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-rw-r--r--src/Makefile.am175
-rw-r--r--src/Makefile.in1119
-rw-r--r--src/app_thread.cpp197
-rw-r--r--src/app_thread.hpp88
-rw-r--r--src/array.hpp (renamed from src/yarray.hpp)75
-rw-r--r--src/atomic_counter.hpp11
-rw-r--r--src/atomic_ptr.hpp11
-rw-r--r--src/blob.hpp9
-rw-r--r--src/clock.cpp118
-rw-r--r--src/clock.hpp60
-rw-r--r--src/command.cpp9
-rw-r--r--src/command.hpp50
-rw-r--r--src/config.hpp36
-rw-r--r--src/connect_session.cpp119
-rw-r--r--src/connect_session.hpp65
-rw-r--r--src/ctx.cpp340
-rw-r--r--src/ctx.hpp141
-rw-r--r--src/decoder.cpp (renamed from src/zmq_decoder.cpp)67
-rw-r--r--src/decoder.hpp85
-rw-r--r--src/device.cpp (renamed from src/queue.cpp)46
-rw-r--r--src/device.hpp (renamed from src/streamer.hpp)15
-rw-r--r--src/devpoll.cpp86
-rw-r--r--src/devpoll.hpp34
-rw-r--r--src/dist.cpp196
-rw-r--r--src/dist.hpp92
-rw-r--r--src/encoder.cpp (renamed from src/zmq_encoder.cpp)33
-rw-r--r--src/encoder.hpp54
-rw-r--r--src/epoll.cpp70
-rw-r--r--src/epoll.hpp26
-rw-r--r--src/err.cpp50
-rw-r--r--src/err.hpp38
-rw-r--r--src/fd.hpp9
-rw-r--r--src/forwarder.cpp60
-rw-r--r--src/forwarder.hpp31
-rw-r--r--src/fq.cpp75
-rw-r--r--src/fq.hpp38
-rw-r--r--src/i_endpoint.hpp43
-rw-r--r--src/i_engine.hpp26
-rw-r--r--src/i_inout.hpp30
-rw-r--r--src/i_poll_events.hpp35
-rw-r--r--src/io_object.cpp41
-rw-r--r--src/io_object.hpp27
-rw-r--r--src/io_thread.cpp34
-rw-r--r--src/io_thread.hpp31
-rw-r--r--src/ip.cpp29
-rw-r--r--src/ip.hpp11
-rw-r--r--src/kqueue.cpp68
-rw-r--r--src/kqueue.hpp26
-rw-r--r--src/lb.cpp83
-rw-r--r--src/lb.hpp38
-rw-r--r--src/likely.hpp9
-rw-r--r--src/mailbox.cpp382
-rw-r--r--src/mailbox.hpp62
-rw-r--r--src/msg_content.hpp9
-rw-r--r--src/mutex.hpp11
-rw-r--r--src/named_session.cpp85
-rw-r--r--src/named_session.hpp57
-rw-r--r--src/object.cpp203
-rw-r--r--src/object.hpp71
-rw-r--r--src/options.cpp121
-rw-r--r--src/options.hpp27
-rw-r--r--src/own.cpp214
-rw-r--r--src/own.hpp140
-rw-r--r--src/owned.cpp71
-rw-r--r--src/owned.hpp89
-rw-r--r--src/pair.cpp112
-rw-r--r--src/pair.hpp41
-rw-r--r--src/pgm_receiver.cpp68
-rw-r--r--src/pgm_receiver.hpp43
-rw-r--r--src/pgm_sender.cpp77
-rw-r--r--src/pgm_sender.hpp30
-rw-r--r--src/pgm_socket.cpp719
-rw-r--r--src/pgm_socket.hpp29
-rw-r--r--src/pipe.cpp426
-rw-r--r--src/pipe.hpp169
-rw-r--r--src/platform.hpp.in24
-rw-r--r--src/poll.cpp74
-rw-r--r--src/poll.hpp29
-rw-r--r--src/poller.hpp9
-rw-r--r--src/poller_base.cpp99
-rw-r--r--src/poller_base.hpp84
-rw-r--r--src/pub.cpp162
-rw-r--r--src/pub.hpp44
-rw-r--r--src/pull.cpp61
-rw-r--r--src/pull.hpp26
-rw-r--r--src/push.cpp63
-rw-r--r--src/push.hpp26
-rw-r--r--src/queue.hpp31
-rw-r--r--src/reaper.cpp121
-rw-r--r--src/reaper.hpp77
-rw-r--r--src/rep.cpp248
-rw-r--r--src/rep.hpp54
-rw-r--r--src/req.cpp243
-rw-r--r--src/req.hpp59
-rw-r--r--src/select.cpp82
-rw-r--r--src/select.hpp29
-rw-r--r--src/semaphore.hpp189
-rw-r--r--src/session.cpp360
-rw-r--r--src/session.hpp126
-rw-r--r--src/signaler.cpp351
-rw-r--r--src/signaler.hpp71
-rw-r--r--src/socket_base.cpp814
-rw-r--r--src/socket_base.hpp206
-rw-r--r--src/stdint.hpp19
-rw-r--r--src/streamer.cpp60
-rw-r--r--src/sub.cpp182
-rw-r--r--src/sub.hpp53
-rw-r--r--src/swap.cpp (renamed from src/msg_store.cpp)70
-rw-r--r--src/swap.hpp (renamed from src/msg_store.hpp)47
-rw-r--r--src/tcp_connecter.cpp9
-rw-r--r--src/tcp_connecter.hpp11
-rw-r--r--src/tcp_listener.cpp48
-rw-r--r--src/tcp_listener.hpp17
-rw-r--r--src/tcp_socket.cpp9
-rw-r--r--src/tcp_socket.hpp11
-rw-r--r--src/thread.cpp83
-rw-r--r--src/thread.hpp28
-rw-r--r--src/transient_session.cpp41
-rw-r--r--src/transient_session.hpp52
-rw-r--r--src/trie.cpp (renamed from src/prefix_tree.cpp)51
-rw-r--r--src/trie.hpp (renamed from src/prefix_tree.hpp)26
-rw-r--r--src/uuid.cpp16
-rw-r--r--src/uuid.hpp9
-rw-r--r--src/windows.hpp9
-rw-r--r--src/wire.hpp9
-rw-r--r--src/xpub.cpp76
-rw-r--r--src/xpub.hpp61
-rw-r--r--src/xrep.cpp168
-rw-r--r--src/xrep.hpp42
-rw-r--r--src/xreq.cpp51
-rw-r--r--src/xreq.hpp25
-rw-r--r--src/xsub.cpp172
-rw-r--r--src/xsub.hpp80
-rw-r--r--src/yarray_item.hpp64
-rw-r--r--src/ypipe.hpp11
-rw-r--r--src/yqueue.hpp15
-rw-r--r--src/zmq.cpp708
-rw-r--r--src/zmq_connecter.cpp118
-rw-r--r--src/zmq_connecter.hpp54
-rw-r--r--src/zmq_decoder.hpp59
-rw-r--r--src/zmq_encoder.hpp55
-rw-r--r--src/zmq_engine.cpp119
-rw-r--r--src/zmq_engine.hpp37
-rw-r--r--src/zmq_init.cpp185
-rw-r--r--src/zmq_init.hpp52
-rw-r--r--src/zmq_listener.cpp41
-rw-r--r--src/zmq_listener.hpp26
147 files changed, 7887 insertions, 6469 deletions
diff --git a/src/Makefile.am b/src/Makefile.am
index 19a80d0..ce20225 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -5,82 +5,41 @@ pkgconfig_DATA = libzmq.pc
include_HEADERS = ../include/zmq.h ../include/zmq.hpp ../include/zmq_utils.h
-if BUILD_PGM
-pgm_sources = ../foreign/openpgm/@pgm_basename@/openpgm/pgm/packet.c \
- ../foreign/openpgm/@pgm_basename@/openpgm/pgm/time.c \
- ../foreign/openpgm/@pgm_basename@/openpgm/pgm/if.c \
- ../foreign/openpgm/@pgm_basename@/openpgm/pgm/getifaddrs.c \
- ../foreign/openpgm/@pgm_basename@/openpgm/pgm/getnodeaddr.c \
- ../foreign/openpgm/@pgm_basename@/openpgm/pgm/indextoaddr.c \
- ../foreign/openpgm/@pgm_basename@/openpgm/pgm/indextoname.c \
- ../foreign/openpgm/@pgm_basename@/openpgm/pgm/nametoindex.c \
- ../foreign/openpgm/@pgm_basename@/openpgm/pgm/inet_network.c \
- ../foreign/openpgm/@pgm_basename@/openpgm/pgm/md5.c \
- ../foreign/openpgm/@pgm_basename@/openpgm/pgm/gsi.c \
- ../foreign/openpgm/@pgm_basename@/openpgm/pgm/tsi.c \
- ../foreign/openpgm/@pgm_basename@/openpgm/pgm/signal.c \
- ../foreign/openpgm/@pgm_basename@/openpgm/pgm/txwi.c \
- ../foreign/openpgm/@pgm_basename@/openpgm/pgm/rxwi.c \
- ../foreign/openpgm/@pgm_basename@/openpgm/pgm/transport.c \
- ../foreign/openpgm/@pgm_basename@/openpgm/pgm/source.c \
- ../foreign/openpgm/@pgm_basename@/openpgm/pgm/receiver.c \
- ../foreign/openpgm/@pgm_basename@/openpgm/pgm/recv.c \
- ../foreign/openpgm/@pgm_basename@/openpgm/pgm/pgm.c \
- ../foreign/openpgm/@pgm_basename@/openpgm/pgm/timer.c \
- ../foreign/openpgm/@pgm_basename@/openpgm/pgm/net.c \
- ../foreign/openpgm/@pgm_basename@/openpgm/pgm/rate_control.c \
- ../foreign/openpgm/@pgm_basename@/openpgm/pgm/async.c \
- ../foreign/openpgm/@pgm_basename@/openpgm/pgm/checksum.c \
- ../foreign/openpgm/@pgm_basename@/openpgm/pgm/reed_solomon.c \
- ../foreign/openpgm/@pgm_basename@/openpgm/pgm/galois_tables.c \
- ../foreign/openpgm/@pgm_basename@/openpgm/pgm/wsastrerror.c \
- ../foreign/openpgm/@pgm_basename@/openpgm/pgm/glib-compat.c \
- ../foreign/openpgm/@pgm_basename@/openpgm/pgm/backtrace.c \
- ../foreign/openpgm/@pgm_basename@/openpgm/pgm/log.c \
- ../foreign/openpgm/@pgm_basename@/openpgm/pgm/sockaddr.c \
- ../foreign/openpgm/@pgm_basename@/openpgm/pgm/version.c
-
-../foreign/openpgm/@pgm_basename@/openpgm/pgm/version.c: ../foreign/openpgm/@pgm_basename@/openpgm/pgm/version_generator.py
- python ../foreign/openpgm/@pgm_basename@/openpgm/pgm/version_generator.py > $@
-
-../foreign/openpgm/@pgm_basename@/openpgm/pgm/galois_tables.c: ../foreign/openpgm/@pgm_basename@/openpgm/pgm/galois_generator.pl
- perl ../foreign/openpgm/@pgm_basename@/openpgm/pgm/galois_generator.pl > $@
-endif
-
-nodist_libzmq_la_SOURCES = $(pgm_sources)
-
-libzmq_la_SOURCES = app_thread.hpp \
+libzmq_la_SOURCES = \
+ array.hpp \
atomic_counter.hpp \
atomic_ptr.hpp \
blob.hpp \
+ clock.hpp \
command.hpp \
config.hpp \
+ connect_session.hpp \
ctx.hpp \
decoder.hpp \
+ device.hpp \
devpoll.hpp \
- push.hpp \
+ dist.hpp \
encoder.hpp \
epoll.hpp \
err.hpp \
fd.hpp \
- forwarder.hpp \
fq.hpp \
i_inout.hpp \
io_object.hpp \
io_thread.hpp \
ip.hpp \
- i_endpoint.hpp \
i_engine.hpp \
i_poll_events.hpp \
kqueue.hpp \
lb.hpp \
likely.hpp \
+ mailbox.hpp \
msg_content.hpp \
- msg_store.hpp \
mutex.hpp \
+ named_session.hpp \
object.hpp \
options.hpp \
- owned.hpp \
+ own.hpp \
pgm_receiver.hpp \
pgm_sender.hpp \
pgm_socket.hpp \
@@ -88,86 +47,93 @@ libzmq_la_SOURCES = app_thread.hpp \
platform.hpp \
poll.hpp \
poller.hpp \
+ poller_base.hpp \
pair.hpp \
- prefix_tree.hpp \
pub.hpp \
- queue.hpp \
+ pull.hpp \
+ push.hpp \
+ reaper.hpp \
rep.hpp \
req.hpp \
select.hpp \
+ semaphore.hpp \
session.hpp \
- signaler.hpp \
socket_base.hpp \
stdint.hpp \
- streamer.hpp \
sub.hpp \
+ swap.hpp \
tcp_connecter.hpp \
tcp_listener.hpp \
tcp_socket.hpp \
thread.hpp \
- pull.hpp \
+ transient_session.hpp \
+ trie.hpp \
uuid.hpp \
windows.hpp \
wire.hpp \
+ xpub.hpp \
xrep.hpp \
xreq.hpp \
- yarray.hpp \
- yarray_item.hpp \
+ xsub.hpp \
ypipe.hpp \
yqueue.hpp \
zmq_connecter.hpp \
- zmq_decoder.hpp \
- zmq_encoder.hpp \
zmq_engine.hpp \
zmq_init.hpp \
zmq_listener.hpp \
- app_thread.cpp \
+ clock.cpp \
command.cpp \
ctx.cpp \
+ connect_session.cpp \
+ decoder.cpp \
+ device.cpp \
devpoll.cpp \
- push.cpp \
+ dist.cpp \
+ encoder.cpp \
epoll.cpp \
err.cpp \
- forwarder.cpp \
fq.cpp \
io_object.cpp \
io_thread.cpp \
ip.cpp \
kqueue.cpp \
lb.cpp \
- msg_store.cpp \
+ mailbox.cpp \
+ named_session.cpp \
object.cpp \
options.cpp \
- owned.cpp \
+ own.cpp \
+ pair.cpp \
pgm_receiver.cpp \
pgm_sender.cpp \
pgm_socket.cpp \
- pair.cpp \
- prefix_tree.cpp \
pipe.cpp \
poll.cpp \
+ poller_base.cpp \
+ pull.cpp \
+ push.cpp \
+ reaper.cpp \
pub.cpp \
- queue.cpp \
rep.cpp \
req.cpp \
select.cpp \
session.cpp \
- signaler.cpp \
socket_base.cpp \
- streamer.cpp \
sub.cpp \
+ swap.cpp \
tcp_connecter.cpp \
tcp_listener.cpp \
tcp_socket.cpp \
thread.cpp \
- pull.cpp \
+ transient_session.cpp \
+ trie.cpp \
uuid.cpp \
+ xpub.cpp \
xrep.cpp \
xreq.cpp \
+ xsub.cpp \
zmq.cpp \
zmq_connecter.cpp \
- zmq_decoder.cpp \
- zmq_encoder.cpp \
zmq_engine.cpp \
zmq_init.cpp \
zmq_listener.cpp
@@ -178,69 +144,12 @@ else
libzmq_la_LDFLAGS = -version-info @LTVER@ @LIBZMQ_EXTRA_LDFLAGS@
endif
-if BUILD_PGM
-
-if ON_MINGW
-libpgm_diff_flags = \
- -D_WIN32_WINNT=0x0501 \
- -DCONFIG_16BIT_CHECKSUM \
- -DCONFIG_HAVE_IFR_NETMASK \
- -DCONFIG_BIND_INADDR_ANY \
- -DCONFIG_GALOIS_MUL_LUT \
- -DIF_NAMESIZE=256 \
- -DPGM_GNUC_INTERNAL=G_GNUC_INTERNAL \
- -DCONFIG_HAVE_WSACMSGHDR \
- -DGETTEXT_PACKAGE='"pgm"' \
- -DG_LOG_DOMAIN='"Pgm"'
-
-else
-libpgm_diff_flags = \
- -D__need_IOV_MAX \
- -DCONFIG_16BIT_CHECKSUM \
- -DCONFIG_HAVE_PSELECT \
- -DCONFIG_HAVE_POLL \
- -DCONFIG_HAVE_PPOLL \
- -DCONFIG_HAVE_EPOLL \
- -DCONFIG_HAVE_CLOCK_GETTIME \
- -DCONFIG_HAVE_CLOCK_NANOSLEEP \
- -DCONFIG_HAVE_NANOSLEEP \
- -DCONFIG_HAVE_USLEEP \
- -DCONFIG_HAVE_RTC \
- -DCONFIG_HAVE_TSC \
- -DCONFIG_HAVE_IFR_NETMASK \
- -DCONFIG_HAVE_GETIFADDRS \
- -DCONFIG_HAVE_GETHOSTBYNAME2 \
- -DCONFIG_HAVE_GETPROTOBYNAME_R \
- -DCONFIG_BIND_INADDR_ANY \
- -DCONFIG_GALOIS_MUL_LUT \
- -DCONFIG_HAVE_MCAST_JOIN \
- -DCONFIG_HAVE_IP_MREQN \
- -DCONFIG_HAVE_SPRINTF_GROUPING \
- -DCONFIG_HAVE_HPET \
- -DPGM_GNUC_INTERNAL=G_GNUC_INTERNAL \
- -DGETTEXT_PACKAGE='"pgm"' \
- -DG_LOG_DOMAIN='"Pgm"'
-endif
-
-libzmq_la_CFLAGS = -I$(top_srcdir)/foreign/openpgm/@pgm_basename@/openpgm/pgm/include/ @LIBZMQ_EXTRA_CXXFLAGS@ \
- -Wall \
- -pedantic \
- -std=gnu99 \
- -fno-strict-aliasing \
- --param max-inline-insns-single=600 \
- -D_REENTRANT \
- -D_GNU_SOURCE \
- ${libpgm_diff_flags}
-
-libzmq_la_CXXFLAGS = -I$(top_srcdir)/foreign/openpgm/@pgm_basename@/openpgm/pgm/include/ \
- @LIBZMQ_EXTRA_CXXFLAGS@
-endif
-
-if BUILD_NO_PGM
libzmq_la_CXXFLAGS = @LIBZMQ_EXTRA_CXXFLAGS@
+
+if BUILD_PGM
+libzmq_la_CPPFLAGS = -I$(top_srcdir)/@pgm_srcdir@/include/
+libzmq_la_LIBADD = $(top_srcdir)/@pgm_srcdir@/libpgm_noinst.la
endif
dist-hook:
-rm $(distdir)/platform.hpp
-
-
diff --git a/src/Makefile.in b/src/Makefile.in
index 943e178..4202973 100644
--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -45,7 +45,8 @@ am__aclocal_m4_deps = $(top_srcdir)/config/libtool.m4 \
$(top_srcdir)/config/ltoptions.m4 \
$(top_srcdir)/config/ltsugar.m4 \
$(top_srcdir)/config/ltversion.m4 \
- $(top_srcdir)/config/lt~obsolete.m4 $(top_srcdir)/configure.in
+ $(top_srcdir)/config/lt~obsolete.m4 $(top_srcdir)/acinclude.m4 \
+ $(top_srcdir)/configure.in
am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
$(ACLOCAL_M4)
mkinstalldirs = $(install_sh) -d
@@ -76,78 +77,80 @@ am__base_list = \
am__installdirs = "$(DESTDIR)$(libdir)" "$(DESTDIR)$(pkgconfigdir)" \
"$(DESTDIR)$(includedir)"
LTLIBRARIES = $(lib_LTLIBRARIES)
-libzmq_la_LIBADD =
-am_libzmq_la_OBJECTS = libzmq_la-app_thread.lo libzmq_la-command.lo \
- libzmq_la-ctx.lo libzmq_la-devpoll.lo libzmq_la-push.lo \
- libzmq_la-epoll.lo libzmq_la-err.lo libzmq_la-forwarder.lo \
- libzmq_la-fq.lo libzmq_la-io_object.lo libzmq_la-io_thread.lo \
- libzmq_la-ip.lo libzmq_la-kqueue.lo libzmq_la-lb.lo \
- libzmq_la-msg_store.lo libzmq_la-object.lo \
- libzmq_la-options.lo libzmq_la-owned.lo \
+@BUILD_PGM_TRUE@libzmq_la_DEPENDENCIES = \
+@BUILD_PGM_TRUE@ $(top_srcdir)/@pgm_srcdir@/libpgm_noinst.la
+am_libzmq_la_OBJECTS = libzmq_la-clock.lo libzmq_la-command.lo \
+ libzmq_la-ctx.lo libzmq_la-connect_session.lo \
+ libzmq_la-decoder.lo libzmq_la-device.lo libzmq_la-devpoll.lo \
+ libzmq_la-dist.lo libzmq_la-encoder.lo libzmq_la-epoll.lo \
+ libzmq_la-err.lo libzmq_la-fq.lo libzmq_la-io_object.lo \
+ libzmq_la-io_thread.lo libzmq_la-ip.lo libzmq_la-kqueue.lo \
+ libzmq_la-lb.lo libzmq_la-mailbox.lo \
+ libzmq_la-named_session.lo libzmq_la-object.lo \
+ libzmq_la-options.lo libzmq_la-own.lo libzmq_la-pair.lo \
libzmq_la-pgm_receiver.lo libzmq_la-pgm_sender.lo \
- libzmq_la-pgm_socket.lo libzmq_la-pair.lo \
- libzmq_la-prefix_tree.lo libzmq_la-pipe.lo libzmq_la-poll.lo \
- libzmq_la-pub.lo libzmq_la-queue.lo libzmq_la-rep.lo \
+ libzmq_la-pgm_socket.lo libzmq_la-pipe.lo libzmq_la-poll.lo \
+ libzmq_la-poller_base.lo libzmq_la-pull.lo libzmq_la-push.lo \
+ libzmq_la-reaper.lo libzmq_la-pub.lo libzmq_la-rep.lo \
libzmq_la-req.lo libzmq_la-select.lo libzmq_la-session.lo \
- libzmq_la-signaler.lo libzmq_la-socket_base.lo \
- libzmq_la-streamer.lo libzmq_la-sub.lo \
+ libzmq_la-socket_base.lo libzmq_la-sub.lo libzmq_la-swap.lo \
libzmq_la-tcp_connecter.lo libzmq_la-tcp_listener.lo \
- libzmq_la-tcp_socket.lo libzmq_la-thread.lo libzmq_la-pull.lo \
- libzmq_la-uuid.lo libzmq_la-xrep.lo libzmq_la-xreq.lo \
- libzmq_la-zmq.lo libzmq_la-zmq_connecter.lo \
- libzmq_la-zmq_decoder.lo libzmq_la-zmq_encoder.lo \
- libzmq_la-zmq_engine.lo libzmq_la-zmq_init.lo \
- libzmq_la-zmq_listener.lo
-@BUILD_PGM_TRUE@am__objects_1 = libzmq_la-packet.lo libzmq_la-time.lo \
-@BUILD_PGM_TRUE@ libzmq_la-if.lo libzmq_la-getifaddrs.lo \
-@BUILD_PGM_TRUE@ libzmq_la-getnodeaddr.lo \
-@BUILD_PGM_TRUE@ libzmq_la-indextoaddr.lo \
-@BUILD_PGM_TRUE@ libzmq_la-indextoname.lo \
-@BUILD_PGM_TRUE@ libzmq_la-nametoindex.lo \
-@BUILD_PGM_TRUE@ libzmq_la-inet_network.lo libzmq_la-md5.lo \
-@BUILD_PGM_TRUE@ libzmq_la-gsi.lo libzmq_la-tsi.lo \
-@BUILD_PGM_TRUE@ libzmq_la-signal.lo libzmq_la-txwi.lo \
-@BUILD_PGM_TRUE@ libzmq_la-rxwi.lo libzmq_la-transport.lo \
-@BUILD_PGM_TRUE@ libzmq_la-source.lo libzmq_la-receiver.lo \
-@BUILD_PGM_TRUE@ libzmq_la-recv.lo libzmq_la-pgm.lo \
-@BUILD_PGM_TRUE@ libzmq_la-timer.lo libzmq_la-net.lo \
-@BUILD_PGM_TRUE@ libzmq_la-rate_control.lo libzmq_la-async.lo \
-@BUILD_PGM_TRUE@ libzmq_la-checksum.lo \
-@BUILD_PGM_TRUE@ libzmq_la-reed_solomon.lo \
-@BUILD_PGM_TRUE@ libzmq_la-galois_tables.lo \
-@BUILD_PGM_TRUE@ libzmq_la-wsastrerror.lo \
-@BUILD_PGM_TRUE@ libzmq_la-glib-compat.lo \
-@BUILD_PGM_TRUE@ libzmq_la-backtrace.lo libzmq_la-log.lo \
-@BUILD_PGM_TRUE@ libzmq_la-sockaddr.lo libzmq_la-version.lo
-nodist_libzmq_la_OBJECTS = $(am__objects_1)
-libzmq_la_OBJECTS = $(am_libzmq_la_OBJECTS) \
- $(nodist_libzmq_la_OBJECTS)
-libzmq_la_LINK = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) \
+ libzmq_la-tcp_socket.lo libzmq_la-thread.lo \
+ libzmq_la-transient_session.lo libzmq_la-trie.lo \
+ libzmq_la-uuid.lo libzmq_la-xpub.lo libzmq_la-xrep.lo \
+ libzmq_la-xreq.lo libzmq_la-xsub.lo libzmq_la-zmq.lo \
+ libzmq_la-zmq_connecter.lo libzmq_la-zmq_engine.lo \
+ libzmq_la-zmq_init.lo libzmq_la-zmq_listener.lo
+libzmq_la_OBJECTS = $(am_libzmq_la_OBJECTS)
+AM_V_lt = $(am__v_lt_$(V))
+am__v_lt_ = $(am__v_lt_$(AM_DEFAULT_VERBOSITY))
+am__v_lt_0 = --silent
+libzmq_la_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CXX $(AM_LIBTOOLFLAGS) \
$(LIBTOOLFLAGS) --mode=link $(CXXLD) $(libzmq_la_CXXFLAGS) \
$(CXXFLAGS) $(libzmq_la_LDFLAGS) $(LDFLAGS) -o $@
DEFAULT_INCLUDES = -I.@am__isrc@
depcomp = $(SHELL) $(top_srcdir)/config/depcomp
am__depfiles_maybe = depfiles
am__mv = mv -f
-COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
- $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
-LTCOMPILE = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
- --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \
- $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
-CCLD = $(CC)
-LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
- --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) \
- $(LDFLAGS) -o $@
CXXCOMPILE = $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \
$(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS)
-LTCXXCOMPILE = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
- --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \
- $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS)
+LTCXXCOMPILE = $(LIBTOOL) $(AM_V_lt) --tag=CXX $(AM_LIBTOOLFLAGS) \
+ $(LIBTOOLFLAGS) --mode=compile $(CXX) $(DEFS) \
+ $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) \
+ $(AM_CXXFLAGS) $(CXXFLAGS)
+AM_V_CXX = $(am__v_CXX_$(V))
+am__v_CXX_ = $(am__v_CXX_$(AM_DEFAULT_VERBOSITY))
+am__v_CXX_0 = @echo " CXX " $@;
+AM_V_at = $(am__v_at_$(V))
+am__v_at_ = $(am__v_at_$(AM_DEFAULT_VERBOSITY))
+am__v_at_0 = @
CXXLD = $(CXX)
-CXXLINK = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
- --mode=link $(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) $(AM_LDFLAGS) \
- $(LDFLAGS) -o $@
-SOURCES = $(libzmq_la_SOURCES) $(nodist_libzmq_la_SOURCES)
+CXXLINK = $(LIBTOOL) $(AM_V_lt) --tag=CXX $(AM_LIBTOOLFLAGS) \
+ $(LIBTOOLFLAGS) --mode=link $(CXXLD) $(AM_CXXFLAGS) \
+ $(CXXFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@
+AM_V_CXXLD = $(am__v_CXXLD_$(V))
+am__v_CXXLD_ = $(am__v_CXXLD_$(AM_DEFAULT_VERBOSITY))
+am__v_CXXLD_0 = @echo " CXXLD " $@;
+COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
+ $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+LTCOMPILE = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+ $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) \
+ $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) \
+ $(AM_CFLAGS) $(CFLAGS)
+AM_V_CC = $(am__v_CC_$(V))
+am__v_CC_ = $(am__v_CC_$(AM_DEFAULT_VERBOSITY))
+am__v_CC_0 = @echo " CC " $@;
+CCLD = $(CC)
+LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+ $(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
+ $(AM_LDFLAGS) $(LDFLAGS) -o $@
+AM_V_CCLD = $(am__v_CCLD_$(V))
+am__v_CCLD_ = $(am__v_CCLD_$(AM_DEFAULT_VERBOSITY))
+am__v_CCLD_0 = @echo " CCLD " $@;
+AM_V_GEN = $(am__v_GEN_$(V))
+am__v_GEN_ = $(am__v_GEN_$(AM_DEFAULT_VERBOSITY))
+am__v_GEN_0 = @echo " GEN " $@;
+SOURCES = $(libzmq_la_SOURCES)
DIST_SOURCES = $(libzmq_la_SOURCES)
DATA = $(pkgconfig_DATA)
HEADERS = $(include_HEADERS)
@@ -156,8 +159,10 @@ CTAGS = ctags
DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
ACLOCAL = @ACLOCAL@
AMTAR = @AMTAR@
+AM_DEFAULT_VERBOSITY = @AM_DEFAULT_VERBOSITY@
AR = @AR@
AS = @AS@
+ASCIIDOC = @ASCIIDOC@
AUTOCONF = @AUTOCONF@
AUTOHEADER = @AUTOHEADER@
AUTOMAKE = @AUTOMAKE@
@@ -183,8 +188,6 @@ ECHO_T = @ECHO_T@
EGREP = @EGREP@
EXEEXT = @EXEEXT@
FGREP = @FGREP@
-GLIB_CFLAGS = @GLIB_CFLAGS@
-GLIB_LIBS = @GLIB_LIBS@
GREP = @GREP@
INSTALL = @INSTALL@
INSTALL_DATA = @INSTALL_DATA@
@@ -196,6 +199,7 @@ LDFLAGS = @LDFLAGS@
LIBOBJS = @LIBOBJS@
LIBS = @LIBS@
LIBTOOL = @LIBTOOL@
+LIBZMQ_EXTRA_CFLAGS = @LIBZMQ_EXTRA_CFLAGS@
LIBZMQ_EXTRA_CXXFLAGS = @LIBZMQ_EXTRA_CXXFLAGS@
LIBZMQ_EXTRA_LDFLAGS = @LIBZMQ_EXTRA_LDFLAGS@
LIPO = @LIPO@
@@ -218,13 +222,13 @@ PACKAGE_TARNAME = @PACKAGE_TARNAME@
PACKAGE_URL = @PACKAGE_URL@
PACKAGE_VERSION = @PACKAGE_VERSION@
PATH_SEPARATOR = @PATH_SEPARATOR@
-PKG_CONFIG = @PKG_CONFIG@
RANLIB = @RANLIB@
SED = @SED@
SET_MAKE = @SET_MAKE@
SHELL = @SHELL@
STRIP = @STRIP@
VERSION = @VERSION@
+XMLTO = @XMLTO@
abs_builddir = @abs_builddir@
abs_srcdir = @abs_srcdir@
abs_top_builddir = @abs_top_builddir@
@@ -232,6 +236,8 @@ abs_top_srcdir = @abs_top_srcdir@
ac_ct_CC = @ac_ct_CC@
ac_ct_CXX = @ac_ct_CXX@
ac_ct_DUMPBIN = @ac_ct_DUMPBIN@
+ac_zmq_have_asciidoc = @ac_zmq_have_asciidoc@
+ac_zmq_have_xmlto = @ac_zmq_have_xmlto@
am__include = @am__include@
am__leading_dot = @am__leading_dot@
am__quote = @am__quote@
@@ -249,12 +255,6 @@ datarootdir = @datarootdir@
docdir = @docdir@
dvidir = @dvidir@
exec_prefix = @exec_prefix@
-have_asciidoc = @have_asciidoc@
-have_gzip = @have_gzip@
-have_perl = @have_perl@
-have_pkg_config = @have_pkg_config@
-have_python = @have_python@
-have_xmlto = @have_xmlto@
host = @host@
host_alias = @host_alias@
host_cpu = @host_cpu@
@@ -264,7 +264,6 @@ htmldir = @htmldir@
includedir = @includedir@
infodir = @infodir@
install_sh = @install_sh@
-inttypes = @inttypes@
libdir = @libdir@
libexecdir = @libexecdir@
localedir = @localedir@
@@ -275,13 +274,14 @@ mkdir_p = @mkdir_p@
oldincludedir = @oldincludedir@
pdfdir = @pdfdir@
pgm_basename = @pgm_basename@
+pgm_srcdir = @pgm_srcdir@
prefix = @prefix@
program_transform_name = @program_transform_name@
psdir = @psdir@
sbindir = @sbindir@
sharedstatedir = @sharedstatedir@
srcdir = @srcdir@
-stdint = @stdint@
+subdirs = @subdirs@
sysconfdir = @sysconfdir@
target_alias = @target_alias@
top_build_prefix = @top_build_prefix@
@@ -291,73 +291,41 @@ lib_LTLIBRARIES = libzmq.la
pkgconfigdir = $(libdir)/pkgconfig
pkgconfig_DATA = libzmq.pc
include_HEADERS = ../include/zmq.h ../include/zmq.hpp ../include/zmq_utils.h
-@BUILD_PGM_TRUE@pgm_sources = ../foreign/openpgm/@pgm_basename@/openpgm/pgm/packet.c \
-@BUILD_PGM_TRUE@ ../foreign/openpgm/@pgm_basename@/openpgm/pgm/time.c \
-@BUILD_PGM_TRUE@ ../foreign/openpgm/@pgm_basename@/openpgm/pgm/if.c \
-@BUILD_PGM_TRUE@ ../foreign/openpgm/@pgm_basename@/openpgm/pgm/getifaddrs.c \
-@BUILD_PGM_TRUE@ ../foreign/openpgm/@pgm_basename@/openpgm/pgm/getnodeaddr.c \
-@BUILD_PGM_TRUE@ ../foreign/openpgm/@pgm_basename@/openpgm/pgm/indextoaddr.c \
-@BUILD_PGM_TRUE@ ../foreign/openpgm/@pgm_basename@/openpgm/pgm/indextoname.c \
-@BUILD_PGM_TRUE@ ../foreign/openpgm/@pgm_basename@/openpgm/pgm/nametoindex.c \
-@BUILD_PGM_TRUE@ ../foreign/openpgm/@pgm_basename@/openpgm/pgm/inet_network.c \
-@BUILD_PGM_TRUE@ ../foreign/openpgm/@pgm_basename@/openpgm/pgm/md5.c \
-@BUILD_PGM_TRUE@ ../foreign/openpgm/@pgm_basename@/openpgm/pgm/gsi.c \
-@BUILD_PGM_TRUE@ ../foreign/openpgm/@pgm_basename@/openpgm/pgm/tsi.c \
-@BUILD_PGM_TRUE@ ../foreign/openpgm/@pgm_basename@/openpgm/pgm/signal.c \
-@BUILD_PGM_TRUE@ ../foreign/openpgm/@pgm_basename@/openpgm/pgm/txwi.c \
-@BUILD_PGM_TRUE@ ../foreign/openpgm/@pgm_basename@/openpgm/pgm/rxwi.c \
-@BUILD_PGM_TRUE@ ../foreign/openpgm/@pgm_basename@/openpgm/pgm/transport.c \
-@BUILD_PGM_TRUE@ ../foreign/openpgm/@pgm_basename@/openpgm/pgm/source.c \
-@BUILD_PGM_TRUE@ ../foreign/openpgm/@pgm_basename@/openpgm/pgm/receiver.c \
-@BUILD_PGM_TRUE@ ../foreign/openpgm/@pgm_basename@/openpgm/pgm/recv.c \
-@BUILD_PGM_TRUE@ ../foreign/openpgm/@pgm_basename@/openpgm/pgm/pgm.c \
-@BUILD_PGM_TRUE@ ../foreign/openpgm/@pgm_basename@/openpgm/pgm/timer.c \
-@BUILD_PGM_TRUE@ ../foreign/openpgm/@pgm_basename@/openpgm/pgm/net.c \
-@BUILD_PGM_TRUE@ ../foreign/openpgm/@pgm_basename@/openpgm/pgm/rate_control.c \
-@BUILD_PGM_TRUE@ ../foreign/openpgm/@pgm_basename@/openpgm/pgm/async.c \
-@BUILD_PGM_TRUE@ ../foreign/openpgm/@pgm_basename@/openpgm/pgm/checksum.c \
-@BUILD_PGM_TRUE@ ../foreign/openpgm/@pgm_basename@/openpgm/pgm/reed_solomon.c \
-@BUILD_PGM_TRUE@ ../foreign/openpgm/@pgm_basename@/openpgm/pgm/galois_tables.c \
-@BUILD_PGM_TRUE@ ../foreign/openpgm/@pgm_basename@/openpgm/pgm/wsastrerror.c \
-@BUILD_PGM_TRUE@ ../foreign/openpgm/@pgm_basename@/openpgm/pgm/glib-compat.c \
-@BUILD_PGM_TRUE@ ../foreign/openpgm/@pgm_basename@/openpgm/pgm/backtrace.c \
-@BUILD_PGM_TRUE@ ../foreign/openpgm/@pgm_basename@/openpgm/pgm/log.c \
-@BUILD_PGM_TRUE@ ../foreign/openpgm/@pgm_basename@/openpgm/pgm/sockaddr.c \
-@BUILD_PGM_TRUE@ ../foreign/openpgm/@pgm_basename@/openpgm/pgm/version.c
-
-nodist_libzmq_la_SOURCES = $(pgm_sources)
-libzmq_la_SOURCES = app_thread.hpp \
+libzmq_la_SOURCES = \
+ array.hpp \
atomic_counter.hpp \
atomic_ptr.hpp \
blob.hpp \
+ clock.hpp \
command.hpp \
config.hpp \
+ connect_session.hpp \
ctx.hpp \
decoder.hpp \
+ device.hpp \
devpoll.hpp \
- push.hpp \
+ dist.hpp \
encoder.hpp \
epoll.hpp \
err.hpp \
fd.hpp \
- forwarder.hpp \
fq.hpp \
i_inout.hpp \
io_object.hpp \
io_thread.hpp \
ip.hpp \
- i_endpoint.hpp \
i_engine.hpp \
i_poll_events.hpp \
kqueue.hpp \
lb.hpp \
likely.hpp \
+ mailbox.hpp \
msg_content.hpp \
- msg_store.hpp \
mutex.hpp \
+ named_session.hpp \
object.hpp \
options.hpp \
- owned.hpp \
+ own.hpp \
pgm_receiver.hpp \
pgm_sender.hpp \
pgm_socket.hpp \
@@ -365,150 +333,107 @@ libzmq_la_SOURCES = app_thread.hpp \
platform.hpp \
poll.hpp \
poller.hpp \
+ poller_base.hpp \
pair.hpp \
- prefix_tree.hpp \
pub.hpp \
- queue.hpp \
+ pull.hpp \
+ push.hpp \
+ reaper.hpp \
rep.hpp \
req.hpp \
select.hpp \
+ semaphore.hpp \
session.hpp \
- signaler.hpp \
socket_base.hpp \
stdint.hpp \
- streamer.hpp \
sub.hpp \
+ swap.hpp \
tcp_connecter.hpp \
tcp_listener.hpp \
tcp_socket.hpp \
thread.hpp \
- pull.hpp \
+ transient_session.hpp \
+ trie.hpp \
uuid.hpp \
windows.hpp \
wire.hpp \
+ xpub.hpp \
xrep.hpp \
xreq.hpp \
- yarray.hpp \
- yarray_item.hpp \
+ xsub.hpp \
ypipe.hpp \
yqueue.hpp \
zmq_connecter.hpp \
- zmq_decoder.hpp \
- zmq_encoder.hpp \
zmq_engine.hpp \
zmq_init.hpp \
zmq_listener.hpp \
- app_thread.cpp \
+ clock.cpp \
command.cpp \
ctx.cpp \
+ connect_session.cpp \
+ decoder.cpp \
+ device.cpp \
devpoll.cpp \
- push.cpp \
+ dist.cpp \
+ encoder.cpp \
epoll.cpp \
err.cpp \
- forwarder.cpp \
fq.cpp \
io_object.cpp \
io_thread.cpp \
ip.cpp \
kqueue.cpp \
lb.cpp \
- msg_store.cpp \
+ mailbox.cpp \
+ named_session.cpp \
object.cpp \
options.cpp \
- owned.cpp \
+ own.cpp \
+ pair.cpp \
pgm_receiver.cpp \
pgm_sender.cpp \
pgm_socket.cpp \
- pair.cpp \
- prefix_tree.cpp \
pipe.cpp \
poll.cpp \
+ poller_base.cpp \
+ pull.cpp \
+ push.cpp \
+ reaper.cpp \
pub.cpp \
- queue.cpp \
rep.cpp \
req.cpp \
select.cpp \
session.cpp \
- signaler.cpp \
socket_base.cpp \
- streamer.cpp \
sub.cpp \
+ swap.cpp \
tcp_connecter.cpp \
tcp_listener.cpp \
tcp_socket.cpp \
thread.cpp \
- pull.cpp \
+ transient_session.cpp \
+ trie.cpp \
uuid.cpp \
+ xpub.cpp \
xrep.cpp \
xreq.cpp \
+ xsub.cpp \
zmq.cpp \
zmq_connecter.cpp \
- zmq_decoder.cpp \
- zmq_encoder.cpp \
zmq_engine.cpp \
zmq_init.cpp \
zmq_listener.cpp
@ON_MINGW_FALSE@libzmq_la_LDFLAGS = -version-info @LTVER@ @LIBZMQ_EXTRA_LDFLAGS@
@ON_MINGW_TRUE@libzmq_la_LDFLAGS = -no-undefined -avoid-version -version-info @LTVER@ @LIBZMQ_EXTRA_LDFLAGS@
-@BUILD_PGM_TRUE@@ON_MINGW_FALSE@libpgm_diff_flags = \
-@BUILD_PGM_TRUE@@ON_MINGW_FALSE@ -D__need_IOV_MAX \
-@BUILD_PGM_TRUE@@ON_MINGW_FALSE@ -DCONFIG_16BIT_CHECKSUM \
-@BUILD_PGM_TRUE@@ON_MINGW_FALSE@ -DCONFIG_HAVE_PSELECT \
-@BUILD_PGM_TRUE@@ON_MINGW_FALSE@ -DCONFIG_HAVE_POLL \
-@BUILD_PGM_TRUE@@ON_MINGW_FALSE@ -DCONFIG_HAVE_PPOLL \
-@BUILD_PGM_TRUE@@ON_MINGW_FALSE@ -DCONFIG_HAVE_EPOLL \
-@BUILD_PGM_TRUE@@ON_MINGW_FALSE@ -DCONFIG_HAVE_CLOCK_GETTIME \
-@BUILD_PGM_TRUE@@ON_MINGW_FALSE@ -DCONFIG_HAVE_CLOCK_NANOSLEEP \
-@BUILD_PGM_TRUE@@ON_MINGW_FALSE@ -DCONFIG_HAVE_NANOSLEEP \
-@BUILD_PGM_TRUE@@ON_MINGW_FALSE@ -DCONFIG_HAVE_USLEEP \
-@BUILD_PGM_TRUE@@ON_MINGW_FALSE@ -DCONFIG_HAVE_RTC \
-@BUILD_PGM_TRUE@@ON_MINGW_FALSE@ -DCONFIG_HAVE_TSC \
-@BUILD_PGM_TRUE@@ON_MINGW_FALSE@ -DCONFIG_HAVE_IFR_NETMASK \
-@BUILD_PGM_TRUE@@ON_MINGW_FALSE@ -DCONFIG_HAVE_GETIFADDRS \
-@BUILD_PGM_TRUE@@ON_MINGW_FALSE@ -DCONFIG_HAVE_GETHOSTBYNAME2 \
-@BUILD_PGM_TRUE@@ON_MINGW_FALSE@ -DCONFIG_HAVE_GETPROTOBYNAME_R \
-@BUILD_PGM_TRUE@@ON_MINGW_FALSE@ -DCONFIG_BIND_INADDR_ANY \
-@BUILD_PGM_TRUE@@ON_MINGW_FALSE@ -DCONFIG_GALOIS_MUL_LUT \
-@BUILD_PGM_TRUE@@ON_MINGW_FALSE@ -DCONFIG_HAVE_MCAST_JOIN \
-@BUILD_PGM_TRUE@@ON_MINGW_FALSE@ -DCONFIG_HAVE_IP_MREQN \
-@BUILD_PGM_TRUE@@ON_MINGW_FALSE@ -DCONFIG_HAVE_SPRINTF_GROUPING \
-@BUILD_PGM_TRUE@@ON_MINGW_FALSE@ -DCONFIG_HAVE_HPET \
-@BUILD_PGM_TRUE@@ON_MINGW_FALSE@ -DPGM_GNUC_INTERNAL=G_GNUC_INTERNAL \
-@BUILD_PGM_TRUE@@ON_MINGW_FALSE@ -DGETTEXT_PACKAGE='"pgm"' \
-@BUILD_PGM_TRUE@@ON_MINGW_FALSE@ -DG_LOG_DOMAIN='"Pgm"'
-
-@BUILD_PGM_TRUE@@ON_MINGW_TRUE@libpgm_diff_flags = \
-@BUILD_PGM_TRUE@@ON_MINGW_TRUE@ -D_WIN32_WINNT=0x0501 \
-@BUILD_PGM_TRUE@@ON_MINGW_TRUE@ -DCONFIG_16BIT_CHECKSUM \
-@BUILD_PGM_TRUE@@ON_MINGW_TRUE@ -DCONFIG_HAVE_IFR_NETMASK \
-@BUILD_PGM_TRUE@@ON_MINGW_TRUE@ -DCONFIG_BIND_INADDR_ANY \
-@BUILD_PGM_TRUE@@ON_MINGW_TRUE@ -DCONFIG_GALOIS_MUL_LUT \
-@BUILD_PGM_TRUE@@ON_MINGW_TRUE@ -DIF_NAMESIZE=256 \
-@BUILD_PGM_TRUE@@ON_MINGW_TRUE@ -DPGM_GNUC_INTERNAL=G_GNUC_INTERNAL \
-@BUILD_PGM_TRUE@@ON_MINGW_TRUE@ -DCONFIG_HAVE_WSACMSGHDR \
-@BUILD_PGM_TRUE@@ON_MINGW_TRUE@ -DGETTEXT_PACKAGE='"pgm"' \
-@BUILD_PGM_TRUE@@ON_MINGW_TRUE@ -DG_LOG_DOMAIN='"Pgm"'
-
-@BUILD_PGM_TRUE@libzmq_la_CFLAGS = -I$(top_srcdir)/foreign/openpgm/@pgm_basename@/openpgm/pgm/include/ @LIBZMQ_EXTRA_CXXFLAGS@ \
-@BUILD_PGM_TRUE@ -Wall \
-@BUILD_PGM_TRUE@ -pedantic \
-@BUILD_PGM_TRUE@ -std=gnu99 \
-@BUILD_PGM_TRUE@ -fno-strict-aliasing \
-@BUILD_PGM_TRUE@ --param max-inline-insns-single=600 \
-@BUILD_PGM_TRUE@ -D_REENTRANT \
-@BUILD_PGM_TRUE@ -D_GNU_SOURCE \
-@BUILD_PGM_TRUE@ ${libpgm_diff_flags}
-
-@BUILD_NO_PGM_TRUE@libzmq_la_CXXFLAGS = @LIBZMQ_EXTRA_CXXFLAGS@
-@BUILD_PGM_TRUE@libzmq_la_CXXFLAGS = -I$(top_srcdir)/foreign/openpgm/@pgm_basename@/openpgm/pgm/include/ \
-@BUILD_PGM_TRUE@ @LIBZMQ_EXTRA_CXXFLAGS@
-
+libzmq_la_CXXFLAGS = @LIBZMQ_EXTRA_CXXFLAGS@
+@BUILD_PGM_TRUE@libzmq_la_CPPFLAGS = -I$(top_srcdir)/@pgm_srcdir@/include/
+@BUILD_PGM_TRUE@libzmq_la_LIBADD = $(top_srcdir)/@pgm_srcdir@/libpgm_noinst.la
all: platform.hpp
$(MAKE) $(AM_MAKEFLAGS) all-am
.SUFFIXES:
-.SUFFIXES: .c .cpp .lo .o .obj
+.SUFFIXES: .cpp .lo .o .obj
$(srcdir)/Makefile.in: $(srcdir)/Makefile.am $(am__configure_deps)
@for dep in $?; do \
case '$(am__configure_deps)' in \
@@ -590,7 +515,7 @@ clean-libLTLIBRARIES:
rm -f "$${dir}/so_locations"; \
done
libzmq.la: $(libzmq_la_OBJECTS) $(libzmq_la_DEPENDENCIES)
- $(libzmq_la_LINK) -rpath $(libdir) $(libzmq_la_OBJECTS) $(libzmq_la_LIBADD) $(LIBS)
+ $(AM_V_CXXLD)$(libzmq_la_LINK) -rpath $(libdir) $(libzmq_la_OBJECTS) $(libzmq_la_LIBADD) $(LIBS)
mostlyclean-compile:
-rm -f *.$(OBJEXT)
@@ -598,712 +523,534 @@ mostlyclean-compile:
distclean-compile:
-rm -f *.tab.c
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libzmq_la-app_thread.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libzmq_la-async.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libzmq_la-backtrace.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libzmq_la-checksum.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libzmq_la-clock.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libzmq_la-command.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libzmq_la-connect_session.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libzmq_la-ctx.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libzmq_la-decoder.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libzmq_la-device.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libzmq_la-devpoll.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libzmq_la-dist.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libzmq_la-encoder.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libzmq_la-epoll.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libzmq_la-err.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libzmq_la-forwarder.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libzmq_la-fq.Plo@am__quote@
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-@am__fastdepCXX_FALSE@ $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libzmq_la_CXXFLAGS) $(CXXFLAGS) -c -o libzmq_la-zmq_decoder.lo `test -f 'zmq_decoder.cpp' || echo '$(srcdir)/'`zmq_decoder.cpp
-
-libzmq_la-zmq_encoder.lo: zmq_encoder.cpp
-@am__fastdepCXX_TRUE@ $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libzmq_la_CXXFLAGS) $(CXXFLAGS) -MT libzmq_la-zmq_encoder.lo -MD -MP -MF $(DEPDIR)/libzmq_la-zmq_encoder.Tpo -c -o libzmq_la-zmq_encoder.lo `test -f 'zmq_encoder.cpp' || echo '$(srcdir)/'`zmq_encoder.cpp
-@am__fastdepCXX_TRUE@ $(am__mv) $(DEPDIR)/libzmq_la-zmq_encoder.Tpo $(DEPDIR)/libzmq_la-zmq_encoder.Plo
-@AMDEP_TRUE@@am__fastdepCXX_FALSE@ source='zmq_encoder.cpp' object='libzmq_la-zmq_encoder.lo' libtool=yes @AMDEPBACKSLASH@
-@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCXX_FALSE@ $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libzmq_la_CXXFLAGS) $(CXXFLAGS) -c -o libzmq_la-zmq_encoder.lo `test -f 'zmq_encoder.cpp' || echo '$(srcdir)/'`zmq_encoder.cpp
+@am__fastdepCXX_FALSE@ $(LIBTOOL) $(AM_V_lt) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libzmq_la_CPPFLAGS) $(CPPFLAGS) $(libzmq_la_CXXFLAGS) $(CXXFLAGS) -c -o libzmq_la-zmq_connecter.lo `test -f 'zmq_connecter.cpp' || echo '$(srcdir)/'`zmq_connecter.cpp
libzmq_la-zmq_engine.lo: zmq_engine.cpp
-@am__fastdepCXX_TRUE@ $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libzmq_la_CXXFLAGS) $(CXXFLAGS) -MT libzmq_la-zmq_engine.lo -MD -MP -MF $(DEPDIR)/libzmq_la-zmq_engine.Tpo -c -o libzmq_la-zmq_engine.lo `test -f 'zmq_engine.cpp' || echo '$(srcdir)/'`zmq_engine.cpp
-@am__fastdepCXX_TRUE@ $(am__mv) $(DEPDIR)/libzmq_la-zmq_engine.Tpo $(DEPDIR)/libzmq_la-zmq_engine.Plo
+@am__fastdepCXX_TRUE@ $(AM_V_CXX)$(LIBTOOL) $(AM_V_lt) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libzmq_la_CPPFLAGS) $(CPPFLAGS) $(libzmq_la_CXXFLAGS) $(CXXFLAGS) -MT libzmq_la-zmq_engine.lo -MD -MP -MF $(DEPDIR)/libzmq_la-zmq_engine.Tpo -c -o libzmq_la-zmq_engine.lo `test -f 'zmq_engine.cpp' || echo '$(srcdir)/'`zmq_engine.cpp
+@am__fastdepCXX_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/libzmq_la-zmq_engine.Tpo $(DEPDIR)/libzmq_la-zmq_engine.Plo
+@am__fastdepCXX_FALSE@ $(AM_V_CXX) @AM_BACKSLASH@
@AMDEP_TRUE@@am__fastdepCXX_FALSE@ source='zmq_engine.cpp' object='libzmq_la-zmq_engine.lo' libtool=yes @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCXX_FALSE@ $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libzmq_la_CXXFLAGS) $(CXXFLAGS) -c -o libzmq_la-zmq_engine.lo `test -f 'zmq_engine.cpp' || echo '$(srcdir)/'`zmq_engine.cpp
+@am__fastdepCXX_FALSE@ $(LIBTOOL) $(AM_V_lt) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libzmq_la_CPPFLAGS) $(CPPFLAGS) $(libzmq_la_CXXFLAGS) $(CXXFLAGS) -c -o libzmq_la-zmq_engine.lo `test -f 'zmq_engine.cpp' || echo '$(srcdir)/'`zmq_engine.cpp
libzmq_la-zmq_init.lo: zmq_init.cpp
-@am__fastdepCXX_TRUE@ $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libzmq_la_CXXFLAGS) $(CXXFLAGS) -MT libzmq_la-zmq_init.lo -MD -MP -MF $(DEPDIR)/libzmq_la-zmq_init.Tpo -c -o libzmq_la-zmq_init.lo `test -f 'zmq_init.cpp' || echo '$(srcdir)/'`zmq_init.cpp
-@am__fastdepCXX_TRUE@ $(am__mv) $(DEPDIR)/libzmq_la-zmq_init.Tpo $(DEPDIR)/libzmq_la-zmq_init.Plo
+@am__fastdepCXX_TRUE@ $(AM_V_CXX)$(LIBTOOL) $(AM_V_lt) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libzmq_la_CPPFLAGS) $(CPPFLAGS) $(libzmq_la_CXXFLAGS) $(CXXFLAGS) -MT libzmq_la-zmq_init.lo -MD -MP -MF $(DEPDIR)/libzmq_la-zmq_init.Tpo -c -o libzmq_la-zmq_init.lo `test -f 'zmq_init.cpp' || echo '$(srcdir)/'`zmq_init.cpp
+@am__fastdepCXX_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/libzmq_la-zmq_init.Tpo $(DEPDIR)/libzmq_la-zmq_init.Plo
+@am__fastdepCXX_FALSE@ $(AM_V_CXX) @AM_BACKSLASH@
@AMDEP_TRUE@@am__fastdepCXX_FALSE@ source='zmq_init.cpp' object='libzmq_la-zmq_init.lo' libtool=yes @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCXX_FALSE@ $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libzmq_la_CXXFLAGS) $(CXXFLAGS) -c -o libzmq_la-zmq_init.lo `test -f 'zmq_init.cpp' || echo '$(srcdir)/'`zmq_init.cpp
+@am__fastdepCXX_FALSE@ $(LIBTOOL) $(AM_V_lt) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libzmq_la_CPPFLAGS) $(CPPFLAGS) $(libzmq_la_CXXFLAGS) $(CXXFLAGS) -c -o libzmq_la-zmq_init.lo `test -f 'zmq_init.cpp' || echo '$(srcdir)/'`zmq_init.cpp
libzmq_la-zmq_listener.lo: zmq_listener.cpp
-@am__fastdepCXX_TRUE@ $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libzmq_la_CXXFLAGS) $(CXXFLAGS) -MT libzmq_la-zmq_listener.lo -MD -MP -MF $(DEPDIR)/libzmq_la-zmq_listener.Tpo -c -o libzmq_la-zmq_listener.lo `test -f 'zmq_listener.cpp' || echo '$(srcdir)/'`zmq_listener.cpp
-@am__fastdepCXX_TRUE@ $(am__mv) $(DEPDIR)/libzmq_la-zmq_listener.Tpo $(DEPDIR)/libzmq_la-zmq_listener.Plo
+@am__fastdepCXX_TRUE@ $(AM_V_CXX)$(LIBTOOL) $(AM_V_lt) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libzmq_la_CPPFLAGS) $(CPPFLAGS) $(libzmq_la_CXXFLAGS) $(CXXFLAGS) -MT libzmq_la-zmq_listener.lo -MD -MP -MF $(DEPDIR)/libzmq_la-zmq_listener.Tpo -c -o libzmq_la-zmq_listener.lo `test -f 'zmq_listener.cpp' || echo '$(srcdir)/'`zmq_listener.cpp
+@am__fastdepCXX_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/libzmq_la-zmq_listener.Tpo $(DEPDIR)/libzmq_la-zmq_listener.Plo
+@am__fastdepCXX_FALSE@ $(AM_V_CXX) @AM_BACKSLASH@
@AMDEP_TRUE@@am__fastdepCXX_FALSE@ source='zmq_listener.cpp' object='libzmq_la-zmq_listener.lo' libtool=yes @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCXX_FALSE@ $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libzmq_la_CXXFLAGS) $(CXXFLAGS) -c -o libzmq_la-zmq_listener.lo `test -f 'zmq_listener.cpp' || echo '$(srcdir)/'`zmq_listener.cpp
+@am__fastdepCXX_FALSE@ $(LIBTOOL) $(AM_V_lt) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libzmq_la_CPPFLAGS) $(CPPFLAGS) $(libzmq_la_CXXFLAGS) $(CXXFLAGS) -c -o libzmq_la-zmq_listener.lo `test -f 'zmq_listener.cpp' || echo '$(srcdir)/'`zmq_listener.cpp
mostlyclean-libtool:
-rm -f *.lo
@@ -1559,12 +1306,6 @@ uninstall-am: uninstall-includeHEADERS uninstall-libLTLIBRARIES \
uninstall-libLTLIBRARIES uninstall-pkgconfigDATA
-@BUILD_PGM_TRUE@../foreign/openpgm/@pgm_basename@/openpgm/pgm/version.c: ../foreign/openpgm/@pgm_basename@/openpgm/pgm/version_generator.py
-@BUILD_PGM_TRUE@ python ../foreign/openpgm/@pgm_basename@/openpgm/pgm/version_generator.py > $@
-
-@BUILD_PGM_TRUE@../foreign/openpgm/@pgm_basename@/openpgm/pgm/galois_tables.c: ../foreign/openpgm/@pgm_basename@/openpgm/pgm/galois_generator.pl
-@BUILD_PGM_TRUE@ perl ../foreign/openpgm/@pgm_basename@/openpgm/pgm/galois_generator.pl > $@
-
dist-hook:
-rm $(distdir)/platform.hpp
diff --git a/src/app_thread.cpp b/src/app_thread.cpp
deleted file mode 100644
index fc9bc1f..0000000
--- a/src/app_thread.cpp
+++ /dev/null
@@ -1,197 +0,0 @@
-/*
- Copyright (c) 2007-2010 iMatix Corporation
-
- This file is part of 0MQ.
-
- 0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- 0MQ is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
-
- You should have received a copy of the Lesser GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include <new>
-#include <algorithm>
-
-#include "../include/zmq.h"
-
-#include "platform.hpp"
-
-#if defined ZMQ_HAVE_WINDOWS
-#include "windows.hpp"
-#if defined _MSC_VER
-#include <intrin.h>
-#endif
-#else
-#include <unistd.h>
-#endif
-
-#include "app_thread.hpp"
-#include "ctx.hpp"
-#include "err.hpp"
-#include "pipe.hpp"
-#include "config.hpp"
-#include "socket_base.hpp"
-#include "pair.hpp"
-#include "pub.hpp"
-#include "sub.hpp"
-#include "req.hpp"
-#include "rep.hpp"
-#include "xreq.hpp"
-#include "xrep.hpp"
-#include "pull.hpp"
-#include "push.hpp"
-
-// If the RDTSC is available we use it to prevent excessive
-// polling for commands. The nice thing here is that it will work on any
-// system with x86 architecture and gcc or MSVC compiler.
-#if (defined __GNUC__ && (defined __i386__ || defined __x86_64__)) ||\
- (defined _MSC_VER && (defined _M_IX86 || defined _M_X64))
-#define ZMQ_DELAY_COMMANDS
-#endif
-
-zmq::app_thread_t::app_thread_t (ctx_t *ctx_,
- uint32_t thread_slot_) :
- object_t (ctx_, thread_slot_),
- last_processing_time (0),
- terminated (false)
-{
-}
-
-zmq::app_thread_t::~app_thread_t ()
-{
- zmq_assert (sockets.empty ());
-}
-
-void zmq::app_thread_t::stop ()
-{
- send_stop ();
-}
-
-zmq::signaler_t *zmq::app_thread_t::get_signaler ()
-{
- return &signaler;
-}
-
-bool zmq::app_thread_t::process_commands (bool block_, bool throttle_)
-{
- bool received;
- command_t cmd;
- if (block_) {
- received = signaler.recv (&cmd, true);
- zmq_assert (received);
- }
- else {
-
-#if defined ZMQ_DELAY_COMMANDS
- // Optimised version of command processing - it doesn't have to check
- // for incoming commands each time. It does so only if certain time
- // elapsed since last command processing. Command delay varies
- // depending on CPU speed: It's ~1ms on 3GHz CPU, ~2ms on 1.5GHz CPU
- // etc. The optimisation makes sense only on platforms where getting
- // a timestamp is a very cheap operation (tens of nanoseconds).
- if (throttle_) {
-
- // Get timestamp counter.
-#if defined __GNUC__
- uint32_t low;
- uint32_t high;
- __asm__ volatile ("rdtsc" : "=a" (low), "=d" (high));
- uint64_t current_time = (uint64_t) high << 32 | low;
-#elif defined _MSC_VER
- uint64_t current_time = __rdtsc ();
-#else
-#error
-#endif
-
- // Check whether TSC haven't jumped backwards (in case of migration
- // between CPU cores) and whether certain time have elapsed since
- // last command processing. If it didn't do nothing.
- if (current_time >= last_processing_time &&
- current_time - last_processing_time <= max_command_delay)
- return !terminated;
- last_processing_time = current_time;
- }
-#endif
-
- // Check whether there are any commands pending for this thread.
- received = signaler.recv (&cmd, false);
- }
-
- // Process all the commands available at the moment.
- while (received) {
- cmd.destination->process_command (cmd);
- received = signaler.recv (&cmd, false);
- }
-
- return !terminated;
-}
-
-zmq::socket_base_t *zmq::app_thread_t::create_socket (int type_)
-{
- socket_base_t *s = NULL;
- switch (type_) {
- case ZMQ_PAIR:
- s = new (std::nothrow) pair_t (this);
- break;
- case ZMQ_PUB:
- s = new (std::nothrow) pub_t (this);
- break;
- case ZMQ_SUB:
- s = new (std::nothrow) sub_t (this);
- break;
- case ZMQ_REQ:
- s = new (std::nothrow) req_t (this);
- break;
- case ZMQ_REP:
- s = new (std::nothrow) rep_t (this);
- break;
- case ZMQ_XREQ:
- s = new (std::nothrow) xreq_t (this);
- break;
- case ZMQ_XREP:
- s = new (std::nothrow) xrep_t (this);
- break;
- case ZMQ_PULL:
- s = new (std::nothrow) pull_t (this);
- break;
- case ZMQ_PUSH:
- s = new (std::nothrow) push_t (this);
- break;
- default:
- if (sockets.empty ())
- get_ctx ()->no_sockets (this);
- errno = EINVAL;
- return NULL;
- }
- zmq_assert (s);
-
- sockets.push_back (s);
-
- return s;
-}
-
-void zmq::app_thread_t::remove_socket (socket_base_t *socket_)
-{
- sockets.erase (socket_);
- if (sockets.empty ())
- get_ctx ()->no_sockets (this);
-}
-
-void zmq::app_thread_t::process_stop ()
-{
- terminated = true;
-}
-
-bool zmq::app_thread_t::is_terminated ()
-{
- return terminated;
-}
-
diff --git a/src/app_thread.hpp b/src/app_thread.hpp
deleted file mode 100644
index f0deaab..0000000
--- a/src/app_thread.hpp
+++ /dev/null
@@ -1,88 +0,0 @@
-/*
- Copyright (c) 2007-2010 iMatix Corporation
-
- This file is part of 0MQ.
-
- 0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- 0MQ is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
-
- You should have received a copy of the Lesser GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#ifndef __ZMQ_APP_THREAD_HPP_INCLUDED__
-#define __ZMQ_APP_THREAD_HPP_INCLUDED__
-
-#include <vector>
-
-#include "stdint.hpp"
-#include "object.hpp"
-#include "yarray.hpp"
-#include "signaler.hpp"
-
-namespace zmq
-{
-
- class app_thread_t : public object_t
- {
- public:
-
- app_thread_t (class ctx_t *ctx_, uint32_t thread_slot_);
-
- ~app_thread_t ();
-
- // Interrupt blocking call if the app thread is stuck in one.
- // This function is is called from a different thread!
- void stop ();
-
- // Returns signaler associated with this application thread.
- signaler_t *get_signaler ();
-
- // Processes commands sent to this thread (if any). If 'block' is
- // set to true, returns only after at least one command was processed.
- // If throttle argument is true, commands are processed at most once
- // in a predefined time period. The function returns false is the
- // associated context was terminated, true otherwise.
- bool process_commands (bool block_, bool throttle_);
-
- // Create a socket of a specified type.
- class socket_base_t *create_socket (int type_);
-
- // Unregister the socket from the app_thread (called by socket itself).
- void remove_socket (class socket_base_t *socket_);
-
- // Returns true is the associated context was already terminated.
- bool is_terminated ();
-
- private:
-
- // Command handlers.
- void process_stop ();
-
- // All the sockets created from this application thread.
- typedef yarray_t <socket_base_t> sockets_t;
- sockets_t sockets;
-
- // App thread's signaler object.
- signaler_t signaler;
-
- // Timestamp of when commands were processed the last time.
- uint64_t last_processing_time;
-
- // If true, 'stop' command was already received.
- bool terminated;
-
- app_thread_t (const app_thread_t&);
- void operator = (const app_thread_t&);
- };
-
-}
-
-#endif
diff --git a/src/yarray.hpp b/src/array.hpp
index 8c79b99..b9f7f78 100644
--- a/src/yarray.hpp
+++ b/src/array.hpp
@@ -1,24 +1,25 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#ifndef __ZMQ_YARRAY_INCLUDED__
-#define __ZMQ_YARRAY_INCLUDED__
+#ifndef __ZMQ_ARRAY_INCLUDED__
+#define __ZMQ_ARRAY_INCLUDED__
#include <vector>
#include <algorithm>
@@ -26,21 +27,57 @@
namespace zmq
{
+ // Base class for objects stored in the array. Note that each object can
+ // be stored in at most one array.
+
+ class array_item_t
+ {
+ public:
+
+ inline array_item_t () :
+ array_index (-1)
+ {
+ }
+
+ // The destructor doesn't have to be virtual. It is mad virtual
+ // just to keep ICC and code checking tools from complaining.
+ inline virtual ~array_item_t ()
+ {
+ }
+
+ inline void set_array_index (int index_)
+ {
+ array_index = index_;
+ }
+
+ inline int get_array_index ()
+ {
+ return array_index;
+ }
+
+ private:
+
+ int array_index;
+
+ array_item_t (const array_item_t&);
+ const array_item_t &operator = (const array_item_t&);
+ };
+
// Fast array implementation with O(1) access to item, insertion and
- // removal. Yarray stores pointers rather than objects. The objects have
- // to be derived from yarray_item_t class.
+ // removal. Array stores pointers rather than objects. The objects have
+ // to be derived from array_item_t class.
- template <typename T> class yarray_t
+ template <typename T> class array_t
{
public:
typedef typename std::vector <T*>::size_type size_type;
- inline yarray_t ()
+ inline array_t ()
{
}
- inline ~yarray_t ()
+ inline ~array_t ()
{
}
@@ -62,17 +99,17 @@ namespace zmq
inline void push_back (T *item_)
{
if (item_)
- item_->set_yarray_index (items.size ());
+ item_->set_array_index (items.size ());
items.push_back (item_);
}
inline void erase (T *item_) {
- erase (item_->get_yarray_index ());
+ erase (item_->get_array_index ());
}
inline void erase (size_type index_) {
if (items.back ())
- items.back ()->set_yarray_index (index_);
+ items.back ()->set_array_index (index_);
items [index_] = items.back ();
items.pop_back ();
}
@@ -80,9 +117,9 @@ namespace zmq
inline void swap (size_type index1_, size_type index2_)
{
if (items [index1_])
- items [index1_]->set_yarray_index (index2_);
+ items [index1_]->set_array_index (index2_);
if (items [index2_])
- items [index2_]->set_yarray_index (index1_);
+ items [index2_]->set_array_index (index1_);
std::swap (items [index1_], items [index2_]);
}
@@ -93,7 +130,7 @@ namespace zmq
inline size_type index (T *item_)
{
- return (size_type) item_->get_yarray_index ();
+ return (size_type) item_->get_array_index ();
}
private:
@@ -101,8 +138,8 @@ namespace zmq
typedef std::vector <T*> items_t;
items_t items;
- yarray_t (const yarray_t&);
- void operator = (const yarray_t&);
+ array_t (const array_t&);
+ const array_t &operator = (const array_t&);
};
}
diff --git a/src/atomic_counter.hpp b/src/atomic_counter.hpp
index b446627..d7116d8 100644
--- a/src/atomic_counter.hpp
+++ b/src/atomic_counter.hpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -140,7 +141,7 @@ namespace zmq
#endif
atomic_counter_t (const atomic_counter_t&);
- void operator = (const atomic_counter_t&);
+ const atomic_counter_t& operator = (const atomic_counter_t&);
};
}
diff --git a/src/atomic_ptr.hpp b/src/atomic_ptr.hpp
index 54db64f..c106cd5 100644
--- a/src/atomic_ptr.hpp
+++ b/src/atomic_ptr.hpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -135,7 +136,7 @@ namespace zmq
#endif
atomic_ptr_t (const atomic_ptr_t&);
- void operator = (const atomic_ptr_t&);
+ const atomic_ptr_t &operator = (const atomic_ptr_t&);
};
}
diff --git a/src/blob.hpp b/src/blob.hpp
index a4fa8cd..3c54ac3 100644
--- a/src/blob.hpp
+++ b/src/blob.hpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
diff --git a/src/clock.cpp b/src/clock.cpp
new file mode 100644
index 0000000..f98a2f4
--- /dev/null
+++ b/src/clock.cpp
@@ -0,0 +1,118 @@
+/*
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+
+ This file is part of 0MQ.
+
+ 0MQ is free software; you can redistribute it and/or modify it under
+ the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ 0MQ is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "clock.hpp"
+#include "platform.hpp"
+#include "likely.hpp"
+#include "config.hpp"
+#include "err.hpp"
+
+#include <stddef.h>
+
+#if defined _MSC_VER
+#include <intrin.h>
+#endif
+
+#if !defined ZMQ_HAVE_WINDOWS
+#include <sys/time.h>
+#endif
+
+zmq::clock_t::clock_t () :
+ last_tsc (rdtsc ()),
+ last_time (now_us () / 1000)
+{
+}
+
+zmq::clock_t::~clock_t ()
+{
+}
+
+uint64_t zmq::clock_t::now_us ()
+{
+#if defined ZMQ_HAVE_WINDOWS
+
+ // Get the high resolution counter's accuracy.
+ LARGE_INTEGER ticksPerSecond;
+ QueryPerformanceFrequency (&ticksPerSecond);
+
+ // What time is it?
+ LARGE_INTEGER tick;
+ QueryPerformanceCounter (&tick);
+
+ // Convert the tick number into the number of seconds
+ // since the system was started.
+ double ticks_div = (double) (ticksPerSecond.QuadPart / 1000000);
+ return (uint64_t) (tick.QuadPart / ticks_div);
+
+#else
+
+ // Use POSIX gettimeofday function to get precise time.
+ struct timeval tv;
+ int rc = gettimeofday (&tv, NULL);
+ errno_assert (rc == 0);
+ return (tv.tv_sec * (uint64_t) 1000000 + tv.tv_usec);
+
+#endif
+}
+
+uint64_t zmq::clock_t::now_ms ()
+{
+ uint64_t tsc = rdtsc ();
+
+ // If TSC is not supported, get precise time and chop off the microseconds.
+ if (!tsc)
+ return now_us () / 1000;
+
+ // If TSC haven't jumped back (in case of migration to a different
+ // CPU core) and if not too much time elapsed since last measurement,
+ // we can return cached time value.
+ if (likely (tsc - last_tsc <= (clock_precision / 2) && tsc >= last_tsc))
+ return last_time;
+
+ last_tsc = tsc;
+ last_time = now_us () / 1000;
+ return last_time;
+}
+
+uint64_t zmq::clock_t::rdtsc ()
+{
+#if (defined _MSC_VER && (defined _M_IX86 || defined _M_X64))
+ return __rdtsc ();
+#elif (defined __GNUC__ && (defined __i386__ || defined __x86_64__))
+ uint32_t low, high;
+ __asm__ volatile ("rdtsc" : "=a" (low), "=d" (high));
+ return (uint64_t) high << 32 | low;
+#elif (defined __SUNPRO_CC && (__SUNPRO_CC >= 0x5100) && (defined __i386 || \
+ defined __amd64 || defined __x86_64))
+ union {
+ uint64_t u64val;
+ uint32_t u32val [2];
+ } tsc;
+ asm("rdtsc" : "=a" (tsc.u32val [0]), "=d" (tsc.u32val [1]));
+ return tsc.u64val;
+#elif defined(__s390__)
+ uint64_t tsc;
+ asm("\tstck\t%0\n" : "=Q" (tsc) : : "cc");
+ tsc >>= 12; /* convert to microseconds just to be consistent */
+ return(tsc);
+#else
+ return 0;
+#endif
+}
diff --git a/src/clock.hpp b/src/clock.hpp
new file mode 100644
index 0000000..1b34989
--- /dev/null
+++ b/src/clock.hpp
@@ -0,0 +1,60 @@
+/*
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+
+ This file is part of 0MQ.
+
+ 0MQ is free software; you can redistribute it and/or modify it under
+ the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ 0MQ is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __ZMQ_CLOCK_HPP_INCLUDED__
+#define __ZMQ_CLOCK_HPP_INCLUDED__
+
+#include "stdint.hpp"
+
+namespace zmq
+{
+
+ class clock_t
+ {
+ public:
+
+ clock_t ();
+ ~clock_t ();
+
+ // CPU's timestamp counter. Returns 0 if it's not available.
+ static uint64_t rdtsc ();
+
+ // High precision timestamp.
+ static uint64_t now_us ();
+
+ // Low precision timestamp. In tight loops generating it can be
+ // 10 to 100 times faster than the high precision timestamp.
+ uint64_t now_ms ();
+
+ private:
+
+ // TSC timestamp of when last time measurement was made.
+ uint64_t last_tsc;
+
+ // Physical time corresponding to the TSC above (in milliseconds).
+ uint64_t last_time;
+
+ clock_t (const clock_t&);
+ const clock_t &operator = (const clock_t&);
+ };
+
+}
+
+#endif
diff --git a/src/command.cpp b/src/command.cpp
index 8bf7ea2..e3f3d59 100644
--- a/src/command.cpp
+++ b/src/command.cpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
diff --git a/src/command.hpp b/src/command.hpp
index 3d00cd7..35aed0f 100644
--- a/src/command.hpp
+++ b/src/command.hpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -39,13 +40,16 @@ namespace zmq
own,
attach,
bind,
- revive,
- reader_info,
+ activate_reader,
+ activate_writer,
pipe_term,
pipe_term_ack,
term_req,
term,
- term_ack
+ term_ack,
+ reap,
+ reaped,
+ done
} type;
union {
@@ -61,10 +65,11 @@ namespace zmq
// Sent to socket to let it know about the newly created object.
struct {
- class owned_t *object;
+ class own_t *object;
} own;
- // Attach the engine to the session.
+ // Attach the engine to the session. If engine is NULL, it informs
+ // session that the connection have failed.
struct {
struct i_engine *engine;
unsigned char peer_identity_size;
@@ -83,14 +88,13 @@ namespace zmq
// Sent by pipe writer to inform dormant pipe reader that there
// are messages in the pipe.
struct {
- } revive;
+ } activate_reader;
- // Sent by pipe reader to inform pipe writer
- // about how many messages it has read so far.
- // Used to implement the flow control.
+ // Sent by pipe reader to inform pipe writer about how many
+ // messages it has read so far.
struct {
uint64_t msgs_read;
- } reader_info;
+ } activate_writer;
// Sent by pipe reader to pipe writer to ask it to terminate
// its end of the pipe.
@@ -104,11 +108,12 @@ namespace zmq
// Sent by I/O object ot the socket to request the shutdown of
// the I/O object.
struct {
- class owned_t *object;
+ class own_t *object;
} term_req;
// Sent by socket to I/O object to start its shutdown.
struct {
+ int linger;
} term;
// Sent by I/O object to the socket to acknowledge it has
@@ -116,6 +121,21 @@ namespace zmq
struct {
} term_ack;
+ // Transfers the ownership of the closed socket
+ // to the reaper thread.
+ struct {
+ class socket_base_t *socket;
+ } reap;
+
+ // Closed socket notifies the reaper that it's already deallocated.
+ struct {
+ } reaped;
+
+ // Sent by reaper thread to the term thread when all the sockets
+ // are successfully deallocated.
+ struct {
+ } done;
+
} args;
};
diff --git a/src/config.hpp b/src/config.hpp
index 2c0ac2d..f144512 100644
--- a/src/config.hpp
+++ b/src/config.hpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -27,19 +28,14 @@ namespace zmq
enum
{
- // Maximal number of OS threads that can own 0MQ sockets
- // at the same time.
- max_app_threads = 512,
+ // Maximum number of sockets that can be opened at the same time.
+ max_sockets = 512,
// Number of new messages in message pipe needed to trigger new memory
// allocation. Setting this parameter to 256 decreases the impact of
// memory allocation by approximately 99.6%
message_pipe_granularity = 256,
- // Number of signals that can be read by the signaler
- // using a single system call.
- signal_buffer_size = 8,
-
// Determines how often does socket poll for new commands when it
// still has unprocessed messages to handle. Thus, if it is set to 100,
// socket will process 100 inbound messages before doing the poll.
@@ -63,19 +59,25 @@ namespace zmq
// Maximal delta between high and low watermark.
max_wm_delta = 1024,
+ // Swap inteligently batches data for writing to disk. The size of
+ // the batch in bytes is specified by this option.
+ swap_block_size = 8192,
+
// Maximum number of events the I/O thread can process in one go.
max_io_events = 256,
- // Maximal wait time for a timer (milliseconds).
- max_timer_period = 100,
-
// Maximal delay to process command in API thread (in CPU ticks).
// 3,000,000 ticks equals to 1 - 2 milliseconds on current CPUs.
+ // Note that delay is only applied when there is continuous stream of
+ // messages to process. If not so, commands are processed immediately.
max_command_delay = 3000000,
- // Maximal number of non-accepted connections that can be held by
- // TCP listener object.
- tcp_connection_backlog = 10,
+ // Low-precision clock precision in CPU ticks. 1ms. Value of 1000000
+ // should be OK for CPU frequencies above 1GHz. If should work
+ // reasonably well for CPU frequencies above 500MHz. For lower CPU
+ // frequencies you may consider lowering this value to get best
+ // possible latencies.
+ clock_precision = 1000000,
// Maximum transport data unit size for PGM (TPDU).
pgm_max_tpdu = 1500
diff --git a/src/connect_session.cpp b/src/connect_session.cpp
new file mode 100644
index 0000000..0df9854
--- /dev/null
+++ b/src/connect_session.cpp
@@ -0,0 +1,119 @@
+/*
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+
+ This file is part of 0MQ.
+
+ 0MQ is free software; you can redistribute it and/or modify it under
+ the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ 0MQ is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "connect_session.hpp"
+#include "zmq_connecter.hpp"
+#include "pgm_sender.hpp"
+#include "pgm_receiver.hpp"
+
+zmq::connect_session_t::connect_session_t (class io_thread_t *io_thread_,
+ class socket_base_t *socket_, const options_t &options_,
+ const char *protocol_, const char *address_) :
+ session_t (io_thread_, socket_, options_),
+ protocol (protocol_),
+ address (address_)
+{
+}
+
+zmq::connect_session_t::~connect_session_t ()
+{
+}
+
+void zmq::connect_session_t::process_plug ()
+{
+ // Start connection process immediately.
+ start_connecting (false);
+}
+
+void zmq::connect_session_t::start_connecting (bool wait_)
+{
+ // Choose I/O thread to run connecter in. Given that we are already
+ // running in an I/O thread, there must be at least one available.
+ io_thread_t *io_thread = choose_io_thread (options.affinity);
+ zmq_assert (io_thread);
+
+ // Create the connecter object.
+
+ // Both TCP and IPC transports are using the same infrastructure.
+ if (protocol == "tcp" || protocol == "ipc") {
+
+ zmq_connecter_t *connecter = new (std::nothrow) zmq_connecter_t (
+ io_thread, this, options, protocol.c_str (), address.c_str (),
+ wait_);
+ alloc_assert (connecter);
+ launch_child (connecter);
+ return;
+ }
+
+#if defined ZMQ_HAVE_OPENPGM
+
+ // Both PGM and EPGM transports are using the same infrastructure.
+ if (protocol == "pgm" || protocol == "epgm") {
+
+ // For EPGM transport with UDP encapsulation of PGM is used.
+ bool udp_encapsulation = (protocol == "epgm");
+
+ // At this point we'll create message pipes to the session straight
+ // away. There's no point in delaying it as no concept of 'connect'
+ // exists with PGM anyway.
+ if (options.type == ZMQ_PUB || options.type == ZMQ_XPUB) {
+
+ // PGM sender.
+ pgm_sender_t *pgm_sender = new (std::nothrow) pgm_sender_t (
+ io_thread, options);
+ alloc_assert (pgm_sender);
+
+ int rc = pgm_sender->init (udp_encapsulation, address.c_str ());
+ zmq_assert (rc == 0);
+
+ send_attach (this, pgm_sender, blob_t ());
+ }
+ else if (options.type == ZMQ_SUB || options.type == ZMQ_XSUB) {
+
+ // PGM receiver.
+ pgm_receiver_t *pgm_receiver = new (std::nothrow) pgm_receiver_t (
+ io_thread, options);
+ alloc_assert (pgm_receiver);
+
+ int rc = pgm_receiver->init (udp_encapsulation, address.c_str ());
+ zmq_assert (rc == 0);
+
+ send_attach (this, pgm_receiver, blob_t ());
+ }
+ else
+ zmq_assert (false);
+
+ return;
+ }
+#endif
+
+ zmq_assert (false);
+}
+
+void zmq::connect_session_t::attached (const blob_t &peer_identity_)
+{
+}
+
+void zmq::connect_session_t::detached ()
+{
+ // Reconnect.
+ start_connecting (true);
+}
+
diff --git a/src/connect_session.hpp b/src/connect_session.hpp
new file mode 100644
index 0000000..327ad2d
--- /dev/null
+++ b/src/connect_session.hpp
@@ -0,0 +1,65 @@
+/*
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+
+ This file is part of 0MQ.
+
+ 0MQ is free software; you can redistribute it and/or modify it under
+ the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ 0MQ is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __ZMQ_CONNECT_SESSION_HPP_INCLUDED__
+#define __ZMQ_CONNECT_SESSION_HPP_INCLUDED__
+
+#include <string>
+
+#include "session.hpp"
+
+namespace zmq
+{
+
+ // Connect session contains an address to connect to. On disconnect it
+ // attempts to reconnect.
+
+ class connect_session_t : public session_t
+ {
+ public:
+
+ connect_session_t (class io_thread_t *io_thread_,
+ class socket_base_t *socket_, const options_t &options_,
+ const char *protocol_, const char *address_);
+ ~connect_session_t ();
+
+ private:
+
+ // Handlers for events from session base class.
+ void attached (const blob_t &peer_identity_);
+ void detached ();
+
+ // Start the connection process.
+ void start_connecting (bool wait_);
+
+ // Command handlers.
+ void process_plug ();
+
+ // Address to connect to.
+ std::string protocol;
+ std::string address;
+
+ connect_session_t (const connect_session_t&);
+ const connect_session_t &operator = (const connect_session_t&);
+ };
+
+}
+
+#endif
diff --git a/src/ctx.cpp b/src/ctx.cpp
index 397f692..9cbb9de 100644
--- a/src/ctx.cpp
+++ b/src/ctx.cpp
@@ -1,93 +1,88 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <new>
#include <string.h>
-#include "../include/zmq.h"
-
#include "ctx.hpp"
#include "socket_base.hpp"
-#include "app_thread.hpp"
#include "io_thread.hpp"
#include "platform.hpp"
+#include "reaper.hpp"
#include "err.hpp"
#include "pipe.hpp"
#if defined ZMQ_HAVE_WINDOWS
#include "windows.h"
+#else
+#include "unistd.h"
#endif
zmq::ctx_t::ctx_t (uint32_t io_threads_) :
- sockets (0),
- terminated (false)
+ terminating (false)
{
-#ifdef ZMQ_HAVE_WINDOWS
- // Intialise Windows sockets. Note that WSAStartup can be called multiple
- // times given that WSACleanup will be called for each WSAStartup.
- WORD version_requested = MAKEWORD (2, 2);
- WSADATA wsa_data;
- int rc = WSAStartup (version_requested, &wsa_data);
- zmq_assert (rc == 0);
- zmq_assert (LOBYTE (wsa_data.wVersion) == 2 &&
- HIBYTE (wsa_data.wVersion) == 2);
-#endif
+ int rc;
- // Initialise the array of signalers.
- signalers_count = max_app_threads + io_threads_;
- signalers = (signaler_t**) malloc (sizeof (signaler_t*) * signalers_count);
- zmq_assert (signalers);
- memset (signalers, 0, sizeof (signaler_t*) * signalers_count);
+ // Initialise the array of mailboxes. Additional three slots are for
+ // internal log socket and the zmq_term thread the reaper thread.
+ slot_count = max_sockets + io_threads_ + 3;
+ slots = (mailbox_t**) malloc (sizeof (mailbox_t*) * slot_count);
+ alloc_assert (slots);
+
+ // Initialise the infrastructure for zmq_term thread.
+ slots [term_tid] = &term_mailbox;
+
+ // Create the reaper thread.
+ reaper = new (std::nothrow) reaper_t (this, reaper_tid);
+ alloc_assert (reaper);
+ slots [reaper_tid] = reaper->get_mailbox ();
+ reaper->start ();
// Create I/O thread objects and launch them.
- for (uint32_t i = 0; i != io_threads_; i++) {
+ for (uint32_t i = 2; i != io_threads_ + 2; i++) {
io_thread_t *io_thread = new (std::nothrow) io_thread_t (this, i);
- zmq_assert (io_thread);
+ alloc_assert (io_thread);
io_threads.push_back (io_thread);
- signalers [i] = io_thread->get_signaler ();
+ slots [i] = io_thread->get_mailbox ();
io_thread->start ();
}
-}
-int zmq::ctx_t::term ()
-{
- // First send stop command to application threads so that any
- // blocking calls are interrupted.
- for (app_threads_t::size_type i = 0; i != app_threads.size (); i++)
- app_threads [i].app_thread->stop ();
-
- // Then mark context as terminated.
- term_sync.lock ();
- zmq_assert (!terminated);
- terminated = true;
- bool destroy = (sockets == 0);
- term_sync.unlock ();
-
- // If there are no sockets open, destroy the context immediately.
- if (destroy)
- delete this;
+ // In the unused part of the slot array, create a list of empty slots.
+ for (int32_t i = (int32_t) slot_count - 1;
+ i >= (int32_t) io_threads_ + 2; i--) {
+ empty_slots.push_back (i);
+ slots [i] = NULL;
+ }
- return 0;
+ // Create the logging infrastructure.
+ log_socket = create_socket (ZMQ_PUB);
+ zmq_assert (log_socket);
+ rc = log_socket->bind ("sys://log");
+ zmq_assert (rc == 0);
}
zmq::ctx_t::~ctx_t ()
{
+ // Check that there are no remaining sockets.
+ zmq_assert (sockets.empty ());
+
// Ask I/O threads to terminate. If stop signal wasn't sent to I/O
// thread subsequent invocation of destructor would hang-up.
for (io_threads_t::size_type i = 0; i != io_threads.size (); i++)
@@ -97,136 +92,134 @@ zmq::ctx_t::~ctx_t ()
for (io_threads_t::size_type i = 0; i != io_threads.size (); i++)
delete io_threads [i];
- // Close all application theads, sockets, io_objects etc.
- for (app_threads_t::size_type i = 0; i != app_threads.size (); i++)
- delete app_threads [i].app_thread;
-
- // Deallocate all the orphaned pipes.
- while (!pipes.empty ())
- delete *pipes.begin ();
-
- // Deallocate the array of pointers to signalers. No special work is
- // needed as signalers themselves were deallocated with their
- // corresponding (app_/io_) thread objects.
- free (signalers);
-
-#ifdef ZMQ_HAVE_WINDOWS
- // On Windows, uninitialise socket layer.
- int rc = WSACleanup ();
- wsa_assert (rc != SOCKET_ERROR);
-#endif
+ // Deallocate the reaper thread object.
+ delete reaper;
+
+ // Deallocate the array of mailboxes. No special work is
+ // needed as mailboxes themselves were deallocated with their
+ // corresponding io_thread/socket objects.
+ free (slots);
}
-zmq::socket_base_t *zmq::ctx_t::create_socket (int type_)
+int zmq::ctx_t::terminate ()
{
- app_threads_sync.lock ();
-
- // Find whether the calling thread has app_thread_t object associated
- // already. At the same time find an unused app_thread_t so that it can
- // be used if there's no associated object for the calling thread.
- // Check whether thread ID is already assigned. If so, return it.
- app_threads_t::size_type unused = app_threads.size ();
- app_threads_t::size_type current;
- for (current = 0; current != app_threads.size (); current++) {
- if (app_threads [current].associated &&
- thread_t::equal (thread_t::id (), app_threads [current].tid))
- break;
- if (!app_threads [current].associated)
- unused = current;
+ // Check whether termination was already underway, but interrupted and now
+ // restarted.
+ slot_sync.lock ();
+ bool restarted = terminating;
+ slot_sync.unlock ();
+
+ // First attempt to terminate the context.
+ if (!restarted) {
+
+ // Close the logging infrastructure.
+ log_sync.lock ();
+ int rc = log_socket->close ();
+ zmq_assert (rc == 0);
+ log_socket = NULL;
+ log_sync.unlock ();
+
+ // First send stop command to sockets so that any blocking calls can be
+ // interrupted. If there are no sockets we can ask reaper thread to stop.
+ slot_sync.lock ();
+ terminating = true;
+ for (sockets_t::size_type i = 0; i != sockets.size (); i++)
+ sockets [i]->stop ();
+ if (sockets.empty ())
+ reaper->stop ();
+ slot_sync.unlock ();
}
- // If no app_thread_t is associated with the calling thread,
- // associate it with one of the unused app_thread_t objects.
- if (current == app_threads.size ()) {
+ // Wait till reaper thread closes all the sockets.
+ command_t cmd;
+ int rc = term_mailbox.recv (&cmd, true);
+ if (rc == -1 && errno == EINTR)
+ return -1;
+ zmq_assert (rc == 0);
+ zmq_assert (cmd.type == command_t::done);
+ slot_sync.lock ();
+ zmq_assert (sockets.empty ());
+ slot_sync.unlock ();
- // If all the existing app_threads are already used, create one more.
- if (unused == app_threads.size ()) {
+ // Deallocate the resources.
+ delete this;
- // If max_app_threads limit was reached, return error.
- if (app_threads.size () == max_app_threads) {
- app_threads_sync.unlock ();
- errno = EMTHREAD;
- return NULL;
- }
+ return 0;
+}
- // Create the new application thread proxy object.
- app_thread_info_t info;
- memset (&info, 0, sizeof (info));
- info.associated = false;
- info.app_thread = new (std::nothrow) app_thread_t (this,
- io_threads.size () + app_threads.size ());
- zmq_assert (info.app_thread);
- signalers [io_threads.size () + app_threads.size ()] =
- info.app_thread->get_signaler ();
- app_threads.push_back (info);
- }
+zmq::socket_base_t *zmq::ctx_t::create_socket (int type_)
+{
+ slot_sync.lock ();
- // Incidentally, this works both when there is an unused app_thread
- // and when a new one is created.
- current = unused;
+ // Once zmq_term() was called, we can't create new sockets.
+ if (terminating) {
+ slot_sync.unlock ();
+ errno = ETERM;
+ return NULL;
+ }
- // Associate the selected app_thread with the OS thread.
- app_threads [current].associated = true;
- app_threads [current].tid = thread_t::id ();
+ // If max_sockets limit was reached, return error.
+ if (empty_slots.empty ()) {
+ slot_sync.unlock ();
+ errno = EMFILE;
+ return NULL;
}
- app_thread_t *thread = app_threads [current].app_thread;
- app_threads_sync.unlock ();
+ // Choose a slot for the socket.
+ uint32_t slot = empty_slots.back ();
+ empty_slots.pop_back ();
- socket_base_t *s = thread->create_socket (type_);
- if (!s)
+ // Create the socket and register its mailbox.
+ socket_base_t *s = socket_base_t::create (type_, this, slot);
+ if (!s) {
+ empty_slots.push_back (slot);
+ slot_sync.unlock ();
return NULL;
+ }
+ sockets.push_back (s);
+ slots [slot] = s->get_mailbox ();
- term_sync.lock ();
- sockets++;
- term_sync.unlock ();
+ slot_sync.unlock ();
return s;
}
-void zmq::ctx_t::destroy_socket ()
+void zmq::ctx_t::destroy_socket (class socket_base_t *socket_)
{
- // If zmq_term was already called and there are no more sockets,
- // terminate the whole 0MQ infrastructure.
- term_sync.lock ();
- zmq_assert (sockets > 0);
- sockets--;
- bool destroy = (sockets == 0 && terminated);
- term_sync.unlock ();
-
- if (destroy)
- delete this;
-}
+ slot_sync.lock ();
-void zmq::ctx_t::no_sockets (app_thread_t *thread_)
-{
- app_threads_sync.lock ();
- app_threads_t::size_type i;
- for (i = 0; i != app_threads.size (); i++)
- if (app_threads [i].app_thread == thread_) {
- app_threads [i].associated = false;
- break;
- }
- zmq_assert (i != app_threads.size ());
- app_threads_sync.unlock ();
+ // Free the associared thread slot.
+ uint32_t tid = socket_->get_tid ();
+ empty_slots.push_back (tid);
+ slots [tid] = NULL;
+
+ // Remove the socket from the list of sockets.
+ sockets.erase (socket_);
+
+ // If zmq_term() was already called and there are no more socket
+ // we can ask reaper thread to terminate.
+ if (terminating && sockets.empty ())
+ reaper->stop ();
+
+ slot_sync.unlock ();
}
-void zmq::ctx_t::send_command (uint32_t destination_,
- const command_t &command_)
+zmq::object_t *zmq::ctx_t::get_reaper ()
{
- signalers [destination_]->send (command_);
+ return reaper;
}
-bool zmq::ctx_t::recv_command (uint32_t thread_slot_,
- command_t *command_, bool block_)
+void zmq::ctx_t::send_command (uint32_t tid_, const command_t &command_)
{
- return signalers [thread_slot_]->recv (command_, block_);
+ slots [tid_]->send (command_);
}
zmq::io_thread_t *zmq::ctx_t::choose_io_thread (uint64_t affinity_)
{
+ if (io_threads.empty ())
+ return NULL;
+
// Find the I/O thread with minimum load.
- zmq_assert (io_threads.size () > 0);
int min_load = -1;
io_threads_t::size_type result = 0;
for (io_threads_t::size_type i = 0; i != io_threads.size (); i++) {
@@ -242,29 +235,12 @@ zmq::io_thread_t *zmq::ctx_t::choose_io_thread (uint64_t affinity_)
return io_threads [result];
}
-void zmq::ctx_t::register_pipe (class pipe_t *pipe_)
-{
- pipes_sync.lock ();
- bool inserted = pipes.insert (pipe_).second;
- zmq_assert (inserted);
- pipes_sync.unlock ();
-}
-
-void zmq::ctx_t::unregister_pipe (class pipe_t *pipe_)
-{
- pipes_sync.lock ();
- pipes_t::size_type erased = pipes.erase (pipe_);
- zmq_assert (erased == 1);
- pipes_sync.unlock ();
-}
-
-int zmq::ctx_t::register_endpoint (const char *addr_,
- socket_base_t *socket_)
+int zmq::ctx_t::register_endpoint (const char *addr_, endpoint_t &endpoint_)
{
endpoints_sync.lock ();
- bool inserted = endpoints.insert (std::make_pair (std::string (addr_),
- socket_)).second;
+ bool inserted = endpoints.insert (endpoints_t::value_type (
+ std::string (addr_), endpoint_)).second;
if (!inserted) {
errno = EADDRINUSE;
endpoints_sync.unlock ();
@@ -281,19 +257,19 @@ void zmq::ctx_t::unregister_endpoints (socket_base_t *socket_)
endpoints_t::iterator it = endpoints.begin ();
while (it != endpoints.end ()) {
- if (it->second == socket_) {
+ if (it->second.socket == socket_) {
endpoints_t::iterator to_erase = it;
- it++;
+ ++it;
endpoints.erase (to_erase);
continue;
}
- it++;
+ ++it;
}
endpoints_sync.unlock ();
}
-zmq::socket_base_t *zmq::ctx_t::find_endpoint (const char *addr_)
+zmq::endpoint_t zmq::ctx_t::find_endpoint (const char *addr_)
{
endpoints_sync.lock ();
@@ -301,17 +277,37 @@ zmq::socket_base_t *zmq::ctx_t::find_endpoint (const char *addr_)
if (it == endpoints.end ()) {
endpoints_sync.unlock ();
errno = ECONNREFUSED;
- return NULL;
+ endpoint_t empty = {NULL, options_t()};
+ return empty;
}
- socket_base_t *endpoint = it->second;
+ endpoint_t *endpoint = &it->second;
// Increment the command sequence number of the peer so that it won't
// get deallocated until "bind" command is issued by the caller.
// The subsequent 'bind' has to be called with inc_seqnum parameter
// set to false, so that the seqnum isn't incremented twice.
- endpoint->inc_seqnum ();
+ endpoint->socket->inc_seqnum ();
endpoints_sync.unlock ();
- return endpoint;
+ return *endpoint;
}
+void zmq::ctx_t::log (const char *format_, va_list args_)
+{
+ // Create the log message.
+ zmq_msg_t msg;
+ int rc = zmq_msg_init_size (&msg, strlen (format_) + 1);
+ zmq_assert (rc == 0);
+ memcpy (zmq_msg_data (&msg), format_, zmq_msg_size (&msg));
+
+ // At this point we migrate the log socket to the current thread.
+ // We rely on mutex for executing the memory barrier.
+ log_sync.lock ();
+ if (log_socket)
+ log_socket->send (&msg, 0);
+ log_sync.unlock ();
+
+ zmq_msg_close (&msg);
+}
+
+
diff --git a/src/ctx.hpp b/src/ctx.hpp
index c96a923..c6ea4ce 100644
--- a/src/ctx.hpp
+++ b/src/ctx.hpp
@@ -1,39 +1,53 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __ZMQ_CTX_HPP_INCLUDED__
#define __ZMQ_CTX_HPP_INCLUDED__
-#include <vector>
-#include <set>
#include <map>
+#include <vector>
#include <string>
+#include <stdarg.h>
+
+#include "../include/zmq.h"
-#include "signaler.hpp"
+#include "mailbox.hpp"
+#include "semaphore.hpp"
#include "ypipe.hpp"
+#include "array.hpp"
#include "config.hpp"
#include "mutex.hpp"
#include "stdint.hpp"
#include "thread.hpp"
+#include "options.hpp"
namespace zmq
{
+ // Information associated with inproc endpoint. Note that endpoint options
+ // are registered as well so that the peer can access them without a need
+ // for synchronisation, handshaking or similar.
+ struct endpoint_t
+ {
+ class socket_base_t *socket;
+ options_t options;
+ };
// Context object encapsulates all the global state associated with
// the library.
@@ -50,104 +64,87 @@ namespace zmq
// no more sockets open it'll cause all the infrastructure to be shut
// down. If there are open sockets still, the deallocation happens
// after the last one is closed.
- int term ();
+ int terminate ();
- // Create a socket.
+ // Create and destroy a socket.
class socket_base_t *create_socket (int type_);
-
- // Destroy a socket.
- void destroy_socket ();
-
- // Called by app_thread_t when it has no more sockets. The function
- // should disassociate the object from the current OS thread.
- void no_sockets (class app_thread_t *thread_);
+ void destroy_socket (class socket_base_t *socket_);
// Send command to the destination thread.
- void send_command (uint32_t destination_, const command_t &command_);
-
- // Receive command from another thread.
- bool recv_command (uint32_t thread_slot_, command_t *command_,
- bool block_);
+ void send_command (uint32_t tid_, const command_t &command_);
// Returns the I/O thread that is the least busy at the moment.
- // Taskset specifies which I/O threads are eligible (0 = all).
- class io_thread_t *choose_io_thread (uint64_t taskset_);
+ // Affinity specifies which I/O threads are eligible (0 = all).
+ // Returns NULL is no I/O thread is available.
+ class io_thread_t *choose_io_thread (uint64_t affinity_);
- // All pipes are registered with the context so that even the
- // orphaned pipes can be deallocated on the terminal shutdown.
- void register_pipe (class pipe_t *pipe_);
- void unregister_pipe (class pipe_t *pipe_);
+ // Returns reaper thread object.
+ class object_t *get_reaper ();
// Management of inproc endpoints.
- int register_endpoint (const char *addr_, class socket_base_t *socket_);
+ int register_endpoint (const char *addr_, endpoint_t &endpoint_);
void unregister_endpoints (class socket_base_t *socket_);
- class socket_base_t *find_endpoint (const char *addr_);
+ endpoint_t find_endpoint (const char *addr_);
+
+ // Logging.
+ void log (const char *format_, va_list args_);
+
+ enum {
+ term_tid = 0,
+ reaper_tid = 1
+ };
private:
~ctx_t ();
- struct app_thread_info_t
- {
- // If false, 0MQ application thread is free, there's no associated
- // OS thread.
- bool associated;
+ // Sockets belonging to this context. We need the list so that
+ // we can notify the sockets when zmq_term() is called. The sockets
+ // will return ETERM then.
+ typedef array_t <socket_base_t> sockets_t;
+ sockets_t sockets;
- // ID of the associated OS thread. If 'associated' is false,
- // this field contains bogus data.
- thread_t::id_t tid;
+ // List of unused thread slots.
+ typedef std::vector <uint32_t> emtpy_slots_t;
+ emtpy_slots_t empty_slots;
- // Pointer to the 0MQ application thread object.
- class app_thread_t *app_thread;
- };
+ // If true, zmq_term was already called.
+ bool terminating;
- // Application threads.
- typedef std::vector <app_thread_info_t> app_threads_t;
- app_threads_t app_threads;
+ // Synchronisation of accesses to global slot-related data:
+ // sockets, empty_slots, terminating. It also synchronises
+ // access to zombie sockets as such (as oposed to slots) and provides
+ // a memory barrier to ensure that all CPU cores see the same data.
+ mutex_t slot_sync;
- // Synchronisation of accesses to shared application thread data.
- mutex_t app_threads_sync;
+ // The reaper thread.
+ class reaper_t *reaper;
// I/O threads.
typedef std::vector <class io_thread_t*> io_threads_t;
io_threads_t io_threads;
- // Array of pointers to signalers for both application and I/O threads.
- int signalers_count;
- signaler_t **signalers;
-
- // As pipes may reside in orphaned state in particular moments
- // of the pipe shutdown process, i.e. neither pipe reader nor
- // pipe writer hold reference to the pipe, we have to hold references
- // to all pipes in context so that we can deallocate them
- // during terminal shutdown even though it conincides with the
- // pipe being in the orphaned state.
- typedef std::set <class pipe_t*> pipes_t;
- pipes_t pipes;
+ // Array of pointers to mailboxes for both application and I/O threads.
+ uint32_t slot_count;
+ mailbox_t **slots;
- // Synchronisation of access to the pipes repository.
- mutex_t pipes_sync;
-
- // Number of sockets alive.
- int sockets;
-
- // If true, zmq_term was already called. When last socket is closed
- // the whole 0MQ infrastructure should be deallocated.
- bool terminated;
-
- // Synchronisation of access to the termination data (socket count
- // and 'terminated' flag).
- mutex_t term_sync;
+ // Mailbox for zmq_term thread.
+ mailbox_t term_mailbox;
// List of inproc endpoints within this context.
- typedef std::map <std::string, class socket_base_t*> endpoints_t;
+ typedef std::map <std::string, endpoint_t> endpoints_t;
endpoints_t endpoints;
// Synchronisation of access to the list of inproc endpoints.
mutex_t endpoints_sync;
+ // PUB socket for logging. The socket is shared among all the threads,
+ // thus it is synchronised by a mutex.
+ class socket_base_t *log_socket;
+ mutex_t log_sync;
+
ctx_t (const ctx_t&);
- void operator = (const ctx_t&);
+ const ctx_t &operator = (const ctx_t&);
};
}
diff --git a/src/zmq_decoder.cpp b/src/decoder.cpp
index dcf8e76..c9a7dc9 100644
--- a/src/zmq_decoder.cpp
+++ b/src/decoder.cpp
@@ -1,114 +1,129 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
#include <string.h>
-#include "zmq_decoder.hpp"
+#include "decoder.hpp"
#include "i_inout.hpp"
#include "wire.hpp"
#include "err.hpp"
-zmq::zmq_decoder_t::zmq_decoder_t (size_t bufsize_) :
- decoder_t <zmq_decoder_t> (bufsize_),
+zmq::decoder_t::decoder_t (size_t bufsize_) :
+ decoder_base_t <decoder_t> (bufsize_),
destination (NULL)
{
zmq_msg_init (&in_progress);
// At the beginning, read one byte and go to one_byte_size_ready state.
- next_step (tmpbuf, 1, &zmq_decoder_t::one_byte_size_ready);
+ next_step (tmpbuf, 1, &decoder_t::one_byte_size_ready);
}
-zmq::zmq_decoder_t::~zmq_decoder_t ()
+zmq::decoder_t::~decoder_t ()
{
zmq_msg_close (&in_progress);
}
-void zmq::zmq_decoder_t::set_inout (i_inout *destination_)
+void zmq::decoder_t::set_inout (i_inout *destination_)
{
destination = destination_;
}
-bool zmq::zmq_decoder_t::one_byte_size_ready ()
+bool zmq::decoder_t::one_byte_size_ready ()
{
// First byte of size is read. If it is 0xff read 8-byte size.
// Otherwise allocate the buffer for message data and read the
// message data into it.
if (*tmpbuf == 0xff)
- next_step (tmpbuf, 8, &zmq_decoder_t::eight_byte_size_ready);
+ next_step (tmpbuf, 8, &decoder_t::eight_byte_size_ready);
else {
- // TODO: Handle over-sized message decently.
-
// There has to be at least one byte (the flags) in the message).
- zmq_assert (*tmpbuf > 0);
+ if (!*tmpbuf) {
+ decoding_error ();
+ return false;
+ }
// in_progress is initialised at this point so in theory we should
// close it before calling zmq_msg_init_size, however, it's a 0-byte
// message and thus we can treat it as uninitialised...
int rc = zmq_msg_init_size (&in_progress, *tmpbuf - 1);
+ if (rc != 0 && errno == ENOMEM) {
+ rc = zmq_msg_init (&in_progress);
+ errno_assert (rc == 0);
+ decoding_error ();
+ return false;
+ }
errno_assert (rc == 0);
- next_step (tmpbuf, 1, &zmq_decoder_t::flags_ready);
+
+ next_step (tmpbuf, 1, &decoder_t::flags_ready);
}
return true;
}
-bool zmq::zmq_decoder_t::eight_byte_size_ready ()
+bool zmq::decoder_t::eight_byte_size_ready ()
{
// 8-byte size is read. Allocate the buffer for message body and
// read the message data into it.
size_t size = (size_t) get_uint64 (tmpbuf);
- // TODO: Handle over-sized message decently.
-
// There has to be at least one byte (the flags) in the message).
- zmq_assert (size > 0);
-
+ if (!size) {
+ decoding_error ();
+ return false;
+ }
// in_progress is initialised at this point so in theory we should
// close it before calling zmq_msg_init_size, however, it's a 0-byte
// message and thus we can treat it as uninitialised...
int rc = zmq_msg_init_size (&in_progress, size - 1);
+ if (rc != 0 && errno == ENOMEM) {
+ rc = zmq_msg_init (&in_progress);
+ errno_assert (rc == 0);
+ decoding_error ();
+ return false;
+ }
errno_assert (rc == 0);
- next_step (tmpbuf, 1, &zmq_decoder_t::flags_ready);
+ next_step (tmpbuf, 1, &decoder_t::flags_ready);
return true;
}
-bool zmq::zmq_decoder_t::flags_ready ()
+bool zmq::decoder_t::flags_ready ()
{
// Store the flags from the wire into the message structure.
in_progress.flags = tmpbuf [0];
next_step (zmq_msg_data (&in_progress), zmq_msg_size (&in_progress),
- &zmq_decoder_t::message_ready);
+ &decoder_t::message_ready);
return true;
}
-bool zmq::zmq_decoder_t::message_ready ()
+bool zmq::decoder_t::message_ready ()
{
// Message is completely read. Push it further and start reading
// new message. (in_progress is a 0-byte message after this point.)
if (!destination || !destination->write (&in_progress))
return false;
- next_step (tmpbuf, 1, &zmq_decoder_t::one_byte_size_ready);
+ next_step (tmpbuf, 1, &decoder_t::one_byte_size_ready);
return true;
}
diff --git a/src/decoder.hpp b/src/decoder.hpp
index f05f651..f554e46 100644
--- a/src/decoder.hpp
+++ b/src/decoder.hpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -27,37 +28,39 @@
#include "err.hpp"
+#include "../include/zmq.h"
+
namespace zmq
{
// Helper base class for decoders that know the amount of data to read
// in advance at any moment. Knowing the amount in advance is a property
- // of the protocol used. Both AMQP and backend protocol are based on
- // size-prefixed paradigm, therefore they are using decoder_t to parse
- // the messages. On the other hand, XML-based transports (like XMPP or
- // SOAP) don't allow for knowing the size of data to read in advance and
- // should use different decoding algorithms.
+ // of the protocol used. 0MQ framing protocol is based size-prefixed
+ // paradigm, whixh qualifies it to be parsed by this class.
+ // On the other hand, XML-based transports (like XMPP or SOAP) don't allow
+ // for knowing the size of data to read in advance and should use different
+ // decoding algorithms.
//
- // Decoder implements the state machine that parses the incoming buffer.
+ // This class implements the state machine that parses the incoming buffer.
// Derived class should implement individual state machine actions.
- template <typename T> class decoder_t
+ template <typename T> class decoder_base_t
{
public:
- inline decoder_t (size_t bufsize_) :
+ inline decoder_base_t (size_t bufsize_) :
read_pos (NULL),
to_read (0),
next (NULL),
bufsize (bufsize_)
{
buf = (unsigned char*) malloc (bufsize_);
- zmq_assert (buf);
+ alloc_assert (buf);
}
// The destructor doesn't have to be virtual. It is mad virtual
// just to keep ICC and code checking tools from complaining.
- inline virtual ~decoder_t ()
+ inline virtual ~decoder_base_t ()
{
free (buf);
}
@@ -89,6 +92,10 @@ namespace zmq
// bytes actually processed.
inline size_t process_buffer (unsigned char *data_, size_t size_)
{
+ // Check if we had an error in previous attempt.
+ if (unlikely (!(static_cast <T*> (this)->next)))
+ return (size_t) -1;
+
// In case of zero-copy simply adjust the pointers, no copying
// is required. Also, run the state machine in case all the data
// were processed.
@@ -96,9 +103,13 @@ namespace zmq
read_pos += size_;
to_read -= size_;
- while (!to_read)
- if (!(static_cast <T*> (this)->*next) ())
+ while (!to_read) {
+ if (!(static_cast <T*> (this)->*next) ()) {
+ if (unlikely (!(static_cast <T*> (this)->next)))
+ return (size_t) -1;
return size_;
+ }
+ }
return size_;
}
@@ -107,9 +118,13 @@ namespace zmq
// Try to get more space in the message to fill in.
// If none is available, return.
- while (!to_read)
- if (!(static_cast <T*> (this)->*next) ())
+ while (!to_read) {
+ if (!(static_cast <T*> (this)->*next) ()) {
+ if (unlikely (!(static_cast <T*> (this)->next)))
+ return (size_t) -1;
return pos;
+ }
+ }
// If there are no more data in the buffer, return.
if (pos == size_)
@@ -140,6 +155,13 @@ namespace zmq
next = next_;
}
+ // This function should be called from the derived class to
+ // abort decoder state machine.
+ inline void decoding_error ()
+ {
+ next = NULL;
+ }
+
private:
unsigned char *read_pos;
@@ -149,6 +171,32 @@ namespace zmq
size_t bufsize;
unsigned char *buf;
+ decoder_base_t (const decoder_base_t&);
+ const decoder_base_t &operator = (const decoder_base_t&);
+ };
+
+ // Decoder for 0MQ framing protocol. Converts data batches into messages.
+
+ class decoder_t : public decoder_base_t <decoder_t>
+ {
+ public:
+
+ decoder_t (size_t bufsize_);
+ ~decoder_t ();
+
+ void set_inout (struct i_inout *destination_);
+
+ private:
+
+ bool one_byte_size_ready ();
+ bool eight_byte_size_ready ();
+ bool flags_ready ();
+ bool message_ready ();
+
+ struct i_inout *destination;
+ unsigned char tmpbuf [8];
+ ::zmq_msg_t in_progress;
+
decoder_t (const decoder_t&);
void operator = (const decoder_t&);
};
@@ -156,3 +204,4 @@ namespace zmq
}
#endif
+
diff --git a/src/queue.cpp b/src/device.cpp
index 36fab07..351283a 100644
--- a/src/queue.cpp
+++ b/src/device.cpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -21,17 +22,20 @@
#include "../include/zmq.h"
-#include "queue.hpp"
+#include "device.hpp"
#include "socket_base.hpp"
#include "likely.hpp"
#include "err.hpp"
-int zmq::queue (class socket_base_t *insocket_,
+int zmq::device (class socket_base_t *insocket_,
class socket_base_t *outsocket_)
{
zmq_msg_t msg;
int rc = zmq_msg_init (&msg);
- zmq_assert (rc == 0);
+
+ if (rc != 0) {
+ return -1;
+ }
int64_t more;
size_t moresz;
@@ -51,9 +55,7 @@ int zmq::queue (class socket_base_t *insocket_,
// Wait while there are either requests or replies to process.
rc = zmq_poll (&items [0], 2, -1);
if (unlikely (rc < 0)) {
- if (errno == ETERM)
- return -1;
- errno_assert (false);
+ return -1;
}
// The algorithm below asumes ratio of request and replies processed
@@ -67,24 +69,18 @@ int zmq::queue (class socket_base_t *insocket_,
rc = insocket_->recv (&msg, 0);
if (unlikely (rc < 0)) {
- if (errno == ETERM)
- return -1;
- errno_assert (false);
+ return -1;
}
moresz = sizeof (more);
rc = insocket_->getsockopt (ZMQ_RCVMORE, &more, &moresz);
if (unlikely (rc < 0)) {
- if (errno == ETERM)
- return -1;
- errno_assert (false);
+ return -1;
}
rc = outsocket_->send (&msg, more ? ZMQ_SNDMORE : 0);
if (unlikely (rc < 0)) {
- if (errno == ETERM)
- return -1;
- errno_assert (false);
+ return -1;
}
if (!more)
@@ -98,24 +94,18 @@ int zmq::queue (class socket_base_t *insocket_,
rc = outsocket_->recv (&msg, 0);
if (unlikely (rc < 0)) {
- if (errno == ETERM)
- return -1;
- errno_assert (false);
+ return -1;
}
moresz = sizeof (more);
rc = outsocket_->getsockopt (ZMQ_RCVMORE, &more, &moresz);
if (unlikely (rc < 0)) {
- if (errno == ETERM)
- return -1;
- errno_assert (false);
+ return -1;
}
rc = insocket_->send (&msg, more ? ZMQ_SNDMORE : 0);
if (unlikely (rc < 0)) {
- if (errno == ETERM)
- return -1;
- errno_assert (false);
+ return -1;
}
if (!more)
diff --git a/src/streamer.hpp b/src/device.hpp
index 8827cff..c5b7118 100644
--- a/src/streamer.hpp
+++ b/src/device.hpp
@@ -1,29 +1,30 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#ifndef __ZMQ_STREAMER_HPP_INCLUDED__
-#define __ZMQ_STREAMER_HPP_INCLUDED__
+#ifndef __ZMQ_DEVICE_HPP_INCLUDED__
+#define __ZMQ_DEVICE_HPP_INCLUDED__
namespace zmq
{
- int streamer (class socket_base_t *insocket_,
+ int device (class socket_base_t *insocket_,
class socket_base_t *outsocket_);
}
diff --git a/src/devpoll.cpp b/src/devpoll.cpp
index 003f465..25763c6 100644
--- a/src/devpoll.cpp
+++ b/src/devpoll.cpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -23,7 +24,6 @@
#include <sys/devpoll.h>
#include <sys/time.h>
-#include <sys/resource.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
@@ -40,15 +40,6 @@
zmq::devpoll_t::devpoll_t () :
stopping (false)
{
- // Get limit on open files
- struct rlimit rl;
- int rc = getrlimit (RLIMIT_NOFILE, &rl);
- errno_assert (rc != -1);
- fd_table.resize (rl.rlim_cur);
-
- for (rlim_t i = 0; i < rl.rlim_cur; i ++)
- fd_table [i].valid = false;
-
devpoll_fd = open ("/dev/poll", O_RDWR);
errno_assert (devpoll_fd != -1);
}
@@ -56,10 +47,6 @@ zmq::devpoll_t::devpoll_t () :
zmq::devpoll_t::~devpoll_t ()
{
worker.stop ();
-
- // Make sure there are no fds registered on shutdown.
- zmq_assert (load.get () == 0);
-
close (devpoll_fd);
}
@@ -73,6 +60,16 @@ void zmq::devpoll_t::devpoll_ctl (fd_t fd_, short events_)
zmq::devpoll_t::handle_t zmq::devpoll_t::add_fd (fd_t fd_,
i_poll_events *reactor_)
{
+ // If the file descriptor table is too small expand it.
+ fd_table_t::size_type sz = fd_table.size ();
+ if (sz <= (fd_table_t::size_type) fd_) {
+ fd_table.resize (fd_ + 1);
+ while (sz != (fd_table_t::size_type) (fd_ + 1)) {
+ fd_table [sz].valid = false;
+ ++sz;
+ }
+ }
+
assert (!fd_table [fd_].valid);
fd_table [fd_].events = 0;
@@ -84,7 +81,7 @@ zmq::devpoll_t::handle_t zmq::devpoll_t::add_fd (fd_t fd_,
pending_list.push_back (fd_);
// Increase the load metric of the thread.
- load.add (1);
+ adjust_load (1);
return fd_;
}
@@ -97,7 +94,7 @@ void zmq::devpoll_t::rm_fd (handle_t handle_)
fd_table [handle_].valid = false;
// Decrease the load metric of the thread.
- load.sub (1);
+ adjust_load (-1);
}
void zmq::devpoll_t::set_pollin (handle_t handle_)
@@ -128,23 +125,6 @@ void zmq::devpoll_t::reset_pollout (handle_t handle_)
devpoll_ctl (handle_, fd_table [handle_].events);
}
-void zmq::devpoll_t::add_timer (i_poll_events *events_)
-{
- timers.push_back (events_);
-}
-
-void zmq::devpoll_t::cancel_timer (i_poll_events *events_)
-{
- timers_t::iterator it = std::find (timers.begin (), timers.end (), events_);
- if (it != timers.end ())
- timers.erase (it);
-}
-
-int zmq::devpoll_t::get_load ()
-{
- return load.get ();
-}
-
void zmq::devpoll_t::start ()
{
worker.start (worker_routine, this);
@@ -157,10 +137,6 @@ void zmq::devpoll_t::stop ()
void zmq::devpoll_t::loop ()
{
- // According to the poll(7d) man page, we can retrieve
- // no more then (OPEN_MAX - 1) events.
- int nfds = std::min ((int) max_io_events, OPEN_MAX - 1);
-
while (!stopping) {
struct pollfd ev_buf [max_io_events];
@@ -170,31 +146,23 @@ void zmq::devpoll_t::loop ()
fd_table [pending_list [i]].accepted = true;
pending_list.clear ();
- poll_req.dp_fds = &ev_buf [0];
- poll_req.dp_nfds = nfds;
- poll_req.dp_timeout = timers.empty () ? -1 : max_timer_period;
+ // Execute any due timers.
+ int timeout = (int) execute_timers ();
// Wait for events.
+ // On Solaris, we can retrieve no more then (OPEN_MAX - 1) events.
+ poll_req.dp_fds = &ev_buf [0];
+#if defined ZMQ_HAVE_SOLARIS
+ poll_req.dp_nfds = std::min ((int) max_io_events, OPEN_MAX - 1);
+#else
+ poll_req.dp_nfds = max_io_events;
+#endif
+ poll_req.dp_timeout = timeout ? timeout : -1;
int n = ioctl (devpoll_fd, DP_POLL, &poll_req);
if (n == -1 && errno == EINTR)
continue;
errno_assert (n != -1);
- // Handle timer.
- if (!n) {
-
- // Use local list of timers as timer handlers may fill new timers
- // into the original array.
- timers_t t;
- std::swap (timers, t);
-
- // Trigger all the timers.
- for (timers_t::iterator it = t.begin (); it != t.end (); it ++)
- (*it)->timer_event ();
-
- continue;
- }
-
for (int i = 0; i < n; i ++) {
fd_entry_t *fd_ptr = &fd_table [ev_buf [i].fd];
diff --git a/src/devpoll.hpp b/src/devpoll.hpp
index 019d268..2eaaeb2 100644
--- a/src/devpoll.hpp
+++ b/src/devpoll.hpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -22,21 +23,20 @@
#include "platform.hpp"
-#if defined ZMQ_HAVE_SOLARIS || ZMQ_HAVE_HPUX
+#if defined ZMQ_HAVE_SOLARIS || defined ZMQ_HAVE_HPUX
#include <vector>
#include "fd.hpp"
#include "thread.hpp"
-#include "atomic_counter.hpp"
+#include "poller_base.hpp"
namespace zmq
{
- // Implements socket polling mechanism using the Solaris-specific
- // "/dev/poll" interface.
+ // Implements socket polling mechanism using the "/dev/poll" interface.
- class devpoll_t
+ class devpoll_t : public poller_base_t
{
public:
@@ -52,9 +52,6 @@ namespace zmq
void reset_pollin (handle_t handle_);
void set_pollout (handle_t handle_);
void reset_pollout (handle_t handle_);
- void add_timer (struct i_poll_events *events_);
- void cancel_timer (struct i_poll_events *events_);
- int get_load ();
void start ();
void stop ();
@@ -77,7 +74,8 @@ namespace zmq
bool accepted;
};
- std::vector <fd_entry_t> fd_table;
+ typedef std::vector <fd_entry_t> fd_table_t;
+ fd_table_t fd_table;
typedef std::vector <fd_t> pending_list_t;
pending_list_t pending_list;
@@ -85,22 +83,14 @@ namespace zmq
// Pollset manipulation function.
void devpoll_ctl (fd_t fd_, short events_);
- // List of all the engines waiting for the timer event.
- typedef std::vector <struct i_poll_events*> timers_t;
- timers_t timers;
-
// If true, thread is in the process of shutting down.
bool stopping;
// Handle of the physical thread doing the I/O work.
thread_t worker;
- // Load of the poller. Currently number of file descriptors
- // registered with the poller.
- atomic_counter_t load;
-
devpoll_t (const devpoll_t&);
- void operator = (const devpoll_t&);
+ const devpoll_t &operator = (const devpoll_t&);
};
}
diff --git a/src/dist.cpp b/src/dist.cpp
new file mode 100644
index 0000000..e447bc1
--- /dev/null
+++ b/src/dist.cpp
@@ -0,0 +1,196 @@
+/*
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+
+ This file is part of 0MQ.
+
+ 0MQ is free software; you can redistribute it and/or modify it under
+ the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ 0MQ is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "../include/zmq.h"
+
+#include "dist.hpp"
+#include "pipe.hpp"
+#include "err.hpp"
+#include "own.hpp"
+#include "msg_content.hpp"
+
+zmq::dist_t::dist_t (own_t *sink_) :
+ active (0),
+ more (false),
+ sink (sink_),
+ terminating (false)
+{
+}
+
+zmq::dist_t::~dist_t ()
+{
+ zmq_assert (pipes.empty ());
+}
+
+void zmq::dist_t::attach (writer_t *pipe_)
+{
+ // If we are in the middle of sending a message, let's postpone plugging
+ // in the pipe.
+ if (!terminating && more) {
+ new_pipes.push_back (pipe_);
+ return;
+ }
+
+ pipe_->set_event_sink (this);
+
+ pipes.push_back (pipe_);
+ pipes.swap (active, pipes.size () - 1);
+ active++;
+
+ if (terminating) {
+ sink->register_term_acks (1);
+ pipe_->terminate ();
+ }
+}
+
+void zmq::dist_t::terminate ()
+{
+ zmq_assert (!terminating);
+ terminating = true;
+
+ sink->register_term_acks (pipes.size ());
+ for (pipes_t::size_type i = 0; i != pipes.size (); i++)
+ pipes [i]->terminate ();
+}
+
+void zmq::dist_t::terminated (writer_t *pipe_)
+{
+ // Remove the pipe from the list; adjust number of active pipes
+ // accordingly.
+ if (pipes.index (pipe_) < active)
+ active--;
+ pipes.erase (pipe_);
+
+ if (terminating)
+ sink->unregister_term_ack ();
+}
+
+void zmq::dist_t::activated (writer_t *pipe_)
+{
+ // Move the pipe to the list of active pipes.
+ pipes.swap (pipes.index (pipe_), active);
+ active++;
+}
+
+int zmq::dist_t::send (zmq_msg_t *msg_, int flags_)
+{
+ // Is this end of a multipart message?
+ bool msg_more = msg_->flags & ZMQ_MSG_MORE;
+
+ // Push the message to active pipes.
+ distribute (msg_, flags_);
+
+ // If mutlipart message is fully sent, activate new pipes.
+ if (more && !msg_more)
+ clear_new_pipes ();
+
+ more = msg_more;
+
+ return 0;
+}
+
+void zmq::dist_t::distribute (zmq_msg_t *msg_, int flags_)
+{
+ // If there are no active pipes available, simply drop the message.
+ if (active == 0) {
+ int rc = zmq_msg_close (msg_);
+ zmq_assert (rc == 0);
+ rc = zmq_msg_init (msg_);
+ zmq_assert (rc == 0);
+ return;
+ }
+
+ msg_content_t *content = (msg_content_t*) msg_->content;
+
+ // For VSMs the copying is straighforward.
+ if (content == (msg_content_t*) ZMQ_VSM) {
+ for (pipes_t::size_type i = 0; i < active;)
+ if (write (pipes [i], msg_))
+ i++;
+ int rc = zmq_msg_init (msg_);
+ zmq_assert (rc == 0);
+ return;
+ }
+
+ // Optimisation for the case when there's only a single pipe
+ // to send the message to - no refcount adjustment i.e. no atomic
+ // operations are needed.
+ if (active == 1) {
+ if (!write (pipes [0], msg_)) {
+ int rc = zmq_msg_close (msg_);
+ zmq_assert (rc == 0);
+ }
+ int rc = zmq_msg_init (msg_);
+ zmq_assert (rc == 0);
+ return;
+ }
+
+ // There are at least 2 destinations for the message. That means we have
+ // to deal with reference counting. First add N-1 references to
+ // the content (we are holding one reference anyway, that's why -1).
+ if (msg_->flags & ZMQ_MSG_SHARED)
+ content->refcnt.add (active - 1);
+ else {
+ content->refcnt.set (active);
+ msg_->flags |= ZMQ_MSG_SHARED;
+ }
+
+ // Push the message to all destinations.
+ for (pipes_t::size_type i = 0; i < active;) {
+ if (!write (pipes [i], msg_))
+ content->refcnt.sub (1);
+ else
+ i++;
+ }
+
+ // Detach the original message from the data buffer.
+ int rc = zmq_msg_init (msg_);
+ zmq_assert (rc == 0);
+}
+
+bool zmq::dist_t::has_out ()
+{
+ return true;
+}
+
+bool zmq::dist_t::write (class writer_t *pipe_, zmq_msg_t *msg_)
+{
+ if (!pipe_->write (msg_)) {
+ active--;
+ pipes.swap (pipes.index (pipe_), active);
+ return false;
+ }
+ if (!(msg_->flags & ZMQ_MSG_MORE))
+ pipe_->flush ();
+ return true;
+}
+
+void zmq::dist_t::clear_new_pipes ()
+{
+ for (new_pipes_t::iterator it = new_pipes.begin (); it != new_pipes.end ();
+ ++it) {
+ (*it)->set_event_sink (this);
+ pipes.push_back (*it);
+ pipes.swap (active, pipes.size () - 1);
+ active++;
+ }
+ new_pipes.clear ();
+}
+
diff --git a/src/dist.hpp b/src/dist.hpp
new file mode 100644
index 0000000..ad9767a
--- /dev/null
+++ b/src/dist.hpp
@@ -0,0 +1,92 @@
+/*
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+
+ This file is part of 0MQ.
+
+ 0MQ is free software; you can redistribute it and/or modify it under
+ the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ 0MQ is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __ZMQ_DIST_HPP_INCLUDED__
+#define __ZMQ_DIST_HPP_INCLUDED__
+
+#include <vector>
+
+#include "array.hpp"
+#include "pipe.hpp"
+
+namespace zmq
+{
+
+ // Class manages a set of outbound pipes. It sends each messages to
+ // each of them.
+ class dist_t : public i_writer_events
+ {
+ public:
+
+ dist_t (class own_t *sink_);
+ ~dist_t ();
+
+ void attach (writer_t *pipe_);
+ void terminate ();
+ int send (zmq_msg_t *msg_, int flags_);
+ bool has_out ();
+
+ // i_writer_events interface implementation.
+ void activated (writer_t *pipe_);
+ void terminated (writer_t *pipe_);
+
+ private:
+
+ // Write the message to the pipe. Make the pipe inactive if writing
+ // fails. In such a case false is returned.
+ bool write (class writer_t *pipe_, zmq_msg_t *msg_);
+
+ // Put the message to all active pipes.
+ void distribute (zmq_msg_t *msg_, int flags_);
+
+ // Plug in all the delayed pipes.
+ void clear_new_pipes ();
+
+ // List of outbound pipes.
+ typedef array_t <class writer_t> pipes_t;
+ pipes_t pipes;
+
+ // List of new pipes that were not yet inserted into 'pipes' list.
+ // These pipes are moves to 'pipes' list once the current multipart
+ // message is fully sent. This way we avoid sending incomplete messages
+ // to peers.
+ typedef std::vector <class writer_t*> new_pipes_t;
+ new_pipes_t new_pipes;
+
+ // Number of active pipes. All the active pipes are located at the
+ // beginning of the pipes array.
+ pipes_t::size_type active;
+
+ // True if last we are in the middle of a multipart message.
+ bool more;
+
+ // Object to send events to.
+ class own_t *sink;
+
+ // If true, termination process is already underway.
+ bool terminating;
+
+ dist_t (const dist_t&);
+ const dist_t &operator = (const dist_t&);
+ };
+
+}
+
+#endif
diff --git a/src/zmq_encoder.cpp b/src/encoder.cpp
index 077286f..88e1dff 100644
--- a/src/zmq_encoder.cpp
+++ b/src/encoder.cpp
@@ -1,58 +1,59 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#include "zmq_encoder.hpp"
+#include "encoder.hpp"
#include "i_inout.hpp"
#include "wire.hpp"
-zmq::zmq_encoder_t::zmq_encoder_t (size_t bufsize_) :
- encoder_t <zmq_encoder_t> (bufsize_),
+zmq::encoder_t::encoder_t (size_t bufsize_) :
+ encoder_base_t <encoder_t> (bufsize_),
source (NULL)
{
zmq_msg_init (&in_progress);
// Write 0 bytes to the batch and go to message_ready state.
- next_step (NULL, 0, &zmq_encoder_t::message_ready, true);
+ next_step (NULL, 0, &encoder_t::message_ready, true);
}
-zmq::zmq_encoder_t::~zmq_encoder_t ()
+zmq::encoder_t::~encoder_t ()
{
zmq_msg_close (&in_progress);
}
-void zmq::zmq_encoder_t::set_inout (i_inout *source_)
+void zmq::encoder_t::set_inout (i_inout *source_)
{
source = source_;
}
-bool zmq::zmq_encoder_t::size_ready ()
+bool zmq::encoder_t::size_ready ()
{
// Write message body into the buffer.
next_step (zmq_msg_data (&in_progress), zmq_msg_size (&in_progress),
- &zmq_encoder_t::message_ready, false);
+ &encoder_t::message_ready, false);
return true;
}
-bool zmq::zmq_encoder_t::message_ready ()
+bool zmq::encoder_t::message_ready ()
{
// Destroy content of the old message.
- zmq_msg_close(&in_progress);
+ zmq_msg_close (&in_progress);
// Read new message. If there is none, return false.
// Note that new state is set only if write is successful. That way
@@ -75,14 +76,14 @@ bool zmq::zmq_encoder_t::message_ready ()
if (size < 255) {
tmpbuf [0] = (unsigned char) size;
tmpbuf [1] = (in_progress.flags & ~ZMQ_MSG_SHARED);
- next_step (tmpbuf, 2, &zmq_encoder_t::size_ready,
+ next_step (tmpbuf, 2, &encoder_t::size_ready,
!(in_progress.flags & ZMQ_MSG_MORE));
}
else {
tmpbuf [0] = 0xff;
put_uint64 (tmpbuf + 1, size);
tmpbuf [9] = (in_progress.flags & ~ZMQ_MSG_SHARED);
- next_step (tmpbuf, 10, &zmq_encoder_t::size_ready,
+ next_step (tmpbuf, 10, &encoder_t::size_ready,
!(in_progress.flags & ZMQ_MSG_MORE));
}
return true;
diff --git a/src/encoder.hpp b/src/encoder.hpp
index 0d5b6ba..918ec2b 100644
--- a/src/encoder.hpp
+++ b/src/encoder.hpp
@@ -1,30 +1,26 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __ZMQ_ENCODER_HPP_INCLUDED__
#define __ZMQ_ENCODER_HPP_INCLUDED__
-#include "platform.hpp"
-#if defined ZMQ_HAVE_WINDOWS
-#include "windows.hpp"
-#endif
-
#include <stddef.h>
#include <string.h>
#include <stdlib.h>
@@ -32,6 +28,8 @@
#include "err.hpp"
+#include "../include/zmq.h"
+
namespace zmq
{
@@ -39,20 +37,20 @@ namespace zmq
// fills the outgoing buffer. Derived classes should implement individual
// state machine actions.
- template <typename T> class encoder_t
+ template <typename T> class encoder_base_t
{
public:
- inline encoder_t (size_t bufsize_) :
+ inline encoder_base_t (size_t bufsize_) :
bufsize (bufsize_)
{
buf = (unsigned char*) malloc (bufsize_);
- zmq_assert (buf);
+ alloc_assert (buf);
}
- // The destructor doesn't have to be virtual. It is mad virtual
+ // The destructor doesn't have to be virtual. It is made virtual
// just to keep ICC and code checking tools from complaining.
- inline virtual ~encoder_t ()
+ inline virtual ~encoder_base_t ()
{
free (buf);
}
@@ -153,10 +151,34 @@ namespace zmq
size_t bufsize;
unsigned char *buf;
- encoder_t (const encoder_t&);
- void operator = (const encoder_t&);
+ encoder_base_t (const encoder_base_t&);
+ void operator = (const encoder_base_t&);
};
+ // Encoder for 0MQ framing protocol. Converts messages into data batches.
+
+ class encoder_t : public encoder_base_t <encoder_t>
+ {
+ public:
+
+ encoder_t (size_t bufsize_);
+ ~encoder_t ();
+
+ void set_inout (struct i_inout *source_);
+
+ private:
+
+ bool size_ready ();
+ bool message_ready ();
+
+ struct i_inout *source;
+ ::zmq_msg_t in_progress;
+ unsigned char tmpbuf [10];
+
+ encoder_t (const encoder_t&);
+ const encoder_t &operator = (const encoder_t&);
+ };
}
#endif
+
diff --git a/src/epoll.cpp b/src/epoll.cpp
index e22eb8c..2c84f8c 100644
--- a/src/epoll.cpp
+++ b/src/epoll.cpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -45,18 +46,15 @@ zmq::epoll_t::~epoll_t ()
// Wait till the worker thread exits.
worker.stop ();
- // Make sure there are no fds registered on shutdown.
- zmq_assert (load.get () == 0);
-
close (epoll_fd);
- for (retired_t::iterator it = retired.begin (); it != retired.end (); it ++)
+ for (retired_t::iterator it = retired.begin (); it != retired.end (); ++it)
delete *it;
}
zmq::epoll_t::handle_t zmq::epoll_t::add_fd (fd_t fd_, i_poll_events *events_)
{
poll_entry_t *pe = new (std::nothrow) poll_entry_t;
- zmq_assert (pe != NULL);
+ alloc_assert (pe);
// The memset is not actually needed. It's here to prevent debugging
// tools to complain about using uninitialised memory.
@@ -71,7 +69,7 @@ zmq::epoll_t::handle_t zmq::epoll_t::add_fd (fd_t fd_, i_poll_events *events_)
errno_assert (rc != -1);
// Increase the load metric of the thread.
- load.add (1);
+ adjust_load (1);
return pe;
}
@@ -85,7 +83,7 @@ void zmq::epoll_t::rm_fd (handle_t handle_)
retired.push_back (pe);
// Decrease the load metric of the thread.
- load.sub (1);
+ adjust_load (-1);
}
void zmq::epoll_t::set_pollin (handle_t handle_)
@@ -120,24 +118,6 @@ void zmq::epoll_t::reset_pollout (handle_t handle_)
errno_assert (rc != -1);
}
-void zmq::epoll_t::add_timer (i_poll_events *events_)
-{
- timers.push_back (events_);
-}
-
-void zmq::epoll_t::cancel_timer (i_poll_events *events_)
-{
- timers_t::iterator it = std::find (timers.begin (), timers.end (), events_);
- if (it == timers.end ())
- return;
- timers.erase (it);
-}
-
-int zmq::epoll_t::get_load ()
-{
- return load.get ();
-}
-
void zmq::epoll_t::start ()
{
worker.start (worker_routine, this);
@@ -154,31 +134,15 @@ void zmq::epoll_t::loop ()
while (!stopping) {
- // Wait for events.
- int n;
- while (true) {
- n = epoll_wait (epoll_fd, &ev_buf [0], max_io_events,
- timers.empty () ? -1 : max_timer_period);
- if (!(n == -1 && errno == EINTR)) {
- errno_assert (n != -1);
- break;
- }
- }
-
- // Handle timer.
- if (!n) {
-
- // Use local list of timers as timer handlers may fill new timers
- // into the original array.
- timers_t t;
- std::swap (timers, t);
-
- // Trigger all the timers.
- for (timers_t::iterator it = t.begin (); it != t.end (); it ++)
- (*it)->timer_event ();
+ // Execute any due timers.
+ int timeout = (int) execute_timers ();
+ // Wait for events.
+ int n = epoll_wait (epoll_fd, &ev_buf [0], max_io_events,
+ timeout ? timeout : -1);
+ if (n == -1 && errno == EINTR)
continue;
- }
+ errno_assert (n != -1);
for (int i = 0; i < n; i ++) {
poll_entry_t *pe = ((poll_entry_t*) ev_buf [i].data.ptr);
@@ -199,7 +163,7 @@ void zmq::epoll_t::loop ()
// Destroy retired event sources.
for (retired_t::iterator it = retired.begin (); it != retired.end ();
- it ++)
+ ++it)
delete *it;
retired.clear ();
}
diff --git a/src/epoll.hpp b/src/epoll.hpp
index 38175cb..7e5195e 100644
--- a/src/epoll.hpp
+++ b/src/epoll.hpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -29,7 +30,7 @@
#include "fd.hpp"
#include "thread.hpp"
-#include "atomic_counter.hpp"
+#include "poller_base.hpp"
namespace zmq
{
@@ -37,7 +38,7 @@ namespace zmq
// This class implements socket polling mechanism using the Linux-specific
// epoll mechanism.
- class epoll_t
+ class epoll_t : public poller_base_t
{
public:
@@ -53,9 +54,6 @@ namespace zmq
void reset_pollin (handle_t handle_);
void set_pollout (handle_t handle_);
void reset_pollout (handle_t handle_);
- void add_timer (struct i_poll_events *events_);
- void cancel_timer (struct i_poll_events *events_);
- int get_load ();
void start ();
void stop ();
@@ -81,22 +79,14 @@ namespace zmq
typedef std::vector <poll_entry_t*> retired_t;
retired_t retired;
- // List of all the engines waiting for the timer event.
- typedef std::vector <struct i_poll_events*> timers_t;
- timers_t timers;
-
// If true, thread is in the process of shutting down.
bool stopping;
// Handle of the physical thread doing the I/O work.
thread_t worker;
- // Load of the poller. Currently number of file descriptors
- // registered with the poller.
- atomic_counter_t load;
-
epoll_t (const epoll_t&);
- void operator = (const epoll_t&);
+ const epoll_t &operator = (const epoll_t&);
};
}
diff --git a/src/err.cpp b/src/err.cpp
index 17a9689..8761c22 100644
--- a/src/err.cpp
+++ b/src/err.cpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -22,6 +23,47 @@
#include "err.hpp"
#include "platform.hpp"
+const char *zmq::errno_to_string (int errno_)
+{
+ switch (errno_) {
+#if defined ZMQ_HAVE_WINDOWS
+ case ENOTSUP:
+ return "Not supported";
+ case EPROTONOSUPPORT:
+ return "Protocol not supported";
+ case ENOBUFS:
+ return "No buffer space available";
+ case ENETDOWN:
+ return "Network is down";
+ case EADDRINUSE:
+ return "Address in use";
+ case EADDRNOTAVAIL:
+ return "Address not available";
+ case ECONNREFUSED:
+ return "Connection refused";
+ case EINPROGRESS:
+ return "Operation in progress";
+#endif
+ case EFSM:
+ return "Operation cannot be accomplished in current state";
+ case ENOCOMPATPROTO:
+ return "The protocol is not compatible with the socket type";
+ case ETERM:
+ return "Context was terminated";
+ case EMTHREAD:
+ return "No thread available";
+ default:
+#if defined _MSC_VER
+#pragma warning (push)
+#pragma warning (disable:4996)
+#endif
+ return strerror (errno_);
+#if defined _MSC_VER
+#pragma warning (pop)
+#endif
+ }
+}
+
#ifdef ZMQ_HAVE_WINDOWS
const char *zmq::wsa_error()
diff --git a/src/err.hpp b/src/err.hpp
index 2b76569..3ffd99d 100644
--- a/src/err.hpp
+++ b/src/err.hpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -35,15 +36,18 @@
#include <netdb.h>
#endif
+namespace zmq
+{
+ const char *errno_to_string (int errno_);
+}
+
#ifdef ZMQ_HAVE_WINDOWS
namespace zmq
{
-
const char *wsa_error ();
void win_error (char *buffer_, size_t buffer_size_);
- void wsa_error_to_errno ();
-
+ void wsa_error_to_errno ();
}
// Provides convenient way to check WSA-style errors on Windows.
@@ -95,7 +99,7 @@ namespace zmq
}\
} while (false)
-// Provides convenient way to check for POSIX errors.
+// Provides convenient way to check for POSIX errors.
#define posix_assert(x) \
do {\
if (unlikely (x)) {\
@@ -104,7 +108,7 @@ namespace zmq
}\
} while (false)
-// Provides convenient way to check for errors from getaddrinfo.
+// Provides convenient way to check for errors from getaddrinfo.
#define gai_assert(x) \
do {\
if (unlikely (x)) {\
@@ -114,10 +118,16 @@ namespace zmq
}\
} while (false)
-#endif
-
-#define zmq_not_implemented() \
+// Provides convenient way to check whether memory allocation have succeeded.
+#define alloc_assert(x) \
do {\
- fprintf (stderr, "Hic sunt leones (%s:%d)\n", __FILE__, __LINE__);\
- abort ();\
+ if (unlikely (!x)) {\
+ fprintf (stderr, "FATAL ERROR: OUT OF MEMORY (%s:%d)\n",\
+ __FILE__, __LINE__);\
+ abort ();\
+ }\
} while (false)
+
+#endif
+
+
diff --git a/src/fd.hpp b/src/fd.hpp
index 6ad8252..3b15024 100644
--- a/src/fd.hpp
+++ b/src/fd.hpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
diff --git a/src/forwarder.cpp b/src/forwarder.cpp
deleted file mode 100644
index d1f324e..0000000
--- a/src/forwarder.cpp
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- Copyright (c) 2007-2010 iMatix Corporation
-
- This file is part of 0MQ.
-
- 0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- 0MQ is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
-
- You should have received a copy of the Lesser GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include "../include/zmq.h"
-
-#include "forwarder.hpp"
-#include "socket_base.hpp"
-#include "likely.hpp"
-#include "err.hpp"
-
-int zmq::forwarder (socket_base_t *insocket_, socket_base_t *outsocket_)
-{
- zmq_msg_t msg;
- int rc = zmq_msg_init (&msg);
- errno_assert (rc == 0);
-
- int64_t more;
- size_t more_sz = sizeof (more);
-
- while (true) {
- rc = insocket_->recv (&msg, 0);
- if (unlikely (rc < 0)) {
- if (errno == ETERM)
- return -1;
- errno_assert (false);
- }
-
- rc = insocket_->getsockopt (ZMQ_RCVMORE, &more, &more_sz);
- if (unlikely (rc < 0)) {
- if (errno == ETERM)
- return -1;
- errno_assert (false);
- }
-
- rc = outsocket_->send (&msg, more ? ZMQ_SNDMORE : 0);
- if (unlikely (rc < 0)) {
- if (errno == ETERM)
- return -1;
- errno_assert (false);
- }
- }
-
- return 0;
-}
diff --git a/src/forwarder.hpp b/src/forwarder.hpp
deleted file mode 100644
index 68827a4..0000000
--- a/src/forwarder.hpp
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- Copyright (c) 2007-2010 iMatix Corporation
-
- This file is part of 0MQ.
-
- 0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- 0MQ is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
-
- You should have received a copy of the Lesser GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#ifndef __ZMQ_FORWARDER_HPP_INCLUDED__
-#define __ZMQ_FORWARDER_HPP_INCLUDED__
-
-namespace zmq
-{
-
- int forwarder (class socket_base_t *insocket_,
- class socket_base_t *outsocket_);
-
-}
-
-#endif
diff --git a/src/fq.cpp b/src/fq.cpp
index 9028853..36fd435 100644
--- a/src/fq.cpp
+++ b/src/fq.cpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -22,29 +23,42 @@
#include "fq.hpp"
#include "pipe.hpp"
#include "err.hpp"
+#include "own.hpp"
-zmq::fq_t::fq_t () :
+zmq::fq_t::fq_t (own_t *sink_) :
active (0),
current (0),
- more (false)
+ more (false),
+ sink (sink_),
+ terminating (false)
{
}
zmq::fq_t::~fq_t ()
{
- for (pipes_t::size_type i = 0; i != pipes.size (); i++)
- pipes [i]->term ();
+ zmq_assert (pipes.empty ());
}
void zmq::fq_t::attach (reader_t *pipe_)
{
+ pipe_->set_event_sink (this);
+
pipes.push_back (pipe_);
pipes.swap (active, pipes.size () - 1);
active++;
+
+ // If we are already terminating, ask the pipe to terminate straight away.
+ if (terminating) {
+ sink->register_term_acks (1);
+ pipe_->terminate ();
+ }
}
-void zmq::fq_t::detach (reader_t *pipe_)
+void zmq::fq_t::terminated (reader_t *pipe_)
{
+ // TODO: This is a problem with session-initiated termination. It breaks
+ // message atomicity. However, for socket initiated termination it's
+ // just fine.
zmq_assert (!more || pipes [current] != pipe_);
// Remove the pipe from the list; adjust number of active pipes
@@ -55,18 +69,26 @@ void zmq::fq_t::detach (reader_t *pipe_)
current = 0;
}
pipes.erase (pipe_);
+
+ if (terminating)
+ sink->unregister_term_ack ();
}
-void zmq::fq_t::kill (reader_t *pipe_)
+void zmq::fq_t::delimited (reader_t *pipe_)
{
- // Move the pipe to the list of inactive pipes.
- active--;
- if (current == active)
- current = 0;
- pipes.swap (pipes.index (pipe_), active);
}
-void zmq::fq_t::revive (reader_t *pipe_)
+void zmq::fq_t::terminate ()
+{
+ zmq_assert (!terminating);
+ terminating = true;
+
+ sink->register_term_acks (pipes.size ());
+ for (pipes_t::size_type i = 0; i != pipes.size (); i++)
+ pipes [i]->terminate ();
+}
+
+void zmq::fq_t::activated (reader_t *pipe_)
{
// Move the pipe to the list of active pipes.
pipes.swap (pipes.index (pipe_), active);
@@ -84,10 +106,14 @@ int zmq::fq_t::recv (zmq_msg_t *msg_, int flags_)
// Try to fetch new message. If we've already read part of the message
// subsequent part should be immediately available.
bool fetched = pipes [current]->read (msg_);
+
+ // Check the atomicity of the message. If we've already received the
+ // first part of the message we should get the remaining parts
+ // without blocking.
zmq_assert (!(more && !fetched));
- // Note that when message is not fetched, current pipe is killed and
- // replaced by another active pipe. Thus we don't have to increase
+ // Note that when message is not fetched, current pipe is deactivated
+ // and replaced by another active pipe. Thus we don't have to increase
// the 'current' pointer.
if (fetched) {
more = msg_->flags & ZMQ_MSG_MORE;
@@ -98,6 +124,12 @@ int zmq::fq_t::recv (zmq_msg_t *msg_, int flags_)
}
return 0;
}
+ else {
+ active--;
+ pipes.swap (current, active);
+ if (current == active)
+ current = 0;
+ }
}
// No message is available. Initialise the output parameter
@@ -120,8 +152,11 @@ bool zmq::fq_t::has_in ()
for (int count = active; count != 0; count--) {
if (pipes [current]->check_read ())
return true;
- current++;
- if (current >= active)
+
+ // Deactivate the pipe.
+ active--;
+ pipes.swap (current, active);
+ if (current == active)
current = 0;
}
diff --git a/src/fq.hpp b/src/fq.hpp
index 5c699ee..8c6c95c 100644
--- a/src/fq.hpp
+++ b/src/fq.hpp
@@ -1,26 +1,28 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __ZMQ_FQ_HPP_INCLUDED__
#define __ZMQ_FQ_HPP_INCLUDED__
-#include "yarray.hpp"
+#include "array.hpp"
+#include "pipe.hpp"
namespace zmq
{
@@ -28,24 +30,28 @@ namespace zmq
// Class manages a set of inbound pipes. On receive it performs fair
// queueing (RFC970) so that senders gone berserk won't cause denial of
// service for decent senders.
- class fq_t
+ class fq_t : public i_reader_events
{
public:
- fq_t ();
+ fq_t (class own_t *sink_);
~fq_t ();
- void attach (class reader_t *pipe_);
- void detach (class reader_t *pipe_);
- void kill (class reader_t *pipe_);
- void revive (class reader_t *pipe_);
+ void attach (reader_t *pipe_);
+ void terminate ();
+
int recv (zmq_msg_t *msg_, int flags_);
bool has_in ();
+ // i_reader_events implementation.
+ void activated (reader_t *pipe_);
+ void terminated (reader_t *pipe_);
+ void delimited (reader_t *pipe_);
+
private:
// Inbound pipes.
- typedef yarray_t <class reader_t> pipes_t;
+ typedef array_t <reader_t> pipes_t;
pipes_t pipes;
// Number of active pipes. All the active pipes are located at the
@@ -59,8 +65,14 @@ namespace zmq
// there are following parts still waiting in the current pipe.
bool more;
+ // Object to send events to.
+ class own_t *sink;
+
+ // If true, termination process is already underway.
+ bool terminating;
+
fq_t (const fq_t&);
- void operator = (const fq_t&);
+ const fq_t &operator = (const fq_t&);
};
}
diff --git a/src/i_endpoint.hpp b/src/i_endpoint.hpp
deleted file mode 100644
index 0d14224..0000000
--- a/src/i_endpoint.hpp
+++ /dev/null
@@ -1,43 +0,0 @@
-/*
- Copyright (c) 2007-2010 iMatix Corporation
-
- This file is part of 0MQ.
-
- 0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- 0MQ is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
-
- You should have received a copy of the Lesser GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#ifndef __ZMQ_I_ENDPOINT_HPP_INCLUDED__
-#define __ZMQ_I_ENDPOINT_HPP_INCLUDED__
-
-#include "blob.hpp"
-
-namespace zmq
-{
-
- struct i_endpoint
- {
- virtual ~i_endpoint () {}
-
- virtual void attach_pipes (class reader_t *inpipe_,
- class writer_t *outpipe_, const blob_t &peer_identity_) = 0;
- virtual void detach_inpipe (class reader_t *pipe_) = 0;
- virtual void detach_outpipe (class writer_t *pipe_) = 0;
- virtual void kill (class reader_t *pipe_) = 0;
- virtual void revive (class reader_t *pipe_) = 0;
- virtual void revive (class writer_t *pipe_) = 0;
- };
-
-}
-
-#endif
diff --git a/src/i_engine.hpp b/src/i_engine.hpp
index ea6b850..7bd4ea6 100644
--- a/src/i_engine.hpp
+++ b/src/i_engine.hpp
@@ -1,27 +1,26 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __ZMQ_I_ENGINE_HPP_INCLUDED__
#define __ZMQ_I_ENGINE_HPP_INCLUDED__
-#include <stddef.h>
-
namespace zmq
{
@@ -30,18 +29,23 @@ namespace zmq
virtual ~i_engine () {}
// Plug the engine to the session.
- virtual void plug (struct i_inout *inout_) = 0;
+ virtual void plug (class io_thread_t *io_thread_,
+ struct i_inout *inout_) = 0;
// Unplug the engine from the session.
virtual void unplug () = 0;
- // This method is called by the session to signalise that there
- // are messages to send available.
- virtual void revive () = 0;
+ // Terminate and deallocate the engine. Note that 'detached'
+ // events are not fired on termination.
+ virtual void terminate () = 0;
// This method is called by the session to signalise that more
// messages can be written to the pipe.
- virtual void resume_input () = 0;
+ virtual void activate_in () = 0;
+
+ // This method is called by the session to signalise that there
+ // are messages to send available.
+ virtual void activate_out () = 0;
};
}
diff --git a/src/i_inout.hpp b/src/i_inout.hpp
index 21d1838..057b46c 100644
--- a/src/i_inout.hpp
+++ b/src/i_inout.hpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -31,28 +32,17 @@ namespace zmq
{
virtual ~i_inout () {}
- // Engine asks to get a message to send to the network.
+ // Engine asks for a message to send to the network.
virtual bool read (::zmq_msg_t *msg_) = 0;
- // Engine sends the incoming message further on downstream.
+ // Engine received message from the network and sends it further on.
virtual bool write (::zmq_msg_t *msg_) = 0;
- // Flush all the previously written messages downstream.
+ // Flush all the previously written messages.
virtual void flush () = 0;
-
- // Drop all the references to the engine. The parameter is the object
- // to use to reconnect. If reconnection is not required, the argument
- // is set to NULL.
- virtual void detach (class owned_t *reconnecter_) = 0;
- // Returns least loaded I/O thread.
- virtual class io_thread_t *get_io_thread () = 0;
-
- // Return pointer to the owning socket.
- virtual class socket_base_t *get_owner () = 0;
-
- // Return ordinal number of the session.
- virtual uint64_t get_ordinal () = 0;
+ // Engine is dead. Drop all the references to it.
+ virtual void detach () = 0;
};
}
diff --git a/src/i_poll_events.hpp b/src/i_poll_events.hpp
index 6d474b2..fa9fb25 100644
--- a/src/i_poll_events.hpp
+++ b/src/i_poll_events.hpp
@@ -1,20 +1,21 @@
/*
-Copyright (c) 2007-2010 iMatix Corporation
-
-This file is part of 0MQ.
-
-0MQ is free software; you can redistribute it and/or modify it under
-the terms of the Lesser GNU General Public License as published by
-the Free Software Foundation; either version 3 of the License, or
-(at your option) any later version.
-
-0MQ is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-Lesser GNU General Public License for more details.
-
-You should have received a copy of the Lesser GNU General Public License
-along with this program. If not, see <http://www.gnu.org/licenses/>.
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+
+ This file is part of 0MQ.
+
+ 0MQ is free software; you can redistribute it and/or modify it under
+ the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ 0MQ is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __ZMQ_I_POLL_EVENTS_HPP_INCLUDED__
@@ -37,7 +38,7 @@ namespace zmq
virtual void out_event () = 0;
// Called when timer expires.
- virtual void timer_event () = 0;
+ virtual void timer_event (int id_) = 0;
};
}
diff --git a/src/io_object.cpp b/src/io_object.cpp
index 086f173..e68917c 100644
--- a/src/io_object.cpp
+++ b/src/io_object.cpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -21,21 +22,35 @@
#include "io_thread.hpp"
#include "err.hpp"
-zmq::io_object_t::io_object_t (io_thread_t *io_thread_)
+zmq::io_object_t::io_object_t (io_thread_t *io_thread_) :
+ poller (NULL)
{
- // Retrieve the poller from the thread we are running in.
- poller = io_thread_->get_poller ();
+ if (io_thread_)
+ plug (io_thread_);
}
zmq::io_object_t::~io_object_t ()
{
}
-void zmq::io_object_t::set_io_thread (io_thread_t *io_thread_)
+void zmq::io_object_t::plug (io_thread_t *io_thread_)
{
+ zmq_assert (io_thread_);
+ zmq_assert (!poller);
+
+ // Retrieve the poller from the thread we are running in.
poller = io_thread_->get_poller ();
}
+void zmq::io_object_t::unplug ()
+{
+ zmq_assert (poller);
+
+ // Forget about old poller in preparation to be migrated
+ // to a different I/O thread.
+ poller = NULL;
+}
+
zmq::io_object_t::handle_t zmq::io_object_t::add_fd (fd_t fd_)
{
return poller->add_fd (fd_, this);
@@ -66,14 +81,14 @@ void zmq::io_object_t::reset_pollout (handle_t handle_)
poller->reset_pollout (handle_);
}
-void zmq::io_object_t::add_timer ()
+void zmq::io_object_t::add_timer (int timeout_, int id_)
{
- poller->add_timer (this);
+ poller->add_timer (timeout_, this, id_);
}
-void zmq::io_object_t::cancel_timer ()
+void zmq::io_object_t::cancel_timer (int id_)
{
- poller->cancel_timer (this);
+ poller->cancel_timer (this, id_);
}
void zmq::io_object_t::in_event ()
@@ -86,7 +101,7 @@ void zmq::io_object_t::out_event ()
zmq_assert (false);
}
-void zmq::io_object_t::timer_event ()
+void zmq::io_object_t::timer_event (int id_)
{
zmq_assert (false);
}
diff --git a/src/io_object.hpp b/src/io_object.hpp
index 655e7f5..fb0d1e3 100644
--- a/src/io_object.hpp
+++ b/src/io_object.hpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -40,15 +41,15 @@ namespace zmq
io_object_t (class io_thread_t *io_thread_ = NULL);
~io_object_t ();
+ // When migrating an object from one I/O thread to another, first
+ // unplug it, then migrate it, then plug it to the new thread.
+ void plug (class io_thread_t *io_thread_);
+ void unplug ();
+
protected:
typedef poller_t::handle_t handle_t;
- // Derived class can init/swap the underlying I/O thread.
- // Caution: Remove all the file descriptors from the old I/O thread
- // before swapping to the new one!
- void set_io_thread (class io_thread_t *io_thread_);
-
// Methods to access underlying poller object.
handle_t add_fd (fd_t fd_);
void rm_fd (handle_t handle_);
@@ -56,20 +57,20 @@ namespace zmq
void reset_pollin (handle_t handle_);
void set_pollout (handle_t handle_);
void reset_pollout (handle_t handle_);
- void add_timer ();
- void cancel_timer ();
+ void add_timer (int timout_, int id_);
+ void cancel_timer (int id_);
// i_poll_events interface implementation.
void in_event ();
void out_event ();
- void timer_event ();
+ void timer_event (int id_);
private:
poller_t *poller;
io_object_t (const io_object_t&);
- void operator = (const io_object_t&);
+ const io_object_t &operator = (const io_object_t&);
};
}
diff --git a/src/io_thread.cpp b/src/io_thread.cpp
index fac6961..be52bdd 100644
--- a/src/io_thread.cpp
+++ b/src/io_thread.cpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -26,15 +27,14 @@
#include "err.hpp"
#include "ctx.hpp"
-zmq::io_thread_t::io_thread_t (ctx_t *ctx_,
- uint32_t thread_slot_) :
- object_t (ctx_, thread_slot_)
+zmq::io_thread_t::io_thread_t (ctx_t *ctx_, uint32_t tid_) :
+ object_t (ctx_, tid_)
{
poller = new (std::nothrow) poller_t;
- zmq_assert (poller);
+ alloc_assert (poller);
- signaler_handle = poller->add_fd (signaler.get_fd (), this);
- poller->set_pollin (signaler_handle);
+ mailbox_handle = poller->add_fd (mailbox.get_fd (), this);
+ poller->set_pollin (mailbox_handle);
}
zmq::io_thread_t::~io_thread_t ()
@@ -53,9 +53,9 @@ void zmq::io_thread_t::stop ()
send_stop ();
}
-zmq::signaler_t *zmq::io_thread_t::get_signaler ()
+zmq::mailbox_t *zmq::io_thread_t::get_mailbox ()
{
- return &signaler;
+ return &mailbox;
}
int zmq::io_thread_t::get_load ()
@@ -72,8 +72,12 @@ void zmq::io_thread_t::in_event ()
// Get the next command. If there is none, exit.
command_t cmd;
- if (!signaler.recv (&cmd, false))
+ int rc = mailbox.recv (&cmd, false);
+ if (rc != 0 && errno == EINTR)
+ continue;
+ if (rc != 0 && errno == EAGAIN)
break;
+ errno_assert (rc == 0);
// Process the command.
cmd.destination->process_command (cmd);
@@ -86,7 +90,7 @@ void zmq::io_thread_t::out_event ()
zmq_assert (false);
}
-void zmq::io_thread_t::timer_event ()
+void zmq::io_thread_t::timer_event (int id_)
{
// No timers here. This function is never called.
zmq_assert (false);
@@ -100,6 +104,6 @@ zmq::poller_t *zmq::io_thread_t::get_poller ()
void zmq::io_thread_t::process_stop ()
{
- poller->rm_fd (signaler_handle);
+ poller->rm_fd (mailbox_handle);
poller->stop ();
}
diff --git a/src/io_thread.hpp b/src/io_thread.hpp
index 3d832c0..f578d4e 100644
--- a/src/io_thread.hpp
+++ b/src/io_thread.hpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -26,7 +27,7 @@
#include "object.hpp"
#include "poller.hpp"
#include "i_poll_events.hpp"
-#include "signaler.hpp"
+#include "mailbox.hpp"
namespace zmq
{
@@ -38,7 +39,7 @@ namespace zmq
{
public:
- io_thread_t (class ctx_t *ctx_, uint32_t thread_slot_);
+ io_thread_t (class ctx_t *ctx_, uint32_t tid_);
// Clean-up. If the thread was started, it's neccessary to call 'stop'
// before invoking destructor. Otherwise the destructor would hang up.
@@ -50,13 +51,13 @@ namespace zmq
// Ask underlying thread to stop.
void stop ();
- // Returns signaler associated with this I/O thread.
- signaler_t *get_signaler ();
+ // Returns mailbox associated with this I/O thread.
+ mailbox_t *get_mailbox ();
// i_poll_events implementation.
void in_event ();
void out_event ();
- void timer_event ();
+ void timer_event (int id_);
// Used by io_objects to retrieve the assciated poller object.
poller_t *get_poller ();
@@ -69,15 +70,17 @@ namespace zmq
private:
- // Poll thread gets notifications about incoming commands using
- // this signaler.
- signaler_t signaler;
+ // I/O thread accesses incoming commands via this mailbox.
+ mailbox_t mailbox;
- // Handle associated with signaler's file descriptor.
- poller_t::handle_t signaler_handle;
+ // Handle associated with mailbox' file descriptor.
+ poller_t::handle_t mailbox_handle;
// I/O multiplexing is performed using a poller object.
poller_t *poller;
+
+ io_thread_t (const io_thread_t&);
+ const io_thread_t &operator = (const io_thread_t&);
};
}
diff --git a/src/ip.cpp b/src/ip.cpp
index f491008..a63a97d 100644
--- a/src/ip.cpp
+++ b/src/ip.cpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -22,6 +23,8 @@
#include <stdlib.h>
#include <string>
+#include "../include/zmq.h"
+
#include "ip.hpp"
#include "platform.hpp"
#include "err.hpp"
@@ -50,7 +53,7 @@ static int resolve_nic_name (in_addr* addr_, char const *interface_)
// Allocate memory to get interface names.
size_t ifr_size = sizeof (struct lifreq) * ifn.lifn_count;
char *ifr = (char*) malloc (ifr_size);
- errno_assert (ifr);
+ alloc_assert (ifr);
// Retrieve interface names.
lifconf ifc;
@@ -228,10 +231,13 @@ int zmq::resolve_ip_interface (sockaddr_storage* addr_, socklen_t *addr_len_,
}
// There's no such interface name. Assume literal address.
+#if defined ZMQ_HAVE_OPENVMS && defined __ia64
+ __addrinfo64 *res = NULL;
+ __addrinfo64 req;
+#else
addrinfo *res = NULL;
-
- // Set up the query.
addrinfo req;
+#endif
memset (&req, 0, sizeof (req));
// We only support IPv4 addresses for now.
@@ -311,11 +317,13 @@ int zmq::resolve_ip_hostname (sockaddr_storage *addr_, socklen_t *addr_len_,
return 0;
}
-#if !defined ZMQ_HAVE_WINDOWS && !defined ZMQ_HAVE_OPENVMS
-
int zmq::resolve_local_path (sockaddr_storage *addr_, socklen_t *addr_len_,
const char *path_)
{
+#if defined ZMQ_HAVE_WINDOWS || defined ZMQ_HAVE_OPENVMS
+ errno = EPROTONOSUPPORT;
+ return -1;
+#else
sockaddr_un *un = (sockaddr_un*) addr_;
if (strlen (path_) >= sizeof (un->sun_path))
{
@@ -326,7 +334,6 @@ int zmq::resolve_local_path (sockaddr_storage *addr_, socklen_t *addr_len_,
un->sun_family = AF_UNIX;
*addr_len_ = sizeof (sockaddr_un);
return 0;
-}
-
#endif
+}
diff --git a/src/ip.hpp b/src/ip.hpp
index d963df2..ec2db43 100644
--- a/src/ip.hpp
+++ b/src/ip.hpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -59,11 +60,9 @@ namespace zmq
int resolve_ip_hostname (sockaddr_storage *addr_, socklen_t *addr_len_,
const char *hostname_);
-#if !defined ZMQ_HAVE_WINDOWS && !defined ZMQ_HAVE_OPENVMS
// This function sets up address for UNIX domain transport.
int resolve_local_path (sockaddr_storage *addr_, socklen_t *addr_len_,
const char* pathname_);
-#endif
}
#endif
diff --git a/src/kqueue.cpp b/src/kqueue.cpp
index e1fe2fa..e28ecd7 100644
--- a/src/kqueue.cpp
+++ b/src/kqueue.cpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -54,10 +55,6 @@ zmq::kqueue_t::kqueue_t () :
zmq::kqueue_t::~kqueue_t ()
{
worker.stop ();
-
- // Make sure there are no fds registered on shutdown.
- zmq_assert (load.get () == 0);
-
close (kqueue_fd);
}
@@ -74,7 +71,7 @@ void zmq::kqueue_t::kevent_delete (fd_t fd_, short filter_)
{
struct kevent ev;
- EV_SET (&ev, fd_, filter_, EV_DELETE, 0, 0, (kevent_udata_t)NULL);
+ EV_SET (&ev, fd_, filter_, EV_DELETE, 0, 0, 0);
int rc = kevent (kqueue_fd, &ev, 1, NULL, 0, NULL);
errno_assert (rc != -1);
}
@@ -83,13 +80,15 @@ zmq::kqueue_t::handle_t zmq::kqueue_t::add_fd (fd_t fd_,
i_poll_events *reactor_)
{
poll_entry_t *pe = new (std::nothrow) poll_entry_t;
- zmq_assert (pe != NULL);
+ alloc_assert (pe);
pe->fd = fd_;
pe->flag_pollin = 0;
pe->flag_pollout = 0;
pe->reactor = reactor_;
+ adjust_load (1);
+
return pe;
}
@@ -102,6 +101,8 @@ void zmq::kqueue_t::rm_fd (handle_t handle_)
kevent_delete (pe->fd, EVFILT_WRITE);
pe->fd = retired_fd;
retired.push_back (pe);
+
+ adjust_load (-1);
}
void zmq::kqueue_t::set_pollin (handle_t handle_)
@@ -132,23 +133,6 @@ void zmq::kqueue_t::reset_pollout (handle_t handle_)
kevent_delete (pe->fd, EVFILT_WRITE);
}
-void zmq::kqueue_t::add_timer (i_poll_events *events_)
-{
- timers.push_back (events_);
-}
-
-void zmq::kqueue_t::cancel_timer (i_poll_events *events_)
-{
- timers_t::iterator it = std::find (timers.begin (), timers.end (), events_);
- if (it != timers.end ())
- timers.erase (it);
-}
-
-int zmq::kqueue_t::get_load ()
-{
- return load.get ();
-}
-
void zmq::kqueue_t::start ()
{
worker.start (worker_routine, this);
@@ -163,34 +147,18 @@ void zmq::kqueue_t::loop ()
{
while (!stopping) {
- struct kevent ev_buf [max_io_events];
-
- // Compute time interval to wait.
- timespec timeout = {max_timer_period / 1000,
- (max_timer_period % 1000) * 1000000};
+ // Execute any due timers.
+ int timeout = (int) execute_timers ();
// Wait for events.
- int n = kevent (kqueue_fd, NULL, 0,
- &ev_buf [0], max_io_events, timers.empty () ? NULL : &timeout);
+ struct kevent ev_buf [max_io_events];
+ timespec ts = {timeout / 1000, (timeout % 1000) * 1000000};
+ int n = kevent (kqueue_fd, NULL, 0, &ev_buf [0], max_io_events,
+ timeout ? &ts: NULL);
if (n == -1 && errno == EINTR)
continue;
errno_assert (n != -1);
- // Handle timer.
- if (!n) {
-
- // Use local list of timers as timer handlers may fill new timers
- // into the original array.
- timers_t t;
- std::swap (timers, t);
-
- // Trigger all the timers.
- for (timers_t::iterator it = t.begin (); it != t.end (); it ++)
- (*it)->timer_event ();
-
- continue;
- }
-
for (int i = 0; i < n; i ++) {
poll_entry_t *pe = (poll_entry_t*) ev_buf [i].udata;
@@ -210,7 +178,7 @@ void zmq::kqueue_t::loop ()
// Destroy retired event sources.
for (retired_t::iterator it = retired.begin (); it != retired.end ();
- it ++)
+ ++it)
delete *it;
retired.clear ();
}
diff --git a/src/kqueue.hpp b/src/kqueue.hpp
index ac28a7d..d564c7c 100644
--- a/src/kqueue.hpp
+++ b/src/kqueue.hpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -29,7 +30,7 @@
#include "fd.hpp"
#include "thread.hpp"
-#include "atomic_counter.hpp"
+#include "poller_base.hpp"
namespace zmq
{
@@ -37,7 +38,7 @@ namespace zmq
// Implements socket polling mechanism using the BSD-specific
// kqueue interface.
- class kqueue_t
+ class kqueue_t : public poller_base_t
{
public:
@@ -53,9 +54,6 @@ namespace zmq
void reset_pollin (handle_t handle_);
void set_pollout (handle_t handle_);
void reset_pollout (handle_t handle_);
- void add_timer (struct i_poll_events *events_);
- void cancel_timer (struct i_poll_events *events_);
- int get_load ();
void start ();
void stop ();
@@ -88,22 +86,14 @@ namespace zmq
typedef std::vector <poll_entry_t*> retired_t;
retired_t retired;
- // List of all the engines waiting for the timer event.
- typedef std::vector <struct i_poll_events*> timers_t;
- timers_t timers;
-
// If true, thread is in the process of shutting down.
bool stopping;
// Handle of the physical thread doing the I/O work.
thread_t worker;
- // Load of the poller. Currently number of file descriptors
- // registered with the poller.
- atomic_counter_t load;
-
kqueue_t (const kqueue_t&);
- void operator = (const kqueue_t&);
+ const kqueue_t &operator = (const kqueue_t&);
};
}
diff --git a/src/lb.cpp b/src/lb.cpp
index ca93ba2..95af4a1 100644
--- a/src/lb.cpp
+++ b/src/lb.cpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -22,42 +23,70 @@
#include "lb.hpp"
#include "pipe.hpp"
#include "err.hpp"
+#include "own.hpp"
-zmq::lb_t::lb_t () :
+zmq::lb_t::lb_t (own_t *sink_) :
active (0),
current (0),
- more (false)
+ more (false),
+ dropping (false),
+ sink (sink_),
+ terminating (false)
{
}
zmq::lb_t::~lb_t ()
{
- for (pipes_t::size_type i = 0; i != pipes.size (); i++)
- pipes [i]->term ();
+ zmq_assert (pipes.empty ());
}
void zmq::lb_t::attach (writer_t *pipe_)
{
+ pipe_->set_event_sink (this);
+
pipes.push_back (pipe_);
pipes.swap (active, pipes.size () - 1);
active++;
+
+ if (terminating) {
+ sink->register_term_acks (1);
+ pipe_->terminate ();
+ }
+}
+
+void zmq::lb_t::terminate ()
+{
+ zmq_assert (!terminating);
+ terminating = true;
+
+ sink->register_term_acks (pipes.size ());
+ for (pipes_t::size_type i = 0; i != pipes.size (); i++)
+ pipes [i]->terminate ();
}
-void zmq::lb_t::detach (writer_t *pipe_)
+void zmq::lb_t::terminated (writer_t *pipe_)
{
- zmq_assert (!more || pipes [current] != pipe_);
+ pipes_t::size_type index = pipes.index (pipe_);
+
+ // If we are in the middle of multipart message and current pipe
+ // have disconnected, we have to drop the remainder of the message.
+ if (index == current && more)
+ dropping = true;
// Remove the pipe from the list; adjust number of active pipes
// accordingly.
- if (pipes.index (pipe_) < active) {
+ if (index < active) {
active--;
if (current == active)
current = 0;
}
pipes.erase (pipe_);
+
+ if (terminating)
+ sink->unregister_term_ack ();
}
-void zmq::lb_t::revive (writer_t *pipe_)
+void zmq::lb_t::activated (writer_t *pipe_)
{
// Move the pipe to the list of active pipes.
pipes.swap (pipes.index (pipe_), active);
@@ -66,6 +95,21 @@ void zmq::lb_t::revive (writer_t *pipe_)
int zmq::lb_t::send (zmq_msg_t *msg_, int flags_)
{
+ // Drop the message if required. If we are at the end of the message
+ // switch back to non-dropping mode.
+ if (dropping) {
+
+ more = msg_->flags & ZMQ_MSG_MORE;
+ if (!more)
+ dropping = false;
+
+ int rc = zmq_msg_close (msg_);
+ errno_assert (rc == 0);
+ rc = zmq_msg_init (msg_);
+ zmq_assert (rc == 0);
+ return 0;
+ }
+
while (active > 0) {
if (pipes [current]->write (msg_)) {
more = msg_->flags & ZMQ_MSG_MORE;
@@ -108,13 +152,20 @@ bool zmq::lb_t::has_out ()
return true;
while (active > 0) {
- if (pipes [current]->check_write ())
+
+ // Check whether zero-sized message can be written to the pipe.
+ zmq_msg_t msg;
+ zmq_msg_init (&msg);
+ if (pipes [current]->check_write (&msg)) {
+ zmq_msg_close (&msg);
return true;
+ }
+ zmq_msg_close (&msg);
+ // Deactivate the pipe.
active--;
- if (current < active)
- pipes.swap (current, active);
- else
+ pipes.swap (current, active);
+ if (current == active)
current = 0;
}
diff --git a/src/lb.hpp b/src/lb.hpp
index 526a727..0dc11e2 100644
--- a/src/lb.hpp
+++ b/src/lb.hpp
@@ -1,49 +1,54 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __ZMQ_LB_HPP_INCLUDED__
#define __ZMQ_LB_HPP_INCLUDED__
-#include "yarray.hpp"
+#include "array.hpp"
+#include "pipe.hpp"
namespace zmq
{
// Class manages a set of outbound pipes. On send it load balances
// messages fairly among the pipes.
- class lb_t
+ class lb_t : public i_writer_events
{
public:
- lb_t ();
+ lb_t (class own_t *sink_);
~lb_t ();
- void attach (class writer_t *pipe_);
- void detach (class writer_t *pipe_);
- void revive (class writer_t *pipe_);
+ void attach (writer_t *pipe_);
+ void terminate ();
int send (zmq_msg_t *msg_, int flags_);
bool has_out ();
+ // i_writer_events interface implementation.
+ void activated (writer_t *pipe_);
+ void terminated (writer_t *pipe_);
+
private:
// List of outbound pipes.
- typedef yarray_t <class writer_t> pipes_t;
+ typedef array_t <class writer_t> pipes_t;
pipes_t pipes;
// Number of active pipes. All the active pipes are located at the
@@ -56,8 +61,17 @@ namespace zmq
// True if last we are in the middle of a multipart message.
bool more;
+ // True if we are dropping current message.
+ bool dropping;
+
+ // Object to send events to.
+ class own_t *sink;
+
+ // If true, termination process is already underway.
+ bool terminating;
+
lb_t (const lb_t&);
- void operator = (const lb_t&);
+ const lb_t &operator = (const lb_t&);
};
}
diff --git a/src/likely.hpp b/src/likely.hpp
index b7a8171..a524a50 100644
--- a/src/likely.hpp
+++ b/src/likely.hpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
diff --git a/src/mailbox.cpp b/src/mailbox.cpp
new file mode 100644
index 0000000..221396b
--- /dev/null
+++ b/src/mailbox.cpp
@@ -0,0 +1,382 @@
+/*
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+
+ This file is part of 0MQ.
+
+ 0MQ is free software; you can redistribute it and/or modify it under
+ the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ 0MQ is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "mailbox.hpp"
+#include "platform.hpp"
+#include "err.hpp"
+#include "fd.hpp"
+#include "ip.hpp"
+
+#if defined ZMQ_HAVE_WINDOWS
+#include "windows.hpp"
+#else
+#include <unistd.h>
+#include <fcntl.h>
+#include <limits.h>
+#include <netinet/tcp.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#endif
+
+zmq::fd_t zmq::mailbox_t::get_fd ()
+{
+ return r;
+}
+
+#if defined ZMQ_HAVE_WINDOWS
+
+zmq::mailbox_t::mailbox_t ()
+{
+ // Create the socketpair for signalling.
+ int rc = make_socketpair (&r, &w);
+ errno_assert (rc == 0);
+
+ // Set the writer to non-blocking mode.
+ unsigned long argp = 1;
+ rc = ioctlsocket (w, FIONBIO, &argp);
+ wsa_assert (rc != SOCKET_ERROR);
+
+ // Set the reader to non-blocking mode.
+ argp = 1;
+ rc = ioctlsocket (r, FIONBIO, &argp);
+ wsa_assert (rc != SOCKET_ERROR);
+}
+
+zmq::mailbox_t::~mailbox_t ()
+{
+ int rc = closesocket (w);
+ wsa_assert (rc != SOCKET_ERROR);
+
+ rc = closesocket (r);
+ wsa_assert (rc != SOCKET_ERROR);
+}
+
+void zmq::mailbox_t::send (const command_t &cmd_)
+{
+ // TODO: Implement SNDBUF auto-resizing as for POSIX platforms.
+ // In the mean time, the following code with assert if the send()
+ // call would block.
+ int nbytes = ::send (w, (char *)&cmd_, sizeof (command_t), 0);
+ wsa_assert (nbytes != SOCKET_ERROR);
+ zmq_assert (nbytes == sizeof (command_t));
+}
+
+int zmq::mailbox_t::recv (command_t *cmd_, bool block_)
+{
+ // If required, set the reader to blocking mode.
+ if (block_) {
+ unsigned long argp = 0;
+ int rc = ioctlsocket (r, FIONBIO, &argp);
+ wsa_assert (rc != SOCKET_ERROR);
+ }
+
+ // Attempt to read an entire command. Returns EAGAIN if non-blocking
+ // and a command is not available. Save value of errno if we wish to pass
+ // it to caller.
+ int err = 0;
+ int nbytes = ::recv (r, (char *)cmd_, sizeof (command_t), 0);
+ if (nbytes == -1 && WSAGetLastError () == WSAEWOULDBLOCK)
+ err = EAGAIN;
+
+ // Re-set the reader to non-blocking mode.
+ if (block_) {
+ unsigned long argp = 1;
+ int rc = ioctlsocket (r, FIONBIO, &argp);
+ wsa_assert (rc != SOCKET_ERROR);
+ }
+
+ // If the recv failed, return with the saved errno.
+ if (err != 0) {
+ errno = err;
+ return -1;
+ }
+
+ // Sanity check for success.
+ wsa_assert (nbytes != SOCKET_ERROR);
+
+ // Check whether we haven't got half of command.
+ zmq_assert (nbytes == sizeof (command_t));
+
+ return 0;
+}
+
+#else
+
+zmq::mailbox_t::mailbox_t ()
+{
+#ifdef PIPE_BUF
+ // Make sure that command can be written to the socket in atomic fashion.
+ // If this wasn't guaranteed, commands from different threads would be
+ // interleaved.
+ zmq_assert (sizeof (command_t) <= PIPE_BUF);
+#endif
+
+ // Create the socketpair for signaling.
+ int rc = make_socketpair (&r, &w);
+ errno_assert (rc == 0);
+
+ // Set the writer to non-blocking mode.
+ int flags = fcntl (w, F_GETFL, 0);
+ errno_assert (flags >= 0);
+ rc = fcntl (w, F_SETFL, flags | O_NONBLOCK);
+ errno_assert (rc == 0);
+
+#ifndef MSG_DONTWAIT
+ // Set the reader to non-blocking mode.
+ flags = fcntl (r, F_GETFL, 0);
+ errno_assert (flags >= 0);
+ rc = fcntl (r, F_SETFL, flags | O_NONBLOCK);
+ errno_assert (rc == 0);
+#endif
+}
+
+zmq::mailbox_t::~mailbox_t ()
+{
+ close (w);
+ close (r);
+}
+
+void zmq::mailbox_t::send (const command_t &cmd_)
+{
+ // Attempt to write an entire command without blocking.
+ ssize_t nbytes;
+ do {
+ nbytes = ::send (w, &cmd_, sizeof (command_t), 0);
+ } while (nbytes == -1 && errno == EINTR);
+
+ // Attempt to increase mailbox SNDBUF if the send failed.
+ if (nbytes == -1 && errno == EAGAIN) {
+ int old_sndbuf, new_sndbuf;
+ socklen_t sndbuf_size = sizeof old_sndbuf;
+
+ // Retrieve current send buffer size.
+ int rc = getsockopt (w, SOL_SOCKET, SO_SNDBUF, &old_sndbuf,
+ &sndbuf_size);
+ errno_assert (rc == 0);
+ new_sndbuf = old_sndbuf * 2;
+
+ // Double the new send buffer size.
+ rc = setsockopt (w, SOL_SOCKET, SO_SNDBUF, &new_sndbuf, sndbuf_size);
+ errno_assert (rc == 0);
+
+ // Verify that the OS actually honored the request.
+ rc = getsockopt (w, SOL_SOCKET, SO_SNDBUF, &new_sndbuf, &sndbuf_size);
+ errno_assert (rc == 0);
+ zmq_assert (new_sndbuf > old_sndbuf);
+
+ // Retry the sending operation; at this point it must succeed.
+ do {
+ nbytes = ::send (w, &cmd_, sizeof (command_t), 0);
+ } while (nbytes == -1 && errno == EINTR);
+ }
+ errno_assert (nbytes != -1);
+
+ // This should never happen as we've already checked that command size is
+ // less than PIPE_BUF.
+ zmq_assert (nbytes == sizeof (command_t));
+}
+
+int zmq::mailbox_t::recv (command_t *cmd_, bool block_)
+{
+#ifdef MSG_DONTWAIT
+
+ // Attempt to read an entire command. Returns EAGAIN if non-blocking
+ // mode is requested and a command is not available.
+ ssize_t nbytes = ::recv (r, cmd_, sizeof (command_t),
+ block_ ? 0 : MSG_DONTWAIT);
+ if (nbytes == -1 && (errno == EAGAIN || errno == EINTR))
+ return -1;
+#else
+
+ // If required, set the reader to blocking mode.
+ if (block_) {
+ int flags = fcntl (r, F_GETFL, 0);
+ errno_assert (flags >= 0);
+ int rc = fcntl (r, F_SETFL, flags & ~O_NONBLOCK);
+ errno_assert (rc == 0);
+ }
+
+ // Attempt to read an entire command. Returns EAGAIN if non-blocking
+ // and a command is not available. Save value of errno if we wish to pass
+ // it to caller.
+ int err = 0;
+ ssize_t nbytes = ::recv (r, cmd_, sizeof (command_t), 0);
+ if (nbytes == -1 && (errno == EAGAIN || errno == EINTR))
+ err = errno;
+
+ // Re-set the reader to non-blocking mode.
+ if (block_) {
+ int flags = fcntl (r, F_GETFL, 0);
+ errno_assert (flags >= 0);
+ int rc = fcntl (r, F_SETFL, flags | O_NONBLOCK);
+ errno_assert (rc == 0);
+ }
+
+ // If the recv failed, return with the saved errno if set.
+ if (err != 0) {
+ errno = err;
+ return -1;
+ }
+
+#endif
+
+ // Sanity check for success.
+ errno_assert (nbytes != -1);
+
+ // Check whether we haven't got half of command.
+ zmq_assert (nbytes == sizeof (command_t));
+
+ return 0;
+}
+
+#endif
+
+int zmq::mailbox_t::make_socketpair (fd_t *r_, fd_t *w_)
+{
+#if defined ZMQ_HAVE_WINDOWS
+
+ // Windows has no 'socketpair' function. CreatePipe is no good as pipe
+ // handles cannot be polled on. Here we create the socketpair by hand.
+ *w_ = INVALID_SOCKET;
+ *r_ = INVALID_SOCKET;
+
+ // Create listening socket.
+ SOCKET listener;
+ listener = socket (AF_INET, SOCK_STREAM, 0);
+ wsa_assert (listener != INVALID_SOCKET);
+
+ // Set SO_REUSEADDR and TCP_NODELAY on listening socket.
+ BOOL so_reuseaddr = 1;
+ int rc = setsockopt (listener, SOL_SOCKET, SO_REUSEADDR,
+ (char *)&so_reuseaddr, sizeof (so_reuseaddr));
+ wsa_assert (rc != SOCKET_ERROR);
+ BOOL tcp_nodelay = 1;
+ rc = setsockopt (listener, IPPROTO_TCP, TCP_NODELAY,
+ (char *)&tcp_nodelay, sizeof (tcp_nodelay));
+ wsa_assert (rc != SOCKET_ERROR);
+
+ // Bind listening socket to any free local port.
+ struct sockaddr_in addr;
+ memset (&addr, 0, sizeof (addr));
+ addr.sin_family = AF_INET;
+ addr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
+ addr.sin_port = 0;
+ rc = bind (listener, (const struct sockaddr*) &addr, sizeof (addr));
+ wsa_assert (rc != SOCKET_ERROR);
+
+ // Retrieve local port listener is bound to (into addr).
+ int addrlen = sizeof (addr);
+ rc = getsockname (listener, (struct sockaddr*) &addr, &addrlen);
+ wsa_assert (rc != SOCKET_ERROR);
+
+ // Listen for incomming connections.
+ rc = listen (listener, 1);
+ wsa_assert (rc != SOCKET_ERROR);
+
+ // Create the writer socket.
+ *w_ = WSASocket (AF_INET, SOCK_STREAM, 0, NULL, 0, 0);
+ wsa_assert (*w_ != INVALID_SOCKET);
+
+ // Set TCP_NODELAY on writer socket.
+ rc = setsockopt (*w_, IPPROTO_TCP, TCP_NODELAY,
+ (char *)&tcp_nodelay, sizeof (tcp_nodelay));
+ wsa_assert (rc != SOCKET_ERROR);
+
+ // Connect writer to the listener.
+ rc = connect (*w_, (sockaddr *) &addr, sizeof (addr));
+ wsa_assert (rc != SOCKET_ERROR);
+
+ // Accept connection from writer.
+ *r_ = accept (listener, NULL, NULL);
+ wsa_assert (*r_ != INVALID_SOCKET);
+
+ // We don't need the listening socket anymore. Close it.
+ rc = closesocket (listener);
+ wsa_assert (rc != SOCKET_ERROR);
+
+ return 0;
+
+#elif defined ZMQ_HAVE_OPENVMS
+
+ // Whilst OpenVMS supports socketpair - it maps to AF_INET only. Further,
+ // it does not set the socket options TCP_NODELAY and TCP_NODELACK which
+ // can lead to performance problems.
+ //
+ // The bug will be fixed in V5.6 ECO4 and beyond. In the meantime, we'll
+ // create the socket pair manually.
+ sockaddr_in lcladdr;
+ memset (&lcladdr, 0, sizeof (lcladdr));
+ lcladdr.sin_family = AF_INET;
+ lcladdr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
+ lcladdr.sin_port = 0;
+
+ int listener = socket (AF_INET, SOCK_STREAM, 0);
+ errno_assert (listener != -1);
+
+ int on = 1;
+ int rc = setsockopt (listener, IPPROTO_TCP, TCP_NODELAY, &on, sizeof (on));
+ errno_assert (rc != -1);
+
+ rc = setsockopt (listener, IPPROTO_TCP, TCP_NODELACK, &on, sizeof (on));
+ errno_assert (rc != -1);
+
+ rc = bind(listener, (struct sockaddr*) &lcladdr, sizeof (lcladdr));
+ errno_assert (rc != -1);
+
+ socklen_t lcladdr_len = sizeof (lcladdr);
+
+ rc = getsockname (listener, (struct sockaddr*) &lcladdr, &lcladdr_len);
+ errno_assert (rc != -1);
+
+ rc = listen (listener, 1);
+ errno_assert (rc != -1);
+
+ *w_ = socket (AF_INET, SOCK_STREAM, 0);
+ errno_assert (*w_ != -1);
+
+ rc = setsockopt (*w_, IPPROTO_TCP, TCP_NODELAY, &on, sizeof (on));
+ errno_assert (rc != -1);
+
+ rc = setsockopt (*w_, IPPROTO_TCP, TCP_NODELACK, &on, sizeof (on));
+ errno_assert (rc != -1);
+
+ rc = connect (*w_, (struct sockaddr*) &lcladdr, sizeof (lcladdr));
+ errno_assert (rc != -1);
+
+ *r_ = accept (listener, NULL, NULL);
+ errno_assert (*r_ != -1);
+
+ close (listener);
+
+ return 0;
+
+#else // All other implementations support socketpair()
+
+ int sv [2];
+ int rc = socketpair (AF_UNIX, SOCK_STREAM, 0, sv);
+ errno_assert (rc == 0);
+ *w_ = sv [0];
+ *r_ = sv [1];
+ return 0;
+
+#endif
+}
+
diff --git a/src/mailbox.hpp b/src/mailbox.hpp
new file mode 100644
index 0000000..96bf4eb
--- /dev/null
+++ b/src/mailbox.hpp
@@ -0,0 +1,62 @@
+/*
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+
+ This file is part of 0MQ.
+
+ 0MQ is free software; you can redistribute it and/or modify it under
+ the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ 0MQ is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __ZMQ_MAILBOX_HPP_INCLUDED__
+#define __ZMQ_MAILBOX_HPP_INCLUDED__
+
+#include <stddef.h>
+
+#include "platform.hpp"
+#include "fd.hpp"
+#include "stdint.hpp"
+#include "config.hpp"
+#include "command.hpp"
+
+namespace zmq
+{
+
+ class mailbox_t
+ {
+ public:
+
+ mailbox_t ();
+ ~mailbox_t ();
+
+ fd_t get_fd ();
+ void send (const command_t &cmd_);
+ int recv (command_t *cmd_, bool block_);
+
+ private:
+
+ // Write & read end of the socketpair.
+ fd_t w;
+ fd_t r;
+
+ // Platform-dependent function to create a socketpair.
+ static int make_socketpair (fd_t *r_, fd_t *w_);
+
+ // Disable copying of mailbox_t object.
+ mailbox_t (const mailbox_t&);
+ const mailbox_t &operator = (const mailbox_t&);
+ };
+
+}
+
+#endif
diff --git a/src/msg_content.hpp b/src/msg_content.hpp
index d409d45..7e22098 100644
--- a/src/msg_content.hpp
+++ b/src/msg_content.hpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
diff --git a/src/mutex.hpp b/src/mutex.hpp
index 3306d2e..9b13ffa 100644
--- a/src/mutex.hpp
+++ b/src/mutex.hpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -110,7 +111,7 @@ namespace zmq
// Disable copy construction and assignment.
mutex_t (const mutex_t&);
- void operator = (const mutex_t&);
+ const mutex_t &operator = (const mutex_t&);
};
}
diff --git a/src/named_session.cpp b/src/named_session.cpp
new file mode 100644
index 0000000..2532c5a
--- /dev/null
+++ b/src/named_session.cpp
@@ -0,0 +1,85 @@
+/*
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+
+ This file is part of 0MQ.
+
+ 0MQ is free software; you can redistribute it and/or modify it under
+ the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ 0MQ is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "named_session.hpp"
+#include "socket_base.hpp"
+
+zmq::named_session_t::named_session_t (class io_thread_t *io_thread_,
+ socket_base_t *socket_, const options_t &options_,
+ const blob_t &name_) :
+ session_t (io_thread_, socket_, options_),
+ name (name_)
+{
+ // Make double sure that the session has valid name.
+ zmq_assert (!name.empty ());
+ zmq_assert (name [0] != 0);
+
+ if (!socket_->register_session (name, this)) {
+
+ // TODO: There's already a session with the specified
+ // identity. We should log the error and drop the
+ // session.
+ zmq_assert (false);
+ }
+}
+
+zmq::named_session_t::~named_session_t ()
+{
+ // Unregister the session from the global list of named sessions.
+ if (!name.empty ())
+ unregister_session (name);
+}
+
+void zmq::named_session_t::attached (const blob_t &peer_identity_)
+{
+ if (!name.empty ()) {
+
+ // If both IDs are temporary, no checking is needed.
+ // TODO: Old ID should be reused in this case...
+ if (name.empty () || name [0] != 0 ||
+ peer_identity_.empty () || peer_identity_ [0] != 0) {
+
+ // If we already know the peer name do nothing, just check whether
+ // it haven't changed.
+ zmq_assert (name == peer_identity_);
+ }
+ }
+ else if (!peer_identity_.empty ()) {
+
+ // Store the peer identity.
+ name = peer_identity_;
+
+ // Register the session using the peer name.
+ if (!register_session (name, this)) {
+
+ // TODO: There's already a session with the specified
+ // identity. We should presumably syslog it and drop the
+ // session.
+ zmq_assert (false);
+ }
+ }
+}
+
+void zmq::named_session_t::detached ()
+{
+ // Do nothing. Named sessions are never destroyed because of disconnection,
+ // neither they have to actively reconnect.
+}
+
diff --git a/src/named_session.hpp b/src/named_session.hpp
new file mode 100644
index 0000000..cf31209
--- /dev/null
+++ b/src/named_session.hpp
@@ -0,0 +1,57 @@
+/*
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+
+ This file is part of 0MQ.
+
+ 0MQ is free software; you can redistribute it and/or modify it under
+ the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ 0MQ is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __ZMQ_NAMED_SESSION_HPP_INCLUDED__
+#define __ZMQ_NAMED_SESSION_HPP_INCLUDED__
+
+#include "session.hpp"
+#include "blob.hpp"
+
+namespace zmq
+{
+
+ // Named session is created by listener object when the peer identifies
+ // itself by a strong name. Named session survives reconnections.
+
+ class named_session_t : public session_t
+ {
+ public:
+
+ named_session_t (class io_thread_t *io_thread_,
+ class socket_base_t *socket_, const options_t &options_,
+ const blob_t &name_);
+ ~named_session_t ();
+
+ // Handlers for events from session base class.
+ void attached (const blob_t &peer_identity_);
+ void detached ();
+
+ private:
+
+ // Name of the session. Corresponds to the peer's strong identity.
+ blob_t name;
+
+ named_session_t (const named_session_t&);
+ const named_session_t &operator = (const named_session_t&);
+ };
+
+}
+
+#endif
diff --git a/src/object.cpp b/src/object.cpp
index 324450f..e2ca6d6 100644
--- a/src/object.cpp
+++ b/src/object.cpp
@@ -1,42 +1,43 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <string.h>
+#include <stdarg.h>
#include "object.hpp"
#include "ctx.hpp"
#include "err.hpp"
#include "pipe.hpp"
#include "io_thread.hpp"
-#include "owned.hpp"
#include "session.hpp"
#include "socket_base.hpp"
-zmq::object_t::object_t (ctx_t *ctx_, uint32_t thread_slot_) :
+zmq::object_t::object_t (ctx_t *ctx_, uint32_t tid_) :
ctx (ctx_),
- thread_slot (thread_slot_)
+ tid (tid_)
{
}
zmq::object_t::object_t (object_t *parent_) :
ctx (parent_->ctx),
- thread_slot (parent_->thread_slot)
+ tid (parent_->tid)
{
}
@@ -44,9 +45,9 @@ zmq::object_t::~object_t ()
{
}
-uint32_t zmq::object_t::get_thread_slot ()
+uint32_t zmq::object_t::get_tid ()
{
- return thread_slot;
+ return tid;
}
zmq::ctx_t *zmq::object_t::get_ctx ()
@@ -58,8 +59,12 @@ void zmq::object_t::process_command (command_t &cmd_)
{
switch (cmd_.type) {
- case command_t::revive:
- process_revive ();
+ case command_t::activate_reader:
+ process_activate_reader ();
+ break;
+
+ case command_t::activate_writer:
+ process_activate_writer (cmd_.args.activate_writer.msgs_read);
break;
case command_t::stop:
@@ -78,22 +83,19 @@ void zmq::object_t::process_command (command_t &cmd_)
case command_t::attach:
process_attach (cmd_.args.attach.engine,
+ cmd_.args.attach.peer_identity ?
blob_t (cmd_.args.attach.peer_identity,
- cmd_.args.attach.peer_identity_size));
+ cmd_.args.attach.peer_identity_size) : blob_t ());
process_seqnum ();
break;
case command_t::bind:
process_bind (cmd_.args.bind.in_pipe, cmd_.args.bind.out_pipe,
- blob_t (cmd_.args.bind.peer_identity,
- cmd_.args.bind.peer_identity_size));
+ cmd_.args.bind.peer_identity ? blob_t (cmd_.args.bind.peer_identity,
+ cmd_.args.bind.peer_identity_size) : blob_t ());
process_seqnum ();
break;
- case command_t::reader_info:
- process_reader_info (cmd_.args.reader_info.msgs_read);
- break;
-
case command_t::pipe_term:
process_pipe_term ();
return;
@@ -107,13 +109,21 @@ void zmq::object_t::process_command (command_t &cmd_)
break;
case command_t::term:
- process_term ();
+ process_term (cmd_.args.term.linger);
break;
case command_t::term_ack:
process_term_ack ();
break;
+ case command_t::reap:
+ process_reap (cmd_.args.reap.socket);
+ break;
+
+ case command_t::reaped:
+ process_reaped ();
+ break;
+
default:
zmq_assert (false);
}
@@ -123,34 +133,37 @@ void zmq::object_t::process_command (command_t &cmd_)
deallocate_command (&cmd_);
}
-void zmq::object_t::register_pipe (class pipe_t *pipe_)
+int zmq::object_t::register_endpoint (const char *addr_, endpoint_t &endpoint_)
{
- ctx->register_pipe (pipe_);
+ return ctx->register_endpoint (addr_, endpoint_);
}
-void zmq::object_t::unregister_pipe (class pipe_t *pipe_)
+void zmq::object_t::unregister_endpoints (socket_base_t *socket_)
{
- ctx->unregister_pipe (pipe_);
+ return ctx->unregister_endpoints (socket_);
}
-int zmq::object_t::register_endpoint (const char *addr_, socket_base_t *socket_)
+zmq::endpoint_t zmq::object_t::find_endpoint (const char *addr_)
{
- return ctx->register_endpoint (addr_, socket_);
+ return ctx->find_endpoint (addr_);
}
-void zmq::object_t::unregister_endpoints (socket_base_t *socket_)
+void zmq::object_t::destroy_socket (socket_base_t *socket_)
{
- return ctx->unregister_endpoints (socket_);
+ ctx->destroy_socket (socket_);
}
-zmq::socket_base_t *zmq::object_t::find_endpoint (const char *addr_)
+void zmq::object_t::log (const char *format_, ...)
{
- return ctx->find_endpoint (addr_);
+ va_list args;
+ va_start (args, format_);
+ ctx->log (format_, args);
+ va_end (args);
}
-zmq::io_thread_t *zmq::object_t::choose_io_thread (uint64_t taskset_)
+zmq::io_thread_t *zmq::object_t::choose_io_thread (uint64_t affinity_)
{
- return ctx->choose_io_thread (taskset_);
+ return ctx->choose_io_thread (affinity_);
}
void zmq::object_t::send_stop ()
@@ -158,26 +171,35 @@ void zmq::object_t::send_stop ()
// 'stop' command goes always from administrative thread to
// the current object.
command_t cmd;
+#if defined ZMQ_MAKE_VALGRIND_HAPPY
+ memset (&cmd, 0, sizeof (cmd));
+#endif
cmd.destination = this;
cmd.type = command_t::stop;
- ctx->send_command (thread_slot, cmd);
+ ctx->send_command (tid, cmd);
}
-void zmq::object_t::send_plug (owned_t *destination_, bool inc_seqnum_)
+void zmq::object_t::send_plug (own_t *destination_, bool inc_seqnum_)
{
if (inc_seqnum_)
destination_->inc_seqnum ();
command_t cmd;
+#if defined ZMQ_MAKE_VALGRIND_HAPPY
+ memset (&cmd, 0, sizeof (cmd));
+#endif
cmd.destination = destination_;
cmd.type = command_t::plug;
send_command (cmd);
}
-void zmq::object_t::send_own (socket_base_t *destination_, owned_t *object_)
+void zmq::object_t::send_own (own_t *destination_, own_t *object_)
{
destination_->inc_seqnum ();
command_t cmd;
+#if defined ZMQ_MAKE_VALGRIND_HAPPY
+ memset (&cmd, 0, sizeof (cmd));
+#endif
cmd.destination = destination_;
cmd.type = command_t::own;
cmd.args.own.object = object_;
@@ -191,6 +213,9 @@ void zmq::object_t::send_attach (session_t *destination_, i_engine *engine_,
destination_->inc_seqnum ();
command_t cmd;
+#if defined ZMQ_MAKE_VALGRIND_HAPPY
+ memset (&cmd, 0, sizeof (cmd));
+#endif
cmd.destination = destination_;
cmd.type = command_t::attach;
cmd.args.attach.engine = engine_;
@@ -204,21 +229,23 @@ void zmq::object_t::send_attach (session_t *destination_, i_engine *engine_,
(unsigned char) peer_identity_.size ();
cmd.args.attach.peer_identity =
(unsigned char*) malloc (peer_identity_.size ());
- zmq_assert (cmd.args.attach.peer_identity_size);
+ alloc_assert (cmd.args.attach.peer_identity_size);
memcpy (cmd.args.attach.peer_identity, peer_identity_.data (),
peer_identity_.size ());
}
send_command (cmd);
}
-void zmq::object_t::send_bind (socket_base_t *destination_,
- reader_t *in_pipe_, writer_t *out_pipe_, const blob_t &peer_identity_,
- bool inc_seqnum_)
+void zmq::object_t::send_bind (own_t *destination_, reader_t *in_pipe_,
+ writer_t *out_pipe_, const blob_t &peer_identity_, bool inc_seqnum_)
{
if (inc_seqnum_)
destination_->inc_seqnum ();
command_t cmd;
+#if defined ZMQ_MAKE_VALGRIND_HAPPY
+ memset (&cmd, 0, sizeof (cmd));
+#endif
cmd.destination = destination_;
cmd.type = command_t::bind;
cmd.args.bind.in_pipe = in_pipe_;
@@ -233,34 +260,43 @@ void zmq::object_t::send_bind (socket_base_t *destination_,
(unsigned char) peer_identity_.size ();
cmd.args.bind.peer_identity =
(unsigned char*) malloc (peer_identity_.size ());
- zmq_assert (cmd.args.bind.peer_identity_size);
+ alloc_assert (cmd.args.bind.peer_identity_size);
memcpy (cmd.args.bind.peer_identity, peer_identity_.data (),
peer_identity_.size ());
}
send_command (cmd);
}
-void zmq::object_t::send_revive (object_t *destination_)
+void zmq::object_t::send_activate_reader (reader_t *destination_)
{
command_t cmd;
+#if defined ZMQ_MAKE_VALGRIND_HAPPY
+ memset (&cmd, 0, sizeof (cmd));
+#endif
cmd.destination = destination_;
- cmd.type = command_t::revive;
+ cmd.type = command_t::activate_reader;
send_command (cmd);
}
-void zmq::object_t::send_reader_info (writer_t *destination_,
+void zmq::object_t::send_activate_writer (writer_t *destination_,
uint64_t msgs_read_)
{
command_t cmd;
+#if defined ZMQ_MAKE_VALGRIND_HAPPY
+ memset (&cmd, 0, sizeof (cmd));
+#endif
cmd.destination = destination_;
- cmd.type = command_t::reader_info;
- cmd.args.reader_info.msgs_read = msgs_read_;
+ cmd.type = command_t::activate_writer;
+ cmd.args.activate_writer.msgs_read = msgs_read_;
send_command (cmd);
}
void zmq::object_t::send_pipe_term (writer_t *destination_)
{
command_t cmd;
+#if defined ZMQ_MAKE_VALGRIND_HAPPY
+ memset (&cmd, 0, sizeof (cmd));
+#endif
cmd.destination = destination_;
cmd.type = command_t::pipe_term;
send_command (cmd);
@@ -269,37 +305,84 @@ void zmq::object_t::send_pipe_term (writer_t *destination_)
void zmq::object_t::send_pipe_term_ack (reader_t *destination_)
{
command_t cmd;
+#if defined ZMQ_MAKE_VALGRIND_HAPPY
+ memset (&cmd, 0, sizeof (cmd));
+#endif
cmd.destination = destination_;
cmd.type = command_t::pipe_term_ack;
send_command (cmd);
}
-void zmq::object_t::send_term_req (socket_base_t *destination_,
- owned_t *object_)
+void zmq::object_t::send_term_req (own_t *destination_,
+ own_t *object_)
{
command_t cmd;
+#if defined ZMQ_MAKE_VALGRIND_HAPPY
+ memset (&cmd, 0, sizeof (cmd));
+#endif
cmd.destination = destination_;
cmd.type = command_t::term_req;
cmd.args.term_req.object = object_;
send_command (cmd);
}
-void zmq::object_t::send_term (owned_t *destination_)
+void zmq::object_t::send_term (own_t *destination_, int linger_)
{
command_t cmd;
+#if defined ZMQ_MAKE_VALGRIND_HAPPY
+ memset (&cmd, 0, sizeof (cmd));
+#endif
cmd.destination = destination_;
cmd.type = command_t::term;
+ cmd.args.term.linger = linger_;
send_command (cmd);
}
-void zmq::object_t::send_term_ack (socket_base_t *destination_)
+void zmq::object_t::send_term_ack (own_t *destination_)
{
command_t cmd;
+#if defined ZMQ_MAKE_VALGRIND_HAPPY
+ memset (&cmd, 0, sizeof (cmd));
+#endif
cmd.destination = destination_;
cmd.type = command_t::term_ack;
send_command (cmd);
}
+void zmq::object_t::send_reap (class socket_base_t *socket_)
+{
+ command_t cmd;
+#if defined ZMQ_MAKE_VALGRIND_HAPPY
+ memset (&cmd, 0, sizeof (cmd));
+#endif
+ cmd.destination = ctx->get_reaper ();
+ cmd.type = command_t::reap;
+ cmd.args.reap.socket = socket_;
+ send_command (cmd);
+}
+
+void zmq::object_t::send_reaped ()
+{
+ command_t cmd;
+#if defined ZMQ_MAKE_VALGRIND_HAPPY
+ memset (&cmd, 0, sizeof (cmd));
+#endif
+ cmd.destination = ctx->get_reaper ();
+ cmd.type = command_t::reaped;
+ send_command (cmd);
+}
+
+void zmq::object_t::send_done ()
+{
+ command_t cmd;
+#if defined ZMQ_MAKE_VALGRIND_HAPPY
+ memset (&cmd, 0, sizeof (cmd));
+#endif
+ cmd.destination = NULL;
+ cmd.type = command_t::done;
+ ctx->send_command (ctx_t::term_tid, cmd);
+}
+
void zmq::object_t::process_stop ()
{
zmq_assert (false);
@@ -310,7 +393,7 @@ void zmq::object_t::process_plug ()
zmq_assert (false);
}
-void zmq::object_t::process_own (owned_t *object_)
+void zmq::object_t::process_own (own_t *object_)
{
zmq_assert (false);
}
@@ -327,12 +410,12 @@ void zmq::object_t::process_bind (reader_t *in_pipe_, writer_t *out_pipe_,
zmq_assert (false);
}
-void zmq::object_t::process_revive ()
+void zmq::object_t::process_activate_reader ()
{
zmq_assert (false);
}
-void zmq::object_t::process_reader_info (uint64_t msgs_read_)
+void zmq::object_t::process_activate_writer (uint64_t msgs_read_)
{
zmq_assert (false);
}
@@ -347,12 +430,12 @@ void zmq::object_t::process_pipe_term_ack ()
zmq_assert (false);
}
-void zmq::object_t::process_term_req (owned_t *object_)
+void zmq::object_t::process_term_req (own_t *object_)
{
zmq_assert (false);
}
-void zmq::object_t::process_term ()
+void zmq::object_t::process_term (int linger_)
{
zmq_assert (false);
}
@@ -362,6 +445,16 @@ void zmq::object_t::process_term_ack ()
zmq_assert (false);
}
+void zmq::object_t::process_reap (class socket_base_t *socket_)
+{
+ zmq_assert (false);
+}
+
+void zmq::object_t::process_reaped ()
+{
+ zmq_assert (false);
+}
+
void zmq::object_t::process_seqnum ()
{
zmq_assert (false);
@@ -369,6 +462,6 @@ void zmq::object_t::process_seqnum ()
void zmq::object_t::send_command (command_t &cmd_)
{
- ctx->send_command (cmd_.destination->get_thread_slot (), cmd_);
+ ctx->send_command (cmd_.destination->get_tid (), cmd_);
}
diff --git a/src/object.hpp b/src/object.hpp
index a38b0a6..706303b 100644
--- a/src/object.hpp
+++ b/src/object.hpp
@@ -1,25 +1,28 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __ZMQ_OBJECT_HPP_INCLUDED__
#define __ZMQ_OBJECT_HPP_INCLUDED__
+#include "../include/zmq.h"
+
#include "stdint.hpp"
#include "blob.hpp"
@@ -32,67 +35,73 @@ namespace zmq
{
public:
- object_t (class ctx_t *ctx_, uint32_t thread_slot_);
+ object_t (class ctx_t *ctx_, uint32_t tid_);
object_t (object_t *parent_);
virtual ~object_t ();
- uint32_t get_thread_slot ();
+ uint32_t get_tid ();
ctx_t *get_ctx ();
void process_command (struct command_t &cmd_);
- // Allow pipe to access corresponding context functions.
- void register_pipe (class pipe_t *pipe_);
- void unregister_pipe (class pipe_t *pipe_);
-
protected:
// Using following function, socket is able to access global
// repository of inproc endpoints.
- int register_endpoint (const char *addr_, class socket_base_t *socket_);
+ int register_endpoint (const char *addr_, struct endpoint_t &endpoint_);
void unregister_endpoints (class socket_base_t *socket_);
- class socket_base_t *find_endpoint (const char *addr_);
+ struct endpoint_t find_endpoint (const char *addr_);
+ void destroy_socket (class socket_base_t *socket_);
+
+ // Logs an message.
+ void log (const char *format_, ...);
// Chooses least loaded I/O thread.
- class io_thread_t *choose_io_thread (uint64_t taskset_);
+ class io_thread_t *choose_io_thread (uint64_t affinity_);
// Derived object can use these functions to send commands
// to other objects.
void send_stop ();
- void send_plug (class owned_t *destination_, bool inc_seqnum_ = true);
- void send_own (class socket_base_t *destination_,
- class owned_t *object_);
+ void send_plug (class own_t *destination_,
+ bool inc_seqnum_ = true);
+ void send_own (class own_t *destination_,
+ class own_t *object_);
void send_attach (class session_t *destination_,
struct i_engine *engine_, const blob_t &peer_identity_,
bool inc_seqnum_ = true);
- void send_bind (class socket_base_t *destination_,
+ void send_bind (class own_t *destination_,
class reader_t *in_pipe_, class writer_t *out_pipe_,
const blob_t &peer_identity_, bool inc_seqnum_ = true);
- void send_revive (class object_t *destination_);
- void send_reader_info (class writer_t *destination_,
+ void send_activate_reader (class reader_t *destination_);
+ void send_activate_writer (class writer_t *destination_,
uint64_t msgs_read_);
void send_pipe_term (class writer_t *destination_);
void send_pipe_term_ack (class reader_t *destination_);
- void send_term_req (class socket_base_t *destination_,
- class owned_t *object_);
- void send_term (class owned_t *destination_);
- void send_term_ack (class socket_base_t *destination_);
+ void send_term_req (class own_t *destination_,
+ class own_t *object_);
+ void send_term (class own_t *destination_, int linger_);
+ void send_term_ack (class own_t *destination_);
+ void send_reap (class socket_base_t *socket_);
+ void send_reaped ();
+ void send_done ();
// These handlers can be overloaded by the derived objects. They are
// called when command arrives from another thread.
virtual void process_stop ();
virtual void process_plug ();
- virtual void process_own (class owned_t *object_);
+ virtual void process_own (class own_t *object_);
virtual void process_attach (struct i_engine *engine_,
const blob_t &peer_identity_);
virtual void process_bind (class reader_t *in_pipe_,
class writer_t *out_pipe_, const blob_t &peer_identity_);
- virtual void process_revive ();
- virtual void process_reader_info (uint64_t msgs_read_);
+ virtual void process_activate_reader ();
+ virtual void process_activate_writer (uint64_t msgs_read_);
virtual void process_pipe_term ();
virtual void process_pipe_term_ack ();
- virtual void process_term_req (class owned_t *object_);
- virtual void process_term ();
+ virtual void process_term_req (class own_t *object_);
+ virtual void process_term (int linger_);
virtual void process_term_ack ();
+ virtual void process_reap (class socket_base_t *socket_);
+ virtual void process_reaped ();
// Special handler called after a command that requires a seqnum
// was processed. The implementation should catch up with its counter
@@ -104,13 +113,13 @@ namespace zmq
// Context provides access to the global state.
class ctx_t *ctx;
- // Slot ID of the thread the object belongs to.
- uint32_t thread_slot;
+ // Thread ID of the thread the object belongs to.
+ uint32_t tid;
void send_command (command_t &cmd_);
object_t (const object_t&);
- void operator = (const object_t&);
+ const object_t &operator = (const object_t&);
};
}
diff --git a/src/options.cpp b/src/options.cpp
index dcbb51d..92887ab 100644
--- a/src/options.cpp
+++ b/src/options.cpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -28,11 +29,17 @@ zmq::options_t::options_t () :
hwm (0),
swap (0),
affinity (0),
- rate (100),
+ rate (40 * 1000),
recovery_ivl (10),
+ recovery_ivl_msec (-1),
use_multicast_loop (true),
sndbuf (0),
rcvbuf (0),
+ type (-1),
+ linger (-1),
+ reconnect_ivl (100),
+ reconnect_ivl_max (0),
+ backlog (100),
requires_in (false),
requires_out (false),
immediate_connect (true)
@@ -97,6 +104,14 @@ int zmq::options_t::setsockopt (int option_, const void *optval_,
recovery_ivl = (uint32_t) *((int64_t*) optval_);
return 0;
+ case ZMQ_RECOVERY_IVL_MSEC:
+ if (optvallen_ != sizeof (int64_t) || *((int64_t*) optval_) < 0) {
+ errno = EINVAL;
+ return -1;
+ }
+ recovery_ivl_msec = (int32_t) *((int64_t*) optval_);
+ return 0;
+
case ZMQ_MCAST_LOOP:
if (optvallen_ != sizeof (int64_t)) {
errno = EINVAL;
@@ -127,6 +142,47 @@ int zmq::options_t::setsockopt (int option_, const void *optval_,
}
rcvbuf = *((uint64_t*) optval_);
return 0;
+
+ case ZMQ_LINGER:
+ if (optvallen_ != sizeof (int)) {
+ errno = EINVAL;
+ return -1;
+ }
+ linger = *((int*) optval_);
+ return 0;
+
+ case ZMQ_RECONNECT_IVL:
+ if (optvallen_ != sizeof (int)) {
+ errno = EINVAL;
+ return -1;
+ }
+ if (*((int*) optval_) < 0) {
+ errno = EINVAL;
+ return -1;
+ }
+ reconnect_ivl = *((int*) optval_);
+ return 0;
+
+ case ZMQ_RECONNECT_IVL_MAX:
+ if (optvallen_ != sizeof (int)) {
+ errno = EINVAL;
+ return -1;
+ }
+ if (*((int*) optval_) < 0) {
+ errno = EINVAL;
+ return -1;
+ }
+ reconnect_ivl_max = *((int*) optval_);
+ return 0;
+
+ case ZMQ_BACKLOG:
+ if (optvallen_ != sizeof (int)) {
+ errno = EINVAL;
+ return -1;
+ }
+ backlog = *((int*) optval_);
+ return 0;
+
}
errno = EINVAL;
@@ -192,6 +248,15 @@ int zmq::options_t::getsockopt (int option_, void *optval_, size_t *optvallen_)
*optvallen_ = sizeof (int64_t);
return 0;
+ case ZMQ_RECOVERY_IVL_MSEC:
+ if (*optvallen_ < sizeof (int64_t)) {
+ errno = EINVAL;
+ return -1;
+ }
+ *((int64_t*) optval_) = recovery_ivl_msec;
+ *optvallen_ = sizeof (int64_t);
+ return 0;
+
case ZMQ_MCAST_LOOP:
if (*optvallen_ < sizeof (int64_t)) {
errno = EINVAL;
@@ -218,6 +283,52 @@ int zmq::options_t::getsockopt (int option_, void *optval_, size_t *optvallen_)
*((uint64_t*) optval_) = rcvbuf;
*optvallen_ = sizeof (uint64_t);
return 0;
+
+ case ZMQ_TYPE:
+ if (*optvallen_ < sizeof (int)) {
+ errno = EINVAL;
+ return -1;
+ }
+ *((int*) optval_) = type;
+ *optvallen_ = sizeof (int);
+ return 0;
+
+ case ZMQ_LINGER:
+ if (*optvallen_ < sizeof (int)) {
+ errno = EINVAL;
+ return -1;
+ }
+ *((int*) optval_) = linger;
+ *optvallen_ = sizeof (int);
+ return 0;
+
+ case ZMQ_RECONNECT_IVL:
+ if (*optvallen_ < sizeof (int)) {
+ errno = EINVAL;
+ return -1;
+ }
+ *((int*) optval_) = reconnect_ivl;
+ *optvallen_ = sizeof (int);
+ return 0;
+
+ case ZMQ_RECONNECT_IVL_MAX:
+ if (*optvallen_ < sizeof (int)) {
+ errno = EINVAL;
+ return -1;
+ }
+ *((int*) optval_) = reconnect_ivl_max;
+ *optvallen_ = sizeof (int);
+ return 0;
+
+ case ZMQ_BACKLOG:
+ if (*optvallen_ < sizeof (int)) {
+ errno = EINVAL;
+ return -1;
+ }
+ *((int*) optval_) = backlog;
+ *optvallen_ = sizeof (int);
+ return 0;
+
}
errno = EINVAL;
diff --git a/src/options.hpp b/src/options.hpp
index 908b166..b2e29d0 100644
--- a/src/options.hpp
+++ b/src/options.hpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -44,6 +45,8 @@ namespace zmq
// Reliability time interval [s]. Default 10s.
uint32_t recovery_ivl;
+ // Reliability time interval [ms]. Default -1 = not used.
+ int32_t recovery_ivl_msec;
// Enable multicast loopback. Default disabled (false).
bool use_multicast_loop;
@@ -51,6 +54,22 @@ namespace zmq
uint64_t sndbuf;
uint64_t rcvbuf;
+ // Socket type.
+ int type;
+
+ // Linger time, in milliseconds.
+ int linger;
+
+ // Minimum interval between attempts to reconnect, in milliseconds.
+ // Default 100ms
+ int reconnect_ivl;
+ // Maximum interval between attempts to reconnect, in milliseconds.
+ // Default 0 (unused)
+ int reconnect_ivl_max;
+
+ // Maximum backlog for pending connections.
+ int backlog;
+
// These options are never set by the user directly. Instead they are
// provided by the specific socket type.
bool requires_in;
diff --git a/src/own.cpp b/src/own.cpp
new file mode 100644
index 0000000..57e183a
--- /dev/null
+++ b/src/own.cpp
@@ -0,0 +1,214 @@
+/*
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+
+ This file is part of 0MQ.
+
+ 0MQ is free software; you can redistribute it and/or modify it under
+ the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ 0MQ is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "own.hpp"
+#include "err.hpp"
+#include "io_thread.hpp"
+
+zmq::own_t::own_t (class ctx_t *parent_, uint32_t tid_) :
+ object_t (parent_, tid_),
+ terminating (false),
+ sent_seqnum (0),
+ processed_seqnum (0),
+ owner (NULL),
+ term_acks (0)
+{
+}
+
+zmq::own_t::own_t (io_thread_t *io_thread_, const options_t &options_) :
+ object_t (io_thread_),
+ options (options_),
+ terminating (false),
+ sent_seqnum (0),
+ processed_seqnum (0),
+ owner (NULL),
+ term_acks (0)
+{
+}
+
+zmq::own_t::~own_t ()
+{
+}
+
+void zmq::own_t::set_owner (own_t *owner_)
+{
+ zmq_assert (!owner);
+ owner = owner_;
+}
+
+void zmq::own_t::inc_seqnum ()
+{
+ // This function may be called from a different thread!
+ sent_seqnum.add (1);
+}
+
+void zmq::own_t::process_seqnum ()
+{
+ // Catch up with counter of processed commands.
+ processed_seqnum++;
+
+ // We may have catched up and still have pending terms acks.
+ check_term_acks ();
+}
+
+void zmq::own_t::launch_child (own_t *object_)
+{
+ // Specify the owner of the object.
+ object_->set_owner (this);
+
+ // Plug the object into the I/O thread.
+ send_plug (object_);
+
+ // Take ownership of the object.
+ send_own (this, object_);
+}
+
+void zmq::own_t::launch_sibling (own_t *object_)
+{
+ // At this point it is important that object is plugged in before its
+ // owner has a chance to terminate it. Thus, 'plug' command is sent before
+ // the 'own' command. Given that the mailbox preserves ordering of
+ // commands, 'term' command from the owner cannot make it to the object
+ // before the already written 'plug' command.
+
+ // Specify the owner of the object.
+ object_->set_owner (owner);
+
+ // Plug the object into its I/O thread.
+ send_plug (object_);
+
+ // Make parent own the object.
+ send_own (owner, object_);
+}
+
+void zmq::own_t::process_term_req (own_t *object_)
+{
+ // When shutting down we can ignore termination requests from owned
+ // objects. The termination request was already sent to the object.
+ if (terminating)
+ return;
+
+ // If I/O object is well and alive let's ask it to terminate.
+ owned_t::iterator it = std::find (owned.begin (), owned.end (), object_);
+
+ // If not found, we assume that termination request was already sent to
+ // the object so we can safely ignore the request.
+ if (it == owned.end ())
+ return;
+
+ owned.erase (it);
+ register_term_acks (1);
+
+ // Note that this object is the root of the (partial shutdown) thus, its
+ // value of linger is used, rather than the value stored by the children.
+ send_term (object_, options.linger);
+}
+
+void zmq::own_t::process_own (own_t *object_)
+{
+ // If the object is already being shut down, new owned objects are
+ // immediately asked to terminate. Note that linger is set to zero.
+ if (terminating) {
+ register_term_acks (1);
+ send_term (object_, 0);
+ return;
+ }
+
+ // Store the reference to the owned object.
+ owned.insert (object_);
+}
+
+void zmq::own_t::terminate ()
+{
+ // If termination is already underway, there's no point
+ // in starting it anew.
+ if (terminating)
+ return;
+
+ // As for the root of the ownership tree, there's noone to terminate it,
+ // so it has to terminate itself.
+ if (!owner) {
+ process_term (options.linger);
+ return;
+ }
+
+ // If I am an owned object, I'll ask my owner to terminate me.
+ send_term_req (owner, this);
+}
+
+void zmq::own_t::process_term (int linger_)
+{
+ // Double termination should never happen.
+ zmq_assert (!terminating);
+
+ // Send termination request to all owned objects.
+ for (owned_t::iterator it = owned.begin (); it != owned.end (); ++it)
+ send_term (*it, linger_);
+ register_term_acks (owned.size ());
+ owned.clear ();
+
+ // Start termination process and check whether by chance we cannot
+ // terminate immediately.
+ terminating = true;
+ check_term_acks ();
+}
+
+void zmq::own_t::register_term_acks (int count_)
+{
+ term_acks += count_;
+}
+
+void zmq::own_t::unregister_term_ack ()
+{
+ zmq_assert (term_acks > 0);
+ term_acks--;
+
+ // This may be a last ack we are waiting for before termination...
+ check_term_acks ();
+}
+
+void zmq::own_t::process_term_ack ()
+{
+ unregister_term_ack ();
+}
+
+void zmq::own_t::check_term_acks ()
+{
+ if (terminating && processed_seqnum == sent_seqnum.get () &&
+ term_acks == 0) {
+
+ // Sanity check. There should be no active children at this point.
+ zmq_assert (owned.empty ());
+
+ // The root object has nobody to confirm the termination to.
+ // Other nodes will confirm the termination to the owner.
+ if (owner)
+ send_term_ack (owner);
+
+ // Deallocate the resources.
+ process_destroy ();
+ }
+}
+
+void zmq::own_t::process_destroy ()
+{
+ delete this;
+}
+
diff --git a/src/own.hpp b/src/own.hpp
new file mode 100644
index 0000000..5023a30
--- /dev/null
+++ b/src/own.hpp
@@ -0,0 +1,140 @@
+/*
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+
+ This file is part of 0MQ.
+
+ 0MQ is free software; you can redistribute it and/or modify it under
+ the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ 0MQ is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __ZMQ_OWN_HPP_INCLUDED__
+#define __ZMQ_OWN_HPP_INCLUDED__
+
+#include <set>
+#include <algorithm>
+
+#include "object.hpp"
+#include "options.hpp"
+#include "atomic_counter.hpp"
+#include "stdint.hpp"
+
+namespace zmq
+{
+
+ // Base class for objects forming a part of ownership hierarchy.
+ // It handles initialisation and destruction of such objects.
+
+ class own_t : public object_t
+ {
+ public:
+
+ // Note that the owner is unspecified in the constructor.
+ // It'll be supplied later on when the object is plugged in.
+
+ // The object is not living within an I/O thread. It has it's own
+ // thread outside of 0MQ infrastructure.
+ own_t (class ctx_t *parent_, uint32_t tid_);
+
+ // The object is living within I/O thread.
+ own_t (class io_thread_t *io_thread_, const options_t &options_);
+
+ // When another owned object wants to send command to this object
+ // it calls this function to let it know it should not shut down
+ // before the command is delivered.
+ void inc_seqnum ();
+
+ // Use following two functions to wait for arbitrary events before
+ // terminating. Just add number of events to wait for using
+ // register_tem_acks functions. When event occurs, call
+ // remove_term_ack. When number of pending acks reaches zero
+ // object will be deallocated.
+ void register_term_acks (int count_);
+ void unregister_term_ack ();
+
+ protected:
+
+ // Launch the supplied object and become its owner.
+ void launch_child (own_t *object_);
+
+ // Launch the supplied object and make it your sibling (make your
+ // owner become its owner as well).
+ void launch_sibling (own_t *object_);
+
+ // Ask owner object to terminate this object. It may take a while
+ // while actual termination is started. This function should not be
+ // called more than once.
+ void terminate ();
+
+ // Derived object destroys own_t. There's no point in allowing
+ // others to invoke the destructor. At the same time, it has to be
+ // virtual so that generic own_t deallocation mechanism destroys
+ // specific type of the owned object correctly.
+ virtual ~own_t ();
+
+ // Term handler is protocted rather than private so that it can
+ // be intercepted by the derived class. This is useful to add custom
+ // steps to the beginning of the termination process.
+ void process_term (int linger_);
+
+ // A place to hook in when phyicallal destruction of the object
+ // is to be delayed.
+ virtual void process_destroy ();
+
+ // Socket options associated with this object.
+ options_t options;
+
+ private:
+
+ // Set owner of the object
+ void set_owner (own_t *owner_);
+
+ // Handlers for incoming commands.
+ void process_own (own_t *object_);
+ void process_term_req (own_t *object_);
+ void process_term_ack ();
+ void process_seqnum ();
+
+ // Check whether all the peding term acks were delivered.
+ // If so, deallocate this object.
+ void check_term_acks ();
+
+ // True if termination was already initiated. If so, we can destroy
+ // the object if there are no more child objects or pending term acks.
+ bool terminating;
+
+ // Sequence number of the last command sent to this object.
+ atomic_counter_t sent_seqnum;
+
+ // Sequence number of the last command processed by this object.
+ uint64_t processed_seqnum;
+
+ // Socket owning this object. It's responsible for shutting down
+ // this object.
+ own_t *owner;
+
+ // List of all objects owned by this socket. We are responsible
+ // for deallocating them before we quit.
+ typedef std::set <own_t*> owned_t;
+ owned_t owned;
+
+ // Number of events we have to get before we can destroy the object.
+ int term_acks;
+
+ own_t (const own_t&);
+ const own_t &operator = (const own_t&);
+ };
+
+}
+
+#endif
diff --git a/src/owned.cpp b/src/owned.cpp
deleted file mode 100644
index d6be444..0000000
--- a/src/owned.cpp
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
- Copyright (c) 2007-2010 iMatix Corporation
-
- This file is part of 0MQ.
-
- 0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- 0MQ is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
-
- You should have received a copy of the Lesser GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include "owned.hpp"
-#include "err.hpp"
-
-zmq::owned_t::owned_t (object_t *parent_, socket_base_t *owner_) :
- object_t (parent_),
- owner (owner_),
- sent_seqnum (0),
- processed_seqnum (0),
- shutting_down (false)
-{
-}
-
-zmq::owned_t::~owned_t ()
-{
-}
-
-void zmq::owned_t::inc_seqnum ()
-{
- // NB: This function may be called from a different thread!
- sent_seqnum.add (1);
-}
-
-void zmq::owned_t::term ()
-{
- send_term_req (owner, this);
-}
-
-void zmq::owned_t::process_term ()
-{
- zmq_assert (!shutting_down);
- shutting_down = true;
- finalise ();
-}
-
-void zmq::owned_t::process_seqnum ()
-{
- // Catch up with counter of processed commands.
- processed_seqnum++;
- finalise ();
-}
-
-void zmq::owned_t::finalise ()
-{
- // If termination request was already received and there are no more
- // commands to wait for, terminate the object.
- if (shutting_down && processed_seqnum == sent_seqnum.get ()) {
- process_unplug ();
- send_term_ack (owner);
- delete this;
- }
-}
-
diff --git a/src/owned.hpp b/src/owned.hpp
deleted file mode 100644
index 91189a1..0000000
--- a/src/owned.hpp
+++ /dev/null
@@ -1,89 +0,0 @@
-/*
- Copyright (c) 2007-2010 iMatix Corporation
-
- This file is part of 0MQ.
-
- 0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- 0MQ is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
-
- You should have received a copy of the Lesser GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#ifndef __ZMQ_OWNED_HPP_INCLUDED__
-#define __ZMQ_OWNED_HPP_INCLUDED__
-
-#include "socket_base.hpp"
-#include "atomic_counter.hpp"
-#include "stdint.hpp"
-
-namespace zmq
-{
-
- // Base class for objects owned by individual sockets. Handles
- // initialisation and destruction of such objects.
-
- class owned_t : public object_t
- {
- public:
-
- // The object will live in parent's thread, however, its lifetime
- // will be managed by its owner socket.
- owned_t (object_t *parent_, socket_base_t *owner_);
-
- // When another owned object wants to send command to this object
- // it calls this function to let it know it should not shut down
- // before the command is delivered.
- void inc_seqnum ();
-
- protected:
-
- // Ask owner socket to terminate this object.
- void term ();
-
- // Derived object destroys owned_t. No point in allowing others to
- // invoke the destructor. At the same time, it has to be virtual so
- // that generic owned_t deallocation mechanism destroys specific type
- // of the owned object correctly.
- virtual ~owned_t ();
-
- // io_object_t defines a new handler used to disconnect the object
- // from the poller object. Implement the handlen in the derived
- // classes to ensure sane cleanup.
- virtual void process_unplug () = 0;
-
- // Socket owning this object. When the socket is being closed it's
- // responsible for shutting down this object.
- socket_base_t *owner;
-
- private:
-
- // Handlers for incoming commands.
- void process_term ();
- void process_seqnum ();
-
- void finalise ();
-
- // Sequence number of the last command sent to this object.
- atomic_counter_t sent_seqnum;
-
- // Sequence number of the last command processed by this object.
- uint64_t processed_seqnum;
-
- // If true, the object is already shutting down.
- bool shutting_down;
-
- owned_t (const owned_t&);
- void operator = (const owned_t&);
- };
-
-}
-
-#endif
diff --git a/src/pair.cpp b/src/pair.cpp
index 3872b28..1acc60f 100644
--- a/src/pair.cpp
+++ b/src/pair.cpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -23,68 +24,96 @@
#include "err.hpp"
#include "pipe.hpp"
-zmq::pair_t::pair_t (class app_thread_t *parent_) :
- socket_base_t (parent_),
+zmq::pair_t::pair_t (class ctx_t *parent_, uint32_t tid_) :
+ socket_base_t (parent_, tid_),
inpipe (NULL),
outpipe (NULL),
- alive (true)
+ inpipe_alive (false),
+ outpipe_alive (false),
+ terminating (false)
{
+ options.type = ZMQ_PAIR;
options.requires_in = true;
options.requires_out = true;
}
zmq::pair_t::~pair_t ()
{
- if (inpipe)
- inpipe->term ();
- if (outpipe)
- outpipe->term ();
+ zmq_assert (!inpipe);
+ zmq_assert (!outpipe);
}
-void zmq::pair_t::xattach_pipes (class reader_t *inpipe_,
- class writer_t *outpipe_, const blob_t &peer_identity_)
+void zmq::pair_t::xattach_pipes (reader_t *inpipe_, writer_t *outpipe_,
+ const blob_t &peer_identity_)
{
zmq_assert (!inpipe && !outpipe);
+
inpipe = inpipe_;
+ inpipe_alive = true;
+ inpipe->set_event_sink (this);
+
outpipe = outpipe_;
outpipe_alive = true;
+ outpipe->set_event_sink (this);
+
+ if (terminating) {
+ register_term_acks (2);
+ inpipe_->terminate ();
+ outpipe_->terminate ();
+ }
}
-void zmq::pair_t::xdetach_inpipe (class reader_t *pipe_)
+void zmq::pair_t::terminated (reader_t *pipe_)
{
zmq_assert (pipe_ == inpipe);
inpipe = NULL;
+ inpipe_alive = false;
+
+ if (terminating)
+ unregister_term_ack ();
}
-void zmq::pair_t::xdetach_outpipe (class writer_t *pipe_)
+void zmq::pair_t::terminated (writer_t *pipe_)
{
zmq_assert (pipe_ == outpipe);
outpipe = NULL;
+ outpipe_alive = false;
+
+ if (terminating)
+ unregister_term_ack ();
}
-void zmq::pair_t::xkill (class reader_t *pipe_)
+void zmq::pair_t::delimited (reader_t *pipe_)
{
- zmq_assert (alive);
- alive = false;
}
-void zmq::pair_t::xrevive (class reader_t *pipe_)
+void zmq::pair_t::process_term (int linger_)
{
- zmq_assert (!alive);
- alive = true;
+ terminating = true;
+
+ if (inpipe) {
+ register_term_acks (1);
+ inpipe->terminate ();
+ }
+
+ if (outpipe) {
+ register_term_acks (1);
+ outpipe->terminate ();
+ }
+
+ socket_base_t::process_term (linger_);
}
-void zmq::pair_t::xrevive (class writer_t *pipe_)
+void zmq::pair_t::activated (class reader_t *pipe_)
{
- zmq_assert (!outpipe_alive);
- outpipe_alive = true;
+ zmq_assert (!inpipe_alive);
+ inpipe_alive = true;
}
-int zmq::pair_t::xsetsockopt (int option_, const void *optval_,
- size_t optvallen_)
+void zmq::pair_t::activated (class writer_t *pipe_)
{
- errno = EINVAL;
- return -1;
+ zmq_assert (!outpipe_alive);
+ outpipe_alive = true;
}
int zmq::pair_t::xsend (zmq_msg_t *msg_, int flags_)
@@ -100,7 +129,8 @@ int zmq::pair_t::xsend (zmq_msg_t *msg_, int flags_)
return -1;
}
- outpipe->flush ();
+ if (!(flags_ & ZMQ_SNDMORE))
+ outpipe->flush ();
// Detach the original message from the data buffer.
int rc = zmq_msg_init (msg_);
@@ -114,9 +144,12 @@ int zmq::pair_t::xrecv (zmq_msg_t *msg_, int flags_)
// Deallocate old content of the message.
zmq_msg_close (msg_);
- if (!alive || !inpipe || !inpipe->read (msg_)) {
- // No message is available. Initialise the output parameter
- // to be a 0-byte message.
+ if (!inpipe_alive || !inpipe || !inpipe->read (msg_)) {
+
+ // No message is available.
+ inpipe_alive = false;
+
+ // Initialise the output parameter to be a 0-byte message.
zmq_msg_init (msg_);
errno = EAGAIN;
return -1;
@@ -126,17 +159,22 @@ int zmq::pair_t::xrecv (zmq_msg_t *msg_, int flags_)
bool zmq::pair_t::xhas_in ()
{
- if (alive && inpipe && inpipe->check_read ())
- return true;
- return false;
+ if (!inpipe || !inpipe_alive)
+ return false;
+
+ inpipe_alive = inpipe->check_read ();
+ return inpipe_alive;
}
bool zmq::pair_t::xhas_out ()
{
- if (outpipe == NULL || !outpipe_alive)
+ if (!outpipe || !outpipe_alive)
return false;
- outpipe_alive = outpipe->check_write ();
+ zmq_msg_t msg;
+ zmq_msg_init (&msg);
+ outpipe_alive = outpipe->check_write (&msg);
+ zmq_msg_close (&msg);
return outpipe_alive;
}
diff --git a/src/pair.hpp b/src/pair.hpp
index aea249f..54e60b5 100644
--- a/src/pair.hpp
+++ b/src/pair.hpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -21,41 +22,53 @@
#define __ZMQ_PAIR_HPP_INCLUDED__
#include "socket_base.hpp"
+#include "pipe.hpp"
namespace zmq
{
- class pair_t : public socket_base_t
+ class pair_t :
+ public socket_base_t,
+ public i_reader_events,
+ public i_writer_events
{
public:
- pair_t (class app_thread_t *parent_);
+ pair_t (class ctx_t *parent_, uint32_t tid_);
~pair_t ();
// Overloads of functions from socket_base_t.
void xattach_pipes (class reader_t *inpipe_, class writer_t *outpipe_,
const blob_t &peer_identity_);
- void xdetach_inpipe (class reader_t *pipe_);
- void xdetach_outpipe (class writer_t *pipe_);
- void xkill (class reader_t *pipe_);
- void xrevive (class reader_t *pipe_);
- void xrevive (class writer_t *pipe_);
- int xsetsockopt (int option_, const void *optval_, size_t optvallen_);
int xsend (zmq_msg_t *msg_, int flags_);
int xrecv (zmq_msg_t *msg_, int flags_);
bool xhas_in ();
bool xhas_out ();
+ // i_reader_events interface implementation.
+ void activated (class reader_t *pipe_);
+ void terminated (class reader_t *pipe_);
+ void delimited (class reader_t *pipe_);
+
+ // i_writer_events interface implementation.
+ void activated (class writer_t *pipe_);
+ void terminated (class writer_t *pipe_);
+
private:
+ // Hook into termination process.
+ void process_term (int linger_);
+
class reader_t *inpipe;
class writer_t *outpipe;
- bool alive;
+ bool inpipe_alive;
bool outpipe_alive;
+ bool terminating;
+
pair_t (const pair_t&);
- void operator = (const pair_t&);
+ const pair_t &operator = (const pair_t&);
};
}
diff --git a/src/pgm_receiver.cpp b/src/pgm_receiver.cpp
index 048c529..4fadadc 100644
--- a/src/pgm_receiver.cpp
+++ b/src/pgm_receiver.cpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -36,6 +37,7 @@
zmq::pgm_receiver_t::pgm_receiver_t (class io_thread_t *parent_,
const options_t &options_) :
io_object_t (parent_),
+ has_rx_timer (false),
pgm_socket (true, options_),
options (options_),
inout (NULL),
@@ -55,7 +57,7 @@ int zmq::pgm_receiver_t::init (bool udp_encapsulation_, const char *network_)
return pgm_socket.init (udp_encapsulation_, network_);
}
-void zmq::pgm_receiver_t::plug (i_inout *inout_)
+void zmq::pgm_receiver_t::plug (io_thread_t *io_thread_, i_inout *inout_)
{
// Retrieve PGM fds and start polling.
int socket_fd;
@@ -72,7 +74,7 @@ void zmq::pgm_receiver_t::plug (i_inout *inout_)
void zmq::pgm_receiver_t::unplug ()
{
// Delete decoders.
- for (peers_t::iterator it = peers.begin (); it != peers.end (); it++) {
+ for (peers_t::iterator it = peers.begin (); it != peers.end (); ++it) {
if (it->second.decoder != NULL)
delete it->second.decoder;
}
@@ -81,19 +83,29 @@ void zmq::pgm_receiver_t::unplug ()
mru_decoder = NULL;
pending_bytes = 0;
- // Stop polling.
+ if (has_rx_timer) {
+ cancel_timer (rx_timer_id);
+ has_rx_timer = false;
+ }
+
rm_fd (socket_handle);
rm_fd (pipe_handle);
inout = NULL;
}
-void zmq::pgm_receiver_t::revive ()
+void zmq::pgm_receiver_t::terminate ()
+{
+ unplug ();
+ delete this;
+}
+
+void zmq::pgm_receiver_t::activate_out ()
{
zmq_assert (false);
}
-void zmq::pgm_receiver_t::resume_input ()
+void zmq::pgm_receiver_t::activate_in ()
{
// It is possible that the most recently used decoder
// processed the whole buffer but failed to write
@@ -129,17 +141,31 @@ void zmq::pgm_receiver_t::in_event ()
zmq_assert (pending_bytes == 0);
+ if (has_rx_timer) {
+ cancel_timer (rx_timer_id);
+ has_rx_timer = false;
+ }
+
// TODO: This loop can effectively block other engines in the same I/O
// thread in the case of high load.
while (true) {
// Get new batch of data.
- ssize_t received = pgm_socket.receive ((void**) &data, &tsi);
+ // Note the workaround made not to break strict-aliasing rules.
+ void *tmp = NULL;
+ ssize_t received = pgm_socket.receive (&tmp, &tsi);
+ data = (unsigned char*) tmp;
// No data to process. This may happen if the packet received is
// neither ODATA nor ODATA.
- if (received == 0)
+ if (received == 0) {
+ if (errno == ENOMEM || errno == EBUSY) {
+ const long timeout = pgm_socket.get_rx_timeout ();
+ add_timer (timeout, rx_timer_id);
+ has_rx_timer = true;
+ }
break;
+ }
// Find the peer based on its TSI.
peers_t::iterator it = peers.find (*tsi);
@@ -161,7 +187,7 @@ void zmq::pgm_receiver_t::in_event ()
// New peer. Add it to the list of know but unjoint peers.
if (it == peers.end ()) {
peer_info_t peer_info = {false, NULL};
- it = peers.insert (std::make_pair (*tsi, peer_info)).first;
+ it = peers.insert (peers_t::value_type (*tsi, peer_info)).first;
}
// Read the offset of the fist message in the current packet.
@@ -189,7 +215,8 @@ void zmq::pgm_receiver_t::in_event ()
it->second.joined = true;
// Create and connect decoder for the peer.
- it->second.decoder = new (std::nothrow) zmq_decoder_t (0);
+ it->second.decoder = new (std::nothrow) decoder_t (0);
+ alloc_assert (it->second.decoder);
it->second.decoder->set_inout (inout);
}
@@ -205,6 +232,12 @@ void zmq::pgm_receiver_t::in_event ()
reset_pollin (pipe_handle);
reset_pollin (socket_handle);
+ // Reset outstanding timer.
+ if (has_rx_timer) {
+ cancel_timer (rx_timer_id);
+ has_rx_timer = false;
+ }
+
break;
}
}
@@ -213,5 +246,14 @@ void zmq::pgm_receiver_t::in_event ()
inout->flush ();
}
+void zmq::pgm_receiver_t::timer_event (int token)
+{
+ zmq_assert (token == rx_timer_id);
+
+ // Timer cancels on return by poller_base.
+ has_rx_timer = false;
+ in_event ();
+}
+
#endif
diff --git a/src/pgm_receiver.hpp b/src/pgm_receiver.hpp
index 1b367bf..172557f 100644
--- a/src/pgm_receiver.hpp
+++ b/src/pgm_receiver.hpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -34,7 +35,7 @@
#include "io_object.hpp"
#include "i_engine.hpp"
#include "options.hpp"
-#include "zmq_decoder.hpp"
+#include "decoder.hpp"
#include "pgm_socket.hpp"
namespace zmq
@@ -51,36 +52,42 @@ namespace zmq
int init (bool udp_encapsulation_, const char *network_);
// i_engine interface implementation.
- void plug (struct i_inout *inout_);
+ void plug (class io_thread_t *io_thread_, struct i_inout *inout_);
void unplug ();
- void revive ();
- void resume_input ();
+ void terminate ();
+ void activate_in ();
+ void activate_out ();
// i_poll_events interface implementation.
void in_event ();
+ void timer_event (int token);
private:
+ // RX timeout timer ID.
+ enum {rx_timer_id = 0xa1};
+
+ // RX timer is running.
+ bool has_rx_timer;
+
// If joined is true we are already getting messages from the peer.
// It it's false, we are getting data but still we haven't seen
// beginning of a message.
struct peer_info_t
{
bool joined;
- zmq_decoder_t *decoder;
+ decoder_t *decoder;
};
struct tsi_comp
{
- inline bool operator () (const pgm_tsi_t &ltsi,
+ bool operator () (const pgm_tsi_t &ltsi,
const pgm_tsi_t &rtsi) const
{
- if (ltsi.sport < rtsi.sport)
- return true;
-
- return (std::lexicographical_compare (ltsi.gsi.identifier,
- ltsi.gsi.identifier + 6,
- rtsi.gsi.identifier, rtsi.gsi.identifier + 6));
+ uint32_t ll[2], rl[2];
+ memcpy (ll, &ltsi, sizeof (ll));
+ memcpy (rl, &rtsi, sizeof (rl));
+ return (ll[0] < rl[0]) || (ll[0] == rl[0] && ll[1] < rl[1]);
}
};
@@ -97,7 +104,7 @@ namespace zmq
i_inout *inout;
// Most recently used decoder.
- zmq_decoder_t *mru_decoder;
+ decoder_t *mru_decoder;
// Number of bytes not consumed by the decoder due to pipe overflow.
size_t pending_bytes;
@@ -112,7 +119,7 @@ namespace zmq
handle_t pipe_handle;
pgm_receiver_t (const pgm_receiver_t&);
- void operator = (const pgm_receiver_t&);
+ const pgm_receiver_t &operator = (const pgm_receiver_t&);
};
}
diff --git a/src/pgm_sender.cpp b/src/pgm_sender.cpp
index 9aeb7a9..4d76433 100644
--- a/src/pgm_sender.cpp
+++ b/src/pgm_sender.cpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -36,6 +37,8 @@
zmq::pgm_sender_t::pgm_sender_t (io_thread_t *parent_,
const options_t &options_) :
io_object_t (parent_),
+ has_tx_timer (false),
+ has_rx_timer (false),
encoder (0),
pgm_socket (false, options_),
options (options_),
@@ -53,12 +56,12 @@ int zmq::pgm_sender_t::init (bool udp_encapsulation_, const char *network_)
out_buffer_size = pgm_socket.get_max_tsdu_size ();
out_buffer = (unsigned char*) malloc (out_buffer_size);
- zmq_assert (out_buffer);
+ alloc_assert (out_buffer);
return rc;
}
-void zmq::pgm_sender_t::plug (i_inout *inout_)
+void zmq::pgm_sender_t::plug (io_thread_t *io_thread_, i_inout *inout_)
{
// Alocate 2 fds for PGM socket.
int downlink_socket_fd = 0;
@@ -89,6 +92,16 @@ void zmq::pgm_sender_t::plug (i_inout *inout_)
void zmq::pgm_sender_t::unplug ()
{
+ if (has_rx_timer) {
+ cancel_timer (rx_timer_id);
+ has_rx_timer = false;
+ }
+
+ if (has_tx_timer) {
+ cancel_timer (tx_timer_id);
+ has_tx_timer = false;
+ }
+
rm_fd (handle);
rm_fd (uplink_handle);
rm_fd (rdata_notify_handle);
@@ -96,13 +109,19 @@ void zmq::pgm_sender_t::unplug ()
encoder.set_inout (NULL);
}
-void zmq::pgm_sender_t::revive ()
+void zmq::pgm_sender_t::terminate ()
+{
+ unplug ();
+ delete this;
+}
+
+void zmq::pgm_sender_t::activate_out ()
{
set_pollout (handle);
out_event ();
}
-void zmq::pgm_sender_t::resume_input ()
+void zmq::pgm_sender_t::activate_in ()
{
zmq_assert (false);
}
@@ -117,8 +136,18 @@ zmq::pgm_sender_t::~pgm_sender_t ()
void zmq::pgm_sender_t::in_event ()
{
- // In event on sender side means NAK or SPMR receiving from some peer.
+ if (has_rx_timer) {
+ cancel_timer (rx_timer_id);
+ has_rx_timer = false;
+ }
+
+ // In-event on sender side means NAK or SPMR receiving from some peer.
pgm_socket.process_upstream ();
+ if (errno == ENOMEM || errno == EBUSY) {
+ const long timeout = pgm_socket.get_rx_timeout ();
+ add_timer (timeout, rx_timer_id);
+ has_rx_timer = true;
+ }
}
void zmq::pgm_sender_t::out_event ()
@@ -146,14 +175,40 @@ void zmq::pgm_sender_t::out_event ()
put_uint16 (out_buffer, offset == -1 ? 0xffff : (uint16_t) offset);
}
+ if (has_tx_timer) {
+ cancel_timer (tx_timer_id);
+ has_tx_timer = false;
+ }
+
// Send the data.
size_t nbytes = pgm_socket.send (out_buffer, write_size);
// We can write either all data or 0 which means rate limit reached.
- if (nbytes == write_size)
+ if (nbytes == write_size) {
write_size = 0;
- else
+ } else {
zmq_assert (nbytes == 0);
+
+ if (errno == ENOMEM) {
+ const long timeout = pgm_socket.get_tx_timeout ();
+ add_timer (timeout, tx_timer_id);
+ has_tx_timer = true;
+ } else
+ zmq_assert (errno == EBUSY);
+ }
+}
+
+void zmq::pgm_sender_t::timer_event (int token)
+{
+ // Timer cancels on return by poller_base.
+ if (token == rx_timer_id) {
+ has_rx_timer = false;
+ in_event ();
+ } else if (token == tx_timer_id) {
+ has_tx_timer = false;
+ out_event ();
+ } else
+ zmq_assert (false);
}
#endif
diff --git a/src/pgm_sender.hpp b/src/pgm_sender.hpp
index 23a53bc..4a21b3f 100644
--- a/src/pgm_sender.hpp
+++ b/src/pgm_sender.hpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -33,7 +34,7 @@
#include "i_engine.hpp"
#include "options.hpp"
#include "pgm_socket.hpp"
-#include "zmq_encoder.hpp"
+#include "encoder.hpp"
namespace zmq
{
@@ -49,19 +50,28 @@ namespace zmq
int init (bool udp_encapsulation_, const char *network_);
// i_engine interface implementation.
- void plug (struct i_inout *inout_);
+ void plug (class io_thread_t *io_thread_, struct i_inout *inout_);
void unplug ();
- void revive ();
- void resume_input ();
+ void terminate ();
+ void activate_in ();
+ void activate_out ();
// i_poll_events interface implementation.
void in_event ();
void out_event ();
+ void timer_event (int token);
private:
+ // TX and RX timeout timer ID's.
+ enum {tx_timer_id = 0xa0, rx_timer_id = 0xa1};
+
+ // Timers are running.
+ bool has_tx_timer;
+ bool has_rx_timer;
+
// Message encoder.
- zmq_encoder_t encoder;
+ encoder_t encoder;
// PGM socket.
pgm_socket_t pgm_socket;
@@ -86,7 +96,7 @@ namespace zmq
size_t write_size;
pgm_sender_t (const pgm_sender_t&);
- void operator = (const pgm_sender_t&);
+ const pgm_sender_t &operator = (const pgm_sender_t&);
};
}
diff --git a/src/pgm_socket.cpp b/src/pgm_socket.cpp
index 5a952a7..5a82907 100644
--- a/src/pgm_socket.cpp
+++ b/src/pgm_socket.cpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -40,8 +41,12 @@
#include "uuid.hpp"
#include "stdint.hpp"
+#ifndef MSG_ERRQUEUE
+#define MSG_ERRQUEUE 0x2000
+#endif
+
zmq::pgm_socket_t::pgm_socket_t (bool receiver_, const options_t &options_) :
- transport (NULL),
+ sock (NULL),
options (options_),
receiver (receiver_),
pgm_msgv (NULL),
@@ -52,13 +57,18 @@ zmq::pgm_socket_t::pgm_socket_t (bool receiver_, const options_t &options_) :
{
}
+// Create, bind and connect PGM socket.
+// network_ of the form <interface & multicast group decls>:<IP port>
+// e.g. eth0;239.192.0.1:7500
+// link-local;224.250.0.1,224.250.0.2;224.250.0.3:8000
+// ;[fe80::1%en0]:7500
int zmq::pgm_socket_t::init (bool udp_encapsulation_, const char *network_)
{
// Can not open transport before destroying old one.
- zmq_assert (transport == NULL);
+ zmq_assert (sock == NULL);
- // Parse port number.
- const char *port_delim = strchr (network_, ':');
+ // Parse port number, start from end for IPv6
+ const char *port_delim = strrchr (network_, ':');
if (!port_delim) {
errno = EINVAL;
return -1;
@@ -73,261 +83,276 @@ int zmq::pgm_socket_t::init (bool udp_encapsulation_, const char *network_)
}
memset (network, '\0', sizeof (network));
memcpy (network, network_, port_delim - network_);
-
+
+ // Validate socket options
+ // Data rate is in [B/s]. options.rate is in [kb/s].
+ if (options.rate <= 0) {
+ errno = EINVAL;
+ return -1;
+ }
+ // Recovery interval [s] or [ms] - based on the user's call
+ if ((options.recovery_ivl <= 0) && (options.recovery_ivl_msec <= 0)) {
+ errno = EINVAL;
+ return -1;
+ }
+
// Zero counter used in msgrecv.
nbytes_rec = 0;
nbytes_processed = 0;
pgm_msgv_processed = 0;
- int rc;
- GError *pgm_error = NULL;
+ pgm_error_t *pgm_error = NULL;
+ struct pgm_addrinfo_t hints, *res = NULL;
+ sa_family_t sa_family;
- // PGM transport GSI.
- pgm_gsi_t gsi;
-
- std::string gsi_base;
-
- if (options.identity.size () > 0) {
-
- // Create gsi from identity.
- // TODO: We assume that identity is standard C string here.
- // What if it contains binary zeroes?
- gsi_base.assign ((const char*) options.identity.data (),
- options.identity.size ());
- } else {
+ memset (&hints, 0, sizeof (hints));
+ hints.ai_family = AF_UNSPEC;
+ if (!pgm_getaddrinfo (network, NULL, &res, &pgm_error)) {
- // Generate random gsi.
- gsi_base = uuid_t ().to_string ();
- }
+ // Invalid parameters don't set pgm_error_t.
+ zmq_assert (pgm_error != NULL);
+ if (pgm_error->domain == PGM_ERROR_DOMAIN_IF && (
- rc = pgm_gsi_create_from_string (&gsi, gsi_base.c_str (), -1);
- if (rc != TRUE) {
- errno = EINVAL;
- return -1;
- }
+ // NB: cannot catch EAI_BADFLAGS.
+ pgm_error->code != PGM_ERROR_SERVICE &&
+ pgm_error->code != PGM_ERROR_SOCKTNOSUPPORT))
- struct pgm_transport_info_t *res = NULL;
- struct pgm_transport_info_t hint;
- memset (&hint, 0, sizeof (hint));
- hint.ti_family = AF_INET;
-
- if (!pgm_if_get_transport_info (network, &hint, &res, &pgm_error)) {
- if (pgm_error->domain == PGM_IF_ERROR && (
- pgm_error->code == PGM_IF_ERROR_INVAL ||
- pgm_error->code == PGM_IF_ERROR_XDEV ||
- pgm_error->code == PGM_IF_ERROR_NODEV ||
- pgm_error->code == PGM_IF_ERROR_NOTUNIQ ||
- pgm_error->code == PGM_IF_ERROR_ADDRFAMILY ||
- pgm_error->code == PGM_IF_ERROR_FAMILY ||
- pgm_error->code == PGM_IF_ERROR_NODATA ||
- pgm_error->code == PGM_IF_ERROR_NONAME ||
- pgm_error->code == PGM_IF_ERROR_SERVICE)) {
- g_error_free (pgm_error);
- errno = EINVAL;
- return -1;
- }
+ // User, host, or network configuration or transient error.
+ goto err_abort;
+ // Fatal OpenPGM internal error.
zmq_assert (false);
}
- res->ti_gsi = gsi;
- res->ti_dport = port_number;
+ zmq_assert (res != NULL);
- // If we are using UDP encapsulation update gsr or res.
- if (udp_encapsulation_) {
- res->ti_udp_encap_ucast_port = port_number;
- res->ti_udp_encap_mcast_port = port_number;
- }
+ // Pick up detected IP family.
+ sa_family = res->ai_send_addrs[0].gsr_group.ss_family;
- if (!pgm_transport_create (&transport, res, &pgm_error)) {
- if (pgm_error->domain == PGM_TRANSPORT_ERROR && (
- pgm_error->code == PGM_TRANSPORT_ERROR_INVAL ||
- pgm_error->code == PGM_TRANSPORT_ERROR_PERM ||
- pgm_error->code == PGM_TRANSPORT_ERROR_NODEV)) {
- pgm_if_free_transport_info (res);
- g_error_free (pgm_error);
- errno = EINVAL;
- return -1;
+ // Create IP/PGM or UDP/PGM socket.
+ if (udp_encapsulation_) {
+ if (!pgm_socket (&sock, sa_family, SOCK_SEQPACKET, IPPROTO_UDP,
+ &pgm_error)) {
+
+ // Invalid parameters don't set pgm_error_t.
+ zmq_assert (pgm_error != NULL);
+ if (pgm_error->domain == PGM_ERROR_DOMAIN_SOCKET && (
+ pgm_error->code != PGM_ERROR_BADF &&
+ pgm_error->code != PGM_ERROR_FAULT &&
+ pgm_error->code != PGM_ERROR_NOPROTOOPT &&
+ pgm_error->code != PGM_ERROR_FAILED))
+
+ // User, host, or network configuration or transient error.
+ goto err_abort;
+
+ // Fatal OpenPGM internal error.
+ zmq_assert (false);
}
- zmq_assert (false);
+ // All options are of data type int
+ const int encapsulation_port = port_number;
+ if (!pgm_setsockopt (sock, IPPROTO_PGM, PGM_UDP_ENCAP_UCAST_PORT,
+ &encapsulation_port, sizeof (encapsulation_port)))
+ goto err_abort;
+ if (!pgm_setsockopt (sock, IPPROTO_PGM, PGM_UDP_ENCAP_MCAST_PORT,
+ &encapsulation_port, sizeof (encapsulation_port)))
+ goto err_abort;
}
-
- pgm_if_free_transport_info (res);
-
- // Common parameters for receiver and sender.
-
- // Set maximum transport protocol data unit size (TPDU).
- rc = pgm_transport_set_max_tpdu (transport, pgm_max_tpdu);
- if (rc != TRUE) {
- errno = EINVAL;
- return -1;
+ else {
+ if (!pgm_socket (&sock, sa_family, SOCK_SEQPACKET, IPPROTO_PGM,
+ &pgm_error)) {
+
+ // Invalid parameters don't set pgm_error_t.
+ zmq_assert (pgm_error != NULL);
+ if (pgm_error->domain == PGM_ERROR_DOMAIN_SOCKET && (
+ pgm_error->code != PGM_ERROR_BADF &&
+ pgm_error->code != PGM_ERROR_FAULT &&
+ pgm_error->code != PGM_ERROR_NOPROTOOPT &&
+ pgm_error->code != PGM_ERROR_FAILED))
+
+ // User, host, or network configuration or transient error.
+ goto err_abort;
+
+ // Fatal OpenPGM internal error.
+ zmq_assert (false);
+ }
}
- // Set maximum number of network hops to cross.
- rc = pgm_transport_set_hops (transport, 16);
- if (rc != TRUE) {
- errno = EINVAL;
- return -1;
- }
+ {
+ const int rcvbuf = (int) options.rcvbuf,
+ sndbuf = (int) options.sndbuf,
+ max_tpdu = (int) pgm_max_tpdu;
+ if (rcvbuf) {
+ if (!pgm_setsockopt (sock, SOL_SOCKET, SO_RCVBUF, &rcvbuf,
+ sizeof (rcvbuf)))
+ goto err_abort;
+ }
+ if (sndbuf) {
+ if (!pgm_setsockopt (sock, SOL_SOCKET, SO_SNDBUF, &sndbuf,
+ sizeof (sndbuf)))
+ goto err_abort;
+ }
- // Set nonblocking send/recv sockets.
- if (!pgm_transport_set_nonblocking (transport, true)) {
- errno = EINVAL;
- return -1;
+ // Set maximum transport protocol data unit size (TPDU).
+ if (!pgm_setsockopt (sock, IPPROTO_PGM, PGM_MTU, &max_tpdu,
+ sizeof (max_tpdu)))
+ goto err_abort;
}
if (receiver) {
+ const int recv_only = 1,
+ rxw_max_tpdu = (int) pgm_max_tpdu,
+ rxw_sqns = compute_sqns (rxw_max_tpdu),
+ peer_expiry = pgm_secs (300),
+ spmr_expiry = pgm_msecs (25),
+ nak_bo_ivl = pgm_msecs (50),
+ nak_rpt_ivl = pgm_msecs (200),
+ nak_rdata_ivl = pgm_msecs (200),
+ nak_data_retries = 50,
+ nak_ncf_retries = 50;
+
+ if (!pgm_setsockopt (sock, IPPROTO_PGM, PGM_RECV_ONLY, &recv_only,
+ sizeof (recv_only)) ||
+ !pgm_setsockopt (sock, IPPROTO_PGM, PGM_RXW_SQNS, &rxw_sqns,
+ sizeof (rxw_sqns)) ||
+ !pgm_setsockopt (sock, IPPROTO_PGM, PGM_PEER_EXPIRY, &peer_expiry,
+ sizeof (peer_expiry)) ||
+ !pgm_setsockopt (sock, IPPROTO_PGM, PGM_SPMR_EXPIRY, &spmr_expiry,
+ sizeof (spmr_expiry)) ||
+ !pgm_setsockopt (sock, IPPROTO_PGM, PGM_NAK_BO_IVL, &nak_bo_ivl,
+ sizeof (nak_bo_ivl)) ||
+ !pgm_setsockopt (sock, IPPROTO_PGM, PGM_NAK_RPT_IVL, &nak_rpt_ivl,
+ sizeof (nak_rpt_ivl)) ||
+ !pgm_setsockopt (sock, IPPROTO_PGM, PGM_NAK_RDATA_IVL,
+ &nak_rdata_ivl, sizeof (nak_rdata_ivl)) ||
+ !pgm_setsockopt (sock, IPPROTO_PGM, PGM_NAK_DATA_RETRIES,
+ &nak_data_retries, sizeof (nak_data_retries)) ||
+ !pgm_setsockopt (sock, IPPROTO_PGM, PGM_NAK_NCF_RETRIES,
+ &nak_ncf_retries, sizeof (nak_ncf_retries)))
+ goto err_abort;
+ } else {
+ const int send_only = 1,
+ max_rte = (int) ((options.rate * 1000) / 8),
+ txw_max_tpdu = (int) pgm_max_tpdu,
+ txw_sqns = compute_sqns (txw_max_tpdu),
+ ambient_spm = pgm_secs (30),
+ heartbeat_spm[] = { pgm_msecs (100),
+ pgm_msecs (100),
+ pgm_msecs (100),
+ pgm_msecs (100),
+ pgm_msecs (1300),
+ pgm_secs (7),
+ pgm_secs (16),
+ pgm_secs (25),
+ pgm_secs (30) };
+
+ if (!pgm_setsockopt (sock, IPPROTO_PGM, PGM_SEND_ONLY,
+ &send_only, sizeof (send_only)) ||
+ !pgm_setsockopt (sock, IPPROTO_PGM, PGM_ODATA_MAX_RTE,
+ &max_rte, sizeof (max_rte)) ||
+ !pgm_setsockopt (sock, IPPROTO_PGM, PGM_TXW_SQNS,
+ &txw_sqns, sizeof (txw_sqns)) ||
+ !pgm_setsockopt (sock, IPPROTO_PGM, PGM_AMBIENT_SPM,
+ &ambient_spm, sizeof (ambient_spm)) ||
+ !pgm_setsockopt (sock, IPPROTO_PGM, PGM_HEARTBEAT_SPM,
+ &heartbeat_spm, sizeof (heartbeat_spm)))
+ goto err_abort;
+ }
- // Receiver transport.
-
- // Note that NAKs are still generated by the transport.
- rc = pgm_transport_set_recv_only (transport, true, false);
- zmq_assert (rc == TRUE);
-
- if (options.rcvbuf) {
- rc = pgm_transport_set_rcvbuf (transport, (int) options.rcvbuf);
- if (rc != TRUE)
- return -1;
- }
-
- // Set NAK transmit back-off interval [us].
- rc = pgm_transport_set_nak_bo_ivl (transport, 50 * 1000);
- zmq_assert (rc == TRUE);
-
- // Set timeout before repeating NAK [us].
- rc = pgm_transport_set_nak_rpt_ivl (transport, 200 * 1000);
- zmq_assert (rc == TRUE);
-
- // Set timeout for receiving RDATA.
- rc = pgm_transport_set_nak_rdata_ivl (transport, 200 * 1000);
- zmq_assert (rc == TRUE);
-
- // Set retries for NAK without NCF/DATA (NAK_DATA_RETRIES).
- rc = pgm_transport_set_nak_data_retries (transport, 5);
- zmq_assert (rc == TRUE);
-
- // Set retries for NCF after NAK (NAK_NCF_RETRIES).
- rc = pgm_transport_set_nak_ncf_retries (transport, 2);
- zmq_assert (rc == TRUE);
-
- // Set timeout for removing a dead peer [us].
- rc = pgm_transport_set_peer_expiry (transport, 5 * 8192 * 1000);
- zmq_assert (rc == TRUE);
-
- // Set expiration time of SPM Requests [us].
- rc = pgm_transport_set_spmr_expiry (transport, 25 * 1000);
- zmq_assert (rc == TRUE);
+ // PGM transport GSI.
+ struct pgm_sockaddr_t addr;
- // Set the size of the receive window.
- // Data rate is in [B/s]. options.rate is in [kb/s].
- if (options.rate <= 0) {
- errno = EINVAL;
- return -1;
- }
- rc = pgm_transport_set_rxw_max_rte (transport,
- options.rate * 1000 / 8);
- if (rc != TRUE) {
- errno = EINVAL;
- return -1;
- }
+ memset (&addr, 0, sizeof(addr));
+ addr.sa_port = port_number;
+ addr.sa_addr.sport = DEFAULT_DATA_SOURCE_PORT;
- // Recovery interval [s].
- if (options.recovery_ivl <= 0) {
- errno = EINVAL;
- return -1;
- }
- rc = pgm_transport_set_rxw_secs (transport, options.recovery_ivl);
- if (rc != TRUE) {
- errno = EINVAL;
- return -1;
- }
+ if (options.identity.size () > 0) {
+ // Create gsi from identity.
+ if (!pgm_gsi_create_from_data (&addr.sa_addr.gsi,
+ options.identity.data (), options.identity.size ()))
+ goto err_abort;
} else {
- // Sender transport.
+ // Generate random gsi.
+ std::string gsi_base = uuid_t ().to_string ();
+ if (!pgm_gsi_create_from_string (&addr.sa_addr.gsi,
+ gsi_base.c_str (), -1))
+ goto err_abort;
+ }
- // Waiting pipe won't be read.
- rc = pgm_transport_set_send_only (transport, TRUE);
- zmq_assert (rc == TRUE);
+ // Bind a transport to the specified network devices.
+ struct pgm_interface_req_t if_req;
+ memset (&if_req, 0, sizeof(if_req));
+ if_req.ir_interface = res->ai_recv_addrs[0].gsr_interface;
+ if_req.ir_scope_id = 0;
+ if (AF_INET6 == sa_family) {
+ struct sockaddr_in6 sa6;
+ memcpy (&sa6, &res->ai_recv_addrs[0].gsr_group, sizeof (sa6));
+ if_req.ir_scope_id = sa6.sin6_scope_id;
+ }
+ if (!pgm_bind3 (sock, &addr, sizeof (addr), &if_req, sizeof (if_req),
+ &if_req, sizeof (if_req), &pgm_error)) {
- if (options.sndbuf) {
- rc = pgm_transport_set_sndbuf (transport, (int) options.sndbuf);
- if (rc != TRUE)
- return -1;
- }
+ // Invalid parameters don't set pgm_error_t.
+ zmq_assert (pgm_error != NULL);
+ if ((pgm_error->domain == PGM_ERROR_DOMAIN_SOCKET ||
+ pgm_error->domain == PGM_ERROR_DOMAIN_IF) && (
+ pgm_error->code != PGM_ERROR_INVAL &&
+ pgm_error->code != PGM_ERROR_BADF &&
+ pgm_error->code != PGM_ERROR_FAULT))
- // Set the size of the send window.
- // Data rate is in [B/s] options.rate is in [kb/s].
- if (options.rate <= 0) {
- errno = EINVAL;
- return -1;
- }
- rc = pgm_transport_set_txw_max_rte (transport,
- options.rate * 1000 / 8);
- if (rc != TRUE) {
- errno = EINVAL;
- return -1;
- }
+ // User, host, or network configuration or transient error.
+ goto err_abort;
- // Recovery interval [s].
- if (options.recovery_ivl <= 0) {
- errno = EINVAL;
- return -1;
- }
- rc = pgm_transport_set_txw_secs (transport, options.recovery_ivl);
- if (rc != TRUE) {
- errno = EINVAL;
- return -1;
- }
+ // Fatal OpenPGM internal error.
+ zmq_assert (false);
+ }
- // Set interval of background SPM packets [us].
- rc = pgm_transport_set_ambient_spm (transport, 8192 * 1000);
- zmq_assert (rc == TRUE);
-
- // Set intervals of data flushing SPM packets [us].
- guint spm_heartbeat[] = {4 * 1000, 4 * 1000, 8 * 1000, 16 * 1000,
- 32 * 1000, 64 * 1000, 128 * 1000, 256 * 1000, 512 * 1000,
- 1024 * 1000, 2048 * 1000, 4096 * 1000, 8192 * 1000};
- rc = pgm_transport_set_heartbeat_spm (transport, spm_heartbeat,
- G_N_ELEMENTS(spm_heartbeat));
- zmq_assert (rc == TRUE);
+ // Join IP multicast groups.
+ for (unsigned i = 0; i < res->ai_recv_addrs_len; i++) {
+ if (!pgm_setsockopt (sock, IPPROTO_PGM, PGM_JOIN_GROUP,
+ &res->ai_recv_addrs [i], sizeof (struct group_req)))
+ goto err_abort;
}
-
- // Enable multicast loopback.
- if (options.use_multicast_loop) {
- rc = pgm_transport_set_multicast_loop (transport, true);
- zmq_assert (rc == TRUE);
+ if (!pgm_setsockopt (sock, IPPROTO_PGM, PGM_SEND_GROUP,
+ &res->ai_send_addrs [0], sizeof (struct group_req)))
+ goto err_abort;
+
+ pgm_freeaddrinfo (res);
+ res = NULL;
+
+ // Set IP level parameters.
+ {
+ const int nonblocking = 1,
+ multicast_loop = options.use_multicast_loop ? 1 : 0,
+ multicast_hops = 16,
+
+ // Expedited Forwarding PHB for network elements, no ECN.
+ dscp = 0x2e << 2;
+
+ if (!pgm_setsockopt (sock, IPPROTO_PGM, PGM_MULTICAST_LOOP,
+ &multicast_loop, sizeof (multicast_loop)) ||
+ !pgm_setsockopt (sock, IPPROTO_PGM, PGM_MULTICAST_HOPS,
+ &multicast_hops, sizeof (multicast_hops)))
+ goto err_abort;
+ if (AF_INET6 != sa_family && !pgm_setsockopt (sock,
+ IPPROTO_PGM, PGM_TOS, &dscp, sizeof (dscp)))
+ goto err_abort;
+ if (!pgm_setsockopt (sock, IPPROTO_PGM, PGM_NOBLOCK,
+ &nonblocking, sizeof (nonblocking)))
+ goto err_abort;
}
- // Bind a transport to the specified network devices.
- if (!pgm_transport_bind (transport, &pgm_error)) {
- if (pgm_error->domain == PGM_IF_ERROR && (
- pgm_error->code == PGM_IF_ERROR_INVAL ||
- pgm_error->code == PGM_IF_ERROR_XDEV ||
- pgm_error->code == PGM_IF_ERROR_NODEV ||
- pgm_error->code == PGM_IF_ERROR_NOTUNIQ ||
- pgm_error->code == PGM_IF_ERROR_ADDRFAMILY ||
- pgm_error->code == PGM_IF_ERROR_FAMILY ||
- pgm_error->code == PGM_IF_ERROR_NODATA ||
- pgm_error->code == PGM_IF_ERROR_NONAME ||
- pgm_error->code == PGM_IF_ERROR_SERVICE)) {
- g_error_free (pgm_error);
- errno = EINVAL;
- return -1;
- }
- if (pgm_error->domain == PGM_TRANSPORT_ERROR && (
- pgm_error->code == PGM_TRANSPORT_ERROR_FAILED)) {
- g_error_free (pgm_error);
- errno = EINVAL;
- return -1;
- }
+ // Connect PGM transport to start state machine.
+ if (!pgm_connect (sock, &pgm_error)) {
- zmq_assert (false);
+ // Invalid parameters don't set pgm_error_t.
+ zmq_assert (pgm_error != NULL);
+ goto err_abort;
}
// For receiver transport preallocate pgm_msgv array.
- // TODO: ?
if (receiver) {
zmq_assert (in_batch_size > 0);
size_t max_tsdu_size = get_max_tsdu_size ();
@@ -337,96 +362,176 @@ int zmq::pgm_socket_t::init (bool udp_encapsulation_, const char *network_)
zmq_assert (pgm_msgv_len);
pgm_msgv = (pgm_msgv_t*) malloc (sizeof (pgm_msgv_t) * pgm_msgv_len);
+ alloc_assert (pgm_msgv);
}
return 0;
+
+err_abort:
+ if (sock != NULL) {
+ pgm_close (sock, FALSE);
+ sock = NULL;
+ }
+ if (res != NULL) {
+ pgm_freeaddrinfo (res);
+ res = NULL;
+ }
+ if (pgm_error != NULL) {
+ pgm_error_free (pgm_error);
+ pgm_error = NULL;
+ }
+ errno = EINVAL;
+ return -1;
}
zmq::pgm_socket_t::~pgm_socket_t ()
{
if (pgm_msgv)
free (pgm_msgv);
- if (transport)
- pgm_transport_destroy (transport, TRUE);
+ if (sock)
+ pgm_close (sock, TRUE);
}
-// Get receiver fds. recv_fd is from transport->recv_sock
-// waiting_pipe_fd is from transport->waiting_pipe [0]
+// Get receiver fds. receive_fd_ is signaled for incoming packets,
+// waiting_pipe_fd_ is signaled for state driven events and data.
void zmq::pgm_socket_t::get_receiver_fds (int *receive_fd_,
int *waiting_pipe_fd_)
{
+ socklen_t socklen;
+ bool rc;
+
zmq_assert (receive_fd_);
zmq_assert (waiting_pipe_fd_);
- // recv_sock2 should not be used - check it.
- zmq_assert (transport->recv_sock2 == -1);
-
- // Check if transport can receive data and can not send.
- zmq_assert (transport->can_recv_data);
- zmq_assert (!transport->can_send_data);
-
- // Take FDs directly from transport.
- *receive_fd_ = pgm_transport_get_recv_fd (transport);
- *waiting_pipe_fd_ = pgm_transport_get_pending_fd (transport);
+ socklen = sizeof (*receive_fd_);
+ rc = pgm_getsockopt (sock, IPPROTO_PGM, PGM_RECV_SOCK, receive_fd_,
+ &socklen);
+ zmq_assert (rc);
+ zmq_assert (socklen == sizeof (*receive_fd_));
+
+ socklen = sizeof (*waiting_pipe_fd_);
+ rc = pgm_getsockopt (sock, IPPROTO_PGM, PGM_PENDING_SOCK, waiting_pipe_fd_,
+ &socklen);
+ zmq_assert (rc);
+ zmq_assert (socklen == sizeof (*waiting_pipe_fd_));
}
// Get fds and store them into user allocated memory.
-// sender_fd is from pgm_transport->send_sock.
-// receive_fd_ is from transport->recv_sock.
-// rdata_notify_fd_ is from transport->rdata_notify.
-// pending_notify_fd_ is from transport->pending_notify.
+// send_fd is for non-blocking send wire notifications.
+// receive_fd_ is for incoming back-channel protocol packets.
+// rdata_notify_fd_ is raised for waiting repair transmissions.
+// pending_notify_fd_ is for state driven events.
void zmq::pgm_socket_t::get_sender_fds (int *send_fd_, int *receive_fd_,
int *rdata_notify_fd_, int *pending_notify_fd_)
{
+ socklen_t socklen;
+ bool rc;
+
zmq_assert (send_fd_);
zmq_assert (receive_fd_);
-
zmq_assert (rdata_notify_fd_);
zmq_assert (pending_notify_fd_);
- // recv_sock2 should not be used - check it.
- zmq_assert (transport->recv_sock2 == -1);
-
- // Check if transport can send data and can not receive.
- zmq_assert (transport->can_send_data);
- zmq_assert (!transport->can_recv_data);
-
- // Take FDs from transport.
- *send_fd_ = pgm_transport_get_send_fd (transport);
- *receive_fd_ = pgm_transport_get_recv_fd (transport);
-
- *rdata_notify_fd_ = pgm_transport_get_repair_fd (transport);
- *pending_notify_fd_ = pgm_transport_get_pending_fd (transport);
+ socklen = sizeof (*send_fd_);
+ rc = pgm_getsockopt (sock, IPPROTO_PGM, PGM_SEND_SOCK, send_fd_, &socklen);
+ zmq_assert (rc);
+ zmq_assert (socklen == sizeof (*receive_fd_));
+
+ socklen = sizeof (*receive_fd_);
+ rc = pgm_getsockopt (sock, IPPROTO_PGM, PGM_RECV_SOCK, receive_fd_,
+ &socklen);
+ zmq_assert (rc);
+ zmq_assert (socklen == sizeof (*receive_fd_));
+
+ socklen = sizeof (*rdata_notify_fd_);
+ rc = pgm_getsockopt (sock, IPPROTO_PGM, PGM_REPAIR_SOCK, rdata_notify_fd_,
+ &socklen);
+ zmq_assert (rc);
+ zmq_assert (socklen == sizeof (*rdata_notify_fd_));
+
+ socklen = sizeof (*pending_notify_fd_);
+ rc = pgm_getsockopt (sock, IPPROTO_PGM, PGM_PENDING_SOCK,
+ pending_notify_fd_, &socklen);
+ zmq_assert (rc);
+ zmq_assert (socklen == sizeof (*pending_notify_fd_));
}
// Send one APDU, transmit window owned memory.
+// data_len_ must be less than one TPDU.
size_t zmq::pgm_socket_t::send (unsigned char *data_, size_t data_len_)
{
size_t nbytes = 0;
- PGMIOStatus status = pgm_send (transport, data_, data_len_, &nbytes);
+ const int status = pgm_send (sock, data_, data_len_, &nbytes);
- if (nbytes != data_len_) {
- zmq_assert (status == PGM_IO_STATUS_RATE_LIMITED);
- zmq_assert (nbytes == 0);
- }
-
- // We have to write all data as one packet.
- if (nbytes > 0)
+ // We have to write all data as one packet.
+ if (nbytes > 0) {
+ zmq_assert (status == PGM_IO_STATUS_NORMAL);
zmq_assert ((ssize_t) nbytes == (ssize_t) data_len_);
+ } else {
+ zmq_assert (status == PGM_IO_STATUS_RATE_LIMITED ||
+ status == PGM_IO_STATUS_WOULD_BLOCK);
+
+ if (status == PGM_IO_STATUS_RATE_LIMITED)
+ errno = ENOMEM;
+ else
+ errno = EBUSY;
+ }
+
+ // Save return value.
+ last_tx_status = status;
return nbytes;
}
+long zmq::pgm_socket_t::get_rx_timeout ()
+{
+ if (last_rx_status != PGM_IO_STATUS_RATE_LIMITED &&
+ last_rx_status != PGM_IO_STATUS_TIMER_PENDING)
+ return -1;
+
+ struct timeval tv;
+ socklen_t optlen = sizeof (tv);
+ const bool rc = pgm_getsockopt (sock, IPPROTO_PGM,
+ last_rx_status == PGM_IO_STATUS_RATE_LIMITED ? PGM_RATE_REMAIN :
+ PGM_TIME_REMAIN, &tv, &optlen);
+ zmq_assert (rc);
+
+ const long timeout = (tv.tv_sec * 1000) + (tv.tv_usec / 1000);
+
+ return timeout;
+}
+
+long zmq::pgm_socket_t::get_tx_timeout ()
+{
+ if (last_tx_status != PGM_IO_STATUS_RATE_LIMITED)
+ return -1;
+
+ struct timeval tv;
+ socklen_t optlen = sizeof (tv);
+ const bool rc = pgm_getsockopt (sock, IPPROTO_PGM, PGM_RATE_REMAIN, &tv,
+ &optlen);
+ zmq_assert (rc);
+
+ const long timeout = (tv.tv_sec * 1000) + (tv.tv_usec / 1000);
+
+ return timeout;
+}
+
// Return max TSDU size without fragmentation from current PGM transport.
size_t zmq::pgm_socket_t::get_max_tsdu_size ()
{
- return (size_t) pgm_transport_max_tsdu (transport, false);
+ int max_tsdu = 0;
+ socklen_t optlen = sizeof (max_tsdu);
+
+ bool rc = pgm_getsockopt (sock, IPPROTO_PGM, PGM_MSS, &max_tsdu, &optlen);
+ zmq_assert (rc);
+ zmq_assert (optlen == sizeof (max_tsdu));
+ return (size_t) max_tsdu;
}
-// pgm_transport_recvmsgv is called to fill the pgm_msgv array up to
-// pgm_msgv_len. In subsequent calls data from pgm_msgv structure are
-// returned.
+// pgm_recvmsgv is called to fill the pgm_msgv array up to pgm_msgv_len.
+// In subsequent calls data from pgm_msgv structure are returned.
ssize_t zmq::pgm_socket_t::receive (void **raw_data_, const pgm_tsi_t **tsi_)
{
size_t raw_data_len = 0;
@@ -439,6 +544,7 @@ ssize_t zmq::pgm_socket_t::receive (void **raw_data_, const pgm_tsi_t **tsi_)
nbytes_rec = 0;
nbytes_processed = 0;
pgm_msgv_processed = 0;
+ errno = EAGAIN;
return 0;
}
@@ -453,15 +559,18 @@ ssize_t zmq::pgm_socket_t::receive (void **raw_data_, const pgm_tsi_t **tsi_)
// Receive a vector of Application Protocol Domain Unit's (APDUs)
// from the transport.
- GError *pgm_error = NULL;
+ pgm_error_t *pgm_error = NULL;
- const PGMIOStatus status = pgm_recvmsgv (transport, pgm_msgv,
- pgm_msgv_len, MSG_DONTWAIT, &nbytes_rec, &pgm_error);
+ const int status = pgm_recvmsgv (sock, pgm_msgv,
+ pgm_msgv_len, MSG_ERRQUEUE, &nbytes_rec, &pgm_error);
+ // Invalid parameters.
zmq_assert (status != PGM_IO_STATUS_ERROR);
+ last_rx_status = status;
+
// In a case when no ODATA/RDATA fired POLLIN event (SPM...)
- // pgm_recvmsg returns ?.
+ // pgm_recvmsg returns PGM_IO_STATUS_TIMER_PENDING.
if (status == PGM_IO_STATUS_TIMER_PENDING) {
zmq_assert (nbytes_rec == 0);
@@ -469,21 +578,44 @@ ssize_t zmq::pgm_socket_t::receive (void **raw_data_, const pgm_tsi_t **tsi_)
// In case if no RDATA/ODATA caused POLLIN 0 is
// returned.
nbytes_rec = 0;
+ errno = EBUSY;
+ return 0;
+ }
+
+ // Send SPMR, NAK, ACK is rate limited.
+ if (status == PGM_IO_STATUS_RATE_LIMITED) {
+
+ zmq_assert (nbytes_rec == 0);
+
+ // In case if no RDATA/ODATA caused POLLIN 0 is returned.
+ nbytes_rec = 0;
+ errno = ENOMEM;
+ return 0;
+ }
+
+ // No peers and hence no incoming packets.
+ if (status == PGM_IO_STATUS_WOULD_BLOCK) {
+
+ zmq_assert (nbytes_rec == 0);
+
+ // In case if no RDATA/ODATA caused POLLIN 0 is returned.
+ nbytes_rec = 0;
+ errno = EAGAIN;
return 0;
}
// Data loss.
if (status == PGM_IO_STATUS_RESET) {
- pgm_peer_t* peer = (pgm_peer_t*) transport->peers_pending->data;
+ struct pgm_sk_buff_t* skb = pgm_msgv [0].msgv_skb [0];
// Save lost data TSI.
- *tsi_ = &peer->tsi;
+ *tsi_ = &skb->tsi;
nbytes_rec = 0;
// In case of dala loss -1 is returned.
errno = EINVAL;
- g_error_free (pgm_error);
+ pgm_free_skb (skb);
return -1;
}
@@ -494,6 +626,7 @@ ssize_t zmq::pgm_socket_t::receive (void **raw_data_, const pgm_tsi_t **tsi_)
zmq_assert (pgm_msgv_processed <= pgm_msgv_len);
}
+ // Zero byte payloads are valid in PGM, but not 0MQ protocol.
zmq_assert (nbytes_rec > 0);
// Only one APDU per pgm_msgv_t structure is allowed.
@@ -522,16 +655,50 @@ void zmq::pgm_socket_t::process_upstream ()
pgm_msgv_t dummy_msg;
size_t dummy_bytes = 0;
- GError *pgm_error = NULL;
+ pgm_error_t *pgm_error = NULL;
- PGMIOStatus status = pgm_recvmsgv (transport, &dummy_msg,
- 1, MSG_DONTWAIT, &dummy_bytes, &pgm_error);
+ const int status = pgm_recvmsgv (sock, &dummy_msg,
+ 1, MSG_ERRQUEUE, &dummy_bytes, &pgm_error);
+ // Invalid parameters.
zmq_assert (status != PGM_IO_STATUS_ERROR);
// No data should be returned.
zmq_assert (dummy_bytes == 0 && (status == PGM_IO_STATUS_TIMER_PENDING ||
- status == PGM_IO_STATUS_RATE_LIMITED));
+ status == PGM_IO_STATUS_RATE_LIMITED ||
+ status == PGM_IO_STATUS_WOULD_BLOCK));
+
+ last_rx_status = status;
+
+ if (status == PGM_IO_STATUS_TIMER_PENDING)
+ errno = EBUSY;
+ else if (status == PGM_IO_STATUS_RATE_LIMITED)
+ errno = ENOMEM;
+ else
+ errno = EAGAIN;
+}
+
+int zmq::pgm_socket_t::compute_sqns (int tpdu_)
+{
+ // Convert rate into B/ms.
+ uint64_t rate = ((uint64_t) options.rate) / 8;
+
+ // Get recovery interval in milliseconds.
+ uint64_t interval = options.recovery_ivl_msec >= 0 ?
+ options.recovery_ivl_msec :
+ options.recovery_ivl * 1000;
+
+ // Compute the size of the buffer in bytes.
+ uint64_t size = interval * rate;
+
+ // Translate the size into number of packets.
+ uint64_t sqns = size / tpdu_;
+
+ // Buffer should be able to contain at least one packet.
+ if (sqns == 0)
+ sqns = 1;
+
+ return (int) sqns;
}
#endif
diff --git a/src/pgm_socket.hpp b/src/pgm_socket.hpp
index b9f55d1..9699aed 100644
--- a/src/pgm_socket.hpp
+++ b/src/pgm_socket.hpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -28,8 +29,13 @@
#include "windows.hpp"
#endif
+#define __PGM_WININT_H__
#include <pgm/pgm.h>
+#ifdef ZMQ_HAVE_OSX
+#include <pgm/in.h>
+#endif
+
#include "options.hpp"
namespace zmq
@@ -39,9 +45,8 @@ namespace zmq
{
public:
+
// If receiver_ is true PGM transport is not generating SPM packets.
- // interface format: iface;mcast_group:port for raw PGM socket
- // udp:iface;mcast_goup:port for UDP encapsulacion
pgm_socket_t (bool receiver_, const options_t &options_);
// Closes the transport.
@@ -67,14 +72,22 @@ namespace zmq
// Receive data from pgm socket.
ssize_t receive (void **data_, const pgm_tsi_t **tsi_);
+ long get_rx_timeout ();
+ long get_tx_timeout ();
+
// POLLIN on sender side should mean NAK or SPMR receiving.
// process_upstream function is used to handle such a situation.
void process_upstream ();
private:
+
+ // Compute size of the buffer based on rate and recovery interval.
+ int compute_sqns (int tpdu_);
- // OpenPGM transport
- pgm_transport_t* transport;
+ // OpenPGM transport.
+ pgm_sock_t* sock;
+
+ int last_rx_status, last_tx_status;
// Associated socket options.
options_t options;
diff --git a/src/pipe.cpp b/src/pipe.cpp
index 200beb0..8dcf577 100644
--- a/src/pipe.cpp
+++ b/src/pipe.cpp
@@ -1,47 +1,72 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#include <new>
+
#include "../include/zmq.h"
#include "pipe.hpp"
+#include "likely.hpp"
-zmq::reader_t::reader_t (object_t *parent_, uint64_t lwm_) :
+zmq::reader_t::reader_t (object_t *parent_, pipe_t *pipe_,
+ uint64_t lwm_) :
object_t (parent_),
- pipe (NULL),
- peer (NULL),
+ active (true),
+ pipe (pipe_),
+ writer (NULL),
lwm (lwm_),
msgs_read (0),
- endpoint (NULL)
-{}
+ sink (NULL),
+ terminating (false)
+{
+ // Note that writer is not set here. Writer will inform reader about its
+ // address once it is created (via set_writer method).
+}
+
+void zmq::reader_t::set_writer (writer_t *writer_)
+{
+ zmq_assert (!writer);
+ writer = writer_;
+}
zmq::reader_t::~reader_t ()
{
- if (pipe)
- unregister_pipe (pipe);
+ // Pipe as such is owned and deallocated by reader object.
+ // The point is that reader processes the last step of terminal
+ // handshaking (term_ack).
+ zmq_assert (pipe);
+
+ // First delete all the unread messages in the pipe. We have to do it by
+ // hand because zmq_msg_t is a POD, not a class, so there's no associated
+ // destructor.
+ zmq_msg_t msg;
+ while (pipe->read (&msg))
+ zmq_msg_close (&msg);
+
+ delete pipe;
}
-void zmq::reader_t::set_pipe (pipe_t *pipe_)
+void zmq::reader_t::set_event_sink (i_reader_events *sink_)
{
- zmq_assert (!pipe);
- pipe = pipe_;
- peer = &pipe->writer;
- register_pipe (pipe);
+ zmq_assert (!sink);
+ sink = sink_;
}
bool zmq::reader_t::is_delimiter (zmq_msg_t &msg_)
@@ -53,19 +78,24 @@ bool zmq::reader_t::is_delimiter (zmq_msg_t &msg_)
bool zmq::reader_t::check_read ()
{
+ if (!active)
+ return false;
+
// Check if there's an item in the pipe.
- // If not, deactivate the pipe.
if (!pipe->check_read ()) {
- endpoint->kill (this);
+ active = false;
return false;
}
// If the next item in the pipe is message delimiter,
// initiate its termination.
if (pipe->probe (is_delimiter)) {
- if (endpoint)
- endpoint->detach_inpipe (this);
- term ();
+ zmq_msg_t msg;
+ bool ok = pipe->read (&msg);
+ zmq_assert (ok);
+ if (sink)
+ sink->delimited (this);
+ terminate ();
return false;
}
@@ -74,17 +104,20 @@ bool zmq::reader_t::check_read ()
bool zmq::reader_t::read (zmq_msg_t *msg_)
{
+ if (!active)
+ return false;
+
if (!pipe->read (msg_)) {
- endpoint->kill (this);
+ active = false;
return false;
}
// If delimiter was read, start termination process of the pipe.
unsigned char *offset = 0;
if (msg_->content == (void*) (offset + ZMQ_DELIMITER)) {
- if (endpoint)
- endpoint->detach_inpipe (this);
- term ();
+ if (sink)
+ sink->delimited (this);
+ terminate ();
return false;
}
@@ -92,87 +125,104 @@ bool zmq::reader_t::read (zmq_msg_t *msg_)
msgs_read++;
if (lwm > 0 && msgs_read % lwm == 0)
- send_reader_info (peer, msgs_read);
+ send_activate_writer (writer, msgs_read);
return true;
}
-void zmq::reader_t::set_endpoint (i_endpoint *endpoint_)
+void zmq::reader_t::terminate ()
{
- endpoint = endpoint_;
-}
+ // If termination was already started by the peer, do nothing.
+ if (terminating)
+ return;
-void zmq::reader_t::term ()
-{
- endpoint = NULL;
- send_pipe_term (peer);
+ active = false;
+ terminating = true;
+ send_pipe_term (writer);
}
-void zmq::reader_t::process_revive ()
+void zmq::reader_t::process_activate_reader ()
{
- // Beacuse of command throttling mechanism, incoming termination request
- // may not have been processed before subsequent send.
- // In that case endpoint is NULL.
- if (endpoint)
- endpoint->revive (this);
+ // Forward the event to the sink (either socket or session).
+ active = true;
+ sink->activated (this);
}
void zmq::reader_t::process_pipe_term_ack ()
{
- peer = NULL;
- delete pipe;
+ // At this point writer may already be deallocated.
+ // For safety's sake drop the reference to it.
+ writer = NULL;
+
+ // Notify owner about the termination.
+ zmq_assert (sink);
+ sink->terminated (this);
+
+ // Deallocate resources.
+ delete this;
}
-zmq::writer_t::writer_t (object_t *parent_,
+zmq::writer_t::writer_t (object_t *parent_, pipe_t *pipe_, reader_t *reader_,
uint64_t hwm_, int64_t swap_size_) :
object_t (parent_),
- pipe (NULL),
- peer (NULL),
+ active (true),
+ pipe (pipe_),
+ reader (reader_),
hwm (hwm_),
msgs_read (0),
msgs_written (0),
- msg_store (NULL),
- extra_msg_flag (false),
- stalled (false),
- pending_close (false),
- endpoint (NULL)
+ swap (NULL),
+ sink (NULL),
+ swapping (false),
+ pending_delimiter (false),
+ terminating (false)
{
+ // Inform reader about the writer.
+ reader->set_writer (this);
+
+ // Open the swap file, if required.
if (swap_size_ > 0) {
- msg_store = new (std::nothrow) msg_store_t (swap_size_);
- if (msg_store != NULL) {
- if (msg_store->init () < 0) {
- delete msg_store;
- msg_store = NULL;
- }
- }
+ swap = new (std::nothrow) swap_t (swap_size_);
+ alloc_assert (swap);
+ int rc = swap->init ();
+ zmq_assert (rc == 0);
}
}
-void zmq::writer_t::set_endpoint (i_endpoint *endpoint_)
-{
- endpoint = endpoint_;
-}
-
zmq::writer_t::~writer_t ()
{
- if (extra_msg_flag)
- zmq_msg_close (&extra_msg);
-
- delete msg_store;
+ if (swap)
+ delete swap;
}
-void zmq::writer_t::set_pipe (pipe_t *pipe_)
+void zmq::writer_t::set_event_sink (i_writer_events *sink_)
{
- zmq_assert (!pipe);
- pipe = pipe_;
- peer = &pipe->reader;
+ zmq_assert (!sink);
+ sink = sink_;
}
-bool zmq::writer_t::check_write ()
+bool zmq::writer_t::check_write (zmq_msg_t *msg_)
{
- if (pipe_full () && (msg_store == NULL || msg_store->full () || extra_msg_flag)) {
- stalled = true;
+ // We've already checked and there's no space free for the new message.
+ // There's no point in checking once again.
+ if (unlikely (!active))
return false;
+
+ if (unlikely (swapping)) {
+ if (unlikely (!swap->fits (msg_))) {
+ active = false;
+ return false;
+ }
+ }
+ else {
+ if (unlikely (pipe_full ())) {
+ if (swap)
+ swapping = true;
+ else {
+ active = false;
+ return false;
+ }
+ }
}
return true;
@@ -180,73 +230,68 @@ bool zmq::writer_t::check_write ()
bool zmq::writer_t::write (zmq_msg_t *msg_)
{
- if (!check_write ())
+ if (unlikely (!check_write (msg_)))
return false;
- if (pipe_full ()) {
- if (msg_store->store (msg_)) {
- if (!(msg_->flags & ZMQ_MSG_MORE))
- msg_store->commit ();
- } else {
- extra_msg = *msg_;
- extra_msg_flag = true;
- }
- }
- else {
- pipe->write (*msg_, msg_->flags & ZMQ_MSG_MORE);
+ if (unlikely (swapping)) {
+ bool stored = swap->store (msg_);
+ zmq_assert (stored);
if (!(msg_->flags & ZMQ_MSG_MORE))
- msgs_written++;
+ swap->commit ();
+ return true;
}
+ pipe->write (*msg_, msg_->flags & ZMQ_MSG_MORE);
+ if (!(msg_->flags & ZMQ_MSG_MORE))
+ msgs_written++;
+
return true;
}
void zmq::writer_t::rollback ()
{
- if (extra_msg_flag && extra_msg.flags & ZMQ_MSG_MORE) {
- zmq_msg_close (&extra_msg);
- extra_msg_flag = false;
+ // Remove incomplete message from the swap.
+ if (unlikely (swapping)) {
+ swap->rollback ();
+ return;
}
- if (msg_store != NULL)
- msg_store->rollback ();
-
+ // Remove incomplete message from the pipe.
zmq_msg_t msg;
- // Remove all incomplete messages from the pipe.
while (pipe->unwrite (&msg)) {
zmq_assert (msg.flags & ZMQ_MSG_MORE);
zmq_msg_close (&msg);
}
-
- if (stalled && endpoint != NULL && check_write ()) {
- stalled = false;
- endpoint->revive (this);
- }
}
void zmq::writer_t::flush ()
{
- if (!pipe->flush ())
- send_revive (peer);
+ // In the swapping mode, flushing is automatically handled by swap object.
+ if (!swapping && !pipe->flush ())
+ send_activate_reader (reader);
}
-void zmq::writer_t::term ()
+void zmq::writer_t::terminate ()
{
- endpoint = NULL;
+ // Prevent double termination.
+ if (terminating)
+ return;
+ terminating = true;
+
+ // Mark the pipe as not available for writing.
+ active = false;
// Rollback any unfinished messages.
rollback ();
- if (msg_store == NULL || (msg_store->empty () && !extra_msg_flag))
- write_delimiter ();
- else
- pending_close = true;
-}
+ if (swapping) {
+ pending_delimiter = true;
+ return;
+ }
-void zmq::writer_t::write_delimiter ()
-{
- // Push delimiter into the pipe.
- // Trick the compiler to belive that the tag is a valid pointer.
+ // Push delimiter into the pipe. Trick the compiler to belive that
+ // the tag is a valid pointer. Note that watermarks are not checked
+ // thus the delimiter can be written even though the pipe is full.
zmq_msg_t msg;
const unsigned char *offset = 0;
msg.content = (void*) (offset + ZMQ_DELIMITER);
@@ -255,109 +300,110 @@ void zmq::writer_t::write_delimiter ()
flush ();
}
-void zmq::writer_t::process_reader_info (uint64_t msgs_read_)
+void zmq::writer_t::process_activate_writer (uint64_t msgs_read_)
{
- zmq_msg_t msg;
-
+ // Store the reader's message sequence number.
msgs_read = msgs_read_;
- if (msg_store) {
- // Move messages from backing store into pipe.
- while (!pipe_full () && !msg_store->empty ()) {
- msg_store->fetch(&msg);
- // Write message into the pipe.
+ // If we are in the swapping mode, we have some messages in the swap.
+ // Given that pipe is now ready for writing we can move part of the
+ // swap into the pipe.
+ if (swapping) {
+ zmq_msg_t msg;
+ while (!pipe_full () && !swap->empty ()) {
+ swap->fetch(&msg);
pipe->write (msg, msg.flags & ZMQ_MSG_MORE);
if (!(msg.flags & ZMQ_MSG_MORE))
msgs_written++;
}
-
- if (extra_msg_flag) {
- if (!pipe_full ()) {
- pipe->write (extra_msg, extra_msg.flags & ZMQ_MSG_MORE);
- if (!(extra_msg.flags & ZMQ_MSG_MORE))
- msgs_written++;
- extra_msg_flag = false;
- }
- else if (msg_store->store (&extra_msg)) {
- if (!(extra_msg.flags & ZMQ_MSG_MORE))
- msg_store->commit ();
- extra_msg_flag = false;
+ if (!pipe->flush ())
+ send_activate_reader (reader);
+
+ // There are no more messages in the swap. We can switch into
+ // standard in-memory mode.
+ if (swap->empty ()) {
+ swapping = false;
+
+ // Push delimiter into the pipe. Trick the compiler to belive that
+ // the tag is a valid pointer. Note that watermarks are not checked
+ // thus the delimiter can be written even though the pipe is full.
+ if (pending_delimiter) {
+ zmq_msg_t msg;
+ const unsigned char *offset = 0;
+ msg.content = (void*) (offset + ZMQ_DELIMITER);
+ msg.flags = 0;
+ pipe->write (msg, false);
+ flush ();
+ return;
}
}
-
- if (pending_close && msg_store->empty () && !extra_msg_flag) {
- write_delimiter ();
- pending_close = false;
- }
-
- flush ();
}
- if (stalled && endpoint != NULL) {
- stalled = false;
- endpoint->revive (this);
+ // If the writer was non-active before, let's make it active
+ // (available for writing messages to).
+ if (!active && !terminating) {
+ active = true;
+ zmq_assert (sink);
+ sink->activated (this);
}
}
void zmq::writer_t::process_pipe_term ()
{
- if (endpoint)
- endpoint->detach_outpipe (this);
+ send_pipe_term_ack (reader);
- reader_t *p = peer;
- peer = NULL;
- send_pipe_term_ack (p);
-}
+ // The above command allows reader to deallocate itself and the pipe.
+ // For safety's sake we'll drop the pointers here.
+ reader = NULL;
+ pipe = NULL;
-bool zmq::writer_t::pipe_full ()
-{
- return hwm > 0 && msgs_written - msgs_read == hwm;
-}
+ // Notify owner about the termination.
+ zmq_assert (sink);
+ sink->terminated (this);
-zmq::pipe_t::pipe_t (object_t *reader_parent_, object_t *writer_parent_,
- uint64_t hwm_, int64_t swap_size_) :
- reader (reader_parent_, compute_lwm (hwm_)),
- writer (writer_parent_, hwm_, swap_size_)
-{
- reader.set_pipe (this);
- writer.set_pipe (this);
+ // Deallocate the resources.
+ delete this;
}
-zmq::pipe_t::~pipe_t ()
+bool zmq::writer_t::pipe_full ()
{
- // Deallocate all the unread messages in the pipe. We have to do it by
- // hand because zmq_msg_t is a POD, not a class, so there's no associated
- // destructor.
- zmq_msg_t msg;
- while (read (&msg))
- zmq_msg_close (&msg);
+ return hwm > 0 && msgs_written - msgs_read == hwm;
}
-uint64_t zmq::pipe_t::compute_lwm (uint64_t hwm_)
+void zmq::create_pipe (object_t *reader_parent_, object_t *writer_parent_,
+ uint64_t hwm_, int64_t swap_size_, reader_t **reader_, writer_t **writer_)
{
- // Following point should be taken into consideration when computing
- // low watermark:
- //
- // 1. LWM has to be less than HWM.
- // 2. LWM cannot be set to very low value (such as zero) as after filling
- // the queue it would start to refill only after all the messages are
- // read from it and thus unnecessarily hold the progress back.
- // 3. LWM cannot be set to very high value (such as HWM-1) as it would
- // result in lock-step filling of the queue - if a single message is read
- // from a full queue, writer thread is resumed to write exactly one
- // message to the queue and go back to sleep immediately. This would
- // result in low performance.
- //
- // Given the 3. it would be good to keep HWM and LWM as far apart as
- // possible to reduce the thread switching overhead to almost zero,
- // say HWM-LWM should be 500 (max_wm_delta).
- //
- // That done, we still we have to account for the cases where HWM<500 thus
- // driving LWM to negative numbers. Let's make LWM 1/2 of HWM in such cases.
-
- if (hwm_ > max_wm_delta * 2)
- return hwm_ - max_wm_delta;
- else
- return (hwm_ + 1) / 2;
+ // First compute the low water mark. Following point should be taken
+ // into consideration:
+ //
+ // 1. LWM has to be less than HWM.
+ // 2. LWM cannot be set to very low value (such as zero) as after filling
+ // the queue it would start to refill only after all the messages are
+ // read from it and thus unnecessarily hold the progress back.
+ // 3. LWM cannot be set to very high value (such as HWM-1) as it would
+ // result in lock-step filling of the queue - if a single message is
+ // read from a full queue, writer thread is resumed to write exactly one
+ // message to the queue and go back to sleep immediately. This would
+ // result in low performance.
+ //
+ // Given the 3. it would be good to keep HWM and LWM as far apart as
+ // possible to reduce the thread switching overhead to almost zero,
+ // say HWM-LWM should be max_wm_delta.
+ //
+ // That done, we still we have to account for the cases where
+ // HWM < max_wm_delta thus driving LWM to negative numbers.
+ // Let's make LWM 1/2 of HWM in such cases.
+ uint64_t lwm = (hwm_ > max_wm_delta * 2) ?
+ hwm_ - max_wm_delta : (hwm_ + 1) / 2;
+
+ // Create all three objects pipe consists of: the pipe per se, reader and
+ // writer. The pipe will be handled by reader and writer, its never passed
+ // to the user. Reader and writer are returned to the user.
+ pipe_t *pipe = new (std::nothrow) pipe_t ();
+ alloc_assert (pipe);
+ *reader_ = new (std::nothrow) reader_t (reader_parent_, pipe, lwm);
+ alloc_assert (*reader_);
+ *writer_ = new (std::nothrow) writer_t (writer_parent_, pipe, *reader_,
+ hwm_, swap_size_);
+ alloc_assert (*writer_);
}
-
diff --git a/src/pipe.hpp b/src/pipe.hpp
index ece678a..b4a0ffa 100644
--- a/src/pipe.hpp
+++ b/src/pipe.hpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -23,25 +24,48 @@
#include "../include/zmq.h"
#include "stdint.hpp"
-#include "i_endpoint.hpp"
-#include "yarray_item.hpp"
+#include "array.hpp"
#include "ypipe.hpp"
-#include "msg_store.hpp"
+#include "swap.hpp"
#include "config.hpp"
#include "object.hpp"
namespace zmq
{
- class reader_t : public object_t, public yarray_item_t
+ // Creates a pipe. Returns pointer to reader and writer objects.
+ void create_pipe (object_t *reader_parent_, object_t *writer_parent_,
+ uint64_t hwm_, int64_t swap_size_, class reader_t **reader_,
+ class writer_t **writer_);
+
+ // The shutdown mechanism for pipe works as follows: Either endpoint
+ // (or even both of them) can ask pipe to terminate by calling 'terminate'
+ // method. Pipe then terminates in asynchronous manner. When the part of
+ // the shutdown tied to the endpoint is done it triggers 'terminated'
+ // event. When endpoint processes the event and returns, associated
+ // reader/writer object is deallocated.
+
+ typedef ypipe_t <zmq_msg_t, message_pipe_granularity> pipe_t;
+
+ struct i_reader_events
{
- public:
+ virtual ~i_reader_events () {}
- reader_t (class object_t *parent_, uint64_t lwm_);
- ~reader_t ();
+ virtual void terminated (class reader_t *pipe_) = 0;
+ virtual void activated (class reader_t *pipe_) = 0;
+ virtual void delimited (class reader_t *pipe_) = 0;
+ };
+
+ class reader_t : public object_t, public array_item_t
+ {
+ friend void create_pipe (object_t*, object_t*, uint64_t,
+ int64_t, reader_t**, writer_t**);
+ friend class writer_t;
+
+ public:
- void set_pipe (class pipe_t *pipe_);
- void set_endpoint (i_endpoint *endpoint_);
+ // Specifies the object to get events from the reader.
+ void set_event_sink (i_reader_events *endpoint_);
// Returns true if there is at least one message to read in the pipe.
bool check_read ();
@@ -50,22 +74,31 @@ namespace zmq
bool read (zmq_msg_t *msg_);
// Ask pipe to terminate.
- void term ();
+ void terminate ();
private:
+ reader_t (class object_t *parent_, pipe_t *pipe_, uint64_t lwm_);
+ ~reader_t ();
+
+ // To be called only by writer itself!
+ void set_writer (class writer_t *writer_);
+
// Command handlers.
- void process_revive ();
+ void process_activate_reader ();
void process_pipe_term_ack ();
// Returns true if the message is delimiter; false otherwise.
static bool is_delimiter (zmq_msg_t &msg_);
+ // True, if pipe can be read from.
+ bool active;
+
// The underlying pipe.
- class pipe_t *pipe;
+ pipe_t *pipe;
// Pipe writer associated with the other side of the pipe.
- class writer_t *peer;
+ class writer_t *writer;
// Low watermark for in-memory storage (in bytes).
uint64_t lwm;
@@ -73,27 +106,39 @@ namespace zmq
// Number of messages read so far.
uint64_t msgs_read;
- // Endpoint (either session or socket) the pipe is attached to.
- i_endpoint *endpoint;
+ // Sink for the events (either the socket of the session).
+ i_reader_events *sink;
+
+ // True is 'terminate' method was called or delimiter
+ // was read from the pipe.
+ bool terminating;
reader_t (const reader_t&);
- void operator = (const reader_t&);
+ const reader_t &operator = (const reader_t&);
};
- class writer_t : public object_t, public yarray_item_t
+ struct i_writer_events
{
- public:
+ virtual ~i_writer_events () {}
- writer_t (class object_t *parent_, uint64_t hwm_, int64_t swap_size_);
- ~writer_t ();
+ virtual void terminated (class writer_t *pipe_) = 0;
+ virtual void activated (class writer_t *pipe_) = 0;
+ };
- void set_pipe (class pipe_t *pipe_);
- void set_endpoint (i_endpoint *endpoint_);
+ class writer_t : public object_t, public array_item_t
+ {
+ friend void create_pipe (object_t*, object_t*, uint64_t,
+ int64_t, reader_t**, writer_t**);
+
+ public:
- // Checks whether a message can be written to the pipe.
- // If writing the message would cause high watermark to be
- // exceeded, the function returns false.
- bool check_write ();
+ // Specifies the object to get events from the writer.
+ void set_event_sink (i_writer_events *endpoint_);
+
+ // Checks whether messages can be written to the pipe.
+ // If writing the message would cause high watermark and (optionally)
+ // if the swap is full, the function returns false.
+ bool check_write (zmq_msg_t *msg_);
// Writes a message to the underlying pipe. Returns false if the
// message cannot be written because high watermark was reached.
@@ -106,27 +151,31 @@ namespace zmq
void flush ();
// Ask pipe to terminate.
- void term ();
+ void terminate ();
private:
- void process_reader_info (uint64_t msgs_read_);
+ writer_t (class object_t *parent_, pipe_t *pipe_, reader_t *reader_,
+ uint64_t hwm_, int64_t swap_size_);
+ ~writer_t ();
// Command handlers.
+ void process_activate_writer (uint64_t msgs_read_);
void process_pipe_term ();
- // Tests whether the pipe is already full.
+ // Tests whether underlying pipe is already full. The swap is not
+ // taken into account.
bool pipe_full ();
- // Write special message to the pipe so that the reader
- // can find out we are finished.
- void write_delimiter ();
+ // True, if this object can be written to. Undelying ypipe may be full
+ // but as long as there's swap space available, this flag is true.
+ bool active;
// The underlying pipe.
- class pipe_t *pipe;
+ pipe_t *pipe;
// Pipe reader associated with the other side of the pipe.
- class reader_t *peer;
+ reader_t *reader;
// High watermark for in-memory storage (in bytes).
uint64_t hwm;
@@ -138,44 +187,26 @@ namespace zmq
// Number of messages we have written so far.
uint64_t msgs_written;
- // Pointer to backing store. If NULL, messages are always
+ // Pointer to the message swap. If NULL, messages are always
// kept in main memory.
- msg_store_t *msg_store;
-
- bool extra_msg_flag;
+ swap_t *swap;
- zmq_msg_t extra_msg;
+ // Sink for the events (either the socket or the session).
+ i_writer_events *sink;
- // True iff the last attempt to write a message has failed.
- bool stalled;
+ // If true, swap is active. New messages are to be written to the swap.
+ bool swapping;
- bool pending_close;
+ // If true, there's a delimiter to be written to the pipe after the
+ // swap is empied.
+ bool pending_delimiter;
- // Endpoint (either session or socket) the pipe is attached to.
- i_endpoint *endpoint;
+ // True is 'terminate' method was called of 'pipe_term' command
+ // arrived from the reader.
+ bool terminating;
writer_t (const writer_t&);
- void operator = (const writer_t&);
- };
-
- // Message pipe.
- class pipe_t : public ypipe_t <zmq_msg_t, message_pipe_granularity>
- {
- public:
-
- pipe_t (object_t *reader_parent_, object_t *writer_parent_,
- uint64_t hwm_, int64_t swap_size_);
- ~pipe_t ();
-
- reader_t reader;
- writer_t writer;
-
- private:
-
- uint64_t compute_lwm (uint64_t hwm_);
-
- pipe_t (const pipe_t&);
- void operator = (const pipe_t&);
+ const writer_t &operator = (const writer_t&);
};
}
diff --git a/src/platform.hpp.in b/src/platform.hpp.in
index 1f47133..09943ee 100644
--- a/src/platform.hpp.in
+++ b/src/platform.hpp.in
@@ -1,11 +1,17 @@
/* src/platform.hpp.in. Generated from configure.in by autoheader. */
+/* Define to 1 if you have the <alloca.h> header file. */
+#undef HAVE_ALLOCA_H
+
/* Define to 1 if you have the <arpa/inet.h> header file. */
#undef HAVE_ARPA_INET_H
/* Define to 1 if you have the <dlfcn.h> header file. */
#undef HAVE_DLFCN_H
+/* Define to 1 if you have the `epoll_create' function. */
+#undef HAVE_EPOLL_CREATE
+
/* Define to 1 if you have the <errno.h> header file. */
#undef HAVE_ERRNO_H
@@ -15,6 +21,15 @@
/* Define to 1 if you have the `getifaddrs' function. */
#undef HAVE_GETIFADDRS
+/* Define to 1 if you have the `getopt' function. */
+#undef HAVE_GETOPT
+
+/* Define to 1 if you have the `getprotobyname_r' function. */
+#undef HAVE_GETPROTOBYNAME_R
+
+/* Define to 1 if you have the `getprotobyname_r2' function. */
+#undef HAVE_GETPROTOBYNAME_R2
+
/* Define to 1 if you have the `gettimeofday' function. */
#undef HAVE_GETTIMEOFDAY
@@ -69,6 +84,12 @@
/* Define to 1 if you have the `perror' function. */
#undef HAVE_PERROR
+/* Define to 1 if you have the `poll' function. */
+#undef HAVE_POLL
+
+/* Define to 1 if you have the `pselect' function. */
+#undef HAVE_PSELECT
+
/* Define to 1 if you have the `socket' function. */
#undef HAVE_SOCKET
@@ -105,6 +126,9 @@
/* Define to 1 if you have the <unistd.h> header file. */
#undef HAVE_UNISTD_H
+/* Define to 1 if you have the `vasprintf' function. */
+#undef HAVE_VASPRINTF
+
/* Define to 1 if you have the <windows.h> header file. */
#undef HAVE_WINDOWS_H
diff --git a/src/poll.cpp b/src/poll.cpp
index 1b203db..6a84d2e 100644
--- a/src/poll.cpp
+++ b/src/poll.cpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -27,7 +28,6 @@
#include <sys/types.h>
#include <sys/time.h>
-#include <sys/resource.h>
#include <poll.h>
#include <algorithm>
@@ -40,27 +40,25 @@ zmq::poll_t::poll_t () :
retired (false),
stopping (false)
{
- // Get the limit on open file descriptors. Resize fds so that it
- // can hold all descriptors.
- rlimit rl;
- int rc = getrlimit (RLIMIT_NOFILE, &rl);
- errno_assert (rc != -1);
- fd_table.resize (rl.rlim_cur);
-
- for (rlim_t i = 0; i < rl.rlim_cur; i ++)
- fd_table [i].index = retired_fd;
}
zmq::poll_t::~poll_t ()
{
worker.stop ();
-
- // Make sure there are no fds registered on shutdown.
- zmq_assert (load.get () == 0);
}
zmq::poll_t::handle_t zmq::poll_t::add_fd (fd_t fd_, i_poll_events *events_)
{
+ // If the file descriptor table is too small expand it.
+ fd_table_t::size_type sz = fd_table.size ();
+ if (sz <= (fd_table_t::size_type) fd_) {
+ fd_table.resize (fd_ + 1);
+ while (sz != (fd_table_t::size_type) (fd_ + 1)) {
+ fd_table [sz].index = retired_fd;
+ ++sz;
+ }
+ }
+
pollfd pfd = {fd_, 0, 0};
pollset.push_back (pfd);
assert (fd_table [fd_].index == retired_fd);
@@ -69,7 +67,7 @@ zmq::poll_t::handle_t zmq::poll_t::add_fd (fd_t fd_, i_poll_events *events_)
fd_table [fd_].events = events_;
// Increase the load metric of the thread.
- load.add (1);
+ adjust_load (1);
return fd_;
}
@@ -85,7 +83,7 @@ void zmq::poll_t::rm_fd (handle_t handle_)
retired = true;
// Decrease the load metric of the thread.
- load.sub (1);
+ adjust_load (-1);
}
void zmq::poll_t::set_pollin (handle_t handle_)
@@ -112,23 +110,6 @@ void zmq::poll_t::reset_pollout (handle_t handle_)
pollset [index].events &= ~((short) POLLOUT);
}
-void zmq::poll_t::add_timer (i_poll_events *events_)
-{
- timers.push_back (events_);
-}
-
-void zmq::poll_t::cancel_timer (i_poll_events *events_)
-{
- timers_t::iterator it = std::find (timers.begin (), timers.end (), events_);
- if (it != timers.end ())
- timers.erase (it);
-}
-
-int zmq::poll_t::get_load ()
-{
- return load.get ();
-}
-
void zmq::poll_t::start ()
{
worker.start (worker_routine, this);
@@ -143,27 +124,20 @@ void zmq::poll_t::loop ()
{
while (!stopping) {
+ // Execute any due timers.
+ int timeout = (int) execute_timers ();
+
// Wait for events.
- int rc = poll (&pollset [0], pollset.size (),
- timers.empty () ? -1 : max_timer_period);
+ int rc = poll (&pollset [0], pollset.size (), timeout ? timeout : -1);
if (rc == -1 && errno == EINTR)
continue;
errno_assert (rc != -1);
- // Handle timer.
- if (!rc) {
-
- // Use local list of timers as timer handlers may fill new timers
- // into the original array.
- timers_t t;
- std::swap (timers, t);
-
- // Trigger all the timers.
- for (timers_t::iterator it = t.begin (); it != t.end (); it ++)
- (*it)->timer_event ();
+ // If there are no events (i.e. it's a timeout) there's no point
+ // in checking the pollset.
+ if (rc == 0)
continue;
- }
for (pollset_t::size_type i = 0; i != pollset.size (); i++) {
diff --git a/src/poll.hpp b/src/poll.hpp
index f4ae35a..3a18d03 100644
--- a/src/poll.hpp
+++ b/src/poll.hpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -34,7 +35,7 @@
#include "fd.hpp"
#include "thread.hpp"
-#include "atomic_counter.hpp"
+#include "poller_base.hpp"
namespace zmq
{
@@ -42,7 +43,7 @@ namespace zmq
// Implements socket polling mechanism using the POSIX.1-2001
// poll() system call.
- class poll_t
+ class poll_t : public poller_base_t
{
public:
@@ -58,9 +59,6 @@ namespace zmq
void reset_pollin (handle_t handle_);
void set_pollout (handle_t handle_);
void reset_pollout (handle_t handle_);
- void add_timer (struct i_poll_events *events_);
- void cancel_timer (struct i_poll_events *events_);
- int get_load ();
void start ();
void stop ();
@@ -79,7 +77,8 @@ namespace zmq
};
// This table stores data for registered descriptors.
- std::vector <fd_entry_t> fd_table;
+ typedef std::vector <fd_entry_t> fd_table_t;
+ fd_table_t fd_table;
// Pollset to pass to the poll function.
typedef std::vector <pollfd> pollset_t;
@@ -88,22 +87,14 @@ namespace zmq
// If true, there's at least one retired event source.
bool retired;
- // List of all the engines waiting for the timer event.
- typedef std::vector <struct i_poll_events*> timers_t;
- timers_t timers;
-
// If true, thread is in the process of shutting down.
bool stopping;
// Handle of the physical thread doing the I/O work.
thread_t worker;
- // Load of the poller. Currently number of file descriptors
- // registered with the poller.
- atomic_counter_t load;
-
poll_t (const poll_t&);
- void operator = (const poll_t&);
+ const poll_t &operator = (const poll_t&);
};
}
diff --git a/src/poller.hpp b/src/poller.hpp
index 3c29603..10fafb9 100644
--- a/src/poller.hpp
+++ b/src/poller.hpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
diff --git a/src/poller_base.cpp b/src/poller_base.cpp
new file mode 100644
index 0000000..d5fb985
--- /dev/null
+++ b/src/poller_base.cpp
@@ -0,0 +1,99 @@
+/*
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+
+ This file is part of 0MQ.
+
+ 0MQ is free software; you can redistribute it and/or modify it under
+ the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ 0MQ is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "poller_base.hpp"
+#include "i_poll_events.hpp"
+#include "err.hpp"
+
+zmq::poller_base_t::poller_base_t ()
+{
+}
+
+zmq::poller_base_t::~poller_base_t ()
+{
+ // Make sure there is no more load on the shutdown.
+ zmq_assert (get_load () == 0);
+}
+
+int zmq::poller_base_t::get_load ()
+{
+ return load.get ();
+}
+
+void zmq::poller_base_t::adjust_load (int amount_)
+{
+ if (amount_ > 0)
+ load.add (amount_);
+ else if (amount_ < 0)
+ load.sub (-amount_);
+}
+
+void zmq::poller_base_t::add_timer (int timeout_, i_poll_events *sink_, int id_)
+{
+ uint64_t expiration = clock.now_ms () + timeout_;
+ timer_info_t info = {sink_, id_};
+ timers.insert (timers_t::value_type (expiration, info));
+}
+
+void zmq::poller_base_t::cancel_timer (i_poll_events *sink_, int id_)
+{
+ // Complexity of this operation is O(n). We assume it is rarely used.
+ for (timers_t::iterator it = timers.begin (); it != timers.end (); ++it)
+ if (it->second.sink == sink_ && it->second.id == id_) {
+ timers.erase (it);
+ return;
+ }
+
+ // Timer not found.
+ zmq_assert (false);
+}
+
+uint64_t zmq::poller_base_t::execute_timers ()
+{
+ // Fast track.
+ if (timers.empty ())
+ return 0;
+
+ // Get the current time.
+ uint64_t current = clock.now_ms ();
+
+ // Execute the timers that are already due.
+ timers_t::iterator it = timers.begin ();
+ while (it != timers.end ()) {
+
+ // If we have to wait to execute the item, same will be true about
+ // all the following items (multimap is sorted). Thus we can stop
+ // checking the subsequent timers and return the time to wait for
+ // the next timer (at least 1ms).
+ if (it->first > current)
+ return it->first - current;
+
+ // Trigger the timer.
+ it->second.sink->timer_event (it->second.id);
+
+ // Remove it from the list of active timers.
+ timers_t::iterator o = it;
+ ++it;
+ timers.erase (o);
+ }
+
+ // There are no more timers.
+ return 0;
+}
diff --git a/src/poller_base.hpp b/src/poller_base.hpp
new file mode 100644
index 0000000..44fe9f1
--- /dev/null
+++ b/src/poller_base.hpp
@@ -0,0 +1,84 @@
+/*
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+
+ This file is part of 0MQ.
+
+ 0MQ is free software; you can redistribute it and/or modify it under
+ the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ 0MQ is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __ZMQ_POLLER_BASE_HPP_INCLUDED__
+#define __ZMQ_POLLER_BASE_HPP_INCLUDED__
+
+#include <map>
+
+#include "clock.hpp"
+#include "atomic_counter.hpp"
+
+namespace zmq
+{
+
+ class poller_base_t
+ {
+ public:
+
+ poller_base_t ();
+ virtual ~poller_base_t ();
+
+ // Returns load of the poller. Note that this function can be
+ // invoked from a different thread!
+ int get_load ();
+
+ // Add a timeout to expire in timeout_ milliseconds. After the
+ // expiration timer_event on sink_ object will be called with
+ // argument set to id_.
+ void add_timer (int timeout_, struct i_poll_events *sink_, int id_);
+
+ // Cancel the timer created by sink_ object with ID equal to id_.
+ void cancel_timer (struct i_poll_events *sink_, int id_);
+
+ protected:
+
+ // Called by individual poller implementations to manage the load.
+ void adjust_load (int amount_);
+
+ // Executes any timers that are due. Returns number of milliseconds
+ // to wait to match the next timer or 0 meaning "no timers".
+ uint64_t execute_timers ();
+
+ private:
+
+ // Clock instance private to this I/O thread.
+ clock_t clock;
+
+ // List of active timers.
+ struct timer_info_t
+ {
+ struct i_poll_events *sink;
+ int id;
+ };
+ typedef std::multimap <uint64_t, timer_info_t> timers_t;
+ timers_t timers;
+
+ // Load of the poller. Currently the number of file descriptors
+ // registered.
+ atomic_counter_t load;
+
+ poller_base_t (const poller_base_t&);
+ const poller_base_t &operator = (const poller_base_t&);
+ };
+
+}
+
+#endif
diff --git a/src/pub.cpp b/src/pub.cpp
index 4e73b19..74f07fc 100644
--- a/src/pub.cpp
+++ b/src/pub.cpp
@@ -1,177 +1,31 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#include "../include/zmq.h"
-
#include "pub.hpp"
-#include "err.hpp"
-#include "msg_content.hpp"
-#include "pipe.hpp"
-zmq::pub_t::pub_t (class app_thread_t *parent_) :
- socket_base_t (parent_),
- active (0)
+zmq::pub_t::pub_t (class ctx_t *parent_, uint32_t tid_) :
+ xpub_t (parent_, tid_)
{
- options.requires_in = false;
- options.requires_out = true;
+ options.type = ZMQ_PUB;
}
zmq::pub_t::~pub_t ()
{
- for (pipes_t::size_type i = 0; i != pipes.size (); i++)
- pipes [i]->term ();
- pipes.clear ();
-}
-
-void zmq::pub_t::xattach_pipes (class reader_t *inpipe_,
- class writer_t *outpipe_, const blob_t &peer_identity_)
-{
- zmq_assert (!inpipe_);
- pipes.push_back (outpipe_);
- pipes.swap (active, pipes.size () - 1);
- active++;
-}
-
-void zmq::pub_t::xdetach_inpipe (class reader_t *pipe_)
-{
- zmq_assert (false);
-}
-
-void zmq::pub_t::xdetach_outpipe (class writer_t *pipe_)
-{
- // Remove the pipe from the list; adjust number of active pipes
- // accordingly.
- if (pipes.index (pipe_) < active)
- active--;
- pipes.erase (pipe_);
}
-
-void zmq::pub_t::xkill (class reader_t *pipe_)
-{
- zmq_assert (false);
-}
-
-void zmq::pub_t::xrevive (class reader_t *pipe_)
-{
- zmq_assert (false);
-}
-
-void zmq::pub_t::xrevive (class writer_t *pipe_)
-{
- // Move the pipe to the list of active pipes.
- pipes.swap (pipes.index (pipe_), active);
- active++;
-}
-
-int zmq::pub_t::xsetsockopt (int option_, const void *optval_,
- size_t optvallen_)
-{
- errno = EINVAL;
- return -1;
-}
-
-int zmq::pub_t::xsend (zmq_msg_t *msg_, int flags_)
-{
- // If there are no active pipes available, simply drop the message.
- if (active == 0) {
- int rc = zmq_msg_close (msg_);
- zmq_assert (rc == 0);
- rc = zmq_msg_init (msg_);
- zmq_assert (rc == 0);
- return 0;
- }
-
- msg_content_t *content = (msg_content_t*) msg_->content;
-
- // For VSMs the copying is straighforward.
- if (content == (msg_content_t*) ZMQ_VSM) {
- for (pipes_t::size_type i = 0; i != active;)
- if (write (pipes [i], msg_))
- i++;
- int rc = zmq_msg_init (msg_);
- zmq_assert (rc == 0);
- return 0;
- }
-
- // Optimisation for the case when there's only a single pipe
- // to send the message to - no refcount adjustment i.e. no atomic
- // operations are needed.
- if (active == 1) {
- if (!write (pipes [0], msg_)) {
- int rc = zmq_msg_close (msg_);
- zmq_assert (rc == 0);
- }
- int rc = zmq_msg_init (msg_);
- zmq_assert (rc == 0);
- return 0;
- }
-
- // There are at least 2 destinations for the message. That means we have
- // to deal with reference counting. First add N-1 references to
- // the content (we are holding one reference anyway, that's why -1).
- if (msg_->flags & ZMQ_MSG_SHARED)
- content->refcnt.add (active - 1);
- else {
- content->refcnt.set (active);
- msg_->flags |= ZMQ_MSG_SHARED;
- }
-
- // Push the message to all destinations.
- for (pipes_t::size_type i = 0; i != active;) {
- if (!write (pipes [i], msg_))
- content->refcnt.sub (1);
- else
- i++;
- }
-
- // Detach the original message from the data buffer.
- int rc = zmq_msg_init (msg_);
- zmq_assert (rc == 0);
-
- return 0;
-}
-
-int zmq::pub_t::xrecv (zmq_msg_t *msg_, int flags_)
-{
- errno = ENOTSUP;
- return -1;
-}
-
-bool zmq::pub_t::xhas_in ()
-{
- return false;
-}
-
-bool zmq::pub_t::xhas_out ()
-{
- return true;
-}
-
-bool zmq::pub_t::write (class writer_t *pipe_, zmq_msg_t *msg_)
-{
- if (!pipe_->write (msg_)) {
- active--;
- pipes.swap (pipes.index (pipe_), active);
- return false;
- }
- if (!(msg_->flags & ZMQ_MSG_MORE))
- pipe_->flush ();
- return true;
-}
-
diff --git a/src/pub.hpp b/src/pub.hpp
index ac3924a..e69af3c 100644
--- a/src/pub.hpp
+++ b/src/pub.hpp
@@ -1,68 +1,42 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __ZMQ_PUB_HPP_INCLUDED__
#define __ZMQ_PUB_HPP_INCLUDED__
-#include "socket_base.hpp"
-#include "yarray.hpp"
+#include "xpub.hpp"
namespace zmq
{
- class pub_t : public socket_base_t
+ class pub_t : public xpub_t
{
public:
- pub_t (class app_thread_t *parent_);
+ pub_t (class ctx_t *parent_, uint32_t tid_);
~pub_t ();
- // Overloads of functions from socket_base_t.
- void xattach_pipes (class reader_t *inpipe_, class writer_t *outpipe_,
- const blob_t &peer_identity_);
- void xdetach_inpipe (class reader_t *pipe_);
- void xdetach_outpipe (class writer_t *pipe_);
- void xkill (class reader_t *pipe_);
- void xrevive (class reader_t *pipe_);
- void xrevive (class writer_t *pipe_);
- int xsetsockopt (int option_, const void *optval_, size_t optvallen_);
- int xsend (zmq_msg_t *msg_, int flags_);
- int xrecv (zmq_msg_t *msg_, int flags_);
- bool xhas_in ();
- bool xhas_out ();
-
private:
- // Write the message to the pipe. Make the pipe inactive if writing
- // fails. In such a case false is returned.
- bool write (class writer_t *pipe_, zmq_msg_t *msg_);
-
- // Outbound pipes, i.e. those the socket is sending messages to.
- typedef yarray_t <class writer_t> pipes_t;
- pipes_t pipes;
-
- // Number of active pipes. All the active pipes are located at the
- // beginning of the pipes array.
- pipes_t::size_type active;
-
pub_t (const pub_t&);
- void operator = (const pub_t&);
+ const pub_t &operator = (const pub_t&);
};
}
diff --git a/src/pull.cpp b/src/pull.cpp
index b2413ee..a8c2466 100644
--- a/src/pull.cpp
+++ b/src/pull.cpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -22,9 +23,11 @@
#include "pull.hpp"
#include "err.hpp"
-zmq::pull_t::pull_t (class app_thread_t *parent_) :
- socket_base_t (parent_)
+zmq::pull_t::pull_t (class ctx_t *parent_, uint32_t tid_) :
+ socket_base_t (parent_, tid_),
+ fq (this)
{
+ options.type = ZMQ_PULL;
options.requires_in = true;
options.requires_out = false;
}
@@ -40,45 +43,10 @@ void zmq::pull_t::xattach_pipes (class reader_t *inpipe_,
fq.attach (inpipe_);
}
-void zmq::pull_t::xdetach_inpipe (class reader_t *pipe_)
+void zmq::pull_t::process_term (int linger_)
{
- zmq_assert (pipe_);
- fq.detach (pipe_);
-}
-
-void zmq::pull_t::xdetach_outpipe (class writer_t *pipe_)
-{
- // There are no outpipes, so this function shouldn't be called at all.
- zmq_assert (false);
-}
-
-void zmq::pull_t::xkill (class reader_t *pipe_)
-{
- fq.kill (pipe_);
-}
-
-void zmq::pull_t::xrevive (class reader_t *pipe_)
-{
- fq.revive (pipe_);
-}
-
-void zmq::pull_t::xrevive (class writer_t *pipe_)
-{
- zmq_assert (false);
-}
-
-int zmq::pull_t::xsetsockopt (int option_, const void *optval_,
- size_t optvallen_)
-{
- // No special options for this socket type.
- errno = EINVAL;
- return -1;
-}
-
-int zmq::pull_t::xsend (zmq_msg_t *msg_, int flags_)
-{
- errno = ENOTSUP;
- return -1;
+ fq.terminate ();
+ socket_base_t::process_term (linger_);
}
int zmq::pull_t::xrecv (zmq_msg_t *msg_, int flags_)
@@ -91,8 +59,3 @@ bool zmq::pull_t::xhas_in ()
return fq.has_in ();
}
-bool zmq::pull_t::xhas_out ()
-{
- return false;
-}
-
diff --git a/src/pull.hpp b/src/pull.hpp
index 7f249e9..95084ba 100644
--- a/src/pull.hpp
+++ b/src/pull.hpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -30,30 +31,27 @@ namespace zmq
{
public:
- pull_t (class app_thread_t *parent_);
+ pull_t (class ctx_t *parent_, uint32_t tid_);
~pull_t ();
+ protected:
+
// Overloads of functions from socket_base_t.
void xattach_pipes (class reader_t *inpipe_, class writer_t *outpipe_,
const blob_t &peer_identity_);
- void xdetach_inpipe (class reader_t *pipe_);
- void xdetach_outpipe (class writer_t *pipe_);
- void xkill (class reader_t *pipe_);
- void xrevive (class reader_t *pipe_);
- void xrevive (class writer_t *pipe_);
- int xsetsockopt (int option_, const void *optval_, size_t optvallen_);
- int xsend (zmq_msg_t *msg_, int flags_);
int xrecv (zmq_msg_t *msg_, int flags_);
bool xhas_in ();
- bool xhas_out ();
private:
+ // Hook into the termination process.
+ void process_term (int linger_);
+
// Fair queueing object for inbound pipes.
fq_t fq;
pull_t (const pull_t&);
- void operator = (const pull_t&);
+ const pull_t &operator = (const pull_t&);
};
diff --git a/src/push.cpp b/src/push.cpp
index 522101f..072994f 100644
--- a/src/push.cpp
+++ b/src/push.cpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -23,9 +24,11 @@
#include "err.hpp"
#include "pipe.hpp"
-zmq::push_t::push_t (class app_thread_t *parent_) :
- socket_base_t (parent_)
+zmq::push_t::push_t (class ctx_t *parent_, uint32_t tid_) :
+ socket_base_t (parent_, tid_),
+ lb (this)
{
+ options.type = ZMQ_PUSH;
options.requires_in = false;
options.requires_out = true;
}
@@ -41,41 +44,10 @@ void zmq::push_t::xattach_pipes (class reader_t *inpipe_,
lb.attach (outpipe_);
}
-void zmq::push_t::xdetach_inpipe (class reader_t *pipe_)
+void zmq::push_t::process_term (int linger_)
{
- // There are no inpipes, so this function shouldn't be called at all.
- zmq_assert (false);
-}
-
-void zmq::push_t::xdetach_outpipe (class writer_t *pipe_)
-{
- zmq_assert (pipe_);
- lb.detach (pipe_);
-}
-
-void zmq::push_t::xkill (class reader_t *pipe_)
-{
- // There are no inpipes, so this function shouldn't be called at all.
- zmq_assert (false);
-}
-
-void zmq::push_t::xrevive (class reader_t *pipe_)
-{
- // There are no inpipes, so this function shouldn't be called at all.
- zmq_assert (false);
-}
-
-void zmq::push_t::xrevive (class writer_t *pipe_)
-{
- lb.revive (pipe_);
-}
-
-int zmq::push_t::xsetsockopt (int option_, const void *optval_,
- size_t optvallen_)
-{
- // No special option for this socket type.
- errno = EINVAL;
- return -1;
+ lb.terminate ();
+ socket_base_t::process_term (linger_);
}
int zmq::push_t::xsend (zmq_msg_t *msg_, int flags_)
@@ -83,17 +55,6 @@ int zmq::push_t::xsend (zmq_msg_t *msg_, int flags_)
return lb.send (msg_, flags_);
}
-int zmq::push_t::xrecv (zmq_msg_t *msg_, int flags_)
-{
- errno = ENOTSUP;
- return -1;
-}
-
-bool zmq::push_t::xhas_in ()
-{
- return false;
-}
-
bool zmq::push_t::xhas_out ()
{
return lb.has_out ();
diff --git a/src/push.hpp b/src/push.hpp
index b3c8d87..f04b25f 100644
--- a/src/push.hpp
+++ b/src/push.hpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -30,30 +31,27 @@ namespace zmq
{
public:
- push_t (class app_thread_t *parent_);
+ push_t (class ctx_t *parent_, uint32_t tid_);
~push_t ();
+ protected:
+
// Overloads of functions from socket_base_t.
void xattach_pipes (class reader_t *inpipe_, class writer_t *outpipe_,
const blob_t &peer_identity_);
- void xdetach_inpipe (class reader_t *pipe_);
- void xdetach_outpipe (class writer_t *pipe_);
- void xkill (class reader_t *pipe_);
- void xrevive (class reader_t *pipe_);
- void xrevive (class writer_t *pipe_);
- int xsetsockopt (int option_, const void *optval_, size_t optvallen_);
int xsend (zmq_msg_t *msg_, int flags_);
- int xrecv (zmq_msg_t *msg_, int flags_);
- bool xhas_in ();
bool xhas_out ();
private:
+ // Hook into the termination process.
+ void process_term (int linger_);
+
// Load balancer managing the outbound pipes.
lb_t lb;
push_t (const push_t&);
- void operator = (const push_t&);
+ const push_t &operator = (const push_t&);
};
}
diff --git a/src/queue.hpp b/src/queue.hpp
deleted file mode 100644
index dc968cb..0000000
--- a/src/queue.hpp
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- Copyright (c) 2007-2010 iMatix Corporation
-
- This file is part of 0MQ.
-
- 0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- 0MQ is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
-
- You should have received a copy of the Lesser GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#ifndef __ZMQ_QUEUE_HPP_INCLUDED__
-#define __ZMQ_QUEUE_HPP_INCLUDED__
-
-namespace zmq
-{
-
- int queue (class socket_base_t *insocket_,
- class socket_base_t *outsocket_);
-
-}
-
-#endif
diff --git a/src/reaper.cpp b/src/reaper.cpp
new file mode 100644
index 0000000..d3ebbba
--- /dev/null
+++ b/src/reaper.cpp
@@ -0,0 +1,121 @@
+/*
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+
+ This file is part of 0MQ.
+
+ 0MQ is free software; you can redistribute it and/or modify it under
+ the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ 0MQ is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "reaper.hpp"
+#include "socket_base.hpp"
+#include "err.hpp"
+
+zmq::reaper_t::reaper_t (class ctx_t *ctx_, uint32_t tid_) :
+ object_t (ctx_, tid_),
+ sockets (0),
+ terminating (false)
+{
+ poller = new (std::nothrow) poller_t;
+ alloc_assert (poller);
+
+ mailbox_handle = poller->add_fd (mailbox.get_fd (), this);
+ poller->set_pollin (mailbox_handle);
+}
+
+zmq::reaper_t::~reaper_t ()
+{
+ delete poller;
+}
+
+zmq::mailbox_t *zmq::reaper_t::get_mailbox ()
+{
+ return &mailbox;
+}
+
+void zmq::reaper_t::start ()
+{
+ // Start the thread.
+ poller->start ();
+}
+
+void zmq::reaper_t::stop ()
+{
+ send_stop ();
+}
+
+void zmq::reaper_t::in_event ()
+{
+ while (true) {
+
+ // Get the next command. If there is none, exit.
+ command_t cmd;
+ int rc = mailbox.recv (&cmd, false);
+ if (rc != 0 && errno == EINTR)
+ continue;
+ if (rc != 0 && errno == EAGAIN)
+ break;
+ errno_assert (rc == 0);
+
+ // Process the command.
+ cmd.destination->process_command (cmd);
+ }
+}
+
+void zmq::reaper_t::out_event ()
+{
+ zmq_assert (false);
+}
+
+void zmq::reaper_t::timer_event (int id_)
+{
+ zmq_assert (false);
+}
+
+void zmq::reaper_t::process_stop ()
+{
+ terminating = true;
+
+ // If there are no sockets beig reaped finish immediately.
+ if (!sockets) {
+ send_done ();
+ poller->rm_fd (mailbox_handle);
+ poller->stop ();
+ }
+}
+
+void zmq::reaper_t::process_reap (socket_base_t *socket_)
+{
+ // Add the socket to the poller.
+ socket_->start_reaping (poller);
+
+ // Start termination of associated I/O object hierarchy.
+ socket_->terminate ();
+ socket_->check_destroy ();
+
+ ++sockets;
+}
+
+void zmq::reaper_t::process_reaped ()
+{
+ --sockets;
+
+ // If reaped was already asked to terminate and there are no more sockets,
+ // finish immediately.
+ if (!sockets && terminating) {
+ send_done ();
+ poller->rm_fd (mailbox_handle);
+ poller->stop ();
+ }
+}
diff --git a/src/reaper.hpp b/src/reaper.hpp
new file mode 100644
index 0000000..edcc319
--- /dev/null
+++ b/src/reaper.hpp
@@ -0,0 +1,77 @@
+/*
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+
+ This file is part of 0MQ.
+
+ 0MQ is free software; you can redistribute it and/or modify it under
+ the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ 0MQ is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __ZMQ_REAPER_HPP_INCLUDED__
+#define __ZMQ_REAPER_HPP_INCLUDED__
+
+#include "object.hpp"
+#include "mailbox.hpp"
+#include "poller.hpp"
+#include "i_poll_events.hpp"
+
+namespace zmq
+{
+
+ class reaper_t : public object_t, public i_poll_events
+ {
+ public:
+
+ reaper_t (class ctx_t *ctx_, uint32_t tid_);
+ ~reaper_t ();
+
+ mailbox_t *get_mailbox ();
+
+ void start ();
+ void stop ();
+
+ // i_poll_events implementation.
+ void in_event ();
+ void out_event ();
+ void timer_event (int id_);
+
+ private:
+
+ // Command handlers.
+ void process_stop ();
+ void process_reap (class socket_base_t *socket_);
+ void process_reaped ();
+
+ // Reaper thread accesses incoming commands via this mailbox.
+ mailbox_t mailbox;
+
+ // Handle associated with mailbox' file descriptor.
+ poller_t::handle_t mailbox_handle;
+
+ // I/O multiplexing is performed using a poller object.
+ poller_t *poller;
+
+ // Number of sockets being reaped at the moment.
+ int sockets;
+
+ // If true, we were already asked to terminate.
+ bool terminating;
+
+ reaper_t (const reaper_t&);
+ const reaper_t &operator = (const reaper_t&);
+ };
+
+}
+
+#endif
diff --git a/src/rep.cpp b/src/rep.cpp
index 34b77c4..46c35cb 100644
--- a/src/rep.cpp
+++ b/src/rep.cpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -21,160 +22,37 @@
#include "rep.hpp"
#include "err.hpp"
-#include "pipe.hpp"
-zmq::rep_t::rep_t (class app_thread_t *parent_) :
- socket_base_t (parent_),
- active (0),
- current (0),
+zmq::rep_t::rep_t (class ctx_t *parent_, uint32_t tid_) :
+ xrep_t (parent_, tid_),
sending_reply (false),
- more (false),
- reply_pipe (NULL)
+ request_begins (true)
{
- options.requires_in = true;
- options.requires_out = true;
-
- // We don't need immediate connect. We'll be able to send messages
- // (replies) only when connection is established and thus requests
- // can arrive anyway.
- options.immediate_connect = false;
+ options.type = ZMQ_REP;
}
zmq::rep_t::~rep_t ()
{
}
-void zmq::rep_t::xattach_pipes (class reader_t *inpipe_,
- class writer_t *outpipe_, const blob_t &peer_identity_)
-{
- zmq_assert (inpipe_ && outpipe_);
- zmq_assert (in_pipes.size () == out_pipes.size ());
-
- in_pipes.push_back (inpipe_);
- in_pipes.swap (active, in_pipes.size () - 1);
- out_pipes.push_back (outpipe_);
- out_pipes.swap (active, out_pipes.size () - 1);
- active++;
-}
-
-void zmq::rep_t::xdetach_inpipe (class reader_t *pipe_)
-{
- zmq_assert (sending_reply || !more || in_pipes [current] != pipe_);
-
- zmq_assert (pipe_);
- zmq_assert (in_pipes.size () == out_pipes.size ());
-
- in_pipes_t::size_type index = in_pipes.index (pipe_);
-
- if (index < active) {
- active--;
- if (current == active)
- current = 0;
- }
-
- if (out_pipes [index])
- out_pipes [index]->term ();
- in_pipes.erase (index);
- out_pipes.erase (index);
-}
-
-void zmq::rep_t::xdetach_outpipe (class writer_t *pipe_)
-{
- zmq_assert (pipe_);
- zmq_assert (in_pipes.size () == out_pipes.size ());
-
- out_pipes_t::size_type index = out_pipes.index (pipe_);
-
- // If the connection we've got the request from disconnects,
- // there's nowhere to send the reply. Forget about the reply pipe.
- // Once the reply is sent it will be dropped.
- if (sending_reply && pipe_ == reply_pipe)
- reply_pipe = NULL;
-
- if (out_pipes.index (pipe_) < active) {
- active--;
- if (current == active)
- current = 0;
- }
-
- if (in_pipes [index])
- in_pipes [index]->term ();
- in_pipes.erase (index);
- out_pipes.erase (index);
-}
-
-void zmq::rep_t::xkill (class reader_t *pipe_)
-{
- // Move the pipe to the list of inactive pipes.
- in_pipes_t::size_type index = in_pipes.index (pipe_);
- active--;
- in_pipes.swap (index, active);
- out_pipes.swap (index, active);
-}
-
-void zmq::rep_t::xrevive (class reader_t *pipe_)
-{
- // Move the pipe to the list of active pipes.
- in_pipes_t::size_type index = in_pipes.index (pipe_);
- in_pipes.swap (index, active);
- out_pipes.swap (index, active);
- active++;
-}
-
-void zmq::rep_t::xrevive (class writer_t *pipe_)
-{
-}
-
-int zmq::rep_t::xsetsockopt (int option_, const void *optval_,
- size_t optvallen_)
-{
- errno = EINVAL;
- return -1;
-}
-
int zmq::rep_t::xsend (zmq_msg_t *msg_, int flags_)
{
+ // If we are in the middle of receiving a request, we cannot send reply.
if (!sending_reply) {
errno = EFSM;
return -1;
}
- if (reply_pipe) {
+ bool more = (msg_->flags & ZMQ_MSG_MORE);
- // Push message to the reply pipe.
- bool written = reply_pipe->write (msg_);
- zmq_assert (!more || written);
+ // Push message to the reply pipe.
+ int rc = xrep_t::xsend (msg_, flags_);
+ if (rc != 0)
+ return rc;
- // The pipe is full...
- // When this happens, we simply return an error.
- // This makes REP sockets vulnerable to DoS attack when
- // misbehaving requesters stop collecting replies.
- // TODO: Tear down the underlying connection (?)
- if (!written) {
- errno = EAGAIN;
- return -1;
- }
-
- more = msg_->flags & ZMQ_MSG_MORE;
- }
- else {
-
- // If the requester have disconnected in the meantime, drop the reply.
- more = msg_->flags & ZMQ_MSG_MORE;
- zmq_msg_close (msg_);
- }
-
- // Flush the reply to the requester.
- if (!more) {
- if (reply_pipe)
- reply_pipe->flush ();
+ // If the reply is complete flip the FSM back to request receiving state.
+ if (!more)
sending_reply = false;
- reply_pipe = NULL;
- }
-
- // Detach the message from the data buffer.
- int rc = zmq_msg_init (msg_);
- zmq_assert (rc == 0);
return 0;
}
@@ -187,63 +65,44 @@ int zmq::rep_t::xrecv (zmq_msg_t *msg_, int flags_)
return -1;
}
- // Deallocate old content of the message.
- zmq_msg_close (msg_);
-
- // We haven't started reading a request yet...
- if (!more) {
+ if (request_begins) {
- // Round-robin over the pipes to get next message.
- int count;
- for (count = active; count != 0; count--) {
- if (in_pipes [current]->read (msg_))
- break;
- current++;
- if (current >= active)
- current = 0;
- }
+ // Copy the backtrace stack to the reply pipe.
+ bool bottom = false;
+ while (!bottom) {
- // No message is available. Initialise the output parameter
- // to be a 0-byte message.
- if (count == 0) {
- zmq_msg_init (msg_);
- errno = EAGAIN;
- return -1;
- }
+ // TODO: What if request can be read but reply pipe is not
+ // ready for writing?
- // We are aware of a new message now. Setup the reply pipe.
- reply_pipe = out_pipes [current];
+ // Get next part of the backtrace stack.
+ int rc = xrep_t::xrecv (msg_, flags_);
+ if (rc != 0)
+ return rc;
+ zmq_assert (msg_->flags & ZMQ_MSG_MORE);
- // Copy the routing info to the reply pipe.
- while (true) {
+ // Empty message part delimits the traceback stack.
+ bottom = (zmq_msg_size (msg_) == 0);
- // Push message to the reply pipe.
- // TODO: What if the pipe is full?
- // Tear down the underlying connection?
- bool written = reply_pipe->write (msg_);
- zmq_assert (written);
-
- // Message part of zero size delimits the traceback stack.
- if (zmq_msg_size (msg_) == 0)
- break;
-
- // Get next part of the message.
- bool fetched = in_pipes [current]->read (msg_);
- zmq_assert (fetched);
+ // Push it to the reply pipe.
+ rc = xrep_t::xsend (msg_, flags_);
+ zmq_assert (rc == 0);
}
+
+ request_begins = false;
}
- // Now the routing info is processed. Get the first part
+ // Now the routing info is safely stored. Get the first part
// of the message payload and exit.
- bool fetched = in_pipes [current]->read (msg_);
- zmq_assert (fetched);
- more = msg_->flags & ZMQ_MSG_MORE;
- if (!more) {
- current++;
- if (current >= active)
- current = 0;
+ int rc = xrep_t::xrecv (msg_, flags_);
+ if (rc != 0)
+ return rc;
+
+ // If whole request is read, flip the FSM to reply-sending state.
+ if (!(msg_->flags & ZMQ_MSG_MORE)) {
sending_reply = true;
+ request_begins = true;
}
+
return 0;
}
@@ -252,18 +111,7 @@ bool zmq::rep_t::xhas_in ()
if (sending_reply)
return false;
- if (more)
- return true;
-
- for (int count = active; count != 0; count--) {
- if (in_pipes [current]->check_read ())
- return !sending_reply;
- current++;
- if (current >= active)
- current = 0;
- }
-
- return false;
+ return xrep_t::xhas_in ();
}
bool zmq::rep_t::xhas_out ()
@@ -271,10 +119,6 @@ bool zmq::rep_t::xhas_out ()
if (!sending_reply)
return false;
- if (more)
- return true;
-
- // TODO: No check for write here...
- return sending_reply;
+ return xrep_t::xhas_out ();
}
diff --git a/src/rep.hpp b/src/rep.hpp
index aef4318..d0dd9c8 100644
--- a/src/rep.hpp
+++ b/src/rep.hpp
@@ -1,47 +1,39 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __ZMQ_REP_HPP_INCLUDED__
#define __ZMQ_REP_HPP_INCLUDED__
-#include "socket_base.hpp"
-#include "yarray.hpp"
+#include "xrep.hpp"
namespace zmq
{
- class rep_t : public socket_base_t
+ class rep_t : public xrep_t
{
public:
- rep_t (class app_thread_t *parent_);
+ rep_t (class ctx_t *parent_, uint32_t tid_);
~rep_t ();
// Overloads of functions from socket_base_t.
- void xattach_pipes (class reader_t *inpipe_, class writer_t *outpipe_,
- const blob_t &peer_identity_);
- void xdetach_inpipe (class reader_t *pipe_);
- void xdetach_outpipe (class writer_t *pipe_);
- void xkill (class reader_t *pipe_);
- void xrevive (class reader_t *pipe_);
- void xrevive (class writer_t *pipe_);
- int xsetsockopt (int option_, const void *optval_, size_t optvallen_);
int xsend (zmq_msg_t *msg_, int flags_);
int xrecv (zmq_msg_t *msg_, int flags_);
bool xhas_in ();
@@ -49,34 +41,16 @@ namespace zmq
private:
- // List in outbound and inbound pipes. Note that the two lists are
- // always in sync. I.e. outpipe with index N communicates with the
- // same session as inpipe with index N.
- typedef yarray_t <class writer_t> out_pipes_t;
- out_pipes_t out_pipes;
- typedef yarray_t <class reader_t> in_pipes_t;
- in_pipes_t in_pipes;
-
- // Number of active inpipes. All the active inpipes are located at the
- // beginning of the in_pipes array.
- in_pipes_t::size_type active;
-
- // Index of the next inbound pipe to read a request from.
- in_pipes_t::size_type current;
-
- // If true, request was already received and reply wasn't completely
- // sent yet.
+ // If true, we are in process of sending the reply. If false we are
+ // in process of receiving a request.
bool sending_reply;
- // True, if message processed at the moment (either sent or received)
- // is processed only partially.
- bool more;
-
- // Pipe we are going to send reply to.
- class writer_t *reply_pipe;
+ // If true, we are starting to receive a request. The beginning
+ // of the request is the backtrace stack.
+ bool request_begins;
rep_t (const rep_t&);
- void operator = (const rep_t&);
+ const rep_t &operator = (const rep_t&);
};
diff --git a/src/req.cpp b/src/req.cpp
index a77c061..f495492 100644
--- a/src/req.cpp
+++ b/src/req.cpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -21,119 +22,19 @@
#include "req.hpp"
#include "err.hpp"
-#include "pipe.hpp"
-zmq::req_t::req_t (class app_thread_t *parent_) :
- socket_base_t (parent_),
- active (0),
- current (0),
+zmq::req_t::req_t (class ctx_t *parent_, uint32_t tid_) :
+ xreq_t (parent_, tid_),
receiving_reply (false),
- reply_pipe_active (false),
- more (false),
- reply_pipe (NULL)
+ message_begins (true)
{
- options.requires_in = true;
- options.requires_out = true;
+ options.type = ZMQ_REQ;
}
zmq::req_t::~req_t ()
{
}
-void zmq::req_t::xattach_pipes (class reader_t *inpipe_,
- class writer_t *outpipe_, const blob_t &peer_identity_)
-{
- zmq_assert (inpipe_ && outpipe_);
- zmq_assert (in_pipes.size () == out_pipes.size ());
-
- in_pipes.push_back (inpipe_);
- in_pipes.swap (active, in_pipes.size () - 1);
-
- out_pipes.push_back (outpipe_);
- out_pipes.swap (active, out_pipes.size () - 1);
-
- active++;
-}
-
-void zmq::req_t::xdetach_inpipe (class reader_t *pipe_)
-{
- zmq_assert (!receiving_reply || !more || reply_pipe != pipe_);
-
- zmq_assert (pipe_);
- zmq_assert (in_pipes.size () == out_pipes.size ());
-
- // TODO: The pipe we are awaiting the reply from is detached. What now?
- // Return ECONNRESET from subsequent recv?
- if (receiving_reply && pipe_ == reply_pipe) {
- zmq_assert (false);
- }
-
- in_pipes_t::size_type index = in_pipes.index (pipe_);
-
- if (out_pipes [index])
- out_pipes [index]->term ();
- in_pipes.erase (index);
- out_pipes.erase (index);
- if (index < active) {
- active--;
- if (current == active)
- current = 0;
- }
-}
-
-void zmq::req_t::xdetach_outpipe (class writer_t *pipe_)
-{
- zmq_assert (receiving_reply || !more || out_pipes [current] != pipe_);
-
- zmq_assert (pipe_);
- zmq_assert (in_pipes.size () == out_pipes.size ());
-
- out_pipes_t::size_type index = out_pipes.index (pipe_);
-
- if (in_pipes [index])
- in_pipes [index]->term ();
- in_pipes.erase (index);
- out_pipes.erase (index);
- if (index < active) {
- active--;
- if (current == active)
- current = 0;
- }
-}
-
-void zmq::req_t::xkill (class reader_t *pipe_)
-{
- zmq_assert (receiving_reply);
- zmq_assert (pipe_ == reply_pipe);
-
- reply_pipe_active = false;
-}
-
-void zmq::req_t::xrevive (class reader_t *pipe_)
-{
- if (pipe_ == reply_pipe)
- reply_pipe_active = true;
-}
-
-void zmq::req_t::xrevive (class writer_t *pipe_)
-{
- out_pipes_t::size_type index = out_pipes.index (pipe_);
- zmq_assert (index >= active);
-
- if (in_pipes [index] != NULL) {
- in_pipes.swap (index, active);
- out_pipes.swap (index, active);
- active++;
- }
-}
-
-int zmq::req_t::xsetsockopt (int option_, const void *optval_,
- size_t optvallen_)
-{
- errno = EINVAL;
- return -1;
-}
-
int zmq::req_t::xsend (zmq_msg_t *msg_, int flags_)
{
// If we've sent a request and we still haven't got the reply,
@@ -143,98 +44,59 @@ int zmq::req_t::xsend (zmq_msg_t *msg_, int flags_)
return -1;
}
- while (active > 0) {
- if (out_pipes [current]->check_write ())
- break;
-
- zmq_assert (!more);
- active--;
- if (current < active) {
- in_pipes.swap (current, active);
- out_pipes.swap (current, active);
- }
- else
- current = 0;
- }
-
- if (active == 0) {
- errno = EAGAIN;
- return -1;
- }
-
- // If we are starting to send the request, generate a prefix.
- if (!more) {
+ // First part of the request is empty message part (stack bottom).
+ if (message_begins) {
zmq_msg_t prefix;
int rc = zmq_msg_init (&prefix);
zmq_assert (rc == 0);
- prefix.flags |= ZMQ_MSG_MORE;
- bool written = out_pipes [current]->write (&prefix);
- zmq_assert (written);
+ prefix.flags = ZMQ_MSG_MORE;
+ rc = xreq_t::xsend (&prefix, flags_);
+ if (rc != 0)
+ return rc;
+ message_begins = false;
}
- // Push the message to the selected pipe.
- bool written = out_pipes [current]->write (msg_);
- zmq_assert (written);
- more = msg_->flags & ZMQ_MSG_MORE;
- if (!more) {
- out_pipes [current]->flush ();
- receiving_reply = true;
- reply_pipe = in_pipes [current];
+ bool more = msg_->flags & ZMQ_MSG_MORE;
- // We can safely assume that the reply pipe is active as the last time
- // we've used it we've read the reply and haven't tried to read from it
- // anymore.
- reply_pipe_active = true;
+ int rc = xreq_t::xsend (msg_, flags_);
+ if (rc != 0)
+ return rc;
- // Move to the next pipe (load-balancing).
- current = (current + 1) % active;
+ // If the request was fully sent, flip the FSM into reply-receiving state.
+ if (!more) {
+ receiving_reply = true;
+ message_begins = true;
}
- // Detach the message from the data buffer.
- int rc = zmq_msg_init (msg_);
- zmq_assert (rc == 0);
-
return 0;
}
int zmq::req_t::xrecv (zmq_msg_t *msg_, int flags_)
{
- // Deallocate old content of the message.
- int rc = zmq_msg_close (msg_);
- zmq_assert (rc == 0);
-
// If request wasn't send, we can't wait for reply.
if (!receiving_reply) {
- zmq_msg_init (msg_);
errno = EFSM;
return -1;
}
- // Get the reply from the reply pipe.
- if (!reply_pipe_active || !reply_pipe->read (msg_)) {
- zmq_msg_init (msg_);
- errno = EAGAIN;
- return -1;
- }
-
- // If we are starting to receive new reply, check whether prefix
- // is well-formed and drop it.
- if (!more) {
+ // First part of the reply should be empty message part (stack bottom).
+ if (message_begins) {
+ int rc = xreq_t::xrecv (msg_, flags_);
+ if (rc != 0)
+ return rc;
zmq_assert (msg_->flags & ZMQ_MSG_MORE);
zmq_assert (zmq_msg_size (msg_) == 0);
- rc = zmq_msg_close (msg_);
- zmq_assert (rc == 0);
-
- // Get the actual reply.
- bool recvd = reply_pipe->read (msg_);
- zmq_assert (recvd);
+ message_begins = false;
}
- // If this was last part of the reply, switch to request phase.
- more = msg_->flags & ZMQ_MSG_MORE;
- if (!more) {
+ int rc = xreq_t::xrecv (msg_, flags_);
+ if (rc != 0)
+ return rc;
+
+ // If the reply is fully received, flip the FSM into request-sending state.
+ if (!(msg_->flags & ZMQ_MSG_MORE)) {
receiving_reply = false;
- reply_pipe = NULL;
+ message_begins = true;
}
return 0;
@@ -242,43 +104,18 @@ int zmq::req_t::xrecv (zmq_msg_t *msg_, int flags_)
bool zmq::req_t::xhas_in ()
{
- if (receiving_reply && more)
- return true;
-
- if (!receiving_reply || !reply_pipe_active)
- return false;
-
- zmq_assert (reply_pipe);
- if (!reply_pipe->check_read ()) {
- reply_pipe_active = false;
+ if (!receiving_reply)
return false;
- }
- return true;
+ return xreq_t::xhas_in ();
}
bool zmq::req_t::xhas_out ()
{
- if (!receiving_reply && more)
- return true;
-
if (receiving_reply)
return false;
- while (active > 0) {
- if (out_pipes [current]->check_write ())
- return true;;
-
- active--;
- if (current < active) {
- in_pipes.swap (current, active);
- out_pipes.swap (current, active);
- }
- else
- current = 0;
- }
-
- return false;
+ return xreq_t::xhas_out ();
}
diff --git a/src/req.hpp b/src/req.hpp
index 5ab7bca..3138498 100644
--- a/src/req.hpp
+++ b/src/req.hpp
@@ -1,47 +1,39 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __ZMQ_REQ_HPP_INCLUDED__
#define __ZMQ_REQ_HPP_INCLUDED__
-#include "socket_base.hpp"
-#include "yarray.hpp"
+#include "xreq.hpp"
namespace zmq
{
- class req_t : public socket_base_t
+ class req_t : public xreq_t
{
public:
- req_t (class app_thread_t *parent_);
+ req_t (class ctx_t *parent_, uint32_t tid_);
~req_t ();
// Overloads of functions from socket_base_t.
- void xattach_pipes (class reader_t *inpipe_, class writer_t *outpipe_,
- const blob_t &peer_identity_);
- void xdetach_inpipe (class reader_t *pipe_);
- void xdetach_outpipe (class writer_t *pipe_);
- void xkill (class reader_t *pipe_);
- void xrevive (class reader_t *pipe_);
- void xrevive (class writer_t *pipe_);
- int xsetsockopt (int option_, const void *optval_, size_t optvallen_);
int xsend (zmq_msg_t *msg_, int flags_);
int xrecv (zmq_msg_t *msg_, int flags_);
bool xhas_in ();
@@ -49,43 +41,16 @@ namespace zmq
private:
- // List in outbound and inbound pipes. Note that the two lists are
- // always in sync. I.e. outpipe with index N communicates with the
- // same session as inpipe with index N.
- //
- // TODO: Once we have queue limits in place, list of active outpipes
- // is to be held (presumably by stacking active outpipes at
- // the beginning of the array). We don't have to do the same thing for
- // inpipes, because we know which pipe we want to read the
- // reply from.
- typedef yarray_t <class writer_t> out_pipes_t;
- out_pipes_t out_pipes;
- typedef yarray_t <class reader_t> in_pipes_t;
- in_pipes_t in_pipes;
-
- // Number of active pipes.
- size_t active;
-
- // Req_t load-balances the requests - 'current' points to the session
- // that's processing the request at the moment.
- out_pipes_t::size_type current;
-
// If true, request was already sent and reply wasn't received yet or
// was raceived partially.
bool receiving_reply;
- // True, if read can be attempted from the reply pipe.
- bool reply_pipe_active;
-
- // True, if message processed at the moment (either sent or received)
- // is processed only partially.
- bool more;
-
- // Pipe we are awaiting the reply from.
- class reader_t *reply_pipe;
+ // If true, we are starting to send/recv a message. The first part
+ // of the message must be empty message part (backtrace stack bottom).
+ bool message_begins;
req_t (const req_t&);
- void operator = (const req_t&);
+ const req_t &operator = (const req_t&);
};
}
diff --git a/src/select.cpp b/src/select.cpp
index 59eb83e..56f9f74 100644
--- a/src/select.cpp
+++ b/src/select.cpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -54,9 +55,6 @@ zmq::select_t::select_t () :
zmq::select_t::~select_t ()
{
worker.stop ();
-
- // Make sure there are no fds registered on shutdown.
- zmq_assert (load.get () == 0);
}
zmq::select_t::handle_t zmq::select_t::add_fd (fd_t fd_, i_poll_events *events_)
@@ -77,7 +75,7 @@ zmq::select_t::handle_t zmq::select_t::add_fd (fd_t fd_, i_poll_events *events_)
maxfd = fd_;
// Increase the load metric of the thread.
- load.add (1);
+ adjust_load (1);
return fd_;
}
@@ -86,7 +84,7 @@ void zmq::select_t::rm_fd (handle_t handle_)
{
// Mark the descriptor as retired.
fd_set_t::iterator it;
- for (it = fds.begin (); it != fds.end (); it ++)
+ for (it = fds.begin (); it != fds.end (); ++it)
if (it->fd == handle_)
break;
zmq_assert (it != fds.end ());
@@ -107,13 +105,13 @@ void zmq::select_t::rm_fd (handle_t handle_)
// highest-numbered file descriptor.
if (handle_ == maxfd) {
maxfd = retired_fd;
- for (fd_set_t::iterator it = fds.begin (); it != fds.end (); it ++)
+ for (fd_set_t::iterator it = fds.begin (); it != fds.end (); ++it)
if (it->fd > maxfd)
maxfd = it->fd;
}
// Decrease the load metric of the thread.
- load.sub (1);
+ adjust_load (-1);
}
void zmq::select_t::set_pollin (handle_t handle_)
@@ -136,23 +134,6 @@ void zmq::select_t::reset_pollout (handle_t handle_)
FD_CLR (handle_, &source_set_out);
}
-void zmq::select_t::add_timer (i_poll_events *events_)
-{
- timers.push_back (events_);
-}
-
-void zmq::select_t::cancel_timer (i_poll_events *events_)
-{
- timers_t::iterator it = std::find (timers.begin (), timers.end (), events_);
- if (it != timers.end ())
- timers.erase (it);
-}
-
-int zmq::select_t::get_load ()
-{
- return load.get ();
-}
-
void zmq::select_t::start ()
{
worker.start (worker_routine, this);
@@ -167,19 +148,19 @@ void zmq::select_t::loop ()
{
while (!stopping) {
+ // Execute any due timers.
+ int timeout = (int) execute_timers ();
+
// Intialise the pollsets.
memcpy (&readfds, &source_set_in, sizeof source_set_in);
memcpy (&writefds, &source_set_out, sizeof source_set_out);
memcpy (&exceptfds, &source_set_err, sizeof source_set_err);
- // Compute the timout interval. Select is free to overwrite the
- // value so we have to compute it each time anew.
- timeval timeout = {max_timer_period / 1000,
- (max_timer_period % 1000) * 1000};
-
// Wait for events.
+ struct timeval tv = {(long) (timeout / 1000),
+ (long) (timeout % 1000 * 1000)};
int rc = select (maxfd + 1, &readfds, &writefds, &exceptfds,
- timers.empty () ? NULL : &timeout);
+ timeout ? &tv : NULL);
#ifdef ZMQ_HAVE_WINDOWS
wsa_assert (rc != SOCKET_ERROR);
@@ -189,20 +170,10 @@ void zmq::select_t::loop ()
errno_assert (rc != -1);
#endif
- // Handle timer.
- if (!rc) {
-
- // Use local list of timers as timer handlers may fill new timers
- // into the original array.
- timers_t t;
- std::swap (timers, t);
-
- // Trigger all the timers.
- for (timers_t::iterator it = t.begin (); it != t.end (); it ++)
- (*it)->timer_event ();
-
+ // If there are no events (i.e. it's a timeout) there's no point
+ // in checking the pollset.
+ if (rc == 0)
continue;
- }
for (fd_set_t::size_type i = 0; i < fds.size (); i ++) {
if (fds [i].fd == retired_fd)
@@ -221,15 +192,8 @@ void zmq::select_t::loop ()
// Destroy retired event sources.
if (retired) {
- fd_set_t::iterator it = fds.begin();
- while (it != fds.end()) {
- if (it->fd == retired_fd) {
- it = fds.erase(it);
- }
- else {
- it++;
- }
- }
+ fds.erase (std::remove_if (fds.begin (), fds.end (),
+ zmq::select_t::is_retired_fd), fds.end ());
retired = false;
}
}
@@ -239,3 +203,9 @@ void zmq::select_t::worker_routine (void *arg_)
{
((select_t*) arg_)->loop ();
}
+
+bool zmq::select_t::is_retired_fd (const fd_entry_t &entry)
+{
+ return (entry.fd == retired_fd);
+}
+
diff --git a/src/select.hpp b/src/select.hpp
index 01e9fa8..c88dd71 100644
--- a/src/select.hpp
+++ b/src/select.hpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -36,7 +37,7 @@
#include "fd.hpp"
#include "thread.hpp"
-#include "atomic_counter.hpp"
+#include "poller_base.hpp"
namespace zmq
{
@@ -44,7 +45,7 @@ namespace zmq
// Implements socket polling mechanism using POSIX.1-2001 select()
// function.
- class select_t
+ class select_t : public poller_base_t
{
public:
@@ -60,9 +61,6 @@ namespace zmq
void reset_pollin (handle_t handle_);
void set_pollout (handle_t handle_);
void reset_pollout (handle_t handle_);
- void add_timer (struct i_poll_events *events_);
- void cancel_timer (struct i_poll_events *events_);
- int get_load ();
void start ();
void stop ();
@@ -80,6 +78,9 @@ namespace zmq
struct i_poll_events *events;
};
+ // Checks if an fd_entry_t is retired.
+ static bool is_retired_fd (const fd_entry_t &entry);
+
// Set of file descriptors that are used to retreive
// information for fd_set.
typedef std::vector <fd_entry_t> fd_set_t;
@@ -99,22 +100,14 @@ namespace zmq
// If true, at least one file descriptor has retired.
bool retired;
- // List of all the engines waiting for the timer event.
- typedef std::vector <struct i_poll_events*> timers_t;
- timers_t timers;
-
// If true, thread is shutting down.
bool stopping;
// Handle of the physical thread doing the I/O work.
thread_t worker;
- // Load of the poller. Currently number of file descriptors
- // registered with the poller.
- atomic_counter_t load;
-
select_t (const select_t&);
- void operator = (const select_t&);
+ const select_t &operator = (const select_t&);
};
}
diff --git a/src/semaphore.hpp b/src/semaphore.hpp
new file mode 100644
index 0000000..edc0683
--- /dev/null
+++ b/src/semaphore.hpp
@@ -0,0 +1,189 @@
+/*
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+
+ This file is part of 0MQ.
+
+ 0MQ is free software; you can redistribute it and/or modify it under
+ the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ 0MQ is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __ZMQ_SEMAPHORE_HPP_INCLUDED__
+#define __ZMQ_SEMAPHORE_HPP_INCLUDED__
+
+#include "platform.hpp"
+#include "err.hpp"
+
+#if defined ZMQ_HAVE_WINDOWS
+#include "windows.hpp"
+#elif defined ZMQ_HAVE_OPENVMS
+#include <pthread.h>
+#else
+#include <semaphore.h>
+#endif
+
+namespace zmq
+{
+ // Simple semaphore. Only single thread may be waiting at any given time.
+ // Also, the semaphore may not be posted before the previous post
+ // was matched by corresponding wait and the waiting thread was
+ // released.
+
+#if defined ZMQ_HAVE_WINDOWS
+
+ // On Windows platform simple semaphore is implemeted using event object.
+
+ class semaphore_t
+ {
+ public:
+
+ // Initialise the semaphore.
+ inline semaphore_t ()
+ {
+ ev = CreateEvent (NULL, FALSE, FALSE, NULL);
+ win_assert (ev != NULL);
+ }
+
+ // Destroy the semaphore.
+ inline ~semaphore_t ()
+ {
+ int rc = CloseHandle (ev);
+ win_assert (rc != 0);
+ }
+
+ // Wait for the semaphore.
+ inline void wait ()
+ {
+ DWORD rc = WaitForSingleObject (ev, INFINITE);
+ win_assert (rc != WAIT_FAILED);
+ }
+
+ // Post the semaphore.
+ inline void post ()
+ {
+ int rc = SetEvent (ev);
+ win_assert (rc != 0);
+ }
+
+ private:
+
+ HANDLE ev;
+
+ semaphore_t (const semaphore_t&);
+ const semaphore_t &operator = (const semaphore_t&);
+ };
+
+#elif defined ZMQ_HAVE_LINUX || defined ZMQ_HAVE_OSX || defined ZMQ_HAVE_OPENVMS
+
+ // On platforms that allow for double locking of a mutex from the same
+ // thread, simple semaphore is implemented using mutex, as it is more
+ // efficient than full-blown semaphore.
+
+ // Note that OS-level semaphore is not implemented on OSX, so the below
+ // code is not only optimisation, it's necessary to make 0MQ work on OSX.
+
+ class semaphore_t
+ {
+ public:
+
+ // Initialise the semaphore.
+ inline semaphore_t ()
+ {
+ int rc = pthread_mutex_init (&mutex, NULL);
+ posix_assert (rc);
+ rc = pthread_mutex_lock (&mutex);
+ posix_assert (rc);
+ }
+
+ // Destroy the semaphore.
+ inline ~semaphore_t ()
+ {
+ int rc = pthread_mutex_unlock (&mutex);
+ posix_assert (rc);
+ rc = pthread_mutex_destroy (&mutex);
+ posix_assert (rc);
+ }
+
+ // Wait for the semaphore.
+ inline void wait ()
+ {
+ int rc = pthread_mutex_lock (&mutex);
+ posix_assert (rc);
+ }
+
+ // Post the semaphore.
+ inline void post ()
+ {
+ int rc = pthread_mutex_unlock (&mutex);
+ posix_assert (rc);
+ }
+
+ private:
+
+ pthread_mutex_t mutex;
+
+ semaphore_t (const semaphore_t&);
+ const semaphore_t &operator = (const semaphore_t&);
+ };
+
+#else
+
+ // Default implementation maps simple semaphore to POSIX semaphore.
+
+ class semaphore_t
+ {
+ public:
+
+ // Initialise the semaphore.
+ inline semaphore_t ()
+ {
+ int rc = sem_init (&sem, 0, 0);
+ errno_assert (rc != -1);
+ }
+
+ // Destroy the semaphore.
+ inline ~semaphore_t ()
+ {
+ int rc = sem_destroy (&sem);
+ errno_assert (rc != -1);
+ }
+
+ // Wait for the semaphore.
+ inline void wait ()
+ {
+ int rc = sem_wait (&sem);
+ errno_assert (rc != -1);
+ }
+
+ // Post the semaphore.
+ inline void post ()
+ {
+ int rc = sem_post (&sem);
+ errno_assert (rc != -1);
+ }
+
+ private:
+
+ // Underlying system semaphore object.
+ sem_t sem;
+
+ semaphore_t (const semaphore_t&);
+ const semaphore_t &operator = (const semaphore_t&);
+ };
+
+#endif
+
+}
+
+#endif
+
diff --git a/src/session.cpp b/src/session.cpp
index f798877..33c25d9 100644
--- a/src/session.cpp
+++ b/src/session.cpp
@@ -1,77 +1,88 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#include <new>
-
#include "session.hpp"
+#include "socket_base.hpp"
#include "i_engine.hpp"
#include "err.hpp"
#include "pipe.hpp"
+#include "likely.hpp"
-zmq::session_t::session_t (object_t *parent_, socket_base_t *owner_,
- const options_t &options_) :
- owned_t (parent_, owner_),
+zmq::session_t::session_t (class io_thread_t *io_thread_,
+ class socket_base_t *socket_, const options_t &options_) :
+ own_t (io_thread_, options_),
+ io_object_t (io_thread_),
in_pipe (NULL),
incomplete_in (false),
- active (true),
out_pipe (NULL),
engine (NULL),
- options (options_)
+ socket (socket_),
+ io_thread (io_thread_),
+ pipes_attached (false),
+ delimiter_processed (false),
+ force_terminate (false),
+ has_linger_timer (false),
+ state (active)
{
- // It's possible to register the session at this point as it will be
- // searched for only on reconnect, i.e. no race condition (session found
- // before it is plugged into it's I/O thread) is possible.
- ordinal = owner->register_session (this);
}
-zmq::session_t::session_t (object_t *parent_, socket_base_t *owner_,
- const options_t &options_, const blob_t &peer_identity_) :
- owned_t (parent_, owner_),
- in_pipe (NULL),
- incomplete_in (false),
- active (true),
- out_pipe (NULL),
- engine (NULL),
- ordinal (0),
- peer_identity (peer_identity_),
- options (options_)
+zmq::session_t::~session_t ()
{
- if (!peer_identity.empty () && peer_identity [0] != 0) {
- if (!owner->register_session (peer_identity, this)) {
+ zmq_assert (!in_pipe);
+ zmq_assert (!out_pipe);
- // TODO: There's already a session with the specified
- // identity. We should presumably syslog it and drop the
- // session.
- zmq_assert (false);
- }
- }
+ if (engine)
+ engine->terminate ();
}
-zmq::session_t::~session_t ()
+void zmq::session_t::proceed_with_term ()
{
- zmq_assert (!in_pipe);
- zmq_assert (!out_pipe);
+ if (state == terminating)
+ return;
+
+ zmq_assert (state == pending);
+ state = terminating;
+
+ // If there's still a pending linger timer, remove it.
+ if (has_linger_timer) {
+ cancel_timer (linger_timer_id);
+ has_linger_timer = false;
+ }
+
+ if (in_pipe) {
+ register_term_acks (1);
+ in_pipe->terminate ();
+ }
+ if (out_pipe) {
+ register_term_acks (1);
+ out_pipe->terminate ();
+ }
+
+ // The session has already waited for the linger period. We don't want
+ // the child objects to linger any more thus linger is set to zero.
+ own_t::process_term (0);
}
bool zmq::session_t::read (::zmq_msg_t *msg_)
{
- if (!in_pipe || !active)
+ if (!in_pipe)
return false;
if (!in_pipe->read (msg_))
@@ -97,17 +108,8 @@ void zmq::session_t::flush ()
out_pipe->flush ();
}
-void zmq::session_t::detach (owned_t *reconnecter_)
+void zmq::session_t::clean_pipes ()
{
- // Plug in the reconnecter object if any.
- if (reconnecter_) {
- send_plug (reconnecter_);
- send_own (owner, reconnecter_);
- }
-
- // Engine is terminating itself. No need to deallocate it from here.
- engine = NULL;
-
// Get rid of half-processed messages in the out pipe. Flush any
// unflushed messages upstream.
if (out_pipe) {
@@ -127,165 +129,219 @@ void zmq::session_t::detach (owned_t *reconnecter_)
zmq_msg_close (&msg);
}
}
-
- // Terminate transient session.
- if (!ordinal && (peer_identity.empty () || peer_identity [0] == 0))
- term ();
-}
-
-zmq::io_thread_t *zmq::session_t::get_io_thread ()
-{
- return choose_io_thread (options.affinity);
-}
-
-class zmq::socket_base_t *zmq::session_t::get_owner ()
-{
- return owner;
-}
-
-uint64_t zmq::session_t::get_ordinal ()
-{
- zmq_assert (ordinal);
- return ordinal;
}
void zmq::session_t::attach_pipes (class reader_t *inpipe_,
class writer_t *outpipe_, const blob_t &peer_identity_)
{
+ zmq_assert (!pipes_attached);
+ pipes_attached = true;
+
if (inpipe_) {
zmq_assert (!in_pipe);
in_pipe = inpipe_;
- active = true;
- in_pipe->set_endpoint (this);
+ in_pipe->set_event_sink (this);
}
if (outpipe_) {
zmq_assert (!out_pipe);
out_pipe = outpipe_;
- out_pipe->set_endpoint (this);
+ out_pipe->set_event_sink (this);
+ }
+
+ // If we are already terminating, terminate the pipes straight away.
+ if (state == terminating) {
+ if (in_pipe) {
+ in_pipe->terminate ();
+ register_term_acks (1);
+ }
+ if (out_pipe) {
+ out_pipe->terminate ();
+ register_term_acks (1);
+ }
}
}
-void zmq::session_t::detach_inpipe (reader_t *pipe_)
+void zmq::session_t::delimited (reader_t *pipe_)
{
- active = false;
- in_pipe = NULL;
+ zmq_assert (in_pipe == pipe_);
+ zmq_assert (!delimiter_processed);
+ delimiter_processed = true;
+
+ // If we are in process of being closed, but still waiting for all
+ // pending messeges being sent, we can terminate here.
+ if (state == pending)
+ proceed_with_term ();
}
-void zmq::session_t::detach_outpipe (writer_t *pipe_)
+void zmq::session_t::terminated (reader_t *pipe_)
{
- out_pipe = NULL;
+ zmq_assert (in_pipe == pipe_);
+ in_pipe = NULL;
+ if (state == terminating)
+ unregister_term_ack ();
}
-void zmq::session_t::kill (reader_t *pipe_)
+void zmq::session_t::terminated (writer_t *pipe_)
{
- active = false;
+ zmq_assert (out_pipe == pipe_);
+ out_pipe = NULL;
+ if (state == terminating)
+ unregister_term_ack ();
}
-void zmq::session_t::revive (reader_t *pipe_)
+void zmq::session_t::activated (reader_t *pipe_)
{
zmq_assert (in_pipe == pipe_);
- active = true;
- if (engine)
- engine->revive ();
+
+ if (likely (engine != NULL))
+ engine->activate_out ();
+ else
+ in_pipe->check_read ();
}
-void zmq::session_t::revive (writer_t *pipe_)
+void zmq::session_t::activated (writer_t *pipe_)
{
zmq_assert (out_pipe == pipe_);
if (engine)
- engine->resume_input ();
+ engine->activate_in ();
}
void zmq::session_t::process_plug ()
{
}
-void zmq::session_t::process_unplug ()
+void zmq::session_t::process_attach (i_engine *engine_,
+ const blob_t &peer_identity_)
{
- // Unregister the session from the socket.
- if (ordinal)
- owner->unregister_session (ordinal);
- else if (!peer_identity.empty () && peer_identity [0] != 0)
- owner->unregister_session (peer_identity);
-
- // Ask associated pipes to terminate.
- if (in_pipe) {
- in_pipe->term ();
- in_pipe = NULL;
+ // If some other object (e.g. init) notifies us that the connection failed
+ // we need to start the reconnection process.
+ if (!engine_) {
+ zmq_assert (!engine);
+ detached ();
+ return;
}
- if (out_pipe) {
- out_pipe->term ();
- out_pipe = NULL;
+
+ // If we are already terminating, we destroy the engine straight away.
+ // Note that we don't have to unplug it before deleting as it's not
+ // yet plugged to the session.
+ if (state == terminating) {
+ delete engine_;
+ return;
}
+ // If the session already has an engine attached, destroy new one.
+ // Note new engine is not plugged in yet, we don't have to unplug it.
if (engine) {
- engine->unplug ();
- delete engine;
- engine = NULL;
+ log ("DPID: duplicate peer identity - disconnecting peer");
+ delete engine_;
+ return;
+ }
+
+ // Check whether the required pipes already exist. If not so, we'll
+ // create them and bind them to the socket object.
+ if (!pipes_attached) {
+ zmq_assert (!in_pipe && !out_pipe);
+ pipes_attached = true;
+ reader_t *socket_reader = NULL;
+ writer_t *socket_writer = NULL;
+
+ // Create the pipes, as required.
+ if (options.requires_in) {
+ create_pipe (socket, this, options.hwm, options.swap, &socket_reader,
+ &out_pipe);
+ out_pipe->set_event_sink (this);
+ }
+ if (options.requires_out) {
+ create_pipe (this, socket, options.hwm, options.swap, &in_pipe,
+ &socket_writer);
+ in_pipe->set_event_sink (this);
+ }
+
+ // Bind the pipes to the socket object.
+ if (socket_reader || socket_writer)
+ send_bind (socket, socket_reader, socket_writer, peer_identity_);
}
+
+ // Plug in the engine.
+ engine = engine_;
+ engine->plug (io_thread, this);
+
+ // Trigger the notfication about the attachment.
+ attached (peer_identity_);
}
-void zmq::session_t::process_attach (i_engine *engine_,
- const blob_t &peer_identity_)
+void zmq::session_t::detach ()
{
- if (!peer_identity.empty ()) {
-
- // If both IDs are temporary, no checking is needed.
- // TODO: Old ID should be reused in this case...
- if (peer_identity.empty () || peer_identity [0] != 0 ||
- peer_identity_.empty () || peer_identity_ [0] != 0) {
+ // Engine is dead. Let's forget about it.
+ engine = NULL;
- // If we already know the peer name do nothing, just check whether
- // it haven't changed.
- zmq_assert (peer_identity == peer_identity_);
- }
- }
- else if (!peer_identity_.empty ()) {
+ // Remove any half-done messages from the pipes.
+ clean_pipes ();
- // Store the peer identity.
- peer_identity = peer_identity_;
+ // Send the event to the derived class.
+ detached ();
- // If the session is not registered with the ordinal, let's register
- // it using the peer name.
- if (!ordinal) {
- if (!owner->register_session (peer_identity, this)) {
+ // Just in case, there's only a delimiter in the inbound pipe.
+ if (in_pipe)
+ in_pipe->check_read ();
+}
- // TODO: There's already a session with the specified
- // identity. We should presumably syslog it and drop the
- // session.
- zmq_assert (false);
- }
- }
+void zmq::session_t::process_term (int linger_)
+{
+ zmq_assert (state == active);
+ state = pending;
+
+ // If linger is set to zero, we can terminate the session straight away
+ // not waiting for the pending messages to be sent.
+ if (linger_ == 0) {
+ proceed_with_term ();
+ return;
}
- // Check whether the required pipes already exist. If not so, we'll
- // create them and bind them to the socket object.
- reader_t *socket_reader = NULL;
- writer_t *socket_writer = NULL;
-
- if (options.requires_in && !out_pipe) {
- pipe_t *pipe = new (std::nothrow) pipe_t (owner, this, options.hwm, options.swap);
- zmq_assert (pipe);
- out_pipe = &pipe->writer;
- out_pipe->set_endpoint (this);
- socket_reader = &pipe->reader;
+ // If there's finite linger value, set up a timer.
+ if (linger_ > 0) {
+ zmq_assert (!has_linger_timer);
+ add_timer (linger_, linger_timer_id);
+ has_linger_timer = true;
}
- if (options.requires_out && !in_pipe) {
- pipe_t *pipe = new (std::nothrow) pipe_t (this, owner, options.hwm, options.swap);
- zmq_assert (pipe);
- in_pipe = &pipe->reader;
- in_pipe->set_endpoint (this);
- socket_writer = &pipe->writer;
- }
+ // If there's no engine and there's only delimiter in the pipe it wouldn't
+ // be ever read. Thus we check for it explicitly.
+ if (in_pipe)
+ in_pipe->check_read ();
+
+ // If there's no in pipe there are no pending messages to send.
+ // We can proceed with the shutdown straight away. Also, if there is
+ // inbound pipe, but the delimiter was already processed, we can
+ // terminate immediately. Alternatively, if the derived session type have
+ // called 'terminate' we'll finish straight away.
+ if (!options.requires_out || delimiter_processed || force_terminate ||
+ (!options.immediate_connect && !in_pipe))
+ proceed_with_term ();
+}
- if (socket_reader || socket_writer)
- send_bind (owner, socket_reader, socket_writer, peer_identity);
+void zmq::session_t::timer_event (int id_)
+{
+ // Linger period expired. We can proceed with termination even though
+ // there are still pending messages to be sent.
+ zmq_assert (id_ == linger_timer_id);
+ has_linger_timer = false;
+ proceed_with_term ();
+}
- // Plug in the engine.
- zmq_assert (!engine);
- zmq_assert (engine_);
- engine = engine_;
- engine->plug (this);
+bool zmq::session_t::register_session (const blob_t &name_, session_t *session_)
+{
+ return socket->register_session (name_, session_);
+}
+
+void zmq::session_t::unregister_session (const blob_t &name_)
+{
+ socket->unregister_session (name_);
+}
+
+void zmq::session_t::terminate ()
+{
+ force_terminate = true;
+ own_t::terminate ();
}
diff --git a/src/session.hpp b/src/session.hpp
index 9bda1ad..499c074 100644
--- a/src/session.hpp
+++ b/src/session.hpp
@@ -1,73 +1,103 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __ZMQ_SESSION_HPP_INCLUDED__
#define __ZMQ_SESSION_HPP_INCLUDED__
+#include "own.hpp"
#include "i_inout.hpp"
-#include "i_endpoint.hpp"
-#include "owned.hpp"
-#include "options.hpp"
+#include "io_object.hpp"
#include "blob.hpp"
+#include "pipe.hpp"
namespace zmq
{
- class session_t : public owned_t, public i_inout, public i_endpoint
+ class session_t :
+ public own_t,
+ public io_object_t,
+ public i_inout,
+ public i_reader_events,
+ public i_writer_events
{
public:
- // Creates unnamed session.
- session_t (object_t *parent_, socket_base_t *owner_,
- const options_t &options_);
+ session_t (class io_thread_t *io_thread_,
+ class socket_base_t *socket_, const options_t &options_);
- // Creates named session.
- session_t (object_t *parent_, socket_base_t *owner_,
- const options_t &options_, const blob_t &peer_identity_);
-
- // i_inout interface implementation.
+ // i_inout interface implementation. Note that detach method is not
+ // implemented by generic session. Different session types may handle
+ // engine disconnection in different ways.
bool read (::zmq_msg_t *msg_);
bool write (::zmq_msg_t *msg_);
void flush ();
- void detach (owned_t *reconnecter_);
- class io_thread_t *get_io_thread ();
- class socket_base_t *get_owner ();
- uint64_t get_ordinal ();
+ void detach ();
- // i_endpoint interface implementation.
void attach_pipes (class reader_t *inpipe_, class writer_t *outpipe_,
const blob_t &peer_identity_);
- void detach_inpipe (class reader_t *pipe_);
- void detach_outpipe (class writer_t *pipe_);
- void kill (class reader_t *pipe_);
- void revive (class reader_t *pipe_);
- void revive (class writer_t *pipe_);
- private:
+ // i_reader_events interface implementation.
+ void activated (class reader_t *pipe_);
+ void terminated (class reader_t *pipe_);
+ void delimited (class reader_t *pipe_);
+
+ // i_writer_events interface implementation.
+ void activated (class writer_t *pipe_);
+ void terminated (class writer_t *pipe_);
+
+ protected:
+
+ // This function allows to shut down the session even though
+ // there are pending messages in the inbound pipe.
+ void terminate ();
+
+ // Two events for the derived session type. Attached is triggered
+ // when session is attached to a peer, detached is triggered at the
+ // beginning of the termination process when session is about to
+ // be detached from the peer.
+ virtual void attached (const blob_t &peer_identity_) = 0;
+ virtual void detached () = 0;
+
+ // Allows derives session types to (un)register session names.
+ bool register_session (const blob_t &name_, class session_t *session_);
+ void unregister_session (const blob_t &name_);
~session_t ();
+ private:
+
// Handlers for incoming commands.
void process_plug ();
- void process_unplug ();
void process_attach (struct i_engine *engine_,
const blob_t &peer_identity_);
+ void process_term (int linger_);
+
+ // i_poll_events handlers.
+ void timer_event (int id_);
+
+ // Remove any half processed messages. Flush unflushed messages.
+ // Call this function when engine disconnect to get rid of leftovers.
+ void clean_pipes ();
+
+ // Call this function to move on with the delayed process_term.
+ void proceed_with_term ();
// Inbound pipe, i.e. one the session is getting messages from.
class reader_t *in_pipe;
@@ -76,27 +106,43 @@ namespace zmq
// is still in the in pipe.
bool incomplete_in;
- // If true, in_pipe is active. Otherwise there are no messages to get.
- bool active;
-
// Outbound pipe, i.e. one the socket is sending messages to.
class writer_t *out_pipe;
+ // The protocol I/O engine connected to the session.
struct i_engine *engine;
- // Session is identified by ordinal in the case when it was created
- // before connection to the peer was established and thus we are
- // unaware of peer's identity.
- uint64_t ordinal;
+ // The socket the session belongs to.
+ class socket_base_t *socket;
+
+ // I/O thread the session is living in. It will be used to plug in
+ // the engines into the same thread.
+ class io_thread_t *io_thread;
+
+ // If true, pipes were already attached to this session.
+ bool pipes_attached;
+
+ // If true, delimiter was already read from the inbound pipe.
+ bool delimiter_processed;
+
+ // If true, we should terminate the session even though there are
+ // pending messages in the inbound pipe.
+ bool force_terminate;
+
+ // ID of the linger timer
+ enum {linger_timer_id = 0x20};
- // Identity of the peer.
- blob_t peer_identity;
+ // True is linger timer is running.
+ bool has_linger_timer;
- // Inherited socket options.
- options_t options;
+ enum {
+ active,
+ pending,
+ terminating
+ } state;
session_t (const session_t&);
- void operator = (const session_t&);
+ const session_t &operator = (const session_t&);
};
}
diff --git a/src/signaler.cpp b/src/signaler.cpp
deleted file mode 100644
index d4a9214..0000000
--- a/src/signaler.cpp
+++ /dev/null
@@ -1,351 +0,0 @@
-/*
- Copyright (c) 2007-2010 iMatix Corporation
-
- This file is part of 0MQ.
-
- 0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- 0MQ is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
-
- You should have received a copy of the Lesser GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include "signaler.hpp"
-#include "platform.hpp"
-#include "err.hpp"
-#include "fd.hpp"
-#include "ip.hpp"
-
-#if defined ZMQ_HAVE_OPENVMS
-#include <netinet/tcp.h>
-#include <unistd.h>
-#elif defined ZMQ_HAVE_WINDOWS
-#include "windows.hpp"
-#else
-#include <unistd.h>
-#include <fcntl.h>
-#include <limits.h>
-#endif
-
-zmq::fd_t zmq::signaler_t::get_fd ()
-{
- return r;
-}
-
-#if defined ZMQ_HAVE_WINDOWS
-
-zmq::signaler_t::signaler_t ()
-{
- // Windows have no 'socketpair' function. CreatePipe is no good as pipe
- // handles cannot be polled on. Here we create the socketpair by hand.
-
- struct sockaddr_in addr;
- SOCKET listener;
- int addrlen = sizeof (addr);
-
- w = INVALID_SOCKET;
- r = INVALID_SOCKET;
-
- fd_t rcs = (listener = socket (AF_INET, SOCK_STREAM, 0));
- wsa_assert (rcs != INVALID_SOCKET);
-
- memset (&addr, 0, sizeof (addr));
- addr.sin_family = AF_INET;
- addr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
- addr.sin_port = 0;
-
- int rc = bind (listener, (const struct sockaddr*) &addr, sizeof (addr));
- wsa_assert (rc != SOCKET_ERROR);
-
- rc = getsockname (listener, (struct sockaddr*) &addr, &addrlen);
- wsa_assert (rc != SOCKET_ERROR);
-
- // Listen for incomming connections.
- rc = listen (listener, 1);
- wsa_assert (rc != SOCKET_ERROR);
-
- // Create the socket.
- w = WSASocket (AF_INET, SOCK_STREAM, 0, NULL, 0, 0);
- wsa_assert (w != INVALID_SOCKET);
-
- // Connect to the remote peer.
- rc = connect (w, (sockaddr *) &addr, sizeof (addr));
- wsa_assert (rc != SOCKET_ERROR);
-
- // Accept connection from w.
- r = accept (listener, NULL, NULL);
- wsa_assert (r != INVALID_SOCKET);
-
- // Set the read site of the pair to non-blocking mode.
- unsigned long argp = 1;
- rc = ioctlsocket (r, FIONBIO, &argp);
- wsa_assert (rc != SOCKET_ERROR);
-
- // We don't need the listening socket anymore. Close it.
- rc = closesocket (listener);
- wsa_assert (rc != SOCKET_ERROR);
-}
-
-zmq::signaler_t::~signaler_t ()
-{
- int rc = closesocket (w);
- wsa_assert (rc != SOCKET_ERROR);
-
- rc = closesocket (r);
- wsa_assert (rc != SOCKET_ERROR);
-}
-
-void zmq::signaler_t::send (const command_t &cmd_)
-{
- // TODO: Note that send is a blocking operation.
- // How should we behave if the signal cannot be written to the signaler?
- // Even worse: What if half of a command is written?
- int rc = ::send (w, (char*) &cmd_, sizeof (command_t), 0);
- win_assert (rc != SOCKET_ERROR);
- zmq_assert (rc == sizeof (command_t));
-}
-
-bool zmq::signaler_t::recv (command_t *cmd_, bool block_)
-{
- if (block_) {
-
- // Switch to blocking mode.
- unsigned long argp = 0;
- int rc = ioctlsocket (r, FIONBIO, &argp);
- wsa_assert (rc != SOCKET_ERROR);
- }
-
- bool result;
- int nbytes = ::recv (r, (char*) cmd_, sizeof (command_t), 0);
- if (nbytes == -1 && WSAGetLastError () == WSAEWOULDBLOCK) {
- result = false;
- }
- else {
- wsa_assert (nbytes != -1);
-
- // Check whether we haven't got half of a signal.
- zmq_assert (nbytes % sizeof (uint32_t) == 0);
-
- result = true;
- }
-
- if (block_) {
-
- // Switch back to non-blocking mode.
- unsigned long argp = 1;
- int rc = ioctlsocket (r, FIONBIO, &argp);
- wsa_assert (rc != SOCKET_ERROR);
- }
-
- return result;
-}
-
-#elif defined ZMQ_HAVE_HPUX || defined ZMQ_HAVE_AIX
-
-#include <sys/types.h>
-#include <sys/socket.h>
-
-zmq::signaler_t::signaler_t ()
-{
- int sv [2];
- int rc = socketpair (AF_UNIX, SOCK_STREAM, 0, sv);
- errno_assert (rc == 0);
- w = sv [0];
- r = sv [1];
-
- // Set the reader to non-blocking mode.
- int flags = fcntl (r, F_GETFL, 0);
- if (flags == -1)
- flags = 0;
- rc = fcntl (r, F_SETFL, flags | O_NONBLOCK);
- errno_assert (rc != -1);
-}
-
-zmq::signaler_t::~signaler_t ()
-{
- close (w);
- close (r);
-}
-
-void zmq::signaler_t::send (const command_t &cmd_)
-{
- ssize_t nbytes;
- do {
- nbytes = ::send (w, &cmd_, sizeof (command_t), 0);
- } while (nbytes == -1 && errno == EINTR);
- errno_assert (nbytes != -1);
- zmq_assert (nbytes == sizeof (command_t));
-}
-
-bool zmq::signaler_t::recv (command_t *cmd_, bool block_)
-{
- if (block_) {
-
- // Set the reader to blocking mode.
- int flags = fcntl (r, F_GETFL, 0);
- if (flags == -1)
- flags = 0;
- int rc = fcntl (r, F_SETFL, flags & ~O_NONBLOCK);
- errno_assert (rc != -1);
- }
-
- bool result;
- ssize_t nbytes;
- do {
- nbytes = ::recv (r, (char*) cmd_, sizeof (command_t), 0);
- } while (nbytes == -1 && errno == EINTR);
- if (nbytes == -1 && errno == EAGAIN) {
- result = false;
- }
- else {
- zmq_assert (nbytes != -1);
-
- // Check whether we haven't got half of command.
- zmq_assert (nbytes == sizeof (command_t));
-
- result = true;
- }
-
- if (block_) {
-
- // Set the reader to non-blocking mode.
- int flags = fcntl (r, F_GETFL, 0);
- if (flags == -1)
- flags = 0;
- int rc = fcntl (r, F_SETFL, flags | O_NONBLOCK);
- errno_assert (rc != -1);
- }
-
- return result;
-}
-
-#else
-
-#include <sys/types.h>
-#include <sys/socket.h>
-
-zmq::signaler_t::signaler_t ()
-{
- // Make sure that command can be written to the socket in atomic fashion.
- // If this wasn't guaranteed, commands from different threads would be
- // interleaved.
- zmq_assert (sizeof (command_t) <= PIPE_BUF);
-
- int sv [2];
- int rc = socketpair (AF_UNIX, SOCK_STREAM, 0, sv);
- errno_assert (rc == 0);
- w = sv [0];
- r = sv [1];
-}
-
-zmq::signaler_t::~signaler_t ()
-{
- close (w);
- close (r);
-}
-
-void zmq::signaler_t::send (const command_t &cmd_)
-{
- // TODO: Note that send is a blocking operation.
- // How should we behave if the command cannot be written to the signaler?
- ssize_t nbytes;
- do {
- nbytes = ::send (w, &cmd_, sizeof (command_t), 0);
- } while (nbytes == -1 && errno == EINTR);
- errno_assert (nbytes != -1);
-
- // This should never happen as we've already checked that command size is
- // less than PIPE_BUF.
- zmq_assert (nbytes == sizeof (command_t));
-}
-
-bool zmq::signaler_t::recv (command_t *cmd_, bool block_)
-{
- ssize_t nbytes;
- do {
- nbytes = ::recv (r, cmd_, sizeof (command_t),
- block_ ? 0 : MSG_DONTWAIT);
- } while (nbytes == -1 && errno == EINTR);
-
- // If there's no signal available return false.
- if (nbytes == -1 && errno == EAGAIN)
- return false;
-
- errno_assert (nbytes != -1);
-
- // Check whether we haven't got half of command.
- zmq_assert (nbytes == sizeof (command_t));
-
- return true;
-}
-
-#endif
-
-#if defined ZMQ_HAVE_OPENVMS
-
-int zmq::signaler_t::socketpair (int domain_, int type_, int protocol_,
- int sv_ [2])
-{
- int listener;
- sockaddr_in lcladdr;
- socklen_t lcladdr_len;
- int rc;
- int on = 1;
-
- zmq_assert (type_ == SOCK_STREAM);
-
- // Fill in the localhost address (127.0.0.1).
- memset (&lcladdr, 0, sizeof (lcladdr));
- lcladdr.sin_family = AF_INET;
- lcladdr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
- lcladdr.sin_port = 0;
-
- listener = socket (AF_INET, SOCK_STREAM, 0);
- errno_assert (listener != -1);
-
- rc = setsockopt (listener, IPPROTO_TCP, TCP_NODELAY, &on, sizeof (on));
- errno_assert (rc != -1);
-
- rc = setsockopt (listener, IPPROTO_TCP, TCP_NODELACK, &on, sizeof (on));
- errno_assert (rc != -1);
-
- rc = bind(listener, (struct sockaddr*) &lcladdr, sizeof (lcladdr));
- errno_assert (rc != -1);
-
- lcladdr_len = sizeof (lcladdr);
-
- rc = getsockname (listener, (struct sockaddr*) &lcladdr, &lcladdr_len);
- errno_assert (rc != -1);
-
- rc = listen (listener, 1);
- errno_assert (rc != -1);
-
- sv_ [0] = socket (AF_INET, SOCK_STREAM, 0);
- errno_assert (rc != -1);
-
- rc = setsockopt (sv_ [0], IPPROTO_TCP, TCP_NODELAY, &on, sizeof (on));
- errno_assert (rc != -1);
-
- rc = setsockopt (sv_ [0], IPPROTO_TCP, TCP_NODELACK, &on, sizeof (on));
- errno_assert (rc != -1);
-
- rc = connect (sv_ [0], (struct sockaddr*) &lcladdr, sizeof (lcladdr));
- errno_assert (rc != -1);
-
- sv_ [1] = accept (listener, NULL, NULL);
- errno_assert (sv_ [1] != -1);
-
- close (listener);
-
- return 0;
-}
-
-#endif
-
diff --git a/src/signaler.hpp b/src/signaler.hpp
deleted file mode 100644
index 64a1899..0000000
--- a/src/signaler.hpp
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
- Copyright (c) 2007-2010 iMatix Corporation
-
- This file is part of 0MQ.
-
- 0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- 0MQ is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
-
- You should have received a copy of the Lesser GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#ifndef __ZMQ_SIGNALER_HPP_INCLUDED__
-#define __ZMQ_SIGNALER_HPP_INCLUDED__
-
-#include <stddef.h>
-
-#include "platform.hpp"
-#include "fd.hpp"
-#include "stdint.hpp"
-#include "config.hpp"
-#include "command.hpp"
-
-namespace zmq
-{
-
- class signaler_t
- {
- public:
-
- signaler_t ();
- ~signaler_t ();
-
- fd_t get_fd ();
- void send (const command_t &cmd_);
- bool recv (command_t *cmd_, bool block_);
-
- private:
-
-#if defined ZMQ_HAVE_OPENVMS
-
- // Whilst OpenVMS supports socketpair - it maps to AF_INET only.
- // Further, it does not set the socket options TCP_NODELAY and
- // TCP_NODELACK which can lead to performance problems. We'll
- // overload the socketpair function for this class.
- //
- // The bug will be fixed in V5.6 ECO4 and beyond. In the
- // meantime, we'll create the socket pair manually.
- static int socketpair (int domain_, int type_, int protocol_,
- int sv_ [2]);
-#endif
-
- // Write & read end of the socketpair.
- fd_t w;
- fd_t r;
-
- // Disable copying of fd_signeler object.
- signaler_t (const signaler_t&);
- void operator = (const signaler_t&);
- };
-
-}
-
-#endif
diff --git a/src/socket_base.cpp b/src/socket_base.cpp
index c933954..4cefb6f 100644
--- a/src/socket_base.cpp
+++ b/src/socket_base.cpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -23,45 +24,203 @@
#include "../include/zmq.h"
-#include "socket_base.hpp"
-#include "app_thread.hpp"
+#include "platform.hpp"
+
+#if defined ZMQ_HAVE_WINDOWS
+#include "windows.hpp"
+#if defined _MSC_VER
+#include <intrin.h>
+#endif
+#else
+#include <unistd.h>
+#endif
+#include "socket_base.hpp"
#include "zmq_listener.hpp"
#include "zmq_connecter.hpp"
#include "io_thread.hpp"
-#include "session.hpp"
+#include "connect_session.hpp"
#include "config.hpp"
-#include "owned.hpp"
+#include "clock.hpp"
#include "pipe.hpp"
#include "err.hpp"
#include "ctx.hpp"
#include "platform.hpp"
-#include "pgm_sender.hpp"
-#include "pgm_receiver.hpp"
#include "likely.hpp"
#include "uuid.hpp"
-zmq::socket_base_t::socket_base_t (app_thread_t *parent_) :
- object_t (parent_),
- pending_term_acks (0),
+#include "pair.hpp"
+#include "pub.hpp"
+#include "sub.hpp"
+#include "req.hpp"
+#include "rep.hpp"
+#include "pull.hpp"
+#include "push.hpp"
+#include "xreq.hpp"
+#include "xrep.hpp"
+#include "xpub.hpp"
+#include "xsub.hpp"
+
+zmq::socket_base_t *zmq::socket_base_t::create (int type_, class ctx_t *parent_,
+ uint32_t tid_)
+{
+ socket_base_t *s = NULL;
+ switch (type_) {
+
+ case ZMQ_PAIR:
+ s = new (std::nothrow) pair_t (parent_, tid_);
+ break;
+ case ZMQ_PUB:
+ s = new (std::nothrow) pub_t (parent_, tid_);
+ break;
+ case ZMQ_SUB:
+ s = new (std::nothrow) sub_t (parent_, tid_);
+ break;
+ case ZMQ_REQ:
+ s = new (std::nothrow) req_t (parent_, tid_);
+ break;
+ case ZMQ_REP:
+ s = new (std::nothrow) rep_t (parent_, tid_);
+ break;
+ case ZMQ_XREQ:
+ s = new (std::nothrow) xreq_t (parent_, tid_);
+ break;
+ case ZMQ_XREP:
+ s = new (std::nothrow) xrep_t (parent_, tid_);
+ break;
+ case ZMQ_PULL:
+ s = new (std::nothrow) pull_t (parent_, tid_);
+ break;
+ case ZMQ_PUSH:
+ s = new (std::nothrow) push_t (parent_, tid_);
+ break;
+ case ZMQ_XPUB:
+ s = new (std::nothrow) xpub_t (parent_, tid_);
+ break;
+ case ZMQ_XSUB:
+ s = new (std::nothrow) xsub_t (parent_, tid_);
+ break;
+ default:
+ errno = EINVAL;
+ return NULL;
+ }
+ alloc_assert (s);
+ return s;
+}
+
+zmq::socket_base_t::socket_base_t (ctx_t *parent_, uint32_t tid_) :
+ own_t (parent_, tid_),
+ ctx_terminated (false),
+ destroyed (false),
+ last_tsc (0),
ticks (0),
- rcvmore (false),
- app_thread (parent_),
- shutting_down (false),
- sent_seqnum (0),
- processed_seqnum (0),
- next_ordinal (1)
+ rcvmore (false)
{
}
zmq::socket_base_t::~socket_base_t ()
{
+ zmq_assert (destroyed);
+
+ // Check whether there are no session leaks.
+ sessions_sync.lock ();
+ zmq_assert (sessions.empty ());
+ sessions_sync.unlock ();
+}
+
+zmq::mailbox_t *zmq::socket_base_t::get_mailbox ()
+{
+ return &mailbox;
+}
+
+void zmq::socket_base_t::stop ()
+{
+ // Called by ctx when it is terminated (zmq_term).
+ // 'stop' command is sent from the threads that called zmq_term to
+ // the thread owning the socket. This way, blocking call in the
+ // owner thread can be interrupted.
+ send_stop ();
+}
+
+int zmq::socket_base_t::parse_uri (const char *uri_,
+ std::string &protocol_, std::string &address_)
+{
+ zmq_assert (uri_ != NULL);
+
+ std::string uri (uri_);
+ std::string::size_type pos = uri.find ("://");
+ if (pos == std::string::npos) {
+ errno = EINVAL;
+ return -1;
+ }
+ protocol_ = uri.substr (0, pos);
+ address_ = uri.substr (pos + 3);
+ if (protocol_.empty () || address_.empty ()) {
+ errno = EINVAL;
+ return -1;
+ }
+ return 0;
+}
+
+int zmq::socket_base_t::check_protocol (const std::string &protocol_)
+{
+ // First check out whether the protcol is something we are aware of.
+ if (protocol_ != "inproc" && protocol_ != "ipc" && protocol_ != "tcp" &&
+ protocol_ != "pgm" && protocol_ != "epgm" && protocol_ != "sys") {
+ errno = EPROTONOSUPPORT;
+ return -1;
+ }
+
+ // If 0MQ is not compiled with OpenPGM, pgm and epgm transports
+ // are not avaialble.
+#if !defined ZMQ_HAVE_OPENPGM
+ if (protocol_ == "pgm" || protocol_ == "epgm") {
+ errno = EPROTONOSUPPORT;
+ return -1;
+ }
+#endif
+
+ // IPC transport is not available on Windows and OpenVMS.
+#if defined ZMQ_HAVE_WINDOWS || defined ZMQ_HAVE_OPENVMS
+ if (protocol_ == "ipc") {
+ // Unknown protocol.
+ errno = EPROTONOSUPPORT;
+ return -1;
+ }
+#endif
+
+ // Check whether socket type and transport protocol match.
+ // Specifically, multicast protocols can't be combined with
+ // bi-directional messaging patterns (socket types).
+ if ((protocol_ == "pgm" || protocol_ == "epgm") &&
+ options.type != ZMQ_PUB && options.type != ZMQ_SUB &&
+ options.type != ZMQ_XPUB && options.type != ZMQ_XSUB) {
+ errno = ENOCOMPATPROTO;
+ return -1;
+ }
+
+ // Protocol is available.
+ return 0;
+}
+
+void zmq::socket_base_t::attach_pipes (class reader_t *inpipe_,
+ class writer_t *outpipe_, const blob_t &peer_identity_)
+{
+ // If the peer haven't specified it's identity, let's generate one.
+ if (peer_identity_.size ()) {
+ xattach_pipes (inpipe_, outpipe_, peer_identity_);
+ }
+ else {
+ blob_t identity (1, 0);
+ identity.append (uuid_t ().to_blob (), uuid_t::uuid_blob_len);
+ xattach_pipes (inpipe_, outpipe_, identity);
+ }
}
int zmq::socket_base_t::setsockopt (int option_, const void *optval_,
size_t optvallen_)
{
- if (unlikely (app_thread->is_terminated ())) {
+ if (unlikely (ctx_terminated)) {
errno = ETERM;
return -1;
}
@@ -79,7 +238,7 @@ int zmq::socket_base_t::setsockopt (int option_, const void *optval_,
int zmq::socket_base_t::getsockopt (int option_, void *optval_,
size_t *optvallen_)
{
- if (unlikely (app_thread->is_terminated ())) {
+ if (unlikely (ctx_terminated)) {
errno = ETERM;
return -1;
}
@@ -94,271 +253,227 @@ int zmq::socket_base_t::getsockopt (int option_, void *optval_,
return 0;
}
+ if (option_ == ZMQ_FD) {
+ if (*optvallen_ < sizeof (fd_t)) {
+ errno = EINVAL;
+ return -1;
+ }
+ *((fd_t*) optval_) = mailbox.get_fd ();
+ *optvallen_ = sizeof (fd_t);
+ return 0;
+ }
+
+ if (option_ == ZMQ_EVENTS) {
+ if (*optvallen_ < sizeof (uint32_t)) {
+ errno = EINVAL;
+ return -1;
+ }
+ int rc = process_commands (false, false);
+ if (rc != 0 && (errno == EINTR || errno == ETERM))
+ return -1;
+ errno_assert (rc == 0);
+ *((uint32_t*) optval_) = 0;
+ if (has_out ())
+ *((uint32_t*) optval_) |= ZMQ_POLLOUT;
+ if (has_in ())
+ *((uint32_t*) optval_) |= ZMQ_POLLIN;
+ *optvallen_ = sizeof (uint32_t);
+ return 0;
+ }
+
return options.getsockopt (option_, optval_, optvallen_);
}
int zmq::socket_base_t::bind (const char *addr_)
{
- if (unlikely (app_thread->is_terminated ())) {
+ if (unlikely (ctx_terminated)) {
errno = ETERM;
return -1;
}
// Parse addr_ string.
- std::string addr_type;
- std::string addr_args;
-
- std::string addr (addr_);
- std::string::size_type pos = addr.find ("://");
-
- if (pos == std::string::npos) {
- errno = EINVAL;
+ std::string protocol;
+ std::string address;
+ int rc = parse_uri (addr_, protocol, address);
+ if (rc != 0)
return -1;
- }
- addr_type = addr.substr (0, pos);
- addr_args = addr.substr (pos + 3);
+ rc = check_protocol (protocol);
+ if (rc != 0)
+ return -1;
- if (addr_type == "inproc")
- return register_endpoint (addr_args.c_str (), this);
+ if (protocol == "inproc" || protocol == "sys") {
+ endpoint_t endpoint = {this, options};
+ return register_endpoint (addr_, endpoint);
+ }
- if (addr_type == "tcp" || addr_type == "ipc") {
+ if (protocol == "tcp" || protocol == "ipc") {
-#if defined ZMQ_HAVE_WINDOWS || defined ZMQ_HAVE_OPENVMS
- if (addr_type == "ipc") {
- errno = EPROTONOSUPPORT;
+ // Choose I/O thread to run the listerner in.
+ io_thread_t *io_thread = choose_io_thread (options.affinity);
+ if (!io_thread) {
+ errno = EMTHREAD;
return -1;
}
-#endif
+ // Create and run the listener.
zmq_listener_t *listener = new (std::nothrow) zmq_listener_t (
- choose_io_thread (options.affinity), this, options);
- zmq_assert (listener);
- int rc = listener->set_address (addr_type.c_str(), addr_args.c_str ());
+ io_thread, this, options);
+ alloc_assert (listener);
+ int rc = listener->set_address (protocol.c_str(), address.c_str ());
if (rc != 0) {
delete listener;
return -1;
}
+ launch_child (listener);
- send_plug (listener);
- send_own (this, listener);
return 0;
}
-#if defined ZMQ_HAVE_OPENPGM
- if (addr_type == "pgm" || addr_type == "epgm") {
- // In the case of PGM bind behaves the same like connect.
+ if (protocol == "pgm" || protocol == "epgm") {
+
+ // For convenience's sake, bind can be used interchageable with
+ // connect for PGM and EPGM transports.
return connect (addr_);
}
-#endif
- // Unknown protocol.
- errno = EPROTONOSUPPORT;
+ zmq_assert (false);
return -1;
}
int zmq::socket_base_t::connect (const char *addr_)
{
- if (unlikely (app_thread->is_terminated ())) {
+ if (unlikely (ctx_terminated)) {
errno = ETERM;
return -1;
}
// Parse addr_ string.
- std::string addr_type;
- std::string addr_args;
-
- std::string addr (addr_);
- std::string::size_type pos = addr.find ("://");
-
- if (pos == std::string::npos) {
- errno = EINVAL;
+ std::string protocol;
+ std::string address;
+ int rc = parse_uri (addr_, protocol, address);
+ if (rc != 0)
return -1;
- }
- addr_type = addr.substr (0, pos);
- addr_args = addr.substr (pos + 3);
+ rc = check_protocol (protocol);
+ if (rc != 0)
+ return -1;
- if (addr_type == "inproc") {
+ if (protocol == "inproc" || protocol == "sys") {
// TODO: inproc connect is specific with respect to creating pipes
// as there's no 'reconnect' functionality implemented. Once that
// is in place we should follow generic pipe creation algorithm.
- // Find the peer socket.
- socket_base_t *peer = find_endpoint (addr_args.c_str ());
- if (!peer)
+ // Find the peer endpoint.
+ endpoint_t peer = find_endpoint (addr_);
+ if (!peer.socket)
return -1;
- pipe_t *in_pipe = NULL;
- pipe_t *out_pipe = NULL;
+ reader_t *inpipe_reader = NULL;
+ writer_t *inpipe_writer = NULL;
+ reader_t *outpipe_reader = NULL;
+ writer_t *outpipe_writer = NULL;
+
+ // The total HWM for an inproc connection should be the sum of
+ // the binder's HWM and the connector's HWM. (Similarly for the
+ // SWAP.)
+ int64_t hwm;
+ if (options.hwm == 0 || peer.options.hwm == 0)
+ hwm = 0;
+ else
+ hwm = options.hwm + peer.options.hwm;
+ int64_t swap;
+ if (options.swap == 0 && peer.options.swap == 0)
+ swap = 0;
+ else
+ swap = options.swap + peer.options.swap;
// Create inbound pipe, if required.
- if (options.requires_in) {
- in_pipe = new (std::nothrow) pipe_t (this, peer, options.hwm, options.swap);
- zmq_assert (in_pipe);
- }
+ if (options.requires_in)
+ create_pipe (this, peer.socket, hwm, swap,
+ &inpipe_reader, &inpipe_writer);
// Create outbound pipe, if required.
- if (options.requires_out) {
- out_pipe = new (std::nothrow) pipe_t (peer, this, options.hwm, options.swap);
- zmq_assert (out_pipe);
- }
+ if (options.requires_out)
+ create_pipe (peer.socket, this, hwm, swap,
+ &outpipe_reader, &outpipe_writer);
// Attach the pipes to this socket object.
- attach_pipes (in_pipe ? &in_pipe->reader : NULL,
- out_pipe ? &out_pipe->writer : NULL, blob_t ());
+ attach_pipes (inpipe_reader, outpipe_writer, peer.options.identity);
// Attach the pipes to the peer socket. Note that peer's seqnum
- // was incremented in find_endpoint function. The callee is notified
- // about the fact via the last parameter.
- send_bind (peer, out_pipe ? &out_pipe->reader : NULL,
- in_pipe ? &in_pipe->writer : NULL, options.identity, false);
+ // was incremented in find_endpoint function. We don't need it
+ // increased here.
+ send_bind (peer.socket, outpipe_reader, inpipe_writer,
+ options.identity, false);
return 0;
}
- // Create unnamed session.
+ // Choose the I/O thread to run the session in.
io_thread_t *io_thread = choose_io_thread (options.affinity);
- session_t *session = new (std::nothrow) session_t (io_thread,
- this, options);
- zmq_assert (session);
+ if (!io_thread) {
+ errno = EMTHREAD;
+ return -1;
+ }
+
+ // Create session.
+ connect_session_t *session = new (std::nothrow) connect_session_t (
+ io_thread, this, options, protocol.c_str (), address.c_str ());
+ alloc_assert (session);
- // If 'immediate connect' feature is required, we'll created the pipes
+ // If 'immediate connect' feature is required, we'll create the pipes
// to the session straight away. Otherwise, they'll be created by the
// session once the connection is established.
if (options.immediate_connect) {
- pipe_t *in_pipe = NULL;
- pipe_t *out_pipe = NULL;
+ reader_t *inpipe_reader = NULL;
+ writer_t *inpipe_writer = NULL;
+ reader_t *outpipe_reader = NULL;
+ writer_t *outpipe_writer = NULL;
// Create inbound pipe, if required.
- if (options.requires_in) {
- in_pipe = new (std::nothrow) pipe_t (this, session, options.hwm, options.swap);
- zmq_assert (in_pipe);
-
- }
+ if (options.requires_in)
+ create_pipe (this, session, options.hwm, options.swap,
+ &inpipe_reader, &inpipe_writer);
// Create outbound pipe, if required.
- if (options.requires_out) {
- out_pipe = new (std::nothrow) pipe_t (session, this, options.hwm, options.swap);
- zmq_assert (out_pipe);
- }
+ if (options.requires_out)
+ create_pipe (session, this, options.hwm, options.swap,
+ &outpipe_reader, &outpipe_writer);
// Attach the pipes to the socket object.
- attach_pipes (in_pipe ? &in_pipe->reader : NULL,
- out_pipe ? &out_pipe->writer : NULL, blob_t ());
+ attach_pipes (inpipe_reader, outpipe_writer, blob_t ());
// Attach the pipes to the session object.
- session->attach_pipes (out_pipe ? &out_pipe->reader : NULL,
- in_pipe ? &in_pipe->writer : NULL, blob_t ());
+ session->attach_pipes (outpipe_reader, inpipe_writer, blob_t ());
}
- // Activate the session.
- send_plug (session);
- send_own (this, session);
-
- if (addr_type == "tcp" || addr_type == "ipc") {
-
-#if defined ZMQ_HAVE_WINDOWS || defined ZMQ_HAVE_OPENVMS
- // Windows named pipes are not compatible with Winsock API.
- // There's no UNIX domain socket implementation on OpenVMS.
- if (addr_type == "ipc") {
- errno = EPROTONOSUPPORT;
- return -1;
- }
-#endif
-
- // Create the connecter object. Supply it with the session name
- // so that it can bind the new connection to the session once
- // it is established.
- zmq_connecter_t *connecter = new (std::nothrow) zmq_connecter_t (
- choose_io_thread (options.affinity), this, options,
- session->get_ordinal (), false);
- zmq_assert (connecter);
- int rc = connecter->set_address (addr_type.c_str(), addr_args.c_str ());
- if (rc != 0) {
- delete connecter;
- return -1;
- }
- send_plug (connecter);
- send_own (this, connecter);
+ // Activate the session. Make it a child of this socket.
+ launch_child (session);
- return 0;
- }
-
-#if defined ZMQ_HAVE_OPENPGM
- if (addr_type == "pgm" || addr_type == "epgm") {
-
- // If the socket type requires bi-directional communication
- // multicast is not an option (it is uni-directional).
- if (options.requires_in && options.requires_out) {
- errno = ENOCOMPATPROTO;
- return -1;
- }
-
- // For epgm, pgm transport with UDP encapsulation is used.
- bool udp_encapsulation = (addr_type == "epgm");
-
- // At this point we'll create message pipes to the session straight
- // away. There's no point in delaying it as no concept of 'connect'
- // exists with PGM anyway.
- if (options.requires_out) {
-
- // PGM sender.
- pgm_sender_t *pgm_sender = new (std::nothrow) pgm_sender_t (
- choose_io_thread (options.affinity), options);
- zmq_assert (pgm_sender);
-
- int rc = pgm_sender->init (udp_encapsulation, addr_args.c_str ());
- if (rc != 0) {
- delete pgm_sender;
- return -1;
- }
-
- send_attach (session, pgm_sender, blob_t ());
- }
- else if (options.requires_in) {
-
- // PGM receiver.
- pgm_receiver_t *pgm_receiver = new (std::nothrow) pgm_receiver_t (
- choose_io_thread (options.affinity), options);
- zmq_assert (pgm_receiver);
-
- int rc = pgm_receiver->init (udp_encapsulation, addr_args.c_str ());
- if (rc != 0) {
- delete pgm_receiver;
- return -1;
- }
-
- send_attach (session, pgm_receiver, blob_t ());
- }
- else
- zmq_assert (false);
-
- return 0;
- }
-#endif
-
- // Unknown protoco.
- errno = EPROTONOSUPPORT;
- return -1;
+ return 0;
}
int zmq::socket_base_t::send (::zmq_msg_t *msg_, int flags_)
{
- // Process pending commands, if any.
- if (unlikely (!app_thread->process_commands (false, true))) {
+ if (unlikely (ctx_terminated)) {
errno = ETERM;
return -1;
}
+ // Process pending commands, if any.
+ int rc = process_commands (false, true);
+ if (unlikely (rc != 0))
+ return -1;
+
// At this point we impose the MORE flag on the message.
if (flags_ & ZMQ_SNDMORE)
msg_->flags |= ZMQ_MSG_MORE;
// Try to send the message.
- int rc = xsend (msg_, flags_);
+ rc = xsend (msg_, flags_);
if (rc == 0)
return 0;
@@ -372,10 +487,8 @@ int zmq::socket_base_t::send (::zmq_msg_t *msg_, int flags_)
while (rc != 0) {
if (errno != EAGAIN)
return -1;
- if (unlikely (!app_thread->process_commands (true, false))) {
- errno = ETERM;
+ if (unlikely (process_commands (true, false) != 0))
return -1;
- }
rc = xsend (msg_, flags_);
}
return 0;
@@ -383,6 +496,11 @@ int zmq::socket_base_t::send (::zmq_msg_t *msg_, int flags_)
int zmq::socket_base_t::recv (::zmq_msg_t *msg_, int flags_)
{
+ if (unlikely (ctx_terminated)) {
+ errno = ETERM;
+ return -1;
+ }
+
// Get the message.
int rc = xrecv (msg_, flags_);
int err = errno;
@@ -394,12 +512,10 @@ int zmq::socket_base_t::recv (::zmq_msg_t *msg_, int flags_)
//
// Note that 'recv' uses different command throttling algorithm (the one
// described above) from the one used by 'send'. This is because counting
- // ticks is more efficient than doing rdtsc all the time.
+ // ticks is more efficient than doing RDTSC all the time.
if (++ticks == inbound_poll_rate) {
- if (unlikely (!app_thread->process_commands (false, false))) {
- errno = ETERM;
+ if (unlikely (process_commands (false, false) != 0))
return -1;
- }
ticks = 0;
}
@@ -415,15 +531,14 @@ int zmq::socket_base_t::recv (::zmq_msg_t *msg_, int flags_)
errno = err;
// If the message cannot be fetched immediately, there are two scenarios.
- // For non-blocking recv, commands are processed in case there's a revive
- // command already waiting int a command pipe. If it's not, return EAGAIN.
+ // For non-blocking recv, commands are processed in case there's an
+ // activate_reader command already waiting int a command pipe.
+ // If it's not, return EAGAIN.
if (flags_ & ZMQ_NOBLOCK) {
if (errno != EAGAIN)
return -1;
- if (unlikely (!app_thread->process_commands (false, false))) {
- errno = ETERM;
+ if (unlikely (process_commands (false, false) != 0))
return -1;
- }
ticks = 0;
rc = xrecv (msg_, flags_);
@@ -437,15 +552,15 @@ int zmq::socket_base_t::recv (::zmq_msg_t *msg_, int flags_)
// In blocking scenario, commands are processed over and over again until
// we are able to fetch a message.
+ bool block = (ticks != 0);
while (rc != 0) {
if (errno != EAGAIN)
return -1;
- if (unlikely (!app_thread->process_commands (true, false))) {
- errno = ETERM;
+ if (unlikely (process_commands (block, false) != 0))
return -1;
- }
rc = xrecv (msg_, flags_);
ticks = 0;
+ block = true;
}
rcvmore = msg_->flags & ZMQ_MSG_MORE;
@@ -456,74 +571,14 @@ int zmq::socket_base_t::recv (::zmq_msg_t *msg_, int flags_)
int zmq::socket_base_t::close ()
{
- shutting_down = true;
-
- // Let the thread know that the socket is no longer available.
- app_thread->remove_socket (this);
-
- // Pointer to the context must be retrieved before the socket is
- // deallocated. Afterwards it is not available.
- ctx_t *ctx = get_ctx ();
-
- // Unregister all inproc endpoints associated with this socket.
- // From this point we are sure that inc_seqnum won't be called again
- // on this object.
- ctx->unregister_endpoints (this);
-
- // Wait till all undelivered commands are delivered. This should happen
- // very quickly. There's no way to wait here for extensive period of time.
- while (processed_seqnum != sent_seqnum.get ())
- app_thread->process_commands (true, false);
-
- while (true) {
-
- // On third pass of the loop there should be no more I/O objects
- // because all connecters and listerners were destroyed during
- // the first pass and all engines delivered by delayed 'own' commands
- // are destroyed during the second pass.
- if (io_objects.empty () && !pending_term_acks)
- break;
-
- // Send termination request to all associated I/O objects.
- for (io_objects_t::iterator it = io_objects.begin ();
- it != io_objects.end (); it++)
- send_term (*it);
-
- // Move the objects to the list of pending term acks.
- pending_term_acks += io_objects.size ();
- io_objects.clear ();
-
- // Process commands till we get all the termination acknowledgements.
- while (pending_term_acks)
- app_thread->process_commands (true, false);
- }
-
- // Check whether there are no session leaks.
- sessions_sync.lock ();
- zmq_assert (named_sessions.empty ());
- zmq_assert (unnamed_sessions.empty ());
- sessions_sync.unlock ();
-
- delete this;
-
- // This function must be called after the socket is completely deallocated
- // as it may cause termination of the whole 0MQ infrastructure.
- ctx->destroy_socket ();
+ // Transfer the ownership of the socket from this application thread
+ // to the reaper thread which will take care of the rest of shutdown
+ // process.
+ send_reap (this);
return 0;
}
-void zmq::socket_base_t::inc_seqnum ()
-{
- // NB: This function may be called from a different thread!
- sent_seqnum.add (1);
-}
-
-zmq::app_thread_t *zmq::socket_base_t::get_thread ()
-{
- return app_thread;
-}
-
bool zmq::socket_base_t::has_in ()
{
return xhas_in ();
@@ -534,30 +589,30 @@ bool zmq::socket_base_t::has_out ()
return xhas_out ();
}
-bool zmq::socket_base_t::register_session (const blob_t &peer_identity_,
+bool zmq::socket_base_t::register_session (const blob_t &name_,
session_t *session_)
{
sessions_sync.lock ();
- bool registered = named_sessions.insert (
- std::make_pair (peer_identity_, session_)).second;
+ bool registered = sessions.insert (
+ sessions_t::value_type (name_, session_)).second;
sessions_sync.unlock ();
return registered;
}
-void zmq::socket_base_t::unregister_session (const blob_t &peer_identity_)
+void zmq::socket_base_t::unregister_session (const blob_t &name_)
{
sessions_sync.lock ();
- named_sessions_t::iterator it = named_sessions.find (peer_identity_);
- zmq_assert (it != named_sessions.end ());
- named_sessions.erase (it);
+ sessions_t::iterator it = sessions.find (name_);
+ zmq_assert (it != sessions.end ());
+ sessions.erase (it);
sessions_sync.unlock ();
}
-zmq::session_t *zmq::socket_base_t::find_session (const blob_t &peer_identity_)
+zmq::session_t *zmq::socket_base_t::find_session (const blob_t &name_)
{
sessions_sync.lock ();
- named_sessions_t::iterator it = named_sessions.find (peer_identity_);
- if (it == named_sessions.end ()) {
+ sessions_t::iterator it = sessions.find (name_);
+ if (it == sessions.end ()) {
sessions_sync.unlock ();
return NULL;
}
@@ -570,129 +625,164 @@ zmq::session_t *zmq::socket_base_t::find_session (const blob_t &peer_identity_)
return session;
}
-uint64_t zmq::socket_base_t::register_session (session_t *session_)
+void zmq::socket_base_t::start_reaping (poller_t *poller_)
{
- sessions_sync.lock ();
- uint64_t ordinal = next_ordinal;
- next_ordinal++;
- unnamed_sessions.insert (std::make_pair (ordinal, session_));
- sessions_sync.unlock ();
- return ordinal;
+ poller = poller_;
+ handle = poller->add_fd (mailbox.get_fd (), this);
+ poller->set_pollin (handle);
}
-void zmq::socket_base_t::unregister_session (uint64_t ordinal_)
+int zmq::socket_base_t::process_commands (bool block_, bool throttle_)
{
- sessions_sync.lock ();
- unnamed_sessions_t::iterator it = unnamed_sessions.find (ordinal_);
- zmq_assert (it != unnamed_sessions.end ());
- unnamed_sessions.erase (it);
- sessions_sync.unlock ();
-}
+ int rc;
+ command_t cmd;
+ if (block_) {
+ rc = mailbox.recv (&cmd, true);
+ if (rc == -1 && errno == EINTR)
+ return -1;
+ errno_assert (rc == 0);
+ }
+ else {
-zmq::session_t *zmq::socket_base_t::find_session (uint64_t ordinal_)
-{
- sessions_sync.lock ();
+ // Get the CPU's tick counter. If 0, the counter is not available.
+ uint64_t tsc = zmq::clock_t::rdtsc ();
+
+ // Optimised version of command processing - it doesn't have to check
+ // for incoming commands each time. It does so only if certain time
+ // elapsed since last command processing. Command delay varies
+ // depending on CPU speed: It's ~1ms on 3GHz CPU, ~2ms on 1.5GHz CPU
+ // etc. The optimisation makes sense only on platforms where getting
+ // a timestamp is a very cheap operation (tens of nanoseconds).
+ if (tsc && throttle_) {
+
+ // Check whether TSC haven't jumped backwards (in case of migration
+ // between CPU cores) and whether certain time have elapsed since
+ // last command processing. If it didn't do nothing.
+ if (tsc >= last_tsc && tsc - last_tsc <= max_command_delay)
+ return 0;
+ last_tsc = tsc;
+ }
- unnamed_sessions_t::iterator it = unnamed_sessions.find (ordinal_);
- if (it == unnamed_sessions.end ()) {
- sessions_sync.unlock ();
- return NULL;
+ // Check whether there are any commands pending for this thread.
+ rc = mailbox.recv (&cmd, false);
}
- session_t *session = it->second;
- // Prepare the session for subsequent attach command.
- session->inc_seqnum ();
+ // Process all the commands available at the moment.
+ while (true) {
+ if (rc == -1 && errno == EAGAIN)
+ break;
+ if (rc == -1 && errno == EINTR)
+ return -1;
+ errno_assert (rc == 0);
+ cmd.destination->process_command (cmd);
+ rc = mailbox.recv (&cmd, false);
+ }
- sessions_sync.unlock ();
- return session;
+ if (ctx_terminated) {
+ errno = ETERM;
+ return -1;
+ }
+
+ return 0;
}
-void zmq::socket_base_t::kill (reader_t *pipe_)
+void zmq::socket_base_t::process_stop ()
{
- xkill (pipe_);
+ // Here, someone have called zmq_term while the socket was still alive.
+ // We'll remember the fact so that any blocking call is interrupted and any
+ // further attempt to use the socket will return ETERM. The user is still
+ // responsible for calling zmq_close on the socket though!
+ ctx_terminated = true;
}
-void zmq::socket_base_t::revive (reader_t *pipe_)
+void zmq::socket_base_t::process_bind (reader_t *in_pipe_, writer_t *out_pipe_,
+ const blob_t &peer_identity_)
{
- xrevive (pipe_);
+ attach_pipes (in_pipe_, out_pipe_, peer_identity_);
}
-void zmq::socket_base_t::revive (writer_t *pipe_)
+void zmq::socket_base_t::process_unplug ()
{
- xrevive (pipe_);
}
-void zmq::socket_base_t::attach_pipes (class reader_t *inpipe_,
- class writer_t *outpipe_, const blob_t &peer_identity_)
+void zmq::socket_base_t::process_term (int linger_)
{
- if (inpipe_)
- inpipe_->set_endpoint (this);
- if (outpipe_)
- outpipe_->set_endpoint (this);
+ // Unregister all inproc endpoints associated with this socket.
+ // Doing this we make sure that no new pipes from other sockets (inproc)
+ // will be initiated.
+ unregister_endpoints (this);
- // If the peer haven't specified it's identity, let's generate one.
- if (peer_identity_.size ()) {
- xattach_pipes (inpipe_, outpipe_, peer_identity_);
- }
- else {
- blob_t identity (1, 0);
- identity.append (uuid_t ().to_blob (), uuid_t::uuid_blob_len);
- xattach_pipes (inpipe_, outpipe_, identity);
- }
+ // Continue the termination process immediately.
+ own_t::process_term (linger_);
}
-void zmq::socket_base_t::detach_inpipe (class reader_t *pipe_)
+void zmq::socket_base_t::process_destroy ()
{
- xdetach_inpipe (pipe_);
- pipe_->set_endpoint (NULL); // ?
+ destroyed = true;
}
-void zmq::socket_base_t::detach_outpipe (class writer_t *pipe_)
+int zmq::socket_base_t::xsetsockopt (int option_, const void *optval_,
+ size_t optvallen_)
{
- xdetach_outpipe (pipe_);
- pipe_->set_endpoint (NULL); // ?
+ errno = EINVAL;
+ return -1;
}
-void zmq::socket_base_t::process_own (owned_t *object_)
+bool zmq::socket_base_t::xhas_out ()
{
- io_objects.insert (object_);
+ return false;
}
-void zmq::socket_base_t::process_bind (reader_t *in_pipe_, writer_t *out_pipe_,
- const blob_t &peer_identity_)
+int zmq::socket_base_t::xsend (zmq_msg_t *msg_, int options_)
{
- attach_pipes (in_pipe_, out_pipe_, peer_identity_);
+ errno = ENOTSUP;
+ return -1;
}
-void zmq::socket_base_t::process_term_req (owned_t *object_)
+bool zmq::socket_base_t::xhas_in ()
{
- // When shutting down we can ignore termination requests from owned
- // objects. They are going to be terminated anyway.
- if (shutting_down)
- return;
-
- // If I/O object is well and alive ask it to terminate.
- io_objects_t::iterator it = std::find (io_objects.begin (),
- io_objects.end (), object_);
+ return false;
+}
- // If not found, we assume that termination request was already sent to
- // the object so we can sagely ignore the request.
- if (it == io_objects.end ())
- return;
+int zmq::socket_base_t::xrecv (zmq_msg_t *msg_, int options_)
+{
+ errno = ENOTSUP;
+ return -1;
+}
- pending_term_acks++;
- io_objects.erase (it);
- send_term (object_);
+void zmq::socket_base_t::in_event ()
+{
+ // Process any commands from other threads/sockets that may be available
+ // at the moment. Ultimately, socket will be destroyed.
+ process_commands (false, false);
+ check_destroy ();
}
-void zmq::socket_base_t::process_term_ack ()
+void zmq::socket_base_t::out_event ()
{
- zmq_assert (pending_term_acks);
- pending_term_acks--;
+ zmq_assert (false);
}
-void zmq::socket_base_t::process_seqnum ()
+void zmq::socket_base_t::timer_event (int id_)
{
- processed_seqnum++;
+ zmq_assert (false);
}
+void zmq::socket_base_t::check_destroy ()
+{
+ // If the object was already marked as destroyed, finish the deallocation.
+ if (destroyed) {
+
+ // Remove the socket from the reaper's poller.
+ poller->rm_fd (handle);
+
+ // Remove the socket from the context.
+ destroy_socket (this);
+
+ // Notify the reaper about the fact.
+ send_reaped ();
+
+ // Deallocate.
+ own_t::process_destroy ();
+ }
+}
diff --git a/src/socket_base.hpp b/src/socket_base.hpp
index 3d95cec..15ac83c 100644
--- a/src/socket_base.hpp
+++ b/src/socket_base.hpp
@@ -1,50 +1,65 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __ZMQ_SOCKET_BASE_HPP_INCLUDED__
#define __ZMQ_SOCKET_BASE_HPP_INCLUDED__
-#include <set>
#include <map>
#include <vector>
#include "../include/zmq.h"
-#include "i_endpoint.hpp"
-#include "object.hpp"
-#include "yarray_item.hpp"
+#include "own.hpp"
+#include "array.hpp"
#include "mutex.hpp"
-#include "options.hpp"
#include "stdint.hpp"
+#include "poller.hpp"
#include "atomic_counter.hpp"
+#include "i_poll_events.hpp"
+#include "mailbox.hpp"
#include "stdint.hpp"
#include "blob.hpp"
+#include "own.hpp"
namespace zmq
{
class socket_base_t :
- public object_t, public i_endpoint, public yarray_item_t
+ public own_t,
+ public array_item_t,
+ public i_poll_events
{
+ friend class reaper_t;
+
public:
- socket_base_t (class app_thread_t *parent_);
+ // Create a socket of a specified type.
+ static socket_base_t *create (int type_, class ctx_t *parent_,
+ uint32_t tid_);
+
+ // Returns the mailbox associated with this socket.
+ mailbox_t *get_mailbox ();
+
+ // Interrupt blocking call if the socket is stuck in one.
+ // This function can be called from a different thread!
+ void stop ();
// Interface for communication with the API layer.
int setsockopt (int option_, const void *optval_, size_t optvallen_);
@@ -55,88 +70,113 @@ namespace zmq
int recv (zmq_msg_t *msg_, int flags_);
int close ();
- // When another owned object wants to send command to this object
- // it calls this function to let it know it should not shut down
- // before the command is delivered.
- void inc_seqnum ();
-
- // This function is used by the polling mechanism to determine
- // whether the socket belongs to the application thread the poll
- // is called from.
- class app_thread_t *get_thread ();
-
// These functions are used by the polling mechanism to determine
// which events are to be reported from this socket.
bool has_in ();
bool has_out ();
- // The list of sessions cannot be accessed via inter-thread
- // commands as it is unacceptable to wait for the completion of the
- // action till user application yields control of the application
- // thread to 0MQ. Locking is used instead.
- // There are two distinct types of sessions: those identified by name
- // and those identified by ordinal number. Thus two sets of session
- // management functions.
- bool register_session (const blob_t &peer_identity_,
- class session_t *session_);
- void unregister_session (const blob_t &peer_identity_);
- class session_t *find_session (const blob_t &peer_identity_);
- uint64_t register_session (class session_t *session_);
- void unregister_session (uint64_t ordinal_);
- class session_t *find_session (uint64_t ordinal_);
-
- // i_endpoint interface implementation.
- void attach_pipes (class reader_t *inpipe_, class writer_t *outpipe_,
- const blob_t &peer_identity_);
- void detach_inpipe (class reader_t *pipe_);
- void detach_outpipe (class writer_t *pipe_);
- void kill (class reader_t *pipe_);
- void revive (class reader_t *pipe_);
- void revive (class writer_t *pipe_);
+ // Registry of named sessions.
+ bool register_session (const blob_t &name_, class session_t *session_);
+ void unregister_session (const blob_t &name_);
+ class session_t *find_session (const blob_t &name_);
+
+ // i_reader_events interface implementation.
+ void activated (class reader_t *pipe_);
+ void terminated (class reader_t *pipe_);
+
+ // i_writer_events interface implementation.
+ void activated (class writer_t *pipe_);
+ void terminated (class writer_t *pipe_);
+
+ // Using this function reaper thread ask the socket to regiter with
+ // its poller.
+ void start_reaping (poller_t *poller_);
+
+ // i_poll_events implementation. This interface is used when socket
+ // is handled by the poller in the reaper thread.
+ void in_event ();
+ void out_event ();
+ void timer_event (int id_);
+
+ // To be called after processing commands or invoking any command
+ // handlers explicitly. If required, it will deallocate the socket.
+ void check_destroy ();
protected:
- // Destructor is protected. Socket is closed using 'close' function.
+ socket_base_t (class ctx_t *parent_, uint32_t tid_);
virtual ~socket_base_t ();
- // Pipe management is done by individual socket types.
+ // Concrete algorithms for the x- methods are to be defined by
+ // individual socket types.
virtual void xattach_pipes (class reader_t *inpipe_,
class writer_t *outpipe_, const blob_t &peer_identity_) = 0;
- virtual void xdetach_inpipe (class reader_t *pipe_) = 0;
- virtual void xdetach_outpipe (class writer_t *pipe_) = 0;
- virtual void xkill (class reader_t *pipe_) = 0;
- virtual void xrevive (class reader_t *pipe_) = 0;
- virtual void xrevive (class writer_t *pipe_) = 0;
- // Actual algorithms are to be defined by individual socket types.
+ // The default implementation assumes there are no specific socket
+ // options for the particular socket type. If not so, overload this
+ // method.
virtual int xsetsockopt (int option_, const void *optval_,
- size_t optvallen_) = 0;
- virtual int xsend (zmq_msg_t *msg_, int options_) = 0;
- virtual int xrecv (zmq_msg_t *msg_, int options_) = 0;
- virtual bool xhas_in () = 0;
- virtual bool xhas_out () = 0;
+ size_t optvallen_);
+
+ // The default implementation assumes that send is not supported.
+ virtual bool xhas_out ();
+ virtual int xsend (zmq_msg_t *msg_, int options_);
+
+ // The default implementation assumes that recv in not supported.
+ virtual bool xhas_in ();
+ virtual int xrecv (zmq_msg_t *msg_, int options_);
- // Socket options.
- options_t options;
+ // We are declaring termination handler as protected so that
+ // individual socket types can hook into the termination process
+ // by overloading it.
+ void process_term (int linger_);
+
+ // Delay actual destruction of the socket.
+ void process_destroy ();
private:
+ // If true, associated context was already terminated.
+ bool ctx_terminated;
+
+ // If true, object should have been already destroyed. However,
+ // destruction is delayed while we unwind the stack to the point
+ // where it doesn't intersect the object being destroyed.
+ bool destroyed;
+
+ // Parse URI string.
+ int parse_uri (const char *uri_, std::string &protocol_,
+ std::string &address_);
+
+ // Check whether transport protocol, as specified in connect or
+ // bind, is available and compatible with the socket type.
+ int check_protocol (const std::string &protocol_);
+
+ // If no identity set generate one and call xattach_pipes ().
+ void attach_pipes (class reader_t *inpipe_, class writer_t *outpipe_,
+ const blob_t &peer_identity_);
+
+ // Processes commands sent to this socket (if any). If 'block' is
+ // set to true, returns only after at least one command was processed.
+ // If throttle argument is true, commands are processed at most once
+ // in a predefined time period.
+ int process_commands (bool block_, bool throttle_);
+
// Handlers for incoming commands.
- void process_own (class owned_t *object_);
+ void process_stop ();
void process_bind (class reader_t *in_pipe_, class writer_t *out_pipe_,
const blob_t &peer_identity_);
- void process_term_req (class owned_t *object_);
- void process_term_ack ();
- void process_seqnum ();
+ void process_unplug ();
- // List of all I/O objects owned by this socket. The socket is
- // responsible for deallocating them before it quits.
- typedef std::set <class owned_t*> io_objects_t;
- io_objects_t io_objects;
+ // Socket's mailbox object.
+ mailbox_t mailbox;
- // Number of I/O objects that were already asked to terminate
- // but haven't acknowledged it yet.
- int pending_term_acks;
+ // Reaper's poller and handle of this socket within it.
+ poller_t *poller;
+ poller_t::handle_t handle;
+
+ // Timestamp of when commands were processed the last time.
+ uint64_t last_tsc;
// Number of messages received since last command processing.
int ticks;
@@ -144,32 +184,16 @@ namespace zmq
// If true there's a half-read message in the socket.
bool rcvmore;
- // Application thread the socket lives in.
- class app_thread_t *app_thread;
-
- // If true, socket is already shutting down. No new work should be
- // started.
- bool shutting_down;
-
- // Sequence number of the last command sent to this object.
- atomic_counter_t sent_seqnum;
-
- // Sequence number of the last command processed by this object.
- uint64_t processed_seqnum;
-
- // Lists of existing sessions. This lists are never referenced from
- // within the socket, instead they are used by I/O objects owned by
+ // Lists of existing sessions. This list is never referenced from
+ // within the socket, instead it is used by objects owned by
// the socket. As those objects can live in different threads,
// the access is synchronised by mutex.
- typedef std::map <blob_t, session_t*> named_sessions_t;
- named_sessions_t named_sessions;
- typedef std::map <uint64_t, session_t*> unnamed_sessions_t;
- unnamed_sessions_t unnamed_sessions;
- uint64_t next_ordinal;
+ typedef std::map <blob_t, session_t*> sessions_t;
+ sessions_t sessions;
mutex_t sessions_sync;
socket_base_t (const socket_base_t&);
- void operator = (const socket_base_t&);
+ const socket_base_t &operator = (const socket_base_t&);
};
}
diff --git a/src/stdint.hpp b/src/stdint.hpp
index fe1bff6..73186d3 100644
--- a/src/stdint.hpp
+++ b/src/stdint.hpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -22,7 +23,7 @@
#include "platform.hpp"
-#ifdef ZMQ_HAVE_SOLARIS
+#if defined ZMQ_HAVE_SOLARIS || defined ZMQ_HAVE_OPENVMS
#include <inttypes.h>
@@ -53,14 +54,6 @@ typedef unsigned __int32 uint32_t;
typedef unsigned __int64 uint64_t;
#endif
-#elif defined ZMQ_HAVE_OPENVMS
-
-#include <types.h>
-typedef unsigned __int8 uint8_t;
-typedef unsigned __int16 uint16_t;
-typedef unsigned __int32 uint32_t;
-typedef unsigned __int64 uint64_t;
-
#else
#include <stdint.h>
diff --git a/src/streamer.cpp b/src/streamer.cpp
deleted file mode 100644
index 7c03365..0000000
--- a/src/streamer.cpp
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- Copyright (c) 2007-2010 iMatix Corporation
-
- This file is part of 0MQ.
-
- 0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- 0MQ is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
-
- You should have received a copy of the Lesser GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include "../include/zmq.h"
-
-#include "streamer.hpp"
-#include "socket_base.hpp"
-#include "likely.hpp"
-#include "err.hpp"
-
-int zmq::streamer (socket_base_t *insocket_, socket_base_t *outsocket_)
-{
- zmq_msg_t msg;
- int rc = zmq_msg_init (&msg);
- errno_assert (rc == 0);
-
- int64_t more;
- size_t more_sz = sizeof (more);
-
- while (true) {
- rc = insocket_->recv (&msg, 0);
- if (unlikely (rc < 0)) {
- if (errno == ETERM)
- return -1;
- errno_assert (false);
- }
-
- rc = insocket_->getsockopt (ZMQ_RCVMORE, &more, &more_sz);
- if (unlikely (rc < 0)) {
- if (errno == ETERM)
- return -1;
- errno_assert (false);
- }
-
- rc = outsocket_->send (&msg, more ? ZMQ_SNDMORE : 0);
- if (unlikely (rc < 0)) {
- if (errno == ETERM)
- return -1;
- errno_assert (false);
- }
- }
-
- return 0;
-}
diff --git a/src/sub.cpp b/src/sub.cpp
index eeb50cd..aef7369 100644
--- a/src/sub.cpp
+++ b/src/sub.cpp
@@ -1,191 +1,75 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#include <string.h>
-
#include "../include/zmq.h"
#include "sub.hpp"
-#include "err.hpp"
-zmq::sub_t::sub_t (class app_thread_t *parent_) :
- socket_base_t (parent_),
- has_message (false),
- more (false)
+zmq::sub_t::sub_t (class ctx_t *parent_, uint32_t tid_) :
+ xsub_t (parent_, tid_)
{
- options.requires_in = true;
- options.requires_out = false;
- zmq_msg_init (&message);
+ options.type = ZMQ_SUB;
}
zmq::sub_t::~sub_t ()
{
- zmq_msg_close (&message);
-}
-
-void zmq::sub_t::xattach_pipes (class reader_t *inpipe_,
- class writer_t *outpipe_, const blob_t &peer_identity_)
-{
- zmq_assert (inpipe_ && !outpipe_);
- fq.attach (inpipe_);
-}
-
-void zmq::sub_t::xdetach_inpipe (class reader_t *pipe_)
-{
- zmq_assert (pipe_);
- fq.detach (pipe_);
-}
-
-void zmq::sub_t::xdetach_outpipe (class writer_t *pipe_)
-{
- // SUB socket is read-only thus there should be no outpipes.
- zmq_assert (false);
-}
-
-void zmq::sub_t::xkill (class reader_t *pipe_)
-{
- fq.kill (pipe_);
-}
-
-void zmq::sub_t::xrevive (class reader_t *pipe_)
-{
- fq.revive (pipe_);
-}
-
-void zmq::sub_t::xrevive (class writer_t *pipe_)
-{
- zmq_assert (false);
}
int zmq::sub_t::xsetsockopt (int option_, const void *optval_,
size_t optvallen_)
{
- if (option_ == ZMQ_SUBSCRIBE) {
- subscriptions.add ((unsigned char*) optval_, optvallen_);
- return 0;
- }
-
- if (option_ == ZMQ_UNSUBSCRIBE) {
- if (!subscriptions.rm ((unsigned char*) optval_, optvallen_)) {
- errno = EINVAL;
- return -1;
- }
- return 0;
+ if (option_ != ZMQ_SUBSCRIBE && option_ != ZMQ_UNSUBSCRIBE) {
+ errno = EINVAL;
+ return -1;
}
- errno = EINVAL;
- return -1;
+ // Create the subscription message.
+ zmq_msg_t msg;
+ zmq_msg_init_size (&msg, optvallen_ + 1);
+ unsigned char *data = (unsigned char*) zmq_msg_data (&msg);
+ if (option_ == ZMQ_SUBSCRIBE)
+ *data = 1;
+ else if (option_ == ZMQ_UNSUBSCRIBE)
+ *data = 0;
+ memcpy (data + 1, optval_, optvallen_);
+
+ // Pass it further on in the stack.
+ int err = 0;
+ int rc = xsub_t::xsend (&msg, 0);
+ if (rc != 0)
+ err = errno;
+ zmq_msg_close (&msg);
+ if (rc != 0)
+ errno = err;
+ return rc;
}
-int zmq::sub_t::xsend (zmq_msg_t *msg_, int flags_)
+int zmq::sub_t::xsend (zmq_msg_t *msg_, int options_)
{
+ // Overload the XSUB's send.
errno = ENOTSUP;
return -1;
}
-int zmq::sub_t::xrecv (zmq_msg_t *msg_, int flags_)
-{
- // If there's already a message prepared by a previous call to zmq_poll,
- // return it straight ahead.
- if (has_message) {
- zmq_msg_move (msg_, &message);
- has_message = false;
- more = msg_->flags & ZMQ_MSG_MORE;
- return 0;
- }
-
- // TODO: This can result in infinite loop in the case of continuous
- // stream of non-matching messages which breaks the non-blocking recv
- // semantics.
- while (true) {
-
- // Get a message using fair queueing algorithm.
- int rc = fq.recv (msg_, flags_);
-
- // If there's no message available, return immediately.
- // The same when error occurs.
- if (rc != 0)
- return -1;
-
- // Check whether the message matches at least one subscription.
- // Non-initial parts of the message are passed
- if (more || match (msg_)) {
- more = msg_->flags & ZMQ_MSG_MORE;
- return 0;
- }
-
- // Message doesn't match. Pop any remaining parts of the message
- // from the pipe.
- while (msg_->flags & ZMQ_MSG_MORE) {
- rc = fq.recv (msg_, ZMQ_NOBLOCK);
- zmq_assert (rc == 0);
- }
- }
-}
-
-bool zmq::sub_t::xhas_in ()
-{
- // There are subsequent parts of the partly-read message available.
- if (more)
- return true;
-
- // If there's already a message prepared by a previous call to zmq_poll,
- // return straight ahead.
- if (has_message)
- return true;
-
- // TODO: This can result in infinite loop in the case of continuous
- // stream of non-matching messages.
- while (true) {
-
- // Get a message using fair queueing algorithm.
- int rc = fq.recv (&message, ZMQ_NOBLOCK);
-
- // If there's no message available, return immediately.
- // The same when error occurs.
- if (rc != 0) {
- zmq_assert (errno == EAGAIN);
- return false;
- }
-
- // Check whether the message matches at least one subscription.
- if (match (&message)) {
- has_message = true;
- return true;
- }
-
- // Message doesn't match. Pop any remaining parts of the message
- // from the pipe.
- while (message.flags & ZMQ_MSG_MORE) {
- rc = fq.recv (&message, ZMQ_NOBLOCK);
- zmq_assert (rc == 0);
- }
- }
-}
-
bool zmq::sub_t::xhas_out ()
{
+ // Overload the XSUB's send.
return false;
}
-
-bool zmq::sub_t::match (zmq_msg_t *msg_)
-{
- return subscriptions.check ((unsigned char*) zmq_msg_data (msg_),
- zmq_msg_size (msg_));
-}
diff --git a/src/sub.hpp b/src/sub.hpp
index 7b997c9..d1f467d 100644
--- a/src/sub.hpp
+++ b/src/sub.hpp
@@ -1,79 +1,48 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __ZMQ_SUB_HPP_INCLUDED__
#define __ZMQ_SUB_HPP_INCLUDED__
-#include "../include/zmq.h"
-
-#include "prefix_tree.hpp"
-#include "socket_base.hpp"
-#include "fq.hpp"
+#include "xsub.hpp"
namespace zmq
{
- class sub_t : public socket_base_t
+ class sub_t : public xsub_t
{
public:
- sub_t (class app_thread_t *parent_);
+ sub_t (class ctx_t *parent_, uint32_t tid_);
~sub_t ();
protected:
- // Overloads of functions from socket_base_t.
- void xattach_pipes (class reader_t *inpipe_, class writer_t *outpipe_,
- const blob_t &peer_identity_);
- void xdetach_inpipe (class reader_t *pipe_);
- void xdetach_outpipe (class writer_t *pipe_);
- void xkill (class reader_t *pipe_);
- void xrevive (class reader_t *pipe_);
- void xrevive (class writer_t *pipe_);
int xsetsockopt (int option_, const void *optval_, size_t optvallen_);
- int xsend (zmq_msg_t *msg_, int flags_);
- int xrecv (zmq_msg_t *msg_, int flags_);
- bool xhas_in ();
- bool xhas_out ();
+ int xsend (zmq_msg_t *msg_, int options_);
+ bool xhas_out ();
private:
- // Check whether the message matches at least one subscription.
- bool match (zmq_msg_t *msg_);
-
- // Fair queueing object for inbound pipes.
- fq_t fq;
-
- // The repository of subscriptions.
- prefix_tree_t subscriptions;
-
- // If true, 'message' contains a matching message to return on the
- // next recv call.
- bool has_message;
- zmq_msg_t message;
-
- // If true, part of a multipart message was already received, but
- // there are following parts still waiting.
- bool more;
-
sub_t (const sub_t&);
- void operator = (const sub_t&);
+ const sub_t &operator = (const sub_t&);
};
}
diff --git a/src/msg_store.cpp b/src/swap.cpp
index aaf6dbe..936f30e 100644
--- a/src/msg_store.cpp
+++ b/src/swap.cpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -35,32 +36,33 @@
#include <sstream>
#include <algorithm>
+#include "swap.hpp"
+#include "config.hpp"
#include "atomic_counter.hpp"
-#include "msg_store.hpp"
#include "err.hpp"
-zmq::msg_store_t::msg_store_t (int64_t filesize_, size_t block_size_) :
+zmq::swap_t::swap_t (int64_t filesize_) :
fd (-1),
filesize (filesize_),
file_pos (0),
write_pos (0),
read_pos (0),
- block_size (block_size_),
+ block_size (swap_block_size),
write_buf_start_addr (0)
{
zmq_assert (filesize > 0);
zmq_assert (block_size > 0);
buf1 = new (std::nothrow) char [block_size];
- zmq_assert (buf1);
+ alloc_assert (buf1);
buf2 = new (std::nothrow) char [block_size];
- zmq_assert (buf2);
+ alloc_assert (buf2);
read_buf = write_buf = buf1;
}
-zmq::msg_store_t::~msg_store_t ()
+zmq::swap_t::~swap_t ()
{
delete [] buf1;
delete [] buf2;
@@ -83,7 +85,7 @@ zmq::msg_store_t::~msg_store_t ()
errno_assert (rc == 0);
}
-int zmq::msg_store_t::init ()
+int zmq::swap_t::init ()
{
static zmq::atomic_counter_t seqnum (0);
@@ -116,7 +118,7 @@ int zmq::msg_store_t::init ()
return 0;
}
-bool zmq::msg_store_t::store (zmq_msg_t *msg_)
+bool zmq::swap_t::store (zmq_msg_t *msg_)
{
size_t msg_size = zmq_msg_size (msg_);
@@ -138,7 +140,7 @@ bool zmq::msg_store_t::store (zmq_msg_t *msg_)
return true;
}
-void zmq::msg_store_t::fetch (zmq_msg_t *msg_)
+void zmq::swap_t::fetch (zmq_msg_t *msg_)
{
// There must be at least one message available.
zmq_assert (read_pos != write_pos);
@@ -157,12 +159,12 @@ void zmq::msg_store_t::fetch (zmq_msg_t *msg_)
copy_from_file (zmq_msg_data (msg_), msg_size);
}
-void zmq::msg_store_t::commit ()
+void zmq::swap_t::commit ()
{
commit_pos = write_pos;
}
-void zmq::msg_store_t::rollback ()
+void zmq::swap_t::rollback ()
{
if (commit_pos == write_pos || read_pos == write_pos)
return;
@@ -183,17 +185,30 @@ void zmq::msg_store_t::rollback ()
write_pos = commit_pos;
}
-bool zmq::msg_store_t::empty ()
+bool zmq::swap_t::empty ()
{
return read_pos == write_pos;
}
-bool zmq::msg_store_t::full ()
+/*
+bool zmq::swap_t::full ()
{
- return buffer_space () == 1;
+ // Check that at least the message size can be written to the swap.
+ return buffer_space () < (int64_t) (sizeof (size_t) + 1);
}
+*/
+
+bool zmq::swap_t::fits (zmq_msg_t *msg_)
+{
+ // Check whether whole binary representation of the message
+ // fits into the swap.
+ size_t msg_size = zmq_msg_size (msg_);
+ if (buffer_space () <= (int64_t) (sizeof msg_size + 1 + msg_size))
+ return false;
+ return true;
+ }
-void zmq::msg_store_t::copy_from_file (void *buffer_, size_t count_)
+void zmq::swap_t::copy_from_file (void *buffer_, size_t count_)
{
char *dest_ptr = (char *) buffer_;
size_t chunk_size, remainder = count_;
@@ -217,7 +232,7 @@ void zmq::msg_store_t::copy_from_file (void *buffer_, size_t count_)
}
}
-void zmq::msg_store_t::copy_to_file (const void *buffer_, size_t count_)
+void zmq::swap_t::copy_to_file (const void *buffer_, size_t count_)
{
char *source_ptr = (char *) buffer_;
size_t chunk_size, remainder = count_;
@@ -246,7 +261,7 @@ void zmq::msg_store_t::copy_to_file (const void *buffer_, size_t count_)
}
}
-void zmq::msg_store_t::fill_buf (char *buf, int64_t pos)
+void zmq::swap_t::fill_buf (char *buf, int64_t pos)
{
if (file_pos != pos) {
#ifdef ZMQ_HAVE_WINDOWS
@@ -264,7 +279,8 @@ void zmq::msg_store_t::fill_buf (char *buf, int64_t pos)
#ifdef ZMQ_HAVE_WINDOWS
int rc = _read (fd, &buf [octets_stored], octets_total - octets_stored);
#else
- ssize_t rc = read (fd, &buf [octets_stored], octets_total - octets_stored);
+ ssize_t rc = read (fd, &buf [octets_stored],
+ octets_total - octets_stored);
#endif
errno_assert (rc > 0);
octets_stored += rc;
@@ -272,7 +288,7 @@ void zmq::msg_store_t::fill_buf (char *buf, int64_t pos)
file_pos += octets_total;
}
-void zmq::msg_store_t::save_write_buf ()
+void zmq::swap_t::save_write_buf ()
{
if (file_pos != write_buf_start_addr) {
#ifdef ZMQ_HAVE_WINDOWS
@@ -288,9 +304,11 @@ void zmq::msg_store_t::save_write_buf ()
while (octets_stored < octets_total) {
#ifdef ZMQ_HAVE_WINDOWS
- int rc = _write (fd, &write_buf [octets_stored], octets_total - octets_stored);
+ int rc = _write (fd, &write_buf [octets_stored],
+ octets_total - octets_stored);
#else
- ssize_t rc = write (fd, &write_buf [octets_stored], octets_total - octets_stored);
+ ssize_t rc = write (fd, &write_buf [octets_stored],
+ octets_total - octets_stored);
#endif
errno_assert (rc > 0);
octets_stored += rc;
@@ -298,7 +316,7 @@ void zmq::msg_store_t::save_write_buf ()
file_pos += octets_total;
}
-int64_t zmq::msg_store_t::buffer_space ()
+int64_t zmq::swap_t::buffer_space ()
{
if (write_pos < read_pos)
return read_pos - write_pos;
diff --git a/src/msg_store.hpp b/src/swap.hpp
index 765fc60..ad2bcc3 100644
--- a/src/msg_store.hpp
+++ b/src/swap.hpp
@@ -1,24 +1,25 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#ifndef __ZMQ_MSG_STORE_HPP_INCLUDED__
-#define __ZMQ_MSG_STORE_HPP_INCLUDED__
+#ifndef __ZMQ_SWAP_HPP_INCLUDED__
+#define __ZMQ_SWAP_HPP_INCLUDED__
#include "../include/zmq.h"
@@ -28,39 +29,43 @@
namespace zmq
{
- // This class implements a message store. Messages are retrieved from
- // the store in the same order as they entered it.
+ // This class implements a message swap. Messages are retrieved from
+ // the swap in the same order as they entered it.
- class msg_store_t
+ class swap_t
{
public:
enum { default_block_size = 8192 };
- // Creates message store.
- msg_store_t (int64_t filesize_, size_t block_size_ = default_block_size);
+ // Creates the swap.
+ swap_t (int64_t filesize_);
- ~msg_store_t ();
+ ~swap_t ();
int init ();
- // Stores the message into the message store. The function
- // returns false if the message store is full; true otherwise.
+ // Stores the message into the swap. The function
+ // returns false if the swap is full; true otherwise.
bool store (zmq_msg_t *msg_);
- // Fetches the oldest message from the message store. It is an error
- // to call this function when the message store is empty.
+ // Fetches the oldest message from the swap. It is an error
+ // to call this function when the swap is empty.
void fetch (zmq_msg_t *msg_);
void commit ();
void rollback ();
- // Returns true if the message store is empty; false otherwise.
+ // Returns true if the swap is empty; false otherwise.
bool empty ();
- // Returns true if and only if the store is full.
- bool full ();
+
+// // Returns true if and only if the swap is full.
+// bool full ();
+
+ // Returns true if the message fits into swap.
+ bool fits (zmq_msg_t *msg_);
private:
@@ -107,6 +112,10 @@ namespace zmq
char *write_buf;
int64_t write_buf_start_addr;
+
+ // Disable copying of the swap object.
+ swap_t (const swap_t&);
+ const swap_t &operator = (const swap_t&);
};
}
diff --git a/src/tcp_connecter.cpp b/src/tcp_connecter.cpp
index dee71be..0c1581d 100644
--- a/src/tcp_connecter.cpp
+++ b/src/tcp_connecter.cpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
diff --git a/src/tcp_connecter.hpp b/src/tcp_connecter.hpp
index f1a124f..06641e5 100644
--- a/src/tcp_connecter.hpp
+++ b/src/tcp_connecter.hpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -72,7 +73,7 @@ namespace zmq
fd_t s;
tcp_connecter_t (const tcp_connecter_t&);
- void operator = (const tcp_connecter_t&);
+ const tcp_connecter_t &operator = (const tcp_connecter_t&);
};
}
diff --git a/src/tcp_listener.cpp b/src/tcp_listener.cpp
index a62bc04..205ddc1 100644
--- a/src/tcp_listener.cpp
+++ b/src/tcp_listener.cpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -30,6 +31,7 @@
#ifdef ZMQ_HAVE_WINDOWS
zmq::tcp_listener_t::tcp_listener_t () :
+ has_file (false),
s (retired_fd)
{
memset (&addr, 0, sizeof (addr));
@@ -42,7 +44,8 @@ zmq::tcp_listener_t::~tcp_listener_t ()
close ();
}
-int zmq::tcp_listener_t::set_address (const char *protocol_, const char *addr_)
+int zmq::tcp_listener_t::set_address (const char *protocol_, const char *addr_,
+ int backlog_)
{
// IPC protocol is not supported on Windows platform.
if (strcmp (protocol_, "tcp") != 0 ) {
@@ -81,7 +84,7 @@ int zmq::tcp_listener_t::set_address (const char *protocol_, const char *addr_)
}
// Listen for incomming connections.
- rc = listen (s, 1);
+ rc = listen (s, backlog_);
if (rc == SOCKET_ERROR) {
wsa_error_to_errno ();
return -1;
@@ -150,6 +153,7 @@ zmq::fd_t zmq::tcp_listener_t::accept ()
#endif
zmq::tcp_listener_t::tcp_listener_t () :
+ has_file (false),
s (retired_fd)
{
memset (&addr, 0, sizeof (addr));
@@ -161,7 +165,8 @@ zmq::tcp_listener_t::~tcp_listener_t ()
close ();
}
-int zmq::tcp_listener_t::set_address (const char *protocol_, const char *addr_)
+int zmq::tcp_listener_t::set_address (const char *protocol_, const char *addr_,
+ int backlog_)
{
if (strcmp (protocol_, "tcp") == 0 ) {
@@ -196,14 +201,20 @@ int zmq::tcp_listener_t::set_address (const char *protocol_, const char *addr_)
// Bind the socket to the network interface and port.
rc = bind (s, (struct sockaddr*) &addr, addr_len);
if (rc != 0) {
- close ();
+ int err = errno;
+ if (close () != 0)
+ return -1;
+ errno = err;
return -1;
}
// Listen for incomming connections.
- rc = listen (s, tcp_connection_backlog);
+ rc = listen (s, backlog_);
if (rc != 0) {
- close ();
+ int err = errno;
+ if (close () != 0)
+ return -1;
+ errno = err;
return -1;
}
@@ -234,16 +245,23 @@ int zmq::tcp_listener_t::set_address (const char *protocol_, const char *addr_)
errno_assert (rc != -1);
// Bind the socket to the file path.
- rc = bind (s, (struct sockaddr*) &addr, sizeof (sockaddr_un));
+ rc = bind (s, (struct sockaddr*) &addr, addr_len);
if (rc != 0) {
- close ();
+ int err = errno;
+ if (close () != 0)
+ return -1;
+ errno = err;
return -1;
}
+ has_file = true;
// Listen for incomming connections.
- rc = listen (s, tcp_connection_backlog);
+ rc = listen (s, backlog_);
if (rc != 0) {
- close ();
+ int err = errno;
+ if (close () != 0)
+ return -1;
+ errno = err;
return -1;
}
@@ -268,7 +286,7 @@ int zmq::tcp_listener_t::close ()
// If there's an underlying UNIX domain socket, get rid of the file it
// is associated with.
struct sockaddr_un *su = (struct sockaddr_un*) &addr;
- if (AF_UNIX == su->sun_family) {
+ if (AF_UNIX == su->sun_family && has_file) {
rc = ::unlink(su->sun_path);
if (rc != 0)
return -1;
diff --git a/src/tcp_listener.hpp b/src/tcp_listener.hpp
index 3b60719..27e3092 100644
--- a/src/tcp_listener.hpp
+++ b/src/tcp_listener.hpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -36,7 +37,8 @@ namespace zmq
~tcp_listener_t ();
// Start listening on the interface.
- int set_address (const char *protocol_, const char *addr_);
+ int set_address (const char *protocol_, const char *addr_,
+ int backlog_);
// Close the listening socket.
int close ();
@@ -56,11 +58,14 @@ namespace zmq
sockaddr_storage addr;
socklen_t addr_len;
+ // True, if the undelying file for UNIX domain socket exists.
+ bool has_file;
+
// Underlying socket.
fd_t s;
tcp_listener_t (const tcp_listener_t&);
- void operator = (const tcp_listener_t&);
+ const tcp_listener_t &operator = (const tcp_listener_t&);
};
}
diff --git a/src/tcp_socket.cpp b/src/tcp_socket.cpp
index c83bba6..f1b1d19 100644
--- a/src/tcp_socket.cpp
+++ b/src/tcp_socket.cpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
diff --git a/src/tcp_socket.hpp b/src/tcp_socket.hpp
index 3aae060..3cb5739 100644
--- a/src/tcp_socket.hpp
+++ b/src/tcp_socket.hpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -63,7 +64,7 @@ namespace zmq
// Disable copy construction of tcp_socket.
tcp_socket_t (const tcp_socket_t&);
- void operator = (const tcp_socket_t&);
+ const tcp_socket_t &operator = (const tcp_socket_t&);
};
}
diff --git a/src/thread.cpp b/src/thread.cpp
index 602ca8b..12a72e2 100644
--- a/src/thread.cpp
+++ b/src/thread.cpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -23,12 +24,22 @@
#ifdef ZMQ_HAVE_WINDOWS
+extern "C"
+{
+ static unsigned int __stdcall thread_routine (void *arg_)
+ {
+ zmq::thread_t *self = (zmq::thread_t*) arg_;
+ self->tfn (self->arg);
+ return 0;
+ }
+}
+
void zmq::thread_t::start (thread_fn *tfn_, void *arg_)
{
tfn = tfn_;
arg =arg_;
descriptor = (HANDLE) _beginthreadex (NULL, 0,
- &zmq::thread_t::thread_routine, this, 0 , NULL);
+ &::thread_routine, this, 0 , NULL);
win_assert (descriptor != NULL);
}
@@ -38,27 +49,30 @@ void zmq::thread_t::stop ()
win_assert (rc != WAIT_FAILED);
}
-zmq::thread_t::id_t zmq::thread_t::id ()
-{
- return GetCurrentThreadId ();
-}
+#else
-bool zmq::thread_t::equal (id_t id1_, id_t id2_)
-{
- return id1_ == id2_;
-}
+#include <signal.h>
-unsigned int __stdcall zmq::thread_t::thread_routine (void *arg_)
+extern "C"
{
- thread_t *self = (thread_t*) arg_;
- self->tfn (self->arg);
- return 0;
+ static void *thread_routine (void *arg_)
+ {
+ #if !defined ZMQ_HAVE_OPENVMS
+ // Following code will guarantee more predictable latecnies as it'll
+ // disallow any signal handling in the I/O thread.
+ sigset_t signal_set;
+ int rc = sigfillset (&signal_set);
+ errno_assert (rc == 0);
+ rc = pthread_sigmask (SIG_BLOCK, &signal_set, NULL);
+ errno_assert (rc == 0);
+ #endif
+
+ zmq::thread_t *self = (zmq::thread_t*) arg_;
+ self->tfn (self->arg);
+ return NULL;
+ }
}
-#else
-
-#include <signal.h>
-
void zmq::thread_t::start (thread_fn *tfn_, void *arg_)
{
tfn = tfn_;
@@ -73,33 +87,6 @@ void zmq::thread_t::stop ()
errno_assert (rc == 0);
}
-zmq::thread_t::id_t zmq::thread_t::id ()
-{
- return pthread_self ();
-}
-
-bool zmq::thread_t::equal (id_t id1_, id_t id2_)
-{
- return pthread_equal (id1_, id2_) != 0;
-}
-
-void *zmq::thread_t::thread_routine (void *arg_)
-{
-#if !defined ZMQ_HAVE_OPENVMS
- // Following code will guarantee more predictable latecnies as it'll
- // disallow any signal handling in the I/O thread.
- sigset_t signal_set;
- int rc = sigfillset (&signal_set);
- errno_assert (rc == 0);
- rc = pthread_sigmask (SIG_BLOCK, &signal_set, NULL);
- errno_assert (rc == 0);
-#endif
-
- thread_t *self = (thread_t*) arg_;
- self->tfn (self->arg);
- return NULL;
-}
-
#endif
diff --git a/src/thread.hpp b/src/thread.hpp
index 432770c..f3f5f8d 100644
--- a/src/thread.hpp
+++ b/src/thread.hpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -55,30 +56,21 @@ namespace zmq
// Waits for thread termination.
void stop ();
-#ifdef ZMQ_HAVE_WINDOWS
- typedef DWORD id_t;
-#else
- typedef pthread_t id_t;
-#endif
-
- static id_t id ();
- static bool equal (id_t id1_, id_t id2_);
+ // These are internal members. They should be private, however then
+ // they would not be accessible from the main C routine of the thread.
+ thread_fn *tfn;
+ void *arg;
private:
#ifdef ZMQ_HAVE_WINDOWS
- static unsigned int __stdcall thread_routine (void *arg_);
HANDLE descriptor;
#else
- static void *thread_routine (void *arg_);
pthread_t descriptor;
#endif
- thread_fn *tfn;
- void *arg;
-
thread_t (const thread_t&);
- void operator = (const thread_t&);
+ const thread_t &operator = (const thread_t&);
};
}
diff --git a/src/transient_session.cpp b/src/transient_session.cpp
new file mode 100644
index 0000000..a08f541
--- /dev/null
+++ b/src/transient_session.cpp
@@ -0,0 +1,41 @@
+/*
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+
+ This file is part of 0MQ.
+
+ 0MQ is free software; you can redistribute it and/or modify it under
+ the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ 0MQ is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "transient_session.hpp"
+
+zmq::transient_session_t::transient_session_t (class io_thread_t *io_thread_,
+ class socket_base_t *socket_, const options_t &options_) :
+ session_t (io_thread_, socket_, options_)
+{
+}
+
+zmq::transient_session_t::~transient_session_t ()
+{
+}
+
+void zmq::transient_session_t::attached (const blob_t &peer_identity_)
+{
+}
+
+void zmq::transient_session_t::detached ()
+{
+ // There's no way to reestablish a transient session. Tear it down.
+ terminate ();
+}
diff --git a/src/transient_session.hpp b/src/transient_session.hpp
new file mode 100644
index 0000000..03f058d
--- /dev/null
+++ b/src/transient_session.hpp
@@ -0,0 +1,52 @@
+/*
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+
+ This file is part of 0MQ.
+
+ 0MQ is free software; you can redistribute it and/or modify it under
+ the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ 0MQ is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __ZMQ_TRANSIENT_SESSION_HPP_INCLUDED__
+#define __ZMQ_TRANSIENT_SESSION_HPP_INCLUDED__
+
+#include "session.hpp"
+
+namespace zmq
+{
+
+ // Transient session is created by the listener when the connected peer
+ // stays anonymous. Transient session is destroyed on disconnect.
+
+ class transient_session_t : public session_t
+ {
+ public:
+
+ transient_session_t (class io_thread_t *io_thread_,
+ class socket_base_t *socket_, const options_t &options_);
+ ~transient_session_t ();
+
+ private:
+
+ // Handlers for events from session base class.
+ void attached (const blob_t &peer_identity_);
+ void detached ();
+
+ transient_session_t (const transient_session_t&);
+ const transient_session_t &operator = (const transient_session_t&);
+ };
+
+}
+
+#endif
diff --git a/src/prefix_tree.cpp b/src/trie.cpp
index 6d4f084..4198ff3 100644
--- a/src/prefix_tree.cpp
+++ b/src/trie.cpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -28,16 +29,16 @@
#endif
#include "err.hpp"
-#include "prefix_tree.hpp"
+#include "trie.hpp"
-zmq::prefix_tree_t::prefix_tree_t () :
+zmq::trie_t::trie_t () :
refcnt (0),
min (0),
count (0)
{
}
-zmq::prefix_tree_t::~prefix_tree_t ()
+zmq::trie_t::~trie_t ()
{
if (count == 1)
delete next.node;
@@ -49,7 +50,7 @@ zmq::prefix_tree_t::~prefix_tree_t ()
}
}
-void zmq::prefix_tree_t::add (unsigned char *prefix_, size_t size_)
+void zmq::trie_t::add (unsigned char *prefix_, size_t size_)
{
// We are at the node corresponding to the prefix. We are done.
if (!size_) {
@@ -69,11 +70,11 @@ void zmq::prefix_tree_t::add (unsigned char *prefix_, size_t size_)
}
else if (count == 1) {
unsigned char oldc = min;
- prefix_tree_t *oldp = next.node;
+ trie_t *oldp = next.node;
count = (min < c ? c - min : min - c) + 1;
- next.table = (prefix_tree_t**)
- malloc (sizeof (prefix_tree_t*) * count);
- zmq_assert (next.table);
+ next.table = (trie_t**)
+ malloc (sizeof (trie_t*) * count);
+ alloc_assert (next.table);
for (unsigned short i = 0; i != count; ++i)
next.table [i] = 0;
min = std::min (min, c);
@@ -84,8 +85,8 @@ void zmq::prefix_tree_t::add (unsigned char *prefix_, size_t size_)
// The new character is above the current character range.
unsigned short old_count = count;
count = c - min + 1;
- next.table = (prefix_tree_t**) realloc ((void*) next.table,
- sizeof (prefix_tree_t*) * count);
+ next.table = (trie_t**) realloc ((void*) next.table,
+ sizeof (trie_t*) * count);
zmq_assert (next.table);
for (unsigned short i = old_count; i != count; i++)
next.table [i] = NULL;
@@ -95,11 +96,11 @@ void zmq::prefix_tree_t::add (unsigned char *prefix_, size_t size_)
// The new character is below the current character range.
unsigned short old_count = count;
count = (min + old_count) - c;
- next.table = (prefix_tree_t**) realloc ((void*) next.table,
- sizeof (prefix_tree_t*) * count);
+ next.table = (trie_t**) realloc ((void*) next.table,
+ sizeof (trie_t*) * count);
zmq_assert (next.table);
memmove (next.table + min - c, next.table,
- old_count * sizeof (prefix_tree_t*));
+ old_count * sizeof (trie_t*));
for (unsigned short i = 0; i != min - c; i++)
next.table [i] = NULL;
min = c;
@@ -109,21 +110,21 @@ void zmq::prefix_tree_t::add (unsigned char *prefix_, size_t size_)
// If next node does not exist, create one.
if (count == 1) {
if (!next.node) {
- next.node = new (std::nothrow) prefix_tree_t;
- zmq_assert (next.node);
+ next.node = new (std::nothrow) trie_t;
+ alloc_assert (next.node);
}
next.node->add (prefix_ + 1, size_ - 1);
}
else {
if (!next.table [c - min]) {
- next.table [c - min] = new (std::nothrow) prefix_tree_t;
- zmq_assert (next.table [c - min]);
+ next.table [c - min] = new (std::nothrow) trie_t;
+ alloc_assert (next.table [c - min]);
}
next.table [c - min]->add (prefix_ + 1, size_ - 1);
}
}
-bool zmq::prefix_tree_t::rm (unsigned char *prefix_, size_t size_)
+bool zmq::trie_t::rm (unsigned char *prefix_, size_t size_)
{
if (!size_) {
if (!refcnt)
@@ -136,7 +137,7 @@ bool zmq::prefix_tree_t::rm (unsigned char *prefix_, size_t size_)
if (!count || c < min || c >= min + count)
return false;
- prefix_tree_t *next_node =
+ trie_t *next_node =
count == 1 ? next.node : next.table [c - min];
if (!next_node)
@@ -145,11 +146,11 @@ bool zmq::prefix_tree_t::rm (unsigned char *prefix_, size_t size_)
return next_node->rm (prefix_ + 1, size_ - 1);
}
-bool zmq::prefix_tree_t::check (unsigned char *data_, size_t size_)
+bool zmq::trie_t::check (unsigned char *data_, size_t size_)
{
// This function is on critical path. It deliberately doesn't use
// recursion to get a bit better performance.
- prefix_tree_t *current = this;
+ trie_t *current = this;
while (true) {
// We've found a corresponding subscription!
diff --git a/src/prefix_tree.hpp b/src/trie.hpp
index bf1c4b9..dbf1cb1 100644
--- a/src/prefix_tree.hpp
+++ b/src/trie.hpp
@@ -1,24 +1,25 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#ifndef __ZMQ_PREFIX_TREE_HPP_INCLUDED__
-#define __ZMQ_PREFIX_TREE_HPP_INCLUDED__
+#ifndef __ZMQ_TRIE_HPP_INCLUDED__
+#define __ZMQ_TRIE_HPP_INCLUDED__
#include <stddef.h>
@@ -27,12 +28,12 @@
namespace zmq
{
- class prefix_tree_t
+ class trie_t
{
public:
- prefix_tree_t ();
- ~prefix_tree_t ();
+ trie_t ();
+ ~trie_t ();
void add (unsigned char *prefix_, size_t size_);
bool rm (unsigned char *prefix_, size_t size_);
@@ -44,9 +45,12 @@ namespace zmq
unsigned char min;
unsigned short count;
union {
- class prefix_tree_t *node;
- class prefix_tree_t **table;
+ class trie_t *node;
+ class trie_t **table;
} next;
+
+ trie_t (const trie_t&);
+ const trie_t &operator = (const trie_t&);
};
}
diff --git a/src/uuid.cpp b/src/uuid.cpp
index a119be0..d8cc2e8 100644
--- a/src/uuid.cpp
+++ b/src/uuid.cpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -29,13 +30,6 @@ zmq::uuid_t::uuid_t ()
ret = UuidToString (&uuid, &string_buf);
zmq_assert (ret == RPC_S_OK);
- /*
- HRESULT hr = CoCreateGUID (&uuid);
- zmq_assert (hr == S_OK);
- int rc = StringFromGUID2 (uuid, string_buf, 40);
- zmq_assert (rc != 0);
- */
-
create_blob ();
}
diff --git a/src/uuid.hpp b/src/uuid.hpp
index a528baf..5eab6c8 100644
--- a/src/uuid.hpp
+++ b/src/uuid.hpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
diff --git a/src/windows.hpp b/src/windows.hpp
index 8fc98b0..5133875 100644
--- a/src/windows.hpp
+++ b/src/windows.hpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
diff --git a/src/wire.hpp b/src/wire.hpp
index 9534cf6..bc9dfe5 100644
--- a/src/wire.hpp
+++ b/src/wire.hpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
diff --git a/src/xpub.cpp b/src/xpub.cpp
new file mode 100644
index 0000000..ed56183
--- /dev/null
+++ b/src/xpub.cpp
@@ -0,0 +1,76 @@
+/*
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+
+ This file is part of 0MQ.
+
+ 0MQ is free software; you can redistribute it and/or modify it under
+ the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ 0MQ is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "../include/zmq.h"
+
+#include "xpub.hpp"
+#include "err.hpp"
+#include "pipe.hpp"
+
+zmq::xpub_t::xpub_t (class ctx_t *parent_, uint32_t tid_) :
+ socket_base_t (parent_, tid_),
+ dist (this)
+{
+ options.type = ZMQ_XPUB;
+ options.requires_in = false;
+ options.requires_out = true;
+}
+
+zmq::xpub_t::~xpub_t ()
+{
+}
+
+void zmq::xpub_t::xattach_pipes (class reader_t *inpipe_,
+ class writer_t *outpipe_, const blob_t &peer_identity_)
+{
+ zmq_assert (!inpipe_ && outpipe_);
+ dist.attach (outpipe_);
+}
+
+void zmq::xpub_t::process_term (int linger_)
+{
+ // Terminate the outbound pipes.
+ dist.terminate ();
+
+ // Continue with the termination immediately.
+ socket_base_t::process_term (linger_);
+}
+
+int zmq::xpub_t::xsend (zmq_msg_t *msg_, int flags_)
+{
+ return dist.send (msg_, flags_);
+}
+
+bool zmq::xpub_t::xhas_out ()
+{
+ return dist.has_out ();
+}
+
+int zmq::xpub_t::xrecv (zmq_msg_t *msg_, int flags_)
+{
+ errno = EAGAIN;
+ return -1;
+}
+
+bool zmq::xpub_t::xhas_in ()
+{
+ return false;
+}
+
diff --git a/src/xpub.hpp b/src/xpub.hpp
new file mode 100644
index 0000000..e945198
--- /dev/null
+++ b/src/xpub.hpp
@@ -0,0 +1,61 @@
+/*
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+
+ This file is part of 0MQ.
+
+ 0MQ is free software; you can redistribute it and/or modify it under
+ the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ 0MQ is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __ZMQ_XPUB_HPP_INCLUDED__
+#define __ZMQ_XPUB_HPP_INCLUDED__
+
+#include "socket_base.hpp"
+#include "array.hpp"
+#include "pipe.hpp"
+#include "dist.hpp"
+
+namespace zmq
+{
+
+ class xpub_t : public socket_base_t
+ {
+ public:
+
+ xpub_t (class ctx_t *parent_, uint32_t tid_);
+ ~xpub_t ();
+
+ // Implementations of virtual functions from socket_base_t.
+ void xattach_pipes (class reader_t *inpipe_, class writer_t *outpipe_,
+ const blob_t &peer_identity_);
+ int xsend (zmq_msg_t *msg_, int flags_);
+ bool xhas_out ();
+ int xrecv (zmq_msg_t *msg_, int flags_);
+ bool xhas_in ();
+
+ private:
+
+ // Hook into the termination process.
+ void process_term (int linger_);
+
+ // Distributor of messages holding the list of outbound pipes.
+ dist_t dist;
+
+ xpub_t (const xpub_t&);
+ const xpub_t &operator = (const xpub_t&);
+ };
+
+}
+
+#endif
diff --git a/src/xrep.cpp b/src/xrep.cpp
index f50e32e..7f0da4d 100644
--- a/src/xrep.cpp
+++ b/src/xrep.cpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -23,14 +24,16 @@
#include "err.hpp"
#include "pipe.hpp"
-zmq::xrep_t::xrep_t (class app_thread_t *parent_) :
- socket_base_t (parent_),
+zmq::xrep_t::xrep_t (class ctx_t *parent_, uint32_t tid_) :
+ socket_base_t (parent_, tid_),
current_in (0),
prefetched (false),
more_in (false),
current_out (NULL),
- more_out (false)
+ more_out (false),
+ terminating (false)
{
+ options.type = ZMQ_XREP;
options.requires_in = true;
options.requires_out = true;
@@ -41,42 +44,76 @@ zmq::xrep_t::xrep_t (class app_thread_t *parent_) :
zmq::xrep_t::~xrep_t ()
{
- for (inpipes_t::iterator it = inpipes.begin (); it != inpipes.end (); it++)
- it->reader->term ();
- for (outpipes_t::iterator it = outpipes.begin (); it != outpipes.end ();
- it++)
- it->second.writer->term ();
+ zmq_assert (inpipes.empty ());
+ zmq_assert (outpipes.empty ());
+}
+
+void zmq::xrep_t::xattach_pipes (reader_t *inpipe_, writer_t *outpipe_,
+ const blob_t &peer_identity_)
+{
+ if (outpipe_) {
+
+ outpipe_->set_event_sink (this);
+
+ // TODO: What if new connection has same peer identity as the old one?
+ outpipe_t outpipe = {outpipe_, true};
+ bool ok = outpipes.insert (outpipes_t::value_type (
+ peer_identity_, outpipe)).second;
+ zmq_assert (ok);
+
+ if (terminating) {
+ register_term_acks (1);
+ outpipe_->terminate ();
+ }
+ }
+
+ if (inpipe_) {
+
+ inpipe_->set_event_sink (this);
+
+ inpipe_t inpipe = {inpipe_, peer_identity_, true};
+ inpipes.push_back (inpipe);
+
+ if (terminating) {
+ register_term_acks (1);
+ inpipe_->terminate ();
+ }
+ }
}
-void zmq::xrep_t::xattach_pipes (class reader_t *inpipe_,
- class writer_t *outpipe_, const blob_t &peer_identity_)
+void zmq::xrep_t::process_term (int linger_)
{
- zmq_assert (inpipe_ && outpipe_);
+ terminating = true;
- // TODO: What if new connection has same peer identity as the old one?
- outpipe_t outpipe = {outpipe_, true};
- bool ok = outpipes.insert (std::make_pair (
- peer_identity_, outpipe)).second;
- zmq_assert (ok);
+ register_term_acks (inpipes.size () + outpipes.size ());
- inpipe_t inpipe = {inpipe_, peer_identity_, true};
- inpipes.push_back (inpipe);
+ for (inpipes_t::iterator it = inpipes.begin (); it != inpipes.end ();
+ ++it)
+ it->reader->terminate ();
+ for (outpipes_t::iterator it = outpipes.begin (); it != outpipes.end ();
+ ++it)
+ it->second.writer->terminate ();
+
+ socket_base_t::process_term (linger_);
}
-void zmq::xrep_t::xdetach_inpipe (class reader_t *pipe_)
+void zmq::xrep_t::terminated (reader_t *pipe_)
{
-// TODO:!
for (inpipes_t::iterator it = inpipes.begin (); it != inpipes.end ();
- it++) {
+ ++it) {
if (it->reader == pipe_) {
inpipes.erase (it);
+ if (terminating)
+ unregister_term_ack ();
+ if (current_in >= inpipes.size ())
+ current_in = 0;
return;
}
}
zmq_assert (false);
}
-void zmq::xrep_t::xdetach_outpipe (class writer_t *pipe_)
+void zmq::xrep_t::terminated (writer_t *pipe_)
{
for (outpipes_t::iterator it = outpipes.begin ();
it != outpipes.end (); ++it) {
@@ -84,29 +121,22 @@ void zmq::xrep_t::xdetach_outpipe (class writer_t *pipe_)
outpipes.erase (it);
if (pipe_ == current_out)
current_out = NULL;
+ if (terminating)
+ unregister_term_ack ();
return;
}
}
zmq_assert (false);
}
-void zmq::xrep_t::xkill (class reader_t *pipe_)
+void zmq::xrep_t::delimited (reader_t *pipe_)
{
- for (inpipes_t::iterator it = inpipes.begin (); it != inpipes.end ();
- it++) {
- if (it->reader == pipe_) {
- zmq_assert (it->active);
- it->active = false;
- return;
- }
- }
- zmq_assert (false);
}
-void zmq::xrep_t::xrevive (class reader_t *pipe_)
+void zmq::xrep_t::activated (reader_t *pipe_)
{
for (inpipes_t::iterator it = inpipes.begin (); it != inpipes.end ();
- it++) {
+ ++it) {
if (it->reader == pipe_) {
zmq_assert (!it->active);
it->active = true;
@@ -116,7 +146,7 @@ void zmq::xrep_t::xrevive (class reader_t *pipe_)
zmq_assert (false);
}
-void zmq::xrep_t::xrevive (class writer_t *pipe_)
+void zmq::xrep_t::activated (writer_t *pipe_)
{
for (outpipes_t::iterator it = outpipes.begin ();
it != outpipes.end (); ++it) {
@@ -129,13 +159,6 @@ void zmq::xrep_t::xrevive (class writer_t *pipe_)
zmq_assert (false);
}
-int zmq::xrep_t::xsetsockopt (int option_, const void *optval_,
- size_t optvallen_)
-{
- errno = EINVAL;
- return -1;
-}
-
int zmq::xrep_t::xsend (zmq_msg_t *msg_, int flags_)
{
// If this is the first part of the message it's the identity of the
@@ -144,23 +167,40 @@ int zmq::xrep_t::xsend (zmq_msg_t *msg_, int flags_)
zmq_assert (!current_out);
// If we have malformed message (prefix with no subsequent message)
- // then just silently drop the message.
- if ((msg_->flags & ZMQ_MSG_MORE) == 0)
- return 0;
+ // then just silently ignore it.
+ if (msg_->flags & ZMQ_MSG_MORE) {
- more_out = true;
+ more_out = true;
- // Find the pipe associated with the identity stored in the prefix.
- // If there's no such pipe just silently drop the message.
- blob_t identity ((unsigned char*) zmq_msg_data (msg_),
- zmq_msg_size (msg_));
- outpipes_t::iterator it = outpipes.find (identity);
- if (it == outpipes.end ())
- return 0;
-
- // Remember the outgoing pipe.
- current_out = it->second.writer;
+ // Find the pipe associated with the identity stored in the prefix.
+ // If there's no such pipe just silently ignore the message.
+ blob_t identity ((unsigned char*) zmq_msg_data (msg_),
+ zmq_msg_size (msg_));
+ outpipes_t::iterator it = outpipes.find (identity);
+
+ if (it != outpipes.end ()) {
+ current_out = it->second.writer;
+ zmq_msg_t empty;
+ int rc = zmq_msg_init (&empty);
+ zmq_assert (rc == 0);
+ if (!current_out->check_write (&empty)) {
+ it->second.active = false;
+ more_out = false;
+ current_out = NULL;
+ rc = zmq_msg_close (&empty);
+ zmq_assert (rc == 0);
+ errno = EAGAIN;
+ return -1;
+ }
+ rc = zmq_msg_close (&empty);
+ zmq_assert (rc == 0);
+ }
+ }
+ int rc = zmq_msg_close (msg_);
+ zmq_assert (rc == 0);
+ rc = zmq_msg_init (msg_);
+ zmq_assert (rc == 0);
return 0;
}
@@ -233,7 +273,9 @@ int zmq::xrep_t::xrecv (zmq_msg_t *msg_, int flags_)
return 0;
}
- // If me don't have a message, move to next pipe.
+ // If me don't have a message, mark the pipe as passive and
+ // move to next pipe.
+ inpipes [current_in].active = false;
current_in++;
if (current_in >= inpipes.size ())
current_in = 0;
@@ -260,6 +302,10 @@ bool zmq::xrep_t::xhas_in ()
if (inpipes [current_in].active &&
inpipes [current_in].reader->check_read ())
return true;
+
+ // If me don't have a message, mark the pipe as passive and
+ // move to next pipe.
+ inpipes [current_in].active = false;
current_in++;
if (current_in >= inpipes.size ())
current_in = 0;
diff --git a/src/xrep.hpp b/src/xrep.hpp
index da1b3d8..d7fbe9f 100644
--- a/src/xrep.hpp
+++ b/src/xrep.hpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -25,27 +26,25 @@
#include "socket_base.hpp"
#include "blob.hpp"
+#include "pipe.hpp"
namespace zmq
{
// TODO: This class uses O(n) scheduling. Rewrite it to use O(1) algorithm.
- class xrep_t : public socket_base_t
+ class xrep_t :
+ public socket_base_t,
+ public i_reader_events,
+ public i_writer_events
{
public:
- xrep_t (class app_thread_t *parent_);
+ xrep_t (class ctx_t *parent_, uint32_t tid_);
~xrep_t ();
// Overloads of functions from socket_base_t.
- void xattach_pipes (class reader_t *inpipe_, class writer_t *outpipe_,
+ void xattach_pipes (reader_t *inpipe_, writer_t *outpipe_,
const blob_t &peer_identity_);
- void xdetach_inpipe (class reader_t *pipe_);
- void xdetach_outpipe (class writer_t *pipe_);
- void xkill (class reader_t *pipe_);
- void xrevive (class reader_t *pipe_);
- void xrevive (class writer_t *pipe_);
- int xsetsockopt (int option_, const void *optval_, size_t optvallen_);
int xsend (zmq_msg_t *msg_, int flags_);
int xrecv (zmq_msg_t *msg_, int flags_);
bool xhas_in ();
@@ -53,6 +52,18 @@ namespace zmq
private:
+ // Hook into the termination process.
+ void process_term (int linger_);
+
+ // i_reader_events interface implementation.
+ void activated (reader_t *pipe_);
+ void terminated (reader_t *pipe_);
+ void delimited (reader_t *pipe_);
+
+ // i_writer_events interface implementation.
+ void activated (writer_t *pipe_);
+ void terminated (writer_t *pipe_);
+
struct inpipe_t
{
class reader_t *reader;
@@ -92,8 +103,11 @@ namespace zmq
// If true, more outgoing message parts are expected.
bool more_out;
+ // If true, termination process is already underway.
+ bool terminating;
+
xrep_t (const xrep_t&);
- void operator = (const xrep_t&);
+ const xrep_t &operator = (const xrep_t&);
};
}
diff --git a/src/xreq.cpp b/src/xreq.cpp
index 66e5cc3..96f1bba 100644
--- a/src/xreq.cpp
+++ b/src/xreq.cpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -22,9 +23,12 @@
#include "xreq.hpp"
#include "err.hpp"
-zmq::xreq_t::xreq_t (class app_thread_t *parent_) :
- socket_base_t (parent_)
+zmq::xreq_t::xreq_t (class ctx_t *parent_, uint32_t tid_) :
+ socket_base_t (parent_, tid_),
+ fq (this),
+ lb (this)
{
+ options.type = ZMQ_XREQ;
options.requires_in = true;
options.requires_out = true;
}
@@ -41,38 +45,11 @@ void zmq::xreq_t::xattach_pipes (class reader_t *inpipe_,
lb.attach (outpipe_);
}
-void zmq::xreq_t::xdetach_inpipe (class reader_t *pipe_)
+void zmq::xreq_t::process_term (int linger_)
{
- zmq_assert (pipe_);
- fq.detach (pipe_);
-}
-
-void zmq::xreq_t::xdetach_outpipe (class writer_t *pipe_)
-{
- zmq_assert (pipe_);
- lb.detach (pipe_);
-}
-
-void zmq::xreq_t::xkill (class reader_t *pipe_)
-{
- fq.kill (pipe_);
-}
-
-void zmq::xreq_t::xrevive (class reader_t *pipe_)
-{
- fq.revive (pipe_);
-}
-
-void zmq::xreq_t::xrevive (class writer_t *pipe_)
-{
- lb.revive (pipe_);
-}
-
-int zmq::xreq_t::xsetsockopt (int option_, const void *optval_,
- size_t optvallen_)
-{
- errno = EINVAL;
- return -1;
+ fq.terminate ();
+ lb.terminate ();
+ socket_base_t::process_term (linger_);
}
int zmq::xreq_t::xsend (zmq_msg_t *msg_, int flags_)
diff --git a/src/xreq.hpp b/src/xreq.hpp
index 8ee0bb9..73af21f 100644
--- a/src/xreq.hpp
+++ b/src/xreq.hpp
@@ -1,19 +1,21 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -31,18 +33,14 @@ namespace zmq
{
public:
- xreq_t (class app_thread_t *parent_);
+ xreq_t (class ctx_t *parent_, uint32_t tid_);
~xreq_t ();
+ protected:
+
// Overloads of functions from socket_base_t.
void xattach_pipes (class reader_t *inpipe_, class writer_t *outpipe_,
const blob_t &peer_identity_);
- void xdetach_inpipe (class reader_t *pipe_);
- void xdetach_outpipe (class writer_t *pipe_);
- void xkill (class reader_t *pipe_);
- void xrevive (class reader_t *pipe_);
- void xrevive (class writer_t *pipe_);
- int xsetsockopt (int option_, const void *optval_, size_t optvallen_);
int xsend (zmq_msg_t *msg_, int flags_);
int xrecv (zmq_msg_t *msg_, int flags_);
bool xhas_in ();
@@ -50,13 +48,16 @@ namespace zmq
private:
+ // Hook into the termination process.
+ void process_term (int linger_);
+
// Messages are fair-queued from inbound pipes. And load-balanced to
// the outbound pipes.
fq_t fq;
lb_t lb;
xreq_t (const xreq_t&);
- void operator = (const xreq_t&);
+ const xreq_t &operator = (const xreq_t&);
};
}
diff --git a/src/xsub.cpp b/src/xsub.cpp
new file mode 100644
index 0000000..8c77925
--- /dev/null
+++ b/src/xsub.cpp
@@ -0,0 +1,172 @@
+/*
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+
+ This file is part of 0MQ.
+
+ 0MQ is free software; you can redistribute it and/or modify it under
+ the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ 0MQ is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <string.h>
+
+#include "../include/zmq.h"
+
+#include "xsub.hpp"
+#include "err.hpp"
+
+zmq::xsub_t::xsub_t (class ctx_t *parent_, uint32_t tid_) :
+ socket_base_t (parent_, tid_),
+ fq (this),
+ has_message (false),
+ more (false)
+{
+ options.type = ZMQ_XSUB;
+ options.requires_in = true;
+ options.requires_out = false;
+ zmq_msg_init (&message);
+}
+
+zmq::xsub_t::~xsub_t ()
+{
+ zmq_msg_close (&message);
+}
+
+void zmq::xsub_t::xattach_pipes (class reader_t *inpipe_,
+ class writer_t *outpipe_, const blob_t &peer_identity_)
+{
+ zmq_assert (inpipe_ && !outpipe_);
+ fq.attach (inpipe_);
+}
+
+void zmq::xsub_t::process_term (int linger_)
+{
+ fq.terminate ();
+ socket_base_t::process_term (linger_);
+}
+
+int zmq::xsub_t::xsend (zmq_msg_t *msg_, int options_)
+{
+ size_t size = zmq_msg_size (msg_);
+ unsigned char *data = (unsigned char*) zmq_msg_data (msg_);
+
+ // Malformed subscriptions are dropped silently.
+ if (size >= 1) {
+
+ // Process a subscription.
+ if (*data == 1)
+ subscriptions.add (data + 1, size - 1);
+
+ // Process an unsubscription. Invalid unsubscription is ignored.
+ if (*data == 0)
+ subscriptions.rm (data + 1, size - 1);
+ }
+
+ int rc = zmq_msg_close (msg_);
+ zmq_assert (rc == 0);
+ rc = zmq_msg_init (msg_);
+ zmq_assert (rc == 0);
+ return 0;
+}
+
+bool zmq::xsub_t::xhas_out ()
+{
+ // Subscription can be added/removed anytime.
+ return true;
+}
+
+int zmq::xsub_t::xrecv (zmq_msg_t *msg_, int flags_)
+{
+ // If there's already a message prepared by a previous call to zmq_poll,
+ // return it straight ahead.
+ if (has_message) {
+ zmq_msg_move (msg_, &message);
+ has_message = false;
+ more = msg_->flags & ZMQ_MSG_MORE;
+ return 0;
+ }
+
+ // TODO: This can result in infinite loop in the case of continuous
+ // stream of non-matching messages which breaks the non-blocking recv
+ // semantics.
+ while (true) {
+
+ // Get a message using fair queueing algorithm.
+ int rc = fq.recv (msg_, flags_);
+
+ // If there's no message available, return immediately.
+ // The same when error occurs.
+ if (rc != 0)
+ return -1;
+
+ // Check whether the message matches at least one subscription.
+ // Non-initial parts of the message are passed
+ if (more || match (msg_)) {
+ more = msg_->flags & ZMQ_MSG_MORE;
+ return 0;
+ }
+
+ // Message doesn't match. Pop any remaining parts of the message
+ // from the pipe.
+ while (msg_->flags & ZMQ_MSG_MORE) {
+ rc = fq.recv (msg_, ZMQ_NOBLOCK);
+ zmq_assert (rc == 0);
+ }
+ }
+}
+
+bool zmq::xsub_t::xhas_in ()
+{
+ // There are subsequent parts of the partly-read message available.
+ if (more)
+ return true;
+
+ // If there's already a message prepared by a previous call to zmq_poll,
+ // return straight ahead.
+ if (has_message)
+ return true;
+
+ // TODO: This can result in infinite loop in the case of continuous
+ // stream of non-matching messages.
+ while (true) {
+
+ // Get a message using fair queueing algorithm.
+ int rc = fq.recv (&message, ZMQ_NOBLOCK);
+
+ // If there's no message available, return immediately.
+ // The same when error occurs.
+ if (rc != 0) {
+ zmq_assert (errno == EAGAIN);
+ return false;
+ }
+
+ // Check whether the message matches at least one subscription.
+ if (match (&message)) {
+ has_message = true;
+ return true;
+ }
+
+ // Message doesn't match. Pop any remaining parts of the message
+ // from the pipe.
+ while (message.flags & ZMQ_MSG_MORE) {
+ rc = fq.recv (&message, ZMQ_NOBLOCK);
+ zmq_assert (rc == 0);
+ }
+ }
+}
+
+bool zmq::xsub_t::match (zmq_msg_t *msg_)
+{
+ return subscriptions.check ((unsigned char*) zmq_msg_data (msg_),
+ zmq_msg_size (msg_));
+}
diff --git a/src/xsub.hpp b/src/xsub.hpp
new file mode 100644
index 0000000..6bd55ad
--- /dev/null
+++ b/src/xsub.hpp
@@ -0,0 +1,80 @@
+/*
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+
+ This file is part of 0MQ.
+
+ 0MQ is free software; you can redistribute it and/or modify it under
+ the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ 0MQ is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __ZMQ_XSUB_HPP_INCLUDED__
+#define __ZMQ_XSUB_HPP_INCLUDED__
+
+#include "../include/zmq.h"
+
+#include "trie.hpp"
+#include "socket_base.hpp"
+#include "fq.hpp"
+
+namespace zmq
+{
+
+ class xsub_t : public socket_base_t
+ {
+ public:
+
+ xsub_t (class ctx_t *parent_, uint32_t tid_);
+ ~xsub_t ();
+
+ protected:
+
+ // Overloads of functions from socket_base_t.
+ void xattach_pipes (class reader_t *inpipe_, class writer_t *outpipe_,
+ const blob_t &peer_identity_);
+ int xsend (zmq_msg_t *msg_, int options_);
+ bool xhas_out ();
+ int xrecv (zmq_msg_t *msg_, int flags_);
+ bool xhas_in ();
+
+ private:
+
+ // Hook into the termination process.
+ void process_term (int linger_);
+
+ // Check whether the message matches at least one subscription.
+ bool match (zmq_msg_t *msg_);
+
+ // Fair queueing object for inbound pipes.
+ fq_t fq;
+
+ // The repository of subscriptions.
+ trie_t subscriptions;
+
+ // If true, 'message' contains a matching message to return on the
+ // next recv call.
+ bool has_message;
+ zmq_msg_t message;
+
+ // If true, part of a multipart message was already received, but
+ // there are following parts still waiting.
+ bool more;
+
+ xsub_t (const xsub_t&);
+ const xsub_t &operator = (const xsub_t&);
+ };
+
+}
+
+#endif
+
diff --git a/src/yarray_item.hpp b/src/yarray_item.hpp
deleted file mode 100644
index db24dda..0000000
--- a/src/yarray_item.hpp
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
- Copyright (c) 2007-2010 iMatix Corporation
-
- This file is part of 0MQ.
-
- 0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- 0MQ is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
-
- You should have received a copy of the Lesser GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#ifndef __ZMQ_YARRAY_ITEM_INCLUDED__
-#define __ZMQ_YARRAY_ITEM_INCLUDED__
-
-namespace zmq
-{
-
- // Base class for objects stored in yarray. Note that each object can
- // be stored in at most one yarray.
-
- class yarray_item_t
- {
- public:
-
- inline yarray_item_t () :
- yarray_index (-1)
- {
- }
-
- // The destructor doesn't have to be virtual. It is mad virtual
- // just to keep ICC and code checking tools from complaining.
- inline virtual ~yarray_item_t ()
- {
- }
-
- inline void set_yarray_index (int index_)
- {
- yarray_index = index_;
- }
-
- inline int get_yarray_index ()
- {
- return yarray_index;
- }
-
- private:
-
- int yarray_index;
-
- yarray_item_t (const yarray_item_t&);
- void operator = (const yarray_item_t&);
- };
-
-}
-
-#endif
diff --git a/src/ypipe.hpp b/src/ypipe.hpp
index 1785b71..da4e85a 100644
--- a/src/ypipe.hpp
+++ b/src/ypipe.hpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -200,7 +201,7 @@ namespace zmq
// Disable copying of ypipe object.
ypipe_t (const ypipe_t&);
- void operator = (const ypipe_t&);
+ const ypipe_t &operator = (const ypipe_t&);
};
}
diff --git a/src/yqueue.hpp b/src/yqueue.hpp
index 9eaceb5..e436ea4 100644
--- a/src/yqueue.hpp
+++ b/src/yqueue.hpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -50,7 +51,7 @@ namespace zmq
inline yqueue_t ()
{
begin_chunk = (chunk_t*) malloc (sizeof (chunk_t));
- zmq_assert (begin_chunk);
+ alloc_assert (begin_chunk);
begin_pos = 0;
back_chunk = NULL;
back_pos = 0;
@@ -105,7 +106,7 @@ namespace zmq
sc->prev = end_chunk;
} else {
end_chunk->next = (chunk_t*) malloc (sizeof (chunk_t));
- zmq_assert (end_chunk->next);
+ alloc_assert (end_chunk->next);
end_chunk->next->prev = end_chunk;
}
end_chunk = end_chunk->next;
@@ -189,7 +190,7 @@ namespace zmq
// Disable copying of yqueue.
yqueue_t (const yqueue_t&);
- void operator = (const yqueue_t&);
+ const yqueue_t &operator = (const yqueue_t&);
};
}
diff --git a/src/zmq.cpp b/src/zmq.cpp
index 5770e04..929e51c 100644
--- a/src/zmq.cpp
+++ b/src/zmq.cpp
@@ -1,22 +1,37 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#include "platform.hpp"
+
+// On AIX, poll.h has to be included before zmq.h to get consistent
+// definition of pollfd structure (AIX uses 'reqevents' and 'retnevents'
+// instead of 'events' and 'revents' and defines macros to map from POSIX-y
+// names to AIX-specific names).
+#if defined ZMQ_HAVE_LINUX || defined ZMQ_HAVE_FREEBSD ||\
+ defined ZMQ_HAVE_OPENBSD || defined ZMQ_HAVE_SOLARIS ||\
+ defined ZMQ_HAVE_OSX || defined ZMQ_HAVE_QNXNTO ||\
+ defined ZMQ_HAVE_HPUX || defined ZMQ_HAVE_AIX ||\
+ defined ZMQ_HAVE_NETBSD
+#include <poll.h>
+#endif
+
#include "../include/zmq.h"
#include "../include/zmq_utils.h"
@@ -25,34 +40,30 @@
#include <stdlib.h>
#include <new>
-#include "forwarder.hpp"
-#include "queue.hpp"
-#include "streamer.hpp"
+#include "device.hpp"
#include "socket_base.hpp"
-#include "app_thread.hpp"
#include "msg_content.hpp"
-#include "platform.hpp"
#include "stdint.hpp"
#include "config.hpp"
+#include "likely.hpp"
+#include "clock.hpp"
#include "ctx.hpp"
#include "err.hpp"
#include "fd.hpp"
-#if defined ZMQ_HAVE_LINUX || defined ZMQ_HAVE_FREEBSD ||\
- defined ZMQ_HAVE_OPENBSD || defined ZMQ_HAVE_SOLARIS ||\
- defined ZMQ_HAVE_OSX || defined ZMQ_HAVE_QNXNTO ||\
- defined ZMQ_HAVE_HPUX || defined ZMQ_HAVE_AIX ||\
- defined ZMQ_HAVE_NETBSD
-#include <poll.h>
-#endif
-
#if !defined ZMQ_HAVE_WINDOWS
#include <unistd.h>
-#include <sys/time.h>
#endif
#if defined ZMQ_HAVE_OPENPGM
+#define __PGM_WININT_H__
#include <pgm/pgm.h>
+
+// TODO: OpenPGM redefines bool -- remove this once OpenPGM is fixed.
+#if defined bool
+#undef bool
+#endif
+
#endif
void zmq_version (int *major_, int *minor_, int *patch_)
@@ -64,43 +75,7 @@ void zmq_version (int *major_, int *minor_, int *patch_)
const char *zmq_strerror (int errnum_)
{
- switch (errnum_) {
-#if defined ZMQ_HAVE_WINDOWS
- case ENOTSUP:
- return "Not supported";
- case EPROTONOSUPPORT:
- return "Protocol not supported";
- case ENOBUFS:
- return "No buffer space available";
- case ENETDOWN:
- return "Network is down";
- case EADDRINUSE:
- return "Address in use";
- case EADDRNOTAVAIL:
- return "Address not available";
- case ECONNREFUSED:
- return "Connection refused";
- case EINPROGRESS:
- return "Operation in progress";
-#endif
- case EMTHREAD:
- return "Number of preallocated application threads exceeded";
- case EFSM:
- return "Operation cannot be accomplished in current state";
- case ENOCOMPATPROTO:
- return "The protocol is not compatible with the socket type";
- case ETERM:
- return "Context was terminated";
- default:
-#if defined _MSC_VER
-#pragma warning (push)
-#pragma warning (disable:4996)
-#endif
- return strerror (errnum_);
-#if defined _MSC_VER
-#pragma warning (pop)
-#endif
- }
+ return zmq::errno_to_string (errnum_);
}
int zmq_msg_init (zmq_msg_t *msg_)
@@ -141,7 +116,7 @@ int zmq_msg_init_data (zmq_msg_t *msg_, void *data_, size_t size_,
zmq_free_fn *ffn_, void *hint_)
{
msg_->content = (zmq::msg_content_t*) malloc (sizeof (zmq::msg_content_t));
- zmq_assert (msg_->content);
+ alloc_assert (msg_->content);
msg_->flags = 0;
zmq::msg_content_t *content = (zmq::msg_content_t*) msg_->content;
content->data = data_;
@@ -155,24 +130,30 @@ int zmq_msg_init_data (zmq_msg_t *msg_, void *data_, size_t size_,
int zmq_msg_close (zmq_msg_t *msg_)
{
// For VSMs and delimiters there are no resources to free.
- if (msg_->content == (zmq::msg_content_t*) ZMQ_DELIMITER ||
- msg_->content == (zmq::msg_content_t*) ZMQ_VSM)
- return 0;
+ if (msg_->content != (zmq::msg_content_t*) ZMQ_DELIMITER &&
+ msg_->content != (zmq::msg_content_t*) ZMQ_VSM) {
- // If the content is not shared, or if it is shared and the reference.
- // count has dropped to zero, deallocate it.
- zmq::msg_content_t *content = (zmq::msg_content_t*) msg_->content;
- if (!(msg_->flags & ZMQ_MSG_SHARED) || !content->refcnt.sub (1)) {
+ // If the content is not shared, or if it is shared and the reference.
+ // count has dropped to zero, deallocate it.
+ zmq::msg_content_t *content = (zmq::msg_content_t*) msg_->content;
+ if (!(msg_->flags & ZMQ_MSG_SHARED) || !content->refcnt.sub (1)) {
- // We used "placement new" operator to initialize the reference.
- // counter so we call its destructor now.
- content->refcnt.~atomic_counter_t ();
+ // We used "placement new" operator to initialize the reference.
+ // counter so we call its destructor now.
+ content->refcnt.~atomic_counter_t ();
- if (content->ffn)
- content->ffn (content->data, content->hint);
- free (content);
+ if (content->ffn)
+ content->ffn (content->data, content->hint);
+ free (content);
+ }
}
+ // As a safety measure, let's make the deallocated message look like
+ // an empty message.
+ msg_->content = (zmq::msg_content_t*) ZMQ_VSM;
+ msg_->flags = 0;
+ msg_->vsm_size = 0;
+
return 0;
}
@@ -235,38 +216,47 @@ void *zmq_init (int io_threads_)
}
#if defined ZMQ_HAVE_OPENPGM
- // Unfortunately, OpenPGM doesn't support refcounted init/shutdown, thus,
- // let's fail if it was initialised beforehand.
- zmq_assert (!pgm_supported ());
// Init PGM transport. Ensure threading and timer are enabled. Find PGM
// protocol ID. Note that if you want to use gettimeofday and sleep for
// openPGM timing, set environment variables PGM_TIMER to "GTOD" and
// PGM_SLEEP to "USLEEP".
- GError *pgm_error = NULL;
- int rc = pgm_init (&pgm_error);
- if (rc != TRUE) {
- if (pgm_error->domain == PGM_IF_ERROR && (
- pgm_error->code == PGM_IF_ERROR_INVAL ||
- pgm_error->code == PGM_IF_ERROR_XDEV ||
- pgm_error->code == PGM_IF_ERROR_NODEV ||
- pgm_error->code == PGM_IF_ERROR_NOTUNIQ ||
- pgm_error->code == PGM_IF_ERROR_ADDRFAMILY ||
- pgm_error->code == PGM_IF_ERROR_FAMILY ||
- pgm_error->code == PGM_IF_ERROR_NODATA ||
- pgm_error->code == PGM_IF_ERROR_NONAME ||
- pgm_error->code == PGM_IF_ERROR_SERVICE)) {
- g_error_free (pgm_error);
+ pgm_error_t *pgm_error = NULL;
+ const bool ok = pgm_init (&pgm_error);
+ if (ok != TRUE) {
+
+ // Invalid parameters don't set pgm_error_t
+ zmq_assert (pgm_error != NULL);
+ if (pgm_error->domain == PGM_ERROR_DOMAIN_TIME && (
+ pgm_error->code == PGM_ERROR_FAILED)) {
+
+ // Failed to access RTC or HPET device.
+ pgm_error_free (pgm_error);
errno = EINVAL;
return NULL;
}
+
+ // PGM_ERROR_DOMAIN_ENGINE: WSAStartup errors or missing WSARecvMsg.
zmq_assert (false);
}
#endif
+#ifdef ZMQ_HAVE_WINDOWS
+ // Intialise Windows sockets. Note that WSAStartup can be called multiple
+ // times given that WSACleanup will be called for each WSAStartup.
+ // We do this before the ctx constructor since its embedded mailbox_t
+ // object needs Winsock to be up and running.
+ WORD version_requested = MAKEWORD (2, 2);
+ WSADATA wsa_data;
+ int rc = WSAStartup (version_requested, &wsa_data);
+ zmq_assert (rc == 0);
+ zmq_assert (LOBYTE (wsa_data.wVersion) == 2 &&
+ HIBYTE (wsa_data.wVersion) == 2);
+#endif
+
// Create 0MQ context.
zmq::ctx_t *ctx = new (std::nothrow) zmq::ctx_t ((uint32_t) io_threads_);
- zmq_assert (ctx);
+ alloc_assert (ctx);
return (void*) ctx;
}
@@ -277,9 +267,15 @@ int zmq_term (void *ctx_)
return -1;
}
- int rc = ((zmq::ctx_t*) ctx_)->term ();
+ int rc = ((zmq::ctx_t*) ctx_)->terminate ();
int en = errno;
+#ifdef ZMQ_HAVE_WINDOWS
+ // On Windows, uninitialise socket layer.
+ rc = WSACleanup ();
+ wsa_assert (rc != SOCKET_ERROR);
+#endif
+
#if defined ZMQ_HAVE_OPENPGM
// Shut down the OpenPGM library.
if (pgm_shutdown () != TRUE)
@@ -366,158 +362,203 @@ int zmq_recv (void *s_, zmq_msg_t *msg_, int flags_)
return (((zmq::socket_base_t*) s_)->recv (msg_, flags_));
}
-int zmq_poll (zmq_pollitem_t *items_, int nitems_, long timeout_)
-{
-#if defined ZMQ_HAVE_LINUX || defined ZMQ_HAVE_FREEBSD ||\
+#if defined ZMQ_FORCE_SELECT
+#define ZMQ_POLL_BASED_ON_SELECT
+#elif defined ZMQ_FORCE_POLL
+#define ZMQ_POLL_BASED_ON_POLL
+#elif defined ZMQ_HAVE_LINUX || defined ZMQ_HAVE_FREEBSD ||\
defined ZMQ_HAVE_OPENBSD || defined ZMQ_HAVE_SOLARIS ||\
defined ZMQ_HAVE_OSX || defined ZMQ_HAVE_QNXNTO ||\
defined ZMQ_HAVE_HPUX || defined ZMQ_HAVE_AIX ||\
defined ZMQ_HAVE_NETBSD
+#define ZMQ_POLL_BASED_ON_POLL
+#elif defined ZMQ_HAVE_WINDOWS || defined ZMQ_HAVE_OPENVMS
+#define ZMQ_POLL_BASED_ON_SELECT
+#endif
+
+int zmq_poll (zmq_pollitem_t *items_, int nitems_, long timeout_)
+{
+#if defined ZMQ_POLL_BASED_ON_POLL
+ if (unlikely (nitems_ < 0)) {
+ errno = EINVAL;
+ return -1;
+ }
+ if (unlikely (nitems_ == 0)) {
+ if (timeout_ == 0)
+ return 0;
+#if defined ZMQ_HAVE_WINDOWS
+ Sleep (timeout_ > 0 ? timeout_ / 1000 : INFINITE);
+ return 0;
+#else
+ return usleep (timeout_);
+#endif
+ }
if (!items_) {
errno = EFAULT;
return -1;
}
- pollfd *pollfds = (pollfd*) malloc (nitems_ * sizeof (pollfd));
- zmq_assert (pollfds);
- int npollfds = 0;
- int nsockets = 0;
- zmq::app_thread_t *app_thread = NULL;
+ zmq::clock_t clock;
+ uint64_t now = 0;
+ uint64_t end = 0;
+
+ pollfd *pollfds = (pollfd*) malloc (nitems_ * sizeof (pollfd));
+ alloc_assert (pollfds);
+ // Build pollset for poll () system call.
for (int i = 0; i != nitems_; i++) {
- // 0MQ sockets.
+ // If the poll item is a 0MQ socket, we poll on the file descriptor
+ // retrieved by the ZMQ_FD socket option.
if (items_ [i].socket) {
-
- // Get the app_thread the socket is living in. If there are two
- // sockets in the same pollset with different app threads, fail.
- zmq::socket_base_t *s = (zmq::socket_base_t*) items_ [i].socket;
- if (app_thread) {
- if (app_thread != s->get_thread ()) {
- free (pollfds);
- errno = EFAULT;
- return -1;
- }
+ size_t zmq_fd_size = sizeof (zmq::fd_t);
+ if (zmq_getsockopt (items_ [i].socket, ZMQ_FD, &pollfds [i].fd,
+ &zmq_fd_size) == -1) {
+ free (pollfds);
+ return -1;
}
- else
- app_thread = s->get_thread ();
-
- nsockets++;
- continue;
+ pollfds [i].events = items_ [i].events ? POLLIN : 0;
}
-
- // Raw file descriptors.
- pollfds [npollfds].fd = items_ [i].fd;
- pollfds [npollfds].events =
- (items_ [i].events & ZMQ_POLLIN ? POLLIN : 0) |
- (items_ [i].events & ZMQ_POLLOUT ? POLLOUT : 0);
- npollfds++;
- }
-
- // If there's at least one 0MQ socket in the pollset we have to poll
- // for 0MQ commands. If ZMQ_POLL was not set, fail.
- if (nsockets) {
- pollfds [npollfds].fd = app_thread->get_signaler ()->get_fd ();
- if (pollfds [npollfds].fd == zmq::retired_fd) {
- free (pollfds);
- errno = ENOTSUP;
- return -1;
+ // Else, the poll item is a raw file descriptor. Just convert the
+ // events to normal POLLIN/POLLOUT for poll ().
+ else {
+ pollfds [i].fd = items_ [i].fd;
+ pollfds [i].events =
+ (items_ [i].events & ZMQ_POLLIN ? POLLIN : 0) |
+ (items_ [i].events & ZMQ_POLLOUT ? POLLOUT : 0);
}
- pollfds [npollfds].events = POLLIN;
- npollfds++;
- }
-
- // First iteration just check for events, don't block. Waiting would
- // prevent exiting on any events that may already been signaled on
- // 0MQ sockets.
- int rc = poll (pollfds, npollfds, 0);
- if (rc == -1 && errno == EINTR && timeout_ >= 0) {
- free (pollfds);
- return 0;
}
- errno_assert (rc >= 0 || (rc == -1 && errno == EINTR));
- int timeout = timeout_ > 0 ? timeout_ / 1000 : -1;
+ bool first_pass = true;
int nevents = 0;
while (true) {
- // Process 0MQ commands if needed.
- if (nsockets && pollfds [npollfds -1].revents & POLLIN)
- if (!app_thread->process_commands (false, false)) {
+ // Compute the timeout for the subsequent poll.
+ int timeout;
+ if (first_pass)
+ timeout = 0;
+ else if (timeout_ < 0)
+ timeout = -1;
+ else
+ timeout = end - now;
+
+ // Wait for events.
+ while (true) {
+ int rc = poll (pollfds, nitems_, timeout);
+ if (rc == -1 && errno == EINTR) {
free (pollfds);
- errno = ETERM;
return -1;
}
+ errno_assert (rc >= 0);
+ break;
+ }
// Check for the events.
- int pollfd_pos = 0;
for (int i = 0; i != nitems_; i++) {
- // If the poll item is a raw file descriptor, simply convert
+ items_ [i].revents = 0;
+
+ // The poll item is a 0MQ socket. Retrieve pending events
+ // using the ZMQ_EVENTS socket option.
+ if (items_ [i].socket) {
+ size_t zmq_events_size = sizeof (uint32_t);
+ uint32_t zmq_events;
+ if (zmq_getsockopt (items_ [i].socket, ZMQ_EVENTS, &zmq_events,
+ &zmq_events_size) == -1) {
+ free (pollfds);
+ return -1;
+ }
+ if ((items_ [i].events & ZMQ_POLLOUT) &&
+ (zmq_events & ZMQ_POLLOUT))
+ items_ [i].revents |= ZMQ_POLLOUT;
+ if ((items_ [i].events & ZMQ_POLLIN) &&
+ (zmq_events & ZMQ_POLLIN))
+ items_ [i].revents |= ZMQ_POLLIN;
+ }
+ // Else, the poll item is a raw file descriptor, simply convert
// the events to zmq_pollitem_t-style format.
- if (!items_ [i].socket) {
- items_ [i].revents = 0;
- if (pollfds [pollfd_pos].revents & POLLIN)
+ else {
+ if (pollfds [i].revents & POLLIN)
items_ [i].revents |= ZMQ_POLLIN;
- if (pollfds [pollfd_pos].revents & POLLOUT)
+ if (pollfds [i].revents & POLLOUT)
items_ [i].revents |= ZMQ_POLLOUT;
- if (pollfds [pollfd_pos].revents & ~(POLLIN | POLLOUT))
+ if (pollfds [i].revents & ~(POLLIN | POLLOUT))
items_ [i].revents |= ZMQ_POLLERR;
-
- if (items_ [i].revents)
- nevents++;
- pollfd_pos++;
- continue;
}
- // The poll item is a 0MQ socket.
- zmq::socket_base_t *s = (zmq::socket_base_t*) items_ [i].socket;
- items_ [i].revents = 0;
- if ((items_ [i].events & ZMQ_POLLOUT) && s->has_out ())
- items_ [i].revents |= ZMQ_POLLOUT;
- if ((items_ [i].events & ZMQ_POLLIN) && s->has_in ())
- items_ [i].revents |= ZMQ_POLLIN;
if (items_ [i].revents)
nevents++;
}
- // If there's at least one event, or if we are asked not to block,
- // return immediately.
- if (nevents || !timeout_)
+ // If timout is zero, exit immediately whether there are events or not.
+ if (timeout_ == 0)
break;
- // Wait for events. Ignore interrupts if there's infinite timeout.
- while (true) {
- rc = poll (pollfds, npollfds, timeout);
- if (rc == -1 && errno == EINTR) {
- if (timeout_ < 0)
- continue;
- else {
- rc = 0;
- break;
- }
- }
- errno_assert (rc >= 0);
+ // If there are events to return, we can exit immediately.
+ if (nevents)
break;
+
+ // At this point we are meant to wait for events but there are none.
+ // If timeout is infinite we can just loop until we get some events.
+ if (timeout_ < 0) {
+ if (first_pass)
+ first_pass = false;
+ continue;
}
-
- // If timeout was hit with no events signaled, return zero.
- if (rc == 0)
- break;
- // If timeout was already applied, we don't want to poll anymore.
- // Setting timeout to zero will cause termination of the function
- // once the events we've got are processed.
- if (timeout > 0)
- timeout = 0;
+ // The timeout is finite and there are no events. In the first pass
+ // we get a timestamp of when the polling have begun. (We assume that
+ // first pass have taken negligible time). We also compute the time
+ // when the polling should time out.
+ if (first_pass) {
+ now = clock.now_ms ();
+ end = now + (timeout_ / 1000);
+ if (now == end)
+ break;
+ first_pass = false;
+ continue;
+ }
+
+ // Find out whether timeout have expired.
+ now = clock.now_ms ();
+ if (now >= end)
+ break;
}
free (pollfds);
return nevents;
-#elif defined ZMQ_HAVE_WINDOWS || defined ZMQ_HAVE_OPENVMS
+#elif defined ZMQ_POLL_BASED_ON_SELECT
+
+ if (unlikely (nitems_ < 0)) {
+ errno = EINVAL;
+ return -1;
+ }
+ if (unlikely (nitems_ == 0)) {
+ if (timeout_ == 0)
+ return 0;
+#if defined ZMQ_HAVE_WINDOWS
+ Sleep (timeout_ > 0 ? timeout_ / 1000 : INFINITE);
+ return 0;
+#else
+ return usleep (timeout_);
+#endif
+ }
+
+ if (!items_) {
+ errno = EFAULT;
+ return -1;
+ }
+
+ zmq::clock_t clock;
+ uint64_t now = 0;
+ uint64_t end = 0;
+
+ // Ensure we do not attempt to select () on more than FD_SETSIZE
+ // file descriptors.
+ zmq_assert (nitems_ <= FD_SETSIZE);
fd_set pollset_in;
FD_ZERO (&pollset_in);
@@ -526,166 +567,163 @@ int zmq_poll (zmq_pollitem_t *items_, int nitems_, long timeout_)
fd_set pollset_err;
FD_ZERO (&pollset_err);
- zmq::app_thread_t *app_thread = NULL;
- int nsockets = 0;
- zmq::fd_t maxfd = zmq::retired_fd;
- zmq::fd_t notify_fd = zmq::retired_fd;
-
- // Ensure we do not attempt to select () on more than FD_SETSIZE
- // file descriptors.
- zmq_assert (nitems_ <= FD_SETSIZE);
+ zmq::fd_t maxfd = 0;
+ // Build the fd_sets for passing to select ().
for (int i = 0; i != nitems_; i++) {
- // 0MQ sockets.
+ // If the poll item is a 0MQ socket we are interested in input on the
+ // notification file descriptor retrieved by the ZMQ_FD socket option.
if (items_ [i].socket) {
-
- // Get the app_thread the socket is living in. If there are two
- // sockets in the same pollset with different app threads, fail.
- zmq::socket_base_t *s = (zmq::socket_base_t*) items_ [i].socket;
- if (app_thread) {
- if (app_thread != s->get_thread ()) {
- errno = EFAULT;
- return -1;
- }
+ size_t zmq_fd_size = sizeof (zmq::fd_t);
+ zmq::fd_t notify_fd;
+ if (zmq_getsockopt (items_ [i].socket, ZMQ_FD, &notify_fd,
+ &zmq_fd_size) == -1)
+ return -1;
+ if (items_ [i].events) {
+ FD_SET (notify_fd, &pollset_in);
+ if (maxfd < notify_fd)
+ maxfd = notify_fd;
}
- else
- app_thread = s->get_thread ();
-
- nsockets++;
- continue;
}
-
- // Raw file descriptors.
- if (items_ [i].events & ZMQ_POLLIN)
- FD_SET (items_ [i].fd, &pollset_in);
- if (items_ [i].events & ZMQ_POLLOUT)
- FD_SET (items_ [i].fd, &pollset_out);
- if (items_ [i].events & ZMQ_POLLERR)
- FD_SET (items_ [i].fd, &pollset_err);
- if (maxfd == zmq::retired_fd || maxfd < items_ [i].fd)
- maxfd = items_ [i].fd;
- }
-
- // If there's at least one 0MQ socket in the pollset we have to poll
- // for 0MQ commands. If ZMQ_POLL was not set, fail.
- if (nsockets) {
- notify_fd = app_thread->get_signaler ()->get_fd ();
- if (notify_fd == zmq::retired_fd) {
- errno = ENOTSUP;
- return -1;
+ // Else, the poll item is a raw file descriptor. Convert the poll item
+ // events to the appropriate fd_sets.
+ else {
+ if (items_ [i].events & ZMQ_POLLIN)
+ FD_SET (items_ [i].fd, &pollset_in);
+ if (items_ [i].events & ZMQ_POLLOUT)
+ FD_SET (items_ [i].fd, &pollset_out);
+ if (items_ [i].events & ZMQ_POLLERR)
+ FD_SET (items_ [i].fd, &pollset_err);
+ if (maxfd < items_ [i].fd)
+ maxfd = items_ [i].fd;
}
- FD_SET (notify_fd, &pollset_in);
- if (maxfd == zmq::retired_fd || maxfd < notify_fd)
- maxfd = notify_fd;
}
- bool block = (timeout_ < 0);
- timeval timeout = {timeout_ / 1000000, timeout_ % 1000000};
- timeval zero_timeout = {0, 0};
+ bool first_pass = true;
int nevents = 0;
-
- // First iteration just check for events, don't block. Waiting would
- // prevent exiting on any events that may already been signaled on
- // 0MQ sockets.
fd_set inset, outset, errset;
- memcpy (&inset, &pollset_in, sizeof (fd_set));
- memcpy (&outset, &pollset_out, sizeof (fd_set));
- memcpy (&errset, &pollset_err, sizeof (fd_set));
- int rc = select (maxfd, &inset, &outset, &errset, &zero_timeout);
-#if defined ZMQ_HAVE_WINDOWS
- wsa_assert (rc != SOCKET_ERROR);
-#else
- if (rc == -1 && errno == EINTR && timeout_ >= 0)
- return 0;
- errno_assert (rc >= 0 || (rc == -1 && errno == EINTR));
-#endif
while (true) {
- // Process 0MQ commands if needed.
- if (nsockets && FD_ISSET (notify_fd, &inset))
- if (!app_thread->process_commands (false, false)) {
- errno = ETERM;
+ // Compute the timeout for the subsequent poll.
+ timeval timeout;
+ timeval *ptimeout;
+ if (first_pass) {
+ timeout.tv_sec = 0;
+ timeout.tv_usec = 0;
+ ptimeout = &timeout;
+ }
+ else if (timeout_ < 0)
+ ptimeout = NULL;
+ else {
+ timeout.tv_sec = (long) ((end - now) / 1000);
+ timeout.tv_usec = (long) ((end - now) % 1000 * 1000);
+ ptimeout = &timeout;
+ }
+
+ // Wait for events. Ignore interrupts if there's infinite timeout.
+ while (true) {
+ memcpy (&inset, &pollset_in, sizeof (fd_set));
+ memcpy (&outset, &pollset_out, sizeof (fd_set));
+ memcpy (&errset, &pollset_err, sizeof (fd_set));
+ int rc = select (maxfd + 1, &inset, &outset, &errset, ptimeout);
+#if defined ZMQ_HAVE_WINDOWS
+ wsa_assert (rc != SOCKET_ERROR);
+#else
+ if (rc == -1 && errno == EINTR)
return -1;
- }
+ errno_assert (rc >= 0);
+#endif
+ break;
+ }
// Check for the events.
for (int i = 0; i != nitems_; i++) {
- // If the poll item is a raw file descriptor, simply convert
+ items_ [i].revents = 0;
+
+ // The poll item is a 0MQ socket. Retrieve pending events
+ // using the ZMQ_EVENTS socket option.
+ if (items_ [i].socket) {
+ size_t zmq_events_size = sizeof (uint32_t);
+ uint32_t zmq_events;
+ if (zmq_getsockopt (items_ [i].socket, ZMQ_EVENTS, &zmq_events,
+ &zmq_events_size) == -1)
+ return -1;
+ if ((items_ [i].events & ZMQ_POLLOUT) &&
+ (zmq_events & ZMQ_POLLOUT))
+ items_ [i].revents |= ZMQ_POLLOUT;
+ if ((items_ [i].events & ZMQ_POLLIN) &&
+ (zmq_events & ZMQ_POLLIN))
+ items_ [i].revents |= ZMQ_POLLIN;
+ }
+ // Else, the poll item is a raw file descriptor, simply convert
// the events to zmq_pollitem_t-style format.
- if (!items_ [i].socket) {
- items_ [i].revents = 0;
+ else {
if (FD_ISSET (items_ [i].fd, &inset))
items_ [i].revents |= ZMQ_POLLIN;
if (FD_ISSET (items_ [i].fd, &outset))
items_ [i].revents |= ZMQ_POLLOUT;
if (FD_ISSET (items_ [i].fd, &errset))
items_ [i].revents |= ZMQ_POLLERR;
- if (items_ [i].revents)
- nevents++;
- continue;
}
- // The poll item is a 0MQ socket.
- zmq::socket_base_t *s = (zmq::socket_base_t*) items_ [i].socket;
- items_ [i].revents = 0;
- if ((items_ [i].events & ZMQ_POLLOUT) && s->has_out ())
- items_ [i].revents |= ZMQ_POLLOUT;
- if ((items_ [i].events & ZMQ_POLLIN) && s->has_in ())
- items_ [i].revents |= ZMQ_POLLIN;
if (items_ [i].revents)
nevents++;
}
- // If there's at least one event, or if we are asked not to block,
- // return immediately.
- if (nevents || (timeout.tv_sec == 0 && timeout.tv_usec == 0))
+ // If timout is zero, exit immediately whether there are events or not.
+ if (timeout_ == 0)
break;
- // Wait for events. Ignore interrupts if there's infinite timeout.
- while (true) {
- memcpy (&inset, &pollset_in, sizeof (fd_set));
- memcpy (&outset, &pollset_out, sizeof (fd_set));
- memcpy (&errset, &pollset_err, sizeof (fd_set));
- rc = select (maxfd, &inset, &outset, &errset,
- block ? NULL : &timeout);
-#if defined ZMQ_HAVE_WINDOWS
- wsa_assert (rc != SOCKET_ERROR);
-#else
- if (rc == -1 && errno == EINTR) {
- if (timeout_ < 0)
- continue;
- else {
- rc = 0;
- break;
- }
- }
- errno_assert (rc >= 0);
-#endif
+ // If there are events to return, we can exit immediately.
+ if (nevents)
break;
+
+ // At this point we are meant to wait for events but there are none.
+ // If timeout is infinite we can just loop until we get some events.
+ if (timeout_ < 0) {
+ if (first_pass)
+ first_pass = false;
+ continue;
+ }
+
+ // The timeout is finite and there are no events. In the first pass
+ // we get a timestamp of when the polling have begun. (We assume that
+ // first pass have taken negligible time). We also compute the time
+ // when the polling should time out.
+ if (first_pass) {
+ now = clock.now_ms ();
+ end = now + (timeout_ / 1000);
+ if (now == end)
+ break;
+ first_pass = false;
+ continue;
}
-
- // If timeout was hit with no events signaled, return zero.
- if (rc == 0)
- break;
- // If timeout was already applied, we don't want to poll anymore.
- // Setting timeout to zero will cause termination of the function
- // once the events we've got are processed.
- if (!block)
- timeout = zero_timeout;
+ // Find out whether timeout have expired.
+ now = clock.now_ms ();
+ if (now >= end)
+ break;
}
return nevents;
#else
+ // Exotic platforms that support neither poll() nor select().
errno = ENOTSUP;
return -1;
#endif
}
+#if defined ZMQ_POLL_BASED_ON_SELECT
+#undef ZMQ_POLL_BASED_ON_SELECT
+#endif
+#if defined ZMQ_POLL_BASED_ON_POLL
+#undef ZMQ_POLL_BASED_ON_POLL
+#endif
+
int zmq_errno ()
{
return errno;
@@ -697,80 +735,42 @@ int zmq_device (int device_, void *insocket_, void *outsocket_)
errno = EFAULT;
return -1;
}
- switch (device_) {
- case ZMQ_FORWARDER:
- return zmq::forwarder ((zmq::socket_base_t*) insocket_,
- (zmq::socket_base_t*) outsocket_);
- case ZMQ_QUEUE:
- return zmq::queue ((zmq::socket_base_t*) insocket_,
- (zmq::socket_base_t*) outsocket_);
- case ZMQ_STREAMER:
- return zmq::streamer ((zmq::socket_base_t*) insocket_,
- (zmq::socket_base_t*) outsocket_);
- default:
- return EINVAL;
+
+ if (device_ != ZMQ_FORWARDER && device_ != ZMQ_QUEUE &&
+ device_ != ZMQ_STREAMER) {
+ errno = EINVAL;
+ return -1;
}
+
+ return zmq::device ((zmq::socket_base_t*) insocket_,
+ (zmq::socket_base_t*) outsocket_);
}
////////////////////////////////////////////////////////////////////////////////
// 0MQ utils - to be used by perf tests
////////////////////////////////////////////////////////////////////////////////
-#if defined ZMQ_HAVE_WINDOWS
-
-static uint64_t now ()
-{
- // Get the high resolution counter's accuracy.
- LARGE_INTEGER ticksPerSecond;
- QueryPerformanceFrequency (&ticksPerSecond);
-
- // What time is it?
- LARGE_INTEGER tick;
- QueryPerformanceCounter (&tick);
-
- // Convert the tick number into the number of seconds
- // since the system was started.
- double ticks_div = (double) (ticksPerSecond.QuadPart / 1000000);
- return (uint64_t) (tick.QuadPart / ticks_div);
-}
-
void zmq_sleep (int seconds_)
{
+#if defined ZMQ_HAVE_WINDOWS
Sleep (seconds_ * 1000);
-}
-
#else
-
-static uint64_t now ()
-{
- struct timeval tv;
- int rc;
-
- rc = gettimeofday (&tv, NULL);
- assert (rc == 0);
- return (tv.tv_sec * (uint64_t) 1000000 + tv.tv_usec);
-}
-
-void zmq_sleep (int seconds_)
-{
sleep (seconds_);
-}
-
#endif
+}
void *zmq_stopwatch_start ()
{
uint64_t *watch = (uint64_t*) malloc (sizeof (uint64_t));
- assert (watch);
- *watch = now ();
+ alloc_assert (watch);
+ *watch = zmq::clock_t::now_us ();
return (void*) watch;
}
unsigned long zmq_stopwatch_stop (void *watch_)
{
- uint64_t end = now ();
+ uint64_t end = zmq::clock_t::now_us ();
uint64_t start = *(uint64_t*) watch_;
free (watch_);
return (unsigned long) (end - start);
}
-
diff --git a/src/zmq_connecter.cpp b/src/zmq_connecter.cpp
index ebd7572..fb77cdc 100644
--- a/src/zmq_connecter.cpp
+++ b/src/zmq_connecter.cpp
@@ -1,73 +1,69 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <new>
+#include "platform.hpp"
+#if defined ZMQ_HAVE_WINDOWS
+#include "windows.hpp"
+#else
+#include <sys/types.h>
+#include <unistd.h>
+#endif
+
#include "zmq_connecter.hpp"
#include "zmq_engine.hpp"
#include "zmq_init.hpp"
#include "io_thread.hpp"
#include "err.hpp"
-zmq::zmq_connecter_t::zmq_connecter_t (io_thread_t *parent_,
- socket_base_t *owner_, const options_t &options_,
- uint64_t session_ordinal_, bool wait_) :
- owned_t (parent_, owner_),
- io_object_t (parent_),
+zmq::zmq_connecter_t::zmq_connecter_t (class io_thread_t *io_thread_,
+ class session_t *session_, const options_t &options_,
+ const char *protocol_, const char *address_, bool wait_) :
+ own_t (io_thread_, options_),
+ io_object_t (io_thread_),
handle_valid (false),
wait (wait_),
- session_ordinal (session_ordinal_),
- options (options_)
+ session (session_),
+ current_reconnect_ivl(options.reconnect_ivl)
{
+ int rc = tcp_connecter.set_address (protocol_, address_);
+ zmq_assert (rc == 0);
}
zmq::zmq_connecter_t::~zmq_connecter_t ()
{
-}
-
-int zmq::zmq_connecter_t::set_address (const char *protocol_,
- const char *address_)
-{
- int rc = tcp_connecter.set_address (protocol_, address_);
- if (rc != 0)
- return rc;
- protocol = protocol_;
- address = address_;
- return 0;
+ if (wait)
+ cancel_timer (reconnect_timer_id);
+ if (handle_valid)
+ rm_fd (handle);
}
void zmq::zmq_connecter_t::process_plug ()
{
if (wait)
- add_timer ();
+ add_reconnect_timer();
else
start_connecting ();
}
-void zmq::zmq_connecter_t::process_unplug ()
-{
- if (wait)
- cancel_timer ();
- if (handle_valid)
- rm_fd (handle);
-}
-
void zmq::zmq_connecter_t::in_event ()
{
// We are not polling for incomming data, so we are actually called
@@ -86,25 +82,28 @@ void zmq::zmq_connecter_t::out_event ()
if (fd == retired_fd) {
tcp_connecter.close ();
wait = true;
- add_timer ();
+ add_reconnect_timer();
return;
}
+ // Choose I/O thread to run connecter in. Given that we are already
+ // running in an I/O thread, there must be at least one available.
+ io_thread_t *io_thread = choose_io_thread (options.affinity);
+ zmq_assert (io_thread);
+
// Create an init object.
- zmq_init_t *init = new (std::nothrow) zmq_init_t (
- choose_io_thread (options.affinity), owner,
- fd, options, true, protocol.c_str (), address.c_str (),
- session_ordinal);
- zmq_assert (init);
- send_plug (init);
- send_own (owner, init);
-
- // Ask owner socket to shut the connecter down.
- term ();
+ zmq_init_t *init = new (std::nothrow) zmq_init_t (io_thread, NULL,
+ session, fd, options);
+ alloc_assert (init);
+ launch_sibling (init);
+
+ // Shut the connecter down.
+ terminate ();
}
-void zmq::zmq_connecter_t::timer_event ()
+void zmq::zmq_connecter_t::timer_event (int id_)
{
+ zmq_assert (id_ == reconnect_timer_id);
wait = false;
start_connecting ();
}
@@ -132,5 +131,36 @@ void zmq::zmq_connecter_t::start_connecting ()
// Handle any other error condition by eventual reconnect.
wait = true;
- add_timer ();
+ add_reconnect_timer();
+}
+
+void zmq::zmq_connecter_t::add_reconnect_timer()
+{
+ add_timer (get_new_reconnect_ivl(), reconnect_timer_id);
+}
+
+int zmq::zmq_connecter_t::get_new_reconnect_ivl ()
+{
+#if defined ZMQ_HAVE_WINDOWS
+ int pid = (int) GetCurrentProcessId ();
+#else
+ int pid = (int) getpid ();
+#endif
+
+ // The new interval is the current interval + random value.
+ int this_interval = current_reconnect_ivl +
+ ((pid * 13) % options.reconnect_ivl);
+
+ // Only change the current reconnect interval if the maximum reconnect
+ // interval was set and if it's larger than the reconnect interval.
+ if (options.reconnect_ivl_max > 0 &&
+ options.reconnect_ivl_max > options.reconnect_ivl) {
+
+ // Calculate the next interval
+ current_reconnect_ivl = current_reconnect_ivl * 2;
+ if(current_reconnect_ivl >= options.reconnect_ivl_max) {
+ current_reconnect_ivl = options.reconnect_ivl_max;
+ }
+ }
+ return this_interval;
}
diff --git a/src/zmq_connecter.hpp b/src/zmq_connecter.hpp
index 328dd6a..31a6d9b 100644
--- a/src/zmq_connecter.hpp
+++ b/src/zmq_connecter.hpp
@@ -1,61 +1,69 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __ZMQ_ZMQ_CONNECTER_HPP_INCLUDED__
#define __ZMQ_ZMQ_CONNECTER_HPP_INCLUDED__
-#include <string>
-
-#include "owned.hpp"
+#include "own.hpp"
#include "io_object.hpp"
#include "tcp_connecter.hpp"
-#include "options.hpp"
#include "stdint.hpp"
namespace zmq
{
- class zmq_connecter_t : public owned_t, public io_object_t
+ class zmq_connecter_t : public own_t, public io_object_t
{
public:
- zmq_connecter_t (class io_thread_t *parent_, socket_base_t *owner_,
- const options_t &options_, uint64_t session_ordinal_, bool wait_);
+ // If 'wait' is true connecter first waits for a while, then starts
+ // connection process.
+ zmq_connecter_t (class io_thread_t *io_thread_,
+ class session_t *session_, const options_t &options_,
+ const char *protocol_, const char *address_, bool delay_);
~zmq_connecter_t ();
- // Set address to connect to.
- int set_address (const char *protocol_, const char *address_);
-
private:
+ // ID of the timer used to delay the reconnection.
+ enum {reconnect_timer_id = 1};
+
// Handlers for incoming commands.
void process_plug ();
- void process_unplug ();
// Handlers for I/O events.
void in_event ();
void out_event ();
- void timer_event ();
+ void timer_event (int id_);
// Internal function to start the actual connection establishment.
void start_connecting ();
+ // Internal function to add a reconnect timer
+ void add_reconnect_timer();
+
+ // Internal function to return a reconnect backoff delay.
+ // Will modify the current_reconnect_ivl used for next call
+ // Returns the currently used interval
+ int get_new_reconnect_ivl ();
+
// Actual connecting socket.
tcp_connecter_t tcp_connecter;
@@ -69,18 +77,14 @@ namespace zmq
// If true, connecter is waiting a while before trying to connect.
bool wait;
- // Ordinal of the session to attach to.
- uint64_t session_ordinal;
-
- // Associated socket options.
- options_t options;
+ // Reference to the session we belong to.
+ class session_t *session;
- // Protocol and address to connect to.
- std::string protocol;
- std::string address;
+ // Current reconnect ivl, updated for backoff strategy
+ int current_reconnect_ivl;
zmq_connecter_t (const zmq_connecter_t&);
- void operator = (const zmq_connecter_t&);
+ const zmq_connecter_t &operator = (const zmq_connecter_t&);
};
}
diff --git a/src/zmq_decoder.hpp b/src/zmq_decoder.hpp
deleted file mode 100644
index c1e3e3e..0000000
--- a/src/zmq_decoder.hpp
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- Copyright (c) 2007-2010 iMatix Corporation
-
- This file is part of 0MQ.
-
- 0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- 0MQ is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
-
- You should have received a copy of the Lesser GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#ifndef __ZMQ_ZMQ_DECODER_HPP_INCLUDED__
-#define __ZMQ_ZMQ_DECODER_HPP_INCLUDED__
-
-#include "../include/zmq.h"
-
-#include "decoder.hpp"
-#include "blob.hpp"
-
-namespace zmq
-{
- // Decoder for 0MQ backend protocol. Converts data batches into messages.
-
- class zmq_decoder_t : public decoder_t <zmq_decoder_t>
- {
- public:
-
- zmq_decoder_t (size_t bufsize_);
- ~zmq_decoder_t ();
-
- void set_inout (struct i_inout *destination_);
-
- private:
-
- bool one_byte_size_ready ();
- bool eight_byte_size_ready ();
- bool flags_ready ();
- bool message_ready ();
-
- struct i_inout *destination;
- unsigned char tmpbuf [8];
- ::zmq_msg_t in_progress;
-
- zmq_decoder_t (const zmq_decoder_t&);
- void operator = (const zmq_decoder_t&);
- };
-
-}
-
-#endif
-
diff --git a/src/zmq_encoder.hpp b/src/zmq_encoder.hpp
deleted file mode 100644
index 61899f4..0000000
--- a/src/zmq_encoder.hpp
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- Copyright (c) 2007-2010 iMatix Corporation
-
- This file is part of 0MQ.
-
- 0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- 0MQ is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
-
- You should have received a copy of the Lesser GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#ifndef __ZMQ_ZMQ_ENCODER_HPP_INCLUDED__
-#define __ZMQ_ZMQ_ENCODER_HPP_INCLUDED__
-
-#include "../include/zmq.h"
-
-#include "encoder.hpp"
-
-namespace zmq
-{
- // Encoder for 0MQ backend protocol. Converts messages into data batches.
-
- class zmq_encoder_t : public encoder_t <zmq_encoder_t>
- {
- public:
-
- zmq_encoder_t (size_t bufsize_);
- ~zmq_encoder_t ();
-
- void set_inout (struct i_inout *source_);
-
- private:
-
- bool size_ready ();
- bool message_ready ();
-
- struct i_inout *source;
- ::zmq_msg_t in_progress;
- unsigned char tmpbuf [10];
-
- zmq_encoder_t (const zmq_encoder_t&);
- void operator = (const zmq_encoder_t&);
- };
-}
-
-#endif
-
diff --git a/src/zmq_engine.cpp b/src/zmq_engine.cpp
index 41b10c8..57a8baf 100644
--- a/src/zmq_engine.cpp
+++ b/src/zmq_engine.cpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -32,10 +33,7 @@
#include "config.hpp"
#include "err.hpp"
-zmq::zmq_engine_t::zmq_engine_t (io_thread_t *parent_, fd_t fd_,
- const options_t &options_, bool reconnect_,
- const char *protocol_, const char *address_) :
- io_object_t (parent_),
+zmq::zmq_engine_t::zmq_engine_t (fd_t fd_, const options_t &options_) :
inpos (NULL),
insize (0),
decoder (in_batch_size),
@@ -43,14 +41,10 @@ zmq::zmq_engine_t::zmq_engine_t (io_thread_t *parent_, fd_t fd_,
outsize (0),
encoder (out_batch_size),
inout (NULL),
+ ephemeral_inout (NULL),
options (options_),
- reconnect (reconnect_)
+ plugged (false)
{
- if (reconnect) {
- protocol = protocol_;
- address = address_;
- }
-
// Initialise the underlying socket.
int rc = tcp_socket.open (fd_, options.sndbuf, options.rcvbuf);
zmq_assert (rc == 0);
@@ -58,33 +52,56 @@ zmq::zmq_engine_t::zmq_engine_t (io_thread_t *parent_, fd_t fd_,
zmq::zmq_engine_t::~zmq_engine_t ()
{
+ zmq_assert (!plugged);
}
-void zmq::zmq_engine_t::plug (i_inout *inout_)
+void zmq::zmq_engine_t::plug (io_thread_t *io_thread_, i_inout *inout_)
{
- zmq_assert (!inout);
+ zmq_assert (!plugged);
+ plugged = true;
+ ephemeral_inout = NULL;
+ // Connect to session/init object.
+ zmq_assert (!inout);
+ zmq_assert (inout_);
encoder.set_inout (inout_);
decoder.set_inout (inout_);
+ inout = inout_;
+ // Connect to I/O threads poller object.
+ io_object_t::plug (io_thread_);
handle = add_fd (tcp_socket.get_fd ());
set_pollin (handle);
set_pollout (handle);
- inout = inout_;
-
// Flush all the data that may have been already received downstream.
in_event ();
}
void zmq::zmq_engine_t::unplug ()
{
+ zmq_assert (plugged);
+ plugged = false;
+
+ // Cancel all fd subscriptions.
rm_fd (handle);
+
+ // Disconnect from I/O threads poller object.
+ io_object_t::unplug ();
+
+ // Disconnect from init/session object.
encoder.set_inout (NULL);
decoder.set_inout (NULL);
+ ephemeral_inout = inout;
inout = NULL;
}
+void zmq::zmq_engine_t::terminate ()
+{
+ unplug ();
+ delete this;
+}
+
void zmq::zmq_engine_t::in_event ()
{
bool disconnection = false;
@@ -106,23 +123,36 @@ void zmq::zmq_engine_t::in_event ()
// Push the data to the decoder.
size_t processed = decoder.process_buffer (inpos, insize);
- // Stop polling for input if we got stuck.
- if (processed < insize) {
-
- // This may happen if queue limits are in effect or when
- // init object reads all required information from the socket
- // and rejects to read more data.
- reset_pollin (handle);
+ if (unlikely (processed == (size_t) -1)) {
+ disconnection = true;
}
+ else {
+
+ // Stop polling for input if we got stuck.
+ if (processed < insize) {
- // Adjust the buffer.
- inpos += processed;
- insize -= processed;
+ // This may happen if queue limits are in effect or when
+ // init object reads all required information from the socket
+ // and rejects to read more data.
+ if (plugged)
+ reset_pollin (handle);
+ }
+
+ // Adjust the buffer.
+ inpos += processed;
+ insize -= processed;
+ }
// Flush all messages the decoder may have produced.
- inout->flush ();
+ // If IO handler has unplugged engine, flush transient IO handler.
+ if (unlikely (!plugged)) {
+ zmq_assert (ephemeral_inout);
+ ephemeral_inout->flush ();
+ } else {
+ inout->flush ();
+ }
- if (disconnection)
+ if (inout && disconnection)
error ();
}
@@ -133,7 +163,14 @@ void zmq::zmq_engine_t::out_event ()
outpos = NULL;
encoder.get_data (&outpos, &outsize);
-
+
+ // If IO handler has unplugged engine, flush transient IO handler.
+ if (unlikely (!plugged)) {
+ zmq_assert (ephemeral_inout);
+ ephemeral_inout->flush ();
+ return;
+ }
+
// If there is no data to send, stop polling for output.
if (outsize == 0) {
reset_pollout (handle);
@@ -155,7 +192,7 @@ void zmq::zmq_engine_t::out_event ()
outsize -= nbytes;
}
-void zmq::zmq_engine_t::revive ()
+void zmq::zmq_engine_t::activate_out ()
{
set_pollout (handle);
@@ -166,30 +203,18 @@ void zmq::zmq_engine_t::revive ()
out_event ();
}
-void zmq::zmq_engine_t::resume_input ()
+void zmq::zmq_engine_t::activate_in ()
{
set_pollin (handle);
+ // Speculative read.
in_event ();
}
void zmq::zmq_engine_t::error ()
{
zmq_assert (inout);
-
- zmq_connecter_t *reconnecter = NULL;
- if (reconnect) {
-
- // Create a connecter object to attempt reconnect.
- // Ask it to wait for a while before reconnecting.
- reconnecter = new (std::nothrow) zmq_connecter_t (
- inout->get_io_thread (), inout->get_owner (),
- options, inout->get_ordinal (), true);
- zmq_assert (reconnecter);
- reconnecter->set_address (protocol.c_str(), address.c_str ());
- }
-
- inout->detach (reconnecter);
+ inout->detach ();
unplug ();
delete this;
}
diff --git a/src/zmq_engine.hpp b/src/zmq_engine.hpp
index d89dccc..47073cc 100644
--- a/src/zmq_engine.hpp
+++ b/src/zmq_engine.hpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -27,8 +28,8 @@
#include "i_engine.hpp"
#include "io_object.hpp"
#include "tcp_socket.hpp"
-#include "zmq_encoder.hpp"
-#include "zmq_decoder.hpp"
+#include "encoder.hpp"
+#include "decoder.hpp"
#include "options.hpp"
namespace zmq
@@ -38,16 +39,15 @@ namespace zmq
{
public:
- zmq_engine_t (class io_thread_t *parent_, fd_t fd_,
- const options_t &options_, bool reconnect_,
- const char *protocol_, const char *address_);
+ zmq_engine_t (fd_t fd_, const options_t &options_);
~zmq_engine_t ();
// i_engine interface implementation.
- void plug (struct i_inout *inout_);
+ void plug (class io_thread_t *io_thread_, struct i_inout *inout_);
void unplug ();
- void revive ();
- void resume_input ();
+ void terminate ();
+ void activate_in ();
+ void activate_out ();
// i_poll_events interface implementation.
void in_event ();
@@ -63,22 +63,23 @@ namespace zmq
unsigned char *inpos;
size_t insize;
- zmq_decoder_t decoder;
+ decoder_t decoder;
unsigned char *outpos;
size_t outsize;
- zmq_encoder_t encoder;
+ encoder_t encoder;
i_inout *inout;
+ // Detached transient inout handler.
+ i_inout *ephemeral_inout;
+
options_t options;
- bool reconnect;
- std::string protocol;
- std::string address;
+ bool plugged;
zmq_engine_t (const zmq_engine_t&);
- void operator = (const zmq_engine_t&);
+ const zmq_engine_t &operator = (const zmq_engine_t&);
};
}
diff --git a/src/zmq_init.cpp b/src/zmq_init.cpp
index 5824f5c..cf65d69 100644
--- a/src/zmq_init.cpp
+++ b/src/zmq_init.cpp
@@ -1,50 +1,56 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <string.h>
#include "zmq_init.hpp"
+#include "transient_session.hpp"
+#include "named_session.hpp"
+#include "socket_base.hpp"
#include "zmq_engine.hpp"
#include "io_thread.hpp"
#include "session.hpp"
#include "uuid.hpp"
+#include "blob.hpp"
#include "err.hpp"
-zmq::zmq_init_t::zmq_init_t (io_thread_t *parent_, socket_base_t *owner_,
- fd_t fd_, const options_t &options_, bool reconnect_,
- const char *protocol_, const char *address_, uint64_t session_ordinal_) :
- owned_t (parent_, owner_),
+zmq::zmq_init_t::zmq_init_t (io_thread_t *io_thread_,
+ socket_base_t *socket_, session_t *session_, fd_t fd_,
+ const options_t &options_) :
+ own_t (io_thread_, options_),
+ ephemeral_engine (NULL),
sent (false),
received (false),
- session_ordinal (session_ordinal_),
- options (options_)
+ socket (socket_),
+ session (session_),
+ io_thread (io_thread_)
{
// Create the engine object for this connection.
- engine = new (std::nothrow) zmq_engine_t (parent_, fd_, options,
- reconnect_, protocol_, address_);
- zmq_assert (engine);
+ engine = new (std::nothrow) zmq_engine_t (fd_, options);
+ alloc_assert (engine);
}
zmq::zmq_init_t::~zmq_init_t ()
{
if (engine)
- delete engine;
+ engine->terminate ();
}
bool zmq::zmq_init_t::read (::zmq_msg_t *msg_)
@@ -60,9 +66,8 @@ bool zmq::zmq_init_t::read (::zmq_msg_t *msg_)
options.identity.size ());
sent = true;
- // If initialisation is done, pass the engine to the session and
- // destroy the init object.
- finalise ();
+ // Try finalize initialization.
+ finalise_initialisation ();
return true;
}
@@ -85,9 +90,14 @@ bool zmq::zmq_init_t::write (::zmq_msg_t *msg_)
peer_identity.assign ((const unsigned char*) zmq_msg_data (msg_),
zmq_msg_size (msg_));
}
+ int rc = zmq_msg_close (msg_);
+ zmq_assert (rc == 0);
received = true;
+ // Try finalize initialization.
+ finalise_initialisation ();
+
return true;
}
@@ -97,46 +107,30 @@ void zmq::zmq_init_t::flush ()
if (!received)
return;
- // If initialisation is done, pass the engine to the session and
- // destroy the init object.
- finalise ();
+ // Initialization is done, dispatch engine.
+ if (ephemeral_engine)
+ dispatch_engine ();
}
-void zmq::zmq_init_t::detach (owned_t *reconnecter_)
+void zmq::zmq_init_t::detach ()
{
// This function is called by engine when disconnection occurs.
- // If required, launch the reconnecter.
- if (reconnecter_) {
- send_plug (reconnecter_);
- send_own (owner, reconnecter_);
- }
+ // If there is an associated session, send it a null engine to let it know
+ // that connection process was unsuccesful.
+ if (session)
+ send_attach (session, NULL, blob_t (), true);
// The engine will destroy itself, so let's just drop the pointer here and
// start termination of the init object.
engine = NULL;
- term ();
-}
-
-zmq::io_thread_t *zmq::zmq_init_t::get_io_thread ()
-{
- return choose_io_thread (options.affinity);
-}
-
-class zmq::socket_base_t *zmq::zmq_init_t::get_owner ()
-{
- return owner;
-}
-
-uint64_t zmq::zmq_init_t::get_ordinal ()
-{
- return session_ordinal;
+ terminate ();
}
void zmq::zmq_init_t::process_plug ()
{
zmq_assert (engine);
- engine->plug (this);
+ engine->plug (io_thread, this);
}
void zmq::zmq_init_t::process_unplug ()
@@ -145,51 +139,78 @@ void zmq::zmq_init_t::process_unplug ()
engine->unplug ();
}
-void zmq::zmq_init_t::finalise ()
+void zmq::zmq_init_t::finalise_initialisation ()
+{
+ // Unplug and prepare to dispatch engine.
+ if (sent && received) {
+ ephemeral_engine = engine;
+ engine = NULL;
+ ephemeral_engine->unplug ();
+ return;
+ }
+}
+
+void zmq::zmq_init_t::dispatch_engine ()
{
if (sent && received) {
- // Disconnect the engine from the init object.
- engine->unplug ();
+ // Engine must be detached.
+ zmq_assert (!engine);
+ zmq_assert (ephemeral_engine);
+
+ // If we know what session we belong to, it's easy, just send the
+ // engine to that session and destroy the init object. Note that we
+ // know about the session only if this object is owned by it. Thus,
+ // lifetime of this object in contained in the lifetime of the session
+ // so the pointer cannot become invalid without notice.
+ if (session) {
+ send_attach (session, ephemeral_engine, peer_identity, true);
+ terminate ();
+ return;
+ }
- session_t *session = NULL;
-
- // If we have the session ordinal, let's use it to find the session.
- // If it is not found, it means socket is already being shut down
- // and the session have been deallocated.
- // TODO: We should check whether the name of the peer haven't changed
- // upon reconnection.
- if (session_ordinal) {
- session = owner->find_session (session_ordinal);
- if (!session) {
- term ();
- return;
- }
+ // All the cases below are listener-based. Therefore we need the socket
+ // reference so that new sessions can bind to that socket.
+ zmq_assert (socket);
+
+ // We have no associated session. If the peer has no identity we'll
+ // create a transient session for the connection. Note that
+ // seqnum is incremented to account for attach command before the
+ // session is launched. That way we are sure it won't terminate before
+ // being attached.
+ if (peer_identity [0] == 0) {
+ session = new (std::nothrow) transient_session_t (io_thread,
+ socket, options);
+ alloc_assert (session);
+ session->inc_seqnum ();
+ launch_sibling (session);
+ send_attach (session, ephemeral_engine, peer_identity, false);
+ terminate ();
+ return;
}
- else {
-
- // If the peer has a unique name, find the associated session.
- // If it does not exist, create it.
- zmq_assert (!peer_identity.empty ());
- session = owner->find_session (peer_identity);
- if (!session) {
- session = new (std::nothrow) session_t (
- choose_io_thread (options.affinity), owner, options,
- peer_identity);
- zmq_assert (session);
- send_plug (session);
- send_own (owner, session);
-
- // Reserve a sequence number for following 'attach' command.
- session->inc_seqnum ();
- }
+
+ // Try to find the session corresponding to the peer's identity.
+ // If found, send the engine to that session and destroy this object.
+ // Note that session's seqnum is incremented by find_session rather
+ // than by send_attach.
+ session = socket->find_session (peer_identity);
+ if (session) {
+ send_attach (session, ephemeral_engine, peer_identity, false);
+ terminate ();
+ return;
}
- // No need to increment seqnum as it was already incremented above.
- send_attach (session, engine, peer_identity, false);
-
- // Destroy the init object.
- engine = NULL;
- term ();
+ // There's no such named session. We have to create one. Note that
+ // seqnum is incremented to account for attach command before the
+ // session is launched. That way we are sure it won't terminate before
+ // being attached.
+ session = new (std::nothrow) named_session_t (io_thread, socket,
+ options, peer_identity);
+ alloc_assert (session);
+ session->inc_seqnum ();
+ launch_sibling (session);
+ send_attach (session, ephemeral_engine, peer_identity, false);
+ terminate ();
+ return;
}
}
diff --git a/src/zmq_init.hpp b/src/zmq_init.hpp
index 6f935c2..d90915a 100644
--- a/src/zmq_init.hpp
+++ b/src/zmq_init.hpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -22,10 +23,9 @@
#include "i_inout.hpp"
#include "i_engine.hpp"
-#include "owned.hpp"
+#include "own.hpp"
#include "fd.hpp"
#include "stdint.hpp"
-#include "options.hpp"
#include "stdint.hpp"
#include "blob.hpp"
@@ -34,54 +34,58 @@ namespace zmq
// The class handles initialisation phase of 0MQ wire-level protocol.
- class zmq_init_t : public owned_t, public i_inout
+ class zmq_init_t : public own_t, public i_inout
{
public:
- zmq_init_t (class io_thread_t *parent_, socket_base_t *owner_,
- fd_t fd_, const options_t &options_, bool reconnect_,
- const char *protocol_, const char *address_,
- uint64_t session_ordinal_);
+ zmq_init_t (class io_thread_t *io_thread_, class socket_base_t *socket_,
+ class session_t *session_, fd_t fd_, const options_t &options_);
~zmq_init_t ();
private:
- void finalise ();
+ void finalise_initialisation ();
+ void dispatch_engine ();
// i_inout interface implementation.
bool read (::zmq_msg_t *msg_);
bool write (::zmq_msg_t *msg_);
void flush ();
- void detach (owned_t *reconnecter_);
- class io_thread_t *get_io_thread ();
- class socket_base_t *get_owner ();
- uint64_t get_ordinal ();
+ void detach ();
// Handlers for incoming commands.
void process_plug ();
void process_unplug ();
- // Associated wite-protocol engine.
+ // Associated wire-protocol engine.
i_engine *engine;
+ // Detached transient engine.
+ i_engine *ephemeral_engine;
+
// True if our own identity was already sent to the peer.
bool sent;
// True if peer's identity was already received.
bool received;
+ // Socket the object belongs to.
+ class socket_base_t *socket;
+
+ // Reference to the session the init object belongs to.
+ // If the associated session is unknown and should be found
+ // depending on peer identity this value is NULL.
+ class session_t *session;
+
// Identity of the peer socket.
blob_t peer_identity;
- // TCP connecter creates session before the name of the peer is known.
- // Thus we know only its ordinal number.
- uint64_t session_ordinal;
-
- // Associated socket options.
- options_t options;
+ // I/O thread the object is living in. It will be used to plug
+ // the engine into the same I/O thread.
+ class io_thread_t *io_thread;
zmq_init_t (const zmq_init_t&);
- void operator = (const zmq_init_t&);
+ const zmq_init_t &operator = (const zmq_init_t&);
};
}
diff --git a/src/zmq_listener.cpp b/src/zmq_listener.cpp
index d7cf292..e3f3bd8 100644
--- a/src/zmq_listener.cpp
+++ b/src/zmq_listener.cpp
@@ -1,19 +1,20 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -24,11 +25,11 @@
#include "io_thread.hpp"
#include "err.hpp"
-zmq::zmq_listener_t::zmq_listener_t (io_thread_t *parent_,
- socket_base_t *owner_, const options_t &options_) :
- owned_t (parent_, owner_),
- io_object_t (parent_),
- options (options_)
+zmq::zmq_listener_t::zmq_listener_t (io_thread_t *io_thread_,
+ socket_base_t *socket_, const options_t &options_) :
+ own_t (io_thread_, options_),
+ io_object_t (io_thread_),
+ socket (socket_)
{
}
@@ -38,7 +39,7 @@ zmq::zmq_listener_t::~zmq_listener_t ()
int zmq::zmq_listener_t::set_address (const char *protocol_, const char *addr_)
{
- return tcp_listener.set_address (protocol_, addr_);
+ return tcp_listener.set_address (protocol_, addr_, options.backlog);
}
void zmq::zmq_listener_t::process_plug ()
@@ -48,9 +49,10 @@ void zmq::zmq_listener_t::process_plug ()
set_pollin (handle);
}
-void zmq::zmq_listener_t::process_unplug ()
+void zmq::zmq_listener_t::process_term (int linger_)
{
rm_fd (handle);
+ own_t::process_term (linger_);
}
void zmq::zmq_listener_t::in_event ()
@@ -62,14 +64,15 @@ void zmq::zmq_listener_t::in_event ()
if (fd == retired_fd)
return;
- // Create an init object.
+ // Choose I/O thread to run connecter in. Given that we are already
+ // running in an I/O thread, there must be at least one available.
io_thread_t *io_thread = choose_io_thread (options.affinity);
- zmq_init_t *init = new (std::nothrow) zmq_init_t (
- io_thread, owner, fd, options, false, NULL, NULL, 0);
- zmq_assert (init);
- send_plug (init);
- send_own (owner, init);
-}
-
+ zmq_assert (io_thread);
+ // Create and launch an init object.
+ zmq_init_t *init = new (std::nothrow) zmq_init_t (io_thread, socket,
+ NULL, fd, options);
+ alloc_assert (init);
+ launch_child (init);
+}
diff --git a/src/zmq_listener.hpp b/src/zmq_listener.hpp
index c990b02..82f4590 100644
--- a/src/zmq_listener.hpp
+++ b/src/zmq_listener.hpp
@@ -1,40 +1,40 @@
/*
- Copyright (c) 2007-2010 iMatix Corporation
+ Copyright (c) 2007-2011 iMatix Corporation
+ Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
+ the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
- You should have received a copy of the Lesser GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __ZMQ_ZMQ_LISTENER_HPP_INCLUDED__
#define __ZMQ_ZMQ_LISTENER_HPP_INCLUDED__
-#include "owned.hpp"
+#include "own.hpp"
#include "io_object.hpp"
#include "tcp_listener.hpp"
-#include "options.hpp"
#include "stdint.hpp"
namespace zmq
{
- class zmq_listener_t : public owned_t, public io_object_t
+ class zmq_listener_t : public own_t, public io_object_t
{
public:
- zmq_listener_t (class io_thread_t *parent_, socket_base_t *owner_,
- const options_t &options_);
+ zmq_listener_t (class io_thread_t *io_thread_,
+ class socket_base_t *socket_, const options_t &options_);
~zmq_listener_t ();
// Set address to listen on.
@@ -44,7 +44,7 @@ namespace zmq
// Handlers for incoming commands.
void process_plug ();
- void process_unplug ();
+ void process_term (int linger_);
// Handlers for I/O events.
void in_event ();
@@ -55,11 +55,11 @@ namespace zmq
// Handle corresponding to the listening socket.
handle_t handle;
- // Associated socket options.
- options_t options;
+ // Socket the listerner belongs to.
+ class socket_base_t *socket;
zmq_listener_t (const zmq_listener_t&);
- void operator = (const zmq_listener_t&);
+ const zmq_listener_t &operator = (const zmq_listener_t&);
};
}