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2012-06-13Revert "Minor fixed to UDP transport."Martin Sustrik
This reverts commit b3875624ba409160da6ad9292b5ec1e1ec5f2bef.
2012-06-13Revert "UDP fixed on FreeBSD"Martin Sustrik
This reverts commit b018208d5901873a374d08a98cf31e3bb89d12d0.
2012-06-13Revert "Implement SP wire protocol"Martin Sustrik
This reverts commit a34ea4d80609395150742259fd8c9caa4409e961.
2012-06-02UDP fixed on FreeBSDMartin Sustrik
readv and writev are defined in sys/uio.h according to POSIX standard. Not including this header caused build to fail on FreeBSD. This patch fixed the problem. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-06-01Minor fixed to UDP transport.Martin Sustrik
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-06-01UDP supportMartin Lucina
Signed-off-by: Martin Lucina <martin@lucina.net>
2012-06-01Assertions improvedMartin Sustrik
This patch is replaces generic xs_asserts by errno_assers and alloc_asserts as appropriate. It is based on 0MQ patch by Martin Hurton. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-05-31Properly handle infinite timeout in zmq_poll()Martin Sustrik
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-05-31Don't assume SOCKET_ERROR is -1 on WindowsMartin Hurton
2012-05-31Polling on SURVEYOR socket implementedMartin Sustrik
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-05-26Topic filter implementedMartin Sustrik
The filter is build into libxs rather than being a plug-in. It's ID is XS_FILTER_TOPIC. The filter assumed that the messages are text-based and consider binary 0 to be a delimiter separating message topic from the message body. Use of the delimiter is not mandatory though. If binary zero is not present, whole message is used for matching. The topic is separated into elements using dots, e.g. "animals.dogs.fluffy". Subscriptions match individual elements. Each element can be matched by either literal string or a wildcard (*), for example: "animals.*.fluffy" matches all animals called Fluffy irrsepctive of whether they are dogs, cats or whatever. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-05-25Implement SP wire protocolMartin Lucina
Implements the SP wire protocol, and infrastructure for legacy wire protocol support. Also added an XS_SERVICE_ID socket option to set the service id and renamed the XS_PROTOCOL option to XS_PATTERN_VERSION. The following pattern versions are supported: PAIR: v3 PUBSUB: v1 (legacy), v4 REQREP: v2 PIPELINE: v3 SURVEY: v2 Note that all existing pattern versions have been bumped by 1 to allow for use of legacy protocols (otherwise there would be no way to distinguish between e.g. PUBSUB v3 and PUBSUB v3 using SP). Signed-off-by: Martin Lucina <martin@lucina.net>
2012-05-21Fixes a conflict with XenStore (seeMartin Lucina
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=668550) Signed-off-by: Martin Lucina <martin@lucina.net>
2012-05-21Expired survey returns ETIMEDOUT instead of EAGAINMartin Sustrik
Up to now, when survey in surveyor pattern expired, xs_recv() returned EAGAIN. That made it impossible to distinguish epired survey from expired receive timeout (XS_RCVTIMEO). This patch make errors different in both cases. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-05-21Improve error handling on WindowsSteven McCoy
2012-05-21Use global event to synchronise signaler creation on WindowsMartin Sustrik
So far, the event used for signaler creation was local to the session, so, in theory, processes in two different sessions could accidentally interconnect their signalers. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-05-20Install plugins under $(libdir) to simplify multi-arch packagingGabriele Svelto
Signed-off-by: Gabriele Svelto <gabriele.svelto@gmail.com>
2012-05-18Opening plug-in directory made more robustMartin Sustrik
If plugin directory doesn't exist, is a file or user has no permissions to access it, the plugins are not loaded. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-05-15Do not crash when multiple peers connect to PAIR socketMartin Hurton
When more then one peer connected to a PAIR socket, an application aborted due to assertion failure. This patch changes the PAIR socket behaviour so that it rejects any further connection requests.
2012-05-13Move inclusion of select() and poll() headers to a single placeGabriele Svelto
Signed-off-by: Gabriele Svelto <gabriele.svelto@gmail.com>
2012-05-12Enabled plug-in loading on all hosts with support for dlopen()Gabriele Svelto
Previously the code used for loading plug-ins would be built only on Linux hosts. Now the required functions are checked for and plug-in loading code is enabled if those are present on all platforms. Using lstat() to check for file types also increases portability to hosts that do not have the dirent.d_type field. If shared libraries support is disabled plug-ins will also be automatically disabled. Signed-off-by: Gabriele Svelto <gabriele.svelto@gmail.com>
2012-05-12Inheritance on signaler's socket on Windows switched offMartin Sustrik
Accidentally, one of the sockets in Windows signaler_t was opened usign WSASocket instead of xs::open_socket. That skipped the standard XS socket initialisation and caused the socket to be inheritable to the child processes. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-05-12Fix decoder to properly handle large messagesMartin Hurton
The decoder did not properly decode large messages on systems where sizeof (size_t) < sizeof (uint64_t).
2012-05-11Command throttling breaking HWM algorithms -- fixed.Martin Sustrik
When HWM was set to small value it may have happened that command indicating that pipe is ready for writing wasn't processed because of command throttling. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-05-11Improve command processing efficiencyMartin Sustrik
When processing commands with throttling switched off, RDTSC instruction was executed, but the result was never used. This patch eliminates the unneeded instruction. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-05-11Fix issue #268Martin Hurton
This patch fixes a bug in the message encoder which was responsible for computing incorrect message offset. The bug affected PGM receiver making it unable to decode inital messages.
2012-05-09Build on Windows and OpenVMS fixedMartin Sustrik
On Windows and OpenVMS there is no IPC transport. This patch fixes the problem introduced by previous patches, where the fact is not taken into account. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-05-09Trivial coding style fix.Martin Sustrik
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-05-09Whitespace fixes in pgm_socket.cppDouglas Young
2012-05-09Return an error on invalid (e)pgm:// connectionDouglas Young
This prevents the long-standing issue of an invalid pgm or epgm connection string from causing an assert when the connection is attempted and fails.
2012-05-06Return error if an invalid connection string is usedDouglas Young
This patch reintroduces the behaviour that if a tcp:// or ipc:// connection string which is invalid is passed to xs_connect, then an error is reported, instead of asserting at connection time
2012-05-04Correct handling of connect() errors in tcp, ipc_connecter_tMartin Lucina
EAGAIN was being used as a translation value for EINPROGRESS, thus shadowing a real EAGAIN return value from the OS. This caused later assertions of "Invalid argument" in stream_engine.cpp when it attempted to use a socket which was not connected. I also add EINTR to mean EINPROGRESS, as per the POSIX and FreeBSD documentation which specifies that a connect() call interrupted due to a signal will complete asynchronously. Signed-off-by: Martin Lucina <martin@lucina.net>
2012-05-02Conditionally include header files required by select() and poll()Gabriele Svelto
Feature checks are introduced to check for all the headers required by the select() and poll() calls. Include files are then included conditionally without the use of any OS-specific directive. The change also fixes a couple of problems: - Fixed compilation under FreeBSD, NetBSD and OpenBSD when forcing the use of select() in the poller - Quieted a warning mixed-sign comparison warning on FreeBSD caused by FD_SETSIZE being declared as an unsigned constant on that OS - Removed the obsolescent AC_HEADER_TIME macro from the configure script Signed-off-by: Gabriele Svelto <gabriele.svelto@gmail.com>
2012-05-01Revert "Implement protocol versioning (except PGM)"Martin Sustrik
This reverts commit 512f3a604924fec9d89e2b4bfd6f73aa66309fa7.
2012-04-30'own' command replaced by synchronous callMartin Sustrik
The commands was a vestige of the removed 'durable sockets' feature Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-04-30Fix premature poll reset_polloutPaul Colomiets
Signed-off-by: Paul Colomiets <paul@colomiets.name>
2012-04-29Implement protocol versioning (except PGM)Martin Lucina
Implements SP protocol versioning, legacy protocol support, and the following pattern protocol versions: PAIR: v2 PUBSUB: v1 (legacy), v3 REQREP: v1 PIPELINE: v2 SURVEY: v1 Engine support is only for stream_engine_t at this stage. Signed-off-by: Martin Lucina <martin@lucina.net>
2012-04-29Fix TCP/IPC socket shutdownMartin Sustrik
When socket in the process of asynchronous connect is being closed and the fact that there is no peer is found out at the same time close() may return ECONNRESET. This patch handles this situation decently. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-04-29atomic: prever inline asm over GCC builtins for armv7aAndrew W. Nosenko
As per Patrick Trantham comment http://groups.crossroads.io/r/topic/510xaadGgWVcXFdATnhAuN the GCC __sync_*() builtins are more generic but slower than specialized hand-written assembly for armv7a case. Therefore, the code is reordered for prefer inline assembly for armv7a over GCC builtins. * src/atomic_counter.hpp: (atomic_counter_t::add): (atomic_counter_t::sub): * src/atomic_ptr.hpp: (atomic_ptr_t::xchg): (atomic_ptr_t::cas): Prefer armv7a specific inline asm over GCC __sync_*() builtins.
2012-04-29atomic: revisit the atomic operation checks and their usageAndrew W. Nosenko
* configure.ac: Check for working Solaris/NetBSD-style atomic.h independly on OS. Add check for GCC-style __sync_*() builtins. New defines: XS_ATOMIC_GCC_SYNC, XS_ATOMIC_SOLARIS. Removed define: XS_FORCE_MUTEXES. * src/atomic_counter.hpp: (atomic_counter_t::add): (atomic_counter_t::sub): * src/atomic_ptr.hpp: (atomic_ptr_t::xchg): (atomic_ptr_t::cas): Use result of these checks. Preference order: 1. GCC-style __sync_*() builtins 2. Inline asm (x86, x86-64, armv7a) 3. Solaris/NetBSD-style atomic.h, Windows-specific API 4. Fallback to mutex-based implementation
2012-04-29atomic: prefer GCC __sync_*() builtins over inline asmAndrew W. Nosenko
Use GCC __sync_*() builtins when compiler claims to be GCC (GCC itself, Clang...) It can be disabled explicitly by using XS_DISABLE_GCC_SYNC_BUILTINS define. Just for any case. * src/atomic_counter.hpp [__GNUC__ && !XS_DISABLE_GCC_SYNC_BUILTINS]: (atomic_counter_t::add): (atomic_counter_t::sub): * src/atomic_ptr.hpp [__GNUC__ && !XS_DISABLE_GCC_SYNC_BUILTINS]: (atomic_ptr_t::xchg): (atomic_ptr_t::cas): Prefer GCC __sync_*() builtins over inline asm.
2012-04-29Implement atomic operations for armv7aPatrick Trantham
This commit implements atomic operations for the armv7a architecture using gcc inline assembly. This offers higher performance compared to pthread mutexes. Tested on an am3517 evm, clocked at 600MHz: ./inproc_thr 200 1000000 ------------------------ 53-60K messages / sec, pthread mutexes 73-90K messages / sec, assembly atomic ops ./inproc_lat 200 1000000 ------------------------ average latency: 42.234 [us], pthread mutexes average latency: 35.496 [us], assembly atomic ops
2012-04-29Fix a bug in prefix filter compaction logicAdam Guthrie
2012-04-27Truncate the message when it is sent to XSUBMartin Sustrik
This patch is based on patch by Martin Hurton from 0MQ project. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-04-25Solaris build fixedMartin Sustrik
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-04-25tcp_address_t and ipc_address_t merged into a single classMartin Sustrik
This patch is a preliminary work for mergine TCP and IPC connecters and listeners. The ultimated goal is to avoid code duplication occuring in these classes. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-04-22Initialise fd_set once for signler_t objectMartin Sustrik
Optimisation. Up to now new fd_set was initialised in each signaler_wait call. Now the fd_set is initialised once when signaler is created. This is useful espacially on Windows where fd_set is list of pointers rather than bitset and thus can be rather large. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-04-21Select polling mechanisms at one placeMartin Sustrik
This patch provides a single place for selecting polling mechanisms (polling.hpp). Up to now the selection was spread among the build system and several source files. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-04-21Fix a warning in MSVC buildMartin Sustrik
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-04-21xs_shutdown implementedMartin Sustrik
This patch allows for partial shutdown of the socket. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
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