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authorsustrik <sustrik@250bpm.com>2011-11-04 02:15:37 -0700
committersustrik <sustrik@250bpm.com>2011-11-04 02:15:37 -0700
commit6cdd720400ea456ccbfdf09cdc5054ab07dbdc6f (patch)
tree6a25ede64ac1252e022feb91b1342cdc38e3dcf5 /src/vtcp_connecter.cpp
parent541b83bc02784c721efa3d9dde8f8a191c3c3b7b (diff)
parente9c3a227a7175b4eda5193b1c8ce6985f5ed89f3 (diff)
Merge pull request #220 from 250bpm/HEAD
Refactoring
Diffstat (limited to 'src/vtcp_connecter.cpp')
-rw-r--r--src/vtcp_connecter.cpp251
1 files changed, 0 insertions, 251 deletions
diff --git a/src/vtcp_connecter.cpp b/src/vtcp_connecter.cpp
deleted file mode 100644
index 5dc147e..0000000
--- a/src/vtcp_connecter.cpp
+++ /dev/null
@@ -1,251 +0,0 @@
-/*
- 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 "vtcp_connecter.hpp"
-
-#if defined ZMQ_HAVE_VTCP
-
-#include <new>
-#include <string>
-
-#include "stream_engine.hpp"
-#include "io_thread.hpp"
-#include "platform.hpp"
-#include "random.hpp"
-#include "likely.hpp"
-#include "err.hpp"
-#include "ip.hpp"
-
-#if defined ZMQ_HAVE_WINDOWS
-#include "windows.hpp"
-#else
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <arpa/inet.h>
-#include <netinet/tcp.h>
-#include <netinet/in.h>
-#include <netdb.h>
-#include <fcntl.h>
-#ifdef ZMQ_HAVE_OPENVMS
-#include <ioctl.h>
-#endif
-#endif
-
-zmq::vtcp_connecter_t::vtcp_connecter_t (class io_thread_t *io_thread_,
- class session_base_t *session_, const options_t &options_,
- const char *address_, bool wait_) :
- own_t (io_thread_, options_),
- io_object_t (io_thread_),
- s (retired_fd),
- handle_valid (false),
- wait (wait_),
- session (session_),
- current_reconnect_ivl(options.reconnect_ivl)
-{
- subport = 0;
-
- int rc = set_address (address_);
- zmq_assert (rc == 0);
-}
-
-zmq::vtcp_connecter_t::~vtcp_connecter_t ()
-{
- if (wait)
- cancel_timer (reconnect_timer_id);
- if (handle_valid)
- rm_fd (handle);
-
- if (s != retired_fd)
- close ();
-}
-
-int zmq::vtcp_connecter_t::set_address (const char *addr_)
-{
- const char *delimiter = strrchr (addr_, '.');
- if (!delimiter) {
- delimiter = strrchr (addr_, ':');
- if (!delimiter) {
- errno = EINVAL;
- return -1;
- }
- std::string addr_str (addr_, delimiter - addr_);
- addr_str += ":9220";
- std::string subport_str (delimiter + 1);
- subport = (vtcp_subport_t) atoi (subport_str.c_str ());
- int rc = address.resolve (addr_str.c_str (), false, true);
- if (rc != 0)
- return -1;
- }
- else {
- std::string addr_str (addr_, delimiter - addr_);
- std::string subport_str (delimiter + 1);
- subport = (vtcp_subport_t) atoi (subport_str.c_str ());
- int rc = address.resolve (addr_str.c_str (), false, true);
- if (rc != 0)
- return -1;
- }
-
- return 0;
-}
-
-void zmq::vtcp_connecter_t::process_plug ()
-{
- if (wait)
- add_reconnect_timer();
- else
- start_connecting ();
-}
-
-void zmq::vtcp_connecter_t::in_event ()
-{
- // We are not polling for incomming data, so we are actually called
- // because of error here. However, we can get error on out event as well
- // on some platforms, so we'll simply handle both events in the same way.
- out_event ();
-}
-
-void zmq::vtcp_connecter_t::out_event ()
-{
- fd_t fd = connect ();
- rm_fd (handle);
- handle_valid = false;
-
- // Handle the error condition by attempt to reconnect.
- if (fd == retired_fd) {
- close ();
- wait = true;
- add_reconnect_timer();
- return;
- }
-
- // Create the engine object for this connection.
- stream_engine_t *engine = new (std::nothrow) stream_engine_t (fd, options);
- alloc_assert (engine);
-
- // Attach the engine to the corresponding session object.
- send_attach (session, engine);
-
- // Shut the connecter down.
- terminate ();
-}
-
-void zmq::vtcp_connecter_t::timer_event (int id_)
-{
- zmq_assert (id_ == reconnect_timer_id);
- wait = false;
- start_connecting ();
-}
-
-void zmq::vtcp_connecter_t::start_connecting ()
-{
- // Open the connecting socket.
- int rc = open ();
-
- // Handle error condition by eventual reconnect.
- if (unlikely (rc != 0)) {
- errno_assert (false);
- wait = true;
- add_reconnect_timer();
- return;
- }
-
- // Connection establishment may be dealyed. Poll for its completion.
- handle = add_fd (s);
- handle_valid = true;
- set_pollout (handle);
-}
-
-void zmq::vtcp_connecter_t::add_reconnect_timer()
-{
- add_timer (get_new_reconnect_ivl(), reconnect_timer_id);
-}
-
-int zmq::vtcp_connecter_t::get_new_reconnect_ivl ()
-{
- // The new interval is the current interval + random value.
- int this_interval = current_reconnect_ivl +
- (generate_random () % 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;
-}
-
-int zmq::vtcp_connecter_t::open ()
-{
- zmq_assert (s == retired_fd);
-
- // Start the connection procedure.
- sockaddr_in *paddr = (sockaddr_in*) address.addr ();
- s = vtcp_connect (paddr->sin_addr.s_addr, ntohs (paddr->sin_port));
-
- // Connect was successfull immediately.
- if (s != retired_fd)
- return 0;
-
- // Asynchronous connect was launched.
- if (errno == EINPROGRESS) {
- errno = EAGAIN;
- return -1;
- }
-
- // Error occured.
- return -1;
-}
-
-zmq::fd_t zmq::vtcp_connecter_t::connect ()
-{
- int rc = vtcp_acceptc (s, subport);
- if (rc != 0) {
- int err = errno;
- close ();
- errno = err;
- return retired_fd;
- }
-
- tune_tcp_socket (s);
-
- fd_t result = s;
- s = retired_fd;
- return result;
-}
-
-int zmq::vtcp_connecter_t::close ()
-{
- zmq_assert (s != retired_fd);
- int rc = ::close (s);
- if (rc != 0)
- return -1;
- s = retired_fd;
- return 0;
-}
-
-#endif
-