From 9f1f823b7b69ced56bdb0416feef71230cc7fd55 Mon Sep 17 00:00:00 2001 From: Martin Sustrik Date: Sun, 9 Aug 2009 16:12:09 +0200 Subject: zmq_listener/zmq_connecter implemented --- src/zmq_connecter.cpp | 110 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 110 insertions(+) create mode 100644 src/zmq_connecter.cpp (limited to 'src/zmq_connecter.cpp') diff --git a/src/zmq_connecter.cpp b/src/zmq_connecter.cpp new file mode 100644 index 0000000..513508d --- /dev/null +++ b/src/zmq_connecter.cpp @@ -0,0 +1,110 @@ +/* + Copyright (c) 2007-2009 FastMQ Inc. + + 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 . +*/ + +#include "zmq_connecter.hpp" +#include "err.hpp" + +zmq::zmq_connecter_t::zmq_connecter_t (io_thread_t *parent_, object_t *owner_) : + io_object_t (parent_, owner_), + waiting (false) +{ +} + +zmq::zmq_connecter_t::~zmq_connecter_t () +{ +} + +int zmq::zmq_connecter_t::set_address (const char *addr_) +{ + return tcp_connecter.set_address (addr_); +} + +void zmq::zmq_connecter_t::process_plug () +{ + start_connecting (); + io_object_t::process_plug (); +} + +void zmq::zmq_connecter_t::process_unplug () +{ + if (!waiting) + rm_fd (handle); +} + +void zmq::zmq_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::zmq_connecter_t::out_event () +{ + fd_t fd = tcp_connecter.connect (); + + // If there was error during the connecting, close the socket and wait + // for a while before trying to reconnect. + if (fd == retired_fd) { + rm_fd (handle); + tcp_connecter.close (); + waiting = true; + add_timer (); + return; + } + + zmq_assert (false); + +/* + object_t *engine = new zmq_engine_t (choose_io_thread (0), owner); + send_plug (engine); + send_own (owner, engine); +*/ +} + +void zmq::zmq_connecter_t::timer_event () +{ + // Reconnect period have elapsed. + waiting = false; + start_connecting (); +} + +void zmq::zmq_connecter_t::start_connecting () +{ + // Open the connecting socket. + int rc = tcp_connecter.open (); + + // Connect may succeed in synchronous manner. + if (rc == 0) { + out_event (); + return; + } + + // Connection establishment may be dealyed. Poll for its completion. + else if (rc == -1 && errno == EINPROGRESS) { + handle = add_fd (tcp_connecter.get_fd ()); + set_pollout (handle); + return; + } + + // If none of the above is true, synchronous error occured. + // Wait for a while and retry. + waiting = true; + add_timer (); +} -- cgit v1.2.3