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authorMartin Lucina <martin@lucina.net>2012-01-23 08:53:19 +0100
committerMartin Lucina <martin@lucina.net>2012-01-23 08:53:19 +0100
commita15854bd92db69fcd0b4444fe1b8fe3610a7acf6 (patch)
tree1214b945d0f0033ff318de367c70525ea141ef56 /src/io_thread.cpp
Imported Upstream version 2.0.7.dfsgupstream/2.0.7.dfsg
Diffstat (limited to 'src/io_thread.cpp')
-rw-r--r--src/io_thread.cpp105
1 files changed, 105 insertions, 0 deletions
diff --git a/src/io_thread.cpp b/src/io_thread.cpp
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+/*
+ 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 "../include/zmq.h"
+
+#include "io_thread.hpp"
+#include "platform.hpp"
+#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_)
+{
+ poller = new (std::nothrow) poller_t;
+ zmq_assert (poller);
+
+ signaler_handle = poller->add_fd (signaler.get_fd (), this);
+ poller->set_pollin (signaler_handle);
+}
+
+zmq::io_thread_t::~io_thread_t ()
+{
+ delete poller;
+}
+
+void zmq::io_thread_t::start ()
+{
+ // Start the underlying I/O thread.
+ poller->start ();
+}
+
+void zmq::io_thread_t::stop ()
+{
+ send_stop ();
+}
+
+zmq::signaler_t *zmq::io_thread_t::get_signaler ()
+{
+ return &signaler;
+}
+
+int zmq::io_thread_t::get_load ()
+{
+ return poller->get_load ();
+}
+
+void zmq::io_thread_t::in_event ()
+{
+ // TODO: Do we want to limit number of commands I/O thread can
+ // process in a single go?
+
+ while (true) {
+
+ // Get the next command. If there is none, exit.
+ command_t cmd;
+ if (!signaler.recv (&cmd, false))
+ break;
+
+ // Process the command.
+ cmd.destination->process_command (cmd);
+ }
+}
+
+void zmq::io_thread_t::out_event ()
+{
+ // We are never polling for POLLOUT here. This function is never called.
+ zmq_assert (false);
+}
+
+void zmq::io_thread_t::timer_event ()
+{
+ // No timers here. This function is never called.
+ zmq_assert (false);
+}
+
+zmq::poller_t *zmq::io_thread_t::get_poller ()
+{
+ zmq_assert (poller);
+ return poller;
+}
+
+void zmq::io_thread_t::process_stop ()
+{
+ poller->rm_fd (signaler_handle);
+ poller->stop ();
+}