Imported Upstream version 2.0.7.dfsgupstream/2.0.7.dfsg

1 files changed, 105 insertions, 0 deletions

diff --git a/src/io_thread.cpp b/src/io_thread.cpp
new file mode 100644
index 0000000..fac6961
--- /dev/null
+++ b/src/io_thread.cpp
@@ -0,0 +1,105 @@
+/*
+    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 ();
+}