From f773a9e05340d4de7dd16d0e375a12611c3995b6 Mon Sep 17 00:00:00 2001
From: Shauren <shauren.trinity@gmail.com>
Date: Fri, 17 Oct 2014 22:48:06 +0200
Subject: Core: Implemented IPC (Inter-process communication) between
 worldserver and bnetserver using ZeroMQ library.

* Implemented ToonReady and ToonLoggedOut battle.net packets
---
 src/server/ipc/ZMQTask.cpp | 93 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 93 insertions(+)
 create mode 100644 src/server/ipc/ZMQTask.cpp

(limited to 'src/server/ipc/ZMQTask.cpp')

diff --git a/src/server/ipc/ZMQTask.cpp b/src/server/ipc/ZMQTask.cpp
new file mode 100644
index 00000000000..0d25dc2babf
--- /dev/null
+++ b/src/server/ipc/ZMQTask.cpp
@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2008-2014 TrinityCore <http://www.trinitycore.org/>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program 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 General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "ZMQTask.h"
+#include "ZmqContext.h"
+#include <zmqpp/message.hpp>
+
+ZMQTask::ZMQTask()
+{
+    _poller = new zmqpp::poller();
+}
+
+ZMQTask::~ZMQTask()
+{
+    delete _poller;
+    _poller = NULL;
+    delete _inproc;
+    delete _thread;
+}
+
+void ZMQTask::Start()
+{
+    _inproc = sIpcContext->CreateInprocSubscriber();
+    _poller->add(*_inproc);
+
+    HandleOpen();
+    _thread = new std::thread(&ZMQTask::Run, this);
+}
+
+void ZMQTask::End()
+{
+    _thread->join();
+    _inproc->close();
+    HandleClose();
+}
+
+bool ZMQTask::ProcessExit()
+{
+    if (_poller->events(*_inproc) == zmqpp::poller::poll_in)
+    {
+        int op1;
+        do
+        {
+            zmqpp::message msg;
+            if (!_inproc->receive(msg, true))
+                return false; //No more messages to read from sock. This shouldn't happen.
+
+            // strip 'internalmq.' from message
+            std::string cmd = msg.get(0).substr(11);
+            if (cmd == "kill")
+                return true;
+
+            _inproc->get(zmqpp::socket_option::events, op1);
+        } while (op1 & zmqpp::poller::poll_in);
+    }
+
+    return false;
+}
+
+void ZMQTask::Pipeline(zmqpp::socket* from, zmqpp::socket* to)
+{
+    /*
+      Push messages from socket to socket.
+    */
+    if (_poller->events(*from) == zmqpp::poller::poll_in)
+    {
+        int32 op1, op2;
+        do
+        {
+            zmqpp::message msg;
+            if (!from->receive(msg, true))
+                return; //No more messages to read from socket. This shouldn't happen.
+
+            to->send(msg);
+            from->get(zmqpp::socket_option::events, op1);
+            to->get(zmqpp::socket_option::events, op2);
+        } while(op1 & zmqpp::poller::poll_in && op2 & zmqpp::poller::poll_out);
+    }
+}
-- 
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