Adding multiple transports support & other fixes:

- Avoid polling when only one input channel is used.
 - Send only handles for shared memory transport.
 - Avoid waiting in the rate logger thread when nothing to log.
 - Hide warnings from generated files
 - Fix #483

examples/MQ/multiple-transports/FairMQExampleMTSink.cxx

@@ -0,0 +1,50 @@
+/********************************************************************************
+ *    Copyright (C) 2014 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH    *
+ *                                                                              *
+ *              This software is distributed under the terms of the             * 
+ *         GNU Lesser General Public Licence version 3 (LGPL) version 3,        *  
+ *                  copied verbatim in the file "LICENSE"                       *
+ ********************************************************************************/
+/**
+ * FairMQExampleMTSink.cxx
+ *
+ * @since 2014-10-10
+ * @author A. Rybalchenko
+ */
+
+#include "FairMQExampleMTSink.h"
+#include "FairMQLogger.h"
+
+using namespace std;
+
+FairMQExampleMTSink::FairMQExampleMTSink()
+{
+    // register a handler for data arriving on "data" channel
+    OnData("data1", &FairMQExampleMTSink::HandleData1);
+    OnData("data2", &FairMQExampleMTSink::HandleData2);
+}
+
+// handler is called whenever a message arrives on "data", with a reference to the message and a sub-channel index (here 0)
+bool FairMQExampleMTSink::HandleData1(FairMQMessagePtr& /*msg*/, int /*index*/)
+{
+    // Creates a message using the transport of channel ack
+    FairMQMessagePtr ack(NewMessageFor("ack", 0));
+    if (Send(ack, "ack") < 0)
+    {
+        return false;
+    }
+
+    // return true if want to be called again (otherwise go to IDLE state)
+    return true;
+}
+
+// handler is called whenever a message arrives on "data", with a reference to the message and a sub-channel index (here 0)
+bool FairMQExampleMTSink::HandleData2(FairMQMessagePtr& /*msg*/, int /*index*/)
+{
+    // return true if want to be called again (otherwise go to IDLE state)
+    return true;
+}
+
+FairMQExampleMTSink::~FairMQExampleMTSink()
+{
+}