Add first two simple FairMQ examples

fairmq/examples/1-sampler-sink
fairmq/examples/2-sampler-processor-sink

fairmq/examples/2-sampler-processor-sink/FairMQExample2Processor.cxx

@@ -0,0 +1,52 @@
+/********************************************************************************
+ *    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"                       *
+ ********************************************************************************/
+/**
+ * FairMQExample2Processor.cpp
+ *
+ * @since 2014-10-10
+ * @author A. Rybalchenko
+ */
+
+#include <boost/thread.hpp>
+#include <boost/bind.hpp>
+
+#include "FairMQExample2Processor.h"
+#include "FairMQLogger.h"
+
+FairMQExample2Processor::FairMQExample2Processor()
+    : fText()
+{
+}
+
+void FairMQExample2Processor::CustomCleanup(void *data, void *object)
+{
+    delete (std::string*)object;
+}
+
+void FairMQExample2Processor::Run()
+{
+    while (GetCurrentState() == RUNNING)
+    {
+        FairMQMessage* input = fTransportFactory->CreateMessage();
+        fChannels["data-in"].at(0).Receive(input);
+
+        LOG(INFO) << "Received data, processing...";
+
+        std::string* text = new std::string(static_cast<char*>(input->GetData()), input->GetSize());
+        *text += " (modified by " + fId + ")";
+
+        delete input;
+
+        FairMQMessage* msg = fTransportFactory->CreateMessage(const_cast<char*>(text->c_str()), text->length(), CustomCleanup, text);
+        fChannels["data-out"].at(0).Send(msg);
+    }
+}
+
+FairMQExample2Processor::~FairMQExample2Processor()
+{
+}