Fix region example by moving our test code to a separate one

examples/readout/Sink.cxx

@@ -0,0 +1,56 @@
+/********************************************************************************
+ *    Copyright (C) 2014 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH    *
+ *                                                                              *
+ *              This software is distributed under the terms of the             *
+ *              GNU Lesser General Public Licence (LGPL) version 3,             *
+ *                  copied verbatim in the file "LICENSE"                       *
+ ********************************************************************************/
+/**
+ * Sink.cxx
+ *
+ * @since 2014-10-10
+ * @author A. Rybalchenko
+ */
+
+#include "Sink.h"
+
+using namespace std;
+
+namespace example_region
+{
+
+Sink::Sink()
+    : fMaxIterations(0)
+    , fNumIterations(0)
+{
+}
+
+void Sink::InitTask()
+{
+    // Get the fMaxIterations value from the command line options (via fConfig)
+    fMaxIterations = fConfig->GetValue<uint64_t>("max-iterations");
+}
+
+void Sink::Run()
+{
+    FairMQChannel& dataInChannel = fChannels.at("data").at(0);
+
+    while (!NewStatePending())
+    {
+        FairMQMessagePtr msg(dataInChannel.Transport()->CreateMessage());
+        dataInChannel.Receive(msg);
+        // void* ptr = msg->GetData();
+
+        if (fMaxIterations > 0 && ++fNumIterations >= fMaxIterations)
+        {
+            LOG(info) << "Configured maximum number of iterations reached. Leaving RUNNING state.";
+            break;
+        }
+    }
+}
+
+Sink::~Sink()
+{
+}
+
+} // namespace example_region