Refactor the examples after move from FairRoot

examples/req-rep/Server.cxx

@@ -0,0 +1,66 @@
+/********************************************************************************
+ *    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"                       *
+ ********************************************************************************/
+/**
+ * Server.cxx
+ *
+ * @since 2014-10-10
+ * @author A. Rybalchenko
+ */
+
+#include "Server.h"
+
+using namespace std;
+
+namespace example_req_rep
+{
+
+Server::Server()
+    : fMaxIterations(0)
+    , fNumIterations(0)
+{
+    OnData("data", &Server::HandleData);
+}
+
+void Server::InitTask()
+{
+    // Get the fMaxIterations value from the command line options (via fConfig)
+    fMaxIterations = fConfig->GetValue<uint64_t>("max-iterations");
+}
+
+bool Server::HandleData(FairMQMessagePtr& req, int /*index*/)
+{
+    LOG(info) << "Received request from client: \"" << string(static_cast<char*>(req->GetData()), req->GetSize()) << "\"";
+
+    string* text = new string("Thank you for the \"" + string(static_cast<char*>(req->GetData()), req->GetSize()) + "\"!");
+
+    LOG(info) << "Sending reply to client.";
+
+    FairMQMessagePtr rep(NewMessage(const_cast<char*>(text->c_str()), // data
+                                                        text->length(), // size
+                                                        [](void* /*data*/, void* object) { delete static_cast<string*>(object); }, // deletion callback
+                                                        text)); // object that manages the data
+
+    if (Send(rep, "data") > 0)
+    {
+        if (fMaxIterations > 0 && ++fNumIterations >= fMaxIterations)
+        {
+            LOG(info) << "Configured maximum number of iterations reached. Leaving RUNNING state.";
+            return false;
+        }
+
+        return true;
+    }
+
+    return false;
+}
+
+Server::~Server()
+{
+}
+
+} // namespace example_req_rep