reduce noise in examples

examples/1-n-1/processor.cxx

@@ -0,0 +1,58 @@
+/********************************************************************************
+ *    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"                       *
+ ********************************************************************************/
+
+#include <fairmq/Device.h>
+#include <fairmq/runDevice.h>
+
+#include <string>
+
+namespace bpo = boost::program_options;
+
+class Processor : public FairMQDevice
+{
+  public:
+    Processor()
+    {
+        OnData("data1", &Processor::HandleData);
+    }
+
+  protected:
+    bool HandleData(FairMQMessagePtr& msg, int)
+    {
+        LOG(info) << "Received data, processing...";
+
+        // Modify the received string
+        std::string* text = new std::string(static_cast<char*>(msg->GetData()), msg->GetSize());
+        *text += " (modified by " + fId + ")";
+
+        // create message object with a pointer to the data buffer,
+        // its size,
+        // custom deletion function (called when transfer is done),
+        // and pointer to the object managing the data buffer
+        FairMQMessagePtr msg2(NewMessage(const_cast<char*>(text->c_str()),
+                                        text->length(),
+                                        [](void* /*data*/, void* object) { delete static_cast<std::string*>(object); },
+                                        text));
+
+        // Send out the output message
+        if (Send(msg2, "data2") < 0) {
+            return false;
+        }
+
+        return true;
+    }
+};
+
+void addCustomOptions(bpo::options_description& /*options*/)
+{
+}
+
+std::unique_ptr<fair::mq::Device> getDevice(fair::mq::ProgOptions& /*config*/)
+{
+    return std::make_unique<Processor>();
+}