Zero MQ implimentation and example (Tutorial3)

git-svn-id: https://subversion.gsi.de/fairroot/fairbase/trunk@20162 0381ead4-6506-0410-b988-94b70fbc4730

fairmq/FairMQProcessor.cxx

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+/*
+ * FairMQProcessor.cxx
+ *
+ *  Created on: Dec 6, 2012
+ *      Author: dklein
+ */
+
+#include "FairMQProcessor.h"
+#include "FairMQLogger.h"
+
+FairMQProcessor::FairMQProcessor() :
+  fTask(NULL)
+{
+}
+
+FairMQProcessor::~FairMQProcessor()
+{
+  delete fTask;
+}
+
+void FairMQProcessor::SetTask(FairMQProcessorTask* task)
+{
+  fTask = task;
+}
+
+void FairMQProcessor::Init()
+{
+  FairMQDevice::Init();
+
+  fTask->InitTask();
+}
+
+void FairMQProcessor::Run()
+{
+  FairMQLogger::GetInstance()->Log(FairMQLogger::INFO, ">>>>>>> Run <<<<<<<");
+
+  void* status; //necessary for pthread_join
+  pthread_t logger;
+  pthread_create(&logger, NULL, &FairMQDevice::callLogSocketRates, this);
+
+  // Initialize poll set
+  zmq_pollitem_t items[] = {
+    { *(fPayloadInputs->at(0)->GetSocket()), 0, ZMQ_POLLIN, 0 }
+  };
+
+  Bool_t received = false;
+  while (true) {
+    FairMQMessage msg;
+
+    zmq_poll(items, 1, -1);
+
+    if (items[0].revents & ZMQ_POLLIN) {
+      received = fPayloadInputs->at(0)->Receive(&msg);
+    }
+
+    if (received) {
+      fTask->Exec(&msg, NULL);
+
+      fPayloadOutputs->at(0)->Send(&msg);
+    }
+  }
+
+  pthread_join(logger, &status);
+}
+