FairMQ/examples/1-1/Sink.cxx
2019-07-10 19:35:18 +02:00

56 lines
1.7 KiB
C++

/********************************************************************************
* 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_1_1
{
Sink::Sink()
: fMaxIterations(0)
, fNumIterations(0)
{
// register a handler for data arriving on "data" channel
OnData("data", &Sink::HandleData);
}
void Sink::InitTask()
{
// Get the fMaxIterations value from the command line options (via fConfig)
fMaxIterations = fConfig->GetProperty<uint64_t>("max-iterations");
}
// handler is called whenever a message arrives on "data", with a reference to the message and a sub-channel index (here 0)
bool Sink::HandleData(FairMQMessagePtr& msg, int /*index*/)
{
LOG(info) << "Received: \"" << string(static_cast<char*>(msg->GetData()), msg->GetSize()) << "\"";
if (fMaxIterations > 0 && ++fNumIterations >= fMaxIterations)
{
LOG(info) << "Configured maximum number of iterations reached. Leaving RUNNING state.";
return false;
}
// return true if want to be called again (otherwise return false go to IDLE state)
return true;
}
Sink::~Sink()
{
}
} // namespace example_1_1