CbmDevNullSink.cxx

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/* Copyright (C) 2017-2019 GSI Helmholtzzentrum fuer Schwerionenforschung, Darmstadt
   SPDX-License-Identifier: GPL-3.0-only
   Authors: Florian Uhlig [committer] */
 
#include "CbmDevNullSink.h"
 
#include "FairMQLogger.h"
#include "FairMQProgOptions.h"  // device->fConfig
 
using namespace std;
 
CbmDevNullSink::CbmDevNullSink() : FairMQDevice {}, fNumMessages {0} {}
 
void CbmDevNullSink::Init() {}
 
void CbmDevNullSink::InitTask()
{
  // register a handler for data arriving on any channel
  int noChannel = fChannels.size();
  LOG(info) << "Number of defined input channels: " << noChannel;
  for (auto const& entry : fChannels) {
    LOG(info) << "Channel name: " << entry.first;
    OnData(entry.first, &CbmDevNullSink::HandleData);
  }
}
 
// handler is called whenever a message arrives on "data", with a reference to the message and a sub-channel index (here 0)
bool CbmDevNullSink::HandleData(FairMQMessagePtr& msg, int /*index*/)
{
  // Don't do anything with the data
  // Maybe add an message counter which counts the incomming messages and add
  // an output
  fNumMessages++;
  LOG(info) << "Received message number " << fNumMessages << " with size " << msg->GetSize();
  return true;
}
 
CbmDevNullSink::~CbmDevNullSink() {}