/******************************************************************************** * 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 "Sampler1.h" using namespace std; namespace example_multiple_transports { Sampler1::Sampler1() : fAckListener() , fMaxIterations(0) , fNumIterations(0) { } void Sampler1::InitTask() { fMaxIterations = fConfig->GetValue("max-iterations"); } void Sampler1::PreRun() { fAckListener = thread(&Sampler1::ListenForAcks, this); } bool Sampler1::ConditionalRun() { // Creates a message using the transport of channel data1 FairMQMessagePtr msg(NewMessageFor("data1", 0, 1000000)); // in case of error or transfer interruption, return false to go to IDLE state // successfull transfer will return number of bytes transfered (can be 0 if sending an empty message). if (Send(msg, "data1") < 0) { return false; } if (fMaxIterations > 0 && ++fNumIterations >= fMaxIterations) { LOG(info) << "Configured maximum number of iterations reached. Leaving RUNNING state."; return false; } return true; } void Sampler1::PostRun() { fAckListener.join(); } void Sampler1::ListenForAcks() { uint64_t numAcks = 0; while (!NewStatePending()) { FairMQMessagePtr ack(NewMessageFor("ack", 0)); if (Receive(ack, "ack") < 0) { break; } ++numAcks; } LOG(info) << "Acknowledged " << numAcks << " messages"; } Sampler1::~Sampler1() { } } // namespace example_multiple_transports