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81 lines
2.0 KiB
C++
81 lines
2.0 KiB
C++
/********************************************************************************
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* Copyright (C) 2014 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH *
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* *
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* This software is distributed under the terms of the *
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* GNU Lesser General Public Licence (LGPL) version 3, *
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* copied verbatim in the file "LICENSE" *
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********************************************************************************/
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#include "Sampler1.h"
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using namespace std;
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namespace example_multiple_transports
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{
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Sampler1::Sampler1()
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: fAckListener()
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, fMaxIterations(0)
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, fNumIterations(0)
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{
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}
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void Sampler1::InitTask()
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{
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fMaxIterations = fConfig->GetValue<uint64_t>("max-iterations");
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}
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void Sampler1::PreRun()
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{
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fAckListener = thread(&Sampler1::ListenForAcks, this);
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}
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bool Sampler1::ConditionalRun()
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{
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// Creates a message using the transport of channel data1
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FairMQMessagePtr msg(NewMessageFor("data1", 0, 1000000));
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// in case of error or transfer interruption, return false to go to IDLE state
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// successfull transfer will return number of bytes transfered (can be 0 if sending an empty message).
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if (Send(msg, "data1") < 0)
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{
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return false;
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}
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if (fMaxIterations > 0 && ++fNumIterations >= fMaxIterations)
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{
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LOG(info) << "Configured maximum number of iterations reached. Leaving RUNNING state.";
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return false;
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}
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return true;
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}
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void Sampler1::PostRun()
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{
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fAckListener.join();
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}
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void Sampler1::ListenForAcks()
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{
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uint64_t numAcks = 0;
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while (CheckCurrentState(RUNNING))
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{
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FairMQMessagePtr ack(NewMessageFor("ack", 0));
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if (Receive(ack, "ack") < 0)
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{
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break;
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}
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++numAcks;
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}
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LOG(info) << "Acknowledged " << numAcks << " messages";
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}
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Sampler1::~Sampler1()
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{
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}
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} // namespace example_multiple_transports
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