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https://github.com/FairRootGroup/FairMQ.git
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da10c64800
- OnData() channel data handler. - ConditionalRun() for devices without incoming data. - Header file with common main(), to be extended with getDevice/addCustomOptions. - Update examples (MQ/Tutorial3) to use the new API and config. - NewSimpleMessage() for simpler creation of small messages (additional copy). - Replace SetProperty/GetProperty with fConfig access. - Runtime configurable channel names for common devices. - Configurable logging interval per channel. - FairMQMultiplier for distributing same data to multiple outputs. - Cleanup state machine messages. - Cmd option to toggle signal handling. - Simpler API for send/receive timeouts. - Enable --log-to-file. - Fix coverity issues, warnings. - Various code cleanup and minor tweaks.
62 lines
1.8 KiB
C++
62 lines
1.8 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 version 3 (LGPL) version 3, *
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* copied verbatim in the file "LICENSE" *
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********************************************************************************/
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/**
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* FairMQExample8Sampler.cpp
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*
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* @since 2014-10-10
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* @author A. Rybalchenko
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*/
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#include <thread> // this_thread::sleep_for
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#include <chrono>
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#include "FairMQExample8Sampler.h"
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#include "FairMQEx8Header.h"
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#include "FairMQLogger.h"
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using namespace std;
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FairMQExample8Sampler::FairMQExample8Sampler()
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: fCounter(0)
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{
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}
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bool FairMQExample8Sampler::ConditionalRun()
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{
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// Wait a second to keep the output readable.
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this_thread::sleep_for(chrono::seconds(1));
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Ex8Header header;
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// Set stopFlag to 1 for the first 4 messages, and to 0 for the 5th.
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fCounter < 5 ? header.stopFlag = 0 : header.stopFlag = 1;
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LOG(INFO) << "Sending header with stopFlag: " << header.stopFlag;
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FairMQParts parts;
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// NewSimpleMessage creates a copy of the data and takes care of its destruction (after the transfer takes place).
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// Should only be used for small data because of the cost of an additional copy
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parts.AddPart(NewSimpleMessage(header));
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parts.AddPart(NewMessage(1000));
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LOG(INFO) << "Sending body of size: " << parts.At(1)->GetSize();
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Send(parts, "data-out");
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// Go out of the sending loop if the stopFlag was sent.
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if (fCounter++ == 5)
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{
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return false;
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}
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return true;
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}
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FairMQExample8Sampler::~FairMQExample8Sampler()
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{
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}
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