mirror of
https://github.com/FairRootGroup/FairMQ.git
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95 lines
2.8 KiB
C++
95 lines
2.8 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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* File: GenericFileSink.h
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* Author: winckler
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*
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* Created on October 7, 2014, 6:06 PM
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*/
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#ifndef GENERICFILESINK_H
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#define GENERICFILESINK_H
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#include "FairMQDevice.h"
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#include <boost/thread.hpp>
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#include <boost/bind.hpp>
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#include "FairMQLogger.h"
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/*********************************************************************
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* -------------- NOTES -----------------------
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* All policies must have a default constructor
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* Function to define in (parent) policy classes :
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*
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* -------- INPUT POLICY --------
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* deserialization_type::InitContainer(...)
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* CONTAINER_TYPE deserialization_type::DeserializeMsg(FairMQMessage* msg)
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*
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*
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* -------- OUTPUT POLICY --------
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* sink_type::AddToFile(CONTAINER_TYPE);
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* sink_type::InitOutputFile()
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**********************************************************************/
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#include "FairMQDevice.h"
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template <typename T, typename U>
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class GenericFileSink : public FairMQDevice, public T, public U
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{
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typedef T deserialization_type;
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typedef U sink_type;
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public:
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GenericFileSink()
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: deserialization_type()
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, sink_type()
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{}
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virtual ~GenericFileSink()
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{}
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void SetTransport(FairMQTransportFactory* transport)
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{
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FairMQDevice::SetTransport(transport);
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}
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template <typename... Args>
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void InitInputContainer(Args... args)
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{
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deserialization_type::InitContainer(std::forward<Args>(args)...);
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}
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protected:
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virtual void InitTask()
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{
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sink_type::InitOutputFile();
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}
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virtual void Run()
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{
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int receivedMsg = 0;
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// store the channel reference to avoid traversing the map on every loop iteration
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const FairMQChannel& inputChannel = fChannels["data-in"].at(0);
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while (CheckCurrentState(RUNNING))
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{
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std::unique_ptr<FairMQMessage> msg(fTransportFactory->CreateMessage());
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if (inputChannel.Receive(msg) > 0)
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{
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sink_type::AddToFile(deserialization_type::DeserializeMsg(msg.get()));
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receivedMsg++;
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}
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}
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MQLOG(INFO) << "Received " << receivedMsg << " messages!";
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}
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};
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#endif /* GENERICFILESINK_H */
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