# FairMQ: fairmq/devices/FairMQSplitter.h Source File

FairMQSplitter.h
/********************************************************************************
* 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" *
********************************************************************************/
#ifndef FAIRMQSPLITTER_H_
#define FAIRMQSPLITTER_H_
#include "FairMQDevice.h"
#include <string>
class FairMQSplitter : public FairMQDevice
{
public:
FairMQSplitter()
: fMultipart(true)
, fNumOutputs(0)
, fDirection(0)
, fInChannelName()
, fOutChannelName()
{}
~FairMQSplitter() {}
protected:
bool fMultipart;
int fNumOutputs;
int fDirection;
std::string fInChannelName;
std::string fOutChannelName;
void InitTask() override
{
fMultipart = fConfig->GetProperty<bool>("multipart");
fInChannelName = fConfig->GetProperty<std::string>("in-channel");
fOutChannelName = fConfig->GetProperty<std::string>("out-channel");
fNumOutputs = fChannels.at(fOutChannelName).size();
fDirection = 0;
if (fMultipart) {
OnData(fInChannelName, &FairMQSplitter::HandleData<FairMQParts>);
} else {
OnData(fInChannelName, &FairMQSplitter::HandleData<FairMQMessagePtr>);
}
}
template<typename T>
bool HandleData(T& payload, int)
{
Send(payload, fOutChannelName, fDirection);
if (++fDirection >= fNumOutputs) {
fDirection = 0;
}
return true;
}
};
#endif /* FAIRMQSPLITTER_H_ */
FairMQDevice::fChannels
std::unordered_map< std::string, std::vector< FairMQChannel > > fChannels
Device channels.
Definition: FairMQDevice.h:383
fair::mq::ProgOptions::GetProperty
T GetProperty(const std::string &key) const
Read config property, throw if no property with this key exists.
Definition: ProgOptions.h:69
FairMQSplitter
Definition: FairMQSplitter.h:23
FairMQSplitter::InitTask
void InitTask() override
Task initialization (can be overloaded in child classes)
Definition: FairMQSplitter.h:47
FairMQDevice::Send
int64_t Send(FairMQMessagePtr &msg, const std::string &channel, const int index=0, int sndTimeoutInMs=-1)
Definition: FairMQDevice.h:97
FairMQDevice::fConfig
fair::mq::ProgOptions * fConfig
Pointer to config (internal or external)
Definition: FairMQDevice.h:385
FairMQDevice
Definition: FairMQDevice.h:50

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