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Zero MQ implimentation and example (Tutorial3)

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git-svn-id: https://subversion.gsi.de/fairroot/fairbase/trunk@20162 0381ead4-6506-0410-b988-94b70fbc4730
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Mohammad Al-Turany
2013-06-07 08:07:48 +00:00
commit 231c7c8f7e
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fairmq/FairMQSampler.h Normal file
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/*
* FairMQSampler.h
*
* Created on: Sep 27, 2012
* Author: dklein
*/
#ifndef FAIRMQSAMPLER_H_
#define FAIRMQSAMPLER_H_
#include <string>
#include "FairRunAna.h"
#include "FairTask.h"
#include "FairMQDevice.h"
#include "FairMQSamplerTask.h"
#include "TString.h"
/**
* Reads simulated digis from a root file and samples the digi as a time-series UDP stream.
* Must be initialized with the filename to the root file and the name of the sub-detector
* branch, whose digis should be streamed.
*
* The purpose of this class is to provide a data source of digis very similar to the
* future detector output at the point where the detector is connected to the online
* computing farm. For the development of online analysis algorithms, it is very important
* to simulate the future detector output as realistic as possible to evaluate the
* feasibility and quality of the various possible online analysis features.
*/
class FairMQSampler: public FairMQDevice
{
protected:
FairRunAna* fFairRunAna;
FairMQSamplerTask* fSamplerTask;
TString fInputFile; // Filename of a root file containing the simulated digis.
TString fParFile;
TString fBranch; // The name of the sub-detector branch to stream the digis from.
Int_t fEventRate;
Int_t fEventCounter;
public:
enum {
InputFile = FairMQDevice::Last,
Branch,
ParFile,
EventRate
};
FairMQSampler();
virtual ~FairMQSampler();
virtual void Init();
virtual void Run();
void Log(Int_t intervalInMs);
void* ResetEventCounter();
static void* callResetEventCounter(void* arg) { return ((FairMQSampler*)arg)->ResetEventCounter(); }
virtual void SetProperty(Int_t key, TString value, Int_t slot = 0);
virtual TString GetProperty(Int_t key, TString default_ = "", Int_t slot = 0);
virtual void SetProperty(Int_t key, Int_t value, Int_t slot = 0);
virtual Int_t GetProperty(Int_t key, Int_t default_ = 0, Int_t slot = 0);
};
#endif /* FAIRMQSAMPLER_H_ */