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100 lines
2.9 KiB
C++
100 lines
2.9 KiB
C++
/*
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* File: GenericSampler.h
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* Author: winckler
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*
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* Created on November 24, 2014, 3:30 PM
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*/
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#ifndef GENERICSAMPLER_H
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#define GENERICSAMPLER_H
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#include <vector>
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#include <iostream>
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#include <boost/thread.hpp>
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#include <boost/bind.hpp>
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#include <boost/timer/timer.hpp>
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#include "TList.h"
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#include "TObjString.h"
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#include "TClonesArray.h"
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#include "TROOT.h"
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#include "FairMQDevice.h"
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#include "FairMQLogger.h"
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/**
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* Reads simulated digis from a root file and samples the digi as a time-series UDP stream.
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* Must be initialized with the filename to the root file and the name of the sub-detector
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* branch, whose digis should be streamed.
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*
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* The purpose of this class is to provide a data source of digis very similar to the
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* future detector output at the point where the detector is connected to the online
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* computing farm. For the development of online analysis algorithms, it is very important
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* to simulate the future detector output as realistic as possible to evaluate the
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* feasibility and quality of the various possible online analysis features.
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*/
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template <typename SamplerPolicy, typename OutputPolicy>
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class GenericSampler: public FairMQDevice, public SamplerPolicy, public OutputPolicy
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{
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//using SamplerPolicy::GetDataBranch; // get data from file
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//using OutputPolicy::message; // serialize method
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public:
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enum {
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InputFile = FairMQDevice::Last,
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Branch,
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ParFile,
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EventRate
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};
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GenericSampler();
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virtual ~GenericSampler();
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virtual void SetTransport(FairMQTransportFactory* factory);
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void ResetEventCounter();
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virtual void ListenToCommands();
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template <typename... Args>
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void SetFileProperties(Args&... args)
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{
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SamplerPolicy::SetFileProperties(args...);
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}
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virtual void SetProperty(const int key, const string& value, const int slot = 0);
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virtual string GetProperty(const int key, const string& default_ = "", const int slot = 0);
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virtual void SetProperty(const int key, const int value, const int slot = 0);
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virtual int GetProperty(const int key, const int default_ = 0, const int slot = 0);
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/**
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* Sends the currently available output of the Sampler Task as part of a multipart message
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* and reinitializes the message to be filled with the next part.
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* This method can be given as a callback to the SamplerTask.
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* The final message part must be sent with normal Send method.
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*/
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void SendPart();
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void SetContinuous(bool flag) { fContinuous = flag; }
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protected:
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virtual void Init();
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virtual void Run();
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protected:
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string fInputFile; // Filename of a root file containing the simulated digis.
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string fParFile;
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string fBranch; // The name of the sub-detector branch to stream the digis from.
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int fNumEvents;
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int fEventRate;
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int fEventCounter;
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bool fContinuous;
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};
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#include "GenericSampler.tpl"
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#endif /* GENERICSAMPLER_H */
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