/data/refman/pasoursint/CMSSW_6_1_1/src/IORawData/DTCommissioning/src/DTDDUFileReader.h

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#ifndef DaqSource_DTDDUFileReader_h
#define DaqSource_DTDDUFileReader_h

#include <IORawData/DaqSource/interface/DaqBaseReader.h>
#include <IORawData/DTCommissioning/src/RawFile.h>
#include "DataFormats/Provenance/interface/EventID.h"

#include <ostream>
#include <fstream>
#include <boost/cstdint.hpp>

class DTDDUFileReader : public DaqBaseReader {
 public:
  DTDDUFileReader(const edm::ParameterSet& pset);

  virtual ~DTDDUFileReader();

  virtual int fillRawData(edm::EventID& eID,
                          edm::Timestamp& tstamp, 
                          FEDRawDataCollection*& data);


  bool isHeader(uint64_t word, bool dataTag);

  bool isTrailer(uint64_t word, bool dataTag, int wordCount);

  //  std::pair<uint64_t,bool> dmaUnpack();
  uint64_t dmaUnpack(bool & isData, int & nread);


  void swap(uint64_t & word);
 

  virtual bool checkEndOfFile();

 private:

  RawFile inputFile;

  edm::RunNumber_t runNumber;
  edm::EventNumber_t eventNumber;

  int dduID;

  bool readFromDMA;
  int skipEvents;
  int numberOfHeaderWords;

  static const int dduWordLength = 8;

};
#endif