TTdrEvent.h

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#ifndef TTDREVENT_H
#define TTDREVENT_H
 
/** \addtogroup Sorting
 *  @{
 */
 
#include "Globals.h"
 
#include "TRawEvent.h"
 
/////////////////////////////////////////////////////////////////
///
/// \class TTdrEvent
///
/// C++ class representing one tdr file.
///
/////////////////////////////////////////////////////////////////
 
/// TDR event
 
struct TTdrEventHeader {
   uint32_t fSequence;       ///< within the file
   uint16_t fStream;         ///< data acquisition stream number (1-4)
   uint16_t fTape;           ///< =1
   uint16_t fHeaderEndian;   ///< written as native 1 by tape server
   uint16_t fDataEndian;     ///< written as native 1 in the hardware structure of the data following
   uint32_t fDataLength;     ///< length of data following in bytes
};
 
class TTdrEvent : public TRawEvent {
public:
   // houskeeping functions
   TTdrEvent();                                                ///< default constructor
   TTdrEvent(const TTdrEvent&);                                ///< copy constructor
   ~TTdrEvent() override;                                      ///< destructor
   TTdrEvent& operator=(const TTdrEvent&);                     ///< assignement operator
   void       Clear(Option_t* opt = "") override;              ///< clear event for reuse
   void       Copy(TObject&) const override;                   ///< copy helper
   void       Print(const char* option = "") const override;   ///< show all event information
 
   // get event information
 
   uint32_t GetDataSize() const override;   ///< return the event size
 
   // helpers for event creation
 
   TTdrEventHeader& GetHeader() { return fHeader; }   ///< return pointer to the data buffer
   char*            GetData() override;               ///< return pointer to the data buffer
 
   void SetHeader(const char* buffer);              ///< set an externally allocated header buffer
   void SetData(const std::vector<char>& buffer);   ///< set an externally allocated data buffer
 
   int SwapBytes(bool) override;   ///< convert event data between little-endian (Linux-x86) and big endian (MacOS-PPC)
 
protected:
   TTdrEventHeader   fHeader;   ///< event header
   std::vector<char> fData;     ///< event data buffer
 
   /// \cond CLASSIMP
   ClassDefOverride(TTdrEvent, 0)   // All of the data contained in a Midas Event
   /// \endcond
};
/*! @} */
#endif   // TTdrEvent.h