/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
* See cxx source for full Copyright notice */
-#include <TObject.h>
+/* $Id$ */
+///////////////////////////////////////////////////////////////////////////////
+///
+/// This is the base class for reading raw data.
+///
+///////////////////////////////////////////////////////////////////////////////
+
+#include <TObject.h>
+#include "AliRawDataHeader.h"
-struct AliMiniHeader {
- UInt_t fSize;
- UChar_t fDetectorID;
- UChar_t fMagicWord[3];
- UChar_t fVersion;
- UChar_t fCompressionFlag;
- UShort_t fDDLID;
-};
class AliRawReader: public TObject {
public :
AliRawReader();
+ AliRawReader(const AliRawReader& rawReader);
+ AliRawReader& operator = (const AliRawReader& rawReader);
+ virtual ~AliRawReader() {};
void Select(Int_t detectorID,
Int_t minDDLID = -1, Int_t maxDDLID = -1);
+ void SelectEquipment(Int_t equipmentType,
+ Int_t minEquipmentId = -1,
+ Int_t maxEquipmentId = -1);
+ void SkipInvalid(Bool_t skip = kTRUE)
+ {fSkipInvalid = skip;};
+ void SelectEvents(Int_t type);
+
+ virtual UInt_t GetType() const = 0;
+ virtual UInt_t GetRunNumber() const = 0;
+ virtual const UInt_t* GetEventId() const = 0;
+ virtual const UInt_t* GetTriggerPattern() const = 0;
+ virtual const UInt_t* GetDetectorPattern() const = 0;
+ virtual const UInt_t* GetAttributes() const = 0;
+ virtual UInt_t GetLDCId() const = 0;
+ virtual UInt_t GetGDCId() const = 0;
+
+ virtual Int_t GetEquipmentSize() const = 0;
+ virtual Int_t GetEquipmentType() const = 0;
+ virtual Int_t GetEquipmentId() const = 0;
+ virtual const UInt_t* GetEquipmentAttributes() const = 0;
+ virtual Int_t GetEquipmentElementSize() const = 0;
+
+ Int_t GetDetectorID() const
+ {if (GetEquipmentId() >= 0) return (GetEquipmentId() >> 8); else return -1;};
+ Int_t GetDDLID() const
+ {if (GetEquipmentId() >= 0) return (GetEquipmentId() & 0xFF); else return -1;};
- virtual UInt_t GetType() = 0;
- virtual UInt_t GetRunNumber() = 0;
- virtual const UInt_t* GetEventId() = 0;
- virtual const UInt_t* GetTriggerPattern() = 0;
- virtual const UInt_t* GetDetectorPattern() = 0;
- virtual const UInt_t* GetAttributes() = 0;
- virtual UInt_t GetGDCId() = 0;
-
- inline Int_t GetDataSize() const {return fMiniHeader->fSize;};
- inline Int_t GetDetectorID() const {return fMiniHeader->fDetectorID;};
- inline Int_t GetDDLID() const {return fMiniHeader->fDDLID;};
- inline Int_t GetVersion() const {return fMiniHeader->fVersion;};
- inline Bool_t IsCompressed() const {return fMiniHeader->fCompressionFlag != 0;};
-
- virtual Bool_t ReadMiniHeader() = 0;
+ Int_t GetDataSize() const
+ {if (fHeader) return fHeader->fSize - sizeof(AliRawDataHeader);
+ else return GetEquipmentSize();};
+
+ Int_t GetVersion() const
+ {if (fHeader) return fHeader->fVersion; else return -1;};
+ Bool_t IsValid() const
+ {if (fHeader) return fHeader->TestAttribute(0);
+ else return kFALSE;};
+ Bool_t IsCompressed() const
+ {if (fHeader) return fHeader->TestAttribute(1);
+ else return kFALSE;};
+
+ virtual Bool_t ReadHeader() = 0;
virtual Bool_t ReadNextData(UChar_t*& data) = 0;
virtual Bool_t ReadNextInt(UInt_t& data);
virtual Bool_t ReadNextShort(UShort_t& data);
virtual Bool_t Reset() = 0;
+ virtual Bool_t NextEvent() = 0;
+ virtual Bool_t RewindEvents() = 0;
+
+ enum {kErrMagic=1, kErrNoDataHeader=2,
+ kErrSize=4, kErrOutOfBounds=8};
+ virtual Int_t CheckData() const;
+ Int_t GetErrorCode() const {return fErrorCode;};
+
+ void DumpData(Int_t limit = -1);
+
protected :
- Bool_t IsSelected();
+ Bool_t IsSelected() const;
+ Bool_t IsEventSelected() const;
- Bool_t CheckMiniHeader();
virtual Bool_t ReadNext(UChar_t* data, Int_t size) = 0;
- AliMiniHeader* fMiniHeader; // current mini header
+ AliRawDataHeader* fHeader; // current data header
Int_t fCount; // counter of bytes to be read for current DDL
- Int_t fSelectDetectorID; // id of selected detector (<0 = no selection)
- Int_t fSelectMinDDLID; // minimal index of selected DDLs (<0 = no selection)
- Int_t fSelectMaxDDLID; // maximal index of selected DDLs (<0 = no selection)
+ Int_t fSelectEquipmentType; // type of selected equipment (<0 = no selection)
+ Int_t fSelectMinEquipmentId; // minimal index of selected equipment (<0 = no selection)
+ Int_t fSelectMaxEquipmentId; // maximal index of selected equipment (<0 = no selection)
+ Bool_t fSkipInvalid; // skip invalid data
+ Int_t fSelectEventType; // type of selected events (<0 = no selection)
+
+ Int_t fErrorCode; // code of last error
ClassDef(AliRawReader, 0) // base class for reading raw digits
};