3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
8 ///////////////////////////////////////////////////////////////////////////////
10 /// This is the base class for reading raw data.
12 ///////////////////////////////////////////////////////////////////////////////
16 #include "AliRawDataHeader.h"
19 class AliRawReader: public TObject {
22 AliRawReader(const AliRawReader& rawReader);
23 AliRawReader& operator = (const AliRawReader& rawReader);
24 virtual ~AliRawReader();
26 void Select(Int_t detectorID,
27 Int_t minDDLID = -1, Int_t maxDDLID = -1);
28 void SelectEquipment(Int_t equipmentType,
29 Int_t minEquipmentId = -1,
30 Int_t maxEquipmentId = -1);
31 void SkipInvalid(Bool_t skip = kTRUE)
32 {fSkipInvalid = skip;};
33 void SelectEvents(Int_t type);
34 virtual void RequireHeader(Bool_t required)
35 {fRequireHeader = required;};
37 virtual UInt_t GetType() const = 0;
38 virtual UInt_t GetRunNumber() const = 0;
39 virtual const UInt_t* GetEventId() const = 0;
40 virtual const UInt_t* GetTriggerPattern() const = 0;
41 virtual const UInt_t* GetDetectorPattern() const = 0;
42 virtual const UInt_t* GetAttributes() const = 0;
43 virtual const UInt_t* GetSubEventAttributes() const = 0;
44 virtual UInt_t GetLDCId() const = 0;
45 virtual UInt_t GetGDCId() const = 0;
47 virtual Int_t GetEquipmentSize() const = 0;
48 virtual Int_t GetEquipmentType() const = 0;
49 virtual Int_t GetEquipmentId() const = 0;
50 Int_t GetMappedEquipmentId() const;
51 Bool_t LoadEquipmentIdsMap(const char *fileName);
52 virtual const UInt_t* GetEquipmentAttributes() const = 0;
53 virtual Int_t GetEquipmentElementSize() const = 0;
54 virtual Int_t GetEquipmentHeaderSize() const = 0;
56 Int_t GetDetectorID() const;
57 Int_t GetDDLID() const;
59 Int_t GetDataSize() const
61 if (fHeader->fSize != 0xFFFFFFFF) return fHeader->fSize - sizeof(AliRawDataHeader);
62 else return GetEquipmentSize() - GetEquipmentHeaderSize() - sizeof(AliRawDataHeader);
63 } else return GetEquipmentSize() - GetEquipmentHeaderSize();};
65 Int_t GetVersion() const
66 {if (fHeader) return fHeader->fVersion; else return -1;};
67 Bool_t IsValid() const
68 {if (fHeader) return fHeader->TestAttribute(0);
70 Bool_t IsCompressed() const
71 {if (fHeader) return fHeader->TestAttribute(1);
73 Bool_t TestBlockAttribute(Int_t index) const
74 {if (fHeader) return fHeader->TestAttribute(index);
76 UChar_t GetBlockAttributes() const
77 {if (fHeader) return fHeader->GetAttributes();
79 UInt_t GetStatusBits() const
80 {if (fHeader) return fHeader->GetStatus();
82 const AliRawDataHeader* GetDataHeader() const
85 virtual Bool_t ReadHeader() = 0;
86 virtual Bool_t ReadNextData(UChar_t*& data) = 0;
87 virtual Bool_t ReadNextInt(UInt_t& data);
88 virtual Bool_t ReadNextShort(UShort_t& data);
89 virtual Bool_t ReadNextChar(UChar_t& data);
90 virtual Bool_t ReadNext(UChar_t* data, Int_t size) = 0;
92 virtual Bool_t Reset() = 0;
94 virtual Bool_t NextEvent() = 0;
95 virtual Bool_t RewindEvents() = 0;
97 enum {kErrMagic=1, kErrNoDataHeader=2,
98 kErrSize=4, kErrOutOfBounds=8};
99 virtual Int_t CheckData() const;
100 Int_t GetErrorCode() const {return fErrorCode;};
102 void DumpData(Int_t limit = -1);
105 Bool_t IsSelected() const;
106 Bool_t IsEventSelected() const;
108 TArrayI *fEquipmentIdsIn; // array of equipment Ids to be mapped
109 TArrayI *fEquipmentIdsOut; // array of mapped equipment Ids
111 Bool_t fRequireHeader; // if false, data without header is accepted
113 AliRawDataHeader* fHeader; // current data header
114 Int_t fCount; // counter of bytes to be read for current DDL
116 Int_t fSelectEquipmentType; // type of selected equipment (<0 = no selection)
117 Int_t fSelectMinEquipmentId; // minimal index of selected equipment (<0 = no selection)
118 Int_t fSelectMaxEquipmentId; // maximal index of selected equipment (<0 = no selection)
119 Bool_t fSkipInvalid; // skip invalid data
120 Int_t fSelectEventType; // type of selected events (<0 = no selection)
122 Int_t fErrorCode; // code of last error
124 ClassDef(AliRawReader, 0) // base class for reading raw digits