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 <TClonesArray.h>
18 #include "AliRawDataErrorLog.h"
19 #include "AliRawDataHeader.h"
21 class AliRawEventHeaderBase;
23 class AliRawReader: public TObject {
26 AliRawReader(const AliRawReader& rawReader);
27 AliRawReader& operator = (const AliRawReader& rawReader);
28 virtual ~AliRawReader();
30 static AliRawReader* Create(const char *uri);
32 virtual void Select(Int_t detectorID,
33 Int_t minDDLID = -1, Int_t maxDDLID = -1);
34 virtual void Select(const char *detectorName,
35 Int_t minDDLID = -1, Int_t maxDDLID = -1);
36 virtual void SelectEquipment(Int_t equipmentType,
37 Int_t minEquipmentId = -1,
38 Int_t maxEquipmentId = -1);
39 virtual void SkipInvalid(Bool_t skip = kTRUE)
40 {fSkipInvalid = skip;};
41 virtual void RequireHeader(Bool_t required)
42 {fRequireHeader = required;};
44 virtual const AliRawEventHeaderBase* GetEventHeader() const {return NULL;};
46 virtual UInt_t GetType() const = 0;
47 virtual UInt_t GetRunNumber() const = 0;
48 virtual const UInt_t* GetEventId() const = 0;
49 UInt_t GetPeriod() const {
50 const UInt_t *id = GetEventId();
51 return id ? (((id)[0]>>4)&0x0fffffff): 0;
53 UInt_t GetOrbitID() const {
54 const UInt_t *id = GetEventId();
55 return id ? ((((id)[0]<<20)&0xf00000)|(((id)[1]>>12)&0xfffff)) : 0;
57 UShort_t GetBCID() const {
58 const UInt_t *id = GetEventId();
59 return id ? ((id)[1]&0x00000fff) : 0;
61 virtual const UInt_t* GetTriggerPattern() const = 0;
62 ULong64_t GetClassMask() const {
63 const UInt_t *pattern = GetTriggerPattern();
64 return pattern ? (((ULong64_t)pattern[1] & 0x3ffff) << 32)|(pattern[0]) : 0;
66 virtual const UInt_t* GetDetectorPattern() const = 0;
67 virtual const UInt_t* GetAttributes() const = 0;
68 virtual const UInt_t* GetSubEventAttributes() const = 0;
69 virtual UInt_t GetLDCId() const = 0;
70 virtual UInt_t GetGDCId() const = 0;
71 virtual UInt_t GetTimestamp() const = 0;
73 virtual Int_t GetEquipmentSize() const = 0;
74 virtual Int_t GetEquipmentType() const = 0;
75 virtual Int_t GetEquipmentId() const = 0;
76 Int_t GetMappedEquipmentId() const;
77 Bool_t LoadEquipmentIdsMap(const char *fileName);
78 virtual const UInt_t* GetEquipmentAttributes() const = 0;
79 virtual Int_t GetEquipmentElementSize() const = 0;
80 virtual Int_t GetEquipmentHeaderSize() const = 0;
82 Int_t GetDetectorID() const;
83 Int_t GetDDLID() const;
85 Int_t GetDataSize() const
87 if (fHeader->fSize != 0xFFFFFFFF) return fHeader->fSize - sizeof(AliRawDataHeader);
88 else return GetEquipmentSize() - GetEquipmentHeaderSize() - sizeof(AliRawDataHeader);
89 } else return GetEquipmentSize() - GetEquipmentHeaderSize();};
91 Int_t GetVersion() const
92 {if (fHeader) return fHeader->GetVersion(); else return -1;};
93 Bool_t IsValid() const
94 {if (fHeader) return fHeader->TestAttribute(0);
96 Bool_t IsCompressed() const
97 {if (fHeader) return fHeader->TestAttribute(1);
99 Bool_t TestBlockAttribute(Int_t index) const
100 {if (fHeader) return fHeader->TestAttribute(index);
101 else return kFALSE;};
102 UChar_t GetBlockAttributes() const
103 {if (fHeader) return fHeader->GetAttributes();
105 UInt_t GetStatusBits() const
106 {if (fHeader) return fHeader->GetStatus();
108 const AliRawDataHeader* GetDataHeader() const
111 virtual Bool_t ReadHeader() = 0;
112 virtual Bool_t ReadNextData(UChar_t*& data) = 0;
113 virtual Bool_t ReadNextInt(UInt_t& data);
114 virtual Bool_t ReadNextShort(UShort_t& data);
115 virtual Bool_t ReadNextChar(UChar_t& data);
116 virtual Bool_t ReadNext(UChar_t* data, Int_t size) = 0;
118 virtual Bool_t Reset() = 0;
120 virtual Bool_t NextEvent() = 0;
121 virtual Bool_t RewindEvents() = 0;
123 enum {kErrMagic=1, kErrNoDataHeader=2,
124 kErrSize=4, kErrOutOfBounds=8};
125 virtual Int_t CheckData() const;
126 Int_t GetErrorCode() const {return fErrorCode;};
128 void DumpData(Int_t limit = -1);
130 void AddErrorLog(AliRawDataErrorLog::ERawDataErrorLevel level,
132 const char *message = NULL);
133 void AddMinorErrorLog(Int_t code,
134 const char *message = NULL) {
135 return AddErrorLog(AliRawDataErrorLog::kMinor,code,message);
137 void AddMajorErrorLog(Int_t code,
138 const char *message = NULL) {
139 return AddErrorLog(AliRawDataErrorLog::kMajor,code,message);
141 void AddFatalErrorLog(Int_t code,
142 const char *message = NULL) {
143 return AddErrorLog(AliRawDataErrorLog::kFatal,code,message);
145 Int_t GetNumberOfErrorLogs() const { return fErrorLogs.GetEntriesFast(); }
146 const TClonesArray &GetAllErrorLogs() const { return fErrorLogs; }
147 AliRawDataErrorLog *GetErrorLog(Int_t i) const {
148 return (AliRawDataErrorLog *)fErrorLogs.UncheckedAt(i);
151 // Method which can be used in order to force the auto-save on
152 // ESD tree inside AliReconstruction. For the moment it will be
153 // activated only for AliRawReaderDateOnline.
154 virtual Bool_t UseAutoSaveESD() const { return kFALSE; }
157 virtual void SelectEvents(Int_t type, ULong64_t triggerMask = 0);
158 Bool_t IsSelected() const;
159 Bool_t IsEventSelected() const;
161 TArrayI *fEquipmentIdsIn; // array of equipment Ids to be mapped
162 TArrayI *fEquipmentIdsOut; // array of mapped equipment Ids
164 Bool_t fRequireHeader; // if false, data without header is accepted
166 AliRawDataHeader* fHeader; // current data header
167 Int_t fCount; // counter of bytes to be read for current DDL
169 Int_t fSelectEquipmentType; // type of selected equipment (<0 = no selection)
170 Int_t fSelectMinEquipmentId; // minimal index of selected equipment (<0 = no selection)
171 Int_t fSelectMaxEquipmentId; // maximal index of selected equipment (<0 = no selection)
172 Bool_t fSkipInvalid; // skip invalid data
173 Int_t fSelectEventType; // type of selected events (<0 = no selection)
174 ULong64_t fSelectTriggerMask; // trigger mask for selecting events (0 = no selection)
176 Int_t fErrorCode; // code of last error
178 Int_t fEventNumber; // current event number
179 TClonesArray fErrorLogs; // raw data decoding errors
181 AliRawDataHeader* fHeaderSwapped; // temporary buffer for swapping header on PowerPC
183 UInt_t SwapWord(UInt_t x) const;
184 UShort_t SwapShort(UShort_t x) const;
186 ClassDef(AliRawReader, 0) // base class for reading raw digits