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"
22 class AliRawEventHeaderBase;
24 class AliRawReader: public TObject {
27 AliRawReader(const AliRawReader& rawReader);
28 AliRawReader& operator = (const AliRawReader& rawReader);
29 virtual ~AliRawReader();
31 static AliRawReader* Create(const char *uri);
33 virtual void Select(Int_t detectorID,
34 Int_t minDDLID = -1, Int_t maxDDLID = -1);
35 virtual void Select(const char *detectorName,
36 Int_t minDDLID = -1, Int_t maxDDLID = -1);
37 virtual void SelectEquipment(Int_t equipmentType,
38 Int_t minEquipmentId = -1,
39 Int_t maxEquipmentId = -1);
40 virtual void SkipInvalid(Bool_t skip = kTRUE)
41 {fSkipInvalid = skip;};
42 virtual void RequireHeader(Bool_t required)
43 {fRequireHeader = required;};
45 virtual const AliRawEventHeaderBase* GetEventHeader() const {return NULL;};
47 virtual UInt_t GetType() const = 0;
48 virtual UInt_t GetRunNumber() const = 0;
49 virtual const UInt_t* GetEventId() const = 0;
50 UInt_t GetPeriod() const {
51 const UInt_t *id = GetEventId();
52 return id ? (((id)[0]>>4)&0x0fffffff): 0;
54 UInt_t GetOrbitID() const {
55 const UInt_t *id = GetEventId();
56 return id ? ((((id)[0]<<20)&0xf00000)|(((id)[1]>>12)&0xfffff)) : 0;
58 UShort_t GetBCID() const {
59 const UInt_t *id = GetEventId();
60 return id ? ((id)[1]&0x00000fff) : 0;
62 virtual const UInt_t* GetTriggerPattern() const = 0;
63 ULong64_t GetClassMask() const {
64 const UInt_t *pattern = GetTriggerPattern();
65 return pattern ? (((ULong64_t)pattern[1] & 0x3ffff) << 32)|(pattern[0]) : 0;
67 virtual const UInt_t* GetDetectorPattern() const = 0;
68 virtual const UInt_t* GetAttributes() const = 0;
69 virtual const UInt_t* GetSubEventAttributes() const = 0;
70 virtual UInt_t GetLDCId() const = 0;
71 virtual UInt_t GetGDCId() const = 0;
72 virtual UInt_t GetTimestamp() const = 0;
74 virtual Int_t GetEquipmentSize() const = 0;
75 virtual Int_t GetEquipmentType() const = 0;
76 virtual Int_t GetEquipmentId() const = 0;
77 Int_t GetMappedEquipmentId() const;
78 Bool_t LoadEquipmentIdsMap(const char *fileName);
79 virtual const UInt_t* GetEquipmentAttributes() const = 0;
80 virtual Int_t GetEquipmentElementSize() const = 0;
81 virtual Int_t GetEquipmentHeaderSize() const = 0;
83 Int_t GetDetectorID() const;
84 Int_t GetDDLID() const;
86 Int_t GetDataSize() const
88 if (fHeader->fSize != 0xFFFFFFFF) return fHeader->fSize - sizeof(AliRawDataHeader);
89 else return GetEquipmentSize() - GetEquipmentHeaderSize() - sizeof(AliRawDataHeader);
90 } else return GetEquipmentSize() - GetEquipmentHeaderSize();};
92 Int_t GetVersion() const
93 {if (fHeader) return fHeader->GetVersion(); else return -1;};
94 Bool_t IsValid() const
95 {if (fHeader) return fHeader->TestAttribute(0);
97 Bool_t IsCompressed() const
98 {if (fHeader) return fHeader->TestAttribute(1);
100 Bool_t TestBlockAttribute(Int_t index) const
101 {if (fHeader) return fHeader->TestAttribute(index);
102 else return kFALSE;};
103 UChar_t GetBlockAttributes() const
104 {if (fHeader) return fHeader->GetAttributes();
106 UInt_t GetStatusBits() const
107 {if (fHeader) return fHeader->GetStatus();
109 const AliRawDataHeader* GetDataHeader() const
112 virtual Bool_t ReadHeader() = 0;
113 virtual Bool_t ReadNextData(UChar_t*& data) = 0;
114 virtual Bool_t ReadNextInt(UInt_t& data);
115 virtual Bool_t ReadNextShort(UShort_t& data);
116 virtual Bool_t ReadNextChar(UChar_t& data);
117 virtual Bool_t ReadNext(UChar_t* data, Int_t size) = 0;
119 virtual Bool_t Reset() = 0;
121 virtual Bool_t NextEvent() = 0;
122 virtual Bool_t RewindEvents() = 0;
123 virtual Bool_t GotoEvent(Int_t event);
124 virtual Int_t GetEventIndex() const { return -1; }
125 virtual Int_t GetNumberOfEvents() const { return -1; }
127 enum {kErrMagic=1, kErrNoDataHeader=2,
128 kErrSize=4, kErrOutOfBounds=8};
129 virtual Int_t CheckData() const;
130 Int_t GetErrorCode() const {return fErrorCode;};
132 void DumpData(Int_t limit = -1);
134 void AddErrorLog(AliRawDataErrorLog::ERawDataErrorLevel level,
136 const char *message = NULL);
137 void AddMinorErrorLog(Int_t code,
138 const char *message = NULL) {
139 return AddErrorLog(AliRawDataErrorLog::kMinor,code,message);
141 void AddMajorErrorLog(Int_t code,
142 const char *message = NULL) {
143 return AddErrorLog(AliRawDataErrorLog::kMajor,code,message);
145 void AddFatalErrorLog(Int_t code,
146 const char *message = NULL) {
147 return AddErrorLog(AliRawDataErrorLog::kFatal,code,message);
149 Int_t GetNumberOfErrorLogs() const { return fErrorLogs.GetEntriesFast(); }
150 const TClonesArray &GetAllErrorLogs() const { return fErrorLogs; }
151 AliRawDataErrorLog *GetErrorLog(Int_t i) const {
152 return (AliRawDataErrorLog *)fErrorLogs.UncheckedAt(i);
155 // Method which can be used in order to force the auto-save on
156 // ESD tree inside AliReconstruction. For the moment it will be
157 // activated only for AliRawReaderDateOnline.
158 virtual Bool_t UseAutoSaveESD() const { return kFALSE; }
159 virtual TChain* GetChain() const { return NULL; }
161 Bool_t IsRawReaderValid() const { return fIsValid; }
164 virtual void SelectEvents(Int_t type, ULong64_t triggerMask = 0);
165 Bool_t IsSelected() const;
166 Bool_t IsEventSelected() const;
168 TArrayI *fEquipmentIdsIn; // array of equipment Ids to be mapped
169 TArrayI *fEquipmentIdsOut; // array of mapped equipment Ids
171 Bool_t fRequireHeader; // if false, data without header is accepted
173 AliRawDataHeader* fHeader; // current data header
174 Int_t fCount; // counter of bytes to be read for current DDL
176 Int_t fSelectEquipmentType; // type of selected equipment (<0 = no selection)
177 Int_t fSelectMinEquipmentId; // minimal index of selected equipment (<0 = no selection)
178 Int_t fSelectMaxEquipmentId; // maximal index of selected equipment (<0 = no selection)
179 Bool_t fSkipInvalid; // skip invalid data
180 Int_t fSelectEventType; // type of selected events (<0 = no selection)
181 ULong64_t fSelectTriggerMask; // trigger mask for selecting events (0 = no selection)
183 Int_t fErrorCode; // code of last error
185 Int_t fEventNumber; // current event number
186 TClonesArray fErrorLogs; // raw data decoding errors
188 AliRawDataHeader* fHeaderSwapped; // temporary buffer for swapping header on PowerPC
190 UInt_t SwapWord(UInt_t x) const;
191 UShort_t SwapShort(UShort_t x) const;
193 Bool_t fIsValid; // is raw-reader created successfully
195 ClassDef(AliRawReader, 0) // base class for reading raw digits