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04fa961a | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
bea6b2a4 | 16 | /* $Id$ */ |
17 | ||
04fa961a | 18 | /////////////////////////////////////////////////////////////////////////////// |
bea6b2a4 | 19 | /// |
20 | /// This is a class for reading raw data from a root file. | |
21 | /// | |
22 | /// The root file is expected to contain a tree of name "RAW" with | |
23 | /// a branch of name "rawevent" which contains objects of type | |
33314186 | 24 | /// AliRawVEvent. |
bea6b2a4 | 25 | /// |
26 | /// The file name and the event number are arguments of the constructor | |
27 | /// of AliRawReaderRoot. | |
28 | /// | |
04fa961a | 29 | /////////////////////////////////////////////////////////////////////////////// |
30 | ||
a197a4ce | 31 | #include <TFile.h> |
32 | #include <TTree.h> | |
1d6124f3 | 33 | #include <TTreeIndex.h> |
04fa961a | 34 | #include "AliRawReaderRoot.h" |
33314186 | 35 | #include "AliRawVEvent.h" |
f2dc6b20 | 36 | #include "AliRawEventHeaderBase.h" |
33314186 | 37 | #include "AliRawVEquipment.h" |
a197a4ce | 38 | #include "AliRawEquipmentHeader.h" |
39 | #include "AliRawData.h" | |
04fa961a | 40 | |
41 | ||
42 | ClassImp(AliRawReaderRoot) | |
1d6124f3 | 43 | Bool_t AliRawReaderRoot::fgUseOrder = kFALSE; |
44 | ||
04fa961a | 45 | |
6923e953 | 46 | AliRawReaderRoot::AliRawReaderRoot() : |
47 | fFile(NULL), | |
48 | fBranch(NULL), | |
49 | fEventIndex(-1), | |
50 | fEvent(NULL), | |
33314186 | 51 | fEventHeader(NULL), |
6923e953 | 52 | fSubEventIndex(0), |
53 | fSubEvent(NULL), | |
54 | fEquipmentIndex(0), | |
55 | fEquipment(NULL), | |
56 | fRawData(NULL), | |
57 | fPosition(NULL), | |
1d6124f3 | 58 | fEnd(NULL), |
59 | fIndex(0x0) | |
6923e953 | 60 | { |
61 | // default constructor | |
62 | ||
63 | } | |
04fa961a | 64 | |
dd9a70fe | 65 | AliRawReaderRoot::AliRawReaderRoot(const char* fileName, Int_t eventNumber) : |
66 | fFile(NULL), | |
67 | fBranch(NULL), | |
68 | fEventIndex(eventNumber), | |
69 | fEvent(NULL), | |
33314186 | 70 | fEventHeader(NULL), |
dd9a70fe | 71 | fSubEventIndex(0), |
72 | fSubEvent(NULL), | |
94d918a7 | 73 | fEquipmentIndex(0), |
74 | fEquipment(NULL), | |
dd9a70fe | 75 | fRawData(NULL), |
76 | fPosition(NULL), | |
1d6124f3 | 77 | fEnd(NULL), |
78 | fIndex(0x0) | |
04fa961a | 79 | { |
80 | // create an object to read digits from the given input file for the | |
81 | // event with the given number | |
82 | ||
03c6d9a3 | 83 | TDirectory* dir = gDirectory; |
04fa961a | 84 | fFile = TFile::Open(fileName); |
03c6d9a3 | 85 | dir->cd(); |
04fa961a | 86 | if (!fFile || !fFile->IsOpen()) { |
87 | Error("AliRawReaderRoot", "could not open file %s", fileName); | |
a97af23d | 88 | fIsValid = kFALSE; |
04fa961a | 89 | return; |
90 | } | |
91 | TTree* tree = (TTree*) fFile->Get("RAW"); | |
92 | if (!tree) { | |
93 | Error("AliRawReaderRoot", "no raw data tree found"); | |
a97af23d | 94 | fIsValid = kFALSE; |
04fa961a | 95 | return; |
96 | } | |
dd9a70fe | 97 | fBranch = tree->GetBranch("rawevent"); |
98 | if (!fBranch) { | |
04fa961a | 99 | Error("AliRawReaderRoot", "no raw data branch found"); |
a97af23d | 100 | fIsValid = kFALSE; |
04fa961a | 101 | return; |
102 | } | |
103 | ||
dd9a70fe | 104 | fBranch->SetAddress(&fEvent); |
105 | if (fEventIndex >= 0) { | |
106 | if (fBranch->GetEntry(fEventIndex) <= 0) { | |
107 | Error("AliRawReaderRoot", "no event with number %d found", fEventIndex); | |
a97af23d | 108 | fIsValid = kFALSE; |
dd9a70fe | 109 | return; |
110 | } | |
33314186 | 111 | fEventHeader = fEvent->GetHeader(); |
04fa961a | 112 | } |
04fa961a | 113 | } |
114 | ||
33314186 | 115 | AliRawReaderRoot::AliRawReaderRoot(AliRawVEvent* event) : |
dd9a70fe | 116 | fFile(NULL), |
117 | fBranch(NULL), | |
118 | fEventIndex(-1), | |
119 | fEvent(event), | |
33314186 | 120 | fEventHeader(event->GetHeader()), |
dd9a70fe | 121 | fSubEventIndex(0), |
122 | fSubEvent(NULL), | |
94d918a7 | 123 | fEquipmentIndex(0), |
124 | fEquipment(NULL), | |
dd9a70fe | 125 | fRawData(NULL), |
126 | fPosition(NULL), | |
1d6124f3 | 127 | fEnd(NULL), |
128 | fIndex(0x0) | |
04fa961a | 129 | { |
130 | // create an object to read digits from the given raw event | |
a97af23d | 131 | if (!fEvent) fIsValid = kFALSE; |
04fa961a | 132 | } |
133 | ||
42d20574 | 134 | AliRawReaderRoot::AliRawReaderRoot(const AliRawReaderRoot& rawReader) : |
dd9a70fe | 135 | AliRawReader(rawReader), |
136 | fFile(NULL), | |
137 | fBranch(NULL), | |
138 | fEventIndex(rawReader.fEventIndex), | |
139 | fEvent(NULL), | |
33314186 | 140 | fEventHeader(NULL), |
dd9a70fe | 141 | fSubEventIndex(rawReader.fSubEventIndex), |
142 | fSubEvent(NULL), | |
94d918a7 | 143 | fEquipmentIndex(rawReader.fEquipmentIndex), |
144 | fEquipment(NULL), | |
dd9a70fe | 145 | fRawData(NULL), |
146 | fPosition(NULL), | |
1d6124f3 | 147 | fEnd(NULL), |
148 | fIndex(0x0) | |
42d20574 | 149 | { |
150 | // copy constructor | |
151 | ||
dd9a70fe | 152 | if (rawReader.fFile) { |
153 | TDirectory* dir = gDirectory; | |
154 | fFile = TFile::Open(rawReader.fFile->GetName()); | |
155 | dir->cd(); | |
156 | if (!fFile || !fFile->IsOpen()) { | |
157 | Error("AliRawReaderRoot", "could not open file %s", | |
158 | rawReader.fFile->GetName()); | |
a97af23d | 159 | fIsValid = kFALSE; |
dd9a70fe | 160 | return; |
161 | } | |
162 | TTree* tree = (TTree*) fFile->Get("RAW"); | |
163 | if (!tree) { | |
164 | Error("AliRawReaderRoot", "no raw data tree found"); | |
a97af23d | 165 | fIsValid = kFALSE; |
dd9a70fe | 166 | return; |
167 | } | |
168 | fBranch = tree->GetBranch("rawevent"); | |
169 | if (!fBranch) { | |
170 | Error("AliRawReaderRoot", "no raw data branch found"); | |
a97af23d | 171 | fIsValid = kFALSE; |
dd9a70fe | 172 | return; |
173 | } | |
174 | ||
dd9a70fe | 175 | fBranch->SetAddress(&fEvent); |
176 | if (fEventIndex >= 0) { | |
177 | if (fBranch->GetEntry(fEventIndex) <= 0) { | |
178 | Error("AliRawReaderRoot", "no event with number %d found", | |
179 | fEventIndex); | |
a97af23d | 180 | fIsValid = kFALSE; |
dd9a70fe | 181 | return; |
182 | } | |
33314186 | 183 | fEventHeader = fEvent->GetHeader(); |
dd9a70fe | 184 | } |
185 | } else { | |
186 | fEvent = rawReader.fEvent; | |
33314186 | 187 | fEventHeader = rawReader.fEventHeader; |
dd9a70fe | 188 | } |
189 | ||
190 | if (fSubEventIndex > 0) { | |
191 | fSubEvent = fEvent->GetSubEvent(fSubEventIndex-1); | |
94d918a7 | 192 | fEquipment = fSubEvent->GetEquipment(fEquipmentIndex); |
193 | fRawData = fEquipment->GetRawData(); | |
26f75fad | 194 | fCount = 0; |
dd9a70fe | 195 | fHeader = (AliRawDataHeader*) ((UChar_t*) fRawData->GetBuffer() + |
196 | ((UChar_t*) rawReader.fHeader - | |
197 | (UChar_t*) rawReader.fRawData->GetBuffer())); | |
26f75fad | 198 | // Now check the version of the header |
199 | UChar_t version = 2; | |
200 | if (fHeader) version = fHeader->GetVersion(); | |
201 | if (version==3) { | |
202 | fHeader = NULL; | |
203 | fHeaderV3 = (AliRawDataHeaderV3*) ((UChar_t*) fRawData->GetBuffer() + | |
204 | ((UChar_t*) rawReader.fHeaderV3 - | |
205 | (UChar_t*) rawReader.fRawData->GetBuffer())); | |
206 | } | |
dd9a70fe | 207 | fPosition = (UChar_t*) fRawData->GetBuffer() + |
208 | (rawReader.fPosition - (UChar_t*) rawReader.fRawData->GetBuffer()); | |
209 | fEnd = ((UChar_t*) fRawData->GetBuffer()) + fRawData->GetSize(); | |
210 | } | |
42d20574 | 211 | } |
212 | ||
213 | AliRawReaderRoot& AliRawReaderRoot::operator = (const AliRawReaderRoot& | |
214 | rawReader) | |
215 | { | |
216 | // assignment operator | |
217 | ||
218 | this->~AliRawReaderRoot(); | |
219 | new(this) AliRawReaderRoot(rawReader); | |
220 | return *this; | |
221 | } | |
222 | ||
04fa961a | 223 | AliRawReaderRoot::~AliRawReaderRoot() |
224 | { | |
225 | // delete objects and close root file | |
226 | ||
227 | if (fFile) { | |
228 | if (fEvent) delete fEvent; | |
229 | fFile->Close(); | |
230 | delete fFile; | |
231 | } | |
232 | } | |
233 | ||
1fb5b4a8 | 234 | const AliRawEventHeaderBase* AliRawReaderRoot::GetEventHeader() const |
235 | { | |
236 | // Get the even header | |
237 | // Return NULL in case of failure | |
33314186 | 238 | return fEventHeader; |
1fb5b4a8 | 239 | } |
04fa961a | 240 | |
42d20574 | 241 | UInt_t AliRawReaderRoot::GetType() const |
04fa961a | 242 | { |
243 | // get the type from the event header | |
244 | ||
33314186 | 245 | if (!fEventHeader) return 0; |
246 | return fEventHeader->Get("Type"); | |
04fa961a | 247 | } |
248 | ||
42d20574 | 249 | UInt_t AliRawReaderRoot::GetRunNumber() const |
04fa961a | 250 | { |
251 | // get the run number from the event header | |
252 | ||
33314186 | 253 | if (!fEventHeader) return 0; |
254 | return fEventHeader->Get("RunNb"); | |
04fa961a | 255 | } |
256 | ||
42d20574 | 257 | const UInt_t* AliRawReaderRoot::GetEventId() const |
04fa961a | 258 | { |
259 | // get the event id from the event header | |
260 | ||
33314186 | 261 | if (!fEventHeader) return NULL; |
262 | return fEventHeader->GetP("Id"); | |
04fa961a | 263 | } |
264 | ||
42d20574 | 265 | const UInt_t* AliRawReaderRoot::GetTriggerPattern() const |
04fa961a | 266 | { |
267 | // get the trigger pattern from the event header | |
268 | ||
33314186 | 269 | if (!fEventHeader) return NULL; |
270 | return fEventHeader->GetP("TriggerPattern"); | |
04fa961a | 271 | } |
272 | ||
42d20574 | 273 | const UInt_t* AliRawReaderRoot::GetDetectorPattern() const |
04fa961a | 274 | { |
275 | // get the detector pattern from the event header | |
276 | ||
33314186 | 277 | if (!fEventHeader) return NULL; |
278 | return fEventHeader->GetP("DetectorPattern"); | |
04fa961a | 279 | } |
280 | ||
42d20574 | 281 | const UInt_t* AliRawReaderRoot::GetAttributes() const |
04fa961a | 282 | { |
283 | // get the type attributes from the event header | |
284 | ||
33314186 | 285 | if (!fEventHeader) return NULL; |
286 | return fEventHeader->GetP("TypeAttribute"); | |
04fa961a | 287 | } |
288 | ||
e94ad92c | 289 | const UInt_t* AliRawReaderRoot::GetSubEventAttributes() const |
290 | { | |
291 | // get the type attributes from the sub event header | |
292 | ||
293 | if (!fSubEvent) return NULL; | |
f2dc6b20 | 294 | return fSubEvent->GetHeader()->GetP("TypeAttribute"); |
e94ad92c | 295 | } |
296 | ||
c946ab02 | 297 | UInt_t AliRawReaderRoot::GetLDCId() const |
298 | { | |
299 | // get the LDC Id from the event header | |
300 | ||
94d918a7 | 301 | if (!fEvent || !fSubEvent) return 0; |
f2dc6b20 | 302 | return fSubEvent->GetHeader()->Get("LdcId"); |
c946ab02 | 303 | } |
304 | ||
42d20574 | 305 | UInt_t AliRawReaderRoot::GetGDCId() const |
04fa961a | 306 | { |
307 | // get the GDC Id from the event header | |
308 | ||
33314186 | 309 | if (!fEventHeader) return 0; |
310 | return fEventHeader->Get("GdcId"); | |
04fa961a | 311 | } |
312 | ||
741c154c | 313 | UInt_t AliRawReaderRoot::GetTimestamp() const |
314 | { | |
33314186 | 315 | if (!fEventHeader) return 0; |
316 | return fEventHeader->Get("Timestamp"); | |
741c154c | 317 | } |
04fa961a | 318 | |
c946ab02 | 319 | Int_t AliRawReaderRoot::GetEquipmentSize() const |
320 | { | |
321 | // get the size of the equipment | |
322 | ||
94d918a7 | 323 | if (!fEvent || !fEquipment || !fEquipment->GetEquipmentHeader()) return 0; |
324 | return fEquipment->GetEquipmentHeader()->GetEquipmentSize(); | |
c946ab02 | 325 | } |
326 | ||
327 | Int_t AliRawReaderRoot::GetEquipmentType() const | |
328 | { | |
329 | // get the type from the equipment header | |
330 | ||
94d918a7 | 331 | if (!fEvent || !fEquipment || !fEquipment->GetEquipmentHeader()) return -1; |
332 | return fEquipment->GetEquipmentHeader()->GetEquipmentType(); | |
c946ab02 | 333 | } |
334 | ||
335 | Int_t AliRawReaderRoot::GetEquipmentId() const | |
336 | { | |
337 | // get the ID from the equipment header | |
338 | ||
94d918a7 | 339 | if (!fEvent || !fEquipment || !fEquipment->GetEquipmentHeader()) return -1; |
340 | return fEquipment->GetEquipmentHeader()->GetId(); | |
c946ab02 | 341 | } |
342 | ||
343 | const UInt_t* AliRawReaderRoot::GetEquipmentAttributes() const | |
344 | { | |
345 | // get the attributes from the equipment header | |
346 | ||
94d918a7 | 347 | if (!fEvent || !fEquipment || !fEquipment->GetEquipmentHeader()) return NULL; |
348 | return fEquipment->GetEquipmentHeader()->GetTypeAttribute(); | |
c946ab02 | 349 | } |
350 | ||
351 | Int_t AliRawReaderRoot::GetEquipmentElementSize() const | |
352 | { | |
353 | // get the basic element size from the equipment header | |
354 | ||
94d918a7 | 355 | if (!fEvent || !fEquipment || !fEquipment->GetEquipmentHeader()) return 0; |
356 | return fEquipment->GetEquipmentHeader()->GetBasicSizeType(); | |
c946ab02 | 357 | } |
358 | ||
299738b9 | 359 | Int_t AliRawReaderRoot::GetEquipmentHeaderSize() const |
360 | { | |
361 | // get the size of the equipment header (28 bytes by default) | |
362 | ||
363 | if (!fEvent || !fEquipment || !fEquipment->GetEquipmentHeader()) return 0; | |
364 | return fEquipment->GetEquipmentHeader()->HeaderSize(); | |
365 | } | |
366 | ||
edd06192 | 367 | // _________________________________________________________________________ |
edd06192 | 368 | void AliRawReaderRoot::SwapData(const void* inbuf, const void* outbuf, UInt_t size) { |
369 | // The method swaps the contents of the | |
370 | // raw-data event header | |
91f76e9b | 371 | UInt_t intCount = (size+3)/sizeof(UInt_t); |
edd06192 | 372 | |
373 | UInt_t* buf = (UInt_t*) inbuf; // temporary integers buffer | |
374 | for (UInt_t i=0; i<intCount; i++, buf++) { | |
375 | UInt_t value = SwapWord(*buf); | |
dae3f0d9 | 376 | if (i==(intCount-1)) |
377 | memcpy((UInt_t*)outbuf+i, &value, size%sizeof(UInt_t)); | |
378 | else | |
379 | memcpy((UInt_t*)outbuf+i, &value, sizeof(UInt_t)); | |
edd06192 | 380 | } |
381 | } | |
382 | // _________________________________________________________________________ | |
c946ab02 | 383 | |
384 | Bool_t AliRawReaderRoot::ReadHeader() | |
04fa961a | 385 | { |
39f9963f | 386 | // read a data header at the current position |
387 | // returns kFALSE if the data header could not be read | |
04fa961a | 388 | |
b4857df7 | 389 | fErrorCode = 0; |
04fa961a | 390 | if (!fEvent) return kFALSE; |
b4857df7 | 391 | |
04fa961a | 392 | do { |
b4857df7 | 393 | // skip payload (if event was not selected) |
394 | if (fCount > 0) fPosition += fCount; | |
395 | ||
94d918a7 | 396 | // get the first or the next equipment if at the end of an equipment |
397 | if (!fEquipment || (fPosition >= fEnd)) { | |
b4857df7 | 398 | |
94d918a7 | 399 | // get the first or the next sub event if at the end of a sub event |
400 | if (!fSubEvent || (fEquipmentIndex >= fSubEvent->GetNEquipments())) { | |
b4857df7 | 401 | |
94d918a7 | 402 | // check for end of event data |
403 | if (fSubEventIndex >= fEvent->GetNSubEvents()) return kFALSE; | |
404 | fSubEvent = fEvent->GetSubEvent(fSubEventIndex++); | |
405 | ||
406 | // check the magic word of the sub event | |
407 | if (!fSubEvent->GetHeader()->IsValid()) { | |
408 | Error("ReadHeader", "wrong magic number in sub event!"); | |
409 | fSubEvent->GetHeader()->Dump(); | |
410 | fErrorCode = kErrMagic; | |
411 | return kFALSE; | |
412 | } | |
413 | ||
414 | fEquipmentIndex = 0; | |
415 | fEquipment = NULL; | |
416 | fRawData = NULL; | |
b4857df7 | 417 | } |
418 | ||
94d918a7 | 419 | // get the next equipment and raw data |
04fa961a | 420 | fCount = 0; |
f49c01bc | 421 | if (fEquipmentIndex >= fSubEvent->GetNEquipments()) { |
422 | fEquipment = NULL; | |
423 | continue; | |
424 | } | |
94d918a7 | 425 | fEquipment = fSubEvent->GetEquipment(fEquipmentIndex++); |
426 | if (!fEquipment) continue; | |
3d65cc80 | 427 | if (!IsSelected()) { |
428 | fPosition = fEnd; | |
429 | continue; | |
430 | } | |
94d918a7 | 431 | fRawData = fEquipment->GetRawData(); |
432 | if (!fRawData) { | |
433 | fPosition = fEnd; | |
434 | continue; | |
435 | } | |
04fa961a | 436 | fPosition = (UChar_t*) fRawData->GetBuffer(); |
437 | fEnd = ((UChar_t*) fRawData->GetBuffer()) + fRawData->GetSize(); | |
438 | } | |
b4857df7 | 439 | |
94d918a7 | 440 | // continue with the next equipment if no data left in the payload |
b4857df7 | 441 | if (fPosition >= fEnd) continue; |
442 | ||
18882b3b | 443 | if (fRequireHeader) { |
444 | // check that there are enough bytes left for the data header | |
445 | if (fPosition + sizeof(AliRawDataHeader) > fEnd) { | |
446 | Error("ReadHeader", "could not read data header!"); | |
6c12d59f | 447 | Warning("ReadHeader", "skipping %ld bytes", fEnd - fPosition); |
18882b3b | 448 | fEquipment->GetEquipmentHeader()->Dump(); |
449 | fCount = 0; | |
450 | fPosition = fEnd; | |
451 | fErrorCode = kErrNoDataHeader; | |
452 | continue; | |
453 | } | |
454 | ||
455 | // "read" the data header | |
456 | fHeader = (AliRawDataHeader*) fPosition; | |
26f75fad | 457 | // Now check the version of the header |
458 | UChar_t version = 2; | |
459 | if (fHeader) version=fHeader->GetVersion(); | |
460 | if (version==2) { | |
461 | #ifndef R__BYTESWAP | |
462 | SwapData((void*) fHeader, (void*) fHeaderSwapped, sizeof(AliRawDataHeader)); | |
463 | fHeader=fHeaderSwapped; | |
464 | #endif | |
465 | if ((fPosition + fHeader->fSize) != fEnd) { | |
466 | if (fHeader->fSize != 0xFFFFFFFF) | |
467 | Warning("ReadHeader", | |
468 | "Equipment %d : raw data size found in the header is wrong (%d != %ld)! Using the equipment size instead !", | |
469 | fEquipment->GetEquipmentHeader()->GetId(),fHeader->fSize, fEnd - fPosition); | |
470 | fHeader->fSize = fEnd - fPosition; | |
471 | } | |
472 | fPosition += sizeof(AliRawDataHeader); | |
473 | fHeaderV3 = 0; | |
474 | } else if (version==3) { | |
475 | fHeaderV3 = (AliRawDataHeaderV3*) fPosition; | |
edd06192 | 476 | #ifndef R__BYTESWAP |
26f75fad | 477 | SwapData((void*) fHeaderV3, (void*) fHeaderSwapped, sizeof(AliRawDataHeaderV3)); |
478 | fHeaderV3=fHeaderSwappedV3; | |
edd06192 | 479 | #endif |
26f75fad | 480 | if ((fPosition + fHeaderV3->fSize) != fEnd) { |
481 | if (fHeaderV3->fSize != 0xFFFFFFFF) | |
482 | Warning("ReadHeader", | |
483 | "Equipment %d : raw data size found in the header is wrong (%d != %ld)! Using the equipment size instead !", | |
484 | fEquipment->GetEquipmentHeader()->GetId(),fHeader->fSize, fEnd - fPosition); | |
485 | fHeaderV3->fSize = fEnd - fPosition; | |
486 | } | |
487 | fPosition += sizeof(AliRawDataHeaderV3); | |
488 | fHeader = 0; | |
299738b9 | 489 | } |
04fa961a | 490 | } |
b4857df7 | 491 | |
7c726b91 | 492 | if (fHeader && (fHeader->fSize != 0xFFFFFFFF)) { |
39f9963f | 493 | fCount = fHeader->fSize - sizeof(AliRawDataHeader); |
7c726b91 | 494 | |
26f75fad | 495 | // check consistency of data size in the header and in the sub event |
496 | if (fPosition + fCount > fEnd) { | |
497 | Error("ReadHeader", "size in data header exceeds event size!"); | |
498 | Warning("ReadHeader", "skipping %ld bytes", fEnd - fPosition); | |
499 | fEquipment->GetEquipmentHeader()->Dump(); | |
500 | fCount = 0; | |
501 | fPosition = fEnd; | |
502 | fErrorCode = kErrSize; | |
503 | continue; | |
504 | } | |
505 | } else if (fHeaderV3 && (fHeaderV3->fSize != 0xFFFFFFFF)) { | |
506 | fCount = fHeaderV3->fSize - sizeof(AliRawDataHeaderV3); | |
507 | ||
7c726b91 | 508 | // check consistency of data size in the header and in the sub event |
509 | if (fPosition + fCount > fEnd) { | |
510 | Error("ReadHeader", "size in data header exceeds event size!"); | |
6c12d59f | 511 | Warning("ReadHeader", "skipping %ld bytes", fEnd - fPosition); |
7c726b91 | 512 | fEquipment->GetEquipmentHeader()->Dump(); |
513 | fCount = 0; | |
514 | fPosition = fEnd; | |
515 | fErrorCode = kErrSize; | |
516 | continue; | |
517 | } | |
518 | ||
39f9963f | 519 | } else { |
520 | fCount = fEnd - fPosition; | |
72dd1d4f | 521 | } |
b4857df7 | 522 | |
04fa961a | 523 | } while (!IsSelected()); |
b4857df7 | 524 | |
04fa961a | 525 | return kTRUE; |
526 | } | |
527 | ||
528 | Bool_t AliRawReaderRoot::ReadNextData(UChar_t*& data) | |
529 | { | |
530 | // reads the next payload at the current position | |
531 | // returns kFALSE if the data could not be read | |
532 | ||
b4857df7 | 533 | fErrorCode = 0; |
04fa961a | 534 | while (fCount == 0) { |
c946ab02 | 535 | if (!ReadHeader()) return kFALSE; |
04fa961a | 536 | } |
537 | data = fPosition; | |
538 | fPosition += fCount; | |
539 | fCount = 0; | |
540 | return kTRUE; | |
541 | } | |
542 | ||
543 | Bool_t AliRawReaderRoot::ReadNext(UChar_t* data, Int_t size) | |
544 | { | |
545 | // reads the next block of data at the current position | |
546 | // returns kFALSE if the data could not be read | |
547 | ||
b4857df7 | 548 | fErrorCode = 0; |
04fa961a | 549 | if (fPosition + size > fEnd) { |
550 | Error("ReadNext", "could not read data!"); | |
b4857df7 | 551 | fErrorCode = kErrOutOfBounds; |
04fa961a | 552 | return kFALSE; |
553 | } | |
554 | memcpy(data, fPosition, size); | |
dae3f0d9 | 555 | |
04fa961a | 556 | fPosition += size; |
557 | fCount -= size; | |
558 | return kTRUE; | |
559 | } | |
560 | ||
561 | ||
562 | Bool_t AliRawReaderRoot::Reset() | |
563 | { | |
564 | // reset the current position to the beginning of the event | |
565 | ||
566 | fSubEventIndex = 0; | |
567 | fSubEvent = NULL; | |
94d918a7 | 568 | fEquipmentIndex = 0; |
569 | fEquipment = NULL; | |
04fa961a | 570 | fRawData = NULL; |
39f9963f | 571 | fHeader = NULL; |
26f75fad | 572 | fHeaderV3 = NULL; |
04fa961a | 573 | |
574 | fCount = 0; | |
575 | fPosition = fEnd = NULL; | |
576 | return kTRUE; | |
577 | } | |
578 | ||
b4857df7 | 579 | |
dd9a70fe | 580 | Bool_t AliRawReaderRoot::NextEvent() |
581 | { | |
582 | // go to the next event in the root file | |
583 | ||
2da4ef20 | 584 | if (!fBranch) return kFALSE; |
dd9a70fe | 585 | |
1d6124f3 | 586 | // check if it uses order or not |
587 | if (fgUseOrder && !fIndex) MakeIndex(); | |
588 | ||
dd9a70fe | 589 | do { |
d41ecdd0 | 590 | delete fEvent; |
33314186 | 591 | fEvent = NULL; |
592 | fEventHeader = NULL; | |
d41ecdd0 | 593 | fBranch->SetAddress(&fEvent); |
1d6124f3 | 594 | Int_t entryToGet = fEventIndex + 1; |
595 | if (fgUseOrder | |
596 | && fIndex | |
597 | && entryToGet<fBranch->GetEntries() | |
598 | && entryToGet>-1 ) entryToGet = fIndex[entryToGet]; | |
599 | if (fBranch->GetEntry(entryToGet) <= 0) | |
dd9a70fe | 600 | return kFALSE; |
33314186 | 601 | fEventHeader = fEvent->GetHeader(); |
dd9a70fe | 602 | fEventIndex++; |
603 | } while (!IsEventSelected()); | |
38cf12f3 | 604 | fEventNumber++; |
dd9a70fe | 605 | return Reset(); |
606 | } | |
607 | ||
608 | Bool_t AliRawReaderRoot::RewindEvents() | |
609 | { | |
610 | // go back to the beginning of the root file | |
611 | ||
2da4ef20 | 612 | if (!fBranch) return kFALSE; |
dd9a70fe | 613 | |
614 | fEventIndex = -1; | |
615 | delete fEvent; | |
33314186 | 616 | fEvent = NULL; |
617 | fEventHeader = NULL; | |
dd9a70fe | 618 | fBranch->SetAddress(&fEvent); |
38cf12f3 | 619 | fEventNumber = -1; |
dd9a70fe | 620 | return Reset(); |
621 | } | |
622 | ||
636c1780 | 623 | Bool_t AliRawReaderRoot::GotoEvent(Int_t event) |
624 | { | |
625 | // go to a particular event | |
626 | // Uses the absolute event index inside the | |
627 | // raw-data file | |
628 | ||
629 | if (!fBranch) return kFALSE; | |
630 | ||
1d6124f3 | 631 | // check if it uses order or not |
632 | if (fgUseOrder && !fIndex) MakeIndex(); | |
633 | ||
636c1780 | 634 | delete fEvent; |
33314186 | 635 | fEvent = NULL; |
636 | fEventHeader = NULL; | |
636c1780 | 637 | fBranch->SetAddress(&fEvent); |
1d6124f3 | 638 | Int_t entryToGet = event; |
639 | if (fgUseOrder | |
640 | && fIndex | |
641 | && entryToGet<fBranch->GetEntries() | |
642 | && entryToGet>-1 ) entryToGet = fIndex[entryToGet]; | |
643 | if (fBranch->GetEntry(entryToGet) <= 0) | |
636c1780 | 644 | return kFALSE; |
33314186 | 645 | fEventHeader = fEvent->GetHeader(); |
636c1780 | 646 | fEventIndex = event; |
647 | fEventNumber++; | |
648 | return Reset(); | |
649 | } | |
dd9a70fe | 650 | |
25e82ff5 | 651 | Int_t AliRawReaderRoot::GetNumberOfEvents() const |
652 | { | |
653 | // Get the total number of events in | |
654 | // the raw-data tree | |
655 | ||
656 | if (!fBranch) return -1; | |
657 | ||
658 | return fBranch->GetEntries(); | |
659 | } | |
660 | ||
b4857df7 | 661 | Int_t AliRawReaderRoot::CheckData() const |
662 | { | |
663 | // check the consistency of the data | |
664 | ||
665 | if (!fEvent) return 0; | |
666 | ||
33314186 | 667 | AliRawVEvent* subEvent = NULL; |
b4857df7 | 668 | Int_t subEventIndex = 0; |
33314186 | 669 | AliRawVEquipment* equipment = NULL; |
94d918a7 | 670 | Int_t equipmentIndex = 0; |
b4857df7 | 671 | UChar_t* position = 0; |
672 | UChar_t* end = 0; | |
be50fca2 | 673 | Int_t result = 0; |
b4857df7 | 674 | |
675 | while (kTRUE) { | |
94d918a7 | 676 | // get the first or the next sub event if at the end of an equipment |
677 | if (!subEvent || (equipmentIndex >= subEvent->GetNEquipments())) { | |
b4857df7 | 678 | |
679 | // check for end of event data | |
be50fca2 | 680 | if (subEventIndex >= fEvent->GetNSubEvents()) return result; |
b4857df7 | 681 | subEvent = fEvent->GetSubEvent(subEventIndex++); |
682 | ||
683 | // check the magic word of the sub event | |
be50fca2 | 684 | if (!fSubEvent->GetHeader()->IsValid()) { |
685 | result |= kErrMagic; | |
686 | return result; | |
687 | } | |
b4857df7 | 688 | |
94d918a7 | 689 | equipmentIndex = 0; |
b4857df7 | 690 | } |
691 | ||
94d918a7 | 692 | // get the next equipment and raw data |
f49c01bc | 693 | if (equipmentIndex >= subEvent->GetNEquipments()) { |
694 | equipment = NULL; | |
695 | continue; | |
696 | } | |
94d918a7 | 697 | equipment = subEvent->GetEquipment(equipmentIndex++); |
698 | if (!equipment) continue; | |
699 | AliRawData* rawData = equipment->GetRawData(); | |
700 | if (!rawData) continue; | |
701 | position = (UChar_t*) rawData->GetBuffer(); | |
702 | end = ((UChar_t*) rawData->GetBuffer()) + rawData->GetSize(); | |
703 | ||
b4857df7 | 704 | // continue with the next sub event if no data left in the payload |
705 | if (position >= end) continue; | |
706 | ||
18882b3b | 707 | if (fRequireHeader) { |
39f9963f | 708 | // check that there are enough bytes left for the data header |
18882b3b | 709 | if (position + sizeof(AliRawDataHeader) > end) { |
710 | result |= kErrNoDataHeader; | |
711 | continue; | |
712 | } | |
b4857df7 | 713 | |
18882b3b | 714 | // check consistency of data size in the header and in the equipment |
715 | AliRawDataHeader* header = (AliRawDataHeader*) position; | |
299738b9 | 716 | if ((position + header->fSize) != end) { |
806e573c | 717 | if (header->fSize != 0xFFFFFFFF) |
718 | Warning("ReadHeader", | |
6c12d59f | 719 | "Equipment %d : raw data size found in the header is wrong (%d != %ld)! Using the equipment size instead !", |
806e573c | 720 | equipment->GetEquipmentHeader()->GetId(),header->fSize, end - position); |
299738b9 | 721 | header->fSize = end - position; |
722 | result |= kErrSize; | |
39f9963f | 723 | } |
be50fca2 | 724 | } |
299738b9 | 725 | position = end; |
b4857df7 | 726 | }; |
fd0de2e2 | 727 | |
728 | return result; | |
b4857df7 | 729 | } |
b900a426 | 730 | |
731 | AliRawReader* AliRawReaderRoot::CloneSingleEvent() const | |
732 | { | |
733 | // Clones the current event and | |
734 | // creates raw-reader for the cloned event | |
735 | // Can be used in order to make asynchronious | |
736 | // access to the current raw data within | |
737 | // several threads (online event display/reco) | |
738 | ||
243e7b72 | 739 | if (fEvent) { |
b900a426 | 740 | // Root formatted raw data |
243e7b72 | 741 | AliRawVEvent *gdcRootEvent = (AliRawVEvent*)fEvent->Clone(); |
b900a426 | 742 | for (Int_t ldcCounter=0; ldcCounter < gdcRootEvent->GetNSubEvents(); ldcCounter++) { |
743 | AliRawVEvent *ldcRootEvent = gdcRootEvent->GetSubEvent(ldcCounter); | |
243e7b72 | 744 | AliRawVEvent *subEvent = fEvent->GetSubEvent(ldcCounter); |
b900a426 | 745 | for (Int_t eqCounter=0; eqCounter < ldcRootEvent->GetNEquipments(); eqCounter++) { |
746 | AliRawVEquipment *equipment=ldcRootEvent->GetEquipment(eqCounter); | |
243e7b72 | 747 | AliRawVEquipment *eq = subEvent->GetEquipment(eqCounter); |
748 | equipment->CloneRawData(eq->GetRawData()); | |
b900a426 | 749 | } |
750 | } | |
243e7b72 | 751 | // Reset original event and newly |
752 | // produced one | |
753 | gdcRootEvent->GetSubEvent(-1); | |
754 | fEvent->GetSubEvent(-1); | |
b900a426 | 755 | return new AliRawReaderRoot(gdcRootEvent); |
756 | } | |
757 | return NULL; | |
758 | } | |
1d6124f3 | 759 | |
760 | void AliRawReaderRoot::MakeIndex() { | |
761 | // Make index | |
762 | if (fBranch) { | |
763 | TTree * rawTree = fBranch->GetTree(); | |
764 | if (rawTree) { | |
765 | rawTree->BuildIndex("-fEvtHdrs[0].fSize"); // Minus sign to get largest first | |
766 | TTreeIndex * treeInd = (TTreeIndex*)rawTree->GetTreeIndex(); | |
767 | if (treeInd) fIndex = treeInd->GetIndex(); | |
768 | } | |
769 | } | |
770 | } |