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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 | |
24 | /// AliRawEvent. | |
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> | |
04fa961a | 33 | #include "AliRawReaderRoot.h" |
42d20574 | 34 | #include "AliRawEvent.h" |
f2dc6b20 | 35 | #include "AliRawEventHeaderBase.h" |
94d918a7 | 36 | #include "AliRawEquipment.h" |
a197a4ce | 37 | #include "AliRawEquipmentHeader.h" |
38 | #include "AliRawData.h" | |
04fa961a | 39 | |
40 | ||
41 | ClassImp(AliRawReaderRoot) | |
42 | ||
6923e953 | 43 | AliRawReaderRoot::AliRawReaderRoot() : |
44 | fFile(NULL), | |
45 | fBranch(NULL), | |
46 | fEventIndex(-1), | |
47 | fEvent(NULL), | |
48 | fSubEventIndex(0), | |
49 | fSubEvent(NULL), | |
50 | fEquipmentIndex(0), | |
51 | fEquipment(NULL), | |
52 | fRawData(NULL), | |
53 | fPosition(NULL), | |
54 | fEnd(NULL) | |
55 | { | |
56 | // default constructor | |
57 | ||
58 | } | |
04fa961a | 59 | |
dd9a70fe | 60 | AliRawReaderRoot::AliRawReaderRoot(const char* fileName, Int_t eventNumber) : |
61 | fFile(NULL), | |
62 | fBranch(NULL), | |
63 | fEventIndex(eventNumber), | |
64 | fEvent(NULL), | |
65 | fSubEventIndex(0), | |
66 | fSubEvent(NULL), | |
94d918a7 | 67 | fEquipmentIndex(0), |
68 | fEquipment(NULL), | |
dd9a70fe | 69 | fRawData(NULL), |
70 | fPosition(NULL), | |
71 | fEnd(NULL) | |
04fa961a | 72 | { |
73 | // create an object to read digits from the given input file for the | |
74 | // event with the given number | |
75 | ||
03c6d9a3 | 76 | TDirectory* dir = gDirectory; |
04fa961a | 77 | fFile = TFile::Open(fileName); |
03c6d9a3 | 78 | dir->cd(); |
04fa961a | 79 | if (!fFile || !fFile->IsOpen()) { |
80 | Error("AliRawReaderRoot", "could not open file %s", fileName); | |
a97af23d | 81 | fIsValid = kFALSE; |
04fa961a | 82 | return; |
83 | } | |
84 | TTree* tree = (TTree*) fFile->Get("RAW"); | |
85 | if (!tree) { | |
86 | Error("AliRawReaderRoot", "no raw data tree found"); | |
a97af23d | 87 | fIsValid = kFALSE; |
04fa961a | 88 | return; |
89 | } | |
dd9a70fe | 90 | fBranch = tree->GetBranch("rawevent"); |
91 | if (!fBranch) { | |
04fa961a | 92 | Error("AliRawReaderRoot", "no raw data branch found"); |
a97af23d | 93 | fIsValid = kFALSE; |
04fa961a | 94 | return; |
95 | } | |
96 | ||
97 | fEvent = new AliRawEvent; | |
dd9a70fe | 98 | fBranch->SetAddress(&fEvent); |
99 | if (fEventIndex >= 0) { | |
100 | if (fBranch->GetEntry(fEventIndex) <= 0) { | |
101 | Error("AliRawReaderRoot", "no event with number %d found", fEventIndex); | |
a97af23d | 102 | fIsValid = kFALSE; |
dd9a70fe | 103 | return; |
104 | } | |
04fa961a | 105 | } |
04fa961a | 106 | } |
107 | ||
dd9a70fe | 108 | AliRawReaderRoot::AliRawReaderRoot(AliRawEvent* event) : |
109 | fFile(NULL), | |
110 | fBranch(NULL), | |
111 | fEventIndex(-1), | |
112 | fEvent(event), | |
113 | fSubEventIndex(0), | |
114 | fSubEvent(NULL), | |
94d918a7 | 115 | fEquipmentIndex(0), |
116 | fEquipment(NULL), | |
dd9a70fe | 117 | fRawData(NULL), |
118 | fPosition(NULL), | |
119 | fEnd(NULL) | |
04fa961a | 120 | { |
121 | // create an object to read digits from the given raw event | |
a97af23d | 122 | if (!fEvent) fIsValid = kFALSE; |
04fa961a | 123 | } |
124 | ||
42d20574 | 125 | AliRawReaderRoot::AliRawReaderRoot(const AliRawReaderRoot& rawReader) : |
dd9a70fe | 126 | AliRawReader(rawReader), |
127 | fFile(NULL), | |
128 | fBranch(NULL), | |
129 | fEventIndex(rawReader.fEventIndex), | |
130 | fEvent(NULL), | |
131 | fSubEventIndex(rawReader.fSubEventIndex), | |
132 | fSubEvent(NULL), | |
94d918a7 | 133 | fEquipmentIndex(rawReader.fEquipmentIndex), |
134 | fEquipment(NULL), | |
dd9a70fe | 135 | fRawData(NULL), |
136 | fPosition(NULL), | |
137 | fEnd(NULL) | |
42d20574 | 138 | { |
139 | // copy constructor | |
140 | ||
dd9a70fe | 141 | if (rawReader.fFile) { |
142 | TDirectory* dir = gDirectory; | |
143 | fFile = TFile::Open(rawReader.fFile->GetName()); | |
144 | dir->cd(); | |
145 | if (!fFile || !fFile->IsOpen()) { | |
146 | Error("AliRawReaderRoot", "could not open file %s", | |
147 | rawReader.fFile->GetName()); | |
a97af23d | 148 | fIsValid = kFALSE; |
dd9a70fe | 149 | return; |
150 | } | |
151 | TTree* tree = (TTree*) fFile->Get("RAW"); | |
152 | if (!tree) { | |
153 | Error("AliRawReaderRoot", "no raw data tree found"); | |
a97af23d | 154 | fIsValid = kFALSE; |
dd9a70fe | 155 | return; |
156 | } | |
157 | fBranch = tree->GetBranch("rawevent"); | |
158 | if (!fBranch) { | |
159 | Error("AliRawReaderRoot", "no raw data branch found"); | |
a97af23d | 160 | fIsValid = kFALSE; |
dd9a70fe | 161 | return; |
162 | } | |
163 | ||
164 | fEvent = new AliRawEvent; | |
165 | fBranch->SetAddress(&fEvent); | |
166 | if (fEventIndex >= 0) { | |
167 | if (fBranch->GetEntry(fEventIndex) <= 0) { | |
168 | Error("AliRawReaderRoot", "no event with number %d found", | |
169 | fEventIndex); | |
a97af23d | 170 | fIsValid = kFALSE; |
dd9a70fe | 171 | return; |
172 | } | |
173 | } | |
174 | } else { | |
175 | fEvent = rawReader.fEvent; | |
176 | } | |
177 | ||
178 | if (fSubEventIndex > 0) { | |
179 | fSubEvent = fEvent->GetSubEvent(fSubEventIndex-1); | |
94d918a7 | 180 | fEquipment = fSubEvent->GetEquipment(fEquipmentIndex); |
181 | fRawData = fEquipment->GetRawData(); | |
dd9a70fe | 182 | fCount = 0; |
183 | fHeader = (AliRawDataHeader*) ((UChar_t*) fRawData->GetBuffer() + | |
184 | ((UChar_t*) rawReader.fHeader - | |
185 | (UChar_t*) rawReader.fRawData->GetBuffer())); | |
186 | fPosition = (UChar_t*) fRawData->GetBuffer() + | |
187 | (rawReader.fPosition - (UChar_t*) rawReader.fRawData->GetBuffer()); | |
188 | fEnd = ((UChar_t*) fRawData->GetBuffer()) + fRawData->GetSize(); | |
189 | } | |
42d20574 | 190 | } |
191 | ||
192 | AliRawReaderRoot& AliRawReaderRoot::operator = (const AliRawReaderRoot& | |
193 | rawReader) | |
194 | { | |
195 | // assignment operator | |
196 | ||
197 | this->~AliRawReaderRoot(); | |
198 | new(this) AliRawReaderRoot(rawReader); | |
199 | return *this; | |
200 | } | |
201 | ||
04fa961a | 202 | AliRawReaderRoot::~AliRawReaderRoot() |
203 | { | |
204 | // delete objects and close root file | |
205 | ||
206 | if (fFile) { | |
207 | if (fEvent) delete fEvent; | |
208 | fFile->Close(); | |
209 | delete fFile; | |
210 | } | |
211 | } | |
212 | ||
1fb5b4a8 | 213 | const AliRawEventHeaderBase* AliRawReaderRoot::GetEventHeader() const |
214 | { | |
215 | // Get the even header | |
216 | // Return NULL in case of failure | |
217 | if (!fEvent) return NULL; | |
218 | return fEvent->GetHeader(); | |
219 | } | |
04fa961a | 220 | |
42d20574 | 221 | UInt_t AliRawReaderRoot::GetType() const |
04fa961a | 222 | { |
223 | // get the type from the event header | |
224 | ||
225 | if (!fEvent) return 0; | |
f2dc6b20 | 226 | return fEvent->GetHeader()->Get("Type"); |
04fa961a | 227 | } |
228 | ||
42d20574 | 229 | UInt_t AliRawReaderRoot::GetRunNumber() const |
04fa961a | 230 | { |
231 | // get the run number from the event header | |
232 | ||
233 | if (!fEvent) return 0; | |
f2dc6b20 | 234 | return fEvent->GetHeader()->Get("RunNb"); |
04fa961a | 235 | } |
236 | ||
42d20574 | 237 | const UInt_t* AliRawReaderRoot::GetEventId() const |
04fa961a | 238 | { |
239 | // get the event id from the event header | |
240 | ||
241 | if (!fEvent) return NULL; | |
f2dc6b20 | 242 | return fEvent->GetHeader()->GetP("Id"); |
04fa961a | 243 | } |
244 | ||
42d20574 | 245 | const UInt_t* AliRawReaderRoot::GetTriggerPattern() const |
04fa961a | 246 | { |
247 | // get the trigger pattern from the event header | |
248 | ||
249 | if (!fEvent) return NULL; | |
f2dc6b20 | 250 | return fEvent->GetHeader()->GetP("TriggerPattern"); |
04fa961a | 251 | } |
252 | ||
42d20574 | 253 | const UInt_t* AliRawReaderRoot::GetDetectorPattern() const |
04fa961a | 254 | { |
255 | // get the detector pattern from the event header | |
256 | ||
257 | if (!fEvent) return NULL; | |
f2dc6b20 | 258 | return fEvent->GetHeader()->GetP("DetectorPattern"); |
04fa961a | 259 | } |
260 | ||
42d20574 | 261 | const UInt_t* AliRawReaderRoot::GetAttributes() const |
04fa961a | 262 | { |
263 | // get the type attributes from the event header | |
264 | ||
265 | if (!fEvent) return NULL; | |
f2dc6b20 | 266 | return fEvent->GetHeader()->GetP("TypeAttribute"); |
04fa961a | 267 | } |
268 | ||
e94ad92c | 269 | const UInt_t* AliRawReaderRoot::GetSubEventAttributes() const |
270 | { | |
271 | // get the type attributes from the sub event header | |
272 | ||
273 | if (!fSubEvent) return NULL; | |
f2dc6b20 | 274 | return fSubEvent->GetHeader()->GetP("TypeAttribute"); |
e94ad92c | 275 | } |
276 | ||
c946ab02 | 277 | UInt_t AliRawReaderRoot::GetLDCId() const |
278 | { | |
279 | // get the LDC Id from the event header | |
280 | ||
94d918a7 | 281 | if (!fEvent || !fSubEvent) return 0; |
f2dc6b20 | 282 | return fSubEvent->GetHeader()->Get("LdcId"); |
c946ab02 | 283 | } |
284 | ||
42d20574 | 285 | UInt_t AliRawReaderRoot::GetGDCId() const |
04fa961a | 286 | { |
287 | // get the GDC Id from the event header | |
288 | ||
289 | if (!fEvent) return 0; | |
f2dc6b20 | 290 | return fEvent->GetHeader()->Get("GdcId"); |
04fa961a | 291 | } |
292 | ||
741c154c | 293 | UInt_t AliRawReaderRoot::GetTimestamp() const |
294 | { | |
295 | if (!fEvent) return 0; | |
296 | return fEvent->GetHeader()->Get("Timestamp"); | |
297 | } | |
04fa961a | 298 | |
c946ab02 | 299 | Int_t AliRawReaderRoot::GetEquipmentSize() const |
300 | { | |
301 | // get the size of the equipment | |
302 | ||
94d918a7 | 303 | if (!fEvent || !fEquipment || !fEquipment->GetEquipmentHeader()) return 0; |
304 | return fEquipment->GetEquipmentHeader()->GetEquipmentSize(); | |
c946ab02 | 305 | } |
306 | ||
307 | Int_t AliRawReaderRoot::GetEquipmentType() const | |
308 | { | |
309 | // get the type from the equipment header | |
310 | ||
94d918a7 | 311 | if (!fEvent || !fEquipment || !fEquipment->GetEquipmentHeader()) return -1; |
312 | return fEquipment->GetEquipmentHeader()->GetEquipmentType(); | |
c946ab02 | 313 | } |
314 | ||
315 | Int_t AliRawReaderRoot::GetEquipmentId() const | |
316 | { | |
317 | // get the ID from the equipment header | |
318 | ||
94d918a7 | 319 | if (!fEvent || !fEquipment || !fEquipment->GetEquipmentHeader()) return -1; |
320 | return fEquipment->GetEquipmentHeader()->GetId(); | |
c946ab02 | 321 | } |
322 | ||
323 | const UInt_t* AliRawReaderRoot::GetEquipmentAttributes() const | |
324 | { | |
325 | // get the attributes from the equipment header | |
326 | ||
94d918a7 | 327 | if (!fEvent || !fEquipment || !fEquipment->GetEquipmentHeader()) return NULL; |
328 | return fEquipment->GetEquipmentHeader()->GetTypeAttribute(); | |
c946ab02 | 329 | } |
330 | ||
331 | Int_t AliRawReaderRoot::GetEquipmentElementSize() const | |
332 | { | |
333 | // get the basic element size from the equipment header | |
334 | ||
94d918a7 | 335 | if (!fEvent || !fEquipment || !fEquipment->GetEquipmentHeader()) return 0; |
336 | return fEquipment->GetEquipmentHeader()->GetBasicSizeType(); | |
c946ab02 | 337 | } |
338 | ||
299738b9 | 339 | Int_t AliRawReaderRoot::GetEquipmentHeaderSize() const |
340 | { | |
341 | // get the size of the equipment header (28 bytes by default) | |
342 | ||
343 | if (!fEvent || !fEquipment || !fEquipment->GetEquipmentHeader()) return 0; | |
344 | return fEquipment->GetEquipmentHeader()->HeaderSize(); | |
345 | } | |
346 | ||
edd06192 | 347 | // _________________________________________________________________________ |
edd06192 | 348 | void AliRawReaderRoot::SwapData(const void* inbuf, const void* outbuf, UInt_t size) { |
349 | // The method swaps the contents of the | |
350 | // raw-data event header | |
91f76e9b | 351 | UInt_t intCount = (size+3)/sizeof(UInt_t); |
edd06192 | 352 | |
353 | UInt_t* buf = (UInt_t*) inbuf; // temporary integers buffer | |
354 | for (UInt_t i=0; i<intCount; i++, buf++) { | |
355 | UInt_t value = SwapWord(*buf); | |
dae3f0d9 | 356 | if (i==(intCount-1)) |
357 | memcpy((UInt_t*)outbuf+i, &value, size%sizeof(UInt_t)); | |
358 | else | |
359 | memcpy((UInt_t*)outbuf+i, &value, sizeof(UInt_t)); | |
edd06192 | 360 | } |
361 | } | |
362 | // _________________________________________________________________________ | |
c946ab02 | 363 | |
364 | Bool_t AliRawReaderRoot::ReadHeader() | |
04fa961a | 365 | { |
39f9963f | 366 | // read a data header at the current position |
367 | // returns kFALSE if the data header could not be read | |
04fa961a | 368 | |
b4857df7 | 369 | fErrorCode = 0; |
04fa961a | 370 | if (!fEvent) return kFALSE; |
b4857df7 | 371 | |
04fa961a | 372 | do { |
b4857df7 | 373 | // skip payload (if event was not selected) |
374 | if (fCount > 0) fPosition += fCount; | |
375 | ||
94d918a7 | 376 | // get the first or the next equipment if at the end of an equipment |
377 | if (!fEquipment || (fPosition >= fEnd)) { | |
b4857df7 | 378 | |
94d918a7 | 379 | // get the first or the next sub event if at the end of a sub event |
380 | if (!fSubEvent || (fEquipmentIndex >= fSubEvent->GetNEquipments())) { | |
b4857df7 | 381 | |
94d918a7 | 382 | // check for end of event data |
383 | if (fSubEventIndex >= fEvent->GetNSubEvents()) return kFALSE; | |
384 | fSubEvent = fEvent->GetSubEvent(fSubEventIndex++); | |
385 | ||
386 | // check the magic word of the sub event | |
387 | if (!fSubEvent->GetHeader()->IsValid()) { | |
388 | Error("ReadHeader", "wrong magic number in sub event!"); | |
389 | fSubEvent->GetHeader()->Dump(); | |
390 | fErrorCode = kErrMagic; | |
391 | return kFALSE; | |
392 | } | |
393 | ||
394 | fEquipmentIndex = 0; | |
395 | fEquipment = NULL; | |
396 | fRawData = NULL; | |
b4857df7 | 397 | } |
398 | ||
94d918a7 | 399 | // get the next equipment and raw data |
04fa961a | 400 | fCount = 0; |
94d918a7 | 401 | fEquipment = fSubEvent->GetEquipment(fEquipmentIndex++); |
402 | if (!fEquipment) continue; | |
3d65cc80 | 403 | if (!IsSelected()) { |
404 | fPosition = fEnd; | |
405 | continue; | |
406 | } | |
94d918a7 | 407 | fRawData = fEquipment->GetRawData(); |
408 | if (!fRawData) { | |
409 | fPosition = fEnd; | |
410 | continue; | |
411 | } | |
04fa961a | 412 | fPosition = (UChar_t*) fRawData->GetBuffer(); |
413 | fEnd = ((UChar_t*) fRawData->GetBuffer()) + fRawData->GetSize(); | |
414 | } | |
b4857df7 | 415 | |
94d918a7 | 416 | // continue with the next equipment if no data left in the payload |
b4857df7 | 417 | if (fPosition >= fEnd) continue; |
418 | ||
18882b3b | 419 | if (fRequireHeader) { |
420 | // check that there are enough bytes left for the data header | |
421 | if (fPosition + sizeof(AliRawDataHeader) > fEnd) { | |
422 | Error("ReadHeader", "could not read data header!"); | |
423 | Warning("ReadHeader", "skipping %d bytes", fEnd - fPosition); | |
424 | fEquipment->GetEquipmentHeader()->Dump(); | |
425 | fCount = 0; | |
426 | fPosition = fEnd; | |
427 | fErrorCode = kErrNoDataHeader; | |
428 | continue; | |
429 | } | |
430 | ||
431 | // "read" the data header | |
432 | fHeader = (AliRawDataHeader*) fPosition; | |
edd06192 | 433 | #ifndef R__BYTESWAP |
434 | SwapData((void*) fHeader, (void*) fHeaderSwapped, sizeof(AliRawDataHeader)); | |
435 | fHeader=fHeaderSwapped; | |
436 | #endif | |
299738b9 | 437 | if ((fPosition + fHeader->fSize) != fEnd) { |
806e573c | 438 | if (fHeader->fSize != 0xFFFFFFFF) |
439 | Warning("ReadHeader", | |
440 | "Equipment %d : raw data size found in the header is wrong (%d != %d)! Using the equipment size instead !", | |
441 | fEquipment->GetEquipmentHeader()->GetId(),fHeader->fSize, fEnd - fPosition); | |
299738b9 | 442 | fHeader->fSize = fEnd - fPosition; |
443 | } | |
18882b3b | 444 | fPosition += sizeof(AliRawDataHeader); |
04fa961a | 445 | } |
b4857df7 | 446 | |
7c726b91 | 447 | if (fHeader && (fHeader->fSize != 0xFFFFFFFF)) { |
39f9963f | 448 | fCount = fHeader->fSize - sizeof(AliRawDataHeader); |
7c726b91 | 449 | |
450 | // check consistency of data size in the header and in the sub event | |
451 | if (fPosition + fCount > fEnd) { | |
452 | Error("ReadHeader", "size in data header exceeds event size!"); | |
453 | Warning("ReadHeader", "skipping %d bytes", fEnd - fPosition); | |
454 | fEquipment->GetEquipmentHeader()->Dump(); | |
455 | fCount = 0; | |
456 | fPosition = fEnd; | |
457 | fErrorCode = kErrSize; | |
458 | continue; | |
459 | } | |
460 | ||
39f9963f | 461 | } else { |
462 | fCount = fEnd - fPosition; | |
72dd1d4f | 463 | } |
b4857df7 | 464 | |
04fa961a | 465 | } while (!IsSelected()); |
b4857df7 | 466 | |
04fa961a | 467 | return kTRUE; |
468 | } | |
469 | ||
470 | Bool_t AliRawReaderRoot::ReadNextData(UChar_t*& data) | |
471 | { | |
472 | // reads the next payload at the current position | |
473 | // returns kFALSE if the data could not be read | |
474 | ||
b4857df7 | 475 | fErrorCode = 0; |
04fa961a | 476 | while (fCount == 0) { |
c946ab02 | 477 | if (!ReadHeader()) return kFALSE; |
04fa961a | 478 | } |
479 | data = fPosition; | |
480 | fPosition += fCount; | |
481 | fCount = 0; | |
482 | return kTRUE; | |
483 | } | |
484 | ||
485 | Bool_t AliRawReaderRoot::ReadNext(UChar_t* data, Int_t size) | |
486 | { | |
487 | // reads the next block of data at the current position | |
488 | // returns kFALSE if the data could not be read | |
489 | ||
b4857df7 | 490 | fErrorCode = 0; |
04fa961a | 491 | if (fPosition + size > fEnd) { |
492 | Error("ReadNext", "could not read data!"); | |
b4857df7 | 493 | fErrorCode = kErrOutOfBounds; |
04fa961a | 494 | return kFALSE; |
495 | } | |
496 | memcpy(data, fPosition, size); | |
dae3f0d9 | 497 | |
04fa961a | 498 | fPosition += size; |
499 | fCount -= size; | |
500 | return kTRUE; | |
501 | } | |
502 | ||
503 | ||
504 | Bool_t AliRawReaderRoot::Reset() | |
505 | { | |
506 | // reset the current position to the beginning of the event | |
507 | ||
508 | fSubEventIndex = 0; | |
509 | fSubEvent = NULL; | |
94d918a7 | 510 | fEquipmentIndex = 0; |
511 | fEquipment = NULL; | |
04fa961a | 512 | fRawData = NULL; |
39f9963f | 513 | fHeader = NULL; |
04fa961a | 514 | |
515 | fCount = 0; | |
516 | fPosition = fEnd = NULL; | |
517 | return kTRUE; | |
518 | } | |
519 | ||
b4857df7 | 520 | |
dd9a70fe | 521 | Bool_t AliRawReaderRoot::NextEvent() |
522 | { | |
523 | // go to the next event in the root file | |
524 | ||
2da4ef20 | 525 | if (!fBranch) return kFALSE; |
dd9a70fe | 526 | |
527 | do { | |
d41ecdd0 | 528 | delete fEvent; |
529 | fEvent = new AliRawEvent; | |
530 | fBranch->SetAddress(&fEvent); | |
531 | if (fBranch->GetEntry(fEventIndex+1) <= 0) | |
dd9a70fe | 532 | return kFALSE; |
dd9a70fe | 533 | fEventIndex++; |
534 | } while (!IsEventSelected()); | |
38cf12f3 | 535 | fEventNumber++; |
dd9a70fe | 536 | return Reset(); |
537 | } | |
538 | ||
539 | Bool_t AliRawReaderRoot::RewindEvents() | |
540 | { | |
541 | // go back to the beginning of the root file | |
542 | ||
2da4ef20 | 543 | if (!fBranch) return kFALSE; |
dd9a70fe | 544 | |
545 | fEventIndex = -1; | |
546 | delete fEvent; | |
547 | fEvent = new AliRawEvent; | |
548 | fBranch->SetAddress(&fEvent); | |
38cf12f3 | 549 | fEventNumber = -1; |
dd9a70fe | 550 | return Reset(); |
551 | } | |
552 | ||
636c1780 | 553 | Bool_t AliRawReaderRoot::GotoEvent(Int_t event) |
554 | { | |
555 | // go to a particular event | |
556 | // Uses the absolute event index inside the | |
557 | // raw-data file | |
558 | ||
559 | if (!fBranch) return kFALSE; | |
560 | ||
561 | delete fEvent; | |
562 | fEvent = new AliRawEvent; | |
563 | fBranch->SetAddress(&fEvent); | |
564 | if (fBranch->GetEntry(event) <= 0) | |
565 | return kFALSE; | |
566 | fEventIndex = event; | |
567 | fEventNumber++; | |
568 | return Reset(); | |
569 | } | |
dd9a70fe | 570 | |
25e82ff5 | 571 | Int_t AliRawReaderRoot::GetNumberOfEvents() const |
572 | { | |
573 | // Get the total number of events in | |
574 | // the raw-data tree | |
575 | ||
576 | if (!fBranch) return -1; | |
577 | ||
578 | return fBranch->GetEntries(); | |
579 | } | |
580 | ||
b4857df7 | 581 | Int_t AliRawReaderRoot::CheckData() const |
582 | { | |
583 | // check the consistency of the data | |
584 | ||
585 | if (!fEvent) return 0; | |
586 | ||
587 | AliRawEvent* subEvent = NULL; | |
588 | Int_t subEventIndex = 0; | |
94d918a7 | 589 | AliRawEquipment* equipment = NULL; |
590 | Int_t equipmentIndex = 0; | |
b4857df7 | 591 | UChar_t* position = 0; |
592 | UChar_t* end = 0; | |
be50fca2 | 593 | Int_t result = 0; |
b4857df7 | 594 | |
595 | while (kTRUE) { | |
94d918a7 | 596 | // get the first or the next sub event if at the end of an equipment |
597 | if (!subEvent || (equipmentIndex >= subEvent->GetNEquipments())) { | |
b4857df7 | 598 | |
599 | // check for end of event data | |
be50fca2 | 600 | if (subEventIndex >= fEvent->GetNSubEvents()) return result; |
b4857df7 | 601 | subEvent = fEvent->GetSubEvent(subEventIndex++); |
602 | ||
603 | // check the magic word of the sub event | |
be50fca2 | 604 | if (!fSubEvent->GetHeader()->IsValid()) { |
605 | result |= kErrMagic; | |
606 | return result; | |
607 | } | |
b4857df7 | 608 | |
94d918a7 | 609 | equipmentIndex = 0; |
b4857df7 | 610 | } |
611 | ||
94d918a7 | 612 | // get the next equipment and raw data |
613 | equipment = subEvent->GetEquipment(equipmentIndex++); | |
614 | if (!equipment) continue; | |
615 | AliRawData* rawData = equipment->GetRawData(); | |
616 | if (!rawData) continue; | |
617 | position = (UChar_t*) rawData->GetBuffer(); | |
618 | end = ((UChar_t*) rawData->GetBuffer()) + rawData->GetSize(); | |
619 | ||
b4857df7 | 620 | // continue with the next sub event if no data left in the payload |
621 | if (position >= end) continue; | |
622 | ||
18882b3b | 623 | if (fRequireHeader) { |
39f9963f | 624 | // check that there are enough bytes left for the data header |
18882b3b | 625 | if (position + sizeof(AliRawDataHeader) > end) { |
626 | result |= kErrNoDataHeader; | |
627 | continue; | |
628 | } | |
b4857df7 | 629 | |
18882b3b | 630 | // check consistency of data size in the header and in the equipment |
631 | AliRawDataHeader* header = (AliRawDataHeader*) position; | |
299738b9 | 632 | if ((position + header->fSize) != end) { |
806e573c | 633 | if (header->fSize != 0xFFFFFFFF) |
634 | Warning("ReadHeader", | |
635 | "Equipment %d : raw data size found in the header is wrong (%d != %d)! Using the equipment size instead !", | |
636 | equipment->GetEquipmentHeader()->GetId(),header->fSize, end - position); | |
299738b9 | 637 | header->fSize = end - position; |
638 | result |= kErrSize; | |
39f9963f | 639 | } |
be50fca2 | 640 | } |
299738b9 | 641 | position = end; |
b4857df7 | 642 | }; |
fd0de2e2 | 643 | |
644 | return result; | |
b4857df7 | 645 | } |