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16048fcf | 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 | ||
16048fcf | 18 | /////////////////////////////////////////////////////////////////////////////// |
bea6b2a4 | 19 | /// |
20 | /// This is a class for reading raw data from a date file or event. | |
21 | /// | |
22 | /// The AliRawReaderDate is constructed either with a pointer to a | |
23 | /// date event or with a file name and an event number. | |
24 | /// | |
16048fcf | 25 | /////////////////////////////////////////////////////////////////////////////// |
26 | ||
27 | #include "AliRawReaderDate.h" | |
16048fcf | 28 | #include "event.h" |
16048fcf | 29 | |
30 | ClassImp(AliRawReaderDate) | |
31 | ||
32 | ||
34576417 | 33 | AliRawReaderDate::AliRawReaderDate(void* event, Bool_t owner) : |
dd9a70fe | 34 | fFile(NULL), |
c946ab02 | 35 | fEvent(NULL), |
36 | fSubEvent(NULL), | |
37 | fEquipment(NULL), | |
c946ab02 | 38 | fPosition(NULL), |
d87c6cb8 | 39 | fEnd(NULL), |
40 | fOwner(owner) | |
16048fcf | 41 | { |
42 | // create an object to read digits from the given date event | |
43 | ||
16048fcf | 44 | fEvent = (eventHeaderStruct*) event; |
c946ab02 | 45 | } |
46 | ||
34576417 | 47 | AliRawReaderDate::AliRawReaderDate(const char* fileName, Int_t eventNumber) : |
dd9a70fe | 48 | fFile(NULL), |
c946ab02 | 49 | fEvent(NULL), |
50 | fSubEvent(NULL), | |
51 | fEquipment(NULL), | |
c946ab02 | 52 | fPosition(NULL), |
d87c6cb8 | 53 | fEnd(NULL), |
54 | fOwner(kTRUE) | |
c946ab02 | 55 | { |
56 | // create an object to read digits from the given date event | |
57 | ||
dd9a70fe | 58 | fFile = fopen(fileName, "rb"); |
59 | if (!fFile) { | |
c946ab02 | 60 | Error("AliRawReaderDate", "could not open file %s", fileName); |
a97af23d | 61 | fIsValid = kFALSE; |
c946ab02 | 62 | return; |
63 | } | |
dd9a70fe | 64 | if (eventNumber < 0) return; |
65 | ||
c946ab02 | 66 | eventHeaderStruct header; |
67 | UInt_t headerSize = sizeof(eventHeaderStruct); | |
dd9a70fe | 68 | while (fread(&header, 1, headerSize, fFile) == headerSize) { |
c946ab02 | 69 | if (eventNumber == 0) { |
70 | UChar_t* buffer = new UChar_t[header.eventSize]; | |
b91d160c | 71 | fseek(fFile, -(long)headerSize, SEEK_CUR); |
dd9a70fe | 72 | if (fread(buffer, 1, header.eventSize, fFile) != header.eventSize) break; |
c946ab02 | 73 | fEvent = (eventHeaderStruct*) buffer; |
c946ab02 | 74 | break; |
75 | } | |
dd9a70fe | 76 | fseek(fFile, header.eventSize-headerSize, SEEK_CUR); |
c946ab02 | 77 | eventNumber--; |
78 | } | |
c946ab02 | 79 | |
16048fcf | 80 | } |
81 | ||
c946ab02 | 82 | AliRawReaderDate::~AliRawReaderDate() |
83 | { | |
84 | // destructor | |
85 | ||
d87c6cb8 | 86 | if (fEvent && fOwner) delete[] fEvent; |
dd9a70fe | 87 | if (fFile) { |
dd9a70fe | 88 | fclose(fFile); |
89 | } | |
c946ab02 | 90 | } |
91 | ||
16048fcf | 92 | |
93 | UInt_t AliRawReaderDate::GetType() const | |
94 | { | |
95 | // get the type from the event header | |
96 | ||
16048fcf | 97 | if (!fEvent) return 0; |
98 | return fEvent->eventType; | |
16048fcf | 99 | } |
100 | ||
101 | UInt_t AliRawReaderDate::GetRunNumber() const | |
102 | { | |
103 | // get the run number from the event header | |
104 | ||
16048fcf | 105 | if (!fEvent) return 0; |
106 | return fEvent->eventRunNb; | |
16048fcf | 107 | } |
108 | ||
109 | const UInt_t* AliRawReaderDate::GetEventId() const | |
110 | { | |
111 | // get the event id from the event header | |
112 | ||
16048fcf | 113 | if (!fEvent) return NULL; |
114 | return fEvent->eventId; | |
16048fcf | 115 | } |
116 | ||
117 | const UInt_t* AliRawReaderDate::GetTriggerPattern() const | |
118 | { | |
119 | // get the trigger pattern from the event header | |
120 | ||
16048fcf | 121 | if (!fEvent) return NULL; |
122 | return fEvent->eventTriggerPattern; | |
16048fcf | 123 | } |
124 | ||
125 | const UInt_t* AliRawReaderDate::GetDetectorPattern() const | |
126 | { | |
127 | // get the detector pattern from the event header | |
128 | ||
16048fcf | 129 | if (!fEvent) return NULL; |
130 | return fEvent->eventDetectorPattern; | |
16048fcf | 131 | } |
132 | ||
133 | const UInt_t* AliRawReaderDate::GetAttributes() const | |
134 | { | |
135 | // get the type attributes from the event header | |
136 | ||
16048fcf | 137 | if (!fEvent) return NULL; |
138 | return fEvent->eventTypeAttribute; | |
16048fcf | 139 | } |
140 | ||
e94ad92c | 141 | const UInt_t* AliRawReaderDate::GetSubEventAttributes() const |
142 | { | |
143 | // get the type attributes from the sub event header | |
144 | ||
e94ad92c | 145 | if (!fSubEvent) return NULL; |
146 | return fSubEvent->eventTypeAttribute; | |
e94ad92c | 147 | } |
148 | ||
c946ab02 | 149 | UInt_t AliRawReaderDate::GetLDCId() const |
150 | { | |
151 | // get the LDC Id from the event header | |
152 | ||
c946ab02 | 153 | if (!fSubEvent) return 0; |
154 | return fSubEvent->eventLdcId; | |
c946ab02 | 155 | } |
156 | ||
16048fcf | 157 | UInt_t AliRawReaderDate::GetGDCId() const |
158 | { | |
159 | // get the GDC Id from the event header | |
160 | ||
16048fcf | 161 | if (!fEvent) return 0; |
162 | return fEvent->eventGdcId; | |
16048fcf | 163 | } |
164 | ||
741c154c | 165 | UInt_t AliRawReaderDate::GetTimestamp() const |
166 | { | |
167 | // get the timestamp from the event header | |
168 | ||
741c154c | 169 | if (!fEvent) return 0; |
170 | return fEvent->eventTimestamp; | |
741c154c | 171 | } |
16048fcf | 172 | |
c946ab02 | 173 | Int_t AliRawReaderDate::GetEquipmentSize() const |
174 | { | |
299738b9 | 175 | // get the size of the equipment (including the header) |
c946ab02 | 176 | |
c946ab02 | 177 | if (!fEquipment) return 0; |
87db01b0 | 178 | if (fSubEvent->eventVersion <= 0x00030001) { |
299738b9 | 179 | return fEquipment->equipmentSize + sizeof(equipmentHeaderStruct); |
87db01b0 | 180 | } else { |
299738b9 | 181 | return fEquipment->equipmentSize; |
87db01b0 | 182 | } |
c946ab02 | 183 | } |
184 | ||
185 | Int_t AliRawReaderDate::GetEquipmentType() const | |
186 | { | |
187 | // get the type from the equipment header | |
188 | ||
c946ab02 | 189 | if (!fEquipment) return -1; |
190 | return fEquipment->equipmentType; | |
c946ab02 | 191 | } |
192 | ||
193 | Int_t AliRawReaderDate::GetEquipmentId() const | |
194 | { | |
195 | // get the ID from the equipment header | |
196 | ||
c946ab02 | 197 | if (!fEquipment) return -1; |
198 | return fEquipment->equipmentId; | |
c946ab02 | 199 | } |
200 | ||
201 | const UInt_t* AliRawReaderDate::GetEquipmentAttributes() const | |
202 | { | |
203 | // get the attributes from the equipment header | |
204 | ||
c946ab02 | 205 | if (!fEquipment) return NULL; |
206 | return fEquipment->equipmentTypeAttribute; | |
c946ab02 | 207 | } |
208 | ||
209 | Int_t AliRawReaderDate::GetEquipmentElementSize() const | |
210 | { | |
211 | // get the basic element size from the equipment header | |
212 | ||
c946ab02 | 213 | if (!fEquipment) return 0; |
214 | return fEquipment->equipmentBasicElementSize; | |
c946ab02 | 215 | } |
216 | ||
299738b9 | 217 | Int_t AliRawReaderDate::GetEquipmentHeaderSize() const |
218 | { | |
219 | // Get the equipment header size | |
220 | // 28 bytes by default | |
299738b9 | 221 | return sizeof(equipmentHeaderStruct); |
299738b9 | 222 | } |
c946ab02 | 223 | |
224 | Bool_t AliRawReaderDate::ReadHeader() | |
16048fcf | 225 | { |
39f9963f | 226 | // read a data header at the current position |
227 | // returns kFALSE if the data header could not be read | |
16048fcf | 228 | |
b4857df7 | 229 | fErrorCode = 0; |
230 | ||
921a8308 | 231 | fHeader = NULL; |
16048fcf | 232 | if (!fEvent) return kFALSE; |
b4857df7 | 233 | // check whether there are sub events |
234 | if (fEvent->eventSize <= fEvent->eventHeadSize) return kFALSE; | |
235 | ||
16048fcf | 236 | do { |
b4857df7 | 237 | // skip payload (if event was not selected) |
238 | if (fCount > 0) fPosition += fCount; | |
239 | ||
c946ab02 | 240 | // get the first or the next equipment if at the end of an equipment |
241 | if (!fEquipment || (fPosition >= fEnd)) { | |
921a8308 | 242 | fEquipment = NULL; |
c946ab02 | 243 | |
244 | // get the first or the next sub event if at the end of a sub event | |
245 | if (!fSubEvent || | |
246 | (fPosition >= ((UChar_t*)fSubEvent) + fSubEvent->eventSize)) { | |
247 | ||
248 | // check for end of event data | |
249 | if (fPosition >= ((UChar_t*)fEvent)+fEvent->eventSize) return kFALSE; | |
5ba96ac1 | 250 | if (!TEST_SYSTEM_ATTRIBUTE(fEvent->eventTypeAttribute, |
251 | ATTR_SUPER_EVENT)) { | |
252 | fSubEvent = fEvent; // no super event | |
253 | } else if (fSubEvent) { | |
c946ab02 | 254 | fSubEvent = (eventHeaderStruct*) (((UChar_t*)fSubEvent) + |
255 | fSubEvent->eventSize); | |
256 | } else { | |
257 | fSubEvent = (eventHeaderStruct*) (((UChar_t*)fEvent) + | |
258 | fEvent->eventHeadSize); | |
259 | } | |
260 | ||
261 | // check the magic word of the sub event | |
262 | if (fSubEvent->eventMagic != EVENT_MAGIC_NUMBER) { | |
263 | Error("ReadHeader", "wrong magic number in sub event!\n" | |
264 | " run: %d event: %d %d LDC: %d GDC: %d\n", | |
265 | fSubEvent->eventRunNb, | |
266 | fSubEvent->eventId[0], fSubEvent->eventId[1], | |
267 | fSubEvent->eventLdcId, fSubEvent->eventGdcId); | |
268 | fErrorCode = kErrMagic; | |
269 | return kFALSE; | |
270 | } | |
271 | ||
921a8308 | 272 | // continue if no data in the subevent |
273 | if (fSubEvent->eventSize == fSubEvent->eventHeadSize) { | |
274 | fPosition = fEnd = ((UChar_t*)fSubEvent) + fSubEvent->eventSize; | |
275 | fCount = 0; | |
276 | continue; | |
277 | } | |
278 | ||
c946ab02 | 279 | fEquipment = (equipmentHeaderStruct*) |
280 | (((UChar_t*)fSubEvent) + fSubEvent->eventHeadSize); | |
b4857df7 | 281 | |
16048fcf | 282 | } else { |
c946ab02 | 283 | fEquipment = (equipmentHeaderStruct*) fEnd; |
b4857df7 | 284 | } |
285 | ||
16048fcf | 286 | fCount = 0; |
c946ab02 | 287 | fPosition = ((UChar_t*)fEquipment) + sizeof(equipmentHeaderStruct); |
87db01b0 | 288 | if (fSubEvent->eventVersion <= 0x00030001) { |
921a8308 | 289 | fEnd = fPosition + fEquipment->equipmentSize; |
290 | } else { | |
291 | fEnd = ((UChar_t*)fEquipment) + fEquipment->equipmentSize; | |
292 | } | |
16048fcf | 293 | } |
b4857df7 | 294 | |
295 | // continue with the next sub event if no data left in the payload | |
296 | if (fPosition >= fEnd) continue; | |
297 | ||
39f9963f | 298 | if (fRequireHeader) { |
299 | // check that there are enough bytes left for the data header | |
300 | if (fPosition + sizeof(AliRawDataHeader) > fEnd) { | |
301 | Error("ReadHeader", "could not read data header data!"); | |
34576417 | 302 | Warning("ReadHeader", "skipping %ld bytes\n" |
c946ab02 | 303 | " run: %d event: %d %d LDC: %d GDC: %d\n", |
304 | fEnd - fPosition, fSubEvent->eventRunNb, | |
305 | fSubEvent->eventId[0], fSubEvent->eventId[1], | |
306 | fSubEvent->eventLdcId, fSubEvent->eventGdcId); | |
307 | fCount = 0; | |
308 | fPosition = fEnd; | |
39f9963f | 309 | fErrorCode = kErrNoDataHeader; |
c946ab02 | 310 | continue; |
311 | } | |
b4857df7 | 312 | |
39f9963f | 313 | // "read" the data header |
314 | fHeader = (AliRawDataHeader*) fPosition; | |
ba74320c | 315 | // Now check the version of the header |
316 | UChar_t version = 2; | |
317 | if (fHeader) version=fHeader->GetVersion(); | |
318 | ||
319 | if (version==2) { | |
320 | if ((fPosition + fHeader->fSize) != fEnd) { | |
321 | if ((fHeader->fSize != 0xFFFFFFFF) && | |
322 | (fEquipment->equipmentId != 4352)) | |
323 | Warning("ReadHeader", | |
34576417 | 324 | "raw data size found in the header is wrong (%d != %ld)! Using the equipment size instead !", |
ba74320c | 325 | fHeader->fSize, fEnd - fPosition); |
326 | fHeader->fSize = fEnd - fPosition; | |
327 | } | |
328 | fPosition += sizeof(AliRawDataHeader); | |
329 | fHeaderV3 = 0; | |
330 | } else if (version==3) { | |
331 | fHeaderV3 = (AliRawDataHeaderV3*) fPosition; | |
332 | if ((fPosition + fHeaderV3->fSize) != fEnd) { | |
333 | if ((fHeaderV3->fSize != 0xFFFFFFFF) && | |
334 | (fEquipment->equipmentId != 4352)) | |
335 | Warning("ReadHeader", | |
34576417 | 336 | "raw data size found in the header is wrong (%d != %ld)! Using the equipment size instead !", |
ba74320c | 337 | fHeaderV3->fSize, fEnd - fPosition); |
338 | fHeaderV3->fSize = fEnd - fPosition; | |
339 | } | |
340 | fPosition += sizeof(AliRawDataHeaderV3); | |
341 | fHeader = 0; | |
299738b9 | 342 | } |
72dd1d4f | 343 | } |
c946ab02 | 344 | |
39f9963f | 345 | if (fHeader && (fHeader->fSize != 0xFFFFFFFF)) { |
346 | fCount = fHeader->fSize - sizeof(AliRawDataHeader); | |
c946ab02 | 347 | |
39f9963f | 348 | // check consistency of data size in the header and in the sub event |
c946ab02 | 349 | if (fPosition + fCount > fEnd) { |
39f9963f | 350 | Error("ReadHeader", "size in data header exceeds event size!"); |
34576417 | 351 | Warning("ReadHeader", "skipping %ld bytes\n" |
c946ab02 | 352 | " run: %d event: %d %d LDC: %d GDC: %d\n", |
353 | fEnd - fPosition, fSubEvent->eventRunNb, | |
354 | fSubEvent->eventId[0], fSubEvent->eventId[1], | |
355 | fSubEvent->eventLdcId, fSubEvent->eventGdcId); | |
356 | fCount = 0; | |
357 | fPosition = fEnd; | |
358 | fErrorCode = kErrSize; | |
359 | continue; | |
360 | } | |
361 | ||
ba74320c | 362 | } else if (fHeaderV3 && (fHeaderV3->fSize != 0xFFFFFFFF)) { |
363 | fCount = fHeaderV3->fSize - sizeof(AliRawDataHeaderV3); | |
364 | ||
365 | // check consistency of data size in the header and in the sub event | |
366 | if (fPosition + fCount > fEnd) { | |
367 | Error("ReadHeader", "size in data header exceeds event size!"); | |
34576417 | 368 | Warning("ReadHeader", "skipping %ld bytes\n" |
ba74320c | 369 | " run: %d event: %d %d LDC: %d GDC: %d\n", |
370 | fEnd - fPosition, fSubEvent->eventRunNb, | |
371 | fSubEvent->eventId[0], fSubEvent->eventId[1], | |
372 | fSubEvent->eventLdcId, fSubEvent->eventGdcId); | |
373 | fCount = 0; | |
374 | fPosition = fEnd; | |
375 | fErrorCode = kErrSize; | |
376 | continue; | |
377 | } | |
378 | ||
c946ab02 | 379 | } else { |
380 | fCount = fEnd - fPosition; | |
16048fcf | 381 | } |
b4857df7 | 382 | |
921a8308 | 383 | } while (!fEquipment || !IsSelected()); |
b4857df7 | 384 | |
16048fcf | 385 | return kTRUE; |
16048fcf | 386 | } |
387 | ||
388 | Bool_t AliRawReaderDate::ReadNextData(UChar_t*& data) | |
389 | { | |
390 | // reads the next payload at the current position | |
391 | // returns kFALSE if the data could not be read | |
392 | ||
b4857df7 | 393 | fErrorCode = 0; |
16048fcf | 394 | while (fCount == 0) { |
c946ab02 | 395 | if (!ReadHeader()) return kFALSE; |
16048fcf | 396 | } |
397 | data = fPosition; | |
398 | fPosition += fCount; | |
399 | fCount = 0; | |
400 | return kTRUE; | |
401 | } | |
402 | ||
403 | Bool_t AliRawReaderDate::ReadNext(UChar_t* data, Int_t size) | |
404 | { | |
405 | // reads the next block of data at the current position | |
406 | // returns kFALSE if the data could not be read | |
407 | ||
b4857df7 | 408 | fErrorCode = 0; |
16048fcf | 409 | if (fPosition + size > fEnd) { |
410 | Error("ReadNext", "could not read data!"); | |
b4857df7 | 411 | fErrorCode = kErrOutOfBounds; |
16048fcf | 412 | return kFALSE; |
413 | } | |
414 | memcpy(data, fPosition, size); | |
415 | fPosition += size; | |
416 | fCount -= size; | |
417 | return kTRUE; | |
418 | } | |
419 | ||
420 | ||
421 | Bool_t AliRawReaderDate::Reset() | |
422 | { | |
423 | // reset the current position to the beginning of the event | |
424 | ||
16048fcf | 425 | fSubEvent = NULL; |
d7aa1c7c | 426 | fEquipment = NULL; |
16048fcf | 427 | fCount = 0; |
428 | fPosition = fEnd = NULL; | |
ba74320c | 429 | fHeader=NULL; |
430 | fHeaderV3=NULL; | |
16048fcf | 431 | return kTRUE; |
432 | } | |
b4857df7 | 433 | |
434 | ||
dd9a70fe | 435 | Bool_t AliRawReaderDate::NextEvent() |
436 | { | |
437 | // go to the next event in the date file | |
438 | ||
b04576f7 | 439 | if (!fFile) { |
440 | if (fEventNumber < 0 && fEvent) { | |
441 | fEventNumber++; | |
442 | return kTRUE; | |
443 | } | |
444 | else | |
445 | return kFALSE; | |
446 | } | |
dd9a70fe | 447 | |
d7aa1c7c | 448 | Reset(); |
dd9a70fe | 449 | eventHeaderStruct header; |
450 | UInt_t headerSize = sizeof(eventHeaderStruct); | |
451 | if (fEvent) delete[] fEvent; | |
452 | fEvent = &header; | |
453 | ||
454 | while (fread(&header, 1, headerSize, fFile) == headerSize) { | |
455 | if (!IsEventSelected()) { | |
456 | fseek(fFile, header.eventSize-headerSize, SEEK_CUR); | |
457 | continue; | |
458 | } | |
459 | UChar_t* buffer = new UChar_t[header.eventSize]; | |
b91d160c | 460 | fseek(fFile, -(long)headerSize, SEEK_CUR); |
dd9a70fe | 461 | if (fread(buffer, 1, header.eventSize, fFile) != header.eventSize) { |
462 | Error("NextEvent", "could not read event from file"); | |
463 | delete[] buffer; | |
464 | break; | |
465 | } | |
466 | fEvent = (eventHeaderStruct*) buffer; | |
38cf12f3 | 467 | fEventNumber++; |
dd9a70fe | 468 | return kTRUE; |
469 | }; | |
470 | ||
471 | fEvent = NULL; | |
5bec8712 | 472 | |
dd9a70fe | 473 | return kFALSE; |
474 | } | |
475 | ||
476 | Bool_t AliRawReaderDate::RewindEvents() | |
477 | { | |
478 | // go back to the beginning of the date file | |
479 | ||
b04576f7 | 480 | if (fFile) |
481 | fseek(fFile, 0, SEEK_SET); | |
dd9a70fe | 482 | |
38cf12f3 | 483 | fEventNumber = -1; |
dd9a70fe | 484 | return Reset(); |
485 | } | |
486 | ||
487 | ||
b4857df7 | 488 | Int_t AliRawReaderDate::CheckData() const |
489 | { | |
490 | // check the consistency of the data | |
491 | ||
b4857df7 | 492 | if (!fEvent) return 0; |
493 | // check whether there are sub events | |
494 | if (fEvent->eventSize <= fEvent->eventHeadSize) return 0; | |
495 | ||
496 | eventHeaderStruct* subEvent = NULL; | |
497 | UChar_t* position = 0; | |
498 | UChar_t* end = 0; | |
be50fca2 | 499 | Int_t result = 0; |
b4857df7 | 500 | |
501 | while (kTRUE) { | |
502 | // get the first or the next sub event if at the end of a sub event | |
503 | if (!subEvent || (position >= end)) { | |
504 | ||
505 | // check for end of event data | |
be50fca2 | 506 | if (position >= ((UChar_t*)fEvent)+fEvent->eventSize) return result; |
5ba96ac1 | 507 | if (!TEST_SYSTEM_ATTRIBUTE(fEvent->eventTypeAttribute, |
508 | ATTR_SUPER_EVENT)) { | |
509 | subEvent = fEvent; // no super event | |
510 | } else if (subEvent) { | |
b4857df7 | 511 | subEvent = (eventHeaderStruct*) (((UChar_t*)subEvent) + |
512 | subEvent->eventSize); | |
513 | } else { | |
514 | subEvent = (eventHeaderStruct*) (((UChar_t*)fEvent) + | |
515 | fEvent->eventHeadSize); | |
516 | } | |
517 | ||
518 | // check the magic word of the sub event | |
be50fca2 | 519 | if (subEvent->eventMagic != EVENT_MAGIC_NUMBER) { |
520 | result |= kErrMagic; | |
521 | return result; | |
522 | } | |
b4857df7 | 523 | |
524 | position = ((UChar_t*)subEvent) + subEvent->eventHeadSize + | |
525 | sizeof(equipmentHeaderStruct); | |
526 | end = ((UChar_t*)subEvent) + subEvent->eventSize; | |
527 | } | |
528 | ||
529 | // continue with the next sub event if no data left in the payload | |
530 | if (position >= end) continue; | |
531 | ||
18882b3b | 532 | if (fRequireHeader) { |
39f9963f | 533 | // check that there are enough bytes left for the data header |
18882b3b | 534 | if (position + sizeof(AliRawDataHeader) > end) { |
535 | result |= kErrNoDataHeader; | |
39f9963f | 536 | position = end; |
18882b3b | 537 | continue; |
538 | } | |
539 | ||
540 | // check consistency of data size in the data header and in the sub event | |
541 | AliRawDataHeader* header = (AliRawDataHeader*) position; | |
299738b9 | 542 | if ((position + header->fSize) != end) { |
806e573c | 543 | if (header->fSize != 0xFFFFFFFF) |
544 | Warning("ReadHeader", | |
34576417 | 545 | "raw data size found in the header is wrong (%d != %ld)! Using the equipment size instead !", |
806e573c | 546 | header->fSize, end - position); |
299738b9 | 547 | header->fSize = end - position; |
548 | result |= kErrSize; | |
39f9963f | 549 | } |
be50fca2 | 550 | } |
18882b3b | 551 | position = end; |
b4857df7 | 552 | }; |
553 | ||
b4857df7 | 554 | return 0; |
555 | } | |
b900a426 | 556 | |
557 | AliRawReader* AliRawReaderDate::CloneSingleEvent() const | |
558 | { | |
559 | // Clones the current event and | |
560 | // creates raw-reader for the cloned event | |
561 | // Can be used in order to make asynchronious | |
562 | // access to the current raw data within | |
563 | // several threads (online event display/reco) | |
564 | ||
b900a426 | 565 | if (fEvent) { |
566 | UInt_t evSize = fEvent->eventSize; | |
567 | if (evSize) { | |
568 | UChar_t *newEvent = new UChar_t[evSize]; | |
569 | memcpy(newEvent,fEvent,evSize); | |
d87c6cb8 | 570 | return new AliRawReaderDate((void *)newEvent,kTRUE); |
b900a426 | 571 | } |
572 | } | |
b900a426 | 573 | return NULL; |
574 | } |