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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" | |
28 | #ifdef ALI_DATE | |
29 | #include "event.h" | |
30 | #endif | |
31 | ||
32 | ClassImp(AliRawReaderDate) | |
33 | ||
34 | ||
35 | AliRawReaderDate::AliRawReaderDate( | |
36 | #ifdef ALI_DATE | |
37 | void* event | |
38 | #else | |
39 | void* /* event */ | |
40 | #endif | |
c946ab02 | 41 | ) : |
dd9a70fe | 42 | fFile(NULL), |
c946ab02 | 43 | fEvent(NULL), |
44 | fSubEvent(NULL), | |
45 | fEquipment(NULL), | |
c946ab02 | 46 | fPosition(NULL), |
47 | fEnd(NULL) | |
16048fcf | 48 | { |
49 | // create an object to read digits from the given date event | |
50 | ||
51 | #ifdef ALI_DATE | |
52 | fEvent = (eventHeaderStruct*) event; | |
c946ab02 | 53 | #else |
54 | Fatal("AliRawReaderDate", "this class was compiled without DATE"); | |
55 | #endif | |
56 | } | |
57 | ||
58 | AliRawReaderDate::AliRawReaderDate( | |
59 | #ifdef ALI_DATE | |
60 | const char* fileName, Int_t eventNumber | |
61 | #else | |
62 | const char* /*fileName*/, | |
63 | Int_t /*eventNumber*/ | |
64 | #endif | |
65 | ) : | |
dd9a70fe | 66 | fFile(NULL), |
c946ab02 | 67 | fEvent(NULL), |
68 | fSubEvent(NULL), | |
69 | fEquipment(NULL), | |
c946ab02 | 70 | fPosition(NULL), |
71 | fEnd(NULL) | |
72 | { | |
73 | // create an object to read digits from the given date event | |
74 | ||
75 | #ifdef ALI_DATE | |
dd9a70fe | 76 | fFile = fopen(fileName, "rb"); |
77 | if (!fFile) { | |
c946ab02 | 78 | Error("AliRawReaderDate", "could not open file %s", fileName); |
79 | return; | |
80 | } | |
dd9a70fe | 81 | if (eventNumber < 0) return; |
82 | ||
c946ab02 | 83 | eventHeaderStruct header; |
84 | UInt_t headerSize = sizeof(eventHeaderStruct); | |
dd9a70fe | 85 | while (fread(&header, 1, headerSize, fFile) == headerSize) { |
c946ab02 | 86 | if (eventNumber == 0) { |
87 | UChar_t* buffer = new UChar_t[header.eventSize]; | |
b91d160c | 88 | fseek(fFile, -(long)headerSize, SEEK_CUR); |
dd9a70fe | 89 | if (fread(buffer, 1, header.eventSize, fFile) != header.eventSize) break; |
c946ab02 | 90 | fEvent = (eventHeaderStruct*) buffer; |
c946ab02 | 91 | break; |
92 | } | |
dd9a70fe | 93 | fseek(fFile, header.eventSize-headerSize, SEEK_CUR); |
c946ab02 | 94 | eventNumber--; |
95 | } | |
c946ab02 | 96 | |
16048fcf | 97 | #else |
98 | Fatal("AliRawReaderDate", "this class was compiled without DATE"); | |
99 | #endif | |
100 | } | |
101 | ||
102 | AliRawReaderDate::AliRawReaderDate(const AliRawReaderDate& rawReader) : | |
c946ab02 | 103 | AliRawReader(rawReader), |
dd9a70fe | 104 | fFile(rawReader.fFile), |
c946ab02 | 105 | fEvent(rawReader.fEvent), |
106 | fSubEvent(rawReader.fSubEvent), | |
107 | fEquipment(rawReader.fEquipment), | |
c946ab02 | 108 | fPosition(rawReader.fPosition), |
109 | fEnd(rawReader.fEnd) | |
110 | ||
16048fcf | 111 | { |
112 | // copy constructor | |
113 | ||
dd9a70fe | 114 | Fatal("AliRawReaderDate", "copy constructor not implemented"); |
16048fcf | 115 | } |
116 | ||
117 | AliRawReaderDate& AliRawReaderDate::operator = (const AliRawReaderDate& | |
dd9a70fe | 118 | /*rawReader*/) |
16048fcf | 119 | { |
120 | // assignment operator | |
121 | ||
dd9a70fe | 122 | Fatal("operator =", "assignment operator not implemented"); |
16048fcf | 123 | return *this; |
124 | } | |
125 | ||
c946ab02 | 126 | AliRawReaderDate::~AliRawReaderDate() |
127 | { | |
128 | // destructor | |
129 | ||
130 | #ifdef ALI_DATE | |
dd9a70fe | 131 | if (fFile) { |
132 | delete[] fEvent; | |
133 | fclose(fFile); | |
134 | } | |
c946ab02 | 135 | #endif |
136 | } | |
137 | ||
16048fcf | 138 | |
139 | UInt_t AliRawReaderDate::GetType() const | |
140 | { | |
141 | // get the type from the event header | |
142 | ||
143 | #ifdef ALI_DATE | |
144 | if (!fEvent) return 0; | |
145 | return fEvent->eventType; | |
146 | #else | |
147 | return 0; | |
148 | #endif | |
149 | } | |
150 | ||
151 | UInt_t AliRawReaderDate::GetRunNumber() const | |
152 | { | |
153 | // get the run number from the event header | |
154 | ||
155 | #ifdef ALI_DATE | |
156 | if (!fEvent) return 0; | |
157 | return fEvent->eventRunNb; | |
158 | #else | |
159 | return 0; | |
160 | #endif | |
161 | } | |
162 | ||
163 | const UInt_t* AliRawReaderDate::GetEventId() const | |
164 | { | |
165 | // get the event id from the event header | |
166 | ||
167 | #ifdef ALI_DATE | |
168 | if (!fEvent) return NULL; | |
169 | return fEvent->eventId; | |
170 | #else | |
171 | return NULL; | |
172 | #endif | |
173 | } | |
174 | ||
175 | const UInt_t* AliRawReaderDate::GetTriggerPattern() const | |
176 | { | |
177 | // get the trigger pattern from the event header | |
178 | ||
179 | #ifdef ALI_DATE | |
180 | if (!fEvent) return NULL; | |
181 | return fEvent->eventTriggerPattern; | |
182 | #else | |
183 | return NULL; | |
184 | #endif | |
185 | } | |
186 | ||
187 | const UInt_t* AliRawReaderDate::GetDetectorPattern() const | |
188 | { | |
189 | // get the detector pattern from the event header | |
190 | ||
191 | #ifdef ALI_DATE | |
192 | if (!fEvent) return NULL; | |
193 | return fEvent->eventDetectorPattern; | |
194 | #else | |
195 | return NULL; | |
196 | #endif | |
197 | } | |
198 | ||
199 | const UInt_t* AliRawReaderDate::GetAttributes() const | |
200 | { | |
201 | // get the type attributes from the event header | |
202 | ||
203 | #ifdef ALI_DATE | |
204 | if (!fEvent) return NULL; | |
205 | return fEvent->eventTypeAttribute; | |
206 | #else | |
207 | return NULL; | |
208 | #endif | |
209 | } | |
210 | ||
e94ad92c | 211 | const UInt_t* AliRawReaderDate::GetSubEventAttributes() const |
212 | { | |
213 | // get the type attributes from the sub event header | |
214 | ||
215 | #ifdef ALI_DATE | |
216 | if (!fSubEvent) return NULL; | |
217 | return fSubEvent->eventTypeAttribute; | |
218 | #else | |
219 | return NULL; | |
220 | #endif | |
221 | } | |
222 | ||
c946ab02 | 223 | UInt_t AliRawReaderDate::GetLDCId() const |
224 | { | |
225 | // get the LDC Id from the event header | |
226 | ||
227 | #ifdef ALI_DATE | |
228 | if (!fSubEvent) return 0; | |
229 | return fSubEvent->eventLdcId; | |
230 | #else | |
231 | return 0; | |
232 | #endif | |
233 | } | |
234 | ||
16048fcf | 235 | UInt_t AliRawReaderDate::GetGDCId() const |
236 | { | |
237 | // get the GDC Id from the event header | |
238 | ||
239 | #ifdef ALI_DATE | |
240 | if (!fEvent) return 0; | |
241 | return fEvent->eventGdcId; | |
242 | #else | |
243 | return 0; | |
244 | #endif | |
245 | } | |
246 | ||
741c154c | 247 | UInt_t AliRawReaderDate::GetTimestamp() const |
248 | { | |
249 | // get the timestamp from the event header | |
250 | ||
251 | #ifdef ALI_DATE | |
252 | if (!fEvent) return 0; | |
253 | return fEvent->eventTimestamp; | |
254 | #else | |
255 | return 0; | |
256 | #endif | |
257 | } | |
16048fcf | 258 | |
c946ab02 | 259 | Int_t AliRawReaderDate::GetEquipmentSize() const |
260 | { | |
299738b9 | 261 | // get the size of the equipment (including the header) |
c946ab02 | 262 | |
263 | #ifdef ALI_DATE | |
264 | if (!fEquipment) return 0; | |
87db01b0 | 265 | if (fSubEvent->eventVersion <= 0x00030001) { |
299738b9 | 266 | return fEquipment->equipmentSize + sizeof(equipmentHeaderStruct); |
87db01b0 | 267 | } else { |
299738b9 | 268 | return fEquipment->equipmentSize; |
87db01b0 | 269 | } |
c946ab02 | 270 | #else |
271 | return 0; | |
272 | #endif | |
273 | } | |
274 | ||
275 | Int_t AliRawReaderDate::GetEquipmentType() const | |
276 | { | |
277 | // get the type from the equipment header | |
278 | ||
279 | #ifdef ALI_DATE | |
280 | if (!fEquipment) return -1; | |
281 | return fEquipment->equipmentType; | |
282 | #else | |
283 | return 0; | |
284 | #endif | |
285 | } | |
286 | ||
287 | Int_t AliRawReaderDate::GetEquipmentId() const | |
288 | { | |
289 | // get the ID from the equipment header | |
290 | ||
291 | #ifdef ALI_DATE | |
292 | if (!fEquipment) return -1; | |
293 | return fEquipment->equipmentId; | |
294 | #else | |
295 | return 0; | |
296 | #endif | |
297 | } | |
298 | ||
299 | const UInt_t* AliRawReaderDate::GetEquipmentAttributes() const | |
300 | { | |
301 | // get the attributes from the equipment header | |
302 | ||
303 | #ifdef ALI_DATE | |
304 | if (!fEquipment) return NULL; | |
305 | return fEquipment->equipmentTypeAttribute; | |
306 | #else | |
307 | return 0; | |
308 | #endif | |
309 | } | |
310 | ||
311 | Int_t AliRawReaderDate::GetEquipmentElementSize() const | |
312 | { | |
313 | // get the basic element size from the equipment header | |
314 | ||
315 | #ifdef ALI_DATE | |
316 | if (!fEquipment) return 0; | |
317 | return fEquipment->equipmentBasicElementSize; | |
318 | #else | |
319 | return 0; | |
320 | #endif | |
321 | } | |
322 | ||
299738b9 | 323 | Int_t AliRawReaderDate::GetEquipmentHeaderSize() const |
324 | { | |
325 | // Get the equipment header size | |
326 | // 28 bytes by default | |
327 | #ifdef ALI_DATE | |
328 | return sizeof(equipmentHeaderStruct); | |
329 | #else | |
330 | return 0; | |
331 | #endif | |
332 | } | |
c946ab02 | 333 | |
334 | Bool_t AliRawReaderDate::ReadHeader() | |
16048fcf | 335 | { |
39f9963f | 336 | // read a data header at the current position |
337 | // returns kFALSE if the data header could not be read | |
16048fcf | 338 | |
b4857df7 | 339 | fErrorCode = 0; |
340 | ||
16048fcf | 341 | #ifdef ALI_DATE |
921a8308 | 342 | fHeader = NULL; |
16048fcf | 343 | if (!fEvent) return kFALSE; |
b4857df7 | 344 | // check whether there are sub events |
345 | if (fEvent->eventSize <= fEvent->eventHeadSize) return kFALSE; | |
346 | ||
16048fcf | 347 | do { |
b4857df7 | 348 | // skip payload (if event was not selected) |
349 | if (fCount > 0) fPosition += fCount; | |
350 | ||
c946ab02 | 351 | // get the first or the next equipment if at the end of an equipment |
352 | if (!fEquipment || (fPosition >= fEnd)) { | |
921a8308 | 353 | fEquipment = NULL; |
c946ab02 | 354 | |
355 | // get the first or the next sub event if at the end of a sub event | |
356 | if (!fSubEvent || | |
357 | (fPosition >= ((UChar_t*)fSubEvent) + fSubEvent->eventSize)) { | |
358 | ||
359 | // check for end of event data | |
360 | if (fPosition >= ((UChar_t*)fEvent)+fEvent->eventSize) return kFALSE; | |
5ba96ac1 | 361 | if (!TEST_SYSTEM_ATTRIBUTE(fEvent->eventTypeAttribute, |
362 | ATTR_SUPER_EVENT)) { | |
363 | fSubEvent = fEvent; // no super event | |
364 | } else if (fSubEvent) { | |
c946ab02 | 365 | fSubEvent = (eventHeaderStruct*) (((UChar_t*)fSubEvent) + |
366 | fSubEvent->eventSize); | |
367 | } else { | |
368 | fSubEvent = (eventHeaderStruct*) (((UChar_t*)fEvent) + | |
369 | fEvent->eventHeadSize); | |
370 | } | |
371 | ||
372 | // check the magic word of the sub event | |
373 | if (fSubEvent->eventMagic != EVENT_MAGIC_NUMBER) { | |
374 | Error("ReadHeader", "wrong magic number in sub event!\n" | |
375 | " run: %d event: %d %d LDC: %d GDC: %d\n", | |
376 | fSubEvent->eventRunNb, | |
377 | fSubEvent->eventId[0], fSubEvent->eventId[1], | |
378 | fSubEvent->eventLdcId, fSubEvent->eventGdcId); | |
379 | fErrorCode = kErrMagic; | |
380 | return kFALSE; | |
381 | } | |
382 | ||
921a8308 | 383 | // continue if no data in the subevent |
384 | if (fSubEvent->eventSize == fSubEvent->eventHeadSize) { | |
385 | fPosition = fEnd = ((UChar_t*)fSubEvent) + fSubEvent->eventSize; | |
386 | fCount = 0; | |
387 | continue; | |
388 | } | |
389 | ||
c946ab02 | 390 | fEquipment = (equipmentHeaderStruct*) |
391 | (((UChar_t*)fSubEvent) + fSubEvent->eventHeadSize); | |
b4857df7 | 392 | |
16048fcf | 393 | } else { |
c946ab02 | 394 | fEquipment = (equipmentHeaderStruct*) fEnd; |
b4857df7 | 395 | } |
396 | ||
16048fcf | 397 | fCount = 0; |
c946ab02 | 398 | fPosition = ((UChar_t*)fEquipment) + sizeof(equipmentHeaderStruct); |
87db01b0 | 399 | if (fSubEvent->eventVersion <= 0x00030001) { |
921a8308 | 400 | fEnd = fPosition + fEquipment->equipmentSize; |
401 | } else { | |
402 | fEnd = ((UChar_t*)fEquipment) + fEquipment->equipmentSize; | |
403 | } | |
16048fcf | 404 | } |
b4857df7 | 405 | |
406 | // continue with the next sub event if no data left in the payload | |
407 | if (fPosition >= fEnd) continue; | |
408 | ||
39f9963f | 409 | if (fRequireHeader) { |
410 | // check that there are enough bytes left for the data header | |
411 | if (fPosition + sizeof(AliRawDataHeader) > fEnd) { | |
412 | Error("ReadHeader", "could not read data header data!"); | |
c946ab02 | 413 | Warning("ReadHeader", "skipping %d bytes\n" |
414 | " run: %d event: %d %d LDC: %d GDC: %d\n", | |
415 | fEnd - fPosition, fSubEvent->eventRunNb, | |
416 | fSubEvent->eventId[0], fSubEvent->eventId[1], | |
417 | fSubEvent->eventLdcId, fSubEvent->eventGdcId); | |
418 | fCount = 0; | |
419 | fPosition = fEnd; | |
39f9963f | 420 | fErrorCode = kErrNoDataHeader; |
c946ab02 | 421 | continue; |
422 | } | |
b4857df7 | 423 | |
39f9963f | 424 | // "read" the data header |
425 | fHeader = (AliRawDataHeader*) fPosition; | |
299738b9 | 426 | if ((fPosition + fHeader->fSize) != fEnd) { |
806e573c | 427 | if (fHeader->fSize != 0xFFFFFFFF) |
428 | Warning("ReadHeader", | |
429 | "raw data size found in the header is wrong (%d != %d)! Using the equipment size instead !", | |
430 | fHeader->fSize, fEnd - fPosition); | |
299738b9 | 431 | fHeader->fSize = fEnd - fPosition; |
432 | } | |
39f9963f | 433 | fPosition += sizeof(AliRawDataHeader); |
72dd1d4f | 434 | } |
c946ab02 | 435 | |
39f9963f | 436 | if (fHeader && (fHeader->fSize != 0xFFFFFFFF)) { |
437 | fCount = fHeader->fSize - sizeof(AliRawDataHeader); | |
c946ab02 | 438 | |
39f9963f | 439 | // check consistency of data size in the header and in the sub event |
c946ab02 | 440 | if (fPosition + fCount > fEnd) { |
39f9963f | 441 | Error("ReadHeader", "size in data header exceeds event size!"); |
c946ab02 | 442 | Warning("ReadHeader", "skipping %d bytes\n" |
443 | " run: %d event: %d %d LDC: %d GDC: %d\n", | |
444 | fEnd - fPosition, fSubEvent->eventRunNb, | |
445 | fSubEvent->eventId[0], fSubEvent->eventId[1], | |
446 | fSubEvent->eventLdcId, fSubEvent->eventGdcId); | |
447 | fCount = 0; | |
448 | fPosition = fEnd; | |
449 | fErrorCode = kErrSize; | |
450 | continue; | |
451 | } | |
452 | ||
453 | } else { | |
454 | fCount = fEnd - fPosition; | |
16048fcf | 455 | } |
b4857df7 | 456 | |
921a8308 | 457 | } while (!fEquipment || !IsSelected()); |
b4857df7 | 458 | |
16048fcf | 459 | return kTRUE; |
460 | #else | |
461 | return kFALSE; | |
462 | #endif | |
463 | } | |
464 | ||
465 | Bool_t AliRawReaderDate::ReadNextData(UChar_t*& data) | |
466 | { | |
467 | // reads the next payload at the current position | |
468 | // returns kFALSE if the data could not be read | |
469 | ||
b4857df7 | 470 | fErrorCode = 0; |
16048fcf | 471 | while (fCount == 0) { |
c946ab02 | 472 | if (!ReadHeader()) return kFALSE; |
16048fcf | 473 | } |
474 | data = fPosition; | |
475 | fPosition += fCount; | |
476 | fCount = 0; | |
477 | return kTRUE; | |
478 | } | |
479 | ||
480 | Bool_t AliRawReaderDate::ReadNext(UChar_t* data, Int_t size) | |
481 | { | |
482 | // reads the next block of data at the current position | |
483 | // returns kFALSE if the data could not be read | |
484 | ||
b4857df7 | 485 | fErrorCode = 0; |
16048fcf | 486 | if (fPosition + size > fEnd) { |
487 | Error("ReadNext", "could not read data!"); | |
b4857df7 | 488 | fErrorCode = kErrOutOfBounds; |
16048fcf | 489 | return kFALSE; |
490 | } | |
491 | memcpy(data, fPosition, size); | |
492 | fPosition += size; | |
493 | fCount -= size; | |
494 | return kTRUE; | |
495 | } | |
496 | ||
497 | ||
498 | Bool_t AliRawReaderDate::Reset() | |
499 | { | |
500 | // reset the current position to the beginning of the event | |
501 | ||
502 | #ifdef ALI_DATE | |
503 | fSubEvent = NULL; | |
d7aa1c7c | 504 | fEquipment = NULL; |
16048fcf | 505 | #endif |
506 | fCount = 0; | |
507 | fPosition = fEnd = NULL; | |
508 | return kTRUE; | |
509 | } | |
b4857df7 | 510 | |
511 | ||
dd9a70fe | 512 | Bool_t AliRawReaderDate::NextEvent() |
513 | { | |
514 | // go to the next event in the date file | |
515 | ||
5bec8712 | 516 | #ifdef ALI_DATE |
b04576f7 | 517 | if (!fFile) { |
518 | if (fEventNumber < 0 && fEvent) { | |
519 | fEventNumber++; | |
520 | return kTRUE; | |
521 | } | |
522 | else | |
523 | return kFALSE; | |
524 | } | |
dd9a70fe | 525 | |
d7aa1c7c | 526 | Reset(); |
dd9a70fe | 527 | eventHeaderStruct header; |
528 | UInt_t headerSize = sizeof(eventHeaderStruct); | |
529 | if (fEvent) delete[] fEvent; | |
530 | fEvent = &header; | |
531 | ||
532 | while (fread(&header, 1, headerSize, fFile) == headerSize) { | |
533 | if (!IsEventSelected()) { | |
534 | fseek(fFile, header.eventSize-headerSize, SEEK_CUR); | |
535 | continue; | |
536 | } | |
537 | UChar_t* buffer = new UChar_t[header.eventSize]; | |
b91d160c | 538 | fseek(fFile, -(long)headerSize, SEEK_CUR); |
dd9a70fe | 539 | if (fread(buffer, 1, header.eventSize, fFile) != header.eventSize) { |
540 | Error("NextEvent", "could not read event from file"); | |
541 | delete[] buffer; | |
542 | break; | |
543 | } | |
544 | fEvent = (eventHeaderStruct*) buffer; | |
38cf12f3 | 545 | fEventNumber++; |
dd9a70fe | 546 | return kTRUE; |
547 | }; | |
548 | ||
549 | fEvent = NULL; | |
bba5b21b | 550 | #endif |
5bec8712 | 551 | |
dd9a70fe | 552 | return kFALSE; |
553 | } | |
554 | ||
555 | Bool_t AliRawReaderDate::RewindEvents() | |
556 | { | |
557 | // go back to the beginning of the date file | |
558 | ||
b04576f7 | 559 | if (fFile) |
560 | fseek(fFile, 0, SEEK_SET); | |
dd9a70fe | 561 | |
38cf12f3 | 562 | fEventNumber = -1; |
dd9a70fe | 563 | return Reset(); |
564 | } | |
565 | ||
566 | ||
b4857df7 | 567 | Int_t AliRawReaderDate::CheckData() const |
568 | { | |
569 | // check the consistency of the data | |
570 | ||
571 | #ifdef ALI_DATE | |
572 | if (!fEvent) return 0; | |
573 | // check whether there are sub events | |
574 | if (fEvent->eventSize <= fEvent->eventHeadSize) return 0; | |
575 | ||
576 | eventHeaderStruct* subEvent = NULL; | |
577 | UChar_t* position = 0; | |
578 | UChar_t* end = 0; | |
be50fca2 | 579 | Int_t result = 0; |
b4857df7 | 580 | |
581 | while (kTRUE) { | |
582 | // get the first or the next sub event if at the end of a sub event | |
583 | if (!subEvent || (position >= end)) { | |
584 | ||
585 | // check for end of event data | |
be50fca2 | 586 | if (position >= ((UChar_t*)fEvent)+fEvent->eventSize) return result; |
5ba96ac1 | 587 | if (!TEST_SYSTEM_ATTRIBUTE(fEvent->eventTypeAttribute, |
588 | ATTR_SUPER_EVENT)) { | |
589 | subEvent = fEvent; // no super event | |
590 | } else if (subEvent) { | |
b4857df7 | 591 | subEvent = (eventHeaderStruct*) (((UChar_t*)subEvent) + |
592 | subEvent->eventSize); | |
593 | } else { | |
594 | subEvent = (eventHeaderStruct*) (((UChar_t*)fEvent) + | |
595 | fEvent->eventHeadSize); | |
596 | } | |
597 | ||
598 | // check the magic word of the sub event | |
be50fca2 | 599 | if (subEvent->eventMagic != EVENT_MAGIC_NUMBER) { |
600 | result |= kErrMagic; | |
601 | return result; | |
602 | } | |
b4857df7 | 603 | |
604 | position = ((UChar_t*)subEvent) + subEvent->eventHeadSize + | |
605 | sizeof(equipmentHeaderStruct); | |
606 | end = ((UChar_t*)subEvent) + subEvent->eventSize; | |
607 | } | |
608 | ||
609 | // continue with the next sub event if no data left in the payload | |
610 | if (position >= end) continue; | |
611 | ||
18882b3b | 612 | if (fRequireHeader) { |
39f9963f | 613 | // check that there are enough bytes left for the data header |
18882b3b | 614 | if (position + sizeof(AliRawDataHeader) > end) { |
615 | result |= kErrNoDataHeader; | |
39f9963f | 616 | position = end; |
18882b3b | 617 | continue; |
618 | } | |
619 | ||
620 | // check consistency of data size in the data header and in the sub event | |
621 | AliRawDataHeader* header = (AliRawDataHeader*) position; | |
299738b9 | 622 | if ((position + header->fSize) != end) { |
806e573c | 623 | if (header->fSize != 0xFFFFFFFF) |
624 | Warning("ReadHeader", | |
625 | "raw data size found in the header is wrong (%d != %d)! Using the equipment size instead !", | |
626 | header->fSize, end - position); | |
299738b9 | 627 | header->fSize = end - position; |
628 | result |= kErrSize; | |
39f9963f | 629 | } |
be50fca2 | 630 | } |
18882b3b | 631 | position = end; |
b4857df7 | 632 | }; |
633 | ||
634 | #endif | |
635 | return 0; | |
636 | } |