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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 | |
d87c6cb8 | 37 | void* event, Bool_t owner |
16048fcf | 38 | #else |
d87c6cb8 | 39 | void* /* event */, Bool_t owner |
16048fcf | 40 | #endif |
c946ab02 | 41 | ) : |
dd9a70fe | 42 | fFile(NULL), |
c946ab02 | 43 | fEvent(NULL), |
44 | fSubEvent(NULL), | |
45 | fEquipment(NULL), | |
c946ab02 | 46 | fPosition(NULL), |
d87c6cb8 | 47 | fEnd(NULL), |
48 | fOwner(owner) | |
16048fcf | 49 | { |
50 | // create an object to read digits from the given date event | |
51 | ||
52 | #ifdef ALI_DATE | |
53 | fEvent = (eventHeaderStruct*) event; | |
c946ab02 | 54 | #else |
55 | Fatal("AliRawReaderDate", "this class was compiled without DATE"); | |
56 | #endif | |
57 | } | |
58 | ||
59 | AliRawReaderDate::AliRawReaderDate( | |
60 | #ifdef ALI_DATE | |
61 | const char* fileName, Int_t eventNumber | |
62 | #else | |
63 | const char* /*fileName*/, | |
64 | Int_t /*eventNumber*/ | |
65 | #endif | |
66 | ) : | |
dd9a70fe | 67 | fFile(NULL), |
c946ab02 | 68 | fEvent(NULL), |
69 | fSubEvent(NULL), | |
70 | fEquipment(NULL), | |
c946ab02 | 71 | fPosition(NULL), |
d87c6cb8 | 72 | fEnd(NULL), |
73 | fOwner(kTRUE) | |
c946ab02 | 74 | { |
75 | // create an object to read digits from the given date event | |
76 | ||
77 | #ifdef ALI_DATE | |
dd9a70fe | 78 | fFile = fopen(fileName, "rb"); |
79 | if (!fFile) { | |
c946ab02 | 80 | Error("AliRawReaderDate", "could not open file %s", fileName); |
a97af23d | 81 | fIsValid = kFALSE; |
c946ab02 | 82 | return; |
83 | } | |
dd9a70fe | 84 | if (eventNumber < 0) return; |
85 | ||
c946ab02 | 86 | eventHeaderStruct header; |
87 | UInt_t headerSize = sizeof(eventHeaderStruct); | |
dd9a70fe | 88 | while (fread(&header, 1, headerSize, fFile) == headerSize) { |
c946ab02 | 89 | if (eventNumber == 0) { |
90 | UChar_t* buffer = new UChar_t[header.eventSize]; | |
b91d160c | 91 | fseek(fFile, -(long)headerSize, SEEK_CUR); |
dd9a70fe | 92 | if (fread(buffer, 1, header.eventSize, fFile) != header.eventSize) break; |
c946ab02 | 93 | fEvent = (eventHeaderStruct*) buffer; |
c946ab02 | 94 | break; |
95 | } | |
dd9a70fe | 96 | fseek(fFile, header.eventSize-headerSize, SEEK_CUR); |
c946ab02 | 97 | eventNumber--; |
98 | } | |
c946ab02 | 99 | |
16048fcf | 100 | #else |
101 | Fatal("AliRawReaderDate", "this class was compiled without DATE"); | |
102 | #endif | |
103 | } | |
104 | ||
105 | AliRawReaderDate::AliRawReaderDate(const AliRawReaderDate& rawReader) : | |
c946ab02 | 106 | AliRawReader(rawReader), |
dd9a70fe | 107 | fFile(rawReader.fFile), |
c946ab02 | 108 | fEvent(rawReader.fEvent), |
109 | fSubEvent(rawReader.fSubEvent), | |
110 | fEquipment(rawReader.fEquipment), | |
c946ab02 | 111 | fPosition(rawReader.fPosition), |
d87c6cb8 | 112 | fEnd(rawReader.fEnd), |
113 | fOwner(rawReader.fOwner) | |
c946ab02 | 114 | |
16048fcf | 115 | { |
116 | // copy constructor | |
117 | ||
dd9a70fe | 118 | Fatal("AliRawReaderDate", "copy constructor not implemented"); |
16048fcf | 119 | } |
120 | ||
121 | AliRawReaderDate& AliRawReaderDate::operator = (const AliRawReaderDate& | |
dd9a70fe | 122 | /*rawReader*/) |
16048fcf | 123 | { |
124 | // assignment operator | |
125 | ||
dd9a70fe | 126 | Fatal("operator =", "assignment operator not implemented"); |
16048fcf | 127 | return *this; |
128 | } | |
129 | ||
c946ab02 | 130 | AliRawReaderDate::~AliRawReaderDate() |
131 | { | |
132 | // destructor | |
133 | ||
134 | #ifdef ALI_DATE | |
d87c6cb8 | 135 | if (fEvent && fOwner) delete[] fEvent; |
dd9a70fe | 136 | if (fFile) { |
dd9a70fe | 137 | fclose(fFile); |
138 | } | |
c946ab02 | 139 | #endif |
140 | } | |
141 | ||
16048fcf | 142 | |
143 | UInt_t AliRawReaderDate::GetType() const | |
144 | { | |
145 | // get the type from the event header | |
146 | ||
147 | #ifdef ALI_DATE | |
148 | if (!fEvent) return 0; | |
149 | return fEvent->eventType; | |
150 | #else | |
151 | return 0; | |
152 | #endif | |
153 | } | |
154 | ||
155 | UInt_t AliRawReaderDate::GetRunNumber() const | |
156 | { | |
157 | // get the run number from the event header | |
158 | ||
159 | #ifdef ALI_DATE | |
160 | if (!fEvent) return 0; | |
161 | return fEvent->eventRunNb; | |
162 | #else | |
163 | return 0; | |
164 | #endif | |
165 | } | |
166 | ||
167 | const UInt_t* AliRawReaderDate::GetEventId() const | |
168 | { | |
169 | // get the event id from the event header | |
170 | ||
171 | #ifdef ALI_DATE | |
172 | if (!fEvent) return NULL; | |
173 | return fEvent->eventId; | |
174 | #else | |
175 | return NULL; | |
176 | #endif | |
177 | } | |
178 | ||
179 | const UInt_t* AliRawReaderDate::GetTriggerPattern() const | |
180 | { | |
181 | // get the trigger pattern from the event header | |
182 | ||
183 | #ifdef ALI_DATE | |
184 | if (!fEvent) return NULL; | |
185 | return fEvent->eventTriggerPattern; | |
186 | #else | |
187 | return NULL; | |
188 | #endif | |
189 | } | |
190 | ||
191 | const UInt_t* AliRawReaderDate::GetDetectorPattern() const | |
192 | { | |
193 | // get the detector pattern from the event header | |
194 | ||
195 | #ifdef ALI_DATE | |
196 | if (!fEvent) return NULL; | |
197 | return fEvent->eventDetectorPattern; | |
198 | #else | |
199 | return NULL; | |
200 | #endif | |
201 | } | |
202 | ||
203 | const UInt_t* AliRawReaderDate::GetAttributes() const | |
204 | { | |
205 | // get the type attributes from the event header | |
206 | ||
207 | #ifdef ALI_DATE | |
208 | if (!fEvent) return NULL; | |
209 | return fEvent->eventTypeAttribute; | |
210 | #else | |
211 | return NULL; | |
212 | #endif | |
213 | } | |
214 | ||
e94ad92c | 215 | const UInt_t* AliRawReaderDate::GetSubEventAttributes() const |
216 | { | |
217 | // get the type attributes from the sub event header | |
218 | ||
219 | #ifdef ALI_DATE | |
220 | if (!fSubEvent) return NULL; | |
221 | return fSubEvent->eventTypeAttribute; | |
222 | #else | |
223 | return NULL; | |
224 | #endif | |
225 | } | |
226 | ||
c946ab02 | 227 | UInt_t AliRawReaderDate::GetLDCId() const |
228 | { | |
229 | // get the LDC Id from the event header | |
230 | ||
231 | #ifdef ALI_DATE | |
232 | if (!fSubEvent) return 0; | |
233 | return fSubEvent->eventLdcId; | |
234 | #else | |
235 | return 0; | |
236 | #endif | |
237 | } | |
238 | ||
16048fcf | 239 | UInt_t AliRawReaderDate::GetGDCId() const |
240 | { | |
241 | // get the GDC Id from the event header | |
242 | ||
243 | #ifdef ALI_DATE | |
244 | if (!fEvent) return 0; | |
245 | return fEvent->eventGdcId; | |
246 | #else | |
247 | return 0; | |
248 | #endif | |
249 | } | |
250 | ||
741c154c | 251 | UInt_t AliRawReaderDate::GetTimestamp() const |
252 | { | |
253 | // get the timestamp from the event header | |
254 | ||
255 | #ifdef ALI_DATE | |
256 | if (!fEvent) return 0; | |
257 | return fEvent->eventTimestamp; | |
258 | #else | |
259 | return 0; | |
260 | #endif | |
261 | } | |
16048fcf | 262 | |
c946ab02 | 263 | Int_t AliRawReaderDate::GetEquipmentSize() const |
264 | { | |
299738b9 | 265 | // get the size of the equipment (including the header) |
c946ab02 | 266 | |
267 | #ifdef ALI_DATE | |
268 | if (!fEquipment) return 0; | |
87db01b0 | 269 | if (fSubEvent->eventVersion <= 0x00030001) { |
299738b9 | 270 | return fEquipment->equipmentSize + sizeof(equipmentHeaderStruct); |
87db01b0 | 271 | } else { |
299738b9 | 272 | return fEquipment->equipmentSize; |
87db01b0 | 273 | } |
c946ab02 | 274 | #else |
275 | return 0; | |
276 | #endif | |
277 | } | |
278 | ||
279 | Int_t AliRawReaderDate::GetEquipmentType() const | |
280 | { | |
281 | // get the type from the equipment header | |
282 | ||
283 | #ifdef ALI_DATE | |
284 | if (!fEquipment) return -1; | |
285 | return fEquipment->equipmentType; | |
286 | #else | |
287 | return 0; | |
288 | #endif | |
289 | } | |
290 | ||
291 | Int_t AliRawReaderDate::GetEquipmentId() const | |
292 | { | |
293 | // get the ID from the equipment header | |
294 | ||
295 | #ifdef ALI_DATE | |
296 | if (!fEquipment) return -1; | |
297 | return fEquipment->equipmentId; | |
298 | #else | |
299 | return 0; | |
300 | #endif | |
301 | } | |
302 | ||
303 | const UInt_t* AliRawReaderDate::GetEquipmentAttributes() const | |
304 | { | |
305 | // get the attributes from the equipment header | |
306 | ||
307 | #ifdef ALI_DATE | |
308 | if (!fEquipment) return NULL; | |
309 | return fEquipment->equipmentTypeAttribute; | |
310 | #else | |
311 | return 0; | |
312 | #endif | |
313 | } | |
314 | ||
315 | Int_t AliRawReaderDate::GetEquipmentElementSize() const | |
316 | { | |
317 | // get the basic element size from the equipment header | |
318 | ||
319 | #ifdef ALI_DATE | |
320 | if (!fEquipment) return 0; | |
321 | return fEquipment->equipmentBasicElementSize; | |
322 | #else | |
323 | return 0; | |
324 | #endif | |
325 | } | |
326 | ||
299738b9 | 327 | Int_t AliRawReaderDate::GetEquipmentHeaderSize() const |
328 | { | |
329 | // Get the equipment header size | |
330 | // 28 bytes by default | |
331 | #ifdef ALI_DATE | |
332 | return sizeof(equipmentHeaderStruct); | |
333 | #else | |
334 | return 0; | |
335 | #endif | |
336 | } | |
c946ab02 | 337 | |
338 | Bool_t AliRawReaderDate::ReadHeader() | |
16048fcf | 339 | { |
39f9963f | 340 | // read a data header at the current position |
341 | // returns kFALSE if the data header could not be read | |
16048fcf | 342 | |
b4857df7 | 343 | fErrorCode = 0; |
344 | ||
16048fcf | 345 | #ifdef ALI_DATE |
921a8308 | 346 | fHeader = NULL; |
16048fcf | 347 | if (!fEvent) return kFALSE; |
b4857df7 | 348 | // check whether there are sub events |
349 | if (fEvent->eventSize <= fEvent->eventHeadSize) return kFALSE; | |
350 | ||
16048fcf | 351 | do { |
b4857df7 | 352 | // skip payload (if event was not selected) |
353 | if (fCount > 0) fPosition += fCount; | |
354 | ||
c946ab02 | 355 | // get the first or the next equipment if at the end of an equipment |
356 | if (!fEquipment || (fPosition >= fEnd)) { | |
921a8308 | 357 | fEquipment = NULL; |
c946ab02 | 358 | |
359 | // get the first or the next sub event if at the end of a sub event | |
360 | if (!fSubEvent || | |
361 | (fPosition >= ((UChar_t*)fSubEvent) + fSubEvent->eventSize)) { | |
362 | ||
363 | // check for end of event data | |
364 | if (fPosition >= ((UChar_t*)fEvent)+fEvent->eventSize) return kFALSE; | |
5ba96ac1 | 365 | if (!TEST_SYSTEM_ATTRIBUTE(fEvent->eventTypeAttribute, |
366 | ATTR_SUPER_EVENT)) { | |
367 | fSubEvent = fEvent; // no super event | |
368 | } else if (fSubEvent) { | |
c946ab02 | 369 | fSubEvent = (eventHeaderStruct*) (((UChar_t*)fSubEvent) + |
370 | fSubEvent->eventSize); | |
371 | } else { | |
372 | fSubEvent = (eventHeaderStruct*) (((UChar_t*)fEvent) + | |
373 | fEvent->eventHeadSize); | |
374 | } | |
375 | ||
376 | // check the magic word of the sub event | |
377 | if (fSubEvent->eventMagic != EVENT_MAGIC_NUMBER) { | |
378 | Error("ReadHeader", "wrong magic number in sub event!\n" | |
379 | " run: %d event: %d %d LDC: %d GDC: %d\n", | |
380 | fSubEvent->eventRunNb, | |
381 | fSubEvent->eventId[0], fSubEvent->eventId[1], | |
382 | fSubEvent->eventLdcId, fSubEvent->eventGdcId); | |
383 | fErrorCode = kErrMagic; | |
384 | return kFALSE; | |
385 | } | |
386 | ||
921a8308 | 387 | // continue if no data in the subevent |
388 | if (fSubEvent->eventSize == fSubEvent->eventHeadSize) { | |
389 | fPosition = fEnd = ((UChar_t*)fSubEvent) + fSubEvent->eventSize; | |
390 | fCount = 0; | |
391 | continue; | |
392 | } | |
393 | ||
c946ab02 | 394 | fEquipment = (equipmentHeaderStruct*) |
395 | (((UChar_t*)fSubEvent) + fSubEvent->eventHeadSize); | |
b4857df7 | 396 | |
16048fcf | 397 | } else { |
c946ab02 | 398 | fEquipment = (equipmentHeaderStruct*) fEnd; |
b4857df7 | 399 | } |
400 | ||
16048fcf | 401 | fCount = 0; |
c946ab02 | 402 | fPosition = ((UChar_t*)fEquipment) + sizeof(equipmentHeaderStruct); |
87db01b0 | 403 | if (fSubEvent->eventVersion <= 0x00030001) { |
921a8308 | 404 | fEnd = fPosition + fEquipment->equipmentSize; |
405 | } else { | |
406 | fEnd = ((UChar_t*)fEquipment) + fEquipment->equipmentSize; | |
407 | } | |
16048fcf | 408 | } |
b4857df7 | 409 | |
410 | // continue with the next sub event if no data left in the payload | |
411 | if (fPosition >= fEnd) continue; | |
412 | ||
39f9963f | 413 | if (fRequireHeader) { |
414 | // check that there are enough bytes left for the data header | |
415 | if (fPosition + sizeof(AliRawDataHeader) > fEnd) { | |
416 | Error("ReadHeader", "could not read data header data!"); | |
c946ab02 | 417 | Warning("ReadHeader", "skipping %d bytes\n" |
418 | " run: %d event: %d %d LDC: %d GDC: %d\n", | |
419 | fEnd - fPosition, fSubEvent->eventRunNb, | |
420 | fSubEvent->eventId[0], fSubEvent->eventId[1], | |
421 | fSubEvent->eventLdcId, fSubEvent->eventGdcId); | |
422 | fCount = 0; | |
423 | fPosition = fEnd; | |
39f9963f | 424 | fErrorCode = kErrNoDataHeader; |
c946ab02 | 425 | continue; |
426 | } | |
b4857df7 | 427 | |
39f9963f | 428 | // "read" the data header |
429 | fHeader = (AliRawDataHeader*) fPosition; | |
299738b9 | 430 | if ((fPosition + fHeader->fSize) != fEnd) { |
da1241fd | 431 | if ((fHeader->fSize != 0xFFFFFFFF) && |
432 | (fEquipment->equipmentId != 4352)) | |
806e573c | 433 | Warning("ReadHeader", |
434 | "raw data size found in the header is wrong (%d != %d)! Using the equipment size instead !", | |
435 | fHeader->fSize, fEnd - fPosition); | |
299738b9 | 436 | fHeader->fSize = fEnd - fPosition; |
437 | } | |
39f9963f | 438 | fPosition += sizeof(AliRawDataHeader); |
72dd1d4f | 439 | } |
c946ab02 | 440 | |
39f9963f | 441 | if (fHeader && (fHeader->fSize != 0xFFFFFFFF)) { |
442 | fCount = fHeader->fSize - sizeof(AliRawDataHeader); | |
c946ab02 | 443 | |
39f9963f | 444 | // check consistency of data size in the header and in the sub event |
c946ab02 | 445 | if (fPosition + fCount > fEnd) { |
39f9963f | 446 | Error("ReadHeader", "size in data header exceeds event size!"); |
c946ab02 | 447 | Warning("ReadHeader", "skipping %d bytes\n" |
448 | " run: %d event: %d %d LDC: %d GDC: %d\n", | |
449 | fEnd - fPosition, fSubEvent->eventRunNb, | |
450 | fSubEvent->eventId[0], fSubEvent->eventId[1], | |
451 | fSubEvent->eventLdcId, fSubEvent->eventGdcId); | |
452 | fCount = 0; | |
453 | fPosition = fEnd; | |
454 | fErrorCode = kErrSize; | |
455 | continue; | |
456 | } | |
457 | ||
458 | } else { | |
459 | fCount = fEnd - fPosition; | |
16048fcf | 460 | } |
b4857df7 | 461 | |
921a8308 | 462 | } while (!fEquipment || !IsSelected()); |
b4857df7 | 463 | |
16048fcf | 464 | return kTRUE; |
465 | #else | |
466 | return kFALSE; | |
467 | #endif | |
468 | } | |
469 | ||
470 | Bool_t AliRawReaderDate::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; |
16048fcf | 476 | while (fCount == 0) { |
c946ab02 | 477 | if (!ReadHeader()) return kFALSE; |
16048fcf | 478 | } |
479 | data = fPosition; | |
480 | fPosition += fCount; | |
481 | fCount = 0; | |
482 | return kTRUE; | |
483 | } | |
484 | ||
485 | Bool_t AliRawReaderDate::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; |
16048fcf | 491 | if (fPosition + size > fEnd) { |
492 | Error("ReadNext", "could not read data!"); | |
b4857df7 | 493 | fErrorCode = kErrOutOfBounds; |
16048fcf | 494 | return kFALSE; |
495 | } | |
496 | memcpy(data, fPosition, size); | |
497 | fPosition += size; | |
498 | fCount -= size; | |
499 | return kTRUE; | |
500 | } | |
501 | ||
502 | ||
503 | Bool_t AliRawReaderDate::Reset() | |
504 | { | |
505 | // reset the current position to the beginning of the event | |
506 | ||
507 | #ifdef ALI_DATE | |
508 | fSubEvent = NULL; | |
d7aa1c7c | 509 | fEquipment = NULL; |
16048fcf | 510 | #endif |
511 | fCount = 0; | |
512 | fPosition = fEnd = NULL; | |
513 | return kTRUE; | |
514 | } | |
b4857df7 | 515 | |
516 | ||
dd9a70fe | 517 | Bool_t AliRawReaderDate::NextEvent() |
518 | { | |
519 | // go to the next event in the date file | |
520 | ||
5bec8712 | 521 | #ifdef ALI_DATE |
b04576f7 | 522 | if (!fFile) { |
523 | if (fEventNumber < 0 && fEvent) { | |
524 | fEventNumber++; | |
525 | return kTRUE; | |
526 | } | |
527 | else | |
528 | return kFALSE; | |
529 | } | |
dd9a70fe | 530 | |
d7aa1c7c | 531 | Reset(); |
dd9a70fe | 532 | eventHeaderStruct header; |
533 | UInt_t headerSize = sizeof(eventHeaderStruct); | |
534 | if (fEvent) delete[] fEvent; | |
535 | fEvent = &header; | |
536 | ||
537 | while (fread(&header, 1, headerSize, fFile) == headerSize) { | |
538 | if (!IsEventSelected()) { | |
539 | fseek(fFile, header.eventSize-headerSize, SEEK_CUR); | |
540 | continue; | |
541 | } | |
542 | UChar_t* buffer = new UChar_t[header.eventSize]; | |
b91d160c | 543 | fseek(fFile, -(long)headerSize, SEEK_CUR); |
dd9a70fe | 544 | if (fread(buffer, 1, header.eventSize, fFile) != header.eventSize) { |
545 | Error("NextEvent", "could not read event from file"); | |
546 | delete[] buffer; | |
547 | break; | |
548 | } | |
549 | fEvent = (eventHeaderStruct*) buffer; | |
38cf12f3 | 550 | fEventNumber++; |
dd9a70fe | 551 | return kTRUE; |
552 | }; | |
553 | ||
554 | fEvent = NULL; | |
bba5b21b | 555 | #endif |
5bec8712 | 556 | |
dd9a70fe | 557 | return kFALSE; |
558 | } | |
559 | ||
560 | Bool_t AliRawReaderDate::RewindEvents() | |
561 | { | |
562 | // go back to the beginning of the date file | |
563 | ||
b04576f7 | 564 | if (fFile) |
565 | fseek(fFile, 0, SEEK_SET); | |
dd9a70fe | 566 | |
38cf12f3 | 567 | fEventNumber = -1; |
dd9a70fe | 568 | return Reset(); |
569 | } | |
570 | ||
571 | ||
b4857df7 | 572 | Int_t AliRawReaderDate::CheckData() const |
573 | { | |
574 | // check the consistency of the data | |
575 | ||
576 | #ifdef ALI_DATE | |
577 | if (!fEvent) return 0; | |
578 | // check whether there are sub events | |
579 | if (fEvent->eventSize <= fEvent->eventHeadSize) return 0; | |
580 | ||
581 | eventHeaderStruct* subEvent = NULL; | |
582 | UChar_t* position = 0; | |
583 | UChar_t* end = 0; | |
be50fca2 | 584 | Int_t result = 0; |
b4857df7 | 585 | |
586 | while (kTRUE) { | |
587 | // get the first or the next sub event if at the end of a sub event | |
588 | if (!subEvent || (position >= end)) { | |
589 | ||
590 | // check for end of event data | |
be50fca2 | 591 | if (position >= ((UChar_t*)fEvent)+fEvent->eventSize) return result; |
5ba96ac1 | 592 | if (!TEST_SYSTEM_ATTRIBUTE(fEvent->eventTypeAttribute, |
593 | ATTR_SUPER_EVENT)) { | |
594 | subEvent = fEvent; // no super event | |
595 | } else if (subEvent) { | |
b4857df7 | 596 | subEvent = (eventHeaderStruct*) (((UChar_t*)subEvent) + |
597 | subEvent->eventSize); | |
598 | } else { | |
599 | subEvent = (eventHeaderStruct*) (((UChar_t*)fEvent) + | |
600 | fEvent->eventHeadSize); | |
601 | } | |
602 | ||
603 | // check the magic word of the sub event | |
be50fca2 | 604 | if (subEvent->eventMagic != EVENT_MAGIC_NUMBER) { |
605 | result |= kErrMagic; | |
606 | return result; | |
607 | } | |
b4857df7 | 608 | |
609 | position = ((UChar_t*)subEvent) + subEvent->eventHeadSize + | |
610 | sizeof(equipmentHeaderStruct); | |
611 | end = ((UChar_t*)subEvent) + subEvent->eventSize; | |
612 | } | |
613 | ||
614 | // continue with the next sub event if no data left in the payload | |
615 | if (position >= end) continue; | |
616 | ||
18882b3b | 617 | if (fRequireHeader) { |
39f9963f | 618 | // check that there are enough bytes left for the data header |
18882b3b | 619 | if (position + sizeof(AliRawDataHeader) > end) { |
620 | result |= kErrNoDataHeader; | |
39f9963f | 621 | position = end; |
18882b3b | 622 | continue; |
623 | } | |
624 | ||
625 | // check consistency of data size in the data header and in the sub event | |
626 | AliRawDataHeader* header = (AliRawDataHeader*) position; | |
299738b9 | 627 | if ((position + header->fSize) != end) { |
806e573c | 628 | if (header->fSize != 0xFFFFFFFF) |
629 | Warning("ReadHeader", | |
630 | "raw data size found in the header is wrong (%d != %d)! Using the equipment size instead !", | |
631 | header->fSize, end - position); | |
299738b9 | 632 | header->fSize = end - position; |
633 | result |= kErrSize; | |
39f9963f | 634 | } |
be50fca2 | 635 | } |
18882b3b | 636 | position = end; |
b4857df7 | 637 | }; |
638 | ||
639 | #endif | |
640 | return 0; | |
641 | } | |
b900a426 | 642 | |
643 | AliRawReader* AliRawReaderDate::CloneSingleEvent() const | |
644 | { | |
645 | // Clones the current event and | |
646 | // creates raw-reader for the cloned event | |
647 | // Can be used in order to make asynchronious | |
648 | // access to the current raw data within | |
649 | // several threads (online event display/reco) | |
650 | ||
651 | #ifdef ALI_DATE | |
652 | if (fEvent) { | |
653 | UInt_t evSize = fEvent->eventSize; | |
654 | if (evSize) { | |
655 | UChar_t *newEvent = new UChar_t[evSize]; | |
656 | memcpy(newEvent,fEvent,evSize); | |
d87c6cb8 | 657 | return new AliRawReaderDate((void *)newEvent,kTRUE); |
b900a426 | 658 | } |
659 | } | |
660 | #else | |
661 | Fatal("AliRawReaderDate", "this class was compiled without DATE"); | |
662 | #endif | |
663 | return NULL; | |
664 | } |