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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 | ||
9974f9d8 | 319 | switch (version) { |
320 | case 2: | |
321 | { | |
322 | if ((fPosition + fHeader->fSize) != fEnd) { | |
323 | if ((fHeader->fSize != 0xFFFFFFFF) && | |
324 | (fEquipment->equipmentId != 4352)) | |
325 | Warning("ReadHeader", | |
326 | "raw data size found in the header is wrong (%d != %ld)! Using the equipment size instead !", | |
327 | fHeader->fSize, fEnd - fPosition); | |
328 | fHeader->fSize = fEnd - fPosition; | |
329 | } | |
330 | fPosition += sizeof(AliRawDataHeader); | |
331 | fHeaderV3 = 0; | |
332 | break; | |
333 | } | |
334 | case 3: | |
335 | { | |
336 | fHeaderV3 = (AliRawDataHeaderV3*) fPosition; | |
337 | if ((fPosition + fHeaderV3->fSize) != fEnd) { | |
338 | if ((fHeaderV3->fSize != 0xFFFFFFFF) && | |
339 | (fEquipment->equipmentId != 4352)) | |
340 | Warning("ReadHeader", | |
341 | "raw data size found in the header is wrong (%d != %ld)! Using the equipment size instead !", | |
342 | fHeaderV3->fSize, fEnd - fPosition); | |
343 | fHeaderV3->fSize = fEnd - fPosition; | |
344 | } | |
345 | fPosition += sizeof(AliRawDataHeaderV3); | |
346 | fHeader = 0; | |
347 | break; | |
ba74320c | 348 | } |
9974f9d8 | 349 | default: |
350 | // We have got a version we don't know | |
351 | Error("ReadHeader", | |
352 | "version is neither 2 nor 3, we can't handle it (version found : %d). Jump to the end of the equipment",version); | |
353 | Warning("ReadHeader", | |
354 | " run: %d event: %d %d LDC: %d GDC: %d\n", | |
355 | fSubEvent->eventRunNb, | |
356 | fSubEvent->eventId[0], fSubEvent->eventId[1], | |
357 | fSubEvent->eventLdcId, fSubEvent->eventGdcId); | |
358 | ||
359 | fHeader = 0x0; | |
360 | fHeaderV3 = 0x0; | |
361 | fPosition = fEnd; | |
362 | continue; | |
299738b9 | 363 | } |
72dd1d4f | 364 | } |
39f9963f | 365 | if (fHeader && (fHeader->fSize != 0xFFFFFFFF)) { |
366 | fCount = fHeader->fSize - sizeof(AliRawDataHeader); | |
c946ab02 | 367 | |
39f9963f | 368 | // check consistency of data size in the header and in the sub event |
c946ab02 | 369 | if (fPosition + fCount > fEnd) { |
39f9963f | 370 | Error("ReadHeader", "size in data header exceeds event size!"); |
34576417 | 371 | Warning("ReadHeader", "skipping %ld bytes\n" |
c946ab02 | 372 | " run: %d event: %d %d LDC: %d GDC: %d\n", |
373 | fEnd - fPosition, fSubEvent->eventRunNb, | |
374 | fSubEvent->eventId[0], fSubEvent->eventId[1], | |
375 | fSubEvent->eventLdcId, fSubEvent->eventGdcId); | |
376 | fCount = 0; | |
377 | fPosition = fEnd; | |
378 | fErrorCode = kErrSize; | |
379 | continue; | |
380 | } | |
381 | ||
ba74320c | 382 | } else if (fHeaderV3 && (fHeaderV3->fSize != 0xFFFFFFFF)) { |
383 | fCount = fHeaderV3->fSize - sizeof(AliRawDataHeaderV3); | |
384 | ||
385 | // check consistency of data size in the header and in the sub event | |
386 | if (fPosition + fCount > fEnd) { | |
387 | Error("ReadHeader", "size in data header exceeds event size!"); | |
34576417 | 388 | Warning("ReadHeader", "skipping %ld bytes\n" |
ba74320c | 389 | " run: %d event: %d %d LDC: %d GDC: %d\n", |
390 | fEnd - fPosition, fSubEvent->eventRunNb, | |
391 | fSubEvent->eventId[0], fSubEvent->eventId[1], | |
392 | fSubEvent->eventLdcId, fSubEvent->eventGdcId); | |
393 | fCount = 0; | |
394 | fPosition = fEnd; | |
395 | fErrorCode = kErrSize; | |
396 | continue; | |
397 | } | |
398 | ||
c946ab02 | 399 | } else { |
400 | fCount = fEnd - fPosition; | |
16048fcf | 401 | } |
b4857df7 | 402 | |
921a8308 | 403 | } while (!fEquipment || !IsSelected()); |
b4857df7 | 404 | |
16048fcf | 405 | return kTRUE; |
16048fcf | 406 | } |
407 | ||
408 | Bool_t AliRawReaderDate::ReadNextData(UChar_t*& data) | |
409 | { | |
410 | // reads the next payload at the current position | |
411 | // returns kFALSE if the data could not be read | |
412 | ||
b4857df7 | 413 | fErrorCode = 0; |
16048fcf | 414 | while (fCount == 0) { |
c946ab02 | 415 | if (!ReadHeader()) return kFALSE; |
16048fcf | 416 | } |
417 | data = fPosition; | |
418 | fPosition += fCount; | |
419 | fCount = 0; | |
420 | return kTRUE; | |
421 | } | |
422 | ||
423 | Bool_t AliRawReaderDate::ReadNext(UChar_t* data, Int_t size) | |
424 | { | |
425 | // reads the next block of data at the current position | |
426 | // returns kFALSE if the data could not be read | |
427 | ||
b4857df7 | 428 | fErrorCode = 0; |
16048fcf | 429 | if (fPosition + size > fEnd) { |
430 | Error("ReadNext", "could not read data!"); | |
b4857df7 | 431 | fErrorCode = kErrOutOfBounds; |
16048fcf | 432 | return kFALSE; |
433 | } | |
434 | memcpy(data, fPosition, size); | |
435 | fPosition += size; | |
436 | fCount -= size; | |
437 | return kTRUE; | |
438 | } | |
439 | ||
440 | ||
441 | Bool_t AliRawReaderDate::Reset() | |
442 | { | |
443 | // reset the current position to the beginning of the event | |
444 | ||
16048fcf | 445 | fSubEvent = NULL; |
d7aa1c7c | 446 | fEquipment = NULL; |
16048fcf | 447 | fCount = 0; |
448 | fPosition = fEnd = NULL; | |
ba74320c | 449 | fHeader=NULL; |
450 | fHeaderV3=NULL; | |
16048fcf | 451 | return kTRUE; |
452 | } | |
b4857df7 | 453 | |
454 | ||
dd9a70fe | 455 | Bool_t AliRawReaderDate::NextEvent() |
456 | { | |
457 | // go to the next event in the date file | |
458 | ||
b04576f7 | 459 | if (!fFile) { |
460 | if (fEventNumber < 0 && fEvent) { | |
461 | fEventNumber++; | |
462 | return kTRUE; | |
463 | } | |
464 | else | |
465 | return kFALSE; | |
466 | } | |
dd9a70fe | 467 | |
d7aa1c7c | 468 | Reset(); |
dd9a70fe | 469 | eventHeaderStruct header; |
470 | UInt_t headerSize = sizeof(eventHeaderStruct); | |
471 | if (fEvent) delete[] fEvent; | |
472 | fEvent = &header; | |
473 | ||
474 | while (fread(&header, 1, headerSize, fFile) == headerSize) { | |
475 | if (!IsEventSelected()) { | |
476 | fseek(fFile, header.eventSize-headerSize, SEEK_CUR); | |
477 | continue; | |
478 | } | |
479 | UChar_t* buffer = new UChar_t[header.eventSize]; | |
b91d160c | 480 | fseek(fFile, -(long)headerSize, SEEK_CUR); |
dd9a70fe | 481 | if (fread(buffer, 1, header.eventSize, fFile) != header.eventSize) { |
482 | Error("NextEvent", "could not read event from file"); | |
483 | delete[] buffer; | |
484 | break; | |
485 | } | |
486 | fEvent = (eventHeaderStruct*) buffer; | |
38cf12f3 | 487 | fEventNumber++; |
dd9a70fe | 488 | return kTRUE; |
489 | }; | |
490 | ||
491 | fEvent = NULL; | |
5bec8712 | 492 | |
dd9a70fe | 493 | return kFALSE; |
494 | } | |
495 | ||
496 | Bool_t AliRawReaderDate::RewindEvents() | |
497 | { | |
498 | // go back to the beginning of the date file | |
499 | ||
b04576f7 | 500 | if (fFile) |
501 | fseek(fFile, 0, SEEK_SET); | |
dd9a70fe | 502 | |
38cf12f3 | 503 | fEventNumber = -1; |
dd9a70fe | 504 | return Reset(); |
505 | } | |
506 | ||
507 | ||
b4857df7 | 508 | Int_t AliRawReaderDate::CheckData() const |
509 | { | |
510 | // check the consistency of the data | |
511 | ||
b4857df7 | 512 | if (!fEvent) return 0; |
513 | // check whether there are sub events | |
514 | if (fEvent->eventSize <= fEvent->eventHeadSize) return 0; | |
515 | ||
516 | eventHeaderStruct* subEvent = NULL; | |
517 | UChar_t* position = 0; | |
518 | UChar_t* end = 0; | |
be50fca2 | 519 | Int_t result = 0; |
b4857df7 | 520 | |
521 | while (kTRUE) { | |
522 | // get the first or the next sub event if at the end of a sub event | |
523 | if (!subEvent || (position >= end)) { | |
524 | ||
525 | // check for end of event data | |
be50fca2 | 526 | if (position >= ((UChar_t*)fEvent)+fEvent->eventSize) return result; |
5ba96ac1 | 527 | if (!TEST_SYSTEM_ATTRIBUTE(fEvent->eventTypeAttribute, |
528 | ATTR_SUPER_EVENT)) { | |
529 | subEvent = fEvent; // no super event | |
530 | } else if (subEvent) { | |
b4857df7 | 531 | subEvent = (eventHeaderStruct*) (((UChar_t*)subEvent) + |
532 | subEvent->eventSize); | |
533 | } else { | |
534 | subEvent = (eventHeaderStruct*) (((UChar_t*)fEvent) + | |
535 | fEvent->eventHeadSize); | |
536 | } | |
537 | ||
538 | // check the magic word of the sub event | |
be50fca2 | 539 | if (subEvent->eventMagic != EVENT_MAGIC_NUMBER) { |
540 | result |= kErrMagic; | |
541 | return result; | |
542 | } | |
b4857df7 | 543 | |
544 | position = ((UChar_t*)subEvent) + subEvent->eventHeadSize + | |
545 | sizeof(equipmentHeaderStruct); | |
546 | end = ((UChar_t*)subEvent) + subEvent->eventSize; | |
547 | } | |
548 | ||
549 | // continue with the next sub event if no data left in the payload | |
550 | if (position >= end) continue; | |
551 | ||
18882b3b | 552 | if (fRequireHeader) { |
39f9963f | 553 | // check that there are enough bytes left for the data header |
18882b3b | 554 | if (position + sizeof(AliRawDataHeader) > end) { |
555 | result |= kErrNoDataHeader; | |
39f9963f | 556 | position = end; |
18882b3b | 557 | continue; |
558 | } | |
559 | ||
4433a5ac | 560 | // Here we have to check if we have header v2 or v3 |
18882b3b | 561 | // check consistency of data size in the data header and in the sub event |
562 | AliRawDataHeader* header = (AliRawDataHeader*) position; | |
4433a5ac | 563 | UChar_t version = header->GetVersion(); |
564 | if (version==2) { | |
565 | if ((position + header->fSize) != end) { | |
566 | if (header->fSize != 0xFFFFFFFF) | |
567 | Warning("CheckData", | |
568 | "raw data size found in the header V2 is wrong (%d != %ld)! Using the equipment size instead !", | |
569 | header->fSize, end - position); | |
570 | header->fSize = end - position; | |
571 | result |= kErrSize; | |
572 | } | |
39f9963f | 573 | } |
4433a5ac | 574 | else if (version==3) { |
575 | AliRawDataHeaderV3 * headerV3 = (AliRawDataHeaderV3*) position; | |
576 | if ((position + headerV3->fSize) != end) { | |
577 | if (headerV3->fSize != 0xFFFFFFFF) | |
578 | Warning("CheckData", | |
579 | "raw data size found in the header V3 is wrong (%d != %ld)! Using the equipment size instead !", | |
580 | headerV3->fSize, end - position); | |
581 | headerV3->fSize = end - position; | |
582 | result |= kErrSize; | |
583 | } | |
584 | } | |
585 | ||
be50fca2 | 586 | } |
18882b3b | 587 | position = end; |
b4857df7 | 588 | }; |
589 | ||
b4857df7 | 590 | return 0; |
591 | } | |
b900a426 | 592 | |
593 | AliRawReader* AliRawReaderDate::CloneSingleEvent() const | |
594 | { | |
595 | // Clones the current event and | |
596 | // creates raw-reader for the cloned event | |
597 | // Can be used in order to make asynchronious | |
598 | // access to the current raw data within | |
599 | // several threads (online event display/reco) | |
600 | ||
b900a426 | 601 | if (fEvent) { |
602 | UInt_t evSize = fEvent->eventSize; | |
603 | if (evSize) { | |
604 | UChar_t *newEvent = new UChar_t[evSize]; | |
605 | memcpy(newEvent,fEvent,evSize); | |
d87c6cb8 | 606 | return new AliRawReaderDate((void *)newEvent,kTRUE); |
b900a426 | 607 | } |
608 | } | |
b900a426 | 609 | return NULL; |
610 | } |