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f2dc6b20 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-2003, 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 | ||
9edefa04 | 16 | /* $Id$ */ |
17 | ||
18 | // Author: Cvetan Cheshkov 10/10/2005 | |
19 | ||
f2dc6b20 | 20 | ////////////////////////////////////////////////////////////////////////// |
21 | // // | |
22 | // AliRawEventHeaderBase // | |
23 | // This a new versioning scheme for raw data root-ification and reading // | |
24 | // For details look at offline weekly meeting 20/10/2005 // | |
25 | // // | |
26 | ////////////////////////////////////////////////////////////////////////// | |
27 | ||
28 | #include <unistd.h> | |
29 | ||
9edefa04 | 30 | #include <Bytes.h> |
f2dc6b20 | 31 | #include <TClass.h> |
32 | #include <TDataMember.h> | |
7ca4655f | 33 | #include <TList.h> |
f2dc6b20 | 34 | #include <TMethodCall.h> |
35 | ||
36 | #include "AliLog.h" | |
37 | #include "AliRawEventHeaderBase.h" | |
38 | ||
12e921cc | 39 | #include <Riostream.h> |
f2dc6b20 | 40 | |
41 | ClassImp(AliRawEventHeaderBase) | |
42 | ||
f3c1e83c | 43 | //______________________________________________________________________________ |
44 | AliRawEventHeaderBase::AliRawEventHeaderBase(): | |
45 | fSize(0), | |
46 | fMagic(0), | |
47 | fHeadSize(0), | |
48 | fVersion(0), | |
49 | fExtendedDataSize(0), | |
33778962 | 50 | fExtendedAllocSize(0), |
f3c1e83c | 51 | fExtendedData(NULL), |
936875a4 | 52 | fIsSwapped(kFALSE), |
33314186 | 53 | fHeaderSize(0), |
54 | fHeaderBegin(NULL), | |
55 | fFirstEqIndex(-1), | |
56 | fLastEqIndex(-1) | |
f3c1e83c | 57 | { |
58 | // Default constructor | |
59 | } | |
f2dc6b20 | 60 | |
61 | //______________________________________________________________________________ | |
33314186 | 62 | void *AliRawEventHeaderBase::HeaderBegin() const |
f2dc6b20 | 63 | { |
64 | // Returns the pointer to the first data member | |
65 | // beyond the base class data members | |
66 | ||
33314186 | 67 | if (fHeaderBegin) return fHeaderBegin; |
68 | ||
f2dc6b20 | 69 | TList *datalist = IsA()->GetListOfDataMembers(); |
70 | TIter next(datalist); | |
71 | TDataMember *member = (TDataMember *)next(); | |
72 | ||
73 | if(!strcmp(member->GetTypeName(),"TClass")) | |
74 | member = (TDataMember *)next(); | |
75 | ||
33314186 | 76 | void *ptr = (void *)((char *)this+member->GetOffset()); |
77 | const_cast<AliRawEventHeaderBase*>(this)->fHeaderBegin = ptr; | |
78 | ||
79 | return ptr; | |
f2dc6b20 | 80 | } |
81 | ||
82 | //______________________________________________________________________________ | |
83 | Int_t AliRawEventHeaderBase::HeaderSize() const | |
84 | { | |
85 | // Returns the size of the data members list | |
86 | // beyond the base class data members | |
87 | ||
936875a4 | 88 | if (fHeaderSize) return fHeaderSize; |
89 | ||
f2dc6b20 | 90 | Int_t size = 0; |
91 | ||
92 | TList *datalist = IsA()->GetListOfDataMembers(); | |
93 | TIter next(datalist); | |
94 | TDataMember *member; | |
95 | while ((member=(TDataMember *)next()) != 0x0) { | |
96 | if (!strcmp(member->GetTypeName(),"TClass")) continue; | |
97 | UInt_t unitsize = member->GetUnitSize(); | |
98 | UInt_t ndim = member->GetArrayDim(); | |
99 | if (ndim == 0) | |
100 | size += unitsize; | |
101 | else | |
102 | for(UInt_t i=0;i<ndim;i++) size += member->GetMaxIndex(i)*unitsize; | |
103 | } | |
104 | ||
936875a4 | 105 | const_cast<AliRawEventHeaderBase*>(this)->fHeaderSize = size; |
106 | ||
f2dc6b20 | 107 | return size; |
108 | } | |
109 | ||
110 | //______________________________________________________________________________ | |
e653e3e1 | 111 | UInt_t AliRawEventHeaderBase::SwapWord(UInt_t x) const |
112 | { | |
113 | // Swap the endianess of the integer value 'x' | |
114 | ||
115 | return (((x & 0x000000ffU) << 24) | ((x & 0x0000ff00U) << 8) | | |
116 | ((x & 0x00ff0000U) >> 8) | ((x & 0xff000000U) >> 24)); | |
117 | } | |
118 | ||
f2dc6b20 | 119 | void AliRawEventHeaderBase::Swap() |
120 | { | |
121 | // Swap base header data. | |
122 | // Update the fIsSwapped flag which | |
123 | // is then use to copy in an appropriate way | |
124 | // the rest of the header data from the raw data stream | |
125 | ||
126 | if (IsSwapped()) { | |
127 | fIsSwapped = kTRUE; | |
e653e3e1 | 128 | fSize = SwapWord(fSize); |
129 | fMagic = SwapWord(fMagic); | |
130 | fHeadSize = SwapWord(fHeadSize); | |
131 | fVersion = SwapWord(fVersion); | |
f2dc6b20 | 132 | } |
133 | } | |
134 | ||
135 | //______________________________________________________________________________ | |
12e921cc | 136 | const char *AliRawEventHeaderBase::GetTypeName() const |
f2dc6b20 | 137 | { |
138 | // Get event type as a string. | |
139 | // Will fail in case data header | |
140 | // does not contain eventType field | |
ec835ab5 | 141 | UInt_t eventType = Get("Type"); |
142 | ||
143 | return GetTypeName(eventType); | |
144 | } | |
145 | ||
146 | //______________________________________________________________________________ | |
147 | const char *AliRawEventHeaderBase::GetTypeName(UInt_t eventType) | |
148 | { | |
149 | // Get event type as a string. | |
150 | // Static method that could be used | |
151 | // from everywhere inside aliroot | |
f2dc6b20 | 152 | |
153 | switch (eventType) { | |
154 | case kStartOfRun: | |
155 | return "START_OF_RUN"; | |
156 | break; | |
157 | case kEndOfRun: | |
158 | return "END_OF_RUN"; | |
159 | break; | |
160 | case kStartOfRunFiles: | |
161 | return "START_OF_RUN_FILES"; | |
162 | break; | |
163 | case kEndOfRunFiles: | |
164 | return "END_OF_RUN_FILES"; | |
165 | break; | |
166 | case kStartOfBurst: | |
167 | return "START_OF_BURST"; | |
168 | break; | |
169 | case kEndOfBurst: | |
170 | return "END_OF_BURST"; | |
171 | break; | |
172 | case kPhysicsEvent: | |
173 | return "PHYSICS_EVENT"; | |
174 | break; | |
175 | case kCalibrationEvent: | |
176 | return "CALIBRATION_EVENT"; | |
177 | break; | |
178 | case kFormatError: | |
179 | return "EVENT_FORMAT_ERROR"; | |
180 | break; | |
cce65444 | 181 | case kStartOfData: |
182 | return "START_OF_DATA"; | |
183 | break; | |
184 | case kEndOfData: | |
185 | return "END_OF_DATA"; | |
186 | break; | |
187 | case kSystemSoftwareTriggerEvent: | |
188 | return "SYSTEM_SOFTWARE_TRIGGER_EVENT"; | |
189 | break; | |
190 | case kDetectorSoftwareTriggerEvent: | |
191 | return "DETECTOR_SOFTWARE_TRIGGER_EVENT"; | |
192 | break; | |
f2dc6b20 | 193 | default: |
194 | return "UNKNOWN EVENT TYPE NUMBER"; | |
195 | break; | |
196 | } | |
197 | } | |
198 | ||
199 | //______________________________________________________________________________ | |
200 | AliRawEventHeaderBase* AliRawEventHeaderBase::Create(char*& data) | |
201 | { | |
202 | // Static method to create AliRawEventHeaderVX object | |
203 | // The actual header class version is taken from the | |
204 | // raw data | |
205 | ||
206 | // First create AlirawEVentHeaderBase class object | |
207 | AliRawEventHeaderBase header; | |
208 | ||
209 | // Copy the first common part of the raw data header | |
210 | memcpy(header.HeaderBaseBegin(), data, header.HeaderBaseSize()); | |
211 | ||
212 | // Swap header data if needed | |
213 | if (header.IsSwapped()) | |
214 | header.Swap(); | |
215 | ||
216 | // Is header valid... | |
217 | if (!header.IsValid()) { | |
218 | AliFatalClass("Invalid header format!"); | |
219 | // try recovery... how? | |
220 | return 0x0; | |
221 | } | |
222 | ||
223 | if (header.GetEventSize() < (UInt_t)header.HeaderBaseSize()) { | |
224 | AliFatalClass("Invalid header base size!"); | |
225 | // try recovery... how? | |
226 | return 0x0; | |
227 | } | |
228 | ||
229 | // Now check the DATE version and create the corresponding header | |
230 | // class object | |
231 | UInt_t version = header.GetVersion(); | |
232 | UInt_t majorversion = (version>>16)&0x0000ffff; | |
233 | UInt_t minorversion = version&0x0000ffff; | |
234 | TString classname; | |
235 | classname.Form("AliRawEventHeaderV%d_%d",majorversion,minorversion); | |
236 | ||
237 | TClass *tcl = TClass::GetClass(classname.Data()); | |
238 | if (!tcl) { | |
239 | AliFatalClass(Form("Unknown header version (%s)!",classname.Data())); | |
240 | return 0x0; | |
241 | } | |
242 | ||
243 | // header.Dump(); tcl->Dump(); | |
244 | ||
245 | AliRawEventHeaderBase *hdr = (AliRawEventHeaderBase *)tcl->New(); | |
246 | if (!hdr) { | |
247 | AliFatalClass(Form("Can not create object of class %s",classname.Data())); | |
248 | return 0x0; | |
249 | } | |
250 | ||
251 | // Copy the base header data members and initialize other data members | |
252 | memcpy(hdr->HeaderBaseBegin(),header.HeaderBaseBegin(), header.HeaderBaseSize()); | |
253 | memset(hdr->HeaderBegin(),0, hdr->HeaderSize()); | |
254 | hdr->fIsSwapped = header.fIsSwapped; | |
255 | ||
256 | // Consistency check | |
257 | if (hdr->GetEventSize() < ((UInt_t)hdr->HeaderBaseSize() + (UInt_t)hdr->HeaderSize())) { | |
258 | AliFatalClass(Form("Invalid header size (%d < %d +%d)!", | |
259 | hdr->GetEventSize(),hdr->HeaderBaseSize(),hdr->HeaderSize())); | |
260 | // try recovery... how? | |
261 | return 0x0; | |
262 | } | |
263 | ||
264 | // Check for the presence of header extension and its size | |
265 | Int_t extsize = (Int_t)hdr->GetHeadSize() - (hdr->HeaderBaseSize() + hdr->HeaderSize()); | |
266 | if (extsize < 0) { | |
267 | AliFatalClass(Form("Invalid header size (%d < %d +%d)!", | |
268 | hdr->GetHeadSize(),hdr->HeaderBaseSize(),hdr->HeaderSize())); | |
269 | // try recovery... how? | |
270 | return 0x0; | |
271 | } | |
272 | else { | |
273 | if (extsize > 0) { | |
33778962 | 274 | hdr->AllocateExtendedData(extsize); |
f2dc6b20 | 275 | } |
276 | } | |
277 | ||
278 | return hdr; | |
279 | } | |
280 | ||
e653e3e1 | 281 | void AliRawEventHeaderBase::SwapData(const void* inbuf, const void* outbuf, UInt_t size) { |
282 | // The method swaps the contents of the | |
283 | // raw-data event header | |
284 | UInt_t intCount = size/sizeof(UInt_t); | |
285 | ||
286 | UInt_t* buf = (UInt_t*) inbuf; // temporary integers buffer | |
287 | for (UInt_t i=0; i<intCount; i++, buf++) { | |
288 | UInt_t value = SwapWord(*buf); | |
289 | memcpy((UInt_t*)outbuf+i, &value, sizeof(UInt_t)); | |
290 | } | |
291 | } | |
292 | ||
f2dc6b20 | 293 | //______________________________________________________________________________ |
294 | Int_t AliRawEventHeaderBase::ReadHeader(char*& data) | |
295 | { | |
296 | // Read header info from DATE data stream. | |
297 | // Returns bytes read | |
298 | ||
299 | Long_t start = (Long_t)data; | |
300 | // Swap header data if needed | |
301 | if (DataIsSwapped()) { | |
e653e3e1 | 302 | SwapData(data, HeaderBaseBegin(), HeaderBaseSize()); |
f2dc6b20 | 303 | data += HeaderBaseSize(); |
e653e3e1 | 304 | SwapData(data, HeaderBegin(), HeaderSize()); |
f2dc6b20 | 305 | data += HeaderSize(); |
f2dc6b20 | 306 | } |
307 | else { | |
308 | memcpy(HeaderBaseBegin(), data, HeaderBaseSize()); | |
309 | data += HeaderBaseSize(); | |
310 | memcpy(HeaderBegin(), data, HeaderSize()); | |
311 | data += HeaderSize(); | |
f2dc6b20 | 312 | } |
33778962 | 313 | data += ReadExtendedData(data); |
f2dc6b20 | 314 | |
315 | return (Int_t)((Long_t)data - start); | |
316 | } | |
317 | ||
33778962 | 318 | //______________________________________________________________________________ |
319 | void AliRawEventHeaderBase::AllocateExtendedData(Int_t extsize) | |
320 | { | |
321 | // Allocate the space for the header | |
322 | // extended data | |
323 | if (fExtendedData) delete [] fExtendedData; | |
324 | ||
325 | fExtendedDataSize = fExtendedAllocSize = extsize; | |
326 | fExtendedData = new char[fExtendedAllocSize]; | |
327 | memset(fExtendedData,0,fExtendedAllocSize); | |
328 | } | |
329 | ||
330 | //______________________________________________________________________________ | |
331 | Int_t AliRawEventHeaderBase::ReadExtendedData(char*& data) | |
332 | { | |
333 | // Read extended header data | |
334 | // Reallocates memory if the present | |
335 | // buffer is insufficient | |
336 | Int_t extsize = (Int_t)GetHeadSize() - (HeaderBaseSize() + HeaderSize()); | |
337 | ||
338 | if (extsize == 0) { | |
339 | fExtendedDataSize = 0; | |
340 | return 0; | |
341 | } | |
342 | ||
343 | if (extsize < 0) { | |
344 | AliFatal(Form("Invalid header size (%d < %d +%d)!", | |
345 | GetHeadSize(),HeaderBaseSize(),HeaderSize())); | |
346 | // try recovery... how? | |
347 | return 0; | |
348 | } | |
349 | ||
350 | fExtendedDataSize = extsize; | |
351 | if (fExtendedDataSize > fExtendedAllocSize) | |
352 | AllocateExtendedData(fExtendedDataSize); | |
353 | ||
354 | if (DataIsSwapped()) | |
355 | SwapData(data, fExtendedData, fExtendedDataSize); | |
356 | else | |
357 | memcpy(fExtendedData, data, fExtendedDataSize); | |
358 | ||
359 | return fExtendedDataSize; | |
360 | } | |
361 | ||
f2dc6b20 | 362 | //______________________________________________________________________________ |
11d31ad9 | 363 | UInt_t AliRawEventHeaderBase::Get(const char *datamember) const |
f2dc6b20 | 364 | { |
365 | // The method to get a data member from the header object | |
366 | // Except for the data members of the base class, all the | |
367 | // other header data should be retrieved ONLY by this method | |
368 | // The name of the data member should be supplied without "f" | |
369 | // in front | |
370 | ||
371 | char buf[256] = "f"; | |
372 | strcat(buf,datamember); | |
373 | ||
374 | TDataMember *member = IsA()->GetDataMember(buf); | |
375 | if (!member) { | |
376 | AliFatal(Form("No data member %s is found! Check the raw data version!",buf)); | |
377 | return 0; | |
378 | } | |
379 | ||
380 | if (member->GetArrayDim() != 0) { | |
381 | AliFatal(Form("Member %s is an array! Use the GetP() method!",buf)); | |
382 | return 0; | |
383 | } | |
384 | ||
385 | if (strcmp(member->GetTypeName(),"UInt_t") != 0) { | |
386 | AliFatal(Form("Member %s is not of type UInt_t!",buf)); | |
387 | return 0; | |
388 | } | |
389 | ||
390 | const void *pointer = (char *)this+member->GetOffset(); | |
391 | ||
392 | return *((UInt_t *)pointer); | |
393 | } | |
394 | ||
395 | //______________________________________________________________________________ | |
11d31ad9 | 396 | const UInt_t* AliRawEventHeaderBase::GetP(const char *datamember) const |
f2dc6b20 | 397 | { |
398 | // The method to get a data member from the header object | |
399 | // Except for the data members of the base class, all the | |
400 | // other header data should be retrieved ONLY by this method | |
401 | // The name of the data member should be supplied without "f" | |
402 | // in front | |
403 | ||
404 | char buf[256] = "f"; | |
405 | strcat(buf,datamember); | |
406 | ||
407 | TDataMember *member = IsA()->GetDataMember(buf); | |
408 | if (!member) { | |
409 | AliFatal(Form("No data member %s is found! Check the raw data version!",buf)); | |
410 | return 0; | |
411 | } | |
412 | ||
39848565 | 413 | // if (member->GetArrayDim() == 0) { |
414 | // AliFatal(Form("Member %s is not an array! Use the Get() method!",buf)); | |
415 | // return 0; | |
416 | // } | |
f2dc6b20 | 417 | |
418 | if (strcmp(member->GetTypeName(),"UInt_t") != 0) { | |
419 | AliFatal(Form("Member %s is not of type UInt_t*!",buf)); | |
420 | return 0; | |
421 | } | |
422 | ||
423 | const void *pointer = (char *)this+member->GetOffset(); | |
424 | ||
425 | return (const UInt_t*)pointer; | |
426 | } | |
12e921cc | 427 | |
428 | //_____________________________________________________________________________ | |
429 | void AliRawEventHeaderBase::Print( const Option_t* opt ) const | |
430 | { | |
431 | // Dumps the event or sub-event | |
432 | // header fields | |
433 | ||
434 | cout << opt << " Event size: " << GetEventSize() << endl; | |
435 | cout << opt << " Event header size: " << GetHeadSize() << endl; | |
436 | cout << opt << " Event header version: " << GetMajorVersion() << "." << GetMinorVersion() << endl; | |
437 | cout << opt << " Event type: " << Get("Type") << "( " << GetTypeName() << " )" << endl; | |
438 | cout << opt << " Run Number: " << Get("RunNb") << endl; | |
439 | const UInt_t *id = GetP("Id"); | |
440 | cout << opt << " Period: " << (((id)[0]>>4)&0x0fffffff) << " Orbit: " << ((((id)[0]<<20)&0xf00000)|(((id)[1]>>12)&0xfffff)) << " Bunch-crossing: " << ((id)[1]&0x00000fff) << endl; | |
441 | cout << opt << " Trigger pattern: " << GetP("TriggerPattern")[0] << "-" << GetP("TriggerPattern")[1] << endl; | |
442 | cout << opt << " Detector pattern: " << Get("DetectorPattern") << endl; | |
443 | cout << opt << " Type attribute: " << GetP("TypeAttribute")[0] << "-" << GetP("TypeAttribute")[1] << "-" << GetP("TypeAttribute")[2] << endl; | |
444 | cout << opt << " GDC: " << Get("GdcId") << " LDC: " << Get("LdcId") << endl; | |
445 | } | |
33314186 | 446 | |
447 | //_____________________________________________________________________________ | |
448 | void AliRawEventHeaderBase::AddEqIndex(Int_t index) | |
449 | { | |
450 | // Adds an equipment by changing properly | |
451 | // the first and last equipment indexes | |
452 | if (fFirstEqIndex < 0) fFirstEqIndex = index; | |
453 | if (index > fLastEqIndex) fLastEqIndex = index; | |
454 | } | |
455 | ||
456 | //_____________________________________________________________________________ | |
457 | void AliRawEventHeaderBase::Reset() | |
458 | { | |
459 | fFirstEqIndex = fLastEqIndex = -1; | |
460 | } | |
461 | ||
462 | //______________________________________________________________________________ | |
463 | void AliRawEventHeaderBase::Streamer(TBuffer &R__b) | |
464 | { | |
465 | // Stream an object of class AliRawEventHeaderBase. | |
466 | ||
467 | if (R__b.IsReading()) { | |
468 | UInt_t R__s, R__c; | |
469 | Version_t R__v = R__b.ReadVersion(&R__s, &R__c); | |
470 | if (R__v > 3) { | |
471 | R__b.ReadClassBuffer(AliRawEventHeaderBase::Class(),this,R__v,R__s,R__c); | |
472 | return; | |
473 | } | |
474 | TObject::Streamer(R__b); | |
475 | R__b >> fSize; | |
476 | R__b >> fMagic; | |
477 | R__b >> fHeadSize; | |
478 | R__b >> fVersion; | |
479 | R__b >> fExtendedDataSize; | |
480 | delete [] fExtendedData; | |
481 | fExtendedData = new char[fExtendedDataSize]; | |
482 | R__b.ReadFastArray(fExtendedData,fExtendedDataSize); | |
483 | R__b >> fIsSwapped; | |
484 | R__b.CheckByteCount(R__s, R__c, AliRawEventHeaderBase::IsA()); | |
485 | } else { | |
486 | R__b.WriteClassBuffer(AliRawEventHeaderBase::Class(),this); | |
487 | } | |
488 | } |