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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> |
57aaba19 | 35 | #include <TDataType.h> |
f2dc6b20 | 36 | |
37 | #include "AliLog.h" | |
38 | #include "AliRawEventHeaderBase.h" | |
39 | ||
12e921cc | 40 | #include <Riostream.h> |
f2dc6b20 | 41 | |
714281ef | 42 | using std::cout; |
43 | using std::endl; | |
f2dc6b20 | 44 | ClassImp(AliRawEventHeaderBase) |
45 | ||
f3c1e83c | 46 | //______________________________________________________________________________ |
47 | AliRawEventHeaderBase::AliRawEventHeaderBase(): | |
48 | fSize(0), | |
49 | fMagic(0), | |
50 | fHeadSize(0), | |
51 | fVersion(0), | |
52 | fExtendedDataSize(0), | |
33778962 | 53 | fExtendedAllocSize(0), |
f3c1e83c | 54 | fExtendedData(NULL), |
936875a4 | 55 | fIsSwapped(kFALSE), |
33314186 | 56 | fHeaderSize(0), |
57 | fHeaderBegin(NULL), | |
58 | fFirstEqIndex(-1), | |
59 | fLastEqIndex(-1) | |
f3c1e83c | 60 | { |
61 | // Default constructor | |
62 | } | |
f2dc6b20 | 63 | |
64 | //______________________________________________________________________________ | |
33314186 | 65 | void *AliRawEventHeaderBase::HeaderBegin() const |
f2dc6b20 | 66 | { |
67 | // Returns the pointer to the first data member | |
68 | // beyond the base class data members | |
69 | ||
33314186 | 70 | if (fHeaderBegin) return fHeaderBegin; |
71 | ||
f2dc6b20 | 72 | TList *datalist = IsA()->GetListOfDataMembers(); |
73 | TIter next(datalist); | |
74 | TDataMember *member = (TDataMember *)next(); | |
75 | ||
919008b2 | 76 | if(strstr(member->GetTypeName(),"TClass")) |
f2dc6b20 | 77 | member = (TDataMember *)next(); |
78 | ||
33314186 | 79 | void *ptr = (void *)((char *)this+member->GetOffset()); |
80 | const_cast<AliRawEventHeaderBase*>(this)->fHeaderBegin = ptr; | |
81 | ||
82 | return ptr; | |
f2dc6b20 | 83 | } |
84 | ||
85 | //______________________________________________________________________________ | |
86 | Int_t AliRawEventHeaderBase::HeaderSize() const | |
87 | { | |
88 | // Returns the size of the data members list | |
89 | // beyond the base class data members | |
90 | ||
936875a4 | 91 | if (fHeaderSize) return fHeaderSize; |
92 | ||
f2dc6b20 | 93 | Int_t size = 0; |
94 | ||
95 | TList *datalist = IsA()->GetListOfDataMembers(); | |
96 | TIter next(datalist); | |
97 | TDataMember *member; | |
98 | while ((member=(TDataMember *)next()) != 0x0) { | |
919008b2 | 99 | if (strstr(member->GetTypeName(),"TClass")) continue; |
f2dc6b20 | 100 | UInt_t unitsize = member->GetUnitSize(); |
101 | UInt_t ndim = member->GetArrayDim(); | |
102 | if (ndim == 0) | |
103 | size += unitsize; | |
104 | else | |
105 | for(UInt_t i=0;i<ndim;i++) size += member->GetMaxIndex(i)*unitsize; | |
106 | } | |
107 | ||
936875a4 | 108 | const_cast<AliRawEventHeaderBase*>(this)->fHeaderSize = size; |
109 | ||
f2dc6b20 | 110 | return size; |
111 | } | |
112 | ||
113 | //______________________________________________________________________________ | |
e653e3e1 | 114 | UInt_t AliRawEventHeaderBase::SwapWord(UInt_t x) const |
115 | { | |
116 | // Swap the endianess of the integer value 'x' | |
117 | ||
118 | return (((x & 0x000000ffU) << 24) | ((x & 0x0000ff00U) << 8) | | |
119 | ((x & 0x00ff0000U) >> 8) | ((x & 0xff000000U) >> 24)); | |
120 | } | |
121 | ||
f2dc6b20 | 122 | void AliRawEventHeaderBase::Swap() |
123 | { | |
124 | // Swap base header data. | |
125 | // Update the fIsSwapped flag which | |
126 | // is then use to copy in an appropriate way | |
127 | // the rest of the header data from the raw data stream | |
128 | ||
129 | if (IsSwapped()) { | |
130 | fIsSwapped = kTRUE; | |
e653e3e1 | 131 | fSize = SwapWord(fSize); |
132 | fMagic = SwapWord(fMagic); | |
133 | fHeadSize = SwapWord(fHeadSize); | |
134 | fVersion = SwapWord(fVersion); | |
f2dc6b20 | 135 | } |
136 | } | |
137 | ||
138 | //______________________________________________________________________________ | |
12e921cc | 139 | const char *AliRawEventHeaderBase::GetTypeName() const |
f2dc6b20 | 140 | { |
141 | // Get event type as a string. | |
142 | // Will fail in case data header | |
143 | // does not contain eventType field | |
ec835ab5 | 144 | UInt_t eventType = Get("Type"); |
145 | ||
146 | return GetTypeName(eventType); | |
147 | } | |
148 | ||
149 | //______________________________________________________________________________ | |
150 | const char *AliRawEventHeaderBase::GetTypeName(UInt_t eventType) | |
151 | { | |
152 | // Get event type as a string. | |
153 | // Static method that could be used | |
154 | // from everywhere inside aliroot | |
f2dc6b20 | 155 | |
156 | switch (eventType) { | |
157 | case kStartOfRun: | |
158 | return "START_OF_RUN"; | |
159 | break; | |
160 | case kEndOfRun: | |
161 | return "END_OF_RUN"; | |
162 | break; | |
163 | case kStartOfRunFiles: | |
164 | return "START_OF_RUN_FILES"; | |
165 | break; | |
166 | case kEndOfRunFiles: | |
167 | return "END_OF_RUN_FILES"; | |
168 | break; | |
169 | case kStartOfBurst: | |
170 | return "START_OF_BURST"; | |
171 | break; | |
172 | case kEndOfBurst: | |
173 | return "END_OF_BURST"; | |
174 | break; | |
175 | case kPhysicsEvent: | |
176 | return "PHYSICS_EVENT"; | |
177 | break; | |
178 | case kCalibrationEvent: | |
179 | return "CALIBRATION_EVENT"; | |
180 | break; | |
181 | case kFormatError: | |
182 | return "EVENT_FORMAT_ERROR"; | |
183 | break; | |
cce65444 | 184 | case kStartOfData: |
185 | return "START_OF_DATA"; | |
186 | break; | |
187 | case kEndOfData: | |
188 | return "END_OF_DATA"; | |
189 | break; | |
190 | case kSystemSoftwareTriggerEvent: | |
191 | return "SYSTEM_SOFTWARE_TRIGGER_EVENT"; | |
192 | break; | |
193 | case kDetectorSoftwareTriggerEvent: | |
194 | return "DETECTOR_SOFTWARE_TRIGGER_EVENT"; | |
195 | break; | |
f2dc6b20 | 196 | default: |
197 | return "UNKNOWN EVENT TYPE NUMBER"; | |
198 | break; | |
199 | } | |
200 | } | |
201 | ||
202 | //______________________________________________________________________________ | |
203 | AliRawEventHeaderBase* AliRawEventHeaderBase::Create(char*& data) | |
204 | { | |
205 | // Static method to create AliRawEventHeaderVX object | |
206 | // The actual header class version is taken from the | |
207 | // raw data | |
208 | ||
209 | // First create AlirawEVentHeaderBase class object | |
210 | AliRawEventHeaderBase header; | |
211 | ||
212 | // Copy the first common part of the raw data header | |
213 | memcpy(header.HeaderBaseBegin(), data, header.HeaderBaseSize()); | |
214 | ||
215 | // Swap header data if needed | |
216 | if (header.IsSwapped()) | |
217 | header.Swap(); | |
218 | ||
219 | // Is header valid... | |
220 | if (!header.IsValid()) { | |
221 | AliFatalClass("Invalid header format!"); | |
222 | // try recovery... how? | |
223 | return 0x0; | |
224 | } | |
225 | ||
226 | if (header.GetEventSize() < (UInt_t)header.HeaderBaseSize()) { | |
227 | AliFatalClass("Invalid header base size!"); | |
228 | // try recovery... how? | |
229 | return 0x0; | |
230 | } | |
231 | ||
232 | // Now check the DATE version and create the corresponding header | |
233 | // class object | |
234 | UInt_t version = header.GetVersion(); | |
235 | UInt_t majorversion = (version>>16)&0x0000ffff; | |
236 | UInt_t minorversion = version&0x0000ffff; | |
237 | TString classname; | |
238 | classname.Form("AliRawEventHeaderV%d_%d",majorversion,minorversion); | |
239 | ||
240 | TClass *tcl = TClass::GetClass(classname.Data()); | |
241 | if (!tcl) { | |
242 | AliFatalClass(Form("Unknown header version (%s)!",classname.Data())); | |
243 | return 0x0; | |
244 | } | |
245 | ||
246 | // header.Dump(); tcl->Dump(); | |
247 | ||
248 | AliRawEventHeaderBase *hdr = (AliRawEventHeaderBase *)tcl->New(); | |
249 | if (!hdr) { | |
250 | AliFatalClass(Form("Can not create object of class %s",classname.Data())); | |
251 | return 0x0; | |
252 | } | |
253 | ||
254 | // Copy the base header data members and initialize other data members | |
255 | memcpy(hdr->HeaderBaseBegin(),header.HeaderBaseBegin(), header.HeaderBaseSize()); | |
256 | memset(hdr->HeaderBegin(),0, hdr->HeaderSize()); | |
257 | hdr->fIsSwapped = header.fIsSwapped; | |
258 | ||
259 | // Consistency check | |
260 | if (hdr->GetEventSize() < ((UInt_t)hdr->HeaderBaseSize() + (UInt_t)hdr->HeaderSize())) { | |
261 | AliFatalClass(Form("Invalid header size (%d < %d +%d)!", | |
262 | hdr->GetEventSize(),hdr->HeaderBaseSize(),hdr->HeaderSize())); | |
263 | // try recovery... how? | |
264 | return 0x0; | |
265 | } | |
266 | ||
267 | // Check for the presence of header extension and its size | |
268 | Int_t extsize = (Int_t)hdr->GetHeadSize() - (hdr->HeaderBaseSize() + hdr->HeaderSize()); | |
269 | if (extsize < 0) { | |
270 | AliFatalClass(Form("Invalid header size (%d < %d +%d)!", | |
271 | hdr->GetHeadSize(),hdr->HeaderBaseSize(),hdr->HeaderSize())); | |
272 | // try recovery... how? | |
273 | return 0x0; | |
274 | } | |
275 | else { | |
276 | if (extsize > 0) { | |
33778962 | 277 | hdr->AllocateExtendedData(extsize); |
f2dc6b20 | 278 | } |
279 | } | |
280 | ||
281 | return hdr; | |
282 | } | |
283 | ||
e653e3e1 | 284 | void AliRawEventHeaderBase::SwapData(const void* inbuf, const void* outbuf, UInt_t size) { |
285 | // The method swaps the contents of the | |
286 | // raw-data event header | |
287 | UInt_t intCount = size/sizeof(UInt_t); | |
288 | ||
289 | UInt_t* buf = (UInt_t*) inbuf; // temporary integers buffer | |
290 | for (UInt_t i=0; i<intCount; i++, buf++) { | |
291 | UInt_t value = SwapWord(*buf); | |
292 | memcpy((UInt_t*)outbuf+i, &value, sizeof(UInt_t)); | |
293 | } | |
294 | } | |
295 | ||
f2dc6b20 | 296 | //______________________________________________________________________________ |
297 | Int_t AliRawEventHeaderBase::ReadHeader(char*& data) | |
298 | { | |
299 | // Read header info from DATE data stream. | |
300 | // Returns bytes read | |
301 | ||
302 | Long_t start = (Long_t)data; | |
303 | // Swap header data if needed | |
304 | if (DataIsSwapped()) { | |
e653e3e1 | 305 | SwapData(data, HeaderBaseBegin(), HeaderBaseSize()); |
f2dc6b20 | 306 | data += HeaderBaseSize(); |
e653e3e1 | 307 | SwapData(data, HeaderBegin(), HeaderSize()); |
f2dc6b20 | 308 | data += HeaderSize(); |
f2dc6b20 | 309 | } |
310 | else { | |
311 | memcpy(HeaderBaseBegin(), data, HeaderBaseSize()); | |
312 | data += HeaderBaseSize(); | |
313 | memcpy(HeaderBegin(), data, HeaderSize()); | |
314 | data += HeaderSize(); | |
f2dc6b20 | 315 | } |
33778962 | 316 | data += ReadExtendedData(data); |
f2dc6b20 | 317 | |
318 | return (Int_t)((Long_t)data - start); | |
319 | } | |
320 | ||
33778962 | 321 | //______________________________________________________________________________ |
322 | void AliRawEventHeaderBase::AllocateExtendedData(Int_t extsize) | |
323 | { | |
324 | // Allocate the space for the header | |
325 | // extended data | |
326 | if (fExtendedData) delete [] fExtendedData; | |
327 | ||
328 | fExtendedDataSize = fExtendedAllocSize = extsize; | |
329 | fExtendedData = new char[fExtendedAllocSize]; | |
330 | memset(fExtendedData,0,fExtendedAllocSize); | |
331 | } | |
332 | ||
333 | //______________________________________________________________________________ | |
334 | Int_t AliRawEventHeaderBase::ReadExtendedData(char*& data) | |
335 | { | |
336 | // Read extended header data | |
337 | // Reallocates memory if the present | |
338 | // buffer is insufficient | |
339 | Int_t extsize = (Int_t)GetHeadSize() - (HeaderBaseSize() + HeaderSize()); | |
340 | ||
341 | if (extsize == 0) { | |
342 | fExtendedDataSize = 0; | |
343 | return 0; | |
344 | } | |
345 | ||
346 | if (extsize < 0) { | |
347 | AliFatal(Form("Invalid header size (%d < %d +%d)!", | |
348 | GetHeadSize(),HeaderBaseSize(),HeaderSize())); | |
349 | // try recovery... how? | |
350 | return 0; | |
351 | } | |
352 | ||
353 | fExtendedDataSize = extsize; | |
354 | if (fExtendedDataSize > fExtendedAllocSize) | |
355 | AllocateExtendedData(fExtendedDataSize); | |
356 | ||
357 | if (DataIsSwapped()) | |
358 | SwapData(data, fExtendedData, fExtendedDataSize); | |
359 | else | |
360 | memcpy(fExtendedData, data, fExtendedDataSize); | |
361 | ||
362 | return fExtendedDataSize; | |
363 | } | |
364 | ||
f2dc6b20 | 365 | //______________________________________________________________________________ |
11d31ad9 | 366 | UInt_t AliRawEventHeaderBase::Get(const char *datamember) const |
f2dc6b20 | 367 | { |
368 | // The method to get a data member from the header object | |
369 | // Except for the data members of the base class, all the | |
370 | // other header data should be retrieved ONLY by this method | |
371 | // The name of the data member should be supplied without "f" | |
372 | // in front | |
373 | ||
374 | char buf[256] = "f"; | |
0f772864 | 375 | strncat(buf,datamember,sizeof(buf)-2); |
f2dc6b20 | 376 | |
377 | TDataMember *member = IsA()->GetDataMember(buf); | |
378 | if (!member) { | |
379 | AliFatal(Form("No data member %s is found! Check the raw data version!",buf)); | |
380 | return 0; | |
381 | } | |
382 | ||
383 | if (member->GetArrayDim() != 0) { | |
384 | AliFatal(Form("Member %s is an array! Use the GetP() method!",buf)); | |
385 | return 0; | |
386 | } | |
387 | ||
57aaba19 | 388 | TDataType * dataType = member->GetDataType(); |
389 | if (!dataType || dataType->GetType() != kUInt_t) { | |
f2dc6b20 | 390 | AliFatal(Form("Member %s is not of type UInt_t!",buf)); |
391 | return 0; | |
392 | } | |
393 | ||
394 | const void *pointer = (char *)this+member->GetOffset(); | |
395 | ||
396 | return *((UInt_t *)pointer); | |
397 | } | |
398 | ||
399 | //______________________________________________________________________________ | |
11d31ad9 | 400 | const UInt_t* AliRawEventHeaderBase::GetP(const char *datamember) const |
f2dc6b20 | 401 | { |
402 | // The method to get a data member from the header object | |
403 | // Except for the data members of the base class, all the | |
404 | // other header data should be retrieved ONLY by this method | |
405 | // The name of the data member should be supplied without "f" | |
406 | // in front | |
407 | ||
408 | char buf[256] = "f"; | |
0f772864 | 409 | strncat(buf,datamember,sizeof(buf)-2); |
f2dc6b20 | 410 | |
411 | TDataMember *member = IsA()->GetDataMember(buf); | |
412 | if (!member) { | |
413 | AliFatal(Form("No data member %s is found! Check the raw data version!",buf)); | |
414 | return 0; | |
415 | } | |
416 | ||
39848565 | 417 | // if (member->GetArrayDim() == 0) { |
418 | // AliFatal(Form("Member %s is not an array! Use the Get() method!",buf)); | |
419 | // return 0; | |
420 | // } | |
f2dc6b20 | 421 | |
57aaba19 | 422 | TDataType * dataType = member->GetDataType(); |
423 | if (!dataType || dataType->GetType() != kUInt_t) { | |
f2dc6b20 | 424 | AliFatal(Form("Member %s is not of type UInt_t*!",buf)); |
425 | return 0; | |
426 | } | |
427 | ||
428 | const void *pointer = (char *)this+member->GetOffset(); | |
429 | ||
430 | return (const UInt_t*)pointer; | |
431 | } | |
12e921cc | 432 | |
433 | //_____________________________________________________________________________ | |
434 | void AliRawEventHeaderBase::Print( const Option_t* opt ) const | |
435 | { | |
436 | // Dumps the event or sub-event | |
437 | // header fields | |
438 | ||
439 | cout << opt << " Event size: " << GetEventSize() << endl; | |
440 | cout << opt << " Event header size: " << GetHeadSize() << endl; | |
441 | cout << opt << " Event header version: " << GetMajorVersion() << "." << GetMinorVersion() << endl; | |
442 | cout << opt << " Event type: " << Get("Type") << "( " << GetTypeName() << " )" << endl; | |
443 | cout << opt << " Run Number: " << Get("RunNb") << endl; | |
444 | const UInt_t *id = GetP("Id"); | |
445 | cout << opt << " Period: " << (((id)[0]>>4)&0x0fffffff) << " Orbit: " << ((((id)[0]<<20)&0xf00000)|(((id)[1]>>12)&0xfffff)) << " Bunch-crossing: " << ((id)[1]&0x00000fff) << endl; | |
446 | cout << opt << " Trigger pattern: " << GetP("TriggerPattern")[0] << "-" << GetP("TriggerPattern")[1] << endl; | |
447 | cout << opt << " Detector pattern: " << Get("DetectorPattern") << endl; | |
448 | cout << opt << " Type attribute: " << GetP("TypeAttribute")[0] << "-" << GetP("TypeAttribute")[1] << "-" << GetP("TypeAttribute")[2] << endl; | |
449 | cout << opt << " GDC: " << Get("GdcId") << " LDC: " << Get("LdcId") << endl; | |
450 | } | |
33314186 | 451 | |
452 | //_____________________________________________________________________________ | |
453 | void AliRawEventHeaderBase::AddEqIndex(Int_t index) | |
454 | { | |
455 | // Adds an equipment by changing properly | |
456 | // the first and last equipment indexes | |
457 | if (fFirstEqIndex < 0) fFirstEqIndex = index; | |
458 | if (index > fLastEqIndex) fLastEqIndex = index; | |
459 | } | |
460 | ||
461 | //_____________________________________________________________________________ | |
462 | void AliRawEventHeaderBase::Reset() | |
463 | { | |
464 | fFirstEqIndex = fLastEqIndex = -1; | |
465 | } |