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