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ea199e33 | 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 | ||
16 | // $Id$ | |
17 | ||
18 | #include "AliMUONPedestalEventGenerator.h" | |
19 | ||
24dbd5dd | 20 | #include "AliCodeTimer.h" |
21 | #include "AliDAQ.h" | |
ea199e33 | 22 | #include "AliHeader.h" |
23 | #include "AliLog.h" | |
24 | #include "AliMUONCalibrationData.h" | |
ea199e33 | 25 | #include "AliMUONRawWriter.h" |
26 | #include "AliMUONVCalibParam.h" | |
42825ed9 | 27 | #include "AliMUONVDigit.h" |
24dbd5dd | 28 | #include "AliMUONVDigitStore.h" |
42825ed9 | 29 | #include "AliMUONVStore.h" |
30 | #include "AliMpCathodType.h" | |
31 | #include "AliMpConstants.h" | |
32 | #include "AliMpDEStore.h" | |
33 | #include "AliMpDetElement.h" | |
42825ed9 | 34 | #include "AliMpPlaneType.h" |
24dbd5dd | 35 | #include "AliRawDataHeaderSim.h" |
ea199e33 | 36 | #include "AliRunLoader.h" |
42825ed9 | 37 | #include <TClonesArray.h> |
38 | #include <TMath.h> | |
39 | #include <TROOT.h> | |
40 | #include <TRandom.h> | |
41 | #include <TStopwatch.h> | |
42 | #include <TSystem.h> | |
ea199e33 | 43 | |
b785c4bd | 44 | #include <cstdio> |
45 | ||
3d1463c8 | 46 | //----------------------------------------------------------------------------- |
ea199e33 | 47 | /// \class AliMUONPedestalEventGenerator |
48 | /// | |
49 | /// Generate simulated pedestal events for MUON TRK, to be able to e.g. test | |
50 | /// online calibration routines. | |
51 | /// | |
52 | /// The pedestals themselves are taken from the CDB. What we get from the CDB | |
53 | /// is, per channel, the mean and the sigma of the pedestal. We then use | |
54 | /// those informations to randomly get the pedestals for each channel, for | |
55 | /// each event (picking in a gaus(mean,sigma)). | |
56 | /// | |
57 | /// Output can be just digits, or digits + raw (ddl), or digits + raw (ddl) | |
58 | /// + raw (date files, one per LDC), depending of ctor and MakeDDL() method. | |
59 | /// | |
60 | /// \author L. Aphecetche | |
3d1463c8 | 61 | //----------------------------------------------------------------------------- |
ea199e33 | 62 | |
63 | /// \cond CLASSIMP | |
64 | ClassImp(AliMUONPedestalEventGenerator) | |
65 | /// \endcond | |
66 | ||
67 | Int_t AliMUONPedestalEventGenerator::fgCounter(0); | |
68 | ||
42825ed9 | 69 | //std::streambuf* RedirectTo(std::ostream& what, std::ostream& to) |
70 | //{ | |
71 | // std::streambuf* old = what.rdbuf(); | |
72 | // | |
73 | // std::streambuf* psbuf = to.rdbuf(); | |
74 | // what.rdbuf(psbuf); | |
75 | // | |
76 | // return old; | |
77 | //} | |
78 | ||
ea199e33 | 79 | //_____________________________________________________________________________ |
80 | AliMUONPedestalEventGenerator::AliMUONPedestalEventGenerator(Int_t runNumber, | |
81 | Int_t nevents, | |
82 | const char* filename) | |
83 | : TTask("AliMUONPedestalEventGenerator","Generate fake pedestal events"), | |
ea199e33 | 84 | fCalibrationData(new AliMUONCalibrationData(runNumber)), |
85 | fDateFileName(filename), | |
86 | fGAliceFileName("galice.root"), | |
42825ed9 | 87 | fMakeDDL(kTRUE), |
88 | fLoader(0x0), | |
89 | fPedestals(fCalibrationData->Pedestals()), | |
42825ed9 | 90 | fDigitStore(0x0), |
91 | fRawWriter(0x0) | |
ea199e33 | 92 | { |
93 | /// Will generate pedestals according to (mean,sigma)s found in CDB | |
94 | /// for run runNumber. | |
95 | /// Will generate nevents events | |
96 | /// If filename is != "", it will be the basename of the output LDC files | |
97 | /// | |
98 | if (!gSystem->IsAbsoluteFileName(fGAliceFileName)) | |
99 | { | |
100 | char* absFileName = gSystem->ConcatFileName(gSystem->WorkingDirectory(), | |
101 | fGAliceFileName); | |
102 | fGAliceFileName = absFileName; | |
103 | delete[] absFileName; | |
104 | } | |
105 | ||
106 | AliRunLoader* runLoader = LoadRun("recreate"); | |
107 | ||
108 | runLoader->SetNumberOfEventsPerFile(nevents); | |
109 | ||
110 | if (!runLoader) | |
111 | { | |
112 | AliError("Could not create RunLoader"); | |
113 | return; | |
114 | } | |
115 | ||
ea199e33 | 116 | // Initialize event headers. |
117 | runLoader->MakeTree("E"); | |
42825ed9 | 118 | |
ea199e33 | 119 | for ( Int_t iEvent = 0; iEvent < nevents; ++iEvent ) |
120 | { | |
121 | runLoader->SetEventNumber(iEvent); | |
122 | runLoader->GetHeader()->Reset(runNumber,iEvent); | |
123 | runLoader->TreeE()->Fill(); | |
124 | } | |
125 | runLoader->WriteHeader("OVERWRITE"); | |
126 | runLoader->CdGAFile(); | |
127 | runLoader->Write(0, TObject::kOverwrite); | |
128 | ||
ea199e33 | 129 | delete runLoader; |
42825ed9 | 130 | fLoader = 0x0; |
ea199e33 | 131 | } |
132 | ||
133 | ||
134 | //_____________________________________________________________________________ | |
135 | AliMUONPedestalEventGenerator::~AliMUONPedestalEventGenerator() | |
136 | { | |
137 | /// dtor | |
ea199e33 | 138 | delete fCalibrationData; |
139 | AliInfo(Form("make a digit counter %d",fgCounter)); | |
42825ed9 | 140 | delete fDigitStore; |
141 | delete fRawWriter; | |
ea199e33 | 142 | } |
143 | ||
144 | //_____________________________________________________________________________ | |
145 | Bool_t | |
146 | AliMUONPedestalEventGenerator::ConvertRawFilesToDate() | |
147 | { | |
148 | /// convert raw data DDL files to DATE files with the program "dateStream". | |
149 | /// we make one file per LDC | |
150 | ||
99c136e1 | 151 | AliCodeTimerAuto("",0) |
42825ed9 | 152 | |
153 | AliInfo("Converting raw to date"); | |
154 | ||
ea199e33 | 155 | const Int_t kIDet = AliDAQ::DetectorID("MUONTRK"); |
156 | ||
6c870207 | 157 | const Int_t kNLDCs = 5;//TMath::CeilNint(AliDAQ::NumberOfLdcs(kIDet)); |
ea199e33 | 158 | |
159 | char* path = gSystem->Which(gSystem->Getenv("PATH"), "dateStream"); | |
160 | if (!path) | |
161 | { | |
162 | AliError("the program dateStream was not found"); | |
163 | return kFALSE; | |
164 | } | |
165 | ||
166 | delete[] path; | |
167 | ||
168 | AliRunLoader* runLoader = LoadRun("read"); | |
169 | if (!runLoader) return kFALSE; | |
170 | ||
171 | AliInfo(Form("converting raw data DDL files to DATE files %s", fDateFileName.Data())); | |
172 | FILE** pipe = new FILE*[kNLDCs]; | |
173 | ||
174 | for ( Int_t iFile = 0; iFile < kNLDCs; ++iFile) | |
175 | { | |
176 | char command[256]; | |
177 | // Note the option -s. It is used in order to avoid | |
178 | // the generation of SOR/EOR events. | |
b785c4bd | 179 | snprintf(command, 256, "dateStream -c -D -o %s.LDC%d -# %d -C", |
ea199e33 | 180 | fDateFileName.Data(), iFile, runLoader->GetNumberOfEvents()); |
181 | pipe[iFile] = gSystem->OpenPipe(command, "w"); | |
182 | } | |
183 | ||
184 | for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); ++iEvent) | |
185 | { | |
186 | Float_t ldc = 0; | |
187 | Int_t prevLDC = -1; | |
188 | ||
189 | for (Int_t iDDL = 0; iDDL < AliDAQ::NumberOfDdls(kIDet); ++iDDL) | |
190 | { | |
191 | Int_t ddlID = AliDAQ::DdlID(kIDet,iDDL); | |
192 | Int_t ldcID = Int_t(ldc + 0.0001); | |
193 | ldc += AliDAQ::NumberOfLdcs(kIDet) / AliDAQ::NumberOfDdls(kIDet); | |
194 | ||
195 | char rawFileName[256]; | |
b785c4bd | 196 | snprintf(rawFileName, 256, "raw%d/%s", |
ea199e33 | 197 | iEvent, AliDAQ::DdlFileName(kIDet,iDDL)); |
198 | ||
199 | // check existence and size of raw data file | |
200 | FILE* file = fopen(rawFileName, "rb"); | |
201 | if (!file) continue; | |
202 | fseek(file, 0, SEEK_END); | |
203 | unsigned long size = ftell(file); | |
204 | fclose(file); | |
205 | if (!size) continue; | |
206 | ||
207 | if (ldcID != prevLDC) { | |
208 | fprintf(pipe[ldcID], " LDC Id %d\n", ldcID); | |
209 | prevLDC = ldcID; | |
210 | } | |
211 | fprintf(pipe[ldcID], " Equipment Id %d Payload %s\n", ddlID, rawFileName); | |
212 | } | |
213 | } | |
214 | ||
215 | Int_t result(0); | |
216 | ||
217 | for ( Int_t iFile = 0; iFile < kNLDCs; ++iFile) | |
218 | { | |
219 | result += gSystem->ClosePipe(pipe[iFile]); | |
220 | } | |
221 | ||
4332f0d4 | 222 | for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); ++iEvent) |
223 | { | |
224 | char command[256]; | |
b785c4bd | 225 | snprintf(command, 256, "rm -r raw%d", iEvent); |
4332f0d4 | 226 | gSystem->Exec(command); |
227 | } | |
228 | ||
ea199e33 | 229 | delete [] pipe; |
230 | delete runLoader; | |
42825ed9 | 231 | fLoader=0x0; |
ea199e33 | 232 | return (result == 0); |
233 | } | |
234 | ||
42825ed9 | 235 | //_____________________________________________________________________________ |
236 | AliMUONVDigitStore* | |
237 | AliMUONPedestalEventGenerator::DigitStore() | |
238 | { | |
239 | /// Return digt container; create it if it does not exist | |
240 | ||
4332f0d4 | 241 | if (!fDigitStore) fDigitStore = AliMUONVDigitStore::Create("AliMUONDigitStoreV2R"); |
42825ed9 | 242 | return fDigitStore; |
243 | } | |
244 | ||
ea199e33 | 245 | //_____________________________________________________________________________ |
246 | void | |
247 | AliMUONPedestalEventGenerator::Exec(Option_t*) | |
248 | { | |
249 | /// Main steering method | |
250 | ||
99c136e1 | 251 | AliCodeTimerAuto("",0) |
42825ed9 | 252 | |
253 | if (!fPedestals) | |
254 | { | |
255 | AliError("No pedestal store. Cannot proceed."); | |
256 | return; | |
257 | } | |
258 | ||
259 | AliRunLoader* runLoader = LoadRun("update"); | |
ea199e33 | 260 | |
42825ed9 | 261 | Int_t nevents = runLoader->GetNumberOfEvents(); |
262 | ||
263 | for ( Int_t i = 0; i < nevents ; ++i ) | |
ea199e33 | 264 | { |
ea199e33 | 265 | runLoader->GetEvent(i); |
ea199e33 | 266 | |
42825ed9 | 267 | fLoader->MakeDigitsContainer(); |
268 | TTree* treeD = fLoader->TreeD(); | |
269 | if (!treeD) | |
ea199e33 | 270 | { |
42825ed9 | 271 | AliError(Form("Could not get TreeD for event %d",i)); |
272 | continue; | |
ea199e33 | 273 | } |
ea199e33 | 274 | |
42825ed9 | 275 | DigitStore()->Connect(*treeD); |
276 | ||
277 | GenerateDigits(*(DigitStore())); | |
278 | ||
ea199e33 | 279 | // Fill the output treeD |
42825ed9 | 280 | treeD->Fill(); |
ea199e33 | 281 | |
282 | // Write to the output tree(D). | |
283 | // Please note that as GlobalTrigger, LocalTrigger and Digits are in the same | |
284 | // tree (=TreeD) in different branches, this WriteDigits in fact writes all of | |
285 | // the 3 branches. | |
42825ed9 | 286 | |
134d2964 | 287 | AliCodeTimerStart("WriteDigits") |
42825ed9 | 288 | fLoader->WriteDigits("OVERWRITE"); |
134d2964 | 289 | AliCodeTimerStop("WriteDigits") |
ea199e33 | 290 | |
42825ed9 | 291 | fLoader->UnloadDigits(); |
ea199e33 | 292 | |
42825ed9 | 293 | if ( fMakeDDL ) |
294 | { | |
dd0be8a7 | 295 | AliCodeTimerAuto("Digits2Raw",1); |
42825ed9 | 296 | Digits2Raw(i); |
297 | } | |
ea199e33 | 298 | } |
42825ed9 | 299 | |
ea199e33 | 300 | runLoader->WriteRunLoader("OVERWRITE"); |
ea199e33 | 301 | delete runLoader; |
42825ed9 | 302 | fLoader = 0x0; |
303 | ||
ea199e33 | 304 | // Finally, if instructed to do so, convert DDL files to DATE file(s) |
305 | if ( fMakeDDL && fDateFileName.Length() > 0 ) | |
306 | { | |
70d92702 | 307 | AliCodeTimerAuto("ConvertRawFilesToDate",1) |
ea199e33 | 308 | Bool_t dateOutput = ConvertRawFilesToDate(); |
ea199e33 | 309 | if (!dateOutput) |
310 | { | |
9ee1d6ff | 311 | AliError("DATE output failed. Exiting."); |
ea199e33 | 312 | return; |
313 | } | |
314 | } | |
ea199e33 | 315 | } |
316 | ||
317 | //_____________________________________________________________________________ | |
318 | void | |
42825ed9 | 319 | AliMUONPedestalEventGenerator::Digits2Raw(Int_t event) |
ea199e33 | 320 | { |
321 | /// Converts digits (from MUON.Digits.root file) to Raw DDL ascii files. | |
322 | ||
99c136e1 | 323 | AliCodeTimerAuto("",0) |
ea199e33 | 324 | |
24dbd5dd | 325 | if (!fRawWriter) |
326 | { | |
327 | AliRawDataHeaderSim header; | |
328 | fRawWriter = new AliMUONRawWriter; | |
329 | fRawWriter->SetHeader(header); | |
330 | } | |
ea199e33 | 331 | |
332 | // Generate RAW data from the digits | |
333 | // Be carefull to create&change to the correct directory first... | |
42825ed9 | 334 | |
ea199e33 | 335 | TString baseDir = gSystem->WorkingDirectory(); |
42825ed9 | 336 | |
337 | char dirName[256]; | |
b785c4bd | 338 | snprintf(dirName, 256, "raw%d", event); |
42825ed9 | 339 | gSystem->MakeDirectory(dirName); |
340 | if (!gSystem->ChangeDirectory(dirName)) | |
ea199e33 | 341 | { |
42825ed9 | 342 | AliError(Form("couldn't change to directory %s", dirName)); |
343 | return; | |
ea199e33 | 344 | } |
345 | ||
42825ed9 | 346 | fRawWriter->Digits2Raw(DigitStore(),0); |
ea199e33 | 347 | |
42825ed9 | 348 | gSystem->ChangeDirectory(baseDir); |
ea199e33 | 349 | } |
350 | ||
351 | //_____________________________________________________________________________ | |
352 | void | |
42825ed9 | 353 | AliMUONPedestalEventGenerator::GenerateDigits(AliMUONVDigitStore& digitStore) |
ea199e33 | 354 | { |
355 | /// Generate digits (where ADC is set to pedestal value) for all MUON TRK | |
356 | /// and for 1 event. | |
357 | ||
99c136e1 | 358 | AliCodeTimerAuto("",0) |
42825ed9 | 359 | |
360 | digitStore.Clear(); | |
361 | ||
ea199e33 | 362 | Int_t ngenerated(0); |
42825ed9 | 363 | Int_t nmanus(0); |
364 | TIter next(fPedestals->CreateIterator()); | |
365 | AliMUONVCalibParam* pedestals; | |
ea199e33 | 366 | |
42825ed9 | 367 | while ( ( pedestals = static_cast<AliMUONVCalibParam*>(next())) ) |
ea199e33 | 368 | { |
42825ed9 | 369 | Int_t detElemId = pedestals->ID0(); |
370 | Int_t manuId = pedestals->ID1(); | |
ea199e33 | 371 | |
42825ed9 | 372 | AliMpDetElement* de = AliMpDEStore::Instance()->GetDetElement(detElemId); |
373 | AliMp::PlaneType planeType = AliMp::kBendingPlane; | |
374 | if ( manuId & AliMpConstants::ManuMask(AliMp::kNonBendingPlane) ) | |
ea199e33 | 375 | { |
42825ed9 | 376 | planeType = AliMp::kNonBendingPlane; |
ea199e33 | 377 | } |
42825ed9 | 378 | AliMp::CathodType cathode = de->GetCathodType(planeType); |
379 | ||
380 | ++nmanus; | |
381 | ||
ea199e33 | 382 | for ( Int_t manuChannel = 0; manuChannel < pedestals->Size(); ++manuChannel ) |
383 | { | |
384 | Float_t mean = pedestals->ValueAsFloat(manuChannel,0); | |
385 | if (mean == AliMUONVCalibParam::InvalidFloatValue()) | |
386 | { | |
387 | // This is a poor's man way of knowing if that channel really exists. | |
388 | // Better and safer way (but much slower too) would be to check pad existence | |
168e9c4d | 389 | // using AliMpVSegmentation::PadByLocation(manuId,manuChannel) |
ea199e33 | 390 | continue; |
391 | } | |
4332f0d4 | 392 | else if ( mean < 1 || mean > 4095 ) |
393 | { | |
394 | AliFatal(Form("Got an invalid mean pedestal value for DE %d Manu %d" | |
395 | " channel %d : mean = %e",detElemId,manuId,manuChannel, | |
396 | mean)); | |
397 | } | |
ea199e33 | 398 | else |
399 | { | |
400 | Float_t sigma = pedestals->ValueAsFloat(manuChannel,1); | |
42825ed9 | 401 | |
4332f0d4 | 402 | if ( sigma < 0 ) |
403 | { | |
404 | AliWarning(Form("Got a negative sigma pedestal value for DE %d Manu %d" | |
405 | " channel %d : sigma = %e, will use Abs()=%e", | |
406 | detElemId,manuId,manuChannel, | |
407 | sigma,-sigma)); | |
408 | sigma = -sigma; | |
409 | } | |
410 | ||
42825ed9 | 411 | AliMUONVDigit* d = digitStore.Add(detElemId,manuId,manuChannel, |
412 | cathode, | |
413 | AliMUONVDigitStore::kIgnore); | |
414 | ||
4332f0d4 | 415 | Float_t ped = -1; |
416 | while ( ped <= 0 ) | |
417 | { | |
418 | ped = gRandom->Gaus(mean,sigma); | |
419 | } | |
42825ed9 | 420 | Int_t pedADC = TMath::FloorNint(ped); |
421 | ||
422 | d->SetADC(pedADC); | |
423 | d->SetCharge(ped); | |
ea199e33 | 424 | // we do not set the remaining parts of the digit, as in principle |
425 | // this is all we need : manuId, manuChannel and ADC, as far as | |
426 | // real data is concerned. | |
ea199e33 | 427 | ++fgCounter; |
428 | ++ngenerated; | |
429 | } | |
430 | } | |
431 | } | |
42825ed9 | 432 | AliDebug(1,Form("ngenerated=%d nmanus=%d",ngenerated,nmanus)); |
ea199e33 | 433 | } |
434 | ||
435 | //_____________________________________________________________________________ | |
436 | AliRunLoader* | |
437 | AliMUONPedestalEventGenerator::LoadRun(const char* mode) | |
438 | { | |
439 | /// Get access to AliRunLoader object | |
33c3c91a | 440 | while (AliRunLoader::Instance()) |
ea199e33 | 441 | { |
33c3c91a | 442 | AliDebug(1,Form("Deleting AliRunLoader %p",AliRunLoader::Instance())); |
443 | delete AliRunLoader::Instance(); | |
ea199e33 | 444 | } |
445 | ||
446 | AliRunLoader* runLoader = | |
447 | AliRunLoader::Open(fGAliceFileName,AliConfig::GetDefaultEventFolderName(), | |
448 | mode); | |
42825ed9 | 449 | |
ea199e33 | 450 | AliDebug(1,Form("AliRunLoader(%s)=%p",mode,runLoader)); |
42825ed9 | 451 | |
ea199e33 | 452 | if (!runLoader) |
453 | { | |
454 | AliError("No run loader found in file galice.root"); | |
fc2293be | 455 | return 0x0; |
ea199e33 | 456 | } |
42825ed9 | 457 | |
458 | TString smode(mode); | |
459 | smode.ToUpper(); | |
460 | ||
461 | if (smode.Contains("RECREATE")) | |
462 | { | |
463 | AliInfo("Creating folder structure"); | |
464 | AliConfig::Instance() | |
465 | ->CreateDetectorFolders(runLoader->GetEventFolder(), | |
466 | "MUON", "MUON"); | |
467 | fLoader = new AliLoader("MUON",runLoader->GetEventFolder()); | |
468 | runLoader->AddLoader(fLoader); | |
469 | } | |
470 | ||
471 | fLoader = static_cast<AliLoader*>(runLoader->GetDetectorLoader("MUON")); | |
472 | ||
ea199e33 | 473 | return runLoader; |
474 | } |