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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 | ||
20 | #include "AliCodeTimer.h" | |
21 | #include "AliDAQ.h" | |
22 | #include "AliHeader.h" | |
23 | #include "AliLog.h" | |
24 | #include "AliMUONCalibrationData.h" | |
25 | #include "AliMUONRawWriter.h" | |
26 | #include "AliMUONVCalibParam.h" | |
27 | #include "AliMUONVDigit.h" | |
28 | #include "AliMUONVDigitStore.h" | |
29 | #include "AliMUONVStore.h" | |
30 | #include "AliMpCathodType.h" | |
31 | #include "AliMpConstants.h" | |
32 | #include "AliMpDEStore.h" | |
33 | #include "AliMpDetElement.h" | |
34 | #include "AliMpPlaneType.h" | |
35 | #include "AliRawDataHeaderSim.h" | |
36 | #include "AliLoader.h" | |
37 | #include "AliRunLoader.h" | |
38 | #include <TClonesArray.h> | |
39 | #include <TMath.h> | |
40 | #include <TROOT.h> | |
41 | #include <TRandom.h> | |
42 | #include <TStopwatch.h> | |
43 | #include <TSystem.h> | |
44 | #include <TTree.h> | |
45 | ||
46 | #include <cstdio> | |
47 | ||
48 | //----------------------------------------------------------------------------- | |
49 | /// \class AliMUONPedestalEventGenerator | |
50 | /// | |
51 | /// Generate simulated pedestal events for MUON TRK, to be able to e.g. test | |
52 | /// online calibration routines. | |
53 | /// | |
54 | /// The pedestals themselves are taken from the CDB. What we get from the CDB | |
55 | /// is, per channel, the mean and the sigma of the pedestal. We then use | |
56 | /// those informations to randomly get the pedestals for each channel, for | |
57 | /// each event (picking in a gaus(mean,sigma)). | |
58 | /// | |
59 | /// Output can be just digits, or digits + raw (ddl), or digits + raw (ddl) | |
60 | /// + raw (date files, one per LDC), depending of ctor and MakeDDL() method. | |
61 | /// | |
62 | /// \author L. Aphecetche | |
63 | //----------------------------------------------------------------------------- | |
64 | ||
65 | /// \cond CLASSIMP | |
66 | ClassImp(AliMUONPedestalEventGenerator) | |
67 | /// \endcond | |
68 | ||
69 | Int_t AliMUONPedestalEventGenerator::fgCounter(0); | |
70 | ||
71 | //std::streambuf* RedirectTo(std::ostream& what, std::ostream& to) | |
72 | //{ | |
73 | // std::streambuf* old = what.rdbuf(); | |
74 | // | |
75 | // std::streambuf* psbuf = to.rdbuf(); | |
76 | // what.rdbuf(psbuf); | |
77 | // | |
78 | // return old; | |
79 | //} | |
80 | ||
81 | //_____________________________________________________________________________ | |
82 | AliMUONPedestalEventGenerator::AliMUONPedestalEventGenerator(Int_t runNumber, | |
83 | Int_t nevents, | |
84 | const char* filename) | |
85 | : TTask("AliMUONPedestalEventGenerator","Generate fake pedestal events"), | |
86 | fCalibrationData(new AliMUONCalibrationData(runNumber)), | |
87 | fDateFileName(filename), | |
88 | fGAliceFileName("galice.root"), | |
89 | fMakeDDL(kTRUE), | |
90 | fLoader(0x0), | |
91 | fPedestals(fCalibrationData->Pedestals()), | |
92 | fDigitStore(0x0), | |
93 | fRawWriter(0x0) | |
94 | { | |
95 | /// Will generate pedestals according to (mean,sigma)s found in CDB | |
96 | /// for run runNumber. | |
97 | /// Will generate nevents events | |
98 | /// If filename is != "", it will be the basename of the output LDC files | |
99 | /// | |
100 | if (!gSystem->IsAbsoluteFileName(fGAliceFileName)) | |
101 | { | |
102 | char* absFileName = gSystem->ConcatFileName(gSystem->WorkingDirectory(), | |
103 | fGAliceFileName); | |
104 | fGAliceFileName = absFileName; | |
105 | delete[] absFileName; | |
106 | } | |
107 | ||
108 | AliRunLoader* runLoader = LoadRun("recreate"); | |
109 | if (!runLoader) | |
110 | { | |
111 | AliError("Could not create RunLoader"); | |
112 | return; | |
113 | } | |
114 | ||
115 | runLoader->SetNumberOfEventsPerFile(nevents); | |
116 | ||
117 | // Initialize event headers. | |
118 | runLoader->MakeTree("E"); | |
119 | ||
120 | for ( Int_t iEvent = 0; iEvent < nevents; ++iEvent ) | |
121 | { | |
122 | runLoader->SetEventNumber(iEvent); | |
123 | runLoader->GetHeader()->Reset(runNumber,iEvent); | |
124 | runLoader->TreeE()->Fill(); | |
125 | } | |
126 | runLoader->WriteHeader("OVERWRITE"); | |
127 | runLoader->CdGAFile(); | |
128 | runLoader->Write(0, TObject::kOverwrite); | |
129 | ||
130 | delete runLoader; | |
131 | fLoader = 0x0; | |
132 | } | |
133 | ||
134 | ||
135 | //_____________________________________________________________________________ | |
136 | AliMUONPedestalEventGenerator::~AliMUONPedestalEventGenerator() | |
137 | { | |
138 | /// dtor | |
139 | delete fCalibrationData; | |
140 | AliInfo(Form("make a digit counter %d",fgCounter)); | |
141 | delete fDigitStore; | |
142 | delete fRawWriter; | |
143 | } | |
144 | ||
145 | //_____________________________________________________________________________ | |
146 | Bool_t | |
147 | AliMUONPedestalEventGenerator::ConvertRawFilesToDate() | |
148 | { | |
149 | /// convert raw data DDL files to DATE files with the program "dateStream". | |
150 | /// we make one file per LDC | |
151 | ||
152 | AliCodeTimerAuto("",0) | |
153 | ||
154 | AliInfo("Converting raw to date"); | |
155 | ||
156 | const Int_t kIDet = AliDAQ::DetectorID("MUONTRK"); | |
157 | ||
158 | const Int_t kNLDCs = 5;//TMath::CeilNint(AliDAQ::NumberOfLdcs(kIDet)); | |
159 | ||
160 | char* path = gSystem->Which(gSystem->Getenv("PATH"), "dateStream"); | |
161 | if (!path) | |
162 | { | |
163 | AliError("the program dateStream was not found"); | |
164 | return kFALSE; | |
165 | } | |
166 | ||
167 | delete[] path; | |
168 | ||
169 | AliRunLoader* runLoader = LoadRun("read"); | |
170 | if (!runLoader) return kFALSE; | |
171 | ||
172 | AliInfo(Form("converting raw data DDL files to DATE files %s", fDateFileName.Data())); | |
173 | FILE** pipe = new FILE*[kNLDCs]; | |
174 | ||
175 | for ( Int_t iFile = 0; iFile < kNLDCs; ++iFile) | |
176 | { | |
177 | char command[256]; | |
178 | // Note the option -s. It is used in order to avoid | |
179 | // the generation of SOR/EOR events. | |
180 | snprintf(command, 256, "dateStream -c -D -o %s.LDC%d -# %d -C", | |
181 | fDateFileName.Data(), iFile, runLoader->GetNumberOfEvents()); | |
182 | pipe[iFile] = gSystem->OpenPipe(command, "w"); | |
183 | } | |
184 | ||
185 | for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); ++iEvent) | |
186 | { | |
187 | Float_t ldc = 0; | |
188 | Int_t prevLDC = -1; | |
189 | ||
190 | for (Int_t iDDL = 0; iDDL < AliDAQ::NumberOfDdls(kIDet); ++iDDL) | |
191 | { | |
192 | Int_t ddlID = AliDAQ::DdlID(kIDet,iDDL); | |
193 | Int_t ldcID = Int_t(ldc + 0.0001); | |
194 | ldc += AliDAQ::NumberOfLdcs(kIDet) / AliDAQ::NumberOfDdls(kIDet); | |
195 | ||
196 | char rawFileName[256]; | |
197 | snprintf(rawFileName, 256, "raw%d/%s", | |
198 | iEvent, AliDAQ::DdlFileName(kIDet,iDDL)); | |
199 | ||
200 | // check existence and size of raw data file | |
201 | FILE* file = fopen(rawFileName, "rb"); | |
202 | if (!file) continue; | |
203 | fseek(file, 0, SEEK_END); | |
204 | unsigned long size = ftell(file); | |
205 | fclose(file); | |
206 | if (!size) continue; | |
207 | ||
208 | if (ldcID != prevLDC) { | |
209 | fprintf(pipe[ldcID], " LDC Id %d\n", ldcID); | |
210 | prevLDC = ldcID; | |
211 | } | |
212 | fprintf(pipe[ldcID], " Equipment Id %d Payload %s\n", ddlID, rawFileName); | |
213 | } | |
214 | } | |
215 | ||
216 | Int_t result(0); | |
217 | ||
218 | for ( Int_t iFile = 0; iFile < kNLDCs; ++iFile) | |
219 | { | |
220 | result += gSystem->ClosePipe(pipe[iFile]); | |
221 | } | |
222 | ||
223 | for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); ++iEvent) | |
224 | { | |
225 | char command[256]; | |
226 | snprintf(command, 256, "rm -r raw%d", iEvent); | |
227 | gSystem->Exec(command); | |
228 | } | |
229 | ||
230 | delete [] pipe; | |
231 | delete runLoader; | |
232 | fLoader=0x0; | |
233 | return (result == 0); | |
234 | } | |
235 | ||
236 | //_____________________________________________________________________________ | |
237 | AliMUONVDigitStore* | |
238 | AliMUONPedestalEventGenerator::DigitStore() | |
239 | { | |
240 | /// Return digt container; create it if it does not exist | |
241 | ||
242 | if (!fDigitStore) fDigitStore = AliMUONVDigitStore::Create("AliMUONDigitStoreV2R"); | |
243 | return fDigitStore; | |
244 | } | |
245 | ||
246 | //_____________________________________________________________________________ | |
247 | void | |
248 | AliMUONPedestalEventGenerator::Exec(Option_t*) | |
249 | { | |
250 | /// Main steering method | |
251 | ||
252 | AliCodeTimerAuto("",0) | |
253 | ||
254 | if (!fPedestals) | |
255 | { | |
256 | AliError("No pedestal store. Cannot proceed."); | |
257 | return; | |
258 | } | |
259 | ||
260 | AliRunLoader* runLoader = LoadRun("update"); | |
261 | ||
262 | Int_t nevents = runLoader->GetNumberOfEvents(); | |
263 | ||
264 | for ( Int_t i = 0; i < nevents ; ++i ) | |
265 | { | |
266 | runLoader->GetEvent(i); | |
267 | ||
268 | fLoader->MakeDigitsContainer(); | |
269 | TTree* treeD = fLoader->TreeD(); | |
270 | if (!treeD) | |
271 | { | |
272 | AliError(Form("Could not get TreeD for event %d",i)); | |
273 | continue; | |
274 | } | |
275 | ||
276 | DigitStore()->Connect(*treeD); | |
277 | ||
278 | GenerateDigits(*(DigitStore())); | |
279 | ||
280 | // Fill the output treeD | |
281 | treeD->Fill(); | |
282 | ||
283 | // Write to the output tree(D). | |
284 | // Please note that as GlobalTrigger, LocalTrigger and Digits are in the same | |
285 | // tree (=TreeD) in different branches, this WriteDigits in fact writes all of | |
286 | // the 3 branches. | |
287 | ||
288 | AliCodeTimerStart("WriteDigits") | |
289 | fLoader->WriteDigits("OVERWRITE"); | |
290 | AliCodeTimerStop("WriteDigits") | |
291 | ||
292 | fLoader->UnloadDigits(); | |
293 | ||
294 | if ( fMakeDDL ) | |
295 | { | |
296 | AliCodeTimerAuto("Digits2Raw",1); | |
297 | Digits2Raw(i); | |
298 | } | |
299 | } | |
300 | ||
301 | runLoader->WriteRunLoader("OVERWRITE"); | |
302 | delete runLoader; | |
303 | fLoader = 0x0; | |
304 | ||
305 | // Finally, if instructed to do so, convert DDL files to DATE file(s) | |
306 | if ( fMakeDDL && fDateFileName.Length() > 0 ) | |
307 | { | |
308 | AliCodeTimerAuto("ConvertRawFilesToDate",1) | |
309 | Bool_t dateOutput = ConvertRawFilesToDate(); | |
310 | if (!dateOutput) | |
311 | { | |
312 | AliError("DATE output failed. Exiting."); | |
313 | return; | |
314 | } | |
315 | } | |
316 | } | |
317 | ||
318 | //_____________________________________________________________________________ | |
319 | void | |
320 | AliMUONPedestalEventGenerator::Digits2Raw(Int_t event) | |
321 | { | |
322 | /// Converts digits (from MUON.Digits.root file) to Raw DDL ascii files. | |
323 | ||
324 | AliCodeTimerAuto("",0) | |
325 | ||
326 | if (!fRawWriter) | |
327 | { | |
328 | AliRawDataHeaderSim header; | |
329 | fRawWriter = new AliMUONRawWriter; | |
330 | fRawWriter->SetHeader(header); | |
331 | } | |
332 | ||
333 | // Generate RAW data from the digits | |
334 | // Be carefull to create&change to the correct directory first... | |
335 | ||
336 | TString baseDir = gSystem->WorkingDirectory(); | |
337 | ||
338 | char dirName[256]; | |
339 | snprintf(dirName, 256, "raw%d", event); | |
340 | gSystem->MakeDirectory(dirName); | |
341 | if (!gSystem->ChangeDirectory(dirName)) | |
342 | { | |
343 | AliError(Form("couldn't change to directory %s", dirName)); | |
344 | return; | |
345 | } | |
346 | ||
347 | fRawWriter->Digits2Raw(DigitStore(),0); | |
348 | ||
349 | gSystem->ChangeDirectory(baseDir); | |
350 | } | |
351 | ||
352 | //_____________________________________________________________________________ | |
353 | void | |
354 | AliMUONPedestalEventGenerator::GenerateDigits(AliMUONVDigitStore& digitStore) | |
355 | { | |
356 | /// Generate digits (where ADC is set to pedestal value) for all MUON TRK | |
357 | /// and for 1 event. | |
358 | ||
359 | AliCodeTimerAuto("",0) | |
360 | ||
361 | digitStore.Clear(); | |
362 | ||
363 | Int_t ngenerated(0); | |
364 | Int_t nmanus(0); | |
365 | TIter next(fPedestals->CreateIterator()); | |
366 | AliMUONVCalibParam* pedestals; | |
367 | ||
368 | while ( ( pedestals = static_cast<AliMUONVCalibParam*>(next())) ) | |
369 | { | |
370 | Int_t detElemId = pedestals->ID0(); | |
371 | Int_t manuId = pedestals->ID1(); | |
372 | ||
373 | AliMpDetElement* de = AliMpDEStore::Instance()->GetDetElement(detElemId); | |
374 | AliMp::PlaneType planeType = AliMp::kBendingPlane; | |
375 | if ( manuId & AliMpConstants::ManuMask(AliMp::kNonBendingPlane) ) | |
376 | { | |
377 | planeType = AliMp::kNonBendingPlane; | |
378 | } | |
379 | AliMp::CathodType cathode = de->GetCathodType(planeType); | |
380 | ||
381 | ++nmanus; | |
382 | ||
383 | for ( Int_t manuChannel = 0; manuChannel < pedestals->Size(); ++manuChannel ) | |
384 | { | |
385 | Float_t mean = pedestals->ValueAsFloat(manuChannel,0); | |
386 | if (mean == AliMUONVCalibParam::InvalidFloatValue()) | |
387 | { | |
388 | // This is a poor's man way of knowing if that channel really exists. | |
389 | // Better and safer way (but much slower too) would be to check pad existence | |
390 | // using AliMpVSegmentation::PadByLocation(manuId,manuChannel) | |
391 | continue; | |
392 | } | |
393 | else if ( mean < 1 || mean > 4095 ) | |
394 | { | |
395 | AliFatal(Form("Got an invalid mean pedestal value for DE %d Manu %d" | |
396 | " channel %d : mean = %e",detElemId,manuId,manuChannel, | |
397 | mean)); | |
398 | } | |
399 | else | |
400 | { | |
401 | Float_t sigma = pedestals->ValueAsFloat(manuChannel,1); | |
402 | ||
403 | if ( sigma < 0 ) | |
404 | { | |
405 | AliWarning(Form("Got a negative sigma pedestal value for DE %d Manu %d" | |
406 | " channel %d : sigma = %e, will use Abs()=%e", | |
407 | detElemId,manuId,manuChannel, | |
408 | sigma,-sigma)); | |
409 | sigma = -sigma; | |
410 | } | |
411 | ||
412 | AliMUONVDigit* d = digitStore.Add(detElemId,manuId,manuChannel, | |
413 | cathode, | |
414 | AliMUONVDigitStore::kIgnore); | |
415 | ||
416 | Float_t ped = -1; | |
417 | while ( ped <= 0 ) | |
418 | { | |
419 | ped = gRandom->Gaus(mean,sigma); | |
420 | } | |
421 | Int_t pedADC = TMath::FloorNint(ped); | |
422 | ||
423 | d->SetADC(pedADC); | |
424 | d->SetCharge(ped); | |
425 | // we do not set the remaining parts of the digit, as in principle | |
426 | // this is all we need : manuId, manuChannel and ADC, as far as | |
427 | // real data is concerned. | |
428 | ++fgCounter; | |
429 | ++ngenerated; | |
430 | } | |
431 | } | |
432 | } | |
433 | AliDebug(1,Form("ngenerated=%d nmanus=%d",ngenerated,nmanus)); | |
434 | } | |
435 | ||
436 | //_____________________________________________________________________________ | |
437 | AliRunLoader* | |
438 | AliMUONPedestalEventGenerator::LoadRun(const char* mode) | |
439 | { | |
440 | /// Get access to AliRunLoader object | |
441 | while (AliRunLoader::Instance()) | |
442 | { | |
443 | AliDebug(1,Form("Deleting AliRunLoader %p",AliRunLoader::Instance())); | |
444 | delete AliRunLoader::Instance(); | |
445 | } | |
446 | ||
447 | AliRunLoader* runLoader = | |
448 | AliRunLoader::Open(fGAliceFileName,AliConfig::GetDefaultEventFolderName(), | |
449 | mode); | |
450 | ||
451 | AliDebug(1,Form("AliRunLoader(%s)=%p",mode,runLoader)); | |
452 | ||
453 | if (!runLoader) | |
454 | { | |
455 | AliError("No run loader found in file galice.root"); | |
456 | return 0x0; | |
457 | } | |
458 | ||
459 | TString smode(mode); | |
460 | smode.ToUpper(); | |
461 | ||
462 | if (smode.Contains("RECREATE")) | |
463 | { | |
464 | AliInfo("Creating folder structure"); | |
465 | AliConfig::Instance() | |
466 | ->CreateDetectorFolders(runLoader->GetEventFolder(), | |
467 | "MUON", "MUON"); | |
468 | fLoader = new AliLoader("MUON",runLoader->GetEventFolder()); | |
469 | runLoader->AddLoader(fLoader); | |
470 | } | |
471 | ||
472 | fLoader = static_cast<AliLoader*>(runLoader->GetDetectorLoader("MUON")); | |
473 | ||
474 | return runLoader; | |
475 | } |