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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 | /////////////////////////////////////////////////////////////////////////////// | |
19 | // // | |
20 | // This class for running the Central Trigger Processor // | |
21 | // // | |
22 | // // | |
23 | // Load Configuration // | |
24 | // Make a list the trigger detectors involved (from the classes) // | |
25 | // For the each event // | |
26 | // Run the Trigger for the each detector // | |
27 | // Get the inputs // | |
28 | // Check the trigger classes // | |
29 | // Create the class mask // | |
30 | // Save result // | |
31 | // // | |
32 | // // | |
33 | /////////////////////////////////////////////////////////////////////////////// | |
34 | ||
35 | #include <TString.h> | |
36 | #include <TObjString.h> | |
37 | #include <TObjArray.h> | |
38 | #include <TStopwatch.h> | |
39 | #include <TFile.h> | |
40 | #include <TTree.h> | |
41 | ||
42 | #include "AliLog.h" | |
43 | #include "AliRun.h" | |
44 | #include "AliRunLoader.h" | |
45 | #include "AliModule.h" | |
46 | ||
47 | #include "AliTriggerInput.h" | |
48 | #include "AliTriggerDetector.h" | |
49 | #include "AliTriggerConfiguration.h" | |
50 | #include "AliTriggerClass.h" | |
51 | #include "AliTriggerCluster.h" | |
52 | #include "AliCentralTrigger.h" | |
53 | #include "AliDetectorEventHeader.h" | |
54 | #include "AliHeader.h" | |
55 | ||
56 | #include "AliCDBManager.h" | |
57 | #include "AliCDBPath.h" | |
58 | #include "AliCDBEntry.h" | |
59 | ||
60 | ClassImp( AliCentralTrigger ) | |
61 | ||
62 | //_____________________________________________________________________________ | |
63 | AliCentralTrigger::AliCentralTrigger() : | |
64 | TObject(), | |
65 | fClassMask(0), | |
66 | fClusterMask(0), | |
67 | fL0TriggerInputs(0), | |
68 | fL1TriggerInputs(0), | |
69 | fL2TriggerInputs(0), | |
70 | fConfiguration(NULL) | |
71 | { | |
72 | // Default constructor | |
73 | SetOwner(); | |
74 | } | |
75 | ||
76 | //_____________________________________________________________________________ | |
77 | AliCentralTrigger::AliCentralTrigger( TString & config ) : | |
78 | TObject(), | |
79 | fClassMask(0), | |
80 | fClusterMask(0), | |
81 | fL0TriggerInputs(0), | |
82 | fL1TriggerInputs(0), | |
83 | fL2TriggerInputs(0), | |
84 | fConfiguration(NULL) | |
85 | { | |
86 | // Default constructor | |
87 | LoadConfiguration( config ); | |
88 | } | |
89 | ||
90 | //_____________________________________________________________________________ | |
91 | AliCentralTrigger::~AliCentralTrigger() | |
92 | { | |
93 | // Destructor | |
94 | DeleteConfiguration(); | |
95 | } | |
96 | ||
97 | //_____________________________________________________________________________ | |
98 | void AliCentralTrigger::DeleteConfiguration() | |
99 | { | |
100 | // Delete the active configuration | |
101 | fClassMask = 0; | |
102 | fClusterMask = 0; | |
103 | fL0TriggerInputs = 0; | |
104 | fL1TriggerInputs = 0; | |
105 | fL2TriggerInputs = 0; | |
106 | if (fConfiguration) { | |
107 | if (IsOwner()) delete fConfiguration; | |
108 | fConfiguration = 0x0; | |
109 | } | |
110 | } | |
111 | ||
112 | //_____________________________________________________________________________ | |
113 | void AliCentralTrigger::Reset() | |
114 | { | |
115 | // Reset Class Mask and classes | |
116 | fClassMask = 0; | |
117 | fClusterMask = 0; | |
118 | fL0TriggerInputs = 0; | |
119 | fL1TriggerInputs = 0; | |
120 | fL2TriggerInputs = 0; | |
121 | ||
122 | if (fConfiguration) { | |
123 | const TObjArray& classesArray = fConfiguration->GetClasses(); | |
124 | Int_t nclasses = classesArray.GetEntriesFast(); | |
125 | for( Int_t j=0; j<nclasses; j++ ) { | |
126 | AliTriggerClass* trclass = (AliTriggerClass*)classesArray.At( j ); | |
127 | trclass->Reset(); | |
128 | } | |
129 | } | |
130 | } | |
131 | ||
132 | //_____________________________________________________________________________ | |
133 | void AliCentralTrigger::MakeBranch( TString name, TTree * tree ) | |
134 | { | |
135 | // Make a branch to store only trigger class mask event by event | |
136 | ||
137 | if( tree ) { | |
138 | AliDebug( 1, "Got Tree from folder." ); | |
139 | TBranch* branch = tree->GetBranch( name ); | |
140 | if( branch == 0x0 ) { | |
141 | AliDebug( 1, "Creating new branch" ); | |
142 | branch = tree->Branch( name, &(this->fClassMask), "fClassMask/l:fClusterMask/i:fL0TriggerInputs/i:fL1TriggerInputs/i:fL2TriggerInputs/s" ); | |
143 | branch->SetAutoDelete( kFALSE ); | |
144 | } | |
145 | else { | |
146 | AliDebug( 1, "Got Branch from Tree" ); | |
147 | branch->SetAddress( &(this->fClassMask) ); | |
148 | } | |
149 | } | |
150 | } | |
151 | ||
152 | //_____________________________________________________________________________ | |
153 | Bool_t AliCentralTrigger::LoadConfiguration( TString & config ) | |
154 | { | |
155 | // Load one and only one pre-created COnfiguration from database/file that match | |
156 | // with the input string 'config' | |
157 | // Ej: "p-p", "Pb-Pb" or "p-p-DIMUON CALIBRATION-CENTRAL-BARREL" | |
158 | ||
159 | // Delete the active configuration, if any | |
160 | DeleteConfiguration(); | |
161 | ||
162 | // Load the selected configuration | |
163 | if (!config.IsNull()) { | |
164 | fConfiguration = AliTriggerConfiguration::LoadConfiguration( config ); | |
165 | SetOwner(); | |
166 | if(fConfiguration) | |
167 | return kTRUE; | |
168 | else { | |
169 | AliError( Form( "Valid TriggerConfiguration (%s) is not found ! Disabling the trigger simulation !", config.Data() ) ); | |
170 | return kFALSE; | |
171 | } | |
172 | } | |
173 | else { | |
174 | // Load one and only one trigger descriptor from CDB | |
175 | AliInfo( "Getting trigger configuration from OCDB!" ); | |
176 | ||
177 | AliCDBPath path( "GRP", "CTP", "Config" ); | |
178 | ||
179 | AliCDBEntry *entry=AliCDBManager::Instance()->Get(path.GetPath()); | |
180 | SetOwner(kFALSE); | |
181 | if( !entry ) AliFatal( "Couldn't load trigger description data from CDB!" ); | |
182 | ||
183 | fConfiguration = (AliTriggerConfiguration *)entry->GetObject(); | |
184 | if(fConfiguration) | |
185 | return kTRUE; | |
186 | else { | |
187 | AliError( "No valid configuration is found in the CDB ! Disabling the trigger simulation !" ); | |
188 | return kFALSE; | |
189 | } | |
190 | } | |
191 | } | |
192 | ||
193 | //_____________________________________________________________________________ | |
194 | TString AliCentralTrigger::GetDetectors() | |
195 | { | |
196 | // return TString with the detectors (modules) to be used for triggering | |
197 | ||
198 | TString result; | |
199 | ||
200 | if (fConfiguration) | |
201 | result = fConfiguration->GetTriggeringModules(); | |
202 | ||
203 | return result; | |
204 | } | |
205 | ||
206 | //_____________________________________________________________________________ | |
207 | Bool_t AliCentralTrigger::RunTrigger( AliRunLoader* runLoader, const char *detectors ) | |
208 | { | |
209 | // run the trigger | |
210 | ||
211 | if( !fConfiguration ) { | |
212 | AliError( "No trigger configuration loaded, skipping trigger" ); | |
213 | return kFALSE; | |
214 | } | |
215 | ||
216 | TTree *tree = runLoader->TreeCT(); | |
217 | if( !tree ) { | |
218 | AliError( "No folder with trigger loaded, skipping trigger" ); | |
219 | return kFALSE; | |
220 | } | |
221 | ||
222 | TStopwatch stopwatch; | |
223 | stopwatch.Start(); | |
224 | ||
225 | AliInfo( Form(" Triggering Detectors: %s \n", GetDetectors().Data() ) ); | |
226 | AliInfo( Form(" Detectors with digits: %s \n", detectors ) ); | |
227 | ||
228 | // Process each event | |
229 | for( Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++ ) { | |
230 | runLoader->GetEvent( iEvent ); | |
231 | // Get detectors involve | |
232 | TString detStr = GetDetectors(); | |
233 | TString detWithDigits = detectors; | |
234 | TObjArray* detArray = runLoader->GetAliRun()->Detectors(); | |
235 | // Reset Mask | |
236 | fClassMask = 0; | |
237 | fClusterMask = 0; | |
238 | // Reset configuration object (inputs and classes) | |
239 | fConfiguration->Reset(); | |
240 | TObjArray trgdetArray; // use as garbage collector | |
241 | for( Int_t iDet = 0; iDet < detArray->GetEntriesFast(); iDet++ ) { | |
242 | AliModule* det = (AliModule*) detArray->At( iDet ); | |
243 | if( !det || !det->IsActive() ) continue; | |
244 | if( IsSelected(det->GetName(), detStr) && | |
245 | IsSelected(det->GetName(), detWithDigits) ) { | |
246 | ||
247 | AliDebug(1,Form("Triggering from digits for %s", det->GetName() ) ); | |
248 | AliTriggerDetector* trgdet = det->CreateTriggerDetector(); | |
249 | trgdet->AssignInputs(fConfiguration->GetInputs()); | |
250 | TStopwatch stopwatchDet; | |
251 | stopwatchDet.Start(); | |
252 | trgdet->Trigger(); | |
253 | AliDebug(1, Form("Execution time for %s: R:%.2fs C:%.2fs", | |
254 | det->GetName(), stopwatchDet.RealTime(), stopwatchDet.CpuTime() ) ); | |
255 | ||
256 | trgdetArray.AddLast( trgdet ); | |
257 | ||
258 | // Write trigger detector in Event folder in Digits file | |
259 | TString loadername = det->GetName(); | |
260 | loadername.Append( "Loader" ); | |
261 | AliLoader * loader = runLoader->GetLoader( loadername ); | |
262 | if( loader ) { | |
263 | AliDataLoader * dataLoader = loader->GetDigitsDataLoader(); | |
264 | if( !dataLoader->IsFileOpen() ) { | |
265 | if( dataLoader->OpenFile( "UPDATE" ) ) { | |
266 | AliWarning( Form( "\n\nCan't write trigger for %s\n", det->GetName() ) ); | |
267 | } | |
268 | } | |
269 | dataLoader->Cd(); | |
270 | if( gFile && !gFile->IsWritable() ) { | |
271 | gFile->ReOpen( "UPDATE" ); | |
272 | dataLoader->Cd(); | |
273 | } | |
274 | trgdet->Write( "Trigger", TObject::kOverwrite ); | |
275 | dataLoader->CloseFile(); | |
276 | } | |
277 | else AliWarning( Form( "Not loader found for %s", det->GetName() ) ); | |
278 | } | |
279 | } | |
280 | ||
281 | // Check trigger conditions and create the trigger class mask | |
282 | TriggerClasses(); | |
283 | // Calculate trigger Input pattern | |
284 | TriggerInputs(); | |
285 | ||
286 | // Clear trigger detectors | |
287 | trgdetArray.SetOwner(); | |
288 | trgdetArray.Delete(); | |
289 | ||
290 | if( (detStr.CompareTo( "ALL" ) != 0) && !detStr.IsNull() ) { | |
291 | AliError( Form("the following detectors were not found: %s", | |
292 | detStr.Data())); | |
293 | //JF return kFALSE; | |
294 | } | |
295 | ||
296 | // Save trigger mask | |
297 | tree->Fill(); | |
298 | AliDebug(1, Form("Event:%d Class Mask:0x%llX", iEvent,fClassMask ) ); | |
299 | } // end event loop | |
300 | ||
301 | Reset(); | |
302 | // cout << endl << " Print " << endl; | |
303 | // Print(); | |
304 | ||
305 | // Write | |
306 | runLoader->WriteTrigger( "OVERWRITE" ); | |
307 | ||
308 | return kTRUE; | |
309 | } | |
310 | //---------------------------------------------------------------------------- | |
311 | void AliCentralTrigger::TriggerInputs() | |
312 | { | |
313 | // Find which inputs are in configuration | |
314 | // and calculate input pattern | |
315 | fL0TriggerInputs=0; | |
316 | fL1TriggerInputs=0; | |
317 | fL2TriggerInputs=0; | |
318 | if(fConfiguration){ | |
319 | const TObjArray& inputsArray = fConfiguration->GetInputs(); | |
320 | Int_t ninputs = inputsArray.GetEntriesFast(); | |
321 | for( Int_t j=0; j<ninputs; j++ ) { | |
322 | AliTriggerInput* input = (AliTriggerInput*)inputsArray.At( j ); | |
323 | if(input->GetValue()){ | |
324 | UChar_t level=input->GetLevel(); | |
325 | if(level == 0) fL0TriggerInputs |= (input->GetMask()); | |
326 | else if(level == 1) fL1TriggerInputs |= (input->GetMask()); | |
327 | else if(level == 2) fL2TriggerInputs |= (input->GetMask()); | |
328 | else{ | |
329 | AliError(Form("Unknown input level:%c:",level)); | |
330 | } | |
331 | } | |
332 | } | |
333 | } | |
334 | } | |
335 | //_____________________________________________________________________________ | |
336 | ULong64_t AliCentralTrigger::TriggerClasses() | |
337 | { | |
338 | // Check trigger conditions and create the trigger class | |
339 | // and trigger cluster masks | |
340 | fClassMask = 0; | |
341 | fClusterMask = 0; | |
342 | if (fConfiguration) { | |
343 | const TObjArray& classesArray = fConfiguration->GetClasses(); | |
344 | Int_t nclasses = classesArray.GetEntriesFast(); | |
345 | for( Int_t j=0; j<nclasses; j++ ) { | |
346 | AliTriggerClass* trclass = (AliTriggerClass*)classesArray.At( j ); | |
347 | trclass->Trigger( fConfiguration->GetInputs(), fConfiguration->GetFunctions() ); | |
348 | fClassMask |= trclass->GetValue(); | |
349 | if (trclass->GetStatus()) { | |
350 | AliTriggerCluster *trclust = trclass->GetCluster(); | |
351 | fClusterMask |= AliDAQ::DetectorPattern(trclust->GetDetectorsInCluster()); | |
352 | } | |
353 | } | |
354 | } | |
355 | return fClassMask; | |
356 | } | |
357 | //_____________________________________________________________________________ | |
358 | TObjArray* AliCentralTrigger::GetFiredClasses() const | |
359 | { | |
360 | // return only the true conditions | |
361 | ||
362 | TObjArray* result = new TObjArray(); | |
363 | ||
364 | if (fConfiguration) { | |
365 | const TObjArray& classesArray = fConfiguration->GetClasses(); | |
366 | Int_t nclasses = classesArray.GetEntriesFast(); | |
367 | for( Int_t j=0; j<nclasses; j++ ) { | |
368 | AliTriggerClass* trclass = (AliTriggerClass*)classesArray.At( j ); | |
369 | if( trclass->GetStatus() ) result->AddLast( trclass ); | |
370 | } | |
371 | } | |
372 | ||
373 | return result; | |
374 | } | |
375 | ||
376 | //_____________________________________________________________________________ | |
377 | void AliCentralTrigger::Print( const Option_t* ) const | |
378 | { | |
379 | ||
380 | cout << "Central Trigger: " << endl; | |
381 | cout << " Trigger Class Mask: 0x" << hex << fClassMask << dec << endl; | |
382 | if (fConfiguration) fConfiguration->Print(); | |
383 | cout << endl; | |
384 | } | |
385 | ||
386 | ||
387 | ////////////////////////////////////////////////////////////////////////////// | |
388 | // Helper method | |
389 | ||
390 | //_____________________________________________________________________________ | |
391 | Bool_t AliCentralTrigger::IsSelected( TString detName, TString& detectors ) const | |
392 | { | |
393 | // check whether detName is contained in detectors | |
394 | // if yes, it is removed from detectors | |
395 | ||
396 | // check if all detectors are selected | |
397 | if( (detectors.CompareTo("ALL") == 0 ) || | |
398 | detectors.BeginsWith("ALL ") || | |
399 | detectors.EndsWith(" ALL") || | |
400 | detectors.Contains(" ALL ") ) { | |
401 | detectors = "ALL"; | |
402 | return kTRUE; | |
403 | } | |
404 | ||
405 | // search for the given detector | |
406 | Bool_t result = kFALSE; | |
407 | if( (detectors.CompareTo( detName ) == 0) || | |
408 | detectors.BeginsWith( detName+" " ) || | |
409 | detectors.EndsWith( " "+detName ) || | |
410 | detectors.Contains( " "+detName+" " ) ) { | |
411 | detectors.ReplaceAll( detName, "" ); | |
412 | result = kTRUE; | |
413 | } | |
414 | ||
415 | // clean up the detectors string | |
416 | while( detectors.Contains(" ") ) detectors.ReplaceAll( " ", " " ); | |
417 | while( detectors.BeginsWith(" ") ) detectors.Remove( 0, 1 ); | |
418 | while( detectors.EndsWith(" ") ) detectors.Remove( detectors.Length()-1, 1 ); | |
419 | ||
420 | return result; | |
421 | } | |
422 | ||
423 | //_____________________________________________________________________________ | |
424 | Bool_t AliCentralTrigger::CheckTriggeredDetectors() const | |
425 | { | |
426 | // Check the trigger mask, finds which trigger classes | |
427 | // have been fired, load the corresponding trigger clusters and | |
428 | // finally makes a list of the detectors that have been readout | |
429 | // for each particular event. This list is then compared to the | |
430 | // one stored in fClusterMask. Return value: | |
431 | // true = two lists are equal | |
432 | // false = two lists are not equal meaning wrong trigger config | |
433 | // is loaded. | |
434 | ||
435 | if (!fConfiguration) { | |
436 | AliError("The trigger confiration has not yet been loaded! Cross-check is not possible!"); | |
437 | return kFALSE; | |
438 | } | |
439 | else { | |
440 | ||
441 | // Make a cross-check so that to exclude wrong trigger configuration used | |
442 | // Loop over the trigger classes | |
443 | UInt_t clusterMask = 0; | |
444 | const TObjArray& classesArray = fConfiguration->GetClasses(); | |
445 | Int_t nclasses = classesArray.GetEntriesFast(); | |
446 | for( Int_t j=0; j<nclasses; j++ ) { | |
447 | AliTriggerClass* trclass = (AliTriggerClass*)classesArray.At( j ); | |
448 | if (trclass->GetMask() & fClassMask) { // class was fired | |
449 | AliTriggerCluster *trclust = trclass->GetCluster(); | |
450 | clusterMask |= AliDAQ::DetectorPattern(trclust->GetDetectorsInCluster()); | |
451 | } | |
452 | } | |
453 | // Compare the stored cluster mask with the one | |
454 | // that we get from trigger classes | |
455 | if (clusterMask != fClusterMask) { | |
456 | if ((clusterMask & fClusterMask) == clusterMask) { | |
457 | AliInfo(Form("Cluster mask from trigger classes (%x) and from data (%x) differ. Concurrent DAQ run(s) could be the reason.", | |
458 | (UInt_t)clusterMask,(UInt_t)fClusterMask)); | |
459 | return kTRUE; | |
460 | } | |
461 | else { | |
462 | AliError(Form("Wrong cluster mask from trigger classes (%x), expecting (%x)! Loaded trigger configuration is possibly wrong!", | |
463 | (UInt_t)clusterMask,(UInt_t)fClusterMask)); | |
464 | return kFALSE; | |
465 | } | |
466 | } | |
467 | } | |
468 | ||
469 | return kTRUE; | |
470 | } |