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