1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
18 ///////////////////////////////////////////////////////////////////////////////
20 // This class for running the Central Trigger Processor //
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 //
28 // Check the trigger classes //
29 // Create the class mask //
33 ///////////////////////////////////////////////////////////////////////////////
36 #include <TObjString.h>
37 #include <TObjArray.h>
38 #include <TStopwatch.h>
44 #include "AliRunLoader.h"
45 #include "AliModule.h"
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"
56 #include "AliCDBManager.h"
57 #include "AliCDBPath.h"
58 #include "AliCDBEntry.h"
60 ClassImp( AliCentralTrigger )
62 //_____________________________________________________________________________
63 AliCentralTrigger::AliCentralTrigger() :
69 // Default constructor
73 //_____________________________________________________________________________
74 AliCentralTrigger::AliCentralTrigger( TString & config ) :
80 // Default constructor
81 LoadConfiguration( config );
84 //_____________________________________________________________________________
85 AliCentralTrigger::~AliCentralTrigger()
88 DeleteConfiguration();
91 //_____________________________________________________________________________
92 void AliCentralTrigger::DeleteConfiguration()
94 // Delete the active configuration
98 if (IsOwner()) delete fConfiguration;
103 //_____________________________________________________________________________
104 void AliCentralTrigger::Reset()
106 // Reset Class Mask and classes
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 );
120 //_____________________________________________________________________________
121 void AliCentralTrigger::MakeBranch( TString name, TTree * tree )
123 // Make a branch to store only trigger class mask event by event
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:fClusterMask/i" );
131 branch->SetAutoDelete( kFALSE );
134 AliDebug( 1, "Got Branch from Tree" );
135 branch->SetAddress( &(this->fClassMask) );
140 //_____________________________________________________________________________
141 Bool_t AliCentralTrigger::LoadConfiguration( TString & config )
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"
147 // Delete the active configuration, if any
148 DeleteConfiguration();
150 // Load the selected configuration
151 if (!config.IsNull()) {
152 fConfiguration = AliTriggerConfiguration::LoadConfiguration( config );
157 AliError( Form( "Valid TriggerConfiguration (%s) is not found ! Disabling the trigger simulation !", config.Data() ) );
162 // Load one and only one trigger descriptor from CDB
163 AliInfo( "Getting trigger configuration from OCDB!" );
165 AliCDBPath path( "GRP", "CTP", "Config" );
167 AliCDBEntry *entry=AliCDBManager::Instance()->Get(path.GetPath());
169 if( !entry ) AliFatal( "Couldn't load trigger description data from CDB!" );
171 fConfiguration = (AliTriggerConfiguration *)entry->GetObject();
175 AliError( "No valid configuration is found in the CDB ! Disabling the trigger simulation !" );
181 //_____________________________________________________________________________
182 TString AliCentralTrigger::GetDetectors()
184 // return TString with the detectors (modules) to be used for triggering
189 result = fConfiguration->GetTriggeringModules();
194 //_____________________________________________________________________________
195 Bool_t AliCentralTrigger::RunTrigger( AliRunLoader* runLoader, const char *detectors )
199 if( !fConfiguration ) {
200 AliError( "No trigger configuration loaded, skipping trigger" );
204 TTree *tree = runLoader->TreeCT();
206 AliError( "No folder with trigger loaded, skipping trigger" );
210 TStopwatch stopwatch;
213 AliInfo( Form(" Triggering Detectors: %s \n", GetDetectors().Data() ) );
214 AliInfo( Form(" Detectors with digits: %s \n", detectors ) );
216 // Process each event
217 for( Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++ ) {
218 AliInfo( Form("Processing event %d", iEvent) );
219 runLoader->GetEvent( iEvent );
220 // Get detectors involve
221 TString detStr = GetDetectors();
222 TString detWithDigits = detectors;
223 TObjArray* detArray = runLoader->GetAliRun()->Detectors();
227 // Reset configuration object (inputs and classes)
228 fConfiguration->Reset();
229 TObjArray trgdetArray; // use as garbage collector
230 for( Int_t iDet = 0; iDet < detArray->GetEntriesFast(); iDet++ ) {
231 AliModule* det = (AliModule*) detArray->At( iDet );
232 if( !det || !det->IsActive() ) continue;
233 if( IsSelected(det->GetName(), detStr) &&
234 IsSelected(det->GetName(), detWithDigits) ) {
236 AliDebug(1,Form("Triggering from digits for %s", det->GetName() ) );
237 AliTriggerDetector* trgdet = det->CreateTriggerDetector();
238 trgdet->CreateInputs(fConfiguration->GetInputs());
239 TStopwatch stopwatchDet;
240 stopwatchDet.Start();
242 AliDebug(1, Form("Execution time for %s: R:%.2fs C:%.2fs",
243 det->GetName(), stopwatchDet.RealTime(), stopwatchDet.CpuTime() ) );
245 trgdetArray.AddLast( trgdet );
247 // Write trigger detector in Event folder in Digits file
248 TString loadername = det->GetName();
249 loadername.Append( "Loader" );
250 AliLoader * loader = runLoader->GetLoader( loadername );
252 AliDataLoader * dataLoader = loader->GetDigitsDataLoader();
253 if( !dataLoader->IsFileOpen() ) {
254 if( dataLoader->OpenFile( "UPDATE" ) ) {
255 AliWarning( Form( "\n\nCan't write trigger for %s\n", det->GetName() ) );
259 if( gFile && !gFile->IsWritable() ) {
260 gFile->ReOpen( "UPDATE" );
263 trgdet->Write( "Trigger", TObject::kOverwrite );
264 dataLoader->CloseFile();
266 else AliWarning( Form( "Not loader found for %s", det->GetName() ) );
270 // Check trigger conditions and create the trigger class mask
273 // Clear trigger detectors
274 trgdetArray.SetOwner();
275 trgdetArray.Delete();
277 if( (detStr.CompareTo( "ALL" ) != 0) && !detStr.IsNull() ) {
278 AliError( Form("the following detectors were not found: %s",
285 AliInfo( Form("Trigger Class Mask:0x%X", fClassMask ) );
289 // cout << endl << " Print " << endl;
293 runLoader->WriteTrigger( "OVERWRITE" );
298 //_____________________________________________________________________________
299 ULong64_t AliCentralTrigger::TriggerClasses()
301 // Check trigger conditions and create the trigger class
302 // and trigger cluster masks
305 if (fConfiguration) {
306 const TObjArray& classesArray = fConfiguration->GetClasses();
307 Int_t nclasses = classesArray.GetEntriesFast();
308 for( Int_t j=0; j<nclasses; j++ ) {
309 AliTriggerClass* trclass = (AliTriggerClass*)classesArray.At( j );
310 trclass->Trigger( fConfiguration->GetInputs(), fConfiguration->GetFunctions() );
311 fClassMask |= trclass->GetValue();
312 if (trclass->GetStatus()) {
313 AliTriggerCluster *trclust = trclass->GetCluster();
314 fClusterMask |= AliDAQ::DetectorPattern(trclust->GetDetectorsInCluster());
320 //_____________________________________________________________________________
321 TObjArray* AliCentralTrigger::GetFiredClasses() const
323 // return only the true conditions
325 TObjArray* result = new TObjArray();
327 if (fConfiguration) {
328 const TObjArray& classesArray = fConfiguration->GetClasses();
329 Int_t nclasses = classesArray.GetEntriesFast();
330 for( Int_t j=0; j<nclasses; j++ ) {
331 AliTriggerClass* trclass = (AliTriggerClass*)classesArray.At( j );
332 if( trclass->GetStatus() ) result->AddLast( trclass );
339 //_____________________________________________________________________________
340 void AliCentralTrigger::Print( const Option_t* ) const
343 cout << "Central Trigger: " << endl;
344 cout << " Trigger Class Mask: 0x" << hex << fClassMask << dec << endl;
345 if (fConfiguration) fConfiguration->Print();
350 //////////////////////////////////////////////////////////////////////////////
353 //_____________________________________________________________________________
354 Bool_t AliCentralTrigger::IsSelected( TString detName, TString& detectors ) const
356 // check whether detName is contained in detectors
357 // if yes, it is removed from detectors
359 // check if all detectors are selected
360 if( (detectors.CompareTo("ALL") == 0 ) ||
361 detectors.BeginsWith("ALL ") ||
362 detectors.EndsWith(" ALL") ||
363 detectors.Contains(" ALL ") ) {
368 // search for the given detector
369 Bool_t result = kFALSE;
370 if( (detectors.CompareTo( detName ) == 0) ||
371 detectors.BeginsWith( detName+" " ) ||
372 detectors.EndsWith( " "+detName ) ||
373 detectors.Contains( " "+detName+" " ) ) {
374 detectors.ReplaceAll( detName, "" );
378 // clean up the detectors string
379 while( detectors.Contains(" ") ) detectors.ReplaceAll( " ", " " );
380 while( detectors.BeginsWith(" ") ) detectors.Remove( 0, 1 );
381 while( detectors.EndsWith(" ") ) detectors.Remove( detectors.Length()-1, 1 );
386 //_____________________________________________________________________________
387 Bool_t AliCentralTrigger::CheckTriggeredDetectors() const
389 // Check the trigger mask, finds which trigger classes
390 // have been fired, load the corresponding trigger clusters and
391 // finally makes a list of the detectors that have been readout
392 // for each particular event. This list is then compared to the
393 // one stored in fClusterMask. Return value:
394 // true = two lists are equal
395 // false = two lists are not equal meaning wrong trigger config
398 if (!fConfiguration) {
399 AliError("The trigger confiration has not yet been loaded! Cross-check is not possible!");
404 // Make a cross-check so that to exclude wrong trigger configuration used
405 // Loop over the trigger classes
406 UInt_t clusterMask = 0;
407 const TObjArray& classesArray = fConfiguration->GetClasses();
408 Int_t nclasses = classesArray.GetEntriesFast();
409 for( Int_t j=0; j<nclasses; j++ ) {
410 AliTriggerClass* trclass = (AliTriggerClass*)classesArray.At( j );
411 if (trclass->GetMask() & fClassMask) { // class was fired
412 AliTriggerCluster *trclust = trclass->GetCluster();
413 clusterMask |= AliDAQ::DetectorPattern(trclust->GetDetectorsInCluster());
416 // Compare the stored cluster mask with the one
417 // that we get from trigger classes
418 if (clusterMask != fClusterMask) {
419 if ((clusterMask & fClusterMask) == clusterMask) {
420 AliInfo(Form("Cluster mask from trigger classes (%x) and from data (%x) differ. Concurrent DAQ run(s) could be the reason.",
421 (UInt_t)clusterMask,(UInt_t)fClusterMask));
425 AliError(Form("Wrong cluster mask from trigger classes (%x), expecting (%x)! Loaded trigger configuration is possibly wrong!",
426 (UInt_t)clusterMask,(UInt_t)fClusterMask));