Moving instantiating of AliMUONGeometryTransformer from constructor
[u/mrichter/AliRoot.git] / STEER / AliCentralTrigger.cxx
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a5a091ce 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// //
51f6d619 23// Load Configuration //
24// Make a list the trigger detectors involved (from the classes) //
a5a091ce 25// For the each event //
26// Run the Trigger for the each detector //
27// Get the inputs //
51f6d619 28// Check the trigger classes //
a5a091ce 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>
bacbe0fd 39#include <TFile.h>
40#include <TTree.h>
a5a091ce 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"
51f6d619 49#include "AliTriggerConfiguration.h"
50#include "AliTriggerClass.h"
51#include "AliTriggerCluster.h"
a5a091ce 52#include "AliCentralTrigger.h"
bacbe0fd 53#include "AliDetectorEventHeader.h"
54#include "AliHeader.h"
55
51f6d619 56#include "AliCDBManager.h"
57#include "AliCDBPath.h"
58#include "AliCDBEntry.h"
a5a091ce 59
60ClassImp( AliCentralTrigger )
61
62//_____________________________________________________________________________
63AliCentralTrigger::AliCentralTrigger() :
64 TObject(),
75e3794b 65 fClassMask(0),
51f6d619 66 fClusterMask(0),
67 fConfiguration(NULL)
a5a091ce 68{
69 // Default constructor
a5a091ce 70}
71
72//_____________________________________________________________________________
51f6d619 73AliCentralTrigger::AliCentralTrigger( TString & config ) :
a5a091ce 74 TObject(),
75e3794b 75 fClassMask(0),
51f6d619 76 fClusterMask(0),
77 fConfiguration(NULL)
a5a091ce 78{
79 // Default constructor
51f6d619 80 LoadConfiguration( config );
bacbe0fd 81}
82
83//_____________________________________________________________________________
a5a091ce 84AliCentralTrigger::~AliCentralTrigger()
85{
51f6d619 86 // Destructor
87 DeleteConfiguration();
bacbe0fd 88}
89
90//_____________________________________________________________________________
51f6d619 91void AliCentralTrigger::DeleteConfiguration()
bacbe0fd 92{
51f6d619 93 // Delete the active configuration
94 fClassMask = 0;
95 fClusterMask = 0;
96 if (fConfiguration) delete fConfiguration;
a5a091ce 97}
98
99//_____________________________________________________________________________
bacbe0fd 100void AliCentralTrigger::Reset()
101{
51f6d619 102 // Reset Class Mask and classes
bacbe0fd 103 fClassMask = 0;
51f6d619 104 fClusterMask = 0;
105
106 if (fConfiguration) {
107 const TObjArray& classesArray = fConfiguration->GetClasses();
108 Int_t nclasses = classesArray.GetEntriesFast();
109 for( Int_t j=0; j<nclasses; j++ ) {
110 AliTriggerClass* trclass = (AliTriggerClass*)classesArray.At( j );
111 trclass->Reset();
112 }
bacbe0fd 113 }
114}
115
116//_____________________________________________________________________________
117void AliCentralTrigger::MakeBranch( TString name, TTree * tree )
118{
119 // Make a branch to store only trigger class mask event by event
120
121 if( tree ) {
122 AliDebug( 1, "Got Tree from folder." );
123 TBranch* branch = tree->GetBranch( name );
124 if( branch == 0x0 ) {
125 AliDebug( 1, "Creating new branch" );
126 branch = tree->Branch( name, &(this->fClassMask), "fClassMask/l" );
127 branch->SetAutoDelete( kFALSE );
128 }
129 else {
130 AliDebug( 1, "Got Branch from Tree" );
131 branch->SetAddress( &(this->fClassMask) );
132 }
133 }
134}
135
136//_____________________________________________________________________________
51f6d619 137Bool_t AliCentralTrigger::LoadConfiguration( TString & config )
a5a091ce 138{
51f6d619 139 // Load one and only one pre-created COnfiguration from database/file that match
140 // with the input string 'config'
141 // Ej: "p-p", "Pb-Pb" or "p-p-DIMUON CALIBRATION-CENTRAL-BARREL"
142
143 // Delete the active configuration, if any
144 DeleteConfiguration();
145
146 // Load the selected configuration
147 if (!config.IsNull()) {
148 fConfiguration = AliTriggerConfiguration::LoadConfiguration( config );
149 if(fConfiguration)
150 return kTRUE;
151 else {
152 AliError( Form( "Valid TriggerConfiguration (%s) is not found ! Disabling the trigger simulation !", config.Data() ) );
153 return kFALSE;
154 }
155 }
156 else {
157 // Load one and only one trigger descriptor from CDB
158 AliInfo( "GETTING TRIGGER DESCRIPTORS FROM CDB!!!" );
159
160 AliCDBPath path( "GRP", "CTP", "Config" );
161
162 AliCDBEntry *entry=AliCDBManager::Instance()->Get(path.GetPath());
163 if( !entry ) AliFatal( "Couldn't load trigger description data from CDB!" );
164
165 fConfiguration = (AliTriggerConfiguration *)entry->GetObject();
166 if(fConfiguration)
167 return kTRUE;
168 else {
169 AliError( "No valid configuration is found in the CDB ! Disabling the trigger simulation !" );
170 return kFALSE;
171 }
a5a091ce 172 }
a5a091ce 173}
174
175//_____________________________________________________________________________
176TString AliCentralTrigger::GetDetectors()
177{
51f6d619 178 // return TString with the detectors (modules) to be used for triggering
a5a091ce 179
180 TString result;
181
51f6d619 182 if (fConfiguration)
183 result = fConfiguration->GetTriggeringModules();
a5a091ce 184
185 return result;
186}
187
188//_____________________________________________________________________________
189Bool_t AliCentralTrigger::RunTrigger( AliRunLoader* runLoader )
190{
191 // run the trigger
bacbe0fd 192
51f6d619 193 if( !fConfiguration ) {
194 AliError( "No trigger configuration loaded, skipping trigger" );
bacbe0fd 195 return kFALSE;
196 }
197
198 TTree *tree = runLoader->TreeCT();
199 if( !tree ) {
51f6d619 200 AliError( "No folder with trigger loaded, skipping trigger" );
a5a091ce 201 return kFALSE;
202 }
203
204 TStopwatch stopwatch;
205 stopwatch.Start();
bacbe0fd 206
a5a091ce 207 // Process each event
208 for( Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++ ) {
bacbe0fd 209 AliInfo( Form(" ***** Processing event %d *****\n", iEvent) );
210 runLoader->GetEvent( iEvent );
a5a091ce 211 // Get detectors involve
212 TString detStr = GetDetectors();
51f6d619 213 AliInfo( Form(" Triggering Detectors %s \n", detStr.Data() ) );
a5a091ce 214 TObjArray* detArray = runLoader->GetAliRun()->Detectors();
215 // Reset Mask
216 fClassMask = 0;
bacbe0fd 217 TObjArray trgdetArray; // use as garbage collector
a5a091ce 218 for( Int_t iDet = 0; iDet < detArray->GetEntriesFast(); iDet++ ) {
219 AliModule* det = (AliModule*) detArray->At( iDet );
220 if( !det || !det->IsActive() ) continue;
221 if( IsSelected(det->GetName(), detStr) ) {
bacbe0fd 222
223 AliInfo( Form("Triggering from digits for %s", det->GetName() ) );
a5a091ce 224 AliTriggerDetector* trgdet = det->CreateTriggerDetector();
51f6d619 225 trgdet->CreateInputs(fConfiguration->GetInputs());
a5a091ce 226 TStopwatch stopwatchDet;
227 stopwatchDet.Start();
228 trgdet->Trigger();
229 AliInfo( Form("Execution time for %s: R:%.2fs C:%.2fs",
230 det->GetName(), stopwatchDet.RealTime(), stopwatchDet.CpuTime() ) );
bacbe0fd 231
bacbe0fd 232 trgdetArray.AddLast( trgdet );
233
234 // Write trigger detector in Event folder in Digits file
235 TString loadername = det->GetName();
236 loadername.Append( "Loader" );
237 AliLoader * loader = runLoader->GetLoader( loadername );
238 if( loader ) {
239 AliDataLoader * dataLoader = loader->GetDigitsDataLoader();
240 if( !dataLoader->IsFileOpen() ) {
241 if( dataLoader->OpenFile( "UPDATE" ) ) {
242 AliWarning( Form( "\n\nCan't write trigger for %s\n", det->GetName() ) );
243 }
244 }
245 dataLoader->Cd();
246 if( gFile && !gFile->IsWritable() ) {
247 gFile->ReOpen( "UPDATE" );
248 dataLoader->Cd();
249 }
250 trgdet->Write( "Trigger", TObject::kOverwrite );
251 dataLoader->CloseFile();
252 }
253 else AliWarning( Form( "Not loader found for %s", det->GetName() ) );
a5a091ce 254 }
255 }
256
257 // Check trigger conditions and create the trigger class mask
51f6d619 258 TriggerClasses();
bacbe0fd 259
a5a091ce 260 // Clear trigger detectors
261 trgdetArray.SetOwner();
262 trgdetArray.Delete();
263
264 if( (detStr.CompareTo( "ALL" ) != 0) && !detStr.IsNull() ) {
265 AliError( Form("the following detectors were not found: %s",
266 detStr.Data()));
e229562b 267 //JF return kFALSE;
a5a091ce 268 }
269
bacbe0fd 270 // Save trigger mask
271 tree->Fill();
272 AliInfo( Form("**************** Central Trigger Class Mask:0x%X", fClassMask ) );
a5a091ce 273 } // end event loop
a5a091ce 274
bacbe0fd 275 Reset();
276// cout << endl << " Print " << endl;
277// Print();
278
279 // Write
280 runLoader->WriteTrigger( "OVERWRITE" );
a5a091ce 281
bacbe0fd 282 return kTRUE;
283}
a5a091ce 284
285//_____________________________________________________________________________
51f6d619 286ULong64_t AliCentralTrigger::TriggerClasses()
a5a091ce 287{
51f6d619 288 // Check trigger conditions and create the trigger class
289 // and trigger cluster masks
290 if (fConfiguration) {
291 const TObjArray& classesArray = fConfiguration->GetClasses();
292 Int_t nclasses = classesArray.GetEntriesFast();
293 for( Int_t j=0; j<nclasses; j++ ) {
294 AliTriggerClass* trclass = (AliTriggerClass*)classesArray.At( j );
295 trclass->Trigger( fConfiguration->GetInputs(), fConfiguration->GetFunctions() );
296 fClassMask |= trclass->GetValue();
297 if (trclass->GetStatus())
298 fClusterMask |= (trclass->GetCluster())->GetClusterMask();
299 }
300 }
301 return fClassMask;
a5a091ce 302}
303//_____________________________________________________________________________
51f6d619 304TObjArray* AliCentralTrigger::GetFiredClasses() const
a5a091ce 305{
306 // return only the true conditions
307
308 TObjArray* result = new TObjArray();
309
51f6d619 310 if (fConfiguration) {
311 const TObjArray& classesArray = fConfiguration->GetClasses();
312 Int_t nclasses = classesArray.GetEntriesFast();
313 for( Int_t j=0; j<nclasses; j++ ) {
314 AliTriggerClass* trclass = (AliTriggerClass*)classesArray.At( j );
315 if( trclass->GetStatus() ) result->AddLast( trclass );
316 }
a5a091ce 317 }
318
319 return result;
320}
321
a5a091ce 322//_____________________________________________________________________________
323void AliCentralTrigger::Print( const Option_t* ) const
324{
325 // Print
326 cout << "Central Trigger: " << endl;
327 cout << " Trigger Class Mask: 0x" << hex << fClassMask << dec << endl;
51f6d619 328 if (fConfiguration) fConfiguration->Print();
a5a091ce 329 cout << endl;
330}
331
332
333//////////////////////////////////////////////////////////////////////////////
334// Helper method
335
336//_____________________________________________________________________________
337Bool_t AliCentralTrigger::IsSelected( TString detName, TString& detectors ) const
338{
339 // check whether detName is contained in detectors
340 // if yes, it is removed from detectors
341
342 // check if all detectors are selected
343 if( (detectors.CompareTo("ALL") == 0 ) ||
344 detectors.BeginsWith("ALL ") ||
345 detectors.EndsWith(" ALL") ||
346 detectors.Contains(" ALL ") ) {
347 detectors = "ALL";
348 return kTRUE;
349 }
350
351 // search for the given detector
352 Bool_t result = kFALSE;
353 if( (detectors.CompareTo( detName ) == 0) ||
354 detectors.BeginsWith( detName+" " ) ||
355 detectors.EndsWith( " "+detName ) ||
356 detectors.Contains( " "+detName+" " ) ) {
357 detectors.ReplaceAll( detName, "" );
358 result = kTRUE;
359 }
360
361 // clean up the detectors string
362 while( detectors.Contains(" ") ) detectors.ReplaceAll( " ", " " );
363 while( detectors.BeginsWith(" ") ) detectors.Remove( 0, 1 );
364 while( detectors.EndsWith(" ") ) detectors.Remove( detectors.Length()-1, 1 );
365
366 return result;
367}