2 /**************************************************************************
3 * This file is property of and copyright by the ALICE HLT Project *
4 * ALICE Experiment at CERN, All rights reserved. *
6 * Primary Authors: Artur Szostak <artursz@iafrica.com> *
7 * for The ALICE HLT Project. *
9 * Permission to use, copy, modify and distribute this software and its *
10 * documentation strictly for non-commercial purposes is hereby granted *
11 * without fee, provided that the above copyright notice appears in all *
12 * copies and that both the copyright notice and this permission notice *
13 * appear in the supporting documentation. The authors make no claims *
14 * about the suitability of this software for any purpose. It is *
15 * provided "as is" without express or implied warranty. *
16 **************************************************************************/
18 /// @file AliHLTGlobalTriggerComponent.cxx
19 /// @author Artur Szostak <artursz@iafrica.com>
21 /// @brief Implementation of the AliHLTGlobalTriggerComponent component class.
23 /// The AliHLTGlobalTriggerComponentComponent class applies the global HLT trigger to all
24 /// trigger information produced by components deriving from AliHLTTrigger.
26 #include "AliHLTGlobalTriggerComponent.h"
27 #include "AliHLTGlobalTriggerDecision.h"
28 #include "AliHLTGlobalTrigger.h"
29 #include "AliHLTGlobalTriggerConfig.h"
30 #include "AliHLTTriggerMenu.h"
31 #include "AliHLTCTPData.h"
32 #include "AliCDBManager.h"
33 #include "AliCDBStorage.h"
34 #include "AliCDBEntry.h"
39 #include "TClonesArray.h"
40 #include "TObjString.h"
42 #include "TInterpreter.h"
52 ClassImp(AliHLTGlobalTriggerComponent)
54 const char* AliHLTGlobalTriggerComponent::fgkTriggerMenuCDBPath = "HLT/ConfigHLT/HLTGlobalTrigger";
60 * This method is used as a comparison functor with the STL sort routines.
62 bool AliHLTDescendingNumbers(UInt_t a, UInt_t b)
69 AliHLTGlobalTriggerComponent::AliHLTGlobalTriggerComponent() :
73 fRuntimeCompile(true),
74 fDeleteCodeFile(false),
78 fBufferSizeConst(2*(sizeof(AliHLTGlobalTriggerDecision) + sizeof(AliHLTReadoutList))),
79 fBufferSizeMultiplier(1.),
80 fIncludePaths(TObjString::Class()),
81 fIncludeFiles(TObjString::Class()),
86 // Default constructor.
88 ClearInfoForNewEvent(false);
92 AliHLTGlobalTriggerComponent::~AliHLTGlobalTriggerComponent()
94 // Default destructor.
96 if (fTrigger != NULL) delete fTrigger;
99 fCTPDecisions->Delete();
100 delete fCTPDecisions;
105 void AliHLTGlobalTriggerComponent::GetOutputDataTypes(AliHLTComponentDataTypeList& list) const
107 // Returns the kAliHLTDataTypeGlobalTrigger type as output.
108 list.push_back(kAliHLTDataTypeGlobalTrigger);
112 void AliHLTGlobalTriggerComponent::GetOutputDataSize(unsigned long& constBase, double& inputMultiplier)
114 // Returns the output data size estimate.
116 constBase = fBufferSizeConst;
117 inputMultiplier = fBufferSizeMultiplier;
121 Int_t AliHLTGlobalTriggerComponent::DoInit(int argc, const char** argv)
123 // Initialises the global trigger component.
128 fDeleteCodeFile = false;
129 const char* configFileName = NULL;
130 const char* codeFileName = NULL;
131 fIncludePaths.Clear();
132 fIncludeFiles.Clear();
133 SetBit(kIncludeInput);
134 fDataEventsOnly = true;
136 for (int i = 0; i < argc; i++)
138 if (strcmp(argv[i], "-config") == 0)
140 if (configFileName != NULL)
142 HLTWarning("Trigger configuration macro was already specified."
143 " Will replace previous value given by -config."
148 HLTError("The trigger configuration macro filename was not specified." );
151 configFileName = argv[i+1];
156 if (strcmp(argv[i], "-includepath") == 0)
160 HLTError("The include path was not specified." );
165 new (fIncludePaths[fIncludePaths.GetEntriesFast()]) TObjString(argv[i+1]);
167 catch (const std::bad_alloc&)
169 HLTError("Could not allocate more memory for the fIncludePaths array.");
176 if (strcmp(argv[i], "-include") == 0)
180 HLTError("The include file name was not specified." );
185 new (fIncludeFiles[fIncludeFiles.GetEntriesFast()]) TObjString(argv[i+1]);
187 catch (const std::bad_alloc&)
189 HLTError("Could not allocate more memory for the fIncludeFiles array.");
196 if (strcmp(argv[i], "-debug") == 0)
198 if (fDebugMode == true)
200 HLTWarning("The debug flag was already specified. Ignoring this instance.");
206 if (strcmp(argv[i], "-cint") == 0)
208 fRuntimeCompile = false;
212 if (strcmp(argv[i], "-usecode") == 0)
214 if (codeFileName != NULL)
216 HLTWarning("Custom trigger code file was already specified."
217 " Will replace previous value given by -usecode."
222 HLTError("The custom trigger code filename was not specified." );
225 codeFileName = argv[i+1];
228 HLTError("The custom trigger class name was not specified." );
231 fClassName = argv[i+2];
236 if (strcmp(argv[i], "-skipctp") == 0)
238 HLTInfo("Skipping CTP counters in trigger decision");
243 if (strcmp(argv[i], "-forward-input") == 0)
245 HLTInfo("Forwarding input objects and trigger decisions");
246 SetBit(kForwardInput);
247 SetBit(kIncludeShort);
248 SetBit(kIncludeInput, false);
252 if (strstr(argv[i], "-include-input") == argv[i])
254 SetBit(kForwardInput,false);
255 TString param=argv[i];
256 param.ReplaceAll("-include-input", "");
257 if (param.CompareTo("=none")==0)
259 HLTInfo("skipping objects and trigger decisions");
260 SetBit(kIncludeShort, false);
261 SetBit(kIncludeInput, false);
263 else if (param.CompareTo("=short")==0)
265 HLTInfo("including short info on objects and trigger decisions");
266 SetBit(kIncludeShort);
267 SetBit(kIncludeInput, false);
269 else if (param.CompareTo("=both")==0)
271 HLTInfo("including input objects, trigger decisions and short info");
272 SetBit(kIncludeShort);
273 SetBit(kIncludeInput);
275 else if (param.CompareTo("=objects")==0 || param.IsNull())
277 HLTInfo("including input objects and trigger decisions");
278 SetBit(kIncludeShort, false);
279 SetBit(kIncludeInput);
283 HLTError("unknown parameter '%s' for argument '-include-input'", param.Data());
288 if (strcmp(argv[i], "-process-all-events") == 0)
290 fDataEventsOnly = false;
294 HLTError("Unknown option '%s'.", argv[i]);
298 const AliHLTTriggerMenu* menu = NULL;
299 if (configFileName != NULL)
302 cmd += configFileName;
303 gROOT->ProcessLine(cmd);
304 menu = AliHLTGlobalTriggerConfig::Menu();
307 // Try load the trigger menu from the CDB if it is not loaded yet with the
309 int result = -ENOENT;
312 result = LoadTriggerMenu(fgkTriggerMenuCDBPath, menu);
316 HLTError("No trigger menu configuration found or specified.");
320 if (codeFileName == NULL)
322 result = GenerateTrigger(menu, fClassName, fCodeFileName, fIncludePaths, fIncludeFiles);
323 if (result == 0) fDeleteCodeFile = true;
327 result = LoadTriggerClass(codeFileName, fIncludePaths);
328 if (result == 0) fCodeFileName = codeFileName;
330 if (result != 0) return result;
334 fTrigger = AliHLTGlobalTrigger::CreateNew(fClassName.Data());
336 catch (const std::bad_alloc&)
338 HLTError("Could not allocate memory for the AliHLTGlobalTrigger instance.");
341 if (fTrigger == NULL)
343 HLTError("Could not create a new instance of '%s'.", fClassName.Data());
347 fTrigger->FillFromMenu(*menu);
348 if (fTrigger->CallFailed()) return -EPROTO;
350 // setup the CTP accounting in AliHLTComponent
353 // Set the default values from the trigger menu.
354 SetDescription(menu->DefaultDescription());
355 SetTriggerDomain(menu->DefaultTriggerDomain());
361 Int_t AliHLTGlobalTriggerComponent::DoDeinit()
363 // Cleans up the global trigger component.
365 if (fTrigger != NULL)
372 fCTPDecisions->Delete();
373 delete fCTPDecisions;
377 Int_t result = UnloadTriggerClass(fCodeFileName);
378 if (result != 0) return result;
380 if (fDeleteCodeFile and !fCodeFileName.IsNull() && gSystem->AccessPathName(fCodeFileName)==0 && !fDebugMode) {
381 fCodeFileName.ReplaceAll(".cxx", "*");
382 TString command="rm "; command+=fCodeFileName;
383 gSystem->Exec(command);
386 fDeleteCodeFile=false;
392 AliHLTComponent* AliHLTGlobalTriggerComponent::Spawn()
394 // Creates a new object instance.
395 AliHLTComponent* comp = NULL;
398 comp = new AliHLTGlobalTriggerComponent;
400 catch (const std::bad_alloc&)
402 HLTError("Could not allocate memory for a new instance of AliHLTGlobalTriggerComponent.");
409 int AliHLTGlobalTriggerComponent::DoTrigger()
411 // This method will apply the global trigger decision.
413 if (fTrigger == NULL)
415 HLTFatal("Global trigger implementation object is NULL!");
419 AliHLTUInt32_t eventType=0;
420 if (!IsDataEvent(&eventType)) {
421 if (eventType==gkAliEventTypeEndOfRun) PrintStatistics(fTrigger, kHLTLogImportant, 0);
424 IgnoreEvent(); // dont generate any trigger decision.
429 // Copy the trigger counters in case we need to set them back to their original
430 // value because the PushBack method fails with ENOSPC.
431 TArrayL64 originalCounters = fTrigger->GetCounters();
432 if (fTrigger->CallFailed()) return -EPROTO;
434 fTrigger->NewEvent();
435 if (fTrigger->CallFailed()) return -EPROTO;
437 // Fill in the input data.
438 const TObject* obj = GetFirstInputObject();
441 fTrigger->Add(obj, GetDataType(), GetSpecification());
442 if (fTrigger->CallFailed()) return -EPROTO;
443 obj = GetNextInputObject();
446 // add trigger decisions for every CTP class
447 const AliHLTCTPData* pCTPData=CTPData();
449 AddCTPDecisions(fTrigger, pCTPData, GetTriggerData());
452 // Calculate the global trigger result and trigger domain, then create and push
453 // back the new global trigger decision object.
455 AliHLTTriggerDomain triggerDomain;
456 bool triggerResult = fTrigger->CalculateTriggerDecision(triggerDomain, description);
457 if (fTrigger->CallFailed()) return -EPROTO;
458 AliHLTGlobalTriggerDecision decision(
460 // The following will cause the decision to be generated with default values
461 // (set in fTriggerDomain and fDescription) if the trigger result is false.
462 (triggerResult == true) ? triggerDomain : GetTriggerDomain(),
463 (triggerResult == true) ? description.Data() : GetDescription()
466 decision.SetCounters(fTrigger->GetCounters(), GetEventCount()+1);
467 if (fTrigger->CallFailed()) return -EPROTO;
469 TClonesArray shortInfo(TNamed::Class(), GetNumberOfInputBlocks());
471 // Add the input objects used to make the global decision.
472 obj = GetFirstInputObject();
475 const AliHLTTriggerDecision* intrig = dynamic_cast<const AliHLTTriggerDecision*>(obj);
477 if (TestBit(kForwardInput)) Forward(obj);
479 if (TestBit(kIncludeInput))
483 decision.AddTriggerInput(*intrig);
487 // The const_cast should be safe in this case because the list of inputObjects
488 // will be added to the global decision with AddInputObjectRef, which only
489 // modifies the kCanDelete bit and nothing else.
490 // This is necessary since GetFirstInputObject only returns const objects.
491 decision.AddInputObjectRef( const_cast<TObject*>(obj) );
495 if (TestBit(kIncludeShort))
497 int entries = shortInfo.GetEntriesFast();
500 new (shortInfo[entries]) TNamed(obj->GetName(), obj->GetTitle());
502 catch (const std::bad_alloc&)
504 HLTError("Could not allocate more memory for the short list of input objects.");
509 shortInfo[entries]->SetBit(BIT(16)); // indicate that this is a trigger decision
510 shortInfo[entries]->SetBit(BIT(15), intrig->Result());
514 obj = GetNextInputObject();
516 if (TestBit(kIncludeShort)) decision.AddInputObjectRef(&shortInfo);
518 // The const_cast should be safe in this case because AddInputObjectRef just
519 // modifies the kCanDelete bit and nothing else.
520 if (!TestBit(kSkipCTP) && CTPData()) decision.AddInputObjectRef(const_cast<AliHLTCTPData*>(CTPData()));
522 static UInt_t lastTime=0;
524 if (time.Get()-lastTime>60) {
526 PrintStatistics(fTrigger, kHLTLogImportant);
529 // add readout filter to event done data
530 CreateEventDoneReadoutFilter(decision.TriggerDomain(), 3);
531 // add monitoring filter to event done data
532 CreateEventDoneReadoutFilter(decision.TriggerDomain(), 4);
533 if (decision.Result()) {
534 // add monitoring event command for triggered events
535 CreateEventDoneReadoutFilter(decision.TriggerDomain(), 5);
537 if (TriggerEvent(&decision) == -ENOSPC)
539 // Increase the estimated buffer space required if the PushBack methods in TriggerEvent
540 // returned the "no buffer space" error code. Also remember to set the trigger counters
541 // back to what they were, otherwise triggers will be double counted when we try to reprocess
542 // this event with larger buffers.
543 fBufferSizeConst += 1024*1024;
544 fBufferSizeMultiplier *= 2.;
545 fTrigger->SetCounters(originalCounters);
546 if (fTrigger->CallFailed()) return -EPROTO;
553 int AliHLTGlobalTriggerComponent::Reconfigure(const char* cdbEntry, const char* chainId)
555 // Reconfigure the component by loading the trigger menu and recreating the
556 // trigger logic class.
558 const char* path = fgkTriggerMenuCDBPath;
559 const char* id = "(unknown)";
560 if (cdbEntry != NULL) path = cdbEntry;
561 if (chainId != NULL and chainId[0] != '\0') id = chainId;
562 HLTInfo("Reconfiguring from '%s' for chain component '%s'.", path, id);
564 const AliHLTTriggerMenu* menu = NULL;
565 int result = LoadTriggerMenu(path, menu);
566 if (result != 0) return result;
569 TString codeFileName;
570 result = GenerateTrigger(menu, className, codeFileName, fIncludePaths, fIncludeFiles);
571 if (result != 0) return result;
573 AliHLTGlobalTrigger* trigger = NULL;
576 trigger = AliHLTGlobalTrigger::CreateNew(className.Data());
578 catch (const std::bad_alloc&)
580 HLTError("Could not allocate memory for the AliHLTGlobalTrigger instance.");
585 HLTError("Could not create a new instance of '%s'.", className.Data());
586 // Make sure to cleanup after the new code file.
587 UnloadTriggerClass(codeFileName);
588 if (not codeFileName.IsNull() and gSystem->AccessPathName(codeFileName)==0 and not fDebugMode)
590 codeFileName.ReplaceAll(".cxx", "*");
591 TString command="rm "; command+=codeFileName;
592 gSystem->Exec(command);
597 if (fTrigger != NULL)
604 fTrigger->FillFromMenu(*menu);
605 if (fTrigger->CallFailed()) return -EPROTO;
607 // Set the default values from the trigger menu.
608 SetDescription(menu->DefaultDescription());
609 SetTriggerDomain(menu->DefaultTriggerDomain());
611 // Cleanup the old class code.
612 UnloadTriggerClass(fCodeFileName);
613 if (fDeleteCodeFile and not fCodeFileName.IsNull() and gSystem->AccessPathName(fCodeFileName)==0 and not fDebugMode)
615 fCodeFileName.ReplaceAll(".cxx", "*");
616 TString command="rm "; command+=fCodeFileName;
617 gSystem->Exec(command);
619 fCodeFileName = codeFileName;
620 fDeleteCodeFile = true; // Since we generated a new class.
626 int AliHLTGlobalTriggerComponent::LoadTriggerMenu(const char* cdbPath, const AliHLTTriggerMenu*& menu)
628 // Loads the trigger menu object from the CDB path.
630 HLTDebug("Trying to load trigger menu from '%s'.", cdbPath);
631 if (AliCDBManager::Instance() == NULL)
633 HLTError("CDB manager object not found.");
636 AliCDBStorage* store = AliCDBManager::Instance()->GetDefaultStorage();
639 HLTError("Could not get the the default storage for the CDB.");
642 Int_t version = store->GetLatestVersion(cdbPath, GetRunNo());
643 Int_t subVersion = store->GetLatestSubVersion(cdbPath, GetRunNo(), version);
644 AliCDBEntry* entry = AliCDBManager::Instance()->Get(cdbPath, GetRunNo(), version, subVersion);
647 HLTError("Could not get the CDB entry for \"%s\".", cdbPath);
650 TObject* obj = entry->GetObject();
653 HLTError("Configuration object for \"%s\" is missing.", cdbPath);
656 if (obj->IsA() != AliHLTTriggerMenu::Class())
658 HLTError("Wrong type for configuration object in \"%s\". Found a %s but we expect a AliHLTTriggerMenu.",
659 cdbPath, obj->ClassName()
663 menu = static_cast<AliHLTTriggerMenu*>(obj);
668 int AliHLTGlobalTriggerComponent::GenerateTrigger(
669 const AliHLTTriggerMenu* menu, TString& name, TString& filename,
670 const TClonesArray& includePaths, const TClonesArray& includeFiles
673 // Generates the global trigger class that will implement the specified trigger menu.
674 // See header for more details.
676 HLTDebug("Generating custom HLT trigger class named %s using trigger menu %p.", name.Data(), ((void*)menu));
678 // Create a new UUID and replace the '-' characters with '_' to make it a valid
681 TString uuidstr = uuid.AsString();
682 for (Int_t i = 0; i < uuidstr.Length(); i++)
684 if (uuidstr[i] == '-') uuidstr[i] = '_';
687 // Create the name of the new class.
688 name = "AliHLTGlobalTriggerImpl_";
690 filename = name + ".cxx";
692 // Open a text file to write the code and generate the new class.
693 fstream code(filename.Data(), ios_base::out | ios_base::trunc);
696 HLTError("Could not open file '%s' for writing.", filename.Data());
700 TClonesArray symbols(AliHLTTriggerMenuSymbol::Class());
701 int result = BuildSymbolList(menu, symbols);
702 if (result != 0) return result;
704 code << "#if !defined(__CINT__) || defined(__MAKECINT__)" << endl;
705 code << "#include <cstring>" << endl;
706 code << "#include \"TClass.h\"" << endl;
707 code << "#include \"TString.h\"" << endl;
708 code << "#include \"TClonesArray.h\"" << endl;
709 code << "#include \"AliHLTLogging.h\"" << endl;
710 code << "#include \"AliHLTGlobalTrigger.h\"" << endl;
711 code << "#include \"AliHLTGlobalTriggerDecision.h\"" << endl;
712 code << "#include \"AliHLTDomainEntry.h\"" << endl;
713 code << "#include \"AliHLTTriggerDomain.h\"" << endl;
714 code << "#include \"AliHLTReadoutList.h\"" << endl;
715 code << "#include \"AliHLTTriggerMenu.h\"" << endl;
716 code << "#include \"AliHLTTriggerMenuItem.h\"" << endl;
717 code << "#include \"AliHLTTriggerMenuSymbol.h\"" << endl;
719 // Add any include files that were specified on the command line.
720 for (Int_t i = 0; i < includeFiles.GetEntriesFast(); i++)
722 TString file = static_cast<TObjString*>(includeFiles.UncheckedAt(i))->String();
723 code << "#include \"" << file.Data() << "\"" << endl;
728 code << "#else" << endl;
729 code << "const char* gFunctionName = \"???\";" << endl;
730 code << "#define HLTDebug(msg) if (CheckFilter(kHLTLogDebug) && CheckGroup(Class_Name())) SendMessage(kHLTLogDebug, Class_Name(), ::gFunctionName, __FILE__, __LINE__, msg)" << endl;
732 code << "#endif" << endl;
734 code << "class " << name << " :" << endl;
735 // Add appropriate #ifdef sections since we need to prevent inheritance from
736 // AliHLTGlobalTrigger. CINT does not seem to support multiple inheritance nor
737 // multiple levels of inheritance. Neither of the following schemes worked:
739 // 1) class AliHLTGlobalTrigger : public AliHLTLogging {};
740 // class AliHLTGlobalTriggerImpl_xyz : public AliHLTGlobalTrigger {};
742 // 2) class AliHLTGlobalTrigger {};
743 // class AliHLTGlobalTriggerImpl_xyz : public AliHLTGlobalTrigger, public AliHLTLogging {};
745 // Thus, we are forced to just inherit from AliHLTLogging when running in the CINT
746 // interpreter. But we anyway have to call the global trigger implementation class
747 // through the AliHLTGlobalTriggerWrapper so this is not such a problem.
748 code << "#if !defined(__CINT__) || defined(__MAKECINT__)" << endl;
749 code << " public AliHLTGlobalTrigger," << endl;
750 code << "#endif" << endl;
751 code << " public AliHLTLogging" << endl;
753 code << "public:" << endl;
755 // Generate constructor method.
756 code << " " << name << "() :" << endl;
757 code << "#if !defined(__CINT__) || defined(__MAKECINT__)" << endl;
758 code << " AliHLTGlobalTrigger()," << endl;
759 code << "#endif" << endl;
760 code << " AliHLTLogging()";
761 // Write the symbols in the trigger menu in the initialisation list.
762 for (Int_t i = 0; i < symbols.GetEntriesFast(); i++)
765 AliHLTTriggerMenuSymbol* symbol = static_cast<AliHLTTriggerMenuSymbol*>( symbols.UncheckedAt(i) );
766 code << " " << symbol->Name() << "()," << endl;
767 if (strcmp(symbol->ObjectClass(), "AliHLTTriggerDecision") == 0)
769 code << " " << symbol->Name() << "TriggerDomain()," << endl;
771 code << " " << symbol->Name() << "DomainEntry(kAliHLTAnyDataType)";
773 for (UInt_t i = 0; i < menu->NumberOfItems(); i++)
775 code << "," << endl << " fMenuItemDescription" << i << "()";
777 code << endl << " {" << endl;
780 code << "#ifdef __CINT__" << endl;
781 code << " gFunctionName = \"" << name.Data() <<"\";" << endl;
782 code << "#endif" << endl;
783 code << " SetLocalLoggingLevel(kHLTLogAll);" << endl;
784 code << " HLTDebug(Form(\"Creating new instance at %p.\", this));" << endl;
786 code << " }" << endl;
788 code << " virtual ~" << name << "() {" << endl;
791 code << "#ifdef __CINT__" << endl;
792 code << " gFunctionName = \"~" << name.Data() << "\";" << endl;
793 code << "#endif" << endl;
794 code << " HLTDebug(Form(\"Deleting instance at %p.\", this));" << endl;
796 code << " }" << endl;
798 // Generate the FillFromMenu method.
799 code << " virtual void FillFromMenu(const AliHLTTriggerMenu& menu) {" << endl;
802 code << "#ifdef __CINT__" << endl;
803 code << " gFunctionName = \"FillFromMenu\";" << endl;
804 code << "#endif" << endl;
805 code << " HLTDebug(Form(\"Filling description entries from trigger menu for global trigger %p.\", this));" << endl;
807 code << " fCounter.Set(menu.NumberOfItems());" << endl;
808 for (UInt_t i = 0; i < menu->NumberOfItems(); i++)
810 code << " fMenuItemDescription" << i << " = (menu.Item(" << i
811 << ") != NULL) ? menu.Item(" << i << ")->Description() : \"\";" << endl;
815 code << " HLTDebug(Form(\"Finished filling description entries from trigger menu.\"));" << endl;
816 code << " HLTDebug(Form(\"Filling domain entries from trigger menu symbols for global trigger %p.\", this));" << endl;
818 code << " for (Int_t i = 0; i < menu.SymbolArray().GetEntriesFast(); i++) {" << endl;
819 // 30 Oct 2009 - CINT sometimes evaluates the dynamic_cast incorrectly.
820 // Have to use the TClass system for extra protection.
821 code << " if (menu.SymbolArray().UncheckedAt(i) == NULL) continue;" << endl;
822 code << " if (menu.SymbolArray().UncheckedAt(i)->IsA() != AliHLTTriggerMenuSymbol::Class()) continue;" << endl;
823 code << " const AliHLTTriggerMenuSymbol* symbol = dynamic_cast<const"
824 " AliHLTTriggerMenuSymbol*>(menu.SymbolArray().UncheckedAt(i));" << endl;
825 code << " if (symbol == NULL) continue;" << endl;
826 for (Int_t i = 0; i < symbols.GetEntriesFast(); i++)
828 AliHLTTriggerMenuSymbol* symbol = static_cast<AliHLTTriggerMenuSymbol*>( symbols.UncheckedAt(i) );
829 code << " if (strcmp(symbol->RealName(), \"" << symbol->RealName() << "\") == 0) {" << endl;
832 code << " HLTDebug(Form(\"Assinging domain entry value corresponding with symbol '%s' to '%s'.\","
833 " symbol->RealName(), symbol->BlockType().AsString().Data()));" << endl;
835 code << " " << symbol->Name() << "DomainEntry = symbol->BlockType();" << endl;
836 code << " continue;" << endl;
837 code << " }" << endl;
839 code << " }" << endl;
840 // The following is an optimisation where symbols without any assignment operators
841 // are treated as constant and only initialised in FillFromMenu rather than reseting
842 // them in the NewEvent method.
843 // Note: we putting this initialisation into the constructor can lead to seg faults
844 // under CINT interpretation. Thus we must put it into the FillFromMenu method instead.
845 for (Int_t i = 0; i < symbols.GetEntriesFast(); i++)
847 AliHLTTriggerMenuSymbol* symbol = static_cast<AliHLTTriggerMenuSymbol*>( symbols.UncheckedAt(i) );
848 if (TString(symbol->AssignExpression()) != "") continue;
849 if (strcmp(symbol->ObjectClass(), "AliHLTTriggerDecision") == 0) continue;
850 // CINT has problems with the implicit equals operator for complex types, so if
851 // the type has an equals operater we need to write the operator call explicitly.
852 TClass* clas = TClass::GetClass(symbol->Type());
853 if (clas != NULL and clas->GetMethodAny("operator=") != NULL)
855 code << " " << symbol->Name() << ".operator = (" << symbol->DefaultValue() << ");" << endl;
859 code << " " << symbol->Name() << " = " << symbol->DefaultValue() << ";" << endl;
864 code << " HLTDebug(Form(\"Finished filling domain entries from trigger menu symbols.\"));" << endl;
866 code << " }" << endl;
868 // Generate the NewEvent method.
869 code << " virtual void NewEvent() {" << endl;
872 code << "#ifdef __CINT__" << endl;
873 code << " gFunctionName = \"NewEvent\";" << endl;
874 code << "#endif" << endl;
875 code << " HLTDebug(Form(\"New event for global trigger object %p, initialising variables to default values.\", this));" << endl;
877 // Write code to initialise the symbols in the trigger menu to their default values.
878 for (Int_t i = 0; i < symbols.GetEntriesFast(); i++)
880 AliHLTTriggerMenuSymbol* symbol = static_cast<AliHLTTriggerMenuSymbol*>( symbols.UncheckedAt(i) );
881 // The following is an optimisation. If the symbol does not have an assignment expression
882 // then it is effectively a constant symbol and can be initialised earlier and only once.
883 // In this case we initialise it in the FillFromMenu method instead.
884 if (TString(symbol->AssignExpression()) == "") continue;
885 // CINT has problems with the implicit equals operator for complex types, so if
886 // the type has an equals operater we need to write the operator call explicitly.
887 TClass* clas = TClass::GetClass(symbol->Type());
888 if (clas != NULL and clas->GetMethodAny("operator=") != NULL)
890 code << " " << symbol->Name() << ".operator = (" << symbol->DefaultValue() << ");" << endl;
894 code << " " << symbol->Name() << " = " << symbol->DefaultValue() << ";" << endl;
896 if (strcmp(symbol->ObjectClass(), "AliHLTTriggerDecision") == 0)
898 code << " " << symbol->Name() << "TriggerDomain.Clear();" << endl;
903 code << " HLTDebug(Form(\"Finished initialising variables.\"));" << endl;
905 code << " }" << endl;
907 // Generate the Add method.
908 bool haveAssignments = false;
909 for (Int_t i = 0; i < symbols.GetEntriesFast(); i++)
911 // First check if we have any symbols with assignment expressions.
912 // This is needed to get rid of the on the fly compilation warning about '_object_' not being used.
913 AliHLTTriggerMenuSymbol* symbol = static_cast<AliHLTTriggerMenuSymbol*>( symbols.UncheckedAt(i) );
914 TString expr = symbol->AssignExpression();
915 if (expr == "") continue; // Skip entries that have no assignment expression.
916 haveAssignments = true;
919 if (haveAssignments or fDebugMode)
921 code << " virtual void Add(const TObject* _object_, const AliHLTComponentDataType& _type_, AliHLTUInt32_t _spec_) {" << endl;
925 code << " virtual void Add(const TObject* /*_object_*/, const AliHLTComponentDataType& _type_, AliHLTUInt32_t _spec_) {" << endl;
929 code << "#ifdef __CINT__" << endl;
930 code << " gFunctionName = \"Add\";" << endl;
931 code << "#endif" << endl;
933 code << " AliHLTDomainEntry _type_spec_(_type_, _spec_);" << endl;
936 code << " HLTDebug(Form(\"Adding TObject %p, with class name '%s' from data block"
937 " '%s', to global trigger object %p\", _object_, _object_->ClassName(),"
938 " _type_spec_.AsString().Data(), this));" << endl;
939 code << " _object_->Print();" << endl;
940 code << " bool _object_assigned_ = false;" << endl;
942 for (Int_t i = 0; i < symbols.GetEntriesFast(); i++)
944 // Write code to check if the block type, specification and class name is correct.
945 // Then write code to assign the variable from the input object.
946 AliHLTTriggerMenuSymbol* symbol = static_cast<AliHLTTriggerMenuSymbol*>( symbols.UncheckedAt(i) );
947 TString expr = symbol->AssignExpression();
948 if (expr == "") continue; // Skip entries that have no assignment expression.
949 bool isTrigDecision = strcmp(symbol->ObjectClass(), "AliHLTTriggerDecision") == 0;
954 code << " HLTDebug(Form(\"Trying to match input object to class '"
955 << symbol->ObjectClass() << "', trigger name '" << symbol->RealName()
956 << "' and block type '%s'\", " << symbol->Name()
957 << "DomainEntry.AsString().Data()));" << endl;
961 code << " HLTDebug(Form(\"Trying to match input object to class '"
962 << symbol->ObjectClass() << "' and block type '%s'\", "
963 << symbol->Name() << "DomainEntry.AsString().Data()));" << endl;
966 // 30 Oct 2009 - CINT sometimes evaluates the dynamic_cast incorrectly.
967 // Have to use the TClass system for extra protection.
968 code << " const " << symbol->ObjectClass() << "* " << symbol->Name() << "_object_ = NULL;" << endl;
969 code << " if (_object_->IsA()->GetBaseClass(\"" << symbol->ObjectClass() << "\") != NULL) " << symbol->Name()
970 << "_object_ = dynamic_cast<const " << symbol->ObjectClass()
971 << "*>(_object_);" << endl;
972 code << " if (" << symbol->Name() << "_object_ != NULL && ";
975 code << "strcmp(" << symbol->Name() << "_object_->Name(), \""
976 << symbol->RealName() << "\") == 0 && ";
978 code << symbol->Name() << "DomainEntry == _type_spec_) {" << endl;
979 TString fullname = symbol->Name();
980 fullname += "_object_";
981 expr.ReplaceAll("this", fullname);
982 code << " this->" << symbol->Name() << " = " << expr.Data() << ";" << endl;
985 code << " this->" << symbol->Name() << "TriggerDomain = "
986 << fullname.Data() << "->TriggerDomain();" << endl;
990 code << " HLTDebug(Form(\"Added TObject %p with class name '%s' to variable "
991 << symbol->Name() << "\", _object_, _object_->ClassName()));" << endl;
992 code << " _object_assigned_ = true;" << endl;
994 code << " }" << endl;
998 code << " if (! _object_assigned_) {" << endl;
999 code << " HLTDebug(Form(\"Did not assign TObject %p"
1000 " with class name '%s' to any variable.\", _object_, _object_->ClassName()));"
1002 code << " }" << endl;
1004 code << " }" << endl;
1006 // Generate the CalculateTriggerDecision method.
1007 // This requires code to be generated that checks which items in the trigger menu
1008 // have their conditions asserted and then the trigger domain is generated from
1009 // those fired items.
1010 // The processing will start from the highest priority trigger group and stop
1011 // after at least one trigger from the current priority group being processed
1012 // is positive. For each priority group all the trigger menu items are checked.
1013 // Their combined trigger condition expression must be true for the trigger priority
1014 // group to be triggered positive. The full condition expression is formed by
1015 // concatenating the individual condition expressions. If no trailing operators are
1016 // used in the individual expressions then the default condition operator is placed
1017 // between two concatenated condition expressions.
1018 // If a trigger priority group has at least one trigger fired then the trigger domain
1019 // is calculated such that it will give the same result as the concatenated trigger
1020 // domain merging expressions for all the individual trigger menu items with
1021 // positive results. Again, if no trailing operators are used in the individual
1022 // merging expressions then the default domain operator is placed between two
1023 // expression fragments.
1024 code << " virtual bool CalculateTriggerDecision(AliHLTTriggerDomain& _domain_, TString& _description_) {" << endl;
1027 code << "#ifdef __CINT__" << endl;
1028 code << " gFunctionName = \"CalculateTriggerDecision\";" << endl;
1029 code << "#endif" << endl;
1030 code << " HLTDebug(Form(\"Calculating global HLT trigger result with trigger object at %p.\", this));" << endl;
1033 // Build a list of priorities used in the trigger menu.
1034 std::vector<UInt_t> priorities;
1035 for (UInt_t i = 0; i < menu->NumberOfItems(); i++)
1037 const AliHLTTriggerMenuItem* item = menu->Item(i);
1038 bool priorityNotInList = std::find(priorities.begin(), priorities.end(), item->Priority()) == priorities.end();
1039 if (priorityNotInList) priorities.push_back(item->Priority());
1041 std::sort(priorities.begin(), priorities.end(), AliHLTDescendingNumbers);
1042 // From the priority list, build the priority groups in the correct order,
1043 // i.e. highest priority first.
1044 // The priority group is a list of vectors of integers. The integers are the
1045 // index numbers into the trigger menu item list for the items which form part
1046 // of the priority group.
1047 std::vector<std::vector<Int_t> > priorityGroup;
1048 priorityGroup.insert(priorityGroup.begin(), priorities.size(), std::vector<Int_t>());
1049 for (size_t n = 0; n < priorities.size(); n++)
1051 UInt_t priority = priorities[n];
1052 for (UInt_t i = 0; i < menu->NumberOfItems(); i++)
1054 const AliHLTTriggerMenuItem* item = menu->Item(i);
1055 if (item->Priority() == priority) priorityGroup[n].push_back(i);
1059 for (size_t n = 0; n < priorityGroup.size(); n++)
1063 code << " HLTDebug(Form(\"Processing trigger priority group " << priorities[n] << "\"));" << endl;
1066 if (n == 0) code << "UInt_t ";
1067 code << "_previous_match_ = 0xFFFFFFFF;" << endl;
1069 if (n == 0) code << "bool ";
1070 code << "_trigger_matched_ = false;" << endl;
1072 if (n == 0) code << "bool ";
1073 code << "_group_result_ = false;" << endl;
1074 std::vector<TString> conditionOperator;
1075 conditionOperator.insert(conditionOperator.begin(), priorityGroup[n].size(), TString(""));
1076 std::vector<TString> domainOperator;
1077 domainOperator.insert(domainOperator.begin(), priorityGroup[n].size(), TString(""));
1078 for (size_t m = 0; m < priorityGroup[n].size(); m++)
1080 UInt_t i = priorityGroup[n][m];
1081 const AliHLTTriggerMenuItem* item = menu->Item(i);
1082 TString triggerCondition = item->TriggerCondition();
1083 TString mergeExpr = item->MergeExpression();
1084 // Replace the symbols found in the trigger condition and merging expressions
1085 // with appropriate compilable versions.
1086 for (Int_t j = 0; j < symbols.GetEntriesFast(); j++)
1088 AliHLTTriggerMenuSymbol* symbol = static_cast<AliHLTTriggerMenuSymbol*>( symbols.UncheckedAt(j) );
1089 bool symbolNamesDifferent = strcmp(symbol->RealName(), symbol->Name()) != 0;
1090 if (strcmp(symbol->ObjectClass(), "AliHLTTriggerDecision") == 0)
1092 TString newname = symbol->Name();
1093 newname += "TriggerDomain";
1094 mergeExpr.ReplaceAll(symbol->RealName(), newname);
1098 if (symbolNamesDifferent) mergeExpr.ReplaceAll(symbol->RealName(), symbol->Name());
1100 if (symbolNamesDifferent) triggerCondition.ReplaceAll(symbol->RealName(), symbol->Name());
1102 // We allow the trigger conditions and merging expressions to have trailing operators.
1103 // Thus, we need to extract the operators and cleanup the expressions so that they will
1104 // compile. This means that we silently ignore the trailing operator if not needed.
1105 if (ExtractedOperator(triggerCondition, conditionOperator[m]))
1107 // If the trailing operator is the same as the default operator then reset
1108 // the value in the operator list so that the default is used in the generated
1109 // code. This creates more compact code.
1110 if (conditionOperator[m] == menu->DefaultConditionOperator()) conditionOperator[m] = "";
1112 if (ExtractedOperator(mergeExpr, domainOperator[m]))
1114 if (domainOperator[m] == menu->DefaultDomainOperator()) domainOperator[m] = "";
1118 code << " HLTDebug(Form(\"Trying trigger condition " << i
1119 << " (Description = '%s').\", fMenuItemDescription" << i << ".Data()));"
1123 if (n == 0 and m == 0) code << "bool ";
1124 code << "_item_result_ = false;" << endl;
1125 code << " if (" << triggerCondition << ") {" << endl;
1126 code << " ++fCounter[" << i << "];" << endl;
1127 const char* indentation = "";
1128 if (item->PreScalar() != 0)
1131 code << " if ((fCounter[" << i << "] % " << item->PreScalar() << ") == 1) {" << endl;
1133 code << indentation << " _item_result_ = true;" << endl;
1136 code << indentation << " HLTDebug(Form(\"Matched trigger condition " << i
1137 << " (Description = '%s').\", fMenuItemDescription" << i << ".Data()));" << endl;
1139 if (item->PreScalar() != 0)
1141 code << " }" << endl;
1143 code << " }" << endl;
1146 // Since this is the first item of the trigger group,
1147 // the generated trigger logic can be simplified a little.
1148 code << " _group_result_ = _item_result_;" << endl;
1149 code << " if (_item_result_) {" << endl;
1150 code << " _domain_ = " << mergeExpr.Data() << ";" << endl;
1151 code << " _description_ = fMenuItemDescription" << i << ";" << endl;
1152 code << " _previous_match_ = " << i << ";" << endl;
1153 code << " _trigger_matched_ = true;" << endl;
1154 code << " }" << endl;
1158 if (conditionOperator[m-1] == "")
1160 code << " _group_result_ = _group_result_ "
1161 << menu->DefaultConditionOperator() << " _item_result_;" << endl;
1165 code << " _group_result_ = _group_result_ "
1166 << conditionOperator[m-1] << " _item_result_;" << endl;
1168 code << " if (_item_result_) {" << endl;
1169 code << " if (_trigger_matched_) {" << endl;
1170 bool switchWillBeEmpty = true;
1171 for (size_t k = 0; k < m; k++)
1173 if (domainOperator[k] == "") continue;
1174 switchWillBeEmpty = false;
1176 if (switchWillBeEmpty)
1178 code << " _domain_ = _domain_ " << menu->DefaultDomainOperator() << " "
1179 << mergeExpr.Data() << ";" << endl;
1183 code << " switch(_previous_match_) {" << endl;
1184 for (size_t k = 0; k < m; k++)
1186 if (domainOperator[k] == "") continue;
1187 code << " case " << k << ": _domain_ = _domain_ "
1188 << domainOperator[k] << " " << mergeExpr.Data() << "; break;" << endl;
1190 code << " default: _domain_ = _domain_ "
1191 << menu->DefaultDomainOperator() << " " << mergeExpr.Data() << ";" << endl;
1192 code << " }" << endl;
1194 code << " _description_ += \",\";" << endl;
1195 code << " _description_ += fMenuItemDescription" << i << ";" << endl;
1196 code << " } else {" << endl;
1197 code << " _domain_ = " << mergeExpr.Data() << ";" << endl;
1198 code << " _description_ = fMenuItemDescription" << i << ";" << endl;
1199 code << " }" << endl;
1200 code << " _previous_match_ = " << i << ";" << endl;
1201 code << " _trigger_matched_ = true;" << endl;
1202 code << " }" << endl;
1205 code << " if (_group_result_) {" << endl;
1208 if (n < priorities.size() - 1)
1210 code << " HLTDebug(Form(\"Matched triggers in trigger priority group " << priorities[n]
1211 << ". Stopping processing here because all other trigger groups have lower priority.\"));" << endl;
1215 code << " HLTDebug(Form(\"Matched triggers in trigger priority group " << priorities[n] << ".\"));" << endl;
1218 code << " return true;" << endl;
1219 code << " }" << endl;
1221 code << " _domain_.Clear();" << endl;
1222 code << " _description_ = \"\";" << endl;
1223 code << " return false;" << endl;
1224 code << " }" << endl;
1226 // Generate getter and setter methods for the counters.
1227 code << " const TArrayL64& GetCounters() const { return fCounter; }" << endl;
1228 code << " void SetCounters(const TArrayL64& counters) { fCounter = counters; }" << endl;
1230 code << "private:" << endl;
1231 // Add the symbols in the trigger menu to the list of private variables.
1232 for (Int_t i = 0; i < symbols.GetEntriesFast(); i++)
1234 AliHLTTriggerMenuSymbol* symbol = static_cast<AliHLTTriggerMenuSymbol*>( symbols.UncheckedAt(i) );
1235 code << " " << symbol->Type() << " " << symbol->Name() << ";" << endl;
1236 if (strcmp(symbol->ObjectClass(), "AliHLTTriggerDecision") == 0)
1238 code << " AliHLTTriggerDomain " << symbol->Name() << "TriggerDomain;" << endl;
1240 code << " AliHLTDomainEntry " << symbol->Name() << "DomainEntry;" << endl;
1242 for (UInt_t i = 0; i < menu->NumberOfItems(); i++)
1244 code << " TString fMenuItemDescription" << i << ";" << endl;
1246 code << " TArrayL64 fCounter;" << endl;
1247 code << "#if !defined(__CINT__) || defined(__MAKECINT__)" << endl;
1248 code << " ClassDef(" << name.Data() << ", 0)" << endl;
1249 code << "#else" << endl;
1250 code << " virtual const char* Class_Name() const { return \"" << name.Data() << "\"; }" << endl;
1251 code << "#endif" << endl;
1252 code << "};" << endl;
1253 code << "#if !defined(__CINT__) || defined(__MAKECINT__)" << endl;
1254 code << "ClassImp(" << name.Data() << ")" << endl;
1255 code << "#endif" << endl;
1259 // Now we need to compile and load the new class.
1260 result = LoadTriggerClass(filename, includePaths);
1265 int AliHLTGlobalTriggerComponent::LoadTriggerClass(
1266 const char* filename, const TClonesArray& includePaths
1269 // Loads the code for a custom global trigger class implementation on the fly.
1271 HLTDebug("Loading HLT trigger class from file '%s'.", filename);
1273 TString compiler = gSystem->GetBuildCompilerVersion();
1274 if (fRuntimeCompile && (compiler.Contains("gcc") or compiler.Contains("icc")))
1276 TString includePath;
1277 #if defined(PKGINCLUDEDIR)
1278 // this is especially for the HLT build system where the package is installed
1279 // in a specific directory including proper treatment of include files
1280 includePath.Form("-I%s", PKGINCLUDEDIR);
1282 // the default AliRoot behavior, all include files can be found in the
1283 // $ALICE_ROOT subfolders
1284 includePath = "-I${ALICE_ROOT}/include -I${ALICE_ROOT}/HLT/BASE -I${ALICE_ROOT}/HLT/trigger";
1286 // Add any include paths that were specified on the command line.
1287 for (Int_t i = 0; i < includePaths.GetEntriesFast(); i++)
1289 TString path = static_cast<TObjString*>(includePaths.UncheckedAt(i))->String();
1290 includePath += " -I";
1291 includePath += path;
1293 HLTDebug("using include settings: %s", includePath.Data());
1294 gSystem->SetIncludePath(includePath);
1295 gSystem->SetFlagsOpt("-O3 -DNDEBUG");
1296 gSystem->SetFlagsDebug("-g3 -DDEBUG -D__DEBUG");
1301 result = gSystem->CompileMacro(filename, "g");
1305 result = gSystem->CompileMacro(filename, "O");
1307 if (result != kTRUE)
1309 HLTFatal("Could not compile and load global trigger menu implementation.");
1315 // Store the library state to be checked later in UnloadTriggerClass.
1316 fLibStateAtLoad = gSystem->GetLibraries();
1318 // If we do not support the compiler then try interpret the class instead.
1319 TString cmd = ".L ";
1321 Int_t errorcode = TInterpreter::kNoError;
1322 gROOT->ProcessLine(cmd, &errorcode);
1323 if (errorcode != TInterpreter::kNoError)
1325 HLTFatal("Could not load interpreted global trigger menu implementation"
1326 " (Interpreter error code = %d).",
1337 int AliHLTGlobalTriggerComponent::UnloadTriggerClass(const char* filename)
1339 // Unloads the code previously loaded by LoadTriggerClass.
1341 HLTDebug("Unloading HLT trigger class in file '%s'.", filename);
1343 TString compiler = gSystem->GetBuildCompilerVersion();
1344 if (fRuntimeCompile && (compiler.Contains("gcc") or compiler.Contains("icc")))
1346 // Generate the library name.
1347 TString libname = filename;
1348 Ssiz_t dotpos = libname.Last('.');
1349 if (0 <= dotpos and dotpos < libname.Length()) libname[dotpos] = '_';
1351 libname += gSystem->GetSoExt();
1353 // This is a workaround for a problem with unloading shared libraries in ROOT.
1354 // If the trigger logic library is loaded before the libAliHLTHOMER.so library
1355 // or any other library is loaded afterwards, then during the gInterpreter->UnloadFile
1356 // call all the subsequent libraries get unloded. This means that any objects created
1357 // from classes implemented in the libAliHLTHOMER.so library will generate segfaults
1358 // since the executable code has been unloaded.
1359 // We need to check if there are any more libraries loaded after the class we
1360 // are unloading and in that case don't unload the class.
1361 TString libstring = gSystem->GetLibraries();
1362 TString token, lastlib;
1364 Int_t numOfLibs = 0, posOfLib = -1;
1365 while (libstring.Tokenize(token, from, " "))
1369 if (token.Contains(libname)) posOfLib = numOfLibs;
1371 if (numOfLibs != posOfLib)
1373 HLTWarning(Form("ROOT limitation! Cannot properly cleanup and unload the shared"
1374 " library '%s' since another library '%s' was loaded afterwards. Trying to"
1375 " unload this library will remove the others and lead to serious memory faults.",
1376 libname.Data(), lastlib.Data()
1383 if ((path = gSystem->DynamicPathName(libname)) != NULL)
1385 result = gInterpreter->UnloadFile(path);
1388 if (result != TInterpreter::kNoError) return -ENOENT;
1392 // This is again a workaround for the problem with unloading files in ROOT.
1393 // If the trigger logic class is loaded before the libAliHLTHOMER.so library
1394 // or any other library is loaded afterwards, then during the gInterpreter->UnloadFile
1395 // call all the subsequent libraries get unloded.
1396 // We need to check if the list of loaded libraries has changed since the last
1397 // call to LoadTriggerClass. If it has then don't unload the class.
1398 if (fLibStateAtLoad != gSystem->GetLibraries())
1400 TString libstring = gSystem->GetLibraries();
1403 while (libstring.Tokenize(token, from, " "))
1405 if (not fLibStateAtLoad.Contains(token)) break;
1407 HLTWarning(Form("ROOT limitation! Cannot properly cleanup and unload the file"
1408 " '%s' since another library '%s' was loaded afterwards. Trying to unload"
1409 " this file will remove the other library and lead to serious memory faults.",
1410 filename, token.Data()
1415 // If we did not compile the trigger logic then remove the interpreted class.
1416 TString cmd = ".U ";
1418 Int_t errorcode = TInterpreter::kNoError;
1419 gROOT->ProcessLine(cmd, &errorcode);
1420 if (errorcode != TInterpreter::kNoError)
1422 HLTFatal("Could not unload interpreted global trigger menu implementation"
1423 " (Interpreter error code = %d).",
1434 int AliHLTGlobalTriggerComponent::FindSymbol(const char* name, const TClonesArray& list)
1436 // Searches for the named symbol in the given list.
1437 // See header for more details.
1439 for (int i = 0; i < list.GetEntriesFast(); i++)
1441 const AliHLTTriggerMenuSymbol* symbol = dynamic_cast<const AliHLTTriggerMenuSymbol*>( list.UncheckedAt(i) );
1442 if (symbol == NULL) continue;
1443 if (strcmp(symbol->Name(), name) == 0) return i;
1449 int AliHLTGlobalTriggerComponent::BuildSymbolList(const AliHLTTriggerMenu* menu, TClonesArray& list)
1451 // Builds the list of symbols to use in the custom global trigger menu
1452 // implementation class.
1453 // See header for more details.
1455 // Note: when we build the symbol list we must use the symbol name as returned
1456 // by the Name() method and not the RealName() method when using FindSymbol.
1457 // This is so that we avoid problems with the generated code not compiling
1458 // because names like "abc-xyz" and "abc_xyz" are synonymous.
1459 // Name() returns the converted C++ symbol name as used in the generated code.
1461 for (UInt_t i = 0; i < menu->NumberOfSymbols(); i++)
1463 const AliHLTTriggerMenuSymbol* symbol = menu->Symbol(i);
1464 if (FindSymbol(symbol->Name(), list) != -1)
1466 HLTError("Multiple symbols with the name '%s' defined in the trigger menu.", symbol->Name());
1471 new (list[list.GetEntriesFast()]) AliHLTTriggerMenuSymbol(*symbol);
1473 catch (const std::bad_alloc&)
1475 HLTError("Could not allocate more memory for the symbols list when adding a trigger menu symbol.");
1480 TRegexp exp("[_a-zA-Z][-_a-zA-Z0-9]*");
1481 TRegexp hexexp("x[a-fA-F0-9]+");
1482 for (UInt_t i = 0; i < menu->NumberOfItems(); i++)
1484 const AliHLTTriggerMenuItem* item = menu->Item(i);
1485 TString str = item->TriggerCondition();
1490 Ssiz_t pos = exp.Index(str, &length, start);
1491 if (pos == kNPOS) break;
1494 // Check if there is a numerical character before the found
1495 // regular expression. If so, then the symbol is not a valid one
1496 // and should be skipped.
1499 bool notValid = false;
1502 case '0': case '1': case '2': case '3': case '4':
1503 case '5': case '6': case '7': case '8': case '9':
1510 if (notValid) continue;
1512 TString s = str(pos, length);
1514 if (s == "and" or s == "and_eq" or s == "bitand" or s == "bitor" or
1515 s == "compl" or s == "not" or s == "not_eq" or s == "or" or
1516 s == "or_eq" or s == "xor" or s == "xor_eq" or s == "true" or
1520 // Ignore iso646.h and other keywords.
1524 // Need to create the symbols first and check if its name is in the list
1525 // before actually adding it to the symbols list.
1526 AliHLTTriggerMenuSymbol newSymbol;
1527 newSymbol.Name(s.Data());
1528 newSymbol.Type("bool");
1529 newSymbol.ObjectClass("AliHLTTriggerDecision");
1530 newSymbol.AssignExpression("this->Result()");
1531 newSymbol.DefaultValue("false");
1532 if (FindSymbol(newSymbol.Name(), list) == -1)
1536 new (list[list.GetEntriesFast()]) AliHLTTriggerMenuSymbol(newSymbol);
1538 catch (const std::bad_alloc&)
1540 HLTError("Could not allocate more memory for the symbols list when adding a trigger name symbol.");
1545 while (start < str.Length());
1552 bool AliHLTGlobalTriggerComponent::ExtractedOperator(TString& expr, TString& op)
1554 // Extracts the trailing operator from the expression.
1557 // First skip the trailing whitespace.
1558 bool whitespace = true;
1559 for (i = expr.Length()-1; i >= 0 and whitespace; i--)
1563 case ' ': case '\t': case '\r': case '\n':
1570 if (i < 0 or whitespace) return false;
1572 // Now find the first whitespace character before the trailing symbol.
1573 bool nonwhitespace = true;
1574 for (; i >= 0 and nonwhitespace; i--)
1578 case ' ': case '\t': case '\r': case '\n':
1579 nonwhitespace = false;
1582 nonwhitespace = true;
1585 if (i < 0 or nonwhitespace) return false;
1587 // Extract the last symbols and check if it is a valid operator.
1590 if (s == "and" or s == "and_eq" or s == "bitand" or s == "bitor" or
1591 s == "compl" or s == "not" or s == "not_eq" or s == "or" or
1592 s == "or_eq" or s == "xor" or s == "xor_eq" or s == "&&" or
1593 s == "&=" or s == "&" or s == "|" or s == "~" or s == "!" or
1594 s == "!=" or s == "||" or s == "|=" or s == "^" or s == "^=" or
1595 s == "==" or s == "+" or s == "-" or s == "*" or s == "/" or
1596 s == "%" or s == ">" or s == "<" or s == ">=" or s == "<="
1608 int AliHLTGlobalTriggerComponent::PrintStatistics(const AliHLTGlobalTrigger* pTrigger, AliHLTComponentLogSeverity level, int offset) const
1610 // print some statistics
1611 int totalEvents=GetEventCount()+offset;
1612 const TArrayL64& counters = pTrigger->GetCounters();
1613 if (pTrigger->CallFailed()) return -EPROTO;
1614 for (int i = 0; i < counters.GetSize(); i++) {
1615 ULong64_t count = counters[i];
1617 if (totalEvents>0) ratio=100*(float)count/totalEvents;
1618 HLTLog(level, "Item %d: total events: %d - counted events: %llu (%.1f%%)", i, totalEvents, count, ratio);
1623 int AliHLTGlobalTriggerComponent::AddCTPDecisions(AliHLTGlobalTrigger* pTrigger, const AliHLTCTPData* pCTPData, const AliHLTComponentTriggerData* trigData)
1625 // add trigger decisions for the valid CTP classes
1626 if (!pCTPData || !pTrigger) return 0;
1628 AliHLTUInt64_t triggerMask=pCTPData->Mask();
1629 AliHLTUInt64_t bit0=0x1;
1630 if (!fCTPDecisions) {
1633 fCTPDecisions=new TClonesArray(AliHLTTriggerDecision::Class(), gkNCTPTriggerClasses);
1635 catch (const std::bad_alloc&)
1637 HLTError("Could not allocate memory for the CTP decisions array.");
1640 if (!fCTPDecisions) return -ENOMEM;
1644 fCTPDecisions->ExpandCreate(gkNCTPTriggerClasses);
1646 catch (const std::bad_alloc&)
1648 HLTError("Could not allocate more memory for the CTP decisions array.");
1651 for (int i=0; i<gkNCTPTriggerClasses; i++) {
1652 const char* name=pCTPData->Name(i);
1653 if (triggerMask&(bit0<<i) && name) {
1654 AliHLTTriggerDecision* pDecision=dynamic_cast<AliHLTTriggerDecision*>(fCTPDecisions->At(i));
1657 delete fCTPDecisions;
1661 pDecision->Name(name);
1666 for (int i=0; i<gkNCTPTriggerClasses; i++) {
1667 const char* name=pCTPData->Name(i);
1668 if ((triggerMask&(bit0<<i))==0 || name==NULL) continue;
1669 AliHLTTriggerDecision* pDecision=dynamic_cast<AliHLTTriggerDecision*>(fCTPDecisions->At(i));
1670 HLTDebug("updating CTP trigger decision %d %s (%p casted %p)", i, name, fCTPDecisions->At(i), pDecision);
1671 if (!pDecision) return -ENOENT;
1674 // 13 March 2010 - Optimisation:
1675 // Dont use the EvaluateCTPTriggerClass method, which uses slow TFormula objects.
1676 AliHLTUInt64_t triggers = 0;
1677 if (trigData) triggers = pCTPData->ActiveTriggers(*trigData);
1678 else triggers = pCTPData->Triggers();
1679 result = (triggers&((AliHLTUInt64_t)0x1<<i)) ? true : false;
1680 //if (trigData) result=pCTPData->EvaluateCTPTriggerClass(name, *trigData);
1681 //else result=pCTPData->EvaluateCTPTriggerClass(name);
1682 pDecision->Result(result);
1683 pDecision->TriggerDomain().Clear();
1684 if (trigData) pDecision->TriggerDomain().Add(pCTPData->ReadoutList(*trigData));
1685 else pDecision->TriggerDomain().Add(pCTPData->ReadoutList());
1687 pTrigger->Add(fCTPDecisions->At(i), kAliHLTDataTypeTriggerDecision, kAliHLTVoidDataSpec);
1688 if (pTrigger->CallFailed()) return -EPROTO;