3 //**************************************************************************
4 //* This file is property of and copyright by the ALICE HLT Project *
5 //* ALICE Experiment at CERN, All rights reserved. *
7 //* Primary Authors: Matthias Richter <Matthias.Richter@ift.uib.no> *
8 //* for The ALICE HLT Project. *
10 //* Permission to use, copy, modify and distribute this software and its *
11 //* documentation strictly for non-commercial purposes is hereby granted *
12 //* without fee, provided that the above copyright notice appears in all *
13 //* copies and that both the copyright notice and this permission notice *
14 //* appear in the supporting documentation. The authors make no claims *
15 //* about the suitability of this software for any purpose. It is *
16 //* provided "as is" without express or implied warranty. *
17 //**************************************************************************
19 /// @file AliHLTMisc.cxx
20 /// @author Matthias Richter
22 /// @brief Miscellaneous methods for the HLT AliRoot integration
24 // define will be set set from configure.ac, but for now it needs
25 // to be set until the changes in STEER have been committed
26 #define HAVE_NOT_ALIESDHLTDECISION
28 #include "AliHLTMiscImplementation.h"
29 #include "AliHLTLogging.h"
30 #include "AliCDBManager.h"
31 #include "AliCDBStorage.h"
32 #include "AliCDBEntry.h"
33 #include "AliGRPManager.h"
34 #include "AliRawReader.h"
35 #include "AliTracker.h"
36 #ifndef HAVE_NOT_ALIESDHLTDECISION
37 #include "AliESDHLTDecision.h"
38 #endif //HAVE_NOT_ALIESDHLTDECISION
39 #include "TGeoGlobalMagField.h"
40 #include "AliHLTGlobalTriggerDecision.h"
42 /** ROOT macro for the implementation of ROOT specific class methods */
43 ClassImp(AliHLTMiscImplementation);
45 AliHLTMiscImplementation::AliHLTMiscImplementation()
49 AliHLTMiscImplementation::~AliHLTMiscImplementation()
51 // see header file for function documentation
54 int AliHLTMiscImplementation::InitCDB(const char* cdbpath)
56 // see header file for function documentation
58 AliCDBManager* pCDB = AliCDBManager::Instance();
61 log.Logging(kHLTLogError, "InitCDB", "CDB handling", "Could not get CDB instance");
63 if (cdbpath && cdbpath[0]!=0) {
65 if (!uri.BeginsWith("local://") &&
66 !uri.Contains("://")) {
67 // assume a local path if no uri specifier is found
71 pCDB->SetDefaultStorage(uri);
72 log.Logging(kHLTLogDebug, "InitCDB", "CDB handling", "CDB instance 0x%x", pCDB);
73 } else if (!pCDB->IsDefaultStorageSet()) {
74 const char* cdbUri="local://$ALICE_ROOT/OCDB";
75 pCDB->SetDefaultStorage(cdbUri);
77 log.Logging(kHLTLogInfo, "InitCDB", "CDB handling", "set default URI: %s", cdbUri);
83 int AliHLTMiscImplementation::SetCDBRunNo(int runNo)
85 // see header file for function documentation
87 AliCDBManager* pCDB = AliCDBManager::Instance();
90 log.Logging(kHLTLogError, "SetCDBRunNo", "CDB handling", "Could not get CDB instance");
97 AliCDBEntry* AliHLTMiscImplementation::LoadOCDBEntry(const char* path, int runNo, int version, int subVersion)
99 // see header file for function documentation
100 AliCDBStorage* store = AliCDBManager::Instance()->GetDefaultStorage();
104 if (version<0) version = store->GetLatestVersion(path, runNo);
105 if (subVersion<0) subVersion = store->GetLatestSubVersion(path, runNo, version);
106 return AliCDBManager::Instance()->Get(path, runNo, version, subVersion);
109 TObject* AliHLTMiscImplementation::ExtractObject(AliCDBEntry* entry)
111 // see header file for function documentation
112 if (!entry) return NULL;
113 return entry->GetObject();
116 int AliHLTMiscImplementation::InitMagneticField() const
118 // see header file for function documentation
120 // BAD: unit test fails if I call TGeoGlobalMagField::Instance()
121 // at this point. Something goes wrong in the cleaning of the global
124 if (TGeoGlobalMagField::Instance()->GetField()) {
125 // everything set, but think about storing the currents for
131 // The magnetic field is initialized once at the start
132 // of run. The fields are supposed to be constant througout the
133 // data taking of one run. The run is aborted if the changes
134 // exceed a certain limit.
135 AliGRPManager grpman;
136 if (grpman.ReadGRPEntry() && grpman.SetMagField()) {
143 AliHLTUInt64_t AliHLTMiscImplementation::GetTriggerMask(AliRawReader* rawReader) const
145 // see header file for function documentation
146 if (!rawReader) return 0;
147 AliHLTUInt64_t trgMask=0;
149 const UInt_t* pattern=rawReader->GetTriggerPattern();
150 trgMask=pattern[1]&0xfffffff; // 28 upper bits of the 50 bit mask
152 trgMask|=pattern[0]; // 32 lower bits of the mask
157 Double_t AliHLTMiscImplementation::GetBz()
160 return AliTracker::GetBz();
163 Double_t AliHLTMiscImplementation::GetBz(const Double_t *r)
165 // Returns Bz (kG) at the point "r" .
166 return AliTracker::GetBz(r);
169 void AliHLTMiscImplementation::GetBxByBz(const Double_t r[3], Double_t b[3])
171 // Returns Bx, By and Bz (kG) at the point "r" .
172 return AliTracker::GetBxByBz(r, b);
175 const TClass* AliHLTMiscImplementation::IsAliESDHLTDecision() const
177 // Return the IsA of the AliESDHLTDecision class
178 #ifndef HAVE_NOT_ALIESDHLTDECISION
179 return AliESDHLTDecision::Class();
180 #else // HAVE_NOT_ALIESDHLTDECISION
182 #endif // HAVE_NOT_ALIESDHLTDECISION
185 int AliHLTMiscImplementation::Copy(const AliHLTGlobalTriggerDecision* pDecision, TObject* object) const
187 // Copy HLT global trigger decision to AliESDHLTDecision container
188 if (!pDecision || !object) return -EINVAL;
189 #ifndef HAVE_NOT_ALIESDHLTDECISION
190 AliESDHLTDecision* pESDHLTDecision=NULL;
191 if (object->IsA()==NULL ||
192 object->IsA() != AliESDHLTDecision::Class() ||
193 (pESDHLTDecision=dynamic_cast<AliESDHLTDecision*>(object))==NULL) {
194 // HLTError("can not copy HLT global decision to object of class \"%s\"",
195 // object->IsA()?object->IsA()->GetName():"NULL");
199 pESDHLTDecision->~AliESDHLTDecision();
200 new (pESDHLTDecision) AliESDHLTDecision(pDecision->GetTitle());
202 #endif // HAVE_NOT_ALIESDHLTDECISION