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4bd2b776 | 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 | #include "AliTaskConfigOCDB.h" | |
17 | ||
18 | #include <TChain.h> | |
19 | #include <TFile.h> | |
20 | #include <TGeoGlobalMagField.h> | |
21 | #include "TGeoManager.h" | |
e07b0141 | 22 | #include <TRegexp.h> |
4bd2b776 | 23 | |
24 | #include "AliAnalysisManager.h" | |
25 | #include "AliGeomManager.h" | |
26 | #include "AliCDBManager.h" | |
27 | #include "AliGRPManager.h" | |
28 | #include "AliESDEvent.h" | |
29 | #include "AliESDInputHandler.h" | |
30 | #include "AliLog.h" | |
31 | ||
32 | ClassImp(AliTaskConfigOCDB) | |
33 | ||
34 | //______________________________________________________________________________ | |
35 | AliTaskConfigOCDB::AliTaskConfigOCDB(): | |
36 | AliAnalysisTask(), | |
37 | fRun(0), | |
5a154c4f | 38 | fOCDBstorage(), |
4bd2b776 | 39 | fRunChanged(kFALSE), |
40 | fESDhandler(NULL), | |
41 | fESD(NULL), | |
42 | fGRPManager(NULL) | |
43 | { | |
44 | // Dummy constructor | |
45 | } | |
46 | ||
47 | //______________________________________________________________________________ | |
48 | AliTaskConfigOCDB::AliTaskConfigOCDB(const char* name, const char *storage, Int_t run) | |
49 | :AliAnalysisTask(name, "configure OCDB field geom"), | |
50 | fRun(run), | |
5a154c4f | 51 | fOCDBstorage(storage), |
4bd2b776 | 52 | fRunChanged(kFALSE), |
53 | fESDhandler(NULL), | |
54 | fESD(NULL), | |
55 | fGRPManager(NULL) | |
56 | { | |
57 | // Default constructor | |
58 | AliCDBManager *cdb = AliCDBManager::Instance(); | |
59 | cdb->SetDefaultStorage(storage); | |
60 | cdb->SetRun(run); | |
61 | DefineInput (0, TChain::Class()); | |
62 | } | |
63 | ||
64 | //______________________________________________________________________________ | |
65 | AliTaskConfigOCDB::~AliTaskConfigOCDB() | |
66 | { | |
67 | // Destructor | |
68 | delete fGRPManager; | |
69 | } | |
70 | ||
71 | //______________________________________________________________________________ | |
72 | void AliTaskConfigOCDB::LocalInit() | |
73 | { | |
74 | // Init CDB locally if run number is defined. | |
75 | } | |
76 | ||
77 | //______________________________________________________________________________ | |
78 | void AliTaskConfigOCDB::ConnectInputData(Option_t* /*option*/) | |
79 | { | |
80 | // Connect the input data, create CDB manager. | |
81 | } | |
82 | ||
83 | //______________________________________________________________________________ | |
84 | void AliTaskConfigOCDB::InitGRP() | |
85 | { | |
86 | // Initialize geometry and mag. field | |
87 | if (!fGRPManager) { | |
88 | // magnetic field | |
89 | if (!TGeoGlobalMagField::Instance()->GetField()) { | |
90 | printf("AliCDBconnect: #### Loading field map...\n"); | |
91 | fGRPManager = new AliGRPManager(); | |
92 | if(!fGRPManager->ReadGRPEntry()) { | |
93 | AliError("Cannot get GRP entry"); | |
94 | } | |
95 | if( !fGRPManager->SetMagField() ) { | |
96 | AliError("Problem with magnetic field setup"); | |
97 | } | |
98 | } | |
99 | ||
100 | // geometry | |
101 | if (!gGeoManager) { | |
102 | printf("AliCDBconnect: #### Loading geometry...\n"); | |
103 | AliGeomManager::LoadGeometry(); | |
104 | if( !AliGeomManager::ApplyAlignObjsFromCDB("GRP ITS TPC TRD") ) { | |
105 | AliError("Problem with align objects"); | |
106 | } | |
107 | } | |
108 | } | |
109 | } | |
110 | ||
111 | //______________________________________________________________________________ | |
112 | void AliTaskConfigOCDB::CreateOutputObjects() | |
113 | { | |
114 | // Init CDB locally if run number is defined. | |
115 | AliAnalysisManager *mgr = AliAnalysisManager::GetAnalysisManager(); | |
116 | if (!mgr) AliFatal("No analysis manager"); | |
117 | fESDhandler = dynamic_cast<AliESDInputHandler *>(mgr->GetInputEventHandler()); | |
118 | ||
119 | if (!fESDhandler) { | |
120 | AliFatal("No ESD input event handler connected"); | |
121 | return; | |
122 | } | |
123 | // Try to get event number before the first event is read (this has precedence | |
124 | // over existing fRun) | |
4c0fc8e0 | 125 | TTree* inputTree = mgr->GetTree(); |
126 | if (!inputTree) { AliError("no input tree"); return; } | |
127 | TFile* inputFile = inputTree->GetCurrentFile(); | |
128 | if (!inputFile) { AliError("no input file"); return; } | |
129 | TString inputFileName(inputFile->GetName()); | |
130 | Int_t run = guessRunNumber(inputFileName); | |
131 | mgr->SetRunFromPath(run); | |
132 | ||
4bd2b776 | 133 | if (!run && !fRun) { |
134 | AliError("AliTaskConfigOCDB: Run not set - no CDB connection"); | |
135 | return; | |
136 | } | |
137 | // Create CDB manager | |
138 | AliCDBManager *cdb = AliCDBManager::Instance(); | |
5a154c4f | 139 | // If CDB is unlocked, set the def storage |
140 | if (!cdb->GetLock()) | |
141 | { | |
142 | cdb->SetDefaultStorage(fOCDBstorage); | |
143 | } | |
144 | ||
4bd2b776 | 145 | if (run && (run != fRun)) { |
146 | fRunChanged = kTRUE; | |
147 | fRun = run; | |
148 | } else { | |
149 | fRunChanged = kFALSE; | |
150 | } | |
151 | // Set run | |
152 | if (fRunChanged || !fGRPManager) { | |
153 | printf("AliCDBconnect: #### Setting run to: %d\n", fRun); | |
154 | cdb->SetRun(fRun); | |
155 | // Initialize GRP manager only once | |
156 | if (fRun) InitGRP(); | |
157 | } | |
158 | } | |
159 | ||
160 | //______________________________________________________________________________ | |
161 | Bool_t AliTaskConfigOCDB::Notify() | |
162 | { | |
163 | // Init CDB locally if run number is defined. | |
164 | CreateOutputObjects(); | |
165 | return kTRUE; | |
166 | } | |
167 | ||
168 | //______________________________________________________________________________ | |
169 | void AliTaskConfigOCDB::Exec(Option_t* /*option*/) | |
170 | { | |
171 | // | |
172 | // Execute all supplied analysis of one event. Notify run change via RunChanged(). | |
173 | fESD = fESDhandler->GetEvent(); | |
174 | // Intercept when the run number changed | |
175 | if (fRun != fESD->GetRunNumber()) { | |
176 | fRunChanged = kTRUE; | |
177 | fRun = fESD->GetRunNumber(); | |
178 | CreateOutputObjects(); | |
179 | } | |
180 | } | |
181 | ||
182 | //______________________________________________________________________________ | |
183 | void AliTaskConfigOCDB::Terminate(Option_t *) | |
184 | { | |
e07b0141 | 185 | // Initialize CDB also in Terminate |
186 | // CreateOutputObjects(); | |
4bd2b776 | 187 | } |
e07b0141 | 188 | |
189 | Int_t AliTaskConfigOCDB::guessRunNumber(TString path) | |
190 | { | |
191 | //guess the runnumber from datapath | |
192 | //works also on the LEGO train where the data path looks like this: | |
193 | //workdir/testdata/__alice__data__2010__LHC10b__000114924__ESDs__pass2_root_archive_AliESDs_2/10000114924018.100/root_archive.zip | |
194 | TObjArray* a = path.Tokenize("/_"); | |
195 | TRegexp r("^000[0-9][0-9][0-9][0-9][0-9][0-9]$"); | |
196 | TString sub; | |
197 | for (Int_t i=0; i<a->GetEntries();i++) | |
198 | { | |
199 | TObjString* subobj = (TObjString*)a->At(i); | |
200 | TString subtmp = subobj->GetString(); | |
201 | if (subtmp.Contains(r)) | |
202 | { | |
203 | sub=subtmp; | |
204 | break; | |
205 | } | |
206 | } | |
207 | Int_t runNumber=sub.Atoi(); | |
208 | AliInfo(Form("guessed run: %i\n",runNumber)); | |
209 | a->Delete(); | |
210 | delete a; | |
211 | return runNumber; | |
212 | } |