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1 | /************************************************************************** | |
2 | * Copyright(c) 1998-2007, 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 | // Event handler for ESD input reading the RecPoint Trees in parallel | |
20 | // Author: Andreas Morsch, CERN | |
21 | //------------------------------------------------------------------------- | |
22 | ||
23 | #include <TTree.h> | |
24 | #include <TList.h> | |
25 | #include <TFile.h> | |
26 | #include <TArchiveFile.h> | |
27 | #include <TSystemDirectory.h> | |
28 | #include <TString.h> | |
29 | #include <TObjString.h> | |
30 | #include <TObjArray.h> | |
31 | #include <TProcessID.h> | |
32 | #include <TSystem.h> | |
33 | ||
34 | #include "AliESDInputHandlerRP.h" | |
35 | #include "AliESDEvent.h" | |
36 | #include "AliESD.h" | |
37 | #include "AliLog.h" | |
38 | ||
39 | ClassImp(AliESDInputHandlerRP) | |
40 | ||
41 | //______________________________________________________________________________ | |
42 | AliESDInputHandlerRP::AliESDInputHandlerRP() : | |
43 | AliESDInputHandler(), | |
44 | fRTrees( new TObjArray()), | |
45 | fRDirs ( new TObjArray()), | |
46 | fRFiles( new TList()), | |
47 | fDetectors(new TList()), | |
48 | fDirR(0), | |
49 | fEventNumber(-1), | |
50 | fFileNumber(0), | |
51 | fEventsPerFile(0), | |
52 | fExtension(""), | |
53 | fPathName(new TString("./")), | |
54 | fIsArchive(kFALSE) | |
55 | { | |
56 | // Default constructor | |
57 | } | |
58 | ||
59 | ||
60 | //______________________________________________________________________________ | |
61 | AliESDInputHandlerRP::AliESDInputHandlerRP(const char* name, const char* title): | |
62 | AliESDInputHandler(name, title), | |
63 | fRTrees( new TObjArray()), | |
64 | fRDirs ( new TObjArray()), | |
65 | fRFiles( new TList()), | |
66 | fDetectors(new TList()), | |
67 | fDirR(0), | |
68 | fEventNumber(-1), | |
69 | fFileNumber(0), | |
70 | fEventsPerFile(0), | |
71 | fExtension(""), | |
72 | fPathName(new TString("./")), | |
73 | fIsArchive(kFALSE) | |
74 | { | |
75 | // Constructor | |
76 | } | |
77 | ||
78 | //______________________________________________________________________________ | |
79 | AliESDInputHandlerRP::~AliESDInputHandlerRP() | |
80 | { | |
81 | // Destructor | |
82 | } | |
83 | ||
84 | Bool_t AliESDInputHandlerRP::Init(Option_t* opt) | |
85 | { | |
86 | // | |
87 | // Initialize input | |
88 | // | |
89 | if (!(strcmp(opt, "proof")) || !(strcmp(opt, "local"))) return kTRUE; | |
90 | // | |
91 | TIter next(fDetectors); | |
92 | TNamed* det; | |
93 | TFile* file = 0; | |
94 | while ((det = (TNamed*) next())) | |
95 | { | |
96 | if (!fIsArchive) { | |
97 | file = TFile::Open(Form("%s%s.RecPoints.root", fPathName->Data(), det->GetName())); | |
98 | } else { | |
99 | file = TFile::Open(Form("%s#%s.RecPoints.root", fPathName->Data(), det->GetName())); | |
100 | } | |
101 | if (!file) { | |
102 | AliError(Form("AliESDInputHandlerRP: %s.RecPoints.root not found in %s ! \n", det->GetName(), fPathName->Data())); | |
103 | return kFALSE; | |
104 | } | |
105 | fRFiles->Add(file); | |
106 | } | |
107 | ||
108 | if (file) { | |
109 | fEventsPerFile = file->GetNkeys() - file->GetNProcessIDs(); | |
110 | } else { | |
111 | AliError(Form("AliESDInputHandlerRP: No file with RecPoints found in %s ! \n", fPathName->Data())); | |
112 | return kFALSE; | |
113 | } | |
114 | ||
115 | ||
116 | // Reset the event number | |
117 | fEventNumber = -1; | |
118 | fFileNumber = 0; | |
119 | // Get number of events from esd tree | |
120 | printf("AliESDInputHandlerRP::Init() %d %d\n",__LINE__, fNEvents); | |
121 | // | |
122 | AliESDInputHandler::Init(opt); | |
123 | // | |
124 | return kTRUE; | |
125 | } | |
126 | ||
127 | Bool_t AliESDInputHandlerRP::BeginEvent(Long64_t entry) | |
128 | { | |
129 | // Begin the next event | |
130 | // | |
131 | if (entry == -1) { | |
132 | fEventNumber++; | |
133 | entry = fEventNumber; | |
134 | } else { | |
135 | fEventNumber = entry; | |
136 | } | |
137 | ||
138 | if (entry >= fNEvents) { | |
139 | AliWarning(Form("AliESDInputHandlerRP: Event number out of range %5lld %5d\n", entry, fNEvents)); | |
140 | return kFALSE; | |
141 | } | |
142 | ||
143 | LoadEvent(entry); | |
144 | ||
145 | // Delegate to base class | |
146 | return AliESDInputHandler::BeginEvent(entry); | |
147 | ||
148 | } | |
149 | ||
150 | Bool_t AliESDInputHandlerRP::LoadEvent(Int_t iev) | |
151 | { | |
152 | // Load the event number iev | |
153 | // | |
154 | // Calculate the file number | |
155 | if (fEventsPerFile<=0) return kFALSE; | |
156 | Int_t inew = iev / fEventsPerFile; | |
157 | if (inew != fFileNumber) { | |
158 | fFileNumber = inew; | |
159 | if (!OpenFile(fFileNumber)){ | |
160 | return kFALSE; | |
161 | } | |
162 | } | |
163 | // Folder name | |
164 | char folder[20]; | |
165 | snprintf(folder, 20, "Event%d", iev); | |
166 | // Tree R | |
167 | TIter next(fRFiles); | |
168 | TFile* file; | |
169 | Int_t idx = 0; | |
170 | ||
171 | while ((file = (TFile*) next())) | |
172 | { | |
173 | file->GetObject(folder, fDirR); | |
174 | ||
175 | if (!fDirR) { | |
176 | AliWarning(Form("AliESDInputHandlerRP: Event #%5d not found\n", iev)); | |
177 | return kFALSE; | |
178 | } | |
179 | TTree* tree = 0; | |
180 | fDirR->GetObject("TreeR", tree); | |
181 | fRDirs ->AddAt(fDirR, idx ); | |
182 | fRTrees->AddAt(tree, idx++); | |
183 | } | |
184 | return kTRUE; | |
185 | } | |
186 | ||
187 | Bool_t AliESDInputHandlerRP::OpenFile(Int_t i) | |
188 | { | |
189 | // Open file i | |
190 | Bool_t ok = kTRUE; | |
191 | if (i > 0) { | |
192 | fExtension = Form("%d", i); | |
193 | } else { | |
194 | fExtension = ""; | |
195 | } | |
196 | ||
197 | fRFiles->Delete(); | |
198 | TIter next(fDetectors); | |
199 | TNamed* det; | |
200 | TFile* file; | |
201 | while ((det = (TNamed*) next())) | |
202 | { | |
203 | if (!fIsArchive) { | |
204 | file = TFile::Open(Form("%s%s.RecPoints%s.root", fPathName->Data(), det->GetName(), fExtension)); | |
205 | } else { | |
206 | file = TFile::Open(Form("%s#%s.RecPoints%s.root", fPathName->Data(), det->GetName(), fExtension)); | |
207 | } | |
208 | if (!file) AliFatal(Form("AliESDInputHandlerRP: RecPoints.root not found in %s ! \n", fPathName->Data())); | |
209 | fRFiles->Add(file); | |
210 | } | |
211 | return ok; | |
212 | } | |
213 | ||
214 | Bool_t AliESDInputHandlerRP::Notify(const char *path) | |
215 | { | |
216 | // Notify about directory change | |
217 | // The directory is taken from the 'path' argument | |
218 | // | |
219 | ||
220 | // Get path to directory | |
221 | TString fileName(path); | |
222 | if (fileName.IsNull()) return kFALSE; | |
223 | AliInfo(Form("Directory change %s \n", path)); | |
224 | ||
225 | TString esdname = gSystem->BaseName(fileName); | |
226 | Int_t index = esdname.Index("#")+1; | |
227 | if (index) esdname.Remove(0,index); | |
228 | ||
229 | if(fileName.Contains("#")){ | |
230 | // If this is an archive it will contain a # | |
231 | fIsArchive = kTRUE; | |
232 | } else if(fileName.Contains(esdname)){ | |
233 | fileName.ReplaceAll(esdname, ""); | |
234 | } | |
235 | ||
236 | // | |
237 | // At this point we have a path to the directory or to the archive anchor | |
238 | *fPathName = fileName; | |
239 | // | |
240 | // Now filter the files containing RecPoints *.RecPoints.* | |
241 | ||
242 | TSeqCollection* members; | |
243 | ||
244 | ||
245 | if (fIsArchive) { | |
246 | // Archive | |
247 | TFile* file = TFile::Open(fPathName->Data()); | |
248 | TArchiveFile* arch = file->GetArchive(); | |
249 | members = arch->GetMembers(); | |
250 | fPathName->ReplaceAll("#", ""); | |
251 | fPathName->ReplaceAll(esdname, ""); | |
252 | } else { | |
253 | // Directory or alien archive | |
254 | if (fileName.BeginsWith("alien:")) { | |
255 | TFile* file = TFile::Open(Form("%s/root_archive.zip", fPathName->Data())); | |
256 | TArchiveFile* arch = file->GetArchive(); | |
257 | members = arch->GetMembers(); | |
258 | } else { | |
259 | TString wd = gSystem->WorkingDirectory(); | |
260 | TSystemDirectory dir(".", fPathName->Data()); | |
261 | members = dir.GetListOfFiles(); | |
262 | gSystem->cd(wd); | |
263 | } | |
264 | } | |
265 | ||
266 | TIter next(members); | |
267 | TFile* entry; | |
268 | Int_t ien = 0; | |
269 | fDetectors->Delete(); | |
270 | ||
271 | while ( (entry = (TFile*) next()) ) | |
272 | { | |
273 | TString name(entry->GetName()); | |
274 | TObjArray* tokens = name.Tokenize("."); | |
275 | Int_t ntok = 0; | |
276 | if (tokens) { | |
277 | ntok = tokens->GetEntries(); | |
278 | } else { | |
279 | continue; | |
280 | } | |
281 | if (ntok <= 1) continue; | |
282 | TString str = ((TObjString*) tokens->At(1))->GetString(); | |
283 | if (!(strcmp(str.Data(), "RecPoints"))){ | |
284 | TString det = ((TObjString*) tokens->At(0))->GetString(); | |
285 | printf("Found file with RecPoints for %s \n", det.Data()); | |
286 | TNamed* ent = new TNamed(det.Data(), det.Data()); | |
287 | fRTrees->AddAt(0, ien); | |
288 | ent->SetUniqueID(ien++); | |
289 | fDetectors->Add(ent); | |
290 | } | |
291 | if(tokens) delete tokens; | |
292 | } // loop over files | |
293 | ||
294 | ||
295 | // Now we have the path and the list of detectors | |
296 | ||
297 | printf("AliESDInputHandlerRP::Notify() Path: %s\n", fPathName->Data()); | |
298 | // | |
299 | ResetIO(); | |
300 | InitIO(""); | |
301 | // Some clean-up | |
302 | if (members) members->Delete(); | |
303 | ||
304 | AliESDInputHandler::Notify(path); | |
305 | ||
306 | return kTRUE; | |
307 | } | |
308 | ||
309 | Bool_t AliESDInputHandlerRP::FinishEvent() | |
310 | { | |
311 | // Clean-up after each event | |
312 | fRDirs->Delete(); | |
313 | AliESDInputHandler::FinishEvent(); | |
314 | return kTRUE; | |
315 | } | |
316 | ||
317 | void AliESDInputHandlerRP::ResetIO() | |
318 | { | |
319 | // Delete trees and files | |
320 | fRFiles->Clear("nodelete"); | |
321 | fExtension=""; | |
322 | } | |
323 | ||
324 | TTree* AliESDInputHandlerRP::GetTreeR(const char* det) | |
325 | { | |
326 | // Return pointer to RecPoint tree for detector det | |
327 | TNamed* entry = (TNamed*) (fDetectors->FindObject(det)); | |
328 | if (!entry) { | |
329 | AliWarning(Form("AliESDInputHandlerRP: No RecPoints for detector %s available \n", det)); | |
330 | return 0; | |
331 | } else { | |
332 | Int_t ien = entry->GetUniqueID(); | |
333 | return ((TTree*) (fRTrees->At(ien))); | |
334 | } | |
335 | } |