STEER/CDB/AliCDBGrid.cxx

   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 /////////////////////////////////////////////////////////////////////////////////////////////////
  17 //                                                                                             //
  18 // AliCDBGrid                                                                                  //
  19 // access class to a DataBase in an AliEn storage                                              //
  20 //                                                                                             //
  21 /////////////////////////////////////////////////////////////////////////////////////////////////
  22
  23 #include <cstdlib>
  24 #include <TGrid.h>
  25 #include <TGridResult.h>
  26 #include <TFile.h>
  27 #include <TKey.h>
  28 #include <TROOT.h>
  29 #include <TList.h>
  30 #include <TObjArray.h>
  31 #include <TObjString.h>
  32 #include <TMath.h>
  33 #include <TRegexp.h>
  34
  35 #include "AliLog.h"
  36 #include "AliCDBEntry.h"
  37 #include "AliCDBGrid.h"
  38 #include "AliCDBManager.h"
  39
  40
  41 ClassImp(AliCDBGrid)
  42
  43 //_____________________________________________________________________________
  44 AliCDBGrid::AliCDBGrid(const char *gridUrl, const char *user, const char *dbFolder,
  45                        const char *se, const char* cacheFolder, Bool_t operateDisconnected,
  46                        Long64_t cacheSize, Long_t cleanupInterval) :
  47 AliCDBStorage(),
  48 fGridUrl(gridUrl),
  49 fUser(user),
  50 fDBFolder(dbFolder),
  51 fSE(se),
  52 fMirrorSEs(""),
  53 fCacheFolder(cacheFolder),
  54 fOperateDisconnected(operateDisconnected),
  55 fCacheSize(cacheSize),
  56 fCleanupInterval(cleanupInterval)
  57 {
  58 // constructor //
  59
  60         // if the same Grid is alreay active, skip connection
  61         if (!gGrid || fGridUrl != gGrid->GridUrl()
  62              || (( fUser != "" ) && ( fUser != gGrid->GetUser() )) ) {
  63                 // connection to the Grid
  64                 AliInfo("Connection to the Grid...");
  65                 if(gGrid){
  66                         AliInfo(Form("gGrid = %p; fGridUrl = %s; gGrid->GridUrl() = %s",gGrid,fGridUrl.Data(), gGrid->GridUrl()));
  67                         AliInfo(Form("fUser = %s; gGrid->GetUser() = %s",fUser.Data(), gGrid->GetUser()));
  68                 }
  69                 TGrid::Connect(fGridUrl.Data(),fUser.Data());
  70         }
  71
  72         if(!gGrid) {
  73                 AliError("Connection failed!");
  74                 return;
  75         }
  76
  77         TString initDir(gGrid->Pwd(0));
  78         if (fDBFolder[0] != '/') {
  79                 fDBFolder.Prepend(initDir);
  80         }
  81
  82         // check DBFolder: trying to cd to DBFolder; if it does not exist, create it
  83         if(!gGrid->Cd(fDBFolder.Data(),0)){
  84                 AliDebug(2,Form("Creating new folder <%s> ...",fDBFolder.Data()));
  85                 TGridResult* res = gGrid->Command(Form("mkdir -p %s",fDBFolder.Data()));
  86                 TString result = res->GetKey(0,"__result__");
  87                 if(result == "0"){
  88                         AliFatal(Form("Cannot create folder <%s> !",fDBFolder.Data()));
  89                         return;
  90                 }
  91         } else {
  92                 AliDebug(2,Form("Folder <%s> found",fDBFolder.Data()));
  93         }
  94
  95         // removes any '/' at the end of path, then append one '/'
  96         while(fDBFolder.EndsWith("/")) fDBFolder.Remove(fDBFolder.Last('/'));
  97         fDBFolder+="/";
  98
  99         fType="alien";
 100         fBaseFolder = fDBFolder;
 101
 102         // Setting the cache
 103
 104         // Check if local cache folder is already defined
 105         TString origCache(TFile::GetCacheFileDir());
 106         if(fCacheFolder.Length() > 0) {
 107                 if(origCache.Length() == 0) {
 108                         AliInfo(Form("Setting local cache to: %s", fCacheFolder.Data()));
 109                 } else if(fCacheFolder != origCache) {
 110                         AliWarning(Form("Local cache folder was already defined, changing it to: %s",
 111                                         fCacheFolder.Data()));
 112                 }
 113
 114                 // default settings are: operateDisconnected=kTRUE, forceCacheread = kFALSE
 115                 if(!TFile::SetCacheFileDir(fCacheFolder.Data(), fOperateDisconnected)) {
 116                         AliError(Form("Could not set cache folder %s !", fCacheFolder.Data()));
 117                         fCacheFolder = "";
 118                 } else {
 119                         // reset fCacheFolder because the function may have
 120                         // slightly changed the folder name (e.g. '/' added)
 121                         fCacheFolder = TFile::GetCacheFileDir();
 122                 }
 123
 124                 // default settings are: cacheSize=1GB, cleanupInterval = 0
 125                 if(!TFile::ShrinkCacheFileDir(fCacheSize, fCleanupInterval)) {
 126                         AliError(Form("Could not set following values "
 127                                 "to ShrinkCacheFileDir: cacheSize = %lld, cleanupInterval = %ld !",
 128                                 fCacheSize, fCleanupInterval));
 129                 }
 130         }
 131
 132         // return to the initial directory
 133         gGrid->Cd(initDir.Data(),0);
 134
 135         fNretry = 3;  // default
 136         fInitRetrySeconds = 5;   // default
 137 }
 138
 139 //_____________________________________________________________________________
 140 AliCDBGrid::~AliCDBGrid()
 141 {
 142 // destructor
 143         delete gGrid; gGrid=0;
 144
 145 }
 146
 147 //_____________________________________________________________________________
 148 Bool_t AliCDBGrid::FilenameToId(TString& filename, AliCDBId& id) {
 149 // build AliCDBId from full path filename (fDBFolder/path/Run#x_#y_v#z_s0.root)
 150
 151         if(filename.Contains(fDBFolder)){
 152                 filename = filename(fDBFolder.Length(),filename.Length()-fDBFolder.Length());
 153         }
 154
 155         TString idPath = filename(0,filename.Last('/'));
 156         id.SetPath(idPath);
 157         if(!id.IsValid()) return kFALSE;
 158
 159         filename=filename(idPath.Length()+1,filename.Length()-idPath.Length());
 160
 161         Ssiz_t mSize;
 162         // valid filename: Run#firstRun_#lastRun_v#version_s0.root
 163         TRegexp keyPattern("^Run[0-9]+_[0-9]+_v[0-9]+_s0.root$");
 164         keyPattern.Index(filename, &mSize);
 165         if (!mSize) {
 166
 167                 // TODO backward compatibility ... maybe remove later!
 168                 Ssiz_t oldmSize;
 169                 TRegexp oldKeyPattern("^Run[0-9]+_[0-9]+_v[0-9]+.root$");
 170                 oldKeyPattern.Index(filename, &oldmSize);
 171                 if(!oldmSize) {
 172                         AliDebug(2,Form("Bad filename <%s>.", filename.Data()));
 173                         return kFALSE;
 174                 } else {
 175                         AliDebug(2,Form("Old filename format <%s>.", filename.Data()));
 176                         id.SetSubVersion(-11); // TODO trick to ensure backward compatibility
 177                 }
 178
 179         } else {
 180                 id.SetSubVersion(-1); // TODO trick to ensure backward compatibility
 181         }
 182
 183         filename.Resize(filename.Length() - sizeof(".root") + 1);
 184
 185         TObjArray* strArray = (TObjArray*) filename.Tokenize("_");
 186
 187         TString firstRunString(((TObjString*) strArray->At(0))->GetString());
 188         id.SetFirstRun(atoi(firstRunString.Data() + 3));
 189         id.SetLastRun(atoi(((TObjString*) strArray->At(1))->GetString()));
 190
 191         TString verString(((TObjString*) strArray->At(2))->GetString());
 192         id.SetVersion(atoi(verString.Data() + 1));
 193
 194         delete strArray;
 195
 196         return kTRUE;
 197 }
 198
 199 //_____________________________________________________________________________
 200 Bool_t AliCDBGrid::IdToFilename(const AliCDBId& id, TString& filename) const {
 201 // build file name from AliCDBId (path, run range, version) and fDBFolder
 202
 203         if (!id.GetAliCDBRunRange().IsValid()) {
 204                 AliDebug(2,Form("Invalid run range <%d, %d>.",
 205                         id.GetFirstRun(), id.GetLastRun()));
 206                 return kFALSE;
 207         }
 208
 209         if (id.GetVersion() < 0) {
 210                 AliDebug(2,Form("Invalid version <%d>.", id.GetVersion()));
 211                 return kFALSE;
 212         }
 213
 214         filename = Form("Run%d_%d_v%d",
 215                                 id.GetFirstRun(),
 216                                 id.GetLastRun(),
 217                                 id.GetVersion());
 218
 219         if (id.GetSubVersion() != -11) filename += "_s0"; // TODO to ensure backward compatibility
 220         filename += ".root";
 221
 222         filename.Prepend(fDBFolder + id.GetPath() + '/');
 223
 224         return kTRUE;
 225 }
 226
 227 //_____________________________________________________________________________
 228 void AliCDBGrid::SetRetry(Int_t nretry, Int_t initsec) {
 229
 230         // Function to set the exponential retry for putting entries in the OCDB
 231
 232         AliWarning("WARNING!!! You are changing the exponential retry times and delay: this function should be used by experts!");
 233         fNretry = nretry;
 234         fInitRetrySeconds = initsec;
 235         AliDebug(2,Form("fNretry = %d, fInitRetrySeconds = %d", fNretry, fInitRetrySeconds));
 236 }
 237
 238
 239 //_____________________________________________________________________________
 240 Bool_t AliCDBGrid::PrepareId(AliCDBId& id) {
 241 // prepare id (version) of the object that will be stored (called by PutEntry)
 242
 243         TString initDir(gGrid->Pwd(0));
 244
 245         TString dirName(fDBFolder);
 246
 247         Bool_t dirExist=kFALSE;
 248
 249
 250
 251         // go to the path; if directory does not exist, create it
 252         for(int i=0;i<3;i++){
 253                 //TString cmd("find -d ");
 254                 //cmd += Form("%s ",dirName);
 255                 //cmd +=
 256                 //gGrid->Command(cmd.Data());
 257                 dirName+=Form("%s/",id.GetPathLevel(i).Data());
 258                 dirExist=gGrid->Cd(dirName,0);
 259                 if (!dirExist) {
 260                         AliDebug(2,Form("Creating new folder <%s> ...",dirName.Data()));
 261                         if(!gGrid->Mkdir(dirName,"",0)){
 262                                 AliError(Form("Cannot create directory <%s> !",dirName.Data()));
 263                                 gGrid->Cd(initDir.Data());
 264                         return kFALSE;
 265                         }
 266
 267                         // if folders are new add tags to them
 268                         if(i == 1) {
 269                                 // TODO Currently disabled
 270                                 // add short lived tag!
 271                                 // AliInfo("Tagging level 1 folder with \"ShortLived\" tag");
 272                                 // if(!AddTag(dirName,"ShortLived_try")){
 273                                 //      AliError(Form("Could not tag folder %s !", dirName.Data()));
 274                                 //      if(!gGrid->Rmdir(dirName.Data())){
 275                                 //              AliError(Form("Unexpected: could not remove %s directory!", dirName.Data()));
 276                                 //      }
 277                                 //      return 0;
 278                                 //}
 279
 280                         } else if(i == 2) {
 281                                 AliDebug(2,"Tagging level 2 folder with \"CDB\" and \"CDB_MD\" tag");
 282                                 if(!AddTag(dirName,"CDB")){
 283                                         AliError(Form("Could not tag folder %s !", dirName.Data()));
 284                                         if(!gGrid->Rmdir(dirName.Data())){
 285                                                 AliError(Form("Unexpected: could not remove %s directory!", dirName.Data()));
 286                                         }
 287                                         return 0;
 288                                 }
 289                                 if(!AddTag(dirName,"CDB_MD")){
 290                                         AliError(Form("Could not tag folder %s !", dirName.Data()));
 291                                         if(!gGrid->Rmdir(dirName.Data())){
 292                                                 AliError(Form("Unexpected: could not remove %s directory!", dirName.Data()));
 293                                         }
 294                                         return 0;
 295                                 }
 296
 297                                 // TODO Currently disabled
 298                                 // add short lived tag!
 299                                 // TString path=id.GetPath();
 300                                 // if(AliCDBManager::Instance()->IsShortLived(path.Data())) {
 301                                 //      AliInfo(Form("Tagging %s as short lived", dirName.Data()));
 302                                 //      if(!TagShortLived(dirName, kTRUE)){
 303                                 //              AliError(Form("Could not tag folder %s !", dirName.Data()));
 304                                 //              if(!gGrid->Rmdir(dirName.Data())){
 305                                 //                      AliError(Form("Unexpected: could not remove %s directory!", dirName.Data()));
 306                                 //              }
 307                                 //              return 0;
 308                                 //      }
 309                                 // } else {
 310                                 //      AliInfo(Form("Tagging %s as long lived", dirName.Data()));
 311                                 //      if(!TagShortLived(dirName, kFALSE)){
 312                                 //              AliError(Form("Could not tag folder %s !", dirName.Data()));
 313                                 //              if(!gGrid->Rmdir(dirName.Data())){
 314                                 //                      AliError(Form("Unexpected: could not remove %s directory!", dirName.Data()));
 315                                 //              }
 316                                 //              return 0;
 317                                 //      }
 318                                 // }
 319                         }
 320                 }
 321         }
 322         gGrid->Cd(initDir,0);
 323
 324         TString filename;
 325         AliCDBId anId; // the id got from filename
 326         AliCDBRunRange lastRunRange(-1,-1); // highest runRange found
 327         Int_t lastVersion=0; // highest version found
 328
 329         TGridResult *res = gGrid->Ls(dirName);
 330
 331         //loop on the files in the directory, look for highest version
 332         for(int i=0; i < res->GetEntries(); i++){
 333                 filename=res->GetFileNamePath(i);
 334                 if (!FilenameToId(filename, anId)) continue;
 335                 if (anId.GetAliCDBRunRange().Overlaps(id.GetAliCDBRunRange()) && anId.GetVersion() > lastVersion) {
 336                         lastVersion = anId.GetVersion();
 337                         lastRunRange = anId.GetAliCDBRunRange();
 338                 }
 339
 340         }
 341         delete res;
 342
 343         // GRP entries with explicitly set version escape default incremental versioning
 344         if(id.GetPath().Contains("GRP") && id.HasVersion() && lastVersion!=0)
 345         {
 346                 AliDebug(5,Form("Entry %s won't be put in the destination OCDB", id.ToString().Data()));
 347                 return kFALSE;
 348         }
 349
 350         id.SetVersion(lastVersion + 1);
 351         id.SetSubVersion(0);
 352
 353         TString lastStorage = id.GetLastStorage();
 354         if(lastStorage.Contains(TString("new"), TString::kIgnoreCase) && id.GetVersion() > 1 ){
 355                 AliDebug(2, Form("A NEW object is being stored with version %d",
 356                                         id.GetVersion()));
 357                 AliDebug(2, Form("and it will hide previously stored object with version %d!",
 358                                         id.GetVersion()-1));
 359         }
 360
 361         if(!lastRunRange.IsAnyRange() && !(lastRunRange.IsEqual(&id.GetAliCDBRunRange())))
 362                 AliWarning(Form("Run range modified w.r.t. previous version (Run%d_%d_v%d)",
 363                         lastRunRange.GetFirstRun(), lastRunRange.GetLastRun(), id.GetVersion()));
 364
 365         return kTRUE;
 366 }
 367
 368 //_____________________________________________________________________________
 369 AliCDBId* AliCDBGrid::GetId(const TObjArray& validFileIds, const AliCDBId& query) {
 370 // look for the Id that matches query's requests (highest or exact version)
 371
 372         if(validFileIds.GetEntriesFast() < 1)
 373                 return NULL;
 374
 375         TIter iter(&validFileIds);
 376
 377         AliCDBId *anIdPtr=0;
 378         AliCDBId* result=0;
 379
 380         while((anIdPtr = dynamic_cast<AliCDBId*> (iter.Next()))){
 381                 if(anIdPtr->GetPath() != query.GetPath()) continue;
 382
 383                 //if(!CheckVersion(query, anIdPtr, result)) return NULL;
 384
 385                 if (!query.HasVersion()){ // look for highest version
 386                         if(result && result->GetVersion() > anIdPtr->GetVersion()) continue;
 387                         if(result && result->GetVersion() == anIdPtr->GetVersion()) {
 388                                 AliError(Form("More than one object valid for run %d, version %d!",
 389                                         query.GetFirstRun(), anIdPtr->GetVersion()));
 390                                 return NULL;
 391                         }
 392                         result = anIdPtr;
 393                 } else { // look for specified version
 394                         if(query.GetVersion() != anIdPtr->GetVersion()) continue;
 395                         if(result && result->GetVersion() == anIdPtr->GetVersion()){
 396                                 AliError(Form("More than one object valid for run %d, version %d!",
 397                                         query.GetFirstRun(), anIdPtr->GetVersion()));
 398                                 return NULL;
 399                         }
 400                         result = anIdPtr;
 401                 }
 402
 403         }
 404
 405         if (!result) return NULL;
 406
 407         return dynamic_cast<AliCDBId*> (result->Clone());
 408 }
 409
 410 //_____________________________________________________________________________
 411 AliCDBId* AliCDBGrid::GetEntryId(const AliCDBId& queryId) {
 412 // get AliCDBId from the database
 413 // User must delete returned object
 414
 415         AliCDBId* dataId=0;
 416
 417         AliCDBId selectedId(queryId);
 418         if (!selectedId.HasVersion()) {
 419                 // if version is not specified, first check the selection criteria list
 420                 GetSelection(&selectedId);
 421         }
 422
 423         TObjArray validFileIds;
 424         validFileIds.SetOwner(1);
 425
 426         // look for file matching query requests (path, runRange, version)
 427         if(selectedId.GetFirstRun() == fRun && fPathFilter.Comprises(selectedId.GetAliCDBPath()) &&
 428                         fVersion == selectedId.GetVersion() && !fMetaDataFilter){
 429                 // look into list of valid files previously loaded with AliCDBStorage::FillValidFileIds()
 430                 AliDebug(2, Form("List of files valid for run %d was loaded. Looking there for fileids valid for path %s!",
 431                                         selectedId.GetFirstRun(), selectedId.GetPath().Data()));
 432                 dataId = GetId(fValidFileIds, selectedId);
 433
 434         } else {
 435                 // List of files valid for reqested run was not loaded. Looking directly into CDB
 436                 AliDebug(2, Form("List of files valid for run %d and version %d was not loaded. Looking directly into CDB for fileids valid for path %s!",
 437                                         selectedId.GetFirstRun(), selectedId.GetVersion(), selectedId.GetPath().Data()));
 438
 439                 TString filter;
 440                 MakeQueryFilter(selectedId.GetFirstRun(), selectedId.GetLastRun(), 0, filter);
 441
 442                 TString pattern = ".root";
 443                 TString optionQuery = "-y -m";
 444                 if(selectedId.GetVersion() >= 0) {
 445                         pattern.Prepend(Form("_v%d_s0",selectedId.GetVersion()));
 446                         optionQuery = "";
 447                 }
 448
 449                 TString folderCopy(Form("%s%s/Run",fDBFolder.Data(),selectedId.GetPath().Data()));
 450
 451                 if (optionQuery.Contains("-y")){
 452                         AliInfo("Only latest version will be returned");
 453                 }
 454
 455                 AliDebug(2,Form("** fDBFolder = %s, pattern = %s, filter = %s",folderCopy.Data(), pattern.Data(), filter.Data()));
 456                 TGridResult *res = gGrid->Query(folderCopy, pattern, filter, optionQuery.Data());
 457                 if (res) {
 458                         AliCDBId validFileId;
 459                         for(int i=0; i<res->GetEntries(); i++){
 460                                 TString filename = res->GetKey(i, "lfn");
 461                                 if(filename == "") continue;
 462                                 if(FilenameToId(filename, validFileId))
 463                                                 validFileIds.AddLast(validFileId.Clone());
 464                         }
 465                         delete res;
 466                 }
 467                 dataId = GetId(validFileIds, selectedId);
 468         }
 469
 470         return dataId;
 471 }
 472
 473 //_____________________________________________________________________________
 474 AliCDBEntry* AliCDBGrid::GetEntry(const AliCDBId& queryId) {
 475 // get AliCDBEntry from the database
 476
 477         AliCDBId* dataId = GetEntryId(queryId);
 478
 479         if (!dataId) return NULL;
 480
 481         TString filename;
 482         if (!IdToFilename(*dataId, filename)) {
 483                 AliDebug(2,Form("Bad data ID encountered! Subnormal error!"));
 484                 delete dataId;
 485                 return NULL;
 486         }
 487
 488         AliCDBEntry* anEntry = GetEntryFromFile(filename, dataId);
 489
 490         delete dataId;
 491         return anEntry;
 492 }
 493
 494 //_____________________________________________________________________________
 495 AliCDBEntry* AliCDBGrid::GetEntryFromFile(TString& filename, AliCDBId* dataId){
 496 // Get AliCBEntry object from file "filename"
 497
 498         AliDebug(2,Form("Opening file: %s",filename.Data()));
 499
 500         filename.Prepend("/alien");
 501
 502         // if option="CACHEREAD" TFile will use the local caching facility!
 503         TString option="READ";
 504         if(fCacheFolder != ""){
 505
 506                 // Check if local cache folder was changed in the meanwhile
 507                 TString origCache(TFile::GetCacheFileDir());
 508                 if(fCacheFolder != origCache) {
 509                         AliWarning(Form("Local cache folder has been overwritten!! fCacheFolder = %s origCache = %s",
 510                                         fCacheFolder.Data(), origCache.Data()));
 511                         TFile::SetCacheFileDir(fCacheFolder.Data(), fOperateDisconnected);
 512                         TFile::ShrinkCacheFileDir(fCacheSize, fCleanupInterval);
 513                 }
 514
 515                 option.Prepend("CACHE");
 516         }
 517
 518         AliDebug(2, Form("Option: %s", option.Data()));
 519
 520         TFile *file = TFile::Open(filename, option);
 521         if (!file) {
 522                 AliDebug(2,Form("Can't open file <%s>!", filename.Data()));
 523                 return NULL;
 524         }
 525
 526         // get the only AliCDBEntry object from the file
 527         // the object in the file is an AliCDBEntry entry named "AliCDBEntry"
 528
 529         AliCDBEntry* anEntry = dynamic_cast<AliCDBEntry*> (file->Get("AliCDBEntry"));
 530
 531         if (!anEntry) {
 532                 AliDebug(2,Form("Bad storage data: file does not contain an AliCDBEntry object!"));
 533                 file->Close();
 534                 return NULL;
 535         }
 536
 537         // The object's Id is not reset during storage
 538         // If object's Id runRange or version do not match with filename,
 539         // it means that someone renamed file by hand. In this case a warning msg is issued.
 540
 541         if(anEntry){
 542                 AliCDBId entryId = anEntry->GetId();
 543                 Int_t tmpSubVersion = dataId->GetSubVersion();
 544                 dataId->SetSubVersion(entryId.GetSubVersion()); // otherwise filename and id may mismatch
 545                 if(!entryId.IsEqual(dataId)){
 546                         AliWarning(Form("Mismatch between file name and object's Id!"));
 547                         AliWarning(Form("File name: %s", dataId->ToString().Data()));
 548                         AliWarning(Form("Object's Id: %s", entryId.ToString().Data()));
 549                 }
 550                 dataId->SetSubVersion(tmpSubVersion);
 551         }
 552
 553         anEntry->SetLastStorage("grid");
 554
 555         // Check whether entry contains a TTree. In case load the tree in memory!
 556         LoadTreeFromFile(anEntry);
 557
 558         // close file, return retieved entry
 559         file->Close(); delete file; file=0;
 560
 561         return anEntry;
 562 }
 563
 564 //_____________________________________________________________________________
 565 TList* AliCDBGrid::GetEntries(const AliCDBId& queryId) {
 566 // multiple request (AliCDBStorage::GetAll)
 567
 568         TList* result = new TList();
 569         result->SetOwner();
 570
 571         TObjArray validFileIds;
 572         validFileIds.SetOwner(1);
 573
 574         Bool_t alreadyLoaded = kFALSE;
 575
 576         // look for file matching query requests (path, runRange)
 577         if(queryId.GetFirstRun() == fRun &&
 578                         fPathFilter.Comprises(queryId.GetAliCDBPath()) && fVersion < 0 && !fMetaDataFilter){
 579                 // look into list of valid files previously loaded with AliCDBStorage::FillValidFileIds()
 580                 AliDebug(2,Form("List of files valid for run %d and for path %s was loaded. Looking there!",
 581                                         queryId.GetFirstRun(), queryId.GetPath().Data()));
 582
 583                 alreadyLoaded = kTRUE;
 584
 585         } else {
 586                 // List of files valid for reqested run was not loaded. Looking directly into CDB
 587                 AliDebug(2,Form("List of files valid for run %d and for path %s was not loaded. Looking directly into CDB!",
 588                                         queryId.GetFirstRun(), queryId.GetPath().Data()));
 589
 590                 TString filter;
 591                 MakeQueryFilter(queryId.GetFirstRun(), queryId.GetLastRun(), 0, filter);
 592
 593                 TString path = queryId.GetPath();
 594
 595                 TString pattern = "Run*.root";
 596                 TString optionQuery = "-y";
 597
 598                 TString addFolder = "";
 599                 if (!path.Contains("*")){
 600                     if (!path.BeginsWith("/")) addFolder += "/";
 601                     addFolder += path;
 602                 }
 603                 else{
 604                     if (path.BeginsWith("/")) path.Remove(0,1);
 605                     if (path.EndsWith("/")) path.Remove(path.Length()-1,1);
 606                     TObjArray* tokenArr = path.Tokenize("/");
 607                     if (tokenArr->GetEntries() != 3) {
 608                         AliError("Not a 3 level path! Keeping old query...");
 609                         pattern.Prepend(path+"/");
 610                     }
 611                     else{
 612                         TString str0 = ((TObjString*)tokenArr->At(0))->String();
 613                         TString str1 = ((TObjString*)tokenArr->At(1))->String();
 614                         TString str2 = ((TObjString*)tokenArr->At(2))->String();
 615                         if (str0 != "*" && str1 != "*" && str2 == "*"){
 616                             // e.g. "ITS/Calib/*"
 617                             addFolder = "/"+str0+"/"+str1;
 618                         }
 619                         else if (str0 != "*" && str1 == "*" && str2 == "*"){
 620                             // e.g. "ITS/*/*"
 621                             addFolder = "/"+str0;
 622                         }
 623                         else if (str0 == "*" && str1 == "*" && str2 == "*"){
 624                             // e.g. "*/*/*"
 625                             // do nothing: addFolder is already an empty string;
 626                         }
 627                         else{
 628                             // e.g. "ITS/*/RecoParam"
 629                             pattern.Prepend(path+"/");
 630                         }
 631                     }
 632                     delete tokenArr; tokenArr=0;
 633                 }
 634
 635                 TString folderCopy(Form("%s%s",fDBFolder.Data(),addFolder.Data()));
 636
 637                 AliDebug(2,Form("fDBFolder = %s, pattern = %s, filter = %s",folderCopy.Data(), pattern.Data(), filter.Data()));
 638
 639                 TGridResult *res = gGrid->Query(folderCopy, pattern, filter, optionQuery.Data());
 640
 641                 if (!res) {
 642                     AliError("Grid query failed");
 643                     return 0;
 644                 }
 645
 646                 AliCDBId validFileId;
 647                 for(int i=0; i<res->GetEntries(); i++){
 648                         TString filename = res->GetKey(i, "lfn");
 649                         if(filename == "") continue;
 650                         if(FilenameToId(filename, validFileId))
 651                                         validFileIds.AddLast(validFileId.Clone());
 652                 }
 653                 delete res;
 654         }
 655
 656         TIter *iter=0;
 657         if(alreadyLoaded){
 658                 iter = new TIter(&fValidFileIds);
 659         } else {
 660                 iter = new TIter(&validFileIds);
 661         }
 662
 663         TObjArray selectedIds;
 664         selectedIds.SetOwner(1);
 665
 666         // loop on list of valid Ids to select the right version to get.
 667         // According to query and to the selection criteria list, version can be the highest or exact
 668         AliCDBPath pathCopy;
 669         AliCDBId* anIdPtr=0;
 670         AliCDBId* dataId=0;
 671         AliCDBPath queryPath = queryId.GetAliCDBPath();
 672         while((anIdPtr = dynamic_cast<AliCDBId*> (iter->Next()))){
 673                 AliCDBPath thisCDBPath = anIdPtr->GetAliCDBPath();
 674                 if(!(queryPath.Comprises(thisCDBPath)) || pathCopy.GetPath() == thisCDBPath.GetPath()) continue;
 675                 pathCopy = thisCDBPath;
 676
 677                 // check the selection criteria list for this query
 678                 AliCDBId thisId(*anIdPtr);
 679                 thisId.SetVersion(queryId.GetVersion());
 680                 if(!thisId.HasVersion()) GetSelection(&thisId);
 681
 682                 if(alreadyLoaded){
 683                         dataId = GetId(fValidFileIds, thisId);
 684                 } else {
 685                         dataId = GetId(validFileIds, thisId);
 686                 }
 687                 if(dataId) selectedIds.Add(dataId);
 688         }
 689
 690         delete iter; iter=0;
 691
 692         // selectedIds contains the Ids of the files matching all requests of query!
 693         // All the objects are now ready to be retrieved
 694         iter = new TIter(&selectedIds);
 695         while((anIdPtr = dynamic_cast<AliCDBId*> (iter->Next()))){
 696                 TString filename;
 697                 if (!IdToFilename(*anIdPtr, filename)) {
 698                         AliDebug(2,Form("Bad data ID encountered! Subnormal error!"));
 699                         continue;
 700                 }
 701
 702                 AliCDBEntry* anEntry = GetEntryFromFile(filename, anIdPtr);
 703
 704                 if(anEntry) result->Add(anEntry);
 705
 706         }
 707         delete iter; iter=0;
 708
 709         return result;
 710 }
 711
 712 //_____________________________________________________________________________
 713 Bool_t AliCDBGrid::PutEntry(AliCDBEntry* entry, const char* mirrors) {
 714 // put an AliCDBEntry object into the database
 715
 716         AliCDBId& id = entry->GetId();
 717
 718         // set version for the entry to be stored
 719         if (!PrepareId(id)) return kFALSE;
 720
 721         // build filename from entry's id
 722         TString filename;
 723         if (!IdToFilename(id, filename)) {
 724                 AliError("Bad ID encountered! Subnormal error!");
 725                 return kFALSE;
 726         }
 727
 728         TString folderToTag = Form("%s%s",
 729                                         fDBFolder.Data(),
 730                                         id.GetPath().Data());
 731
 732         TDirectory* saveDir = gDirectory;
 733
 734         TString fullFilename = Form("/alien%s", filename.Data());
 735         TString seMirrors(mirrors);
 736         if(seMirrors.IsNull() || seMirrors.IsWhitespace()) seMirrors=GetMirrorSEs();
 737         // specify SE to filename
 738         // if a list of SEs was passed to this method or set via SetMirrorSEs, set the first as SE for opening the file.
 739         // The other SEs will be used in cascade in case of failure in opening the file.
 740         // The remaining SEs will be used to create replicas.
 741         TObjArray *arraySEs = seMirrors.Tokenize(',');
 742         Int_t nSEs = arraySEs->GetEntries();
 743         Int_t remainingSEs = 1;
 744         if(nSEs == 0){
 745             if (fSE != "default") fullFilename += Form("?se=%s",fSE.Data());
 746         }else{
 747             remainingSEs = nSEs;
 748         }
 749
 750         // open file
 751         TFile *file=0;
 752         AliDebug(2, Form("fNretry = %d, fInitRetrySeconds = %d",fNretry,fInitRetrySeconds));
 753         TString targetSE("");
 754         while(remainingSEs>0){
 755             if(nSEs!=0){
 756                 TObjString *target = (TObjString*) arraySEs->At(nSEs-remainingSEs);
 757                 targetSE=target->String();
 758                 if ( !(targetSE.BeginsWith("ALICE::") && targetSE.CountChar(':')==4) ) {
 759                     AliError(Form("\"%s\" is an invalid storage element identifier.",targetSE.Data()));
 760                     continue;
 761                 }
 762                 if(fullFilename.Contains('?')) fullFilename.Remove(fullFilename.Last('?'));
 763                 fullFilename += Form("?se=%s",targetSE.Data());
 764             }
 765             Int_t remainingAttempts=fNretry;
 766             Int_t nsleep = fInitRetrySeconds; // number of seconds between attempts. We let it increase exponentially
 767             while(remainingAttempts > 0) {
 768                 AliDebug(2, Form("Putting file in the OCDB at %s - Attempt n. %d",targetSE.Data(),fNretry-remainingAttempts+1));
 769                 file = TFile::Open(fullFilename,"CREATE");
 770                 remainingAttempts--;
 771                 if(!file || !file->IsWritable()){
 772                     if(file && !file->IsWritable()) file->Close(); delete file; file=0;
 773                     AliDebug(2,Form("Attempt %d failed, sleeping for %d seconds",fNretry-remainingAttempts+1,nsleep));
 774                     if(remainingAttempts>0) sleep(nsleep);
 775                 }else{
 776                     remainingAttempts=0;
 777                 }
 778                 nsleep*=fInitRetrySeconds;
 779             }
 780             remainingSEs--;
 781             if(file) break;
 782         }
 783         if(!file){
 784             AliError(Form("All %d attempts have failed on all %d SEs. Returning...",fNretry,nSEs));
 785             return kFALSE;
 786         }
 787
 788
 789         file->cd();
 790
 791         //SetTreeToFile(entry, file);
 792
 793         entry->SetVersion(id.GetVersion());
 794
 795         // write object (key name: "AliCDBEntry")
 796         Bool_t result = (file->WriteTObject(entry, "AliCDBEntry") != 0);
 797         if (!result) AliError(Form("Can't write entry to file <%s>!", filename.Data()));
 798
 799
 800         if (saveDir) saveDir->cd(); else gROOT->cd();
 801         file->Close(); delete file; file=0;
 802
 803         if(result) {
 804
 805                 if(!TagFileId(filename, &id)){
 806                         AliInfo(Form("CDB tagging failed. Deleting file %s!",filename.Data()));
 807                         if(!gGrid->Rm(filename.Data()))
 808                                 AliError("Can't delete file!");
 809                         return kFALSE;
 810                 }
 811
 812                 TagFileMetaData(filename, entry->GetMetaData());
 813         }
 814
 815         AliInfo(Form("CDB object stored into file %s", filename.Data()));
 816         if(nSEs==0)
 817             AliInfo(Form("Storage Element: %s", fSE.Data()));
 818         else
 819             AliInfo(Form("Storage Element: %s", targetSE.Data()));
 820
 821         //In case of other SEs specified by the user, mirror the file to the remaining SEs
 822         while(remainingSEs>0){
 823             TString mirrorCmd("mirror ");
 824             mirrorCmd += filename;
 825             mirrorCmd += " ";
 826             TObjString *target = (TObjString*) arraySEs->At(nSEs-remainingSEs);
 827             TString mirrorSE(target->String());
 828             mirrorCmd += mirrorSE;
 829             AliDebug(5,Form("mirror command: \"%s\"",mirrorCmd.Data()));
 830             AliInfo(Form("Mirroring to storage element: %s", mirrorSE.Data()));
 831             gGrid->Command(mirrorCmd.Data());
 832             remainingSEs--;
 833         }
 834
 835         return result;
 836 }
 837
 838 //_____________________________________________________________________________
 839 Bool_t AliCDBGrid::AddTag(TString& folderToTag, const char* tagname){
 840 // add "tagname" tag (CDB or CDB_MD) to folder where object will be stored
 841
 842         Bool_t result = kTRUE;
 843         AliDebug(2, Form("adding %s tag to folder %s", tagname, folderToTag.Data()));
 844         TString addTag = Form("addTag %s %s", folderToTag.Data(), tagname);
 845         TGridResult *gridres = gGrid->Command(addTag.Data());
 846         const char* resCode = gridres->GetKey(0,"__result__"); // '1' if success
 847         if(resCode[0] != '1') {
 848                 AliError(Form("Couldn't add %s tags to folder %s !",
 849                                                 tagname, folderToTag.Data()));
 850                 result = kFALSE;
 851         }
 852         delete gridres;
 853         return result;
 854 }
 855
 856 //_____________________________________________________________________________
 857 Bool_t AliCDBGrid::TagFileId(TString& filename, const AliCDBId* id){
 858 // tag stored object in CDB table using object Id's parameters
 859
 860
 861         TString dirname(filename);
 862         Int_t dirNumber = gGrid->Mkdir(dirname.Remove(dirname.Last('/')),"-d");
 863
 864         TString addTagValue1 = Form("addTagValue %s CDB ", filename.Data());
 865         TString addTagValue2 = Form("first_run=%d last_run=%d version=%d ",
 866                                         id->GetFirstRun(),
 867                                         id->GetLastRun(),
 868                                         id->GetVersion());
 869         TString addTagValue3 = Form("path_level_0=\"%s\" path_level_1=\"%s\" path_level_2=\"%s\" ",
 870                                         id->GetPathLevel(0).Data(),
 871                                         id->GetPathLevel(1).Data(),
 872                                         id->GetPathLevel(2).Data());
 873         //TString addTagValue4 = Form("version_path=\"%s\" dir_number=%d",Form("%d_%s",id->GetVersion(),filename.Data()),dirNumber);
 874         TString addTagValue4 = Form("version_path=\"%09d%s\" dir_number=%d",id->GetVersion(),filename.Data(),dirNumber);
 875         TString addTagValue = Form("%s%s%s%s",
 876                                         addTagValue1.Data(),
 877                                         addTagValue2.Data(),
 878                                         addTagValue3.Data(),
 879                                         addTagValue4.Data());
 880
 881         Bool_t result = kFALSE;
 882         AliDebug(2, Form("Tagging file. Tag command: %s", addTagValue.Data()));
 883         TGridResult* res = gGrid->Command(addTagValue.Data());
 884         const char* resCode = res->GetKey(0,"__result__"); // '1' if success
 885         if(resCode[0] != '1') {
 886                 AliError(Form("Couldn't add CDB tag value to file %s !",
 887                                                 filename.Data()));
 888                 result = kFALSE;
 889         } else {
 890                 AliDebug(2, "Object successfully tagged.");
 891                 result = kTRUE;
 892         }
 893         delete res;
 894         return result;
 895
 896 }
 897
 898 //_____________________________________________________________________________
 899 Bool_t AliCDBGrid::TagShortLived(TString& filename, Bool_t value){
 900 // tag folder with ShortLived tag
 901
 902         TString addTagValue = Form("addTagValue %s ShortLived_try value=%d", filename.Data(), value);
 903
 904         Bool_t result = kFALSE;
 905         AliDebug(2, Form("Tagging file. Tag command: %s", addTagValue.Data()));
 906         TGridResult* res = gGrid->Command(addTagValue.Data());
 907         const char* resCode = res->GetKey(0,"__result__"); // '1' if success
 908         if(resCode[0] != '1') {
 909                 AliError(Form("Couldn't add ShortLived tag value to file %s !", filename.Data()));
 910                 result = kFALSE;
 911         } else {
 912                 AliDebug(2,"Object successfully tagged.");
 913                 result = kTRUE;
 914         }
 915         delete res;
 916         return result;
 917
 918 }
 919
 920 //_____________________________________________________________________________
 921 Bool_t AliCDBGrid::TagFileMetaData(TString& filename, const AliCDBMetaData* md){
 922 // tag stored object in CDB table using object Id's parameters
 923
 924         TString addTagValue1 = Form("addTagValue %s CDB_MD ", filename.Data());
 925         TString addTagValue2 = Form("object_classname=\"%s\" responsible=\"%s\" beam_period=%d ",
 926                                         md->GetObjectClassName(),
 927                                         md->GetResponsible(),
 928                                         md->GetBeamPeriod());
 929         TString addTagValue3 = Form("aliroot_version=\"%s\" comment=\"%s\"",
 930                                         md->GetAliRootVersion(),
 931                                         md->GetComment());
 932         TString addTagValue = Form("%s%s%s",
 933                                         addTagValue1.Data(),
 934                                         addTagValue2.Data(),
 935                                         addTagValue3.Data());
 936
 937         Bool_t result = kFALSE;
 938         AliDebug(2, Form("Tagging file. Tag command: %s", addTagValue.Data()));
 939         TGridResult* res = gGrid->Command(addTagValue.Data());
 940         const char* resCode = res->GetKey(0,"__result__"); // '1' if success
 941         if(resCode[0] != '1') {
 942                 AliWarning(Form("Couldn't add CDB_MD tag value to file %s !",
 943                                                 filename.Data()));
 944                 result = kFALSE;
 945         } else {
 946                 AliDebug(2,"Object successfully tagged.");
 947                 result = kTRUE;
 948         }
 949         return result;
 950 }
 951
 952 //_____________________________________________________________________________
 953 TList* AliCDBGrid::GetIdListFromFile(const char* fileName){
 954
 955         TString turl(fileName);
 956         turl.Prepend("/alien" + fDBFolder);
 957         turl += "?se="; turl += fSE.Data();
 958         TFile *file = TFile::Open(turl);
 959         if (!file) {
 960                 AliError(Form("Can't open selection file <%s>!", turl.Data()));
 961                 return NULL;
 962         }
 963
 964         TList *list = new TList();
 965         list->SetOwner();
 966         int i=0;
 967         TString keycycle;
 968
 969         AliCDBId *id;
 970         while(1){
 971                 i++;
 972                 keycycle = "AliCDBId;";
 973                 keycycle+=i;
 974
 975                 id = (AliCDBId*) file->Get(keycycle);
 976                 if(!id) break;
 977                 list->AddFirst(id);
 978         }
 979         file->Close(); delete file; file=0;
 980
 981         return list;
 982
 983
 984 }
 985
 986 //_____________________________________________________________________________
 987 Bool_t AliCDBGrid::Contains(const char* path) const{
 988 // check for path in storage's DBFolder
 989
 990         TString initDir(gGrid->Pwd(0));
 991         TString dirName(fDBFolder);
 992         dirName += path; // dirName = fDBFolder/path
 993         Bool_t result=kFALSE;
 994         if (gGrid->Cd(dirName,0)) result=kTRUE;
 995         gGrid->Cd(initDir.Data(),0);
 996         return result;
 997 }
 998
 999 //_____________________________________________________________________________
1000 void AliCDBGrid::QueryValidFiles()
1001 {
1002 // Query the CDB for files valid for AliCDBStorage::fRun
1003 // fills list fValidFileIds with AliCDBId objects created from file name
1004
1005         TString filter;
1006         MakeQueryFilter(fRun, fRun, fMetaDataFilter, filter);
1007
1008         TString path = fPathFilter.GetPath();
1009
1010         TString pattern = "Run*";
1011         TString optionQuery = "-y";
1012         if(fVersion >= 0) {
1013                 pattern += Form("_v%d_s0", fVersion);
1014                 optionQuery = "";
1015         }
1016         pattern += ".root";
1017         AliDebug(2,Form("pattern: %s", pattern.Data()));
1018
1019         TString addFolder = "";
1020         if (!path.Contains("*")){
1021                 if (!path.BeginsWith("/")) addFolder += "/";
1022                 addFolder += path;
1023         }
1024         else{
1025                 if (path.BeginsWith("/")) path.Remove(0,1);
1026                 if (path.EndsWith("/")) path.Remove(path.Length()-1,1);
1027                 TObjArray* tokenArr = path.Tokenize("/");
1028                 if (tokenArr->GetEntries() != 3) {
1029                         AliError("Not a 3 level path! Keeping old query...");
1030                         pattern.Prepend(path+"/");
1031                 }
1032                 else{
1033                         TString str0 = ((TObjString*)tokenArr->At(0))->String();
1034                         TString str1 = ((TObjString*)tokenArr->At(1))->String();
1035                         TString str2 = ((TObjString*)tokenArr->At(2))->String();
1036                         if (str0 != "*" && str1 != "*" && str2 == "*"){
1037                                 // e.g. "ITS/Calib/*"
1038                                 addFolder = "/"+str0+"/"+str1;
1039                         }
1040                         else if (str0 != "*" && str1 == "*" && str2 == "*"){
1041                                 // e.g. "ITS/*/*"
1042                                 addFolder = "/"+str0;
1043                         }
1044                         else if (str0 == "*" && str1 == "*" && str2 == "*"){
1045                                 // e.g. "*/*/*"
1046                                 // do nothing: addFolder is already an empty string;
1047                         }
1048                         else{
1049                                 // e.g. "ITS/*/RecoParam"
1050                                 pattern.Prepend(path+"/");
1051                         }
1052                 }
1053                 delete tokenArr; tokenArr=0;
1054         }
1055
1056         TString folderCopy(Form("%s%s",fDBFolder.Data(),addFolder.Data()));
1057
1058         AliDebug(2,Form("fDBFolder = %s, pattern = %s, filter = %s",folderCopy.Data(), pattern.Data(), filter.Data()));
1059
1060         if (optionQuery == "-y"){
1061                 AliInfo("Only latest version will be returned");
1062         }
1063
1064         TGridResult *res = gGrid->Query(folderCopy, pattern, filter, optionQuery.Data());
1065
1066         if (!res) {
1067                 AliError("Grid query failed");
1068                 return;
1069         }
1070
1071         TIter next(res);
1072         TMap *map;
1073         while ((map = (TMap*)next())) {
1074           TObjString *entry;
1075           if ((entry = (TObjString *) ((TMap *)map)->GetValue("lfn"))) {
1076             TString& filename = entry->String();
1077             if(filename.IsNull()) continue;
1078             AliDebug(2,Form("Found valid file: %s", filename.Data()));
1079             AliCDBId *validFileId = new AliCDBId;
1080             Bool_t result = FilenameToId(filename, *validFileId);
1081             if(result) {
1082               fValidFileIds.AddLast(validFileId);
1083             }
1084             else {
1085               delete validFileId;
1086             }
1087           }
1088         }
1089         delete res;
1090
1091 }
1092
1093 //_____________________________________________________________________________
1094 void AliCDBGrid::MakeQueryFilter(Int_t firstRun, Int_t lastRun,
1095                                         const AliCDBMetaData* md, TString& result) const
1096 {
1097 // create filter for file query
1098
1099         result = Form("CDB:first_run<=%d and CDB:last_run>=%d", firstRun, lastRun);
1100
1101 //      if(version >= 0) {
1102 //              result += Form(" and CDB:version=%d", version);
1103 //      }
1104 //      if(pathFilter.GetLevel0() != "*") {
1105 //              result += Form(" and CDB:path_level_0=\"%s\"", pathFilter.GetLevel0().Data());
1106 //      }
1107 //      if(pathFilter.GetLevel1() != "*") {
1108 //              result += Form(" and CDB:path_level_1=\"%s\"", pathFilter.GetLevel1().Data());
1109 //      }
1110 //      if(pathFilter.GetLevel2() != "*") {
1111 //              result += Form(" and CDB:path_level_2=\"%s\"", pathFilter.GetLevel2().Data());
1112 //      }
1113
1114         if(md){
1115                 if(md->GetObjectClassName()[0] != '\0') {
1116                         result += Form(" and CDB_MD:object_classname=\"%s\"", md->GetObjectClassName());
1117                 }
1118                 if(md->GetResponsible()[0] != '\0') {
1119                         result += Form(" and CDB_MD:responsible=\"%s\"", md->GetResponsible());
1120                 }
1121                 if(md->GetBeamPeriod() != 0) {
1122                         result += Form(" and CDB_MD:beam_period=%d", md->GetBeamPeriod());
1123                 }
1124                 if(md->GetAliRootVersion()[0] != '\0') {
1125                         result += Form(" and CDB_MD:aliroot_version=\"%s\"", md->GetAliRootVersion());
1126                 }
1127                 if(md->GetComment()[0] != '\0') {
1128                         result += Form(" and CDB_MD:comment=\"%s\"", md->GetComment());
1129                 }
1130         }
1131         AliDebug(2, Form("filter: %s",result.Data()));
1132
1133 }
1134
1135 //_____________________________________________________________________________
1136 Int_t AliCDBGrid::GetLatestVersion(const char* path, Int_t run){
1137 // get last version found in the database valid for run and path
1138
1139         AliCDBPath aCDBPath(path);
1140         if(!aCDBPath.IsValid() || aCDBPath.IsWildcard()) {
1141                 AliError(Form("Invalid path in request: %s", path));
1142                 return -1;
1143         }
1144         AliCDBId query(path, run, run, -1, -1);
1145
1146         AliCDBId* dataId = 0;
1147         // look for file matching query requests (path, runRange, version)
1148         if(run == fRun && fPathFilter.Comprises(aCDBPath) && fVersion < 0){
1149                 // look into list of valid files previously loaded with AliCDBStorage::FillValidFileIds()
1150                 AliDebug(2, Form("List of files valid for run %d and for path %s was loaded. Looking there!",
1151                                         run, path));
1152                 dataId = GetId(fValidFileIds, query);
1153                 if (!dataId) return -1;
1154                 Int_t version = dataId->GetVersion();
1155                 delete dataId;
1156                 return version;
1157
1158         }
1159         // List of files valid for reqested run was not loaded. Looking directly into CDB
1160         AliDebug(2, Form("List of files valid for run %d and for path %s was not loaded. Looking directly into CDB!",
1161                                 run, path));
1162
1163         TObjArray validFileIds;
1164         validFileIds.SetOwner(1);
1165
1166         TString filter;
1167         MakeQueryFilter(run, run, 0, filter);
1168
1169         TString pattern = ".root";
1170
1171         TString folderCopy(Form("%s%s/Run",fDBFolder.Data(),path));
1172
1173         AliDebug(2,Form("** fDBFolder = %s, pattern = %s, filter = %s",folderCopy.Data(), pattern.Data(), filter.Data()));
1174         TGridResult *res = gGrid->Query(folderCopy, pattern, filter, "-y -m");
1175
1176         AliCDBId validFileId;
1177         if (res->GetEntries()>1){
1178                 AliWarning("Number of found entries >1, even if option -y was used");
1179                 for(int i=0; i<res->GetEntries(); i++){
1180                         TString filename = res->GetKey(i, "lfn");
1181                         if(filename == "") continue;
1182                         if(FilenameToId(filename, validFileId))
1183                                 validFileIds.AddLast(validFileId.Clone());
1184                 }
1185                 dataId = GetId(validFileIds, query);
1186                 if (!dataId) return -1;
1187
1188                 Int_t version = dataId->GetVersion();
1189                 delete dataId;
1190                 return version;
1191         }
1192         else if (res->GetEntries()==1){
1193                 TString filename = res->GetKey(0, "lfn");
1194                 if(filename == "") {
1195                         AliError("The only entry found has filename empty");
1196                         return -1;
1197                 }
1198                 if(FilenameToId(filename, validFileId)) return validFileId.GetVersion();
1199                 else{
1200                         AliError("Impossible to get FileId from filename");
1201                         return -1;
1202                 }
1203         }
1204         else {
1205                 AliError("No entries found");
1206                 return -1;
1207         }
1208
1209         delete res;
1210
1211
1212 }
1213
1214 //_____________________________________________________________________________
1215 Int_t AliCDBGrid::GetLatestSubVersion(const char* /*path*/, Int_t /*run*/, Int_t /*version*/){
1216 // get last subversion found in the database valid for run and path
1217         AliError("Objects in GRID storage have no sub version!");
1218         return -1;
1219 }
1220
1221
1222 /////////////////////////////////////////////////////////////////////////////////////////////////
1223 //                                                                                             //
1224 // AliCDBGrid factory                                                                          //
1225 //                                                                                             //
1226 /////////////////////////////////////////////////////////////////////////////////////////////////
1227
1228 ClassImp(AliCDBGridFactory)
1229
1230 //_____________________________________________________________________________
1231 Bool_t AliCDBGridFactory::Validate(const char* gridString) {
1232 // check if the string is valid Grid URI
1233
1234         TRegexp gridPattern("^alien://.+$");
1235
1236         return TString(gridString).Contains(gridPattern);
1237 }
1238
1239 //_____________________________________________________________________________
1240 AliCDBParam* AliCDBGridFactory::CreateParameter(const char* gridString) {
1241 // create AliCDBGridParam class from the URI string
1242
1243         if (!Validate(gridString)) {
1244                 return NULL;
1245         }
1246
1247         TString buffer(gridString);
1248
1249         TString gridUrl         = "alien://";
1250         TString user            = "";
1251         TString dbFolder        = "";
1252         TString se              = "default";
1253         TString cacheFolder     = "";
1254         Bool_t  operateDisconnected = kTRUE;
1255         Long64_t cacheSize          = (UInt_t) 1024*1024*1024; // 1GB
1256         Long_t cleanupInterval      = 0;
1257
1258         TObjArray *arr = buffer.Tokenize('?');
1259         TIter iter(arr);
1260         TObjString *str = 0;
1261
1262         while((str = (TObjString*) iter.Next())){
1263                 TString entry(str->String());
1264                 Int_t indeq = entry.Index('=');
1265                 if(indeq == -1) {
1266                         if(entry.BeginsWith("alien://")) { // maybe it's a gridUrl!
1267                                 gridUrl = entry;
1268                                 continue;
1269                         } else {
1270                                 AliError(Form("Invalid entry! %s",entry.Data()));
1271                                 continue;
1272                         }
1273                 }
1274
1275                 TString key = entry(0,indeq);
1276                 TString value = entry(indeq+1,entry.Length()-indeq);
1277
1278                 if(key.Contains("grid",TString::kIgnoreCase)) {
1279                         gridUrl += value;
1280                 }
1281                 else if (key.Contains("user",TString::kIgnoreCase)){
1282                         user = value;
1283                 }
1284                 else if (key.Contains("se",TString::kIgnoreCase)){
1285                         se = value;
1286                 }
1287                 else if (key.Contains("cacheF",TString::kIgnoreCase)){
1288                         cacheFolder = value;
1289                         if (!cacheFolder.IsNull() && !cacheFolder.EndsWith("/"))
1290                                 cacheFolder += "/";
1291                 }
1292                 else if (key.Contains("folder",TString::kIgnoreCase)){
1293                         dbFolder = value;
1294                 }
1295                 else if (key.Contains("operateDisc",TString::kIgnoreCase)){
1296                         if(value == "kTRUE") {
1297                                 operateDisconnected = kTRUE;
1298                         } else if (value == "kFALSE") {
1299                                 operateDisconnected = kFALSE;
1300                         } else if (value == "0" || value == "1") {
1301                                 operateDisconnected = (Bool_t) value.Atoi();
1302                         } else {
1303                                 AliError(Form("Invalid entry! %s",entry.Data()));
1304                                 return NULL;
1305                         }
1306                 }
1307                 else if (key.Contains("cacheS",TString::kIgnoreCase)){
1308                         if(value.IsDigit()) {
1309                                 cacheSize = value.Atoi();
1310                         } else {
1311                                 AliError(Form("Invalid entry! %s",entry.Data()));
1312                                 return NULL;
1313                         }
1314                 }
1315                 else if (key.Contains("cleanupInt",TString::kIgnoreCase)){
1316                         if(value.IsDigit()) {
1317                                 cleanupInterval = value.Atoi();
1318                         } else {
1319                                 AliError(Form("Invalid entry! %s",entry.Data()));
1320                                 return NULL;
1321                         }
1322                 }
1323                 else{
1324                         AliError(Form("Invalid entry! %s",entry.Data()));
1325                         return NULL;
1326                 }
1327         }
1328         delete arr; arr=0;
1329
1330         AliDebug(2, Form("gridUrl:      %s", gridUrl.Data()));
1331         AliDebug(2, Form("user: %s", user.Data()));
1332         AliDebug(2, Form("dbFolder:     %s", dbFolder.Data()));
1333         AliDebug(2, Form("s.e.: %s", se.Data()));
1334         AliDebug(2, Form("local cache folder: %s", cacheFolder.Data()));
1335         AliDebug(2, Form("local cache operate disconnected: %d", operateDisconnected));
1336         AliDebug(2, Form("local cache size: %lld", cacheSize));
1337         AliDebug(2, Form("local cache cleanup interval: %ld", cleanupInterval));
1338
1339         if(dbFolder == ""){
1340                 AliError("Base folder must be specified!");
1341                 return NULL;
1342         }
1343
1344         return new AliCDBGridParam(gridUrl.Data(), user.Data(),
1345                           dbFolder.Data(), se.Data(), cacheFolder.Data(),
1346                           operateDisconnected, cacheSize, cleanupInterval);
1347 }
1348
1349 //_____________________________________________________________________________
1350 AliCDBStorage* AliCDBGridFactory::Create(const AliCDBParam* param) {
1351 // create AliCDBGrid storage instance from parameters
1352
1353         AliCDBGrid *grid = 0;
1354         if (AliCDBGridParam::Class() == param->IsA()) {
1355
1356                 const AliCDBGridParam* gridParam = (const AliCDBGridParam*) param;
1357                 grid = new AliCDBGrid(gridParam->GridUrl().Data(),
1358                                       gridParam->GetUser().Data(),
1359                                       gridParam->GetDBFolder().Data(),
1360                                       gridParam->GetSE().Data(),
1361                                       gridParam->GetCacheFolder().Data(),
1362                                       gridParam->GetOperateDisconnected(),
1363                                       gridParam->GetCacheSize(),
1364                                       gridParam->GetCleanupInterval());
1365
1366         }
1367
1368         if(!gGrid && grid) {
1369                 delete grid; grid=0;
1370         }
1371
1372         return grid;
1373 }
1374
1375 /////////////////////////////////////////////////////////////////////////////////////////////////
1376 //                                                                                             //
1377 // AliCDBGrid Parameter class                                                                  //                                         //
1378 //                                                                                             //
1379 /////////////////////////////////////////////////////////////////////////////////////////////////
1380
1381 ClassImp(AliCDBGridParam)
1382
1383 //_____________________________________________________________________________
1384 AliCDBGridParam::AliCDBGridParam():
1385  AliCDBParam(),
1386  fGridUrl(),
1387  fUser(),
1388  fDBFolder(),
1389  fSE(),
1390  fCacheFolder(),
1391  fOperateDisconnected(),
1392  fCacheSize(),
1393  fCleanupInterval()
1394
1395  {
1396 // default constructor
1397
1398 }
1399
1400 //_____________________________________________________________________________
1401 AliCDBGridParam::AliCDBGridParam(const char* gridUrl, const char* user, const char* dbFolder,
1402                                 const char* se, const char* cacheFolder, Bool_t operateDisconnected,
1403                                 Long64_t cacheSize, Long_t cleanupInterval):
1404  AliCDBParam(),
1405  fGridUrl(gridUrl),
1406  fUser(user),
1407  fDBFolder(dbFolder),
1408  fSE(se),
1409  fCacheFolder(cacheFolder),
1410  fOperateDisconnected(operateDisconnected),
1411  fCacheSize(cacheSize),
1412  fCleanupInterval(cleanupInterval)
1413 {
1414 // constructor
1415
1416         SetType("alien");
1417
1418         TString uri = Form("%s?User=%s?DBFolder=%s?SE=%s?CacheFolder=%s"
1419                         "?OperateDisconnected=%d?CacheSize=%lld?CleanupInterval=%ld",
1420                         fGridUrl.Data(), fUser.Data(),
1421                         fDBFolder.Data(), fSE.Data(), fCacheFolder.Data(),
1422                         fOperateDisconnected, fCacheSize, fCleanupInterval);
1423
1424         SetURI(uri.Data());
1425 }
1426
1427 //_____________________________________________________________________________
1428 AliCDBGridParam::~AliCDBGridParam() {
1429 // destructor
1430
1431 }
1432
1433 //_____________________________________________________________________________
1434 AliCDBParam* AliCDBGridParam::CloneParam() const {
1435 // clone parameter
1436
1437         return new AliCDBGridParam(fGridUrl.Data(), fUser.Data(),
1438                                         fDBFolder.Data(), fSE.Data(), fCacheFolder.Data(),
1439                                         fOperateDisconnected, fCacheSize, fCleanupInterval);
1440 }
1441
1442 //_____________________________________________________________________________
1443 ULong_t AliCDBGridParam::Hash() const {
1444 // return Hash function
1445
1446         return fGridUrl.Hash()+fUser.Hash()+fDBFolder.Hash()+fSE.Hash()+fCacheFolder.Hash();
1447 }
1448
1449 //_____________________________________________________________________________
1450 Bool_t AliCDBGridParam::IsEqual(const TObject* obj) const {
1451 // check if this object is equal to AliCDBParam obj
1452
1453         if (this == obj) {
1454                 return kTRUE;
1455         }
1456
1457         if (AliCDBGridParam::Class() != obj->IsA()) {
1458                 return kFALSE;
1459         }
1460
1461         AliCDBGridParam* other = (AliCDBGridParam*) obj;
1462
1463         if(fGridUrl != other->fGridUrl) return kFALSE;
1464         if(fUser != other->fUser) return kFALSE;
1465         if(fDBFolder != other->fDBFolder) return kFALSE;
1466         if(fSE != other->fSE) return kFALSE;
1467         if(fCacheFolder != other->fCacheFolder) return kFALSE;
1468         if(fOperateDisconnected != other->fOperateDisconnected) return kFALSE;
1469         if(fCacheSize != other->fCacheSize) return kFALSE;
1470         if(fCleanupInterval != other->fCleanupInterval) return kFALSE;
1471         return kTRUE;
1472 }
1473