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                 }else{
 467                     return 0; // this should be only in case of file catalogue glitch
 468                 }
 469
 470                 dataId = GetId(validFileIds, selectedId);
 471         }
 472
 473         return dataId;
 474 }
 475
 476 //_____________________________________________________________________________
 477 AliCDBEntry* AliCDBGrid::GetEntry(const AliCDBId& queryId) {
 478 // get AliCDBEntry from the database
 479
 480         AliCDBId* dataId = GetEntryId(queryId);
 481
 482         if (!dataId){
 483                 AliFatal(TString::Format("No valid CDB object found! request was: %s", queryId.ToString().Data()));
 484                 return NULL;
 485         }
 486
 487         TString filename;
 488         if (!IdToFilename(*dataId, filename)) {
 489                 AliDebug(2,Form("Bad data ID encountered! Subnormal error!"));
 490                 delete dataId;
 491                 AliFatal(TString::Format("No valid CDB object found! request was: %s", queryId.ToString().Data()));
 492                 return NULL;
 493         }
 494
 495         AliCDBEntry* anEntry = GetEntryFromFile(filename, dataId);
 496
 497         delete dataId;
 498         if(!anEntry){
 499                 Printf("follows an alifatal");
 500                 AliFatal(TString::Format("No valid CDB object found! request was: %s", queryId.ToString().Data()));
 501         }
 502
 503         return anEntry;
 504 }
 505
 506 //_____________________________________________________________________________
 507 AliCDBEntry* AliCDBGrid::GetEntryFromFile(TString& filename, AliCDBId* dataId){
 508 // Get AliCBEntry object from file "filename"
 509
 510         AliDebug(2,Form("Opening file: %s",filename.Data()));
 511
 512         filename.Prepend("/alien");
 513
 514         // if option="CACHEREAD" TFile will use the local caching facility!
 515         TString option="READ";
 516         if(fCacheFolder != ""){
 517
 518                 // Check if local cache folder was changed in the meanwhile
 519                 TString origCache(TFile::GetCacheFileDir());
 520                 if(fCacheFolder != origCache) {
 521                         AliWarning(Form("Local cache folder has been overwritten!! fCacheFolder = %s origCache = %s",
 522                                         fCacheFolder.Data(), origCache.Data()));
 523                         TFile::SetCacheFileDir(fCacheFolder.Data(), fOperateDisconnected);
 524                         TFile::ShrinkCacheFileDir(fCacheSize, fCleanupInterval);
 525                 }
 526
 527                 option.Prepend("CACHE");
 528         }
 529
 530         AliDebug(2, Form("Option: %s", option.Data()));
 531
 532         TFile *file = TFile::Open(filename, option);
 533         if (!file) {
 534                 AliDebug(2,Form("Can't open file <%s>!", filename.Data()));
 535                 return NULL;
 536         }
 537
 538         // get the only AliCDBEntry object from the file
 539         // the object in the file is an AliCDBEntry entry named "AliCDBEntry"
 540
 541         AliCDBEntry* anEntry = dynamic_cast<AliCDBEntry*> (file->Get("AliCDBEntry"));
 542
 543         if (!anEntry) {
 544                 AliDebug(2,Form("Bad storage data: file does not contain an AliCDBEntry object!"));
 545                 file->Close();
 546                 return NULL;
 547         }
 548
 549         // The object's Id is not reset during storage
 550         // If object's Id runRange or version do not match with filename,
 551         // it means that someone renamed file by hand. In this case a warning msg is issued.
 552
 553         if(anEntry){
 554                 AliCDBId entryId = anEntry->GetId();
 555                 Int_t tmpSubVersion = dataId->GetSubVersion();
 556                 dataId->SetSubVersion(entryId.GetSubVersion()); // otherwise filename and id may mismatch
 557                 if(!entryId.IsEqual(dataId)){
 558                         AliWarning(Form("Mismatch between file name and object's Id!"));
 559                         AliWarning(Form("File name: %s", dataId->ToString().Data()));
 560                         AliWarning(Form("Object's Id: %s", entryId.ToString().Data()));
 561                 }
 562                 dataId->SetSubVersion(tmpSubVersion);
 563         }
 564
 565         anEntry->SetLastStorage("grid");
 566
 567         // Check whether entry contains a TTree. In case load the tree in memory!
 568         LoadTreeFromFile(anEntry);
 569
 570         // close file, return retieved entry
 571         file->Close(); delete file; file=0;
 572
 573         return anEntry;
 574 }
 575
 576 //_____________________________________________________________________________
 577 TList* AliCDBGrid::GetEntries(const AliCDBId& queryId) {
 578 // multiple request (AliCDBStorage::GetAll)
 579
 580         TList* result = new TList();
 581         result->SetOwner();
 582
 583         TObjArray validFileIds;
 584         validFileIds.SetOwner(1);
 585
 586         Bool_t alreadyLoaded = kFALSE;
 587
 588         // look for file matching query requests (path, runRange)
 589         if(queryId.GetFirstRun() == fRun &&
 590                         fPathFilter.Comprises(queryId.GetAliCDBPath()) && fVersion < 0 && !fMetaDataFilter){
 591                 // look into list of valid files previously loaded with AliCDBStorage::FillValidFileIds()
 592                 AliDebug(2,Form("List of files valid for run %d and for path %s was loaded. Looking there!",
 593                                         queryId.GetFirstRun(), queryId.GetPath().Data()));
 594
 595                 alreadyLoaded = kTRUE;
 596
 597         } else {
 598                 // List of files valid for reqested run was not loaded. Looking directly into CDB
 599                 AliDebug(2,Form("List of files valid for run %d and for path %s was not loaded. Looking directly into CDB!",
 600                                         queryId.GetFirstRun(), queryId.GetPath().Data()));
 601
 602                 TString filter;
 603                 MakeQueryFilter(queryId.GetFirstRun(), queryId.GetLastRun(), 0, filter);
 604
 605                 TString path = queryId.GetPath();
 606
 607                 TString pattern = "Run*.root";
 608                 TString optionQuery = "-y";
 609
 610                 TString addFolder = "";
 611                 if (!path.Contains("*")){
 612                     if (!path.BeginsWith("/")) addFolder += "/";
 613                     addFolder += path;
 614                 }
 615                 else{
 616                     if (path.BeginsWith("/")) path.Remove(0,1);
 617                     if (path.EndsWith("/")) path.Remove(path.Length()-1,1);
 618                     TObjArray* tokenArr = path.Tokenize("/");
 619                     if (tokenArr->GetEntries() != 3) {
 620                         AliError("Not a 3 level path! Keeping old query...");
 621                         pattern.Prepend(path+"/");
 622                     }
 623                     else{
 624                         TString str0 = ((TObjString*)tokenArr->At(0))->String();
 625                         TString str1 = ((TObjString*)tokenArr->At(1))->String();
 626                         TString str2 = ((TObjString*)tokenArr->At(2))->String();
 627                         if (str0 != "*" && str1 != "*" && str2 == "*"){
 628                             // e.g. "ITS/Calib/*"
 629                             addFolder = "/"+str0+"/"+str1;
 630                         }
 631                         else if (str0 != "*" && str1 == "*" && str2 == "*"){
 632                             // e.g. "ITS/*/*"
 633                             addFolder = "/"+str0;
 634                         }
 635                         else if (str0 == "*" && str1 == "*" && str2 == "*"){
 636                             // e.g. "*/*/*"
 637                             // do nothing: addFolder is already an empty string;
 638                         }
 639                         else{
 640                             // e.g. "ITS/*/RecoParam"
 641                             pattern.Prepend(path+"/");
 642                         }
 643                     }
 644                     delete tokenArr; tokenArr=0;
 645                 }
 646
 647                 TString folderCopy(Form("%s%s",fDBFolder.Data(),addFolder.Data()));
 648
 649                 AliDebug(2,Form("fDBFolder = %s, pattern = %s, filter = %s",folderCopy.Data(), pattern.Data(), filter.Data()));
 650
 651                 TGridResult *res = gGrid->Query(folderCopy, pattern, filter, optionQuery.Data());
 652
 653                 if (!res) {
 654                     AliError("Grid query failed");
 655                     return 0;
 656                 }
 657
 658                 AliCDBId validFileId;
 659                 for(int i=0; i<res->GetEntries(); i++){
 660                         TString filename = res->GetKey(i, "lfn");
 661                         if(filename == "") continue;
 662                         if(FilenameToId(filename, validFileId))
 663                                         validFileIds.AddLast(validFileId.Clone());
 664                 }
 665                 delete res;
 666         }
 667
 668         TIter *iter=0;
 669         if(alreadyLoaded){
 670                 iter = new TIter(&fValidFileIds);
 671         } else {
 672                 iter = new TIter(&validFileIds);
 673         }
 674
 675         TObjArray selectedIds;
 676         selectedIds.SetOwner(1);
 677
 678         // loop on list of valid Ids to select the right version to get.
 679         // According to query and to the selection criteria list, version can be the highest or exact
 680         AliCDBPath pathCopy;
 681         AliCDBId* anIdPtr=0;
 682         AliCDBId* dataId=0;
 683         AliCDBPath queryPath = queryId.GetAliCDBPath();
 684         while((anIdPtr = dynamic_cast<AliCDBId*> (iter->Next()))){
 685                 AliCDBPath thisCDBPath = anIdPtr->GetAliCDBPath();
 686                 if(!(queryPath.Comprises(thisCDBPath)) || pathCopy.GetPath() == thisCDBPath.GetPath()) continue;
 687                 pathCopy = thisCDBPath;
 688
 689                 // check the selection criteria list for this query
 690                 AliCDBId thisId(*anIdPtr);
 691                 thisId.SetVersion(queryId.GetVersion());
 692                 if(!thisId.HasVersion()) GetSelection(&thisId);
 693
 694                 if(alreadyLoaded){
 695                         dataId = GetId(fValidFileIds, thisId);
 696                 } else {
 697                         dataId = GetId(validFileIds, thisId);
 698                 }
 699                 if(dataId) selectedIds.Add(dataId);
 700         }
 701
 702         delete iter; iter=0;
 703
 704         // selectedIds contains the Ids of the files matching all requests of query!
 705         // All the objects are now ready to be retrieved
 706         iter = new TIter(&selectedIds);
 707         while((anIdPtr = dynamic_cast<AliCDBId*> (iter->Next()))){
 708                 TString filename;
 709                 if (!IdToFilename(*anIdPtr, filename)) {
 710                         AliDebug(2,Form("Bad data ID encountered! Subnormal error!"));
 711                         continue;
 712                 }
 713
 714                 AliCDBEntry* anEntry = GetEntryFromFile(filename, anIdPtr);
 715
 716                 if(anEntry) result->Add(anEntry);
 717
 718         }
 719         delete iter; iter=0;
 720
 721         return result;
 722 }
 723
 724 //_____________________________________________________________________________
 725 Bool_t AliCDBGrid::PutEntry(AliCDBEntry* entry, const char* mirrors) {
 726         // put an AliCDBEntry object into the database
 727
 728         AliCDBId& id = entry->GetId();
 729
 730         // set version for the entry to be stored
 731         if (!PrepareId(id)) return kFALSE;
 732
 733         // build filename from entry's id
 734         TString filename;
 735         if (!IdToFilename(id, filename)) {
 736                 AliError("Bad ID encountered! Subnormal error!");
 737                 return kFALSE;
 738         }
 739
 740         TString folderToTag = Form("%s%s",
 741                         fDBFolder.Data(),
 742                         id.GetPath().Data());
 743
 744         TDirectory* saveDir = gDirectory;
 745
 746         TString fullFilename = Form("/alien%s", filename.Data());
 747         TString seMirrors(mirrors);
 748         if(seMirrors.IsNull() || seMirrors.IsWhitespace()) seMirrors=GetMirrorSEs();
 749         // specify SE to filename
 750         // if a list of SEs was passed to this method or set via SetMirrorSEs, set the first as SE for opening the file.
 751         // The other SEs will be used in cascade in case of failure in opening the file.
 752         // The remaining SEs will be used to create replicas.
 753         TObjArray *arraySEs = seMirrors.Tokenize(',');
 754         Int_t nSEs = arraySEs->GetEntries();
 755         Int_t remainingSEs = 1;
 756         if(nSEs == 0){
 757                 if (fSE != "default") fullFilename += Form("?se=%s",fSE.Data());
 758         }else{
 759                 remainingSEs = nSEs;
 760         }
 761
 762         // open file
 763         TFile *file=0;
 764         AliDebug(2, Form("fNretry = %d, fInitRetrySeconds = %d",fNretry,fInitRetrySeconds));
 765         TString targetSE("");
 766
 767         Bool_t result = kFALSE;
 768         Bool_t reOpenResult = kFALSE;
 769         Int_t reOpenAttempts=0;
 770         while( !reOpenResult && reOpenAttempts<2){ //loop to check the file after closing it, to catch the unlikely but possible case when the file
 771                 // is cleaned up by alien just before closing as a consequence of a network disconnection while writing
 772
 773                 while( !file && remainingSEs>0){
 774                         if(nSEs!=0){
 775                                 TObjString *target = (TObjString*) arraySEs->At(nSEs-remainingSEs);
 776                                 targetSE=target->String();
 777                                 if ( !(targetSE.BeginsWith("ALICE::") && targetSE.CountChar(':')==4) ) {
 778                                         AliError(Form("\"%s\" is an invalid storage element identifier.",targetSE.Data()));
 779                                         continue;
 780                                 }
 781                                 if(fullFilename.Contains('?')) fullFilename.Remove(fullFilename.Last('?'));
 782                                 fullFilename += Form("?se=%s",targetSE.Data());
 783                         }
 784                         Int_t remainingAttempts=fNretry;
 785                         Int_t nsleep = fInitRetrySeconds; // number of seconds between attempts. We let it increase exponentially
 786                         AliDebug(2, Form("Uploading file into SE #%d: %s",nSEs-remainingSEs+1,targetSE.Data()));
 787                         while(remainingAttempts > 0) {
 788                                 AliDebug(2, Form("Uploading file into OCDB at %s - Attempt #%d",targetSE.Data(),fNretry-remainingAttempts+1));
 789                                 remainingAttempts--;
 790                                 file = TFile::Open(fullFilename,"CREATE");
 791                                 if(!file || !file->IsWritable()){
 792                                         if(file) file->Close(); delete file; file=0; // file is not writable
 793                                         TString message(TString::Format("Attempt %d failed.",fNretry-remainingAttempts));
 794                                         if(remainingAttempts>0) {
 795                                                 message += " Sleeping for "; message += nsleep; message += " seconds";
 796                                         }else{
 797                                                 if(remainingSEs>0) message += " Trying to upload at next SE";
 798                                         }
 799                                         AliDebug(2, message.Data());
 800                                         if(remainingAttempts>0) sleep(nsleep);
 801                                 }else{
 802                                         remainingAttempts=0;
 803                                 }
 804                                 nsleep*=fInitRetrySeconds;
 805                         }
 806                         remainingSEs--;
 807                 }
 808                 if(!file){
 809                         AliError(Form("All %d attempts have failed on all %d SEs. Returning...",fNretry,nSEs));
 810                         return kFALSE;
 811                 }
 812
 813                 file->cd();
 814
 815                 //SetTreeToFile(entry, file);
 816                 entry->SetVersion(id.GetVersion());
 817
 818                 // write object (key name: "AliCDBEntry")
 819                 result = (file->WriteTObject(entry, "AliCDBEntry") != 0);
 820                 if (!result) AliError(Form("Can't write entry to file <%s>!", filename.Data()));
 821                 file->Close();
 822
 823                 if(result)
 824                 {
 825                         AliDebug(2, Form("Reopening file %s for checking its correctness",fullFilename.Data()));
 826                         TFile* ffile = TFile::Open(fullFilename.Data(),"READ");
 827                         if(!ffile){
 828                                 reOpenResult = kFALSE;
 829                                 AliInfo(Form("The file %s was closed successfully but cannot be reopened. Trying now to regenerate it (regeneration attempt number %d)",
 830                                                         fullFilename.Data(),++reOpenAttempts));
 831                                 delete file; file=0;
 832                                 AliDebug(2, Form("Removing file %s", filename.Data()));
 833                                 if(!gGrid->Rm(filename.Data()))
 834                                         AliError("Can't delete file!");
 835                                 remainingSEs++;
 836                         }else{
 837                                 reOpenResult = kTRUE;
 838                                 ffile->Close();
 839                         }
 840                         delete ffile; ffile=0;
 841                 }
 842         }
 843
 844         if (saveDir) saveDir->cd(); else gROOT->cd();
 845         delete file; file=0;
 846
 847         if(result && reOpenResult) {
 848
 849                 if(!TagFileId(filename, &id)){
 850                         AliInfo(Form("CDB tagging failed. Deleting file %s!",filename.Data()));
 851                         if(!gGrid->Rm(filename.Data()))
 852                                 AliError("Can't delete file!");
 853                         return kFALSE;
 854                 }
 855
 856                 TagFileMetaData(filename, entry->GetMetaData());
 857         }else{
 858                 AliError("The file could not be opend or the object could not be written");
 859                 if(!gGrid->Rm(filename.Data()))
 860                         AliError("Can't delete file!");
 861                 return kFALSE;
 862         }
 863
 864         AliInfo(Form("CDB object stored into file %s", filename.Data()));
 865         if(nSEs==0)
 866                 AliInfo(Form("Storage Element: %s", fSE.Data()));
 867         else
 868                 AliInfo(Form("Storage Element: %s", targetSE.Data()));
 869
 870         //In case of other SEs specified by the user, mirror the file to the remaining SEs
 871         for(Int_t i=0; i<nSEs; i++){
 872                 if(i==nSEs-remainingSEs-1) continue; // skip mirroring to the SE where the file was saved
 873                 TString mirrorCmd("mirror ");
 874                 mirrorCmd += filename;
 875                 mirrorCmd += " ";
 876                 TObjString *target = (TObjString*) arraySEs->At(i);
 877                 TString mirrorSE(target->String());
 878                 mirrorCmd += mirrorSE;
 879                 AliDebug(5,Form("mirror command: \"%s\"",mirrorCmd.Data()));
 880                 AliInfo(Form("Mirroring to storage element: %s", mirrorSE.Data()));
 881                 gGrid->Command(mirrorCmd.Data());
 882         }
 883         arraySEs->Delete(); arraySEs=0;
 884
 885         return kTRUE;
 886 }
 887
 888 //_____________________________________________________________________________
 889 Bool_t AliCDBGrid::AddTag(TString& folderToTag, const char* tagname){
 890 // add "tagname" tag (CDB or CDB_MD) to folder where object will be stored
 891
 892         Bool_t result = kTRUE;
 893         AliDebug(2, Form("adding %s tag to folder %s", tagname, folderToTag.Data()));
 894         TString addTag = Form("addTag %s %s", folderToTag.Data(), tagname);
 895         TGridResult *gridres = gGrid->Command(addTag.Data());
 896         const char* resCode = gridres->GetKey(0,"__result__"); // '1' if success
 897         if(resCode[0] != '1') {
 898                 AliError(Form("Couldn't add %s tags to folder %s !",
 899                                                 tagname, folderToTag.Data()));
 900                 result = kFALSE;
 901         }
 902         delete gridres;
 903         return result;
 904 }
 905
 906 //_____________________________________________________________________________
 907 Bool_t AliCDBGrid::TagFileId(TString& filename, const AliCDBId* id){
 908 // tag stored object in CDB table using object Id's parameters
 909
 910
 911         TString dirname(filename);
 912         Int_t dirNumber = gGrid->Mkdir(dirname.Remove(dirname.Last('/')),"-d");
 913
 914         TString addTagValue1 = Form("addTagValue %s CDB ", filename.Data());
 915         TString addTagValue2 = Form("first_run=%d last_run=%d version=%d ",
 916                                         id->GetFirstRun(),
 917                                         id->GetLastRun(),
 918                                         id->GetVersion());
 919         TString addTagValue3 = Form("path_level_0=\"%s\" path_level_1=\"%s\" path_level_2=\"%s\" ",
 920                                         id->GetPathLevel(0).Data(),
 921                                         id->GetPathLevel(1).Data(),
 922                                         id->GetPathLevel(2).Data());
 923         //TString addTagValue4 = Form("version_path=\"%s\" dir_number=%d",Form("%d_%s",id->GetVersion(),filename.Data()),dirNumber);
 924         TString addTagValue4 = Form("version_path=\"%09d%s\" dir_number=%d",id->GetVersion(),filename.Data(),dirNumber);
 925         TString addTagValue = Form("%s%s%s%s",
 926                                         addTagValue1.Data(),
 927                                         addTagValue2.Data(),
 928                                         addTagValue3.Data(),
 929                                         addTagValue4.Data());
 930
 931         Bool_t result = kFALSE;
 932         AliDebug(2, Form("Tagging file. Tag command: %s", addTagValue.Data()));
 933         TGridResult* res = gGrid->Command(addTagValue.Data());
 934         const char* resCode = res->GetKey(0,"__result__"); // '1' if success
 935         if(resCode[0] != '1') {
 936                 AliError(Form("Couldn't add CDB tag value to file %s !",
 937                                                 filename.Data()));
 938                 result = kFALSE;
 939         } else {
 940                 AliDebug(2, "Object successfully tagged.");
 941                 result = kTRUE;
 942         }
 943         delete res;
 944         return result;
 945
 946 }
 947
 948 //_____________________________________________________________________________
 949 Bool_t AliCDBGrid::TagShortLived(TString& filename, Bool_t value){
 950 // tag folder with ShortLived tag
 951
 952         TString addTagValue = Form("addTagValue %s ShortLived_try value=%d", filename.Data(), value);
 953
 954         Bool_t result = kFALSE;
 955         AliDebug(2, Form("Tagging file. Tag command: %s", addTagValue.Data()));
 956         TGridResult* res = gGrid->Command(addTagValue.Data());
 957         const char* resCode = res->GetKey(0,"__result__"); // '1' if success
 958         if(resCode[0] != '1') {
 959                 AliError(Form("Couldn't add ShortLived tag value to file %s !", filename.Data()));
 960                 result = kFALSE;
 961         } else {
 962                 AliDebug(2,"Object successfully tagged.");
 963                 result = kTRUE;
 964         }
 965         delete res;
 966         return result;
 967
 968 }
 969
 970 //_____________________________________________________________________________
 971 Bool_t AliCDBGrid::TagFileMetaData(TString& filename, const AliCDBMetaData* md){
 972 // tag stored object in CDB table using object Id's parameters
 973
 974         TString addTagValue1 = Form("addTagValue %s CDB_MD ", filename.Data());
 975         TString addTagValue2 = Form("object_classname=\"%s\" responsible=\"%s\" beam_period=%d ",
 976                                         md->GetObjectClassName(),
 977                                         md->GetResponsible(),
 978                                         md->GetBeamPeriod());
 979         TString addTagValue3 = Form("aliroot_version=\"%s\" comment=\"%s\"",
 980                                         md->GetAliRootVersion(),
 981                                         md->GetComment());
 982         TString addTagValue = Form("%s%s%s",
 983                                         addTagValue1.Data(),
 984                                         addTagValue2.Data(),
 985                                         addTagValue3.Data());
 986
 987         Bool_t result = kFALSE;
 988         AliDebug(2, Form("Tagging file. Tag command: %s", addTagValue.Data()));
 989         TGridResult* res = gGrid->Command(addTagValue.Data());
 990         const char* resCode = res->GetKey(0,"__result__"); // '1' if success
 991         if(resCode[0] != '1') {
 992                 AliWarning(Form("Couldn't add CDB_MD tag value to file %s !",
 993                                                 filename.Data()));
 994                 result = kFALSE;
 995         } else {
 996                 AliDebug(2,"Object successfully tagged.");
 997                 result = kTRUE;
 998         }
 999         return result;
1000 }
1001
1002 //_____________________________________________________________________________
1003 TList* AliCDBGrid::GetIdListFromFile(const char* fileName){
1004
1005         TString turl(fileName);
1006         turl.Prepend("/alien" + fDBFolder);
1007         turl += "?se="; turl += fSE.Data();
1008         TFile *file = TFile::Open(turl);
1009         if (!file) {
1010                 AliError(Form("Can't open selection file <%s>!", turl.Data()));
1011                 return NULL;
1012         }
1013
1014         TList *list = new TList();
1015         list->SetOwner();
1016         int i=0;
1017         TString keycycle;
1018
1019         AliCDBId *id;
1020         while(1){
1021                 i++;
1022                 keycycle = "AliCDBId;";
1023                 keycycle+=i;
1024
1025                 id = (AliCDBId*) file->Get(keycycle);
1026                 if(!id) break;
1027                 list->AddFirst(id);
1028         }
1029         file->Close(); delete file; file=0;
1030
1031         return list;
1032
1033
1034 }
1035
1036 //_____________________________________________________________________________
1037 Bool_t AliCDBGrid::Contains(const char* path) const{
1038 // check for path in storage's DBFolder
1039
1040         TString initDir(gGrid->Pwd(0));
1041         TString dirName(fDBFolder);
1042         dirName += path; // dirName = fDBFolder/path
1043         Bool_t result=kFALSE;
1044         if (gGrid->Cd(dirName,0)) result=kTRUE;
1045         gGrid->Cd(initDir.Data(),0);
1046         return result;
1047 }
1048
1049 //_____________________________________________________________________________
1050 void AliCDBGrid::QueryValidFiles()
1051 {
1052 // Query the CDB for files valid for AliCDBStorage::fRun
1053 // fills list fValidFileIds with AliCDBId objects created from file name
1054
1055         TString filter;
1056         MakeQueryFilter(fRun, fRun, fMetaDataFilter, filter);
1057
1058         TString path = fPathFilter.GetPath();
1059
1060         TString pattern = "Run*";
1061         TString optionQuery = "-y";
1062         if(fVersion >= 0) {
1063                 pattern += Form("_v%d_s0", fVersion);
1064                 optionQuery = "";
1065         }
1066         pattern += ".root";
1067         AliDebug(2,Form("pattern: %s", pattern.Data()));
1068
1069         TString addFolder = "";
1070         if (!path.Contains("*")){
1071                 if (!path.BeginsWith("/")) addFolder += "/";
1072                 addFolder += path;
1073         }
1074         else{
1075                 if (path.BeginsWith("/")) path.Remove(0,1);
1076                 if (path.EndsWith("/")) path.Remove(path.Length()-1,1);
1077                 TObjArray* tokenArr = path.Tokenize("/");
1078                 if (tokenArr->GetEntries() != 3) {
1079                         AliError("Not a 3 level path! Keeping old query...");
1080                         pattern.Prepend(path+"/");
1081                 }
1082                 else{
1083                         TString str0 = ((TObjString*)tokenArr->At(0))->String();
1084                         TString str1 = ((TObjString*)tokenArr->At(1))->String();
1085                         TString str2 = ((TObjString*)tokenArr->At(2))->String();
1086                         if (str0 != "*" && str1 != "*" && str2 == "*"){
1087                                 // e.g. "ITS/Calib/*"
1088                                 addFolder = "/"+str0+"/"+str1;
1089                         }
1090                         else if (str0 != "*" && str1 == "*" && str2 == "*"){
1091                                 // e.g. "ITS/*/*"
1092                                 addFolder = "/"+str0;
1093                         }
1094                         else if (str0 == "*" && str1 == "*" && str2 == "*"){
1095                                 // e.g. "*/*/*"
1096                                 // do nothing: addFolder is already an empty string;
1097                         }
1098                         else{
1099                                 // e.g. "ITS/*/RecoParam"
1100                                 pattern.Prepend(path+"/");
1101                         }
1102                 }
1103                 delete tokenArr; tokenArr=0;
1104         }
1105
1106         TString folderCopy(Form("%s%s",fDBFolder.Data(),addFolder.Data()));
1107
1108         AliDebug(2,Form("fDBFolder = %s, pattern = %s, filter = %s",folderCopy.Data(), pattern.Data(), filter.Data()));
1109
1110         if (optionQuery == "-y"){
1111                 AliInfo("Only latest version will be returned");
1112         }
1113
1114         TGridResult *res = gGrid->Query(folderCopy, pattern, filter, optionQuery.Data());
1115
1116         if (!res) {
1117                 AliError("Grid query failed");
1118                 return;
1119         }
1120
1121         TIter next(res);
1122         TMap *map;
1123         while ((map = (TMap*)next())) {
1124           TObjString *entry;
1125           if ((entry = (TObjString *) ((TMap *)map)->GetValue("lfn"))) {
1126             TString& filename = entry->String();
1127             if(filename.IsNull()) continue;
1128             AliDebug(2,Form("Found valid file: %s", filename.Data()));
1129             AliCDBId *validFileId = new AliCDBId;
1130             Bool_t result = FilenameToId(filename, *validFileId);
1131             if(result) {
1132               fValidFileIds.AddLast(validFileId);
1133             }
1134             else {
1135               delete validFileId;
1136             }
1137           }
1138         }
1139         delete res;
1140
1141 }
1142
1143 //_____________________________________________________________________________
1144 void AliCDBGrid::MakeQueryFilter(Int_t firstRun, Int_t lastRun,
1145                                         const AliCDBMetaData* md, TString& result) const
1146 {
1147 // create filter for file query
1148
1149         result = Form("CDB:first_run<=%d and CDB:last_run>=%d", firstRun, lastRun);
1150
1151 //      if(version >= 0) {
1152 //              result += Form(" and CDB:version=%d", version);
1153 //      }
1154 //      if(pathFilter.GetLevel0() != "*") {
1155 //              result += Form(" and CDB:path_level_0=\"%s\"", pathFilter.GetLevel0().Data());
1156 //      }
1157 //      if(pathFilter.GetLevel1() != "*") {
1158 //              result += Form(" and CDB:path_level_1=\"%s\"", pathFilter.GetLevel1().Data());
1159 //      }
1160 //      if(pathFilter.GetLevel2() != "*") {
1161 //              result += Form(" and CDB:path_level_2=\"%s\"", pathFilter.GetLevel2().Data());
1162 //      }
1163
1164         if(md){
1165                 if(md->GetObjectClassName()[0] != '\0') {
1166                         result += Form(" and CDB_MD:object_classname=\"%s\"", md->GetObjectClassName());
1167                 }
1168                 if(md->GetResponsible()[0] != '\0') {
1169                         result += Form(" and CDB_MD:responsible=\"%s\"", md->GetResponsible());
1170                 }
1171                 if(md->GetBeamPeriod() != 0) {
1172                         result += Form(" and CDB_MD:beam_period=%d", md->GetBeamPeriod());
1173                 }
1174                 if(md->GetAliRootVersion()[0] != '\0') {
1175                         result += Form(" and CDB_MD:aliroot_version=\"%s\"", md->GetAliRootVersion());
1176                 }
1177                 if(md->GetComment()[0] != '\0') {
1178                         result += Form(" and CDB_MD:comment=\"%s\"", md->GetComment());
1179                 }
1180         }
1181         AliDebug(2, Form("filter: %s",result.Data()));
1182
1183 }
1184
1185
1186 /////////////////////////////////////////////////////////////////////////////////////////////////
1187 //                                                                                             //
1188 // AliCDBGrid factory                                                                          //
1189 //                                                                                             //
1190 /////////////////////////////////////////////////////////////////////////////////////////////////
1191
1192 ClassImp(AliCDBGridFactory)
1193
1194 //_____________________________________________________________________________
1195 Bool_t AliCDBGridFactory::Validate(const char* gridString) {
1196 // check if the string is valid Grid URI
1197
1198         TRegexp gridPattern("^alien://.+$");
1199
1200         return TString(gridString).Contains(gridPattern);
1201 }
1202
1203 //_____________________________________________________________________________
1204 AliCDBParam* AliCDBGridFactory::CreateParameter(const char* gridString) {
1205 // create AliCDBGridParam class from the URI string
1206
1207         if (!Validate(gridString)) {
1208                 return NULL;
1209         }
1210
1211         TString buffer(gridString);
1212
1213         TString gridUrl         = "alien://";
1214         TString user            = "";
1215         TString dbFolder        = "";
1216         TString se              = "default";
1217         TString cacheFolder     = "";
1218         Bool_t  operateDisconnected = kTRUE;
1219         Long64_t cacheSize          = (UInt_t) 1024*1024*1024; // 1GB
1220         Long_t cleanupInterval      = 0;
1221
1222         TObjArray *arr = buffer.Tokenize('?');
1223         TIter iter(arr);
1224         TObjString *str = 0;
1225
1226         while((str = (TObjString*) iter.Next())){
1227                 TString entry(str->String());
1228                 Int_t indeq = entry.Index('=');
1229                 if(indeq == -1) {
1230                         if(entry.BeginsWith("alien://")) { // maybe it's a gridUrl!
1231                                 gridUrl = entry;
1232                                 continue;
1233                         } else {
1234                                 AliError(Form("Invalid entry! %s",entry.Data()));
1235                                 continue;
1236                         }
1237                 }
1238
1239                 TString key = entry(0,indeq);
1240                 TString value = entry(indeq+1,entry.Length()-indeq);
1241
1242                 if(key.Contains("grid",TString::kIgnoreCase)) {
1243                         gridUrl += value;
1244                 }
1245                 else if (key.Contains("user",TString::kIgnoreCase)){
1246                         user = value;
1247                 }
1248                 else if (key.Contains("se",TString::kIgnoreCase)){
1249                         se = value;
1250                 }
1251                 else if (key.Contains("cacheF",TString::kIgnoreCase)){
1252                         cacheFolder = value;
1253                         if (!cacheFolder.IsNull() && !cacheFolder.EndsWith("/"))
1254                                 cacheFolder += "/";
1255                 }
1256                 else if (key.Contains("folder",TString::kIgnoreCase)){
1257                         dbFolder = value;
1258                 }
1259                 else if (key.Contains("operateDisc",TString::kIgnoreCase)){
1260                         if(value == "kTRUE") {
1261                                 operateDisconnected = kTRUE;
1262                         } else if (value == "kFALSE") {
1263                                 operateDisconnected = kFALSE;
1264                         } else if (value == "0" || value == "1") {
1265                                 operateDisconnected = (Bool_t) value.Atoi();
1266                         } else {
1267                                 AliError(Form("Invalid entry! %s",entry.Data()));
1268                                 return NULL;
1269                         }
1270                 }
1271                 else if (key.Contains("cacheS",TString::kIgnoreCase)){
1272                         if(value.IsDigit()) {
1273                                 cacheSize = value.Atoi();
1274                         } else {
1275                                 AliError(Form("Invalid entry! %s",entry.Data()));
1276                                 return NULL;
1277                         }
1278                 }
1279                 else if (key.Contains("cleanupInt",TString::kIgnoreCase)){
1280                         if(value.IsDigit()) {
1281                                 cleanupInterval = value.Atoi();
1282                         } else {
1283                                 AliError(Form("Invalid entry! %s",entry.Data()));
1284                                 return NULL;
1285                         }
1286                 }
1287                 else{
1288                         AliError(Form("Invalid entry! %s",entry.Data()));
1289                         return NULL;
1290                 }
1291         }
1292         delete arr; arr=0;
1293
1294         AliDebug(2, Form("gridUrl:      %s", gridUrl.Data()));
1295         AliDebug(2, Form("user: %s", user.Data()));
1296         AliDebug(2, Form("dbFolder:     %s", dbFolder.Data()));
1297         AliDebug(2, Form("s.e.: %s", se.Data()));
1298         AliDebug(2, Form("local cache folder: %s", cacheFolder.Data()));
1299         AliDebug(2, Form("local cache operate disconnected: %d", operateDisconnected));
1300         AliDebug(2, Form("local cache size: %lld", cacheSize));
1301         AliDebug(2, Form("local cache cleanup interval: %ld", cleanupInterval));
1302
1303         if(dbFolder == ""){
1304                 AliError("Base folder must be specified!");
1305                 return NULL;
1306         }
1307
1308         return new AliCDBGridParam(gridUrl.Data(), user.Data(),
1309                           dbFolder.Data(), se.Data(), cacheFolder.Data(),
1310                           operateDisconnected, cacheSize, cleanupInterval);
1311 }
1312
1313 //_____________________________________________________________________________
1314 AliCDBStorage* AliCDBGridFactory::Create(const AliCDBParam* param) {
1315 // create AliCDBGrid storage instance from parameters
1316
1317         AliCDBGrid *grid = 0;
1318         if (AliCDBGridParam::Class() == param->IsA()) {
1319
1320                 const AliCDBGridParam* gridParam = (const AliCDBGridParam*) param;
1321                 grid = new AliCDBGrid(gridParam->GridUrl().Data(),
1322                                       gridParam->GetUser().Data(),
1323                                       gridParam->GetDBFolder().Data(),
1324                                       gridParam->GetSE().Data(),
1325                                       gridParam->GetCacheFolder().Data(),
1326                                       gridParam->GetOperateDisconnected(),
1327                                       gridParam->GetCacheSize(),
1328                                       gridParam->GetCleanupInterval());
1329
1330         }
1331
1332         if(!gGrid && grid) {
1333                 delete grid; grid=0;
1334         }
1335
1336         return grid;
1337 }
1338
1339 /////////////////////////////////////////////////////////////////////////////////////////////////
1340 //                                                                                             //
1341 // AliCDBGrid Parameter class                                                                  //                                         //
1342 //                                                                                             //
1343 /////////////////////////////////////////////////////////////////////////////////////////////////
1344
1345 ClassImp(AliCDBGridParam)
1346
1347 //_____________________________________________________________________________
1348 AliCDBGridParam::AliCDBGridParam():
1349  AliCDBParam(),
1350  fGridUrl(),
1351  fUser(),
1352  fDBFolder(),
1353  fSE(),
1354  fCacheFolder(),
1355  fOperateDisconnected(),
1356  fCacheSize(),
1357  fCleanupInterval()
1358
1359  {
1360 // default constructor
1361
1362 }
1363
1364 //_____________________________________________________________________________
1365 AliCDBGridParam::AliCDBGridParam(const char* gridUrl, const char* user, const char* dbFolder,
1366                                 const char* se, const char* cacheFolder, Bool_t operateDisconnected,
1367                                 Long64_t cacheSize, Long_t cleanupInterval):
1368  AliCDBParam(),
1369  fGridUrl(gridUrl),
1370  fUser(user),
1371  fDBFolder(dbFolder),
1372  fSE(se),
1373  fCacheFolder(cacheFolder),
1374  fOperateDisconnected(operateDisconnected),
1375  fCacheSize(cacheSize),
1376  fCleanupInterval(cleanupInterval)
1377 {
1378 // constructor
1379
1380         SetType("alien");
1381
1382         TString uri = Form("%s?User=%s?DBFolder=%s?SE=%s?CacheFolder=%s"
1383                         "?OperateDisconnected=%d?CacheSize=%lld?CleanupInterval=%ld",
1384                         fGridUrl.Data(), fUser.Data(),
1385                         fDBFolder.Data(), fSE.Data(), fCacheFolder.Data(),
1386                         fOperateDisconnected, fCacheSize, fCleanupInterval);
1387
1388         SetURI(uri.Data());
1389 }
1390
1391 //_____________________________________________________________________________
1392 AliCDBGridParam::~AliCDBGridParam() {
1393 // destructor
1394
1395 }
1396
1397 //_____________________________________________________________________________
1398 AliCDBParam* AliCDBGridParam::CloneParam() const {
1399 // clone parameter
1400
1401         return new AliCDBGridParam(fGridUrl.Data(), fUser.Data(),
1402                                         fDBFolder.Data(), fSE.Data(), fCacheFolder.Data(),
1403                                         fOperateDisconnected, fCacheSize, fCleanupInterval);
1404 }
1405
1406 //_____________________________________________________________________________
1407 ULong_t AliCDBGridParam::Hash() const {
1408 // return Hash function
1409
1410         return fGridUrl.Hash()+fUser.Hash()+fDBFolder.Hash()+fSE.Hash()+fCacheFolder.Hash();
1411 }
1412
1413 //_____________________________________________________________________________
1414 Bool_t AliCDBGridParam::IsEqual(const TObject* obj) const {
1415 // check if this object is equal to AliCDBParam obj
1416
1417         if (this == obj) {
1418                 return kTRUE;
1419         }
1420
1421         if (AliCDBGridParam::Class() != obj->IsA()) {
1422                 return kFALSE;
1423         }
1424
1425         AliCDBGridParam* other = (AliCDBGridParam*) obj;
1426
1427         if(fGridUrl != other->fGridUrl) return kFALSE;
1428         if(fUser != other->fUser) return kFALSE;
1429         if(fDBFolder != other->fDBFolder) return kFALSE;
1430         if(fSE != other->fSE) return kFALSE;
1431         if(fCacheFolder != other->fCacheFolder) return kFALSE;
1432         if(fOperateDisconnected != other->fOperateDisconnected) return kFALSE;
1433         if(fCacheSize != other->fCacheSize) return kFALSE;
1434         if(fCleanupInterval != other->fCleanupInterval) return kFALSE;
1435         return kTRUE;
1436 }
1437