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 the file in the OCDB - Attempt n. %d",fNretry-remainingAttempts+1));
 769                 file = TFile::Open(fullFilename,"CREATE");
 770                 remainingAttempts--;
 771                 if(!file || !file->IsWritable()){
 772                     AliError(Form("Can't open file <%s>!", filename.Data()));
 773                     if(file && !file->IsWritable()) file->Close(); delete file; file=0;
 774                     AliDebug(2,Form("Attempt %d failed, sleeping for %d seconds",fNretry-remainingAttempts+1,nsleep));
 775                     if(remainingAttempts>0) sleep(nsleep);
 776                 }else{
 777                     remainingAttempts=0;
 778                 }
 779                 nsleep*=fInitRetrySeconds;
 780             }
 781             remainingSEs--;
 782             if(file) break;
 783         }
 784         if(!file){
 785             AliError(Form("All %d attempts have failed on all %d SEs. Returning...",fNretry,nSEs));
 786             return kFALSE;
 787         }
 788
 789
 790         file->cd();
 791
 792         //SetTreeToFile(entry, file);
 793
 794         entry->SetVersion(id.GetVersion());
 795
 796         // write object (key name: "AliCDBEntry")
 797         Bool_t result = (file->WriteTObject(entry, "AliCDBEntry") != 0);
 798         if (!result) AliError(Form("Can't write entry to file <%s>!", filename.Data()));
 799
 800
 801         if (saveDir) saveDir->cd(); else gROOT->cd();
 802         file->Close(); delete file; file=0;
 803
 804         if(result) {
 805
 806                 if(!TagFileId(filename, &id)){
 807                         AliInfo(Form("CDB tagging failed. Deleting file %s!",filename.Data()));
 808                         if(!gGrid->Rm(filename.Data()))
 809                                 AliError("Can't delete file!");
 810                         return kFALSE;
 811                 }
 812
 813                 TagFileMetaData(filename, entry->GetMetaData());
 814         }
 815
 816         AliInfo(Form("CDB object stored into file %s", filename.Data()));
 817         if(nSEs==0)
 818             AliInfo(Form("Storage Element: %s", fSE.Data()));
 819         else
 820             AliInfo(Form("Storage Element: %s", targetSE.Data()));
 821
 822         //In case of other SEs specified by the user, mirror the file to the remaining SEs
 823         while(remainingSEs>0){
 824             TString mirrorCmd("mirror ");
 825             mirrorCmd += filename;
 826             mirrorCmd += " ";
 827             TObjString *target = (TObjString*) arraySEs->At(nSEs-remainingSEs);
 828             TString mirrorSE(target->String());
 829             mirrorCmd += mirrorSE;
 830             AliDebug(5,Form("mirror command: \"%s\"",mirrorCmd.Data()));
 831             AliInfo(Form("Mirroring to storage element: %s", mirrorSE.Data()));
 832             gGrid->Command(mirrorCmd.Data());
 833             remainingSEs--;
 834         }
 835
 836         return result;
 837 }
 838
 839 //_____________________________________________________________________________
 840 Bool_t AliCDBGrid::AddTag(TString& folderToTag, const char* tagname){
 841 // add "tagname" tag (CDB or CDB_MD) to folder where object will be stored
 842
 843         Bool_t result = kTRUE;
 844         AliDebug(2, Form("adding %s tag to folder %s", tagname, folderToTag.Data()));
 845         TString addTag = Form("addTag %s %s", folderToTag.Data(), tagname);
 846         TGridResult *gridres = gGrid->Command(addTag.Data());
 847         const char* resCode = gridres->GetKey(0,"__result__"); // '1' if success
 848         if(resCode[0] != '1') {
 849                 AliError(Form("Couldn't add %s tags to folder %s !",
 850                                                 tagname, folderToTag.Data()));
 851                 result = kFALSE;
 852         }
 853         delete gridres;
 854         return result;
 855 }
 856
 857 //_____________________________________________________________________________
 858 Bool_t AliCDBGrid::TagFileId(TString& filename, const AliCDBId* id){
 859 // tag stored object in CDB table using object Id's parameters
 860
 861
 862         TString dirname(filename);
 863         Int_t dirNumber = gGrid->Mkdir(dirname.Remove(dirname.Last('/')),"-d");
 864
 865         TString addTagValue1 = Form("addTagValue %s CDB ", filename.Data());
 866         TString addTagValue2 = Form("first_run=%d last_run=%d version=%d ",
 867                                         id->GetFirstRun(),
 868                                         id->GetLastRun(),
 869                                         id->GetVersion());
 870         TString addTagValue3 = Form("path_level_0=\"%s\" path_level_1=\"%s\" path_level_2=\"%s\" ",
 871                                         id->GetPathLevel(0).Data(),
 872                                         id->GetPathLevel(1).Data(),
 873                                         id->GetPathLevel(2).Data());
 874         //TString addTagValue4 = Form("version_path=\"%s\" dir_number=%d",Form("%d_%s",id->GetVersion(),filename.Data()),dirNumber);
 875         TString addTagValue4 = Form("version_path=\"%09d%s\" dir_number=%d",id->GetVersion(),filename.Data(),dirNumber);
 876         TString addTagValue = Form("%s%s%s%s",
 877                                         addTagValue1.Data(),
 878                                         addTagValue2.Data(),
 879                                         addTagValue3.Data(),
 880                                         addTagValue4.Data());
 881
 882         Bool_t result = kFALSE;
 883         AliDebug(2, Form("Tagging file. Tag command: %s", addTagValue.Data()));
 884         TGridResult* res = gGrid->Command(addTagValue.Data());
 885         const char* resCode = res->GetKey(0,"__result__"); // '1' if success
 886         if(resCode[0] != '1') {
 887                 AliError(Form("Couldn't add CDB tag value to file %s !",
 888                                                 filename.Data()));
 889                 result = kFALSE;
 890         } else {
 891                 AliDebug(2, "Object successfully tagged.");
 892                 result = kTRUE;
 893         }
 894         delete res;
 895         return result;
 896
 897 }
 898
 899 //_____________________________________________________________________________
 900 Bool_t AliCDBGrid::TagShortLived(TString& filename, Bool_t value){
 901 // tag folder with ShortLived tag
 902
 903         TString addTagValue = Form("addTagValue %s ShortLived_try value=%d", filename.Data(), value);
 904
 905         Bool_t result = kFALSE;
 906         AliDebug(2, Form("Tagging file. Tag command: %s", addTagValue.Data()));
 907         TGridResult* res = gGrid->Command(addTagValue.Data());
 908         const char* resCode = res->GetKey(0,"__result__"); // '1' if success
 909         if(resCode[0] != '1') {
 910                 AliError(Form("Couldn't add ShortLived tag value to file %s !", filename.Data()));
 911                 result = kFALSE;
 912         } else {
 913                 AliDebug(2,"Object successfully tagged.");
 914                 result = kTRUE;
 915         }
 916         delete res;
 917         return result;
 918
 919 }
 920
 921 //_____________________________________________________________________________
 922 Bool_t AliCDBGrid::TagFileMetaData(TString& filename, const AliCDBMetaData* md){
 923 // tag stored object in CDB table using object Id's parameters
 924
 925         TString addTagValue1 = Form("addTagValue %s CDB_MD ", filename.Data());
 926         TString addTagValue2 = Form("object_classname=\"%s\" responsible=\"%s\" beam_period=%d ",
 927                                         md->GetObjectClassName(),
 928                                         md->GetResponsible(),
 929                                         md->GetBeamPeriod());
 930         TString addTagValue3 = Form("aliroot_version=\"%s\" comment=\"%s\"",
 931                                         md->GetAliRootVersion(),
 932                                         md->GetComment());
 933         TString addTagValue = Form("%s%s%s",
 934                                         addTagValue1.Data(),
 935                                         addTagValue2.Data(),
 936                                         addTagValue3.Data());
 937
 938         Bool_t result = kFALSE;
 939         AliDebug(2, Form("Tagging file. Tag command: %s", addTagValue.Data()));
 940         TGridResult* res = gGrid->Command(addTagValue.Data());
 941         const char* resCode = res->GetKey(0,"__result__"); // '1' if success
 942         if(resCode[0] != '1') {
 943                 AliWarning(Form("Couldn't add CDB_MD tag value to file %s !",
 944                                                 filename.Data()));
 945                 result = kFALSE;
 946         } else {
 947                 AliDebug(2,"Object successfully tagged.");
 948                 result = kTRUE;
 949         }
 950         return result;
 951 }
 952
 953 //_____________________________________________________________________________
 954 TList* AliCDBGrid::GetIdListFromFile(const char* fileName){
 955
 956         TString turl(fileName);
 957         turl.Prepend("/alien" + fDBFolder);
 958         turl += "?se="; turl += fSE.Data();
 959         TFile *file = TFile::Open(turl);
 960         if (!file) {
 961                 AliError(Form("Can't open selection file <%s>!", turl.Data()));
 962                 return NULL;
 963         }
 964
 965         TList *list = new TList();
 966         list->SetOwner();
 967         int i=0;
 968         TString keycycle;
 969
 970         AliCDBId *id;
 971         while(1){
 972                 i++;
 973                 keycycle = "AliCDBId;";
 974                 keycycle+=i;
 975
 976                 id = (AliCDBId*) file->Get(keycycle);
 977                 if(!id) break;
 978                 list->AddFirst(id);
 979         }
 980         file->Close(); delete file; file=0;
 981
 982         return list;
 983
 984
 985 }
 986
 987 //_____________________________________________________________________________
 988 Bool_t AliCDBGrid::Contains(const char* path) const{
 989 // check for path in storage's DBFolder
 990
 991         TString initDir(gGrid->Pwd(0));
 992         TString dirName(fDBFolder);
 993         dirName += path; // dirName = fDBFolder/path
 994         Bool_t result=kFALSE;
 995         if (gGrid->Cd(dirName,0)) result=kTRUE;
 996         gGrid->Cd(initDir.Data(),0);
 997         return result;
 998 }
 999
1000 //_____________________________________________________________________________
1001 void AliCDBGrid::QueryValidFiles()
1002 {
1003 // Query the CDB for files valid for AliCDBStorage::fRun
1004 // fills list fValidFileIds with AliCDBId objects created from file name
1005
1006         TString filter;
1007         MakeQueryFilter(fRun, fRun, fMetaDataFilter, filter);
1008
1009         TString path = fPathFilter.GetPath();
1010
1011         TString pattern = "Run*";
1012         TString optionQuery = "-y";
1013         if(fVersion >= 0) {
1014                 pattern += Form("_v%d_s0", fVersion);
1015                 optionQuery = "";
1016         }
1017         pattern += ".root";
1018         AliDebug(2,Form("pattern: %s", pattern.Data()));
1019
1020         TString addFolder = "";
1021         if (!path.Contains("*")){
1022                 if (!path.BeginsWith("/")) addFolder += "/";
1023                 addFolder += path;
1024         }
1025         else{
1026                 if (path.BeginsWith("/")) path.Remove(0,1);
1027                 if (path.EndsWith("/")) path.Remove(path.Length()-1,1);
1028                 TObjArray* tokenArr = path.Tokenize("/");
1029                 if (tokenArr->GetEntries() != 3) {
1030                         AliError("Not a 3 level path! Keeping old query...");
1031                         pattern.Prepend(path+"/");
1032                 }
1033                 else{
1034                         TString str0 = ((TObjString*)tokenArr->At(0))->String();
1035                         TString str1 = ((TObjString*)tokenArr->At(1))->String();
1036                         TString str2 = ((TObjString*)tokenArr->At(2))->String();
1037                         if (str0 != "*" && str1 != "*" && str2 == "*"){
1038                                 // e.g. "ITS/Calib/*"
1039                                 addFolder = "/"+str0+"/"+str1;
1040                         }
1041                         else if (str0 != "*" && str1 == "*" && str2 == "*"){
1042                                 // e.g. "ITS/*/*"
1043                                 addFolder = "/"+str0;
1044                         }
1045                         else if (str0 == "*" && str1 == "*" && str2 == "*"){
1046                                 // e.g. "*/*/*"
1047                                 // do nothing: addFolder is already an empty string;
1048                         }
1049                         else{
1050                                 // e.g. "ITS/*/RecoParam"
1051                                 pattern.Prepend(path+"/");
1052                         }
1053                 }
1054                 delete tokenArr; tokenArr=0;
1055         }
1056
1057         TString folderCopy(Form("%s%s",fDBFolder.Data(),addFolder.Data()));
1058
1059         AliDebug(2,Form("fDBFolder = %s, pattern = %s, filter = %s",folderCopy.Data(), pattern.Data(), filter.Data()));
1060
1061         if (optionQuery == "-y"){
1062                 AliInfo("Only latest version will be returned");
1063         }
1064
1065         TGridResult *res = gGrid->Query(folderCopy, pattern, filter, optionQuery.Data());
1066
1067         if (!res) {
1068                 AliError("Grid query failed");
1069                 return;
1070         }
1071
1072         TIter next(res);
1073         TMap *map;
1074         while ((map = (TMap*)next())) {
1075           TObjString *entry;
1076           if ((entry = (TObjString *) ((TMap *)map)->GetValue("lfn"))) {
1077             TString& filename = entry->String();
1078             if(filename.IsNull()) continue;
1079             AliDebug(2,Form("Found valid file: %s", filename.Data()));
1080             AliCDBId *validFileId = new AliCDBId;
1081             Bool_t result = FilenameToId(filename, *validFileId);
1082             if(result) {
1083               fValidFileIds.AddLast(validFileId);
1084             }
1085             else {
1086               delete validFileId;
1087             }
1088           }
1089         }
1090         delete res;
1091
1092 }
1093
1094 //_____________________________________________________________________________
1095 void AliCDBGrid::MakeQueryFilter(Int_t firstRun, Int_t lastRun,
1096                                         const AliCDBMetaData* md, TString& result) const
1097 {
1098 // create filter for file query
1099
1100         result = Form("CDB:first_run<=%d and CDB:last_run>=%d", firstRun, lastRun);
1101
1102 //      if(version >= 0) {
1103 //              result += Form(" and CDB:version=%d", version);
1104 //      }
1105 //      if(pathFilter.GetLevel0() != "*") {
1106 //              result += Form(" and CDB:path_level_0=\"%s\"", pathFilter.GetLevel0().Data());
1107 //      }
1108 //      if(pathFilter.GetLevel1() != "*") {
1109 //              result += Form(" and CDB:path_level_1=\"%s\"", pathFilter.GetLevel1().Data());
1110 //      }
1111 //      if(pathFilter.GetLevel2() != "*") {
1112 //              result += Form(" and CDB:path_level_2=\"%s\"", pathFilter.GetLevel2().Data());
1113 //      }
1114
1115         if(md){
1116                 if(md->GetObjectClassName()[0] != '\0') {
1117                         result += Form(" and CDB_MD:object_classname=\"%s\"", md->GetObjectClassName());
1118                 }
1119                 if(md->GetResponsible()[0] != '\0') {
1120                         result += Form(" and CDB_MD:responsible=\"%s\"", md->GetResponsible());
1121                 }
1122                 if(md->GetBeamPeriod() != 0) {
1123                         result += Form(" and CDB_MD:beam_period=%d", md->GetBeamPeriod());
1124                 }
1125                 if(md->GetAliRootVersion()[0] != '\0') {
1126                         result += Form(" and CDB_MD:aliroot_version=\"%s\"", md->GetAliRootVersion());
1127                 }
1128                 if(md->GetComment()[0] != '\0') {
1129                         result += Form(" and CDB_MD:comment=\"%s\"", md->GetComment());
1130                 }
1131         }
1132         AliDebug(2, Form("filter: %s",result.Data()));
1133
1134 }
1135
1136 //_____________________________________________________________________________
1137 Int_t AliCDBGrid::GetLatestVersion(const char* path, Int_t run){
1138 // get last version found in the database valid for run and path
1139
1140         AliCDBPath aCDBPath(path);
1141         if(!aCDBPath.IsValid() || aCDBPath.IsWildcard()) {
1142                 AliError(Form("Invalid path in request: %s", path));
1143                 return -1;
1144         }
1145         AliCDBId query(path, run, run, -1, -1);
1146
1147         AliCDBId* dataId = 0;
1148         // look for file matching query requests (path, runRange, version)
1149         if(run == fRun && fPathFilter.Comprises(aCDBPath) && fVersion < 0){
1150                 // look into list of valid files previously loaded with AliCDBStorage::FillValidFileIds()
1151                 AliDebug(2, Form("List of files valid for run %d and for path %s was loaded. Looking there!",
1152                                         run, path));
1153                 dataId = GetId(fValidFileIds, query);
1154                 if (!dataId) return -1;
1155                 Int_t version = dataId->GetVersion();
1156                 delete dataId;
1157                 return version;
1158
1159         }
1160         // List of files valid for reqested run was not loaded. Looking directly into CDB
1161         AliDebug(2, Form("List of files valid for run %d and for path %s was not loaded. Looking directly into CDB!",
1162                                 run, path));
1163
1164         TObjArray validFileIds;
1165         validFileIds.SetOwner(1);
1166
1167         TString filter;
1168         MakeQueryFilter(run, run, 0, filter);
1169
1170         TString pattern = ".root";
1171
1172         TString folderCopy(Form("%s%s/Run",fDBFolder.Data(),path));
1173
1174         AliDebug(2,Form("** fDBFolder = %s, pattern = %s, filter = %s",folderCopy.Data(), pattern.Data(), filter.Data()));
1175         TGridResult *res = gGrid->Query(folderCopy, pattern, filter, "-y -m");
1176
1177         AliCDBId validFileId;
1178         if (res->GetEntries()>1){
1179                 AliWarning("Number of found entries >1, even if option -y was used");
1180                 for(int i=0; i<res->GetEntries(); i++){
1181                         TString filename = res->GetKey(i, "lfn");
1182                         if(filename == "") continue;
1183                         if(FilenameToId(filename, validFileId))
1184                                 validFileIds.AddLast(validFileId.Clone());
1185                 }
1186                 dataId = GetId(validFileIds, query);
1187                 if (!dataId) return -1;
1188
1189                 Int_t version = dataId->GetVersion();
1190                 delete dataId;
1191                 return version;
1192         }
1193         else if (res->GetEntries()==1){
1194                 TString filename = res->GetKey(0, "lfn");
1195                 if(filename == "") {
1196                         AliError("The only entry found has filename empty");
1197                         return -1;
1198                 }
1199                 if(FilenameToId(filename, validFileId)) return validFileId.GetVersion();
1200                 else{
1201                         AliError("Impossible to get FileId from filename");
1202                         return -1;
1203                 }
1204         }
1205         else {
1206                 AliError("No entries found");
1207                 return -1;
1208         }
1209
1210         delete res;
1211
1212
1213 }
1214
1215 //_____________________________________________________________________________
1216 Int_t AliCDBGrid::GetLatestSubVersion(const char* /*path*/, Int_t /*run*/, Int_t /*version*/){
1217 // get last subversion found in the database valid for run and path
1218         AliError("Objects in GRID storage have no sub version!");
1219         return -1;
1220 }
1221
1222
1223 /////////////////////////////////////////////////////////////////////////////////////////////////
1224 //                                                                                             //
1225 // AliCDBGrid factory                                                                          //
1226 //                                                                                             //
1227 /////////////////////////////////////////////////////////////////////////////////////////////////
1228
1229 ClassImp(AliCDBGridFactory)
1230
1231 //_____________________________________________________________________________
1232 Bool_t AliCDBGridFactory::Validate(const char* gridString) {
1233 // check if the string is valid Grid URI
1234
1235         TRegexp gridPattern("^alien://.+$");
1236
1237         return TString(gridString).Contains(gridPattern);
1238 }
1239
1240 //_____________________________________________________________________________
1241 AliCDBParam* AliCDBGridFactory::CreateParameter(const char* gridString) {
1242 // create AliCDBGridParam class from the URI string
1243
1244         if (!Validate(gridString)) {
1245                 return NULL;
1246         }
1247
1248         TString buffer(gridString);
1249
1250         TString gridUrl         = "alien://";
1251         TString user            = "";
1252         TString dbFolder        = "";
1253         TString se              = "default";
1254         TString cacheFolder     = "";
1255         Bool_t  operateDisconnected = kTRUE;
1256         Long64_t cacheSize          = (UInt_t) 1024*1024*1024; // 1GB
1257         Long_t cleanupInterval      = 0;
1258
1259         TObjArray *arr = buffer.Tokenize('?');
1260         TIter iter(arr);
1261         TObjString *str = 0;
1262
1263         while((str = (TObjString*) iter.Next())){
1264                 TString entry(str->String());
1265                 Int_t indeq = entry.Index('=');
1266                 if(indeq == -1) {
1267                         if(entry.BeginsWith("alien://")) { // maybe it's a gridUrl!
1268                                 gridUrl = entry;
1269                                 continue;
1270                         } else {
1271                                 AliError(Form("Invalid entry! %s",entry.Data()));
1272                                 continue;
1273                         }
1274                 }
1275
1276                 TString key = entry(0,indeq);
1277                 TString value = entry(indeq+1,entry.Length()-indeq);
1278
1279                 if(key.Contains("grid",TString::kIgnoreCase)) {
1280                         gridUrl += value;
1281                 }
1282                 else if (key.Contains("user",TString::kIgnoreCase)){
1283                         user = value;
1284                 }
1285                 else if (key.Contains("se",TString::kIgnoreCase)){
1286                         se = value;
1287                 }
1288                 else if (key.Contains("cacheF",TString::kIgnoreCase)){
1289                         cacheFolder = value;
1290                         if (!cacheFolder.IsNull() && !cacheFolder.EndsWith("/"))
1291                                 cacheFolder += "/";
1292                 }
1293                 else if (key.Contains("folder",TString::kIgnoreCase)){
1294                         dbFolder = value;
1295                 }
1296                 else if (key.Contains("operateDisc",TString::kIgnoreCase)){
1297                         if(value == "kTRUE") {
1298                                 operateDisconnected = kTRUE;
1299                         } else if (value == "kFALSE") {
1300                                 operateDisconnected = kFALSE;
1301                         } else if (value == "0" || value == "1") {
1302                                 operateDisconnected = (Bool_t) value.Atoi();
1303                         } else {
1304                                 AliError(Form("Invalid entry! %s",entry.Data()));
1305                                 return NULL;
1306                         }
1307                 }
1308                 else if (key.Contains("cacheS",TString::kIgnoreCase)){
1309                         if(value.IsDigit()) {
1310                                 cacheSize = value.Atoi();
1311                         } else {
1312                                 AliError(Form("Invalid entry! %s",entry.Data()));
1313                                 return NULL;
1314                         }
1315                 }
1316                 else if (key.Contains("cleanupInt",TString::kIgnoreCase)){
1317                         if(value.IsDigit()) {
1318                                 cleanupInterval = value.Atoi();
1319                         } else {
1320                                 AliError(Form("Invalid entry! %s",entry.Data()));
1321                                 return NULL;
1322                         }
1323                 }
1324                 else{
1325                         AliError(Form("Invalid entry! %s",entry.Data()));
1326                         return NULL;
1327                 }
1328         }
1329         delete arr; arr=0;
1330
1331         AliDebug(2, Form("gridUrl:      %s", gridUrl.Data()));
1332         AliDebug(2, Form("user: %s", user.Data()));
1333         AliDebug(2, Form("dbFolder:     %s", dbFolder.Data()));
1334         AliDebug(2, Form("s.e.: %s", se.Data()));
1335         AliDebug(2, Form("local cache folder: %s", cacheFolder.Data()));
1336         AliDebug(2, Form("local cache operate disconnected: %d", operateDisconnected));
1337         AliDebug(2, Form("local cache size: %lld", cacheSize));
1338         AliDebug(2, Form("local cache cleanup interval: %ld", cleanupInterval));
1339
1340         if(dbFolder == ""){
1341                 AliError("Base folder must be specified!");
1342                 return NULL;
1343         }
1344
1345         return new AliCDBGridParam(gridUrl.Data(), user.Data(),
1346                           dbFolder.Data(), se.Data(), cacheFolder.Data(),
1347                           operateDisconnected, cacheSize, cleanupInterval);
1348 }
1349
1350 //_____________________________________________________________________________
1351 AliCDBStorage* AliCDBGridFactory::Create(const AliCDBParam* param) {
1352 // create AliCDBGrid storage instance from parameters
1353
1354         AliCDBGrid *grid = 0;
1355         if (AliCDBGridParam::Class() == param->IsA()) {
1356
1357                 const AliCDBGridParam* gridParam = (const AliCDBGridParam*) param;
1358                 grid = new AliCDBGrid(gridParam->GridUrl().Data(),
1359                                       gridParam->GetUser().Data(),
1360                                       gridParam->GetDBFolder().Data(),
1361                                       gridParam->GetSE().Data(),
1362                                       gridParam->GetCacheFolder().Data(),
1363                                       gridParam->GetOperateDisconnected(),
1364                                       gridParam->GetCacheSize(),
1365                                       gridParam->GetCleanupInterval());
1366
1367         }
1368
1369         if(!gGrid && grid) {
1370                 delete grid; grid=0;
1371         }
1372
1373         return grid;
1374 }
1375
1376 /////////////////////////////////////////////////////////////////////////////////////////////////
1377 //                                                                                             //
1378 // AliCDBGrid Parameter class                                                                  //                                         //
1379 //                                                                                             //
1380 /////////////////////////////////////////////////////////////////////////////////////////////////
1381
1382 ClassImp(AliCDBGridParam)
1383
1384 //_____________________________________________________________________________
1385 AliCDBGridParam::AliCDBGridParam():
1386  AliCDBParam(),
1387  fGridUrl(),
1388  fUser(),
1389  fDBFolder(),
1390  fSE(),
1391  fCacheFolder(),
1392  fOperateDisconnected(),
1393  fCacheSize(),
1394  fCleanupInterval()
1395
1396  {
1397 // default constructor
1398
1399 }
1400
1401 //_____________________________________________________________________________
1402 AliCDBGridParam::AliCDBGridParam(const char* gridUrl, const char* user, const char* dbFolder,
1403                                 const char* se, const char* cacheFolder, Bool_t operateDisconnected,
1404                                 Long64_t cacheSize, Long_t cleanupInterval):
1405  AliCDBParam(),
1406  fGridUrl(gridUrl),
1407  fUser(user),
1408  fDBFolder(dbFolder),
1409  fSE(se),
1410  fCacheFolder(cacheFolder),
1411  fOperateDisconnected(operateDisconnected),
1412  fCacheSize(cacheSize),
1413  fCleanupInterval(cleanupInterval)
1414 {
1415 // constructor
1416
1417         SetType("alien");
1418
1419         TString uri = Form("%s?User=%s?DBFolder=%s?SE=%s?CacheFolder=%s"
1420                         "?OperateDisconnected=%d?CacheSize=%lld?CleanupInterval=%ld",
1421                         fGridUrl.Data(), fUser.Data(),
1422                         fDBFolder.Data(), fSE.Data(), fCacheFolder.Data(),
1423                         fOperateDisconnected, fCacheSize, fCleanupInterval);
1424
1425         SetURI(uri.Data());
1426 }
1427
1428 //_____________________________________________________________________________
1429 AliCDBGridParam::~AliCDBGridParam() {
1430 // destructor
1431
1432 }
1433
1434 //_____________________________________________________________________________
1435 AliCDBParam* AliCDBGridParam::CloneParam() const {
1436 // clone parameter
1437
1438         return new AliCDBGridParam(fGridUrl.Data(), fUser.Data(),
1439                                         fDBFolder.Data(), fSE.Data(), fCacheFolder.Data(),
1440                                         fOperateDisconnected, fCacheSize, fCleanupInterval);
1441 }
1442
1443 //_____________________________________________________________________________
1444 ULong_t AliCDBGridParam::Hash() const {
1445 // return Hash function
1446
1447         return fGridUrl.Hash()+fUser.Hash()+fDBFolder.Hash()+fSE.Hash()+fCacheFolder.Hash();
1448 }
1449
1450 //_____________________________________________________________________________
1451 Bool_t AliCDBGridParam::IsEqual(const TObject* obj) const {
1452 // check if this object is equal to AliCDBParam obj
1453
1454         if (this == obj) {
1455                 return kTRUE;
1456         }
1457
1458         if (AliCDBGridParam::Class() != obj->IsA()) {
1459                 return kFALSE;
1460         }
1461
1462         AliCDBGridParam* other = (AliCDBGridParam*) obj;
1463
1464         if(fGridUrl != other->fGridUrl) return kFALSE;
1465         if(fUser != other->fUser) return kFALSE;
1466         if(fDBFolder != other->fDBFolder) return kFALSE;
1467         if(fSE != other->fSE) return kFALSE;
1468         if(fCacheFolder != other->fCacheFolder) return kFALSE;
1469         if(fOperateDisconnected != other->fOperateDisconnected) return kFALSE;
1470         if(fCacheSize != other->fCacheSize) return kFALSE;
1471         if(fCleanupInterval != other->fCleanupInterval) return kFALSE;
1472         return kTRUE;
1473 }
1474