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