zypp/RepoManager.cc

   1 /*---------------------------------------------------------------------\
   2 |                          ____ _   __ __ ___                          |
   3 |                         |__  / \ / / . \ . \                         |
   4 |                           / / \ V /|  _/  _/                         |
   5 |                          / /__ | | | | | |                           |
   6 |                         /_____||_| |_| |_|                           |
   7 |                                                                      |
   8 \---------------------------------------------------------------------*/
   9 /** \file       zypp/RepoManager.cc
  10  *
  11 */
  12
  13 #include <cstdlib>
  14 #include <iostream>
  15 #include <fstream>
  16 #include <sstream>
  17 #include <list>
  18 #include <map>
  19 #include <algorithm>
  20 #include "zypp/base/InputStream.h"
  21 #include "zypp/base/Logger.h"
  22 #include "zypp/base/Gettext.h"
  23 #include "zypp/base/Function.h"
  24 #include "zypp/base/Regex.h"
  25 #include "zypp/PathInfo.h"
  26 #include "zypp/TmpPath.h"
  27
  28 #include "zypp/repo/RepoException.h"
  29 #include "zypp/RepoManager.h"
  30
  31 #include "zypp/media/MediaManager.h"
  32 #include "zypp/MediaSetAccess.h"
  33 #include "zypp/ExternalProgram.h"
  34 #include "zypp/ManagedFile.h"
  35
  36 #include "zypp/parser/RepoFileReader.h"
  37 #include "zypp/repo/yum/Downloader.h"
  38 #include "zypp/parser/yum/RepoParser.h"
  39 #include "zypp/repo/susetags/Downloader.h"
  40 #include "zypp/parser/susetags/RepoParser.h"
  41
  42 #include "zypp/ZYppCallbacks.h"
  43
  44 #include "sat/Pool.h"
  45 #include "satsolver/pool.h"
  46 #include "satsolver/repo.h"
  47 #include "satsolver/repo_solv.h"
  48
  49 using namespace std;
  50 using namespace zypp;
  51 using namespace zypp::repo;
  52 using namespace zypp::filesystem;
  53
  54 using namespace zypp::repo;
  55
  56 ///////////////////////////////////////////////////////////////////
  57 namespace zypp
  58 { /////////////////////////////////////////////////////////////////
  59
  60   ///////////////////////////////////////////////////////////////////
  61   //
  62   //    CLASS NAME : RepoManagerOptions
  63   //
  64   ///////////////////////////////////////////////////////////////////
  65
  66   RepoManagerOptions::RepoManagerOptions()
  67   {
  68     repoCachePath    = ZConfig::instance().repoCachePath();
  69     repoRawCachePath = ZConfig::instance().repoMetadataPath();
  70     repoPackagesCachePath = ZConfig::instance().repoPackagesPath();
  71     knownReposPath   = ZConfig::instance().knownReposPath();
  72     probe            = ZConfig::instance().repo_add_probe();
  73   }
  74
  75   ////////////////////////////////////////////////////////////////////////////
  76
  77   /**
  78     * \short Simple callback to collect the results
  79     *
  80     * Classes like RepoFileParser call the callback
  81     * once per each repo in a file.
  82     *
  83     * Passing this functor as callback, you can collect
  84     * all resuls at the end, without dealing with async
  85     * code.
  86     */
  87     struct RepoCollector
  88     {
  89       RepoCollector()
  90       {}
  91
  92       ~RepoCollector()
  93       {}
  94
  95       bool collect( const RepoInfo &repo )
  96       {
  97         repos.push_back(repo);
  98         return true;
  99       }
 100
 101       RepoInfoList repos;
 102     };
 103
 104   ////////////////////////////////////////////////////////////////////////////
 105
 106   /**
 107    * Reads RepoInfo's from a repo file.
 108    *
 109    * \param file pathname of the file to read.
 110    */
 111   static std::list<RepoInfo> repositories_in_file( const Pathname & file )
 112   {
 113     MIL << "repo file: " << file << endl;
 114     RepoCollector collector;
 115     parser::RepoFileReader parser( file, bind( &RepoCollector::collect, &collector, _1 ) );
 116     return collector.repos;
 117   }
 118
 119   ////////////////////////////////////////////////////////////////////////////
 120
 121   std::list<RepoInfo> readRepoFile(const Url & repo_file)
 122    {
 123      // no interface to download a specific file, using workaround:
 124      //! \todo add MediaManager::provideFile(Url file_url) to easily access any file URLs? (no need for media access id or media_nr)
 125      Url url(repo_file);
 126      Pathname path(url.getPathName());
 127      url.setPathName ("/");
 128      MediaSetAccess access(url);
 129      Pathname local = access.provideFile(path);
 130
 131      DBG << "reading repo file " << repo_file << ", local path: " << local << endl;
 132
 133      return repositories_in_file(local);
 134    }
 135
 136   ////////////////////////////////////////////////////////////////////////////
 137
 138   /**
 139    * \short List of RepoInfo's from a directory
 140    *
 141    * Goes trough every file ending with ".repo" in a directory and adds all
 142    * RepoInfo's contained in that file.
 143    *
 144    * \param dir pathname of the directory to read.
 145    */
 146   static std::list<RepoInfo> repositories_in_dir( const Pathname &dir )
 147   {
 148     MIL << "directory " << dir << endl;
 149     list<RepoInfo> repos;
 150     list<Pathname> entries;
 151     if ( filesystem::readdir( entries, Pathname(dir), false ) != 0 )
 152       ZYPP_THROW(Exception("failed to read directory"));
 153
 154     str::regex allowedRepoExt("^\\.repo(_[0-9]+)?$");
 155     for ( list<Pathname>::const_iterator it = entries.begin(); it != entries.end(); ++it )
 156     {
 157       if (str::regex_match(it->extension(), allowedRepoExt))
 158       {
 159         list<RepoInfo> tmp = repositories_in_file( *it );
 160         repos.insert( repos.end(), tmp.begin(), tmp.end() );
 161
 162         //std::copy( collector.repos.begin(), collector.repos.end(), std::back_inserter(repos));
 163         //MIL << "ok" << endl;
 164       }
 165     }
 166     return repos;
 167   }
 168
 169   ////////////////////////////////////////////////////////////////////////////
 170
 171   static void assert_alias( const RepoInfo &info )
 172   {
 173     if (info.alias().empty())
 174         ZYPP_THROW(RepoNoAliasException());
 175   }
 176
 177   ////////////////////////////////////////////////////////////////////////////
 178
 179   static void assert_urls( const RepoInfo &info )
 180   {
 181     if (info.baseUrlsEmpty())
 182         ZYPP_THROW(RepoNoUrlException());
 183   }
 184
 185   ////////////////////////////////////////////////////////////////////////////
 186
 187   /**
 188    * \short Calculates the raw cache path for a repository
 189    */
 190   static Pathname rawcache_path_for_repoinfo( const RepoManagerOptions &opt, const RepoInfo &info )
 191   {
 192     assert_alias(info);
 193     return opt.repoRawCachePath / info.escaped_alias();
 194   }
 195
 196   /**
 197    * \short Calculates the packages cache path for a repository
 198    */
 199   static Pathname packagescache_path_for_repoinfo( const RepoManagerOptions &opt, const RepoInfo &info )
 200   {
 201     assert_alias(info);
 202     return opt.repoPackagesCachePath / info.escaped_alias();
 203   }
 204
 205   ///////////////////////////////////////////////////////////////////
 206   //
 207   //    CLASS NAME : RepoManager::Impl
 208   //
 209   ///////////////////////////////////////////////////////////////////
 210
 211   /**
 212    * \short RepoManager implementation.
 213    */
 214   struct RepoManager::Impl
 215   {
 216     Impl( const RepoManagerOptions &opt )
 217       : options(opt)
 218     {
 219
 220     }
 221
 222     Impl()
 223     {
 224
 225     }
 226
 227     RepoManagerOptions options;
 228
 229     map<string, RepoInfo> _repoinfos;
 230
 231   public:
 232     /** Offer default Impl. */
 233     static shared_ptr<Impl> nullimpl()
 234     {
 235       static shared_ptr<Impl> _nullimpl( new Impl );
 236       return _nullimpl;
 237     }
 238
 239   private:
 240     friend Impl * rwcowClone<Impl>( const Impl * rhs );
 241     /** clone for RWCOW_pointer */
 242     Impl * clone() const
 243     { return new Impl( *this ); }
 244   };
 245
 246   ///////////////////////////////////////////////////////////////////
 247
 248   /** \relates RepoManager::Impl Stream output */
 249   inline std::ostream & operator<<( std::ostream & str, const RepoManager::Impl & obj )
 250   {
 251     return str << "RepoManager::Impl";
 252   }
 253
 254   ///////////////////////////////////////////////////////////////////
 255   //
 256   //    CLASS NAME : RepoManager
 257   //
 258   ///////////////////////////////////////////////////////////////////
 259
 260   RepoManager::RepoManager( const RepoManagerOptions &opt )
 261   : _pimpl( new Impl(opt) )
 262   {}
 263
 264   ////////////////////////////////////////////////////////////////////////////
 265
 266   RepoManager::~RepoManager()
 267   {}
 268
 269   ////////////////////////////////////////////////////////////////////////////
 270
 271   std::list<RepoInfo> RepoManager::knownRepositories() const
 272   {
 273     MIL << endl;
 274
 275     if ( PathInfo(_pimpl->options.knownReposPath).isExist() )
 276     {
 277       RepoInfoList repos = repositories_in_dir(_pimpl->options.knownReposPath);
 278       for ( RepoInfoList::iterator it = repos.begin();
 279             it != repos.end();
 280             ++it )
 281       {
 282         // set the metadata path for the repo
 283         Pathname metadata_path = rawcache_path_for_repoinfo(_pimpl->options, (*it));
 284         (*it).setMetadataPath(metadata_path);
 285
 286         // set the downloaded packages path for the repo
 287         Pathname packages_path = packagescache_path_for_repoinfo(_pimpl->options, (*it));
 288         (*it).setPackagesPath(packages_path);
 289       }
 290       return repos;
 291     }
 292     else
 293       return std::list<RepoInfo>();
 294
 295     MIL << endl;
 296   }
 297
 298   ////////////////////////////////////////////////////////////////////////////
 299
 300   Pathname RepoManager::metadataPath( const RepoInfo &info ) const
 301   {
 302     return rawcache_path_for_repoinfo(_pimpl->options, info );
 303   }
 304
 305   ////////////////////////////////////////////////////////////////////////////
 306
 307   RepoStatus RepoManager::metadataStatus( const RepoInfo &info ) const
 308   {
 309     Pathname rawpath = rawcache_path_for_repoinfo( _pimpl->options, info );
 310     RepoType repokind = info.type();
 311     RepoStatus status;
 312
 313     switch ( repokind.toEnum() )
 314     {
 315       case RepoType::NONE_e:
 316       // unknown, probe the local metadata
 317         repokind = probe(rawpath.asUrl());
 318       break;
 319       default:
 320       break;
 321     }
 322
 323     switch ( repokind.toEnum() )
 324     {
 325       case RepoType::RPMMD_e :
 326       {
 327         status = RepoStatus( rawpath + "/repodata/repomd.xml");
 328       }
 329       break;
 330
 331       case RepoType::YAST2_e :
 332       {
 333         status = RepoStatus( rawpath + "/content") && (RepoStatus( rawpath + "/media.1/media"));
 334       }
 335       break;
 336
 337       case RepoType::RPMPLAINDIR_e :
 338       {
 339         if ( PathInfo(Pathname(rawpath + "/cookie")).isExist() )
 340           status = RepoStatus( rawpath + "/cookie");
 341       }
 342       break;
 343
 344       case RepoType::NONE_e :
 345         // Return default RepoStatus in case of RepoType::NONE
 346         // indicating it should be created?
 347         // ZYPP_THROW(RepoUnknownTypeException());
 348         break;
 349     }
 350     return status;
 351   }
 352
 353   void RepoManager::touchIndexFile(const RepoInfo & info)
 354   {
 355     Pathname rawpath = rawcache_path_for_repoinfo( _pimpl->options, info );
 356
 357     RepoType repokind = info.type();
 358     if ( repokind.toEnum() == RepoType::NONE_e )
 359       // unknown, probe the local metadata
 360       repokind = probe(rawpath.asUrl());
 361     // if still unknown, just return
 362     if (repokind == RepoType::NONE_e)
 363       return;
 364
 365     Pathname p;
 366     switch ( repokind.toEnum() )
 367     {
 368       case RepoType::RPMMD_e :
 369         p = Pathname(rawpath + "/repodata/repomd.xml");
 370         break;
 371
 372       case RepoType::YAST2_e :
 373         p = Pathname(rawpath + "/content");
 374         break;
 375
 376       case RepoType::RPMPLAINDIR_e :
 377         p = Pathname(rawpath + "/cookie");
 378         break;
 379
 380       case RepoType::NONE_e :
 381       default:
 382         break;
 383     }
 384
 385     // touch the file, ignore error (they are logged anyway)
 386     filesystem::touch(p);
 387   }
 388
 389   bool RepoManager::checkIfToRefreshMetadata( const RepoInfo &info,
 390                                               const Url &url,
 391                                               RawMetadataRefreshPolicy policy )
 392   {
 393     assert_alias(info);
 394
 395     RepoStatus oldstatus;
 396     RepoStatus newstatus;
 397
 398     try
 399     {
 400       MIL << "Going to try to check whether refresh is needed for " << url << endl;
 401
 402       repo::RepoType repokind = info.type();
 403
 404       // if the type is unknown, try probing.
 405       switch ( repokind.toEnum() )
 406       {
 407         case RepoType::NONE_e:
 408           // unknown, probe it
 409           repokind = probe(url);
 410         break;
 411         default:
 412         break;
 413       }
 414
 415       Pathname rawpath = rawcache_path_for_repoinfo( _pimpl->options, info );
 416       filesystem::assert_dir(rawpath);
 417       oldstatus = metadataStatus(info);
 418
 419       // now we've got the old (cached) status, we can decide repo.refresh.delay
 420       if (policy != RefreshForced)
 421       {
 422         // difference in seconds
 423         double diff = difftime(
 424           (Date::ValueType)Date::now(),
 425           (Date::ValueType)oldstatus.timestamp()) / 60;
 426
 427         DBG << "oldstatus: " << (Date::ValueType)oldstatus.timestamp() << endl;
 428         DBG << "current time: " << (Date::ValueType)Date::now() << endl;
 429         DBG << "last refresh = " << diff << " minutes ago" << endl;
 430
 431         if (diff < ZConfig::instance().repo_refresh_delay())
 432         {
 433           MIL << "Repository '" << info.alias()
 434               << "' has been refreshed less than repo.refresh.delay ("
 435               << ZConfig::instance().repo_refresh_delay()
 436               << ") minutes ago. Advising to skip refresh" << endl;
 437           return false;
 438         }
 439       }
 440
 441       // create temp dir as sibling of rawpath
 442       filesystem::TmpDir tmpdir( filesystem::TmpDir::makeSibling( rawpath ) );
 443
 444       if ( ( repokind.toEnum() == RepoType::RPMMD_e ) ||
 445            ( repokind.toEnum() == RepoType::YAST2_e ) )
 446       {
 447         MediaSetAccess media(url);
 448         shared_ptr<repo::Downloader> downloader_ptr;
 449
 450         if ( repokind.toEnum() == RepoType::RPMMD_e )
 451           downloader_ptr.reset(new yum::Downloader(info.path()));
 452         else
 453           downloader_ptr.reset( new susetags::Downloader(info.path()));
 454
 455         RepoStatus newstatus = downloader_ptr->status(media);
 456         bool refresh = false;
 457         if ( oldstatus.checksum() == newstatus.checksum() )
 458         {
 459           MIL << "repo has not changed" << endl;
 460           if ( policy == RefreshForced )
 461           {
 462             MIL << "refresh set to forced" << endl;
 463             refresh = true;
 464           }
 465         }
 466         else
 467         {
 468           MIL << "repo has changed, going to refresh" << endl;
 469           refresh = true;
 470         }
 471
 472         if (!refresh)
 473           touchIndexFile(info);
 474
 475         return refresh;
 476       }
 477 #if 0
 478       else if ( repokind.toEnum() == RepoType::RPMPLAINDIR_e )
 479       {
 480         RepoStatus newstatus = parser::plaindir::dirStatus(url.getPathName());
 481         bool refresh = false;
 482         if ( oldstatus.checksum() == newstatus.checksum() )
 483         {
 484           MIL << "repo has not changed" << endl;
 485           if ( policy == RefreshForced )
 486           {
 487             MIL << "refresh set to forced" << endl;
 488             refresh = true;
 489           }
 490         }
 491         else
 492         {
 493           MIL << "repo has changed, going to refresh" << endl;
 494           refresh = true;
 495         }
 496
 497         if (!refresh)
 498           touchIndexFile(info);
 499
 500         return refresh;
 501       }
 502 #endif
 503       else
 504       {
 505         ZYPP_THROW(RepoUnknownTypeException());
 506       }
 507     }
 508     catch ( const Exception &e )
 509     {
 510       ZYPP_CAUGHT(e);
 511       ERR << "refresh check failed for " << url << endl;
 512       ZYPP_RETHROW(e);
 513     }
 514
 515     return true; // default
 516   }
 517
 518   void RepoManager::refreshMetadata( const RepoInfo &info,
 519                                      RawMetadataRefreshPolicy policy,
 520                                      const ProgressData::ReceiverFnc & progress )
 521   {
 522     assert_alias(info);
 523     assert_urls(info);
 524
 525     // we will throw this later if no URL checks out fine
 526     RepoException rexception(_("Valid metadata not found at specified URL(s)"));
 527
 528     // try urls one by one
 529     for ( RepoInfo::urls_const_iterator it = info.baseUrlsBegin(); it != info.baseUrlsEnd(); ++it )
 530     {
 531       try
 532       {
 533         Url url(*it);
 534
 535         // check whether to refresh metadata
 536         // if the check fails for this url, it throws, so another url will be checked
 537         if (!checkIfToRefreshMetadata(info, url, policy))
 538           return;
 539
 540         MIL << "Going to refresh metadata from " << url << endl;
 541
 542         repo::RepoType repokind = info.type();
 543
 544         // if the type is unknown, try probing.
 545         switch ( repokind.toEnum() )
 546         {
 547           case RepoType::NONE_e:
 548             // unknown, probe it
 549             repokind = probe(*it);
 550
 551             if (repokind.toEnum() != RepoType::NONE_e)
 552             {
 553               //save probed type only for repos in system
 554               std::list<RepoInfo> repos = knownRepositories();
 555               for ( std::list<RepoInfo>::const_iterator it = repos.begin();
 556                    it != repos.end(); ++it )
 557               {
 558                 if ( info.alias() == (*it).alias() )
 559                 {
 560                   RepoInfo modifiedrepo = info;
 561                   modifiedrepo.setType(repokind);
 562                   modifyRepository(info.alias(),modifiedrepo);
 563                 }
 564               }
 565             }
 566           break;
 567           default:
 568           break;
 569         }
 570
 571         Pathname rawpath = rawcache_path_for_repoinfo( _pimpl->options, info );
 572         filesystem::assert_dir(rawpath);
 573
 574         // create temp dir as sibling of rawpath
 575         filesystem::TmpDir tmpdir( filesystem::TmpDir::makeSibling( rawpath ) );
 576
 577         if ( ( repokind.toEnum() == RepoType::RPMMD_e ) ||
 578              ( repokind.toEnum() == RepoType::YAST2_e ) )
 579         {
 580           MediaSetAccess media(url);
 581           shared_ptr<repo::Downloader> downloader_ptr;
 582
 583           if ( repokind.toEnum() == RepoType::RPMMD_e )
 584             downloader_ptr.reset(new yum::Downloader(info.path()));
 585           else
 586             downloader_ptr.reset( new susetags::Downloader(info.path()));
 587
 588           /**
 589            * Given a downloader, sets the other repos raw metadata
 590            * path as cache paths for the fetcher, so if another
 591            * repo has the same file, it will not download it
 592            * but copy it from the other repository
 593            */
 594           std::list<RepoInfo> repos = knownRepositories();
 595           for ( std::list<RepoInfo>::const_iterator it = repos.begin();
 596                 it != repos.end();
 597                 ++it )
 598           {
 599             Pathname cachepath(rawcache_path_for_repoinfo( _pimpl->options, *it ));
 600             if ( PathInfo(cachepath).isExist() )
 601               downloader_ptr->addCachePath(cachepath);
 602           }
 603
 604           downloader_ptr->download( media, tmpdir.path());
 605         }
 606 #if 0
 607         else if ( repokind.toEnum() == RepoType::RPMPLAINDIR_e )
 608         {
 609           RepoStatus newstatus = parser::plaindir::dirStatus(url.getPathName());
 610
 611           std::ofstream file(( tmpdir.path() + "/cookie").c_str());
 612           if (!file) {
 613             ZYPP_THROW (Exception( "Can't open " + tmpdir.path().asString() + "/cookie" ) );
 614           }
 615           file << url << endl;
 616           file << newstatus.checksum() << endl;
 617
 618           file.close();
 619         }
 620 #endif
 621         else
 622         {
 623           ZYPP_THROW(RepoUnknownTypeException());
 624         }
 625
 626         // ok we have the metadata, now exchange
 627         // the contents
 628
 629         TmpDir oldmetadata( TmpDir::makeSibling( rawpath ) );
 630         filesystem::rename( rawpath, oldmetadata.path() );
 631         // move the just downloaded there
 632         filesystem::rename( tmpdir.path(), rawpath );
 633
 634         // we are done.
 635         return;
 636       }
 637       catch ( const Exception &e )
 638       {
 639         ZYPP_CAUGHT(e);
 640         ERR << "Trying another url..." << endl;
 641
 642         // remember the exception caught for the *first URL*
 643         // if all other URLs fail, the rexception will be thrown with the
 644         // cause of the problem of the first URL remembered
 645         if (it == info.baseUrlsBegin())
 646           rexception.remember(e);
 647       }
 648     } // for every url
 649     ERR << "No more urls..." << endl;
 650     ZYPP_THROW(rexception);
 651   }
 652
 653   ////////////////////////////////////////////////////////////////////////////
 654
 655   void RepoManager::cleanMetadata( const RepoInfo &info,
 656                                    const ProgressData::ReceiverFnc & progressfnc )
 657   {
 658     ProgressData progress(100);
 659     progress.sendTo(progressfnc);
 660
 661     filesystem::recursive_rmdir(rawcache_path_for_repoinfo(_pimpl->options, info));
 662     progress.toMax();
 663   }
 664
 665   void RepoManager::cleanPackages( const RepoInfo &info,
 666                                    const ProgressData::ReceiverFnc & progressfnc )
 667   {
 668     ProgressData progress(100);
 669     progress.sendTo(progressfnc);
 670
 671     filesystem::recursive_rmdir(packagescache_path_for_repoinfo(_pimpl->options, info));
 672     progress.toMax();
 673   }
 674
 675   void RepoManager::buildCache( const RepoInfo &info,
 676                                 CacheBuildPolicy policy,
 677                                 const ProgressData::ReceiverFnc & progressrcv )
 678   {
 679     assert_alias(info);
 680     Pathname rawpath = rawcache_path_for_repoinfo(_pimpl->options, info);
 681
 682     Pathname base = _pimpl->options.repoCachePath + info.escaped_alias();
 683     Pathname solvfile = base.extend(".solv");
 684
 685
 686     RepoStatus raw_metadata_status = metadataStatus(info);
 687     if ( raw_metadata_status.empty() )
 688     {
 689        /* if there is no cache at this point, we refresh the raw
 690           in case this is the first time - if it's !autorefresh,
 691           we may still refresh */
 692       refreshMetadata(info, RefreshIfNeeded, progressrcv );
 693       raw_metadata_status = metadataStatus(info);
 694     }
 695
 696     bool needs_cleaning = false;
 697     if ( isCached( info ) )
 698     {
 699       MIL << info.alias() << " is already cached." << endl;
 700       //data::RecordId id = store.lookupRepository(info.alias());
 701       RepoStatus cache_status = cacheStatus(info);
 702
 703       if ( cache_status.checksum() == raw_metadata_status.checksum() )
 704       {
 705         MIL << info.alias() << " cache is up to date with metadata." << endl;
 706         if ( policy == BuildIfNeeded ) {
 707           return;
 708         }
 709         else {
 710           MIL << info.alias() << " cache rebuild is forced" << endl;
 711         }
 712       }
 713
 714       needs_cleaning = true;
 715     }
 716
 717     ProgressData progress(100);
 718     callback::SendReport<ProgressReport> report;
 719     progress.sendTo( ProgressReportAdaptor( progressrcv, report ) );
 720     progress.name(str::form(_("Building repository '%s' cache"), info.name().c_str()));
 721     progress.toMin();
 722
 723     if (needs_cleaning)
 724     {
 725       cleanCache(info);
 726     }
 727
 728     MIL << info.alias() << " building cache..." << endl;
 729     // do we have type?
 730     repo::RepoType repokind = info.type();
 731
 732     // if the type is unknown, try probing.
 733     switch ( repokind.toEnum() )
 734     {
 735       case RepoType::NONE_e:
 736         // unknown, probe the local metadata
 737         repokind = probe(rawpath.asUrl());
 738       break;
 739       default:
 740       break;
 741     }
 742
 743     MIL << "repo type is " << repokind << endl;
 744
 745     switch ( repokind.toEnum() )
 746     {
 747       case RepoType::RPMMD_e :
 748       case RepoType::YAST2_e :
 749       {
 750         // Take care we unlink the solvfile on exception
 751         ManagedFile guard( solvfile, filesystem::unlink );
 752
 753         ostringstream cmd;
 754         cmd << str::form( "repo2solv.sh \"%s\" > \"%s\"", rawpath.c_str(), solvfile.c_str() );
 755
 756         MIL << "Executing: " << cmd.str() << endl;
 757         ExternalProgram prog( cmd.str(), ExternalProgram::Stderr_To_Stdout );
 758
 759         cmd << endl;
 760         for ( string output( prog.receiveLine() ); output.length(); output = prog.receiveLine() ) {
 761           WAR << "  " << output;
 762           cmd << "     " << output;
 763         }
 764
 765         int ret = prog.close();
 766         if ( ret != 0 )
 767         {
 768           RepoException ex(str::form("Failed to cache repo (%d).", ret));
 769           ex.remember( cmd.str() );
 770           ZYPP_THROW(ex);
 771         }
 772
 773         // We keep it.
 774         guard.resetDispose();
 775       }
 776       break;
 777       default:
 778         ZYPP_THROW(RepoUnknownTypeException("Unhandled repository type"));
 779       break;
 780     }
 781 #if 0
 782     switch ( repokind.toEnum() )
 783     {
 784       case RepoType::RPMMD_e :
 785       if (0)
 786       {
 787         CombinedProgressData subprogrcv( progress, 100);
 788         parser::yum::RepoParser parser(id, store, parser::yum::RepoParserOpts(), subprogrcv);
 789         parser.parse(rawpath);
 790           // no error
 791       }
 792       break;
 793       case RepoType::YAST2_e :
 794       if (0)
 795       {
 796         CombinedProgressData subprogrcv( progress, 100);
 797         parser::susetags::RepoParser parser(id, store, subprogrcv);
 798         parser.parse(rawpath);
 799         // no error
 800       }
 801       break;
 802 #endif
 803 #if 0
 804       case RepoType::RPMPLAINDIR_e :
 805       {
 806         CombinedProgressData subprogrcv( progress, 100);
 807         InputStream is(rawpath + "cookie");
 808         string buffer;
 809         getline( is.stream(), buffer);
 810         Url url(buffer);
 811         parser::plaindir::RepoParser parser(id, store, subprogrcv);
 812         parser.parse(url.getPathName());
 813       }
 814       break;
 815
 816       default:
 817         ZYPP_THROW(RepoUnknownTypeException());
 818     }
 819 #endif
 820     // update timestamp and checksum
 821     //store.updateRepositoryStatus(id, raw_metadata_status);
 822     setCacheStatus(info.escaped_alias(), raw_metadata_status);
 823     MIL << "Commit cache.." << endl;
 824     //store.commit();
 825     //progress.toMax();
 826   }
 827
 828   ////////////////////////////////////////////////////////////////////////////
 829
 830   repo::RepoType RepoManager::probe( const Url &url ) const
 831   {
 832     if ( url.getScheme() == "dir" && ! PathInfo( url.getPathName() ).isDir() )
 833     {
 834       // Handle non existing local directory in advance, as
 835       // MediaSetAccess does not support it.
 836       return repo::RepoType::NONE;
 837     }
 838
 839     try
 840     {
 841       MediaSetAccess access(url);
 842       if ( access.doesFileExist("/repodata/repomd.xml") )
 843         return repo::RepoType::RPMMD;
 844       if ( access.doesFileExist("/content") )
 845         return repo::RepoType::YAST2;
 846
 847       // if it is a local url of type dir
 848       if ( (! media::MediaManager::downloads(url)) && ( url.getScheme() == "dir" ) )
 849       {
 850         Pathname path = Pathname(url.getPathName());
 851         if ( PathInfo(path).isDir() )
 852         {
 853           // allow empty dirs for now
 854           return repo::RepoType::RPMPLAINDIR;
 855         }
 856       }
 857     }
 858     catch ( const media::MediaException &e )
 859     {
 860       ZYPP_CAUGHT(e);
 861       RepoException enew("Error trying to read from " + url.asString());
 862       enew.remember(e);
 863       ZYPP_THROW(enew);
 864     }
 865     catch ( const Exception &e )
 866     {
 867       ZYPP_CAUGHT(e);
 868       Exception enew("Unknown error reading from " + url.asString());
 869       enew.remember(e);
 870       ZYPP_THROW(enew);
 871     }
 872
 873     return repo::RepoType::NONE;
 874   }
 875
 876   ////////////////////////////////////////////////////////////////////////////
 877
 878   void RepoManager::cleanCache( const RepoInfo &info,
 879                                 const ProgressData::ReceiverFnc & progressrcv )
 880   {
 881     ProgressData progress(100);
 882     progress.sendTo(progressrcv);
 883     progress.toMin();
 884
 885     unlink (_pimpl->options.repoCachePath / (info.escaped_alias() + ".solv"));
 886     progress.set(99);
 887     unlink (_pimpl->options.repoCachePath / (info.escaped_alias() + ".cookie"));
 888
 889     progress.toMax();
 890   }
 891
 892   void RepoManager::cleanTargetCache(const ProgressData::ReceiverFnc & progressrcv)
 893   {
 894     unlink (_pimpl->options.repoCachePath / (sat::Pool::systemRepoName() + ".solv"));
 895     unlink (_pimpl->options.repoCachePath / (sat::Pool::systemRepoName() + ".cookie"));
 896   }
 897
 898   ////////////////////////////////////////////////////////////////////////////
 899
 900   bool RepoManager::isCached( const RepoInfo &info ) const
 901   {
 902     Pathname name = _pimpl->options.repoCachePath;
 903     return PathInfo(name + Pathname(info.escaped_alias()).extend(".solv")).isExist();
 904   }
 905
 906   RepoStatus RepoManager::cacheStatus( const RepoInfo &info ) const
 907   {
 908
 909     Pathname base = _pimpl->options.repoCachePath + info.escaped_alias();
 910     Pathname cookiefile = base.extend(".cookie");
 911
 912     return RepoStatus::fromCookieFile(cookiefile);
 913   }
 914
 915   void RepoManager::setCacheStatus( const string &alias, const RepoStatus &status )
 916   {
 917     Pathname base = _pimpl->options.repoCachePath + alias;
 918     Pathname cookiefile = base.extend(".cookie");
 919
 920     status.saveToCookieFile(cookiefile);
 921   }
 922
 923   void RepoManager::loadFromCache( const RepoInfo & info,
 924                                    const ProgressData::ReceiverFnc & progressrcv )
 925   {
 926     assert_alias(info);
 927     string alias = info.escaped_alias();
 928     Pathname solvfile = (_pimpl->options.repoCachePath / alias).extend(".solv");
 929
 930     if ( ! PathInfo(solvfile).isExist() )
 931       ZYPP_THROW(RepoNotCachedException());
 932
 933     try
 934     {
 935       sat::Pool::instance().addRepoSolv( solvfile, info );
 936     }
 937     catch ( const Exception & exp )
 938     {
 939       ZYPP_CAUGHT( exp );
 940       MIL << "Try to handle exception by rebuilding the solv-file" << endl;
 941       cleanCache( info, progressrcv );
 942       buildCache( info, BuildIfNeeded, progressrcv );
 943
 944       sat::Pool::instance().addRepoSolv( solvfile, info );
 945     }
 946   }
 947
 948   ////////////////////////////////////////////////////////////////////////////
 949
 950   /**
 951    * Generate a non existing filename in a directory, using a base
 952    * name. For example if a directory contains 3 files
 953    *
 954    * |-- bar
 955    * |-- foo
 956    * `-- moo
 957    *
 958    * If you try to generate a unique filename for this directory,
 959    * based on "ruu" you will get "ruu", but if you use the base
 960    * "foo" you will get "foo_1"
 961    *
 962    * \param dir Directory where the file needs to be unique
 963    * \param basefilename string to base the filename on.
 964    */
 965   static Pathname generate_non_existing_name( const Pathname &dir,
 966                                               const std::string &basefilename )
 967   {
 968     string final_filename = basefilename;
 969     int counter = 1;
 970     while ( PathInfo(dir + final_filename).isExist() )
 971     {
 972       final_filename = basefilename + "_" + str::numstring(counter);
 973       counter++;
 974     }
 975     return dir + Pathname(final_filename);
 976   }
 977
 978   ////////////////////////////////////////////////////////////////////////////
 979
 980   /**
 981    * \short Generate a related filename from a repo info
 982    *
 983    * From a repo info, it will try to use the alias as a filename
 984    * escaping it if necessary. Other fallbacks can be added to
 985    * this function in case there is no way to use the alias
 986    */
 987   static std::string generate_filename( const RepoInfo &info )
 988   {
 989     std::string fnd="/";
 990     std::string rep="_";
 991     std::string filename = info.alias();
 992     // replace slashes with underscores
 993     size_t pos = filename.find(fnd);
 994     while(pos!=string::npos)
 995     {
 996       filename.replace(pos,fnd.length(),rep);
 997       pos = filename.find(fnd,pos+rep.length());
 998     }
 999     filename = Pathname(filename).extend(".repo").asString();
1000     MIL << "generating filename for repo [" << info.alias() << "] : '" << filename << "'" << endl;
1001     return filename;
1002   }
1003
1004
1005   ////////////////////////////////////////////////////////////////////////////
1006
1007   void RepoManager::addRepository( const RepoInfo &info,
1008                                    const ProgressData::ReceiverFnc & progressrcv )
1009   {
1010     assert_alias(info);
1011
1012     ProgressData progress(100);
1013     callback::SendReport<ProgressReport> report;
1014     progress.sendTo( ProgressReportAdaptor( progressrcv, report ) );
1015     progress.name(str::form(_("Adding repository '%s'"), info.name().c_str()));
1016     progress.toMin();
1017
1018     std::list<RepoInfo> repos = knownRepositories();
1019     for ( std::list<RepoInfo>::const_iterator it = repos.begin();
1020           it != repos.end();
1021           ++it )
1022     {
1023       if ( info.alias() == (*it).alias() )
1024         ZYPP_THROW(RepoAlreadyExistsException(info.alias()));
1025     }
1026
1027     RepoInfo tosave = info;
1028
1029     // check the first url for now
1030     if ( _pimpl->options.probe )
1031     {
1032       DBG << "unknown repository type, probing" << endl;
1033
1034       RepoType probedtype;
1035       probedtype = probe(*tosave.baseUrlsBegin());
1036       if ( tosave.baseUrlsSize() > 0 )
1037       {
1038         if ( probedtype == RepoType::NONE )
1039           ZYPP_THROW(RepoUnknownTypeException());
1040         else
1041           tosave.setType(probedtype);
1042       }
1043     }
1044
1045     progress.set(50);
1046
1047     // assert the directory exists
1048     filesystem::assert_dir(_pimpl->options.knownReposPath);
1049
1050     Pathname repofile = generate_non_existing_name(_pimpl->options.knownReposPath,
1051                                                     generate_filename(tosave));
1052     // now we have a filename that does not exists
1053     MIL << "Saving repo in " << repofile << endl;
1054
1055     std::ofstream file(repofile.c_str());
1056     if (!file) {
1057       ZYPP_THROW (Exception( "Can't open " + repofile.asString() ) );
1058     }
1059
1060     tosave.dumpRepoOn(file);
1061     progress.toMax();
1062     MIL << "done" << endl;
1063   }
1064
1065   void RepoManager::addRepositories( const Url &url,
1066                                      const ProgressData::ReceiverFnc & progressrcv )
1067   {
1068     std::list<RepoInfo> knownrepos = knownRepositories();
1069     std::list<RepoInfo> repos = readRepoFile(url);
1070     for ( std::list<RepoInfo>::const_iterator it = repos.begin();
1071           it != repos.end();
1072           ++it )
1073     {
1074       // look if the alias is in the known repos.
1075       for ( std::list<RepoInfo>::const_iterator kit = knownrepos.begin();
1076           kit != knownrepos.end();
1077           ++kit )
1078       {
1079         if ( (*it).alias() == (*kit).alias() )
1080         {
1081           ERR << "To be added repo " << (*it).alias() << " conflicts with existing repo " << (*kit).alias() << endl;
1082           ZYPP_THROW(RepoAlreadyExistsException((*it).alias()));
1083         }
1084       }
1085     }
1086
1087     string filename = Pathname(url.getPathName()).basename();
1088
1089     if ( filename == Pathname() )
1090       ZYPP_THROW(RepoException("Invalid repo file name at " + url.asString() ));
1091
1092     // assert the directory exists
1093     filesystem::assert_dir(_pimpl->options.knownReposPath);
1094
1095     Pathname repofile = generate_non_existing_name(_pimpl->options.knownReposPath, filename);
1096     // now we have a filename that does not exists
1097     MIL << "Saving " << repos.size() << " repo" << ( repos.size() ? "s" : "" ) << " in " << repofile << endl;
1098
1099     std::ofstream file(repofile.c_str());
1100     if (!file) {
1101       ZYPP_THROW (Exception( "Can't open " + repofile.asString() ) );
1102     }
1103
1104     for ( std::list<RepoInfo>::const_iterator it = repos.begin();
1105           it != repos.end();
1106           ++it )
1107     {
1108       MIL << "Saving " << (*it).alias() << endl;
1109       (*it).dumpRepoOn(file);
1110     }
1111     MIL << "done" << endl;
1112   }
1113
1114   ////////////////////////////////////////////////////////////////////////////
1115
1116   void RepoManager::removeRepository( const RepoInfo & info,
1117                                       const ProgressData::ReceiverFnc & progressrcv)
1118   {
1119     ProgressData progress;
1120     callback::SendReport<ProgressReport> report;
1121     progress.sendTo( ProgressReportAdaptor( progressrcv, report ) );
1122     progress.name(str::form(_("Removing repository '%s'"), info.name().c_str()));
1123
1124     MIL << "Going to delete repo " << info.alias() << endl;
1125
1126     std::list<RepoInfo> repos = knownRepositories();
1127     for ( std::list<RepoInfo>::const_iterator it = repos.begin();
1128           it != repos.end();
1129           ++it )
1130     {
1131       // they can be the same only if the provided is empty, that means
1132       // the provided repo has no alias
1133       // then skip
1134       if ( (!info.alias().empty()) && ( info.alias() != (*it).alias() ) )
1135         continue;
1136
1137       // TODO match by url
1138
1139       // we have a matcing repository, now we need to know
1140       // where it does come from.
1141       RepoInfo todelete = *it;
1142       if (todelete.filepath().empty())
1143       {
1144         ZYPP_THROW(RepoException("Can't figure where the repo is stored"));
1145       }
1146       else
1147       {
1148         // figure how many repos are there in the file:
1149         std::list<RepoInfo> filerepos = repositories_in_file(todelete.filepath());
1150         if ( (filerepos.size() == 1) && ( filerepos.front().alias() == todelete.alias() ) )
1151         {
1152           // easy, only this one, just delete the file
1153           if ( filesystem::unlink(todelete.filepath()) != 0 )
1154           {
1155             ZYPP_THROW(RepoException("Can't delete " + todelete.filepath().asString()));
1156           }
1157           MIL << todelete.alias() << " sucessfully deleted." << endl;
1158         }
1159         else
1160         {
1161           // there are more repos in the same file
1162           // write them back except the deleted one.
1163           //TmpFile tmp;
1164           //std::ofstream file(tmp.path().c_str());
1165
1166           // assert the directory exists
1167           filesystem::assert_dir(todelete.filepath().dirname());
1168
1169           std::ofstream file(todelete.filepath().c_str());
1170           if (!file) {
1171             //ZYPP_THROW (Exception( "Can't open " + tmp.path().asString() ) );
1172             ZYPP_THROW (Exception( "Can't open " + todelete.filepath().asString() ) );
1173           }
1174           for ( std::list<RepoInfo>::const_iterator fit = filerepos.begin();
1175                 fit != filerepos.end();
1176                 ++fit )
1177           {
1178             if ( (*fit).alias() != todelete.alias() )
1179               (*fit).dumpRepoOn(file);
1180           }
1181         }
1182
1183         CombinedProgressData subprogrcv(progress, 70);
1184         CombinedProgressData cleansubprogrcv(progress, 30);
1185         // now delete it from cache
1186         if ( isCached(todelete) )
1187           cleanCache( todelete, subprogrcv);
1188         // now delete metadata (#301037)
1189         cleanMetadata( todelete, cleansubprogrcv);
1190         MIL << todelete.alias() << " sucessfully deleted." << endl;
1191         return;
1192       } // else filepath is empty
1193
1194     }
1195     // should not be reached on a sucess workflow
1196     ZYPP_THROW(RepoNotFoundException(info));
1197   }
1198
1199   ////////////////////////////////////////////////////////////////////////////
1200
1201   void RepoManager::modifyRepository( const std::string &alias,
1202                                       const RepoInfo & newinfo,
1203                                       const ProgressData::ReceiverFnc & progressrcv )
1204   {
1205     RepoInfo toedit = getRepositoryInfo(alias);
1206
1207     // check if the new alias already exists when renaming the repo
1208     if (alias != newinfo.alias())
1209     {
1210       std::list<RepoInfo> repos = knownRepositories();
1211       for ( std::list<RepoInfo>::const_iterator it = repos.begin();
1212             it != repos.end();
1213             ++it )
1214       {
1215         if ( newinfo.alias() == (*it).alias() )
1216           ZYPP_THROW(RepoAlreadyExistsException(newinfo.alias()));
1217       }
1218     }
1219
1220     if (toedit.filepath().empty())
1221     {
1222       ZYPP_THROW(RepoException("Can't figure where the repo is stored"));
1223     }
1224     else
1225     {
1226       // figure how many repos are there in the file:
1227       std::list<RepoInfo> filerepos = repositories_in_file(toedit.filepath());
1228
1229       // there are more repos in the same file
1230       // write them back except the deleted one.
1231       //TmpFile tmp;
1232       //std::ofstream file(tmp.path().c_str());
1233
1234       // assert the directory exists
1235       filesystem::assert_dir(toedit.filepath().dirname());
1236
1237       std::ofstream file(toedit.filepath().c_str());
1238       if (!file) {
1239         //ZYPP_THROW (Exception( "Can't open " + tmp.path().asString() ) );
1240         ZYPP_THROW (Exception( "Can't open " + toedit.filepath().asString() ) );
1241       }
1242       for ( std::list<RepoInfo>::const_iterator fit = filerepos.begin();
1243             fit != filerepos.end();
1244             ++fit )
1245       {
1246           // if the alias is different, dump the original
1247           // if it is the same, dump the provided one
1248           if ( (*fit).alias() != toedit.alias() )
1249             (*fit).dumpRepoOn(file);
1250           else
1251             newinfo.dumpRepoOn(file);
1252       }
1253     }
1254   }
1255
1256   ////////////////////////////////////////////////////////////////////////////
1257
1258   RepoInfo RepoManager::getRepositoryInfo( const std::string &alias,
1259                                            const ProgressData::ReceiverFnc & progressrcv )
1260   {
1261     std::list<RepoInfo> repos = knownRepositories();
1262     for ( std::list<RepoInfo>::const_iterator it = repos.begin();
1263           it != repos.end();
1264           ++it )
1265     {
1266       if ( (*it).alias() == alias )
1267         return *it;
1268     }
1269     RepoInfo info;
1270     info.setAlias(info.alias());
1271     ZYPP_THROW(RepoNotFoundException(info));
1272   }
1273
1274   ////////////////////////////////////////////////////////////////////////////
1275
1276   RepoInfo RepoManager::getRepositoryInfo( const Url & url,
1277                                            const url::ViewOption & urlview,
1278                                            const ProgressData::ReceiverFnc & progressrcv )
1279   {
1280     std::list<RepoInfo> repos = knownRepositories();
1281     for ( std::list<RepoInfo>::const_iterator it = repos.begin();
1282           it != repos.end();
1283           ++it )
1284     {
1285       for(RepoInfo::urls_const_iterator urlit = (*it).baseUrlsBegin();
1286           urlit != (*it).baseUrlsEnd();
1287           ++urlit)
1288       {
1289         if ((*urlit).asString(urlview) == url.asString(urlview))
1290           return *it;
1291       }
1292     }
1293     RepoInfo info;
1294     info.setAlias(info.alias());
1295     info.setBaseUrl(url);
1296     ZYPP_THROW(RepoNotFoundException(info));
1297   }
1298
1299   ////////////////////////////////////////////////////////////////////////////
1300
1301   std::ostream & operator<<( std::ostream & str, const RepoManager & obj )
1302   {
1303     return str << *obj._pimpl;
1304   }
1305
1306   /////////////////////////////////////////////////////////////////
1307 } // namespace zypp
1308 ///////////////////////////////////////////////////////////////////