diff options
Diffstat (limited to 'apt-pkg/pkgcachegen.cc')
| -rw-r--r-- | apt-pkg/pkgcachegen.cc | 359 |
1 files changed, 227 insertions, 132 deletions
diff --git a/apt-pkg/pkgcachegen.cc b/apt-pkg/pkgcachegen.cc index f41bb5a0a..870930c72 100644 --- a/apt-pkg/pkgcachegen.cc +++ b/apt-pkg/pkgcachegen.cc @@ -38,6 +38,9 @@ typedef vector<pkgIndexFile *>::iterator FileIterator; template <typename Iter> std::vector<Iter*> pkgCacheGenerator::Dynamic<Iter>::toReMap; +bool IsDuplicateDescription(pkgCache::DescIterator Desc, + MD5SumValue const &CurMd5, std::string const &CurLang); + // CacheGenerator::pkgCacheGenerator - Constructor /*{{{*/ // --------------------------------------------------------------------- /* We set the dirty flag and make sure that is written to the disk */ @@ -182,82 +185,154 @@ bool pkgCacheGenerator::MergeList(ListParser &List, if (PackageName.empty() == true) return false; - string const Arch = List.Architecture(); - + Counter++; + if (Counter % 100 == 0 && Progress != 0) + Progress->Progress(List.Offset()); + + string Arch = List.Architecture(); + string const Version = List.Version(); + if (Version.empty() == true && Arch.empty() == true) + { + if (MergeListGroup(List, PackageName) == false) + return false; + } + + if (Arch.empty() == true) + Arch = _config->Find("APT::Architecture"); + // Get a pointer to the package structure pkgCache::PkgIterator Pkg; Dynamic<pkgCache::PkgIterator> DynPkg(Pkg); if (NewPackage(Pkg, PackageName, Arch) == false) - return _error->Error(_("Error occurred while processing %s (NewPackage)"),PackageName.c_str()); - Counter++; - if (Counter % 100 == 0 && Progress != 0) - Progress->Progress(List.Offset()); + // TRANSLATOR: The first placeholder is a package name, + // the other two should be copied verbatim as they include debug info + return _error->Error(_("Error occurred while processing %s (%s%d)"), + PackageName.c_str(), "NewPackage", 1); + - /* Get a pointer to the version structure. We know the list is sorted - so we use that fact in the search. Insertion of new versions is - done with correct sorting */ - string Version = List.Version(); if (Version.empty() == true) { - // we first process the package, then the descriptions - // (this has the bonus that we get MMap error when we run out - // of MMap space) - pkgCache::VerIterator Ver(Cache); - Dynamic<pkgCache::VerIterator> DynVer(Ver); - if (List.UsePackage(Pkg, Ver) == false) - return _error->Error(_("Error occurred while processing %s (UsePackage1)"), - PackageName.c_str()); - - // Find the right version to write the description - MD5SumValue CurMd5 = List.Description_md5(); - Ver = Pkg.VersionList(); - - for (; Ver.end() == false; ++Ver) - { - pkgCache::DescIterator Desc = Ver.DescriptionList(); - Dynamic<pkgCache::DescIterator> DynDesc(Desc); - map_ptrloc *LastDesc = &Ver->DescriptionList; - bool duplicate=false; - - // don't add a new description if we have one for the given - // md5 && language - for ( ; Desc.end() == false; ++Desc) - if (MD5SumValue(Desc.md5()) == CurMd5 && - Desc.LanguageCode() == List.DescriptionLanguage()) - duplicate=true; - if(duplicate) - continue; - - for (Desc = Ver.DescriptionList(); - Desc.end() == false; - LastDesc = &Desc->NextDesc, ++Desc) - { - if (MD5SumValue(Desc.md5()) == CurMd5) - { - // Add new description - void const * const oldMap = Map.Data(); - map_ptrloc const descindex = NewDescription(Desc, List.DescriptionLanguage(), CurMd5, *LastDesc); - if (oldMap != Map.Data()) - LastDesc += (map_ptrloc*) Map.Data() - (map_ptrloc*) oldMap; - *LastDesc = descindex; - Desc->ParentPkg = Pkg.Index(); - - if ((*LastDesc == 0 && _error->PendingError()) || NewFileDesc(Desc,List) == false) - return _error->Error(_("Error occurred while processing %s (NewFileDesc1)"),PackageName.c_str()); - break; - } - } - } + if (MergeListPackage(List, Pkg) == false) + return false; + } + else + { + if (MergeListVersion(List, Pkg, Version, OutVer) == false) + return false; + } - continue; + if (OutVer != 0) + { + FoundFileDeps |= List.HasFileDeps(); + return true; } + } - pkgCache::VerIterator Ver = Pkg.VersionList(); - Dynamic<pkgCache::VerIterator> DynVer(Ver); - map_ptrloc *LastVer = &Pkg->VersionList; - void const * oldMap = Map.Data(); + if (Cache.HeaderP->PackageCount >= (1ULL<<sizeof(Cache.PkgP->ID)*8)-1) + return _error->Error(_("Wow, you exceeded the number of package " + "names this APT is capable of.")); + if (Cache.HeaderP->VersionCount >= (1ULL<<(sizeof(Cache.VerP->ID)*8))-1) + return _error->Error(_("Wow, you exceeded the number of versions " + "this APT is capable of.")); + if (Cache.HeaderP->DescriptionCount >= (1ULL<<(sizeof(Cache.DescP->ID)*8))-1) + return _error->Error(_("Wow, you exceeded the number of descriptions " + "this APT is capable of.")); + if (Cache.HeaderP->DependsCount >= (1ULL<<(sizeof(Cache.DepP->ID)*8))-1ULL) + return _error->Error(_("Wow, you exceeded the number of dependencies " + "this APT is capable of.")); + + FoundFileDeps |= List.HasFileDeps(); + return true; +} +// CacheGenerator::MergeListGroup /*{{{*/ +bool pkgCacheGenerator::MergeListGroup(ListParser &List, std::string const &GrpName) +{ + pkgCache::GrpIterator Grp = Cache.FindGrp(GrpName); + // a group has no data on it's own, only packages have it but these + // stanzas like this come from Translation- files to add descriptions, + // but without a version we don't need a description for it… + if (Grp.end() == true) + return true; + Dynamic<pkgCache::GrpIterator> DynGrp(Grp); + + pkgCache::PkgIterator Pkg; + Dynamic<pkgCache::PkgIterator> DynPkg(Pkg); + for (Pkg = Grp.PackageList(); Pkg.end() == false; Pkg = Grp.NextPkg(Pkg)) + if (MergeListPackage(List, Pkg) == false) + return false; + + return true; +} + /*}}}*/ +// CacheGenerator::MergeListPackage /*{{{*/ +bool pkgCacheGenerator::MergeListPackage(ListParser &List, pkgCache::PkgIterator &Pkg) +{ + // we first process the package, then the descriptions + // (for deb this package processing is in fact a no-op) + pkgCache::VerIterator Ver(Cache); + Dynamic<pkgCache::VerIterator> DynVer(Ver); + if (List.UsePackage(Pkg, Ver) == false) + return _error->Error(_("Error occurred while processing %s (%s%d)"), + Pkg.Name(), "UsePackage", 1); + + // Find the right version to write the description + MD5SumValue CurMd5 = List.Description_md5(); + std::string CurLang = List.DescriptionLanguage(); + + for (Ver = Pkg.VersionList(); Ver.end() == false; ++Ver) + { + pkgCache::DescIterator Desc = Ver.DescriptionList(); + + // a version can only have one md5 describing it + if (MD5SumValue(Desc.md5()) != CurMd5) + continue; + + // don't add a new description if we have one for the given + // md5 && language + if (IsDuplicateDescription(Desc, CurMd5, CurLang) == true) + continue; + + Dynamic<pkgCache::DescIterator> DynDesc(Desc); + // we add at the end, so that the start is constant as we need + // that to be able to efficiently share these lists + map_ptrloc *LastDesc = &Ver->DescriptionList; + for (;Desc.end() == false && Desc->NextDesc != 0; ++Desc); + if (Desc.end() == false) + LastDesc = &Desc->NextDesc; + + void const * const oldMap = Map.Data(); + map_ptrloc const descindex = NewDescription(Desc, CurLang, CurMd5, *LastDesc); + if (oldMap != Map.Data()) + LastDesc += (map_ptrloc*) Map.Data() - (map_ptrloc*) oldMap; + *LastDesc = descindex; + Desc->ParentPkg = Pkg.Index(); + + if ((*LastDesc == 0 && _error->PendingError()) || NewFileDesc(Desc,List) == false) + return _error->Error(_("Error occurred while processing %s (%s%d)"), + Pkg.Name(), "NewFileDesc", 1); + + // we can stop here as all "same" versions will share the description + break; + } + + return true; +} + /*}}}*/ +// CacheGenerator::MergeListVersion /*{{{*/ +bool pkgCacheGenerator::MergeListVersion(ListParser &List, pkgCache::PkgIterator &Pkg, + std::string const &Version, pkgCache::VerIterator* &OutVer) +{ + pkgCache::VerIterator Ver = Pkg.VersionList(); + Dynamic<pkgCache::VerIterator> DynVer(Ver); + map_ptrloc *LastVer = &Pkg->VersionList; + void const * oldMap = Map.Data(); + + unsigned long const Hash = List.VersionHash(); + if (Ver.end() == false) + { + /* We know the list is sorted so we use that fact in the search. + Insertion of new versions is done with correct sorting */ int Res = 1; - unsigned long const Hash = List.VersionHash(); for (; Ver.end() == false; LastVer = &Ver->NextVer, Ver++) { Res = Cache.VS->CmpVersion(Version,Ver.VerStr()); @@ -275,94 +350,99 @@ bool pkgCacheGenerator::MergeList(ListParser &List, if (Res == 0 && Ver.end() == false && Ver->Hash == Hash) { if (List.UsePackage(Pkg,Ver) == false) - return _error->Error(_("Error occurred while processing %s (UsePackage2)"), - PackageName.c_str()); + return _error->Error(_("Error occurred while processing %s (%s%d)"), + Pkg.Name(), "UsePackage", 2); if (NewFileVer(Ver,List) == false) - return _error->Error(_("Error occurred while processing %s (NewFileVer1)"), - PackageName.c_str()); - + return _error->Error(_("Error occurred while processing %s (%s%d)"), + Pkg.Name(), "NewFileVer", 1); + // Read only a single record and return if (OutVer != 0) { *OutVer = Ver; - FoundFileDeps |= List.HasFileDeps(); return true; } - - continue; + + return true; } + } - // Add a new version - map_ptrloc const verindex = NewVersion(Ver,Version,*LastVer); - if (verindex == 0 && _error->PendingError()) - return _error->Error(_("Error occurred while processing %s (NewVersion%d)"), - PackageName.c_str(), 1); + // Add a new version + map_ptrloc const verindex = NewVersion(Ver,Version,*LastVer); + if (verindex == 0 && _error->PendingError()) + return _error->Error(_("Error occurred while processing %s (%s%d)"), + Pkg.Name(), "NewVersion", 1); - if (oldMap != Map.Data()) + if (oldMap != Map.Data()) LastVer += (map_ptrloc*) Map.Data() - (map_ptrloc*) oldMap; - *LastVer = verindex; - Ver->ParentPkg = Pkg.Index(); - Ver->Hash = Hash; + *LastVer = verindex; + Ver->ParentPkg = Pkg.Index(); + Ver->Hash = Hash; - if (List.NewVersion(Ver) == false) - return _error->Error(_("Error occurred while processing %s (NewVersion%d)"), - PackageName.c_str(), 2); + if (unlikely(List.NewVersion(Ver) == false)) + return _error->Error(_("Error occurred while processing %s (%s%d)"), + Pkg.Name(), "NewVersion", 2); - if (List.UsePackage(Pkg,Ver) == false) - return _error->Error(_("Error occurred while processing %s (UsePackage3)"), - PackageName.c_str()); - - if (NewFileVer(Ver,List) == false) - return _error->Error(_("Error occurred while processing %s (NewVersion%d)"), - PackageName.c_str(), 3); + if (unlikely(List.UsePackage(Pkg,Ver) == false)) + return _error->Error(_("Error occurred while processing %s (%s%d)"), + Pkg.Name(), "UsePackage", 3); - // Read only a single record and return - if (OutVer != 0) - { - *OutVer = Ver; - FoundFileDeps |= List.HasFileDeps(); - return true; - } - - /* Record the Description data. Description data always exist in - Packages and Translation-* files. */ - pkgCache::DescIterator Desc = Ver.DescriptionList(); - Dynamic<pkgCache::DescIterator> DynDesc(Desc); - map_ptrloc *LastDesc = &Ver->DescriptionList; + if (unlikely(NewFileVer(Ver,List) == false)) + return _error->Error(_("Error occurred while processing %s (%s%d)"), + Pkg.Name(), "NewFileVer", 2); - // Skip to the end of description set - for (; Desc.end() == false; LastDesc = &Desc->NextDesc, Desc++); - // Add new description - oldMap = Map.Data(); - map_ptrloc const descindex = NewDescription(Desc, List.DescriptionLanguage(), List.Description_md5(), *LastDesc); - if (oldMap != Map.Data()) - LastDesc += (map_ptrloc*) Map.Data() - (map_ptrloc*) oldMap; - *LastDesc = descindex; - Desc->ParentPkg = Pkg.Index(); + // Read only a single record and return + if (OutVer != 0) + { + *OutVer = Ver; + return true; + } - if ((*LastDesc == 0 && _error->PendingError()) || NewFileDesc(Desc,List) == false) - return _error->Error(_("Error occurred while processing %s (NewFileDesc2)"),PackageName.c_str()); + /* Record the Description (it is not translated) */ + MD5SumValue CurMd5 = List.Description_md5(); + if (CurMd5.Value().empty() == true) + return true; + std::string CurLang = List.DescriptionLanguage(); + + /* Before we add a new description we first search in the group for + a version with a description of the same MD5 - if so we reuse this + description group instead of creating our own for this version */ + pkgCache::GrpIterator Grp = Pkg.Group(); + for (pkgCache::PkgIterator P = Grp.PackageList(); + P.end() == false; P = Grp.NextPkg(P)) + { + for (pkgCache::VerIterator V = P.VersionList(); + V.end() == false; ++V) + { + if (IsDuplicateDescription(V.DescriptionList(), CurMd5, "") == false) + continue; + Ver->DescriptionList = V->DescriptionList; + return true; + } } - FoundFileDeps |= List.HasFileDeps(); + // We haven't found reusable descriptions, so add the first description + pkgCache::DescIterator Desc = Ver.DescriptionList(); + Dynamic<pkgCache::DescIterator> DynDesc(Desc); + map_ptrloc *LastDesc = &Ver->DescriptionList; + + oldMap = Map.Data(); + map_ptrloc const descindex = NewDescription(Desc, CurLang, CurMd5, *LastDesc); + if (oldMap != Map.Data()) + LastDesc += (map_ptrloc*) Map.Data() - (map_ptrloc*) oldMap; + *LastDesc = descindex; + Desc->ParentPkg = Pkg.Index(); + + if ((*LastDesc == 0 && _error->PendingError()) || NewFileDesc(Desc,List) == false) + return _error->Error(_("Error occurred while processing %s (%s%d)"), + Pkg.Name(), "NewFileDesc", 2); - if (Cache.HeaderP->PackageCount >= (1ULL<<sizeof(Cache.PkgP->ID)*8)-1) - return _error->Error(_("Wow, you exceeded the number of package " - "names this APT is capable of.")); - if (Cache.HeaderP->VersionCount >= (1ULL<<(sizeof(Cache.VerP->ID)*8))-1) - return _error->Error(_("Wow, you exceeded the number of versions " - "this APT is capable of.")); - if (Cache.HeaderP->DescriptionCount >= (1ULL<<(sizeof(Cache.DescP->ID)*8))-1) - return _error->Error(_("Wow, you exceeded the number of descriptions " - "this APT is capable of.")); - if (Cache.HeaderP->DependsCount >= (1ULL<<(sizeof(Cache.DepP->ID)*8))-1ULL) - return _error->Error(_("Wow, you exceeded the number of dependencies " - "this APT is capable of.")); return true; } /*}}}*/ + /*}}}*/ // CacheGenerator::MergeFileProvides - Merge file provides /*{{{*/ // --------------------------------------------------------------------- /* If we found any file depends while parsing the main list we need to @@ -387,8 +467,8 @@ bool pkgCacheGenerator::MergeFileProvides(ListParser &List) pkgCache::PkgIterator Pkg = Cache.FindPkg(PackageName); Dynamic<pkgCache::PkgIterator> DynPkg(Pkg); if (Pkg.end() == true) - return _error->Error(_("Error occurred while processing %s (FindPkg)"), - PackageName.c_str()); + return _error->Error(_("Error occurred while processing %s (%s%d)"), + PackageName.c_str(), "FindPkg", 1); Counter++; if (Counter % 100 == 0 && Progress != 0) Progress->Progress(List.Offset()); @@ -401,7 +481,8 @@ bool pkgCacheGenerator::MergeFileProvides(ListParser &List) if (Ver->Hash == Hash && Version.c_str() == Ver.VerStr()) { if (List.CollectFileProvides(Cache,Ver) == false) - return _error->Error(_("Error occurred while processing %s (CollectFileProvides)"),PackageName.c_str()); + return _error->Error(_("Error occurred while processing %s (%s%d)"), + PackageName.c_str(), "CollectFileProvides", 1); break; } } @@ -1351,3 +1432,17 @@ bool pkgCacheGenerator::MakeOnlyStatusCache(OpProgress *Progress,DynamicMMap **O return true; } /*}}}*/ +// IsDuplicateDescription /*{{{*/ +bool IsDuplicateDescription(pkgCache::DescIterator Desc, + MD5SumValue const &CurMd5, std::string const &CurLang) +{ + // Descriptions in the same link-list have all the same md5 + if (MD5SumValue(Desc.md5()) != CurMd5) + return false; + for (; Desc.end() == false; ++Desc) + if (Desc.LanguageCode() == CurLang) + return true; + return false; +} + /*}}}*/ + |