diff options
Diffstat (limited to 'apt-pkg/pkgcachegen.cc')
| -rw-r--r-- | apt-pkg/pkgcachegen.cc | 597 |
1 files changed, 458 insertions, 139 deletions
diff --git a/apt-pkg/pkgcachegen.cc b/apt-pkg/pkgcachegen.cc index 3eeb18cae..1175d5129 100644 --- a/apt-pkg/pkgcachegen.cc +++ b/apt-pkg/pkgcachegen.cc @@ -18,6 +18,7 @@ #include <apt-pkg/progress.h> #include <apt-pkg/sourcelist.h> #include <apt-pkg/configuration.h> +#include <apt-pkg/aptconfiguration.h> #include <apt-pkg/strutl.h> #include <apt-pkg/sptr.h> #include <apt-pkg/pkgsystem.h> @@ -35,10 +36,11 @@ #include <stdio.h> /*}}}*/ typedef vector<pkgIndexFile *>::iterator FileIterator; +template <typename Iter> std::vector<Iter*> pkgCacheGenerator::Dynamic<Iter>::toReMap(6); // CacheGenerator::pkgCacheGenerator - Constructor /*{{{*/ // --------------------------------------------------------------------- -/* We set the diry flag and make sure that is written to the disk */ +/* We set the dirty flag and make sure that is written to the disk */ pkgCacheGenerator::pkgCacheGenerator(DynamicMMap *pMap,OpProgress *Prog) : Map(*pMap), Cache(pMap,false), Progress(Prog), FoundFileDeps(0) @@ -60,8 +62,12 @@ pkgCacheGenerator::pkgCacheGenerator(DynamicMMap *pMap,OpProgress *Prog) : // Starting header *Cache.HeaderP = pkgCache::Header(); - Cache.HeaderP->VerSysName = Map.WriteString(_system->VS->Label); - Cache.HeaderP->Architecture = Map.WriteString(_config->Find("APT::Architecture")); + map_ptrloc const idxVerSysName = WriteStringInMap(_system->VS->Label); + Cache.HeaderP->VerSysName = idxVerSysName; + map_ptrloc const idxArchitecture = WriteStringInMap(_config->Find("APT::Architecture")); + Cache.HeaderP->Architecture = idxArchitecture; + if (unlikely(idxVerSysName == 0 || idxArchitecture == 0)) + return; Cache.ReMap(); } else @@ -95,6 +101,67 @@ pkgCacheGenerator::~pkgCacheGenerator() Map.Sync(0,sizeof(pkgCache::Header)); } /*}}}*/ +void pkgCacheGenerator::ReMap(void const * const oldMap, void const * const newMap) {/*{{{*/ + if (oldMap == newMap) + return; + + Cache.ReMap(false); + + CurrentFile += (pkgCache::PackageFile*) newMap - (pkgCache::PackageFile*) oldMap; + + for (size_t i = 0; i < _count(UniqHash); ++i) + if (UniqHash[i] != 0) + UniqHash[i] += (pkgCache::StringItem*) newMap - (pkgCache::StringItem*) oldMap; + + for (std::vector<pkgCache::GrpIterator*>::const_iterator i = Dynamic<pkgCache::GrpIterator>::toReMap.begin(); + i != Dynamic<pkgCache::GrpIterator>::toReMap.end(); ++i) + (*i)->ReOwn(Cache, oldMap, newMap); + for (std::vector<pkgCache::PkgIterator*>::const_iterator i = Dynamic<pkgCache::PkgIterator>::toReMap.begin(); + i != Dynamic<pkgCache::PkgIterator>::toReMap.end(); ++i) + (*i)->ReOwn(Cache, oldMap, newMap); + for (std::vector<pkgCache::VerIterator*>::const_iterator i = Dynamic<pkgCache::VerIterator>::toReMap.begin(); + i != Dynamic<pkgCache::VerIterator>::toReMap.end(); ++i) + (*i)->ReOwn(Cache, oldMap, newMap); + for (std::vector<pkgCache::DepIterator*>::const_iterator i = Dynamic<pkgCache::DepIterator>::toReMap.begin(); + i != Dynamic<pkgCache::DepIterator>::toReMap.end(); ++i) + (*i)->ReOwn(Cache, oldMap, newMap); + for (std::vector<pkgCache::DescIterator*>::const_iterator i = Dynamic<pkgCache::DescIterator>::toReMap.begin(); + i != Dynamic<pkgCache::DescIterator>::toReMap.end(); ++i) + (*i)->ReOwn(Cache, oldMap, newMap); + for (std::vector<pkgCache::PrvIterator*>::const_iterator i = Dynamic<pkgCache::PrvIterator>::toReMap.begin(); + i != Dynamic<pkgCache::PrvIterator>::toReMap.end(); ++i) + (*i)->ReOwn(Cache, oldMap, newMap); + for (std::vector<pkgCache::PkgFileIterator*>::const_iterator i = Dynamic<pkgCache::PkgFileIterator>::toReMap.begin(); + i != Dynamic<pkgCache::PkgFileIterator>::toReMap.end(); ++i) + (*i)->ReOwn(Cache, oldMap, newMap); +} /*}}}*/ +// CacheGenerator::WriteStringInMap /*{{{*/ +map_ptrloc pkgCacheGenerator::WriteStringInMap(const char *String, + const unsigned long &Len) { + void const * const oldMap = Map.Data(); + map_ptrloc const index = Map.WriteString(String, Len); + if (index != 0) + ReMap(oldMap, Map.Data()); + return index; +} + /*}}}*/ +// CacheGenerator::WriteStringInMap /*{{{*/ +map_ptrloc pkgCacheGenerator::WriteStringInMap(const char *String) { + void const * const oldMap = Map.Data(); + map_ptrloc const index = Map.WriteString(String); + if (index != 0) + ReMap(oldMap, Map.Data()); + return index; +} + /*}}}*/ +map_ptrloc pkgCacheGenerator::AllocateInMap(const unsigned long &size) {/*{{{*/ + void const * const oldMap = Map.Data(); + map_ptrloc const index = Map.Allocate(size); + if (index != 0) + ReMap(oldMap, Map.Data()); + return index; +} + /*}}}*/ // CacheGenerator::MergeList - Merge the package list /*{{{*/ // --------------------------------------------------------------------- /* This provides the generation of the entries in the cache. Each loop @@ -107,13 +174,27 @@ bool pkgCacheGenerator::MergeList(ListParser &List, unsigned int Counter = 0; while (List.Step() == true) { - // Get a pointer to the package structure - string PackageName = List.Package(); + string const PackageName = List.Package(); if (PackageName.empty() == true) return false; - + + /* As we handle Arch all packages as architecture bounded + we add all information to every (simulated) arch package */ + std::vector<string> genArch; + if (List.ArchitectureAll() == true) { + genArch = APT::Configuration::getArchitectures(); + if (genArch.size() != 1) + genArch.push_back("all"); + } else + genArch.push_back(List.Architecture()); + + for (std::vector<string>::const_iterator arch = genArch.begin(); + arch != genArch.end(); ++arch) + { + // Get a pointer to the package structure pkgCache::PkgIterator Pkg; - if (NewPackage(Pkg,PackageName) == false) + 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) @@ -128,18 +209,20 @@ bool pkgCacheGenerator::MergeList(ListParser &List, // we first process the package, then the descriptions // (this has the bonus that we get MMap error when we run out // of MMap space) - if (List.UsePackage(Pkg,pkgCache::VerIterator(Cache)) == false) + 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(); - pkgCache::VerIterator Ver = Pkg.VersionList(); - map_ptrloc *LastVer = &Pkg->VersionList; + Ver = Pkg.VersionList(); - for (; Ver.end() == false; LastVer = &Ver->NextVer, Ver++) + for (; Ver.end() == false; ++Ver) { pkgCache::DescIterator Desc = Ver.DescriptionList(); + Dynamic<pkgCache::DescIterator> DynDesc(Desc); map_ptrloc *LastDesc = &Ver->DescriptionList; bool duplicate=false; @@ -159,7 +242,11 @@ bool pkgCacheGenerator::MergeList(ListParser &List, if (MD5SumValue(Desc.md5()) == CurMd5) { // Add new description - *LastDesc = NewDescription(Desc, List.DescriptionLanguage(), CurMd5, *LastDesc); + 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) @@ -173,19 +260,26 @@ bool pkgCacheGenerator::MergeList(ListParser &List, } pkgCache::VerIterator Ver = Pkg.VersionList(); + Dynamic<pkgCache::VerIterator> DynVer(Ver); map_ptrloc *LastVer = &Pkg->VersionList; + void const * oldMap = Map.Data(); int Res = 1; + unsigned long const Hash = List.VersionHash(); for (; Ver.end() == false; LastVer = &Ver->NextVer, Ver++) { Res = Cache.VS->CmpVersion(Version,Ver.VerStr()); - if (Res >= 0) + // Version is higher as current version - insert here + if (Res > 0) + break; + // Versionstrings are equal - is hash also equal? + if (Res == 0 && Ver->Hash == Hash) break; + // proceed with the next till we have either the right + // or we found another version (which will be lower) } - - /* We already have a version for this item, record that we - saw it */ - unsigned long Hash = List.VersionHash(); - if (Res == 0 && Ver->Hash == Hash) + + /* We already have a version for this item, record that we saw it */ + if (Res == 0 && Ver.end() == false && Ver->Hash == Hash) { if (List.UsePackage(Pkg,Ver) == false) return _error->Error(_("Error occurred while processing %s (UsePackage2)"), @@ -204,35 +298,31 @@ bool pkgCacheGenerator::MergeList(ListParser &List, } continue; - } - - // Skip to the end of the same version set. - if (Res == 0) - { - for (; Ver.end() == false; LastVer = &Ver->NextVer, Ver++) - { - Res = Cache.VS->CmpVersion(Version,Ver.VerStr()); - if (Res != 0) - break; - } } // Add a new version - *LastVer = NewVersion(Ver,Version,*LastVer); + 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); + + if (oldMap != Map.Data()) + LastVer += (map_ptrloc*) Map.Data() - (map_ptrloc*) oldMap; + *LastVer = verindex; Ver->ParentPkg = Pkg.Index(); Ver->Hash = Hash; - if ((*LastVer == 0 && _error->PendingError()) || List.NewVersion(Ver) == false) - return _error->Error(_("Error occurred while processing %s (NewVersion1)"), - PackageName.c_str()); + if (List.NewVersion(Ver) == false) + return _error->Error(_("Error occurred while processing %s (NewVersion%d)"), + PackageName.c_str(), 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 (NewVersion2)"), - PackageName.c_str()); + return _error->Error(_("Error occurred while processing %s (NewVersion%d)"), + PackageName.c_str(), 3); // Read only a single record and return if (OutVer != 0) @@ -245,17 +335,23 @@ bool pkgCacheGenerator::MergeList(ListParser &List, /* 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; - + // Skip to the end of description set for (; Desc.end() == false; LastDesc = &Desc->NextDesc, Desc++); // Add new description - *LastDesc = NewDescription(Desc, List.DescriptionLanguage(), List.Description_md5(), *LastDesc); + 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(); if ((*LastDesc == 0 && _error->PendingError()) || NewFileDesc(Desc,List) == false) return _error->Error(_("Error occurred while processing %s (NewFileDesc2)"),PackageName.c_str()); + } } FoundFileDeps |= List.HasFileDeps(); @@ -297,6 +393,7 @@ bool pkgCacheGenerator::MergeFileProvides(ListParser &List) continue; 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()); @@ -306,6 +403,7 @@ bool pkgCacheGenerator::MergeFileProvides(ListParser &List) unsigned long Hash = List.VersionHash(); pkgCache::VerIterator Ver = Pkg.VersionList(); + Dynamic<pkgCache::VerIterator> DynVer(Ver); for (; Ver.end() == false; Ver++) { if (Ver->Hash == Hash && Version.c_str() == Ver.VerStr()) @@ -323,33 +421,82 @@ bool pkgCacheGenerator::MergeFileProvides(ListParser &List) return true; } /*}}}*/ -// CacheGenerator::NewPackage - Add a new package /*{{{*/ +// CacheGenerator::NewGroup - Add a new group /*{{{*/ // --------------------------------------------------------------------- -/* This creates a new package structure and adds it to the hash table */ -bool pkgCacheGenerator::NewPackage(pkgCache::PkgIterator &Pkg,const string &Name) +/* This creates a new group structure and adds it to the hash table */ +bool pkgCacheGenerator::NewGroup(pkgCache::GrpIterator &Grp, const string &Name) { - Pkg = Cache.FindPkg(Name); - if (Pkg.end() == false) + Grp = Cache.FindGrp(Name); + if (Grp.end() == false) return true; // Get a structure - unsigned long Package = Map.Allocate(sizeof(pkgCache::Package)); - if (Package == 0) + map_ptrloc const Group = AllocateInMap(sizeof(pkgCache::Group)); + if (unlikely(Group == 0)) return false; - - Pkg = pkgCache::PkgIterator(Cache,Cache.PkgP + Package); - + + Grp = pkgCache::GrpIterator(Cache, Cache.GrpP + Group); + map_ptrloc const idxName = WriteStringInMap(Name); + if (unlikely(idxName == 0)) + return false; + Grp->Name = idxName; + // Insert it into the hash table - unsigned long Hash = Cache.Hash(Name); - Pkg->NextPackage = Cache.HeaderP->HashTable[Hash]; - Cache.HeaderP->HashTable[Hash] = Package; - - // Set the name and the ID - Pkg->Name = Map.WriteString(Name); - if (Pkg->Name == 0) + unsigned long const Hash = Cache.Hash(Name); + Grp->Next = Cache.HeaderP->GrpHashTable[Hash]; + Cache.HeaderP->GrpHashTable[Hash] = Group; + + Grp->ID = Cache.HeaderP->GroupCount++; + return true; +} + /*}}}*/ +// CacheGenerator::NewPackage - Add a new package /*{{{*/ +// --------------------------------------------------------------------- +/* This creates a new package structure and adds it to the hash table */ +bool pkgCacheGenerator::NewPackage(pkgCache::PkgIterator &Pkg,const string &Name, + const string &Arch) { + pkgCache::GrpIterator Grp; + Dynamic<pkgCache::GrpIterator> DynGrp(Grp); + if (unlikely(NewGroup(Grp, Name) == false)) + return false; + + Pkg = Grp.FindPkg(Arch); + if (Pkg.end() == false) + return true; + + // Get a structure + map_ptrloc const Package = AllocateInMap(sizeof(pkgCache::Package)); + if (unlikely(Package == 0)) + return false; + Pkg = pkgCache::PkgIterator(Cache,Cache.PkgP + Package); + + // Insert the package into our package list + if (Grp->FirstPackage == 0) // the group is new + { + // Insert it into the hash table + unsigned long const Hash = Cache.Hash(Name); + Pkg->NextPackage = Cache.HeaderP->PkgHashTable[Hash]; + Cache.HeaderP->PkgHashTable[Hash] = Package; + Grp->FirstPackage = Package; + } + else // Group the Packages together + { + // this package is the new last package + pkgCache::PkgIterator LastPkg(Cache, Cache.PkgP + Grp->LastPackage); + Pkg->NextPackage = LastPkg->NextPackage; + LastPkg->NextPackage = Package; + } + Grp->LastPackage = Package; + + // Set the name, arch and the ID + Pkg->Name = Grp->Name; + Pkg->Group = Grp.Index(); + map_ptrloc const idxArch = WriteUniqString(Arch.c_str()); + if (unlikely(idxArch == 0)) return false; + Pkg->Arch = idxArch; Pkg->ID = Cache.HeaderP->PackageCount++; - + return true; } /*}}}*/ @@ -363,7 +510,7 @@ bool pkgCacheGenerator::NewFileVer(pkgCache::VerIterator &Ver, return true; // Get a structure - unsigned long VerFile = Map.Allocate(sizeof(pkgCache::VerFile)); + map_ptrloc const VerFile = AllocateInMap(sizeof(pkgCache::VerFile)); if (VerFile == 0) return 0; @@ -394,7 +541,7 @@ unsigned long pkgCacheGenerator::NewVersion(pkgCache::VerIterator &Ver, unsigned long Next) { // Get a structure - unsigned long Version = Map.Allocate(sizeof(pkgCache::Version)); + map_ptrloc const Version = AllocateInMap(sizeof(pkgCache::Version)); if (Version == 0) return 0; @@ -402,9 +549,10 @@ unsigned long pkgCacheGenerator::NewVersion(pkgCache::VerIterator &Ver, Ver = pkgCache::VerIterator(Cache,Cache.VerP + Version); Ver->NextVer = Next; Ver->ID = Cache.HeaderP->VersionCount++; - Ver->VerStr = Map.WriteString(VerStr); - if (Ver->VerStr == 0) + map_ptrloc const idxVerStr = WriteStringInMap(VerStr); + if (unlikely(idxVerStr == 0)) return 0; + Ver->VerStr = idxVerStr; return Version; } @@ -419,7 +567,7 @@ bool pkgCacheGenerator::NewFileDesc(pkgCache::DescIterator &Desc, return true; // Get a structure - unsigned long DescFile = Map.Allocate(sizeof(pkgCache::DescFile)); + map_ptrloc const DescFile = AllocateInMap(sizeof(pkgCache::DescFile)); if (DescFile == 0) return false; @@ -452,7 +600,7 @@ map_ptrloc pkgCacheGenerator::NewDescription(pkgCache::DescIterator &Desc, map_ptrloc Next) { // Get a structure - map_ptrloc Description = Map.Allocate(sizeof(pkgCache::Description)); + map_ptrloc const Description = AllocateInMap(sizeof(pkgCache::Description)); if (Description == 0) return 0; @@ -460,73 +608,149 @@ map_ptrloc pkgCacheGenerator::NewDescription(pkgCache::DescIterator &Desc, Desc = pkgCache::DescIterator(Cache,Cache.DescP + Description); Desc->NextDesc = Next; Desc->ID = Cache.HeaderP->DescriptionCount++; - Desc->language_code = Map.WriteString(Lang); - Desc->md5sum = Map.WriteString(md5sum.Value()); - if (Desc->language_code == 0 || Desc->md5sum == 0) + map_ptrloc const idxlanguage_code = WriteStringInMap(Lang); + map_ptrloc const idxmd5sum = WriteStringInMap(md5sum.Value()); + if (unlikely(idxlanguage_code == 0 || idxmd5sum == 0)) return 0; + Desc->language_code = idxlanguage_code; + Desc->md5sum = idxmd5sum; return Description; } /*}}}*/ -// ListParser::NewDepends - Create a dependency element /*{{{*/ +// CacheGenerator::FinishCache - do various finish operations /*{{{*/ +// --------------------------------------------------------------------- +/* This prepares the Cache for delivery */ +bool pkgCacheGenerator::FinishCache(OpProgress *Progress) +{ + // FIXME: add progress reporting for this operation + // Do we have different architectures in your groups ? + vector<string> archs = APT::Configuration::getArchitectures(); + if (archs.size() > 1) + { + // Create Conflicts in between the group + pkgCache::GrpIterator G = GetCache().GrpBegin(); + Dynamic<pkgCache::GrpIterator> DynG(G); + for (; G.end() != true; G++) + { + string const PkgName = G.Name(); + pkgCache::PkgIterator P = G.PackageList(); + Dynamic<pkgCache::PkgIterator> DynP(P); + for (; P.end() != true; P = G.NextPkg(P)) + { + if (strcmp(P.Arch(),"all") == 0) + continue; + pkgCache::PkgIterator allPkg; + Dynamic<pkgCache::PkgIterator> DynallPkg(allPkg); + pkgCache::VerIterator V = P.VersionList(); + Dynamic<pkgCache::VerIterator> DynV(V); + for (; V.end() != true; V++) + { + string const Arch = V.Arch(true); + map_ptrloc *OldDepLast = NULL; + /* MultiArch handling introduces a lot of implicit Dependencies: + - MultiArch: same → Co-Installable if they have the same version + - Architecture: all → Need to be Co-Installable for internal reasons + - All others conflict with all other group members */ + bool const coInstall = (V->MultiArch == pkgCache::Version::All || + V->MultiArch == pkgCache::Version::Same); + if (V->MultiArch == pkgCache::Version::All && allPkg.end() == true) + allPkg = G.FindPkg("all"); + for (vector<string>::const_iterator A = archs.begin(); A != archs.end(); ++A) + { + if (*A == Arch) + continue; + /* We allow only one installed arch at the time + per group, therefore each group member conflicts + with all other group members */ + pkgCache::PkgIterator D = G.FindPkg(*A); + Dynamic<pkgCache::PkgIterator> DynD(D); + if (D.end() == true) + continue; + if (coInstall == true) + { + // Replaces: ${self}:other ( << ${binary:Version}) + NewDepends(D, V, V.VerStr(), + pkgCache::Dep::Less, pkgCache::Dep::Replaces, + OldDepLast); + // Breaks: ${self}:other (!= ${binary:Version}) + NewDepends(D, V, V.VerStr(), + pkgCache::Dep::NotEquals, pkgCache::Dep::DpkgBreaks, + OldDepLast); + if (V->MultiArch == pkgCache::Version::All) + { + // Depend on ${self}:all which does depend on nothing + NewDepends(allPkg, V, V.VerStr(), + pkgCache::Dep::Equals, pkgCache::Dep::Depends, + OldDepLast); + } + } else { + // Conflicts: ${self}:other + NewDepends(D, V, "", + pkgCache::Dep::NoOp, pkgCache::Dep::Conflicts, + OldDepLast); + } + } + } + } + } + } + return true; +} + /*}}}*/ +// CacheGenerator::NewDepends - Create a dependency element /*{{{*/ // --------------------------------------------------------------------- /* This creates a dependency element in the tree. It is linked to the version and to the package that it is pointing to. */ -bool pkgCacheGenerator::ListParser::NewDepends(pkgCache::VerIterator Ver, - const string &PackageName, - const string &Version, - unsigned int Op, - unsigned int Type) +bool pkgCacheGenerator::NewDepends(pkgCache::PkgIterator &Pkg, + pkgCache::VerIterator &Ver, + string const &Version, + unsigned int const &Op, + unsigned int const &Type, + map_ptrloc *OldDepLast) { - pkgCache &Cache = Owner->Cache; - + void const * const oldMap = Map.Data(); // Get a structure - unsigned long Dependency = Owner->Map.Allocate(sizeof(pkgCache::Dependency)); - if (Dependency == 0) + map_ptrloc const Dependency = AllocateInMap(sizeof(pkgCache::Dependency)); + if (unlikely(Dependency == 0)) return false; // Fill it in pkgCache::DepIterator Dep(Cache,Cache.DepP + Dependency); + Dynamic<pkgCache::DepIterator> DynDep(Dep); Dep->ParentVer = Ver.Index(); Dep->Type = Type; Dep->CompareOp = Op; Dep->ID = Cache.HeaderP->DependsCount++; - - // Locate the target package - pkgCache::PkgIterator Pkg; - if (Owner->NewPackage(Pkg,PackageName) == false) - return false; - + // Probe the reverse dependency list for a version string that matches if (Version.empty() == false) { /* for (pkgCache::DepIterator I = Pkg.RevDependsList(); I.end() == false; I++) if (I->Version != 0 && I.TargetVer() == Version) Dep->Version = I->Version;*/ - if (Dep->Version == 0) - if ((Dep->Version = WriteString(Version)) == 0) + if (Dep->Version == 0) { + map_ptrloc const index = WriteStringInMap(Version); + if (unlikely(index == 0)) return false; + Dep->Version = index; + } } - + // Link it to the package Dep->Package = Pkg.Index(); Dep->NextRevDepends = Pkg->RevDepends; Pkg->RevDepends = Dep.Index(); - - /* Link it to the version (at the end of the list) - Caching the old end point speeds up generation substantially */ - if (OldDepVer != Ver) + + // Do we know where to link the Dependency to? + if (OldDepLast == NULL) { OldDepLast = &Ver->DependsList; for (pkgCache::DepIterator D = Ver.DependsList(); D.end() == false; D++) OldDepLast = &D->NextDepends; - OldDepVer = Ver; - } + } else if (oldMap != Map.Data()) + OldDepLast += (map_ptrloc*) Map.Data() - (map_ptrloc*) oldMap; - // Is it a file dependency? - if (PackageName[0] == '/') - FoundFileDeps = true; - Dep->NextDepends = *OldDepLast; *OldDepLast = Dep.Index(); OldDepLast = &Dep->NextDepends; @@ -534,36 +758,76 @@ bool pkgCacheGenerator::ListParser::NewDepends(pkgCache::VerIterator Ver, return true; } /*}}}*/ +// ListParser::NewDepends - Create the environment for a new dependency /*{{{*/ +// --------------------------------------------------------------------- +/* This creates a Group and the Package to link this dependency to if + needed and handles also the caching of the old endpoint */ +bool pkgCacheGenerator::ListParser::NewDepends(pkgCache::VerIterator &Ver, + const string &PackageName, + const string &Arch, + const string &Version, + unsigned int Op, + unsigned int Type) +{ + pkgCache::GrpIterator Grp; + Dynamic<pkgCache::GrpIterator> DynGrp(Grp); + if (unlikely(Owner->NewGroup(Grp, PackageName) == false)) + return false; + + // Locate the target package + pkgCache::PkgIterator Pkg = Grp.FindPkg(Arch); + Dynamic<pkgCache::PkgIterator> DynPkg(Pkg); + if (Pkg.end() == true) { + if (unlikely(Owner->NewPackage(Pkg, PackageName, Arch) == false)) + return false; + } + + // Is it a file dependency? + if (unlikely(PackageName[0] == '/')) + FoundFileDeps = true; + + /* Caching the old end point speeds up generation substantially */ + if (OldDepVer != Ver) { + OldDepLast = NULL; + OldDepVer = Ver; + } + + return Owner->NewDepends(Pkg, Ver, Version, Op, Type, OldDepLast); +} + /*}}}*/ // ListParser::NewProvides - Create a Provides element /*{{{*/ // --------------------------------------------------------------------- /* */ -bool pkgCacheGenerator::ListParser::NewProvides(pkgCache::VerIterator Ver, - const string &PackageName, +bool pkgCacheGenerator::ListParser::NewProvides(pkgCache::VerIterator &Ver, + const string &PkgName, + const string &PkgArch, const string &Version) { pkgCache &Cache = Owner->Cache; // We do not add self referencing provides - if (Ver.ParentPkg().Name() == PackageName) + if (Ver.ParentPkg().Name() == PkgName && PkgArch == Ver.Arch(true)) return true; // Get a structure - unsigned long Provides = Owner->Map.Allocate(sizeof(pkgCache::Provides)); - if (Provides == 0) + map_ptrloc const Provides = Owner->AllocateInMap(sizeof(pkgCache::Provides)); + if (unlikely(Provides == 0)) return false; Cache.HeaderP->ProvidesCount++; // Fill it in pkgCache::PrvIterator Prv(Cache,Cache.ProvideP + Provides,Cache.PkgP); + Dynamic<pkgCache::PrvIterator> DynPrv(Prv); Prv->Version = Ver.Index(); Prv->NextPkgProv = Ver->ProvidesList; Ver->ProvidesList = Prv.Index(); - if (Version.empty() == false && (Prv->ProvideVersion = WriteString(Version)) == 0) + if (Version.empty() == false && unlikely((Prv->ProvideVersion = WriteString(Version)) == 0)) return false; // Locate the target package pkgCache::PkgIterator Pkg; - if (Owner->NewPackage(Pkg,PackageName) == false) + Dynamic<pkgCache::PkgIterator> DynPkg(Pkg); + if (unlikely(Owner->NewPackage(Pkg,PkgName, PkgArch) == false)) return false; // Link it to the package @@ -583,24 +847,29 @@ bool pkgCacheGenerator::SelectFile(const string &File,const string &Site, unsigned long Flags) { // Get some space for the structure - CurrentFile = Cache.PkgFileP + Map.Allocate(sizeof(*CurrentFile)); - if (CurrentFile == Cache.PkgFileP) + map_ptrloc const idxFile = AllocateInMap(sizeof(*CurrentFile)); + if (unlikely(idxFile == 0)) return false; - + CurrentFile = Cache.PkgFileP + idxFile; + // Fill it in - CurrentFile->FileName = Map.WriteString(File); - CurrentFile->Site = WriteUniqString(Site); + map_ptrloc const idxFileName = WriteStringInMap(File); + map_ptrloc const idxSite = WriteUniqString(Site); + if (unlikely(idxFileName == 0 || idxSite == 0)) + return false; + CurrentFile->FileName = idxFileName; + CurrentFile->Site = idxSite; CurrentFile->NextFile = Cache.HeaderP->FileList; CurrentFile->Flags = Flags; CurrentFile->ID = Cache.HeaderP->PackageFileCount; - CurrentFile->IndexType = WriteUniqString(Index.GetType()->Label); + map_ptrloc const idxIndexType = WriteUniqString(Index.GetType()->Label); + if (unlikely(idxIndexType == 0)) + return false; + CurrentFile->IndexType = idxIndexType; PkgFileName = File; Cache.HeaderP->FileList = CurrentFile - Cache.PkgFileP; Cache.HeaderP->PackageFileCount++; - if (CurrentFile->FileName == 0) - return false; - if (Progress != 0) Progress->SubProgress(Index.Size()); return true; @@ -640,18 +909,25 @@ unsigned long pkgCacheGenerator::WriteUniqString(const char *S, } // Get a structure - unsigned long Item = Map.Allocate(sizeof(pkgCache::StringItem)); + void const * const oldMap = Map.Data(); + map_ptrloc const Item = AllocateInMap(sizeof(pkgCache::StringItem)); if (Item == 0) return 0; + map_ptrloc const idxString = WriteStringInMap(S,Size); + if (unlikely(idxString == 0)) + return 0; + if (oldMap != Map.Data()) { + Last += (map_ptrloc*) Map.Data() - (map_ptrloc*) oldMap; + I += (pkgCache::StringItem*) Map.Data() - (pkgCache::StringItem*) oldMap; + } + *Last = Item; + // Fill in the structure pkgCache::StringItem *ItemP = Cache.StringItemP + Item; ItemP->NextItem = I - Cache.StringItemP; - *Last = Item; - ItemP->String = Map.WriteString(S,Size); - if (ItemP->String == 0) - return 0; - + ItemP->String = idxString; + Bucket = ItemP; return ItemP->String; } @@ -769,7 +1045,7 @@ static unsigned long ComputeSize(FileIterator Start,FileIterator End) // --------------------------------------------------------------------- /* */ static bool BuildCache(pkgCacheGenerator &Gen, - OpProgress &Progress, + OpProgress *Progress, unsigned long &CurrentSize,unsigned long TotalSize, FileIterator Start, FileIterator End) { @@ -790,7 +1066,8 @@ static bool BuildCache(pkgCacheGenerator &Gen, } unsigned long Size = (*I)->Size(); - Progress.OverallProgress(CurrentSize,TotalSize,Size,_("Reading package lists")); + if (Progress != NULL) + Progress->OverallProgress(CurrentSize,TotalSize,Size,_("Reading package lists")); CurrentSize += Size; if ((*I)->Merge(Gen,Progress) == false) @@ -799,13 +1076,15 @@ static bool BuildCache(pkgCacheGenerator &Gen, if (Gen.HasFileDeps() == true) { - Progress.Done(); + if (Progress != NULL) + Progress->Done(); TotalSize = ComputeSize(Start, End); CurrentSize = 0; for (I = Start; I != End; I++) { unsigned long Size = (*I)->Size(); - Progress.OverallProgress(CurrentSize,TotalSize,Size,_("Collecting File Provides")); + if (Progress != NULL) + Progress->OverallProgress(CurrentSize,TotalSize,Size,_("Collecting File Provides")); CurrentSize += Size; if ((*I)->MergeFileProvides(Gen,Progress) == false) return false; @@ -815,7 +1094,19 @@ static bool BuildCache(pkgCacheGenerator &Gen, return true; } /*}}}*/ -// MakeStatusCache - Construct the status cache /*{{{*/ +DynamicMMap* pkgCacheGenerator::CreateDynamicMMap(FileFd *CacheF, unsigned long Flags) { + unsigned long const MapStart = _config->FindI("APT::Cache-Start", 24*1024*1024); + unsigned long const MapGrow = _config->FindI("APT::Cache-Grow", 1*1024*1024); + unsigned long const MapLimit = _config->FindI("APT::Cache-Limit", 0); + Flags |= MMap::Moveable; + if (_config->FindB("APT::Cache-Fallback", false) == true) + Flags |= MMap::Fallback; + if (CacheF != NULL) + return new DynamicMMap(*CacheF, Flags, MapStart, MapGrow, MapLimit); + else + return new DynamicMMap(Flags, MapStart, MapGrow, MapLimit); +} +// CacheGenerator::MakeStatusCache - Construct the status cache /*{{{*/ // --------------------------------------------------------------------- /* This makes sure that the status cache (the cache that has all index files from the sources list and all local ones) is ready @@ -823,11 +1114,13 @@ static bool BuildCache(pkgCacheGenerator &Gen, the cache will be stored there. This is pretty much mandetory if you are using AllowMem. AllowMem lets the function be run as non-root where it builds the cache 'fast' into a memory buffer. */ -bool pkgMakeStatusCache(pkgSourceList &List,OpProgress &Progress, +__deprecated bool pkgMakeStatusCache(pkgSourceList &List,OpProgress &Progress, + MMap **OutMap, bool AllowMem) + { return pkgCacheGenerator::MakeStatusCache(List, &Progress, OutMap, AllowMem); } +bool pkgCacheGenerator::MakeStatusCache(pkgSourceList &List,OpProgress *Progress, MMap **OutMap,bool AllowMem) { bool const Debug = _config->FindB("Debug::pkgCacheGen", false); - unsigned long const MapSize = _config->FindI("APT::Cache-Limit",24*1024*1024); vector<pkgIndexFile *> Files; for (vector<metaIndex *>::const_iterator i = List.begin(); @@ -848,7 +1141,20 @@ bool pkgMakeStatusCache(pkgSourceList &List,OpProgress &Progress, // Decide if we can write to the files.. string const CacheFile = _config->FindFile("Dir::Cache::pkgcache"); string const SrcCacheFile = _config->FindFile("Dir::Cache::srcpkgcache"); - + + // ensure the cache directory exists + if (CacheFile.empty() == false || SrcCacheFile.empty() == false) + { + string dir = _config->FindDir("Dir::Cache"); + size_t const len = dir.size(); + if (len > 5 && dir.find("/apt/", len - 6, 5) == len - 5) + dir = dir.substr(0, len - 5); + if (CacheFile.empty() == false) + CreateDirectory(dir, flNotFile(CacheFile)); + if (SrcCacheFile.empty() == false) + CreateDirectory(dir, flNotFile(SrcCacheFile)); + } + // Decide if we can write to the cache bool Writeable = false; if (CacheFile.empty() == false) @@ -861,13 +1167,15 @@ bool pkgMakeStatusCache(pkgSourceList &List,OpProgress &Progress, if (Writeable == false && AllowMem == false && CacheFile.empty() == false) return _error->Error(_("Unable to write to %s"),flNotFile(CacheFile).c_str()); - - Progress.OverallProgress(0,1,1,_("Reading package lists")); - + + if (Progress != NULL) + Progress->OverallProgress(0,1,1,_("Reading package lists")); + // Cache is OK, Fin. if (CheckValidity(CacheFile,Files.begin(),Files.end(),OutMap) == true) { - Progress.OverallProgress(1,1,1,_("Reading package lists")); + if (Progress != NULL) + Progress->OverallProgress(1,1,1,_("Reading package lists")); if (Debug == true) std::clog << "pkgcache.bin is valid - no need to build anything" << std::endl; return true; @@ -884,7 +1192,7 @@ bool pkgMakeStatusCache(pkgSourceList &List,OpProgress &Progress, unlink(CacheFile.c_str()); CacheF = new FileFd(CacheFile,FileFd::WriteEmpty); fchmod(CacheF->Fd(),0644); - Map = new DynamicMMap(*CacheF,MMap::Public,MapSize); + Map = CreateDynamicMMap(CacheF, MMap::Public); if (_error->PendingError() == true) return false; if (Debug == true) @@ -893,7 +1201,7 @@ bool pkgMakeStatusCache(pkgSourceList &List,OpProgress &Progress, else { // Just build it in memory.. - Map = new DynamicMMap(0,MapSize); + Map = CreateDynamicMMap(NULL); if (Debug == true) std::clog << "Open memory Map (not filebased)" << std::endl; } @@ -917,12 +1225,15 @@ bool pkgMakeStatusCache(pkgSourceList &List,OpProgress &Progress, TotalSize = ComputeSize(Files.begin()+EndOfSource,Files.end()); // Build the status cache - pkgCacheGenerator Gen(Map.Get(),&Progress); + pkgCacheGenerator Gen(Map.Get(),Progress); if (_error->PendingError() == true) return false; if (BuildCache(Gen,Progress,CurrentSize,TotalSize, Files.begin()+EndOfSource,Files.end()) == false) return false; + + // FIXME: move me to a better place + Gen.FinishCache(Progress); } else { @@ -931,7 +1242,7 @@ bool pkgMakeStatusCache(pkgSourceList &List,OpProgress &Progress, TotalSize = ComputeSize(Files.begin(),Files.end()); // Build the source cache - pkgCacheGenerator Gen(Map.Get(),&Progress); + pkgCacheGenerator Gen(Map.Get(),Progress); if (_error->PendingError() == true) return false; if (BuildCache(Gen,Progress,CurrentSize,TotalSize, @@ -965,6 +1276,9 @@ bool pkgMakeStatusCache(pkgSourceList &List,OpProgress &Progress, if (BuildCache(Gen,Progress,CurrentSize,TotalSize, Files.begin()+EndOfSource,Files.end()) == false) return false; + + // FIXME: move me to a better place + Gen.FinishCache(Progress); } if (Debug == true) std::clog << "Caches are ready for shipping" << std::endl; @@ -987,32 +1301,37 @@ bool pkgMakeStatusCache(pkgSourceList &List,OpProgress &Progress, return true; } /*}}}*/ -// MakeOnlyStatusCache - Build a cache with just the status files /*{{{*/ +// CacheGenerator::MakeOnlyStatusCache - Build only a status files cache/*{{{*/ // --------------------------------------------------------------------- /* */ -bool pkgMakeOnlyStatusCache(OpProgress &Progress,DynamicMMap **OutMap) +__deprecated bool pkgMakeOnlyStatusCache(OpProgress &Progress,DynamicMMap **OutMap) + { return pkgCacheGenerator::MakeOnlyStatusCache(&Progress, OutMap); } +bool pkgCacheGenerator::MakeOnlyStatusCache(OpProgress *Progress,DynamicMMap **OutMap) { - unsigned long MapSize = _config->FindI("APT::Cache-Limit",20*1024*1024); vector<pkgIndexFile *> Files; unsigned long EndOfSource = Files.size(); if (_system->AddStatusFiles(Files) == false) return false; - - SPtr<DynamicMMap> Map = new DynamicMMap(0,MapSize); + + SPtr<DynamicMMap> Map = CreateDynamicMMap(NULL); unsigned long CurrentSize = 0; unsigned long TotalSize = 0; TotalSize = ComputeSize(Files.begin()+EndOfSource,Files.end()); // Build the status cache - Progress.OverallProgress(0,1,1,_("Reading package lists")); - pkgCacheGenerator Gen(Map.Get(),&Progress); + if (Progress != NULL) + Progress->OverallProgress(0,1,1,_("Reading package lists")); + pkgCacheGenerator Gen(Map.Get(),Progress); if (_error->PendingError() == true) return false; if (BuildCache(Gen,Progress,CurrentSize,TotalSize, Files.begin()+EndOfSource,Files.end()) == false) return false; - + + // FIXME: move me to a better place + Gen.FinishCache(Progress); + if (_error->PendingError() == true) return false; *OutMap = Map.UnGuard(); |