X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/893d3e85b98124fc28002be5584b685324646037..55ae7a516126f9f064d8353bf962256b7307590a:/apt-pkg/cachefile.cc diff --git a/apt-pkg/cachefile.cc b/apt-pkg/cachefile.cc index 4c2c56893..567e0ea9a 100644 --- a/apt-pkg/cachefile.cc +++ b/apt-pkg/cachefile.cc @@ -12,6 +12,8 @@ ##################################################################### */ /*}}}*/ // Include Files /*{{{*/ +#include + #include #include #include @@ -19,16 +21,27 @@ #include #include #include -#include #include - +#include +#include +#include +#include + +#include +#include +#include +#include + #include /*}}}*/ - // CacheFile::CacheFile - Constructor /*{{{*/ -// --------------------------------------------------------------------- -/* */ -pkgCacheFile::pkgCacheFile() : Map(0), Cache(0), DCache(0), Policy(0) +pkgCacheFile::pkgCacheFile() : d(NULL), ExternOwner(false), Map(NULL), Cache(NULL), + DCache(NULL), SrcList(NULL), Policy(NULL) +{ +} +pkgCacheFile::pkgCacheFile(pkgDepCache * const Owner) : d(NULL), ExternOwner(true), + Map(&Owner->GetCache().GetMap()), Cache(&Owner->GetCache()), + DCache(Owner), SrcList(NULL), Policy(NULL) { } /*}}}*/ @@ -37,41 +50,55 @@ pkgCacheFile::pkgCacheFile() : Map(0), Cache(0), DCache(0), Policy(0) /* */ pkgCacheFile::~pkgCacheFile() { - delete DCache; + if (ExternOwner == false) + { + delete DCache; + delete Cache; + delete Map; + } delete Policy; - delete Cache; - delete Map; - _system->UnLock(true); -} + delete SrcList; + if (ExternOwner == false) + _system->UnLock(true); +} /*}}}*/ // CacheFile::BuildCaches - Open and build the cache files /*{{{*/ // --------------------------------------------------------------------- /* */ -bool pkgCacheFile::BuildCaches(OpProgress &Progress,bool WithLock) +bool pkgCacheFile::BuildCaches(OpProgress *Progress, bool WithLock) { + if (Cache != NULL) + return true; + + if (_config->FindB("pkgCacheFile::Generate", true) == false) + { + FileFd file(_config->FindFile("Dir::Cache::pkgcache"), FileFd::ReadOnly); + Map = new MMap(file, MMap::Public|MMap::ReadOnly); + Cache = new pkgCache(Map); + if (_error->PendingError() == true) + return false; + return true; + } + + const bool ErrorWasEmpty = _error->empty(); if (WithLock == true) if (_system->Lock() == false) return false; - - if (_config->FindB("Debug::NoLocking",false) == true) - WithLock = false; - + if (_error->PendingError() == true) return false; - - // Read the source list - pkgSourceList List; - if (List.ReadMainList() == false) - return _error->Error(_("The list of sources could not be read.")); + + BuildSourceList(Progress); // Read the caches - bool Res = pkgMakeStatusCache(List,Progress,&Map,!WithLock); - Progress.Done(); + bool Res = pkgCacheGenerator::MakeStatusCache(*SrcList,Progress,&Map, true); + if (Progress != NULL) + Progress->Done(); if (Res == false) return _error->Error(_("The package lists or status file could not be parsed or opened.")); /* This sux, remove it someday */ - if (_error->empty() == false) + if (ErrorWasEmpty == true && _error->empty() == false) _error->Warning(_("You may want to run apt-get update to correct these problems")); Cache = new pkgCache(Map); @@ -80,116 +107,147 @@ bool pkgCacheFile::BuildCaches(OpProgress &Progress,bool WithLock) return true; } /*}}}*/ -// CacheFile::Open - Open the cache files, creating if necessary /*{{{*/ +// CacheFile::BuildSourceList - Open and build all relevant sources.list/*{{{*/ // --------------------------------------------------------------------- /* */ -bool pkgCacheFile::Open(OpProgress &Progress,bool WithLock) +bool pkgCacheFile::BuildSourceList(OpProgress * /*Progress*/) { - if (BuildCaches(Progress,WithLock) == false) - return false; - - // The policy engine + if (SrcList != NULL) + return true; + + SrcList = new pkgSourceList(); + if (SrcList->ReadMainList() == false) + return _error->Error(_("The list of sources could not be read.")); + return true; +} + /*}}}*/ +// CacheFile::BuildPolicy - Open and build all relevant preferences /*{{{*/ +// --------------------------------------------------------------------- +/* */ +bool pkgCacheFile::BuildPolicy(OpProgress * /*Progress*/) +{ + if (Policy != NULL) + return true; + Policy = new pkgPolicy(Cache); if (_error->PendingError() == true) return false; - if (ReadPinFile(*Policy) == false) - return false; - - // Create the dependency cache - DCache = new pkgDepCache(Cache,Policy); - if (_error->PendingError() == true) - return false; - - DCache->Init(&Progress); - Progress.Done(); - if (_error->PendingError() == true) + + if (ReadPinFile(*Policy) == false || ReadPinDir(*Policy) == false) return false; - + return true; } /*}}}*/ - -// CacheFile::ListUpdate - update the cache files /*{{{*/ +// CacheFile::BuildDepCache - Open and build the dependency cache /*{{{*/ // --------------------------------------------------------------------- -/* This is a simple wrapper to update the cache. it will fetch stuff - * from the network (or any other sources defined in sources.list) - */ -bool pkgCacheFile::ListUpdate(pkgAcquireStatus &Stat, pkgSourceList &List) +/* */ +bool pkgCacheFile::BuildDepCache(OpProgress *Progress) { - pkgAcquire Fetcher(&Stat); - - // Populate it with the source selection - if (List.GetIndexes(&Fetcher) == false) - return false; + if (DCache != NULL) + return true; - // Run scripts - RunScripts("APT::Update::Pre-Invoke"); - - // Run it - if (Fetcher.Run() == pkgAcquire::Failed) + if (BuildPolicy(Progress) == false) return false; - bool Failed = false; - bool TransientNetworkFailure = false; - for (pkgAcquire::ItemIterator I = Fetcher.ItemsBegin(); - I != Fetcher.ItemsEnd(); I++) - { - if ((*I)->Status == pkgAcquire::Item::StatDone) - continue; + DCache = new pkgDepCache(Cache,Policy); + if (_error->PendingError() == true) + return false; - (*I)->Finished(); + return DCache->Init(Progress); +} + /*}}}*/ +// CacheFile::Open - Open the cache files, creating if necessary /*{{{*/ +// --------------------------------------------------------------------- +/* */ +bool pkgCacheFile::Open(OpProgress *Progress, bool WithLock) +{ + if (BuildCaches(Progress,WithLock) == false) + return false; - fprintf(stderr,_("Failed to fetch %s %s\n"),(*I)->DescURI().c_str(), - (*I)->ErrorText.c_str()); + if (BuildPolicy(Progress) == false) + return false; - if ((*I)->Status == pkgAcquire::Item::StatTransientNetworkError) - { - TransientNetworkFailure = true; - continue; - } + if (BuildDepCache(Progress) == false) + return false; - Failed = true; - } + if (Progress != NULL) + Progress->Done(); + if (_error->PendingError() == true) + return false; - // Clean out any old list files - // Keep "APT::Get::List-Cleanup" name for compatibility, but - // this is really a global option for the APT library now - if (!TransientNetworkFailure && !Failed && - (_config->FindB("APT::Get::List-Cleanup",true) == true || - _config->FindB("APT::List-Cleanup",true) == true)) + return true; +} + /*}}}*/ +// CacheFile::RemoveCaches - remove all cache files from disk /*{{{*/ +// --------------------------------------------------------------------- +/* */ +void pkgCacheFile::RemoveCaches() +{ + std::string const pkgcache = _config->FindFile("Dir::cache::pkgcache"); + std::string const srcpkgcache = _config->FindFile("Dir::cache::srcpkgcache"); + + if (pkgcache.empty() == false && RealFileExists(pkgcache) == true) + unlink(pkgcache.c_str()); + if (srcpkgcache.empty() == false && RealFileExists(srcpkgcache) == true) + unlink(srcpkgcache.c_str()); + if (pkgcache.empty() == false) { - if (Fetcher.Clean(_config->FindDir("Dir::State::lists")) == false || - Fetcher.Clean(_config->FindDir("Dir::State::lists") + "partial/") == false) - // something went wrong with the clean - return false; + std::string cachedir = flNotFile(pkgcache); + std::string cachefile = flNotDir(pkgcache); + if (cachedir.empty() != true && cachefile.empty() != true && DirectoryExists(cachedir) == true) + { + cachefile.append("."); + std::vector caches = GetListOfFilesInDir(cachedir, false); + for (std::vector::const_iterator file = caches.begin(); file != caches.end(); ++file) + { + std::string nuke = flNotDir(*file); + if (strncmp(cachefile.c_str(), nuke.c_str(), cachefile.length()) != 0) + continue; + unlink(file->c_str()); + } + } } - - if (TransientNetworkFailure == true) - _error->Warning(_("Some index files failed to download, they have been ignored, or old ones used instead.")); - else if (Failed == true) - return _error->Error(_("Some index files failed to download, they have been ignored, or old ones used instead.")); + if (srcpkgcache.empty() == true) + return; - // Run the scripts if all was fine - RunScripts("APT::Update::Post-Invoke"); - return true; + std::string cachedir = flNotFile(srcpkgcache); + std::string cachefile = flNotDir(srcpkgcache); + if (cachedir.empty() == true || cachefile.empty() == true || DirectoryExists(cachedir) == false) + return; + cachefile.append("."); + std::vector caches = GetListOfFilesInDir(cachedir, false); + for (std::vector::const_iterator file = caches.begin(); file != caches.end(); ++file) + { + std::string nuke = flNotDir(*file); + if (strncmp(cachefile.c_str(), nuke.c_str(), cachefile.length()) != 0) + continue; + unlink(file->c_str()); + } } /*}}}*/ - // CacheFile::Close - close the cache files /*{{{*/ // --------------------------------------------------------------------- /* */ void pkgCacheFile::Close() { - delete DCache; + if (ExternOwner == false) + { + delete DCache; + delete Cache; + delete Map; + } + else + ExternOwner = false; delete Policy; - delete Cache; - delete Map; + delete SrcList; _system->UnLock(true); - Map = 0; - DCache = 0; - Policy = 0; - Cache = 0; + Map = NULL; + DCache = NULL; + Policy = NULL; + Cache = NULL; + SrcList = NULL; } /*}}}*/