X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/c37b9502fd00e03d7722314f94beb4f1441f621f..4e1c86a6c0cf9a6e51ec4f9b9ad9271547fa036d:/apt-pkg/cachefile.cc diff --git a/apt-pkg/cachefile.cc b/apt-pkg/cachefile.cc index 8b3b02171..7c2276185 100644 --- a/apt-pkg/cachefile.cc +++ b/apt-pkg/cachefile.cc @@ -1,6 +1,6 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: cachefile.cc,v 1.7 2001/07/01 20:49:08 jgg Exp $ +// $Id: cachefile.cc,v 1.8 2002/04/27 04:28:04 jgg Exp $ /* ###################################################################### CacheFile - Simple wrapper class for opening, generating and whatnot @@ -12,9 +12,7 @@ ##################################################################### */ /*}}}*/ // Include Files /*{{{*/ -#ifdef __GNUG__ -#pragma implementation "apt-pkg/cachefile.h" -#endif +#include #include #include @@ -23,14 +21,17 @@ #include #include #include - +#include +#include +#include + #include /*}}}*/ - // CacheFile::CacheFile - Constructor /*{{{*/ // --------------------------------------------------------------------- /* */ -pkgCacheFile::pkgCacheFile() : Map(0), Cache(0), DCache(0), Policy(0) +pkgCacheFile::pkgCacheFile() : d(NULL), Map(NULL), Cache(NULL), DCache(NULL), + SrcList(NULL), Policy(NULL) { } /*}}}*/ @@ -41,16 +42,31 @@ pkgCacheFile::~pkgCacheFile() { delete DCache; delete Policy; + delete SrcList; delete Cache; delete Map; _system->UnLock(true); -} +} /*}}}*/ -// CacheFile::Open - Open the cache files, creating if necessary /*{{{*/ +// CacheFile::BuildCaches - Open and build the cache files /*{{{*/ // --------------------------------------------------------------------- /* */ -bool pkgCacheFile::Open(OpProgress &Progress,bool WithLock) +bool pkgCacheFile::BuildCaches(OpProgress *Progress, bool WithLock) { + if (Cache != NULL) + return true; + + if (_config->FindB("pkgCacheFile::Generate", true) == false) + { + Map = new MMap(*new FileFd(_config->FindFile("Dir::Cache::pkgcache"), + FileFd::ReadOnly),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; @@ -60,47 +76,144 @@ bool pkgCacheFile::Open(OpProgress &Progress,bool WithLock) 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,!WithLock); + 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); if (_error->PendingError() == true) return false; - - // The policy engine + return true; +} + /*}}}*/ +// CacheFile::BuildSourceList - Open and build all relevant sources.list/*{{{*/ +// --------------------------------------------------------------------- +/* */ +bool pkgCacheFile::BuildSourceList(OpProgress *Progress) +{ + 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) + + if (ReadPinFile(*Policy) == false || ReadPinDir(*Policy) == false) return false; - - // Create the dependency cache + + return true; +} + /*}}}*/ +// CacheFile::BuildDepCache - Open and build the dependency cache /*{{{*/ +// --------------------------------------------------------------------- +/* */ +bool pkgCacheFile::BuildDepCache(OpProgress *Progress) +{ + if (DCache != NULL) + return true; + DCache = new pkgDepCache(Cache,Policy); if (_error->PendingError() == true) return false; - - DCache->Init(&Progress); - Progress.Done(); + + DCache->Init(Progress); + return true; +} + /*}}}*/ +// CacheFile::Open - Open the cache files, creating if necessary /*{{{*/ +// --------------------------------------------------------------------- +/* */ +bool pkgCacheFile::Open(OpProgress *Progress, bool WithLock) +{ + if (BuildCaches(Progress,WithLock) == false) + return false; + + if (BuildPolicy(Progress) == false) + return false; + + if (BuildDepCache(Progress) == false) + return false; + + if (Progress != NULL) + Progress->Done(); if (_error->PendingError() == true) return false; 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) + { + 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 (srcpkgcache.empty() == true) + return; + + 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 /*{{{*/ // --------------------------------------------------------------------- /* */ @@ -109,12 +222,14 @@ void pkgCacheFile::Close() delete DCache; delete Policy; delete Cache; + delete SrcList; delete Map; _system->UnLock(true); - Map = 0; - DCache = 0; - Policy = 0; - Cache = 0; + Map = NULL; + DCache = NULL; + Policy = NULL; + Cache = NULL; + SrcList = NULL; } /*}}}*/