X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/01ebdbd4ab4f59f93d5ce91fa4db744afe343210..2913337f8e15ec33e1637a7b7b46c9c11b80d247:/apt-pkg/cachefile.cc diff --git a/apt-pkg/cachefile.cc b/apt-pkg/cachefile.cc index 2efa0522c..ab3003092 100644 --- a/apt-pkg/cachefile.cc +++ b/apt-pkg/cachefile.cc @@ -1,6 +1,6 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: cachefile.cc,v 1.3 1999/05/04 20:09:48 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 @@ -21,71 +21,88 @@ #include #include #include +#include +#include + +#include /*}}}*/ // CacheFile::CacheFile - Constructor /*{{{*/ // --------------------------------------------------------------------- /* */ -pkgCacheFile::pkgCacheFile() : Map(0), Cache(0), Lock(0) +pkgCacheFile::pkgCacheFile() : Map(0), Cache(0), DCache(0), Policy(0) { } /*}}}*/ -// CacheFile::~CacheFile - Destructor /*{{{*/ +// CacheFile::~CacheFile - Destructor /*{{{*/ // --------------------------------------------------------------------- /* */ pkgCacheFile::~pkgCacheFile() { + delete DCache; + delete Policy; delete Cache; delete Map; - delete Lock; + _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 (WithLock == true) - Lock = new pkgDpkgLock; + 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."); + return _error->Error(_("The list of sources could not be read.")); + + // Read the caches + bool Res = pkgMakeStatusCache(List,Progress,&Map,!WithLock); + 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) + _error->Warning(_("You may want to run apt-get update to correct these problems")); + + Cache = new pkgCache(Map); + if (_error->PendingError() == true) + return false; + 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; - /* Build all of the caches, using the cache files if we are locking - (ie as root) */ - if (WithLock == true) - { - pkgMakeStatusCache(List,Progress); - Progress.Done(); - if (_error->PendingError() == true) - return _error->Error("The package lists or status file could not be parsed or opened."); - if (_error->empty() == false) - _error->Warning("You may want to run apt-get update to correct theses missing files"); - - // Open the cache file - FileFd File(_config->FindFile("Dir::Cache::pkgcache"),FileFd::ReadOnly); - if (_error->PendingError() == true) - return false; - - Map = new MMap(File,MMap::Public | MMap::ReadOnly); - if (_error->PendingError() == true) - return false; - } - else - { - Map = pkgMakeStatusCacheMem(List,Progress); - Progress.Done(); - if (Map == 0) - return false; - } + // The policy engine + Policy = new pkgPolicy(Cache); + if (_error->PendingError() == true) + return false; + if (ReadPinFile(*Policy) == false) + return false; // Create the dependency cache - Cache = new pkgDepCache(*Map,Progress); + DCache = new pkgDepCache(Cache,Policy); + if (_error->PendingError() == true) + return false; + + DCache->Init(&Progress); Progress.Done(); if (_error->PendingError() == true) return false; @@ -93,3 +110,21 @@ bool pkgCacheFile::Open(OpProgress &Progress,bool WithLock) return true; } /*}}}*/ + +// CacheFile::Close - close the cache files /*{{{*/ +// --------------------------------------------------------------------- +/* */ +void pkgCacheFile::Close() +{ + delete DCache; + delete Policy; + delete Cache; + delete Map; + _system->UnLock(true); + + Map = 0; + DCache = 0; + Policy = 0; + Cache = 0; +} + /*}}}*/