From 2d11135a1b8e8ee0a21c7932d7ce08a89b354784 Mon Sep 17 00:00:00 2001 From: Arch Librarian Date: Mon, 20 Sep 2004 16:53:34 +0000 Subject: Support for memory-only caching Author: jgg Date: 1999-04-18 06:36:36 GMT Support for memory-only caching --- cmdline/apt-get.cc | 84 ++++++++++++++---------------------------------------- 1 file changed, 22 insertions(+), 62 deletions(-) (limited to 'cmdline') diff --git a/cmdline/apt-get.cc b/cmdline/apt-get.cc index a2c013206..07ba19f18 100644 --- a/cmdline/apt-get.cc +++ b/cmdline/apt-get.cc @@ -1,6 +1,6 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: apt-get.cc,v 1.51 1999/04/12 02:25:25 jgg Exp $ +// $Id: apt-get.cc,v 1.52 1999/04/18 06:36:36 jgg Exp $ /* ###################################################################### apt-get - Cover for dpkg @@ -30,15 +30,14 @@ #include #include #include -#include #include #include #include -#include #include #include #include #include +#include #include @@ -372,70 +371,27 @@ void Stats(ostream &out,pkgDepCache &Dep) // class CacheFile - Cover class for some dependency cache functions /*{{{*/ // --------------------------------------------------------------------- /* */ -class CacheFile +class CacheFile : public pkgCacheFile { public: - FileFd *File; - MMap *Map; - pkgDepCache *Cache; - pkgDpkgLock Lock; - - inline operator pkgDepCache &() {return *Cache;}; - inline pkgDepCache *operator ->() {return Cache;}; - inline pkgDepCache &operator *() {return *Cache;}; - - bool Open(bool AllowBroken = false); - CacheFile() : File(0), Map(0), Cache(0) {}; - ~CacheFile() + bool CheckDeps(bool AllowBroken = false); + bool Open(bool WithLock = true) { - delete Cache; - delete Map; - delete File; - } + OpTextProgress Prog(*_config); + return pkgCacheFile::Open(Prog,WithLock); + }; }; /*}}}*/ // CacheFile::Open - Open the cache file /*{{{*/ // --------------------------------------------------------------------- /* This routine generates the caches and then opens the dependency cache and verifies that the system is OK. */ -bool CacheFile::Open(bool AllowBroken) +bool CacheFile::CheckDeps(bool AllowBroken) { if (_error->PendingError() == true) return false; - - // Create a progress class - OpTextProgress Progress(*_config); - - // Read the source list - pkgSourceList List; - if (List.ReadMainList() == false) - return _error->Error("The list of sources could not be read."); - - // Build all of the caches - pkgMakeStatusCache(List,Progress); - 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"); - - Progress.Done(); - - // Open the cache file - File = new FileFd(_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; - - Cache = new pkgDepCache(*Map,Progress); - if (_error->PendingError() == true) - return false; - Progress.Done(); - // Check that the system is OK if (Cache->DelCount() != 0 || Cache->InstCount() != 0) return _error->Error("Internal Error, non-zero counts"); @@ -676,7 +632,7 @@ bool InstallPackages(CacheFile &Cache,bool ShwKept,bool Ask = true,bool Saftey = return _error->Error("Aborting Install."); } - Cache.Lock.Close(); + Cache.ReleaseLock(); return PM.DoInstall(); } /*}}}*/ @@ -724,7 +680,7 @@ bool DoUpdate(CommandLine &) // Prepare the cache. CacheFile Cache; - if (Cache.Open() == false) + if (Cache.Open() == false || Cache.CheckDeps() == false) return false; return true; @@ -737,7 +693,7 @@ bool DoUpdate(CommandLine &) bool DoUpgrade(CommandLine &CmdL) { CacheFile Cache; - if (Cache.Open() == false) + if (Cache.Open() == false || Cache.CheckDeps() == false) return false; // Do the upgrade @@ -756,7 +712,7 @@ bool DoUpgrade(CommandLine &CmdL) bool DoInstall(CommandLine &CmdL) { CacheFile Cache; - if (Cache.Open(CmdL.FileSize() != 1) == false) + if (Cache.Open() == false || Cache.CheckDeps(CmdL.FileSize() != 1) == false) return false; // Enter the special broken fixing mode if the user specified arguments @@ -949,7 +905,7 @@ bool DoInstall(CommandLine &CmdL) bool DoDistUpgrade(CommandLine &CmdL) { CacheFile Cache; - if (Cache.Open() == false) + if (Cache.Open() == false || Cache.CheckDeps() == false) return false; c0out << "Calculating Upgrade... " << flush; @@ -971,7 +927,7 @@ bool DoDistUpgrade(CommandLine &CmdL) bool DoDSelectUpgrade(CommandLine &CmdL) { CacheFile Cache; - if (Cache.Open() == false) + if (Cache.Open() == false || Cache.CheckDeps() == false) return false; // Install everything with the install flag set @@ -1066,7 +1022,7 @@ class LogCleaner : public pkgArchiveCleaner bool DoAutoClean(CommandLine &CmdL) { CacheFile Cache; - if (Cache.Open(true) == false) + if (Cache.Open() == false) return false; LogCleaner Cleaner; @@ -1083,19 +1039,23 @@ bool DoCheck(CommandLine &CmdL) { CacheFile Cache; Cache.Open(); + Cache.CheckDeps(); return true; } /*}}}*/ // DoSource - Fetch a source archive /*{{{*/ // --------------------------------------------------------------------- -/* */ +/* Fetch souce packages */ bool DoSource(CommandLine &CmdL) { CacheFile Cache; - if (Cache.Open(true) == false) + if (Cache.Open(false) == false) return false; + if (CmdL.FileSize() <= 1) + return _error->Error("Must specify at least one package to fetch source for"); + // Read the source list pkgSourceList List; if (List.ReadMainList() == false) -- cgit v1.2.3