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authorArch Librarian <arch@canonical.com>2004-09-20 16:53:34 +0000
committerArch Librarian <arch@canonical.com>2004-09-20 16:53:34 +0000
commit2d11135a1b8e8ee0a21c7932d7ce08a89b354784 (patch)
tree7516c5025386801ae15773d4bed77a01bf1d69d3 /cmdline
parent25dbb396187255367674f264732db681538c87a2 (diff)
Support for memory-only caching
Author: jgg Date: 1999-04-18 06:36:36 GMT Support for memory-only caching
Diffstat (limited to 'cmdline')
-rw-r--r--cmdline/apt-get.cc84
1 files changed, 22 insertions, 62 deletions
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 <apt-pkg/init.h>
#include <apt-pkg/depcache.h>
#include <apt-pkg/sourcelist.h>
-#include <apt-pkg/pkgcachegen.h>
#include <apt-pkg/algorithms.h>
#include <apt-pkg/acquire-item.h>
#include <apt-pkg/dpkgpm.h>
-#include <apt-pkg/dpkginit.h>
#include <apt-pkg/strutl.h>
#include <apt-pkg/clean.h>
#include <apt-pkg/srcrecords.h>
#include <apt-pkg/version.h>
+#include <apt-pkg/cachefile.h>
#include <config.h>
@@ -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)