// -*- 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
##################################################################### */
/*}}}*/
// Include Files /*{{{*/
-#ifdef __GNUG__
-#pragma implementation "apt-pkg/cachefile.h"
-#endif
-
#include <apt-pkg/cachefile.h>
#include <apt-pkg/error.h>
#include <apt-pkg/sourcelist.h>
#include <apt-pkg/pkgcachegen.h>
#include <apt-pkg/configuration.h>
+#include <apt-pkg/policy.h>
+#include <apt-pkg/pkgsystem.h>
+#include <apt-pkg/acquire-item.h>
+#include <apt-pkg/fileutl.h>
+
+#include <apti18n.h>
/*}}}*/
-
// 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)
{
+ const bool ErrorWasEmpty = _error->empty();
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 (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;
+ 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 || ReadPinDir(*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;
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;
+}
+ /*}}}*/