// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: pkgcachegen.cc,v 1.15 1998/09/07 05:28:37 jgg Exp $
+// $Id: pkgcachegen.cc,v 1.29 1999/02/23 06:46:24 jgg Exp $
/* ######################################################################
Package Cache Generator - Generator for the cache structure.
#include <apt-pkg/sourcelist.h>
#include <apt-pkg/configuration.h>
#include <apt-pkg/deblistparser.h>
-
-#include <strutl.h>
+#include <apt-pkg/strutl.h>
+#include <system.h>
#include <sys/stat.h>
#include <unistd.h>
Cache.HeaderP->Dirty = true;
Map.Sync(0,sizeof(pkgCache::Header));
Map.UsePools(*Cache.HeaderP->Pools,sizeof(Cache.HeaderP->Pools)/sizeof(Cache.HeaderP->Pools[0]));
+ memset(UniqHash,0,sizeof(UniqHash));
}
/*}}}*/
// CacheGenerator::~pkgCacheGenerator - Destructor /*{{{*/
{
List.Owner = this;
- int Counter = 0;
+ unsigned int Counter = 0;
while (List.Step() == true)
{
// Get a pointer to the package structure
string PackageName = List.Package();
+ Pkgs++;
+ if (PackageName.empty() == true)
+ return false;
+
pkgCache::PkgIterator Pkg;
if (NewPackage(Pkg,PackageName) == false)
return _error->Error("Error occured while processing %s (NewPackage)",PackageName.c_str());
}
pkgCache::VerIterator Ver = Pkg.VersionList();
- unsigned long *Last = &Pkg->VersionList;
+ __apt_ptrloc *Last = &Pkg->VersionList;
int Res = 1;
for (; Ver.end() == false; Last = &Ver->NextVer, Ver++)
{
+ Cmps++;
Res = pkgVersionCompare(Version.begin(),Version.end(),Ver.VerStr(),
Ver.VerStr() + strlen(Ver.VerStr()));
if (Res >= 0)
}
// Add a new version
+ Vers++;
*Last = NewVersion(Ver,Version,*Last);
Ver->ParentPkg = Pkg.Index();
if (List.NewVersion(Ver) == false)
pkgCache::VerFileIterator VF(Cache,Cache.VerFileP + VerFile);
VF->File = CurrentFile - Cache.PkgFileP;
- VF->NextFile = Ver->FileList;
- Ver->FileList = VF.Index();
+
+ // Link it to the end of the list
+ __apt_ptrloc *Last = &Ver->FileList;
+ for (pkgCache::VerFileIterator V = Ver.FileList(); V.end() == false; V++)
+ Last = &V->NextFile;
+ VF->NextFile = *Last;
+ *Last = VF.Index();
+
VF->Offset = List.Offset();
VF->Size = List.Size();
if (Cache.HeaderP->MaxVerFileSize < VF->Size)
Cache.HeaderP->MaxVerFileSize = VF->Size;
+ Cache.HeaderP->VerFileCount++;
+
return true;
}
/*}}}*/
// Probe the reverse dependency list for a version string that matches
if (Version.empty() == false)
{
- for (pkgCache::DepIterator I = Pkg.RevDependsList(); I.end() == false; I++)
+/* for (pkgCache::DepIterator I = Pkg.RevDependsList(); I.end() == false; I++, Hit++)
if (I->Version != 0 && I.TargetVer() == Version)
- Dep->Version = I->Version;
+ Dep->Version = I->Version;*/
if (Dep->Version == 0)
if ((Dep->Version = WriteString(Version)) == 0)
return false;
}
-
+
// Link it to the package
Dep->Package = Pkg.Index();
Dep->NextRevDepends = Pkg->RevDepends;
Pkg->RevDepends = Dep.Index();
- // Link it to the version (at the end of the list)
- unsigned long *Last = &Ver->DependsList;
- for (pkgCache::DepIterator D = Ver.DependsList(); D.end() == false; D++)
- Last = &D->NextDepends;
- Dep->NextDepends = *Last;
- *Last = Dep.Index();
+ /* Link it to the version (at the end of the list)
+ Caching the old end point speeds up generation substantially */
+ if (OldDepVer != Ver)
+ {
+ OldDepLast = &Ver->DependsList;
+ for (pkgCache::DepIterator D = Ver.DependsList(); D.end() == false; D++)
+ OldDepLast = &D->NextDepends;
+ OldDepVer = Ver;
+ }
+ Dep->NextDepends = *OldDepLast;
+ *OldDepLast = Dep.Index();
+ OldDepLast = &Dep->NextDepends;
+
return true;
}
/*}}}*/
unsigned long Provides = Owner->Map.Allocate(sizeof(pkgCache::Provides));
if (Provides == 0)
return false;
+ Cache.HeaderP->ProvidesCount++;
// Fill it in
pkgCache::PrvIterator Prv(Cache,Cache.ProvideP + Provides,Cache.PkgP);
CurrentFile->mtime = Buf.st_mtime;
CurrentFile->NextFile = Cache.HeaderP->FileList;
CurrentFile->Flags = Flags;
+ CurrentFile->ID = Cache.HeaderP->PackageFileCount;
PkgFileName = File;
Cache.HeaderP->FileList = CurrentFile - Cache.PkgFileP;
Cache.HeaderP->PackageFileCount++;
unsigned long pkgCacheGenerator::WriteUniqString(const char *S,
unsigned int Size)
{
+ /* We use a very small transient hash table here, this speeds up generation
+ by a fair amount on slower machines */
+ pkgCache::StringItem *&Bucket = UniqHash[(S[0]*5 + S[1]) % _count(UniqHash)];
+ if (Bucket != 0 &&
+ stringcmp(S,S+Size,Cache.StrP + Bucket->String) == 0)
+ return Bucket->String;
+
// Search for an insertion point
pkgCache::StringItem *I = Cache.StringItemP + Cache.HeaderP->StringList;
int Res = 1;
- unsigned long *Last = &Cache.HeaderP->StringList;
+ __apt_ptrloc *Last = &Cache.HeaderP->StringList;
for (; I != Cache.StringItemP; Last = &I->NextItem,
I = Cache.StringItemP + I->NextItem)
{
// Match
if (Res == 0)
+ {
+ Bucket = I;
return I->String;
+ }
// Get a structure
unsigned long Item = Map.Allocate(sizeof(pkgCache::StringItem));
if (ItemP->String == 0)
return 0;
+ Bucket = ItemP;
return ItemP->String;
}
/*}}}*/
{
if (_error->PendingError() == true)
return false;
-
- // Open the source package cache
- string CacheFile = _config->FindDir("Dir::Cache::srcpkgcache");
+
+ string CacheFile = _config->FindFile("Dir::Cache::srcpkgcache");
string ListDir = _config->FindDir("Dir::State::lists");
+
+ // Count the number of missing files
+ int Missing = 0;
+ for (pkgSourceList::const_iterator I = List.begin(); I != List.end(); I++)
+ {
+ string File = ListDir + URItoFileName(I->PackagesURI());
+ struct stat Buf;
+ if (stat(File.c_str(),&Buf) != 0)
+ {
+ _error->WarningE("stat","Couldn't stat source package list '%s' (%s)",
+ I->PackagesInfo().c_str(),File.c_str());
+ Missing++;
+ }
+ }
+
+ // Open the source package cache
if (FileExists(CacheFile) == false)
return false;
}
MMap Map(CacheF,MMap::Public | MMap::ReadOnly);
- if (_error->PendingError() == true)
+ if (_error->PendingError() == true || Map.Size() == 0)
{
_error->Discard();
return false;
_error->Discard();
return false;
}
-
+
// They are certianly out of sync
- if (Cache.Head().PackageFileCount != List.size())
+ if (Cache.Head().PackageFileCount != List.size() - Missing)
return false;
for (pkgCache::PkgFileIterator F(Cache); F.end() == false; F++)
}
MMap Map(CacheF,MMap::Public | MMap::ReadOnly);
- if (_error->PendingError() == true)
+ if (_error->PendingError() == true || Map.Size() == 0)
{
_error->Discard();
return false;
return false;
}
+ // Status files that must be in the cache
+ string Status[3];
+ Status[0] = _config->FindFile("Dir::State::xstatus");
+ Status[1]= _config->FindFile("Dir::State::userstatus");
+ Status[2] = _config->FindFile("Dir::State::status");
+
// Cheack each file
for (pkgCache::PkgFileIterator F(Cache); F.end() == false; F++)
+ {
if (F.IsOk() == false)
return false;
+
+ // See if this is one of the status files
+ for (int I = 0; I != 3; I++)
+ if (F.FileName() == Status[I])
+ Status[I] = string();
+ }
+
+ // Make sure all the status files are loaded.
+ for (int I = 0; I != 3; I++)
+ {
+ if (Status[I].empty() == false && FileExists(Status[I]) == true)
+ return false;
+ }
+
return true;
}
/*}}}*/
static bool pkgAddSourcesSize(unsigned long &TotalSize)
{
// Grab the file names
- string xstatus = _config->FindDir("Dir::State::xstatus");
- string userstatus = _config->FindDir("Dir::State::userstatus");
- string status = _config->FindDir("Dir::State::status");
+ string xstatus = _config->FindFile("Dir::State::xstatus");
+ string userstatus = _config->FindFile("Dir::State::userstatus");
+ string status = _config->FindFile("Dir::State::status");
// Grab the sizes
struct stat Buf;
{
// Grab the file names
string Status[3];
- Status[0] = _config->FindDir("Dir::State::xstatus");
- Status[1]= _config->FindDir("Dir::State::userstatus");
- Status[2] = _config->FindDir("Dir::State::status");
+ Status[0] = _config->FindFile("Dir::State::xstatus");
+ Status[1]= _config->FindFile("Dir::State::userstatus");
+ Status[2] = _config->FindFile("Dir::State::status");
for (int I = 0; I != 3; I++)
{
{
Progress.OverallProgress(0,1,1,"Reading Package Lists");
- string CacheFile = _config->FindDir("Dir::Cache::pkgcache");
+ string CacheFile = _config->FindFile("Dir::Cache::pkgcache");
bool SrcOk = pkgSrcCacheCheck(List);
- bool PkgOk = pkgPkgCacheCheck(CacheFile);
+ bool PkgOk = SrcOk && pkgPkgCacheCheck(CacheFile);
// Rebuild the source and package caches
if (SrcOk == false)
{
- string SCacheFile = _config->FindDir("Dir::Cache::srcpkgcache");
+ string SCacheFile = _config->FindFile("Dir::Cache::srcpkgcache");
string ListDir = _config->FindDir("Dir::State::lists");
-
FileFd SCacheF(SCacheFile,FileFd::WriteEmpty);
FileFd CacheF(CacheFile,FileFd::WriteEmpty);
DynamicMMap Map(CacheF,MMap::Public);
{
string File = ListDir + URItoFileName(I->PackagesURI());
if (stat(File.c_str(),&Buf) != 0)
- return _error->Errno("stat","Couldn't stat source package list %s",File.c_str());
+ continue;
TotalSize += Buf.st_size;
}
for (pkgSourceList::const_iterator I = List.begin(); I != List.end(); I++)
{
string File = ListDir + URItoFileName(I->PackagesURI());
+
+ if (FileExists(File) == false)
+ continue;
+
FileFd Pkg(File,FileFd::ReadOnly);
debListParser Parser(Pkg);
Progress.OverallProgress(CurrentSize,TotalSize,Pkg.Size(),"Reading Package Lists");
if (Gen.MergeList(Parser) == false)
return _error->Error("Problem with MergeList %s",File.c_str());
+
+ // Check the release file
+ string RFile = ListDir + URItoFileName(I->ReleaseURI());
+ if (FileExists(RFile) == true)
+ {
+ FileFd Rel(RFile,FileFd::ReadOnly);
+ if (_error->PendingError() == true)
+ return false;
+ Parser.LoadReleaseInfo(Gen.GetCurFile(),Rel);
+ }
}
// Write the src cache
}
// We use the source cache to generate the package cache
- string SCacheFile = _config->FindDir("Dir::Cache::srcpkgcache");
+ string SCacheFile = _config->FindFile("Dir::Cache::srcpkgcache");
FileFd SCacheF(SCacheFile,FileFd::ReadOnly);
FileFd CacheF(CacheFile,FileFd::WriteEmpty);
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