More cache usage counters

[apt.git] / apt-pkg / pkgcachegen.cc

diff --git a/apt-pkg/pkgcachegen.cc b/apt-pkg/pkgcachegen.cc
index 7227f15ebb44e74280de50c9cc4f587ac66a67c2..7cf332b68da4ed4a192aed8f57dda3439ab0e34c 100644 (file)
--- a/apt-pkg/pkgcachegen.cc
+++ b/apt-pkg/pkgcachegen.cc
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/

-// $Id: pkgcachegen.cc,v 1.19 1998/10/15 07:00:00 jgg Exp $
+// $Id: pkgcachegen.cc,v 1.26 1998/12/14 03:39:15 jgg Exp $

 /* ######################################################################
    
    Package Cache Generator - Generator for the cache structure.
 /* ######################################################################
    
    Package Cache Generator - Generator for the cache structure.


@@ -94,7 +94,7 @@ bool pkgCacheGenerator::MergeList(ListParser &List)
       }
 
       pkgCache::VerIterator Ver = Pkg.VersionList();
       }
 
       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++)
       {
       int Res = 1;
       for (; Ver.end() == false; Last = &Ver->NextVer, Ver++)
       {


@@ -176,12 +176,20 @@ bool pkgCacheGenerator::NewFileVer(pkgCache::VerIterator &Ver,
    
    pkgCache::VerFileIterator VF(Cache,Cache.VerFileP + VerFile);
    VF->File = CurrentFile - Cache.PkgFileP;
    
    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;
    VF->Offset = List.Offset();
    VF->Size = List.Size();
    if (Cache.HeaderP->MaxVerFileSize < VF->Size)
       Cache.HeaderP->MaxVerFileSize = VF->Size;

+   Cache.HeaderP->VerFileCount++;
+   

    return true;
 }
                                                                        /*}}}*/
    return true;
 }
                                                                        /*}}}*/


@@ -247,19 +255,28 @@ bool pkgCacheGenerator::ListParser::NewDepends(pkgCache::VerIterator Ver,
         if ((Dep->Version = WriteString(Version)) == 0)
            return false;
    }
         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 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 */
+   static pkgCache::VerIterator OldVer(Cache);
+   static __apt_ptrloc *OldLast;
+   if (OldVer != Ver)
+   {
+      OldLast = &Ver->DependsList;
+      for (pkgCache::DepIterator D = Ver.DependsList(); D.end() == false; D++)
+        OldLast = &D->NextDepends;
+      OldVer = Ver;
+   }

    
    

+   Dep->NextDepends = *OldLast;
+   *OldLast = Dep.Index();
+   OldLast = &Dep->NextDepends;
+

    return true;
 }
                                                                        /*}}}*/
    return true;
 }
                                                                        /*}}}*/


@@ -280,6 +297,7 @@ bool pkgCacheGenerator::ListParser::NewProvides(pkgCache::VerIterator Ver,
    unsigned long Provides = Owner->Map.Allocate(sizeof(pkgCache::Provides));
    if (Provides == 0)
       return false;
    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);
    
    // Fill it in
    pkgCache::PrvIterator Prv(Cache,Cache.ProvideP + Provides,Cache.PkgP);


@@ -345,7 +363,7 @@ unsigned long pkgCacheGenerator::WriteUniqString(const char *S,
    // Search for an insertion point
    pkgCache::StringItem *I = Cache.StringItemP + Cache.HeaderP->StringList;
    int Res = 1;
    // 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)
    {
    for (; I != Cache.StringItemP; Last = &I->NextItem, 
         I = Cache.StringItemP + I->NextItem)
    {


@@ -384,7 +402,7 @@ bool pkgSrcCacheCheck(pkgSourceList &List)
    if (_error->PendingError() == true)
       return false;
 
    if (_error->PendingError() == true)
       return false;
 

-   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
    string ListDir = _config->FindDir("Dir::State::lists");
 
    // Count the number of missing files


@@ -489,9 +507,9 @@ bool pkgPkgCacheCheck(string CacheFile)
 
    // Status files that must be in the cache
    string Status[3];
 
    // Status files that must be in the cache
    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");

    
    // Cheack each file
    for (pkgCache::PkgFileIterator F(Cache); F.end() == false; F++)
    
    // Cheack each file
    for (pkgCache::PkgFileIterator F(Cache); F.end() == false; F++)


@@ -521,9 +539,9 @@ bool pkgPkgCacheCheck(string CacheFile)
 static bool pkgAddSourcesSize(unsigned long &TotalSize)
 {
    // Grab the file names
 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 sizes
    struct stat Buf;


@@ -546,9 +564,9 @@ static bool pkgMergeStatus(OpProgress &Progress,pkgCacheGenerator &Gen,
 {
    // Grab the file names   
    string Status[3];
 {
    // 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++)
    {
    
    for (int I = 0; I != 3; I++)
    {


@@ -584,16 +602,15 @@ bool pkgMakeStatusCache(pkgSourceList &List,OpProgress &Progress)
 {
    Progress.OverallProgress(0,1,1,"Reading Package Lists");
    
 {
    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 = SrcOk && pkgPkgCacheCheck(CacheFile);
    
    // Rebuild the source and package caches   
    if (SrcOk == false)
    {      
    bool SrcOk = pkgSrcCacheCheck(List);
    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");
       string ListDir = _config->FindDir("Dir::State::lists");

-      

       FileFd SCacheF(SCacheFile,FileFd::WriteEmpty);
       FileFd CacheF(CacheFile,FileFd::WriteEmpty);
       DynamicMMap Map(CacheF,MMap::Public);
       FileFd SCacheF(SCacheFile,FileFd::WriteEmpty);
       FileFd CacheF(CacheFile,FileFd::WriteEmpty);
       DynamicMMap Map(CacheF,MMap::Public);


@@ -621,8 +638,8 @@ bool pkgMakeStatusCache(pkgSourceList &List,OpProgress &Progress)
       for (pkgSourceList::const_iterator I = List.begin(); I != List.end(); I++)
       {
         string File = ListDir + URItoFileName(I->PackagesURI());
       for (pkgSourceList::const_iterator I = List.begin(); I != List.end(); I++)
       {
         string File = ListDir + URItoFileName(I->PackagesURI());

-
-        if (stat(File.c_str(),&Buf) != 0)
+        
+        if (FileExists(File) == false)

            continue;
         
         FileFd Pkg(File,FileFd::ReadOnly);
            continue;
         
         FileFd Pkg(File,FileFd::ReadOnly);


@@ -638,6 +655,16 @@ bool pkgMakeStatusCache(pkgSourceList &List,OpProgress &Progress)
         
         if (Gen.MergeList(Parser) == false)
            return _error->Error("Problem with MergeList %s",File.c_str());
         
         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
       }               
       
       // Write the src cache


@@ -657,7 +684,7 @@ bool pkgMakeStatusCache(pkgSourceList &List,OpProgress &Progress)
    }
    
    // We use the source cache to generate the package 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);
 
    FileFd SCacheF(SCacheFile,FileFd::ReadOnly);
    FileFd CacheF(CacheFile,FileFd::WriteEmpty);