[cmdline/apt-get.cc]

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

diff --git a/apt-pkg/pkgcachegen.cc b/apt-pkg/pkgcachegen.cc
index de5ba5ea60326916a6e287e75dd8dff453aa6389..68180c7027ae5253716f69efdbe352ec4e1675a2 100644 (file)
--- a/apt-pkg/pkgcachegen.cc
+++ b/apt-pkg/pkgcachegen.cc
@@ -10,10 +10,6 @@
    ##################################################################### */
                                                                        /*}}}*/
 // Include Files                                                       /*{{{*/
    ##################################################################### */
                                                                        /*}}}*/
 // Include Files                                                       /*{{{*/

-#ifdef __GNUG__
-#pragma implementation "apt-pkg/pkgcachegen.h"
-#endif
-

 #define APT_COMPATIBILITY 986
 
 #include <apt-pkg/pkgcachegen.h>
 #define APT_COMPATIBILITY 986
 
 #include <apt-pkg/pkgcachegen.h>


@@ -26,6 +22,8 @@
 #include <apt-pkg/sptr.h>
 #include <apt-pkg/pkgsystem.h>
 
 #include <apt-pkg/sptr.h>
 #include <apt-pkg/pkgsystem.h>
 

+#include <apt-pkg/tagfile.h>
+

 #include <apti18n.h>
 
 #include <vector>
 #include <apti18n.h>
 
 #include <vector>


@@ -55,14 +53,16 @@ pkgCacheGenerator::pkgCacheGenerator(DynamicMMap *pMap,OpProgress *Prog) :
    {
       // Setup the map interface..
       Cache.HeaderP = (pkgCache::Header *)Map.Data();
    {
       // Setup the map interface..
       Cache.HeaderP = (pkgCache::Header *)Map.Data();

-      Map.RawAllocate(sizeof(pkgCache::Header));
+      if (Map.RawAllocate(sizeof(pkgCache::Header)) == 0 && _error->PendingError() == true)
+        return;
+

       Map.UsePools(*Cache.HeaderP->Pools,sizeof(Cache.HeaderP->Pools)/sizeof(Cache.HeaderP->Pools[0]));
       Map.UsePools(*Cache.HeaderP->Pools,sizeof(Cache.HeaderP->Pools)/sizeof(Cache.HeaderP->Pools[0]));

-      
+

       // Starting header
       *Cache.HeaderP = pkgCache::Header();
       Cache.HeaderP->VerSysName = Map.WriteString(_system->VS->Label);
       Cache.HeaderP->Architecture = Map.WriteString(_config->Find("APT::Architecture"));
       // Starting header
       *Cache.HeaderP = pkgCache::Header();
       Cache.HeaderP->VerSysName = Map.WriteString(_system->VS->Label);
       Cache.HeaderP->Architecture = Map.WriteString(_config->Find("APT::Architecture"));

-      Cache.ReMap(); 
+      Cache.ReMap();

    }
    else
    {
    }
    else
    {


@@ -125,16 +125,57 @@ bool pkgCacheGenerator::MergeList(ListParser &List,
       string Version = List.Version();
       if (Version.empty() == true)
       {
       string Version = List.Version();
       if (Version.empty() == true)
       {

+        // we first process the package, then the descriptions
+        // (this has the bonus that we get MMap error when we run out
+        //  of MMap space)

         if (List.UsePackage(Pkg,pkgCache::VerIterator(Cache)) == false)
            return _error->Error(_("Error occurred while processing %s (UsePackage1)"),
                                 PackageName.c_str());
         if (List.UsePackage(Pkg,pkgCache::VerIterator(Cache)) == false)
            return _error->Error(_("Error occurred while processing %s (UsePackage1)"),
                                 PackageName.c_str());

+
+        // Find the right version to write the description
+        MD5SumValue CurMd5 = List.Description_md5();
+        pkgCache::VerIterator Ver = Pkg.VersionList();
+        map_ptrloc *LastVer = &Pkg->VersionList;
+
+        for (; Ver.end() == false; LastVer = &Ver->NextVer, Ver++)
+        {
+           pkgCache::DescIterator Desc = Ver.DescriptionList();
+           map_ptrloc *LastDesc = &Ver->DescriptionList;
+           bool duplicate=false;
+
+           // don't add a new description if we have one for the given
+           // md5 && language
+           for ( ; Desc.end() == false; Desc++)
+              if (MD5SumValue(Desc.md5()) == CurMd5 && 
+                  Desc.LanguageCode() == List.DescriptionLanguage())
+                 duplicate=true;
+           if(duplicate)
+              continue;
+           
+           for (Desc = Ver.DescriptionList();
+                Desc.end() == false;
+                LastDesc = &Desc->NextDesc, Desc++)
+           {
+              if (MD5SumValue(Desc.md5()) == CurMd5) 
+               {
+                 // Add new description
+                 *LastDesc = NewDescription(Desc, List.DescriptionLanguage(), CurMd5, *LastDesc);
+                 Desc->ParentPkg = Pkg.Index();
+                 
+                 if ((*LastDesc == 0 && _error->PendingError()) || NewFileDesc(Desc,List) == false)
+                    return _error->Error(_("Error occurred while processing %s (NewFileDesc1)"),PackageName.c_str());
+                 break;
+              }
+           }
+        }
+

         continue;
       }
 
       pkgCache::VerIterator Ver = Pkg.VersionList();
         continue;
       }
 
       pkgCache::VerIterator Ver = Pkg.VersionList();

-      map_ptrloc *Last = &Pkg->VersionList;
+      map_ptrloc *LastVer = &Pkg->VersionList;

       int Res = 1;
       int Res = 1;

-      for (; Ver.end() == false; Last = &Ver->NextVer, Ver++)
+      for (; Ver.end() == false; LastVer = &Ver->NextVer, Ver++)

       {
         Res = Cache.VS->CmpVersion(Version,Ver.VerStr());
         if (Res >= 0)
       {
         Res = Cache.VS->CmpVersion(Version,Ver.VerStr());
         if (Res >= 0)


@@ -168,7 +209,7 @@ bool pkgCacheGenerator::MergeList(ListParser &List,
       // Skip to the end of the same version set.
       if (Res == 0)
       {
       // Skip to the end of the same version set.
       if (Res == 0)
       {

-        for (; Ver.end() == false; Last = &Ver->NextVer, Ver++)
+        for (; Ver.end() == false; LastVer = &Ver->NextVer, Ver++)

         {
            Res = Cache.VS->CmpVersion(Version,Ver.VerStr());
            if (Res != 0)
         {
            Res = Cache.VS->CmpVersion(Version,Ver.VerStr());
            if (Res != 0)


@@ -177,10 +218,11 @@ bool pkgCacheGenerator::MergeList(ListParser &List,
       }
 
       // Add a new version
       }
 
       // Add a new version

-      *Last = NewVersion(Ver,Version,*Last);
+      *LastVer = NewVersion(Ver,Version,*LastVer);

       Ver->ParentPkg = Pkg.Index();
       Ver->Hash = Hash;
       Ver->ParentPkg = Pkg.Index();
       Ver->Hash = Hash;

-      if (List.NewVersion(Ver) == false)
+
+      if ((*LastVer == 0 && _error->PendingError()) || List.NewVersion(Ver) == false)

         return _error->Error(_("Error occurred while processing %s (NewVersion1)"),
                              PackageName.c_str());
 
         return _error->Error(_("Error occurred while processing %s (NewVersion1)"),
                              PackageName.c_str());
 


@@ -199,6 +241,21 @@ bool pkgCacheGenerator::MergeList(ListParser &List,
         FoundFileDeps |= List.HasFileDeps();
         return true;
       }      
         FoundFileDeps |= List.HasFileDeps();
         return true;
       }      

+
+      /* Record the Description data. Description data always exist in
+        Packages and Translation-* files. */
+      pkgCache::DescIterator Desc = Ver.DescriptionList();
+      map_ptrloc *LastDesc = &Ver->DescriptionList;
+      
+      // Skip to the end of description set
+      for (; Desc.end() == false; LastDesc = &Desc->NextDesc, Desc++);
+
+      // Add new description
+      *LastDesc = NewDescription(Desc, List.DescriptionLanguage(), List.Description_md5(), *LastDesc);
+      Desc->ParentPkg = Pkg.Index();
+
+      if ((*LastDesc == 0 && _error->PendingError()) || NewFileDesc(Desc,List) == false)
+        return _error->Error(_("Error occurred while processing %s (NewFileDesc2)"),PackageName.c_str());

    }
 
    FoundFileDeps |= List.HasFileDeps();
    }
 
    FoundFileDeps |= List.HasFileDeps();


@@ -209,6 +266,9 @@ bool pkgCacheGenerator::MergeList(ListParser &List,
    if (Cache.HeaderP->VersionCount >= (1ULL<<(sizeof(Cache.VerP->ID)*8))-1)
       return _error->Error(_("Wow, you exceeded the number of versions "
                             "this APT is capable of."));
    if (Cache.HeaderP->VersionCount >= (1ULL<<(sizeof(Cache.VerP->ID)*8))-1)
       return _error->Error(_("Wow, you exceeded the number of versions "
                             "this APT is capable of."));

+   if (Cache.HeaderP->DescriptionCount >= (1ULL<<(sizeof(Cache.DescP->ID)*8))-1)
+      return _error->Error(_("Wow, you exceeded the number of descriptions "
+                            "this APT is capable of."));

    if (Cache.HeaderP->DependsCount >= (1ULL<<(sizeof(Cache.DepP->ID)*8))-1ULL)
       return _error->Error(_("Wow, you exceeded the number of dependencies "
                             "this APT is capable of."));
    if (Cache.HeaderP->DependsCount >= (1ULL<<(sizeof(Cache.DepP->ID)*8))-1ULL)
       return _error->Error(_("Wow, you exceeded the number of dependencies "
                             "this APT is capable of."));


@@ -271,7 +331,7 @@ bool pkgCacheGenerator::NewPackage(pkgCache::PkgIterator &Pkg,const string &Name
    Pkg = Cache.FindPkg(Name);
    if (Pkg.end() == false)
       return true;
    Pkg = Cache.FindPkg(Name);
    if (Pkg.end() == false)
       return true;

-       
+

    // Get a structure
    unsigned long Package = Map.Allocate(sizeof(pkgCache::Package));
    if (Package == 0)
    // Get a structure
    unsigned long Package = Map.Allocate(sizeof(pkgCache::Package));
    if (Package == 0)


@@ -349,6 +409,65 @@ unsigned long pkgCacheGenerator::NewVersion(pkgCache::VerIterator &Ver,
    return Version;
 }
                                                                        /*}}}*/
    return Version;
 }
                                                                        /*}}}*/

+// CacheGenerator::NewFileDesc - Create a new File<->Desc association  /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool pkgCacheGenerator::NewFileDesc(pkgCache::DescIterator &Desc,
+                                  ListParser &List)
+{
+   if (CurrentFile == 0)
+      return true;
+   
+   // Get a structure
+   unsigned long DescFile = Map.Allocate(sizeof(pkgCache::DescFile));
+   if (DescFile == 0)
+      return false;
+
+   pkgCache::DescFileIterator DF(Cache,Cache.DescFileP + DescFile);
+   DF->File = CurrentFile - Cache.PkgFileP;
+
+   // Link it to the end of the list
+   map_ptrloc *Last = &Desc->FileList;
+   for (pkgCache::DescFileIterator D = Desc.FileList(); D.end() == false; D++)
+      Last = &D->NextFile;
+
+   DF->NextFile = *Last;
+   *Last = DF.Index();
+   
+   DF->Offset = List.Offset();
+   DF->Size = List.Size();
+   if (Cache.HeaderP->MaxDescFileSize < DF->Size)
+      Cache.HeaderP->MaxDescFileSize = DF->Size;
+   Cache.HeaderP->DescFileCount++;
+   
+   return true;
+}
+                                                                       /*}}}*/
+// CacheGenerator::NewDescription - Create a new Description           /*{{{*/
+// ---------------------------------------------------------------------
+/* This puts a description structure in the linked list */
+map_ptrloc pkgCacheGenerator::NewDescription(pkgCache::DescIterator &Desc,
+                                           const string &Lang, 
+                                            const MD5SumValue &md5sum,
+                                           map_ptrloc Next)
+{
+   // Get a structure
+   map_ptrloc Description = Map.Allocate(sizeof(pkgCache::Description));
+   if (Description == 0)
+      return 0;
+
+   // Fill it in
+   Desc = pkgCache::DescIterator(Cache,Cache.DescP + Description);
+   Desc->NextDesc = Next;
+   Desc->ID = Cache.HeaderP->DescriptionCount++;
+   Desc->language_code = Map.WriteString(Lang);
+   Desc->md5sum = Map.WriteString(md5sum.Value());
+   if (Desc->language_code == 0 || Desc->md5sum == 0)
+      return 0;
+
+   return Description;
+}
+                                                                       /*}}}*/

 // ListParser::NewDepends - Create a dependency element                        /*{{{*/
 // ---------------------------------------------------------------------
 /* This creates a dependency element in the tree. It is linked to the
 // ListParser::NewDepends - Create a dependency element                        /*{{{*/
 // ---------------------------------------------------------------------
 /* This creates a dependency element in the tree. It is linked to the


@@ -537,7 +656,6 @@ unsigned long pkgCacheGenerator::WriteUniqString(const char *S,
    return ItemP->String;
 }
                                                                        /*}}}*/
    return ItemP->String;
 }
                                                                        /*}}}*/

-

 // CheckValidity - Check that a cache is up-to-date                    /*{{{*/
 // ---------------------------------------------------------------------
 /* This just verifies that each file in the list of index files exists,
 // CheckValidity - Check that a cache is up-to-date                    /*{{{*/
 // ---------------------------------------------------------------------
 /* This just verifies that each file in the list of index files exists,


@@ -552,7 +670,7 @@ static bool CheckValidity(const string &CacheFile, FileIterator Start,
    
    // Map it
    FileFd CacheF(CacheFile,FileFd::ReadOnly);
    
    // Map it
    FileFd CacheF(CacheFile,FileFd::ReadOnly);

-   SPtr<MMap> Map = new MMap(CacheF,MMap::Public | MMap::ReadOnly);
+   SPtr<MMap> Map = new MMap(CacheF,0);

    pkgCache Cache(Map);
    if (_error->PendingError() == true || Map->Size() == 0)
    {
    pkgCache Cache(Map);
    if (_error->PendingError() == true || Map->Size() == 0)
    {


@@ -582,7 +700,7 @@ static bool CheckValidity(const string &CacheFile, FileIterator Start,
       pkgCache::PkgFileIterator File = (*Start)->FindInCache(Cache);
       if (File.end() == true)
         return false;
       pkgCache::PkgFileIterator File = (*Start)->FindInCache(Cache);
       if (File.end() == true)
         return false;

-      
+

       Visited[File->ID] = true;
    }
    
       Visited[File->ID] = true;
    }
    


@@ -678,7 +796,7 @@ static bool BuildCache(pkgCacheGenerator &Gen,
 bool pkgMakeStatusCache(pkgSourceList &List,OpProgress &Progress,
                        MMap **OutMap,bool AllowMem)
 {
 bool pkgMakeStatusCache(pkgSourceList &List,OpProgress &Progress,
                        MMap **OutMap,bool AllowMem)
 {

-   unsigned long MapSize = _config->FindI("APT::Cache-Limit",12*1024*1024);
+   unsigned long MapSize = _config->FindI("APT::Cache-Limit",24*1024*1024);

    
    vector<pkgIndexFile *> Files;
    for (vector<metaIndex *>::const_iterator i = List.begin();
    
    vector<pkgIndexFile *> Files;
    for (vector<metaIndex *>::const_iterator i = List.begin();


@@ -695,7 +813,7 @@ bool pkgMakeStatusCache(pkgSourceList &List,OpProgress &Progress,
    unsigned long EndOfSource = Files.size();
    if (_system->AddStatusFiles(Files) == false)
       return false;
    unsigned long EndOfSource = Files.size();
    if (_system->AddStatusFiles(Files) == false)
       return false;

-   
+

    // Decide if we can write to the files..
    string CacheFile = _config->FindFile("Dir::Cache::pkgcache");
    string SrcCacheFile = _config->FindFile("Dir::Cache::srcpkgcache");
    // Decide if we can write to the files..
    string CacheFile = _config->FindFile("Dir::Cache::pkgcache");
    string SrcCacheFile = _config->FindFile("Dir::Cache::srcpkgcache");


@@ -736,7 +854,7 @@ bool pkgMakeStatusCache(pkgSourceList &List,OpProgress &Progress,
    else
    {
       // Just build it in memory..
    else
    {
       // Just build it in memory..

-      Map = new DynamicMMap(MMap::Public,MapSize);
+      Map = new DynamicMMap(0,MapSize);

    }
    
    // Lets try the source cache.
    }
    
    // Lets try the source cache.


@@ -747,8 +865,10 @@ bool pkgMakeStatusCache(pkgSourceList &List,OpProgress &Progress,
    {
       // Preload the map with the source cache
       FileFd SCacheF(SrcCacheFile,FileFd::ReadOnly);
    {
       // Preload the map with the source cache
       FileFd SCacheF(SrcCacheFile,FileFd::ReadOnly);

-      if (SCacheF.Read((unsigned char *)Map->Data() + Map->RawAllocate(SCacheF.Size()),
-                      SCacheF.Size()) == false)
+      unsigned long alloc = Map->RawAllocate(SCacheF.Size());
+      if ((alloc == 0 && _error->PendingError())
+               || SCacheF.Read((unsigned char *)Map->Data() + alloc,
+                               SCacheF.Size()) == false)

         return false;
 
       TotalSize = ComputeSize(Files.begin()+EndOfSource,Files.end());
         return false;
 
       TotalSize = ComputeSize(Files.begin()+EndOfSource,Files.end());


@@ -809,7 +929,7 @@ bool pkgMakeStatusCache(pkgSourceList &List,OpProgress &Progress,
       if (CacheF != 0)
       {
         delete Map.UnGuard();
       if (CacheF != 0)
       {
         delete Map.UnGuard();

-        *OutMap = new MMap(*CacheF,MMap::Public | MMap::ReadOnly);
+        *OutMap = new MMap(*CacheF,0);

       }
       else
       {
       }
       else
       {


@@ -825,14 +945,13 @@ bool pkgMakeStatusCache(pkgSourceList &List,OpProgress &Progress,
 /* */
 bool pkgMakeOnlyStatusCache(OpProgress &Progress,DynamicMMap **OutMap)
 {
 /* */
 bool pkgMakeOnlyStatusCache(OpProgress &Progress,DynamicMMap **OutMap)
 {

-   unsigned long MapSize = _config->FindI("APT::Cache-Limit",8*1024*1024);
+   unsigned long MapSize = _config->FindI("APT::Cache-Limit",20*1024*1024);

    vector<pkgIndexFile *> Files;
    unsigned long EndOfSource = Files.size();
    if (_system->AddStatusFiles(Files) == false)
       return false;
    
    vector<pkgIndexFile *> Files;
    unsigned long EndOfSource = Files.size();
    if (_system->AddStatusFiles(Files) == false)
       return false;
    

-   SPtr<DynamicMMap> Map;   
-   Map = new DynamicMMap(MMap::Public,MapSize);
+   SPtr<DynamicMMap> Map = new DynamicMMap(0,MapSize);

    unsigned long CurrentSize = 0;
    unsigned long TotalSize = 0;
    
    unsigned long CurrentSize = 0;
    unsigned long TotalSize = 0;