]> git.saurik.com Git - apt.git/blobdiff - apt-pkg/algorithms.cc
implement autobit and pinning in EDSP solver 'apt'
[apt.git] / apt-pkg / algorithms.cc
index 8320e7ef0c432b09d1e7e726ff3e2689be0fd7a7..6d982c551c98f5cd4aa81735244dc5b869a66f1e 100644 (file)
 #include <apt-pkg/algorithms.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/configuration.h>
-#include <apt-pkg/version.h>
-#include <apt-pkg/sptr.h>
-#include <apt-pkg/acquire-item.h>
 #include <apt-pkg/edsp.h>
-#include <apt-pkg/sourcelist.h>
-#include <apt-pkg/fileutl.h>
-#include <apt-pkg/progress.h>
+#include <apt-pkg/depcache.h>
+#include <apt-pkg/packagemanager.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
 
-#include <sys/types.h>
+#include <string.h>
+#include <string>
 #include <cstdlib>
-#include <algorithm>
 #include <iostream>
-#include <stdio.h>
 
 #include <apti18n.h>
                                                                        /*}}}*/
@@ -44,7 +41,7 @@ pkgProblemResolver *pkgProblemResolver::This = 0;
 /* The legacy translations here of input Pkg iterators is obsolete, 
    this is not necessary since the pkgCaches are fully shared now. */
 pkgSimulate::pkgSimulate(pkgDepCache *Cache) : pkgPackageManager(Cache),
-                           iPolicy(Cache),
+                           d(NULL), iPolicy(Cache),
                            Sim(&Cache->GetCache(),&iPolicy),
                            group(Sim)
 {
@@ -446,19 +443,22 @@ void pkgProblemResolver::MakeScores()
          || (I->Flags & pkgCache::Flag::Important) == pkgCache::Flag::Important)
         Score += PrioEssentials;
 
-      // We transform the priority
-      if (Cache[I].InstVerIter(Cache)->Priority <= 5)
-        Score += PrioMap[Cache[I].InstVerIter(Cache)->Priority];
-      
+      pkgCache::VerIterator const InstVer = Cache[I].InstVerIter(Cache);
+      // We apply priorities only to downloadable packages, all others are prio:extra
+      // as an obsolete prio:standard package can't be that standard anymore…
+      if (InstVer->Priority <= pkgCache::State::Extra && InstVer.Downloadable() == true)
+        Score += PrioMap[InstVer->Priority];
+      else
+        Score += PrioMap[pkgCache::State::Extra];
+
       /* This helps to fix oddball problems with conflicting packages
-         on the same level. We enhance the score of installed packages 
-        if those are not obsolete
-      */
+        on the same level. We enhance the score of installed packages
+        if those are not obsolete */
       if (I->CurrentVer != 0 && Cache[I].CandidateVer != 0 && Cache[I].CandidateVerIter(Cache).Downloadable())
         Score += PrioInstalledAndNotObsolete;
 
       // propagate score points along dependencies
-      for (pkgCache::DepIterator D = Cache[I].InstVerIter(Cache).DependsList(); D.end() == false; ++D)
+      for (pkgCache::DepIterator D = InstVer.DependsList(); D.end() == false; ++D)
       {
         if (DepMap[D->Type] == 0)
            continue;
@@ -466,7 +466,7 @@ void pkgProblemResolver::MakeScores()
         if (D->Version != 0)
         {
            pkgCache::VerIterator const IV = Cache[T].InstVerIter(Cache);
-           if (IV.end() == true || D.IsSatisfied(IV) != D.IsNegative())
+           if (IV.end() == true || D.IsSatisfied(IV) == false)
               continue;
         }
         Scores[T->ID] += DepMap[D->Type];
@@ -474,8 +474,8 @@ void pkgProblemResolver::MakeScores()
    }
 
    // Copy the scores to advoid additive looping
-   SPtrArray<int> OldScores = new int[Size];
-   memcpy(OldScores,Scores,sizeof(*Scores)*Size);
+   std::unique_ptr<int[]> OldScores(new int[Size]);
+   memcpy(OldScores.get(),Scores,sizeof(*Scores)*Size);
       
    /* Now we cause 1 level of dependency inheritance, that is we add the 
       score of the packages that depend on the target Package. This 
@@ -636,15 +636,11 @@ bool pkgProblemResolver::DoUpgrade(pkgCache::PkgIterator Pkg)
 }
                                                                        /*}}}*/
 // ProblemResolver::Resolve - calls a resolver to fix the situation    /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-bool pkgProblemResolver::Resolve(bool BrokenFix)
+bool pkgProblemResolver::Resolve(bool BrokenFix, OpProgress * const Progress)
 {
    std::string const solver = _config->Find("APT::Solver", "internal");
-   if (solver != "internal") {
-      OpTextProgress Prog(*_config);
-      return EDSP::ResolveExternal(solver.c_str(), Cache, false, false, false, &Prog);
-   }
+   if (solver != "internal")
+      return EDSP::ResolveExternal(solver.c_str(), Cache, false, false, false, Progress);
    return ResolveInternal(BrokenFix);
 }
                                                                        /*}}}*/
@@ -704,17 +700,17 @@ bool pkgProblemResolver::ResolveInternal(bool const BrokenFix)
       operates from highest score to lowest. This prevents problems when
       high score packages cause the removal of lower score packages that
       would cause the removal of even lower score packages. */
-   SPtrArray<pkgCache::Package *> PList = new pkgCache::Package *[Size];
-   pkgCache::Package **PEnd = PList;
+   std::unique_ptr<pkgCache::Package *[]> PList(new pkgCache::Package *[Size]);
+   pkgCache::Package **PEnd = PList.get();
    for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I)
       *PEnd++ = I;
    This = this;
-   qsort(PList,PEnd - PList,sizeof(*PList),&ScoreSort);
+   qsort(PList.get(),PEnd - PList.get(),sizeof(PList[0]),&ScoreSort);
 
    if (_config->FindB("Debug::pkgProblemResolver::ShowScores",false) == true)
    {
       clog << "Show Scores" << endl;
-      for (pkgCache::Package **K = PList; K != PEnd; K++)
+      for (pkgCache::Package **K = PList.get(); K != PEnd; K++)
          if (Scores[(*K)->ID] != 0)
          {
            pkgCache::PkgIterator Pkg(Cache,*K);
@@ -736,7 +732,7 @@ bool pkgProblemResolver::ResolveInternal(bool const BrokenFix)
    for (int Counter = 0; Counter != 10 && Change == true; Counter++)
    {
       Change = false;
-      for (pkgCache::Package **K = PList; K != PEnd; K++)
+      for (pkgCache::Package **K = PList.get(); K != PEnd; K++)
       {
         pkgCache::PkgIterator I(Cache,*K);
 
@@ -847,8 +843,8 @@ bool pkgProblemResolver::ResolveInternal(bool const BrokenFix)
            /* Look across the version list. If there are no possible
               targets then we keep the package and bail. This is necessary
               if a package has a dep on another package that can't be found */
-           SPtrArray<pkgCache::Version *> VList = Start.AllTargets();
-           if (*VList == 0 && (Flags[I->ID] & Protected) != Protected &&
+           std::unique_ptr<pkgCache::Version *[]> VList(Start.AllTargets());
+           if (VList[0] == 0 && (Flags[I->ID] & Protected) != Protected &&
                Start.IsNegative() == false &&
                Cache[I].NowBroken() == false)
            {          
@@ -865,7 +861,7 @@ bool pkgProblemResolver::ResolveInternal(bool const BrokenFix)
            }
            
            bool Done = false;
-           for (pkgCache::Version **V = VList; *V != 0; V++)
+           for (pkgCache::Version **V = VList.get(); *V != 0; V++)
            {
               pkgCache::VerIterator Ver(Cache,*V);
               pkgCache::PkgIterator Pkg = Ver.ParentPkg();
@@ -885,8 +881,8 @@ bool pkgProblemResolver::ResolveInternal(bool const BrokenFix)
                }
 
               if (Debug == true)
-                 clog << "  Considering " << Pkg.FullName(false) << ' ' << (int)Scores[Pkg->ID] <<
-                 " as a solution to " << I.FullName(false) << ' ' << (int)Scores[I->ID] << endl;
+                 clog << "  Considering " << Pkg.FullName(false) << ' ' << Scores[Pkg->ID] <<
+                 " as a solution to " << I.FullName(false) << ' ' << Scores[I->ID] << endl;
 
               /* Try to fix the package under consideration rather than
                  fiddle with the VList package */
@@ -1138,13 +1134,11 @@ bool pkgProblemResolver::InstOrNewPolicyBroken(pkgCache::PkgIterator I)
 /* This is the work horse of the soft upgrade routine. It is very gental 
    in that it does not install or remove any packages. It is assumed that the
    system was non-broken previously. */
-bool pkgProblemResolver::ResolveByKeep()
+bool pkgProblemResolver::ResolveByKeep(OpProgress * const Progress)
 {
    std::string const solver = _config->Find("APT::Solver", "internal");
-   if (solver != "internal") {
-      OpTextProgress Prog(*_config);
-      return EDSP::ResolveExternal(solver.c_str(), Cache, true, false, false, &Prog);
-   }
+   if (solver != "internal")
+      return EDSP::ResolveExternal(solver.c_str(), Cache, true, false, false, Progress);
    return ResolveByKeepInternal();
 }
                                                                        /*}}}*/
@@ -1237,8 +1231,8 @@ bool pkgProblemResolver::ResolveByKeepInternal()
               clog << "Package " << I.FullName(false) << " " << Start << endl;
 
            // Look at all the possible provides on this package
-           SPtrArray<pkgCache::Version *> VList = Start.AllTargets();
-           for (pkgCache::Version **V = VList; *V != 0; V++)
+           std::unique_ptr<pkgCache::Version *[]> VList(Start.AllTargets());
+           for (pkgCache::Version **V = VList.get(); *V != 0; V++)
            {
               pkgCache::VerIterator Ver(Cache,*V);
               pkgCache::PkgIterator Pkg = Ver.ParentPkg();