#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>
/*}}}*/
using namespace std;
-pkgProblemResolver *pkgProblemResolver::This = 0;
-
// Simulate::Simulate - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* The legacy translations here of input Pkg iterators is obsolete,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)
{
// ProblemResolver::ScoreSort - Sort the list by score /*{{{*/
// ---------------------------------------------------------------------
/* */
-int pkgProblemResolver::ScoreSort(const void *a,const void *b)
+int pkgProblemResolver::ScoreSort(Package const *A,Package const *B)
{
- Package const **A = (Package const **)a;
- Package const **B = (Package const **)b;
- if (This->Scores[(*A)->ID] > This->Scores[(*B)->ID])
+ if (Scores[A->ID] > Scores[B->ID])
return -1;
- if (This->Scores[(*A)->ID] < This->Scores[(*B)->ID])
+ if (Scores[A->ID] < Scores[B->ID])
return 1;
return 0;
}
};
int PrioEssentials = _config->FindI("pkgProblemResolver::Scores::Essentials",100);
int PrioInstalledAndNotObsolete = _config->FindI("pkgProblemResolver::Scores::NotObsolete",1);
- int PrioDepends = _config->FindI("pkgProblemResolver::Scores::Depends",1);
- int PrioRecommends = _config->FindI("pkgProblemResolver::Scores::Recommends",1);
+ int DepMap[] = {
+ 0,
+ _config->FindI("pkgProblemResolver::Scores::Depends",1),
+ _config->FindI("pkgProblemResolver::Scores::PreDepends",1),
+ _config->FindI("pkgProblemResolver::Scores::Suggests",0),
+ _config->FindI("pkgProblemResolver::Scores::Recommends",1),
+ _config->FindI("pkgProblemResolver::Scores::Conflicts",-1),
+ _config->FindI("pkgProblemResolver::Scores::Replaces",0),
+ _config->FindI("pkgProblemResolver::Scores::Obsoletes",0),
+ _config->FindI("pkgProblemResolver::Scores::Breaks",-1),
+ _config->FindI("pkgProblemResolver::Scores::Enhances",0)
+ };
int AddProtected = _config->FindI("pkgProblemResolver::Scores::AddProtected",10000);
int AddEssential = _config->FindI("pkgProblemResolver::Scores::AddEssential",5000);
<< " Extra => " << PrioMap[pkgCache::State::Extra] << endl
<< " Essentials => " << PrioEssentials << endl
<< " InstalledAndNotObsolete => " << PrioInstalledAndNotObsolete << endl
- << " Depends => " << PrioDepends << endl
- << " Recommends => " << PrioRecommends << endl
+ << " Pre-Depends => " << DepMap[pkgCache::Dep::PreDepends] << endl
+ << " Depends => " << DepMap[pkgCache::Dep::Depends] << endl
+ << " Recommends => " << DepMap[pkgCache::Dep::Recommends] << endl
+ << " Suggests => " << DepMap[pkgCache::Dep::Suggests] << endl
+ << " Conflicts => " << DepMap[pkgCache::Dep::Conflicts] << endl
+ << " Breaks => " << DepMap[pkgCache::Dep::DpkgBreaks] << endl
+ << " Replaces => " << DepMap[pkgCache::Dep::Replaces] << endl
+ << " Obsoletes => " << DepMap[pkgCache::Dep::Obsoletes] << endl
+ << " Enhances => " << DepMap[pkgCache::Dep::Enhances] << endl
<< " AddProtected => " << AddProtected << endl
<< " AddEssential => " << AddEssential << endl;
|| (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;
- }
- // Now that we have the base scores we go and propagate dependencies
- for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I)
- {
- if (Cache[I].InstallVer == 0)
- continue;
-
- for (pkgCache::DepIterator D = Cache[I].InstVerIter(Cache).DependsList(); D.end() == false; ++D)
+ // propagate score points along dependencies
+ for (pkgCache::DepIterator D = InstVer.DependsList(); D.end() == false; ++D)
{
- if (D->Type == pkgCache::Dep::Depends ||
- D->Type == pkgCache::Dep::PreDepends)
- Scores[D.TargetPkg()->ID] += PrioDepends;
- else if (D->Type == pkgCache::Dep::Recommends)
- Scores[D.TargetPkg()->ID] += PrioRecommends;
+ if (DepMap[D->Type] == 0)
+ continue;
+ pkgCache::PkgIterator const T = D.TargetPkg();
+ if (D->Version != 0)
+ {
+ pkgCache::VerIterator const IV = Cache[T].InstVerIter(Cache);
+ if (IV.end() == true || D.IsSatisfied(IV) == false)
+ continue;
+ }
+ Scores[T->ID] += DepMap[D->Type];
}
- }
-
+ }
+
// 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
}
/*}}}*/
// 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);
}
/*}}}*/
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);
+
+ std::sort(PList.get(), PEnd, [this](Package *a, Package *b) { return ScoreSort(a, b) < 0; });
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);
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);
/* 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)
{
}
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();
}
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 */
Start.TargetPkg()->CurrentVer == 0 &&
Cache[Start.TargetPkg()].Delete() == false &&
(Flags[Start.TargetPkg()->ID] & ToRemove) != ToRemove &&
- Cache.GetCandidateVer(Start.TargetPkg()).end() == false)
+ Cache.GetCandidateVersion(Start.TargetPkg()).end() == false)
{
/* Before removing or keeping the package with the broken dependency
try instead to install the first not previously installed package
/* 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();
}
/*}}}*/
pkgCache::Package **PEnd = PList;
for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I)
*PEnd++ = I;
- This = this;
- qsort(PList,PEnd - PList,sizeof(*PList),&ScoreSort);
+
+ std::sort(PList,PEnd,[this](Package *a, Package *b) { return ScoreSort(a, b) < 0; });
+
if (_config->FindB("Debug::pkgProblemResolver::ShowScores",false) == true)
{
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();
// ---------------------------------------------------------------------
/* This is ment to be used in conjunction with AllTargets to get a list
of versions ordered by preference. */
-static pkgCache *PrioCache;
-static int PrioComp(const void *A,const void *B)
-{
- pkgCache::VerIterator L(*PrioCache,*(pkgCache::Version **)A);
- pkgCache::VerIterator R(*PrioCache,*(pkgCache::Version **)B);
-
- if ((L.ParentPkg()->Flags & pkgCache::Flag::Essential) == pkgCache::Flag::Essential &&
- (R.ParentPkg()->Flags & pkgCache::Flag::Essential) != pkgCache::Flag::Essential)
- return 1;
- if ((L.ParentPkg()->Flags & pkgCache::Flag::Essential) != pkgCache::Flag::Essential &&
- (R.ParentPkg()->Flags & pkgCache::Flag::Essential) == pkgCache::Flag::Essential)
- return -1;
-
- if ((L.ParentPkg()->Flags & pkgCache::Flag::Important) == pkgCache::Flag::Important &&
- (R.ParentPkg()->Flags & pkgCache::Flag::Important) != pkgCache::Flag::Important)
- return 1;
- if ((L.ParentPkg()->Flags & pkgCache::Flag::Important) != pkgCache::Flag::Important &&
- (R.ParentPkg()->Flags & pkgCache::Flag::Important) == pkgCache::Flag::Important)
- return -1;
-
- if (L->Priority != R->Priority)
- return R->Priority - L->Priority;
- return strcmp(L.ParentPkg().Name(),R.ParentPkg().Name());
-}
+
+struct PrioComp {
+ pkgCache &PrioCache;
+
+ explicit PrioComp(pkgCache &PrioCache) : PrioCache(PrioCache) {
+ }
+
+ bool operator() (pkgCache::Version * const &A, pkgCache::Version * const &B) {
+ return compare(A, B) < 0;
+ }
+
+ int compare(pkgCache::Version * const &A, pkgCache::Version * const &B) {
+ pkgCache::VerIterator L(PrioCache,A);
+ pkgCache::VerIterator R(PrioCache,B);
+
+ if ((L.ParentPkg()->Flags & pkgCache::Flag::Essential) == pkgCache::Flag::Essential &&
+ (R.ParentPkg()->Flags & pkgCache::Flag::Essential) != pkgCache::Flag::Essential)
+ return 1;
+ if ((L.ParentPkg()->Flags & pkgCache::Flag::Essential) != pkgCache::Flag::Essential &&
+ (R.ParentPkg()->Flags & pkgCache::Flag::Essential) == pkgCache::Flag::Essential)
+ return -1;
+
+ if ((L.ParentPkg()->Flags & pkgCache::Flag::Important) == pkgCache::Flag::Important &&
+ (R.ParentPkg()->Flags & pkgCache::Flag::Important) != pkgCache::Flag::Important)
+ return 1;
+ if ((L.ParentPkg()->Flags & pkgCache::Flag::Important) != pkgCache::Flag::Important &&
+ (R.ParentPkg()->Flags & pkgCache::Flag::Important) == pkgCache::Flag::Important)
+ return -1;
+
+ if (L->Priority != R->Priority)
+ return R->Priority - L->Priority;
+ return strcmp(L.ParentPkg().Name(),R.ParentPkg().Name());
+ }
+};
+
void pkgPrioSortList(pkgCache &Cache,pkgCache::Version **List)
{
unsigned long Count = 0;
- PrioCache = &Cache;
for (pkgCache::Version **I = List; *I != 0; I++)
Count++;
- qsort(List,Count,sizeof(*List),PrioComp);
+ std::sort(List,List+Count,PrioComp(Cache));
}
/*}}}*/