##################################################################### */
/*}}}*/
// Include Files /*{{{*/
-#define APT_COMPATIBILITY 986
+#include <config.h>
#include <apt-pkg/pkgcachegen.h>
#include <apt-pkg/error.h>
#include <apt-pkg/progress.h>
#include <apt-pkg/sourcelist.h>
#include <apt-pkg/configuration.h>
+#include <apt-pkg/aptconfiguration.h>
#include <apt-pkg/strutl.h>
#include <apt-pkg/sptr.h>
#include <apt-pkg/pkgsystem.h>
-
+#include <apt-pkg/macros.h>
#include <apt-pkg/tagfile.h>
-
-#include <apti18n.h>
+#include <apt-pkg/metaindex.h>
+#include <apt-pkg/fileutl.h>
#include <vector>
-
#include <sys/stat.h>
#include <unistd.h>
#include <errno.h>
#include <stdio.h>
-#include <system.h>
+
+#include <apti18n.h>
/*}}}*/
-typedef vector<pkgIndexFile *>::iterator FileIterator;
+typedef std::vector<pkgIndexFile *>::iterator FileIterator;
+template <typename Iter> std::vector<Iter*> pkgCacheGenerator::Dynamic<Iter>::toReMap;
+
+static bool IsDuplicateDescription(pkgCache::DescIterator Desc,
+ MD5SumValue const &CurMd5, std::string const &CurLang);
+
+using std::string;
// CacheGenerator::pkgCacheGenerator - Constructor /*{{{*/
// ---------------------------------------------------------------------
-/* We set the diry flag and make sure that is written to the disk */
+/* We set the dirty flag and make sure that is written to the disk */
pkgCacheGenerator::pkgCacheGenerator(DynamicMMap *pMap,OpProgress *Prog) :
Map(*pMap), Cache(pMap,false), Progress(Prog),
FoundFileDeps(0)
{
// 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]));
-
+
// 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();
+ map_ptrloc const idxVerSysName = WriteStringInMap(_system->VS->Label);
+ Cache.HeaderP->VerSysName = idxVerSysName;
+ map_ptrloc const idxArchitecture = WriteStringInMap(_config->Find("APT::Architecture"));
+ Cache.HeaderP->Architecture = idxArchitecture;
+ if (unlikely(idxVerSysName == 0 || idxArchitecture == 0))
+ return;
+ Cache.ReMap();
}
else
{
return;
Cache.HeaderP->Dirty = false;
+ Cache.HeaderP->CacheFileSize = Map.Size();
Map.Sync(0,sizeof(pkgCache::Header));
}
/*}}}*/
+void pkgCacheGenerator::ReMap(void const * const oldMap, void const * const newMap) {/*{{{*/
+ if (oldMap == newMap)
+ return;
+
+ if (_config->FindB("Debug::pkgCacheGen", false))
+ std::clog << "Remaping from " << oldMap << " to " << newMap << std::endl;
+
+ Cache.ReMap(false);
+
+ CurrentFile += (pkgCache::PackageFile*) newMap - (pkgCache::PackageFile*) oldMap;
+
+ for (size_t i = 0; i < _count(UniqHash); ++i)
+ if (UniqHash[i] != 0)
+ UniqHash[i] += (pkgCache::StringItem*) newMap - (pkgCache::StringItem*) oldMap;
+
+ for (std::vector<pkgCache::GrpIterator*>::const_iterator i = Dynamic<pkgCache::GrpIterator>::toReMap.begin();
+ i != Dynamic<pkgCache::GrpIterator>::toReMap.end(); ++i)
+ (*i)->ReMap(oldMap, newMap);
+ for (std::vector<pkgCache::PkgIterator*>::const_iterator i = Dynamic<pkgCache::PkgIterator>::toReMap.begin();
+ i != Dynamic<pkgCache::PkgIterator>::toReMap.end(); ++i)
+ (*i)->ReMap(oldMap, newMap);
+ for (std::vector<pkgCache::VerIterator*>::const_iterator i = Dynamic<pkgCache::VerIterator>::toReMap.begin();
+ i != Dynamic<pkgCache::VerIterator>::toReMap.end(); ++i)
+ (*i)->ReMap(oldMap, newMap);
+ for (std::vector<pkgCache::DepIterator*>::const_iterator i = Dynamic<pkgCache::DepIterator>::toReMap.begin();
+ i != Dynamic<pkgCache::DepIterator>::toReMap.end(); ++i)
+ (*i)->ReMap(oldMap, newMap);
+ for (std::vector<pkgCache::DescIterator*>::const_iterator i = Dynamic<pkgCache::DescIterator>::toReMap.begin();
+ i != Dynamic<pkgCache::DescIterator>::toReMap.end(); ++i)
+ (*i)->ReMap(oldMap, newMap);
+ for (std::vector<pkgCache::PrvIterator*>::const_iterator i = Dynamic<pkgCache::PrvIterator>::toReMap.begin();
+ i != Dynamic<pkgCache::PrvIterator>::toReMap.end(); ++i)
+ (*i)->ReMap(oldMap, newMap);
+ for (std::vector<pkgCache::PkgFileIterator*>::const_iterator i = Dynamic<pkgCache::PkgFileIterator>::toReMap.begin();
+ i != Dynamic<pkgCache::PkgFileIterator>::toReMap.end(); ++i)
+ (*i)->ReMap(oldMap, newMap);
+} /*}}}*/
+// CacheGenerator::WriteStringInMap /*{{{*/
+map_ptrloc pkgCacheGenerator::WriteStringInMap(const char *String,
+ const unsigned long &Len) {
+ void const * const oldMap = Map.Data();
+ map_ptrloc const index = Map.WriteString(String, Len);
+ if (index != 0)
+ ReMap(oldMap, Map.Data());
+ return index;
+}
+ /*}}}*/
+// CacheGenerator::WriteStringInMap /*{{{*/
+map_ptrloc pkgCacheGenerator::WriteStringInMap(const char *String) {
+ void const * const oldMap = Map.Data();
+ map_ptrloc const index = Map.WriteString(String);
+ if (index != 0)
+ ReMap(oldMap, Map.Data());
+ return index;
+}
+ /*}}}*/
+map_ptrloc pkgCacheGenerator::AllocateInMap(const unsigned long &size) {/*{{{*/
+ void const * const oldMap = Map.Data();
+ map_ptrloc const index = Map.Allocate(size);
+ if (index != 0)
+ ReMap(oldMap, Map.Data());
+ return index;
+}
+ /*}}}*/
// CacheGenerator::MergeList - Merge the package list /*{{{*/
// ---------------------------------------------------------------------
/* This provides the generation of the entries in the cache. Each loop
unsigned int Counter = 0;
while (List.Step() == true)
{
- // Get a pointer to the package structure
- string PackageName = List.Package();
+ string const PackageName = List.Package();
if (PackageName.empty() == true)
return false;
-
- pkgCache::PkgIterator Pkg;
- if (NewPackage(Pkg,PackageName) == false)
- return _error->Error(_("Error occurred while processing %s (NewPackage)"),PackageName.c_str());
+
Counter++;
if (Counter % 100 == 0 && Progress != 0)
Progress->Progress(List.Offset());
- /* Get a pointer to the version structure. We know the list is sorted
- so we use that fact in the search. Insertion of new versions is
- done with correct sorting */
- string Version = List.Version();
+ string Arch = List.Architecture();
+ string const Version = List.Version();
+ if (Version.empty() == true && Arch.empty() == true)
+ {
+ // package descriptions
+ if (MergeListGroup(List, PackageName) == false)
+ return false;
+ continue;
+ }
+
+ if (Arch.empty() == true)
+ {
+ // use the pseudo arch 'none' for arch-less packages
+ Arch = "none";
+ /* We might built a SingleArchCache here, which we don't want to blow up
+ just for these :none packages to a proper MultiArchCache, so just ensure
+ that we have always a native package structure first for SingleArch */
+ pkgCache::PkgIterator NP;
+ Dynamic<pkgCache::PkgIterator> DynPkg(NP);
+ if (NewPackage(NP, PackageName, _config->Find("APT::Architecture")) == false)
+ // TRANSLATOR: The first placeholder is a package name,
+ // the other two should be copied verbatim as they include debug info
+ return _error->Error(_("Error occurred while processing %s (%s%d)"),
+ PackageName.c_str(), "NewPackage", 0);
+ }
+
+ // Get a pointer to the package structure
+ pkgCache::PkgIterator Pkg;
+ Dynamic<pkgCache::PkgIterator> DynPkg(Pkg);
+ if (NewPackage(Pkg, PackageName, Arch) == false)
+ // TRANSLATOR: The first placeholder is a package name,
+ // the other two should be copied verbatim as they include debug info
+ return _error->Error(_("Error occurred while processing %s (%s%d)"),
+ PackageName.c_str(), "NewPackage", 1);
+
+
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());
-
- // 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;
-
- for (; Desc.end() == false; LastDesc = &Desc->NextDesc, Desc++)
- {
+ if (MergeListPackage(List, Pkg) == false)
+ return false;
+ }
+ else
+ {
+ if (MergeListVersion(List, Pkg, Version, OutVer) == false)
+ return false;
+ }
- if (MD5SumValue(Desc.md5()) == CurMd5)
- {
- // Add new description
- *LastDesc = NewDescription(Desc, List.DescriptionLanguage(), CurMd5, *LastDesc);
- Desc->ParentPkg = Pkg.Index();
-
- if (NewFileDesc(Desc,List) == false)
- return _error->Error(_("Error occurred while processing %s (NewFileDesc1)"),PackageName.c_str());
- break;
- }
- }
- }
+ if (OutVer != 0)
+ {
+ FoundFileDeps |= List.HasFileDeps();
+ return true;
+ }
+ }
+
+ if (Cache.HeaderP->PackageCount >= (1ULL<<sizeof(Cache.PkgP->ID)*8)-1)
+ return _error->Error(_("Wow, you exceeded the number of package "
+ "names 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."));
+ FoundFileDeps |= List.HasFileDeps();
+ return true;
+}
+// CacheGenerator::MergeListGroup /*{{{*/
+bool pkgCacheGenerator::MergeListGroup(ListParser &List, std::string const &GrpName)
+{
+ pkgCache::GrpIterator Grp = Cache.FindGrp(GrpName);
+ // a group has no data on it's own, only packages have it but these
+ // stanzas like this come from Translation- files to add descriptions,
+ // but without a version we don't need a description for it…
+ if (Grp.end() == true)
+ return true;
+ Dynamic<pkgCache::GrpIterator> DynGrp(Grp);
+
+ pkgCache::PkgIterator Pkg;
+ Dynamic<pkgCache::PkgIterator> DynPkg(Pkg);
+ for (Pkg = Grp.PackageList(); Pkg.end() == false; Pkg = Grp.NextPkg(Pkg))
+ if (MergeListPackage(List, Pkg) == false)
+ return false;
+
+ return true;
+}
+ /*}}}*/
+// CacheGenerator::MergeListPackage /*{{{*/
+bool pkgCacheGenerator::MergeListPackage(ListParser &List, pkgCache::PkgIterator &Pkg)
+{
+ // we first process the package, then the descriptions
+ // (for deb this package processing is in fact a no-op)
+ pkgCache::VerIterator Ver(Cache);
+ Dynamic<pkgCache::VerIterator> DynVer(Ver);
+ if (List.UsePackage(Pkg, Ver) == false)
+ return _error->Error(_("Error occurred while processing %s (%s%d)"),
+ Pkg.Name(), "UsePackage", 1);
+
+ // Find the right version to write the description
+ MD5SumValue CurMd5 = List.Description_md5();
+ std::string CurLang = List.DescriptionLanguage();
+
+ for (Ver = Pkg.VersionList(); Ver.end() == false; ++Ver)
+ {
+ pkgCache::DescIterator Desc = Ver.DescriptionList();
+
+ // a version can only have one md5 describing it
+ if (Desc.end() == true || MD5SumValue(Desc.md5()) != CurMd5)
continue;
- }
- pkgCache::VerIterator Ver = Pkg.VersionList();
- map_ptrloc *LastVer = &Pkg->VersionList;
+ // don't add a new description if we have one for the given
+ // md5 && language
+ if (IsDuplicateDescription(Desc, CurMd5, CurLang) == true)
+ continue;
+
+ Dynamic<pkgCache::DescIterator> DynDesc(Desc);
+ // we add at the end, so that the start is constant as we need
+ // that to be able to efficiently share these lists
+ map_ptrloc *LastDesc = &Ver->DescriptionList;
+ for (;Desc.end() == false && Desc->NextDesc != 0; ++Desc);
+ if (Desc.end() == false)
+ LastDesc = &Desc->NextDesc;
+
+ void const * const oldMap = Map.Data();
+ map_ptrloc const descindex = NewDescription(Desc, CurLang, CurMd5, *LastDesc);
+ if (unlikely(descindex == 0 && _error->PendingError()))
+ return _error->Error(_("Error occurred while processing %s (%s%d)"),
+ Pkg.Name(), "NewDescription", 1);
+ if (oldMap != Map.Data())
+ LastDesc += (map_ptrloc*) Map.Data() - (map_ptrloc*) oldMap;
+ *LastDesc = descindex;
+ Desc->ParentPkg = Pkg.Index();
+
+ if ((*LastDesc == 0 && _error->PendingError()) || NewFileDesc(Desc,List) == false)
+ return _error->Error(_("Error occurred while processing %s (%s%d)"),
+ Pkg.Name(), "NewFileDesc", 1);
+
+ // we can stop here as all "same" versions will share the description
+ break;
+ }
+
+ return true;
+}
+ /*}}}*/
+// CacheGenerator::MergeListVersion /*{{{*/
+bool pkgCacheGenerator::MergeListVersion(ListParser &List, pkgCache::PkgIterator &Pkg,
+ std::string const &Version, pkgCache::VerIterator* &OutVer)
+{
+ pkgCache::VerIterator Ver = Pkg.VersionList();
+ Dynamic<pkgCache::VerIterator> DynVer(Ver);
+ map_ptrloc *LastVer = &Pkg->VersionList;
+ void const * oldMap = Map.Data();
+
+ unsigned long const Hash = List.VersionHash();
+ if (Ver.end() == false)
+ {
+ /* We know the list is sorted so we use that fact in the search.
+ Insertion of new versions is done with correct sorting */
int Res = 1;
for (; Ver.end() == false; LastVer = &Ver->NextVer, Ver++)
{
Res = Cache.VS->CmpVersion(Version,Ver.VerStr());
- if (Res >= 0)
+ // Version is higher as current version - insert here
+ if (Res > 0)
+ break;
+ // Versionstrings are equal - is hash also equal?
+ if (Res == 0 && Ver->Hash == Hash)
break;
+ // proceed with the next till we have either the right
+ // or we found another version (which will be lower)
}
-
- /* We already have a version for this item, record that we
- saw it */
- unsigned long Hash = List.VersionHash();
- if (Res == 0 && Ver->Hash == Hash)
+
+ /* We already have a version for this item, record that we saw it */
+ if (Res == 0 && Ver.end() == false && Ver->Hash == Hash)
{
if (List.UsePackage(Pkg,Ver) == false)
- return _error->Error(_("Error occurred while processing %s (UsePackage2)"),
- PackageName.c_str());
+ return _error->Error(_("Error occurred while processing %s (%s%d)"),
+ Pkg.Name(), "UsePackage", 2);
if (NewFileVer(Ver,List) == false)
- return _error->Error(_("Error occurred while processing %s (NewFileVer1)"),
- PackageName.c_str());
-
+ return _error->Error(_("Error occurred while processing %s (%s%d)"),
+ Pkg.Name(), "NewFileVer", 1);
+
// Read only a single record and return
if (OutVer != 0)
{
*OutVer = Ver;
- FoundFileDeps |= List.HasFileDeps();
return true;
}
-
- continue;
- }
- // Skip to the end of the same version set.
- if (Res == 0)
+ return true;
+ }
+ }
+
+ // Add a new version
+ map_ptrloc const verindex = NewVersion(Ver,Version,*LastVer);
+ if (verindex == 0 && _error->PendingError())
+ return _error->Error(_("Error occurred while processing %s (%s%d)"),
+ Pkg.Name(), "NewVersion", 1);
+
+ if (oldMap != Map.Data())
+ LastVer += (map_ptrloc*) Map.Data() - (map_ptrloc*) oldMap;
+ *LastVer = verindex;
+ Ver->ParentPkg = Pkg.Index();
+ Ver->Hash = Hash;
+
+ if (unlikely(List.NewVersion(Ver) == false))
+ return _error->Error(_("Error occurred while processing %s (%s%d)"),
+ Pkg.Name(), "NewVersion", 2);
+
+ if (unlikely(List.UsePackage(Pkg,Ver) == false))
+ return _error->Error(_("Error occurred while processing %s (%s%d)"),
+ Pkg.Name(), "UsePackage", 3);
+
+ if (unlikely(NewFileVer(Ver,List) == false))
+ return _error->Error(_("Error occurred while processing %s (%s%d)"),
+ Pkg.Name(), "NewFileVer", 2);
+
+ pkgCache::GrpIterator Grp = Pkg.Group();
+ Dynamic<pkgCache::GrpIterator> DynGrp(Grp);
+
+ /* If it is the first version of this package we need to add implicit
+ Multi-Arch dependencies to all other package versions in the group now -
+ otherwise we just add them for this new version */
+ if (Pkg.VersionList()->NextVer == 0)
+ {
+ pkgCache::PkgIterator P = Grp.PackageList();
+ Dynamic<pkgCache::PkgIterator> DynP(P);
+ for (; P.end() != true; P = Grp.NextPkg(P))
{
- for (; Ver.end() == false; LastVer = &Ver->NextVer, Ver++)
+ if (P->ID == Pkg->ID)
+ continue;
+ pkgCache::VerIterator V = P.VersionList();
+ Dynamic<pkgCache::VerIterator> DynV(V);
+ for (; V.end() != true; ++V)
+ if (unlikely(AddImplicitDepends(V, Pkg) == false))
+ return _error->Error(_("Error occurred while processing %s (%s%d)"),
+ Pkg.Name(), "AddImplicitDepends", 1);
+ }
+ /* :none packages are packages without an architecture. They are forbidden by
+ debian-policy, so usually they will only be in (old) dpkg status files -
+ and dpkg will complain about them - and are pretty rare. We therefore do
+ usually not create conflicts while the parent is created, but only if a :none
+ package (= the target) appears. This creates incorrect dependencies on :none
+ for architecture-specific dependencies on the package we copy from, but we
+ will ignore this bug as architecture-specific dependencies are only allowed
+ in jessie and until then the :none packages should be extinct (hopefully).
+ In other words: This should work long enough to allow graceful removal of
+ these packages, it is not supposed to allow users to keep using them … */
+ if (strcmp(Pkg.Arch(), "none") == 0)
+ {
+ pkgCache::PkgIterator M = Grp.FindPreferredPkg();
+ if (M.end() == false && Pkg != M)
{
- Res = Cache.VS->CmpVersion(Version,Ver.VerStr());
- if (Res != 0)
- break;
+ pkgCache::DepIterator D = M.RevDependsList();
+ Dynamic<pkgCache::DepIterator> DynD(D);
+ for (; D.end() == false; ++D)
+ {
+ if ((D->Type != pkgCache::Dep::Conflicts &&
+ D->Type != pkgCache::Dep::DpkgBreaks &&
+ D->Type != pkgCache::Dep::Replaces) ||
+ D.ParentPkg().Group() == Grp)
+ continue;
+
+ map_ptrloc *OldDepLast = NULL;
+ pkgCache::VerIterator ConVersion = D.ParentVer();
+ Dynamic<pkgCache::VerIterator> DynV(ConVersion);
+ // duplicate the Conflicts/Breaks/Replaces for :none arch
+ if (D->Version == 0)
+ NewDepends(Pkg, ConVersion, "", 0, D->Type, OldDepLast);
+ else
+ NewDepends(Pkg, ConVersion, D.TargetVer(),
+ D->CompareOp, D->Type, OldDepLast);
+ }
}
}
+ }
+ if (unlikely(AddImplicitDepends(Grp, Pkg, Ver) == false))
+ return _error->Error(_("Error occurred while processing %s (%s%d)"),
+ Pkg.Name(), "AddImplicitDepends", 2);
- // Add a new version
- *LastVer = NewVersion(Ver,Version,*LastVer);
- Ver->ParentPkg = Pkg.Index();
- Ver->Hash = Hash;
-
- if (List.NewVersion(Ver) == false)
- return _error->Error(_("Error occurred while processing %s (NewVersion1)"),
- PackageName.c_str());
+ // Read only a single record and return
+ if (OutVer != 0)
+ {
+ *OutVer = Ver;
+ return true;
+ }
- if (List.UsePackage(Pkg,Ver) == false)
- return _error->Error(_("Error occurred while processing %s (UsePackage3)"),
- PackageName.c_str());
-
- if (NewFileVer(Ver,List) == false)
- return _error->Error(_("Error occurred while processing %s (NewVersion2)"),
- PackageName.c_str());
+ /* Record the Description (it is not translated) */
+ MD5SumValue CurMd5 = List.Description_md5();
+ if (CurMd5.Value().empty() == true)
+ return true;
+ std::string CurLang = List.DescriptionLanguage();
- // Read only a single record and return
- if (OutVer != 0)
+ /* Before we add a new description we first search in the group for
+ a version with a description of the same MD5 - if so we reuse this
+ description group instead of creating our own for this version */
+ for (pkgCache::PkgIterator P = Grp.PackageList();
+ P.end() == false; P = Grp.NextPkg(P))
+ {
+ for (pkgCache::VerIterator V = P.VersionList();
+ V.end() == false; ++V)
{
- *OutVer = Ver;
- FoundFileDeps |= List.HasFileDeps();
+ if (IsDuplicateDescription(V.DescriptionList(), CurMd5, "") == false)
+ continue;
+ Ver->DescriptionList = V->DescriptionList;
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();
+ // We haven't found reusable descriptions, so add the first description
+ pkgCache::DescIterator Desc = Ver.DescriptionList();
+ Dynamic<pkgCache::DescIterator> DynDesc(Desc);
+ map_ptrloc *LastDesc = &Ver->DescriptionList;
- if (NewFileDesc(Desc,List) == false)
- return _error->Error(_("Error occurred while processing %s (NewFileDesc2)"),PackageName.c_str());
- }
+ oldMap = Map.Data();
+ map_ptrloc const descindex = NewDescription(Desc, CurLang, CurMd5, *LastDesc);
+ if (unlikely(descindex == 0 && _error->PendingError()))
+ return _error->Error(_("Error occurred while processing %s (%s%d)"),
+ Pkg.Name(), "NewDescription", 2);
+ if (oldMap != Map.Data())
+ LastDesc += (map_ptrloc*) Map.Data() - (map_ptrloc*) oldMap;
+ *LastDesc = descindex;
+ Desc->ParentPkg = Pkg.Index();
- FoundFileDeps |= List.HasFileDeps();
+ if ((*LastDesc == 0 && _error->PendingError()) || NewFileDesc(Desc,List) == false)
+ return _error->Error(_("Error occurred while processing %s (%s%d)"),
+ Pkg.Name(), "NewFileDesc", 2);
- if (Cache.HeaderP->PackageCount >= (1ULL<<sizeof(Cache.PkgP->ID)*8)-1)
- return _error->Error(_("Wow, you exceeded the number of package "
- "names 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."));
return true;
}
/*}}}*/
+ /*}}}*/
// CacheGenerator::MergeFileProvides - Merge file provides /*{{{*/
// ---------------------------------------------------------------------
/* If we found any file depends while parsing the main list we need to
continue;
pkgCache::PkgIterator Pkg = Cache.FindPkg(PackageName);
+ Dynamic<pkgCache::PkgIterator> DynPkg(Pkg);
if (Pkg.end() == true)
- return _error->Error(_("Error occurred while processing %s (FindPkg)"),
- PackageName.c_str());
+ return _error->Error(_("Error occurred while processing %s (%s%d)"),
+ PackageName.c_str(), "FindPkg", 1);
Counter++;
if (Counter % 100 == 0 && Progress != 0)
Progress->Progress(List.Offset());
unsigned long Hash = List.VersionHash();
pkgCache::VerIterator Ver = Pkg.VersionList();
- for (; Ver.end() == false; Ver++)
+ Dynamic<pkgCache::VerIterator> DynVer(Ver);
+ for (; Ver.end() == false; ++Ver)
{
if (Ver->Hash == Hash && Version.c_str() == Ver.VerStr())
{
if (List.CollectFileProvides(Cache,Ver) == false)
- return _error->Error(_("Error occurred while processing %s (CollectFileProvides)"),PackageName.c_str());
+ return _error->Error(_("Error occurred while processing %s (%s%d)"),
+ PackageName.c_str(), "CollectFileProvides", 1);
break;
}
}
return true;
}
/*}}}*/
-// CacheGenerator::NewPackage - Add a new package /*{{{*/
+// CacheGenerator::NewGroup - Add a new group /*{{{*/
// ---------------------------------------------------------------------
-/* This creates a new package structure and adds it to the hash table */
-bool pkgCacheGenerator::NewPackage(pkgCache::PkgIterator &Pkg,const string &Name)
+/* This creates a new group structure and adds it to the hash table */
+bool pkgCacheGenerator::NewGroup(pkgCache::GrpIterator &Grp, const string &Name)
{
- Pkg = Cache.FindPkg(Name);
- if (Pkg.end() == false)
+ Grp = Cache.FindGrp(Name);
+ if (Grp.end() == false)
return true;
// Get a structure
- unsigned long Package = Map.Allocate(sizeof(pkgCache::Package));
- if (Package == 0)
+ map_ptrloc const Group = AllocateInMap(sizeof(pkgCache::Group));
+ if (unlikely(Group == 0))
return false;
-
- Pkg = pkgCache::PkgIterator(Cache,Cache.PkgP + Package);
-
+
+ Grp = pkgCache::GrpIterator(Cache, Cache.GrpP + Group);
+ map_ptrloc const idxName = WriteStringInMap(Name);
+ if (unlikely(idxName == 0))
+ return false;
+ Grp->Name = idxName;
+
// Insert it into the hash table
- unsigned long Hash = Cache.Hash(Name);
- Pkg->NextPackage = Cache.HeaderP->HashTable[Hash];
- Cache.HeaderP->HashTable[Hash] = Package;
-
- // Set the name and the ID
- Pkg->Name = Map.WriteString(Name);
- if (Pkg->Name == 0)
+ unsigned long const Hash = Cache.Hash(Name);
+ Grp->Next = Cache.HeaderP->GrpHashTable[Hash];
+ Cache.HeaderP->GrpHashTable[Hash] = Group;
+
+ Grp->ID = Cache.HeaderP->GroupCount++;
+ return true;
+}
+ /*}}}*/
+// CacheGenerator::NewPackage - Add a new package /*{{{*/
+// ---------------------------------------------------------------------
+/* This creates a new package structure and adds it to the hash table */
+bool pkgCacheGenerator::NewPackage(pkgCache::PkgIterator &Pkg,const string &Name,
+ const string &Arch) {
+ pkgCache::GrpIterator Grp;
+ Dynamic<pkgCache::GrpIterator> DynGrp(Grp);
+ if (unlikely(NewGroup(Grp, Name) == false))
+ return false;
+
+ Pkg = Grp.FindPkg(Arch);
+ if (Pkg.end() == false)
+ return true;
+
+ // Get a structure
+ map_ptrloc const Package = AllocateInMap(sizeof(pkgCache::Package));
+ if (unlikely(Package == 0))
+ return false;
+ Pkg = pkgCache::PkgIterator(Cache,Cache.PkgP + Package);
+
+ // Insert the package into our package list
+ if (Grp->FirstPackage == 0) // the group is new
+ {
+ // Insert it into the hash table
+ unsigned long const Hash = Cache.Hash(Name);
+ Pkg->NextPackage = Cache.HeaderP->PkgHashTable[Hash];
+ Cache.HeaderP->PkgHashTable[Hash] = Package;
+ Grp->FirstPackage = Package;
+ }
+ else // Group the Packages together
+ {
+ // this package is the new last package
+ pkgCache::PkgIterator LastPkg(Cache, Cache.PkgP + Grp->LastPackage);
+ Pkg->NextPackage = LastPkg->NextPackage;
+ LastPkg->NextPackage = Package;
+ }
+ Grp->LastPackage = Package;
+
+ // Set the name, arch and the ID
+ Pkg->Name = Grp->Name;
+ Pkg->Group = Grp.Index();
+ // all is mapped to the native architecture
+ map_ptrloc const idxArch = (Arch == "all") ? Cache.HeaderP->Architecture : WriteUniqString(Arch.c_str());
+ if (unlikely(idxArch == 0))
return false;
+ Pkg->Arch = idxArch;
Pkg->ID = Cache.HeaderP->PackageCount++;
-
+
+ return true;
+}
+ /*}}}*/
+// CacheGenerator::AddImplicitDepends /*{{{*/
+bool pkgCacheGenerator::AddImplicitDepends(pkgCache::GrpIterator &G,
+ pkgCache::PkgIterator &P,
+ pkgCache::VerIterator &V)
+{
+ // copy P.Arch() into a string here as a cache remap
+ // in NewDepends() later may alter the pointer location
+ string Arch = P.Arch() == NULL ? "" : P.Arch();
+ map_ptrloc *OldDepLast = NULL;
+ /* MultiArch handling introduces a lot of implicit Dependencies:
+ - MultiArch: same → Co-Installable if they have the same version
+ - All others conflict with all other group members */
+ bool const coInstall = ((V->MultiArch & pkgCache::Version::Same) == pkgCache::Version::Same);
+ pkgCache::PkgIterator D = G.PackageList();
+ Dynamic<pkgCache::PkgIterator> DynD(D);
+ for (; D.end() != true; D = G.NextPkg(D))
+ {
+ if (Arch == D.Arch() || D->VersionList == 0)
+ continue;
+ /* We allow only one installed arch at the time
+ per group, therefore each group member conflicts
+ with all other group members */
+ if (coInstall == true)
+ {
+ // Replaces: ${self}:other ( << ${binary:Version})
+ NewDepends(D, V, V.VerStr(),
+ pkgCache::Dep::Less, pkgCache::Dep::Replaces,
+ OldDepLast);
+ // Breaks: ${self}:other (!= ${binary:Version})
+ NewDepends(D, V, V.VerStr(),
+ pkgCache::Dep::NotEquals, pkgCache::Dep::DpkgBreaks,
+ OldDepLast);
+ } else {
+ // Conflicts: ${self}:other
+ NewDepends(D, V, "",
+ pkgCache::Dep::NoOp, pkgCache::Dep::Conflicts,
+ OldDepLast);
+ }
+ }
+ return true;
+}
+bool pkgCacheGenerator::AddImplicitDepends(pkgCache::VerIterator &V,
+ pkgCache::PkgIterator &D)
+{
+ /* MultiArch handling introduces a lot of implicit Dependencies:
+ - MultiArch: same → Co-Installable if they have the same version
+ - All others conflict with all other group members */
+ map_ptrloc *OldDepLast = NULL;
+ bool const coInstall = ((V->MultiArch & pkgCache::Version::Same) == pkgCache::Version::Same);
+ if (coInstall == true)
+ {
+ // Replaces: ${self}:other ( << ${binary:Version})
+ NewDepends(D, V, V.VerStr(),
+ pkgCache::Dep::Less, pkgCache::Dep::Replaces,
+ OldDepLast);
+ // Breaks: ${self}:other (!= ${binary:Version})
+ NewDepends(D, V, V.VerStr(),
+ pkgCache::Dep::NotEquals, pkgCache::Dep::DpkgBreaks,
+ OldDepLast);
+ } else {
+ // Conflicts: ${self}:other
+ NewDepends(D, V, "",
+ pkgCache::Dep::NoOp, pkgCache::Dep::Conflicts,
+ OldDepLast);
+ }
return true;
}
+
/*}}}*/
// CacheGenerator::NewFileVer - Create a new File<->Version association /*{{{*/
// ---------------------------------------------------------------------
return true;
// Get a structure
- unsigned long VerFile = Map.Allocate(sizeof(pkgCache::VerFile));
+ map_ptrloc const VerFile = AllocateInMap(sizeof(pkgCache::VerFile));
if (VerFile == 0)
return 0;
// Link it to the end of the list
map_ptrloc *Last = &Ver->FileList;
- for (pkgCache::VerFileIterator V = Ver.FileList(); V.end() == false; V++)
+ for (pkgCache::VerFileIterator V = Ver.FileList(); V.end() == false; ++V)
Last = &V->NextFile;
VF->NextFile = *Last;
*Last = VF.Index();
unsigned long Next)
{
// Get a structure
- unsigned long Version = Map.Allocate(sizeof(pkgCache::Version));
+ map_ptrloc const Version = AllocateInMap(sizeof(pkgCache::Version));
if (Version == 0)
return 0;
// Fill it in
Ver = pkgCache::VerIterator(Cache,Cache.VerP + Version);
+ //Dynamic<pkgCache::VerIterator> DynV(Ver); // caller MergeListVersion already takes care of it
Ver->NextVer = Next;
Ver->ID = Cache.HeaderP->VersionCount++;
- Ver->VerStr = Map.WriteString(VerStr);
- if (Ver->VerStr == 0)
+ map_ptrloc const idxVerStr = WriteStringInMap(VerStr);
+ if (unlikely(idxVerStr == 0))
return 0;
+ Ver->VerStr = idxVerStr;
return Version;
}
return true;
// Get a structure
- unsigned long DescFile = Map.Allocate(sizeof(pkgCache::DescFile));
+ map_ptrloc const DescFile = AllocateInMap(sizeof(pkgCache::DescFile));
if (DescFile == 0)
- return 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++)
+ for (pkgCache::DescFileIterator D = Desc.FileList(); D.end() == false; ++D)
Last = &D->NextFile;
DF->NextFile = *Last;
// ---------------------------------------------------------------------
/* This puts a description structure in the linked list */
map_ptrloc pkgCacheGenerator::NewDescription(pkgCache::DescIterator &Desc,
- const string &Lang, const MD5SumValue &md5sum,
+ const string &Lang,
+ const MD5SumValue &md5sum,
map_ptrloc Next)
{
// Get a structure
- map_ptrloc Description = Map.Allocate(sizeof(pkgCache::Description));
+ map_ptrloc const Description = AllocateInMap(sizeof(pkgCache::Description));
if (Description == 0)
return 0;
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());
+ map_ptrloc const idxlanguage_code = WriteStringInMap(Lang);
+ map_ptrloc const idxmd5sum = WriteStringInMap(md5sum.Value());
+ if (unlikely(idxlanguage_code == 0 || idxmd5sum == 0))
+ return 0;
+ Desc->language_code = idxlanguage_code;
+ Desc->md5sum = idxmd5sum;
return Description;
}
/*}}}*/
-// ListParser::NewDepends - Create a dependency element /*{{{*/
+// CacheGenerator::NewDepends - Create a dependency element /*{{{*/
// ---------------------------------------------------------------------
/* This creates a dependency element in the tree. It is linked to the
version and to the package that it is pointing to. */
-bool pkgCacheGenerator::ListParser::NewDepends(pkgCache::VerIterator Ver,
- const string &PackageName,
- const string &Version,
- unsigned int Op,
- unsigned int Type)
+bool pkgCacheGenerator::NewDepends(pkgCache::PkgIterator &Pkg,
+ pkgCache::VerIterator &Ver,
+ string const &Version,
+ unsigned int const &Op,
+ unsigned int const &Type,
+ map_ptrloc* &OldDepLast)
{
- pkgCache &Cache = Owner->Cache;
-
+ void const * const oldMap = Map.Data();
// Get a structure
- unsigned long Dependency = Owner->Map.Allocate(sizeof(pkgCache::Dependency));
- if (Dependency == 0)
+ map_ptrloc const Dependency = AllocateInMap(sizeof(pkgCache::Dependency));
+ if (unlikely(Dependency == 0))
return false;
// Fill it in
pkgCache::DepIterator Dep(Cache,Cache.DepP + Dependency);
+ Dynamic<pkgCache::DepIterator> DynDep(Dep);
Dep->ParentVer = Ver.Index();
Dep->Type = Type;
Dep->CompareOp = Op;
Dep->ID = Cache.HeaderP->DependsCount++;
-
- // Locate the target package
- pkgCache::PkgIterator Pkg;
- if (Owner->NewPackage(Pkg,PackageName) == false)
- return false;
-
+
// 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++)
if (I->Version != 0 && I.TargetVer() == Version)
Dep->Version = I->Version;*/
- if (Dep->Version == 0)
- if ((Dep->Version = WriteString(Version)) == 0)
+ if (Dep->Version == 0) {
+ map_ptrloc const index = WriteStringInMap(Version);
+ if (unlikely(index == 0))
return false;
+ Dep->Version = 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)
- Caching the old end point speeds up generation substantially */
- if (OldDepVer != Ver)
+
+ // Do we know where to link the Dependency to?
+ if (OldDepLast == NULL)
{
OldDepLast = &Ver->DependsList;
- for (pkgCache::DepIterator D = Ver.DependsList(); D.end() == false; D++)
+ for (pkgCache::DepIterator D = Ver.DependsList(); D.end() == false; ++D)
OldDepLast = &D->NextDepends;
- OldDepVer = Ver;
- }
+ } else if (oldMap != Map.Data())
+ OldDepLast += (map_ptrloc*) Map.Data() - (map_ptrloc*) oldMap;
- // Is it a file dependency?
- if (PackageName[0] == '/')
- FoundFileDeps = true;
-
Dep->NextDepends = *OldDepLast;
*OldDepLast = Dep.Index();
OldDepLast = &Dep->NextDepends;
return true;
}
/*}}}*/
+// ListParser::NewDepends - Create the environment for a new dependency /*{{{*/
+// ---------------------------------------------------------------------
+/* This creates a Group and the Package to link this dependency to if
+ needed and handles also the caching of the old endpoint */
+bool pkgCacheGenerator::ListParser::NewDepends(pkgCache::VerIterator &Ver,
+ const string &PackageName,
+ const string &Arch,
+ const string &Version,
+ unsigned int Op,
+ unsigned int Type)
+{
+ pkgCache::GrpIterator Grp;
+ Dynamic<pkgCache::GrpIterator> DynGrp(Grp);
+ if (unlikely(Owner->NewGroup(Grp, PackageName) == false))
+ return false;
+
+ // Locate the target package
+ pkgCache::PkgIterator Pkg = Grp.FindPkg(Arch);
+ // we don't create 'none' packages and their dependencies if we can avoid it …
+ if (Pkg.end() == true && Arch == "none" && strcmp(Ver.ParentPkg().Arch(), "none") != 0)
+ return true;
+ Dynamic<pkgCache::PkgIterator> DynPkg(Pkg);
+ if (Pkg.end() == true) {
+ if (unlikely(Owner->NewPackage(Pkg, PackageName, Arch) == false))
+ return false;
+ }
+
+ // Is it a file dependency?
+ if (unlikely(PackageName[0] == '/'))
+ FoundFileDeps = true;
+
+ /* Caching the old end point speeds up generation substantially */
+ if (OldDepVer != Ver) {
+ OldDepLast = NULL;
+ OldDepVer = Ver;
+ }
+
+ return Owner->NewDepends(Pkg, Ver, Version, Op, Type, OldDepLast);
+}
+ /*}}}*/
// ListParser::NewProvides - Create a Provides element /*{{{*/
// ---------------------------------------------------------------------
/* */
-bool pkgCacheGenerator::ListParser::NewProvides(pkgCache::VerIterator Ver,
- const string &PackageName,
+bool pkgCacheGenerator::ListParser::NewProvides(pkgCache::VerIterator &Ver,
+ const string &PkgName,
+ const string &PkgArch,
const string &Version)
{
pkgCache &Cache = Owner->Cache;
// We do not add self referencing provides
- if (Ver.ParentPkg().Name() == PackageName)
+ if (Ver.ParentPkg().Name() == PkgName && (PkgArch == Ver.ParentPkg().Arch() ||
+ (PkgArch == "all" && strcmp((Cache.StrP + Cache.HeaderP->Architecture), Ver.ParentPkg().Arch()) == 0)))
return true;
// Get a structure
- unsigned long Provides = Owner->Map.Allocate(sizeof(pkgCache::Provides));
- if (Provides == 0)
+ map_ptrloc const Provides = Owner->AllocateInMap(sizeof(pkgCache::Provides));
+ if (unlikely(Provides == 0))
return false;
Cache.HeaderP->ProvidesCount++;
// Fill it in
pkgCache::PrvIterator Prv(Cache,Cache.ProvideP + Provides,Cache.PkgP);
+ Dynamic<pkgCache::PrvIterator> DynPrv(Prv);
Prv->Version = Ver.Index();
Prv->NextPkgProv = Ver->ProvidesList;
Ver->ProvidesList = Prv.Index();
- if (Version.empty() == false && (Prv->ProvideVersion = WriteString(Version)) == 0)
+ if (Version.empty() == false && unlikely((Prv->ProvideVersion = WriteString(Version)) == 0))
return false;
// Locate the target package
pkgCache::PkgIterator Pkg;
- if (Owner->NewPackage(Pkg,PackageName) == false)
+ Dynamic<pkgCache::PkgIterator> DynPkg(Pkg);
+ if (unlikely(Owner->NewPackage(Pkg,PkgName, PkgArch) == false))
return false;
// Link it to the package
unsigned long Flags)
{
// Get some space for the structure
- CurrentFile = Cache.PkgFileP + Map.Allocate(sizeof(*CurrentFile));
- if (CurrentFile == Cache.PkgFileP)
+ map_ptrloc const idxFile = AllocateInMap(sizeof(*CurrentFile));
+ if (unlikely(idxFile == 0))
return false;
-
+ CurrentFile = Cache.PkgFileP + idxFile;
+
// Fill it in
- CurrentFile->FileName = Map.WriteString(File);
- CurrentFile->Site = WriteUniqString(Site);
+ map_ptrloc const idxFileName = WriteStringInMap(File);
+ map_ptrloc const idxSite = WriteUniqString(Site);
+ if (unlikely(idxFileName == 0 || idxSite == 0))
+ return false;
+ CurrentFile->FileName = idxFileName;
+ CurrentFile->Site = idxSite;
CurrentFile->NextFile = Cache.HeaderP->FileList;
CurrentFile->Flags = Flags;
CurrentFile->ID = Cache.HeaderP->PackageFileCount;
- CurrentFile->IndexType = WriteUniqString(Index.GetType()->Label);
+ map_ptrloc const idxIndexType = WriteUniqString(Index.GetType()->Label);
+ if (unlikely(idxIndexType == 0))
+ return false;
+ CurrentFile->IndexType = idxIndexType;
PkgFileName = File;
Cache.HeaderP->FileList = CurrentFile - Cache.PkgFileP;
Cache.HeaderP->PackageFileCount++;
- if (CurrentFile->FileName == 0)
- return false;
-
if (Progress != 0)
Progress->SubProgress(Index.Size());
return true;
}
// Get a structure
- unsigned long Item = Map.Allocate(sizeof(pkgCache::StringItem));
+ void const * const oldMap = Map.Data();
+ map_ptrloc const Item = AllocateInMap(sizeof(pkgCache::StringItem));
if (Item == 0)
return 0;
+ map_ptrloc const idxString = WriteStringInMap(S,Size);
+ if (unlikely(idxString == 0))
+ return 0;
+ if (oldMap != Map.Data()) {
+ Last += (map_ptrloc*) Map.Data() - (map_ptrloc*) oldMap;
+ I += (pkgCache::StringItem*) Map.Data() - (pkgCache::StringItem*) oldMap;
+ }
+ *Last = Item;
+
// Fill in the structure
pkgCache::StringItem *ItemP = Cache.StringItemP + Item;
ItemP->NextItem = I - Cache.StringItemP;
- *Last = Item;
- ItemP->String = Map.WriteString(S,Size);
- if (ItemP->String == 0)
- return 0;
-
+ ItemP->String = idxString;
+
Bucket = ItemP;
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,
has matching attributes with the cache and the cache does not have
any extra files. */
-static bool CheckValidity(const string &CacheFile, FileIterator Start,
- FileIterator End,MMap **OutMap = 0)
+static bool CheckValidity(const string &CacheFile,
+ pkgSourceList &List,
+ FileIterator Start,
+ FileIterator End,
+ MMap **OutMap = 0)
{
+ bool const Debug = _config->FindB("Debug::pkgCacheGen", false);
// No file, certainly invalid
if (CacheFile.empty() == true || FileExists(CacheFile) == false)
+ {
+ if (Debug == true)
+ std::clog << "CacheFile doesn't exist" << std::endl;
return false;
-
+ }
+
+ if (List.GetLastModifiedTime() > GetModificationTime(CacheFile))
+ {
+ if (Debug == true)
+ std::clog << "sources.list is newer than the cache" << std::endl;
+ return false;
+ }
+
// 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)
{
+ if (Debug == true)
+ std::clog << "Errors are pending or Map is empty()" << std::endl;
_error->Discard();
return false;
}
verify the IMS data and check that it is on the disk too.. */
SPtrArray<bool> Visited = new bool[Cache.HeaderP->PackageFileCount];
memset(Visited,0,sizeof(*Visited)*Cache.HeaderP->PackageFileCount);
- for (; Start != End; Start++)
- {
+ for (; Start != End; ++Start)
+ {
+ if (Debug == true)
+ std::clog << "Checking PkgFile " << (*Start)->Describe() << ": ";
if ((*Start)->HasPackages() == false)
+ {
+ if (Debug == true)
+ std::clog << "Has NO packages" << std::endl;
continue;
+ }
if ((*Start)->Exists() == false)
{
_error->WarningE("stat",_("Couldn't stat source package list %s"),
(*Start)->Describe().c_str());
#endif
+ if (Debug == true)
+ std::clog << "file doesn't exist" << std::endl;
continue;
}
// FindInCache is also expected to do an IMS check.
pkgCache::PkgFileIterator File = (*Start)->FindInCache(Cache);
if (File.end() == true)
+ {
+ if (Debug == true)
+ std::clog << "FindInCache returned end-Pointer" << std::endl;
return false;
+ }
Visited[File->ID] = true;
+ if (Debug == true)
+ std::clog << "with ID " << File->ID << " is valid" << std::endl;
}
for (unsigned I = 0; I != Cache.HeaderP->PackageFileCount; I++)
if (Visited[I] == false)
+ {
+ if (Debug == true)
+ std::clog << "File with ID" << I << " wasn't visited" << std::endl;
return false;
+ }
if (_error->PendingError() == true)
{
+ if (Debug == true)
+ {
+ std::clog << "Validity failed because of pending errors:" << std::endl;
+ _error->DumpErrors();
+ }
_error->Discard();
return false;
}
static unsigned long ComputeSize(FileIterator Start,FileIterator End)
{
unsigned long TotalSize = 0;
- for (; Start != End; Start++)
+ for (; Start != End; ++Start)
{
if ((*Start)->HasPackages() == false)
continue;
// ---------------------------------------------------------------------
/* */
static bool BuildCache(pkgCacheGenerator &Gen,
- OpProgress &Progress,
+ OpProgress *Progress,
unsigned long &CurrentSize,unsigned long TotalSize,
FileIterator Start, FileIterator End)
{
FileIterator I;
- for (I = Start; I != End; I++)
+ for (I = Start; I != End; ++I)
{
if ((*I)->HasPackages() == false)
continue;
}
unsigned long Size = (*I)->Size();
- Progress.OverallProgress(CurrentSize,TotalSize,Size,_("Reading package lists"));
+ if (Progress != NULL)
+ Progress->OverallProgress(CurrentSize,TotalSize,Size,_("Reading package lists"));
CurrentSize += Size;
if ((*I)->Merge(Gen,Progress) == false)
if (Gen.HasFileDeps() == true)
{
- Progress.Done();
+ if (Progress != NULL)
+ Progress->Done();
TotalSize = ComputeSize(Start, End);
CurrentSize = 0;
- for (I = Start; I != End; I++)
+ for (I = Start; I != End; ++I)
{
unsigned long Size = (*I)->Size();
- Progress.OverallProgress(CurrentSize,TotalSize,Size,_("Collecting File Provides"));
+ if (Progress != NULL)
+ Progress->OverallProgress(CurrentSize,TotalSize,Size,_("Collecting File Provides"));
CurrentSize += Size;
if ((*I)->MergeFileProvides(Gen,Progress) == false)
return false;
return true;
}
/*}}}*/
-// MakeStatusCache - Construct the status cache /*{{{*/
+// CacheGenerator::CreateDynamicMMap - load an mmap with configuration options /*{{{*/
+DynamicMMap* pkgCacheGenerator::CreateDynamicMMap(FileFd *CacheF, unsigned long Flags) {
+ unsigned long const MapStart = _config->FindI("APT::Cache-Start", 24*1024*1024);
+ unsigned long const MapGrow = _config->FindI("APT::Cache-Grow", 1*1024*1024);
+ unsigned long const MapLimit = _config->FindI("APT::Cache-Limit", 0);
+ Flags |= MMap::Moveable;
+ if (_config->FindB("APT::Cache-Fallback", false) == true)
+ Flags |= MMap::Fallback;
+ if (CacheF != NULL)
+ return new DynamicMMap(*CacheF, Flags, MapStart, MapGrow, MapLimit);
+ else
+ return new DynamicMMap(Flags, MapStart, MapGrow, MapLimit);
+}
+ /*}}}*/
+// CacheGenerator::MakeStatusCache - Construct the status cache /*{{{*/
// ---------------------------------------------------------------------
/* This makes sure that the status cache (the cache that has all
index files from the sources list and all local ones) is ready
the cache will be stored there. This is pretty much mandetory if you
are using AllowMem. AllowMem lets the function be run as non-root
where it builds the cache 'fast' into a memory buffer. */
-bool pkgMakeStatusCache(pkgSourceList &List,OpProgress &Progress,
+__deprecated bool pkgMakeStatusCache(pkgSourceList &List,OpProgress &Progress,
+ MMap **OutMap, bool AllowMem)
+ { return pkgCacheGenerator::MakeStatusCache(List, &Progress, OutMap, AllowMem); }
+bool pkgCacheGenerator::MakeStatusCache(pkgSourceList &List,OpProgress *Progress,
MMap **OutMap,bool AllowMem)
{
- unsigned long MapSize = _config->FindI("APT::Cache-Limit",24*1024*1024);
-
- vector<pkgIndexFile *> Files;
- for (vector<metaIndex *>::const_iterator i = List.begin();
+ bool const Debug = _config->FindB("Debug::pkgCacheGen", false);
+
+
std::vector<pkgIndexFile *> Files;
+ for (std::vector<metaIndex *>::const_iterator i = List.begin();
i != List.end();
- i++)
+ ++i)
{
- vector <pkgIndexFile *> *Indexes = (*i)->GetIndexFiles();
- for (vector<pkgIndexFile *>::const_iterator j = Indexes->begin();
+
std::vector <pkgIndexFile *> *Indexes = (*i)->GetIndexFiles();
+ for (
std::vector<pkgIndexFile *>::const_iterator j = Indexes->begin();
j != Indexes->end();
- j++)
+ ++j)
Files.push_back (*j);
}
- unsigned long EndOfSource = Files.size();
+ unsigned long const 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");
-
+ string const CacheFile = _config->FindFile("Dir::Cache::pkgcache");
+ string const SrcCacheFile = _config->FindFile("Dir::Cache::srcpkgcache");
+
+ // ensure the cache directory exists
+ if (CacheFile.empty() == false || SrcCacheFile.empty() == false)
+ {
+ string dir = _config->FindDir("Dir::Cache");
+ size_t const len = dir.size();
+ if (len > 5 && dir.find("/apt/", len - 6, 5) == len - 5)
+ dir = dir.substr(0, len - 5);
+ if (CacheFile.empty() == false)
+ CreateDirectory(dir, flNotFile(CacheFile));
+ if (SrcCacheFile.empty() == false)
+ CreateDirectory(dir, flNotFile(SrcCacheFile));
+ }
+
// Decide if we can write to the cache
bool Writeable = false;
if (CacheFile.empty() == false)
else
if (SrcCacheFile.empty() == false)
Writeable = access(flNotFile(SrcCacheFile).c_str(),W_OK) == 0;
-
+ if (Debug == true)
+ std::clog << "Do we have write-access to the cache files? " << (Writeable ? "YES" : "NO") << std::endl;
+
if (Writeable == false && AllowMem == false && CacheFile.empty() == false)
return _error->Error(_("Unable to write to %s"),flNotFile(CacheFile).c_str());
-
- Progress.OverallProgress(0,1,1,_("Reading package lists"));
-
+
+ if (Progress != NULL)
+ Progress->OverallProgress(0,1,1,_("Reading package lists"));
+
// Cache is OK, Fin.
- if (CheckValidity(CacheFile,Files.begin(),Files.end(),OutMap) == true)
+ if (CheckValidity(CacheFile, List, Files.begin(),Files.end(),OutMap) == true)
{
- Progress.OverallProgress(1,1,1,_("Reading package lists"));
+ if (Progress != NULL)
+ Progress->OverallProgress(1,1,1,_("Reading package lists"));
+ if (Debug == true)
+ std::clog << "pkgcache.bin is valid - no need to build anything" << std::endl;
return true;
}
+ else if (Debug == true)
+ std::clog << "pkgcache.bin is NOT valid" << std::endl;
/* At this point we know we need to reconstruct the package cache,
begin. */
SPtr<DynamicMMap> Map;
if (Writeable == true && CacheFile.empty() == false)
{
+ _error->PushToStack();
unlink(CacheFile.c_str());
- CacheF = new FileFd(CacheFile,FileFd::WriteEmpty);
+ CacheF = new FileFd(CacheFile,FileFd::WriteAtomic);
fchmod(CacheF->Fd(),0644);
- Map = new DynamicMMap(*CacheF,MMap::Public,MapSize);
+ Map = CreateDynamicMMap(CacheF, MMap::Public);
if (_error->PendingError() == true)
- return false;
+ {
+ delete CacheF.UnGuard();
+ delete Map.UnGuard();
+ if (Debug == true)
+ std::clog << "Open filebased MMap FAILED" << std::endl;
+ Writeable = false;
+ if (AllowMem == false)
+ {
+ _error->MergeWithStack();
+ return false;
+ }
+ _error->RevertToStack();
+ }
+ else
+ {
+ _error->MergeWithStack();
+ if (Debug == true)
+ std::clog << "Open filebased MMap" << std::endl;
+ }
}
- else
+ if (Writeable == false || CacheFile.empty() == true)
{
// Just build it in memory..
- Map = new DynamicMMap(MMap::Public,MapSize);
+ Map = CreateDynamicMMap(NULL);
+ if (Debug == true)
+ std::clog << "Open memory Map (not filebased)" << std::endl;
}
// Lets try the source cache.
unsigned long CurrentSize = 0;
unsigned long TotalSize = 0;
- if (CheckValidity(SrcCacheFile,Files.begin(),
+ if (CheckValidity(SrcCacheFile, List, Files.begin(),
Files.begin()+EndOfSource) == true)
{
+ if (Debug == true)
+ std::clog << "srcpkgcache.bin is valid - populate MMap with it." << std::endl;
// 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 const 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());
-
+
// Build the status cache
- pkgCacheGenerator Gen(Map.Get(),&Progress);
+ pkgCacheGenerator Gen(Map.Get(),Progress);
if (_error->PendingError() == true)
return false;
if (BuildCache(Gen,Progress,CurrentSize,TotalSize,
}
else
{
+ if (Debug == true)
+ std::clog << "srcpkgcache.bin is NOT valid - rebuild" << std::endl;
TotalSize = ComputeSize(Files.begin(),Files.end());
// Build the source cache
- pkgCacheGenerator Gen(Map.Get(),&Progress);
+ pkgCacheGenerator Gen(Map.Get(),Progress);
if (_error->PendingError() == true)
return false;
if (BuildCache(Gen,Progress,CurrentSize,TotalSize,
// Write it back
if (Writeable == true && SrcCacheFile.empty() == false)
{
- FileFd SCacheF(SrcCacheFile,FileFd::WriteEmpty);
+ FileFd SCacheF(SrcCacheFile,FileFd::WriteAtomic);
if (_error->PendingError() == true)
return false;
Files.begin()+EndOfSource,Files.end()) == false)
return false;
}
+ if (Debug == true)
+ std::clog << "Caches are ready for shipping" << std::endl;
if (_error->PendingError() == true)
return false;
if (CacheF != 0)
{
delete Map.UnGuard();
- *OutMap = new MMap(*CacheF,MMap::Public | MMap::ReadOnly);
+ *OutMap = new MMap(*CacheF,0);
}
else
{
return true;
}
/*}}}*/
-// MakeOnlyStatusCache - Build a cache with just the status files /*{{{*/
+// CacheGenerator::MakeOnlyStatusCache - Build only a status files cache/*{{{*/
// ---------------------------------------------------------------------
/* */
-bool pkgMakeOnlyStatusCache(OpProgress &Progress,DynamicMMap **OutMap)
+__deprecated bool pkgMakeOnlyStatusCache(OpProgress &Progress,DynamicMMap **OutMap)
+ { return pkgCacheGenerator::MakeOnlyStatusCache(&Progress, OutMap); }
+bool pkgCacheGenerator::MakeOnlyStatusCache(OpProgress *Progress,DynamicMMap **OutMap)
{
- unsigned long MapSize = _config->FindI("APT::Cache-Limit",20*1024*1024);
- vector<pkgIndexFile *> Files;
+ std::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 = CreateDynamicMMap(NULL);
unsigned long CurrentSize = 0;
unsigned long TotalSize = 0;
TotalSize = ComputeSize(Files.begin()+EndOfSource,Files.end());
// Build the status cache
- Progress.OverallProgress(0,1,1,_("Reading package lists"));
- pkgCacheGenerator Gen(Map.Get(),&Progress);
+ if (Progress != NULL)
+ Progress->OverallProgress(0,1,1,_("Reading package lists"));
+ pkgCacheGenerator Gen(Map.Get(),Progress);
if (_error->PendingError() == true)
return false;
if (BuildCache(Gen,Progress,CurrentSize,TotalSize,
Files.begin()+EndOfSource,Files.end()) == false)
return false;
-
+
if (_error->PendingError() == true)
return false;
*OutMap = Map.UnGuard();
return true;
}
/*}}}*/
+// IsDuplicateDescription /*{{{*/
+static bool IsDuplicateDescription(pkgCache::DescIterator Desc,
+ MD5SumValue const &CurMd5, std::string const &CurLang)
+{
+ // Descriptions in the same link-list have all the same md5
+ if (Desc.end() == true || MD5SumValue(Desc.md5()) != CurMd5)
+ return false;
+ for (; Desc.end() == false; ++Desc)
+ if (Desc.LanguageCode() == CurLang)
+ return true;
+ return false;
+}
+ /*}}}*/
+// CacheGenerator::FinishCache /*{{{*/
+bool pkgCacheGenerator::FinishCache(OpProgress *Progress)
+{
+ return true;
+}
+ /*}}}*/
projects / apt.git / blobdiff