##################################################################### */
/*}}}*/
// Include Files /*{{{*/
-#ifdef __GNUG__
-#pragma implementation "apt-pkg/pkgcachegen.h"
-#endif
-
-#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/strutl.h>
-#include <apt-pkg/sptr.h>
#include <apt-pkg/pkgsystem.h>
+#include <apt-pkg/macros.h>
+#include <apt-pkg/metaindex.h>
+#include <apt-pkg/fileutl.h>
+#include <apt-pkg/hashsum_template.h>
+#include <apt-pkg/indexfile.h>
+#include <apt-pkg/md5.h>
+#include <apt-pkg/mmap.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
-#include <apt-pkg/tagfile.h>
-
-#include <apti18n.h>
-
+#include <stddef.h>
+#include <string.h>
+#include <iostream>
+#include <string>
#include <vector>
-
+#include <memory>
+#include <algorithm>
#include <sys/stat.h>
#include <unistd.h>
-#include <errno.h>
-#include <stdio.h>
-#include <system.h>
+
+#include <apti18n.h>
/*}}}*/
-typedef vector<pkgIndexFile *>::iterator FileIterator;
+template<class T> using Dynamic = pkgCacheGenerator::Dynamic<T>;
+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;
+using APT::StringView;
// 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)
+ CurrentRlsFile(NULL), CurrentFile(NULL), d(NULL)
+{
+}
+bool pkgCacheGenerator::Start()
{
- CurrentFile = 0;
- memset(UniqHash,0,sizeof(UniqHash));
-
- if (_error->PendingError() == true)
- return;
-
if (Map.Size() == 0)
{
// Setup the map interface..
Cache.HeaderP = (pkgCache::Header *)Map.Data();
+ _error->PushToStack();
Map.RawAllocate(sizeof(pkgCache::Header));
+ bool const newError = _error->PendingError();
+ _error->MergeWithStack();
+ if (newError)
+ return false;
+ if (Map.Size() <= 0)
+ return false;
+
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();
+
+ // make room for the hashtables for packages and groups
+ if (Map.RawAllocate(2 * (Cache.HeaderP->GetHashTableSize() * sizeof(map_pointer_t))) == 0)
+ return false;
+
+ map_stringitem_t const idxVerSysName = WriteStringInMap(_system->VS->Label);
+ if (unlikely(idxVerSysName == 0))
+ return false;
+ map_stringitem_t const idxArchitecture = StoreString(MIXED, _config->Find("APT::Architecture"));
+ if (unlikely(idxArchitecture == 0))
+ return false;
+ map_stringitem_t idxArchitectures;
+
+ std::vector<std::string> archs = APT::Configuration::getArchitectures();
+ if (archs.size() > 1)
+ {
+ std::vector<std::string>::const_iterator a = archs.begin();
+ std::string list = *a;
+ for (++a; a != archs.end(); ++a)
+ list.append(",").append(*a);
+ idxArchitectures = WriteStringInMap(list);
+ if (unlikely(idxArchitectures == 0))
+ return false;
+ }
+ else
+ idxArchitectures = idxArchitecture;
+
+ Cache.HeaderP = (pkgCache::Header *)Map.Data();
+ Cache.HeaderP->VerSysName = idxVerSysName;
+ Cache.HeaderP->Architecture = idxArchitecture;
+ Cache.HeaderP->SetArchitectures(idxArchitectures);
+
+ // Calculate the hash for the empty map, so ReMap does not fail
+ Cache.HeaderP->CacheFileSize = Cache.CacheHash();
+ Cache.ReMap();
}
else
{
Cache.ReMap();
Map.UsePools(*Cache.HeaderP->Pools,sizeof(Cache.HeaderP->Pools)/sizeof(Cache.HeaderP->Pools[0]));
if (Cache.VS != _system->VS)
- {
- _error->Error(_("Cache has an incompatible versioning system"));
- return;
- }
+ return _error->Error(_("Cache has an incompatible versioning system"));
}
-
+
Cache.HeaderP->Dirty = true;
Map.Sync(0,sizeof(pkgCache::Header));
+ return true;
}
/*}}}*/
// CacheGenerator::~pkgCacheGenerator - Destructor /*{{{*/
advoid a problem during a crash */
pkgCacheGenerator::~pkgCacheGenerator()
{
- if (_error->PendingError() == true)
+ if (_error->PendingError() == true || Map.validData() == false)
return;
if (Map.Sync() == false)
return;
Cache.HeaderP->Dirty = false;
+ Cache.HeaderP->CacheFileSize = Cache.CacheHash();
+
+ if (_config->FindB("Debug::pkgCacheGen", false))
+ std::clog << "Produced cache with hash " << Cache.HeaderP->CacheFileSize << std::endl;
Map.Sync(0,sizeof(pkgCache::Header));
}
/*}}}*/
+void pkgCacheGenerator::ReMap(void const * const oldMap, void const * const newMap, size_t oldSize) {/*{{{*/
+ // Prevent multiple remaps of the same iterator. If seen.insert(iterator)
+ // returns (something, true) the iterator was not yet seen and we can
+ // remap it.
+ std::unordered_set<void *> seen;
+ 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 const * const) newMap - (pkgCache::PackageFile const * const) oldMap;
+ CurrentRlsFile += (pkgCache::ReleaseFile const * const) newMap - (pkgCache::ReleaseFile const * const) oldMap;
+
+ for (std::vector<pkgCache::GrpIterator*>::const_iterator i = Dynamic<pkgCache::GrpIterator>::toReMap.begin();
+ i != Dynamic<pkgCache::GrpIterator>::toReMap.end(); ++i)
+ if (std::get<1>(seen.insert(*i)) == true)
+ (*i)->ReMap(oldMap, newMap);
+ for (std::vector<pkgCache::PkgIterator*>::const_iterator i = Dynamic<pkgCache::PkgIterator>::toReMap.begin();
+ i != Dynamic<pkgCache::PkgIterator>::toReMap.end(); ++i)
+ if (std::get<1>(seen.insert(*i)) == true)
+ (*i)->ReMap(oldMap, newMap);
+ for (std::vector<pkgCache::VerIterator*>::const_iterator i = Dynamic<pkgCache::VerIterator>::toReMap.begin();
+ i != Dynamic<pkgCache::VerIterator>::toReMap.end(); ++i)
+ if (std::get<1>(seen.insert(*i)) == true)
+ (*i)->ReMap(oldMap, newMap);
+ for (std::vector<pkgCache::DepIterator*>::const_iterator i = Dynamic<pkgCache::DepIterator>::toReMap.begin();
+ i != Dynamic<pkgCache::DepIterator>::toReMap.end(); ++i)
+ if (std::get<1>(seen.insert(*i)) == true)
+ (*i)->ReMap(oldMap, newMap);
+ for (std::vector<pkgCache::DescIterator*>::const_iterator i = Dynamic<pkgCache::DescIterator>::toReMap.begin();
+ i != Dynamic<pkgCache::DescIterator>::toReMap.end(); ++i)
+ if (std::get<1>(seen.insert(*i)) == true)
+ (*i)->ReMap(oldMap, newMap);
+ for (std::vector<pkgCache::PrvIterator*>::const_iterator i = Dynamic<pkgCache::PrvIterator>::toReMap.begin();
+ i != Dynamic<pkgCache::PrvIterator>::toReMap.end(); ++i)
+ if (std::get<1>(seen.insert(*i)) == true)
+ (*i)->ReMap(oldMap, newMap);
+ for (std::vector<pkgCache::PkgFileIterator*>::const_iterator i = Dynamic<pkgCache::PkgFileIterator>::toReMap.begin();
+ i != Dynamic<pkgCache::PkgFileIterator>::toReMap.end(); ++i)
+ if (std::get<1>(seen.insert(*i)) == true)
+ (*i)->ReMap(oldMap, newMap);
+ for (std::vector<pkgCache::RlsFileIterator*>::const_iterator i = Dynamic<pkgCache::RlsFileIterator>::toReMap.begin();
+ i != Dynamic<pkgCache::RlsFileIterator>::toReMap.end(); ++i)
+ if (std::get<1>(seen.insert(*i)) == true)
+ (*i)->ReMap(oldMap, newMap);
+ for (APT::StringView* ViewP : Dynamic<APT::StringView>::toReMap) {
+ if (std::get<1>(seen.insert(ViewP)) == false)
+ continue;
+ // Ignore views outside of the cache.
+ if (ViewP->data() < static_cast<const char*>(oldMap)
+ || ViewP->data() > static_cast<const char*>(oldMap) + oldSize)
+ continue;
+ const char *data = ViewP->data() + (static_cast<const char*>(newMap) - static_cast<const char*>(oldMap));
+ *ViewP = StringView(data , ViewP->size());
+ }
+} /*}}}*/
+// CacheGenerator::WriteStringInMap /*{{{*/
+map_stringitem_t pkgCacheGenerator::WriteStringInMap(const char *String,
+ const unsigned long &Len) {
+ size_t oldSize = Map.Size();
+ void const * const oldMap = Map.Data();
+ map_stringitem_t const index = Map.WriteString(String, Len);
+ if (index != 0)
+ ReMap(oldMap, Map.Data(), oldSize);
+ return index;
+}
+ /*}}}*/
+// CacheGenerator::WriteStringInMap /*{{{*/
+map_stringitem_t pkgCacheGenerator::WriteStringInMap(const char *String) {
+ size_t oldSize = Map.Size();
+ void const * const oldMap = Map.Data();
+ map_stringitem_t const index = Map.WriteString(String);
+ if (index != 0)
+ ReMap(oldMap, Map.Data(), oldSize);
+ return index;
+}
+ /*}}}*/
+map_pointer_t pkgCacheGenerator::AllocateInMap(const unsigned long &size) {/*{{{*/
+ size_t oldSize = Map.Size();
+ void const * const oldMap = Map.Data();
+ map_pointer_t const index = Map.Allocate(size);
+ if (index != 0)
+ ReMap(oldMap, Map.Data(), oldSize);
+ 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();
+ APT::StringView Arch = List.Architecture();
+ Dynamic<APT::StringView> DynArch(Arch);
+ APT::StringView Version = List.Version();
+ Dynamic<APT::StringView> DynVersion(Version);
+ if (Version.empty() == true && Arch.empty() == true)
+ {
+ // package descriptions
+ if (MergeListGroup(List, PackageName) == false)
+ return false;
+ continue;
+ }
+
+ // 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 occured while processing %s (NewFileDesc1)"),PackageName.c_str());
- break;
- }
- }
- }
+ if (OutVer != 0)
+ return true;
+ }
+
+ if (Cache.HeaderP->PackageCount >= std::numeric_limits<map_id_t>::max())
+ return _error->Error(_("Wow, you exceeded the number of package "
+ "names this APT is capable of."));
+ if (Cache.HeaderP->VersionCount >= std::numeric_limits<map_id_t>::max())
+ return _error->Error(_("Wow, you exceeded the number of versions "
+ "this APT is capable of."));
+ if (Cache.HeaderP->DescriptionCount >= std::numeric_limits<map_id_t>::max())
+ return _error->Error(_("Wow, you exceeded the number of descriptions "
+ "this APT is capable of."));
+ if (Cache.HeaderP->DependsCount >= std::numeric_limits<map_id_t>::max())
+ return _error->Error(_("Wow, you exceeded the number of dependencies "
+ "this APT is capable of."));
+
+ 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::vector<std::string> availDesc = List.AvailableDescriptionLanguages();
+ for (Ver = Pkg.VersionList(); Ver.end() == false; ++Ver)
+ {
+ pkgCache::DescIterator VerDesc = Ver.DescriptionList();
+ // a version can only have one md5 describing it
+ if (VerDesc.end() == true || MD5SumValue(VerDesc.md5()) != CurMd5)
continue;
+
+ map_stringitem_t md5idx = VerDesc->md5sum;
+ for (std::vector<std::string>::const_iterator CurLang = availDesc.begin(); CurLang != availDesc.end(); ++CurLang)
+ {
+ // don't add a new description if we have one for the given
+ // md5 && language
+ if (IsDuplicateDescription(VerDesc, CurMd5, *CurLang) == true)
+ continue;
+
+ AddNewDescription(List, Ver, *CurLang, CurMd5, md5idx);
}
- pkgCache::VerIterator Ver = Pkg.VersionList();
- map_ptrloc *LastVer = &Pkg->VersionList;
+ // 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,
+ APT::StringView const &Version, pkgCache::VerIterator* &OutVer)
+{
+ pkgCache::VerIterator Ver = Pkg.VersionList();
+ Dynamic<pkgCache::VerIterator> DynVer(Ver);
+ map_pointer_t *LastVer = &Pkg->VersionList;
+ void const * oldMap = Map.Data();
+
+ unsigned short 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++)
+ for (; Ver.end() == false; LastVer = &Ver->NextVer, ++Ver)
{
- Res = Cache.VS->CmpVersion(Version,Ver.VerStr());
- if (Res >= 0)
+ char const * const VerStr = Ver.VerStr();
+ Res = Cache.VS->DoCmpVersion(Version.data(), Version.data() + Version.length(),
+ VerStr, VerStr + strlen(VerStr));
+ // Version is higher as current version - insert here
+ if (Res > 0)
break;
+ // Versionstrings are equal - is hash also equal?
+ if (Res == 0)
+ {
+ if (List.SameVersion(Hash, Ver) == true)
+ break;
+ // sort (volatile) sources above not-sources like the status file
+ if ((CurrentFile->Flags & pkgCache::Flag::NotSource) == 0)
+ {
+ auto VF = Ver.FileList();
+ for (; VF.end() == false; ++VF)
+ if (VF.File().Flagged(pkgCache::Flag::NotSource) == false)
+ break;
+ if (VF.end() == true)
+ 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)
- {
- for (; Ver.end() == false; LastVer = &Ver->NextVer, Ver++)
- {
- Res = Cache.VS->CmpVersion(Version,Ver.VerStr());
- if (Res != 0)
- break;
- }
+ return true;
}
+ }
- // Add a new version
- *LastVer = NewVersion(Ver,Version,*LastVer);
- Ver->ParentPkg = Pkg.Index();
- Ver->Hash = Hash;
+ // Add a new version
+ map_pointer_t const verindex = NewVersion(Ver, Version, Pkg.Index(), Hash, *LastVer);
+ if (unlikely(verindex == 0))
+ return _error->Error(_("Error occurred while processing %s (%s%d)"),
+ Pkg.Name(), "NewVersion", 1);
- if (List.NewVersion(Ver) == false)
- return _error->Error(_("Error occurred while processing %s (NewVersion1)"),
- PackageName.c_str());
+ if (oldMap != Map.Data())
+ LastVer += (map_pointer_t const * const) Map.Data() - (map_pointer_t const * const) oldMap;
+ *LastVer = verindex;
- 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());
+ if (unlikely(List.NewVersion(Ver) == false))
+ return _error->Error(_("Error occurred while processing %s (%s%d)"),
+ Pkg.Name(), "NewVersion", 2);
- // Read only a single record and return
- if (OutVer != 0)
+ 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))
{
- *OutVer = Ver;
- FoundFileDeps |= List.HasFileDeps();
- return true;
- }
+ 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);
+ }
+ }
+ if (unlikely(AddImplicitDepends(Grp, Pkg, Ver) == false))
+ return _error->Error(_("Error occurred while processing %s (%s%d)"),
+ Pkg.Name(), "AddImplicitDepends", 2);
- /* 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++);
+ // Read only a single record and return
+ if (OutVer != 0)
+ {
+ *OutVer = Ver;
+ return true;
+ }
- // Add new description
- *LastDesc = NewDescription(Desc, List.DescriptionLanguage(), List.Description_md5(), *LastDesc);
- Desc->ParentPkg = Pkg.Index();
+ /* Record the Description(s) based on their master md5sum */
+ MD5SumValue CurMd5 = List.Description_md5();
- if (NewFileDesc(Desc,List) == false)
- return _error->Error(_("Error occured while processing %s (NewFileDesc2)"),PackageName.c_str());
+ /* 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)
+ {
+ if (V->DescriptionList == 0 || MD5SumValue(V.DescriptionList().md5()) != CurMd5)
+ continue;
+ Ver->DescriptionList = V->DescriptionList;
+ }
}
- FoundFileDeps |= List.HasFileDeps();
+ // We haven't found reusable descriptions, so add the first description(s)
+ map_stringitem_t md5idx = Ver->DescriptionList == 0 ? 0 : Ver.DescriptionList()->md5sum;
+ std::vector<std::string> availDesc = List.AvailableDescriptionLanguages();
+ for (std::vector<std::string>::const_iterator CurLang = availDesc.begin(); CurLang != availDesc.end(); ++CurLang)
+ if (AddNewDescription(List, Ver, *CurLang, CurMd5, md5idx) == false)
+ return false;
+ return true;
+}
+ /*}}}*/
+bool pkgCacheGenerator::AddNewDescription(ListParser &List, pkgCache::VerIterator &Ver, std::string const &lang, MD5SumValue const &CurMd5, map_stringitem_t &md5idx) /*{{{*/
+{
+ pkgCache::DescIterator Desc;
+ Dynamic<pkgCache::DescIterator> DynDesc(Desc);
+
+ map_pointer_t const descindex = NewDescription(Desc, lang, CurMd5, md5idx);
+ if (unlikely(descindex == 0))
+ return _error->Error(_("Error occurred while processing %s (%s%d)"),
+ Ver.ParentPkg().Name(), "NewDescription", 1);
+
+ md5idx = Desc->md5sum;
+ Desc->ParentPkg = Ver.ParentPkg().Index();
+
+ // we add at the end, so that the start is constant as we need
+ // that to be able to efficiently share these lists
+ pkgCache::DescIterator VerDesc = Ver.DescriptionList(); // old value might be invalid after ReMap
+ for (;VerDesc.end() == false && VerDesc->NextDesc != 0; ++VerDesc);
+ map_pointer_t * const LastNextDesc = (VerDesc.end() == true) ? &Ver->DescriptionList : &VerDesc->NextDesc;
+ *LastNextDesc = descindex;
+
+ if (NewFileDesc(Desc,List) == false)
+ return _error->Error(_("Error occurred while processing %s (%s%d)"),
+ Ver.ParentPkg().Name(), "NewFileDesc", 1);
- 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 /*{{{*/
+ /*}}}*/
+// CacheGenerator::NewGroup - Add a new group /*{{{*/
// ---------------------------------------------------------------------
-/* If we found any file depends while parsing the main list we need to
- resolve them. Since it is undesired to load the entire list of files
- into the cache as virtual packages we do a two stage effort. MergeList
- identifies the file depends and this creates Provdies for them by
- re-parsing all the indexs. */
-bool pkgCacheGenerator::MergeFileProvides(ListParser &List)
+/* This creates a new group structure and adds it to the hash table */
+bool pkgCacheGenerator::NewGroup(pkgCache::GrpIterator &Grp, StringView Name)
{
- List.Owner = this;
-
- unsigned int Counter = 0;
- while (List.Step() == true)
- {
- string PackageName = List.Package();
- if (PackageName.empty() == true)
- return false;
- string Version = List.Version();
- if (Version.empty() == true)
- continue;
-
- pkgCache::PkgIterator Pkg = Cache.FindPkg(PackageName);
- if (Pkg.end() == true)
- return _error->Error(_("Error occurred while processing %s (FindPkg)"),
- PackageName.c_str());
- Counter++;
- if (Counter % 100 == 0 && Progress != 0)
- Progress->Progress(List.Offset());
+ Dynamic<StringView> DName(Name);
+ Grp = Cache.FindGrp(Name);
+ if (Grp.end() == false)
+ return true;
- unsigned long Hash = List.VersionHash();
- pkgCache::VerIterator Ver = Pkg.VersionList();
- 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());
- break;
- }
- }
-
- if (Ver.end() == true)
- _error->Warning(_("Package %s %s was not found while processing file dependencies"),PackageName.c_str(),Version.c_str());
- }
+ // Get a structure
+ map_pointer_t const Group = AllocateInMap(sizeof(pkgCache::Group));
+ if (unlikely(Group == 0))
+ return false;
+
+ Grp = pkgCache::GrpIterator(Cache, Cache.GrpP + Group);
+ map_stringitem_t const idxName = StoreString(PKGNAME, Name);
+ if (unlikely(idxName == 0))
+ return false;
+ Grp->Name = idxName;
+
+ // Insert it into the hash table
+ unsigned long const Hash = Cache.Hash(Name);
+ map_pointer_t *insertAt = &Cache.HeaderP->GrpHashTableP()[Hash];
+
+ while (*insertAt != 0 && Name.compare(Cache.ViewString((Cache.GrpP + *insertAt)->Name)) > 0)
+ insertAt = &(Cache.GrpP + *insertAt)->Next;
+ Grp->Next = *insertAt;
+ *insertAt = 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)
-{
- Pkg = Cache.FindPkg(Name);
- if (Pkg.end() == false)
- return true;
+bool pkgCacheGenerator::NewPackage(pkgCache::PkgIterator &Pkg, StringView Name,
+ StringView Arch) {
+ pkgCache::GrpIterator Grp;
+ Dynamic<StringView> DName(Name);
+ Dynamic<StringView> DArch(Arch);
+ 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
- unsigned long Package = Map.Allocate(sizeof(pkgCache::Package));
- if (Package == 0)
+ map_pointer_t const Package = AllocateInMap(sizeof(pkgCache::Package));
+ if (unlikely(Package == 0))
return false;
-
Pkg = pkgCache::PkgIterator(Cache,Cache.PkgP + Package);
-
- // 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)
+
+ // Set the name, arch and the ID
+ APT_IGNORE_DEPRECATED(Pkg->Name = Grp->Name;)
+ Pkg->Group = Grp.Index();
+ // all is mapped to the native architecture
+ map_stringitem_t const idxArch = (Arch == "all") ? Cache.HeaderP->Architecture : StoreString(MIXED, Arch);
+ if (unlikely(idxArch == 0))
return false;
+ Pkg->Arch = idxArch;
Pkg->ID = Cache.HeaderP->PackageCount++;
-
+
+ // Insert the package into our package list
+ if (Grp->FirstPackage == 0) // the group is new
+ {
+ Grp->FirstPackage = Package;
+ // Insert it into the hash table
+ map_id_t const Hash = Cache.Hash(Name);
+ map_pointer_t *insertAt = &Cache.HeaderP->PkgHashTableP()[Hash];
+ while (*insertAt != 0 && Name.compare(Cache.StrP + (Cache.GrpP + (Cache.PkgP + *insertAt)->Group)->Name) > 0)
+ insertAt = &(Cache.PkgP + *insertAt)->NextPackage;
+ Pkg->NextPackage = *insertAt;
+ *insertAt = Package;
+ }
+ else // Group the Packages together
+ {
+ // if sibling is provided by another package, this one is too
+ {
+ pkgCache::PkgIterator const M = Grp.FindPreferredPkg(false); // native or any foreign pkg will do
+ if (M.end() == false) {
+ pkgCache::PrvIterator Prv;
+ Dynamic<pkgCache::PrvIterator> DynPrv(Prv);
+ for (Prv = M.ProvidesList(); Prv.end() == false; ++Prv)
+ {
+ if ((Prv->Flags & pkgCache::Flag::ArchSpecific) != 0)
+ continue;
+ pkgCache::VerIterator Ver = Prv.OwnerVer();
+ Dynamic<pkgCache::VerIterator> DynVer(Ver);
+ if ((Ver->MultiArch & pkgCache::Version::Allowed) == pkgCache::Version::Allowed ||
+ ((Ver->MultiArch & pkgCache::Version::Foreign) == pkgCache::Version::Foreign &&
+ (Prv->Flags & pkgCache::Flag::MultiArchImplicit) == 0))
+ {
+ if (APT::Configuration::checkArchitecture(Ver.ParentPkg().Arch()) == false)
+ continue;
+ if (NewProvides(Ver, Pkg, Prv->ProvideVersion, Prv->Flags) == false)
+ return false;
+ }
+ }
+ }
+ }
+ // let M-A:foreign package siblings provide this package
+ {
+ pkgCache::PkgIterator P;
+ pkgCache::VerIterator Ver;
+ Dynamic<pkgCache::PkgIterator> DynP(P);
+ Dynamic<pkgCache::VerIterator> DynVer(Ver);
+
+ for (P = Grp.PackageList(); P.end() == false; P = Grp.NextPkg(P))
+ {
+ if (APT::Configuration::checkArchitecture(P.Arch()) == false)
+ continue;
+ for (Ver = P.VersionList(); Ver.end() == false; ++Ver)
+ if ((Ver->MultiArch & pkgCache::Version::Foreign) == pkgCache::Version::Foreign)
+ if (NewProvides(Ver, Pkg, Ver->VerStr, pkgCache::Flag::MultiArchImplicit) == false)
+ return false;
+ }
+ }
+ // and negative dependencies, don't forget negative dependencies
+ {
+ pkgCache::PkgIterator const M = Grp.FindPreferredPkg(false);
+ if (M.end() == false) {
+ pkgCache::DepIterator Dep;
+ Dynamic<pkgCache::DepIterator> DynDep(Dep);
+ for (Dep = M.RevDependsList(); Dep.end() == false; ++Dep)
+ {
+ if ((Dep->CompareOp & (pkgCache::Dep::ArchSpecific | pkgCache::Dep::MultiArchImplicit)) != 0)
+ continue;
+ if (Dep->Type != pkgCache::Dep::DpkgBreaks && Dep->Type != pkgCache::Dep::Conflicts &&
+ Dep->Type != pkgCache::Dep::Replaces)
+ continue;
+ pkgCache::VerIterator Ver = Dep.ParentVer();
+ Dynamic<pkgCache::VerIterator> DynVer(Ver);
+ map_pointer_t * unused = NULL;
+ if (NewDepends(Pkg, Ver, Dep->Version, Dep->CompareOp, Dep->Type, unused) == false)
+ return false;
+ }
+ }
+ }
+
+ // 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;
+
+ // lazy-create foo (of amd64) provides foo:amd64 at the time we first need it
+ if (Arch == "any")
+ {
+ size_t const found = Name.rfind(':');
+ StringView ArchA = Name.substr(found + 1);
+ if (ArchA != "any")
+ {
+ // ArchA is used inside the loop which might remap (NameA is not used)
+ Dynamic<StringView> DynArchA(ArchA);
+ StringView NameA = Name.substr(0, found);
+ pkgCache::PkgIterator PkgA = Cache.FindPkg(NameA, ArchA);
+ Dynamic<pkgCache::PkgIterator> DynPkgA(PkgA);
+ if (PkgA.end())
+ {
+ Dynamic<StringView> DynNameA(NameA);
+ if (NewPackage(PkgA, NameA, ArchA) == false)
+ return false;
+ }
+ if (unlikely(PkgA.end()))
+ return _error->Fatal("NewPackage was successful for %s:%s,"
+ "but the package doesn't exist anyhow!",
+ NameA.to_string().c_str(), ArchA.to_string().c_str());
+ else
+ {
+ pkgCache::PrvIterator Prv = PkgA.ProvidesList();
+ for (; Prv.end() == false; ++Prv)
+ {
+ if (Prv.IsMultiArchImplicit())
+ continue;
+ pkgCache::VerIterator V = Prv.OwnerVer();
+ if (ArchA != V.ParentPkg().Arch())
+ continue;
+ if (NewProvides(V, Pkg, V->VerStr, pkgCache::Flag::MultiArchImplicit | pkgCache::Flag::ArchSpecific) == false)
+ return false;
+ }
+ pkgCache::VerIterator V = PkgA.VersionList();
+ Dynamic<pkgCache::VerIterator> DynV(V);
+ for (; V.end() == false; ++V)
+ {
+ if (NewProvides(V, Pkg, V->VerStr, pkgCache::Flag::MultiArchImplicit | pkgCache::Flag::ArchSpecific) == false)
+ return false;
+ }
+ }
+ }
+ }
+ return true;
+}
+ /*}}}*/
+// CacheGenerator::AddImplicitDepends /*{{{*/
+bool pkgCacheGenerator::AddImplicitDepends(pkgCache::GrpIterator &G,
+ pkgCache::PkgIterator &P,
+ pkgCache::VerIterator &V)
+{
+ APT::StringView Arch = P.Arch() == NULL ? "" : P.Arch();
+ Dynamic<APT::StringView> DynArch(Arch);
+ map_pointer_t *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);
+ map_stringitem_t const VerStrIdx = V->VerStr;
+ 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, VerStrIdx,
+ pkgCache::Dep::Less | pkgCache::Dep::MultiArchImplicit, pkgCache::Dep::Replaces,
+ OldDepLast);
+ // Breaks: ${self}:other (!= ${binary:Version})
+ NewDepends(D, V, VerStrIdx,
+ pkgCache::Dep::NotEquals | pkgCache::Dep::MultiArchImplicit, pkgCache::Dep::DpkgBreaks,
+ OldDepLast);
+ } else {
+ // Conflicts: ${self}:other
+ NewDepends(D, V, 0,
+ pkgCache::Dep::NoOp | pkgCache::Dep::MultiArchImplicit, 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_pointer_t *OldDepLast = NULL;
+ bool const coInstall = ((V->MultiArch & pkgCache::Version::Same) == pkgCache::Version::Same);
+ if (coInstall == true)
+ {
+ map_stringitem_t const VerStrIdx = V->VerStr;
+ // Replaces: ${self}:other ( << ${binary:Version})
+ NewDepends(D, V, VerStrIdx,
+ pkgCache::Dep::Less | pkgCache::Dep::MultiArchImplicit, pkgCache::Dep::Replaces,
+ OldDepLast);
+ // Breaks: ${self}:other (!= ${binary:Version})
+ NewDepends(D, V, VerStrIdx,
+ pkgCache::Dep::NotEquals | pkgCache::Dep::MultiArchImplicit, pkgCache::Dep::DpkgBreaks,
+ OldDepLast);
+ } else {
+ // Conflicts: ${self}:other
+ NewDepends(D, V, 0,
+ pkgCache::Dep::NoOp | pkgCache::Dep::MultiArchImplicit, 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_pointer_t const VerFile = AllocateInMap(sizeof(pkgCache::VerFile));
if (VerFile == 0)
- return 0;
+ return false;
pkgCache::VerFileIterator VF(Cache,Cache.VerFileP + VerFile);
VF->File = CurrentFile - Cache.PkgFileP;
// Link it to the end of the list
- map_ptrloc *Last = &Ver->FileList;
- for (pkgCache::VerFileIterator V = Ver.FileList(); V.end() == false; V++)
+ map_pointer_t *Last = &Ver->FileList;
+ for (pkgCache::VerFileIterator V = Ver.FileList(); V.end() == false; ++V)
Last = &V->NextFile;
VF->NextFile = *Last;
*Last = VF.Index();
// CacheGenerator::NewVersion - Create a new Version /*{{{*/
// ---------------------------------------------------------------------
/* This puts a version structure in the linked list */
-unsigned long pkgCacheGenerator::NewVersion(pkgCache::VerIterator &Ver,
- const string &VerStr,
- unsigned long Next)
+map_pointer_t pkgCacheGenerator::NewVersion(pkgCache::VerIterator &Ver,
+ APT::StringView const &VerStr,
+ map_pointer_t const ParentPkg,
+ unsigned short const Hash,
+ map_pointer_t const Next)
{
// Get a structure
- unsigned long Version = Map.Allocate(sizeof(pkgCache::Version));
+ map_pointer_t 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->ParentPkg = ParentPkg;
+ Ver->Hash = Hash;
Ver->ID = Cache.HeaderP->VersionCount++;
- Ver->VerStr = Map.WriteString(VerStr);
- if (Ver->VerStr == 0)
+
+ // try to find the version string in the group for reuse
+ pkgCache::PkgIterator Pkg = Ver.ParentPkg();
+ pkgCache::GrpIterator Grp = Pkg.Group();
+ if (Pkg.end() == false && Grp.end() == false)
+ {
+ for (pkgCache::PkgIterator P = Grp.PackageList(); P.end() == false; P = Grp.NextPkg(P))
+ {
+ if (Pkg == P)
+ continue;
+ for (pkgCache::VerIterator V = P.VersionList(); V.end() == false; ++V)
+ {
+ int const cmp = strncmp(V.VerStr(), VerStr.data(), VerStr.length());
+ if (cmp == 0 && V.VerStr()[VerStr.length()] == '\0')
+ {
+ Ver->VerStr = V->VerStr;
+ return Version;
+ }
+ else if (cmp < 0)
+ break;
+ }
+ }
+ }
+ // haven't found the version string, so create
+ map_stringitem_t const idxVerStr = StoreString(VERSIONNUMBER, 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_pointer_t 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++)
+ map_pointer_t *Last = &Desc->FileList;
+ for (pkgCache::DescFileIterator D = Desc.FileList(); D.end() == false; ++D)
Last = &D->NextFile;
DF->NextFile = *Last;
// 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)
+map_pointer_t pkgCacheGenerator::NewDescription(pkgCache::DescIterator &Desc,
+ const string &Lang,
+ const MD5SumValue &md5sum,
+ map_stringitem_t const idxmd5str)
{
// Get a structure
- map_ptrloc Description = Map.Allocate(sizeof(pkgCache::Description));
+ map_pointer_t const Description = AllocateInMap(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());
+ map_stringitem_t const idxlanguage_code = StoreString(MIXED, Lang);
+ if (unlikely(idxlanguage_code == 0))
+ return 0;
+ Desc->language_code = idxlanguage_code;
+
+ if (idxmd5str != 0)
+ Desc->md5sum = idxmd5str;
+ else
+ {
+ map_stringitem_t const idxmd5sum = WriteStringInMap(md5sum.Value());
+ if (unlikely(idxmd5sum == 0))
+ return 0;
+ 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,
+ map_pointer_t const Version,
+ uint8_t const Op,
+ uint8_t const Type,
+ map_pointer_t* &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_pointer_t const Dependency = AllocateInMap(sizeof(pkgCache::Dependency));
+ if (unlikely(Dependency == 0))
return false;
-
- // Fill it in
- pkgCache::DepIterator Dep(Cache,Cache.DepP + Dependency);
- 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)
+
+ bool isDuplicate = false;
+ map_pointer_t DependencyData = 0;
+ map_pointer_t PreviousData = 0;
+ if (Pkg->RevDepends != 0)
{
-/* 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)
- return false;
+ pkgCache::Dependency const * const L = Cache.DepP + Pkg->RevDepends;
+ DependencyData = L->DependencyData;
+ do {
+ pkgCache::DependencyData const * const D = Cache.DepDataP + DependencyData;
+ if (Version > D->Version)
+ break;
+ if (D->Version == Version && D->Type == Type && D->CompareOp == Op)
+ {
+ isDuplicate = true;
+ break;
+ }
+ PreviousData = DependencyData;
+ DependencyData = D->NextData;
+ } while (DependencyData != 0);
}
-
- // 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)
+
+ if (isDuplicate == false)
+ {
+ DependencyData = AllocateInMap(sizeof(pkgCache::DependencyData));
+ if (unlikely(DependencyData == 0))
+ return false;
+ }
+
+ pkgCache::Dependency * Link = Cache.DepP + Dependency;
+ Link->ParentVer = Ver.Index();
+ Link->DependencyData = DependencyData;
+ Link->ID = Cache.HeaderP->DependsCount++;
+
+ pkgCache::DepIterator Dep(Cache, Link);
+ if (isDuplicate == false)
+ {
+ Dep->Type = Type;
+ Dep->CompareOp = Op;
+ Dep->Version = Version;
+ Dep->Package = Pkg.Index();
+ ++Cache.HeaderP->DependsDataCount;
+ if (PreviousData != 0)
+ {
+ pkgCache::DependencyData * const D = Cache.DepDataP + PreviousData;
+ Dep->NextData = D->NextData;
+ D->NextData = DependencyData;
+ }
+ else if (Pkg->RevDepends != 0)
+ {
+ pkgCache::Dependency const * const D = Cache.DepP + Pkg->RevDepends;
+ Dep->NextData = D->DependencyData;
+ }
+ }
+
+ if (isDuplicate == true || PreviousData != 0)
+ {
+ pkgCache::Dependency * const L = Cache.DepP + Pkg->RevDepends;
+ Link->NextRevDepends = L->NextRevDepends;
+ L->NextRevDepends = Dependency;
+ }
+ else
+ {
+ Link->NextRevDepends = Pkg->RevDepends;
+ Pkg->RevDepends = Dependency;
+ }
+
+
+ // 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_pointer_t const * const) Map.Data() - (map_pointer_t const * const) oldMap;
- // Is it a file dependency?
- if (PackageName[0] == '/')
- FoundFileDeps = true;
-
Dep->NextDepends = *OldDepLast;
- *OldDepLast = Dep.Index();
+ *OldDepLast = Dependency;
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 pkgCacheListParser::NewDepends(pkgCache::VerIterator &Ver,
+ StringView PackageName,
+ StringView Arch,
+ StringView Version,
+ uint8_t const Op,
+ uint8_t const Type)
+{
+ pkgCache::GrpIterator Grp;
+ Dynamic<pkgCache::GrpIterator> DynGrp(Grp);
+ Dynamic<StringView> DynPackageName(PackageName);
+ Dynamic<StringView> DynArch(Arch);
+ Dynamic<StringView> DynVersion(Version);
+ if (unlikely(Owner->NewGroup(Grp, PackageName) == false))
+ return false;
+
+ map_stringitem_t idxVersion = 0;
+ if (Version.empty() == false)
+ {
+ int const CmpOp = Op & 0x0F;
+ // =-deps are used (79:1) for lockstep on same-source packages (e.g. data-packages)
+ if (CmpOp == pkgCache::Dep::Equals && Version == Ver.VerStr())
+ idxVersion = Ver->VerStr;
+
+ if (idxVersion == 0)
+ {
+ idxVersion = StoreString(pkgCacheGenerator::VERSIONNUMBER, Version);
+ if (unlikely(idxVersion == 0))
+ return false;
+ }
+ }
+
+ bool const isNegative = (Type == pkgCache::Dep::DpkgBreaks ||
+ Type == pkgCache::Dep::Conflicts ||
+ Type == pkgCache::Dep::Replaces);
+ pkgCache::PkgIterator Pkg;
+ Dynamic<pkgCache::PkgIterator> DynPkg(Pkg);
+ if (isNegative == false || (Op & pkgCache::Dep::ArchSpecific) == pkgCache::Dep::ArchSpecific || Grp->FirstPackage == 0)
+ {
+ // Locate the target package
+ Pkg = Grp.FindPkg(Arch);
+ if (Pkg.end() == true) {
+ if (unlikely(Owner->NewPackage(Pkg, PackageName, Arch) == false))
+ return false;
+ }
+
+ /* Caching the old end point speeds up generation substantially */
+ if (OldDepVer != Ver) {
+ OldDepLast = NULL;
+ OldDepVer = Ver;
+ }
+
+ return Owner->NewDepends(Pkg, Ver, idxVersion, Op, Type, OldDepLast);
+ }
+ else
+ {
+ /* Caching the old end point speeds up generation substantially */
+ if (OldDepVer != Ver) {
+ OldDepLast = NULL;
+ OldDepVer = Ver;
+ }
+
+ for (Pkg = Grp.PackageList(); Pkg.end() == false; Pkg = Grp.NextPkg(Pkg))
+ {
+ if (Owner->NewDepends(Pkg, Ver, idxVersion, Op, Type, OldDepLast) == false)
+ return false;
+ }
+ }
return true;
}
/*}}}*/
// ListParser::NewProvides - Create a Provides element /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-bool pkgCacheGenerator::ListParser::NewProvides(pkgCache::VerIterator Ver,
- const string &PackageName,
- const string &Version)
+bool pkgCacheListParser::NewProvides(pkgCache::VerIterator &Ver,
+ StringView PkgName,
+ StringView PkgArch,
+ StringView Version,
+ uint8_t const Flags)
{
- pkgCache &Cache = Owner->Cache;
+ pkgCache const &Cache = Owner->Cache;
+ Dynamic<StringView> DynPkgName(PkgName);
+ Dynamic<StringView> DynArch(PkgArch);
+ Dynamic<StringView> DynVersion(Version);
// 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)) &&
+ (Version.empty() || Version == Ver.VerStr()))
return true;
-
+
+ // Locate the target package
+ pkgCache::PkgIterator Pkg;
+ Dynamic<pkgCache::PkgIterator> DynPkg(Pkg);
+ if (unlikely(Owner->NewPackage(Pkg,PkgName, PkgArch) == false))
+ return false;
+
+ map_stringitem_t idxProvideVersion = 0;
+ if (Version.empty() == false) {
+ idxProvideVersion = StoreString(pkgCacheGenerator::VERSIONNUMBER, Version);
+ if (unlikely(idxProvideVersion == 0))
+ return false;
+ }
+ return Owner->NewProvides(Ver, Pkg, idxProvideVersion, Flags);
+}
+bool pkgCacheGenerator::NewProvides(pkgCache::VerIterator &Ver,
+ pkgCache::PkgIterator &Pkg,
+ map_pointer_t const ProvideVersion,
+ uint8_t const Flags)
+{
// Get a structure
- unsigned long Provides = Owner->Map.Allocate(sizeof(pkgCache::Provides));
- if (Provides == 0)
+ map_pointer_t const Provides = AllocateInMap(sizeof(pkgCache::Provides));
+ if (unlikely(Provides == 0))
return false;
- Cache.HeaderP->ProvidesCount++;
-
+ ++Cache.HeaderP->ProvidesCount;
+
// Fill it in
pkgCache::PrvIterator Prv(Cache,Cache.ProvideP + Provides,Cache.PkgP);
Prv->Version = Ver.Index();
+ Prv->ProvideVersion = ProvideVersion;
+ Prv->Flags = Flags;
Prv->NextPkgProv = Ver->ProvidesList;
Ver->ProvidesList = Prv.Index();
- if (Version.empty() == false && (Prv->ProvideVersion = WriteString(Version)) == 0)
- return false;
-
- // Locate the target package
- pkgCache::PkgIterator Pkg;
- if (Owner->NewPackage(Pkg,PackageName) == false)
- return false;
-
+
// Link it to the package
Prv->ParentPkg = Pkg.Index();
Prv->NextProvides = Pkg->ProvidesList;
Pkg->ProvidesList = Prv.Index();
-
+ return true;
+}
+ /*}}}*/
+// ListParser::NewProvidesAllArch - add provides for all architectures /*{{{*/
+bool pkgCacheListParser::NewProvidesAllArch(pkgCache::VerIterator &Ver, StringView Package,
+ StringView Version, uint8_t const Flags) {
+ pkgCache &Cache = Owner->Cache;
+ pkgCache::GrpIterator Grp = Cache.FindGrp(Package);
+ Dynamic<pkgCache::GrpIterator> DynGrp(Grp);
+ Dynamic<StringView> DynPackage(Package);
+ Dynamic<StringView> DynVersion(Version);
+
+ if (Grp.end() == true)
+ return NewProvides(Ver, Package, Cache.NativeArch(), Version, Flags);
+ else
+ {
+ map_stringitem_t idxProvideVersion = 0;
+ if (Version.empty() == false) {
+ idxProvideVersion = StoreString(pkgCacheGenerator::VERSIONNUMBER, Version);
+ if (unlikely(idxProvideVersion == 0))
+ return false;
+ }
+
+ bool const isImplicit = (Flags & pkgCache::Flag::MultiArchImplicit) == pkgCache::Flag::MultiArchImplicit;
+ bool const isArchSpecific = (Flags & pkgCache::Flag::ArchSpecific) == pkgCache::Flag::ArchSpecific;
+ pkgCache::PkgIterator OwnerPkg = Ver.ParentPkg();
+ Dynamic<pkgCache::PkgIterator> DynOwnerPkg(OwnerPkg);
+ pkgCache::PkgIterator Pkg;
+ Dynamic<pkgCache::PkgIterator> DynPkg(Pkg);
+ for (Pkg = Grp.PackageList(); Pkg.end() == false; Pkg = Grp.NextPkg(Pkg))
+ {
+ if (isImplicit && OwnerPkg == Pkg)
+ continue;
+ if (isArchSpecific == false && APT::Configuration::checkArchitecture(OwnerPkg.Arch()) == false)
+ continue;
+ if (Owner->NewProvides(Ver, Pkg, idxProvideVersion, Flags) == false)
+ return false;
+ }
+ }
+ return true;
+}
+ /*}}}*/
+bool pkgCacheListParser::SameVersion(unsigned short const Hash, /*{{{*/
+ pkgCache::VerIterator const &Ver)
+{
+ return Hash == Ver->Hash;
+}
+ /*}}}*/
+// CacheGenerator::SelectReleaseFile - Select the current release file the indexes belong to /*{{{*/
+bool pkgCacheGenerator::SelectReleaseFile(const string &File,const string &Site,
+ unsigned long Flags)
+{
+ if (File.empty() && Site.empty())
+ {
+ CurrentRlsFile = NULL;
+ return true;
+ }
+
+ // Get some space for the structure
+ map_pointer_t const idxFile = AllocateInMap(sizeof(*CurrentRlsFile));
+ if (unlikely(idxFile == 0))
+ return false;
+ CurrentRlsFile = Cache.RlsFileP + idxFile;
+
+ // Fill it in
+ map_stringitem_t const idxFileName = WriteStringInMap(File);
+ map_stringitem_t const idxSite = StoreString(MIXED, Site);
+ if (unlikely(idxFileName == 0 || idxSite == 0))
+ return false;
+ CurrentRlsFile->FileName = idxFileName;
+ CurrentRlsFile->Site = idxSite;
+ CurrentRlsFile->NextFile = Cache.HeaderP->RlsFileList;
+ CurrentRlsFile->Flags = Flags;
+ CurrentRlsFile->ID = Cache.HeaderP->ReleaseFileCount;
+ RlsFileName = File;
+ Cache.HeaderP->RlsFileList = CurrentRlsFile - Cache.RlsFileP;
+ Cache.HeaderP->ReleaseFileCount++;
+
return true;
}
/*}}}*/
// ---------------------------------------------------------------------
/* This is used to select which file is to be associated with all newly
added versions. The caller is responsible for setting the IMS fields. */
-bool pkgCacheGenerator::SelectFile(const string &File,const string &Site,
- const pkgIndexFile &Index,
- unsigned long Flags)
+bool pkgCacheGenerator::SelectFile(std::string const &File,
+ pkgIndexFile const &Index,
+ std::string const &Architecture,
+ std::string const &Component,
+ unsigned long const Flags)
{
// Get some space for the structure
- CurrentFile = Cache.PkgFileP + Map.Allocate(sizeof(*CurrentFile));
- if (CurrentFile == Cache.PkgFileP)
+ map_pointer_t 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_stringitem_t const idxFileName = WriteStringInMap(File);
+ if (unlikely(idxFileName == 0))
+ return false;
+ CurrentFile->FileName = idxFileName;
CurrentFile->NextFile = Cache.HeaderP->FileList;
- CurrentFile->Flags = Flags;
CurrentFile->ID = Cache.HeaderP->PackageFileCount;
- CurrentFile->IndexType = WriteUniqString(Index.GetType()->Label);
+ map_stringitem_t const idxIndexType = StoreString(MIXED, Index.GetType()->Label);
+ if (unlikely(idxIndexType == 0))
+ return false;
+ CurrentFile->IndexType = idxIndexType;
+ if (Architecture.empty())
+ CurrentFile->Architecture = 0;
+ else
+ {
+ map_stringitem_t const arch = StoreString(pkgCacheGenerator::MIXED, Architecture);
+ if (unlikely(arch == 0))
+ return false;
+ CurrentFile->Architecture = arch;
+ }
+ map_stringitem_t const component = StoreString(pkgCacheGenerator::MIXED, Component);
+ if (unlikely(component == 0))
+ return false;
+ CurrentFile->Component = component;
+ CurrentFile->Flags = Flags;
+ if (CurrentRlsFile != NULL)
+ CurrentFile->Release = CurrentRlsFile - Cache.RlsFileP;
+ else
+ CurrentFile->Release = 0;
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;
// ---------------------------------------------------------------------
/* This is used to create handles to strings. Given the same text it
always returns the same number */
-unsigned long pkgCacheGenerator::WriteUniqString(const char *S,
+map_stringitem_t pkgCacheGenerator::StoreString(enum StringType const type, const char *S,
unsigned int Size)
{
- /* We use a very small transient hash table here, this speeds up generation
- by a fair amount on slower machines */
- pkgCache::StringItem *&Bucket = UniqHash[(S[0]*5 + S[1]) % _count(UniqHash)];
- if (Bucket != 0 &&
- stringcmp(S,S+Size,Cache.StrP + Bucket->String) == 0)
- return Bucket->String;
-
- // Search for an insertion point
- pkgCache::StringItem *I = Cache.StringItemP + Cache.HeaderP->StringList;
- int Res = 1;
- map_ptrloc *Last = &Cache.HeaderP->StringList;
- for (; I != Cache.StringItemP; Last = &I->NextItem,
- I = Cache.StringItemP + I->NextItem)
- {
- Res = stringcmp(S,S+Size,Cache.StrP + I->String);
- if (Res >= 0)
- break;
- }
-
- // Match
- if (Res == 0)
- {
- Bucket = I;
- return I->String;
+ auto strings = &strMixed;
+ switch(type) {
+ case MIXED: strings = &strMixed; break;
+ case PKGNAME: strings = &strPkgNames; break;
+ case VERSIONNUMBER: strings = &strVersions; break;
+ case SECTION: strings = &strSections; break;
+ default: _error->Fatal("Unknown enum type used for string storage of '%.*s'", Size, S); return 0;
}
-
- // Get a structure
- unsigned long Item = Map.Allocate(sizeof(pkgCache::StringItem));
- if (Item == 0)
- return 0;
- // 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;
-
- Bucket = ItemP;
- return ItemP->String;
+ auto const item = strings->find({S, Size, nullptr, 0});
+ if (item != strings->end())
+ return item->item;
+
+ map_stringitem_t const idxString = WriteStringInMap(S,Size);
+ strings->insert({nullptr, Size, this, idxString});
+ return idxString;
}
/*}}}*/
-
// 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)
+class APT_HIDDEN ScopedErrorRevert {
+public:
+ ScopedErrorRevert() { _error->PushToStack(); }
+ ~ScopedErrorRevert() { _error->RevertToStack(); }
+};
+static bool CheckValidity(const string &CacheFile,
+ pkgSourceList &List,
+ FileIterator const Start,
+ FileIterator const End,
+ MMap **OutMap = 0,
+ pkgCache **OutCache = 0)
{
+ ScopedErrorRevert ser;
+ 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 " << 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);
- pkgCache Cache(Map);
- if (_error->PendingError() == true || Map->Size() == 0)
+ std::unique_ptr<MMap> Map(new MMap(CacheF,0));
+ if (unlikely(Map->validData()) == false)
+ return false;
+ std::unique_ptr<pkgCache> CacheP(new pkgCache(Map.get()));
+ pkgCache &Cache = *CacheP.get();
+ if (_error->PendingError() || Map->Size() == 0)
{
- _error->Discard();
+ if (Debug == true)
+ std::clog << "Errors are pending or Map is empty() for " << CacheFile << std::endl;
return false;
}
-
+
+ std::unique_ptr<bool[]> RlsVisited(new bool[Cache.HeaderP->ReleaseFileCount]);
+ memset(RlsVisited.get(),0,sizeof(RlsVisited[0])*Cache.HeaderP->ReleaseFileCount);
+ std::vector<pkgIndexFile *> Files;
+ for (pkgSourceList::const_iterator i = List.begin(); i != List.end(); ++i)
+ {
+ if (Debug == true)
+ std::clog << "Checking RlsFile " << (*i)->Describe() << ": ";
+ pkgCache::RlsFileIterator const RlsFile = (*i)->FindInCache(Cache, true);
+ if (RlsFile.end() == true)
+ {
+ if (Debug == true)
+ std::clog << "FindInCache returned end-Pointer" << std::endl;
+ return false;
+ }
+
+ RlsVisited[RlsFile->ID] = true;
+ if (Debug == true)
+ std::clog << "with ID " << RlsFile->ID << " is valid" << std::endl;
+
+ std::vector <pkgIndexFile *> const * const Indexes = (*i)->GetIndexFiles();
+ std::copy_if(Indexes->begin(), Indexes->end(), std::back_inserter(Files),
+ [](pkgIndexFile const * const I) { return I->HasPackages(); });
+ }
+ for (unsigned I = 0; I != Cache.HeaderP->ReleaseFileCount; ++I)
+ if (RlsVisited[I] == false)
+ {
+ if (Debug == true)
+ std::clog << "RlsFile with ID" << I << " wasn't visited" << std::endl;
+ return false;
+ }
+
+ std::copy(Start, End, std::back_inserter(Files));
+
/* Now we check every index file, see if it is in the cache,
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++)
- {
- if ((*Start)->HasPackages() == false)
- continue;
-
- if ((*Start)->Exists() == false)
+ std::unique_ptr<bool[]> Visited(new bool[Cache.HeaderP->PackageFileCount]);
+ memset(Visited.get(),0,sizeof(Visited[0])*Cache.HeaderP->PackageFileCount);
+ for (std::vector<pkgIndexFile *>::const_reverse_iterator PkgFile = Files.rbegin(); PkgFile != Files.rend(); ++PkgFile)
+ {
+ if (Debug == true)
+ std::clog << "Checking PkgFile " << (*PkgFile)->Describe() << ": ";
+ if ((*PkgFile)->Exists() == false)
{
- _error->WarningE("stat",_("Couldn't stat source package list %s"),
- (*Start)->Describe().c_str());
+ 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);
+ pkgCache::PkgFileIterator File = (*PkgFile)->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 << "PkgFile with ID" << I << " wasn't visited" << std::endl;
return false;
-
+ }
+
if (_error->PendingError() == true)
{
- _error->Discard();
+ if (Debug == true)
+ {
+ std::clog << "Validity failed because of pending errors:" << std::endl;
+ _error->DumpErrors(std::clog, GlobalError::DEBUG, false);
+ }
return false;
}
-
+
if (OutMap != 0)
- *OutMap = Map.UnGuard();
+ *OutMap = Map.release();
+ if (OutCache != 0)
+ *OutCache = CacheP.release();
return true;
}
/*}}}*/
// ---------------------------------------------------------------------
/* Size is kind of an abstract notion that is only used for the progress
meter */
-static unsigned long ComputeSize(FileIterator Start,FileIterator End)
+static map_filesize_t ComputeSize(pkgSourceList const * const List, FileIterator Start,FileIterator End)
{
- unsigned long TotalSize = 0;
- for (; Start != End; Start++)
+ map_filesize_t TotalSize = 0;
+ if (List != NULL)
+ {
+ for (pkgSourceList::const_iterator i = List->begin(); i != List->end(); ++i)
+ {
+ std::vector <pkgIndexFile *> *Indexes = (*i)->GetIndexFiles();
+ for (std::vector<pkgIndexFile *>::const_iterator j = Indexes->begin(); j != Indexes->end(); ++j)
+ if ((*j)->HasPackages() == true)
+ TotalSize += (*j)->Size();
+ }
+ }
+
+ for (; Start < End; ++Start)
{
if ((*Start)->HasPackages() == false)
- continue;
+ continue;
TotalSize += (*Start)->Size();
}
return TotalSize;
}
/*}}}*/
// BuildCache - Merge the list of index files into the cache /*{{{*/
-// ---------------------------------------------------------------------
-/* */
static bool BuildCache(pkgCacheGenerator &Gen,
- OpProgress &Progress,
- unsigned long &CurrentSize,unsigned long TotalSize,
- FileIterator Start, FileIterator End)
+ OpProgress * const Progress,
+ map_filesize_t &CurrentSize,map_filesize_t TotalSize,
+ pkgSourceList const * const List,
+ FileIterator const Start, FileIterator const End)
{
- FileIterator I;
- for (I = Start; I != End; I++)
- {
- if ((*I)->HasPackages() == false)
- continue;
-
- if ((*I)->Exists() == false)
- continue;
+ bool mergeFailure = false;
- if ((*I)->FindInCache(Gen.GetCache()).end() == false)
+ auto const indexFileMerge = [&](pkgIndexFile * const I) {
+ if (I->HasPackages() == false || mergeFailure)
+ return;
+
+ if (I->Exists() == false)
+ return;
+
+ if (I->FindInCache(Gen.GetCache()).end() == false)
{
_error->Warning("Duplicate sources.list entry %s",
- (*I)->Describe().c_str());
- continue;
+ I->Describe().c_str());
+ return;
}
-
- unsigned long Size = (*I)->Size();
- Progress.OverallProgress(CurrentSize,TotalSize,Size,_("Reading package lists"));
+
+ map_filesize_t const Size = I->Size();
+ if (Progress != NULL)
+ Progress->OverallProgress(CurrentSize, TotalSize, Size, _("Reading package lists"));
CurrentSize += Size;
-
- if ((*I)->Merge(Gen,Progress) == false)
- return false;
- }
- if (Gen.HasFileDeps() == true)
+ if (I->Merge(Gen,Progress) == false)
+ mergeFailure = true;
+ };
+
+ if (List != NULL)
{
- Progress.Done();
- TotalSize = ComputeSize(Start, End);
- CurrentSize = 0;
- for (I = Start; I != End; I++)
+ for (pkgSourceList::const_iterator i = List->begin(); i != List->end(); ++i)
{
- unsigned long Size = (*I)->Size();
- Progress.OverallProgress(CurrentSize,TotalSize,Size,_("Collecting File Provides"));
- CurrentSize += Size;
- if ((*I)->MergeFileProvides(Gen,Progress) == false)
+ if ((*i)->FindInCache(Gen.GetCache(), false).end() == false)
+ {
+ _error->Warning("Duplicate sources.list entry %s",
+ (*i)->Describe().c_str());
+ continue;
+ }
+
+ if ((*i)->Merge(Gen, Progress) == false)
+ return false;
+
+ std::vector <pkgIndexFile *> *Indexes = (*i)->GetIndexFiles();
+ if (Indexes != NULL)
+ std::for_each(Indexes->begin(), Indexes->end(), indexFileMerge);
+ if (mergeFailure)
return false;
}
}
-
+
+ if (Start != End)
+ {
+ Gen.SelectReleaseFile("", "");
+ std::for_each(Start, End, indexFileMerge);
+ if (mergeFailure)
+ return false;
+ }
return true;
}
/*}}}*/
-// MakeStatusCache - Construct the status cache /*{{{*/
+// 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. */
+static DynamicMMap* CreateDynamicMMap(FileFd * const CacheF, unsigned long Flags)
+{
+ map_filesize_t const MapStart = _config->FindI("APT::Cache-Start", 24*1024*1024);
+ map_filesize_t const MapGrow = _config->FindI("APT::Cache-Grow", 1*1024*1024);
+ map_filesize_t 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);
+}
+static bool writeBackMMapToFile(pkgCacheGenerator * const Gen, DynamicMMap * const Map,
+ std::string const &FileName)
+{
+ FileFd SCacheF(FileName, FileFd::WriteAtomic);
+ if (SCacheF.IsOpen() == false || SCacheF.Failed())
+ return false;
+
+ fchmod(SCacheF.Fd(),0644);
+
+ // Write out the main data
+ if (SCacheF.Write(Map->Data(),Map->Size()) == false)
+ return _error->Error(_("IO Error saving source cache"));
+
+ // Write out the proper header
+ Gen->GetCache().HeaderP->Dirty = false;
+ Gen->GetCache().HeaderP->CacheFileSize = Gen->GetCache().CacheHash();
+ if (SCacheF.Seek(0) == false ||
+ SCacheF.Write(Map->Data(),sizeof(*Gen->GetCache().HeaderP)) == false)
+ return _error->Error(_("IO Error saving source cache"));
+ Gen->GetCache().HeaderP->Dirty = true;
+ return true;
+}
+static bool loadBackMMapFromFile(std::unique_ptr<pkgCacheGenerator> &Gen,
+ std::unique_ptr<DynamicMMap> &Map, OpProgress * const Progress, std::string const &FileName)
+{
+ Map.reset(CreateDynamicMMap(NULL, 0));
+ if (unlikely(Map->validData()) == false)
+ return false;
+ FileFd CacheF(FileName, FileFd::ReadOnly);
+ if (CacheF.IsOpen() == false || CacheF.Failed())
+ return false;
+ _error->PushToStack();
+ map_pointer_t const alloc = Map->RawAllocate(CacheF.Size());
+ bool const newError = _error->PendingError();
+ _error->MergeWithStack();
+ if (alloc == 0 && newError)
+ return false;
+ if (CacheF.Read((unsigned char *)Map->Data() + alloc, CacheF.Size()) == false)
+ return false;
+ Gen.reset(new pkgCacheGenerator(Map.get(),Progress));
+ return Gen->Start();
+}
bool pkgMakeStatusCache(pkgSourceList &List,OpProgress &Progress,
- MMap **OutMap,bool AllowMem)
+ MMap **OutMap, bool AllowMem)
+ { return pkgCacheGenerator::MakeStatusCache(List, &Progress, OutMap, AllowMem); }
+bool pkgCacheGenerator::MakeStatusCache(pkgSourceList &List,OpProgress *Progress,
+ MMap **OutMap,bool)
{
- unsigned long MapSize = _config->FindI("APT::Cache-Limit",12*1024*1024);
-
- vector<pkgIndexFile *> Files;
- for (vector<metaIndex *>::const_iterator i = List.begin();
- i != List.end();
- i++)
- {
- vector <pkgIndexFile *> *Indexes = (*i)->GetIndexFiles();
- for (vector<pkgIndexFile *>::const_iterator j = Indexes->begin();
- j != Indexes->end();
- j++)
- Files.push_back (*j);
- }
-
- unsigned long EndOfSource = Files.size();
+ return pkgCacheGenerator::MakeStatusCache(List, Progress, OutMap, nullptr, true);
+}
+bool pkgCacheGenerator::MakeStatusCache(pkgSourceList &List,OpProgress *Progress,
+ MMap **OutMap,pkgCache **OutCache, bool)
+{
+ // FIXME: deprecate the ignored AllowMem parameter
+ bool const Debug = _config->FindB("Debug::pkgCacheGen", false);
+
+ std::vector<pkgIndexFile *> Files;
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 cache
- bool Writeable = false;
- if (CacheFile.empty() == false)
- Writeable = access(flNotFile(CacheFile).c_str(),W_OK) == 0;
- else
+ 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)
- Writeable = access(flNotFile(SrcCacheFile).c_str(),W_OK) == 0;
-
- 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"));
-
- // Cache is OK, Fin.
- if (CheckValidity(CacheFile,Files.begin(),Files.end(),OutMap) == true)
+ CreateDirectory(dir, flNotFile(SrcCacheFile));
+ }
+
+ if (Progress != NULL)
+ Progress->OverallProgress(0,1,1,_("Reading package lists"));
+
+ bool pkgcache_fine = false;
+ bool srcpkgcache_fine = false;
+ bool volatile_fine = List.GetVolatileFiles().empty();
+
+ if (CheckValidity(CacheFile, List, Files.begin(), Files.end(), volatile_fine ? OutMap : NULL,
+ volatile_fine ? OutCache : NULL) == true)
{
- Progress.OverallProgress(1,1,1,_("Reading package lists"));
- return true;
+ if (Debug == true)
+ std::clog << "pkgcache.bin is valid - no need to build any cache" << std::endl;
+ pkgcache_fine = true;
+ srcpkgcache_fine = true;
}
-
- /* At this point we know we need to reconstruct the package cache,
- begin. */
- SPtr<FileFd> CacheF;
- SPtr<DynamicMMap> Map;
- if (Writeable == true && CacheFile.empty() == false)
- {
- unlink(CacheFile.c_str());
- CacheF = new FileFd(CacheFile,FileFd::WriteEmpty);
- fchmod(CacheF->Fd(),0644);
- Map = new DynamicMMap(*CacheF,MMap::Public,MapSize);
- if (_error->PendingError() == true)
- return false;
+ if (pkgcache_fine == false)
+ {
+ if (CheckValidity(SrcCacheFile, List, Files.end(), Files.end()) == true)
+ {
+ if (Debug == true)
+ std::clog << "srcpkgcache.bin is valid - it can be reused" << std::endl;
+ srcpkgcache_fine = true;
+ }
}
- else
+
+ if (volatile_fine == true && srcpkgcache_fine == true && pkgcache_fine == true)
+ {
+ if (Progress != NULL)
+ Progress->OverallProgress(1,1,1,_("Reading package lists"));
+ return true;
+ }
+
+ bool Writeable = false;
+ if (srcpkgcache_fine == false || pkgcache_fine == false)
{
- // Just build it in memory..
- Map = new DynamicMMap(MMap::Public,MapSize);
+ if (CacheFile.empty() == false)
+ Writeable = access(flNotFile(CacheFile).c_str(),W_OK) == 0;
+ 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;
}
-
- // Lets try the source cache.
- unsigned long CurrentSize = 0;
- unsigned long TotalSize = 0;
- if (CheckValidity(SrcCacheFile,Files.begin(),
- Files.begin()+EndOfSource) == true)
- {
- // 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)
- return false;
- TotalSize = ComputeSize(Files.begin()+EndOfSource,Files.end());
-
- // Build the status cache
- pkgCacheGenerator Gen(Map.Get(),&Progress);
- if (_error->PendingError() == true)
- return false;
- if (BuildCache(Gen,Progress,CurrentSize,TotalSize,
- Files.begin()+EndOfSource,Files.end()) == false)
+ // At this point we know we need to construct something, so get storage ready
+ std::unique_ptr<DynamicMMap> Map(CreateDynamicMMap(NULL, 0));
+ if (unlikely(Map->validData()) == false)
+ return false;
+ if (Debug == true)
+ std::clog << "Open memory Map (not filebased)" << std::endl;
+
+ std::unique_ptr<pkgCacheGenerator> Gen{nullptr};
+ map_filesize_t CurrentSize = 0;
+ std::vector<pkgIndexFile*> VolatileFiles = List.GetVolatileFiles();
+ map_filesize_t TotalSize = ComputeSize(NULL, VolatileFiles.begin(), VolatileFiles.end());
+ if (srcpkgcache_fine == true && pkgcache_fine == false)
+ {
+ if (Debug == true)
+ std::clog << "srcpkgcache.bin was valid - populate MMap with it" << std::endl;
+ if (loadBackMMapFromFile(Gen, Map, Progress, SrcCacheFile) == false)
return false;
+ srcpkgcache_fine = true;
+ TotalSize += ComputeSize(NULL, Files.begin(), Files.end());
}
- else
+ else if (srcpkgcache_fine == false)
{
- TotalSize = ComputeSize(Files.begin(),Files.end());
-
- // Build the source cache
- pkgCacheGenerator Gen(Map.Get(),&Progress);
- if (_error->PendingError() == true)
+ if (Debug == true)
+ std::clog << "srcpkgcache.bin is NOT valid - rebuild" << std::endl;
+ Gen.reset(new pkgCacheGenerator(Map.get(),Progress));
+ if (Gen->Start() == false)
return false;
- if (BuildCache(Gen,Progress,CurrentSize,TotalSize,
- Files.begin(),Files.begin()+EndOfSource) == false)
+
+ TotalSize += ComputeSize(&List, Files.begin(),Files.end());
+ if (BuildCache(*Gen, Progress, CurrentSize, TotalSize, &List,
+ Files.end(),Files.end()) == false)
return false;
-
- // Write it back
+
if (Writeable == true && SrcCacheFile.empty() == false)
- {
- FileFd SCacheF(SrcCacheFile,FileFd::WriteEmpty);
- if (_error->PendingError() == true)
+ if (writeBackMMapToFile(Gen.get(), Map.get(), SrcCacheFile) == false)
return false;
-
- fchmod(SCacheF.Fd(),0644);
-
- // Write out the main data
- if (SCacheF.Write(Map->Data(),Map->Size()) == false)
- return _error->Error(_("IO Error saving source cache"));
- SCacheF.Sync();
-
- // Write out the proper header
- Gen.GetCache().HeaderP->Dirty = false;
- if (SCacheF.Seek(0) == false ||
- SCacheF.Write(Map->Data(),sizeof(*Gen.GetCache().HeaderP)) == false)
- return _error->Error(_("IO Error saving source cache"));
- Gen.GetCache().HeaderP->Dirty = true;
- SCacheF.Sync();
- }
-
- // Build the status cache
- if (BuildCache(Gen,Progress,CurrentSize,TotalSize,
- Files.begin()+EndOfSource,Files.end()) == false)
+ }
+
+ if (pkgcache_fine == false)
+ {
+ if (Debug == true)
+ std::clog << "Building status cache in pkgcache.bin now" << std::endl;
+ if (BuildCache(*Gen, Progress, CurrentSize, TotalSize, NULL,
+ Files.begin(), Files.end()) == false)
return false;
+
+ if (Writeable == true && CacheFile.empty() == false)
+ if (writeBackMMapToFile(Gen.get(), Map.get(), CacheFile) == false)
+ return false;
}
- if (_error->PendingError() == true)
- return false;
- if (OutMap != 0)
+ if (Debug == true)
+ std::clog << "Caches done. " << (volatile_fine ? "No volatile files, so we are done here." : "Now bring in the volatile files") << std::endl;
+
+ if (volatile_fine == false)
{
- if (CacheF != 0)
+ if (Gen == nullptr)
{
- delete Map.UnGuard();
- *OutMap = new MMap(*CacheF,MMap::Public | MMap::ReadOnly);
+ if (Debug == true)
+ std::clog << "Populate new MMap with cachefile contents" << std::endl;
+ if (loadBackMMapFromFile(Gen, Map, Progress, CacheFile) == false)
+ return false;
}
- else
- {
- *OutMap = Map.UnGuard();
- }
+
+ Files = List.GetVolatileFiles();
+ if (BuildCache(*Gen, Progress, CurrentSize, TotalSize, NULL,
+ Files.begin(), Files.end()) == false)
+ return false;
}
-
+
+ if (OutMap != nullptr)
+ *OutMap = Map.release();
+
+ if (Debug == true)
+ std::clog << "Everything is ready for shipping" << std::endl;
return true;
}
/*}}}*/
-// MakeOnlyStatusCache - Build a cache with just the status files /*{{{*/
-// ---------------------------------------------------------------------
-/* */
+// CacheGenerator::MakeOnlyStatusCache - Build only a status files cache/*{{{*/
+class APT_HIDDEN ScopedErrorMerge {
+public:
+ ScopedErrorMerge() { _error->PushToStack(); }
+ ~ScopedErrorMerge() { _error->MergeWithStack(); }
+};
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",8*1024*1024);
- vector<pkgIndexFile *> Files;
- unsigned long EndOfSource = Files.size();
+ std::vector<pkgIndexFile *> Files;
if (_system->AddStatusFiles(Files) == false)
return false;
-
- SPtr<DynamicMMap> Map;
- Map = new DynamicMMap(MMap::Public,MapSize);
- unsigned long CurrentSize = 0;
- unsigned long TotalSize = 0;
-
- TotalSize = ComputeSize(Files.begin()+EndOfSource,Files.end());
-
+
+ ScopedErrorMerge sem;
+ std::unique_ptr<DynamicMMap> Map(CreateDynamicMMap(NULL, 0));
+ if (unlikely(Map->validData()) == false)
+ return false;
+ map_filesize_t CurrentSize = 0;
+ map_filesize_t TotalSize = 0;
+ TotalSize = ComputeSize(NULL, Files.begin(), Files.end());
+
// Build the status cache
- Progress.OverallProgress(0,1,1,_("Reading package lists"));
- pkgCacheGenerator Gen(Map.Get(),&Progress);
- if (_error->PendingError() == true)
+ if (Progress != NULL)
+ Progress->OverallProgress(0,1,1,_("Reading package lists"));
+ pkgCacheGenerator Gen(Map.get(),Progress);
+ if (Gen.Start() == false || _error->PendingError() == true)
return false;
- if (BuildCache(Gen,Progress,CurrentSize,TotalSize,
- Files.begin()+EndOfSource,Files.end()) == false)
+ if (BuildCache(Gen,Progress,CurrentSize,TotalSize, NULL,
+ Files.begin(), Files.end()) == false)
return false;
-
+
if (_error->PendingError() == true)
return false;
- *OutMap = Map.UnGuard();
+ *OutMap = Map.release();
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;
+}
+ /*}}}*/
+
+pkgCacheListParser::pkgCacheListParser() : Owner(NULL), OldDepLast(NULL), d(NULL) {}
+pkgCacheListParser::~pkgCacheListParser() {}
projects / apt.git / blobdiff