#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 <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 <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 <apti18n.h>
/*}}}*/
+template<class T> using Dynamic = pkgCacheGenerator::Dynamic<T>;
typedef std::vector<pkgIndexFile *>::iterator FileIterator;
template <typename Iter> std::vector<Iter*> pkgCacheGenerator::Dynamic<Iter>::toReMap;
MD5SumValue const &CurMd5, std::string const &CurLang);
using std::string;
+using APT::StringView;
// CacheGenerator::pkgCacheGenerator - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* 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();
- if (Map.RawAllocate(sizeof(pkgCache::Header)) == 0 && _error->PendingError() == true)
- return;
+ _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();
- map_ptrloc const idxVerSysName = WriteStringInMap(_system->VS->Label);
+
+ // 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;
- // this pointer is set in ReMap, but we need it now for WriteUniqString
- Cache.StringItemP = (pkgCache::StringItem *)Map.Data();
- map_ptrloc const idxArchitecture = WriteUniqString(_config->Find("APT::Architecture"));
Cache.HeaderP->Architecture = idxArchitecture;
- if (unlikely(idxVerSysName == 0 || idxArchitecture == 0))
- return;
+ 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 = Map.Size();
+ 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) {/*{{{*/
+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;
Cache.ReMap(false);
CurrentFile += (pkgCache::PackageFile const * const) newMap - (pkgCache::PackageFile const * const) oldMap;
-
- for (size_t i = 0; i < _count(UniqHash); ++i)
- if (UniqHash[i] != 0)
- UniqHash[i] += (pkgCache::StringItem const * const) newMap - (pkgCache::StringItem 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)
- (*i)->ReMap(oldMap, newMap);
+ 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)
- (*i)->ReMap(oldMap, newMap);
+ 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)
- (*i)->ReMap(oldMap, newMap);
+ 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)
- (*i)->ReMap(oldMap, newMap);
+ 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)
- (*i)->ReMap(oldMap, newMap);
+ 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)
- (*i)->ReMap(oldMap, newMap);
+ 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)
- (*i)->ReMap(oldMap, newMap);
+ 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_ptrloc pkgCacheGenerator::WriteStringInMap(const char *String,
+map_stringitem_t pkgCacheGenerator::WriteStringInMap(const char *String,
const unsigned long &Len) {
+ size_t oldSize = Map.Size();
void const * const oldMap = Map.Data();
- map_ptrloc const index = Map.WriteString(String, Len);
+ map_stringitem_t const index = Map.WriteString(String, Len);
if (index != 0)
- ReMap(oldMap, Map.Data());
+ ReMap(oldMap, Map.Data(), oldSize);
return index;
}
/*}}}*/
// CacheGenerator::WriteStringInMap /*{{{*/
-map_ptrloc pkgCacheGenerator::WriteStringInMap(const char *String) {
+map_stringitem_t pkgCacheGenerator::WriteStringInMap(const char *String) {
+ size_t oldSize = Map.Size();
void const * const oldMap = Map.Data();
- map_ptrloc const index = Map.WriteString(String);
+ map_stringitem_t const index = Map.WriteString(String);
if (index != 0)
- ReMap(oldMap, Map.Data());
+ ReMap(oldMap, Map.Data(), oldSize);
return index;
}
/*}}}*/
-map_ptrloc pkgCacheGenerator::AllocateInMap(const unsigned long &size) {/*{{{*/
+map_pointer_t pkgCacheGenerator::AllocateInMap(const unsigned long &size) {/*{{{*/
+ size_t oldSize = Map.Size();
void const * const oldMap = Map.Data();
- map_ptrloc const index = Map.Allocate(size);
+ map_pointer_t const index = Map.Allocate(size);
if (index != 0)
- ReMap(oldMap, Map.Data());
+ ReMap(oldMap, Map.Data(), oldSize);
return index;
}
/*}}}*/
if (Counter % 100 == 0 && Progress != 0)
Progress->Progress(List.Offset());
- string Arch = List.Architecture();
- string const 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
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 (OutVer != 0)
- {
- FoundFileDeps |= List.HasFileDeps();
return true;
- }
}
- if (Cache.HeaderP->PackageCount >= (1ULL<<sizeof(Cache.PkgP->ID)*8)-1)
+ 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 >= (1ULL<<(sizeof(Cache.VerP->ID)*8))-1)
+ 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 >= (1ULL<<(sizeof(Cache.DescP->ID)*8))-1)
+ 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 >= (1ULL<<(sizeof(Cache.DepP->ID)*8))-1ULL)
+ 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."));
- FoundFileDeps |= List.HasFileDeps();
return true;
}
// CacheGenerator::MergeListGroup /*{{{*/
// Find the right version to write the description
MD5SumValue CurMd5 = List.Description_md5();
- if (CurMd5.Value().empty() == true || List.Description().empty() == true)
- return true;
- std::string CurLang = List.DescriptionLanguage();
-
+ std::vector<std::string> availDesc = List.AvailableDescriptionLanguages();
for (Ver = Pkg.VersionList(); Ver.end() == false; ++Ver)
{
pkgCache::DescIterator VerDesc = Ver.DescriptionList();
if (VerDesc.end() == true || MD5SumValue(VerDesc.md5()) != CurMd5)
continue;
- // don't add a new description if we have one for the given
- // md5 && language
- if (IsDuplicateDescription(VerDesc, CurMd5, CurLang) == true)
- continue;
-
- pkgCache::DescIterator Desc;
- Dynamic<pkgCache::DescIterator> DynDesc(Desc);
-
- map_ptrloc const descindex = NewDescription(Desc, CurLang, CurMd5, VerDesc->md5sum);
- if (unlikely(descindex == 0 && _error->PendingError()))
- return _error->Error(_("Error occurred while processing %s (%s%d)"),
- Pkg.Name(), "NewDescription", 1);
-
- Desc->ParentPkg = Pkg.Index();
-
- // we add at the end, so that the start is constant as we need
- // that to be able to efficiently share these lists
- VerDesc = Ver.DescriptionList(); // old value might be invalid after ReMap
- for (;VerDesc.end() == false && VerDesc->NextDesc != 0; ++VerDesc);
- map_ptrloc * const LastNextDesc = (VerDesc.end() == true) ? &Ver->DescriptionList : &VerDesc->NextDesc;
- *LastNextDesc = descindex;
+ 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;
- if (NewFileDesc(Desc,List) == false)
- return _error->Error(_("Error occurred while processing %s (%s%d)"),
- Pkg.Name(), "NewFileDesc", 1);
+ AddNewDescription(List, Ver, *CurLang, CurMd5, md5idx);
+ }
// we can stop here as all "same" versions will share the description
break;
/*}}}*/
// CacheGenerator::MergeListVersion /*{{{*/
bool pkgCacheGenerator::MergeListVersion(ListParser &List, pkgCache::PkgIterator &Pkg,
- std::string const &Version, pkgCache::VerIterator* &OutVer)
+ APT::StringView const &Version, pkgCache::VerIterator* &OutVer)
{
pkgCache::VerIterator Ver = Pkg.VersionList();
Dynamic<pkgCache::VerIterator> DynVer(Ver);
- map_ptrloc *LastVer = &Pkg->VersionList;
+ map_pointer_t *LastVer = &Pkg->VersionList;
void const * oldMap = Map.Data();
- unsigned long const Hash = List.VersionHash();
+ 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());
+ 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 && Ver->Hash == Hash)
- break;
+ 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)
}
}
// Add a new version
- map_ptrloc const verindex = NewVersion(Ver, Version, Pkg.Index(), Hash, *LastVer);
- if (verindex == 0 && _error->PendingError())
+ 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 (oldMap != Map.Data())
- LastVer += (map_ptrloc const * const) Map.Data() - (map_ptrloc const * const) oldMap;
+ LastVer += (map_pointer_t const * const) Map.Data() - (map_pointer_t const * const) oldMap;
*LastVer = verindex;
if (unlikely(List.NewVersion(Ver) == 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)
- {
- 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
- NewDepends(Pkg, ConVersion, D->Version,
- D->CompareOp, D->Type, OldDepLast);
- }
- }
- }
}
if (unlikely(AddImplicitDepends(Grp, Pkg, Ver) == false))
return _error->Error(_("Error occurred while processing %s (%s%d)"),
return true;
}
- /* Record the Description (it is not translated) */
+ /* Record the Description(s) based on their master md5sum */
MD5SumValue CurMd5 = List.Description_md5();
- if (CurMd5.Value().empty() == true || List.Description().empty() == true)
- return true;
- std::string CurLang = List.DescriptionLanguage();
/* 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
for (pkgCache::VerIterator V = P.VersionList();
V.end() == false; ++V)
{
- if (IsDuplicateDescription(V.DescriptionList(), CurMd5, "") == false)
+ if (V->DescriptionList == 0 || MD5SumValue(V.DescriptionList().md5()) != CurMd5)
continue;
Ver->DescriptionList = V->DescriptionList;
- return true;
}
}
- // We haven't found reusable descriptions, so add the first description
- pkgCache::DescIterator Desc = Ver.DescriptionList();
+ // 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_ptrloc const descindex = NewDescription(Desc, CurLang, CurMd5, 0);
- if (unlikely(descindex == 0 && _error->PendingError()))
+ map_pointer_t const descindex = NewDescription(Desc, lang, CurMd5, md5idx);
+ if (unlikely(descindex == 0))
return _error->Error(_("Error occurred while processing %s (%s%d)"),
- Pkg.Name(), "NewDescription", 2);
+ Ver.ParentPkg().Name(), "NewDescription", 1);
- Desc->ParentPkg = Pkg.Index();
- Ver->DescriptionList = descindex;
+ 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)"),
- Pkg.Name(), "NewFileDesc", 2);
+ Ver.ParentPkg().Name(), "NewFileDesc", 1);
return true;
}
/*}}}*/
/*}}}*/
-// CacheGenerator::MergeFileProvides - Merge file provides /*{{{*/
-// ---------------------------------------------------------------------
-/* 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)
-{
- 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);
- Dynamic<pkgCache::PkgIterator> DynPkg(Pkg);
- if (Pkg.end() == true)
- 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();
- Dynamic<pkgCache::VerIterator> DynVer(Ver);
- for (; Ver.end() == false; ++Ver)
- {
- if (Ver->Hash == Hash && Version == Ver.VerStr())
- {
- if (List.CollectFileProvides(Cache,Ver) == false)
- return _error->Error(_("Error occurred while processing %s (%s%d)"),
- PackageName.c_str(), "CollectFileProvides", 1);
- break;
- }
- }
-
- if (Ver.end() == true)
- _error->Warning(_("Package %s %s was not found while processing file dependencies"),PackageName.c_str(),Version.c_str());
- }
-
- return true;
-}
- /*}}}*/
// CacheGenerator::NewGroup - Add a new group /*{{{*/
// ---------------------------------------------------------------------
/* This creates a new group structure and adds it to the hash table */
-bool pkgCacheGenerator::NewGroup(pkgCache::GrpIterator &Grp, const string &Name)
+bool pkgCacheGenerator::NewGroup(pkgCache::GrpIterator &Grp, StringView Name)
{
+ Dynamic<StringView> DName(Name);
Grp = Cache.FindGrp(Name);
if (Grp.end() == false)
return true;
// Get a structure
- map_ptrloc const Group = AllocateInMap(sizeof(pkgCache::Group));
+ map_pointer_t const Group = AllocateInMap(sizeof(pkgCache::Group));
if (unlikely(Group == 0))
return false;
Grp = pkgCache::GrpIterator(Cache, Cache.GrpP + Group);
- map_ptrloc const idxName = WriteStringInMap(Name);
+ 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_ptrloc *insertAt = &Cache.HeaderP->GrpHashTable[Hash];
- while (*insertAt != 0 && strcasecmp(Name.c_str(), Cache.StrP + (Cache.GrpP + *insertAt)->Name) > 0)
+ 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;
// 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) {
+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;
return true;
// Get a structure
- map_ptrloc const Package = AllocateInMap(sizeof(pkgCache::Package));
+ map_pointer_t const Package = AllocateInMap(sizeof(pkgCache::Package));
if (unlikely(Package == 0))
return false;
Pkg = pkgCache::PkgIterator(Cache,Cache.PkgP + Package);
+ // 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
- unsigned long const Hash = Cache.Hash(Name);
- map_ptrloc *insertAt = &Cache.HeaderP->PkgHashTable[Hash];
- while (*insertAt != 0 && strcasecmp(Name.c_str(), Cache.StrP + (Cache.PkgP + *insertAt)->Name) > 0)
+ 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;
}
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++;
-
+ // 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;
}
/*}}}*/
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;
+ 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_ptrloc const VerStrIdx = V->VerStr;
+ map_stringitem_t const VerStrIdx = V->VerStr;
for (; D.end() != true; D = G.NextPkg(D))
{
if (Arch == D.Arch() || D->VersionList == 0)
{
// Replaces: ${self}:other ( << ${binary:Version})
NewDepends(D, V, VerStrIdx,
- pkgCache::Dep::Less, pkgCache::Dep::Replaces,
+ pkgCache::Dep::Less | pkgCache::Dep::MultiArchImplicit, pkgCache::Dep::Replaces,
OldDepLast);
// Breaks: ${self}:other (!= ${binary:Version})
NewDepends(D, V, VerStrIdx,
- pkgCache::Dep::NotEquals, pkgCache::Dep::DpkgBreaks,
+ pkgCache::Dep::NotEquals | pkgCache::Dep::MultiArchImplicit, pkgCache::Dep::DpkgBreaks,
OldDepLast);
} else {
// Conflicts: ${self}:other
NewDepends(D, V, 0,
- pkgCache::Dep::NoOp, pkgCache::Dep::Conflicts,
+ pkgCache::Dep::NoOp | pkgCache::Dep::MultiArchImplicit, pkgCache::Dep::Conflicts,
OldDepLast);
}
}
/* 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;
+ map_pointer_t *OldDepLast = NULL;
bool const coInstall = ((V->MultiArch & pkgCache::Version::Same) == pkgCache::Version::Same);
if (coInstall == true)
{
- map_ptrloc const VerStrIdx = V->VerStr;
+ map_stringitem_t const VerStrIdx = V->VerStr;
// Replaces: ${self}:other ( << ${binary:Version})
NewDepends(D, V, VerStrIdx,
- pkgCache::Dep::Less, pkgCache::Dep::Replaces,
+ pkgCache::Dep::Less | pkgCache::Dep::MultiArchImplicit, pkgCache::Dep::Replaces,
OldDepLast);
// Breaks: ${self}:other (!= ${binary:Version})
NewDepends(D, V, VerStrIdx,
- pkgCache::Dep::NotEquals, pkgCache::Dep::DpkgBreaks,
+ pkgCache::Dep::NotEquals | pkgCache::Dep::MultiArchImplicit, pkgCache::Dep::DpkgBreaks,
OldDepLast);
} else {
// Conflicts: ${self}:other
NewDepends(D, V, 0,
- pkgCache::Dep::NoOp, pkgCache::Dep::Conflicts,
+ pkgCache::Dep::NoOp | pkgCache::Dep::MultiArchImplicit, pkgCache::Dep::Conflicts,
OldDepLast);
}
return true;
return true;
// Get a structure
- map_ptrloc const VerFile = AllocateInMap(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;
+ map_pointer_t *Last = &Ver->FileList;
for (pkgCache::VerFileIterator V = Ver.FileList(); V.end() == false; ++V)
Last = &V->NextFile;
VF->NextFile = *Last;
// 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,
- map_ptrloc const ParentPkg,
- unsigned long const Hash,
- 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
- map_ptrloc const Version = AllocateInMap(sizeof(pkgCache::Version));
+ map_pointer_t const Version = AllocateInMap(sizeof(pkgCache::Version));
if (Version == 0)
return 0;
continue;
for (pkgCache::VerIterator V = P.VersionList(); V.end() == false; ++V)
{
- int const cmp = strcmp(V.VerStr(), VerStr.c_str());
- if (cmp == 0)
+ int const cmp = strncmp(V.VerStr(), VerStr.data(), VerStr.length());
+ if (cmp == 0 && V.VerStr()[VerStr.length()] == '\0')
{
Ver->VerStr = V->VerStr;
return Version;
}
}
// haven't found the version string, so create
- map_ptrloc const idxVerStr = WriteStringInMap(VerStr);
+ map_stringitem_t const idxVerStr = StoreString(VERSIONNUMBER, VerStr);
if (unlikely(idxVerStr == 0))
return 0;
Ver->VerStr = idxVerStr;
return true;
// Get a structure
- map_ptrloc const DescFile = AllocateInMap(sizeof(pkgCache::DescFile));
+ map_pointer_t const DescFile = AllocateInMap(sizeof(pkgCache::DescFile));
if (DescFile == 0)
return false;
DF->File = CurrentFile - Cache.PkgFileP;
// Link it to the end of the list
- map_ptrloc *Last = &Desc->FileList;
+ map_pointer_t *Last = &Desc->FileList;
for (pkgCache::DescFileIterator D = Desc.FileList(); D.end() == false; ++D)
Last = &D->NextFile;
// CacheGenerator::NewDescription - Create a new Description /*{{{*/
// ---------------------------------------------------------------------
/* This puts a description structure in the linked list */
-map_ptrloc pkgCacheGenerator::NewDescription(pkgCache::DescIterator &Desc,
+map_pointer_t pkgCacheGenerator::NewDescription(pkgCache::DescIterator &Desc,
const string &Lang,
const MD5SumValue &md5sum,
- map_ptrloc idxmd5str)
+ map_stringitem_t const idxmd5str)
{
// Get a structure
- map_ptrloc const Description = AllocateInMap(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->ID = Cache.HeaderP->DescriptionCount++;
- map_ptrloc const idxlanguage_code = WriteUniqString(Lang);
+ map_stringitem_t const idxlanguage_code = StoreString(MIXED, Lang);
if (unlikely(idxlanguage_code == 0))
return 0;
Desc->language_code = idxlanguage_code;
Desc->md5sum = idxmd5str;
else
{
- map_ptrloc const idxmd5sum = WriteStringInMap(md5sum.Value());
+ map_stringitem_t const idxmd5sum = WriteStringInMap(md5sum.Value());
if (unlikely(idxmd5sum == 0))
return 0;
Desc->md5sum = idxmd5sum;
version and to the package that it is pointing to. */
bool pkgCacheGenerator::NewDepends(pkgCache::PkgIterator &Pkg,
pkgCache::VerIterator &Ver,
- string const &Version,
- unsigned int const &Op,
- unsigned int const &Type,
- map_ptrloc* &OldDepLast)
+ map_pointer_t const Version,
+ uint8_t const Op,
+ uint8_t const Type,
+ map_pointer_t* &OldDepLast)
{
- map_ptrloc index = 0;
- if (Version.empty() == false)
+ void const * const oldMap = Map.Data();
+ // Get a structure
+ map_pointer_t const Dependency = AllocateInMap(sizeof(pkgCache::Dependency));
+ if (unlikely(Dependency == 0))
+ return false;
+
+ bool isDuplicate = false;
+ map_pointer_t DependencyData = 0;
+ map_pointer_t PreviousData = 0;
+ if (Pkg->RevDepends != 0)
{
- 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 && strcmp(Version.c_str(), Ver.VerStr()) == 0)
- index = Ver->VerStr;
+ 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);
+ }
+
+ 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++;
- if (index == 0)
+ 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)
{
- void const * const oldMap = Map.Data();
- index = WriteStringInMap(Version);
- if (unlikely(index == 0))
- return false;
- if (OldDepLast != 0 && oldMap != Map.Data())
- OldDepLast += (map_ptrloc const * const) Map.Data() - (map_ptrloc const * const) oldMap;
+ 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;
}
}
- return NewDepends(Pkg, Ver, index, Op, Type, OldDepLast);
-}
-bool pkgCacheGenerator::NewDepends(pkgCache::PkgIterator &Pkg,
- pkgCache::VerIterator &Ver,
- map_ptrloc const Version,
- unsigned int const &Op,
- unsigned int const &Type,
- map_ptrloc* &OldDepLast)
-{
- void const * const oldMap = Map.Data();
- // Get a structure
- 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->Version = Version;
- Dep->ID = Cache.HeaderP->DependsCount++;
+ 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;
+ }
- // Link it to the package
- Dep->Package = Pkg.Index();
- Dep->NextRevDepends = Pkg->RevDepends;
- Pkg->RevDepends = Dep.Index();
// Do we know where to link the Dependency to?
if (OldDepLast == NULL)
for (pkgCache::DepIterator D = Ver.DependsList(); D.end() == false; ++D)
OldDepLast = &D->NextDepends;
} else if (oldMap != Map.Data())
- OldDepLast += (map_ptrloc const * const) Map.Data() - (map_ptrloc const * const) oldMap;
+ OldDepLast += (map_pointer_t const * const) Map.Data() - (map_pointer_t const * const) oldMap;
Dep->NextDepends = *OldDepLast;
- *OldDepLast = Dep.Index();
+ *OldDepLast = Dependency;
OldDepLast = &Dep->NextDepends;
-
return true;
}
/*}}}*/
// ---------------------------------------------------------------------
/* 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)
+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;
- // 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;
+ 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;
+ }
}
- // Is it a file dependency?
- if (unlikely(PackageName[0] == '/'))
- FoundFileDeps = true;
+ 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;
+ }
- /* 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;
+ }
- return Owner->NewDepends(Pkg, Ver, Version, Op, Type, OldDepLast);
+ 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 &PkgName,
- const string &PkgArch,
- 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() == PkgName && (PkgArch == Ver.ParentPkg().Arch() ||
- (PkgArch == "all" && strcmp((Cache.StrP + Cache.HeaderP->Architecture), Ver.ParentPkg().Arch()) == 0)))
+ (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
- map_ptrloc const Provides = Owner->AllocateInMap(sizeof(pkgCache::Provides));
+ 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);
- Dynamic<pkgCache::PrvIterator> DynPrv(Prv);
Prv->Version = Ver.Index();
+ Prv->ProvideVersion = ProvideVersion;
+ Prv->Flags = Flags;
Prv->NextPkgProv = Ver->ProvidesList;
Ver->ProvidesList = Prv.Index();
- if (Version.empty() == false) {
- map_ptrloc const idxProvideVersion = WriteString(Version);
- Prv->ProvideVersion = idxProvideVersion;
- if (unlikely(idxProvideVersion == 0))
- return false;
- }
-
- // Locate the target package
- pkgCache::PkgIterator Pkg;
- Dynamic<pkgCache::PkgIterator> DynPkg(Pkg);
- if (unlikely(Owner->NewPackage(Pkg,PkgName, PkgArch) == 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
- map_ptrloc const idxFile = AllocateInMap(sizeof(*CurrentFile));
+ map_pointer_t const idxFile = AllocateInMap(sizeof(*CurrentFile));
if (unlikely(idxFile == 0))
return false;
CurrentFile = Cache.PkgFileP + idxFile;
// Fill it in
- map_ptrloc const idxFileName = WriteStringInMap(File);
- map_ptrloc const idxSite = WriteUniqString(Site);
- if (unlikely(idxFileName == 0 || idxSite == 0))
+ map_stringitem_t const idxFileName = WriteStringInMap(File);
+ if (unlikely(idxFileName == 0))
return false;
CurrentFile->FileName = idxFileName;
- CurrentFile->Site = idxSite;
CurrentFile->NextFile = Cache.HeaderP->FileList;
- CurrentFile->Flags = Flags;
CurrentFile->ID = Cache.HeaderP->PackageFileCount;
- map_ptrloc const idxIndexType = 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++;
// ---------------------------------------------------------------------
/* 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;
+ 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;
}
-
- // Match
- if (Res == 0)
- {
- Bucket = I;
- return I->String;
- }
-
- // Get a structure
- 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 const * const) Map.Data() - (map_ptrloc const * const) oldMap;
- I += (pkgCache::StringItem const * const) Map.Data() - (pkgCache::StringItem const * const) oldMap;
- }
- *Last = Item;
- // Fill in the structure
- pkgCache::StringItem *ItemP = Cache.StringItemP + Item;
- ItemP->NextItem = I - Cache.StringItemP;
- ItemP->String = idxString;
+ auto const item = strings->find({S, Size, nullptr, 0});
+ if (item != strings->end())
+ return item->item;
- Bucket = ItemP;
- return ItemP->String;
+ 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,
+class APT_HIDDEN ScopedErrorRevert {
+public:
+ ScopedErrorRevert() { _error->PushToStack(); }
+ ~ScopedErrorRevert() { _error->RevertToStack(); }
+};
+static bool CheckValidity(const string &CacheFile,
pkgSourceList &List,
- FileIterator Start,
- FileIterator End,
- MMap **OutMap = 0)
+ 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 doesn't exist" << std::endl;
+ std::clog << "CacheFile " << CacheFile << " doesn't exist" << std::endl;
return false;
}
// Map it
FileFd CacheF(CacheFile,FileFd::ReadOnly);
- SPtr<MMap> Map = new MMap(CacheF,0);
- 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)
{
if (Debug == true)
- std::clog << "Errors are pending or Map is empty()" << std::endl;
- _error->Discard();
+ std::clog << "Errors are pending or Map is empty() for " << CacheFile << std::endl;
return false;
}
-
- /* 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)
+
+ 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 PkgFile " << (*Start)->Describe() << ": ";
- if ((*Start)->HasPackages() == false)
+ std::clog << "Checking RlsFile " << (*i)->Describe() << ": ";
+ pkgCache::RlsFileIterator const RlsFile = (*i)->FindInCache(Cache, true);
+ if (RlsFile.end() == true)
{
- if (Debug == true)
- std::clog << "Has NO packages" << std::endl;
- continue;
+ if (Debug == true)
+ std::clog << "FindInCache returned end-Pointer" << std::endl;
+ return false;
}
-
- if ((*Start)->Exists() == 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.. */
+ 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)
{
-#if 0 // mvo: we no longer give a message here (Default Sources spec)
- _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);
+ pkgCache::PkgFileIterator File = (*PkgFile)->FindInCache(Cache);
if (File.end() == true)
{
if (Debug == 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;
+ std::clog << "PkgFile 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->DumpErrors(std::clog, GlobalError::DEBUG, false);
}
- _error->Discard();
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;
+ 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)
}
/*}}}*/
// 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;
+
+ auto const indexFileMerge = [&](pkgIndexFile * const I) {
+ if (I->HasPackages() == false || mergeFailure)
+ return;
- if ((*I)->FindInCache(Gen.GetCache()).end() == false)
+ 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();
+
+ map_filesize_t const Size = I->Size();
if (Progress != NULL)
- Progress->OverallProgress(CurrentSize,TotalSize,Size,_("Reading package lists"));
+ 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)
{
- if (Progress != 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();
- if (Progress != NULL)
- 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;
}
/*}}}*/
-// 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
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. */
-__deprecated bool pkgMakeStatusCache(pkgSourceList &List,OpProgress &Progress,
+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)
{ return pkgCacheGenerator::MakeStatusCache(List, &Progress, OutMap, AllowMem); }
bool pkgCacheGenerator::MakeStatusCache(pkgSourceList &List,OpProgress *Progress,
- MMap **OutMap,bool AllowMem)
+ MMap **OutMap,bool)
+{
+ 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;
- for (std::vector<metaIndex *>::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)
- Files.push_back (*j);
- }
-
- unsigned long const EndOfSource = Files.size();
if (_system->AddStatusFiles(Files) == false)
return false;
CreateDirectory(dir, flNotFile(SrcCacheFile));
}
- // 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
- 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());
-
if (Progress != NULL)
Progress->OverallProgress(0,1,1,_("Reading package lists"));
- // Cache is OK, Fin.
- if (CheckValidity(CacheFile, List, Files.begin(),Files.end(),OutMap) == true)
+ 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)
{
- 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;
+ std::clog << "pkgcache.bin is valid - no need to build any cache" << std::endl;
+ pkgcache_fine = true;
+ srcpkgcache_fine = 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<FileFd> CacheF;
- SPtr<DynamicMMap> Map;
- if (Writeable == true && CacheFile.empty() == false)
+ if (pkgcache_fine == false)
{
- _error->PushToStack();
- unlink(CacheFile.c_str());
- CacheF = new FileFd(CacheFile,FileFd::WriteAtomic);
- fchmod(CacheF->Fd(),0644);
- Map = CreateDynamicMMap(CacheF, MMap::Public);
- if (_error->PendingError() == true)
+ if (CheckValidity(SrcCacheFile, List, Files.end(), Files.end()) == true)
{
- 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;
+ std::clog << "srcpkgcache.bin is valid - it can be reused" << std::endl;
+ srcpkgcache_fine = true;
}
}
- if (Writeable == false || CacheFile.empty() == true)
+
+ if (volatile_fine == true && srcpkgcache_fine == true && pkgcache_fine == true)
{
- // Just build it in memory..
- Map = CreateDynamicMMap(NULL);
- if (Debug == true)
- std::clog << "Open memory Map (not filebased)" << std::endl;
+ if (Progress != NULL)
+ Progress->OverallProgress(1,1,1,_("Reading package lists"));
+ return true;
}
-
- // Lets try the source cache.
- unsigned long CurrentSize = 0;
- unsigned long TotalSize = 0;
- if (CheckValidity(SrcCacheFile, List, Files.begin(),
- Files.begin()+EndOfSource) == true)
+
+ bool Writeable = false;
+ if (srcpkgcache_fine == false || pkgcache_fine == false)
{
+ 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 << "srcpkgcache.bin is valid - populate MMap with it." << std::endl;
- // Preload the map with the source cache
- FileFd SCacheF(SrcCacheFile,FileFd::ReadOnly);
- 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;
+ std::clog << "Do we have write-access to the cache files? " << (Writeable ? "YES" : "NO") << std::endl;
+ }
- TotalSize = ComputeSize(Files.begin()+EndOfSource,Files.end());
+ // 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;
- // 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)
+ 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)
{
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);
- if (_error->PendingError() == true)
+ 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::WriteAtomic);
- 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 (Debug == true)
- std::clog << "Caches are ready for shipping" << std::endl;
+ std::clog << "Caches done. " << (volatile_fine ? "No volatile files, so we are done here." : "Now bring in the volatile files") << std::endl;
- if (_error->PendingError() == true)
- return false;
- if (OutMap != 0)
+ if (volatile_fine == false)
{
- if (CacheF != 0)
+ if (Gen == nullptr)
{
- delete Map.UnGuard();
- *OutMap = new MMap(*CacheF,0);
+ 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;
}
/*}}}*/
// CacheGenerator::MakeOnlyStatusCache - Build only a status files cache/*{{{*/
-// ---------------------------------------------------------------------
-/* */
-__deprecated bool pkgMakeOnlyStatusCache(OpProgress &Progress,DynamicMMap **OutMap)
+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)
{
std::vector<pkgIndexFile *> Files;
- unsigned long EndOfSource = Files.size();
if (_system->AddStatusFiles(Files) == false)
return false;
- SPtr<DynamicMMap> Map = CreateDynamicMMap(NULL);
- 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
if (Progress != NULL)
Progress->OverallProgress(0,1,1,_("Reading package lists"));
- pkgCacheGenerator Gen(Map.Get(),Progress);
- if (_error->PendingError() == true)
+ 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;
}
return false;
}
/*}}}*/
-// CacheGenerator::FinishCache /*{{{*/
-bool pkgCacheGenerator::FinishCache(OpProgress * /*Progress*/)
-{
- return true;
-}
- /*}}}*/
+
+pkgCacheListParser::pkgCacheListParser() : Owner(NULL), OldDepLast(NULL), d(NULL) {}
+pkgCacheListParser::~pkgCacheListParser() {}
projects / apt.git / blobdiff