#include <stdio.h>
/*}}}*/
typedef vector<pkgIndexFile *>::iterator FileIterator;
+template <typename Iter> std::vector<Iter*> pkgCacheGenerator::Dynamic<Iter>::toReMap;
// CacheGenerator::pkgCacheGenerator - Constructor /*{{{*/
// ---------------------------------------------------------------------
// Starting header
*Cache.HeaderP = pkgCache::Header();
- Cache.HeaderP->VerSysName = Map.WriteString(_system->VS->Label);
- Cache.HeaderP->Architecture = Map.WriteString(_config->Find("APT::Architecture"));
+ map_ptrloc const idxVerSysName = WriteStringInMap(_system->VS->Label);
+ Cache.HeaderP->VerSysName = idxVerSysName;
+ map_ptrloc const idxArchitecture = WriteStringInMap(_config->Find("APT::Architecture"));
+ Cache.HeaderP->Architecture = idxArchitecture;
+ if (unlikely(idxVerSysName == 0 || idxArchitecture == 0))
+ return;
Cache.ReMap();
}
else
return;
Cache.HeaderP->Dirty = false;
+ Cache.HeaderP->CacheFileSize = Map.Size();
Map.Sync(0,sizeof(pkgCache::Header));
}
/*}}}*/
+void pkgCacheGenerator::ReMap(void const * const oldMap, void const * const newMap) {/*{{{*/
+ if (oldMap == newMap)
+ return;
+
+ if (_config->FindB("Debug::pkgCacheGen", false))
+ std::clog << "Remaping from " << oldMap << " to " << newMap << std::endl;
+
+ Cache.ReMap(false);
+
+ CurrentFile += (pkgCache::PackageFile*) newMap - (pkgCache::PackageFile*) oldMap;
+
+ for (size_t i = 0; i < _count(UniqHash); ++i)
+ if (UniqHash[i] != 0)
+ UniqHash[i] += (pkgCache::StringItem*) newMap - (pkgCache::StringItem*) oldMap;
+
+ for (std::vector<pkgCache::GrpIterator*>::const_iterator i = Dynamic<pkgCache::GrpIterator>::toReMap.begin();
+ i != Dynamic<pkgCache::GrpIterator>::toReMap.end(); ++i)
+ (*i)->ReMap(oldMap, newMap);
+ for (std::vector<pkgCache::PkgIterator*>::const_iterator i = Dynamic<pkgCache::PkgIterator>::toReMap.begin();
+ i != Dynamic<pkgCache::PkgIterator>::toReMap.end(); ++i)
+ (*i)->ReMap(oldMap, newMap);
+ for (std::vector<pkgCache::VerIterator*>::const_iterator i = Dynamic<pkgCache::VerIterator>::toReMap.begin();
+ i != Dynamic<pkgCache::VerIterator>::toReMap.end(); ++i)
+ (*i)->ReMap(oldMap, newMap);
+ for (std::vector<pkgCache::DepIterator*>::const_iterator i = Dynamic<pkgCache::DepIterator>::toReMap.begin();
+ i != Dynamic<pkgCache::DepIterator>::toReMap.end(); ++i)
+ (*i)->ReMap(oldMap, newMap);
+ for (std::vector<pkgCache::DescIterator*>::const_iterator i = Dynamic<pkgCache::DescIterator>::toReMap.begin();
+ i != Dynamic<pkgCache::DescIterator>::toReMap.end(); ++i)
+ (*i)->ReMap(oldMap, newMap);
+ for (std::vector<pkgCache::PrvIterator*>::const_iterator i = Dynamic<pkgCache::PrvIterator>::toReMap.begin();
+ i != Dynamic<pkgCache::PrvIterator>::toReMap.end(); ++i)
+ (*i)->ReMap(oldMap, newMap);
+ for (std::vector<pkgCache::PkgFileIterator*>::const_iterator i = Dynamic<pkgCache::PkgFileIterator>::toReMap.begin();
+ i != Dynamic<pkgCache::PkgFileIterator>::toReMap.end(); ++i)
+ (*i)->ReMap(oldMap, newMap);
+} /*}}}*/
+// CacheGenerator::WriteStringInMap /*{{{*/
+map_ptrloc pkgCacheGenerator::WriteStringInMap(const char *String,
+ const unsigned long &Len) {
+ void const * const oldMap = Map.Data();
+ map_ptrloc const index = Map.WriteString(String, Len);
+ if (index != 0)
+ ReMap(oldMap, Map.Data());
+ return index;
+}
+ /*}}}*/
+// CacheGenerator::WriteStringInMap /*{{{*/
+map_ptrloc pkgCacheGenerator::WriteStringInMap(const char *String) {
+ void const * const oldMap = Map.Data();
+ map_ptrloc const index = Map.WriteString(String);
+ if (index != 0)
+ ReMap(oldMap, Map.Data());
+ return index;
+}
+ /*}}}*/
+map_ptrloc pkgCacheGenerator::AllocateInMap(const unsigned long &size) {/*{{{*/
+ void const * const oldMap = Map.Data();
+ map_ptrloc const index = Map.Allocate(size);
+ if (index != 0)
+ ReMap(oldMap, Map.Data());
+ return index;
+}
+ /*}}}*/
// CacheGenerator::MergeList - Merge the package list /*{{{*/
// ---------------------------------------------------------------------
/* This provides the generation of the entries in the cache. Each loop
if (PackageName.empty() == true)
return false;
- /* As we handle Arch all packages as architecture bounded
- we add all information to every (simulated) arch package */
- std::vector<string> genArch;
- if (List.ArchitectureAll() == true) {
- genArch = APT::Configuration::getArchitectures();
- if (genArch.size() != 1)
- genArch.push_back("all");
- } else
- genArch.push_back(List.Architecture());
-
- for (std::vector<string>::const_iterator arch = genArch.begin();
- arch != genArch.end(); ++arch)
- {
+ string const Arch = List.Architecture();
+
// Get a pointer to the package structure
pkgCache::PkgIterator Pkg;
- if (NewPackage(Pkg, PackageName, *arch) == false)
+ Dynamic<pkgCache::PkgIterator> DynPkg(Pkg);
+ if (NewPackage(Pkg, PackageName, Arch) == false)
return _error->Error(_("Error occurred while processing %s (NewPackage)"),PackageName.c_str());
Counter++;
if (Counter % 100 == 0 && Progress != 0)
// 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)
+ pkgCache::VerIterator Ver(Cache);
+ Dynamic<pkgCache::VerIterator> DynVer(Ver);
+ if (List.UsePackage(Pkg, Ver) == 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;
+ Ver = Pkg.VersionList();
- for (; Ver.end() == false; LastVer = &Ver->NextVer, Ver++)
+ for (; Ver.end() == false; ++Ver)
{
pkgCache::DescIterator Desc = Ver.DescriptionList();
+ Dynamic<pkgCache::DescIterator> DynDesc(Desc);
map_ptrloc *LastDesc = &Ver->DescriptionList;
bool duplicate=false;
if (MD5SumValue(Desc.md5()) == CurMd5)
{
// Add new description
- *LastDesc = NewDescription(Desc, List.DescriptionLanguage(), CurMd5, *LastDesc);
+ void const * const oldMap = Map.Data();
+ map_ptrloc const descindex = NewDescription(Desc, List.DescriptionLanguage(), CurMd5, *LastDesc);
+ if (oldMap != Map.Data())
+ LastDesc += (map_ptrloc*) Map.Data() - (map_ptrloc*) oldMap;
+ *LastDesc = descindex;
Desc->ParentPkg = Pkg.Index();
if ((*LastDesc == 0 && _error->PendingError()) || NewFileDesc(Desc,List) == false)
}
pkgCache::VerIterator Ver = Pkg.VersionList();
+ Dynamic<pkgCache::VerIterator> DynVer(Ver);
map_ptrloc *LastVer = &Pkg->VersionList;
+ void const * oldMap = Map.Data();
int Res = 1;
unsigned long const Hash = List.VersionHash();
for (; Ver.end() == false; LastVer = &Ver->NextVer, Ver++)
}
// Add a new version
- *LastVer = NewVersion(Ver,Version,*LastVer);
+ map_ptrloc const verindex = NewVersion(Ver,Version,*LastVer);
+ if (verindex == 0 && _error->PendingError())
+ return _error->Error(_("Error occurred while processing %s (NewVersion%d)"),
+ PackageName.c_str(), 1);
+
+ if (oldMap != Map.Data())
+ LastVer += (map_ptrloc*) Map.Data() - (map_ptrloc*) oldMap;
+ *LastVer = verindex;
Ver->ParentPkg = Pkg.Index();
Ver->Hash = Hash;
- if ((*LastVer == 0 && _error->PendingError()) || List.NewVersion(Ver) == false)
- return _error->Error(_("Error occurred while processing %s (NewVersion1)"),
- PackageName.c_str());
+ if (List.NewVersion(Ver) == false)
+ return _error->Error(_("Error occurred while processing %s (NewVersion%d)"),
+ PackageName.c_str(), 2);
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());
+ return _error->Error(_("Error occurred while processing %s (NewVersion%d)"),
+ PackageName.c_str(), 3);
// Read only a single record and return
if (OutVer != 0)
/* Record the Description data. Description data always exist in
Packages and Translation-* files. */
pkgCache::DescIterator Desc = Ver.DescriptionList();
+ Dynamic<pkgCache::DescIterator> DynDesc(Desc);
map_ptrloc *LastDesc = &Ver->DescriptionList;
-
+
// Skip to the end of description set
for (; Desc.end() == false; LastDesc = &Desc->NextDesc, Desc++);
// Add new description
- *LastDesc = NewDescription(Desc, List.DescriptionLanguage(), List.Description_md5(), *LastDesc);
+ oldMap = Map.Data();
+ map_ptrloc const descindex = NewDescription(Desc, List.DescriptionLanguage(), List.Description_md5(), *LastDesc);
+ if (oldMap != Map.Data())
+ LastDesc += (map_ptrloc*) Map.Data() - (map_ptrloc*) oldMap;
+ *LastDesc = descindex;
Desc->ParentPkg = Pkg.Index();
if ((*LastDesc == 0 && _error->PendingError()) || NewFileDesc(Desc,List) == false)
return _error->Error(_("Error occurred while processing %s (NewFileDesc2)"),PackageName.c_str());
- }
}
FoundFileDeps |= List.HasFileDeps();
continue;
pkgCache::PkgIterator Pkg = Cache.FindPkg(PackageName);
+ Dynamic<pkgCache::PkgIterator> DynPkg(Pkg);
if (Pkg.end() == true)
return _error->Error(_("Error occurred while processing %s (FindPkg)"),
PackageName.c_str());
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.c_str() == Ver.VerStr())
return true;
// Get a structure
- unsigned long const Group = Map.Allocate(sizeof(pkgCache::Group));
+ map_ptrloc const Group = AllocateInMap(sizeof(pkgCache::Group));
if (unlikely(Group == 0))
return false;
Grp = pkgCache::GrpIterator(Cache, Cache.GrpP + Group);
- Grp->Name = Map.WriteString(Name);
- if (unlikely(Grp->Name == 0))
+ map_ptrloc const idxName = WriteStringInMap(Name);
+ if (unlikely(idxName == 0))
return false;
+ Grp->Name = idxName;
// Insert it into the hash table
unsigned long const Hash = Cache.Hash(Name);
bool pkgCacheGenerator::NewPackage(pkgCache::PkgIterator &Pkg,const string &Name,
const string &Arch) {
pkgCache::GrpIterator Grp;
+ Dynamic<pkgCache::GrpIterator> DynGrp(Grp);
if (unlikely(NewGroup(Grp, Name) == false))
return false;
return true;
// Get a structure
- unsigned long const Package = Map.Allocate(sizeof(pkgCache::Package));
+ map_ptrloc 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
Pkg->Name = Grp->Name;
Pkg->Group = Grp.Index();
- Pkg->Arch = WriteUniqString(Arch.c_str());
- if (unlikely(Pkg->Arch == 0))
+ // all is mapped to the native architecture
+ map_ptrloc const idxArch = (Arch == "all") ? Cache.HeaderP->Architecture : WriteUniqString(Arch.c_str());
+ if (unlikely(idxArch == 0))
return false;
+ Pkg->Arch = idxArch;
Pkg->ID = Cache.HeaderP->PackageCount++;
return true;
return true;
// Get a structure
- unsigned long VerFile = Map.Allocate(sizeof(pkgCache::VerFile));
+ map_ptrloc const VerFile = AllocateInMap(sizeof(pkgCache::VerFile));
if (VerFile == 0)
return 0;
unsigned long Next)
{
// Get a structure
- unsigned long Version = Map.Allocate(sizeof(pkgCache::Version));
+ map_ptrloc const Version = AllocateInMap(sizeof(pkgCache::Version));
if (Version == 0)
return 0;
Ver = pkgCache::VerIterator(Cache,Cache.VerP + Version);
Ver->NextVer = Next;
Ver->ID = Cache.HeaderP->VersionCount++;
- Ver->VerStr = Map.WriteString(VerStr);
- if (Ver->VerStr == 0)
+ map_ptrloc const idxVerStr = WriteStringInMap(VerStr);
+ if (unlikely(idxVerStr == 0))
return 0;
+ Ver->VerStr = idxVerStr;
return Version;
}
return true;
// Get a structure
- unsigned long DescFile = Map.Allocate(sizeof(pkgCache::DescFile));
+ map_ptrloc const DescFile = AllocateInMap(sizeof(pkgCache::DescFile));
if (DescFile == 0)
return false;
map_ptrloc Next)
{
// Get a structure
- map_ptrloc Description = Map.Allocate(sizeof(pkgCache::Description));
+ map_ptrloc const Description = AllocateInMap(sizeof(pkgCache::Description));
if (Description == 0)
return 0;
Desc = pkgCache::DescIterator(Cache,Cache.DescP + Description);
Desc->NextDesc = Next;
Desc->ID = Cache.HeaderP->DescriptionCount++;
- Desc->language_code = Map.WriteString(Lang);
- Desc->md5sum = Map.WriteString(md5sum.Value());
- if (Desc->language_code == 0 || Desc->md5sum == 0)
+ map_ptrloc const idxlanguage_code = WriteStringInMap(Lang);
+ map_ptrloc const idxmd5sum = WriteStringInMap(md5sum.Value());
+ if (unlikely(idxlanguage_code == 0 || idxmd5sum == 0))
return 0;
+ Desc->language_code = idxlanguage_code;
+ Desc->md5sum = idxmd5sum;
return Description;
}
if (archs.size() > 1)
{
// Create Conflicts in between the group
- for (pkgCache::GrpIterator G = GetCache().GrpBegin(); G.end() != true; G++)
+ pkgCache::GrpIterator G = GetCache().GrpBegin();
+ Dynamic<pkgCache::GrpIterator> DynG(G);
+ for (; G.end() != true; G++)
{
string const PkgName = G.Name();
- for (pkgCache::PkgIterator P = G.PackageList(); P.end() != true; P = G.NextPkg(P))
+ pkgCache::PkgIterator P = G.PackageList();
+ Dynamic<pkgCache::PkgIterator> DynP(P);
+ for (; P.end() != true; P = G.NextPkg(P))
{
- if (strcmp(P.Arch(),"all") == 0)
- continue;
pkgCache::PkgIterator allPkg;
- for (pkgCache::VerIterator V = P.VersionList(); V.end() != true; V++)
+ Dynamic<pkgCache::PkgIterator> DynallPkg(allPkg);
+ pkgCache::VerIterator V = P.VersionList();
+ Dynamic<pkgCache::VerIterator> DynV(V);
+ for (; V.end() != true; V++)
{
- string const Arch = V.Arch(true);
+ // copy P.Arch() into a string here as a cache remap
+ // in NewDepends() later may alter the pointer location
+ string Arch = P.Arch() == NULL ? "" : P.Arch();
map_ptrloc *OldDepLast = NULL;
/* MultiArch handling introduces a lot of implicit Dependencies:
- MultiArch: same → Co-Installable if they have the same version
- Architecture: all → Need to be Co-Installable for internal reasons
- All others conflict with all other group members */
- bool const coInstall = (V->MultiArch == pkgCache::Version::All ||
- V->MultiArch == pkgCache::Version::Same);
- if (V->MultiArch == pkgCache::Version::All && allPkg.end() == true)
- allPkg = G.FindPkg("all");
+ bool const coInstall = ((V->MultiArch & pkgCache::Version::Same) == pkgCache::Version::Same);
for (vector<string>::const_iterator A = archs.begin(); A != archs.end(); ++A)
{
- if (*A == Arch)
+ if (Arch == 0 || *A == Arch)
continue;
/* We allow only one installed arch at the time
per group, therefore each group member conflicts
with all other group members */
pkgCache::PkgIterator D = G.FindPkg(*A);
+ Dynamic<pkgCache::PkgIterator> DynD(D);
if (D.end() == true)
continue;
if (coInstall == true)
NewDepends(D, V, V.VerStr(),
pkgCache::Dep::NotEquals, pkgCache::Dep::DpkgBreaks,
OldDepLast);
- if (V->MultiArch == pkgCache::Version::All)
- {
- // Depend on ${self}:all which does depend on nothing
- NewDepends(allPkg, V, V.VerStr(),
- pkgCache::Dep::Equals, pkgCache::Dep::Depends,
- OldDepLast);
- }
} else {
// Conflicts: ${self}:other
NewDepends(D, V, "",
string const &Version,
unsigned int const &Op,
unsigned int const &Type,
- map_ptrloc *OldDepLast)
+ map_ptrloc* &OldDepLast)
{
+ void const * const oldMap = Map.Data();
// Get a structure
- unsigned long const Dependency = Map.Allocate(sizeof(pkgCache::Dependency));
+ 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;
/* 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 (unlikely((Dep->Version = Map.WriteString(Version)) == 0))
+ if (Dep->Version == 0) {
+ map_ptrloc const index = WriteStringInMap(Version);
+ if (unlikely(index == 0))
return false;
+ Dep->Version = index;
+ }
}
// Link it to the package
OldDepLast = &Ver->DependsList;
for (pkgCache::DepIterator D = Ver.DependsList(); D.end() == false; D++)
OldDepLast = &D->NextDepends;
- }
+ } else if (oldMap != Map.Data())
+ OldDepLast += (map_ptrloc*) Map.Data() - (map_ptrloc*) oldMap;
Dep->NextDepends = *OldDepLast;
*OldDepLast = Dep.Index();
// ---------------------------------------------------------------------
/* 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,
+bool pkgCacheGenerator::ListParser::NewDepends(pkgCache::VerIterator &Ver,
const string &PackageName,
const string &Arch,
const string &Version,
unsigned int Type)
{
pkgCache::GrpIterator Grp;
+ Dynamic<pkgCache::GrpIterator> DynGrp(Grp);
if (unlikely(Owner->NewGroup(Grp, PackageName) == false))
return false;
// Locate the target package
pkgCache::PkgIterator Pkg = Grp.FindPkg(Arch);
+ Dynamic<pkgCache::PkgIterator> DynPkg(Pkg);
if (Pkg.end() == true) {
if (unlikely(Owner->NewPackage(Pkg, PackageName, Arch) == false))
return false;
// ListParser::NewProvides - Create a Provides element /*{{{*/
// ---------------------------------------------------------------------
/* */
-bool pkgCacheGenerator::ListParser::NewProvides(pkgCache::VerIterator Ver,
+bool pkgCacheGenerator::ListParser::NewProvides(pkgCache::VerIterator &Ver,
const string &PkgName,
const string &PkgArch,
const string &Version)
pkgCache &Cache = Owner->Cache;
// We do not add self referencing provides
- if (Ver.ParentPkg().Name() == PkgName && PkgArch == Ver.Arch(true))
+ if (Ver.ParentPkg().Name() == PkgName && (PkgArch == Ver.ParentPkg().Arch() ||
+ (PkgArch == "all" && strcmp((Cache.StrP + Cache.HeaderP->Architecture), Ver.ParentPkg().Arch()) == 0)))
return true;
// Get a structure
- unsigned long const Provides = Owner->Map.Allocate(sizeof(pkgCache::Provides));
+ map_ptrloc const Provides = Owner->AllocateInMap(sizeof(pkgCache::Provides));
if (unlikely(Provides == 0))
return false;
Cache.HeaderP->ProvidesCount++;
// Fill it in
pkgCache::PrvIterator Prv(Cache,Cache.ProvideP + Provides,Cache.PkgP);
+ Dynamic<pkgCache::PrvIterator> DynPrv(Prv);
Prv->Version = Ver.Index();
Prv->NextPkgProv = Ver->ProvidesList;
Ver->ProvidesList = Prv.Index();
// Locate the target package
pkgCache::PkgIterator Pkg;
+ Dynamic<pkgCache::PkgIterator> DynPkg(Pkg);
if (unlikely(Owner->NewPackage(Pkg,PkgName, PkgArch) == false))
return false;
unsigned long Flags)
{
// Get some space for the structure
- CurrentFile = Cache.PkgFileP + Map.Allocate(sizeof(*CurrentFile));
- if (CurrentFile == Cache.PkgFileP)
+ map_ptrloc const idxFile = AllocateInMap(sizeof(*CurrentFile));
+ if (unlikely(idxFile == 0))
return false;
-
+ CurrentFile = Cache.PkgFileP + idxFile;
+
// Fill it in
- CurrentFile->FileName = Map.WriteString(File);
- CurrentFile->Site = WriteUniqString(Site);
+ map_ptrloc const idxFileName = WriteStringInMap(File);
+ map_ptrloc const idxSite = WriteUniqString(Site);
+ if (unlikely(idxFileName == 0 || idxSite == 0))
+ return false;
+ CurrentFile->FileName = idxFileName;
+ CurrentFile->Site = idxSite;
CurrentFile->NextFile = Cache.HeaderP->FileList;
CurrentFile->Flags = Flags;
CurrentFile->ID = Cache.HeaderP->PackageFileCount;
- CurrentFile->IndexType = WriteUniqString(Index.GetType()->Label);
+ map_ptrloc const idxIndexType = WriteUniqString(Index.GetType()->Label);
+ if (unlikely(idxIndexType == 0))
+ return false;
+ CurrentFile->IndexType = idxIndexType;
PkgFileName = File;
Cache.HeaderP->FileList = CurrentFile - Cache.PkgFileP;
Cache.HeaderP->PackageFileCount++;
- if (CurrentFile->FileName == 0)
- return false;
-
if (Progress != 0)
Progress->SubProgress(Index.Size());
return true;
}
// Get a structure
- unsigned long Item = Map.Allocate(sizeof(pkgCache::StringItem));
+ void const * const oldMap = Map.Data();
+ map_ptrloc const Item = AllocateInMap(sizeof(pkgCache::StringItem));
if (Item == 0)
return 0;
+ map_ptrloc const idxString = WriteStringInMap(S,Size);
+ if (unlikely(idxString == 0))
+ return 0;
+ if (oldMap != Map.Data()) {
+ Last += (map_ptrloc*) Map.Data() - (map_ptrloc*) oldMap;
+ I += (pkgCache::StringItem*) Map.Data() - (pkgCache::StringItem*) oldMap;
+ }
+ *Last = Item;
+
// Fill in the structure
pkgCache::StringItem *ItemP = Cache.StringItemP + Item;
ItemP->NextItem = I - Cache.StringItemP;
- *Last = Item;
- ItemP->String = Map.WriteString(S,Size);
- if (ItemP->String == 0)
- return 0;
-
+ ItemP->String = idxString;
+
Bucket = ItemP;
return ItemP->String;
}
/* This just verifies that each file in the list of index files exists,
has matching attributes with the cache and the cache does not have
any extra files. */
-static bool CheckValidity(const string &CacheFile, FileIterator Start,
- FileIterator End,MMap **OutMap = 0)
+static bool CheckValidity(const string &CacheFile,
+ pkgSourceList &List,
+ FileIterator Start,
+ FileIterator End,
+ MMap **OutMap = 0)
{
bool const Debug = _config->FindB("Debug::pkgCacheGen", false);
// No file, certainly invalid
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,0);
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
MMap **OutMap,bool AllowMem)
{
bool const Debug = _config->FindB("Debug::pkgCacheGen", false);
- unsigned long const MapSize = _config->FindI("APT::Cache-Limit",24*1024*1024);
vector<pkgIndexFile *> Files;
for (vector<metaIndex *>::const_iterator i = List.begin();
Progress->OverallProgress(0,1,1,_("Reading package lists"));
// Cache is OK, Fin.
- if (CheckValidity(CacheFile,Files.begin(),Files.end(),OutMap) == true)
+ if (CheckValidity(CacheFile, List, Files.begin(),Files.end(),OutMap) == true)
{
if (Progress != NULL)
Progress->OverallProgress(1,1,1,_("Reading package lists"));
SPtr<DynamicMMap> Map;
if (Writeable == true && CacheFile.empty() == false)
{
+ _error->PushToStack();
unlink(CacheFile.c_str());
- CacheF = new FileFd(CacheFile,FileFd::WriteEmpty);
+ CacheF = new FileFd(CacheFile,FileFd::WriteAtomic);
fchmod(CacheF->Fd(),0644);
- Map = new DynamicMMap(*CacheF,MMap::Public,MapSize);
+ Map = CreateDynamicMMap(CacheF, MMap::Public);
if (_error->PendingError() == true)
- return false;
- if (Debug == 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 if (Debug == true)
+ {
+ _error->MergeWithStack();
std::clog << "Open filebased MMap" << std::endl;
+ }
}
- else
+ if (Writeable == false || CacheFile.empty() == true)
{
// Just build it in memory..
- Map = new DynamicMMap(0,MapSize);
+ Map = CreateDynamicMMap(NULL);
if (Debug == true)
std::clog << "Open memory Map (not filebased)" << std::endl;
}
// Lets try the source cache.
unsigned long CurrentSize = 0;
unsigned long TotalSize = 0;
- if (CheckValidity(SrcCacheFile,Files.begin(),
+ if (CheckValidity(SrcCacheFile, List, Files.begin(),
Files.begin()+EndOfSource) == true)
{
if (Debug == true)
// Write it back
if (Writeable == true && SrcCacheFile.empty() == false)
{
- FileFd SCacheF(SrcCacheFile,FileFd::WriteEmpty);
+ FileFd SCacheF(SrcCacheFile,FileFd::WriteAtomic);
if (_error->PendingError() == true)
return false;
{ return pkgCacheGenerator::MakeOnlyStatusCache(&Progress, OutMap); }
bool pkgCacheGenerator::MakeOnlyStatusCache(OpProgress *Progress,DynamicMMap **OutMap)
{
- unsigned long MapSize = _config->FindI("APT::Cache-Limit",20*1024*1024);
vector<pkgIndexFile *> Files;
unsigned long EndOfSource = Files.size();
if (_system->AddStatusFiles(Files) == false)
return false;
-
- SPtr<DynamicMMap> Map = new DynamicMMap(0,MapSize);
+
+ SPtr<DynamicMMap> Map = CreateDynamicMMap(NULL);
unsigned long CurrentSize = 0;
unsigned long TotalSize = 0;
projects / apt.git / blobdiff