From c8e572e3cf36209f3693ce83c47ebce02be9fb99 Mon Sep 17 00:00:00 2001 From: Michael Vogt Date: Sat, 9 Jan 2010 21:19:03 +0100 Subject: [PATCH] * apt-pkg/deb/debindexfile.cc, apt-pkg/pkgcachegen.cc: - add debug option Debug::pkgCacheGen - merge fix for apt-get source pkg=version regression (closes: #561971) --- apt-pkg/deb/debindexfile.cc | 30 +++++++++++++++++ apt-pkg/pkgcachegen.cc | 65 +++++++++++++++++++++++++++++++----- debian/changelog | 5 ++- doc/examples/configure-index | 1 + 4 files changed, 91 insertions(+), 10 deletions(-) diff --git a/apt-pkg/deb/debindexfile.cc b/apt-pkg/deb/debindexfile.cc index ed7633803..be8175e31 100644 --- a/apt-pkg/deb/debindexfile.cc +++ b/apt-pkg/deb/debindexfile.cc @@ -306,9 +306,19 @@ pkgCache::PkgFileIterator debPackagesIndex::FindInCache(pkgCache &Cache) const struct stat St; if (stat(File.FileName(),&St) != 0) + { + if (_config->FindB("Debug::pkgCacheGen", false)) + std::clog << "PackagesIndex::FindInCache - stat failed on " << File.FileName() << std::endl; return pkgCache::PkgFileIterator(Cache); + } if ((unsigned)St.st_size != File->Size || St.st_mtime != File->mtime) + { + if (_config->FindB("Debug::pkgCacheGen", false)) + std::clog << "PackagesIndex::FindInCache - size (" << St.st_size << " <> " << File->Size + << ") or mtime (" << St.st_mtime << " <> " << File->mtime + << ") doesn't match for " << File.FileName() << std::endl; return pkgCache::PkgFileIterator(Cache); + } return File; } @@ -472,9 +482,19 @@ pkgCache::PkgFileIterator debTranslationsIndex::FindInCache(pkgCache &Cache) con struct stat St; if (stat(File.FileName(),&St) != 0) + { + if (_config->FindB("Debug::pkgCacheGen", false)) + std::clog << "TranslationIndex::FindInCache - stat failed on " << File.FileName() << std::endl; return pkgCache::PkgFileIterator(Cache); + } if ((unsigned)St.st_size != File->Size || St.st_mtime != File->mtime) + { + if (_config->FindB("Debug::pkgCacheGen", false)) + std::clog << "TranslationIndex::FindInCache - size (" << St.st_size << " <> " << File->Size + << ") or mtime (" << St.st_mtime << " <> " << File->mtime + << ") doesn't match for " << File.FileName() << std::endl; return pkgCache::PkgFileIterator(Cache); + } return File; } return File; @@ -541,9 +561,19 @@ pkgCache::PkgFileIterator debStatusIndex::FindInCache(pkgCache &Cache) const struct stat St; if (stat(File.FileName(),&St) != 0) + { + if (_config->FindB("Debug::pkgCacheGen", false)) + std::clog << "StatusIndex::FindInCache - stat failed on " << File.FileName() << std::endl; return pkgCache::PkgFileIterator(Cache); + } if ((unsigned)St.st_size != File->Size || St.st_mtime != File->mtime) + { + if (_config->FindB("Debug::pkgCacheGen", false)) + std::clog << "StatusIndex::FindInCache - size (" << St.st_size << " <> " << File->Size + << ") or mtime (" << St.st_mtime << " <> " << File->mtime + << ") doesn't match for " << File.FileName() << std::endl; return pkgCache::PkgFileIterator(Cache); + } return File; } return File; diff --git a/apt-pkg/pkgcachegen.cc b/apt-pkg/pkgcachegen.cc index 68180c702..f988c1018 100644 --- a/apt-pkg/pkgcachegen.cc +++ b/apt-pkg/pkgcachegen.cc @@ -664,16 +664,23 @@ unsigned long pkgCacheGenerator::WriteUniqString(const char *S, static bool CheckValidity(const string &CacheFile, FileIterator Start, FileIterator End,MMap **OutMap = 0) { + bool const Debug = _config->FindB("Debug::pkgCacheGen", false); // No file, certainly invalid if (CacheFile.empty() == true || FileExists(CacheFile) == false) + { + if (Debug == true) + std::clog << "CacheFile doesn't exist" << std::endl; return false; - + } + // Map it FileFd CacheF(CacheFile,FileFd::ReadOnly); SPtr Map = new MMap(CacheF,0); pkgCache Cache(Map); if (_error->PendingError() == true || Map->Size() == 0) { + if (Debug == true) + std::clog << "Errors are pending or Map is empty()" << std::endl; _error->Discard(); return false; } @@ -683,9 +690,15 @@ static bool CheckValidity(const string &CacheFile, FileIterator Start, SPtrArray Visited = new bool[Cache.HeaderP->PackageFileCount]; memset(Visited,0,sizeof(*Visited)*Cache.HeaderP->PackageFileCount); for (; Start != End; Start++) - { + { + if (Debug == true) + std::clog << "Checking PkgFile " << (*Start)->Describe() << ": "; if ((*Start)->HasPackages() == false) + { + if (Debug == true) + std::clog << "Has NO packages" << std::endl; continue; + } if ((*Start)->Exists() == false) { @@ -693,23 +706,40 @@ static bool CheckValidity(const string &CacheFile, FileIterator Start, _error->WarningE("stat",_("Couldn't stat source package list %s"), (*Start)->Describe().c_str()); #endif + if (Debug == true) + std::clog << "file doesn't exist" << std::endl; continue; } // FindInCache is also expected to do an IMS check. pkgCache::PkgFileIterator File = (*Start)->FindInCache(Cache); if (File.end() == true) + { + if (Debug == true) + std::clog << "FindInCache returned end-Pointer" << std::endl; return false; + } Visited[File->ID] = true; + if (Debug == true) + std::clog << "with ID " << File->ID << " is valid" << std::endl; } for (unsigned I = 0; I != Cache.HeaderP->PackageFileCount; I++) if (Visited[I] == false) + { + if (Debug == true) + std::clog << "File with ID" << I << " wasn't visited" << std::endl; return false; + } if (_error->PendingError() == true) { + if (Debug == true) + { + std::clog << "Validity failed because of pending errors:" << std::endl; + _error->DumpErrors(); + } _error->Discard(); return false; } @@ -796,7 +826,8 @@ static bool BuildCache(pkgCacheGenerator &Gen, bool pkgMakeStatusCache(pkgSourceList &List,OpProgress &Progress, MMap **OutMap,bool AllowMem) { - unsigned long MapSize = _config->FindI("APT::Cache-Limit",24*1024*1024); + bool const Debug = _config->FindB("Debug::pkgCacheGen", false); + unsigned long const MapSize = _config->FindI("APT::Cache-Limit",24*1024*1024); vector Files; for (vector::const_iterator i = List.begin(); @@ -810,13 +841,13 @@ bool pkgMakeStatusCache(pkgSourceList &List,OpProgress &Progress, Files.push_back (*j); } - unsigned long EndOfSource = Files.size(); + unsigned long const EndOfSource = Files.size(); if (_system->AddStatusFiles(Files) == false) return false; // Decide if we can write to the files.. - string CacheFile = _config->FindFile("Dir::Cache::pkgcache"); - string SrcCacheFile = _config->FindFile("Dir::Cache::srcpkgcache"); + string const CacheFile = _config->FindFile("Dir::Cache::pkgcache"); + string const SrcCacheFile = _config->FindFile("Dir::Cache::srcpkgcache"); // Decide if we can write to the cache bool Writeable = false; @@ -825,7 +856,9 @@ bool pkgMakeStatusCache(pkgSourceList &List,OpProgress &Progress, 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()); @@ -835,8 +868,12 @@ bool pkgMakeStatusCache(pkgSourceList &List,OpProgress &Progress, if (CheckValidity(CacheFile,Files.begin(),Files.end(),OutMap) == true) { Progress.OverallProgress(1,1,1,_("Reading package lists")); + if (Debug == true) + std::clog << "pkgcache.bin is valid - no need to build anything" << std::endl; return true; } + else if (Debug == true) + std::clog << "pkgcache.bin is NOT valid" << std::endl; /* At this point we know we need to reconstruct the package cache, begin. */ @@ -850,11 +887,15 @@ bool pkgMakeStatusCache(pkgSourceList &List,OpProgress &Progress, Map = new DynamicMMap(*CacheF,MMap::Public,MapSize); if (_error->PendingError() == true) return false; + if (Debug == true) + std::clog << "Open filebased MMap" << std::endl; } else { // Just build it in memory.. Map = new DynamicMMap(0,MapSize); + if (Debug == true) + std::clog << "Open memory Map (not filebased)" << std::endl; } // Lets try the source cache. @@ -863,16 +904,18 @@ bool pkgMakeStatusCache(pkgSourceList &List,OpProgress &Progress, if (CheckValidity(SrcCacheFile,Files.begin(), Files.begin()+EndOfSource) == true) { + if (Debug == true) + std::clog << "srcpkgcache.bin is valid - populate MMap with it." << std::endl; // Preload the map with the source cache FileFd SCacheF(SrcCacheFile,FileFd::ReadOnly); - unsigned long alloc = Map->RawAllocate(SCacheF.Size()); + unsigned long const alloc = Map->RawAllocate(SCacheF.Size()); if ((alloc == 0 && _error->PendingError()) || SCacheF.Read((unsigned char *)Map->Data() + alloc, SCacheF.Size()) == false) return false; TotalSize = ComputeSize(Files.begin()+EndOfSource,Files.end()); - + // Build the status cache pkgCacheGenerator Gen(Map.Get(),&Progress); if (_error->PendingError() == true) @@ -883,6 +926,8 @@ bool pkgMakeStatusCache(pkgSourceList &List,OpProgress &Progress, } else { + if (Debug == true) + std::clog << "srcpkgcache.bin is NOT valid - rebuild" << std::endl; TotalSize = ComputeSize(Files.begin(),Files.end()); // Build the source cache @@ -921,6 +966,8 @@ bool pkgMakeStatusCache(pkgSourceList &List,OpProgress &Progress, Files.begin()+EndOfSource,Files.end()) == false) return false; } + if (Debug == true) + std::clog << "Caches are ready for shipping" << std::endl; if (_error->PendingError() == true) return false; diff --git a/debian/changelog b/debian/changelog index adbcf815b..172a50b5e 100644 --- a/debian/changelog +++ b/debian/changelog @@ -33,10 +33,13 @@ apt (0.7.25.1) UNRELEASED; urgency=low * methods/https.cc: - finally merge the rest of the patchset from Arnaud Ebalard with the CRL and Issuers options, thanks! (Closes: #485963) + * apt-pkg/deb/debindexfile.cc, apt-pkg/pkgcachegen.cc: + - add debug option Debug::pkgCacheGen [ Michael Vogt ] * cmdline/apt-get.cc: - - fix apt-get source pkg=version regression (closes: #561971) + - merge fix for apt-get source pkg=version regression + (closes: #561971) * po/ru.po: - merged updated ru.po, thanks to Yuri Kozlov (closes: #564171) diff --git a/doc/examples/configure-index b/doc/examples/configure-index index b22603ed7..d46679998 100644 --- a/doc/examples/configure-index +++ b/doc/examples/configure-index @@ -383,6 +383,7 @@ Debug pkgProblemResolver::ShowScores "false"; pkgDepCache::AutoInstall "false"; // what packages apt install to satify dependencies pkgDepCache::Marker "false"; + pkgCacheGen "false"; pkgAcquire "false"; pkgAcquire::Worker "false"; pkgAcquire::Auth "false"; -- 2.45.2