// -*- mode: cpp; mode: fold -*- // Description /*{{{*/ // $Id: debindexfile.cc,v 1.5.2.3 2004/01/04 19:11:00 mdz Exp $ /* ###################################################################### Debian Specific sources.list types and the three sorts of Debian index files. ##################################################################### */ /*}}}*/ // Include Files /*{{{*/ #ifdef __GNUG__ #pragma implementation "apt-pkg/debindexfile.h" #endif #include <apt-pkg/debindexfile.h> #include <apt-pkg/debsrcrecords.h> #include <apt-pkg/deblistparser.h> #include <apt-pkg/debrecords.h> #include <apt-pkg/sourcelist.h> #include <apt-pkg/configuration.h> #include <apt-pkg/progress.h> #include <apt-pkg/error.h> #include <apt-pkg/strutl.h> #include <apt-pkg/acquire-item.h> #include <apt-pkg/debmetaindex.h> #include <sys/stat.h> /*}}}*/ // SourcesIndex::debSourcesIndex - Constructor /*{{{*/ // --------------------------------------------------------------------- /* */ debSourcesIndex::debSourcesIndex(string URI,string Dist,string Section,bool Trusted) : pkgIndexFile(Trusted), URI(URI), Dist(Dist), Section(Section) { } /*}}}*/ // SourcesIndex::SourceInfo - Short 1 liner describing a source /*{{{*/ // --------------------------------------------------------------------- /* The result looks like: http://foo/ stable/main src 1.1.1 (dsc) */ string debSourcesIndex::SourceInfo(pkgSrcRecords::Parser const &Record, pkgSrcRecords::File const &File) const { string Res; Res = ::URI::SiteOnly(URI) + ' '; if (Dist[Dist.size() - 1] == '/') { if (Dist != "/") Res += Dist; } else Res += Dist + '/' + Section; Res += " "; Res += Record.Package(); Res += " "; Res += Record.Version(); if (File.Type.empty() == false) Res += " (" + File.Type + ")"; return Res; } /*}}}*/ // SourcesIndex::CreateSrcParser - Get a parser for the source files /*{{{*/ // --------------------------------------------------------------------- /* */ pkgSrcRecords::Parser *debSourcesIndex::CreateSrcParser() const { string SourcesURI = URItoFileName(IndexURI("Sources")); return new debSrcRecordParser(_config->FindDir("Dir::State::lists") + SourcesURI,this); } /*}}}*/ // SourcesIndex::Describe - Give a descriptive path to the index /*{{{*/ // --------------------------------------------------------------------- /* */ string debSourcesIndex::Describe(bool Short) const { char S[300]; if (Short == true) snprintf(S,sizeof(S),"%s",Info("Sources").c_str()); else snprintf(S,sizeof(S),"%s (%s)",Info("Sources").c_str(), IndexFile("Sources").c_str()); return S; } /*}}}*/ // SourcesIndex::Info - One liner describing the index URI /*{{{*/ // --------------------------------------------------------------------- /* */ string debSourcesIndex::Info(const char *Type) const { string Info = ::URI::SiteOnly(URI) + ' '; if (Dist[Dist.size() - 1] == '/') { if (Dist != "/") Info += Dist; } else Info += Dist + '/' + Section; Info += " "; Info += Type; return Info; } /*}}}*/ // SourcesIndex::Index* - Return the URI to the index files /*{{{*/ // --------------------------------------------------------------------- /* */ inline string debSourcesIndex::IndexFile(const char *Type) const { return URItoFileName(IndexURI(Type)); } string debSourcesIndex::IndexURI(const char *Type) const { string Res; if (Dist[Dist.size() - 1] == '/') { if (Dist != "/") Res = URI + Dist; else Res = URI; } else Res = URI + "dists/" + Dist + '/' + Section + "/source/"; Res += Type; return Res; } /*}}}*/ // SourcesIndex::Exists - Check if the index is available /*{{{*/ // --------------------------------------------------------------------- /* */ bool debSourcesIndex::Exists() const { return FileExists(IndexFile("Sources")); } /*}}}*/ // SourcesIndex::Size - Return the size of the index /*{{{*/ // --------------------------------------------------------------------- /* */ unsigned long debSourcesIndex::Size() const { struct stat S; if (stat(IndexFile("Sources").c_str(),&S) != 0) return 0; return S.st_size; } /*}}}*/ // PackagesIndex::debPackagesIndex - Contructor /*{{{*/ // --------------------------------------------------------------------- /* */ debPackagesIndex::debPackagesIndex(string URI,string Dist,string Section,bool Trusted) : pkgIndexFile(Trusted), URI(URI), Dist(Dist), Section(Section) { } /*}}}*/ // PackagesIndex::ArchiveInfo - Short version of the archive url /*{{{*/ // --------------------------------------------------------------------- /* This is a shorter version that is designed to be < 60 chars or so */ string debPackagesIndex::ArchiveInfo(pkgCache::VerIterator Ver) const { string Res = ::URI::SiteOnly(URI) + ' '; if (Dist[Dist.size() - 1] == '/') { if (Dist != "/") Res += Dist; } else Res += Dist + '/' + Section; Res += " "; Res += Ver.ParentPkg().Name(); Res += " "; Res += Ver.VerStr(); return Res; } /*}}}*/ // PackagesIndex::Describe - Give a descriptive path to the index /*{{{*/ // --------------------------------------------------------------------- /* This should help the user find the index in the sources.list and in the filesystem for problem solving */ string debPackagesIndex::Describe(bool Short) const { char S[300]; if (Short == true) snprintf(S,sizeof(S),"%s",Info("Packages").c_str()); else snprintf(S,sizeof(S),"%s (%s)",Info("Packages").c_str(), IndexFile("Packages").c_str()); return S; } /*}}}*/ // PackagesIndex::Info - One liner describing the index URI /*{{{*/ // --------------------------------------------------------------------- /* */ string debPackagesIndex::Info(const char *Type) const { string Info = ::URI::SiteOnly(URI) + ' '; if (Dist[Dist.size() - 1] == '/') { if (Dist != "/") Info += Dist; } else Info += Dist + '/' + Section; Info += " "; Info += Type; return Info; } /*}}}*/ // PackagesIndex::Index* - Return the URI to the index files /*{{{*/ // --------------------------------------------------------------------- /* */ inline string debPackagesIndex::IndexFile(const char *Type) const { return _config->FindDir("Dir::State::lists") + URItoFileName(IndexURI(Type)); } string debPackagesIndex::IndexURI(const char *Type) const { string Res; if (Dist[Dist.size() - 1] == '/') { if (Dist != "/") Res = URI + Dist; else Res = URI; } else Res = URI + "dists/" + Dist + '/' + Section + "/binary-" + _config->Find("APT::Architecture") + '/'; Res += Type; return Res; } /*}}}*/ // PackagesIndex::Exists - Check if the index is available /*{{{*/ // --------------------------------------------------------------------- /* */ bool debPackagesIndex::Exists() const { return FileExists(IndexFile("Packages")); } /*}}}*/ // PackagesIndex::Size - Return the size of the index /*{{{*/ // --------------------------------------------------------------------- /* This is really only used for progress reporting. */ unsigned long debPackagesIndex::Size() const { struct stat S; if (stat(IndexFile("Packages").c_str(),&S) != 0) return 0; return S.st_size; } /*}}}*/ // PackagesIndex::Merge - Load the index file into a cache /*{{{*/ // --------------------------------------------------------------------- /* */ bool debPackagesIndex::Merge(pkgCacheGenerator &Gen,OpProgress &Prog) const { string PackageFile = IndexFile("Packages"); FileFd Pkg(PackageFile,FileFd::ReadOnly); debListParser Parser(&Pkg); if (_error->PendingError() == true) return _error->Error("Problem opening %s",PackageFile.c_str()); Prog.SubProgress(0,Info("Packages")); ::URI Tmp(URI); if (Gen.SelectFile(PackageFile,Tmp.Host,*this) == false) return _error->Error("Problem with SelectFile %s",PackageFile.c_str()); // Store the IMS information pkgCache::PkgFileIterator File = Gen.GetCurFile(); struct stat St; if (fstat(Pkg.Fd(),&St) != 0) return _error->Errno("fstat","Failed to stat"); File->Size = St.st_size; File->mtime = St.st_mtime; if (Gen.MergeList(Parser) == false) return _error->Error("Problem with MergeList %s",PackageFile.c_str()); // Check the release file string ReleaseFile = debReleaseIndex(URI,Dist).MetaIndexFile("Release"); if (FileExists(ReleaseFile) == true) { FileFd Rel(ReleaseFile,FileFd::ReadOnly); if (_error->PendingError() == true) return false; Parser.LoadReleaseInfo(File,Rel,Section); } return true; } /*}}}*/ // PackagesIndex::FindInCache - Find this index /*{{{*/ // --------------------------------------------------------------------- /* */ pkgCache::PkgFileIterator debPackagesIndex::FindInCache(pkgCache &Cache) const { string FileName = IndexFile("Packages"); pkgCache::PkgFileIterator File = Cache.FileBegin(); for (; File.end() == false; File++) { if (FileName != File.FileName()) continue; struct stat St; if (stat(File.FileName(),&St) != 0) return pkgCache::PkgFileIterator(Cache); if ((unsigned)St.st_size != File->Size || St.st_mtime != File->mtime) return pkgCache::PkgFileIterator(Cache); return File; } return File; } /*}}}*/ // StatusIndex::debStatusIndex - Constructor /*{{{*/ // --------------------------------------------------------------------- /* */ debStatusIndex::debStatusIndex(string File) : pkgIndexFile(true), File(File) { } /*}}}*/ // StatusIndex::Size - Return the size of the index /*{{{*/ // --------------------------------------------------------------------- /* */ unsigned long debStatusIndex::Size() const { struct stat S; if (stat(File.c_str(),&S) != 0) return 0; return S.st_size; } /*}}}*/ // StatusIndex::Merge - Load the index file into a cache /*{{{*/ // --------------------------------------------------------------------- /* */ bool debStatusIndex::Merge(pkgCacheGenerator &Gen,OpProgress &Prog) const { FileFd Pkg(File,FileFd::ReadOnly); if (_error->PendingError() == true) return false; debListParser Parser(&Pkg); if (_error->PendingError() == true) return false; Prog.SubProgress(0,File); if (Gen.SelectFile(File,string(),*this,pkgCache::Flag::NotSource) == false) return _error->Error("Problem with SelectFile %s",File.c_str()); // Store the IMS information pkgCache::PkgFileIterator CFile = Gen.GetCurFile(); struct stat St; if (fstat(Pkg.Fd(),&St) != 0) return _error->Errno("fstat","Failed to stat"); CFile->Size = St.st_size; CFile->mtime = St.st_mtime; CFile->Archive = Gen.WriteUniqString("now"); if (Gen.MergeList(Parser) == false) return _error->Error("Problem with MergeList %s",File.c_str()); return true; } /*}}}*/ // StatusIndex::FindInCache - Find this index /*{{{*/ // --------------------------------------------------------------------- /* */ pkgCache::PkgFileIterator debStatusIndex::FindInCache(pkgCache &Cache) const { pkgCache::PkgFileIterator File = Cache.FileBegin(); for (; File.end() == false; File++) { if (this->File != File.FileName()) continue; struct stat St; if (stat(File.FileName(),&St) != 0) return pkgCache::PkgFileIterator(Cache); if ((unsigned)St.st_size != File->Size || St.st_mtime != File->mtime) return pkgCache::PkgFileIterator(Cache); return File; } return File; } /*}}}*/ // StatusIndex::Exists - Check if the index is available /*{{{*/ // --------------------------------------------------------------------- /* */ bool debStatusIndex::Exists() const { // Abort if the file does not exist. return true; } /*}}}*/ // Index File types for Debian /*{{{*/ class debIFTypeSrc : public pkgIndexFile::Type { public: debIFTypeSrc() {Label = "Debian Source Index";}; }; class debIFTypePkg : public pkgIndexFile::Type { public: virtual pkgRecords::Parser *CreatePkgParser(pkgCache::PkgFileIterator File) const { return new debRecordParser(File.FileName(),*File.Cache()); }; debIFTypePkg() {Label = "Debian Package Index";}; }; class debIFTypeStatus : public pkgIndexFile::Type { public: virtual pkgRecords::Parser *CreatePkgParser(pkgCache::PkgFileIterator File) const { return new debRecordParser(File.FileName(),*File.Cache()); }; debIFTypeStatus() {Label = "Debian dpkg status file";}; }; static debIFTypeSrc _apt_Src; static debIFTypePkg _apt_Pkg; static debIFTypeStatus _apt_Status; const pkgIndexFile::Type *debSourcesIndex::GetType() const { return &_apt_Src; } const pkgIndexFile::Type *debPackagesIndex::GetType() const { return &_apt_Pkg; } const pkgIndexFile::Type *debStatusIndex::GetType() const { return &_apt_Status; } /*}}}*/