summaryrefslogtreecommitdiff
path: root/apt-pkg/edsp
diff options
context:
space:
mode:
Diffstat (limited to 'apt-pkg/edsp')
-rw-r--r--apt-pkg/edsp/edspindexfile.cc80
-rw-r--r--apt-pkg/edsp/edspindexfile.h28
-rw-r--r--apt-pkg/edsp/edsplistparser.cc92
-rw-r--r--apt-pkg/edsp/edsplistparser.h38
-rw-r--r--apt-pkg/edsp/edspsystem.cc127
-rw-r--r--apt-pkg/edsp/edspsystem.h41
6 files changed, 406 insertions, 0 deletions
diff --git a/apt-pkg/edsp/edspindexfile.cc b/apt-pkg/edsp/edspindexfile.cc
new file mode 100644
index 000000000..b417a7562
--- /dev/null
+++ b/apt-pkg/edsp/edspindexfile.cc
@@ -0,0 +1,80 @@
+// -*- mode: cpp; mode: fold -*-
+// Description /*{{{*/
+/* ######################################################################
+ The scenario file is designed to work as an intermediate file between
+ APT and the resolver. Its on propose very similar to a dpkg status file
+ ##################################################################### */
+ /*}}}*/
+// Include Files /*{{{*/
+#include <config.h>
+
+#include <apt-pkg/edspindexfile.h>
+#include <apt-pkg/edsplistparser.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 <sys/stat.h>
+ /*}}}*/
+
+// edspIndex::edspIndex - Constructor /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+edspIndex::edspIndex(string File) : debStatusIndex(File)
+{
+}
+ /*}}}*/
+// StatusIndex::Merge - Load the index file into a cache /*{{{*/
+bool edspIndex::Merge(pkgCacheGenerator &Gen,OpProgress *Prog) const
+{
+ FileFd Pkg;
+ if (File != "stdin")
+ Pkg.Open(File, FileFd::ReadOnly);
+ else
+ Pkg.OpenDescriptor(STDIN_FILENO, FileFd::ReadOnly);
+ if (_error->PendingError() == true)
+ return false;
+ edspListParser Parser(&Pkg);
+ if (_error->PendingError() == true)
+ return false;
+
+ if (Prog != NULL)
+ Prog->SubProgress(0,File);
+ if (Gen.SelectFile(File,string(),*this) == 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("edsp::scenario");
+
+ if (Gen.MergeList(Parser) == false)
+ return _error->Error("Problem with MergeList %s",File.c_str());
+ return true;
+}
+ /*}}}*/
+// Index File types for APT /*{{{*/
+class edspIFType: public pkgIndexFile::Type
+{
+ public:
+ virtual pkgRecords::Parser *CreatePkgParser(pkgCache::PkgFileIterator File) const
+ {
+ // we don't have a record parser for this type as the file is not presistent
+ return NULL;
+ };
+ edspIFType() {Label = "EDSP scenario file";};
+};
+static edspIFType _apt_Universe;
+
+const pkgIndexFile::Type *edspIndex::GetType() const
+{
+ return &_apt_Universe;
+}
+ /*}}}*/
diff --git a/apt-pkg/edsp/edspindexfile.h b/apt-pkg/edsp/edspindexfile.h
new file mode 100644
index 000000000..0053388eb
--- /dev/null
+++ b/apt-pkg/edsp/edspindexfile.h
@@ -0,0 +1,28 @@
+// -*- mode: cpp; mode: fold -*-
+// Description /*{{{*/
+/* ######################################################################
+ The scenario file is designed to work as an intermediate file between
+ APT and the resolver. Its on propose very similar to a dpkg status file
+ ##################################################################### */
+ /*}}}*/
+#ifndef PKGLIB_EDSPINDEXFILE_H
+#define PKGLIB_EDSPINDEXFILE_H
+
+#include <apt-pkg/indexfile.h>
+#include <apt-pkg/debindexfile.h>
+
+class edspIndex : public debStatusIndex
+{
+ /** \brief dpointer placeholder (for later in case we need it) */
+ void *d;
+
+ public:
+
+ virtual const Type *GetType() const;
+
+ virtual bool Merge(pkgCacheGenerator &Gen,OpProgress *Prog) const;
+
+ edspIndex(string File);
+};
+
+#endif
diff --git a/apt-pkg/edsp/edsplistparser.cc b/apt-pkg/edsp/edsplistparser.cc
new file mode 100644
index 000000000..e00abdbcc
--- /dev/null
+++ b/apt-pkg/edsp/edsplistparser.cc
@@ -0,0 +1,92 @@
+// -*- mode: cpp; mode: fold -*-
+// Description /*{{{*/
+/* ######################################################################
+
+ Package Cache Generator - Generator for the cache structure.
+
+ This builds the cache structure from the abstract package list parser.
+
+ ##################################################################### */
+ /*}}}*/
+// Include Files /*{{{*/
+#include <config.h>
+
+#include <apt-pkg/edsplistparser.h>
+#include <apt-pkg/error.h>
+#include <apt-pkg/configuration.h>
+#include <apt-pkg/strutl.h>
+#include <apt-pkg/md5.h>
+#include <apt-pkg/macros.h>
+ /*}}}*/
+
+// ListParser::edspListParser - Constructor /*{{{*/
+edspListParser::edspListParser(FileFd *File, string const &Arch) : debListParser(File, Arch)
+{}
+ /*}}}*/
+// ListParser::NewVersion - Fill in the version structure /*{{{*/
+bool edspListParser::NewVersion(pkgCache::VerIterator &Ver)
+{
+ Ver->ID = Section.FindI("APT-ID", Ver->ID);
+ return debListParser::NewVersion(Ver);
+}
+ /*}}}*/
+// ListParser::Description - Return the description string /*{{{*/
+// ---------------------------------------------------------------------
+/* Sorry, no description for the resolvers… */
+string edspListParser::Description()
+{
+ return "";
+}
+string edspListParser::DescriptionLanguage()
+{
+ return "";
+}
+MD5SumValue edspListParser::Description_md5()
+{
+ return MD5SumValue("");
+}
+ /*}}}*/
+// ListParser::VersionHash - Compute a unique hash for this version /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+unsigned short edspListParser::VersionHash()
+{
+ if (Section.Exists("APT-Hash") == true)
+ return Section.FindI("APT-Hash");
+ else if (Section.Exists("APT-ID") == true)
+ return Section.FindI("APT-ID");
+ return 0;
+}
+ /*}}}*/
+// ListParser::ParseStatus - Parse the status field /*{{{*/
+// ---------------------------------------------------------------------
+/* The Status: line here is not a normal dpkg one but just one which tells
+ use if the package is installed or not, where missing means not. */
+bool edspListParser::ParseStatus(pkgCache::PkgIterator &Pkg,
+ pkgCache::VerIterator &Ver)
+{
+ unsigned long state = 0;
+ if (Section.FindFlag("Hold",state,pkgCache::State::Hold) == false)
+ return false;
+ if (state != 0)
+ Pkg->SelectedState = pkgCache::State::Hold;
+
+ state = 0;
+ if (Section.FindFlag("Installed",state,pkgCache::State::Installed) == false)
+ return false;
+ if (state != 0)
+ {
+ Pkg->CurrentState = pkgCache::State::Installed;
+ Pkg->CurrentVer = Ver.Index();
+ }
+
+ return true;
+}
+ /*}}}*/
+// ListParser::LoadReleaseInfo - Load the release information /*{{{*/
+bool edspListParser::LoadReleaseInfo(pkgCache::PkgFileIterator &FileI,
+ FileFd &File, string component)
+{
+ return true;
+}
+ /*}}}*/
diff --git a/apt-pkg/edsp/edsplistparser.h b/apt-pkg/edsp/edsplistparser.h
new file mode 100644
index 000000000..ec9f09905
--- /dev/null
+++ b/apt-pkg/edsp/edsplistparser.h
@@ -0,0 +1,38 @@
+// -*- mode: cpp; mode: fold -*-
+// Description /*{{{*/
+/* ######################################################################
+
+ EDSP Package List Parser - This implements the abstract parser
+ interface for the APT specific intermediate format which is passed
+ to external resolvers
+
+ ##################################################################### */
+ /*}}}*/
+#ifndef PKGLIB_EDSPLISTPARSER_H
+#define PKGLIB_EDSPLISTPARSER_H
+
+#include <apt-pkg/deblistparser.h>
+#include <apt-pkg/pkgcachegen.h>
+#include <apt-pkg/indexfile.h>
+#include <apt-pkg/tagfile.h>
+
+class edspListParser : public debListParser
+{
+ public:
+ virtual bool NewVersion(pkgCache::VerIterator &Ver);
+ virtual string Description();
+ virtual string DescriptionLanguage();
+ virtual MD5SumValue Description_md5();
+ virtual unsigned short VersionHash();
+
+ bool LoadReleaseInfo(pkgCache::PkgFileIterator &FileI,FileFd &File,
+ string section);
+
+ edspListParser(FileFd *File, string const &Arch = "");
+
+ protected:
+ virtual bool ParseStatus(pkgCache::PkgIterator &Pkg,pkgCache::VerIterator &Ver);
+
+};
+
+#endif
diff --git a/apt-pkg/edsp/edspsystem.cc b/apt-pkg/edsp/edspsystem.cc
new file mode 100644
index 000000000..10d75771a
--- /dev/null
+++ b/apt-pkg/edsp/edspsystem.cc
@@ -0,0 +1,127 @@
+// -*- mode: cpp; mode: fold -*-
+// Description /*{{{*/
+/* ######################################################################
+
+ This system provides the abstraction to use the scenario file as the
+ only source of package information to be able to feed the created file
+ back to APT for its own consumption (eat your own dogfood).
+
+ ##################################################################### */
+ /*}}}*/
+// Include Files /*{{{*/
+#include <config.h>
+
+#include <apt-pkg/edspsystem.h>
+#include <apt-pkg/debversion.h>
+#include <apt-pkg/edspindexfile.h>
+#include <apt-pkg/configuration.h>
+#include <apt-pkg/error.h>
+#include <apt-pkg/fileutl.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <dirent.h>
+#include <errno.h>
+
+#include <apti18n.h>
+ /*}}}*/
+
+edspSystem edspSys;
+
+// System::debSystem - Constructor /*{{{*/
+edspSystem::edspSystem()
+{
+ StatusFile = 0;
+
+ Label = "Debian APT solver interface";
+ VS = &debVS;
+}
+ /*}}}*/
+// System::~debSystem - Destructor /*{{{*/
+edspSystem::~edspSystem()
+{
+ delete StatusFile;
+}
+ /*}}}*/
+// System::Lock - Get the lock /*{{{*/
+bool edspSystem::Lock()
+{
+ return true;
+}
+ /*}}}*/
+// System::UnLock - Drop a lock /*{{{*/
+bool edspSystem::UnLock(bool NoErrors)
+{
+ return true;
+}
+ /*}}}*/
+// System::CreatePM - Create the underlying package manager /*{{{*/
+// ---------------------------------------------------------------------
+/* we can't use edsp input as input for real installations - just a
+ simulation can work, but everything else will fail bigtime */
+pkgPackageManager *edspSystem::CreatePM(pkgDepCache *Cache) const
+{
+ return NULL;
+}
+ /*}}}*/
+// System::Initialize - Setup the configuration space.. /*{{{*/
+bool edspSystem::Initialize(Configuration &Cnf)
+{
+ Cnf.Set("Dir::State::extended_states", "/dev/null");
+ Cnf.Set("Dir::State::status","/dev/null");
+ Cnf.Set("Dir::State::lists","/dev/null");
+
+ Cnf.Set("Debug::NoLocking", "true");
+ Cnf.Set("APT::Get::Simulate", "true");
+
+ if (StatusFile) {
+ delete StatusFile;
+ StatusFile = 0;
+ }
+ return true;
+}
+ /*}}}*/
+// System::ArchiveSupported - Is a file format supported /*{{{*/
+bool edspSystem::ArchiveSupported(const char *Type)
+{
+ return false;
+}
+ /*}}}*/
+// System::Score - Determine if we should use the edsp system /*{{{*/
+signed edspSystem::Score(Configuration const &Cnf)
+{
+ if (Cnf.Find("edsp::scenario", "") == "stdin")
+ return 1000;
+ if (FileExists(Cnf.FindFile("edsp::scenario","")) == true)
+ return 1000;
+ return -1000;
+}
+ /*}}}*/
+// System::AddStatusFiles - Register the status files /*{{{*/
+bool edspSystem::AddStatusFiles(vector<pkgIndexFile *> &List)
+{
+ if (StatusFile == 0)
+ {
+ if (_config->Find("edsp::scenario", "") == "stdin")
+ StatusFile = new edspIndex("stdin");
+ else
+ StatusFile = new edspIndex(_config->FindFile("edsp::scenario"));
+ }
+ List.push_back(StatusFile);
+ return true;
+}
+ /*}}}*/
+// System::FindIndex - Get an index file for status files /*{{{*/
+bool edspSystem::FindIndex(pkgCache::PkgFileIterator File,
+ pkgIndexFile *&Found) const
+{
+ if (StatusFile == 0)
+ return false;
+ if (StatusFile->FindInCache(*File.Cache()) == File)
+ {
+ Found = StatusFile;
+ return true;
+ }
+
+ return false;
+}
+ /*}}}*/
diff --git a/apt-pkg/edsp/edspsystem.h b/apt-pkg/edsp/edspsystem.h
new file mode 100644
index 000000000..ca703fa84
--- /dev/null
+++ b/apt-pkg/edsp/edspsystem.h
@@ -0,0 +1,41 @@
+// -*- mode: cpp; mode: fold -*-
+// Description /*{{{*/
+// $Id: debsystem.h,v 1.4 2003/01/11 07:16:33 jgg Exp $
+/* ######################################################################
+
+ System - Debian version of the System Class
+
+ ##################################################################### */
+ /*}}}*/
+#ifndef PKGLIB_EDSPSYSTEM_H
+#define PKGLIB_EDSPSYSTEM_H
+
+#include <apt-pkg/pkgsystem.h>
+
+class edspIndex;
+class edspSystem : public pkgSystem
+{
+ /** \brief dpointer placeholder (for later in case we need it) */
+ void *d;
+
+ edspIndex *StatusFile;
+
+ public:
+
+ virtual bool Lock();
+ virtual bool UnLock(bool NoErrors = false);
+ virtual pkgPackageManager *CreatePM(pkgDepCache *Cache) const;
+ virtual bool Initialize(Configuration &Cnf);
+ virtual bool ArchiveSupported(const char *Type);
+ virtual signed Score(Configuration const &Cnf);
+ virtual bool AddStatusFiles(std::vector<pkgIndexFile *> &List);
+ virtual bool FindIndex(pkgCache::PkgFileIterator File,
+ pkgIndexFile *&Found) const;
+
+ edspSystem();
+ ~edspSystem();
+};
+
+extern edspSystem edspSys;
+
+#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 01:15:19 +0000