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Diffstat (limited to 'apt-pkg/packagemanager.h')
-rw-r--r-- | apt-pkg/packagemanager.h | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/apt-pkg/packagemanager.h b/apt-pkg/packagemanager.h new file mode 100644 index 000000000..e4c7a0a0a --- /dev/null +++ b/apt-pkg/packagemanager.h @@ -0,0 +1,153 @@ +// -*- mode: cpp; mode: fold -*- +// Description /*{{{*/ +/* ###################################################################### + + Package Manager - Abstacts the package manager + + Three steps are + - Aquiration of archives (stores the list of final file names) + - Sorting of operations + - Invocation of package manager + + This is the final stage when the package cache entities get converted + into file names and the state stored in a DepCache is transformed + into a series of operations. + + In the final scheme of things this may serve as a director class to + access the actual install methods based on the file type being + installed. + + ##################################################################### */ + /*}}}*/ +#ifndef PKGLIB_PACKAGEMANAGER_H +#define PKGLIB_PACKAGEMANAGER_H + +#include <apt-pkg/pkgcache.h> +#include <apt-pkg/init.h> +#include <apt-pkg/edsp.h> +#include <apt-pkg/macros.h> + +#include <string> +#include <set> + +#ifndef APT_10_CLEANER_HEADERS +#include <apt-pkg/install-progress.h> +#include <iostream> +#endif +#ifndef APT_8_CLEANER_HEADERS +#include <apt-pkg/depcache.h> +using std::string; +#endif + +class pkgAcquire; +class pkgDepCache; +class pkgSourceList; +class pkgOrderList; +class pkgRecords; +class OpProgress; +class pkgPackageManager; +namespace APT { + namespace Progress { + class PackageManager; + } +} + +class pkgPackageManager : protected pkgCache::Namespace +{ + public: + + enum OrderResult {Completed,Failed,Incomplete}; + static bool SigINTStop; + + protected: + std::string *FileNames; + pkgDepCache &Cache; + pkgOrderList *List; + bool Debug; + bool NoImmConfigure; + bool ImmConfigureAll; + + /** \brief saves packages dpkg let disappear + + This way APT can retreat from trying to configure these + packages later on and a front-end can choose to display a + notice to inform the user about these disappears. + */ + std::set<std::string> disappearedPkgs; + + void ImmediateAdd(PkgIterator P, bool UseInstallVer, unsigned const int &Depth = 0); + virtual OrderResult OrderInstall(); + bool CheckRConflicts(PkgIterator Pkg,DepIterator Dep,const char *Ver); + bool CheckRBreaks(PkgIterator const &Pkg,DepIterator Dep,const char * const Ver); + bool CreateOrderList(); + + // Analysis helpers + bool DepAlwaysTrue(DepIterator D) APT_PURE; + + // Install helpers + bool ConfigureAll(); + bool SmartConfigure(PkgIterator Pkg, int const Depth) APT_MUSTCHECK; + //FIXME: merge on abi break + bool SmartUnPack(PkgIterator Pkg) APT_MUSTCHECK; + bool SmartUnPack(PkgIterator Pkg, bool const Immediate, int const Depth) APT_MUSTCHECK; + bool SmartRemove(PkgIterator Pkg) APT_MUSTCHECK; + bool EarlyRemove(PkgIterator Pkg, DepIterator const * const Dep) APT_MUSTCHECK; + APT_DEPRECATED bool EarlyRemove(PkgIterator Pkg) APT_MUSTCHECK; + + // The Actual installation implementation + virtual bool Install(PkgIterator /*Pkg*/,std::string /*File*/) {return false;}; + virtual bool Configure(PkgIterator /*Pkg*/) {return false;}; + virtual bool Remove(PkgIterator /*Pkg*/,bool /*Purge*/=false) {return false;}; + virtual bool Go(APT::Progress::PackageManager * /*progress*/) {return true;}; + APT_DEPRECATED_MSG("Use overload with explicit progress manager") virtual bool Go(int /*statusFd*/=-1) {return true;}; + + virtual void Reset() {}; + + // the result of the operation + OrderResult Res; + + public: + + // Main action members + bool GetArchives(pkgAcquire *Owner,pkgSourceList *Sources, + pkgRecords *Recs); + + // Do the installation + OrderResult DoInstall(APT::Progress::PackageManager *progress); + // compat + APT_DEPRECATED_MSG("Use APT::Progress::PackageManager subclass instead of fd") OrderResult DoInstall(int statusFd=-1); + + friend bool EIPP::OrderInstall(char const * const planner, pkgPackageManager * const PM, + unsigned int const version, OpProgress * const Progress); + friend bool EIPP::ReadResponse(int const input, pkgPackageManager * const PM, + OpProgress * const Progress); + + // stuff that needs to be done before the fork() of a library that + // uses apt + OrderResult DoInstallPreFork() { + Res = OrderInstall(); + return Res; + }; + // stuff that needs to be done after the fork + OrderResult DoInstallPostFork(APT::Progress::PackageManager *progress); + // compat + APT_DEPRECATED_MSG("Use APT::Progress::PackageManager subclass instead of fd") OrderResult DoInstallPostFork(int statusFd=-1); + + // ? + bool FixMissing(); + + /** \brief returns all packages dpkg let disappear */ + inline std::set<std::string> GetDisappearedPackages() { return disappearedPkgs; }; + + explicit pkgPackageManager(pkgDepCache *Cache); + virtual ~pkgPackageManager(); + + private: + void * const d; + enum APT_HIDDEN SmartAction { UNPACK_IMMEDIATE, UNPACK, CONFIGURE }; + APT_HIDDEN bool NonLoopingSmart(SmartAction const action, pkgCache::PkgIterator &Pkg, + pkgCache::PkgIterator DepPkg, int const Depth, bool const PkgLoop, + bool * const Bad, bool * const Changed) APT_MUSTCHECK; +}; + +#endif |