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Diffstat (limited to 'apt-pkg/deb/dpkgpm.h')
-rw-r--r-- | apt-pkg/deb/dpkgpm.h | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/apt-pkg/deb/dpkgpm.h b/apt-pkg/deb/dpkgpm.h new file mode 100644 index 0000000..ed0b67b --- /dev/null +++ b/apt-pkg/deb/dpkgpm.h @@ -0,0 +1,134 @@ +// -*- mode: cpp; mode: fold -*- +// Description /*{{{*/ +/* ###################################################################### + + DPKG Package Manager - Provide an interface to dpkg + + ##################################################################### */ + /*}}}*/ +#ifndef PKGLIB_DPKGPM_H +#define PKGLIB_DPKGPM_H + +#include <apt-pkg/macros.h> +#include <apt-pkg/packagemanager.h> +#include <apt-pkg/pkgcache.h> + +#include <cstdio> +#include <map> +#include <string> +#include <vector> + +class pkgDepCache; +namespace APT { namespace Progress { class PackageManager; } } + + +class pkgDPkgPMPrivate; + + +class APT_PUBLIC pkgDPkgPM : public pkgPackageManager +{ + private: + pkgDPkgPMPrivate * const d; + + /** \brief record the disappear action and handle accordingly + + dpkg let packages disappear then they have no files any longer and + nothing depends on them. We need to collect this as dpkg as well as + APT doesn't know beforehand that the package will disappear, so the + only possible option is to tell the user afterwards about it. + To enhance the experience we also try to forward the auto-install + flag so the disappear-causer(s) are not autoremoved next time - + for the transfer to happen the disappeared version needs to depend + on the package the flag should be forwarded to and this package + needs to declare a Replaces on the disappeared package. + \param pkgname Name of the package that disappeared + */ + APT_HIDDEN void handleDisappearAction(std::string const &pkgname); + APT_HIDDEN void handleCrossUpgradeAction(std::string const &pkgname); + + protected: + int pkgFailures; + + // progress reporting + struct DpkgState + { + const char *state; // the dpkg state (e.g. "unpack") + const char *str; // the human readable translation of the state + }; + + // the dpkg states that the pkg will run through, the string is + // the package, the vector contains the dpkg states that the package + // will go through + std::map<std::string,std::vector<struct DpkgState> > PackageOps; + // the dpkg states that are already done; the string is the package + // the int is the state that is already done (e.g. a package that is + // going to be install is already in state "half-installed") + std::map<std::string,unsigned int> PackageOpsDone; + + // progress reporting + unsigned int PackagesDone; + unsigned int PackagesTotal; + + public: + struct Item + { + enum Ops {Install, Configure, Remove, Purge, ConfigurePending, TriggersPending, + RemovePending, PurgePending } Op; + std::string File; + PkgIterator Pkg; + Item(Ops Op,PkgIterator Pkg,std::string File = "") : Op(Op), + File(File), Pkg(Pkg) {}; + Item() {}; + }; + protected: + std::vector<Item> List; + + // Helpers + bool RunScriptsWithPkgs(const char *Cnf); + bool SendPkgsInfo(FILE * const F, unsigned int const &Version); + void WriteHistoryTag(std::string const &tag, std::string value); + std::string ExpandShortPackageName(pkgDepCache &Cache, + const std::string &short_pkgname); + + // Terminal progress + void SendTerminalProgress(float percentage); + + // apport integration + void WriteApportReport(const char *pkgpath, const char *errormsg); + + // dpkg log + bool OpenLog(); + bool CloseLog(); + + // helper + void BuildPackagesProgressMap(); + void StartPtyMagic(); + void SetupSlavePtyMagic(); + void StopPtyMagic(); + + // input processing + void DoStdin(int master); + void DoTerminalPty(int master); + void DoDpkgStatusFd(int statusfd); + void ProcessDpkgStatusLine(char *line); + + // The Actual installation implementation + virtual bool Install(PkgIterator Pkg,std::string File) APT_OVERRIDE; + virtual bool Configure(PkgIterator Pkg) APT_OVERRIDE; + virtual bool Remove(PkgIterator Pkg,bool Purge = false) APT_OVERRIDE; + + virtual bool Go(APT::Progress::PackageManager *progress) APT_OVERRIDE; + + virtual void Reset() APT_OVERRIDE; + + public: + + explicit pkgDPkgPM(pkgDepCache *Cache); + virtual ~pkgDPkgPM(); + + APT_HIDDEN static bool ExpandPendingCalls(std::vector<Item> &List, pkgDepCache &Cache); +}; + +void SigINT(int sig); + +#endif |