apt-pkg/deb/dpkgpm.h

   1 // -*- mode: cpp; mode: fold -*-
   2 // Description                                                          /*{{{*/
   3 // $Id: dpkgpm.h,v 1.8 2001/05/07 05:05:13 jgg Exp $
   4 /* ######################################################################
   5
   6    DPKG Package Manager - Provide an interface to dpkg
   7
   8    ##################################################################### */
   9                                                                         /*}}}*/
  10 #ifndef PKGLIB_DPKGPM_H
  11 #define PKGLIB_DPKGPM_H
  12
  13 #include <apt-pkg/packagemanager.h>
  14 #include <vector>
  15 #include <map>
  16 #include <stdio.h>
  17
  18 using std::vector;
  19 using std::map;
  20
  21
  22 class pkgDPkgPM : public pkgPackageManager
  23 {
  24    private:
  25
  26    // the buffer we use for the dpkg status-fd reading
  27    char dpkgbuf[1024];
  28    int dpkgbuf_pos;
  29
  30    protected:
  31
  32    // progress reporting
  33    struct DpkgState
  34    {
  35       const char *state;     // the dpkg state (e.g. "unpack")
  36       const char *str;       // the human readable translation of the state
  37    };
  38
  39    // the dpkg states that the pkg will run through, the string is
  40    // the package, the vector contains the dpkg states that the package
  41    // will go through
  42    map<string,vector<struct DpkgState> > PackageOps;
  43    // the dpkg states that are already done; the string is the package
  44    // the int is the state that is already done (e.g. a package that is
  45    // going to be install is already in state "half-installed")
  46    map<string,unsigned int> PackageOpsDone;
  47    // progress reporting
  48    unsigned int PackagesDone;
  49    unsigned int PackagesTotal;
  50
  51    struct Item
  52    {
  53       enum Ops {Install, Configure, Remove, Purge} Op;
  54       string File;
  55       PkgIterator Pkg;
  56       Item(Ops Op,PkgIterator Pkg,string File = "") : Op(Op),
  57             File(File), Pkg(Pkg) {};
  58       Item() {};
  59
  60    };
  61    vector<Item> List;
  62
  63    // Helpers
  64    bool RunScripts(const char *Cnf);
  65    bool RunScriptsWithPkgs(const char *Cnf);
  66    bool SendV2Pkgs(FILE *F);
  67
  68    // input processing
  69    void DoStdin(int master);
  70    void DoTerminalPty(int master, FILE *out);
  71    void DoDpkgStatusFd(int statusfd, int OutStatusFd);
  72    void ProcessDpkgStatusLine(int OutStatusFd, char *line);
  73
  74    // The Actuall installation implementation
  75    virtual bool Install(PkgIterator Pkg,string File);
  76    virtual bool Configure(PkgIterator Pkg);
  77    virtual bool Remove(PkgIterator Pkg,bool Purge = false);
  78    virtual bool Go(int StatusFd=-1);
  79    virtual void Reset();
  80
  81    public:
  82
  83    pkgDPkgPM(pkgDepCache *Cache);
  84    virtual ~pkgDPkgPM();
  85 };
  86
  87 #endif