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    bool stdin_is_dev_null;
  27
  28    // the buffer we use for the dpkg status-fd reading
  29    char dpkgbuf[1024];
  30    int dpkgbuf_pos;
  31    FILE *term_out;
  32
  33    protected:
  34
  35    // progress reporting
  36    struct DpkgState
  37    {
  38       const char *state;     // the dpkg state (e.g. "unpack")
  39       const char *str;       // the human readable translation of the state
  40    };
  41
  42    // the dpkg states that the pkg will run through, the string is
  43    // the package, the vector contains the dpkg states that the package
  44    // will go through
  45    map<string,vector<struct DpkgState> > PackageOps;
  46    // the dpkg states that are already done; the string is the package
  47    // the int is the state that is already done (e.g. a package that is
  48    // going to be install is already in state "half-installed")
  49    map<string,unsigned int> PackageOpsDone;
  50    // progress reporting
  51    unsigned int PackagesDone;
  52    unsigned int PackagesTotal;
  53
  54    struct Item
  55    {
  56       enum Ops {Install, Configure, Remove, Purge} Op;
  57       string File;
  58       PkgIterator Pkg;
  59       Item(Ops Op,PkgIterator Pkg,string File = "") : Op(Op),
  60             File(File), Pkg(Pkg) {};
  61       Item() {};
  62
  63    };
  64    vector<Item> List;
  65
  66    // Helpers
  67    bool RunScriptsWithPkgs(const char *Cnf);
  68    bool SendV2Pkgs(FILE *F);
  69
  70    // dpkg log
  71    bool OpenLog();
  72    bool CloseLog();
  73
  74    // input processing
  75    void DoStdin(int master);
  76    void DoTerminalPty(int master);
  77    void DoDpkgStatusFd(int statusfd, int OutStatusFd);
  78    void ProcessDpkgStatusLine(int OutStatusFd, char *line);
  79
  80    // The Actuall installation implementation
  81    virtual bool Install(PkgIterator Pkg,string File);
  82    virtual bool Configure(PkgIterator Pkg);
  83    virtual bool Remove(PkgIterator Pkg,bool Purge = false);
  84    virtual bool Go(int StatusFd=-1);
  85    virtual void Reset();
  86
  87    public:
  88
  89    pkgDPkgPM(pkgDepCache *Cache);
  90    virtual ~pkgDPkgPM();
  91 };
  92
  93 #endif