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    FILE *term_out;
  30
  31    protected:
  32    int pkgFailures;
  33
  34    // progress reporting
  35    struct DpkgState
  36    {
  37       const char *state;     // the dpkg state (e.g. "unpack")
  38       const char *str;       // the human readable translation of the state
  39    };
  40
  41    // the dpkg states that the pkg will run through, the string is
  42    // the package, the vector contains the dpkg states that the package
  43    // will go through
  44    map<string,vector<struct DpkgState> > PackageOps;
  45    // the dpkg states that are already done; the string is the package
  46    // the int is the state that is already done (e.g. a package that is
  47    // going to be install is already in state "half-installed")
  48    map<string,unsigned int> PackageOpsDone;
  49    // progress reporting
  50    unsigned int PackagesDone;
  51    unsigned int PackagesTotal;
  52
  53    struct Item
  54    {
  55       enum Ops {Install, Configure, Remove, Purge} Op;
  56       string File;
  57       PkgIterator Pkg;
  58       Item(Ops Op,PkgIterator Pkg,string File = "") : Op(Op),
  59             File(File), Pkg(Pkg) {};
  60       Item() {};
  61
  62    };
  63    vector<Item> List;
  64
  65    // Helpers
  66    bool RunScripts(const char *Cnf);
  67    bool RunScriptsWithPkgs(const char *Cnf);
  68    bool SendV2Pkgs(FILE *F);
  69
  70    // apport integration
  71    void WriteApportReport(const char *pkgpath, const char *errormsg);
  72
  73    // dpkg log
  74    bool OpenLog();
  75    bool CloseLog();
  76
  77    // input processing
  78    void DoStdin(int master);
  79    void DoTerminalPty(int master);
  80    void DoDpkgStatusFd(int statusfd, int OutStatusFd);
  81    void ProcessDpkgStatusLine(int OutStatusFd, char *line);
  82
  83    // The Actuall installation implementation
  84    virtual bool Install(PkgIterator Pkg,string File);
  85    virtual bool Configure(PkgIterator Pkg);
  86    virtual bool Remove(PkgIterator Pkg,bool Purge = false);
  87    virtual bool Go(int StatusFd=-1);
  88    virtual void Reset();
  89
  90    public:
  91
  92    pkgDPkgPM(pkgDepCache *Cache);
  93    virtual ~pkgDPkgPM();
  94 };
  95
  96 #endif