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    FILE *history_out;
  33    string dpkg_error;
  34
  35    protected:
  36
  37    // progress reporting
  38    struct DpkgState
  39    {
  40       const char *state;     // the dpkg state (e.g. "unpack")
  41       const char *str;       // the human readable translation of the state
  42    };
  43
  44    // the dpkg states that the pkg will run through, the string is
  45    // the package, the vector contains the dpkg states that the package
  46    // will go through
  47    map<string,vector<struct DpkgState> > PackageOps;
  48    // the dpkg states that are already done; the string is the package
  49    // the int is the state that is already done (e.g. a package that is
  50    // going to be install is already in state "half-installed")
  51    map<string,unsigned int> PackageOpsDone;
  52    // progress reporting
  53    unsigned int PackagesDone;
  54    unsigned int PackagesTotal;
  55
  56    struct Item
  57    {
  58       enum Ops {Install, Configure, Remove, Purge, ConfigurePending, TriggersPending} Op;
  59       string File;
  60       PkgIterator Pkg;
  61       Item(Ops Op,PkgIterator Pkg,string File = "") : Op(Op),
  62             File(File), Pkg(Pkg) {};
  63       Item() {};
  64
  65    };
  66    vector<Item> List;
  67
  68    // Helpers
  69    bool RunScriptsWithPkgs(const char *Cnf);
  70    bool SendV2Pkgs(FILE *F);
  71    void WriteHistoryTag(string const &tag, string value);
  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