apt-pkg/acquire-worker.h

   1 // -*- mode: cpp; mode: fold -*-
   2 // Description                                                          /*{{{*/
   3 // $Id: acquire-worker.h,v 1.2 1998/10/20 02:39:14 jgg Exp $
   4 /* ######################################################################
   5
   6    Acquire Worker - Worker process manager
   7
   8    Each worker class is associated with exaclty one subprocess.
   9
  10    ##################################################################### */
  11                                                                         /*}}}*/
  12 #ifndef PKGLIB_ACQUIRE_WORKER_H
  13 #define PKGLIB_ACQUIRE_WORKER_H
  14
  15 #include <apt-pkg/acquire.h>
  16
  17 #ifdef __GNUG__
  18 #pragma interface "apt-pkg/acquire-worker.h"
  19 #endif
  20
  21 // Interfacing to the method process
  22 class pkgAcquire::Worker
  23 {
  24    protected:
  25    friend Queue;
  26
  27    Worker *Next;
  28
  29    // The access association
  30    Queue *OwnerQ;
  31    MethodConfig *Config;
  32    string Access;
  33
  34    // This is the subprocess IPC setup
  35    pid_t Process;
  36    int InFd;
  37    int OutFd;
  38
  39    // Various internal things
  40    bool Debug;
  41    vector<string> MessageQueue;
  42
  43    // Private constructor helper
  44    void Construct();
  45
  46    // Message handling things
  47    bool ReadMessages();
  48    bool RunMessages();
  49
  50    // The message handlers
  51    bool Capabilities(string Message);
  52
  53    public:
  54
  55    // Load the method and do the startup
  56    bool Start();
  57
  58    Worker(Queue *OwnerQ,string Access);
  59    Worker(MethodConfig *Config);
  60    ~Worker();
  61 };
  62
  63 #endif