methods/mirror.h

   1 // -*- mode: cpp; mode: fold -*-
   2 // Description                                                          /*{{{*/// $Id: http.h,v 1.12 2002/04/18 05:09:38 jgg Exp $
   3 // $Id: http.h,v 1.12 2002/04/18 05:09:38 jgg Exp $
   4 /* ######################################################################
   5
   6    MIRROR Aquire Method - This is the MIRROR aquire method for APT.
   7
   8    ##################################################################### */
   9                                                                         /*}}}*/
  10
  11 #ifndef APT_MIRROR_H
  12 #define APT_MIRROR_H
  13
  14 #include <iostream>
  15 #include <string>
  16 #include <vector>
  17
  18 using std::cout;
  19 using std::cerr;
  20 using std::endl;
  21
  22 #include "http.h"
  23
  24 class MirrorMethod : public HttpMethod
  25 {
  26    FetchResult Res;
  27    // we simply transform between BaseUri and Mirror
  28    std::string BaseUri;    // the original mirror://... url
  29    std::string Mirror;     // the selected mirror uri (http://...)
  30    std::vector<std::string> AllMirrors; // all available mirrors
  31    std::string MirrorFile; // the file that contains the list of mirrors
  32    bool DownloadedMirrorFile; // already downloaded this session
  33    std::string Dist;       // the target distrubtion (e.g. sid, oneiric)
  34
  35    bool Debug;
  36
  37  protected:
  38    bool DownloadMirrorFile(std::string uri);
  39    bool RandomizeMirrorFile(std::string file);
  40    std::string GetMirrorFileName(std::string uri);
  41    bool InitMirrors();
  42    bool TryNextMirror();
  43    void CurrentQueueUriToMirror();
  44    bool Clean(std::string dir);
  45
  46    // we need to overwrite those to transform the url back
  47    virtual void Fail(std::string Why, bool Transient = false);
  48    virtual void URIStart(FetchResult &Res);
  49    virtual void URIDone(FetchResult &Res,FetchResult *Alt = 0);
  50    virtual bool Configuration(std::string Message);
  51
  52  public:
  53    MirrorMethod();
  54    virtual bool Fetch(FetchItem *Itm);
  55 };
  56
  57
  58 #endif