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 Acquire Method - This is the MIRROR acquire method for APT.
   7
   8    ##################################################################### */
   9                                                                         /*}}}*/
  10
  11 #ifndef APT_MIRROR_H
  12 #define APT_MIRROR_H
  13
  14 #include <apt-pkg/acquire-method.h>
  15
  16 #include <iostream>
  17 #include <string>
  18 #include <vector>
  19
  20 using std::cout;
  21 using std::cerr;
  22 using std::endl;
  23
  24 #include "http.h"
  25
  26 class MirrorMethod : public HttpMethod
  27 {
  28    FetchResult Res;
  29    // we simply transform between BaseUri and Mirror
  30    std::string BaseUri;    // the original mirror://... url
  31    std::string Mirror;     // the selected mirror uri (http://...)
  32    std::vector<std::string> AllMirrors; // all available mirrors
  33    std::string MirrorFile; // the file that contains the list of mirrors
  34    bool DownloadedMirrorFile; // already downloaded this session
  35    std::string Dist;       // the target distrubtion (e.g. sid, oneiric)
  36
  37    bool Debug;
  38
  39  protected:
  40    bool DownloadMirrorFile(std::string uri);
  41    bool RandomizeMirrorFile(std::string file);
  42    std::string GetMirrorFileName(std::string uri);
  43    bool InitMirrors();
  44    bool TryNextMirror();
  45    void CurrentQueueUriToMirror();
  46    bool Clean(std::string dir);
  47
  48    // we need to overwrite those to transform the url back
  49    virtual void Fail(std::string Why, bool Transient = false);
  50    virtual void URIStart(FetchResult &Res);
  51    virtual void URIDone(FetchResult &Res,FetchResult *Alt = 0);
  52    virtual bool Configuration(std::string Message);
  53
  54  public:
  55    MirrorMethod();
  56    virtual bool Fetch(FetchItem *Itm);
  57 };
  58
  59
  60 #endif