methods/mirror.h

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