zypp/repo/yum/Downloader.h

   1 /*---------------------------------------------------------------------\
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   4 |                           / / \ V /|  _/  _/                         |
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   6 |                         /_____||_| |_| |_|                           |
   7 |                                                                      |
   8 \---------------------------------------------------------------------*/
   9
  10 #ifndef ZYPP_SOURCE_YUM_DOWNLOADER
  11 #define ZYPP_SOURCE_YUM_DOWNLOADER
  12
  13 #include "zypp/Url.h"
  14 #include "zypp/Pathname.h"
  15 #include "zypp/Fetcher.h"
  16 #include "zypp/OnMediaLocation.h"
  17 #include "zypp/MediaSetAccess.h"
  18 #include "zypp/ProgressData.h"
  19 #include "zypp/RepoInfo.h"
  20 #include "zypp/RepoStatus.h"
  21 #include "zypp/repo/Downloader.h"
  22 #include "zypp/repo/yum/ResourceType.h"
  23
  24 namespace zypp
  25 {
  26   namespace repo
  27   {
  28     namespace yum
  29     {
  30      /**
  31       * \short Downloader for YUM (rpm-nmd) repositories
  32       * Encapsulates all the knowledge of which files have
  33       * to be downloaded to the local disk.
  34       *
  35       * \code
  36       * MediaSetAccess media(url);
  37       * Downloader yum(path);
  38       * yum.download( media, "localdir");
  39       * \endcode
  40       */
  41       class Downloader : public repo::Downloader
  42       {
  43       public:
  44
  45         /**
  46          * \short Constructor from the repository information
  47          *
  48          * The repository information allows more context to be given
  49          * to the user when something fails.
  50          *
  51          * \param info Repository information
  52          */
  53         Downloader( const RepoInfo &info , const Pathname &delta_dir = Pathname());
  54
  55         /**
  56          * \short Download metadata to a local directory
  57          *
  58          * \param media Media access to the repository url
  59          * \param dest_dir Local destination directory
  60          * \param progress progress receiver
  61          */
  62         void download( MediaSetAccess &media,
  63                        const Pathname &dest_dir,
  64                        const ProgressData::ReceiverFnc & progress = ProgressData::ReceiverFnc() );
  65
  66         /**
  67          * \short Status of the remote repository
  68          */
  69         RepoStatus status( MediaSetAccess &media );
  70
  71        protected:
  72         bool repomd_Callback( const OnMediaLocation &loc, const ResourceType &dtype );
  73         bool patches_Callback( const OnMediaLocation &loc, const std::string &id );
  74        private:
  75         // TODO: Use pimpl to be extensible; but breaks bincompat :(
  76         Pathname _dest_dir;
  77         Pathname _delta_dir;
  78         std::list<OnMediaLocation> _patches_files;
  79
  80         MediaSetAccess *_media_ptr;
  81       };
  82
  83     } // ns yum
  84   } // ns source
  85 } // ns zypp
  86
  87 #endif