MediaManager.h

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#ifndef ZYPP_MEDIA_MEDIAMANAGER_H
#define ZYPP_MEDIA_MEDIAMANAGER_H

#include <zypp/media/MediaAccess.h>

#include <zypp/base/Deprecated.h>
#include <zypp/base/NonCopyable.h>
#include <zypp/base/PtrTypes.h>
#include <zypp/Pathname.h>
#include <zypp/Url.h>

#include <list>


namespace zypp
{ 

  namespace media
  { 


    typedef zypp::RW_pointer<MediaAccess> MediaAccessRef;

    // OBSOLETE HERE:
    typedef MediaAccessId                 MediaId;
    typedef unsigned int                  MediaNr;


    // forward declaration
    class MountEntry;
    class MediaManager_Impl;

    //
    // CLASS NAME : MediaVerifierBase
    //
    class MediaVerifierBase //: private zypp::NonCopyable
    {
    public:
      MediaVerifierBase()
      {}

      virtual
      ~MediaVerifierBase()
      {}

      virtual std::string
      info() const;

      /*
      ** Check if the specified attached media contains
      ** the desired media (e.g. SLES10 CD1).
      */
      virtual bool
      isDesiredMedia(const MediaAccessRef &ref) = 0;
    };


    //
    // CLASS NAME : NoVerifier
    //
    class NoVerifier : public MediaVerifierBase
    {
    public:
      NoVerifier(): MediaVerifierBase()
      {}

      virtual
      ~NoVerifier()
      {}

      virtual std::string
      info() const;

      /*
      ** Don't check if the specified attached media contains
      ** the desired media number. Always return true.
      */
      virtual bool
      isDesiredMedia(const MediaAccessRef &ref)
      {
        (void)ref;
        return true;
      }
    };


    //
    // CLASS NAME : MediaVerifierRef
    //
    typedef zypp::RW_pointer<MediaVerifierBase> MediaVerifierRef;


    //
    // CLASS NAME : MediaManager
    //
    class MediaManager: private zypp::base::NonCopyable
    {
    public:
      MediaManager();

      ~MediaManager();

      MediaAccessId
      open(const Url &url, const Pathname & preferred_attach_point = "");

      void
      close(MediaAccessId accessId);

      bool
      isOpen(MediaAccessId accessId) const;

      std::string
      protocol(MediaAccessId accessId) const;

      bool
      downloads(MediaAccessId accessId) const;

      static bool
      downloads(const Url &url);

      Url
      url(MediaAccessId accessId) const;

    public:
      void
      addVerifier(MediaAccessId accessId,
                  const MediaVerifierRef &verifier);

      void
      delVerifier(MediaAccessId accessId);

    public:
      bool
      setAttachPrefix(const Pathname &attach_prefix);

      void
      attach(MediaAccessId accessId, bool next = false);

      void
      release(MediaAccessId accessId, bool eject = false);

      void
      disconnect(MediaAccessId accessId);

      bool
      isAttached(MediaAccessId accessId) const;

      bool
      isSharedMedia(MediaAccessId accessId) const;

      bool
      isDesiredMedia(MediaAccessId accessId) const;

      bool
      isDesiredMedia(MediaAccessId           accessId,
                     const MediaVerifierRef &verifier) const;

      Pathname
      localRoot(MediaAccessId accessId) const;

      Pathname
      localPath(MediaAccessId accessId, const Pathname & pathname) const;

    public:
      void
      provideFile(MediaAccessId   accessId,
                  const Pathname &filename,
                  bool            cached    = false,
                  bool            checkonly = false) const;

      void
      provideDir(MediaAccessId   accessId,
                 const Pathname &dirname) const;

      void
      provideDirTree(MediaAccessId  accessId,
                     const Pathname &dirname) const;

      void
      releaseFile(MediaAccessId   accessId,
                  const Pathname &filename) const;

      void
      releaseDir(MediaAccessId   accessId,
                 const Pathname &dirname) const;

      void
      releasePath(MediaAccessId   accessId,
                  const Pathname &pathname) const;

      void
      dirInfo(MediaAccessId           accessId,
              std::list<std::string> &retlist,
              const Pathname         &dirname,
              bool                    dots = true) const;

      void
      dirInfo(MediaAccessId           accessId,
              filesystem::DirContent &retlist,
              const Pathname         &dirname,
              bool                   dots = true) const;


    public:
      static time_t
      getMountTableMTime();

      static std::vector<MountEntry>
      getMountEntries();

      bool
      isUseableAttachPoint(const Pathname &path,
                           bool            mtab=true) const;

    private:
      friend class MediaHandler;

      AttachedMedia
      getAttachedMedia(MediaAccessId &accessId) const;

      AttachedMedia
      findAttachedMedia(const MediaSourceRef &media) const;

      void
      forceReleaseShared(const MediaSourceRef &media);

    private:
      static zypp::RW_pointer<MediaManager_Impl> m_impl;
    };


  } // namespace media

} // namespace zypp

#endif // ZYPP_MEDIA_MEDIAMANAGER_H

/*
** vim: set ts=2 sts=2 sw=2 ai et:
*/

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