MediaManager.h

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#ifndef ZYPP_MEDIA_MEDIAMANAGER_H
#define ZYPP_MEDIA_MEDIAMANAGER_H
 
#include "zypp/media/MediaAccess.h"
 
#include "zypp/APIConfig.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;
 
      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);
 
      void
      release(MediaAccessId accessId, const std::string & ejectDev = "");
 
      void
      releaseAll();
 
      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;
 
      bool
      isChangeable(MediaAccessId accessId);
 
      Pathname
      localRoot(MediaAccessId accessId) const;
 
      Pathname
      localPath(MediaAccessId accessId, const Pathname & pathname) const;
 
    public:
      void
      provideFile(MediaAccessId accessId,
                  const Pathname &filename,
                  const ByteCount &expectedFileSize) const;
 
      void
      provideFile(MediaAccessId   accessId,
                  const Pathname &filename ) 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;
 
      bool doesFileExist(MediaAccessId  accessId,
                         const Pathname & filename ) const;
 
      void
      getDetectedDevices(MediaAccessId accessId,
                         std::vector<std::string> & devices,
                         unsigned int & index) const;
 
      void
      setDeltafile(MediaAccessId   accessId,
                  const Pathname &filename ) 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:
*/