src/ceph/src/tools/rbd_mirror/image_replayer/CloseImageRequest.h

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3
   4 #ifndef RBD_MIRROR_IMAGE_REPLAYER_CLOSE_IMAGE_REQUEST_H
   5 #define RBD_MIRROR_IMAGE_REPLAYER_CLOSE_IMAGE_REQUEST_H
   6
   7 #include "include/int_types.h"
   8 #include "librbd/ImageCtx.h"
   9 #include <string>
  10
  11 class Context;
  12 namespace librbd { class ImageCtx; }
  13
  14 namespace rbd {
  15 namespace mirror {
  16 namespace image_replayer {
  17
  18 template <typename ImageCtxT = librbd::ImageCtx>
  19 class CloseImageRequest {
  20 public:
  21   static CloseImageRequest* create(ImageCtxT **image_ctx, Context *on_finish) {
  22     return new CloseImageRequest(image_ctx, on_finish);
  23   }
  24
  25   CloseImageRequest(ImageCtxT **image_ctx, Context *on_finish);
  26
  27   void send();
  28
  29 private:
  30   /**
  31    * @verbatim
  32    *
  33    * <start>
  34    *    |
  35    *    v
  36    * CLOSE_IMAGE
  37    *    |
  38    *    v
  39    * <finish>
  40    *
  41    * @endverbatim
  42    */
  43   ImageCtxT **m_image_ctx;
  44   Context *m_on_finish;
  45
  46   void close_image();
  47   void handle_close_image(int r);
  48 };
  49
  50 } // namespace image_replayer
  51 } // namespace mirror
  52 } // namespace rbd
  53
  54 extern template class rbd::mirror::image_replayer::CloseImageRequest<librbd::ImageCtx>;
  55
  56 #endif // RBD_MIRROR_IMAGE_REPLAYER_CLOSE_IMAGE_REQUEST_H