ceph/src/librbd/mirror/ImageRemoveRequest.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 CEPH_LIBRBD_MIRROR_IMAGE_REMOVE_REQUEST_H
   5 #define CEPH_LIBRBD_MIRROR_IMAGE_REMOVE_REQUEST_H
   6
   7 #include "include/rados/librados.hpp"
   8 #include "common/ceph_mutex.h"
   9 #include "cls/rbd/cls_rbd_types.h"
  10
  11 #include <string>
  12
  13 class Context;
  14
  15 namespace librbd {
  16
  17 class ImageCtx;
  18
  19 namespace mirror {
  20
  21 template <typename ImageCtxT = ImageCtx>
  22 class ImageRemoveRequest {
  23 public:
  24   static ImageRemoveRequest *create(librados::IoCtx& io_ctx,
  25                                     const std::string& global_image_id,
  26                                     const std::string& image_id,
  27                                     Context* on_finish) {
  28     return new ImageRemoveRequest(io_ctx, global_image_id, image_id, on_finish);
  29   }
  30
  31   ImageRemoveRequest(librados::IoCtx& io_ctx,
  32                      const std::string& global_image_id,
  33                      const std::string& image_id,
  34                      Context* on_finish);
  35
  36   void send();
  37
  38 private:
  39   /**
  40    * @verbatim
  41    *
  42    * <start>
  43    *    |
  44    * REMOVE_MIRROR_IMAGE
  45    *    |
  46    *    v
  47    * NOTIFY_MIRRORING_WATCHER
  48    *    |
  49    *    v
  50    * <finish>
  51    *
  52    * @endverbatim
  53    */
  54
  55   librados::IoCtx& m_io_ctx;
  56   std::string m_global_image_id;
  57   std::string m_image_id;
  58   Context* m_on_finish;
  59
  60   CephContext* m_cct;
  61
  62   void remove_mirror_image();
  63   void handle_remove_mirror_image(int r);
  64
  65   void notify_mirroring_watcher();
  66   void handle_notify_mirroring_watcher(int r);
  67
  68   void finish(int r);
  69
  70 };
  71
  72 } // namespace mirror
  73 } // namespace librbd
  74
  75 extern template class librbd::mirror::ImageRemoveRequest<librbd::ImageCtx>;
  76
  77 #endif // CEPH_LIBRBD_MIRROR_IMAGE_REMOVE_REQUEST_H