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Diffstat (limited to '')
-rw-r--r-- | src/tools/rbd_mirror/image_deleter/TrashMoveRequest.h | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/src/tools/rbd_mirror/image_deleter/TrashMoveRequest.h b/src/tools/rbd_mirror/image_deleter/TrashMoveRequest.h new file mode 100644 index 000000000..5b3f02519 --- /dev/null +++ b/src/tools/rbd_mirror/image_deleter/TrashMoveRequest.h @@ -0,0 +1,142 @@ +// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- +// vim: ts=8 sw=2 smarttab + +#ifndef CEPH_RBD_MIRROR_IMAGE_DELETE_TRASH_MOVE_REQUEST_H +#define CEPH_RBD_MIRROR_IMAGE_DELETE_TRASH_MOVE_REQUEST_H + +#include "include/buffer.h" +#include "include/rados/librados.hpp" +#include "cls/rbd/cls_rbd_types.h" +#include "librbd/mirror/Types.h" +#include <string> + +struct Context; +namespace librbd { +struct ImageCtx; +namespace asio { struct ContextWQ; } +} // namespace librbd + +namespace rbd { +namespace mirror { +namespace image_deleter { + +template <typename ImageCtxT = librbd::ImageCtx> +class TrashMoveRequest { +public: + static TrashMoveRequest* create(librados::IoCtx& io_ctx, + const std::string& global_image_id, + bool resync, + librbd::asio::ContextWQ* op_work_queue, + Context* on_finish) { + return new TrashMoveRequest(io_ctx, global_image_id, resync, op_work_queue, + on_finish); + } + + TrashMoveRequest(librados::IoCtx& io_ctx, const std::string& global_image_id, + bool resync, librbd::asio::ContextWQ* op_work_queue, + Context* on_finish) + : m_io_ctx(io_ctx), m_global_image_id(global_image_id), m_resync(resync), + m_op_work_queue(op_work_queue), m_on_finish(on_finish) { + } + + void send(); + +private: + /* + * @verbatim + * + * <start> + * | + * v + * GET_MIRROR_IMAGE_ID + * | + * v + * GET_MIRROR_INFO + * | + * v + * DISABLE_MIRROR_IMAGE + * | + * v + * OPEN_IMAGE + * | + * v (skip if not needed) + * RESET_JOURNAL + * | + * v (skip if not needed) + * ACQUIRE_LOCK + * | + * v + * TRASH_MOVE + * | + * v + * REMOVE_MIRROR_IMAGE + * | + * v + * CLOSE_IMAGE + * | + * v + * NOTIFY_TRASH_ADD + * | + * v + * <finish> + * + * @endverbatim + */ + + librados::IoCtx &m_io_ctx; + std::string m_global_image_id; + bool m_resync; + librbd::asio::ContextWQ *m_op_work_queue; + Context *m_on_finish; + + ceph::bufferlist m_out_bl; + std::string m_image_id; + cls::rbd::MirrorImage m_mirror_image; + librbd::mirror::PromotionState m_promotion_state; + std::string m_primary_mirror_uuid; + cls::rbd::TrashImageSpec m_trash_image_spec; + ImageCtxT *m_image_ctx = nullptr;; + int m_ret_val = 0; + bool m_moved_to_trash = false; + + void get_mirror_image_id(); + void handle_get_mirror_image_id(int r); + + void get_mirror_info(); + void handle_get_mirror_info(int r); + + void disable_mirror_image(); + void handle_disable_mirror_image(int r); + + void open_image(); + void handle_open_image(int r); + + void reset_journal(); + void handle_reset_journal(int r); + + void acquire_lock(); + void handle_acquire_lock(int r); + + void trash_move(); + void handle_trash_move(int r); + + void remove_mirror_image(); + void handle_remove_mirror_image(int r); + + void close_image(); + void handle_close_image(int r); + + void notify_trash_add(); + void handle_notify_trash_add(int r); + + void finish(int r); + +}; + +} // namespace image_deleter +} // namespace mirror +} // namespace rbd + +extern template class rbd::mirror::image_deleter::TrashMoveRequest<librbd::ImageCtx>; + +#endif // CEPH_RBD_MIRROR_IMAGE_DELETE_TRASH_WATCHER_H |