+++ /dev/null
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-
-#ifndef RBD_MIRROR_IMAGE_SYNC_SNAPSHOT_COPY_REQUEST_H
-#define RBD_MIRROR_IMAGE_SYNC_SNAPSHOT_COPY_REQUEST_H
-
-#include "include/int_types.h"
-#include "include/rados/librados.hpp"
-#include "common/snap_types.h"
-#include "librbd/ImageCtx.h"
-#include "librbd/Types.h"
-#include "librbd/journal/TypeTraits.h"
-#include "tools/rbd_mirror/BaseRequest.h"
-#include <map>
-#include <set>
-#include <string>
-#include <tuple>
-
-class Context;
-class ContextWQ;
-namespace journal { class Journaler; }
-namespace librbd { namespace journal { struct MirrorPeerClientMeta; } }
-
-namespace rbd {
-namespace mirror {
-namespace image_sync {
-
-template <typename ImageCtxT = librbd::ImageCtx>
-class SnapshotCopyRequest : public BaseRequest {
-public:
- typedef librbd::journal::TypeTraits<ImageCtxT> TypeTraits;
- typedef typename TypeTraits::Journaler Journaler;
-
- typedef std::vector<librados::snap_t> SnapIds;
- typedef std::map<librados::snap_t, SnapIds> SnapMap;
-
- static SnapshotCopyRequest* create(ImageCtxT *local_image_ctx,
- ImageCtxT *remote_image_ctx,
- SnapMap *snap_map, Journaler *journaler,
- librbd::journal::MirrorPeerClientMeta *client_meta,
- ContextWQ *work_queue,
- Context *on_finish) {
- return new SnapshotCopyRequest(local_image_ctx, remote_image_ctx,
- snap_map, journaler, client_meta, work_queue,
- on_finish);
- }
-
- SnapshotCopyRequest(ImageCtxT *local_image_ctx, ImageCtxT *remote_image_ctx,
- SnapMap *snap_map, Journaler *journaler,
- librbd::journal::MirrorPeerClientMeta *client_meta,
- ContextWQ *work_queue, Context *on_finish);
-
- void send() override;
- void cancel() override;
-
-private:
- /**
- * @verbatim
- *
- * <start>
- * |
- * | /-----------\
- * | | |
- * v v | (repeat as needed)
- * UNPROTECT_SNAP ----/
- * |
- * | /-----------\
- * | | |
- * v v | (repeat as needed)
- * REMOVE_SNAP -------/
- * |
- * | /-----------\
- * | | |
- * v v | (repeat as needed)
- * CREATE_SNAP -------/
- * |
- * | /-----------\
- * | | |
- * v v | (repeat as needed)
- * PROTECT_SNAP ------/
- * |
- * v
- * UPDATE_CLIENT
- * |
- * v
- * <finish>
- *
- * @endverbatim
- */
-
- typedef std::set<librados::snap_t> SnapIdSet;
- typedef std::map<librados::snap_t, librados::snap_t> SnapSeqs;
-
- ImageCtxT *m_local_image_ctx;
- ImageCtxT *m_remote_image_ctx;
- SnapMap *m_snap_map;
- Journaler *m_journaler;
- librbd::journal::MirrorPeerClientMeta *m_client_meta;
- ContextWQ *m_work_queue;
-
- SnapIdSet m_local_snap_ids;
- SnapIdSet m_remote_snap_ids;
- SnapSeqs m_snap_seqs;
- librados::snap_t m_prev_snap_id = CEPH_NOSNAP;
-
- std::string m_snap_name;
- cls::rbd::SnapshotNamespace m_snap_namespace;
-
- librbd::ParentSpec m_local_parent_spec;
-
- Mutex m_lock;
- bool m_canceled = false;
-
- void send_snap_unprotect();
- void handle_snap_unprotect(int r);
-
- void send_snap_remove();
- void handle_snap_remove(int r);
-
- void send_snap_create();
- void handle_snap_create(int r);
-
- void send_snap_protect();
- void handle_snap_protect(int r);
-
- void send_update_client();
- void handle_update_client(int r);
-
- bool handle_cancellation();
-
- void error(int r);
-
- void compute_snap_map();
-
- int validate_parent(ImageCtxT *image_ctx, librbd::ParentSpec *spec);
-
- Context *start_local_op();
-
-};
-
-} // namespace image_sync
-} // namespace mirror
-} // namespace rbd
-
-extern template class rbd::mirror::image_sync::SnapshotCopyRequest<librbd::ImageCtx>;
-
-#endif // RBD_MIRROR_IMAGE_SYNC_SNAPSHOT_COPY_REQUEST_H