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Diffstat (limited to 'src/tools/rbd_mirror/image_replayer/journal/StateBuilder.h')
-rw-r--r-- | src/tools/rbd_mirror/image_replayer/journal/StateBuilder.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/src/tools/rbd_mirror/image_replayer/journal/StateBuilder.h b/src/tools/rbd_mirror/image_replayer/journal/StateBuilder.h new file mode 100644 index 000000000..790d1390b --- /dev/null +++ b/src/tools/rbd_mirror/image_replayer/journal/StateBuilder.h @@ -0,0 +1,94 @@ +// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- +// vim: ts=8 sw=2 smarttab + +#ifndef CEPH_RBD_MIRROR_IMAGE_REPLAYER_JOURNAL_STATE_BUILDER_H +#define CEPH_RBD_MIRROR_IMAGE_REPLAYER_JOURNAL_STATE_BUILDER_H + +#include "tools/rbd_mirror/image_replayer/StateBuilder.h" +#include "cls/journal/cls_journal_types.h" +#include "librbd/journal/Types.h" +#include "librbd/journal/TypeTraits.h" +#include <string> + +struct Context; + +namespace librbd { struct ImageCtx; } + +namespace rbd { +namespace mirror { +namespace image_replayer { +namespace journal { + +template <typename> class SyncPointHandler; + +template <typename ImageCtxT> +class StateBuilder : public image_replayer::StateBuilder<ImageCtxT> { +public: + typedef librbd::journal::TypeTraits<ImageCtxT> TypeTraits; + typedef typename TypeTraits::Journaler Journaler; + + static StateBuilder* create(const std::string& global_image_id) { + return new StateBuilder(global_image_id); + } + + StateBuilder(const std::string& global_image_id); + ~StateBuilder() override; + + void close(Context* on_finish) override; + + bool is_disconnected() const override; + + cls::rbd::MirrorImageMode get_mirror_image_mode() const override; + + image_sync::SyncPointHandler* create_sync_point_handler() override; + + bool replay_requires_remote_image() const override { + return false; + } + + BaseRequest* create_local_image_request( + Threads<ImageCtxT>* threads, + librados::IoCtx& local_io_ctx, + const std::string& global_image_id, + PoolMetaCache* pool_meta_cache, + ProgressContext* progress_ctx, + Context* on_finish) override; + + BaseRequest* create_prepare_replay_request( + const std::string& local_mirror_uuid, + ProgressContext* progress_ctx, + bool* resync_requested, + bool* syncing, + Context* on_finish) override; + + image_replayer::Replayer* create_replayer( + Threads<ImageCtxT>* threads, + InstanceWatcher<ImageCtxT>* instance_watcher, + const std::string& local_mirror_uuid, + PoolMetaCache* pool_meta_cache, + ReplayerListener* replayer_listener) override; + + std::string local_primary_mirror_uuid; + + Journaler* remote_journaler = nullptr; + cls::journal::ClientState remote_client_state = + cls::journal::CLIENT_STATE_CONNECTED; + librbd::journal::MirrorPeerClientMeta remote_client_meta; + + SyncPointHandler<ImageCtxT>* sync_point_handler = nullptr; + +private: + bool is_linked_impl() const override; + + void shut_down_remote_journaler(Context* on_finish); + void handle_shut_down_remote_journaler(int r, Context* on_finish); +}; + +} // namespace journal +} // namespace image_replayer +} // namespace mirror +} // namespace rbd + +extern template class rbd::mirror::image_replayer::journal::StateBuilder<librbd::ImageCtx>; + +#endif // CEPH_RBD_MIRROR_IMAGE_REPLAYER_JOURNAL_STATE_BUILDER_H |