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// -*- 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
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