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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#ifndef RBD_MIRROR_IMAGE_REPLAYER_JOURNAL_PREPARE_REPLAY_REQUEST_H
#define RBD_MIRROR_IMAGE_REPLAYER_JOURNAL_PREPARE_REPLAY_REQUEST_H
#include "include/int_types.h"
#include "cls/journal/cls_journal_types.h"
#include "librbd/journal/Types.h"
#include "librbd/mirror/Types.h"
#include "tools/rbd_mirror/BaseRequest.h"
#include <list>
#include <string>
struct Context;
namespace librbd { struct ImageCtx; }
namespace rbd {
namespace mirror {
class ProgressContext;
namespace image_replayer {
namespace journal {
template <typename> class StateBuilder;
template <typename ImageCtxT>
class PrepareReplayRequest : public BaseRequest {
public:
static PrepareReplayRequest* create(
const std::string& local_mirror_uuid,
ProgressContext* progress_ctx,
StateBuilder<ImageCtxT>* state_builder,
bool* resync_requested,
bool* syncing,
Context* on_finish) {
return new PrepareReplayRequest(
local_mirror_uuid, progress_ctx, state_builder, resync_requested,
syncing, on_finish);
}
PrepareReplayRequest(
const std::string& local_mirror_uuid,
ProgressContext* progress_ctx,
StateBuilder<ImageCtxT>* state_builder,
bool* resync_requested,
bool* syncing,
Context* on_finish)
: BaseRequest(on_finish),
m_local_mirror_uuid(local_mirror_uuid),
m_progress_ctx(progress_ctx),
m_state_builder(state_builder),
m_resync_requested(resync_requested),
m_syncing(syncing) {
}
void send() override;
private:
/**
* @verbatim
*
* <start>
* |
* v
* UPDATE_CLIENT_STATE
* |
* v
* GET_REMOTE_TAG_CLASS
* |
* v
* GET_REMOTE_TAGS
* |
* v
* <finish>
*
* @endverbatim
*/
typedef std::list<cls::journal::Tag> Tags;
std::string m_local_mirror_uuid;
ProgressContext* m_progress_ctx;
StateBuilder<ImageCtxT>* m_state_builder;
bool* m_resync_requested;
bool* m_syncing;
uint64_t m_local_tag_tid = 0;
librbd::journal::TagData m_local_tag_data;
uint64_t m_remote_tag_class = 0;
Tags m_remote_tags;
cls::journal::Client m_client;
void update_client_state();
void handle_update_client_state(int r);
void get_remote_tag_class();
void handle_get_remote_tag_class(int r);
void get_remote_tags();
void handle_get_remote_tags(int r);
void update_progress(const std::string& description);
};
} // namespace journal
} // namespace image_replayer
} // namespace mirror
} // namespace rbd
extern template class rbd::mirror::image_replayer::journal::PrepareReplayRequest<librbd::ImageCtx>;
#endif // RBD_MIRROR_IMAGE_REPLAYER_JOURNAL_PREPARE_REPLAY_REQUEST_H
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