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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_CREATE_LOCAL_IMAGE_REQUEST_H
#define RBD_MIRROR_IMAGE_REPLAYER_JOURNAL_CREATE_LOCAL_IMAGE_REQUEST_H
#include "include/rados/librados_fwd.hpp"
#include "tools/rbd_mirror/BaseRequest.h"
#include <string>
struct Context;
namespace journal { class Journaler; }
namespace librbd { class ImageCtx; }
namespace rbd {
namespace mirror {
class PoolMetaCache;
class ProgressContext;
template <typename> struct Threads;
namespace image_replayer {
namespace journal {
template <typename> class StateBuilder;
template <typename ImageCtxT>
class CreateLocalImageRequest : public BaseRequest {
public:
typedef rbd::mirror::ProgressContext ProgressContext;
static CreateLocalImageRequest* create(
Threads<ImageCtxT>* threads,
librados::IoCtx& local_io_ctx,
ImageCtxT* remote_image_ctx,
const std::string& global_image_id,
PoolMetaCache* pool_meta_cache,
ProgressContext* progress_ctx,
StateBuilder<ImageCtxT>* state_builder,
Context* on_finish) {
return new CreateLocalImageRequest(threads, local_io_ctx, remote_image_ctx,
global_image_id, pool_meta_cache,
progress_ctx, state_builder, on_finish);
}
CreateLocalImageRequest(
Threads<ImageCtxT>* threads,
librados::IoCtx& local_io_ctx,
ImageCtxT* remote_image_ctx,
const std::string& global_image_id,
PoolMetaCache* pool_meta_cache,
ProgressContext* progress_ctx,
StateBuilder<ImageCtxT>* state_builder,
Context* on_finish)
: BaseRequest(on_finish),
m_threads(threads),
m_local_io_ctx(local_io_ctx),
m_remote_image_ctx(remote_image_ctx),
m_global_image_id(global_image_id),
m_pool_meta_cache(pool_meta_cache),
m_progress_ctx(progress_ctx),
m_state_builder(state_builder) {
}
void send();
private:
/**
* @verbatim
*
* <start>
* |
* v
* UNREGISTER_CLIENT < * * * * * * * *
* | *
* v *
* REGISTER_CLIENT *
* | *
* v (id exists) *
* CREATE_LOCAL_IMAGE * * * * * * * * *
* |
* v
* <finish>
*
* @endverbatim
*/
Threads<ImageCtxT>* m_threads;
librados::IoCtx& m_local_io_ctx;
ImageCtxT* m_remote_image_ctx;
std::string m_global_image_id;
PoolMetaCache* m_pool_meta_cache;
ProgressContext* m_progress_ctx;
StateBuilder<ImageCtxT>* m_state_builder;
void unregister_client();
void handle_unregister_client(int r);
void register_client();
void handle_register_client(int r);
void create_local_image();
void handle_create_local_image(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::CreateLocalImageRequest<librbd::ImageCtx>;
#endif // RBD_MIRROR_IMAGE_REPLAYER_JOURNAL_CREATE_LOCAL_IMAGE_REQUEST_H
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