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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_PREPARE_LOCAL_IMAGE_REQUEST_H
#define RBD_MIRROR_IMAGE_REPLAYER_PREPARE_LOCAL_IMAGE_REQUEST_H
#include "include/buffer.h"
#include "include/rados/librados_fwd.hpp"
#include "cls/rbd/cls_rbd_types.h"
#include "librbd/mirror/Types.h"
#include <string>
struct Context;
namespace librbd {
struct ImageCtx;
namespace asio { struct ContextWQ; }
} // namespace librbd
namespace rbd {
namespace mirror {
namespace image_replayer {
template <typename> class StateBuilder;
template <typename ImageCtxT = librbd::ImageCtx>
class PrepareLocalImageRequest {
public:
static PrepareLocalImageRequest *create(
librados::IoCtx &io_ctx,
const std::string &global_image_id,
std::string *local_image_name,
StateBuilder<ImageCtxT>** state_builder,
librbd::asio::ContextWQ *work_queue,
Context *on_finish) {
return new PrepareLocalImageRequest(io_ctx, global_image_id,
local_image_name, state_builder,
work_queue, on_finish);
}
PrepareLocalImageRequest(
librados::IoCtx &io_ctx,
const std::string &global_image_id,
std::string *local_image_name,
StateBuilder<ImageCtxT>** state_builder,
librbd::asio::ContextWQ *work_queue,
Context *on_finish)
: m_io_ctx(io_ctx), m_global_image_id(global_image_id),
m_local_image_name(local_image_name), m_state_builder(state_builder),
m_work_queue(work_queue), m_on_finish(on_finish) {
}
void send();
private:
/**
* @verbatim
*
* <start>
* |
* v
* GET_LOCAL_IMAGE_ID
* |
* v
* GET_LOCAL_IMAGE_NAME
* |
* v
* GET_MIRROR_INFO
* |
* | (if the image mirror state is CREATING)
* v
* TRASH_MOVE
* |
* v
* <finish>
*
* @endverbatim
*/
librados::IoCtx &m_io_ctx;
std::string m_global_image_id;
std::string *m_local_image_name;
StateBuilder<ImageCtxT>** m_state_builder;
librbd::asio::ContextWQ *m_work_queue;
Context *m_on_finish;
bufferlist m_out_bl;
std::string m_local_image_id;
cls::rbd::MirrorImage m_mirror_image;
librbd::mirror::PromotionState m_promotion_state;
std::string m_primary_mirror_uuid;
void get_local_image_id();
void handle_get_local_image_id(int r);
void get_local_image_name();
void handle_get_local_image_name(int r);
void get_mirror_info();
void handle_get_mirror_info(int r);
void move_to_trash();
void handle_move_to_trash(int r);
void finish(int r);
};
} // namespace image_replayer
} // namespace mirror
} // namespace rbd
extern template class rbd::mirror::image_replayer::PrepareLocalImageRequest<librbd::ImageCtx>;
#endif // RBD_MIRROR_IMAGE_REPLAYER_PREPARE_LOCAL_IMAGE_REQUEST_H
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