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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_LIBRBD_MIRROR_GET_INFO_REQUEST_H
#define CEPH_LIBRBD_MIRROR_GET_INFO_REQUEST_H
#include "include/buffer.h"
#include "librbd/mirror/Types.h"
#include <string>
struct Context;
namespace cls { namespace rbd { struct MirrorImage; } }
namespace librbd {
struct ImageCtx;
namespace mirror {
template <typename ImageCtxT = librbd::ImageCtx>
class GetInfoRequest {
public:
static GetInfoRequest *create(ImageCtxT &image_ctx,
cls::rbd::MirrorImage *mirror_image,
PromotionState *promotion_state,
Context *on_finish) {
return new GetInfoRequest(image_ctx, mirror_image, promotion_state,
on_finish);
}
GetInfoRequest(ImageCtxT &image_ctx, cls::rbd::MirrorImage *mirror_image,
PromotionState *promotion_state, Context *on_finish)
: m_image_ctx(image_ctx), m_mirror_image(mirror_image),
m_promotion_state(promotion_state), m_on_finish(on_finish) {
}
void send();
private:
/**
* @verbatim
*
* <start>
* |
* v
* GET_MIRROR_IMAGE
* |
* v
* GET_TAG_OWNER
* |
* v
* <finish>
*
* @endverbatim
*/
ImageCtxT &m_image_ctx;
cls::rbd::MirrorImage *m_mirror_image;
PromotionState *m_promotion_state;
Context *m_on_finish;
bufferlist m_out_bl;
std::string m_mirror_uuid;
void get_mirror_image();
void handle_get_mirror_image(int r);
void get_tag_owner();
void handle_get_tag_owner(int r);
void finish(int r);
};
} // namespace mirror
} // namespace librbd
extern template class librbd::mirror::GetInfoRequest<librbd::ImageCtx>;
#endif // CEPH_LIBRBD_MIRROR_GET_INFO_REQUEST_H
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