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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_IMAGE_ATTACH_PARENT_REQUEST_H
#define CEPH_LIBRBD_IMAGE_ATTACH_PARENT_REQUEST_H
#include "include/int_types.h"
#include "include/buffer.h"
#include "include/rados/librados.hpp"
#include "librbd/Types.h"
class Context;
namespace librbd {
class ImageCtx;
namespace image {
template <typename ImageCtxT = ImageCtx>
class AttachParentRequest {
public:
static AttachParentRequest* create(ImageCtxT& image_ctx,
const cls::rbd::ParentImageSpec& pspec,
uint64_t parent_overlap,
bool reattach,
Context* on_finish) {
return new AttachParentRequest(image_ctx, pspec, parent_overlap, reattach,
on_finish);
}
AttachParentRequest(ImageCtxT& image_ctx,
const cls::rbd::ParentImageSpec& pspec,
uint64_t parent_overlap, bool reattach,
Context* on_finish)
: m_image_ctx(image_ctx), m_parent_image_spec(pspec),
m_parent_overlap(parent_overlap), m_reattach(reattach),
m_on_finish(on_finish) {
}
void send();
private:
/**
* @verbatim
*
* <start>
* | * * * * * *
* | * * -EOPNOTSUPP
* v v *
* ATTACH_PARENT * * *
* |
* v
* <finish>
*
* @endverbatim
*/
ImageCtxT& m_image_ctx;
cls::rbd::ParentImageSpec m_parent_image_spec;
uint64_t m_parent_overlap;
bool m_reattach;
Context* m_on_finish;
bool m_legacy_parent = false;
void attach_parent();
void handle_attach_parent(int r);
void finish(int r);
};
} // namespace image
} // namespace librbd
extern template class librbd::image::AttachParentRequest<librbd::ImageCtx>;
#endif // CEPH_LIBRBD_IMAGE_ATTACH_PARENT_REQUEST_H
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