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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_DEEP_COPY_SNAPSHOT_CREATE_REQUEST_H
#define CEPH_LIBRBD_DEEP_COPY_SNAPSHOT_CREATE_REQUEST_H
#include "include/int_types.h"
#include "include/rados/librados.hpp"
#include "common/snap_types.h"
#include "librbd/ImageCtx.h"
#include "librbd/Types.h"
#include <map>
#include <set>
#include <string>
#include <tuple>
class Context;
namespace librbd {
namespace deep_copy {
template <typename ImageCtxT = librbd::ImageCtx>
class SnapshotCreateRequest {
public:
static SnapshotCreateRequest* create(ImageCtxT *dst_image_ctx,
const std::string &snap_name,
const cls::rbd::SnapshotNamespace &snap_namespace,
uint64_t size,
const cls::rbd::ParentImageSpec &parent_spec,
uint64_t parent_overlap,
Context *on_finish) {
return new SnapshotCreateRequest(dst_image_ctx, snap_name, snap_namespace, size,
parent_spec, parent_overlap, on_finish);
}
SnapshotCreateRequest(ImageCtxT *dst_image_ctx,
const std::string &snap_name,
const cls::rbd::SnapshotNamespace &snap_namespace,
uint64_t size,
const cls::rbd::ParentImageSpec &parent_spec,
uint64_t parent_overlap, Context *on_finish);
void send();
private:
/**
* @verbatim
*
* <start>
* |
* v
* SET_HEAD
* |
* v
* CREATE_SNAP
* |
* v (skip if not needed)
* CREATE_OBJECT_MAP
* |
* v
* <finish>
*
* @endverbatim
*/
ImageCtxT *m_dst_image_ctx;
std::string m_snap_name;
cls::rbd::SnapshotNamespace m_snap_namespace;
uint64_t m_size;
cls::rbd::ParentImageSpec m_parent_spec;
uint64_t m_parent_overlap;
Context *m_on_finish;
CephContext *m_cct;
void send_set_head();
void handle_set_head(int r);
void send_create_snap();
void handle_create_snap(int r);
void send_create_object_map();
void handle_create_object_map(int r);
Context *start_lock_op(int* r);
void finish(int r);
};
} // namespace deep_copy
} // namespace librbd
extern template class librbd::deep_copy::SnapshotCreateRequest<librbd::ImageCtx>;
#endif // CEPH_LIBRBD_DEEP_COPY_SNAPSHOT_CREATE_REQUEST_H
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