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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_MIGRATION_OPEN_SOURCE_IMAGE_REQUEST_H
#define CEPH_LIBRBD_MIGRATION_OPEN_SOURCE_IMAGE_REQUEST_H
#include "librbd/Types.h"
#include <memory>
struct Context;
namespace librbd {
struct ImageCtx;
namespace migration {
struct FormatInterface;
template <typename ImageCtxT>
class OpenSourceImageRequest {
public:
static OpenSourceImageRequest* create(ImageCtxT* destination_image_ctx,
uint64_t src_snap_id,
const MigrationInfo &migration_info,
ImageCtxT** source_image_ctx,
Context* on_finish) {
return new OpenSourceImageRequest(destination_image_ctx, src_snap_id,
migration_info, source_image_ctx,
on_finish);
}
OpenSourceImageRequest(ImageCtxT* destination_image_ctx,
uint64_t src_snap_id,
const MigrationInfo &migration_info,
ImageCtxT** source_image_ctx,
Context* on_finish);
void send();
private:
/**
* @verbatim
*
* <start>
* |
* v
* OPEN_SOURCE
* |
* v
* <finish>
*
* @endverbatim
*/
ImageCtxT* m_dst_image_ctx;
uint64_t m_src_snap_id;
MigrationInfo m_migration_info;
ImageCtxT** m_src_image_ctx;
Context* m_on_finish;
std::unique_ptr<FormatInterface> m_format;
void open_source();
void handle_open_source(int r);
void finish(int r);
};
} // namespace migration
} // namespace librbd
extern template class librbd::migration::OpenSourceImageRequest<librbd::ImageCtx>;
#endif // CEPH_LIBRBD_MIGRATION_OPEN_SOURCE_IMAGE_REQUEST_H
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