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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_SNAPSHOT_INTERFACE_H
#define CEPH_LIBRBD_MIGRATION_SNAPSHOT_INTERFACE_H
#include "include/buffer_fwd.h"
#include "include/int_types.h"
#include "common/zipkin_trace.h"
#include "librbd/Types.h"
#include "librbd/io/Types.h"
#include <string>
struct Context;
namespace librbd {
namespace io {
struct AioCompletion;
struct ReadResult;
} // namespace io
namespace migration {
struct SnapshotInterface {
virtual ~SnapshotInterface() {
}
virtual void open(SnapshotInterface* previous_snapshot,
Context* on_finish) = 0;
virtual void close(Context* on_finish) = 0;
virtual const SnapInfo& get_snap_info() const = 0;
virtual void read(io::AioCompletion* aio_comp, io::Extents&& image_extents,
io::ReadResult&& read_result, int op_flags, int read_flags,
const ZTracer::Trace &parent_trace) = 0;
virtual void list_snap(io::Extents&& image_extents, int list_snaps_flags,
io::SparseExtents* sparse_extents,
const ZTracer::Trace &parent_trace,
Context* on_finish) = 0;
};
} // namespace migration
} // namespace librbd
#endif // CEPH_LIBRBD_MIGRATION_SNAPSHOT_INTERFACE_H
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