add subtree-ish sources for 12.0.3

[ceph.git] / ceph / src / librbd / object_map / UpdateRequest.h

// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab

#ifndef CEPH_LIBRBD_OBJECT_MAP_UPDATE_REQUEST_H
#define CEPH_LIBRBD_OBJECT_MAP_UPDATE_REQUEST_H

#include "include/int_types.h"
#include "librbd/object_map/Request.h"
#include "common/bit_vector.hpp"
#include <boost/optional.hpp>

class Context;

namespace librbd {

class ImageCtx;

namespace object_map {

template <typename ImageCtxT = librbd::ImageCtx>
class UpdateRequest : public Request {
public:
  static UpdateRequest *create(ImageCtx &image_ctx,
                               ceph::BitVector<2> *object_map,
                               uint64_t snap_id, uint64_t start_object_no,
                               uint64_t end_object_no, uint8_t new_state,
                               const boost::optional<uint8_t> &current_state,
                               Context *on_finish) {
    return new UpdateRequest(image_ctx, object_map, snap_id, start_object_no,
                             end_object_no, new_state, current_state,
                             on_finish);
  }

  UpdateRequest(ImageCtx &image_ctx, ceph::BitVector<2> *object_map,
                uint64_t snap_id, uint64_t start_object_no,
                uint64_t end_object_no, uint8_t new_state,
                const boost::optional<uint8_t> &current_state,
      	        Context *on_finish)
    : Request(image_ctx, snap_id, on_finish), m_object_map(*object_map),
      m_start_object_no(start_object_no), m_end_object_no(end_object_no),
      m_new_state(new_state), m_current_state(current_state)
  {
  }

  void send() override;

protected:
  void finish_request() override;

private:
  ceph::BitVector<2> &m_object_map;
  uint64_t m_start_object_no;
  uint64_t m_end_object_no;
  uint8_t m_new_state;
  boost::optional<uint8_t> m_current_state;
};

} // namespace object_map
} // namespace librbd

extern template class librbd::object_map::UpdateRequest<librbd::ImageCtx>;

#endif // CEPH_LIBRBD_OBJECT_MAP_UPDATE_REQUEST_H