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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_RBD_MIRROR_IMAGE_MAP_UPDATE_REQUEST_H
#define CEPH_RBD_MIRROR_IMAGE_MAP_UPDATE_REQUEST_H
#include "cls/rbd/cls_rbd_types.h"
#include "include/rados/librados.hpp"
class Context;
namespace librbd { class ImageCtx; }
namespace rbd {
namespace mirror {
namespace image_map {
template<typename ImageCtxT = librbd::ImageCtx>
class UpdateRequest {
public:
// accepts an image map for updation and a collection of
// global image ids to purge.
static UpdateRequest *create(librados::IoCtx &ioctx,
std::map<std::string, cls::rbd::MirrorImageMap> &&update_mapping,
std::set<std::string> &&remove_global_image_ids, Context *on_finish) {
return new UpdateRequest(ioctx, std::move(update_mapping), std::move(remove_global_image_ids),
on_finish);
}
void send();
private:
/**
* @verbatim
*
* <start>
* | . . . . . . . .
* v v . MAX_UPDATE
* UPDATE_IMAGE_MAP. . . . . . .
* |
* v
* <finish>
*
* @endverbatim
*/
UpdateRequest(librados::IoCtx &ioctx,
std::map<std::string, cls::rbd::MirrorImageMap> &&update_mapping,
std::set<std::string> &&remove_global_image_ids, Context *on_finish);
librados::IoCtx &m_ioctx;
std::map<std::string, cls::rbd::MirrorImageMap> m_update_mapping;
std::set<std::string> m_remove_global_image_ids;
Context *m_on_finish;
void update_image_map();
void handle_update_image_map(int r);
void finish(int r);
};
} // namespace image_map
} // namespace mirror
} // namespace rbd
#endif // CEPH_RBD_MIRROR_IMAGE_MAP_UPDATE_REQUEST_H
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