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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_MIRROR_ENABLE_REQUEST_H
#define CEPH_LIBRBD_MIRROR_ENABLE_REQUEST_H
#include "include/buffer_fwd.h"
#include "include/rados/librados_fwd.hpp"
#include "cls/rbd/cls_rbd_types.h"
#include <map>
#include <string>
class Context;
class ContextWQ;
namespace librbd {
class ImageCtx;
namespace mirror {
template <typename ImageCtxT = ImageCtx>
class EnableRequest {
public:
static EnableRequest *create(ImageCtxT *image_ctx, Context *on_finish) {
return create(image_ctx->md_ctx, image_ctx->id, "",
image_ctx->op_work_queue, on_finish);
}
static EnableRequest *create(librados::IoCtx &io_ctx,
const std::string &image_id,
const std::string &non_primary_global_image_id,
ContextWQ *op_work_queue, Context *on_finish) {
return new EnableRequest(io_ctx, image_id, non_primary_global_image_id,
op_work_queue, on_finish);
}
void send();
private:
/**
* @verbatim
*
* <start>
* |
* v
* GET_MIRROR_IMAGE * * * * * * *
* | * (on error)
* v *
* GET_TAG_OWNER * * * * * * * *
* | *
* v *
* SET_MIRROR_IMAGE * * * * * * *
* | *
* v *
* NOTIFY_MIRRORING_WATCHER * * *
* | *
* v *
* <finish> < * * * * * * * * *
*
* @endverbatim
*/
EnableRequest(librados::IoCtx &io_ctx, const std::string &image_id,
const std::string &non_primary_global_image_id,
ContextWQ *op_work_queue, Context *on_finish);
librados::IoCtx &m_io_ctx;
std::string m_image_id;
std::string m_non_primary_global_image_id;
ContextWQ *m_op_work_queue;
Context *m_on_finish;
CephContext *m_cct = nullptr;
bool m_is_primary = false;
bufferlist m_out_bl;
cls::rbd::MirrorImage m_mirror_image;
void send_get_mirror_image();
Context *handle_get_mirror_image(int *result);
void send_get_tag_owner();
Context *handle_get_tag_owner(int *result);
void send_set_mirror_image();
Context *handle_set_mirror_image(int *result);
void send_notify_mirroring_watcher();
Context *handle_notify_mirroring_watcher(int *result);
};
} // namespace mirror
} // namespace librbd
extern template class librbd::mirror::EnableRequest<librbd::ImageCtx>;
#endif // CEPH_LIBRBD_MIRROR_ENABLE_REQUEST_H
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