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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_JOURNAL_RESET_REQUEST_H
#define CEPH_LIBRBD_JOURNAL_RESET_REQUEST_H
#include "include/int_types.h"
#include "include/buffer.h"
#include "include/rados/librados.hpp"
#include "include/rbd/librbd.hpp"
#include "librbd/journal/TypeTraits.h"
#include "common/Timer.h"
#include <string>
class Context;
class ContextWQ;
namespace journal { class Journaler; }
namespace librbd {
class ImageCtx;
namespace journal {
template<typename ImageCtxT = ImageCtx>
class ResetRequest {
public:
static ResetRequest *create(librados::IoCtx &io_ctx,
const std::string &image_id,
const std::string &client_id,
const std::string &mirror_uuid,
ContextWQ *op_work_queue, Context *on_finish) {
return new ResetRequest(io_ctx, image_id, client_id, mirror_uuid,
op_work_queue, on_finish);
}
ResetRequest(librados::IoCtx &io_ctx, const std::string &image_id,
const std::string &client_id, const std::string &mirror_uuid,
ContextWQ *op_work_queue, Context *on_finish)
: m_io_ctx(io_ctx), m_image_id(image_id), m_client_id(client_id),
m_mirror_uuid(mirror_uuid), m_op_work_queue(op_work_queue),
m_on_finish(on_finish),
m_cct(reinterpret_cast<CephContext *>(m_io_ctx.cct())) {
}
void send();
private:
/**
* @verbatim
*
* <start>
* |
* v
* INIT_JOURNALER
* |
* v
* SHUT_DOWN_JOURNALER
* |
* v
* REMOVE_JOURNAL
* |
* v
* CREATE_JOURNAL
* |
* v
* <finish>
*
* @endverbatim
*/
typedef typename TypeTraits<ImageCtxT>::Journaler Journaler;
librados::IoCtx &m_io_ctx;
std::string m_image_id;
std::string m_client_id;
std::string m_mirror_uuid;
ContextWQ *m_op_work_queue;
Context *m_on_finish;
CephContext *m_cct;
Journaler *m_journaler = nullptr;
int m_ret_val = 0;
uint8_t m_order = 0;
uint8_t m_splay_width = 0;
std::string m_object_pool_name;
void init_journaler();
void handle_init_journaler(int r);
void shut_down_journaler();
void handle_journaler_shutdown(int r);
void remove_journal();
void handle_remove_journal(int r);
void create_journal();
void handle_create_journal(int r);
void finish(int r);
};
} // namespace journal
} // namespace librbd
extern template class librbd::journal::ResetRequest<librbd::ImageCtx>;
#endif // CEPH_LIBRBD_JOURNAL_REMOVE_REQUEST_H
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