diff options
Diffstat (limited to 'src/librbd/journal/ResetRequest.h')
-rw-r--r-- | src/librbd/journal/ResetRequest.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/src/librbd/journal/ResetRequest.h b/src/librbd/journal/ResetRequest.h new file mode 100644 index 00000000..9cc8e2e4 --- /dev/null +++ b/src/librbd/journal/ResetRequest.h @@ -0,0 +1,111 @@ +// -*- 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 "common/Mutex.h" +#include "librbd/journal/TypeTraits.h" +#include <string> + +class Context; +class ContextWQ; +class SafeTimer; + +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 |