// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- // vim: ts=8 sw=2 smarttab #ifndef CEPH_LIBRBD_INTERNAL_H #define CEPH_LIBRBD_INTERNAL_H #include "include/int_types.h" #include #include #include #include #include "include/buffer_fwd.h" #include "include/rbd/librbd.hpp" #include "include/rbd_types.h" #include "cls/rbd/cls_rbd_types.h" #include "common/WorkQueue.h" #include "librbd/Types.h" enum { l_librbd_first = 26000, l_librbd_rd, // read ops l_librbd_rd_bytes, // bytes read l_librbd_rd_latency, // average latency l_librbd_wr, l_librbd_wr_bytes, l_librbd_wr_latency, l_librbd_discard, l_librbd_discard_bytes, l_librbd_discard_latency, l_librbd_flush, l_librbd_aio_flush, l_librbd_aio_flush_latency, l_librbd_ws, l_librbd_ws_bytes, l_librbd_ws_latency, l_librbd_cmp, l_librbd_cmp_bytes, l_librbd_cmp_latency, l_librbd_snap_create, l_librbd_snap_remove, l_librbd_snap_rollback, l_librbd_snap_rename, l_librbd_notify, l_librbd_resize, l_librbd_readahead, l_librbd_readahead_bytes, l_librbd_invalidate_cache, l_librbd_last, }; namespace librbd { struct ImageCtx; namespace io { struct AioCompletion; } class NoOpProgressContext : public ProgressContext { public: NoOpProgressContext() { } int update_progress(uint64_t offset, uint64_t src_size) override { return 0; } }; int detect_format(librados::IoCtx &io_ctx, const std::string &name, bool *old_format, uint64_t *size); bool has_parent(int64_t parent_pool_id, uint64_t off, uint64_t overlap); std::string image_option_name(int optname); void image_options_create(rbd_image_options_t* opts); void image_options_create_ref(rbd_image_options_t* opts, rbd_image_options_t orig); void image_options_copy(rbd_image_options_t *opts, const ImageOptions &orig); void image_options_destroy(rbd_image_options_t opts); int image_options_set(rbd_image_options_t opts, int optname, const std::string& optval); int image_options_set(rbd_image_options_t opts, int optname, uint64_t optval); int image_options_get(rbd_image_options_t opts, int optname, std::string* optval); int image_options_get(rbd_image_options_t opts, int optname, uint64_t* optval); int image_options_is_set(rbd_image_options_t opts, int optname, bool* is_set); int image_options_unset(rbd_image_options_t opts, int optname); void image_options_clear(rbd_image_options_t opts); bool image_options_is_empty(rbd_image_options_t opts); int snap_set(ImageCtx *ictx, const cls::rbd::SnapshotNamespace &snap_namespace, const char *snap_name); int list(librados::IoCtx& io_ctx, std::vector& names); int list_children(ImageCtx *ictx, std::set > & names); int create(librados::IoCtx& io_ctx, const char *imgname, uint64_t size, int *order); int create(librados::IoCtx& io_ctx, const char *imgname, uint64_t size, bool old_format, uint64_t features, int *order, uint64_t stripe_unit, uint64_t stripe_count); int create(IoCtx& io_ctx, const std::string &image_name, const std::string &image_id, uint64_t size, ImageOptions& opts, const std::string &non_primary_global_image_id, const std::string &primary_mirror_uuid, bool skip_mirror_enable); int clone(IoCtx& p_ioctx, const char *p_name, const char *p_snap_name, IoCtx& c_ioctx, const char *c_name, uint64_t features, int *c_order, uint64_t stripe_unit, int stripe_count); int clone(IoCtx& p_ioctx, const char *p_name, const char *p_snap_name, IoCtx& c_ioctx, const char *c_name, ImageOptions& c_opts); int clone(ImageCtx *p_imctx, IoCtx& c_ioctx, const std::string &c_name, const std::string &c_id, ImageOptions& c_opts, const std::string &non_primary_global_image_id, const std::string &primary_mirror_uuid); int rename(librados::IoCtx& io_ctx, const char *srcname, const char *dstname); int info(ImageCtx *ictx, image_info_t& info, size_t image_size); int get_old_format(ImageCtx *ictx, uint8_t *old); int get_size(ImageCtx *ictx, uint64_t *size); int get_features(ImageCtx *ictx, uint64_t *features); int get_overlap(ImageCtx *ictx, uint64_t *overlap); int get_parent_info(ImageCtx *ictx, std::string *parent_pool_name, std::string *parent_name, std::string *parent_id, std::string *parent_snap_name); int get_flags(ImageCtx *ictx, uint64_t *flags); int set_image_notification(ImageCtx *ictx, int fd, int type); int is_exclusive_lock_owner(ImageCtx *ictx, bool *is_owner); int lock_acquire(ImageCtx *ictx, rbd_lock_mode_t lock_mode); int lock_release(ImageCtx *ictx); int lock_get_owners(ImageCtx *ictx, rbd_lock_mode_t *lock_mode, std::list *lock_owners); int lock_break(ImageCtx *ictx, rbd_lock_mode_t lock_mode, const std::string &lock_owner); int remove(librados::IoCtx& io_ctx, const std::string &image_name, const std::string &image_id, ProgressContext& prog_ctx, bool force=false, bool from_trash_remove=false); int trash_move(librados::IoCtx &io_ctx, rbd_trash_image_source_t source, const std::string &image_name, uint64_t delay); int trash_get(IoCtx &io_ctx, const std::string &id, trash_image_info_t *info); int trash_list(librados::IoCtx &io_ctx, std::vector &entries); int trash_remove(librados::IoCtx &io_ctx, const std::string &image_id, bool force, ProgressContext& prog_ctx); int trash_restore(librados::IoCtx &io_ctx, const std::string &image_id, const std::string &image_new_name); int snap_list(ImageCtx *ictx, std::vector& snaps); int snap_exists(ImageCtx *ictx, const cls::rbd::SnapshotNamespace& snap_namespace, const char *snap_name, bool *exists); int snap_get_limit(ImageCtx *ictx, uint64_t *limit); int snap_set_limit(ImageCtx *ictx, uint64_t limit); int snap_get_timestamp(ImageCtx *ictx, uint64_t snap_id, struct timespec *timestamp); int snap_remove(ImageCtx *ictx, const char *snap_name, uint32_t flags, ProgressContext& pctx); int snap_is_protected(ImageCtx *ictx, const char *snap_name, bool *is_protected); int copy(ImageCtx *ictx, IoCtx& dest_md_ctx, const char *destname, ImageOptions& opts, ProgressContext &prog_ctx, size_t sparse_size); int copy(ImageCtx *src, ImageCtx *dest, ProgressContext &prog_ctx, size_t sparse_size); /* cooperative locking */ int list_lockers(ImageCtx *ictx, std::list *locks, bool *exclusive, std::string *tag); int lock(ImageCtx *ictx, bool exclusive, const std::string& cookie, const std::string& tag); int lock_shared(ImageCtx *ictx, const std::string& cookie, const std::string& tag); int unlock(ImageCtx *ictx, const std::string& cookie); int break_lock(ImageCtx *ictx, const std::string& client, const std::string& cookie); void trim_image(ImageCtx *ictx, uint64_t newsize, ProgressContext& prog_ctx); int read_header_bl(librados::IoCtx& io_ctx, const std::string& md_oid, ceph::bufferlist& header, uint64_t *ver); int read_header(librados::IoCtx& io_ctx, const std::string& md_oid, struct rbd_obj_header_ondisk *header, uint64_t *ver); int tmap_set(librados::IoCtx& io_ctx, const std::string& imgname); int tmap_rm(librados::IoCtx& io_ctx, const std::string& imgname); void image_info(const ImageCtx *ictx, image_info_t& info, size_t info_size); uint64_t oid_to_object_no(const std::string& oid, const std::string& object_prefix); int clip_io(ImageCtx *ictx, uint64_t off, uint64_t *len); void init_rbd_header(struct rbd_obj_header_ondisk& ondisk, uint64_t size, int order, uint64_t bid); int64_t read_iterate(ImageCtx *ictx, uint64_t off, uint64_t len, int (*cb)(uint64_t, size_t, const char *, void *), void *arg); void readahead(ImageCtx *ictx, const vector >& image_extents); int flush(ImageCtx *ictx); int invalidate_cache(ImageCtx *ictx); int poll_io_events(ImageCtx *ictx, io::AioCompletion **comps, int numcomp); int metadata_list(ImageCtx *ictx, const string &last, uint64_t max, map *pairs); int metadata_get(ImageCtx *ictx, const std::string &key, std::string *value); } #endif