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Diffstat (limited to '')
| -rw-r--r-- | src/librbd/internal.h | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/src/librbd/internal.h b/src/librbd/internal.h new file mode 100644 index 00000000..1e1864f3 --- /dev/null +++ b/src/librbd/internal.h @@ -0,0 +1,155 @@ +// -*- 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 <map> +#include <set> +#include <string> +#include <vector> + +#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 "common/ceph_time.h" +#include "librbd/Types.h" + +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 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_id, const char *p_name, + const char *p_snap_name, IoCtx& c_ioctx, const char *c_id, + const char *c_name, 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_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<std::string> *lock_owners); + int lock_break(ImageCtx *ictx, rbd_lock_mode_t lock_mode, + const std::string &lock_owner); + + int snap_list(ImageCtx *ictx, std::vector<snap_info_t>& 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<locker_t> *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<pair<uint64_t,uint64_t> >& image_extents); + + 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<string, bufferlist> *pairs); + int metadata_get(ImageCtx *ictx, const std::string &key, std::string *value); + + int list_watchers(ImageCtx *ictx, std::list<librbd::image_watcher_t> &watchers); +} + +std::ostream &operator<<(std::ostream &os, const librbd::ImageOptions &opts); + +#endif |