--- /dev/null
+// -*- 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 "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<std::string>& names);
+ int list_children(ImageCtx *ictx,
+ std::set<std::pair<std::string, std::string> > & 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<std::string> *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<trash_image_info_t> &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<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 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<string, bufferlist> *pairs);
+ int metadata_get(ImageCtx *ictx, const std::string &key, std::string *value);
+
+}
+
+#endif
Code Review / stor4nfv.git / blobdiff