diff options
Diffstat (limited to 'src/cls/rbd/cls_rbd_client.cc')
| -rw-r--r-- | src/cls/rbd/cls_rbd_client.cc | 2807 |
1 files changed, 2807 insertions, 0 deletions
diff --git a/src/cls/rbd/cls_rbd_client.cc b/src/cls/rbd/cls_rbd_client.cc new file mode 100644 index 00000000..9b868c55 --- /dev/null +++ b/src/cls/rbd/cls_rbd_client.cc @@ -0,0 +1,2807 @@ +// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- +// vim: ts=8 sw=2 smarttab + +#include "cls/rbd/cls_rbd_client.h" +#include "cls/lock/cls_lock_client.h" +#include "include/buffer.h" +#include "include/encoding.h" +#include "include/rbd_types.h" +#include "include/rados/librados.hpp" +#include "common/bit_vector.hpp" + +#include <errno.h> + +namespace librbd { +namespace cls_client { + +void create_image(librados::ObjectWriteOperation *op, uint64_t size, + uint8_t order, uint64_t features, + const std::string &object_prefix, int64_t data_pool_id) +{ + bufferlist bl; + encode(size, bl); + encode(order, bl); + encode(features, bl); + encode(object_prefix, bl); + encode(data_pool_id, bl); + + op->exec("rbd", "create", bl); +} + +int create_image(librados::IoCtx *ioctx, const std::string &oid, + uint64_t size, uint8_t order, uint64_t features, + const std::string &object_prefix, int64_t data_pool_id) +{ + librados::ObjectWriteOperation op; + create_image(&op, size, order, features, object_prefix, data_pool_id); + + return ioctx->operate(oid, &op); +} + +void get_features_start(librados::ObjectReadOperation *op, bool read_only) +{ + bufferlist bl; + encode(static_cast<uint64_t>(CEPH_NOSNAP), bl); + encode(read_only, bl); + op->exec("rbd", "get_features", bl); +} + +int get_features_finish(bufferlist::const_iterator *it, uint64_t *features, + uint64_t *incompatible_features) +{ + try { + decode(*features, *it); + decode(*incompatible_features, *it); + } catch (const buffer::error &err) { + return -EBADMSG; + } + + return 0; +} + +int get_features(librados::IoCtx *ioctx, const std::string &oid, + bool read_only, uint64_t *features, + uint64_t *incompatible_features) +{ + librados::ObjectReadOperation op; + get_features_start(&op, read_only); + + bufferlist out_bl; + int r = ioctx->operate(oid, &op, &out_bl); + if (r < 0) { + return r; + } + + auto it = out_bl.cbegin(); + return get_features_finish(&it, features, incompatible_features); +} + +void set_features(librados::ObjectWriteOperation *op, uint64_t features, + uint64_t mask) +{ + bufferlist bl; + encode(features, bl); + encode(mask, bl); + + op->exec("rbd", "set_features", bl); +} + +int set_features(librados::IoCtx *ioctx, const std::string &oid, + uint64_t features, uint64_t mask) +{ + librados::ObjectWriteOperation op; + set_features(&op, features, mask); + + return ioctx->operate(oid, &op); +} + +void get_object_prefix_start(librados::ObjectReadOperation *op) +{ + bufferlist bl; + op->exec("rbd", "get_object_prefix", bl); +} + +int get_object_prefix_finish(bufferlist::const_iterator *it, + std::string *object_prefix) +{ + try { + decode(*object_prefix, *it); + } catch (const buffer::error &err) { + return -EBADMSG; + } + return 0; +} + +int get_object_prefix(librados::IoCtx *ioctx, const std::string &oid, + std::string *object_prefix) +{ + librados::ObjectReadOperation op; + get_object_prefix_start(&op); + + bufferlist out_bl; + int r = ioctx->operate(oid, &op, &out_bl); + if (r < 0) { + return r; + } + + auto it = out_bl.cbegin(); + return get_object_prefix_finish(&it, object_prefix); +} + +void get_data_pool_start(librados::ObjectReadOperation *op) { + bufferlist bl; + op->exec("rbd", "get_data_pool", bl); +} + +int get_data_pool_finish(bufferlist::const_iterator *it, int64_t *data_pool_id) { + try { + decode(*data_pool_id, *it); + } catch (const buffer::error &err) { + return -EBADMSG; + } + return 0; +} + +int get_data_pool(librados::IoCtx *ioctx, const std::string &oid, + int64_t *data_pool_id) { + librados::ObjectReadOperation op; + get_data_pool_start(&op); + + bufferlist out_bl; + int r = ioctx->operate(oid, &op, &out_bl); + if (r < 0) { + return r; + } + + auto it = out_bl.cbegin(); + return get_data_pool_finish(&it, data_pool_id); +} + +void get_size_start(librados::ObjectReadOperation *op, snapid_t snap_id) +{ + bufferlist bl; + encode(snap_id, bl); + op->exec("rbd", "get_size", bl); +} + +int get_size_finish(bufferlist::const_iterator *it, uint64_t *size, + uint8_t *order) +{ + try { + decode(*order, *it); + decode(*size, *it); + } catch (const buffer::error &err) { + return -EBADMSG; + } + return 0; +} + +int get_size(librados::IoCtx *ioctx, const std::string &oid, + snapid_t snap_id, uint64_t *size, uint8_t *order) +{ + librados::ObjectReadOperation op; + get_size_start(&op, snap_id); + + bufferlist out_bl; + int r = ioctx->operate(oid, &op, &out_bl); + if (r < 0) { + return r; + } + + auto it = out_bl.cbegin(); + return get_size_finish(&it, size, order); +} + +int set_size(librados::IoCtx *ioctx, const std::string &oid, + uint64_t size) +{ + librados::ObjectWriteOperation op; + set_size(&op, size); + return ioctx->operate(oid, &op); +} + +void set_size(librados::ObjectWriteOperation *op, uint64_t size) +{ + bufferlist bl; + encode(size, bl); + op->exec("rbd", "set_size", bl); +} + +void get_flags_start(librados::ObjectReadOperation *op, snapid_t snap_id) { + bufferlist in_bl; + encode(static_cast<snapid_t>(snap_id), in_bl); + op->exec("rbd", "get_flags", in_bl); +} + +int get_flags_finish(bufferlist::const_iterator *it, uint64_t *flags) { + try { + decode(*flags, *it); + } catch (const buffer::error &err) { + return -EBADMSG; + } + return 0; +} + +int get_flags(librados::IoCtx *ioctx, const std::string &oid, + snapid_t snap_id, uint64_t *flags) +{ + librados::ObjectReadOperation op; + get_flags_start(&op, snap_id); + + bufferlist out_bl; + int r = ioctx->operate(oid, &op, &out_bl); + if (r < 0) { + return r; + } + + auto it = out_bl.cbegin(); + return get_flags_finish(&it, flags); +} + +void set_flags(librados::ObjectWriteOperation *op, snapid_t snap_id, + uint64_t flags, uint64_t mask) +{ + bufferlist inbl; + encode(flags, inbl); + encode(mask, inbl); + encode(snap_id, inbl); + op->exec("rbd", "set_flags", inbl); +} + +void op_features_get_start(librados::ObjectReadOperation *op) +{ + bufferlist in_bl; + op->exec("rbd", "op_features_get", in_bl); +} + +int op_features_get_finish(bufferlist::const_iterator *it, uint64_t *op_features) +{ + try { + decode(*op_features, *it); + } catch (const buffer::error &err) { + return -EBADMSG; + } + return 0; +} + +int op_features_get(librados::IoCtx *ioctx, const std::string &oid, + uint64_t *op_features) +{ + librados::ObjectReadOperation op; + op_features_get_start(&op); + + bufferlist out_bl; + int r = ioctx->operate(oid, &op, &out_bl); + if (r < 0) { + return r; + } + + auto it = out_bl.cbegin(); + return op_features_get_finish(&it, op_features); +} + +void op_features_set(librados::ObjectWriteOperation *op, + uint64_t op_features, uint64_t mask) +{ + bufferlist inbl; + encode(op_features, inbl); + encode(mask, inbl); + op->exec("rbd", "op_features_set", inbl); +} + +int op_features_set(librados::IoCtx *ioctx, const std::string &oid, + uint64_t op_features, uint64_t mask) +{ + librados::ObjectWriteOperation op; + op_features_set(&op, op_features, mask); + + return ioctx->operate(oid, &op); +} + +void get_parent_start(librados::ObjectReadOperation *op, snapid_t snap_id) +{ + bufferlist bl; + encode(snap_id, bl); + op->exec("rbd", "get_parent", bl); +} + +int get_parent_finish(bufferlist::const_iterator *it, + cls::rbd::ParentImageSpec *pspec, + uint64_t *parent_overlap) +{ + *pspec = {}; + try { + decode(pspec->pool_id, *it); + decode(pspec->image_id, *it); + decode(pspec->snap_id, *it); + decode(*parent_overlap, *it); + } catch (const buffer::error &) { + return -EBADMSG; + } + return 0; +} + +int get_parent(librados::IoCtx *ioctx, const std::string &oid, + snapid_t snap_id, cls::rbd::ParentImageSpec *pspec, + uint64_t *parent_overlap) +{ + librados::ObjectReadOperation op; + get_parent_start(&op, snap_id); + + bufferlist out_bl; + int r = ioctx->operate(oid, &op, &out_bl); + if (r < 0) { + return r; + } + + auto it = out_bl.cbegin(); + return get_parent_finish(&it, pspec, parent_overlap); +} + +int set_parent(librados::IoCtx *ioctx, const std::string &oid, + const cls::rbd::ParentImageSpec &pspec, uint64_t parent_overlap) +{ + librados::ObjectWriteOperation op; + set_parent(&op, pspec, parent_overlap); + return ioctx->operate(oid, &op); +} + +void set_parent(librados::ObjectWriteOperation *op, + const cls::rbd::ParentImageSpec &pspec, + uint64_t parent_overlap) { + assert(pspec.pool_namespace.empty()); + + bufferlist in_bl; + encode(pspec.pool_id, in_bl); + encode(pspec.image_id, in_bl); + encode(pspec.snap_id, in_bl); + encode(parent_overlap, in_bl); + + op->exec("rbd", "set_parent", in_bl); +} + +int remove_parent(librados::IoCtx *ioctx, const std::string &oid) +{ + librados::ObjectWriteOperation op; + remove_parent(&op); + return ioctx->operate(oid, &op); +} + +void remove_parent(librados::ObjectWriteOperation *op) +{ + bufferlist inbl; + op->exec("rbd", "remove_parent", inbl); +} + +void parent_get_start(librados::ObjectReadOperation* op) { + bufferlist in_bl; + op->exec("rbd", "parent_get", in_bl); +} + +int parent_get_finish(bufferlist::const_iterator* it, + cls::rbd::ParentImageSpec* parent_image_spec) { + try { + decode(*parent_image_spec, *it); + } catch (const buffer::error &) { + return -EBADMSG; + } + return 0; +} + +int parent_get(librados::IoCtx* ioctx, const std::string &oid, + cls::rbd::ParentImageSpec* parent_image_spec) { + librados::ObjectReadOperation op; + parent_get_start(&op); + + bufferlist out_bl; + int r = ioctx->operate(oid, &op, &out_bl); + if (r < 0) { + return r; + } + + auto it = out_bl.cbegin(); + r = parent_get_finish(&it, parent_image_spec); + if (r < 0) { + return r; + } + return 0; +} + +void parent_overlap_get_start(librados::ObjectReadOperation* op, + snapid_t snap_id) { + bufferlist in_bl; + encode(snap_id, in_bl); + op->exec("rbd", "parent_overlap_get", in_bl); +} + +int parent_overlap_get_finish(bufferlist::const_iterator* it, + std::optional<uint64_t>* parent_overlap) { + try { + decode(*parent_overlap, *it); + } catch (const buffer::error &) { + return -EBADMSG; + } + return 0; +} + +int parent_overlap_get(librados::IoCtx* ioctx, const std::string &oid, + snapid_t snap_id, + std::optional<uint64_t>* parent_overlap) { + librados::ObjectReadOperation op; + parent_overlap_get_start(&op, snap_id); + + bufferlist out_bl; + int r = ioctx->operate(oid, &op, &out_bl); + if (r < 0) { + return r; + } + + auto it = out_bl.cbegin(); + r = parent_overlap_get_finish(&it, parent_overlap); + if (r < 0) { + return r; + } + return 0; +} + +void parent_attach(librados::ObjectWriteOperation* op, + const cls::rbd::ParentImageSpec& parent_image_spec, + uint64_t parent_overlap, bool reattach) { + bufferlist in_bl; + encode(parent_image_spec, in_bl); + encode(parent_overlap, in_bl); + encode(reattach, in_bl); + op->exec("rbd", "parent_attach", in_bl); +} + +int parent_attach(librados::IoCtx *ioctx, const std::string &oid, + const cls::rbd::ParentImageSpec& parent_image_spec, + uint64_t parent_overlap, bool reattach) { + librados::ObjectWriteOperation op; + parent_attach(&op, parent_image_spec, parent_overlap, reattach); + return ioctx->operate(oid, &op); +} + +void parent_detach(librados::ObjectWriteOperation* op) { + bufferlist in_bl; + op->exec("rbd", "parent_detach", in_bl); +} + +int parent_detach(librados::IoCtx *ioctx, const std::string &oid) { + librados::ObjectWriteOperation op; + parent_detach(&op); + return ioctx->operate(oid, &op); +} + +int add_child(librados::IoCtx *ioctx, const std::string &oid, + const cls::rbd::ParentImageSpec &pspec, + const std::string &c_imageid) +{ + librados::ObjectWriteOperation op; + add_child(&op, pspec, c_imageid); + return ioctx->operate(oid, &op); +} + +void add_child(librados::ObjectWriteOperation *op, + const cls::rbd::ParentImageSpec& pspec, + const std::string &c_imageid) +{ + assert(pspec.pool_namespace.empty()); + + bufferlist in; + encode(pspec.pool_id, in); + encode(pspec.image_id, in); + encode(pspec.snap_id, in); + encode(c_imageid, in); + + op->exec("rbd", "add_child", in); +} + +void remove_child(librados::ObjectWriteOperation *op, + const cls::rbd::ParentImageSpec &pspec, + const std::string &c_imageid) +{ + assert(pspec.pool_namespace.empty()); + + bufferlist in; + encode(pspec.pool_id, in); + encode(pspec.image_id, in); + encode(pspec.snap_id, in); + encode(c_imageid, in); + op->exec("rbd", "remove_child", in); +} + +int remove_child(librados::IoCtx *ioctx, const std::string &oid, + const cls::rbd::ParentImageSpec &pspec, + const std::string &c_imageid) +{ + librados::ObjectWriteOperation op; + remove_child(&op, pspec, c_imageid); + return ioctx->operate(oid, &op); +} + +void get_children_start(librados::ObjectReadOperation *op, + const cls::rbd::ParentImageSpec &pspec) { + bufferlist in_bl; + encode(pspec.pool_id, in_bl); + encode(pspec.image_id, in_bl); + encode(pspec.snap_id, in_bl); + op->exec("rbd", "get_children", in_bl); +} + +int get_children_finish(bufferlist::const_iterator *it, + std::set<std::string>* children) { + try { + decode(*children, *it); + } catch (const buffer::error &err) { + return -EBADMSG; + } + return 0; +} + +int get_children(librados::IoCtx *ioctx, const std::string &oid, + const cls::rbd::ParentImageSpec &pspec, set<string>& children) +{ + librados::ObjectReadOperation op; + get_children_start(&op, pspec); + + bufferlist out_bl; + int r = ioctx->operate(oid, &op, &out_bl); + if (r < 0) { + return r; + } + + auto it = out_bl.cbegin(); + return get_children_finish(&it, &children); +} + +void snapshot_get_start(librados::ObjectReadOperation *op, snapid_t snap_id) +{ + bufferlist bl; + encode(snap_id, bl); + op->exec("rbd", "snapshot_get", bl); +} + +int snapshot_get_finish(bufferlist::const_iterator* it, + cls::rbd::SnapshotInfo* snap_info) +{ + try { + decode(*snap_info, *it); + } catch (const buffer::error &err) { + return -EBADMSG; + } + return 0; +} + +int snapshot_get(librados::IoCtx *ioctx, const std::string &oid, + snapid_t snap_id, cls::rbd::SnapshotInfo* snap_info) +{ + librados::ObjectReadOperation op; + snapshot_get_start(&op, snap_id); + + bufferlist out_bl; + int r = ioctx->operate(oid, &op, &out_bl); + if (r < 0) { + return r; + } + + auto it = out_bl.cbegin(); + return snapshot_get_finish(&it, snap_info); +} + +void snapshot_add(librados::ObjectWriteOperation *op, snapid_t snap_id, + const std::string &snap_name, + const cls::rbd::SnapshotNamespace &snap_namespace) +{ + bufferlist bl; + encode(snap_name, bl); + encode(snap_id, bl); + encode(snap_namespace, bl); + op->exec("rbd", "snapshot_add", bl); +} + +void snapshot_remove(librados::ObjectWriteOperation *op, snapid_t snap_id) +{ + bufferlist bl; + encode(snap_id, bl); + op->exec("rbd", "snapshot_remove", bl); +} + +void snapshot_rename(librados::ObjectWriteOperation *op, + snapid_t src_snap_id, + const std::string &dst_name) +{ + bufferlist bl; + encode(src_snap_id, bl); + encode(dst_name, bl); + op->exec("rbd", "snapshot_rename", bl); +} + +void snapshot_trash_add(librados::ObjectWriteOperation *op, + snapid_t snap_id) +{ + bufferlist bl; + encode(snap_id, bl); + op->exec("rbd", "snapshot_trash_add", bl); +} + +void get_snapcontext_start(librados::ObjectReadOperation *op) +{ + bufferlist bl; + op->exec("rbd", "get_snapcontext", bl); +} + +int get_snapcontext_finish(bufferlist::const_iterator *it, + ::SnapContext *snapc) +{ + try { + decode(*snapc, *it); + } catch (const buffer::error &err) { + return -EBADMSG; + } + if (!snapc->is_valid()) { + return -EBADMSG; + } + return 0; +} + +int get_snapcontext(librados::IoCtx *ioctx, const std::string &oid, + ::SnapContext *snapc) +{ + librados::ObjectReadOperation op; + get_snapcontext_start(&op); + + bufferlist out_bl; + int r = ioctx->operate(oid, &op, &out_bl); + if (r < 0) { + return r; + } + + auto bl_it = out_bl.cbegin(); + return get_snapcontext_finish(&bl_it, snapc); +} + +void get_snapshot_name_start(librados::ObjectReadOperation *op, + snapid_t snap_id) +{ + bufferlist bl; + encode(snap_id, bl); + op->exec("rbd", "get_snapshot_name", bl); +} + +int get_snapshot_name_finish(bufferlist::const_iterator *it, + std::string *name) +{ + try { + decode(*name, *it); + } catch (const buffer::error &err) { + return -EBADMSG; + } + return 0; +} + +int get_snapshot_name(librados::IoCtx *ioctx, const std::string &oid, + snapid_t snap_id, std::string *name) +{ + librados::ObjectReadOperation op; + get_snapshot_name_start(&op, snap_id); + + bufferlist out_bl; + int r = ioctx->operate(oid, &op, &out_bl); + if (r < 0) { + return r; + } + + auto it = out_bl.cbegin(); + return get_snapshot_name_finish(&it, name); +} + +void get_snapshot_timestamp_start(librados::ObjectReadOperation *op, + snapid_t snap_id) +{ + bufferlist bl; + encode(snap_id, bl); + op->exec("rbd", "get_snapshot_timestamp", bl); +} + +int get_snapshot_timestamp_finish(bufferlist::const_iterator *it, + utime_t *timestamp) +{ + try { + decode(*timestamp, *it); + } catch (const buffer::error &err) { + return -EBADMSG; + } + return 0; +} + +int get_snapshot_timestamp(librados::IoCtx *ioctx, const std::string &oid, + snapid_t snap_id, utime_t *timestamp) +{ + librados::ObjectReadOperation op; + get_snapshot_timestamp_start(&op, snap_id); + + bufferlist out_bl; + int r = ioctx->operate(oid, &op, &out_bl); + if (r < 0) { + return r; + } + + auto it = out_bl.cbegin(); + return get_snapshot_timestamp_finish(&it, timestamp); +} + +void old_snapshot_add(librados::ObjectWriteOperation *op, + snapid_t snap_id, const std::string &snap_name) +{ + bufferlist bl; + encode(snap_name, bl); + encode(snap_id, bl); + op->exec("rbd", "snap_add", bl); +} + +void old_snapshot_remove(librados::ObjectWriteOperation *op, + const std::string &snap_name) +{ + bufferlist bl; + encode(snap_name, bl); + op->exec("rbd", "snap_remove", bl); +} + +void old_snapshot_rename(librados::ObjectWriteOperation *op, + snapid_t src_snap_id, const std::string &dst_name) +{ + bufferlist bl; + encode(src_snap_id, bl); + encode(dst_name, bl); + op->exec("rbd", "snap_rename", bl); +} + +void old_snapshot_list_start(librados::ObjectReadOperation *op) { + bufferlist in_bl; + op->exec("rbd", "snap_list", in_bl); +} + +int old_snapshot_list_finish(bufferlist::const_iterator *it, + std::vector<string> *names, + std::vector<uint64_t> *sizes, + ::SnapContext *snapc) { + try { + uint32_t num_snaps; + decode(snapc->seq, *it); + decode(num_snaps, *it); + + names->resize(num_snaps); + sizes->resize(num_snaps); + snapc->snaps.resize(num_snaps); + for (uint32_t i = 0; i < num_snaps; ++i) { + decode(snapc->snaps[i], *it); + decode((*sizes)[i], *it); + decode((*names)[i], *it); + } + } catch (const buffer::error &err) { + return -EBADMSG; + } + return 0; +} + +int old_snapshot_list(librados::IoCtx *ioctx, const std::string &oid, + std::vector<string> *names, + std::vector<uint64_t> *sizes, + ::SnapContext *snapc) +{ + librados::ObjectReadOperation op; + old_snapshot_list_start(&op); + + bufferlist out_bl; + int r = ioctx->operate(oid, &op, &out_bl); + if (r < 0) { + return r; + } + + auto it = out_bl.cbegin(); + return old_snapshot_list_finish(&it, names, sizes, snapc); +} + +void get_all_features_start(librados::ObjectReadOperation *op) { + bufferlist in; + op->exec("rbd", "get_all_features", in); +} + +int get_all_features_finish(bufferlist::const_iterator *it, + uint64_t *all_features) { + try { + decode(*all_features, *it); + } catch (const buffer::error &err) { + return -EBADMSG; + } + return 0; +} + +int get_all_features(librados::IoCtx *ioctx, const std::string &oid, + uint64_t *all_features) { + librados::ObjectReadOperation op; + get_all_features_start(&op); + + bufferlist out_bl; + int r = ioctx->operate(oid, &op, &out_bl); + if (r < 0) { + return r; + } + + auto it = out_bl.cbegin(); + return get_all_features_finish(&it, all_features); +} + +int copyup(librados::IoCtx *ioctx, const std::string &oid, + bufferlist data) { + bufferlist out; + return ioctx->exec(oid, "rbd", "copyup", data, out); +} + +void get_protection_status_start(librados::ObjectReadOperation *op, + snapid_t snap_id) +{ + bufferlist bl; + encode(snap_id, bl); + op->exec("rbd", "get_protection_status", bl); +} + +int get_protection_status_finish(bufferlist::const_iterator *it, + uint8_t *protection_status) +{ + try { + decode(*protection_status, *it); + } catch (const buffer::error &) { + return -EBADMSG; + } + return 0; +} + +int get_protection_status(librados::IoCtx *ioctx, const std::string &oid, + snapid_t snap_id, uint8_t *protection_status) +{ + librados::ObjectReadOperation op; + get_protection_status_start(&op, snap_id); + + bufferlist out_bl; + int r = ioctx->operate(oid, &op, &out_bl); + if (r < 0) { + return r; + } + + auto it = out_bl.cbegin(); + return get_protection_status_finish(&it, protection_status); +} + +int set_protection_status(librados::IoCtx *ioctx, const std::string &oid, + snapid_t snap_id, uint8_t protection_status) +{ + // TODO remove + librados::ObjectWriteOperation op; + set_protection_status(&op, snap_id, protection_status); + return ioctx->operate(oid, &op); +} + +void set_protection_status(librados::ObjectWriteOperation *op, + snapid_t snap_id, uint8_t protection_status) +{ + bufferlist in; + encode(snap_id, in); + encode(protection_status, in); + op->exec("rbd", "set_protection_status", in); +} + +int snapshot_get_limit(librados::IoCtx *ioctx, const std::string &oid, + uint64_t *limit) +{ + bufferlist in, out; + int r = ioctx->exec(oid, "rbd", "snapshot_get_limit", in, out); + + if (r < 0) { + return r; + } + + try { + auto iter = out.cbegin(); + decode(*limit, iter); + } catch (const buffer::error &err) { + return -EBADMSG; + } + + return 0; +} + +void snapshot_set_limit(librados::ObjectWriteOperation *op, uint64_t limit) +{ + bufferlist in; + encode(limit, in); + op->exec("rbd", "snapshot_set_limit", in); +} + +void get_stripe_unit_count_start(librados::ObjectReadOperation *op) { + bufferlist empty_bl; + op->exec("rbd", "get_stripe_unit_count", empty_bl); +} + +int get_stripe_unit_count_finish(bufferlist::const_iterator *it, + uint64_t *stripe_unit, + uint64_t *stripe_count) { + ceph_assert(stripe_unit); + ceph_assert(stripe_count); + + try { + decode(*stripe_unit, *it); + decode(*stripe_count, *it); + } catch (const buffer::error &err) { + return -EBADMSG; + } + return 0; +} + +int get_stripe_unit_count(librados::IoCtx *ioctx, const std::string &oid, + uint64_t *stripe_unit, uint64_t *stripe_count) +{ + librados::ObjectReadOperation op; + get_stripe_unit_count_start(&op); + + bufferlist out_bl; + int r = ioctx->operate(oid, &op, &out_bl); + if (r < 0) { + return r; + } + + auto it = out_bl.cbegin(); + return get_stripe_unit_count_finish(&it, stripe_unit, stripe_count); +} + +void set_stripe_unit_count(librados::ObjectWriteOperation *op, + uint64_t stripe_unit, uint64_t stripe_count) +{ + bufferlist bl; + encode(stripe_unit, bl); + encode(stripe_count, bl); + + op->exec("rbd", "set_stripe_unit_count", bl); +} + +int set_stripe_unit_count(librados::IoCtx *ioctx, const std::string &oid, + uint64_t stripe_unit, uint64_t stripe_count) +{ + librados::ObjectWriteOperation op; + set_stripe_unit_count(&op, stripe_unit, stripe_count); + + return ioctx->operate(oid, &op); +} + +void get_create_timestamp_start(librados::ObjectReadOperation *op) { + bufferlist empty_bl; + op->exec("rbd", "get_create_timestamp", empty_bl); +} + +int get_create_timestamp_finish(bufferlist::const_iterator *it, + utime_t *timestamp) { + ceph_assert(timestamp); + + try { + decode(*timestamp, *it); + } catch (const buffer::error &err) { + return -EBADMSG; + } + return 0; +} + +int get_create_timestamp(librados::IoCtx *ioctx, const std::string &oid, + utime_t *timestamp) +{ + librados::ObjectReadOperation op; + get_create_timestamp_start(&op); + + bufferlist out_bl; + int r = ioctx->operate(oid, &op, &out_bl); + if (r < 0) { + return r; + } + + auto it = out_bl.cbegin(); + return get_create_timestamp_finish(&it, timestamp); +} + +void get_access_timestamp_start(librados::ObjectReadOperation *op) { + bufferlist empty_bl; + op->exec("rbd", "get_access_timestamp", empty_bl); +} + +int get_access_timestamp_finish(bufferlist::const_iterator *it, + utime_t *timestamp) { + ceph_assert(timestamp); + + try { + decode(*timestamp, *it); + } catch (const buffer::error &err) { + return -EBADMSG; + } + return 0; +} + +int get_access_timestamp(librados::IoCtx *ioctx, const std::string &oid, + utime_t *timestamp) +{ + librados::ObjectReadOperation op; + get_access_timestamp_start(&op); + + bufferlist out_bl; + int r = ioctx->operate(oid, &op, &out_bl); + if (r < 0) { + return r; + } + + auto it = out_bl.cbegin(); + return get_access_timestamp_finish(&it, timestamp); +} + +void set_access_timestamp(librados::ObjectWriteOperation *op) +{ + bufferlist empty_bl; + op->exec("rbd","set_access_timestamp",empty_bl); +} + +int set_access_timestamp(librados::IoCtx *ioctx, const std::string &oid) +{ + librados::ObjectWriteOperation op; + set_access_timestamp(&op); + return ioctx->operate(oid, &op); +} + +void get_modify_timestamp_start(librados::ObjectReadOperation *op) { + bufferlist empty_bl; + op->exec("rbd", "get_modify_timestamp", empty_bl); +} + +int get_modify_timestamp_finish(bufferlist::const_iterator *it, + utime_t *timestamp) { + ceph_assert(timestamp); + + try { + decode(*timestamp, *it); + } catch (const buffer::error &err) { + return -EBADMSG; + } + return 0; +} + +int get_modify_timestamp(librados::IoCtx *ioctx, const std::string &oid, + utime_t *timestamp) +{ + librados::ObjectReadOperation op; + get_modify_timestamp_start(&op); + + bufferlist out_bl; + int r = ioctx->operate(oid, &op, &out_bl); + if (r < 0) { + return r; + } + + auto it = out_bl.cbegin(); + return get_modify_timestamp_finish(&it, timestamp); +} + +void set_modify_timestamp(librados::ObjectWriteOperation *op) +{ + bufferlist empty_bl; + op->exec("rbd","set_modify_timestamp",empty_bl); +} + +int set_modify_timestamp(librados::IoCtx *ioctx, const std::string &oid) +{ + librados::ObjectWriteOperation op; + set_modify_timestamp(&op); + return ioctx->operate(oid, &op); +} + + +/************************ rbd_id object methods ************************/ + +void get_id_start(librados::ObjectReadOperation *op) { + bufferlist empty_bl; + op->exec("rbd", "get_id", empty_bl); +} + +int get_id_finish(bufferlist::const_iterator *it, std::string *id) { + try { + decode(*id, *it); + } catch (const buffer::error &err) { + return -EBADMSG; + } + return 0; +} + +int get_id(librados::IoCtx *ioctx, const std::string &oid, std::string *id) +{ + librados::ObjectReadOperation op; + get_id_start(&op); + + bufferlist out_bl; + int r = ioctx->operate(oid, &op, &out_bl); + if (r < 0) { + return r; + } + + auto it = out_bl.cbegin(); + return get_id_finish(&it, id); +} + +void set_id(librados::ObjectWriteOperation *op, const std::string &id) +{ + bufferlist bl; + encode(id, bl); + op->exec("rbd", "set_id", bl); +} + +int set_id(librados::IoCtx *ioctx, const std::string &oid, const std::string &id) +{ + librados::ObjectWriteOperation op; + set_id(&op, id); + + return ioctx->operate(oid, &op); +} + +/******************** rbd_directory object methods ********************/ + +void dir_get_id_start(librados::ObjectReadOperation *op, + const std::string &image_name) { + bufferlist bl; + encode(image_name, bl); + + op->exec("rbd", "dir_get_id", bl); +} + +int dir_get_id_finish(bufferlist::const_iterator *iter, std::string *image_id) { + try { + decode(*image_id, *iter); + } catch (const buffer::error &err) { + return -EBADMSG; + } + + return 0; +} + +int dir_get_id(librados::IoCtx *ioctx, const std::string &oid, + const std::string &name, std::string *id) { + librados::ObjectReadOperation op; + dir_get_id_start(&op, name); + + bufferlist out_bl; + int r = ioctx->operate(oid, &op, &out_bl); + if (r < 0) { + return r; + } + + auto iter = out_bl.cbegin(); + return dir_get_id_finish(&iter, id); +} + +void dir_get_name_start(librados::ObjectReadOperation *op, + const std::string &id) { + bufferlist in_bl; + encode(id, in_bl); + op->exec("rbd", "dir_get_name", in_bl); +} + +int dir_get_name_finish(bufferlist::const_iterator *it, std::string *name) { + try { + decode(*name, *it); + } catch (const buffer::error &err) { + return -EBADMSG; + } + return 0; +} + +int dir_get_name(librados::IoCtx *ioctx, const std::string &oid, + const std::string &id, std::string *name) { + librados::ObjectReadOperation op; + dir_get_name_start(&op, id); + + bufferlist out_bl; + int r = ioctx->operate(oid, &op, &out_bl); + if (r < 0) { + return r; + } + + auto it = out_bl.cbegin(); + return dir_get_name_finish(&it, name); +} + +void dir_list_start(librados::ObjectReadOperation *op, + const std::string &start, uint64_t max_return) +{ + bufferlist in_bl; + encode(start, in_bl); + encode(max_return, in_bl); + + op->exec("rbd", "dir_list", in_bl); +} + +int dir_list_finish(bufferlist::const_iterator *it, map<string, string> *images) +{ + try { + decode(*images, *it); + } catch (const buffer::error &err) { + return -EBADMSG; + } + return 0; +} + +int dir_list(librados::IoCtx *ioctx, const std::string &oid, + const std::string &start, uint64_t max_return, + map<string, string> *images) +{ + librados::ObjectReadOperation op; + dir_list_start(&op, start, max_return); + + bufferlist out_bl; + int r = ioctx->operate(oid, &op, &out_bl); + if (r < 0) { + return r; + } + + auto iter = out_bl.cbegin(); + return dir_list_finish(&iter, images); +} + +void dir_add_image(librados::ObjectWriteOperation *op, + const std::string &name, const std::string &id) +{ + bufferlist bl; + encode(name, bl); + encode(id, bl); + op->exec("rbd", "dir_add_image", bl); +} + +int dir_add_image(librados::IoCtx *ioctx, const std::string &oid, + const std::string &name, const std::string &id) +{ + librados::ObjectWriteOperation op; + dir_add_image(&op, name, id); + + return ioctx->operate(oid, &op); +} + +int dir_remove_image(librados::IoCtx *ioctx, const std::string &oid, + const std::string &name, const std::string &id) +{ + librados::ObjectWriteOperation op; + dir_remove_image(&op, name, id); + + return ioctx->operate(oid, &op); +} + +void dir_state_assert(librados::ObjectOperation *op, + cls::rbd::DirectoryState directory_state) +{ + bufferlist bl; + encode(directory_state, bl); + op->exec("rbd", "dir_state_assert", bl); +} + +int dir_state_assert(librados::IoCtx *ioctx, const std::string &oid, + cls::rbd::DirectoryState directory_state) +{ + librados::ObjectWriteOperation op; + dir_state_assert(&op, directory_state); + + return ioctx->operate(oid, &op); +} + +void dir_state_set(librados::ObjectWriteOperation *op, + cls::rbd::DirectoryState directory_state) +{ + bufferlist bl; + encode(directory_state, bl); + op->exec("rbd", "dir_state_set", bl); +} + +int dir_state_set(librados::IoCtx *ioctx, const std::string &oid, + cls::rbd::DirectoryState directory_state) +{ + librados::ObjectWriteOperation op; + dir_state_set(&op, directory_state); + + return ioctx->operate(oid, &op); +} + +void dir_remove_image(librados::ObjectWriteOperation *op, + const std::string &name, const std::string &id) +{ + bufferlist bl; + encode(name, bl); + encode(id, bl); + + op->exec("rbd", "dir_remove_image", bl); +} + +void dir_rename_image(librados::ObjectWriteOperation *op, + const std::string &src, const std::string &dest, + const std::string &id) +{ + bufferlist in; + encode(src, in); + encode(dest, in); + encode(id, in); + op->exec("rbd", "dir_rename_image", in); +} + +void object_map_load_start(librados::ObjectReadOperation *op) { + bufferlist in_bl; + op->exec("rbd", "object_map_load", in_bl); +} + +int object_map_load_finish(bufferlist::const_iterator *it, + ceph::BitVector<2> *object_map) { + try { + decode(*object_map, *it); + } catch (const buffer::error &err) { + return -EBADMSG; + } + return 0; +} + +int object_map_load(librados::IoCtx *ioctx, const std::string &oid, + ceph::BitVector<2> *object_map) +{ + librados::ObjectReadOperation op; + object_map_load_start(&op); + + bufferlist out_bl; + int r = ioctx->operate(oid, &op, &out_bl); + if (r < 0) { + return r; + } + + auto it = out_bl.cbegin(); + return object_map_load_finish(&it, object_map); +} + +void object_map_save(librados::ObjectWriteOperation *rados_op, + const ceph::BitVector<2> &object_map) +{ + ceph::BitVector<2> object_map_copy(object_map); + object_map_copy.set_crc_enabled(false); + + bufferlist in; + encode(object_map_copy, in); + rados_op->exec("rbd", "object_map_save", in); +} + +void object_map_resize(librados::ObjectWriteOperation *rados_op, + uint64_t object_count, uint8_t default_state) +{ + bufferlist in; + encode(object_count, in); + encode(default_state, in); + rados_op->exec("rbd", "object_map_resize", in); +} + +void object_map_update(librados::ObjectWriteOperation *rados_op, + uint64_t start_object_no, uint64_t end_object_no, + uint8_t new_object_state, + const boost::optional<uint8_t> ¤t_object_state) +{ + bufferlist in; + encode(start_object_no, in); + encode(end_object_no, in); + encode(new_object_state, in); + encode(current_object_state, in); + rados_op->exec("rbd", "object_map_update", in); +} + +void object_map_snap_add(librados::ObjectWriteOperation *rados_op) +{ + bufferlist in; + rados_op->exec("rbd", "object_map_snap_add", in); +} + +void object_map_snap_remove(librados::ObjectWriteOperation *rados_op, + const ceph::BitVector<2> &object_map) +{ + ceph::BitVector<2> object_map_copy(object_map); + object_map_copy.set_crc_enabled(false); + + bufferlist in; + encode(object_map_copy, in); + rados_op->exec("rbd", "object_map_snap_remove", in); +} + +void metadata_set(librados::ObjectWriteOperation *op, + const map<string, bufferlist> &data) +{ + bufferlist bl; + encode(data, bl); + + op->exec("rbd", "metadata_set", bl); +} + +int metadata_set(librados::IoCtx *ioctx, const std::string &oid, + const map<string, bufferlist> &data) +{ + librados::ObjectWriteOperation op; + metadata_set(&op, data); + + return ioctx->operate(oid, &op); +} + +void metadata_remove(librados::ObjectWriteOperation *op, + const std::string &key) +{ + bufferlist bl; + encode(key, bl); + + op->exec("rbd", "metadata_remove", bl); +} + +int metadata_remove(librados::IoCtx *ioctx, const std::string &oid, + const std::string &key) +{ + librados::ObjectWriteOperation op; + metadata_remove(&op, key); + + return ioctx->operate(oid, &op); +} + +int metadata_list(librados::IoCtx *ioctx, const std::string &oid, + const std::string &start, uint64_t max_return, + map<string, bufferlist> *pairs) +{ + librados::ObjectReadOperation op; + metadata_list_start(&op, start, max_return); + + bufferlist out_bl; + int r = ioctx->operate(oid, &op, &out_bl); + if (r < 0) { + return r; + } + + auto it = out_bl.cbegin(); + return metadata_list_finish(&it, pairs); +} + +void metadata_list_start(librados::ObjectReadOperation *op, + const std::string &start, uint64_t max_return) +{ + bufferlist in_bl; + encode(start, in_bl); + encode(max_return, in_bl); + op->exec("rbd", "metadata_list", in_bl); +} + +int metadata_list_finish(bufferlist::const_iterator *it, + std::map<std::string, bufferlist> *pairs) +{ + ceph_assert(pairs); + try { + decode(*pairs, *it); + } catch (const buffer::error &err) { + return -EBADMSG; + } + return 0; +} + +int metadata_get(librados::IoCtx *ioctx, const std::string &oid, + const std::string &key, string *s) +{ + ceph_assert(s); + bufferlist in, out; + encode(key, in); + int r = ioctx->exec(oid, "rbd", "metadata_get", in, out); + if (r < 0) + return r; + + auto iter = out.cbegin(); + try { + decode(*s, iter); + } catch (const buffer::error &err) { + return -EBADMSG; + } + + return 0; +} + +void child_attach(librados::ObjectWriteOperation *op, snapid_t snap_id, + const cls::rbd::ChildImageSpec& child_image) +{ + bufferlist bl; + encode(snap_id, bl); + encode(child_image, bl); + op->exec("rbd", "child_attach", bl); +} + +int child_attach(librados::IoCtx *ioctx, const std::string &oid, + snapid_t snap_id, + const cls::rbd::ChildImageSpec& child_image) +{ + librados::ObjectWriteOperation op; + child_attach(&op, snap_id, child_image); + + int r = ioctx->operate(oid, &op); + if (r < 0) { + return r; + } + return 0; +} + +void child_detach(librados::ObjectWriteOperation *op, snapid_t snap_id, + const cls::rbd::ChildImageSpec& child_image) +{ + bufferlist bl; + encode(snap_id, bl); + encode(child_image, bl); + op->exec("rbd", "child_detach", bl); +} + +int child_detach(librados::IoCtx *ioctx, const std::string &oid, + snapid_t snap_id, + const cls::rbd::ChildImageSpec& child_image) +{ + librados::ObjectWriteOperation op; + child_detach(&op, snap_id, child_image); + + int r = ioctx->operate(oid, &op); + if (r < 0) { + return r; + } + return 0; +} + +void children_list_start(librados::ObjectReadOperation *op, + snapid_t snap_id) +{ + bufferlist bl; + encode(snap_id, bl); + op->exec("rbd", "children_list", bl); +} + +int children_list_finish(bufferlist::const_iterator *it, + cls::rbd::ChildImageSpecs *child_images) +{ + child_images->clear(); + try { + decode(*child_images, *it); + } catch (const buffer::error &err) { + return -EBADMSG; + } + return 0; +} + +int children_list(librados::IoCtx *ioctx, const std::string &oid, + snapid_t snap_id, + cls::rbd::ChildImageSpecs *child_images) +{ + librados::ObjectReadOperation op; + children_list_start(&op, snap_id); + + bufferlist out_bl; + int r = ioctx->operate(oid, &op, &out_bl); + if (r < 0) { + return r; + } + + auto it = out_bl.cbegin(); + r = children_list_finish(&it, child_images); + if (r < 0) { + return r; + } + return 0; +} + +int migration_set(librados::IoCtx *ioctx, const std::string &oid, + const cls::rbd::MigrationSpec &migration_spec) { + librados::ObjectWriteOperation op; + migration_set(&op, migration_spec); + return ioctx->operate(oid, &op); +} + +void migration_set(librados::ObjectWriteOperation *op, + const cls::rbd::MigrationSpec &migration_spec) { + bufferlist bl; + encode(migration_spec, bl); + op->exec("rbd", "migration_set", bl); +} + +int migration_set_state(librados::IoCtx *ioctx, const std::string &oid, + cls::rbd::MigrationState state, + const std::string &description) { + librados::ObjectWriteOperation op; + migration_set_state(&op, state, description); + return ioctx->operate(oid, &op); +} + +void migration_set_state(librados::ObjectWriteOperation *op, + cls::rbd::MigrationState state, + const std::string &description) { + bufferlist bl; + encode(state, bl); + encode(description, bl); + op->exec("rbd", "migration_set_state", bl); +} + +void migration_get_start(librados::ObjectReadOperation *op) { + bufferlist bl; + op->exec("rbd", "migration_get", bl); +} + +int migration_get_finish(bufferlist::const_iterator *it, + cls::rbd::MigrationSpec *migration_spec) { + try { + decode(*migration_spec, *it); + } catch (const buffer::error &err) { + return -EBADMSG; + } + return 0; +} + +int migration_get(librados::IoCtx *ioctx, const std::string &oid, + cls::rbd::MigrationSpec *migration_spec) { + librados::ObjectReadOperation op; + migration_get_start(&op); + + bufferlist out_bl; + int r = ioctx->operate(oid, &op, &out_bl); + if (r < 0) { + return r; + } + + auto iter = out_bl.cbegin(); + r = migration_get_finish(&iter, migration_spec); + if (r < 0) { + return r; + } + return 0; +} + +int migration_remove(librados::IoCtx *ioctx, const std::string &oid) { + librados::ObjectWriteOperation op; + migration_remove(&op); + return ioctx->operate(oid, &op); +} + +void migration_remove(librados::ObjectWriteOperation *op) { + bufferlist bl; + op->exec("rbd", "migration_remove", bl); +} + +int assert_snapc_seq(librados::IoCtx *ioctx, const std::string &oid, + uint64_t snapc_seq, + cls::rbd::AssertSnapcSeqState state) { + librados::ObjectWriteOperation op; + assert_snapc_seq(&op, snapc_seq, state); + return ioctx->operate(oid, &op); +} + +void assert_snapc_seq(librados::ObjectWriteOperation *op, + uint64_t snapc_seq, + cls::rbd::AssertSnapcSeqState state) { + bufferlist bl; + encode(snapc_seq, bl); + encode(state, bl); + op->exec("rbd", "assert_snapc_seq", bl); +} + +void mirror_uuid_get_start(librados::ObjectReadOperation *op) { + bufferlist bl; + op->exec("rbd", "mirror_uuid_get", bl); +} + +int mirror_uuid_get_finish(bufferlist::const_iterator *it, + std::string *uuid) { + try { + decode(*uuid, *it); + } catch (const buffer::error &err) { + return -EBADMSG; + } + return 0; +} + +int mirror_uuid_get(librados::IoCtx *ioctx, std::string *uuid) { + librados::ObjectReadOperation op; + mirror_uuid_get_start(&op); + + bufferlist out_bl; + int r = ioctx->operate(RBD_MIRRORING, &op, &out_bl); + if (r < 0) { + return r; + } + + auto it = out_bl.cbegin(); + r = mirror_uuid_get_finish(&it, uuid); + if (r < 0) { + return r; + } + return 0; +} + +int mirror_uuid_set(librados::IoCtx *ioctx, const std::string &uuid) { + bufferlist in_bl; + encode(uuid, in_bl); + + bufferlist out_bl; + int r = ioctx->exec(RBD_MIRRORING, "rbd", "mirror_uuid_set", in_bl, + out_bl); + if (r < 0) { + return r; + } + return 0; +} + +void mirror_mode_get_start(librados::ObjectReadOperation *op) { + bufferlist bl; + op->exec("rbd", "mirror_mode_get", bl); +} + +int mirror_mode_get_finish(bufferlist::const_iterator *it, + cls::rbd::MirrorMode *mirror_mode) { + try { + uint32_t mirror_mode_decode; + decode(mirror_mode_decode, *it); + *mirror_mode = static_cast<cls::rbd::MirrorMode>(mirror_mode_decode); + } catch (const buffer::error &err) { + return -EBADMSG; + } + + return 0; +} + +int mirror_mode_get(librados::IoCtx *ioctx, + cls::rbd::MirrorMode *mirror_mode) { + librados::ObjectReadOperation op; + mirror_mode_get_start(&op); + + bufferlist out_bl; + int r = ioctx->operate(RBD_MIRRORING, &op, &out_bl); + if (r == -ENOENT) { + *mirror_mode = cls::rbd::MIRROR_MODE_DISABLED; + return 0; + } else if (r < 0) { + return r; + } + + auto it = out_bl.cbegin(); + r = mirror_mode_get_finish(&it, mirror_mode); + if (r < 0) { + return r; + } + return 0; +} + +int mirror_mode_set(librados::IoCtx *ioctx, + cls::rbd::MirrorMode mirror_mode) { + bufferlist in_bl; + encode(static_cast<uint32_t>(mirror_mode), in_bl); + + bufferlist out_bl; + int r = ioctx->exec(RBD_MIRRORING, "rbd", "mirror_mode_set", in_bl, + out_bl); + if (r < 0) { + return r; + } + return 0; +} + +int mirror_peer_list(librados::IoCtx *ioctx, + std::vector<cls::rbd::MirrorPeer> *peers) { + bufferlist in_bl; + bufferlist out_bl; + int r = ioctx->exec(RBD_MIRRORING, "rbd", "mirror_peer_list", in_bl, + out_bl); + if (r < 0) { + return r; + } + + peers->clear(); + try { + auto bl_it = out_bl.cbegin(); + decode(*peers, bl_it); + } catch (const buffer::error &err) { + return -EBADMSG; + } + return 0; +} + +int mirror_peer_add(librados::IoCtx *ioctx, const std::string &uuid, + const std::string &cluster_name, + const std::string &client_name) { + cls::rbd::MirrorPeer peer(uuid, cluster_name, client_name, -1); + bufferlist in_bl; + encode(peer, in_bl); + + bufferlist out_bl; + int r = ioctx->exec(RBD_MIRRORING, "rbd", "mirror_peer_add", in_bl, + out_bl); + if (r < 0) { + return r; + } + return 0; +} + +int mirror_peer_remove(librados::IoCtx *ioctx, + const std::string &uuid) { + bufferlist in_bl; + encode(uuid, in_bl); + + bufferlist out_bl; + int r = ioctx->exec(RBD_MIRRORING, "rbd", "mirror_peer_remove", in_bl, + out_bl); + if (r < 0) { + return r; + } + return 0; +} + +int mirror_peer_set_client(librados::IoCtx *ioctx, + const std::string &uuid, + const std::string &client_name) { + bufferlist in_bl; + encode(uuid, in_bl); + encode(client_name, in_bl); + + bufferlist out_bl; + int r = ioctx->exec(RBD_MIRRORING, "rbd", "mirror_peer_set_client", + in_bl, out_bl); + if (r < 0) { + return r; + } + return 0; +} + +int mirror_peer_set_cluster(librados::IoCtx *ioctx, + const std::string &uuid, + const std::string &cluster_name) { + bufferlist in_bl; + encode(uuid, in_bl); + encode(cluster_name, in_bl); + + bufferlist out_bl; + int r = ioctx->exec(RBD_MIRRORING, "rbd", "mirror_peer_set_cluster", + in_bl, out_bl); + if (r < 0) { + return r; + } + return 0; +} + +void mirror_image_list_start(librados::ObjectReadOperation *op, + const std::string &start, uint64_t max_return) +{ + bufferlist in_bl; + encode(start, in_bl); + encode(max_return, in_bl); + op->exec("rbd", "mirror_image_list", in_bl); +} + +int mirror_image_list_finish(bufferlist::const_iterator *it, + std::map<string, string> *mirror_image_ids) +{ + try { + decode(*mirror_image_ids, *it); + } catch (const buffer::error &err) { + return -EBADMSG; + } + return 0; +} + +int mirror_image_list(librados::IoCtx *ioctx, + const std::string &start, uint64_t max_return, + std::map<std::string, std::string> *mirror_image_ids) { + librados::ObjectReadOperation op; + mirror_image_list_start(&op, start, max_return); + + bufferlist out_bl; + int r = ioctx->operate(RBD_MIRRORING, &op, &out_bl); + if (r < 0) { + return r; + } + + auto bl_it = out_bl.cbegin(); + return mirror_image_list_finish(&bl_it, mirror_image_ids); +} + +void mirror_image_get_image_id_start(librados::ObjectReadOperation *op, + const std::string &global_image_id) { + bufferlist in_bl; + encode(global_image_id, in_bl); + op->exec( "rbd", "mirror_image_get_image_id", in_bl); +} + +int mirror_image_get_image_id_finish(bufferlist::const_iterator *it, + std::string *image_id) { + try { + decode(*image_id, *it); + } catch (const buffer::error &err) { + return -EBADMSG; + } + return 0; +} + +int mirror_image_get_image_id(librados::IoCtx *ioctx, + const std::string &global_image_id, + std::string *image_id) { + librados::ObjectReadOperation op; + mirror_image_get_image_id_start(&op, global_image_id); + + bufferlist out_bl; + int r = ioctx->operate(RBD_MIRRORING, &op, &out_bl); + if (r < 0) { + return r; + } + + auto it = out_bl.cbegin(); + return mirror_image_get_image_id_finish(&it, image_id); +} + +int mirror_image_get(librados::IoCtx *ioctx, const std::string &image_id, + cls::rbd::MirrorImage *mirror_image) { + librados::ObjectReadOperation op; + mirror_image_get_start(&op, image_id); + + bufferlist out_bl; + int r = ioctx->operate(RBD_MIRRORING, &op, &out_bl); + if (r < 0) { + return r; + } + + auto iter = out_bl.cbegin(); + r = mirror_image_get_finish(&iter, mirror_image); + if (r < 0) { + return r; + } + return 0; +} + +void mirror_image_get_start(librados::ObjectReadOperation *op, + const std::string &image_id) { + bufferlist in_bl; + encode(image_id, in_bl); + + op->exec("rbd", "mirror_image_get", in_bl); +} + +int mirror_image_get_finish(bufferlist::const_iterator *iter, + cls::rbd::MirrorImage *mirror_image) { + try { + decode(*mirror_image, *iter); + } catch (const buffer::error &err) { + return -EBADMSG; + } + return 0; +} + +void mirror_image_set(librados::ObjectWriteOperation *op, + const std::string &image_id, + const cls::rbd::MirrorImage &mirror_image) { + bufferlist bl; + encode(image_id, bl); + encode(mirror_image, bl); + + op->exec("rbd", "mirror_image_set", bl); +} + +int mirror_image_set(librados::IoCtx *ioctx, const std::string &image_id, + const cls::rbd::MirrorImage &mirror_image) { + librados::ObjectWriteOperation op; + mirror_image_set(&op, image_id, mirror_image); + + int r = ioctx->operate(RBD_MIRRORING, &op); + if (r < 0) { + return r; + } + return 0; +} + +void mirror_image_remove(librados::ObjectWriteOperation *op, + const std::string &image_id) { + bufferlist bl; + encode(image_id, bl); + + op->exec("rbd", "mirror_image_remove", bl); +} + +int mirror_image_remove(librados::IoCtx *ioctx, const std::string &image_id) { + librados::ObjectWriteOperation op; + mirror_image_remove(&op, image_id); + + int r = ioctx->operate(RBD_MIRRORING, &op); + if (r < 0) { + return r; + } + return 0; +} + +int mirror_image_status_set(librados::IoCtx *ioctx, + const std::string &global_image_id, + const cls::rbd::MirrorImageStatus &status) { + librados::ObjectWriteOperation op; + mirror_image_status_set(&op, global_image_id, status); + return ioctx->operate(RBD_MIRRORING, &op); +} + +void mirror_image_status_set(librados::ObjectWriteOperation *op, + const std::string &global_image_id, + const cls::rbd::MirrorImageStatus &status) { + bufferlist bl; + encode(global_image_id, bl); + encode(status, bl); + op->exec("rbd", "mirror_image_status_set", bl); +} + +int mirror_image_status_remove(librados::IoCtx *ioctx, + const std::string &global_image_id) { + librados::ObjectWriteOperation op; + mirror_image_status_remove(&op, global_image_id); + return ioctx->operate(RBD_MIRRORING, &op); +} + +void mirror_image_status_remove(librados::ObjectWriteOperation *op, + const std::string &global_image_id) { + bufferlist bl; + encode(global_image_id, bl); + op->exec("rbd", "mirror_image_status_remove", bl); +} + +int mirror_image_status_get(librados::IoCtx *ioctx, + const std::string &global_image_id, + cls::rbd::MirrorImageStatus *status) { + librados::ObjectReadOperation op; + mirror_image_status_get_start(&op, global_image_id); + + bufferlist out_bl; + int r = ioctx->operate(RBD_MIRRORING, &op, &out_bl); + if (r < 0) { + return r; + } + + auto iter = out_bl.cbegin(); + r = mirror_image_status_get_finish(&iter, status); + if (r < 0) { + return r; + } + return 0; +} + +void mirror_image_status_get_start(librados::ObjectReadOperation *op, + const std::string &global_image_id) { + bufferlist bl; + encode(global_image_id, bl); + op->exec("rbd", "mirror_image_status_get", bl); +} + +int mirror_image_status_get_finish(bufferlist::const_iterator *iter, + cls::rbd::MirrorImageStatus *status) { + try { + decode(*status, *iter); + } catch (const buffer::error &err) { + return -EBADMSG; + } + return 0; +} + +int mirror_image_status_list(librados::IoCtx *ioctx, + const std::string &start, uint64_t max_return, + std::map<std::string, cls::rbd::MirrorImage> *images, + std::map<std::string, cls::rbd::MirrorImageStatus> *statuses) { + librados::ObjectReadOperation op; + mirror_image_status_list_start(&op, start, max_return); + + bufferlist out_bl; + int r = ioctx->operate(RBD_MIRRORING, &op, &out_bl); + if (r < 0) { + return r; + } + + auto iter = out_bl.cbegin(); + r = mirror_image_status_list_finish(&iter, images, statuses); + if (r < 0) { + return r; + } + return 0; +} + +void mirror_image_status_list_start(librados::ObjectReadOperation *op, + const std::string &start, + uint64_t max_return) { + bufferlist bl; + encode(start, bl); + encode(max_return, bl); + op->exec("rbd", "mirror_image_status_list", bl); +} + +int mirror_image_status_list_finish(bufferlist::const_iterator *iter, + std::map<std::string, cls::rbd::MirrorImage> *images, + std::map<std::string, cls::rbd::MirrorImageStatus> *statuses) { + images->clear(); + statuses->clear(); + try { + decode(*images, *iter); + decode(*statuses, *iter); + } catch (const buffer::error &err) { + return -EBADMSG; + } + return 0; +} + +int mirror_image_status_get_summary(librados::IoCtx *ioctx, + std::map<cls::rbd::MirrorImageStatusState, int> *states) { + librados::ObjectReadOperation op; + mirror_image_status_get_summary_start(&op); + + bufferlist out_bl; + int r = ioctx->operate(RBD_MIRRORING, &op, &out_bl); + if (r < 0) { + return r; + } + + auto iter = out_bl.cbegin(); + r = mirror_image_status_get_summary_finish(&iter, states); + if (r < 0) { + return r; + } + return 0; +} + +void mirror_image_status_get_summary_start(librados::ObjectReadOperation *op) { + bufferlist bl; + op->exec("rbd", "mirror_image_status_get_summary", bl); +} + +int mirror_image_status_get_summary_finish(bufferlist::const_iterator *iter, + std::map<cls::rbd::MirrorImageStatusState, int> *states) { + try { + decode(*states, *iter); + } catch (const buffer::error &err) { + return -EBADMSG; + } + return 0; +} + +int mirror_image_status_remove_down(librados::IoCtx *ioctx) { + librados::ObjectWriteOperation op; + mirror_image_status_remove_down(&op); + return ioctx->operate(RBD_MIRRORING, &op); +} + +void mirror_image_status_remove_down(librados::ObjectWriteOperation *op) { + bufferlist bl; + op->exec("rbd", "mirror_image_status_remove_down", bl); +} + +int mirror_image_instance_get(librados::IoCtx *ioctx, + const std::string &global_image_id, + entity_inst_t *instance) { + librados::ObjectReadOperation op; + mirror_image_instance_get_start(&op, global_image_id); + + bufferlist out_bl; + int r = ioctx->operate(RBD_MIRRORING, &op, &out_bl); + if (r < 0) { + return r; + } + + auto iter = out_bl.cbegin(); + r = mirror_image_instance_get_finish(&iter, instance); + if (r < 0) { + return r; + } + return 0; +} + +void mirror_image_instance_get_start(librados::ObjectReadOperation *op, + const std::string &global_image_id) { + bufferlist bl; + encode(global_image_id, bl); + op->exec("rbd", "mirror_image_instance_get", bl); +} + +int mirror_image_instance_get_finish(bufferlist::const_iterator *iter, + entity_inst_t *instance) { + try { + decode(*instance, *iter); + } catch (const buffer::error &err) { + return -EBADMSG; + } + return 0; +} + +int mirror_image_instance_list( + librados::IoCtx *ioctx, const std::string &start, uint64_t max_return, + std::map<std::string, entity_inst_t> *instances) { + librados::ObjectReadOperation op; + mirror_image_instance_list_start(&op, start, max_return); + + bufferlist out_bl; + int r = ioctx->operate(RBD_MIRRORING, &op, &out_bl); + if (r < 0) { + return r; + } + + auto iter = out_bl.cbegin(); + r = mirror_image_instance_list_finish(&iter, instances); + if (r < 0) { + return r; + } + return 0; +} + +void mirror_image_instance_list_start(librados::ObjectReadOperation *op, + const std::string &start, + uint64_t max_return) { + bufferlist bl; + encode(start, bl); + encode(max_return, bl); + op->exec("rbd", "mirror_image_instance_list", bl); +} + +int mirror_image_instance_list_finish( + bufferlist::const_iterator *iter, + std::map<std::string, entity_inst_t> *instances) { + instances->clear(); + try { + decode(*instances, *iter); + } catch (const buffer::error &err) { + return -EBADMSG; + } + return 0; +} + +void mirror_instances_list_start(librados::ObjectReadOperation *op) { + bufferlist bl; + op->exec("rbd", "mirror_instances_list", bl); +} + +int mirror_instances_list_finish(bufferlist::const_iterator *iter, + std::vector<std::string> *instance_ids) { + instance_ids->clear(); + try { + decode(*instance_ids, *iter); + } catch (const buffer::error &err) { + return -EBADMSG; + } + return 0; +} + +int mirror_instances_list(librados::IoCtx *ioctx, + std::vector<std::string> *instance_ids) { + librados::ObjectReadOperation op; + mirror_instances_list_start(&op); + + bufferlist out_bl; + int r = ioctx->operate(RBD_MIRROR_LEADER, &op, &out_bl); + if (r < 0) { + return r; + } + + auto iter = out_bl.cbegin(); + r = mirror_instances_list_finish(&iter, instance_ids); + if (r < 0) { + return r; + } + return 0; +} + +void mirror_instances_add(librados::ObjectWriteOperation *op, + const std::string &instance_id) { + bufferlist bl; + encode(instance_id, bl); + op->exec("rbd", "mirror_instances_add", bl); +} + +int mirror_instances_add(librados::IoCtx *ioctx, + const std::string &instance_id) { + librados::ObjectWriteOperation op; + mirror_instances_add(&op, instance_id); + return ioctx->operate(RBD_MIRROR_LEADER, &op); +} + +void mirror_instances_remove(librados::ObjectWriteOperation *op, + const std::string &instance_id) { + bufferlist bl; + encode(instance_id, bl); + op->exec("rbd", "mirror_instances_remove", bl); +} + +int mirror_instances_remove(librados::IoCtx *ioctx, + const std::string &instance_id) { + librados::ObjectWriteOperation op; + mirror_instances_remove(&op, instance_id); + return ioctx->operate(RBD_MIRROR_LEADER, &op); +} + +void mirror_image_map_list_start(librados::ObjectReadOperation *op, + const std::string &start_after, + uint64_t max_read) { + bufferlist bl; + encode(start_after, bl); + encode(max_read, bl); + + op->exec("rbd", "mirror_image_map_list", bl); +} + +int mirror_image_map_list_finish(bufferlist::const_iterator *iter, + std::map<std::string, cls::rbd::MirrorImageMap> *image_mapping) { + try { + decode(*image_mapping, *iter); + } catch (const buffer::error &err) { + return -EBADMSG; + } + return 0; +} + +int mirror_image_map_list( + librados::IoCtx *ioctx, const std::string &start_after, + uint64_t max_read, + std::map<std::string, cls::rbd::MirrorImageMap> *image_mapping) { + librados::ObjectReadOperation op; + mirror_image_map_list_start(&op, start_after, max_read); + + bufferlist out_bl; + int r = ioctx->operate(RBD_MIRRORING, &op, &out_bl); + if (r < 0) { + return r; + } + + auto iter = out_bl.cbegin(); + return mirror_image_map_list_finish(&iter, image_mapping); +} + +void mirror_image_map_update(librados::ObjectWriteOperation *op, + const std::string &global_image_id, + const cls::rbd::MirrorImageMap &image_map) { + bufferlist bl; + encode(global_image_id, bl); + encode(image_map, bl); + + op->exec("rbd", "mirror_image_map_update", bl); +} + +void mirror_image_map_remove(librados::ObjectWriteOperation *op, + const std::string &global_image_id) { + bufferlist bl; + encode(global_image_id, bl); + + op->exec("rbd", "mirror_image_map_remove", bl); +} + +// Groups functions +int group_dir_list(librados::IoCtx *ioctx, const std::string &oid, + const std::string &start, uint64_t max_return, + map<string, string> *cgs) +{ + bufferlist in, out; + encode(start, in); + encode(max_return, in); + int r = ioctx->exec(oid, "rbd", "group_dir_list", in, out); + if (r < 0) + return r; + + auto iter = out.cbegin(); + try { + decode(*cgs, iter); + } catch (const buffer::error &err) { + return -EBADMSG; + } + + return 0; +} + +int group_dir_add(librados::IoCtx *ioctx, const std::string &oid, + const std::string &name, const std::string &id) +{ + bufferlist in, out; + encode(name, in); + encode(id, in); + return ioctx->exec(oid, "rbd", "group_dir_add", in, out); +} + +int group_dir_rename(librados::IoCtx *ioctx, const std::string &oid, + const std::string &src, const std::string &dest, + const std::string &id) +{ + bufferlist in, out; + encode(src, in); + encode(dest, in); + encode(id, in); + return ioctx->exec(oid, "rbd", "group_dir_rename", in, out); +} + +int group_dir_remove(librados::IoCtx *ioctx, const std::string &oid, + const std::string &name, const std::string &id) +{ + bufferlist in, out; + encode(name, in); + encode(id, in); + return ioctx->exec(oid, "rbd", "group_dir_remove", in, out); +} + +int group_image_remove(librados::IoCtx *ioctx, const std::string &oid, + const cls::rbd::GroupImageSpec &spec) +{ + bufferlist bl, bl2; + encode(spec, bl); + + return ioctx->exec(oid, "rbd", "group_image_remove", bl, bl2); +} + +int group_image_list(librados::IoCtx *ioctx, + const std::string &oid, + const cls::rbd::GroupImageSpec &start, + uint64_t max_return, + std::vector<cls::rbd::GroupImageStatus> *images) +{ + bufferlist bl, bl2; + encode(start, bl); + encode(max_return, bl); + + int r = ioctx->exec(oid, "rbd", "group_image_list", bl, bl2); + if (r < 0) + return r; + + auto iter = bl2.cbegin(); + try { + decode(*images, iter); + } catch (const buffer::error &err) { + return -EBADMSG; + } + + return 0; +} + +int group_image_set(librados::IoCtx *ioctx, const std::string &oid, + const cls::rbd::GroupImageStatus &st) +{ + bufferlist bl, bl2; + encode(st, bl); + + return ioctx->exec(oid, "rbd", "group_image_set", bl, bl2); +} + +int image_group_add(librados::IoCtx *ioctx, const std::string &oid, + const cls::rbd::GroupSpec &group_spec) +{ + bufferlist bl, bl2; + encode(group_spec, bl); + + return ioctx->exec(oid, "rbd", "image_group_add", bl, bl2); +} + +int image_group_remove(librados::IoCtx *ioctx, const std::string &oid, + const cls::rbd::GroupSpec &group_spec) +{ + bufferlist bl, bl2; + encode(group_spec, bl); + + return ioctx->exec(oid, "rbd", "image_group_remove", bl, bl2); +} + +void image_group_get_start(librados::ObjectReadOperation *op) +{ + bufferlist in_bl; + op->exec("rbd", "image_group_get", in_bl); +} + +int image_group_get_finish(bufferlist::const_iterator *iter, + cls::rbd::GroupSpec *group_spec) +{ + try { + decode(*group_spec, *iter); + } catch (const buffer::error &err) { + return -EBADMSG; + } + return 0; +} + +int image_group_get(librados::IoCtx *ioctx, const std::string &oid, + cls::rbd::GroupSpec *group_spec) +{ + librados::ObjectReadOperation op; + image_group_get_start(&op); + + bufferlist out_bl; + int r = ioctx->operate(oid, &op, &out_bl); + if (r < 0) { + return r; + } + + auto iter = out_bl.cbegin(); + return image_group_get_finish(&iter, group_spec); +} + +int group_snap_set(librados::IoCtx *ioctx, const std::string &oid, + const cls::rbd::GroupSnapshot &snapshot) +{ + using ceph::encode; + bufferlist inbl, outbl; + encode(snapshot, inbl); + int r = ioctx->exec(oid, "rbd", "group_snap_set", inbl, outbl); + return r; +} + +int group_snap_remove(librados::IoCtx *ioctx, const std::string &oid, + const std::string &snap_id) +{ + using ceph::encode; + bufferlist inbl, outbl; + encode(snap_id, inbl); + return ioctx->exec(oid, "rbd", "group_snap_remove", inbl, outbl); +} + +int group_snap_get_by_id(librados::IoCtx *ioctx, const std::string &oid, + const std::string &snap_id, + cls::rbd::GroupSnapshot *snapshot) +{ + using ceph::encode; + using ceph::decode; + bufferlist inbl, outbl; + + encode(snap_id, inbl); + int r = ioctx->exec(oid, "rbd", "group_snap_get_by_id", inbl, outbl); + if (r < 0) { + return r; + } + + auto iter = outbl.cbegin(); + try { + decode(*snapshot, iter); + } catch (const buffer::error &err) { + return -EBADMSG; + } + + return 0; +} +int group_snap_list(librados::IoCtx *ioctx, const std::string &oid, + const cls::rbd::GroupSnapshot &start, + uint64_t max_return, + std::vector<cls::rbd::GroupSnapshot> *snapshots) +{ + using ceph::encode; + using ceph::decode; + bufferlist inbl, outbl; + encode(start, inbl); + encode(max_return, inbl); + + int r = ioctx->exec(oid, "rbd", "group_snap_list", inbl, outbl); + if (r < 0) { + return r; + } + auto iter = outbl.cbegin(); + try { + decode(*snapshots, iter); + } catch (const buffer::error &err) { + return -EBADMSG; + } + + return 0; +} + +// rbd_trash functions +void trash_add(librados::ObjectWriteOperation *op, + const std::string &id, + const cls::rbd::TrashImageSpec &trash_spec) +{ + bufferlist bl; + encode(id, bl); + encode(trash_spec, bl); + op->exec("rbd", "trash_add", bl); +} + +int trash_add(librados::IoCtx *ioctx, const std::string &id, + const cls::rbd::TrashImageSpec &trash_spec) +{ + librados::ObjectWriteOperation op; + trash_add(&op, id, trash_spec); + + return ioctx->operate(RBD_TRASH, &op); +} + +void trash_remove(librados::ObjectWriteOperation *op, + const std::string &id) +{ + bufferlist bl; + encode(id, bl); + op->exec("rbd", "trash_remove", bl); +} + +int trash_remove(librados::IoCtx *ioctx, const std::string &id) +{ + librados::ObjectWriteOperation op; + trash_remove(&op, id); + + return ioctx->operate(RBD_TRASH, &op); +} + +void trash_list_start(librados::ObjectReadOperation *op, + const std::string &start, uint64_t max_return) +{ + bufferlist bl; + encode(start, bl); + encode(max_return, bl); + op->exec("rbd", "trash_list", bl); +} + +int trash_list_finish(bufferlist::const_iterator *it, + map<string, cls::rbd::TrashImageSpec> *entries) +{ + ceph_assert(entries); + + try { + decode(*entries, *it); + } catch (const buffer::error &err) { + return -EBADMSG; + } + + return 0; +} + +int trash_list(librados::IoCtx *ioctx, + const std::string &start, uint64_t max_return, + map<string, cls::rbd::TrashImageSpec> *entries) +{ + librados::ObjectReadOperation op; + trash_list_start(&op, start, max_return); + + bufferlist out_bl; + int r = ioctx->operate(RBD_TRASH, &op, &out_bl); + if (r < 0) { + return r; + } + + auto iter = out_bl.cbegin(); + return trash_list_finish(&iter, entries); +} + +void trash_get_start(librados::ObjectReadOperation *op, + const std::string &id) +{ + bufferlist bl; + encode(id, bl); + op->exec("rbd", "trash_get", bl); +} + +int trash_get_finish(bufferlist::const_iterator *it, + cls::rbd::TrashImageSpec *trash_spec) { + ceph_assert(trash_spec); + try { + decode(*trash_spec, *it); + } catch (const buffer::error &err) { + return -EBADMSG; + } + + return 0; +} + +int trash_get(librados::IoCtx *ioctx, const std::string &id, + cls::rbd::TrashImageSpec *trash_spec) +{ + librados::ObjectReadOperation op; + trash_get_start(&op, id); + + bufferlist out_bl; + int r = ioctx->operate(RBD_TRASH, &op, &out_bl); + if (r < 0) { + return r; + } + + auto it = out_bl.cbegin(); + return trash_get_finish(&it, trash_spec); +} + +void trash_state_set(librados::ObjectWriteOperation *op, + const std::string &id, + const cls::rbd::TrashImageState &trash_state, + const cls::rbd::TrashImageState &expect_state) +{ + bufferlist bl; + encode(id, bl); + encode(trash_state, bl); + encode(expect_state, bl); + op->exec("rbd", "trash_state_set", bl); +} + +int trash_state_set(librados::IoCtx *ioctx, const std::string &id, + const cls::rbd::TrashImageState &trash_state, + const cls::rbd::TrashImageState &expect_state) +{ + librados::ObjectWriteOperation op; + trash_state_set(&op, id, trash_state, expect_state); + + return ioctx->operate(RBD_TRASH, &op); +} + +void namespace_add(librados::ObjectWriteOperation *op, + const std::string &name) +{ + bufferlist bl; + encode(name, bl); + op->exec("rbd", "namespace_add", bl); +} + +int namespace_add(librados::IoCtx *ioctx, const std::string &name) +{ + librados::ObjectWriteOperation op; + namespace_add(&op, name); + + return ioctx->operate(RBD_NAMESPACE, &op); +} + +void namespace_remove(librados::ObjectWriteOperation *op, + const std::string &name) +{ + bufferlist bl; + encode(name, bl); + op->exec("rbd", "namespace_remove", bl); +} + +int namespace_remove(librados::IoCtx *ioctx, const std::string &name) +{ + librados::ObjectWriteOperation op; + namespace_remove(&op, name); + + return ioctx->operate(RBD_NAMESPACE, &op); +} + +void namespace_list_start(librados::ObjectReadOperation *op, + const std::string &start, uint64_t max_return) +{ + bufferlist bl; + encode(start, bl); + encode(max_return, bl); + op->exec("rbd", "namespace_list", bl); +} + +int namespace_list_finish(bufferlist::const_iterator *it, + std::list<std::string> *entries) +{ + ceph_assert(entries); + + try { + decode(*entries, *it); + } catch (const buffer::error &err) { + return -EBADMSG; + } + + return 0; +} + +int namespace_list(librados::IoCtx *ioctx, + const std::string &start, uint64_t max_return, + std::list<std::string> *entries) +{ + librados::ObjectReadOperation op; + namespace_list_start(&op, start, max_return); + + bufferlist out_bl; + int r = ioctx->operate(RBD_NAMESPACE, &op, &out_bl); + if (r < 0) { + return r; + } + + auto iter = out_bl.cbegin(); + return namespace_list_finish(&iter, entries); +} + +void sparsify(librados::ObjectWriteOperation *op, size_t sparse_size, + bool remove_empty) +{ + bufferlist bl; + encode(sparse_size, bl); + encode(remove_empty, bl); + op->exec("rbd", "sparsify", bl); +} + +int sparsify(librados::IoCtx *ioctx, const std::string &oid, size_t sparse_size, + bool remove_empty) +{ + librados::ObjectWriteOperation op; + sparsify(&op, sparse_size, remove_empty); + + return ioctx->operate(oid, &op); +} + +} // namespace cls_client +} // namespace librbd |