// Copyright 2017 LambdaStack All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

// Portions from Chris Holcombe
// The MIT License (MIT)
//
// Copyright (c) 2015 Chris Holcombe
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.

#![allow(non_camel_case_types)]
#![allow(unused_imports)]

extern crate libc;

use self::libc::{int64_t, size_t, ssize_t, time_t, timeval, uint32_t, uint64_t, uint8_t};

bitflags! {
    pub flags AllocFlags: u32 {
        const LIBRADOS_OP_FLAG_EXCL = 1,
        const LIBRADOS_OP_FLAG_FAILOK = 2,
        const LIBRADOS_OP_FLAG_FADVISE_RANDOM = 4,
        const LIBRADOS_OP_FLAG_FADVISE_SEQUENTIAL = 8,
        const LIBRADOS_OP_FLAG_FADVISE_WILLNEED = 16,
        const LIBRADOS_OP_FLAG_FADVISE_DONTNEED = 32,
        const LIBRADOS_OP_FLAG_FADVISE_NOCACHE = 64,
    }
}
impl AllocFlags {
    pub fn clear(&mut self) {
        self.bits = 0;  // The `bits` field can be accessed from within the
                        // same module where the `bitflags!` macro was invoked.
    }
}

bitflags! {
    pub flags XattrFlags: u32 {
        const LIBRADOS_CMPXATTR_OP_EQ = 1,
        const LIBRADOS_CMPXATTR_OP_NE = 2,
        const LIBRADOS_CMPXATTR_OP_GT = 3,
        const LIBRADOS_CMPXATTR_OP_GTE = 4,
        const LIBRADOS_CMPXATTR_OP_LT = 5,
        const LIBRADOS_CMPXATTR_OP_LTE = 6,
    }
}
impl XattrFlags {
    pub fn clear(&mut self) {
        self.bits = 0;  // The `bits` field can be accessed from within the
                        // same module where the `bitflags!` macro was invoked.
    }
}

// Flags for rados_read_op_operate(), rados_write_op_operate(), rados_aio_read_op_operate(),
// and rados_aio_write_op_operate()
bitflags! {
    pub flags OperationFlags: u32 {
        const LIBRADOS_OPERATION_NOFLAG= 0,
        const LIBRADOS_OPERATION_BALANCE_READS= 1,
        const LIBRADOS_OPERATION_LOCALIZE_READS= 2,
        const LIBRADOS_OPERATION_ORDER_READS_WRITES= 4,
        const LIBRADOS_OPERATION_IGNORE_CACHE= 8,
        const LIBRADOS_OPERATION_SKIPRWLOCKS= 16,
        const LIBRADOS_OPERATION_IGNORE_OVERLAY= 32,
    }
}

impl OperationFlags {
    pub fn clear(&mut self) {
        self.bits = 0;  // The `bits` field can be accessed from within the
                        // same module where the `bitflags!` macro was invoked.
    }
}

pub type rados_t = *mut ::libc::c_void;
pub type rados_config_t = *mut ::libc::c_void;
pub type rados_ioctx_t = *mut ::libc::c_void;
pub type rados_list_ctx_t = *mut ::libc::c_void;
pub type rados_snap_t = uint64_t;
pub type rados_xattrs_iter_t = *mut ::libc::c_void;
pub type rados_omap_iter_t = *mut ::libc::c_void;

#[repr(C)]
#[derive(Copy, Debug)]
pub struct Struct_rados_pool_stat_t {
    pub num_bytes: uint64_t,
    pub num_kb: uint64_t,
    pub num_objects: uint64_t,
    pub num_object_clones: uint64_t,
    pub num_object_copies: uint64_t,
    pub num_objects_missing_on_primary: uint64_t,
    pub num_objects_unfound: uint64_t,
    pub num_objects_degraded: uint64_t,
    pub num_rd: uint64_t,
    pub num_rd_kb: uint64_t,
    pub num_wr: uint64_t,
    pub num_wr_kb: uint64_t,
}

impl ::std::clone::Clone for Struct_rados_pool_stat_t {
    fn clone(&self) -> Self {
        *self
    }
}

impl ::std::default::Default for Struct_rados_pool_stat_t {
    fn default() -> Self {
        unsafe { ::std::mem::zeroed() }
    }
}

#[repr(C)]
#[derive(Copy,Debug)]
pub struct Struct_rados_cluster_stat_t {
    pub kb: uint64_t,
    pub kb_used: uint64_t,
    pub kb_avail: uint64_t,
    pub num_objects: uint64_t,
}

impl ::std::clone::Clone for Struct_rados_cluster_stat_t {
    fn clone(&self) -> Self {
        *self
    }
}

impl ::std::default::Default for Struct_rados_cluster_stat_t {
    fn default() -> Self {
        unsafe { ::std::mem::zeroed() }
    }
}

pub type rados_write_op_t = *mut ::libc::c_void;

pub type rados_read_op_t = *mut ::libc::c_void;

pub type rados_completion_t = *mut ::libc::c_void;

pub type rados_callback_t = ::std::option::Option<extern "C" fn(cb: rados_completion_t, arg: *mut ::libc::c_void)
                                                                  -> ()>;

pub type rados_watchcb_t = ::std::option::Option<extern "C" fn(opcode: uint8_t,
                                                                 ver: uint64_t,
                                                                 arg: *mut ::libc::c_void)
                                                                 -> ()>;

pub type rados_watchcb2_t = ::std::option::Option<extern "C" fn(arg: *mut ::libc::c_void,
                                                                  notify_id: uint64_t,
                                                                  handle: uint64_t,
                                                                  notifier_id: uint64_t,
                                                                  data: *mut ::libc::c_void,
                                                                  data_len: size_t)
                                                                  -> ()>;

pub type rados_watcherrcb_t = ::std::option::Option<extern "C" fn(pre: *mut ::libc::c_void,
                                                                    cookie: uint64_t,
                                                                    err: ::libc::c_int)
                                                                    -> ()>;

pub type rados_log_callback_t = ::std::option::Option<extern "C" fn(arg: *mut ::libc::c_void,
                                                                      line: *const ::libc::c_char,
                                                                      who: *const ::libc::c_char,
                                                                      sec: uint64_t,
                                                                      nsec: uint64_t,
                                                                      seq: uint64_t,
                                                                      level: *const ::libc::c_char,
                                                                      msg: *const ::libc::c_char)
                                                                      -> ()>;

#[cfg(target_os = "linux")]
#[link(name = "rados", kind="dylib")]
extern "C" {
    pub fn rados_version(major: *mut ::libc::c_int, minor: *mut ::libc::c_int, extra: *mut ::libc::c_int) -> ();

    pub fn rados_create(cluster: *mut rados_t, id: *const ::libc::c_char) -> ::libc::c_int;

    pub fn rados_create2(pcluster: *mut rados_t, clustername: *const ::libc::c_char, name: *const ::libc::c_char,
                         flags: uint64_t)
                         -> ::libc::c_int;

    pub fn rados_create_with_context(cluster: *mut rados_t, cct: rados_config_t) -> ::libc::c_int;

    pub fn rados_ping_monitor(cluster: rados_t, mon_id: *const ::libc::c_char, outstr: *mut *mut ::libc::c_char,
                              outstrlen: *mut size_t)
                              -> ::libc::c_int;

    pub fn rados_connect(cluster: rados_t) -> ::libc::c_int;

    pub fn rados_shutdown(cluster: rados_t) -> ();

    pub fn rados_conf_read_file(cluster: rados_t, path: *const ::libc::c_char) -> ::libc::c_int;

    pub fn rados_conf_parse_argv(cluster: rados_t, argc: ::libc::c_int, argv: *mut *const ::libc::c_char)
                                 -> ::libc::c_int;

    pub fn rados_conf_parse_argv_remainder(cluster: rados_t, argc: ::libc::c_int, argv: *mut *const ::libc::c_char,
                                           remargv: *mut *const ::libc::c_char)
                                           -> ::libc::c_int;

    pub fn rados_conf_parse_env(cluster: rados_t, var: *const ::libc::c_char) -> ::libc::c_int;

    pub fn rados_conf_set(cluster: rados_t, option: *const ::libc::c_char, value: *const ::libc::c_char)
                          -> ::libc::c_int;

    pub fn rados_conf_get(cluster: rados_t, option: *const ::libc::c_char, buf: *mut ::libc::c_char, len: size_t)
                          -> ::libc::c_int;

    pub fn rados_cluster_stat(cluster: rados_t, result: *mut Struct_rados_cluster_stat_t) -> ::libc::c_int;

    /// The Ceph documentation states that the return value of 0 means success but actually
    /// a value < 0 is an error and a value > 0 is the length which should be 36.
    ///
    pub fn rados_cluster_fsid(cluster: rados_t, buf: *mut ::libc::c_char, len: size_t) -> ::libc::c_int;

    pub fn rados_wait_for_latest_osdmap(cluster: rados_t) -> ::libc::c_int;

    pub fn rados_pool_list(cluster: rados_t, buf: *mut ::libc::c_char, len: size_t) -> ::libc::c_int;

    pub fn rados_cct(cluster: rados_t) -> rados_config_t;

    pub fn rados_get_instance_id(cluster: rados_t) -> uint64_t;

    pub fn rados_ioctx_create(cluster: rados_t, pool_name: *const ::libc::c_char, ioctx: *mut rados_ioctx_t)
                              -> ::libc::c_int;

    pub fn rados_ioctx_create2(cluster: rados_t, pool_id: int64_t, ioctx: *mut rados_ioctx_t) -> ::libc::c_int;

    pub fn rados_ioctx_destroy(io: rados_ioctx_t) -> ();

    pub fn rados_ioctx_cct(io: rados_ioctx_t) -> rados_config_t;

    pub fn rados_ioctx_get_cluster(io: rados_ioctx_t) -> rados_t;

    pub fn rados_ioctx_pool_stat(io: rados_ioctx_t, stats: *mut Struct_rados_pool_stat_t) -> ::libc::c_int;

    pub fn rados_pool_lookup(cluster: rados_t, pool_name: *const ::libc::c_char) -> int64_t;

    pub fn rados_pool_reverse_lookup(cluster: rados_t, id: int64_t, buf: *mut ::libc::c_char, maxlen: size_t)
                                     -> ::libc::c_int;

    /// Returns -17 if pool already exists.
    pub fn rados_pool_create(cluster: rados_t, pool_name: *const ::libc::c_char) -> ::libc::c_int;

    pub fn rados_pool_create_with_auid(cluster: rados_t, pool_name: *const ::libc::c_char, auid: uint64_t)
                                       -> ::libc::c_int;

    pub fn rados_pool_create_with_crush_rule(cluster: rados_t, pool_name: *const ::libc::c_char,
                                             crush_rule_num: uint8_t)
                                             -> ::libc::c_int;

    pub fn rados_pool_create_with_all(cluster: rados_t, pool_name: *const ::libc::c_char, auid: uint64_t,
                                      crush_rule_num: uint8_t)
                                      -> ::libc::c_int;

    pub fn rados_pool_get_base_tier(cluster: rados_t, pool: int64_t, base_tier: *mut int64_t) -> ::libc::c_int;

    pub fn rados_pool_delete(cluster: rados_t, pool_name: *const ::libc::c_char) -> ::libc::c_int;

    pub fn rados_ioctx_pool_set_auid(io: rados_ioctx_t, auid: uint64_t) -> ::libc::c_int;

    pub fn rados_ioctx_pool_get_auid(io: rados_ioctx_t, auid: *mut uint64_t) -> ::libc::c_int;

    pub fn rados_ioctx_pool_requires_alignment(io: rados_ioctx_t) -> ::libc::c_int;

    pub fn rados_ioctx_pool_required_alignment(io: rados_ioctx_t) -> uint64_t;

    pub fn rados_ioctx_get_id(io: rados_ioctx_t) -> int64_t;

    pub fn rados_ioctx_get_pool_name(io: rados_ioctx_t, buf: *mut ::libc::c_char, maxlen: ::libc::c_uint)
                                     -> ::libc::c_int;

    pub fn rados_ioctx_locator_set_key(io: rados_ioctx_t, key: *const ::libc::c_char) -> ();

    pub fn rados_ioctx_set_namespace(io: rados_ioctx_t, nspace: *const ::libc::c_char) -> ();

    pub fn rados_nobjects_list_open(io: rados_ioctx_t, ctx: *mut rados_list_ctx_t) -> ::libc::c_int;

    pub fn rados_nobjects_list_get_pg_hash_position(ctx: rados_list_ctx_t) -> uint32_t;

    pub fn rados_nobjects_list_seek(ctx: rados_list_ctx_t, pos: uint32_t) -> uint32_t;

    pub fn rados_nobjects_list_next(ctx: rados_list_ctx_t, entry: *mut *mut *const ::libc::c_char,
                                    key: *mut *mut *const ::libc::c_char, nspace: *mut *mut *const ::libc::c_char)
                                    -> ::libc::c_int;

    pub fn rados_nobjects_list_close(ctx: rados_list_ctx_t) -> ();

    pub fn rados_objects_list_open(io: rados_ioctx_t, ctx: *mut rados_list_ctx_t) -> ::libc::c_int;

    pub fn rados_objects_list_get_pg_hash_position(ctx: rados_list_ctx_t) -> uint32_t;

    pub fn rados_objects_list_seek(ctx: rados_list_ctx_t, pos: uint32_t) -> uint32_t;

    pub fn rados_objects_list_next(ctx: rados_list_ctx_t, entry: *mut *const ::libc::c_char,
                                   key: *mut *const ::libc::c_char)
                                   -> ::libc::c_int;

    pub fn rados_objects_list_close(ctx: rados_list_ctx_t) -> ();

    pub fn rados_ioctx_snap_create(io: rados_ioctx_t, snapname: *const ::libc::c_char) -> ::libc::c_int;

    pub fn rados_ioctx_snap_remove(io: rados_ioctx_t, snapname: *const ::libc::c_char) -> ::libc::c_int;

    pub fn rados_ioctx_snap_rollback(io: rados_ioctx_t, oid: *const ::libc::c_char, snapname: *const ::libc::c_char)
                                     -> ::libc::c_int;
    // Deprecated: Use rados_ioctx_snap_rollback() instead
    pub fn rados_rollback(io: rados_ioctx_t, oid: *const ::libc::c_char, snapname: *const ::libc::c_char)
                          -> ::libc::c_int;

    pub fn rados_ioctx_snap_set_read(io: rados_ioctx_t, snap: rados_snap_t) -> ();

    pub fn rados_ioctx_selfmanaged_snap_create(io: rados_ioctx_t, snapid: *mut rados_snap_t) -> ::libc::c_int;

    pub fn rados_ioctx_selfmanaged_snap_remove(io: rados_ioctx_t, snapid: rados_snap_t) -> ::libc::c_int;

    pub fn rados_ioctx_selfmanaged_snap_rollback(io: rados_ioctx_t, oid: *const ::libc::c_char, snapid: rados_snap_t)
                                                 -> ::libc::c_int;

    pub fn rados_ioctx_selfmanaged_snap_set_write_ctx(io: rados_ioctx_t, seq: rados_snap_t, snaps: *mut rados_snap_t,
                                                      num_snaps: ::libc::c_int)
                                                      -> ::libc::c_int;

    pub fn rados_ioctx_snap_list(io: rados_ioctx_t, snaps: *mut rados_snap_t, maxlen: ::libc::c_int) -> ::libc::c_int;

    pub fn rados_ioctx_snap_lookup(io: rados_ioctx_t, name: *const ::libc::c_char, id: *mut rados_snap_t)
                                   -> ::libc::c_int;

    pub fn rados_ioctx_snap_get_name(io: rados_ioctx_t, id: rados_snap_t, name: *mut ::libc::c_char,
                                     maxlen: ::libc::c_int)
                                     -> ::libc::c_int;

    pub fn rados_ioctx_snap_get_stamp(io: rados_ioctx_t, id: rados_snap_t, t: *mut time_t) -> ::libc::c_int;

    pub fn rados_get_last_version(io: rados_ioctx_t) -> uint64_t;

    pub fn rados_write(io: rados_ioctx_t, oid: *const ::libc::c_char, buf: *const ::libc::c_char, len: size_t,
                       off: uint64_t)
                       -> ::libc::c_int;

    pub fn rados_write_full(io: rados_ioctx_t, oid: *const ::libc::c_char, buf: *const ::libc::c_char, len: size_t)
                            -> ::libc::c_int;

    pub fn rados_clone_range(io: rados_ioctx_t, dst: *const ::libc::c_char, dst_off: uint64_t,
                             src: *const ::libc::c_char, src_off: uint64_t, len: size_t)
                             -> ::libc::c_int;

    pub fn rados_append(io: rados_ioctx_t, oid: *const ::libc::c_char, buf: *const ::libc::c_char, len: size_t)
                        -> ::libc::c_int;

    pub fn rados_read(io: rados_ioctx_t, oid: *const ::libc::c_char, buf: *mut ::libc::c_char, len: size_t,
                      off: uint64_t)
                      -> ::libc::c_int;

    pub fn rados_remove(io: rados_ioctx_t, oid: *const ::libc::c_char) -> ::libc::c_int;

    pub fn rados_trunc(io: rados_ioctx_t, oid: *const ::libc::c_char, size: uint64_t) -> ::libc::c_int;

    pub fn rados_getxattr(io: rados_ioctx_t, o: *const ::libc::c_char, name: *const ::libc::c_char,
                          buf: *mut ::libc::c_char, len: size_t)
                          -> ::libc::c_int;

    pub fn rados_setxattr(io: rados_ioctx_t, o: *const ::libc::c_char, name: *const ::libc::c_char,
                          buf: *const ::libc::c_char, len: size_t)
                          -> ::libc::c_int;

    pub fn rados_rmxattr(io: rados_ioctx_t, o: *const ::libc::c_char, name: *const ::libc::c_char) -> ::libc::c_int;

    pub fn rados_getxattrs(io: rados_ioctx_t, oid: *const ::libc::c_char, iter: *mut rados_xattrs_iter_t)
                           -> ::libc::c_int;

    pub fn rados_getxattrs_next(iter: rados_xattrs_iter_t, name: *mut *const ::libc::c_char,
                                val: *mut *const ::libc::c_char, len: *mut size_t)
                                -> ::libc::c_int;

    pub fn rados_getxattrs_end(iter: rados_xattrs_iter_t) -> ();

    pub fn rados_omap_get_next(iter: rados_omap_iter_t, key: *mut *mut ::libc::c_char, val: *mut *mut ::libc::c_char,
                               len: *mut size_t)
                               -> ::libc::c_int;

    pub fn rados_omap_get_end(iter: rados_omap_iter_t) -> ();

    pub fn rados_stat(io: rados_ioctx_t, o: *const ::libc::c_char, psize: *mut uint64_t, pmtime: *mut time_t)
                      -> ::libc::c_int;

    pub fn rados_tmap_update(io: rados_ioctx_t, o: *const ::libc::c_char, cmdbuf: *const ::libc::c_char,
                             cmdbuflen: size_t)
                             -> ::libc::c_int;

    pub fn rados_tmap_put(io: rados_ioctx_t, o: *const ::libc::c_char, buf: *const ::libc::c_char, buflen: size_t)
                          -> ::libc::c_int;

    pub fn rados_tmap_get(io: rados_ioctx_t, o: *const ::libc::c_char, buf: *mut ::libc::c_char, buflen: size_t)
                          -> ::libc::c_int;

    pub fn rados_exec(io: rados_ioctx_t, oid: *const ::libc::c_char, cls: *const ::libc::c_char,
                      method: *const ::libc::c_char, in_buf: *const ::libc::c_char, in_len: size_t,
                      buf: *mut ::libc::c_char, out_len: size_t)
                      -> ::libc::c_int;

    pub fn rados_aio_create_completion(cb_arg: *mut ::libc::c_void, cb_complete: rados_callback_t,
                                       cb_safe: rados_callback_t, pc: *mut rados_completion_t)
                                       -> ::libc::c_int;
    pub fn rados_aio_wait_for_complete(c: rados_completion_t) -> ::libc::c_int;
    pub fn rados_aio_wait_for_safe(c: rados_completion_t) -> ::libc::c_int;
    pub fn rados_aio_is_complete(c: rados_completion_t) -> ::libc::c_int;
    pub fn rados_aio_is_safe(c: rados_completion_t) -> ::libc::c_int;
    pub fn rados_aio_wait_for_complete_and_cb(c: rados_completion_t) -> ::libc::c_int;
    pub fn rados_aio_wait_for_safe_and_cb(c: rados_completion_t) -> ::libc::c_int;
    pub fn rados_aio_is_complete_and_cb(c: rados_completion_t) -> ::libc::c_int;
    pub fn rados_aio_is_safe_and_cb(c: rados_completion_t) -> ::libc::c_int;
    pub fn rados_aio_get_return_value(c: rados_completion_t) -> ::libc::c_int;
    pub fn rados_aio_release(c: rados_completion_t) -> ();
    pub fn rados_aio_write(io: rados_ioctx_t, oid: *const ::libc::c_char, completion: rados_completion_t,
                           buf: *const ::libc::c_char, len: size_t, off: uint64_t)
                           -> ::libc::c_int;
    pub fn rados_aio_append(io: rados_ioctx_t, oid: *const ::libc::c_char, completion: rados_completion_t,
                            buf: *const ::libc::c_char, len: size_t)
                            -> ::libc::c_int;
    pub fn rados_aio_write_full(io: rados_ioctx_t, oid: *const ::libc::c_char, completion: rados_completion_t,
                                buf: *const ::libc::c_char, len: size_t)
                                -> ::libc::c_int;
    pub fn rados_aio_remove(io: rados_ioctx_t, oid: *const ::libc::c_char, completion: rados_completion_t)
                            -> ::libc::c_int;
    pub fn rados_aio_read(io: rados_ioctx_t, oid: *const ::libc::c_char, completion: rados_completion_t,
                          buf: *mut ::libc::c_char, len: size_t, off: uint64_t)
                          -> ::libc::c_int;
    pub fn rados_aio_flush(io: rados_ioctx_t) -> ::libc::c_int;
    pub fn rados_aio_flush_async(io: rados_ioctx_t, completion: rados_completion_t) -> ::libc::c_int;
    pub fn rados_aio_stat(io: rados_ioctx_t, o: *const ::libc::c_char, completion: rados_completion_t,
                          psize: *mut uint64_t, pmtime: *mut time_t)
                          -> ::libc::c_int;
    pub fn rados_aio_cancel(io: rados_ioctx_t, completion: rados_completion_t) -> ::libc::c_int;
    pub fn rados_watch(io: rados_ioctx_t, o: *const ::libc::c_char, ver: uint64_t, cookie: *mut uint64_t,
                       watchcb: rados_watchcb_t, arg: *mut ::libc::c_void)
                       -> ::libc::c_int;
    pub fn rados_watch2(io: rados_ioctx_t, o: *const ::libc::c_char, cookie: *mut uint64_t,
                        watchcb: rados_watchcb2_t, watcherrcb: rados_watcherrcb_t, arg: *mut ::libc::c_void)
                        -> ::libc::c_int;
    pub fn rados_watch_check(io: rados_ioctx_t, cookie: uint64_t) -> ::libc::c_int;
    pub fn rados_unwatch(io: rados_ioctx_t, o: *const ::libc::c_char, cookie: uint64_t) -> ::libc::c_int;
    pub fn rados_unwatch2(io: rados_ioctx_t, cookie: uint64_t) -> ::libc::c_int;
    pub fn rados_notify(io: rados_ioctx_t, o: *const ::libc::c_char, ver: uint64_t, buf: *const ::libc::c_char,
                        buf_len: ::libc::c_int)
                        -> ::libc::c_int;
    pub fn rados_notify2(io: rados_ioctx_t, o: *const ::libc::c_char, buf: *const ::libc::c_char,
                         buf_len: ::libc::c_int, timeout_ms: uint64_t, reply_buffer: *mut *mut ::libc::c_char,
                         reply_buffer_len: *mut size_t)
                         -> ::libc::c_int;
    pub fn rados_notify_ack(io: rados_ioctx_t, o: *const ::libc::c_char, notify_id: uint64_t, cookie: uint64_t,
                            buf: *const ::libc::c_char, buf_len: ::libc::c_int)
                            -> ::libc::c_int;
    pub fn rados_watch_flush(cluster: rados_t) -> ::libc::c_int;
    pub fn rados_set_alloc_hint(io: rados_ioctx_t, o: *const ::libc::c_char, expected_object_size: uint64_t,
                                expected_write_size: uint64_t)
                                -> ::libc::c_int;
    pub fn rados_create_write_op() -> rados_write_op_t;
    pub fn rados_release_write_op(write_op: rados_write_op_t) -> ();
    pub fn rados_write_op_set_flags(write_op: rados_write_op_t, flags: ::libc::c_int) -> ();
    pub fn rados_write_op_assert_exists(write_op: rados_write_op_t) -> ();
    pub fn rados_write_op_assert_version(write_op: rados_write_op_t, ver: uint64_t) -> ();
    pub fn rados_write_op_cmpxattr(write_op: rados_write_op_t, name: *const ::libc::c_char,
                                   comparison_operator: uint8_t, value: *const ::libc::c_char, value_len: size_t)
                                   -> ();
    pub fn rados_write_op_omap_cmp(write_op: rados_write_op_t, key: *const ::libc::c_char,
                                   comparison_operator: uint8_t, val: *const ::libc::c_char, val_len: size_t,
                                   prval: *mut ::libc::c_int)
                                   -> ();
    pub fn rados_write_op_setxattr(write_op: rados_write_op_t, name: *const ::libc::c_char,
                                   value: *const ::libc::c_char, value_len: size_t)
                                   -> ();
    pub fn rados_write_op_rmxattr(write_op: rados_write_op_t, name: *const ::libc::c_char) -> ();
    pub fn rados_write_op_create(write_op: rados_write_op_t, exclusive: ::libc::c_int,
                                 category: *const ::libc::c_char)
                                 -> ();
    pub fn rados_write_op_write(write_op: rados_write_op_t, buffer: *const ::libc::c_char, len: size_t,
                                offset: uint64_t)
                                -> ();
    pub fn rados_write_op_write_full(write_op: rados_write_op_t, buffer: *const ::libc::c_char, len: size_t) -> ();
    pub fn rados_write_op_append(write_op: rados_write_op_t, buffer: *const ::libc::c_char, len: size_t) -> ();
    pub fn rados_write_op_remove(write_op: rados_write_op_t) -> ();
    pub fn rados_write_op_truncate(write_op: rados_write_op_t, offset: uint64_t) -> ();
    pub fn rados_write_op_zero(write_op: rados_write_op_t, offset: uint64_t, len: uint64_t) -> ();
    pub fn rados_write_op_exec(write_op: rados_write_op_t, cls: *const ::libc::c_char, method: *const ::libc::c_char,
                               in_buf: *const ::libc::c_char, in_len: size_t, prval: *mut ::libc::c_int)
                               -> ();
    pub fn rados_write_op_omap_set(write_op: rados_write_op_t, keys: *const *const ::libc::c_char,
                                   vals: *const *const ::libc::c_char, lens: *const size_t, num: size_t)
                                   -> ();
    pub fn rados_write_op_omap_rm_keys(write_op: rados_write_op_t, keys: *const *const ::libc::c_char,
                                       keys_len: size_t)
                                       -> ();
    pub fn rados_write_op_omap_clear(write_op: rados_write_op_t) -> ();
    pub fn rados_write_op_set_alloc_hint(write_op: rados_write_op_t, expected_object_size: uint64_t,
                                         expected_write_size: uint64_t)
                                         -> ();
    pub fn rados_write_op_operate(write_op: rados_write_op_t, io: rados_ioctx_t, oid: *const ::libc::c_char,
                                  mtime: *mut time_t, flags: ::libc::c_int)
                                  -> ::libc::c_int;
    pub fn rados_aio_write_op_operate(write_op: rados_write_op_t, io: rados_ioctx_t, completion: rados_completion_t,
                                      oid: *const ::libc::c_char, mtime: *mut time_t, flags: ::libc::c_int)
                                      -> ::libc::c_int;
    pub fn rados_create_read_op() -> rados_read_op_t;
    pub fn rados_release_read_op(read_op: rados_read_op_t) -> ();
    pub fn rados_read_op_set_flags(read_op: rados_read_op_t, flags: ::libc::c_int) -> ();
    pub fn rados_read_op_assert_exists(read_op: rados_read_op_t) -> ();
    pub fn rados_read_op_assert_version(write_op: rados_read_op_t, ver: uint64_t) -> ();
    pub fn rados_read_op_cmpxattr(read_op: rados_read_op_t, name: *const ::libc::c_char,
                                  comparison_operator: uint8_t, value: *const ::libc::c_char, value_len: size_t)
                                  -> ();
    pub fn rados_read_op_getxattrs(read_op: rados_read_op_t, iter: *mut rados_xattrs_iter_t,
                                   prval: *mut ::libc::c_int)
                                   -> ();
    pub fn rados_read_op_omap_cmp(read_op: rados_read_op_t, key: *const ::libc::c_char, comparison_operator: uint8_t,
                                  val: *const ::libc::c_char, val_len: size_t, prval: *mut ::libc::c_int)
                                  -> ();
    pub fn rados_read_op_stat(read_op: rados_read_op_t, psize: *mut uint64_t, pmtime: *mut time_t,
                              prval: *mut ::libc::c_int)
                              -> ();
    pub fn rados_read_op_read(read_op: rados_read_op_t, offset: uint64_t, len: size_t, buf: *mut ::libc::c_char,
                              bytes_read: *mut size_t, prval: *mut ::libc::c_int)
                              -> ();
    pub fn rados_read_op_exec(read_op: rados_read_op_t, cls: *const ::libc::c_char, method: *const ::libc::c_char,
                              in_buf: *const ::libc::c_char, in_len: size_t, out_buf: *mut *mut ::libc::c_char,
                              out_len: *mut size_t, prval: *mut ::libc::c_int)
                              -> ();
    pub fn rados_read_op_exec_user_buf(read_op: rados_read_op_t, cls: *const ::libc::c_char,
                                       method: *const ::libc::c_char, in_buf: *const ::libc::c_char, in_len: size_t,
                                       out_buf: *mut ::libc::c_char, out_len: size_t, used_len: *mut size_t,
                                       prval: *mut ::libc::c_int)
                                       -> ();
    pub fn rados_read_op_omap_get_vals(read_op: rados_read_op_t, start_after: *const ::libc::c_char,
                                       filter_prefix: *const ::libc::c_char, max_return: uint64_t,
                                       iter: *mut rados_omap_iter_t, prval: *mut ::libc::c_int)
                                       -> ();
    pub fn rados_read_op_omap_get_keys(read_op: rados_read_op_t, start_after: *const ::libc::c_char,
                                       max_return: uint64_t, iter: *mut rados_omap_iter_t, prval: *mut ::libc::c_int)
                                       -> ();
    pub fn rados_read_op_omap_get_vals_by_keys(read_op: rados_read_op_t, keys: *const *const ::libc::c_char,
                                               keys_len: size_t, iter: *mut rados_omap_iter_t,
                                               prval: *mut ::libc::c_int)
                                               -> ();
    pub fn rados_read_op_operate(read_op: rados_read_op_t, io: rados_ioctx_t, oid: *const ::libc::c_char,
                                 flags: ::libc::c_int)
                                 -> ::libc::c_int;
    pub fn rados_aio_read_op_operate(read_op: rados_read_op_t, io: rados_ioctx_t, completion: rados_completion_t,
                                     oid: *const ::libc::c_char, flags: ::libc::c_int)
                                     -> ::libc::c_int;
    pub fn rados_lock_exclusive(io: rados_ioctx_t, o: *const ::libc::c_char, name: *const ::libc::c_char,
                                cookie: *const ::libc::c_char, desc: *const ::libc::c_char, duration: *mut timeval,
                                flags: uint8_t)
                                -> ::libc::c_int;
    pub fn rados_lock_shared(io: rados_ioctx_t, o: *const ::libc::c_char, name: *const ::libc::c_char,
                             cookie: *const ::libc::c_char, tag: *const ::libc::c_char, desc: *const ::libc::c_char,
                             duration: *mut timeval, flags: uint8_t)
                             -> ::libc::c_int;
    pub fn rados_unlock(io: rados_ioctx_t, o: *const ::libc::c_char, name: *const ::libc::c_char,
                        cookie: *const ::libc::c_char)
                        -> ::libc::c_int;
    pub fn rados_list_lockers(io: rados_ioctx_t, o: *const ::libc::c_char, name: *const ::libc::c_char,
                              exclusive: *mut ::libc::c_int, tag: *mut ::libc::c_char, tag_len: *mut size_t,
                              clients: *mut ::libc::c_char, clients_len: *mut size_t, cookies: *mut ::libc::c_char,
                              cookies_len: *mut size_t, addrs: *mut ::libc::c_char, addrs_len: *mut size_t)
                              -> ssize_t;
    pub fn rados_break_lock(io: rados_ioctx_t, o: *const ::libc::c_char, name: *const ::libc::c_char,
                            client: *const ::libc::c_char, cookie: *const ::libc::c_char)
                            -> ::libc::c_int;
    pub fn rados_blacklist_add(cluster: rados_t, client_address: *mut ::libc::c_char, expire_seconds: uint32_t)
                               -> ::libc::c_int;
    pub fn rados_mon_command(cluster: rados_t, cmd: *mut *const ::libc::c_char, cmdlen: size_t,
                             inbuf: *const ::libc::c_char, inbuflen: size_t, outbuf: *mut *mut ::libc::c_char,
                             outbuflen: *mut size_t, outs: *mut *mut ::libc::c_char, outslen: *mut size_t)
                             -> ::libc::c_int;
    pub fn rados_mon_command_target(cluster: rados_t, name: *const ::libc::c_char, cmd: *mut *const ::libc::c_char,
                                    cmdlen: size_t, inbuf: *const ::libc::c_char, inbuflen: size_t,
                                    outbuf: *mut *mut ::libc::c_char, outbuflen: *mut size_t,
                                    outs: *mut *mut ::libc::c_char, outslen: *mut size_t)
                                    -> ::libc::c_int;
    pub fn rados_buffer_free(buf: *mut ::libc::c_char) -> ();
    pub fn rados_osd_command(cluster: rados_t, osdid: ::libc::c_int, cmd: *mut *const ::libc::c_char, cmdlen: size_t,
                             inbuf: *const ::libc::c_char, inbuflen: size_t, outbuf: *mut *mut ::libc::c_char,
                             outbuflen: *mut size_t, outs: *mut *mut ::libc::c_char, outslen: *mut size_t)
                             -> ::libc::c_int;
    pub fn rados_pg_command(cluster: rados_t, pgstr: *const ::libc::c_char, cmd: *mut *const ::libc::c_char,
                            cmdlen: size_t, inbuf: *const ::libc::c_char, inbuflen: size_t,
                            outbuf: *mut *mut ::libc::c_char, outbuflen: *mut size_t, outs: *mut *mut ::libc::c_char,
                            outslen: *mut size_t)
                            -> ::libc::c_int;
    pub fn rados_monitor_log(cluster: rados_t, level: *const ::libc::c_char, cb: rados_log_callback_t,
                             arg: *mut ::libc::c_void)
                             -> ::libc::c_int;
}