lib.rs

//! Raw bindings for RocksDB.
//!
//! This is simply a raw interface to the RocksDB C API. It is intended to underpin a higher-level library rather than for direct use.

#![allow(dead_code, non_camel_case_types, non_upper_case_globals, non_snake_case)]

extern crate libc;

#[cfg(test)]
mod test;

use libc::*;

extern "C" {
    // Database operations

    pub fn rocksdb_open(options: *const rocksdb_options_t, name: *const c_char, errptr: *mut *mut c_char) -> *mut rocksdb_t;

    pub fn rocksdb_open_for_read_only(options: *const rocksdb_options_t, name: *const c_char, error_if_log_file_exist: c_uchar, errptr: *mut *mut c_char) -> *mut rocksdb_t;

    pub fn rocksdb_backup_engine_open(options: *const rocksdb_options_t, path: *const c_char, errptr: *mut *mut c_char) -> *mut rocksdb_backup_engine_t;

    pub fn rocksdb_backup_engine_create_new_backup(be: *mut rocksdb_backup_engine_t, db: *mut rocksdb_t, errptr: *mut *mut c_char);

    pub fn rocksdb_backup_engine_purge_old_backups(be: *mut rocksdb_backup_engine_t, num_backups_to_keep: uint32_t, errptr: *mut *mut c_char);

    pub fn rocksdb_restore_options_create() -> *mut rocksdb_restore_options_t;

    pub fn rocksdb_restore_options_destroy(opt: *mut rocksdb_restore_options_t);

    pub fn rocksdb_restore_options_set_keep_log_files(opt: *mut rocksdb_restore_options_t, v: c_int);

    pub fn rocksdb_backup_engine_restore_db_from_latest_backup(be: *mut rocksdb_backup_engine_t, db_dir: *const c_char, wal_dir: *const c_char, restore_options: *const rocksdb_restore_options_t, errptr: *mut *mut c_char);

    pub fn rocksdb_backup_engine_get_backup_info(be: *mut rocksdb_backup_engine_t) -> *const rocksdb_backup_engine_info_t;

    pub fn rocksdb_backup_engine_info_count(info: *const rocksdb_backup_engine_info_t) -> c_int;

    pub fn rocksdb_backup_engine_info_timestamp(info: *const rocksdb_backup_engine_info_t, index: c_int) -> int64_t;

    pub fn rocksdb_backup_engine_info_backup_id(info: *const rocksdb_backup_engine_info_t, index: c_int) -> uint32_t;

    pub fn rocksdb_backup_engine_info_size(info: *const rocksdb_backup_engine_info_t, index: c_int) -> uint64_t;

    pub fn rocksdb_backup_engine_info_number_files(info: *const rocksdb_backup_engine_info_t, index: c_int) -> uint32_t;

    pub fn rocksdb_backup_engine_info_destroy(info: *const rocksdb_backup_engine_info_t);

    pub fn rocksdb_backup_engine_close(be: *mut rocksdb_backup_engine_t);

    pub fn rocksdb_open_column_families(options: *const rocksdb_options_t, name: *const c_char, num_column_families: c_int, column_family_names: *const *const c_char, column_family_options: *const *const rocksdb_options_t, column_family_handles: *mut *mut rocksdb_column_family_handle_t, errptr: *mut *mut c_char) -> *mut rocksdb_t;

    pub fn rocksdb_open_for_read_only_column_families(options: *const rocksdb_options_t, name: *const c_char, num_column_families: c_int, column_family_names: *const *const c_char, column_family_options: *const *const rocksdb_options_t, column_family_handles: *mut *mut rocksdb_column_family_handle_t, error_if_log_file_exist: c_uchar, errptr: *mut *mut c_char) -> *mut rocksdb_t;

    pub fn rocksdb_list_column_families(options: *const rocksdb_options_t, name: *const c_char, lencf: *mut size_t, errptr: *mut *mut c_char) -> *mut *mut c_char;

    pub fn rocksdb_list_column_families_destroy(list: *mut *mut c_char, len: size_t);

    pub fn rocksdb_create_column_family(db: *mut rocksdb_t, column_family_options: *const rocksdb_options_t, column_family_name: *const c_char, errptr: *mut *mut c_char) -> *mut rocksdb_column_family_handle_t;

    pub fn rocksdb_drop_column_family(db: *mut rocksdb_t, handle: *mut rocksdb_column_family_handle_t, errptr: *mut *mut c_char);

    pub fn rocksdb_column_family_handle_destroy(handle: *mut rocksdb_column_family_handle_t);

    pub fn rocksdb_close(db: *mut rocksdb_t);

    pub fn rocksdb_put(db: *mut rocksdb_t, options: *const rocksdb_writeoptions_t, key: *const c_char, keylen: size_t, val: *const c_char, vallen: size_t, errptr: *mut *mut c_char);

    pub fn rocksdb_put_cf(db: *mut rocksdb_t, options: *const rocksdb_writeoptions_t, column_family: *mut rocksdb_column_family_handle_t, key: *const c_char, keylen: size_t, val: *const c_char, vallen: size_t, errptr: *mut *mut c_char);

    pub fn rocksdb_delete(db: *mut rocksdb_t, options: *const rocksdb_writeoptions_t, key: *const c_char, keylen: size_t, errptr: *mut *mut c_char);

    pub fn rocksdb_delete_cf(db: *mut rocksdb_t, options: *const rocksdb_writeoptions_t, column_family: *mut rocksdb_column_family_handle_t, key: *const c_char, keylen: size_t, errptr: *mut *mut c_char);

    pub fn rocksdb_merge(db: *mut rocksdb_t, options: *const rocksdb_writeoptions_t, key: *const c_char, keylen: size_t, val: *const c_char, vallen: size_t, errptr: *mut *mut c_char);

    pub fn rocksdb_merge_cf(db: *mut rocksdb_t, options: *const rocksdb_writeoptions_t, column_family: *mut rocksdb_column_family_handle_t, key: *const c_char, keylen: size_t, val: *const c_char, vallen: size_t, errptr: *mut *mut c_char);

    pub fn rocksdb_write(db: *mut rocksdb_t, options: *const rocksdb_writeoptions_t, batch: *mut rocksdb_writebatch_t, errptr: *mut *mut c_char);

    pub fn rocksdb_get(db: *mut rocksdb_t, options: *const rocksdb_readoptions_t, key: *const c_char, keylen: size_t, vallen: *mut size_t, errptr: *mut *mut c_char) -> *mut c_char;

    pub fn rocksdb_get_cf(db: *mut rocksdb_t, options: *const rocksdb_readoptions_t, column_family: *mut rocksdb_column_family_handle_t, key: *const c_char, keylen: size_t, vallen: *mut size_t, errptr: *mut *mut c_char) -> *mut c_char;

    pub fn rocksdb_multi_get(db: *mut rocksdb_t, options: *const rocksdb_readoptions_t, num_keys: size_t, keys_list: *const *const c_char, keys_list_sizes: *const size_t, values_list: *mut *mut c_char, values_list_sizes: *mut size_t, errs: *mut *mut c_char);

    pub fn rocksdb_multi_get_cf(db: *mut rocksdb_t, options: *const rocksdb_readoptions_t, column_families: *const *const rocksdb_column_family_handle_t, num_keys: size_t, keys_list: *const *const c_char, keys_list_sizes: *const size_t, values_list: *mut *mut c_char, values_list_sizes: *mut size_t, errs: *mut *mut c_char);

    pub fn rocksdb_create_iterator(db: *mut rocksdb_t, options: *const rocksdb_readoptions_t) -> *mut rocksdb_iterator_t;

    pub fn rocksdb_create_iterator_cf(db: *mut rocksdb_t, options: *const rocksdb_readoptions_t, column_family: *mut rocksdb_column_family_handle_t) -> *mut rocksdb_iterator_t;

    pub fn rocksdb_create_iterators(db: *mut rocksdb_t, opts: *mut rocksdb_readoptions_t, column_families: *mut *mut rocksdb_column_family_handle_t, iterators: *mut *mut rocksdb_iterator_t, size: size_t, errptr: *mut *mut c_char);

    pub fn rocksdb_create_snapshot(db: *mut rocksdb_t) -> *const rocksdb_snapshot_t;

    pub fn rocksdb_release_snapshot(db: *mut rocksdb_t, snapshot: *const rocksdb_snapshot_t);

    pub fn rocksdb_property_value(db: *mut rocksdb_t, propname: *const c_char) -> *mut c_char;

    pub fn rocksdb_property_value_cf(db: *mut rocksdb_t, column_family: *mut rocksdb_column_family_handle_t, propname: *const c_char) -> *mut c_char;

    pub fn rocksdb_approximate_sizes(db: *mut rocksdb_t, num_ranges: c_int, range_start_key: *const *const c_char, range_start_key_len: *const size_t, range_limit_key: *const *const c_char, range_limit_key_len: *const size_t, sizes: *mut uint64_t);

    pub fn rocksdb_approximate_sizes_cf(db: *mut rocksdb_t, column_family: *mut rocksdb_column_family_handle_t, num_ranges: c_int, range_start_key: *const *const c_char, range_start_key_len: *const size_t, range_limit_key: *const *const c_char, range_limit_key_len: *const size_t, sizes: *mut uint64_t);

    pub fn rocksdb_compact_range(db: *mut rocksdb_t, start_key: *const c_char, start_key_len: size_t, limit_key: *const c_char, limit_key_len: size_t);

    pub fn rocksdb_compact_range_cf(db: *mut rocksdb_t, column_family: *mut rocksdb_column_family_handle_t, start_key: *const c_char, start_key_len: size_t, limit_key: *const c_char, limit_key_len: size_t);

    pub fn rocksdb_delete_file(db: *mut rocksdb_t, name: *const c_char);

    pub fn rocksdb_livefiles(db: *mut rocksdb_t) -> *const rocksdb_livefiles_t;

    pub fn rocksdb_flush(db: *mut rocksdb_t, options: *const rocksdb_flushoptions_t, errptr: *mut *mut c_char);

    pub fn rocksdb_disable_file_deletions(db: *mut rocksdb_t, errptr: *mut *mut c_char);

    pub fn rocksdb_enable_file_deletions(db: *mut rocksdb_t, force: c_uchar, errptr: *mut *mut c_char);

    // Management operations

    pub fn rocksdb_destroy_db(options: *const rocksdb_options_t, name: *const c_char, errptr: *mut *mut c_char);

    pub fn rocksdb_repair_db(options: *const rocksdb_options_t, name: *const c_char, errptr: *mut *mut c_char);

    // Iterator

    pub fn rocksdb_iter_destroy(iterator: *mut rocksdb_iterator_t);

    pub fn rocksdb_iter_valid(iterator: *const rocksdb_iterator_t) -> c_uchar;

    pub fn rocksdb_iter_seek_to_first(iterator: *mut rocksdb_iterator_t);

    pub fn rocksdb_iter_seek_to_last(iterator: *mut rocksdb_iterator_t);

    pub fn rocksdb_iter_seek(iterator: *mut rocksdb_iterator_t, k: *const c_char, klen: size_t);

    pub fn rocksdb_iter_next(iterator: *mut rocksdb_iterator_t);

    pub fn rocksdb_iter_prev(iterator: *mut rocksdb_iterator_t);

    pub fn rocksdb_iter_key(iterator: *const rocksdb_iterator_t, klen: *mut size_t) -> *const c_char;

    pub fn rocksdb_iter_value(iterator: *const rocksdb_iterator_t, vlen: *mut size_t) -> *const c_char;

    pub fn rocksdb_iter_get_error(iterator: *const rocksdb_iterator_t, errptr: *mut *mut c_char);

    // Write batch

    pub fn rocksdb_writebatch_create() -> *mut rocksdb_writebatch_t;

    pub fn rocksdb_writebatch_create_from(rep: *const c_char, size: size_t) -> *mut rocksdb_writebatch_t;

    pub fn rocksdb_writebatch_destroy(batch: *mut rocksdb_writebatch_t);

    pub fn rocksdb_writebatch_clear(batch: *mut rocksdb_writebatch_t);

    pub fn rocksdb_writebatch_count(batch: *mut rocksdb_writebatch_t) -> c_int;

    pub fn rocksdb_writebatch_put(batch: *mut rocksdb_writebatch_t, key: *const c_char, klen: size_t, val: *const c_char, vlen: size_t);

    pub fn rocksdb_writebatch_put_cf(batch: *mut rocksdb_writebatch_t, column_family: *mut rocksdb_column_family_handle_t, key: *const c_char, klen: size_t, val: *const c_char, vlen: size_t);

    pub fn rocksdb_writebatch_putv(b: *mut rocksdb_writebatch_t, num_keys: c_int, keys_list: *const *const c_char, keys_list_sizes: *const size_t, num_values: c_int, values_list: *const *const c_char, values_list_sizes: *const size_t);

    pub fn rocksdb_writebatch_putv_cf(b: *mut rocksdb_writebatch_t, column_family: *mut rocksdb_column_family_handle_t, num_keys: c_int, keys_list: *const *const c_char, keys_list_sizes: *const size_t, num_values: c_int, values_list: *const *const c_char, values_list_sizes: *const size_t);

    pub fn rocksdb_writebatch_merge(batch: *mut rocksdb_writebatch_t, key: *const c_char, klen: size_t, val: *const c_char, vlen: size_t);

    pub fn rocksdb_writebatch_merge_cf(batch: *mut rocksdb_writebatch_t, column_family: *mut rocksdb_column_family_handle_t, key: *const c_char, klen: size_t, val: *const c_char, vlen: size_t);

    pub fn rocksdb_writebatch_mergev(b: *mut rocksdb_writebatch_t, num_keys: c_int, keys_list: *const *const c_char, keys_list_sizes: *const size_t, num_values: c_int, values_list: *const *const c_char, values_list_sizes: *const size_t);

    pub fn rocksdb_writebatch_mergev_cf(b: *mut rocksdb_writebatch_t, column_family: *mut rocksdb_column_family_handle_t, num_keys: c_int, keys_list: *const *const c_char, keys_list_sizes: *const size_t, num_values: c_int, values_list: *const *const c_char, values_list_sizes: *const size_t);

    pub fn rocksdb_writebatch_delete(batch: *mut rocksdb_writebatch_t, key: *const c_char, klen: size_t);

    pub fn rocksdb_writebatch_delete_cf(batch: *mut rocksdb_writebatch_t, column_family: *mut rocksdb_column_family_handle_t, key: *const c_char, klen: size_t);

    pub fn rocksdb_writebatch_deletev(b: *mut rocksdb_writebatch_t, num_keys: c_int, keys_list: *const *const c_char, keys_list_sizes: *const size_t);

    pub fn rocksdb_writebatch_deletev_cf(b: *mut rocksdb_writebatch_t, column_family: *mut rocksdb_column_family_handle_t, num_keys: c_int, keys_list: *const *const c_char, keys_list_sizes: *const size_t);

    pub fn rocksdb_writebatch_put_log_data(batch: *mut rocksdb_writebatch_t, blob: *const c_char, len: size_t);

    pub fn rocksdb_writebatch_iterate(batch: *mut rocksdb_writebatch_t, state: *mut c_void, put: Option<unsafe extern "C" fn(state: *mut c_void, k: *const c_char, klen: size_t, v: *const c_char, vlen: size_t)>, deleted: Option<unsafe extern "C" fn(state: *mut c_void, k: *const c_char, klen: size_t)>);

    pub fn rocksdb_writebatch_data(batch: *mut rocksdb_writebatch_t, size: *mut size_t) -> *const c_char;

    // Block-based table options

    pub fn rocksdb_block_based_options_create() -> *mut rocksdb_block_based_table_options_t;

    pub fn rocksdb_block_based_options_destroy(options: *mut rocksdb_block_based_table_options_t);

    pub fn rocksdb_block_based_options_set_block_size(options: *mut rocksdb_block_based_table_options_t, v: size_t);

    pub fn rocksdb_block_based_options_set_block_size_deviation(options: *mut rocksdb_block_based_table_options_t, v: c_int);

    pub fn rocksdb_block_based_options_set_block_restart_interval(options: *mut rocksdb_block_based_table_options_t, v: c_int);

    pub fn rocksdb_block_based_options_set_filter_policy(options: *mut rocksdb_block_based_table_options_t, v: *mut rocksdb_filterpolicy_t);

    pub fn rocksdb_block_based_options_set_no_block_cache(options: *mut rocksdb_block_based_table_options_t, v: c_uchar);

    pub fn rocksdb_block_based_options_set_block_cache(options: *mut rocksdb_block_based_table_options_t, v: *mut rocksdb_cache_t);

    pub fn rocksdb_block_based_options_set_block_cache_compressed(options: *mut rocksdb_block_based_table_options_t, v: *mut rocksdb_cache_t);

    pub fn rocksdb_block_based_options_set_whole_key_filtering(options: *mut rocksdb_block_based_table_options_t, v: c_uchar);

    pub fn rocksdb_block_based_options_set_format_version(options: *mut rocksdb_block_based_table_options_t, v: c_int);

    pub fn rocksdb_block_based_options_set_index_type(options: *mut rocksdb_block_based_table_options_t, v: c_int);

    pub fn rocksdb_block_based_options_set_hash_index_allow_collision(options: *mut rocksdb_block_based_table_options_t, v: c_uchar);

    pub fn rocksdb_block_based_options_set_cache_index_and_filter_blocks(options: *mut rocksdb_block_based_table_options_t, v: c_uchar);

    pub fn rocksdb_block_based_options_set_pin_l0_filter_and_index_blocks_in_cache(options: *mut rocksdb_block_based_table_options_t, v: c_uchar);

    pub fn rocksdb_block_based_options_set_skip_table_builder_flush(options: *mut rocksdb_block_based_table_options_t, skip_table_builder_flush: c_uchar);

    pub fn rocksdb_options_set_block_based_table_factory(opt: *mut rocksdb_options_t, table_options: *mut rocksdb_block_based_table_options_t);

    // Cuckoo table options

    pub fn rocksdb_cuckoo_options_create() -> *mut rocksdb_cuckoo_table_options_t;

    pub fn rocksdb_cuckoo_options_destroy(options: *mut rocksdb_cuckoo_table_options_t);

    pub fn rocksdb_cuckoo_options_set_hash_ratio(options: *mut rocksdb_cuckoo_table_options_t, v: f64);

    pub fn rocksdb_cuckoo_options_set_max_search_depth(options: *mut rocksdb_cuckoo_table_options_t, v: uint32_t);

    pub fn rocksdb_cuckoo_options_set_cuckoo_block_size(options: *mut rocksdb_cuckoo_table_options_t, v: uint32_t);

    pub fn rocksdb_cuckoo_options_set_identity_as_first_hash(options: *mut rocksdb_cuckoo_table_options_t, v: c_uchar);

    pub fn rocksdb_cuckoo_options_set_use_module_hash(options: *mut rocksdb_cuckoo_table_options_t, v: c_uchar);

    pub fn rocksdb_options_set_cuckoo_table_factory(opt: *mut rocksdb_options_t, table_options: *mut rocksdb_cuckoo_table_options_t);

    // Options

    pub fn rocksdb_options_create() -> *mut rocksdb_options_t;

    pub fn rocksdb_options_destroy(opt: *mut rocksdb_options_t);

    pub fn rocksdb_options_increase_parallelism(opt: *mut rocksdb_options_t, total_threads: c_int);

    pub fn rocksdb_options_optimize_for_point_lookup(opt: *mut rocksdb_options_t, block_cache_size_mb: uint64_t);

    pub fn rocksdb_options_optimize_level_style_compaction(opt: *mut rocksdb_options_t, memtable_memory_budget: uint64_t);

    pub fn rocksdb_options_optimize_universal_style_compaction(opt: *mut rocksdb_options_t, memtable_memory_budget: uint64_t);

    pub fn rocksdb_options_set_compaction_filter(opt: *mut rocksdb_options_t, filter: *mut rocksdb_compactionfilter_t);

    pub fn rocksdb_options_set_compaction_filter_factory(opt: *mut rocksdb_options_t, factory: *mut rocksdb_compactionfilterfactory_t);

    pub fn rocksdb_options_compaction_readahead_size(opt: *mut rocksdb_options_t, s: size_t);

    pub fn rocksdb_options_set_comparator(opt: *mut rocksdb_options_t, cmp: *mut rocksdb_comparator_t);

    pub fn rocksdb_options_set_merge_operator(opt: *mut rocksdb_options_t, merge_operator: *mut rocksdb_mergeoperator_t);

    pub fn rocksdb_options_set_uint64add_merge_operator(opt: *mut rocksdb_options_t);

    pub fn rocksdb_options_set_compression_per_level(opt: *mut rocksdb_options_t, level_values: *mut c_int, num_levels: size_t);

    pub fn rocksdb_options_set_create_if_missing(opt: *mut rocksdb_options_t, v: c_uchar);

    pub fn rocksdb_options_set_create_missing_column_families(opt: *mut rocksdb_options_t, v: c_uchar);

    pub fn rocksdb_options_set_error_if_exists(opt: *mut rocksdb_options_t, v: c_uchar);

    pub fn rocksdb_options_set_paranoid_checks(opt: *mut rocksdb_options_t, v: c_uchar);

    pub fn rocksdb_options_set_env(opt: *mut rocksdb_options_t, env: *mut rocksdb_env_t);

    pub fn rocksdb_options_set_info_log(opt: *mut rocksdb_options_t, l: *mut rocksdb_logger_t);

    pub fn rocksdb_options_set_info_log_level(opt: *mut rocksdb_options_t, v: c_int);

    pub fn rocksdb_options_set_write_buffer_size(opt: *mut rocksdb_options_t, s: size_t);

    pub fn rocksdb_options_set_db_write_buffer_size(opt: *mut rocksdb_options_t, s: size_t);

    pub fn rocksdb_options_set_max_open_files(opt: *mut rocksdb_options_t, n: c_int);

    pub fn rocksdb_options_set_max_total_wal_size(opt: *mut rocksdb_options_t, n: uint64_t);

    pub fn rocksdb_options_set_compression_options(opt: *mut rocksdb_options_t, w_bits: c_int, level: c_int, strategy: c_int, max_dict_bytes: c_int);

    pub fn rocksdb_options_set_prefix_extractor(opt: *mut rocksdb_options_t, prefix_extractor: *mut rocksdb_slicetransform_t);

    pub fn rocksdb_options_set_num_levels(opt: *mut rocksdb_options_t, n: c_int);

    pub fn rocksdb_options_set_level0_file_num_compaction_trigger(opt: *mut rocksdb_options_t, n: c_int);

    pub fn rocksdb_options_set_level0_slowdown_writes_trigger(opt: *mut rocksdb_options_t, n: c_int);

    pub fn rocksdb_options_set_level0_stop_writes_trigger(opt: *mut rocksdb_options_t, n: c_int);

    pub fn rocksdb_options_set_max_mem_compaction_level(opt: *mut rocksdb_options_t, n: c_int);

    pub fn rocksdb_options_set_target_file_size_base(opt: *mut rocksdb_options_t, n: uint64_t);

    pub fn rocksdb_options_set_target_file_size_multiplier(opt: *mut rocksdb_options_t, n: c_int);

    pub fn rocksdb_options_set_max_bytes_for_level_base(opt: *mut rocksdb_options_t, n: uint64_t);

    pub fn rocksdb_options_set_max_bytes_for_level_multiplier(opt: *mut rocksdb_options_t, n: c_int);

    pub fn rocksdb_options_set_expanded_compaction_factor(opt: *mut rocksdb_options_t, v: c_int);

    pub fn rocksdb_options_set_max_grandparent_overlap_factor(opt: *mut rocksdb_options_t, v: c_int);

    pub fn rocksdb_options_set_max_bytes_for_level_multiplier_additional(opt: *mut rocksdb_options_t, level_values: *mut c_int, num_levels: size_t);

    pub fn rocksdb_options_enable_statistics(opt: *mut rocksdb_options_t);

    pub fn rocksdb_options_statistics_get_string(opt: *mut rocksdb_options_t) -> *mut c_char;

    pub fn rocksdb_options_set_max_write_buffer_number(opt: *mut rocksdb_options_t, n: c_int);

    pub fn rocksdb_options_set_min_write_buffer_number_to_merge(opt: *mut rocksdb_options_t, n: c_int);

    pub fn rocksdb_options_set_max_write_buffer_number_to_maintain(opt: *mut rocksdb_options_t, n: c_int);

    pub fn rocksdb_options_set_max_background_compactions(opt: *mut rocksdb_options_t, n: c_int);

    pub fn rocksdb_options_set_max_background_flushes(opt: *mut rocksdb_options_t, n: c_int);

    pub fn rocksdb_options_set_max_log_file_size(opt: *mut rocksdb_options_t, v: size_t);

    pub fn rocksdb_options_set_log_file_time_to_roll(opt: *mut rocksdb_options_t, v: size_t);

    pub fn rocksdb_options_set_keep_log_file_num(opt: *mut rocksdb_options_t, v: size_t);

    pub fn rocksdb_options_set_recycle_log_file_num(opt: *mut rocksdb_options_t, v: size_t);

    pub fn rocksdb_options_set_soft_rate_limit(opt: *mut rocksdb_options_t, v: f64);

    pub fn rocksdb_options_set_hard_rate_limit(opt: *mut rocksdb_options_t, v: f64);

    pub fn rocksdb_options_set_rate_limit_delay_max_milliseconds(opt: *mut rocksdb_options_t, v: c_uint);

    pub fn rocksdb_options_set_max_manifest_file_size(opt: *mut rocksdb_options_t, v: size_t);

    pub fn rocksdb_options_set_table_cache_numshardbits(opt: *mut rocksdb_options_t, v: c_int);

    pub fn rocksdb_options_set_table_cache_remove_scan_count_limit(opt: *mut rocksdb_options_t, v: c_int);

    pub fn rocksdb_options_set_arena_block_size(opt: *mut rocksdb_options_t, v: size_t);

    pub fn rocksdb_options_set_use_fsync(opt: *mut rocksdb_options_t, v: c_int);

    pub fn rocksdb_options_set_db_log_dir(opt: *mut rocksdb_options_t, v: *const c_char);

    pub fn rocksdb_options_set_wal_dir(opt: *mut rocksdb_options_t, v: *const c_char);

    pub fn rocksdb_options_set_WAL_ttl_seconds(opt: *mut rocksdb_options_t, ttl: uint64_t);

    pub fn rocksdb_options_set_WAL_size_limit_MB(opt: *mut rocksdb_options_t, limit: uint64_t);

    pub fn rocksdb_options_set_manifest_preallocation_size(opt: *mut rocksdb_options_t, v: size_t);

    pub fn rocksdb_options_set_purge_redundant_kvs_while_flush(opt: *mut rocksdb_options_t, v: c_uchar);

    pub fn rocksdb_options_set_allow_os_buffer(opt: *mut rocksdb_options_t, v: c_uchar);

    pub fn rocksdb_options_set_allow_mmap_reads(opt: *mut rocksdb_options_t, v: c_uchar);

    pub fn rocksdb_options_set_allow_mmap_writes(opt: *mut rocksdb_options_t, v: c_uchar);

    pub fn rocksdb_options_set_is_fd_close_on_exec(opt: *mut rocksdb_options_t, v: c_uchar);

    pub fn rocksdb_options_set_skip_log_error_on_recovery(opt: *mut rocksdb_options_t, v: c_uchar);

    pub fn rocksdb_options_set_stats_dump_period_sec(opt: *mut rocksdb_options_t, v: c_uint);

    pub fn rocksdb_options_set_advise_random_on_open(opt: *mut rocksdb_options_t, v: c_uchar);

    pub fn rocksdb_options_set_access_hint_on_compaction_start(opt: *mut rocksdb_options_t, v: c_int);

    pub fn rocksdb_options_set_use_adaptive_mutex(opt: *mut rocksdb_options_t, v: c_uchar);

    pub fn rocksdb_options_set_bytes_per_sync(opt: *mut rocksdb_options_t, v: uint64_t);

    pub fn rocksdb_options_set_verify_checksums_in_compaction(opt: *mut rocksdb_options_t, v: c_uchar);

    pub fn rocksdb_options_set_filter_deletes(opt: *mut rocksdb_options_t, v: c_uchar);

    pub fn rocksdb_options_set_max_sequential_skip_in_iterations(opt: *mut rocksdb_options_t, v: uint64_t);

    pub fn rocksdb_options_set_disable_data_sync(opt: *mut rocksdb_options_t, v: c_int);

    pub fn rocksdb_options_set_disable_auto_compactions(opt: *mut rocksdb_options_t, v: c_int);

    pub fn rocksdb_options_set_delete_obsolete_files_period_micros(opt: *mut rocksdb_options_t, v: uint64_t);

    pub fn rocksdb_options_set_source_compaction_factor(opt: *mut rocksdb_options_t, v: c_int);

    pub fn rocksdb_options_prepare_for_bulk_load(opt: *mut rocksdb_options_t);

    pub fn rocksdb_options_set_memtable_vector_rep(opt: *mut rocksdb_options_t);

    pub fn rocksdb_options_set_hash_skip_list_rep(opt: *mut rocksdb_options_t, bucket_count: size_t, skiplist_height: int32_t, skiplist_branching_factor: int32_t);

    pub fn rocksdb_options_set_hash_link_list_rep(opt: *mut rocksdb_options_t, bucket_count: size_t);

    pub fn rocksdb_options_set_plain_table_factory(opt: *mut rocksdb_options_t, user_key_len: uint32_t, bloom_bits_per_key: c_int, hash_table_ratio: f64, index_sparseness: size_t);

    pub fn rocksdb_options_set_min_level_to_compress(opt: *mut rocksdb_options_t, level: c_int);

    pub fn rocksdb_options_set_memtable_prefix_bloom_bits(opt: *mut rocksdb_options_t, v: uint32_t);

    pub fn rocksdb_options_set_memtable_prefix_bloom_probes(opt: *mut rocksdb_options_t, v: uint32_t);

    pub fn rocksdb_options_set_memtable_huge_page_size(opt: *mut rocksdb_options_t, v: size_t);

    pub fn rocksdb_options_set_max_successive_merges(opt: *mut rocksdb_options_t, v: size_t);

    pub fn rocksdb_options_set_min_partial_merge_operands(opt: *mut rocksdb_options_t, v: uint32_t);

    pub fn rocksdb_options_set_bloom_locality(opt: *mut rocksdb_options_t, v: uint32_t);

    pub fn rocksdb_options_set_inplace_update_support(opt: *mut rocksdb_options_t, v: c_uchar);

    pub fn rocksdb_options_set_inplace_update_num_locks(opt: *mut rocksdb_options_t, v: size_t);

    pub fn rocksdb_options_set_report_bg_io_stats(opt: *mut rocksdb_options_t, v: c_int);

    pub fn rocksdb_options_set_compression(opt: *mut rocksdb_options_t, t: c_int);

    pub fn rocksdb_options_set_compaction_style(opt: *mut rocksdb_options_t, style: c_int);

    pub fn rocksdb_options_set_universal_compaction_options(opt: *mut rocksdb_options_t, uco: *mut rocksdb_universal_compaction_options_t);

    pub fn rocksdb_options_set_fifo_compaction_options(opt: *mut rocksdb_options_t, fifo: *mut rocksdb_fifo_compaction_options_t);

    // Compaction filter

    pub fn rocksdb_compactionfilter_create(state: *mut c_void, destructor: Option<unsafe extern "C" fn(state: *mut c_void)>, filter: Option<unsafe extern "C" fn(state: *mut c_void, level: c_int, key: *const c_char, key_length: size_t, existing_value: *const c_char, value_length: size_t, new_value: *mut *mut c_char, new_value_length: *mut size_t, value_changed: *mut c_uchar) -> c_uchar>, name: Option<unsafe extern "C" fn(state: *mut c_void) -> *const c_char>) -> *mut rocksdb_compactionfilter_t;

    pub fn rocksdb_compactionfilter_set_ignore_snapshots(filter: *mut rocksdb_compactionfilter_t, v: c_uchar);

    pub fn rocksdb_compactionfilter_destroy(filter: *mut rocksdb_compactionfilter_t);

    // Compaction Filter context

    pub fn rocksdb_compactionfiltercontext_is_full_compaction(context: *mut rocksdb_compactionfiltercontext_t) -> c_uchar;

    pub fn rocksdb_compactionfiltercontext_is_manual_compaction(context: *mut rocksdb_compactionfiltercontext_t) -> c_uchar;

    // Compaction Filter factory

    pub fn rocksdb_compactionfilterfactory_create(state: *mut c_void, destructor: Option<unsafe extern "C" fn(state: *mut c_void)>, create_compaction_filter: Option<unsafe extern "C" fn(state: *mut c_void, context: *mut rocksdb_compactionfiltercontext_t) -> *mut rocksdb_compactionfilter_t>, name: Option<unsafe extern "C" fn(state: *mut c_void) -> *const c_char>) -> *mut rocksdb_compactionfilterfactory_t;

    pub fn rocksdb_compactionfilterfactory_destroy(factory: *mut rocksdb_compactionfilterfactory_t);

    // Comparator

    pub fn rocksdb_comparator_create(state: *mut c_void, destructor: Option<unsafe extern "C" fn(state: *mut c_void)>, compare: Option<unsafe extern "C" fn(state: *mut c_void, a: *const c_char, alen: size_t, b: *const c_char, blen: size_t) -> c_int>, name: Option<unsafe extern "C" fn(state: *mut c_void) -> *const c_char>) -> *mut rocksdb_comparator_t;

    pub fn rocksdb_comparator_destroy(cmp: *mut rocksdb_comparator_t);

    // Filter policy

    pub fn rocksdb_filterpolicy_create(state: *mut c_void, destructor: Option<unsafe extern "C" fn(state: *mut c_void)>, create_filter: Option<unsafe extern "C" fn(state: *mut c_void, key_array: *const *const c_char, key_length_array: *const size_t, num_keys: c_int, filter_length: *mut size_t) -> *mut c_char>, key_may_match: Option<unsafe extern "C" fn(state: *mut c_void, key: *const c_char, length: size_t, filter: *const c_char, filter_length: size_t) -> c_uchar>, delete_filter: Option<unsafe extern "C" fn(state: *mut c_void, filter: *const c_char, filter_length: size_t)>, name: Option<unsafe extern "C" fn(state: *mut c_void) -> *const c_char>) -> *mut rocksdb_filterpolicy_t;

    pub fn rocksdb_filterpolicy_destroy(filter: *mut rocksdb_filterpolicy_t);

    pub fn rocksdb_filterpolicy_create_bloom(bits_per_key: c_int) -> *mut rocksdb_filterpolicy_t;

    pub fn rocksdb_filterpolicy_create_bloom_full(bits_per_key: c_int) -> *mut rocksdb_filterpolicy_t;

    // Merge Operator

    pub fn rocksdb_mergeoperator_create(state: *mut c_void, destructor: Option<unsafe extern "C" fn(state: *mut c_void)>, full_merge: Option<unsafe extern "C" fn(state: *mut c_void, key: *const c_char, key_length: size_t, existing_value: *const c_char, existing_value_length: size_t, operands_list: *const *const c_char, operands_list_length: *const size_t, num_operands: c_int, success: *mut c_uchar, new_value_length: *mut size_t) -> *mut c_char>, partial_merge: Option<unsafe extern "C" fn(state: *mut c_void, key: *const c_char, key_length: size_t, operands_list: *const *const c_char, operands_list_length: *const size_t, num_operands: c_int, success: *mut c_uchar, new_value_length: *mut size_t) -> *mut c_char>, delete_value: Option<unsafe extern "C" fn(state: *mut c_void, value: *const c_char, value_length: size_t)>, name: Option<unsafe extern "C" fn(state: *mut c_void) -> *const c_char>) -> *mut rocksdb_mergeoperator_t;

    pub fn rocksdb_mergeoperator_destroy(merge_operator: *mut rocksdb_mergeoperator_t);

    // Read options

    pub fn rocksdb_readoptions_create() -> *mut rocksdb_readoptions_t;

    pub fn rocksdb_readoptions_destroy(opt: *mut rocksdb_readoptions_t);

    pub fn rocksdb_readoptions_set_verify_checksums(opt: *mut rocksdb_readoptions_t, v: c_uchar);

    pub fn rocksdb_readoptions_set_fill_cache(opt: *mut rocksdb_readoptions_t, v: c_uchar);

    pub fn rocksdb_readoptions_set_snapshot(opt: *mut rocksdb_readoptions_t, v: *const rocksdb_snapshot_t);

    pub fn rocksdb_readoptions_set_iterate_upper_bound(opt: *mut rocksdb_readoptions_t, key: *const c_char, keylen: size_t);

    pub fn rocksdb_readoptions_set_read_tier(opt: *mut rocksdb_readoptions_t, v: c_int);

    pub fn rocksdb_readoptions_set_tailing(opt: *mut rocksdb_readoptions_t, v: c_uchar);

    pub fn rocksdb_readoptions_set_readahead_size(opt: *mut rocksdb_readoptions_t, v: size_t);

    // Write options

    pub fn rocksdb_writeoptions_create() -> *mut rocksdb_writeoptions_t;

    pub fn rocksdb_writeoptions_destroy(opt: *mut rocksdb_writeoptions_t);

    pub fn rocksdb_writeoptions_set_sync(opt: *mut rocksdb_writeoptions_t, v: c_uchar);

    pub fn rocksdb_writeoptions_disable_WAL(opt: *mut rocksdb_writeoptions_t, disable: c_int);

    // Flush options

    pub fn rocksdb_flushoptions_create() -> *mut rocksdb_flushoptions_t;

    pub fn rocksdb_flushoptions_destroy(opt: *mut rocksdb_flushoptions_t);

    pub fn rocksdb_flushoptions_set_wait(opt: *mut rocksdb_flushoptions_t, v: c_uchar);

    // Cache

    pub fn rocksdb_cache_create_lru(capacity: size_t) -> *mut rocksdb_cache_t;

    pub fn rocksdb_cache_destroy(cache: *mut rocksdb_cache_t);

    pub fn rocksdb_cache_set_capacity(cache: *mut rocksdb_cache_t, capacity: size_t);

    // Environment

    pub fn rocksdb_create_default_env() -> *mut rocksdb_env_t;

    pub fn rocksdb_create_mem_env() -> *mut rocksdb_env_t;

    pub fn rocksdb_env_set_background_threads(env: *mut rocksdb_env_t, n: c_int);

    pub fn rocksdb_env_set_high_priority_background_threads(env: *mut rocksdb_env_t, n: c_int);

    pub fn rocksdb_env_join_all_threads(env: *mut rocksdb_env_t);

    pub fn rocksdb_env_destroy(env: *mut rocksdb_env_t);

    // Slice Transform

    pub fn rocksdb_slicetransform_create(state: *mut c_void, destructor: Option<unsafe extern "C" fn(state: *mut c_void)>, transform: Option<unsafe extern "C" fn(state: *mut c_void, key: *const c_char, length: size_t, dst_length: *mut size_t) -> *mut c_char>, in_domain: Option<unsafe extern "C" fn(state: *mut c_void, key: *const c_char, length: size_t) -> c_uchar>, in_range: Option<unsafe extern "C" fn(state: *mut c_void, key: *const c_char, length: size_t) -> c_uchar>, name: Option<unsafe extern "C" fn(state: *mut c_void) -> *const c_char>) -> *mut rocksdb_slicetransform_t;

    pub fn rocksdb_slicetransform_create_fixed_prefix(len: size_t) -> *mut rocksdb_slicetransform_t;

    pub fn rocksdb_slicetransform_create_noop() -> *mut rocksdb_slicetransform_t;

    pub fn rocksdb_slicetransform_destroy(st: *mut rocksdb_slicetransform_t);

    // Universal Compaction options

    pub fn rocksdb_universal_compaction_options_create() -> *mut rocksdb_universal_compaction_options_t;

    pub fn rocksdb_universal_compaction_options_set_size_ratio(uco: *mut rocksdb_universal_compaction_options_t, ratio: c_int);

    pub fn rocksdb_universal_compaction_options_set_min_merge_width(uco: *mut rocksdb_universal_compaction_options_t, w: c_int);

    pub fn rocksdb_universal_compaction_options_set_max_merge_width(uco: *mut rocksdb_universal_compaction_options_t, w: c_int);

    pub fn rocksdb_universal_compaction_options_set_max_size_amplification_percent(uco: *mut rocksdb_universal_compaction_options_t, p: c_int);

    pub fn rocksdb_universal_compaction_options_set_compression_size_percent(uco: *mut rocksdb_universal_compaction_options_t, p: c_int);

    pub fn rocksdb_universal_compaction_options_set_stop_style(uco: *mut rocksdb_universal_compaction_options_t, style: c_int);

    pub fn rocksdb_universal_compaction_options_destroy(uco: *mut rocksdb_universal_compaction_options_t);

    pub fn rocksdb_fifo_compaction_options_create() -> *mut rocksdb_fifo_compaction_options_t;

    pub fn rocksdb_fifo_compaction_options_set_max_table_files_size(fifo_opts: *mut rocksdb_fifo_compaction_options_t, size: uint64_t);

    pub fn rocksdb_fifo_compaction_options_destroy(fifo_opts: *mut rocksdb_fifo_compaction_options_t);

    pub fn rocksdb_livefiles_count(files: *const rocksdb_livefiles_t) -> c_int;

    pub fn rocksdb_livefiles_name(files: *const rocksdb_livefiles_t, index: c_int) -> *const c_char;

    pub fn rocksdb_livefiles_level(files: *const rocksdb_livefiles_t, index: c_int) -> c_int;

    pub fn rocksdb_livefiles_size(files: *const rocksdb_livefiles_t, index: c_int) -> size_t;

    pub fn rocksdb_livefiles_smallestkey(files: *const rocksdb_livefiles_t, index: c_int, size: *mut size_t) -> *const c_char;

    pub fn rocksdb_livefiles_largestkey(files: *const rocksdb_livefiles_t, index: c_int, size: *mut size_t) -> *const c_char;

    pub fn rocksdb_livefiles_destroy(files: *const rocksdb_livefiles_t);

    // Utilities

    pub fn rocksdb_get_options_from_string(base_options: *const rocksdb_options_t, opts_str: *const c_char, new_options: *mut rocksdb_options_t, errptr: *mut *mut c_char);

    pub fn rocksdb_delete_file_in_range(db: *mut rocksdb_t, start_key: *const c_char, start_key_len: size_t, limit_key: *const c_char, limit_key_len: size_t, errptr: *mut *mut c_char);

    pub fn rocksdb_delete_file_in_range_cf(db: *mut rocksdb_t, column_family: *mut rocksdb_column_family_handle_t, start_key: *const c_char, start_key_len: size_t, limit_key: *const c_char, limit_key_len: size_t, errptr: *mut *mut c_char);

    pub fn rocksdb_free(ptr: *mut c_void);
}

pub const rocksdb_block_based_table_index_type_binary_search: c_int = 0;
pub const rocksdb_block_based_table_index_type_hash_search: c_int = 1;

pub const rocksdb_no_compression: c_int = 0;
pub const rocksdb_snappy_compression: c_int = 1;
pub const rocksdb_zlib_compression: c_int = 2;
pub const rocksdb_bz2_compression: c_int = 3;
pub const rocksdb_lz4_compression: c_int = 4;
pub const rocksdb_lz4hc_compression: c_int = 5;

pub const rocksdb_level_compaction: c_int = 0;
pub const rocksdb_universal_compaction: c_int = 1;
pub const rocksdb_fifo_compaction: c_int = 2;

pub const rocksdb_similar_size_compaction_stop_style: c_int = 0;
pub const rocksdb_total_size_compaction_stop_style: c_int = 1;

pub enum rocksdb_t { }

pub enum rocksdb_backup_engine_t { }

pub enum rocksdb_backup_engine_info_t { }

pub enum rocksdb_restore_options_t { }

pub enum rocksdb_cache_t { }

pub enum rocksdb_compactionfilter_t { }

pub enum rocksdb_compactionfiltercontext_t { }

pub enum rocksdb_compactionfilterfactory_t { }

pub enum rocksdb_comparator_t { }

pub enum rocksdb_env_t { }

pub enum rocksdb_fifo_compaction_options_t { }

pub enum rocksdb_filelock_t { }

pub enum rocksdb_filterpolicy_t { }

pub enum rocksdb_flushoptions_t { }

pub enum rocksdb_iterator_t { }

pub enum rocksdb_logger_t { }

pub enum rocksdb_mergeoperator_t { }

pub enum rocksdb_options_t { }

pub enum rocksdb_block_based_table_options_t { }

pub enum rocksdb_cuckoo_table_options_t { }

pub enum rocksdb_randomfile_t { }

pub enum rocksdb_readoptions_t { }

pub enum rocksdb_seqfile_t { }

pub enum rocksdb_slicetransform_t { }

pub enum rocksdb_snapshot_t { }

pub enum rocksdb_writablefile_t { }

pub enum rocksdb_writebatch_t { }

pub enum rocksdb_writeoptions_t { }

pub enum rocksdb_universal_compaction_options_t { }

pub enum rocksdb_livefiles_t { }

pub enum rocksdb_column_family_handle_t { }