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// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
// This source code is licensed under both the GPLv2 (found in the
// COPYING file in the root directory) and Apache 2.0 License
// (found in the LICENSE.Apache file in the root directory).
//
// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file. See the AUTHORS file for names of contributors.
#include "rocksdb/utilities/leveldb_options.h"
#include "rocksdb/cache.h"
#include "rocksdb/comparator.h"
#include "rocksdb/env.h"
#include "rocksdb/filter_policy.h"
#include "rocksdb/options.h"
#include "rocksdb/table.h"
namespace ROCKSDB_NAMESPACE {
LevelDBOptions::LevelDBOptions()
: comparator(BytewiseComparator()),
create_if_missing(false),
error_if_exists(false),
paranoid_checks(false),
env(Env::Default()),
info_log(nullptr),
write_buffer_size(4 << 20),
max_open_files(1000),
block_cache(nullptr),
block_size(4096),
block_restart_interval(16),
compression(kSnappyCompression),
filter_policy(nullptr) {}
Options ConvertOptions(const LevelDBOptions& leveldb_options) {
Options options = Options();
options.create_if_missing = leveldb_options.create_if_missing;
options.error_if_exists = leveldb_options.error_if_exists;
options.paranoid_checks = leveldb_options.paranoid_checks;
options.env = leveldb_options.env;
options.info_log.reset(leveldb_options.info_log);
options.write_buffer_size = leveldb_options.write_buffer_size;
options.max_open_files = leveldb_options.max_open_files;
options.compression = leveldb_options.compression;
BlockBasedTableOptions table_options;
table_options.block_cache.reset(leveldb_options.block_cache);
table_options.block_size = leveldb_options.block_size;
table_options.block_restart_interval = leveldb_options.block_restart_interval;
table_options.filter_policy.reset(leveldb_options.filter_policy);
options.table_factory.reset(NewBlockBasedTableFactory(table_options));
return options;
}
} // namespace ROCKSDB_NAMESPACE
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