mirror of
https://github.com/facebook/rocksdb.git
synced 2024-11-27 11:43:49 +00:00
7d472accdc
Summary: This PR merges the functionality of making the ColumnFamilyOptions, TableFactory, and DBOptions into Configurable into a single PR, resolving any merge conflicts Pull Request resolved: https://github.com/facebook/rocksdb/pull/5753 Reviewed By: ajkr Differential Revision: D23385030 Pulled By: zhichao-cao fbshipit-source-id: 8b977a7731556230b9b8c5a081b98e49ee4f160a
64 lines
2.3 KiB
C++
64 lines
2.3 KiB
C++
// 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/cache.h"
|
|
|
|
#include "cache/lru_cache.h"
|
|
#include "rocksdb/utilities/options_type.h"
|
|
#include "util/string_util.h"
|
|
|
|
namespace ROCKSDB_NAMESPACE {
|
|
#ifndef ROCKSDB_LITE
|
|
static std::unordered_map<std::string, OptionTypeInfo>
|
|
lru_cache_options_type_info = {
|
|
{"capacity",
|
|
{offsetof(struct LRUCacheOptions, capacity), OptionType::kSizeT,
|
|
OptionVerificationType::kNormal, OptionTypeFlags::kMutable}},
|
|
{"num_shard_bits",
|
|
{offsetof(struct LRUCacheOptions, num_shard_bits), OptionType::kInt,
|
|
OptionVerificationType::kNormal, OptionTypeFlags::kMutable}},
|
|
{"strict_capacity_limit",
|
|
{offsetof(struct LRUCacheOptions, strict_capacity_limit),
|
|
OptionType::kBoolean, OptionVerificationType::kNormal,
|
|
OptionTypeFlags::kMutable}},
|
|
{"high_pri_pool_ratio",
|
|
{offsetof(struct LRUCacheOptions, high_pri_pool_ratio),
|
|
OptionType::kDouble, OptionVerificationType::kNormal,
|
|
OptionTypeFlags::kMutable}},
|
|
};
|
|
#endif // ROCKSDB_LITE
|
|
|
|
Status Cache::CreateFromString(const ConfigOptions& config_options,
|
|
const std::string& value,
|
|
std::shared_ptr<Cache>* result) {
|
|
Status status;
|
|
std::shared_ptr<Cache> cache;
|
|
if (value.find('=') == std::string::npos) {
|
|
cache = NewLRUCache(ParseSizeT(value));
|
|
} else {
|
|
#ifndef ROCKSDB_LITE
|
|
LRUCacheOptions cache_opts;
|
|
status = OptionTypeInfo::ParseStruct(
|
|
config_options, "", &lru_cache_options_type_info, "", value,
|
|
reinterpret_cast<char*>(&cache_opts));
|
|
if (status.ok()) {
|
|
cache = NewLRUCache(cache_opts);
|
|
}
|
|
#else
|
|
(void)config_options;
|
|
status = Status::NotSupported("Cannot load cache in LITE mode ", value);
|
|
#endif //! ROCKSDB_LITE
|
|
}
|
|
if (status.ok()) {
|
|
result->swap(cache);
|
|
}
|
|
return status;
|
|
}
|
|
} // namespace ROCKSDB_NAMESPACE
|