rocksdb/cache/cache.cc

42 lines
1.4 KiB
C++
Raw Normal View History

// 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 "options/options_helper.h"
#include "util/string_util.h"
namespace ROCKSDB_NAMESPACE {
Status Cache::CreateFromString(const ConfigOptions& /*opts*/,
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;
if (!ParseOptionHelper(reinterpret_cast<char*>(&cache_opts),
OptionType::kLRUCacheOptions, value)) {
status = Status::InvalidArgument("Invalid cache options");
}
cache = NewLRUCache(cache_opts);
#else
status = Status::NotSupported("Cannot load cache in LITE mode ", value);
#endif //! ROCKSDB_LITE
}
if (status.ok()) {
result->swap(cache);
}
return status;
}
} // namespace ROCKSDB_NAMESPACE