| /** @file |
| |
| A brief file description |
| |
| @section license License |
| |
| Licensed to the Apache Software Foundation (ASF) under one |
| or more contributor license agreements. See the NOTICE file |
| distributed with this work for additional information |
| regarding copyright ownership. The ASF licenses this file |
| to you 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. |
| */ |
| |
| #pragma once |
| |
| #include "I_Cache.h" |
| |
| // Generic Ram Cache interface |
| |
| struct RamCache { |
| // returns 1 on found/stored, 0 on not found/stored, if provided auxkey1 and auxkey2 must match |
| virtual int get(CryptoHash *key, Ptr<IOBufferData> *ret_data, uint32_t auxkey1 = 0, uint32_t auxkey2 = 0) = 0; |
| virtual int put(CryptoHash *key, IOBufferData *data, uint32_t len, bool copy = false, uint32_t auxkey1 = 0, |
| uint32_t auxkey2 = 0) = 0; |
| virtual int fixup(const CryptoHash *key, uint32_t old_auxkey1, uint32_t old_auxkey2, uint32_t new_auxkey1, |
| uint32_t new_auxkey2) = 0; |
| virtual int64_t size() const = 0; |
| |
| virtual void init(int64_t max_bytes, Vol *vol) = 0; |
| virtual ~RamCache(){}; |
| }; |
| |
| RamCache *new_RamCacheLRU(); |
| RamCache *new_RamCacheCLFUS(); |