1 /* 2 * Copyright (c) 2023 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef NATIVE_RDB_STORE_MANAGER_H 17 #define NATIVE_RDB_STORE_MANAGER_H 18 19 #include <cstdint> 20 #include <memory> 21 #include <mutex> 22 #include <string> 23 #include <utility> 24 25 #include "lru_bucket.h" 26 #include "rdb_open_callback.h" 27 #include "rdb_store_config.h" 28 29 namespace OHOS { 30 namespace NativeRdb { 31 class RdbStoreImpl; 32 class RdbStoreManager { 33 public: 34 static RdbStoreManager &GetInstance(); 35 RdbStoreManager(); 36 virtual ~RdbStoreManager(); 37 std::shared_ptr<RdbStore> GetRdbStore( 38 const RdbStoreConfig &config, int &errCode, int version, RdbOpenCallback &openCallback); 39 void Clear(); 40 void Init(); 41 bool Destroy(); 42 bool Remove(const std::string &path, bool shouldClose); 43 bool Delete(const RdbStoreConfig &config, bool shouldClose); 44 45 private: 46 using Param = DistributedRdb::RdbSyncerParam; 47 using Info = DistributedRdb::RdbDebugInfo; 48 using DebugInfos = std::map<std::string, RdbStoreManager::Info>; 49 using DfxInfo = DistributedRdb::RdbDfxInfo; 50 bool IsConfigInvalidChanged(const std::string &path, RdbStoreConfig &config); 51 int32_t GetParamFromService(DistributedRdb::RdbSyncerParam ¶m); 52 bool IsPermitted(const DistributedRdb::RdbSyncerParam ¶m, const std::string &path); 53 int32_t CheckConfig(const RdbStoreConfig &config, const std::string &path); 54 static Param GetSyncParam(const RdbStoreConfig &config); 55 static int32_t Collector(const RdbStoreConfig &config, DebugInfos &debugInfos, DfxInfo &dfxInfo); 56 std::shared_ptr<RdbStoreImpl> GetStoreFromCache(const std::string &path, 57 const RdbStoreConfig &config, int &errCode); 58 59 static constexpr uint32_t BUCKET_MAX_SIZE = 4; 60 static constexpr uint32_t PROMISEINFO_CACHE_SIZE = 32; 61 static const bool regCollector_; 62 std::mutex mutex_; 63 std::map<std::string, std::weak_ptr<RdbStoreImpl>> storeCache_; 64 LRUBucket<std::string, Param> configCache_; 65 LRUBucket<std::string, bool> promiseInfoCache_; 66 }; 67 } // namespace NativeRdb 68 } // namespace OHOS 69 #endif 70