1 /* 2 * Copyright (c) 2022 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 #ifndef SDB_AUTO_SYNC_TIMER_H 16 #define SDB_AUTO_SYNC_TIMER_H 17 #include <set> 18 #include <vector> 19 20 #include "concurrent_map.h" 21 #include "kvdb_service.h" 22 #include "task_executor.h" 23 namespace OHOS::DistributedKv { 24 class AutoSyncTimer { 25 public: 26 static constexpr uint32_t FORCE_SYNC_INTERVAL = 200; 27 static constexpr uint32_t AUTO_SYNC_INTERVAL = 50; 28 static AutoSyncTimer &GetInstance(); 29 void DoAutoSync(const std::string &appId, std::set<StoreId> storeIds); 30 31 private: 32 static constexpr size_t TIME_TASK_NUM = 5; 33 static constexpr size_t SYNC_STORE_NUM = 10; 34 static constexpr int32_t DEFAULT_USER_ID = 0; 35 AutoSyncTimer() = default; 36 ~AutoSyncTimer() = default; 37 std::map<std::string, std::vector<StoreId>> GetStoreIds(); 38 std::function<void()> ProcessTask() __attribute__((no_sanitize("cfi"))); 39 void StartTimer(); 40 void StopTimer(); 41 void AddSyncStores(const std::string &appId, std::set<StoreId> storeIds); 42 bool HasSyncStores(); 43 std::pair<bool, std::string> HasCollaboration(const std::string &appId); 44 ConcurrentMap<std::string, std::vector<StoreId>> stores_; 45 TaskExecutor::TaskId delaySyncTaskId_; 46 TaskExecutor::TaskId forceSyncTaskId_; 47 std::mutex mutex_; 48 }; 49 } // namespace OHOS::DistributedKv 50 #endif // SDB_AUTO_SYNC_TIMER_H