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 OHOS_FILEMGMT_SYNC_STATE_MANAGER_H 17 #define OHOS_FILEMGMT_SYNC_STATE_MANAGER_H 18 19 #include <atomic> 20 #include <shared_mutex> 21 #include <bitset> 22 23 #include "data_sync_const.h" 24 namespace OHOS::FileManagement::CloudSync { 25 enum class SyncState : int32_t { 26 INIT = 0, 27 SYNCING, 28 SYNC_FAILED, 29 SYNC_SUCCEED, 30 }; 31 32 enum class SignalPos: int32_t { 33 CLEANING = 0, 34 DISABLE_CLOUD, 35 END, 36 }; 37 38 enum class Action : int32_t { 39 STOP = 0, 40 START, 41 FORCE_START, 42 CHECK, 43 }; 44 45 class SyncStateManager { 46 public: 47 Action UpdateSyncState(SyncState newState); 48 bool CheckAndSetPending(bool forceFlag, SyncTriggerType triggerType); 49 void SetCleaningFlag(); 50 Action ClearCleaningFlag(); 51 bool CheckCleaningFlag(); 52 bool GetStopSyncFlag(); 53 void SetStopSyncFlag(); 54 void SetDisableCloudFlag(); 55 Action ClearDisableCloudFlag(); 56 bool CheckDisableCloudFlag(); 57 SyncState GetSyncState() const; 58 bool GetForceFlag() const; 59 60 private: 61 mutable std::shared_mutex syncMutex_; 62 SyncState state_{SyncState::INIT}; 63 Action nextAction_{Action::STOP}; 64 //pos0: is_cleaning, pos1: is_disable_cloud 65 std::bitset<static_cast<unsigned long>(SignalPos::END)> syncSignal; 66 std::atomic_bool isForceSync_{false}; 67 std::atomic_bool stopSyncFlag_{false}; 68 }; 69 70 } // namespace OHOS::FileManagement::CloudSync 71 72 #endif // OHOS_FILEMGMT_SYNC_STATE_MANAGER_H 73