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 #include "data_sync_const.h" 23 #include "parameters.h" 24 25 namespace OHOS::FileManagement::CloudSync { 26 enum class SyncState : int32_t { 27 INIT = 0, 28 SYNCING, 29 SYNC_FAILED, 30 SYNC_SUCCEED, 31 }; 32 33 enum class SignalPos: int32_t { 34 CLEANING = 0, 35 DISABLE_CLOUD, 36 END, 37 }; 38 39 enum class Action : int32_t { 40 STOP = 0, 41 START, 42 FORCE_START, 43 CHECK, 44 }; 45 46 class SyncStateManager { 47 public: 48 Action UpdateSyncState(SyncState newState); 49 bool CheckAndSetPending(bool forceFlag, SyncTriggerType triggerType); 50 void SetCleaningFlag(); 51 Action ClearCleaningFlag(); 52 bool CheckCleaningFlag(); 53 bool GetStopSyncFlag(); 54 void SetStopSyncFlag(); 55 void SetDisableCloudFlag(); 56 Action ClearDisableCloudFlag(); 57 bool CheckDisableCloudFlag(); 58 bool CheckMediaLibCleaning(); 59 SyncState GetSyncState() const; 60 bool GetForceFlag() const; 61 62 private: 63 mutable std::shared_mutex syncMutex_; 64 SyncState state_{SyncState::INIT}; 65 Action nextAction_{Action::STOP}; 66 //pos0: is_cleaning, pos1: is_disable_cloud 67 std::bitset<static_cast<unsigned long>(SignalPos::END)> syncSignal; 68 std::atomic_bool isForceSync_{false}; 69 std::atomic_bool stopSyncFlag_{false}; 70 }; 71 72 } // namespace OHOS::FileManagement::CloudSync 73 74 #endif // OHOS_FILEMGMT_SYNC_STATE_MANAGER_H 75