1 /* 2 * Copyright (c) 2022-2025 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_BACKUP_SERVICE_CLIENT_H 17 #define OHOS_FILEMGMT_BACKUP_SERVICE_CLIENT_H 18 19 #include <condition_variable> 20 #include <cstddef> 21 #include <cstdint> 22 #include <mutex> 23 #include "backup_file_info.h" 24 #include "backup_incremental_data.h" 25 #include "iservice.h" 26 #include "system_ability_load_callback_stub.h" 27 28 namespace OHOS::FileManagement::Backup { 29 class ServiceClient { 30 31 public: 32 static sptr<IService> GetServiceProxyPointer(); 33 static sptr<IService> GetInstance(); 34 static void InvaildInstance(); 35 bool CheckServiceProxy(); 36 public: 37 explicit ServiceClient(); 38 ~ServiceClient(); 39 public: 40 class ServiceProxyLoadCallback : public SystemAbilityLoadCallbackStub { 41 public: 42 void OnLoadSystemAbilitySuccess(int32_t systemAbilityId, const sptr<IRemoteObject> &remoteObject) override; 43 void OnLoadSystemAbilityFail(int32_t systemAbilityId) override; 44 45 public: 46 std::condition_variable proxyConVar_; 47 std::atomic<bool> isLoadSuccess_ = {false}; 48 }; 49 50 private: 51 static inline std::mutex proxyMutex_; 52 static inline std::mutex getInstanceMutex_; 53 static inline sptr<IService> serviceProxy_ = nullptr; 54 }; 55 } // namespace OHOS::FileManagement::Backup 56 57 #endif // OHOS_FILEMGMT_BACKUP_SERVICE_CLIENT_H