/* * Copyright (c) 2021-2022 Huawei Device Co., Ltd. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef OHOS_DISTRIBUTED_HARDWARE_VERSION_MANAGER_H #define OHOS_DISTRIBUTED_HARDWARE_VERSION_MANAGER_H #include #include #include #include "single_instance.h" #include "distributed_hardware_errno.h" #include "device_type.h" #include "utils/impl_utils.h" namespace OHOS { namespace DistributedHardware { const std::string DH_LOCAL_VERSION = "1.0"; class VersionManager { DECLARE_SINGLE_INSTANCE_BASE(VersionManager); public: VersionManager() {} ~VersionManager() {} int32_t Init(); void UnInit(); int32_t AddDHVersion(const std::string &uuid, const DHVersion &dhVersion); int32_t RemoveDHVersion(const std::string &uuid); int32_t GetDHVersion(const std::string &uuid, DHVersion &dhVersion); int32_t GetCompVersion(const std::string &uuid, const DHType dhType, CompVersion &compVersion); int32_t SyncDHVersionFromDB(const std::string &uuid, DHVersion &dhVersion); std::string GetLocalDeviceVersion(); void ShowLocalVersion(const DHVersion &dhVersion) const; private: std::unordered_map dhVersions_; std::mutex versionMutex_; }; } // namespace DistributedHardware } // namespace OHOS #endif