1 /* 2 * Copyright (c) 2021 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_DISTRIBUTED_HARDWARE_DHUTILS_TOOL_H 17 #define OHOS_DISTRIBUTED_HARDWARE_DHUTILS_TOOL_H 18 19 #include <cstdint> 20 #include <string> 21 22 #include "device_type.h" 23 24 namespace OHOS { 25 namespace DistributedHardware { 26 /** 27 * return current time in millisecond. 28 */ 29 int64_t GetCurrentTime(); 30 31 /** 32 * return a random string id. 33 */ 34 std::string GetRandomID(); 35 36 std::string GetUUIDBySoftBus(const std::string &networkId); 37 38 DeviceInfo GetLocalDeviceInfo(); 39 40 /* Convert uuid to deviceId by sha256 encode */ 41 std::string GetDeviceIdByUUID(const std::string &uuid); 42 } 43 } 44 #endif