1 /* 2 * Copyright (C) 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 NETMGR_EXT_UUID_H 17 #define NETMGR_EXT_UUID_H 18 19 #include <string> 20 #include <array> 21 22 namespace OHOS { 23 namespace NetManagerStandard { 24 class UUID { 25 public: 26 //128 bits uuid length 27 const static int UUID128_BYTES_LEN = 16; 28 UUID()29 UUID(){}; 30 ~UUID()31 ~UUID(){}; 32 33 /** 34 * @brief A constructor used to create an <b>UUID</b> instance. Constructor a new random UUID. 35 * 36 * @return Returns a random UUID. 37 */ 38 static UUID RandomUUID(); 39 40 /** 41 * @brief Convert UUID to string. 42 * 43 * @return Returns a String object representing this UUID. 44 */ 45 std::string ToString() const; 46 47 private: 48 std::array<uint8_t, UUID128_BYTES_LEN> uuid_ = {0x00}; 49 }; 50 51 using ParcelUuid = UUID; 52 } // namespace NetManagerStandard 53 } // namespace OHOS 54 55 #endif //NETMGR_EXT_UUID_H