1 /* 2 * Copyright (c) 2021-2022 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_HDI_BLUETOOTH_HCI_BLUETOOTH_ADDRESS_H 17 #define OHOS_HDI_BLUETOOTH_HCI_BLUETOOTH_ADDRESS_H 18 19 #include <memory> 20 #include <string> 21 #include <vector> 22 #include "bt_hal_constant.h" 23 24 namespace OHOS { 25 namespace HDI { 26 namespace Bluetooth { 27 namespace Hci { 28 class BluetoothAddress { 29 public: 30 BluetoothAddress(); 31 ~BluetoothAddress() = default; 32 static std::shared_ptr<BluetoothAddress> GetDeviceAddress(const std::string &path = BT_DEVICE_ADDRESS_PATH); 33 static std::shared_ptr<BluetoothAddress> GenerateDeviceAddress(const std::string &prefix = ""); 34 void ReadAddress(std::vector<uint8_t> &address) const; 35 void ReadAddress(std::string &address) const; 36 37 private: 38 static void ParseAddressToString(std::vector<uint8_t> &address, std::string &outString); 39 int ParseAddressFromString(const std::string &string) const; 40 static bool GetConstantAddress(char *address, int len); 41 static bool CheckAddress(char *address); 42 static std::shared_ptr<BluetoothAddress> GenerateDeviceAddressFile( 43 const std::string &path = BT_DEVICE_ADDRESS_PATH); 44 #ifdef BT_MAC_UPDATE 45 static bool NeedReloadAddress(); 46 #endif 47 48 private: 49 std::vector<uint8_t> address_; 50 static constexpr const char *BT_MAC_LIB = "libnb_mac.z.so"; 51 static constexpr const char *GET_BT_MAC_SYMBOL_NAME = "GetConstantMac"; 52 static constexpr unsigned int MAC_TYPE_BLUETOOTH = 1; 53 }; 54 } // namespace Hci 55 } // namespace Bluetooth 56 } // namespace HDI 57 } // namespace OHOS 58 #endif /* OHOS_HDI_BLUETOOTH_HCI_BLUETOOTH_ADDRESS_H */ 59