1 /****************************************************************************** 2 * 3 * Copyright 2017 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at: 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 ******************************************************************************/ 18 19 #pragma once 20 21 #include <string> 22 23 /** Bluetooth Address */ 24 class Address final { 25 public: 26 static constexpr unsigned int kLength = 6; 27 28 uint8_t address[kLength]; 29 30 Address() = default; 31 Address(const uint8_t (&addr)[6]); 32 33 bool operator<(const Address& rhs) const { 34 return (std::memcmp(address, rhs.address, sizeof(address)) < 0); 35 } 36 bool operator==(const Address& rhs) const { 37 return (std::memcmp(address, rhs.address, sizeof(address)) == 0); 38 } 39 bool operator>(const Address& rhs) const { 40 return (rhs < *this); 41 } 42 bool operator<=(const Address& rhs) const { 43 return !(*this > rhs); 44 } 45 bool operator>=(const Address& rhs) const { 46 return !(*this < rhs); 47 } 48 bool operator!=(const Address& rhs) const { 49 return !(*this == rhs); 50 } 51 IsEmpty()52 bool IsEmpty() const { 53 return *this == kEmpty; 54 } 55 56 std::string ToString() const; 57 58 // Converts |string| to Address and places it in |to|. If |from| does 59 // not represent a Bluetooth address, |to| is not modified and this function 60 // returns false. Otherwise, it returns true. 61 static bool FromString(const std::string& from, Address& to); 62 63 // Copies |from| raw Bluetooth address octets to the local object. 64 // Returns the number of copied octets - should be always Address::kLength 65 size_t FromOctets(const uint8_t* from); 66 67 static bool IsValidAddress(const std::string& address); 68 69 static const Address kEmpty; // 00:00:00:00:00:00 70 static const Address kAny; // FF:FF:FF:FF:FF:FF 71 }; 72 73 inline std::ostream& operator<<(std::ostream& os, const Address& a) { 74 os << a.ToString(); 75 return os; 76 } 77