1 /* 2 * Copyright 2019, The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #pragma once 18 19 #include "macaddress.h" 20 21 #include <string.h> 22 23 struct FrameId { FrameIdFrameId24 FrameId() {} FrameIdFrameId25 FrameId(uint64_t cookie, const MacAddress& transmitter) 26 : cookie(cookie), transmitter(transmitter) { 27 } 28 FrameId(const FrameId&) = default; 29 FrameId(FrameId&&) = default; 30 31 FrameId& operator=(const FrameId&) = default; 32 FrameId& operator=(FrameId&&) = default; 33 34 uint64_t cookie; 35 MacAddress transmitter; 36 }; 37 38 namespace std { 39 template<> struct hash<FrameId> { 40 size_t operator()(const FrameId& id) const { 41 size_t seed = 0; 42 hash_combine(seed, id.cookie); 43 hash_combine(seed, id.transmitter); 44 return seed; 45 } 46 }; 47 } 48 49 inline bool operator==(const FrameId& left, const FrameId& right) { 50 return left.cookie == right.cookie && left.transmitter == right.transmitter; 51 } 52 53 inline bool operator<(const FrameId& left, const FrameId& right) { 54 if (left.cookie < right.cookie) { 55 return true; 56 } 57 if (left.cookie > right.cookie) { 58 return false; 59 } 60 return memcmp(left.transmitter.addr, 61 right.transmitter.addr, 62 sizeof(left.transmitter.addr)) < 0; 63 } 64