1 // Copyright 2021 Google LLC 2 // 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 #pragma once 16 17 #include <arpa/inet.h> 18 #include <sys/socket.h> 19 20 #include <cstdint> 21 #include <cstdio> 22 #include <cstring> 23 #include <memory> 24 #include <vector> 25 26 #define MAC_ADDR_SIZE 6 27 28 struct MacAddr 29 { 30 std::uint8_t octet[MAC_ADDR_SIZE]; // network order 31 }; 32 33 enum class NemoraDatagramType 34 { 35 NemoraEvent, 36 }; 37 38 /** 39 * Encompasses all valid outbound UDP messages 40 */ 41 struct NemoraDatagram 42 { 43 // destination 44 sockaddr_in destination; 45 sockaddr_in6 destination6; 46 // type 47 NemoraDatagramType type; 48 std::vector<uint8_t> payload; 49 }; 50 51 /** 52 * Event information as broadcast to System Health Data Collector 53 */ 54 struct NemoraEvent : NemoraDatagram 55 { 56 std::uint8_t mac[MAC_ADDR_SIZE]; 57 std::uint64_t sent_time_s; 58 std::vector<uint64_t> postcodes; 59 }; 60