1 /* 2 * Copyright 2018, 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 <stddef.h> 20 21 #ifdef __cplusplus 22 extern "C" { 23 #endif 24 25 struct ifMonitor; 26 27 struct ifAddress { 28 int family; 29 int prefix; 30 unsigned char addr[16]; 31 }; 32 33 // A callback for when the addresses on an interface changes 34 typedef void (*ifMonitorCallback)(unsigned int /*interface index*/, 35 const struct ifAddress* /*addresses*/, 36 size_t /*number of addresses */); 37 38 struct ifMonitor* ifMonitorCreate(); 39 void ifMonitorFree(struct ifMonitor* monitor); 40 41 void ifMonitorSetCallback(struct ifMonitor* monitor, 42 ifMonitorCallback callback); 43 void ifMonitorRunAsync(struct ifMonitor* monitor); 44 void ifMonitorStop(struct ifMonitor* monitor); 45 46 #ifdef __cplusplus 47 } // extern "C" 48 #endif 49 50