1 /* 2 * Copyright (C) 2008 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 #ifndef _TETHER_CONTROLLER_H 18 #define _TETHER_CONTROLLER_H 19 20 #include <netinet/in.h> 21 22 #include "List.h" 23 24 typedef android::netd::List<char *> InterfaceCollection; 25 typedef android::netd::List<struct in_addr> NetAddressCollection; 26 27 class TetherController { 28 InterfaceCollection *mInterfaces; 29 NetAddressCollection *mDnsForwarders; 30 pid_t mDaemonPid; 31 int mDaemonFd; 32 33 public: 34 TetherController(); 35 virtual ~TetherController(); 36 37 int setIpFwdEnabled(bool enable); 38 bool getIpFwdEnabled(); 39 40 int startTethering(int num_addrs, struct in_addr* addrs); 41 42 int stopTethering(); 43 bool isTetheringStarted(); 44 45 int setDnsForwarders(char **servers, int numServers); 46 NetAddressCollection *getDnsForwarders(); 47 48 int tetherInterface(const char *interface); 49 int untetherInterface(const char *interface); 50 InterfaceCollection *getTetheredInterfaceList(); 51 52 private: 53 int applyDnsInterfaces(); 54 }; 55 56 #endif 57