1 /* 2 * Copyright (C) 2016 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 package com.android.server.connectivity.tethering; 18 19 /** 20 * @hide 21 * 22 * Interface with methods necessary to notify that a given interface is ready for tethering. 23 */ 24 public interface IControlsTethering { 25 public final int STATE_UNAVAILABLE = 0; 26 public final int STATE_AVAILABLE = 1; 27 public final int STATE_TETHERED = 2; 28 public final int STATE_LOCAL_ONLY = 3; 29 30 /** 31 * Notify that |who| has changed its tethering state. This may be called from any thread. 32 * 33 * @param iface a network interface (e.g. "wlan0") 34 * @param who corresponding instance of a TetherInterfaceStateMachine 35 * @param state one of IControlsTethering.STATE_* 36 * @param lastError one of ConnectivityManager.TETHER_ERROR_* 37 */ notifyInterfaceStateChange(String iface, TetherInterfaceStateMachine who, int state, int lastError)38 void notifyInterfaceStateChange(String iface, TetherInterfaceStateMachine who, 39 int state, int lastError); 40 } 41