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 android.net.util; 18 19 import android.net.INetd; 20 import android.os.ServiceManager; 21 import android.util.Log; 22 23 24 /** 25 * @hide 26 */ 27 public class NetdService { 28 private static final String TAG = NetdService.class.getSimpleName(); 29 private static final String NETD_SERVICE_NAME = "netd"; 30 31 /** 32 * It is the caller's responsibility to check for a null return value 33 * and to handle RemoteException errors from invocations on the returned 34 * interface if, for example, netd dies and is restarted. 35 * 36 * @return an INetd instance or null. 37 */ 38 public static INetd getInstance() { 39 final INetd netdInstance = INetd.Stub.asInterface( 40 ServiceManager.getService(NETD_SERVICE_NAME)); 41 if (netdInstance == null) { 42 Log.w(TAG, "WARNING: returning null INetd instance."); 43 } 44 return netdInstance; 45 } 46 } 47
