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
17package android.net.util;
18
19import android.net.INetd;
20import android.os.ServiceManager;
21import android.util.Log;
22
23
24/**
25 * @hide
26 */
27public 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