1 /* 2 * Copyright (C) 2017 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 package com.android.google.gce.gceservice; 17 18 import android.content.Context; 19 import android.net.ConnectivityManager; 20 import android.net.NetworkInfo; 21 import android.util.Log; 22 23 import java.util.ArrayList; 24 25 public class ConnectivityChecker extends JobBase { 26 private static final String LOG_TAG = "GceConnChecker"; 27 28 private final Context mContext; 29 private final GceFuture<Boolean> mConnected = new GceFuture<Boolean>("Connectivity"); 30 31 32 public ConnectivityChecker(Context context) { 33 super(LOG_TAG); 34 mContext = context; 35 } 36 37 38 @Override 39 public int execute() { 40 ConnectivityManager connManager = (ConnectivityManager) mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 41 if (mConnected.isDone()) return 0; 42 43 NetworkInfo[] networks = connManager.getAllNetworkInfo(); 44 ArrayList<String> connected = new ArrayList<String>(); 45 ArrayList<String> disconnected = new ArrayList<String>(); 46 47 for (NetworkInfo network : networks) { 48 if (network.isConnected()) { 49 connected.add(network.getTypeName()); 50 mConnected.set(true); 51 break; 52 } else { 53 disconnected.add(network.getTypeName()); 54 } 55 } 56 57 Log.i(LOG_TAG, "Connectivity status: connected:" + connected + ", disconnected:" + disconnected); 58 59 return 0; 60 } 61 62 63 @Override 64 public void onDependencyFailed(Exception e) { 65 mConnected.set(e); 66 } 67 68 69 public GceFuture<Boolean> getConnected() { 70 return mConnected; 71 } 72 } 73
