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.Network; 21 import android.net.NetworkCapabilities; 22 import android.net.NetworkInfo; 23 import android.util.Log; 24 25 import java.util.ArrayList; 26 27 public class ConnectivityChecker extends JobBase { 28 private static final String LOG_TAG = "GceConnChecker"; 29 private static final String MOBILE_NETWORK_CONNECTED_MESSAGE = 30 "VIRTUAL_DEVICE_NETWORK_MOBILE_CONNECTED"; 31 private static final String ETHERNET_NETWORK_CONNECTED_MESSAGE = 32 "VIRTUAL_DEVICE_NETWORK_ETHERNET_CONNECTED"; 33 34 private final Context mContext; 35 private final EventReporter mEventReporter; 36 private final GceFuture<Boolean> mConnected = new GceFuture<Boolean>("Connectivity"); 37 // TODO(schuffelen): Figure out why this has to be static in order to not report 3 times. 38 private static boolean reportedMobileConnectivity = false; 39 private static boolean reportedEthernetConnectivity = false; 40 ConnectivityChecker(Context context, EventReporter eventReporter)41 public ConnectivityChecker(Context context, EventReporter eventReporter) { 42 super(LOG_TAG); 43 mContext = context; 44 mEventReporter = eventReporter; 45 } 46 47 48 @Override execute()49 public int execute() { 50 ConnectivityManager connManager = (ConnectivityManager) mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 51 if (mConnected.isDone()) { 52 return 0; 53 } 54 55 Network[] networks = connManager.getAllNetworks(); 56 for (Network network : networks) { 57 NetworkInfo info = connManager.getNetworkInfo(network); 58 if (info.isConnected()) { 59 NetworkCapabilities capabilities = connManager.getNetworkCapabilities(network); 60 if (capabilities != null) { 61 if (capabilities.hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR) 62 && !reportedMobileConnectivity) { 63 mEventReporter.reportMessage(MOBILE_NETWORK_CONNECTED_MESSAGE); 64 reportedMobileConnectivity = true; 65 } else if (capabilities.hasTransport(NetworkCapabilities.TRANSPORT_ETHERNET) 66 && !reportedEthernetConnectivity) { 67 mEventReporter.reportMessage(ETHERNET_NETWORK_CONNECTED_MESSAGE); 68 reportedEthernetConnectivity = true; 69 } 70 } 71 } 72 } 73 74 return 0; 75 } 76 77 78 @Override onDependencyFailed(Exception e)79 public void onDependencyFailed(Exception e) { 80 mConnected.set(e); 81 } 82 83 getConnected()84 public GceFuture<Boolean> getConnected() { 85 return mConnected; 86 } 87 } 88