1 /* 2 * Copyright (C) 2011 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.framework.tests; 18 19 import com.android.tradefed.device.DeviceNotAvailableException; 20 import com.android.tradefed.device.ITestDevice; 21 import com.android.tradefed.log.LogUtil.CLog; 22 import com.android.tradefed.util.RunUtil; 23 24 public class DataIdleTestHelper { 25 private final static String[] PING_SERVER_LIST = {"www.google.com", "www.facebook.com", 26 "www.bing.com", "www.ask.com", "www.yahoo.com"}; 27 private final static String PING_FAIL_STRING = "ping: unknown host"; 28 private ITestDevice mDevice; 29 private final static int RETRY_ATTEMPTS = 5; 30 private final static int PING_WAITING_TIME = 30 * 10000; // 30 seconds 31 32 DataIdleTestHelper(ITestDevice device) { 33 mDevice = device; 34 } 35 36 /** 37 * Ping a series of popular servers to check for Internet connection. 38 * 39 * @return true if the device is able to ping the test servers. 40 * @throws DeviceNotAvailableException 41 */ 42 public boolean pingTest() throws DeviceNotAvailableException { 43 for (int i = 0; i < RETRY_ATTEMPTS; ++i) { 44 for (int j = 0; j < PING_SERVER_LIST.length; ++j) { 45 String host = PING_SERVER_LIST[j]; 46 CLog.d("Start ping test, ping %s", host); 47 String res = mDevice.executeShellCommand("ping -c 10 -w 100 " + host); 48 CLog.d("res: %s", res); 49 if (!res.contains(PING_FAIL_STRING)) { 50 return true; 51 } 52 } 53 RunUtil.getDefault().sleep(PING_WAITING_TIME); 54 } 55 return false; 56 } 57 58 59 } 60
