/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.framework.tests;
import com.android.tradefed.device.DeviceNotAvailableException;
import com.android.tradefed.device.ITestDevice;
import com.android.tradefed.log.LogUtil.CLog;
import com.android.tradefed.util.RunUtil;
public class DataIdleTestHelper {
private final static String[] PING_SERVER_LIST = {"www.google.com", "www.facebook.com",
"www.bing.com", "www.ask.com", "www.yahoo.com"};
private final static String PING_FAIL_STRING = "ping: unknown host";
private ITestDevice mDevice;
private final static int RETRY_ATTEMPTS = 5;
private final static int PING_WAITING_TIME = 30 * 10000; // 30 seconds
DataIdleTestHelper(ITestDevice device) {
mDevice = device;
}
/**
* Ping a series of popular servers to check for Internet connection.
*
* @return true if the device is able to ping the test servers.
* @throws DeviceNotAvailableException
*/
public boolean pingTest() throws DeviceNotAvailableException {
for (int i = 0; i < RETRY_ATTEMPTS; ++i) {
for (int j = 0; j < PING_SERVER_LIST.length; ++j) {
String host = PING_SERVER_LIST[j];
CLog.d("Start ping test, ping %s", host);
String res = mDevice.executeShellCommand("ping -c 10 -w 100 " + host);
CLog.d("res: %s", res);
if (!res.contains(PING_FAIL_STRING)) {
return true;
}
}
RunUtil.getDefault().sleep(PING_WAITING_TIME);
}
return false;
}
}