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 
17 package com.android.compatibility.common.util;
18 
19 import com.android.ddmlib.Log.LogLevel;
20 import com.android.tradefed.device.DeviceNotAvailableException;
21 import com.android.tradefed.device.ITestDevice;
22 import com.android.tradefed.log.LogUtil.CLog;
23 import com.android.tradefed.result.ITestInvocationListener;
24 import com.android.tradefed.util.RunUtil;
25 
26 /**
27  * Utility functions related to device state monitoring during compatibility test.
28  */
29 public class MonitoringUtils {
30 
31     private static final long CONNECTIVITY_CHECK_TIME_MS = 20 * 1000;
32     private static final long CONNECTIVITY_CHECK_INTERVAL_MS = 5 * 1000;
33 
checkDeviceConnectivity(ITestDevice device)34     public static boolean checkDeviceConnectivity(ITestDevice device)
35             throws DeviceNotAvailableException {
36         long start = System.currentTimeMillis();
37         while (System.currentTimeMillis() - start < CONNECTIVITY_CHECK_TIME_MS) {
38             if (device.checkConnectivity()) {
39                 CLog.i("Wifi Connectivity: passed check.");
40                 return true;
41             } else {
42                 CLog.logAndDisplay(
43                         LogLevel.INFO,
44                         "Wifi Connectivity check failed on %s. (Is your device connected to Wifi?)"
45                                 + ", retrying in %dms",
46                         device.getSerialNumber(),
47                         CONNECTIVITY_CHECK_INTERVAL_MS);
48                 RunUtil.getDefault().sleep(CONNECTIVITY_CHECK_INTERVAL_MS);
49             }
50         }
51         return false;
52     }
53 
checkDeviceConnectivity(ITestDevice device, ITestInvocationListener listener, String tag)54     public static void checkDeviceConnectivity(ITestDevice device, ITestInvocationListener listener,
55             String tag) throws DeviceNotAvailableException {
56         if (!checkDeviceConnectivity(device)) {
57             CLog.w("Wifi Connectivity: check failed. (Is your device connected to Wifi?)");
58             device.logBugreport(String.format("bugreport-connectivity-%s", tag), listener);
59         }
60     }
61 }
62