| /* |
| * Copyright (C) 2010, 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.connectivitymanagertest.stress; |
| |
| import android.content.Context; |
| import android.net.ConnectivityManager; |
| import android.net.NetworkInfo.State; |
| import android.net.wifi.ScanResult; |
| import android.net.wifi.WifiConfiguration; |
| import android.net.wifi.WifiConfiguration.IpAssignment; |
| import android.net.wifi.WifiConfiguration.KeyMgmt; |
| import android.net.wifi.WifiConfiguration.ProxySettings; |
| import android.net.wifi.WifiManager; |
| import android.os.Environment; |
| import android.os.PowerManager; |
| import android.os.SystemClock; |
| import android.provider.Settings; |
| import android.view.KeyEvent; |
| import android.test.suitebuilder.annotation.LargeTest; |
| import android.util.Log; |
| |
| import com.android.connectivitymanagertest.ConnectivityManagerStressTestRunner; |
| import com.android.connectivitymanagertest.ConnectivityManagerTestBase; |
| |
| import java.io.BufferedWriter; |
| import java.io.File; |
| import java.io.FileWriter; |
| import java.io.IOException; |
| import java.util.List; |
| |
| /** |
| * Stress Wi-Fi connection, scanning and reconnection after sleep. |
| * |
| * To run this stress test suite, type |
| * adb shell am instrument -e class com.android.connectivitymanagertest.stress.WifiStressTest |
| * -w com.android.connectivitymanagertest/.ConnectivityManagerStressTestRunner |
| */ |
| public class WifiStressTest |
| extends ConnectivityManagerTestBase { |
| private final static String TAG = "WifiStressTest"; |
| |
| private final static long SCREEN_OFF_TIMER = 500; //500ms |
| /** |
| * Wi-Fi idle time for default sleep policy |
| */ |
| private final static long WIFI_IDLE_MS = 60 * 1000; |
| |
| /** |
| * Delay after issuing wifi shutdown. |
| * The framework keep driver up for at leat 2 minutes to avoid problems |
| * that a quick shutdown could cause on wext driver and protentially |
| * on cfg based driver |
| */ |
| private final static long WIFI_SHUTDOWN_DELAY = 2 * 60 * 1000; |
| |
| private final static String OUTPUT_FILE = "WifiStressTestOutput.txt"; |
| private int mReconnectIterations; |
| private int mWifiSleepTime; |
| private int mScanIterations; |
| private String mSsid; |
| private String mPassword; |
| private ConnectivityManagerStressTestRunner mRunner; |
| private BufferedWriter mOutputWriter = null; |
| private boolean mWifiOnlyFlag; |
| |
| @Override |
| public void setUp() throws Exception { |
| super.setUp(); |
| |
| mRunner = (ConnectivityManagerStressTestRunner) getInstrumentation(); |
| mReconnectIterations = mRunner.mReconnectIterations; |
| mSsid = mRunner.mReconnectSsid; |
| mPassword = mRunner.mReconnectPassword; |
| mScanIterations = mRunner.mScanIterations; |
| mWifiSleepTime = mRunner.mSleepTime; |
| mWifiOnlyFlag = mRunner.mWifiOnlyFlag; |
| log(String.format("mReconnectIterations(%d), mSsid(%s), mPassword(%s)," |
| + "mScanIterations(%d), mWifiSleepTime(%d)", mReconnectIterations, mSsid, |
| mPassword, mScanIterations, mWifiSleepTime)); |
| mOutputWriter = new BufferedWriter(new FileWriter(new File( |
| Environment.getExternalStorageDirectory(), OUTPUT_FILE), true)); |
| turnScreenOn(); |
| if (!mWifiManager.isWifiEnabled()) { |
| log("Enable wi-fi before stress tests."); |
| if (!enableWifi()) { |
| tearDown(); |
| fail("enable wifi failed."); |
| } |
| sleep(SHORT_TIMEOUT, "Interruped while waiting for wifi on"); |
| } |
| } |
| |
| @Override |
| public void tearDown() throws Exception { |
| log("tearDown()"); |
| if (mOutputWriter != null) { |
| mOutputWriter.close(); |
| } |
| super.tearDown(); |
| } |
| |
| private void writeOutput(String s) { |
| log("write message: " + s); |
| if (mOutputWriter == null) { |
| log("no writer attached to file " + OUTPUT_FILE); |
| return; |
| } |
| try { |
| mOutputWriter.write(s + "\n"); |
| mOutputWriter.flush(); |
| } catch (IOException e) { |
| log("failed to write output."); |
| } |
| } |
| |
| public void log(String message) { |
| Log.v(TAG, message); |
| } |
| |
| private void sleep(long sometime, String errorMsg) { |
| try { |
| Thread.sleep(sometime); |
| } catch (InterruptedException e) { |
| fail(errorMsg); |
| } |
| } |
| |
| /** |
| * Stress Wifi Scanning |
| * TODO: test the scanning quality for each frequency band |
| */ |
| @LargeTest |
| public void testWifiScanning() { |
| int scanTimeSum = 0; |
| int i; |
| int ssidAppearInScanResultsCount = 0; // count times of given ssid appear in scan results. |
| for (i = 0; i < mScanIterations; i++) { |
| log("testWifiScanning: iteration: " + i); |
| int averageScanTime = 0; |
| if (i > 0) { |
| averageScanTime = scanTimeSum/i; |
| } |
| writeOutput(String.format("iteration %d out of %d", |
| i, mScanIterations)); |
| writeOutput(String.format("average scanning time is %d", averageScanTime)); |
| writeOutput(String.format("ssid appear %d out of %d scan iterations", |
| ssidAppearInScanResultsCount, i)); |
| long startTime = SystemClock.uptimeMillis(); |
| scanResultAvailable = false; |
| assertTrue("start scan failed", mWifiManager.startScan()); |
| while (true) { |
| if ((SystemClock.uptimeMillis() - startTime) > |
| WIFI_SCAN_TIMEOUT) { |
| fail("Wifi scanning takes more than " + WIFI_SCAN_TIMEOUT + " ms"); |
| } |
| synchronized(this) { |
| try { |
| wait(WAIT_FOR_SCAN_RESULT); |
| } catch (InterruptedException e) { |
| e.printStackTrace(); |
| } |
| if (scanResultAvailable) { |
| long scanTime = (SystemClock.uptimeMillis() - startTime); |
| scanTimeSum += scanTime; |
| break; |
| } |
| } |
| } |
| if ((mWifiManager.getScanResults() == null) || |
| (mWifiManager.getScanResults().size() <= 0)) { |
| fail("Scan results are empty "); |
| } |
| |
| List<ScanResult> netList = mWifiManager.getScanResults(); |
| if (netList != null) { |
| log("size of scan result list: " + netList.size()); |
| for (int s = 0; s < netList.size(); s++) { |
| ScanResult sr= netList.get(s); |
| log(String.format("scan result for %s is: %s", sr.SSID, sr.toString())); |
| log(String.format("signal level for %s is %d ", sr.SSID, sr.level)); |
| if (sr.SSID.equals(mSsid)) { |
| ssidAppearInScanResultsCount += 1; |
| log("Number of times " + mSsid + " appear in the scan list: " + |
| ssidAppearInScanResultsCount); |
| break; |
| } |
| } |
| } |
| } |
| if (i == mScanIterations) { |
| writeOutput(String.format("iteration %d out of %d", |
| i, mScanIterations)); |
| writeOutput(String.format("average scanning time is %d", scanTimeSum/mScanIterations)); |
| writeOutput(String.format("ssid appear %d out of %d scan iterations", |
| ssidAppearInScanResultsCount, mScanIterations)); |
| } |
| } |
| |
| // Stress Wifi reconnection to secure net after sleep |
| @LargeTest |
| public void testWifiReconnectionAfterSleep() { |
| int value = Settings.Global.getInt(mRunner.getContext().getContentResolver(), |
| Settings.Global.WIFI_SLEEP_POLICY, -1); |
| log("wifi sleep policy is: " + value); |
| if (value != Settings.Global.WIFI_SLEEP_POLICY_DEFAULT) { |
| Settings.Global.putInt(mRunner.getContext().getContentResolver(), |
| Settings.Global.WIFI_SLEEP_POLICY, Settings.Global.WIFI_SLEEP_POLICY_DEFAULT); |
| log("set wifi sleep policy to default value"); |
| } |
| Settings.Global.putLong(mRunner.getContext().getContentResolver(), |
| Settings.Global.WIFI_IDLE_MS, WIFI_IDLE_MS); |
| |
| // Connect to a Wi-Fi network |
| WifiConfiguration config = new WifiConfiguration(); |
| config.SSID = mSsid; |
| config.allowedKeyManagement.set(KeyMgmt.WPA_PSK); |
| if (mPassword.matches("[0-9A-Fa-f]{64}")) { |
| config.preSharedKey = mPassword; |
| } else { |
| config.preSharedKey = '"' + mPassword + '"'; |
| } |
| config.ipAssignment = IpAssignment.DHCP; |
| config.proxySettings = ProxySettings.NONE; |
| |
| assertTrue("Failed to connect to Wi-Fi network: " + mSsid, |
| connectToWifiWithConfiguration(config)); |
| assertTrue(waitForWifiState(WifiManager.WIFI_STATE_ENABLED, |
| SHORT_TIMEOUT)); |
| assertTrue(waitForNetworkState(ConnectivityManager.TYPE_WIFI, State.CONNECTED, |
| WIFI_CONNECTION_TIMEOUT)); |
| // Run ping test to verify the data connection |
| assertTrue("Wi-Fi is connected, but no data connection.", pingTest(null)); |
| |
| int i; |
| long sum = 0; |
| for (i = 0; i < mReconnectIterations; i++) { |
| // 1. Put device into sleep mode |
| // 2. Wait for the device to sleep for sometime, verify wi-fi is off and mobile is on. |
| // 3. Maintain the sleep mode for some time, |
| // 4. Verify the Wi-Fi is still off, and data is on |
| // 5. Wake up the device, verify Wi-Fi is enabled and connected. |
| writeOutput(String.format("iteration %d out of %d", |
| i, mReconnectIterations)); |
| log("iteration: " + i); |
| turnScreenOff(); |
| // Use clock time since boot for intervals. |
| long start = SystemClock.uptimeMillis(); |
| PowerManager pm = |
| (PowerManager)mRunner.getContext().getSystemService(Context.POWER_SERVICE); |
| while (pm.isScreenOn() && ((SystemClock.uptimeMillis() - start) < SCREEN_OFF_TIMER)) { |
| sleep(100, "wait for screen off"); |
| } |
| assertFalse(pm.isScreenOn()); |
| sleep(WIFI_IDLE_MS + WIFI_SHUTDOWN_DELAY, "Interruped while wait for wifi to be idle"); |
| assertTrue("Wait for Wi-Fi to idle timeout", |
| waitForNetworkState(ConnectivityManager.TYPE_WIFI, State.DISCONNECTED, |
| 6 * SHORT_TIMEOUT)); |
| if (!mWifiOnlyFlag) { |
| // use long timeout as the pppd startup may take several retries. |
| assertTrue("Wait for cellular connection timeout", |
| waitForNetworkState(ConnectivityManager.TYPE_MOBILE, State.CONNECTED, |
| 2 * LONG_TIMEOUT)); |
| } |
| sleep(mWifiSleepTime, "Interrupted while device is in sleep mode"); |
| // Verify the wi-fi is still off and data connection is on |
| assertEquals("Wi-Fi is reconnected", State.DISCONNECTED, |
| mCM.getNetworkInfo(ConnectivityManager.TYPE_WIFI).getState()); |
| |
| if (!mWifiOnlyFlag) { |
| assertEquals("Cellular connection is down", State.CONNECTED, |
| mCM.getNetworkInfo(ConnectivityManager.TYPE_MOBILE).getState()); |
| assertTrue("Mobile is connected, but no data connection.", pingTest(null)); |
| } |
| |
| // Turn screen on again |
| turnScreenOn(); |
| // Wait for 2 seconds for the lock screen |
| sleep(2 * 1000, "wait 2 seconds for lock screen"); |
| // Disable lock screen by inject menu key event |
| mRunner.sendKeyDownUpSync(KeyEvent.KEYCODE_MENU); |
| |
| // Measure the time for Wi-Fi to get connected |
| long startTime = SystemClock.uptimeMillis(); |
| assertTrue("Wait for Wi-Fi enable timeout after wake up", |
| waitForWifiState(WifiManager.WIFI_STATE_ENABLED, |
| SHORT_TIMEOUT)); |
| assertTrue("Wait for Wi-Fi connection timeout after wake up", |
| waitForNetworkState(ConnectivityManager.TYPE_WIFI, State.CONNECTED, |
| WIFI_CONNECTION_TIMEOUT)); |
| long connectionTime = SystemClock.uptimeMillis() - startTime; |
| sum += connectionTime; |
| log("average reconnection time is: " + sum/(i+1)); |
| |
| assertTrue("Reconnect to Wi-Fi network, but no data connection.", pingTest(null)); |
| } |
| if (i == mReconnectIterations) { |
| writeOutput(String.format("iteration %d out of %d", |
| i, mReconnectIterations)); |
| } |
| } |
| } |