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/*
* 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;
import android.app.Activity;
import android.content.Context;
import android.content.BroadcastReceiver;
import android.content.Intent;
import android.content.IntentFilter;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.net.NetworkInfo.State;
import android.net.wifi.WifiConfiguration;
import android.net.wifi.WifiManager;
import android.net.wifi.WifiInfo;
import android.net.wifi.ScanResult;
import android.net.wifi.WifiConfiguration.KeyMgmt;
import android.os.Bundle;
import android.os.Handler;
import android.os.IPowerManager;
import android.os.Message;
import android.os.PowerManager;
import android.os.ServiceManager;
import android.os.SystemClock;
import android.provider.Settings;
import android.util.Log;
import android.view.KeyEvent;
import android.widget.LinearLayout;
import com.android.internal.util.AsyncChannel;
import java.io.IOException;
import java.io.InputStream;
import java.net.UnknownHostException;
import java.util.ArrayList;
import java.util.List;
/**
* An activity registered with connectivity manager broadcast
* provides network connectivity information and
* can be used to set device states: Cellular, Wifi, Airplane mode.
*/
public class ConnectivityManagerTestActivity extends Activity {
public static final String LOG_TAG = "ConnectivityManagerTestActivity";
public static final int WAIT_FOR_SCAN_RESULT = 10 * 1000; //10 seconds
public static final int WIFI_SCAN_TIMEOUT = 50 * 1000;
public static final int SHORT_TIMEOUT = 5 * 1000;
public static final long LONG_TIMEOUT = 50 * 1000;
public static final int SUCCESS = 0; // for Wifi tethering state change
public static final int FAILURE = 1;
public static final int INIT = -1;
private static final String ACCESS_POINT_FILE = "accesspoints.xml";
public ConnectivityReceiver mConnectivityReceiver = null;
public WifiReceiver mWifiReceiver = null;
private AccessPointParserHelper mParseHelper = null;
/*
* Track network connectivity information
*/
public State mState;
public NetworkInfo mNetworkInfo;
public NetworkInfo mOtherNetworkInfo;
public boolean mIsFailOver;
public String mReason;
public boolean mScanResultIsAvailable = false;
public ConnectivityManager mCM;
public Object wifiObject = new Object();
public Object connectivityObject = new Object();
public int mWifiState;
public NetworkInfo mWifiNetworkInfo;
public String mBssid;
public String mPowerSsid = "opennet"; //Default power SSID
private Context mContext;
public boolean scanResultAvailable = false;
/*
* Control Wifi States
*/
public WifiManager mWifiManager;
/*
* Verify connectivity state
*/
public static final int NUM_NETWORK_TYPES = ConnectivityManager.MAX_NETWORK_TYPE + 1;
NetworkState[] connectivityState = new NetworkState[NUM_NETWORK_TYPES];
// For wifi tethering tests
private String[] mWifiRegexs;
public int mWifiTetherResult = INIT; // -1 is initialization state
/**
* A wrapper of a broadcast receiver which provides network connectivity information
* for all kinds of network: wifi, mobile, etc.
*/
private class ConnectivityReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
log("ConnectivityReceiver: onReceive() is called with " + intent);
String action = intent.getAction();
if (!action.equals(ConnectivityManager.CONNECTIVITY_ACTION)) {
Log.v("ConnectivityReceiver", "onReceive() called with " + intent);
return;
}
boolean noConnectivity =
intent.getBooleanExtra(ConnectivityManager.EXTRA_NO_CONNECTIVITY, false);
if (noConnectivity) {
mState = State.DISCONNECTED;
} else {
mState = State.CONNECTED;
}
mNetworkInfo = (NetworkInfo)
intent.getParcelableExtra(ConnectivityManager.EXTRA_NETWORK_INFO);
mOtherNetworkInfo = (NetworkInfo)
intent.getParcelableExtra(ConnectivityManager.EXTRA_OTHER_NETWORK_INFO);
mReason = intent.getStringExtra(ConnectivityManager.EXTRA_REASON);
mIsFailOver = intent.getBooleanExtra(ConnectivityManager.EXTRA_IS_FAILOVER, false);
log("mNetworkInfo: " + mNetworkInfo.toString());
if (mOtherNetworkInfo != null) {
log("mOtherNetworkInfo: " + mOtherNetworkInfo.toString());
}
recordNetworkState(mNetworkInfo.getType(), mNetworkInfo.getState());
if (mOtherNetworkInfo != null) {
recordNetworkState(mOtherNetworkInfo.getType(), mOtherNetworkInfo.getState());
}
notifyNetworkConnectivityChange();
}
}
private class WifiReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
Log.v("WifiReceiver", "onReceive() is calleld with " + intent);
if (action.equals(WifiManager.SCAN_RESULTS_AVAILABLE_ACTION)) {
log("scan results are available");
notifyScanResult();
} else if (action.equals(WifiManager.NETWORK_STATE_CHANGED_ACTION)) {
mWifiNetworkInfo =
(NetworkInfo) intent.getParcelableExtra(WifiManager.EXTRA_NETWORK_INFO);
log("mWifiNetworkInfo: " + mWifiNetworkInfo.toString());
if (mWifiNetworkInfo.getState() == State.CONNECTED) {
mBssid = intent.getStringExtra(WifiManager.EXTRA_BSSID);
}
notifyWifiState();
} else if (action.equals(WifiManager.WIFI_STATE_CHANGED_ACTION)) {
mWifiState = intent.getIntExtra(WifiManager.EXTRA_WIFI_STATE,
WifiManager.WIFI_STATE_UNKNOWN);
notifyWifiState();
} else if (action.equals(WifiManager.WIFI_AP_STATE_CHANGED_ACTION)) {
notifyWifiAPState();
} else if (action.equals(ConnectivityManager.ACTION_TETHER_STATE_CHANGED)) {
ArrayList<String> available = intent.getStringArrayListExtra(
ConnectivityManager.EXTRA_AVAILABLE_TETHER);
ArrayList<String> active = intent.getStringArrayListExtra(
ConnectivityManager.EXTRA_ACTIVE_TETHER);
ArrayList<String> errored = intent.getStringArrayListExtra(
ConnectivityManager.EXTRA_ERRORED_TETHER);
updateTetherState(available.toArray(), active.toArray(), errored.toArray());
}
else {
return;
}
}
}
private class WifiServiceHandler extends Handler {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case AsyncChannel.CMD_CHANNEL_HALF_CONNECTED:
if (msg.arg1 == AsyncChannel.STATUS_SUCCESSFUL) {
//AsyncChannel in msg.obj
} else {
log("Failed to establish AsyncChannel connection");
}
break;
default:
//Ignore
break;
}
}
}
public ConnectivityManagerTestActivity() {
mState = State.UNKNOWN;
scanResultAvailable = false;
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
log("onCreate, inst=" + Integer.toHexString(hashCode()));
// Create a simple layout
LinearLayout contentView = new LinearLayout(this);
contentView.setOrientation(LinearLayout.VERTICAL);
setContentView(contentView);
setTitle("ConnectivityManagerTestActivity");
// register a connectivity receiver for CONNECTIVITY_ACTION;
mConnectivityReceiver = new ConnectivityReceiver();
registerReceiver(mConnectivityReceiver,
new IntentFilter(ConnectivityManager.CONNECTIVITY_ACTION));
mWifiReceiver = new WifiReceiver();
IntentFilter mIntentFilter = new IntentFilter();
mIntentFilter.addAction(WifiManager.SCAN_RESULTS_AVAILABLE_ACTION);
mIntentFilter.addAction(WifiManager.NETWORK_STATE_CHANGED_ACTION);
mIntentFilter.addAction(WifiManager.WIFI_STATE_CHANGED_ACTION);
mIntentFilter.addAction(WifiManager.SUPPLICANT_CONNECTION_CHANGE_ACTION);
mIntentFilter.addAction(WifiManager.WIFI_AP_STATE_CHANGED_ACTION);
mIntentFilter.addAction(ConnectivityManager.ACTION_TETHER_STATE_CHANGED);
registerReceiver(mWifiReceiver, mIntentFilter);
// Get an instance of ConnectivityManager
mCM = (ConnectivityManager)getSystemService(Context.CONNECTIVITY_SERVICE);
// Get an instance of WifiManager
mWifiManager =(WifiManager)getSystemService(Context.WIFI_SERVICE);
mWifiManager.asyncConnect(this, new WifiServiceHandler());
initializeNetworkStates();
mWifiManager.setWifiEnabled(true);
log("Clear Wifi before we start the test.");
sleep(SHORT_TIMEOUT);
removeConfiguredNetworksAndDisableWifi();
mWifiRegexs = mCM.getTetherableWifiRegexs();
}
public List<WifiConfiguration> loadNetworkConfigurations() throws Exception {
InputStream in = getAssets().open(ACCESS_POINT_FILE);
mParseHelper = new AccessPointParserHelper(in);
return mParseHelper.getNetworkConfigurations();
}
// for each network type, initialize network states to UNKNOWN, and no verification flag is set
public void initializeNetworkStates() {
for (int networkType = NUM_NETWORK_TYPES - 1; networkType >=0; networkType--) {
connectivityState[networkType] = new NetworkState();
log("Initialize network state for " + networkType + ": " +
connectivityState[networkType].toString());
}
}
// deposit a network state
public void recordNetworkState(int networkType, State networkState) {
log("record network state for network " + networkType +
", state is " + networkState);
connectivityState[networkType].recordState(networkState);
}
// set the state transition criteria
public void setStateTransitionCriteria(int networkType, State initState,
int transitionDir, State targetState) {
connectivityState[networkType].setStateTransitionCriteria(
initState, transitionDir, targetState);
}
// Validate the states recorded
public boolean validateNetworkStates(int networkType) {
log("validate network state for " + networkType + ": ");
return connectivityState[networkType].validateStateTransition();
}
// return result from network state validation
public String getTransitionFailureReason(int networkType) {
log("get network state transition failure reason for " + networkType + ": " +
connectivityState[networkType].toString());
return connectivityState[networkType].getReason();
}
private void notifyNetworkConnectivityChange() {
synchronized(connectivityObject) {
log("notify network connectivity changed");
connectivityObject.notifyAll();
}
}
private void notifyScanResult() {
synchronized (this) {
log("notify that scan results are available");
scanResultAvailable = true;
this.notify();
}
}
private void notifyWifiState() {
synchronized (wifiObject) {
log("notify wifi state changed");
wifiObject.notify();
}
}
private void notifyWifiAPState() {
synchronized (this) {
log("notify wifi AP state changed");
this.notify();
}
}
// Update wifi tethering state
private void updateTetherState(Object[] available, Object[] tethered, Object[] errored) {
boolean wifiTethered = false;
boolean wifiErrored = false;
synchronized (this) {
for (Object obj: tethered) {
String str = (String)obj;
for (String tethRex: mWifiRegexs) {
log("str: " + str +"tethRex: " + tethRex);
if (str.matches(tethRex)) {
wifiTethered = true;
}
}
}
for (Object obj: errored) {
String str = (String)obj;
for (String tethRex: mWifiRegexs) {
log("error: str: " + str +"tethRex: " + tethRex);
if (str.matches(tethRex)) {
wifiErrored = true;
}
}
}
if (wifiTethered) {
mWifiTetherResult = SUCCESS; // wifi tethering is successful
} else if (wifiErrored) {
mWifiTetherResult = FAILURE; // wifi tethering failed
}
log("mWifiTetherResult: " + mWifiTetherResult);
this.notify();
}
}
// Wait for network connectivity state: CONNECTING, CONNECTED, SUSPENDED,
// DISCONNECTING, DISCONNECTED, UNKNOWN
public boolean waitForNetworkState(int networkType, State expectedState, long timeout) {
long startTime = System.currentTimeMillis();
while (true) {
if ((System.currentTimeMillis() - startTime) > timeout) {
log("waitForNetworkState time out, the state of network type " + networkType +
" is: " + mCM.getNetworkInfo(networkType).getState());
if (mCM.getNetworkInfo(networkType).getState() != expectedState) {
return false;
} else {
// the broadcast has been sent out. the state has been changed.
log("networktype: " + networkType + " state: " +
mCM.getNetworkInfo(networkType));
return true;
}
}
log("Wait for the connectivity state for network: " + networkType +
" to be " + expectedState.toString());
synchronized (connectivityObject) {
try {
connectivityObject.wait(SHORT_TIMEOUT);
} catch (InterruptedException e) {
e.printStackTrace();
}
if ((mNetworkInfo.getType() != networkType) ||
(mNetworkInfo.getState() != expectedState)) {
log("network state for " + mNetworkInfo.getType() +
"is: " + mNetworkInfo.getState());
continue;
}
return true;
}
}
}
// Wait for Wifi state: WIFI_STATE_DISABLED, WIFI_STATE_DISABLING, WIFI_STATE_ENABLED,
// WIFI_STATE_ENALBING, WIFI_STATE_UNKNOWN
public boolean waitForWifiState(int expectedState, long timeout) {
long startTime = System.currentTimeMillis();
while (true) {
if ((System.currentTimeMillis() - startTime) > timeout) {
if (mWifiState != expectedState) {
return false;
} else {
return true;
}
}
log("Wait for wifi state to be: " + expectedState);
synchronized (wifiObject) {
try {
wifiObject.wait(SHORT_TIMEOUT);
} catch (InterruptedException e) {
e.printStackTrace();
}
if (mWifiState != expectedState) {
log("Wifi state is: " + mWifiState);
continue;
}
return true;
}
}
}
// Wait for Wifi AP state: WIFI_AP_STATE_DISABLED, WIFI_AP_STATE_DISABLING,
// WIFI_AP_STATE_ENABLED, WIFI_STATE_ENALBING, WIFI_STATE_UNKNOWN
public boolean waitForWifiAPState(int expectedState, long timeout) {
long startTime = System.currentTimeMillis();
while (true) {
if ((System.currentTimeMillis() - startTime) > timeout) {
if (mWifiManager.getWifiApState() != expectedState) {
return false;
} else {
return true;
}
}
log("Wait for wifi AP state to be: " + expectedState);
synchronized (wifiObject) {
try {
wifiObject.wait(SHORT_TIMEOUT);
} catch (InterruptedException e) {
e.printStackTrace();
}
if (mWifiManager.getWifiApState() != expectedState) {
log("Wifi state is: " + mWifiManager.getWifiApState());
continue;
}
return true;
}
}
}
/**
* Wait for the wifi tethering result:
* @param timeout is the maximum waiting time
* @return SUCCESS if tethering result is successful
* FAILURE if tethering result returns error.
*/
public int waitForTetherStateChange(long timeout) {
long startTime = System.currentTimeMillis();
while (true) {
if ((System.currentTimeMillis() - startTime) > timeout) {
return mWifiTetherResult;
}
log("Wait for wifi tethering result.");
synchronized (this) {
try {
this.wait(SHORT_TIMEOUT);
} catch (InterruptedException e) {
e.printStackTrace();
}
if (mWifiTetherResult == INIT ) {
continue;
} else {
return mWifiTetherResult;
}
}
}
}
// Return true if device is currently connected to mobile network
public boolean isConnectedToMobile() {
return (mNetworkInfo.getType() == ConnectivityManager.TYPE_MOBILE);
}
// Return true if device is currently connected to Wifi
public boolean isConnectedToWifi() {
return (mNetworkInfo.getType() == ConnectivityManager.TYPE_WIFI);
}
public boolean enableWifi() {
return mWifiManager.setWifiEnabled(true);
}
// Turn screen off
public void turnScreenOff() {
log("Turn screen off");
PowerManager pm =
(PowerManager) getSystemService(Context.POWER_SERVICE);
pm.goToSleep(SystemClock.uptimeMillis() + 100);
}
// Turn screen on
public void turnScreenOn() {
log("Turn screen on");
IPowerManager mPowerManagerService = IPowerManager.Stub.asInterface(
ServiceManager.getService("power"));;
try {
mPowerManagerService.userActivityWithForce(SystemClock.uptimeMillis(), false, true);
} catch (Exception e) {
log(e.toString());
}
}
/**
* @param pingServerList a list of servers that can be used for ping test, can be null
* @return true if the ping test is successful, false otherwise.
*/
public boolean pingTest(String[] pingServerList) {
boolean result = false;
String[] hostList = {"www.google.com", "www.yahoo.com",
"www.bing.com", "www.facebook.com", "www.ask.com"};
if (pingServerList != null) {
hostList = pingServerList;
}
try {
// assume the chance that all servers are down is very small
for (int i = 0; i < hostList.length; i++ ) {
String host = hostList[i];
log("Start ping test, ping " + host);
Process p = Runtime.getRuntime().exec("ping -c 10 -w 100 " + host);
int status = p.waitFor();
if (status == 0) {
// if any of the ping test is successful, return true
result = true;
break;
} else {
result = false;
log("ping " + host + " failed.");
}
}
} catch (UnknownHostException e) {
log("Ping test Fail: Unknown Host");
} catch (IOException e) {
log("Ping test Fail: IOException");
} catch (InterruptedException e) {
log("Ping test Fail: InterruptedException");
}
log("return");
return result;
}
/**
* Associate the device to given SSID
* If the device is already associated with a WiFi, disconnect and forget it,
* We don't verify whether the connection is successful or not, leave this to the test
*/
public boolean connectToWifi(String knownSSID) {
WifiConfiguration config = new WifiConfiguration();
config.SSID = knownSSID;
config.allowedKeyManagement.set(KeyMgmt.NONE);
return connectToWifiWithConfiguration(config);
}
/**
* Connect to Wi-Fi with the given configuration. Note the SSID in the configuration
* is pure string, we need to convert it to quoted string.
* @param config
* @return
*/
public boolean connectToWifiWithConfiguration(WifiConfiguration config) {
String ssid = config.SSID;
config.SSID = convertToQuotedString(ssid);
//If Wifi is not enabled, enable it
if (!mWifiManager.isWifiEnabled()) {
log("Wifi is not enabled, enable it");
mWifiManager.setWifiEnabled(true);
// wait for the wifi state change before start scanning.
if (!waitForWifiState(WifiManager.WIFI_STATE_ENABLED, 2*SHORT_TIMEOUT)) {
log("wait for WIFI_STATE_ENABLED failed");
return false;
}
}
boolean foundApInScanResults = false;
for (int retry = 0; retry < 5; retry++) {
List<ScanResult> netList = mWifiManager.getScanResults();
if (netList != null) {
log("size of scan result list: " + netList.size());
for (int i = 0; i < netList.size(); i++) {
ScanResult sr= netList.get(i);
if (sr.SSID.equals(ssid)) {
log("found " + ssid + " in the scan result list");
log("retry: " + retry);
foundApInScanResults = true;
mWifiManager.connectNetwork(config);
break;
}
}
}
if (foundApInScanResults) {
return true;
} else {
// Start an active scan
mWifiManager.startScanActive();
mScanResultIsAvailable = false;
long startTime = System.currentTimeMillis();
while (!mScanResultIsAvailable) {
if ((System.currentTimeMillis() - startTime) > WIFI_SCAN_TIMEOUT) {
log("wait for scan results timeout");
return false;
}
// wait for the scan results to be available
synchronized (this) {
// wait for the scan result to be available
try {
this.wait(WAIT_FOR_SCAN_RESULT);
} catch (InterruptedException e) {
e.printStackTrace();
}
if ((mWifiManager.getScanResults() == null) ||
(mWifiManager.getScanResults().size() <= 0)) {
continue;
}
mScanResultIsAvailable = true;
}
}
}
}
return false;
}
/*
* Disconnect from the current AP and remove configured networks.
*/
public boolean disconnectAP() {
// remove saved networks
List<WifiConfiguration> wifiConfigList = mWifiManager.getConfiguredNetworks();
log("size of wifiConfigList: " + wifiConfigList.size());
for (WifiConfiguration wifiConfig: wifiConfigList) {
log("remove wifi configuration: " + wifiConfig.networkId);
int netId = wifiConfig.networkId;
mWifiManager.forgetNetwork(netId);
}
return true;
}
/**
* Disable Wifi
* @return true if Wifi is disabled successfully
*/
public boolean disableWifi() {
return mWifiManager.setWifiEnabled(false);
}
/**
* Remove configured networks and disable wifi
*/
public boolean removeConfiguredNetworksAndDisableWifi() {
if (!disconnectAP()) {
return false;
}
sleep(SHORT_TIMEOUT);
if (!mWifiManager.setWifiEnabled(false)) {
return false;
}
sleep(SHORT_TIMEOUT);
return true;
}
private void sleep(long sleeptime) {
try {
Thread.sleep(sleeptime);
} catch (InterruptedException e) {}
}
/**
* Set airplane mode
*/
public void setAirplaneMode(Context context, boolean enableAM) {
//set the airplane mode
Settings.System.putInt(context.getContentResolver(), Settings.System.AIRPLANE_MODE_ON,
enableAM ? 1 : 0);
// Post the intent
Intent intent = new Intent(Intent.ACTION_AIRPLANE_MODE_CHANGED);
intent.putExtra("state", enableAM);
context.sendBroadcast(intent);
}
protected static String convertToQuotedString(String string) {
return "\"" + string + "\"";
}
@Override
protected void onDestroy() {
super.onDestroy();
//Unregister receiver
if (mConnectivityReceiver != null) {
unregisterReceiver(mConnectivityReceiver);
}
if (mWifiReceiver != null) {
unregisterReceiver(mWifiReceiver);
}
log("onDestroy, inst=" + Integer.toHexString(hashCode()));
}
@Override
public void onStart() {
super.onStart();
mContext = this;
Bundle bundle = this.getIntent().getExtras();
if (bundle != null){
mPowerSsid = bundle.getString("power_ssid");
}
}
//A thread to set the device into airplane mode then turn on wifi.
Thread setDeviceWifiAndAirplaneThread = new Thread(new Runnable() {
public void run() {
setAirplaneMode(mContext, true);
connectToWifi(mPowerSsid);
}
});
//A thread to set the device into wifi
Thread setDeviceInWifiOnlyThread = new Thread(new Runnable() {
public void run() {
connectToWifi(mPowerSsid);
}
});
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
switch (keyCode) {
//This is a tricky way for the scripted monkey to
//set the device in wifi and wifi in airplane mode.
case KeyEvent.KEYCODE_1:
setDeviceWifiAndAirplaneThread.start();
break;
case KeyEvent.KEYCODE_2:
setDeviceInWifiOnlyThread.start();
break;
}
return super.onKeyDown(keyCode, event);
}
private void log(String message) {
Log.v(LOG_TAG, message);
}
}
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