1 /*
2  * Copyright (C) 2009 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.settings.wifi;
18 
19 import android.app.Activity;
20 import android.content.BroadcastReceiver;
21 import android.content.Context;
22 import android.content.Intent;
23 import android.content.IntentFilter;
24 import android.net.NetworkInfo;
25 import android.net.wifi.ScanResult;
26 import android.net.wifi.SupplicantState;
27 import android.net.wifi.WifiConfiguration;
28 import android.net.wifi.WifiInfo;
29 import android.net.wifi.WifiManager;
30 import android.os.Bundle;
31 import android.os.Handler;
32 import android.text.TextUtils;
33 import android.util.Log;
34 import android.view.View;
35 import android.view.View.OnClickListener;
36 import android.widget.Button;
37 import android.widget.TextView;
38 
39 import com.android.settings.R;
40 import com.android.settingslib.wifi.AccessPoint;
41 
42 import java.io.IOException;
43 import java.net.HttpURLConnection;
44 import java.net.URL;
45 import java.net.UnknownHostException;
46 import java.util.List;
47 
48 /**
49  * Show the current status details of Wifi related fields
50  */
51 public class WifiStatusTest extends Activity {
52 
53     private static final String TAG = "WifiStatusTest";
54 
55     private Button updateButton;
56     private TextView mWifiState;
57     private TextView mNetworkState;
58     private TextView mSupplicantState;
59     private TextView mRSSI;
60     private TextView mBSSID;
61     private TextView mSSID;
62     private TextView mHiddenSSID;
63     private TextView mIPAddr;
64     private TextView mMACAddr;
65     private TextView mNetworkId;
66     private TextView mTxLinkSpeed;
67     private TextView mRxLinkSpeed;
68     private TextView mScanList;
69 
70 
71     private TextView mPingHostname;
72     private TextView mHttpClientTest;
73     private Button pingTestButton;
74 
75     private String mPingHostnameResult;
76     private String mHttpClientTestResult;
77 
78 
79     private WifiManager mWifiManager;
80     private IntentFilter mWifiStateFilter;
81 
82 
83     //============================
84     // Activity lifecycle
85     //============================
86 
87     private final BroadcastReceiver mWifiStateReceiver = new BroadcastReceiver() {
88         @Override
89         public void onReceive(Context context, Intent intent) {
90             if (intent.getAction().equals(WifiManager.WIFI_STATE_CHANGED_ACTION)) {
91                 handleWifiStateChanged(intent.getIntExtra(WifiManager.EXTRA_WIFI_STATE,
92                             WifiManager.WIFI_STATE_UNKNOWN));
93             } else if (intent.getAction().equals(WifiManager.NETWORK_STATE_CHANGED_ACTION)) {
94                 handleNetworkStateChanged(
95                         (NetworkInfo) intent.getParcelableExtra(WifiManager.EXTRA_NETWORK_INFO));
96             } else if (intent.getAction().equals(WifiManager.SCAN_RESULTS_AVAILABLE_ACTION)) {
97                 handleScanResultsAvailable();
98             } else if (intent.getAction().equals(WifiManager.SUPPLICANT_CONNECTION_CHANGE_ACTION)) {
99                 /* TODO: handle supplicant connection change later */
100             } else if (intent.getAction().equals(WifiManager.SUPPLICANT_STATE_CHANGED_ACTION)) {
101                 handleSupplicantStateChanged(
102                         (SupplicantState) intent.getParcelableExtra(WifiManager.EXTRA_NEW_STATE),
103                         intent.hasExtra(WifiManager.EXTRA_SUPPLICANT_ERROR),
104                         intent.getIntExtra(WifiManager.EXTRA_SUPPLICANT_ERROR, 0));
105             } else if (intent.getAction().equals(WifiManager.RSSI_CHANGED_ACTION)) {
106                 handleSignalChanged(intent.getIntExtra(WifiManager.EXTRA_NEW_RSSI, 0));
107             } else if (intent.getAction().equals(WifiManager.NETWORK_IDS_CHANGED_ACTION)) {
108                 /* TODO: handle network id change info later */
109             } else {
110                 Log.e(TAG, "Received an unknown Wifi Intent");
111             }
112         }
113     };
114 
115     @Override
onCreate(Bundle savedInstanceState)116     protected void onCreate(Bundle savedInstanceState) {
117         super.onCreate(savedInstanceState);
118 
119         mWifiManager = (WifiManager) getSystemService(WIFI_SERVICE);
120 
121         mWifiStateFilter = new IntentFilter(WifiManager.WIFI_STATE_CHANGED_ACTION);
122         mWifiStateFilter.addAction(WifiManager.NETWORK_STATE_CHANGED_ACTION);
123         mWifiStateFilter.addAction(WifiManager.SCAN_RESULTS_AVAILABLE_ACTION);
124         mWifiStateFilter.addAction(WifiManager.SUPPLICANT_STATE_CHANGED_ACTION);
125         mWifiStateFilter.addAction(WifiManager.RSSI_CHANGED_ACTION);
126         mWifiStateFilter.addAction(WifiManager.WIFI_STATE_CHANGED_ACTION);
127 
128         registerReceiver(mWifiStateReceiver, mWifiStateFilter,
129                 Context.RECEIVER_EXPORTED_UNAUDITED);
130 
131         setContentView(R.layout.wifi_status_test);
132 
133         updateButton = (Button) findViewById(R.id.update);
134         updateButton.setOnClickListener(updateButtonHandler);
135 
136         mWifiState = (TextView) findViewById(R.id.wifi_state);
137         mNetworkState = (TextView) findViewById(R.id.network_state);
138         mSupplicantState = (TextView) findViewById(R.id.supplicant_state);
139         mRSSI = (TextView) findViewById(R.id.rssi);
140         mBSSID = (TextView) findViewById(R.id.bssid);
141         mSSID = (TextView) findViewById(R.id.ssid);
142         mHiddenSSID = (TextView) findViewById(R.id.hidden_ssid);
143         mIPAddr = (TextView) findViewById(R.id.ipaddr);
144         mMACAddr = (TextView) findViewById(R.id.macaddr);
145         mNetworkId = (TextView) findViewById(R.id.networkid);
146         mTxLinkSpeed = (TextView) findViewById(R.id.tx_link_speed);
147         mRxLinkSpeed = (TextView) findViewById(R.id.rx_link_speed);
148         mScanList = (TextView) findViewById(R.id.scan_list);
149 
150 
151         mPingHostname = (TextView) findViewById(R.id.pingHostname);
152         mHttpClientTest = (TextView) findViewById(R.id.httpClientTest);
153 
154         pingTestButton = (Button) findViewById(R.id.ping_test);
155         pingTestButton.setOnClickListener(mPingButtonHandler);
156     }
157 
158     @Override
onResume()159     protected void onResume() {
160         super.onResume();
161         registerReceiver(mWifiStateReceiver, mWifiStateFilter,
162                 Context.RECEIVER_EXPORTED_UNAUDITED);
163     }
164 
165     @Override
onPause()166     protected void onPause() {
167         super.onPause();
168         unregisterReceiver(mWifiStateReceiver);
169     }
170 
171     OnClickListener mPingButtonHandler = new OnClickListener() {
172         public void onClick(View v) {
173             updatePingState();
174         }
175     };
176 
177     OnClickListener updateButtonHandler = new OnClickListener() {
178         public void onClick(View v) {
179             final WifiInfo wifiInfo = mWifiManager.getConnectionInfo();
180 
181             setWifiStateText(mWifiManager.getWifiState());
182             mBSSID.setText(wifiInfo.getBSSID());
183             mHiddenSSID.setText(String.valueOf(wifiInfo.getHiddenSSID()));
184             int ipAddr = wifiInfo.getIpAddress();
185             StringBuffer ipBuf = new StringBuffer();
186             ipBuf.append(ipAddr  & 0xff).append('.').
187                 append((ipAddr >>>= 8) & 0xff).append('.').
188                 append((ipAddr >>>= 8) & 0xff).append('.').
189                 append((ipAddr >>>= 8) & 0xff);
190 
191             mIPAddr.setText(ipBuf);
192             mTxLinkSpeed.setText(String.valueOf(wifiInfo.getTxLinkSpeedMbps())+" Mbps");
193             mRxLinkSpeed.setText(String.valueOf(wifiInfo.getRxLinkSpeedMbps())+" Mbps");
194             mMACAddr.setText(wifiInfo.getMacAddress());
195             mNetworkId.setText(String.valueOf(wifiInfo.getNetworkId()));
196             mRSSI.setText(String.valueOf(wifiInfo.getRssi()));
197             mSSID.setText(wifiInfo.getSSID());
198 
199             SupplicantState supplicantState = wifiInfo.getSupplicantState();
200             setSupplicantStateText(supplicantState);
201         }
202     };
203 
setSupplicantStateText(SupplicantState supplicantState)204     private void setSupplicantStateText(SupplicantState supplicantState) {
205         if(SupplicantState.FOUR_WAY_HANDSHAKE.equals(supplicantState)) {
206             mSupplicantState.setText("FOUR WAY HANDSHAKE");
207         } else if(SupplicantState.ASSOCIATED.equals(supplicantState)) {
208             mSupplicantState.setText("ASSOCIATED");
209         } else if(SupplicantState.ASSOCIATING.equals(supplicantState)) {
210             mSupplicantState.setText("ASSOCIATING");
211         } else if(SupplicantState.COMPLETED.equals(supplicantState)) {
212             mSupplicantState.setText("COMPLETED");
213         } else if(SupplicantState.DISCONNECTED.equals(supplicantState)) {
214             mSupplicantState.setText("DISCONNECTED");
215         } else if(SupplicantState.DORMANT.equals(supplicantState)) {
216             mSupplicantState.setText("DORMANT");
217         } else if(SupplicantState.GROUP_HANDSHAKE.equals(supplicantState)) {
218             mSupplicantState.setText("GROUP HANDSHAKE");
219         } else if(SupplicantState.INACTIVE.equals(supplicantState)) {
220             mSupplicantState.setText("INACTIVE");
221         } else if(SupplicantState.INVALID.equals(supplicantState)) {
222             mSupplicantState.setText("INVALID");
223         } else if(SupplicantState.SCANNING.equals(supplicantState)) {
224             mSupplicantState.setText("SCANNING");
225         } else if(SupplicantState.UNINITIALIZED.equals(supplicantState)) {
226             mSupplicantState.setText("UNINITIALIZED");
227         } else {
228             mSupplicantState.setText("BAD");
229             Log.e(TAG, "supplicant state is bad");
230         }
231     }
232 
setWifiStateText(int wifiState)233     private void setWifiStateText(int wifiState) {
234         String wifiStateString;
235         switch(wifiState) {
236             case WifiManager.WIFI_STATE_DISABLING:
237                 wifiStateString = getString(R.string.wifi_state_disabling);
238                 break;
239             case WifiManager.WIFI_STATE_DISABLED:
240                 wifiStateString = getString(R.string.wifi_state_disabled);
241                 break;
242             case WifiManager.WIFI_STATE_ENABLING:
243                 wifiStateString = getString(R.string.wifi_state_enabling);
244                 break;
245             case WifiManager.WIFI_STATE_ENABLED:
246                 wifiStateString = getString(R.string.wifi_state_enabled);
247                 break;
248             case WifiManager.WIFI_STATE_UNKNOWN:
249                 wifiStateString = getString(R.string.wifi_state_unknown);
250                 break;
251             default:
252                 wifiStateString = "BAD";
253                 Log.e(TAG, "wifi state is bad");
254                 break;
255         }
256 
257         mWifiState.setText(wifiStateString);
258     }
259 
handleSignalChanged(int rssi)260     private void handleSignalChanged(int rssi) {
261         mRSSI.setText(String.valueOf(rssi));
262     }
263 
handleWifiStateChanged(int wifiState)264     private void handleWifiStateChanged(int wifiState) {
265         setWifiStateText(wifiState);
266     }
267 
handleScanResultsAvailable()268     private void handleScanResultsAvailable() {
269         List<ScanResult> list = mWifiManager.getScanResults();
270 
271         StringBuffer scanList = new StringBuffer();
272         if (list != null) {
273             for (int i = list.size() - 1; i >= 0; i--) {
274                 final ScanResult scanResult = list.get(i);
275 
276                 if (scanResult == null) {
277                     continue;
278                 }
279 
280                 if (TextUtils.isEmpty(scanResult.SSID)) {
281                     continue;
282                 }
283 
284                 scanList.append(scanResult.SSID+" ");
285             }
286         }
287         mScanList.setText(scanList);
288     }
289 
handleSupplicantStateChanged(SupplicantState state, boolean hasError, int error)290     private void handleSupplicantStateChanged(SupplicantState state, boolean hasError, int error) {
291         if (hasError) {
292             mSupplicantState.setText("ERROR AUTHENTICATING");
293         } else {
294             setSupplicantStateText(state);
295         }
296     }
297 
handleNetworkStateChanged(NetworkInfo networkInfo)298     private void handleNetworkStateChanged(NetworkInfo networkInfo) {
299         if (mWifiManager.isWifiEnabled()) {
300             WifiInfo info = mWifiManager.getConnectionInfo();
301             String summary = AccessPoint.getSummary(this, info.getSSID(),
302                     networkInfo.getDetailedState(),
303                     info.getNetworkId() == WifiConfiguration.INVALID_NETWORK_ID,
304                     /* suggestionOrSpecifierPackageName */ null);
305             mNetworkState.setText(summary);
306         }
307     }
308 
updatePingState()309     private final void updatePingState() {
310         final Handler handler = new Handler();
311         // Set all to unknown since the threads will take a few secs to update.
312         mPingHostnameResult = getResources().getString(R.string.radioInfo_unknown);
313         mHttpClientTestResult = getResources().getString(R.string.radioInfo_unknown);
314 
315         mPingHostname.setText(mPingHostnameResult);
316         mHttpClientTest.setText(mHttpClientTestResult);
317 
318         final Runnable updatePingResults = new Runnable() {
319             public void run() {
320                 mPingHostname.setText(mPingHostnameResult);
321                 mHttpClientTest.setText(mHttpClientTestResult);
322             }
323         };
324 
325         Thread hostnameThread = new Thread() {
326             @Override
327             public void run() {
328                 pingHostname();
329                 handler.post(updatePingResults);
330             }
331         };
332         hostnameThread.start();
333 
334         Thread httpClientThread = new Thread() {
335             @Override
336             public void run() {
337                 httpClientTest();
338                 handler.post(updatePingResults);
339             }
340         };
341         httpClientThread.start();
342     }
343 
pingHostname()344     private final void pingHostname() {
345         try {
346             // TODO: Hardcoded for now, make it UI configurable
347             Process p = Runtime.getRuntime().exec("ping -c 1 -w 100 www.google.com");
348             int status = p.waitFor();
349             if (status == 0) {
350                 mPingHostnameResult = "Pass";
351             } else {
352                 mPingHostnameResult = "Fail: Host unreachable";
353             }
354         } catch (UnknownHostException e) {
355             mPingHostnameResult = "Fail: Unknown Host";
356         } catch (IOException e) {
357             mPingHostnameResult= "Fail: IOException";
358         } catch (InterruptedException e) {
359             mPingHostnameResult = "Fail: InterruptedException";
360         }
361     }
362 
httpClientTest()363     private void httpClientTest() {
364         HttpURLConnection urlConnection = null;
365         try {
366             // TODO: Hardcoded for now, make it UI configurable
367             URL url = new URL("https://www.google.com");
368             urlConnection = (HttpURLConnection) url.openConnection();
369             if (urlConnection.getResponseCode() == 200) {
370                 mHttpClientTestResult = "Pass";
371             } else {
372                 mHttpClientTestResult = "Fail: Code: " + urlConnection.getResponseMessage();
373             }
374         } catch (IOException e) {
375             mHttpClientTestResult = "Fail: IOException";
376         } finally {
377             if (urlConnection != null) {
378                 urlConnection.disconnect();
379             }
380         }
381     }
382 
383 }
384