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 /**
50  * Show the current status details of Wifi related fields
51  */
52 public class WifiStatusTest extends Activity {
53 
54     private static final String TAG = "WifiStatusTest";
55 
56     private Button updateButton;
57     private TextView mWifiState;
58     private TextView mNetworkState;
59     private TextView mSupplicantState;
60     private TextView mRSSI;
61     private TextView mBSSID;
62     private TextView mSSID;
63     private TextView mHiddenSSID;
64     private TextView mIPAddr;
65     private TextView mMACAddr;
66     private TextView mNetworkId;
67     private TextView mLinkSpeed;
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 
130         setContentView(R.layout.wifi_status_test);
131 
132         updateButton = (Button) findViewById(R.id.update);
133         updateButton.setOnClickListener(updateButtonHandler);
134 
135         mWifiState = (TextView) findViewById(R.id.wifi_state);
136         mNetworkState = (TextView) findViewById(R.id.network_state);
137         mSupplicantState = (TextView) findViewById(R.id.supplicant_state);
138         mRSSI = (TextView) findViewById(R.id.rssi);
139         mBSSID = (TextView) findViewById(R.id.bssid);
140         mSSID = (TextView) findViewById(R.id.ssid);
141         mHiddenSSID = (TextView) findViewById(R.id.hidden_ssid);
142         mIPAddr = (TextView) findViewById(R.id.ipaddr);
143         mMACAddr = (TextView) findViewById(R.id.macaddr);
144         mNetworkId = (TextView) findViewById(R.id.networkid);
145         mLinkSpeed = (TextView) findViewById(R.id.link_speed);
146         mScanList = (TextView) findViewById(R.id.scan_list);
147 
148 
149         mPingHostname = (TextView) findViewById(R.id.pingHostname);
150         mHttpClientTest = (TextView) findViewById(R.id.httpClientTest);
151 
152         pingTestButton = (Button) findViewById(R.id.ping_test);
153         pingTestButton.setOnClickListener(mPingButtonHandler);
154     }
155 
156     @Override
onResume()157     protected void onResume() {
158         super.onResume();
159         registerReceiver(mWifiStateReceiver, mWifiStateFilter);
160     }
161 
162     @Override
onPause()163     protected void onPause() {
164         super.onPause();
165         unregisterReceiver(mWifiStateReceiver);
166     }
167 
168     OnClickListener mPingButtonHandler = new OnClickListener() {
169         public void onClick(View v) {
170             updatePingState();
171         }
172     };
173 
174     OnClickListener updateButtonHandler = new OnClickListener() {
175         public void onClick(View v) {
176             final WifiInfo wifiInfo = mWifiManager.getConnectionInfo();
177 
178             setWifiStateText(mWifiManager.getWifiState());
179             mBSSID.setText(wifiInfo.getBSSID());
180             mHiddenSSID.setText(String.valueOf(wifiInfo.getHiddenSSID()));
181             int ipAddr = wifiInfo.getIpAddress();
182             StringBuffer ipBuf = new StringBuffer();
183             ipBuf.append(ipAddr  & 0xff).append('.').
184                 append((ipAddr >>>= 8) & 0xff).append('.').
185                 append((ipAddr >>>= 8) & 0xff).append('.').
186                 append((ipAddr >>>= 8) & 0xff);
187 
188             mIPAddr.setText(ipBuf);
189             mLinkSpeed.setText(String.valueOf(wifiInfo.getLinkSpeed())+" Mbps");
190             mMACAddr.setText(wifiInfo.getMacAddress());
191             mNetworkId.setText(String.valueOf(wifiInfo.getNetworkId()));
192             mRSSI.setText(String.valueOf(wifiInfo.getRssi()));
193             mSSID.setText(wifiInfo.getSSID());
194 
195             SupplicantState supplicantState = wifiInfo.getSupplicantState();
196             setSupplicantStateText(supplicantState);
197         }
198     };
199 
setSupplicantStateText(SupplicantState supplicantState)200     private void setSupplicantStateText(SupplicantState supplicantState) {
201         if(SupplicantState.FOUR_WAY_HANDSHAKE.equals(supplicantState)) {
202             mSupplicantState.setText("FOUR WAY HANDSHAKE");
203         } else if(SupplicantState.ASSOCIATED.equals(supplicantState)) {
204             mSupplicantState.setText("ASSOCIATED");
205         } else if(SupplicantState.ASSOCIATING.equals(supplicantState)) {
206             mSupplicantState.setText("ASSOCIATING");
207         } else if(SupplicantState.COMPLETED.equals(supplicantState)) {
208             mSupplicantState.setText("COMPLETED");
209         } else if(SupplicantState.DISCONNECTED.equals(supplicantState)) {
210             mSupplicantState.setText("DISCONNECTED");
211         } else if(SupplicantState.DORMANT.equals(supplicantState)) {
212             mSupplicantState.setText("DORMANT");
213         } else if(SupplicantState.GROUP_HANDSHAKE.equals(supplicantState)) {
214             mSupplicantState.setText("GROUP HANDSHAKE");
215         } else if(SupplicantState.INACTIVE.equals(supplicantState)) {
216             mSupplicantState.setText("INACTIVE");
217         } else if(SupplicantState.INVALID.equals(supplicantState)) {
218             mSupplicantState.setText("INVALID");
219         } else if(SupplicantState.SCANNING.equals(supplicantState)) {
220             mSupplicantState.setText("SCANNING");
221         } else if(SupplicantState.UNINITIALIZED.equals(supplicantState)) {
222             mSupplicantState.setText("UNINITIALIZED");
223         } else {
224             mSupplicantState.setText("BAD");
225             Log.e(TAG, "supplicant state is bad");
226         }
227     }
228 
setWifiStateText(int wifiState)229     private void setWifiStateText(int wifiState) {
230         String wifiStateString;
231         switch(wifiState) {
232             case WifiManager.WIFI_STATE_DISABLING:
233                 wifiStateString = getString(R.string.wifi_state_disabling);
234                 break;
235             case WifiManager.WIFI_STATE_DISABLED:
236                 wifiStateString = getString(R.string.wifi_state_disabled);
237                 break;
238             case WifiManager.WIFI_STATE_ENABLING:
239                 wifiStateString = getString(R.string.wifi_state_enabling);
240                 break;
241             case WifiManager.WIFI_STATE_ENABLED:
242                 wifiStateString = getString(R.string.wifi_state_enabled);
243                 break;
244             case WifiManager.WIFI_STATE_UNKNOWN:
245                 wifiStateString = getString(R.string.wifi_state_unknown);
246                 break;
247             default:
248                 wifiStateString = "BAD";
249                 Log.e(TAG, "wifi state is bad");
250                 break;
251         }
252 
253         mWifiState.setText(wifiStateString);
254     }
255 
handleSignalChanged(int rssi)256     private void handleSignalChanged(int rssi) {
257         mRSSI.setText(String.valueOf(rssi));
258     }
259 
handleWifiStateChanged(int wifiState)260     private void handleWifiStateChanged(int wifiState) {
261         setWifiStateText(wifiState);
262     }
263 
handleScanResultsAvailable()264     private void handleScanResultsAvailable() {
265         List<ScanResult> list = mWifiManager.getScanResults();
266 
267         StringBuffer scanList = new StringBuffer();
268         if (list != null) {
269             for (int i = list.size() - 1; i >= 0; i--) {
270                 final ScanResult scanResult = list.get(i);
271 
272                 if (scanResult == null) {
273                     continue;
274                 }
275 
276                 if (TextUtils.isEmpty(scanResult.SSID)) {
277                     continue;
278                 }
279 
280                 scanList.append(scanResult.SSID+" ");
281             }
282         }
283         mScanList.setText(scanList);
284     }
285 
handleSupplicantStateChanged(SupplicantState state, boolean hasError, int error)286     private void handleSupplicantStateChanged(SupplicantState state, boolean hasError, int error) {
287         if (hasError) {
288             mSupplicantState.setText("ERROR AUTHENTICATING");
289         } else {
290             setSupplicantStateText(state);
291         }
292     }
293 
handleNetworkStateChanged(NetworkInfo networkInfo)294     private void handleNetworkStateChanged(NetworkInfo networkInfo) {
295         if (mWifiManager.isWifiEnabled()) {
296             WifiInfo info = mWifiManager.getConnectionInfo();
297             String summary = AccessPoint.getSummary(this, info.getSSID(),
298                     networkInfo.getDetailedState(),
299                     info.getNetworkId() == WifiConfiguration.INVALID_NETWORK_ID, null);
300             mNetworkState.setText(summary);
301         }
302     }
303 
updatePingState()304     private final void updatePingState() {
305         final Handler handler = new Handler();
306         // Set all to unknown since the threads will take a few secs to update.
307         mPingHostnameResult = getResources().getString(R.string.radioInfo_unknown);
308         mHttpClientTestResult = getResources().getString(R.string.radioInfo_unknown);
309 
310         mPingHostname.setText(mPingHostnameResult);
311         mHttpClientTest.setText(mHttpClientTestResult);
312 
313         final Runnable updatePingResults = new Runnable() {
314             public void run() {
315                 mPingHostname.setText(mPingHostnameResult);
316                 mHttpClientTest.setText(mHttpClientTestResult);
317             }
318         };
319 
320         Thread hostnameThread = new Thread() {
321             @Override
322             public void run() {
323                 pingHostname();
324                 handler.post(updatePingResults);
325             }
326         };
327         hostnameThread.start();
328 
329         Thread httpClientThread = new Thread() {
330             @Override
331             public void run() {
332                 httpClientTest();
333                 handler.post(updatePingResults);
334             }
335         };
336         httpClientThread.start();
337     }
338 
pingHostname()339     private final void pingHostname() {
340         try {
341             // TODO: Hardcoded for now, make it UI configurable
342             Process p = Runtime.getRuntime().exec("ping -c 1 -w 100 www.google.com");
343             int status = p.waitFor();
344             if (status == 0) {
345                 mPingHostnameResult = "Pass";
346             } else {
347                 mPingHostnameResult = "Fail: Host unreachable";
348             }
349         } catch (UnknownHostException e) {
350             mPingHostnameResult = "Fail: Unknown Host";
351         } catch (IOException e) {
352             mPingHostnameResult= "Fail: IOException";
353         } catch (InterruptedException e) {
354             mPingHostnameResult = "Fail: InterruptedException";
355         }
356     }
357 
httpClientTest()358     private void httpClientTest() {
359         HttpURLConnection urlConnection = null;
360         try {
361             // TODO: Hardcoded for now, make it UI configurable
362             URL url = new URL("https://www.google.com");
363             urlConnection = (HttpURLConnection) url.openConnection();
364             if (urlConnection.getResponseCode() == 200) {
365                 mHttpClientTestResult = "Pass";
366             } else {
367                 mHttpClientTestResult = "Fail: Code: " + urlConnection.getResponseMessage();
368             }
369         } catch (IOException e) {
370             mHttpClientTestResult = "Fail: IOException";
371         } finally {
372             if (urlConnection != null) {
373                 urlConnection.disconnect();
374             }
375         }
376     }
377 
378 }
379