The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2008 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.server; |
| 18 | |
| 19 | import android.app.Notification; |
| 20 | import android.app.NotificationManager; |
| 21 | import android.content.ContentResolver; |
| 22 | import android.content.Context; |
| 23 | import android.content.Intent; |
| 24 | import android.content.pm.PackageManager; |
| 25 | import android.net.ConnectivityManager; |
| 26 | import android.net.IConnectivityManager; |
| 27 | import android.net.MobileDataStateTracker; |
| 28 | import android.net.NetworkInfo; |
| 29 | import android.net.NetworkStateTracker; |
| 30 | import android.net.wifi.WifiStateTracker; |
| 31 | import android.os.Binder; |
| 32 | import android.os.Handler; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 33 | import android.os.IBinder; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 34 | import android.os.Looper; |
| 35 | import android.os.Message; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 36 | import android.os.RemoteException; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 37 | import android.os.ServiceManager; |
| 38 | import android.os.SystemProperties; |
| 39 | import android.provider.Settings; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 40 | import android.text.TextUtils; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 41 | import android.util.EventLog; |
| 42 | import android.util.Log; |
| 43 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 44 | import com.android.internal.telephony.Phone; |
| 45 | |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 46 | import com.android.server.connectivity.Tethering; |
| 47 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 48 | import java.io.FileDescriptor; |
| 49 | import java.io.PrintWriter; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 50 | import java.util.ArrayList; |
| 51 | import java.util.List; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 52 | |
| 53 | /** |
| 54 | * @hide |
| 55 | */ |
| 56 | public class ConnectivityService extends IConnectivityManager.Stub { |
| 57 | |
Robert Greenwalt | d8df149 | 2009-10-06 14:12:53 -0700 | [diff] [blame] | 58 | private static final boolean DBG = true; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 59 | private static final String TAG = "ConnectivityService"; |
| 60 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 61 | // how long to wait before switching back to a radio's default network |
| 62 | private static final int RESTORE_DEFAULT_NETWORK_DELAY = 1 * 60 * 1000; |
| 63 | // system property that can override the above value |
| 64 | private static final String NETWORK_RESTORE_DELAY_PROP_NAME = |
| 65 | "android.telephony.apn-restore"; |
| 66 | |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 67 | |
| 68 | private Tethering mTethering; |
| 69 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 70 | /** |
| 71 | * Sometimes we want to refer to the individual network state |
| 72 | * trackers separately, and sometimes we just want to treat them |
| 73 | * abstractly. |
| 74 | */ |
| 75 | private NetworkStateTracker mNetTrackers[]; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 76 | |
| 77 | /** |
| 78 | * A per Net list of the PID's that requested access to the net |
| 79 | * used both as a refcount and for per-PID DNS selection |
| 80 | */ |
| 81 | private List mNetRequestersPids[]; |
| 82 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 83 | private WifiWatchdogService mWifiWatchdogService; |
| 84 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 85 | // priority order of the nettrackers |
| 86 | // (excluding dynamically set mNetworkPreference) |
| 87 | // TODO - move mNetworkTypePreference into this |
| 88 | private int[] mPriorityList; |
| 89 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 90 | private Context mContext; |
| 91 | private int mNetworkPreference; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 92 | private int mActiveDefaultNetwork = -1; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 93 | |
| 94 | private int mNumDnsEntries; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 95 | |
| 96 | private boolean mTestMode; |
| 97 | private static ConnectivityService sServiceInstance; |
| 98 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 99 | private Handler mHandler; |
| 100 | |
| 101 | // list of DeathRecipients used to make sure features are turned off when |
| 102 | // a process dies |
| 103 | private List mFeatureUsers; |
| 104 | |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 105 | private boolean mSystemReady; |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 106 | private Intent mInitialBroadcast; |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 107 | |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 108 | private static class NetworkAttributes { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 109 | /** |
| 110 | * Class for holding settings read from resources. |
| 111 | */ |
| 112 | public String mName; |
| 113 | public int mType; |
| 114 | public int mRadio; |
| 115 | public int mPriority; |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 116 | public NetworkInfo.State mLastState; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 117 | public NetworkAttributes(String init) { |
| 118 | String fragments[] = init.split(","); |
| 119 | mName = fragments[0].toLowerCase(); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 120 | mType = Integer.parseInt(fragments[1]); |
| 121 | mRadio = Integer.parseInt(fragments[2]); |
| 122 | mPriority = Integer.parseInt(fragments[3]); |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 123 | mLastState = NetworkInfo.State.UNKNOWN; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 124 | } |
| 125 | public boolean isDefault() { |
| 126 | return (mType == mRadio); |
| 127 | } |
| 128 | } |
| 129 | NetworkAttributes[] mNetAttributes; |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 130 | int mNetworksDefined; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 131 | |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 132 | private static class RadioAttributes { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 133 | public int mSimultaneity; |
| 134 | public int mType; |
| 135 | public RadioAttributes(String init) { |
| 136 | String fragments[] = init.split(","); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 137 | mType = Integer.parseInt(fragments[0]); |
| 138 | mSimultaneity = Integer.parseInt(fragments[1]); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 139 | } |
| 140 | } |
| 141 | RadioAttributes[] mRadioAttributes; |
| 142 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 143 | private static class ConnectivityThread extends Thread { |
| 144 | private Context mContext; |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 145 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 146 | private ConnectivityThread(Context context) { |
| 147 | super("ConnectivityThread"); |
| 148 | mContext = context; |
| 149 | } |
| 150 | |
| 151 | @Override |
| 152 | public void run() { |
| 153 | Looper.prepare(); |
| 154 | synchronized (this) { |
| 155 | sServiceInstance = new ConnectivityService(mContext); |
| 156 | notifyAll(); |
| 157 | } |
| 158 | Looper.loop(); |
| 159 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 160 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 161 | public static ConnectivityService getServiceInstance(Context context) { |
| 162 | ConnectivityThread thread = new ConnectivityThread(context); |
| 163 | thread.start(); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 164 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 165 | synchronized (thread) { |
| 166 | while (sServiceInstance == null) { |
| 167 | try { |
| 168 | // Wait until sServiceInstance has been initialized. |
| 169 | thread.wait(); |
| 170 | } catch (InterruptedException ignore) { |
| 171 | Log.e(TAG, |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 172 | "Unexpected InterruptedException while waiting"+ |
| 173 | " for ConnectivityService thread"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 174 | } |
| 175 | } |
| 176 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 177 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 178 | return sServiceInstance; |
| 179 | } |
| 180 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 181 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 182 | public static ConnectivityService getInstance(Context context) { |
| 183 | return ConnectivityThread.getServiceInstance(context); |
| 184 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 185 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 186 | private ConnectivityService(Context context) { |
| 187 | if (DBG) Log.v(TAG, "ConnectivityService starting up"); |
Robert Greenwalt | de8383c | 2010-01-14 17:47:58 -0800 | [diff] [blame] | 188 | |
| 189 | // setup our unique device name |
| 190 | String id = Settings.Secure.getString(context.getContentResolver(), |
| 191 | Settings.Secure.ANDROID_ID); |
| 192 | if (id != null && id.length() > 0) { |
| 193 | String name = new String("android_").concat(id); |
| 194 | SystemProperties.set("net.hostname", name); |
| 195 | } |
| 196 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 197 | mContext = context; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 198 | mNetTrackers = new NetworkStateTracker[ |
| 199 | ConnectivityManager.MAX_NETWORK_TYPE+1]; |
| 200 | mHandler = new MyHandler(); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 201 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 202 | mNetworkPreference = getPersistedNetworkPreference(); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 203 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 204 | mRadioAttributes = new RadioAttributes[ConnectivityManager.MAX_RADIO_TYPE+1]; |
| 205 | mNetAttributes = new NetworkAttributes[ConnectivityManager.MAX_NETWORK_TYPE+1]; |
| 206 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 207 | // Load device network attributes from resources |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 208 | String[] raStrings = context.getResources().getStringArray( |
| 209 | com.android.internal.R.array.radioAttributes); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 210 | for (String raString : raStrings) { |
| 211 | RadioAttributes r = new RadioAttributes(raString); |
| 212 | if (r.mType > ConnectivityManager.MAX_RADIO_TYPE) { |
| 213 | Log.e(TAG, "Error in radioAttributes - ignoring attempt to define type " + r.mType); |
| 214 | continue; |
| 215 | } |
| 216 | if (mRadioAttributes[r.mType] != null) { |
| 217 | Log.e(TAG, "Error in radioAttributes - ignoring attempt to redefine type " + |
| 218 | r.mType); |
| 219 | continue; |
| 220 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 221 | mRadioAttributes[r.mType] = r; |
| 222 | } |
| 223 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 224 | String[] naStrings = context.getResources().getStringArray( |
| 225 | com.android.internal.R.array.networkAttributes); |
| 226 | for (String naString : naStrings) { |
| 227 | try { |
| 228 | NetworkAttributes n = new NetworkAttributes(naString); |
| 229 | if (n.mType > ConnectivityManager.MAX_NETWORK_TYPE) { |
| 230 | Log.e(TAG, "Error in networkAttributes - ignoring attempt to define type " + |
| 231 | n.mType); |
| 232 | continue; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 233 | } |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 234 | if (mNetAttributes[n.mType] != null) { |
| 235 | Log.e(TAG, "Error in networkAttributes - ignoring attempt to redefine type " + |
| 236 | n.mType); |
| 237 | continue; |
| 238 | } |
| 239 | if (mRadioAttributes[n.mRadio] == null) { |
| 240 | Log.e(TAG, "Error in networkAttributes - ignoring attempt to use undefined " + |
| 241 | "radio " + n.mRadio + " in network type " + n.mType); |
| 242 | continue; |
| 243 | } |
| 244 | mNetAttributes[n.mType] = n; |
| 245 | mNetworksDefined++; |
| 246 | } catch(Exception e) { |
| 247 | // ignore it - leave the entry null |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 248 | } |
| 249 | } |
| 250 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 251 | // high priority first |
| 252 | mPriorityList = new int[mNetworksDefined]; |
| 253 | { |
| 254 | int insertionPoint = mNetworksDefined-1; |
| 255 | int currentLowest = 0; |
| 256 | int nextLowest = 0; |
| 257 | while (insertionPoint > -1) { |
| 258 | for (NetworkAttributes na : mNetAttributes) { |
| 259 | if (na == null) continue; |
| 260 | if (na.mPriority < currentLowest) continue; |
| 261 | if (na.mPriority > currentLowest) { |
| 262 | if (na.mPriority < nextLowest || nextLowest == 0) { |
| 263 | nextLowest = na.mPriority; |
| 264 | } |
| 265 | continue; |
| 266 | } |
| 267 | mPriorityList[insertionPoint--] = na.mType; |
| 268 | } |
| 269 | currentLowest = nextLowest; |
| 270 | nextLowest = 0; |
| 271 | } |
| 272 | } |
| 273 | |
| 274 | mNetRequestersPids = new ArrayList[ConnectivityManager.MAX_NETWORK_TYPE+1]; |
| 275 | for (int i : mPriorityList) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 276 | mNetRequestersPids[i] = new ArrayList(); |
| 277 | } |
| 278 | |
| 279 | mFeatureUsers = new ArrayList(); |
| 280 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 281 | mNumDnsEntries = 0; |
| 282 | |
| 283 | mTestMode = SystemProperties.get("cm.test.mode").equals("true") |
| 284 | && SystemProperties.get("ro.build.type").equals("eng"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 285 | /* |
| 286 | * Create the network state trackers for Wi-Fi and mobile |
| 287 | * data. Maybe this could be done with a factory class, |
| 288 | * but it's not clear that it's worth it, given that |
| 289 | * the number of different network types is not going |
| 290 | * to change very often. |
| 291 | */ |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 292 | boolean noMobileData = !getMobileDataEnabled(); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 293 | for (int netType : mPriorityList) { |
| 294 | switch (mNetAttributes[netType].mRadio) { |
| 295 | case ConnectivityManager.TYPE_WIFI: |
| 296 | if (DBG) Log.v(TAG, "Starting Wifi Service."); |
| 297 | WifiStateTracker wst = new WifiStateTracker(context, mHandler); |
| 298 | WifiService wifiService = new WifiService(context, wst); |
| 299 | ServiceManager.addService(Context.WIFI_SERVICE, wifiService); |
| 300 | mNetTrackers[ConnectivityManager.TYPE_WIFI] = wst; |
| 301 | wst.startMonitoring(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 302 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 303 | // Constructing this starts it too |
| 304 | mWifiWatchdogService = new WifiWatchdogService(context, wst); |
| 305 | break; |
| 306 | case ConnectivityManager.TYPE_MOBILE: |
| 307 | mNetTrackers[netType] = new MobileDataStateTracker(context, mHandler, |
| 308 | netType, mNetAttributes[netType].mName); |
| 309 | mNetTrackers[netType].startMonitoring(); |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 310 | if (noMobileData) { |
| 311 | if (DBG) Log.d(TAG, "tearing down Mobile networks due to setting"); |
| 312 | mNetTrackers[netType].teardown(); |
| 313 | } |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 314 | break; |
| 315 | default: |
| 316 | Log.e(TAG, "Trying to create a DataStateTracker for an unknown radio type " + |
| 317 | mNetAttributes[netType].mRadio); |
| 318 | continue; |
| 319 | } |
| 320 | } |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 321 | |
| 322 | mTethering = new Tethering(mContext); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 323 | } |
| 324 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 325 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 326 | /** |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 327 | * Sets the preferred network. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 328 | * @param preference the new preference |
| 329 | */ |
| 330 | public synchronized void setNetworkPreference(int preference) { |
| 331 | enforceChangePermission(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 332 | if (ConnectivityManager.isNetworkTypeValid(preference) && |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 333 | mNetAttributes[preference] != null && |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 334 | mNetAttributes[preference].isDefault()) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 335 | if (mNetworkPreference != preference) { |
| 336 | persistNetworkPreference(preference); |
| 337 | mNetworkPreference = preference; |
| 338 | enforcePreference(); |
| 339 | } |
| 340 | } |
| 341 | } |
| 342 | |
| 343 | public int getNetworkPreference() { |
| 344 | enforceAccessPermission(); |
| 345 | return mNetworkPreference; |
| 346 | } |
| 347 | |
| 348 | private void persistNetworkPreference(int networkPreference) { |
| 349 | final ContentResolver cr = mContext.getContentResolver(); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 350 | Settings.Secure.putInt(cr, Settings.Secure.NETWORK_PREFERENCE, |
| 351 | networkPreference); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 352 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 353 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 354 | private int getPersistedNetworkPreference() { |
| 355 | final ContentResolver cr = mContext.getContentResolver(); |
| 356 | |
| 357 | final int networkPrefSetting = Settings.Secure |
| 358 | .getInt(cr, Settings.Secure.NETWORK_PREFERENCE, -1); |
| 359 | if (networkPrefSetting != -1) { |
| 360 | return networkPrefSetting; |
| 361 | } |
| 362 | |
| 363 | return ConnectivityManager.DEFAULT_NETWORK_PREFERENCE; |
| 364 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 365 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 366 | /** |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 367 | * Make the state of network connectivity conform to the preference settings |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 368 | * In this method, we only tear down a non-preferred network. Establishing |
| 369 | * a connection to the preferred network is taken care of when we handle |
| 370 | * the disconnect event from the non-preferred network |
| 371 | * (see {@link #handleDisconnect(NetworkInfo)}). |
| 372 | */ |
| 373 | private void enforcePreference() { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 374 | if (mNetTrackers[mNetworkPreference].getNetworkInfo().isConnected()) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 375 | return; |
| 376 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 377 | if (!mNetTrackers[mNetworkPreference].isAvailable()) |
| 378 | return; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 379 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 380 | for (int t=0; t <= ConnectivityManager.MAX_RADIO_TYPE; t++) { |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 381 | if (t != mNetworkPreference && mNetTrackers[t] != null && |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 382 | mNetTrackers[t].getNetworkInfo().isConnected()) { |
Robert Greenwalt | ec9fe46 | 2009-08-20 15:25:14 -0700 | [diff] [blame] | 383 | if (DBG) { |
| 384 | Log.d(TAG, "tearing down " + |
| 385 | mNetTrackers[t].getNetworkInfo() + |
| 386 | " in enforcePreference"); |
| 387 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 388 | teardown(mNetTrackers[t]); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 389 | } |
| 390 | } |
| 391 | } |
| 392 | |
| 393 | private boolean teardown(NetworkStateTracker netTracker) { |
| 394 | if (netTracker.teardown()) { |
| 395 | netTracker.setTeardownRequested(true); |
| 396 | return true; |
| 397 | } else { |
| 398 | return false; |
| 399 | } |
| 400 | } |
| 401 | |
| 402 | /** |
| 403 | * Return NetworkInfo for the active (i.e., connected) network interface. |
| 404 | * It is assumed that at most one network is active at a time. If more |
| 405 | * than one is active, it is indeterminate which will be returned. |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 406 | * @return the info for the active network, or {@code null} if none is |
| 407 | * active |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 408 | */ |
| 409 | public NetworkInfo getActiveNetworkInfo() { |
| 410 | enforceAccessPermission(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 411 | for (int type=0; type <= ConnectivityManager.MAX_NETWORK_TYPE; type++) { |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 412 | if (mNetAttributes[type] == null || !mNetAttributes[type].isDefault()) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 413 | continue; |
| 414 | } |
| 415 | NetworkStateTracker t = mNetTrackers[type]; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 416 | NetworkInfo info = t.getNetworkInfo(); |
| 417 | if (info.isConnected()) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 418 | if (DBG && type != mActiveDefaultNetwork) Log.e(TAG, |
| 419 | "connected default network is not " + |
| 420 | "mActiveDefaultNetwork!"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 421 | return info; |
| 422 | } |
| 423 | } |
| 424 | return null; |
| 425 | } |
| 426 | |
| 427 | public NetworkInfo getNetworkInfo(int networkType) { |
| 428 | enforceAccessPermission(); |
| 429 | if (ConnectivityManager.isNetworkTypeValid(networkType)) { |
| 430 | NetworkStateTracker t = mNetTrackers[networkType]; |
| 431 | if (t != null) |
| 432 | return t.getNetworkInfo(); |
| 433 | } |
| 434 | return null; |
| 435 | } |
| 436 | |
| 437 | public NetworkInfo[] getAllNetworkInfo() { |
| 438 | enforceAccessPermission(); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 439 | NetworkInfo[] result = new NetworkInfo[mNetworksDefined]; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 440 | int i = 0; |
| 441 | for (NetworkStateTracker t : mNetTrackers) { |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 442 | if(t != null) result[i++] = t.getNetworkInfo(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 443 | } |
| 444 | return result; |
| 445 | } |
| 446 | |
| 447 | public boolean setRadios(boolean turnOn) { |
| 448 | boolean result = true; |
| 449 | enforceChangePermission(); |
| 450 | for (NetworkStateTracker t : mNetTrackers) { |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 451 | if (t != null) result = t.setRadio(turnOn) && result; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 452 | } |
| 453 | return result; |
| 454 | } |
| 455 | |
| 456 | public boolean setRadio(int netType, boolean turnOn) { |
| 457 | enforceChangePermission(); |
| 458 | if (!ConnectivityManager.isNetworkTypeValid(netType)) { |
| 459 | return false; |
| 460 | } |
| 461 | NetworkStateTracker tracker = mNetTrackers[netType]; |
| 462 | return tracker != null && tracker.setRadio(turnOn); |
| 463 | } |
| 464 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 465 | /** |
| 466 | * Used to notice when the calling process dies so we can self-expire |
| 467 | * |
| 468 | * Also used to know if the process has cleaned up after itself when |
| 469 | * our auto-expire timer goes off. The timer has a link to an object. |
| 470 | * |
| 471 | */ |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 472 | private class FeatureUser implements IBinder.DeathRecipient { |
| 473 | int mNetworkType; |
| 474 | String mFeature; |
| 475 | IBinder mBinder; |
| 476 | int mPid; |
| 477 | int mUid; |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 478 | long mCreateTime; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 479 | |
| 480 | FeatureUser(int type, String feature, IBinder binder) { |
| 481 | super(); |
| 482 | mNetworkType = type; |
| 483 | mFeature = feature; |
| 484 | mBinder = binder; |
| 485 | mPid = getCallingPid(); |
| 486 | mUid = getCallingUid(); |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 487 | mCreateTime = System.currentTimeMillis(); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 488 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 489 | try { |
| 490 | mBinder.linkToDeath(this, 0); |
| 491 | } catch (RemoteException e) { |
| 492 | binderDied(); |
| 493 | } |
| 494 | } |
| 495 | |
| 496 | void unlinkDeathRecipient() { |
| 497 | mBinder.unlinkToDeath(this, 0); |
| 498 | } |
| 499 | |
| 500 | public void binderDied() { |
| 501 | Log.d(TAG, "ConnectivityService FeatureUser binderDied(" + |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 502 | mNetworkType + ", " + mFeature + ", " + mBinder + "), created " + |
| 503 | (System.currentTimeMillis() - mCreateTime) + " mSec ago"); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 504 | stopUsingNetworkFeature(this, false); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 505 | } |
| 506 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 507 | public void expire() { |
| 508 | Log.d(TAG, "ConnectivityService FeatureUser expire(" + |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 509 | mNetworkType + ", " + mFeature + ", " + mBinder +"), created " + |
| 510 | (System.currentTimeMillis() - mCreateTime) + " mSec ago"); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 511 | stopUsingNetworkFeature(this, false); |
| 512 | } |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 513 | |
| 514 | public String toString() { |
| 515 | return "FeatureUser("+mNetworkType+","+mFeature+","+mPid+","+mUid+"), created " + |
| 516 | (System.currentTimeMillis() - mCreateTime) + " mSec ago"; |
| 517 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 518 | } |
| 519 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 520 | // javadoc from interface |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 521 | public int startUsingNetworkFeature(int networkType, String feature, |
| 522 | IBinder binder) { |
| 523 | if (DBG) { |
| 524 | Log.d(TAG, "startUsingNetworkFeature for net " + networkType + |
| 525 | ": " + feature); |
| 526 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 527 | enforceChangePermission(); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 528 | if (!ConnectivityManager.isNetworkTypeValid(networkType) || |
| 529 | mNetAttributes[networkType] == null) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 530 | return Phone.APN_REQUEST_FAILED; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 531 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 532 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 533 | FeatureUser f = new FeatureUser(networkType, feature, binder); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 534 | |
| 535 | // TODO - move this into the MobileDataStateTracker |
| 536 | int usedNetworkType = networkType; |
| 537 | if(networkType == ConnectivityManager.TYPE_MOBILE) { |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 538 | if (!getMobileDataEnabled()) { |
| 539 | if (DBG) Log.d(TAG, "requested special network with data disabled - rejected"); |
| 540 | return Phone.APN_TYPE_NOT_AVAILABLE; |
| 541 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 542 | if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_MMS)) { |
| 543 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_MMS; |
| 544 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_SUPL)) { |
| 545 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_SUPL; |
| 546 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_DUN)) { |
| 547 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_DUN; |
| 548 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_HIPRI)) { |
| 549 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_HIPRI; |
| 550 | } |
| 551 | } |
| 552 | NetworkStateTracker network = mNetTrackers[usedNetworkType]; |
| 553 | if (network != null) { |
| 554 | if (usedNetworkType != networkType) { |
| 555 | Integer currentPid = new Integer(getCallingPid()); |
| 556 | |
| 557 | NetworkStateTracker radio = mNetTrackers[networkType]; |
| 558 | NetworkInfo ni = network.getNetworkInfo(); |
| 559 | |
| 560 | if (ni.isAvailable() == false) { |
| 561 | if (DBG) Log.d(TAG, "special network not available"); |
| 562 | return Phone.APN_TYPE_NOT_AVAILABLE; |
| 563 | } |
| 564 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 565 | synchronized(this) { |
| 566 | mFeatureUsers.add(f); |
| 567 | if (!mNetRequestersPids[usedNetworkType].contains(currentPid)) { |
| 568 | // this gets used for per-pid dns when connected |
| 569 | mNetRequestersPids[usedNetworkType].add(currentPid); |
| 570 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 571 | } |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 572 | mHandler.sendMessageDelayed(mHandler.obtainMessage( |
| 573 | NetworkStateTracker.EVENT_RESTORE_DEFAULT_NETWORK, |
| 574 | f), getRestoreDefaultNetworkDelay()); |
| 575 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 576 | |
Robert Greenwalt | a64bf83 | 2009-08-19 20:19:33 -0700 | [diff] [blame] | 577 | if ((ni.isConnectedOrConnecting() == true) && |
| 578 | !network.isTeardownRequested()) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 579 | if (ni.isConnected() == true) { |
| 580 | // add the pid-specific dns |
| 581 | handleDnsConfigurationChange(); |
| 582 | if (DBG) Log.d(TAG, "special network already active"); |
| 583 | return Phone.APN_ALREADY_ACTIVE; |
| 584 | } |
| 585 | if (DBG) Log.d(TAG, "special network already connecting"); |
| 586 | return Phone.APN_REQUEST_STARTED; |
| 587 | } |
| 588 | |
| 589 | // check if the radio in play can make another contact |
| 590 | // assume if cannot for now |
| 591 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 592 | if (DBG) Log.d(TAG, "reconnecting to special network"); |
| 593 | network.reconnect(); |
| 594 | return Phone.APN_REQUEST_STARTED; |
| 595 | } else { |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 596 | synchronized(this) { |
| 597 | mFeatureUsers.add(f); |
| 598 | } |
| 599 | mHandler.sendMessageDelayed(mHandler.obtainMessage( |
| 600 | NetworkStateTracker.EVENT_RESTORE_DEFAULT_NETWORK, |
| 601 | f), getRestoreDefaultNetworkDelay()); |
| 602 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 603 | return network.startUsingNetworkFeature(feature, |
| 604 | getCallingPid(), getCallingUid()); |
| 605 | } |
| 606 | } |
| 607 | return Phone.APN_TYPE_NOT_AVAILABLE; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 608 | } |
| 609 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 610 | // javadoc from interface |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 611 | public int stopUsingNetworkFeature(int networkType, String feature) { |
Robert Greenwalt | b8f1634 | 2009-10-06 17:52:40 -0700 | [diff] [blame] | 612 | enforceChangePermission(); |
| 613 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 614 | int pid = getCallingPid(); |
| 615 | int uid = getCallingUid(); |
| 616 | |
| 617 | FeatureUser u = null; |
| 618 | boolean found = false; |
| 619 | |
| 620 | synchronized(this) { |
| 621 | for (int i = 0; i < mFeatureUsers.size() ; i++) { |
| 622 | u = (FeatureUser)mFeatureUsers.get(i); |
| 623 | if (uid == u.mUid && pid == u.mPid && |
| 624 | networkType == u.mNetworkType && |
| 625 | TextUtils.equals(feature, u.mFeature)) { |
| 626 | found = true; |
| 627 | break; |
| 628 | } |
| 629 | } |
| 630 | } |
| 631 | if (found && u != null) { |
| 632 | // stop regardless of how many other time this proc had called start |
| 633 | return stopUsingNetworkFeature(u, true); |
| 634 | } else { |
| 635 | // none found! |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 636 | if (DBG) Log.d(TAG, "ignoring stopUsingNetworkFeature - not a live request"); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 637 | return 1; |
| 638 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 639 | } |
| 640 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 641 | private int stopUsingNetworkFeature(FeatureUser u, boolean ignoreDups) { |
| 642 | int networkType = u.mNetworkType; |
| 643 | String feature = u.mFeature; |
| 644 | int pid = u.mPid; |
| 645 | int uid = u.mUid; |
| 646 | |
| 647 | NetworkStateTracker tracker = null; |
| 648 | boolean callTeardown = false; // used to carry our decision outside of sync block |
| 649 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 650 | if (DBG) { |
| 651 | Log.d(TAG, "stopUsingNetworkFeature for net " + networkType + |
| 652 | ": " + feature); |
| 653 | } |
Robert Greenwalt | b8f1634 | 2009-10-06 17:52:40 -0700 | [diff] [blame] | 654 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 655 | if (!ConnectivityManager.isNetworkTypeValid(networkType)) { |
| 656 | return -1; |
| 657 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 658 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 659 | // need to link the mFeatureUsers list with the mNetRequestersPids state in this |
| 660 | // sync block |
| 661 | synchronized(this) { |
| 662 | // check if this process still has an outstanding start request |
| 663 | if (!mFeatureUsers.contains(u)) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 664 | return 1; |
| 665 | } |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 666 | u.unlinkDeathRecipient(); |
| 667 | mFeatureUsers.remove(mFeatureUsers.indexOf(u)); |
| 668 | // If we care about duplicate requests, check for that here. |
| 669 | // |
| 670 | // This is done to support the extension of a request - the app |
| 671 | // can request we start the network feature again and renew the |
| 672 | // auto-shutoff delay. Normal "stop" calls from the app though |
| 673 | // do not pay attention to duplicate requests - in effect the |
| 674 | // API does not refcount and a single stop will counter multiple starts. |
| 675 | if (ignoreDups == false) { |
| 676 | for (int i = 0; i < mFeatureUsers.size() ; i++) { |
| 677 | FeatureUser x = (FeatureUser)mFeatureUsers.get(i); |
| 678 | if (x.mUid == u.mUid && x.mPid == u.mPid && |
| 679 | x.mNetworkType == u.mNetworkType && |
| 680 | TextUtils.equals(x.mFeature, u.mFeature)) { |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 681 | if (DBG) Log.d(TAG, "ignoring stopUsingNetworkFeature as dup is found"); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 682 | return 1; |
| 683 | } |
| 684 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 685 | } |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 686 | |
| 687 | // TODO - move to MobileDataStateTracker |
| 688 | int usedNetworkType = networkType; |
| 689 | if (networkType == ConnectivityManager.TYPE_MOBILE) { |
| 690 | if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_MMS)) { |
| 691 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_MMS; |
| 692 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_SUPL)) { |
| 693 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_SUPL; |
| 694 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_DUN)) { |
| 695 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_DUN; |
| 696 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_HIPRI)) { |
| 697 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_HIPRI; |
| 698 | } |
| 699 | } |
| 700 | tracker = mNetTrackers[usedNetworkType]; |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 701 | if (tracker == null) { |
| 702 | return -1; |
| 703 | } |
| 704 | if (usedNetworkType != networkType) { |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 705 | Integer currentPid = new Integer(pid); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 706 | mNetRequestersPids[usedNetworkType].remove(currentPid); |
Robert Greenwalt | 421c72b | 2009-12-17 14:54:59 -0800 | [diff] [blame] | 707 | reassessPidDns(pid, true); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 708 | if (mNetRequestersPids[usedNetworkType].size() != 0) { |
| 709 | if (DBG) Log.d(TAG, "not tearing down special network - " + |
| 710 | "others still using it"); |
| 711 | return 1; |
| 712 | } |
| 713 | callTeardown = true; |
| 714 | } |
| 715 | } |
| 716 | |
| 717 | if (callTeardown) { |
| 718 | tracker.teardown(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 719 | return 1; |
| 720 | } else { |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 721 | // do it the old fashioned way |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 722 | return tracker.stopUsingNetworkFeature(feature, pid, uid); |
| 723 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 724 | } |
| 725 | |
| 726 | /** |
| 727 | * Ensure that a network route exists to deliver traffic to the specified |
| 728 | * host via the specified network interface. |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 729 | * @param networkType the type of the network over which traffic to the |
| 730 | * specified host is to be routed |
| 731 | * @param hostAddress the IP address of the host to which the route is |
| 732 | * desired |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 733 | * @return {@code true} on success, {@code false} on failure |
| 734 | */ |
| 735 | public boolean requestRouteToHost(int networkType, int hostAddress) { |
| 736 | enforceChangePermission(); |
| 737 | if (!ConnectivityManager.isNetworkTypeValid(networkType)) { |
| 738 | return false; |
| 739 | } |
| 740 | NetworkStateTracker tracker = mNetTrackers[networkType]; |
Robert Greenwalt | 8206ff3 | 2009-09-10 15:06:20 -0700 | [diff] [blame] | 741 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 742 | if (tracker == null || !tracker.getNetworkInfo().isConnected() || |
| 743 | tracker.isTeardownRequested()) { |
Robert Greenwalt | 8206ff3 | 2009-09-10 15:06:20 -0700 | [diff] [blame] | 744 | if (DBG) { |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 745 | Log.d(TAG, "requestRouteToHost on down network (" + networkType + ") - dropped"); |
Robert Greenwalt | 8206ff3 | 2009-09-10 15:06:20 -0700 | [diff] [blame] | 746 | } |
| 747 | return false; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 748 | } |
Robert Greenwalt | 8206ff3 | 2009-09-10 15:06:20 -0700 | [diff] [blame] | 749 | return tracker.requestRouteToHost(hostAddress); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 750 | } |
| 751 | |
| 752 | /** |
| 753 | * @see ConnectivityManager#getBackgroundDataSetting() |
| 754 | */ |
| 755 | public boolean getBackgroundDataSetting() { |
| 756 | return Settings.Secure.getInt(mContext.getContentResolver(), |
| 757 | Settings.Secure.BACKGROUND_DATA, 1) == 1; |
| 758 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 759 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 760 | /** |
| 761 | * @see ConnectivityManager#setBackgroundDataSetting(boolean) |
| 762 | */ |
| 763 | public void setBackgroundDataSetting(boolean allowBackgroundDataUsage) { |
| 764 | mContext.enforceCallingOrSelfPermission( |
| 765 | android.Manifest.permission.CHANGE_BACKGROUND_DATA_SETTING, |
| 766 | "ConnectivityService"); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 767 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 768 | if (getBackgroundDataSetting() == allowBackgroundDataUsage) return; |
| 769 | |
| 770 | Settings.Secure.putInt(mContext.getContentResolver(), |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 771 | Settings.Secure.BACKGROUND_DATA, |
| 772 | allowBackgroundDataUsage ? 1 : 0); |
| 773 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 774 | Intent broadcast = new Intent( |
| 775 | ConnectivityManager.ACTION_BACKGROUND_DATA_SETTING_CHANGED); |
| 776 | mContext.sendBroadcast(broadcast); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 777 | } |
| 778 | |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 779 | /** |
| 780 | * @see ConnectivityManager#getMobileDataEnabled() |
| 781 | */ |
| 782 | public boolean getMobileDataEnabled() { |
| 783 | enforceAccessPermission(); |
| 784 | boolean retVal = Settings.Secure.getInt(mContext.getContentResolver(), |
| 785 | Settings.Secure.MOBILE_DATA, 1) == 1; |
| 786 | if (DBG) Log.d(TAG, "getMobileDataEnabled returning " + retVal); |
| 787 | return retVal; |
| 788 | } |
| 789 | |
| 790 | /** |
| 791 | * @see ConnectivityManager#setMobileDataEnabled(boolean) |
| 792 | */ |
| 793 | public synchronized void setMobileDataEnabled(boolean enabled) { |
| 794 | enforceChangePermission(); |
| 795 | if (DBG) Log.d(TAG, "setMobileDataEnabled(" + enabled + ")"); |
| 796 | |
| 797 | if (getMobileDataEnabled() == enabled) return; |
| 798 | |
| 799 | Settings.Secure.putInt(mContext.getContentResolver(), |
| 800 | Settings.Secure.MOBILE_DATA, enabled ? 1 : 0); |
| 801 | |
| 802 | if (enabled) { |
| 803 | if (mNetTrackers[ConnectivityManager.TYPE_MOBILE] != null) { |
| 804 | if (DBG) Log.d(TAG, "starting up " + mNetTrackers[ConnectivityManager.TYPE_MOBILE]); |
| 805 | mNetTrackers[ConnectivityManager.TYPE_MOBILE].reconnect(); |
| 806 | } |
| 807 | } else { |
| 808 | for (NetworkStateTracker nt : mNetTrackers) { |
| 809 | if (nt == null) continue; |
| 810 | int netType = nt.getNetworkInfo().getType(); |
| 811 | if (mNetAttributes[netType].mRadio == ConnectivityManager.TYPE_MOBILE) { |
| 812 | if (DBG) Log.d(TAG, "tearing down " + nt); |
| 813 | nt.teardown(); |
| 814 | } |
| 815 | } |
| 816 | } |
| 817 | } |
| 818 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 819 | private int getNumConnectedNetworks() { |
| 820 | int numConnectedNets = 0; |
| 821 | |
| 822 | for (NetworkStateTracker nt : mNetTrackers) { |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 823 | if (nt != null && nt.getNetworkInfo().isConnected() && |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 824 | !nt.isTeardownRequested()) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 825 | ++numConnectedNets; |
| 826 | } |
| 827 | } |
| 828 | return numConnectedNets; |
| 829 | } |
| 830 | |
| 831 | private void enforceAccessPermission() { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 832 | mContext.enforceCallingOrSelfPermission( |
| 833 | android.Manifest.permission.ACCESS_NETWORK_STATE, |
| 834 | "ConnectivityService"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 835 | } |
| 836 | |
| 837 | private void enforceChangePermission() { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 838 | mContext.enforceCallingOrSelfPermission( |
| 839 | android.Manifest.permission.CHANGE_NETWORK_STATE, |
| 840 | "ConnectivityService"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 841 | } |
| 842 | |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 843 | // TODO Make this a special check when it goes public |
| 844 | private void enforceTetherChangePermission() { |
| 845 | mContext.enforceCallingOrSelfPermission( |
| 846 | android.Manifest.permission.CHANGE_NETWORK_STATE, |
| 847 | "ConnectivityService"); |
| 848 | } |
| 849 | |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 850 | private void enforceTetherAccessPermission() { |
| 851 | mContext.enforceCallingOrSelfPermission( |
| 852 | android.Manifest.permission.ACCESS_NETWORK_STATE, |
| 853 | "ConnectivityService"); |
| 854 | } |
| 855 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 856 | /** |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 857 | * Handle a {@code DISCONNECTED} event. If this pertains to the non-active |
| 858 | * network, we ignore it. If it is for the active network, we send out a |
| 859 | * broadcast. But first, we check whether it might be possible to connect |
| 860 | * to a different network. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 861 | * @param info the {@code NetworkInfo} for the network |
| 862 | */ |
| 863 | private void handleDisconnect(NetworkInfo info) { |
| 864 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 865 | int prevNetType = info.getType(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 866 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 867 | mNetTrackers[prevNetType].setTeardownRequested(false); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 868 | /* |
| 869 | * If the disconnected network is not the active one, then don't report |
| 870 | * this as a loss of connectivity. What probably happened is that we're |
| 871 | * getting the disconnect for a network that we explicitly disabled |
| 872 | * in accordance with network preference policies. |
| 873 | */ |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 874 | if (!mNetAttributes[prevNetType].isDefault()) { |
| 875 | List pids = mNetRequestersPids[prevNetType]; |
| 876 | for (int i = 0; i<pids.size(); i++) { |
| 877 | Integer pid = (Integer)pids.get(i); |
| 878 | // will remove them because the net's no longer connected |
| 879 | // need to do this now as only now do we know the pids and |
| 880 | // can properly null things that are no longer referenced. |
| 881 | reassessPidDns(pid.intValue(), false); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 882 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 883 | } |
| 884 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 885 | Intent intent = new Intent(ConnectivityManager.CONNECTIVITY_ACTION); |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 886 | intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 887 | intent.putExtra(ConnectivityManager.EXTRA_NETWORK_INFO, info); |
| 888 | if (info.isFailover()) { |
| 889 | intent.putExtra(ConnectivityManager.EXTRA_IS_FAILOVER, true); |
| 890 | info.setFailover(false); |
| 891 | } |
| 892 | if (info.getReason() != null) { |
| 893 | intent.putExtra(ConnectivityManager.EXTRA_REASON, info.getReason()); |
| 894 | } |
| 895 | if (info.getExtraInfo() != null) { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 896 | intent.putExtra(ConnectivityManager.EXTRA_EXTRA_INFO, |
| 897 | info.getExtraInfo()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 898 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 899 | |
Robert Greenwalt | cc4b401 | 2010-01-25 17:54:29 -0800 | [diff] [blame] | 900 | NetworkStateTracker newNet = null; |
| 901 | if (mNetAttributes[prevNetType].isDefault()) { |
| 902 | newNet = tryFailover(prevNetType); |
| 903 | if (newNet != null) { |
| 904 | NetworkInfo switchTo = newNet.getNetworkInfo(); |
| 905 | intent.putExtra(ConnectivityManager.EXTRA_OTHER_NETWORK_INFO, switchTo); |
| 906 | } else { |
| 907 | intent.putExtra(ConnectivityManager.EXTRA_NO_CONNECTIVITY, true); |
| 908 | } |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 909 | } |
| 910 | // do this before we broadcast the change |
| 911 | handleConnectivityChange(); |
| 912 | |
| 913 | sendStickyBroadcast(intent); |
| 914 | /* |
| 915 | * If the failover network is already connected, then immediately send |
| 916 | * out a followup broadcast indicating successful failover |
| 917 | */ |
| 918 | if (newNet != null && newNet.getNetworkInfo().isConnected()) { |
| 919 | sendConnectedBroadcast(newNet.getNetworkInfo()); |
| 920 | } |
| 921 | } |
| 922 | |
Robert Greenwalt | cc4b401 | 2010-01-25 17:54:29 -0800 | [diff] [blame] | 923 | // returns null if no failover available |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 924 | private NetworkStateTracker tryFailover(int prevNetType) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 925 | /* |
| 926 | * If this is a default network, check if other defaults are available |
| 927 | * or active |
| 928 | */ |
| 929 | NetworkStateTracker newNet = null; |
| 930 | if (mNetAttributes[prevNetType].isDefault()) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 931 | if (mActiveDefaultNetwork == prevNetType) { |
| 932 | mActiveDefaultNetwork = -1; |
| 933 | } |
| 934 | |
| 935 | int newType = -1; |
| 936 | int newPriority = -1; |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 937 | for (int checkType=0; checkType <= ConnectivityManager.MAX_NETWORK_TYPE; checkType++) { |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 938 | if (checkType == prevNetType) continue; |
| 939 | if (mNetAttributes[checkType] == null) continue; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 940 | if (mNetAttributes[checkType].isDefault()) { |
| 941 | /* TODO - if we have multiple nets we could use |
| 942 | * we may want to put more thought into which we choose |
| 943 | */ |
| 944 | if (checkType == mNetworkPreference) { |
| 945 | newType = checkType; |
| 946 | break; |
| 947 | } |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 948 | if (mNetAttributes[checkType].mPriority > newPriority) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 949 | newType = checkType; |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 950 | newPriority = mNetAttributes[newType].mPriority; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 951 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 952 | } |
| 953 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 954 | |
| 955 | if (newType != -1) { |
| 956 | newNet = mNetTrackers[newType]; |
| 957 | /** |
| 958 | * See if the other network is available to fail over to. |
| 959 | * If is not available, we enable it anyway, so that it |
| 960 | * will be able to connect when it does become available, |
| 961 | * but we report a total loss of connectivity rather than |
| 962 | * report that we are attempting to fail over. |
| 963 | */ |
| 964 | if (newNet.isAvailable()) { |
| 965 | NetworkInfo switchTo = newNet.getNetworkInfo(); |
| 966 | switchTo.setFailover(true); |
Robert Greenwalt | a64bf83 | 2009-08-19 20:19:33 -0700 | [diff] [blame] | 967 | if (!switchTo.isConnectedOrConnecting() || |
| 968 | newNet.isTeardownRequested()) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 969 | newNet.reconnect(); |
| 970 | } |
| 971 | if (DBG) { |
| 972 | if (switchTo.isConnected()) { |
| 973 | Log.v(TAG, "Switching to already connected " + |
| 974 | switchTo.getTypeName()); |
| 975 | } else { |
| 976 | Log.v(TAG, "Attempting to switch to " + |
| 977 | switchTo.getTypeName()); |
| 978 | } |
| 979 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 980 | } else { |
| 981 | newNet.reconnect(); |
| 982 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 983 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 984 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 985 | |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 986 | return newNet; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 987 | } |
| 988 | |
| 989 | private void sendConnectedBroadcast(NetworkInfo info) { |
| 990 | Intent intent = new Intent(ConnectivityManager.CONNECTIVITY_ACTION); |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 991 | intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 992 | intent.putExtra(ConnectivityManager.EXTRA_NETWORK_INFO, info); |
| 993 | if (info.isFailover()) { |
| 994 | intent.putExtra(ConnectivityManager.EXTRA_IS_FAILOVER, true); |
| 995 | info.setFailover(false); |
| 996 | } |
| 997 | if (info.getReason() != null) { |
| 998 | intent.putExtra(ConnectivityManager.EXTRA_REASON, info.getReason()); |
| 999 | } |
| 1000 | if (info.getExtraInfo() != null) { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1001 | intent.putExtra(ConnectivityManager.EXTRA_EXTRA_INFO, |
| 1002 | info.getExtraInfo()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1003 | } |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1004 | sendStickyBroadcast(intent); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1005 | } |
| 1006 | |
| 1007 | /** |
| 1008 | * Called when an attempt to fail over to another network has failed. |
| 1009 | * @param info the {@link NetworkInfo} for the failed network |
| 1010 | */ |
| 1011 | private void handleConnectionFailure(NetworkInfo info) { |
| 1012 | mNetTrackers[info.getType()].setTeardownRequested(false); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1013 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1014 | String reason = info.getReason(); |
| 1015 | String extraInfo = info.getExtraInfo(); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1016 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1017 | if (DBG) { |
| 1018 | String reasonText; |
| 1019 | if (reason == null) { |
| 1020 | reasonText = "."; |
| 1021 | } else { |
| 1022 | reasonText = " (" + reason + ")."; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1023 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1024 | Log.v(TAG, "Attempt to connect to " + info.getTypeName() + |
| 1025 | " failed" + reasonText); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1026 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1027 | |
| 1028 | Intent intent = new Intent(ConnectivityManager.CONNECTIVITY_ACTION); |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 1029 | intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1030 | intent.putExtra(ConnectivityManager.EXTRA_NETWORK_INFO, info); |
| 1031 | if (getActiveNetworkInfo() == null) { |
| 1032 | intent.putExtra(ConnectivityManager.EXTRA_NO_CONNECTIVITY, true); |
| 1033 | } |
| 1034 | if (reason != null) { |
| 1035 | intent.putExtra(ConnectivityManager.EXTRA_REASON, reason); |
| 1036 | } |
| 1037 | if (extraInfo != null) { |
| 1038 | intent.putExtra(ConnectivityManager.EXTRA_EXTRA_INFO, extraInfo); |
| 1039 | } |
| 1040 | if (info.isFailover()) { |
| 1041 | intent.putExtra(ConnectivityManager.EXTRA_IS_FAILOVER, true); |
| 1042 | info.setFailover(false); |
| 1043 | } |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 1044 | |
Robert Greenwalt | cc4b401 | 2010-01-25 17:54:29 -0800 | [diff] [blame] | 1045 | NetworkStateTracker newNet = null; |
| 1046 | if (mNetAttributes[info.getType()].isDefault()) { |
| 1047 | newNet = tryFailover(info.getType()); |
| 1048 | if (newNet != null) { |
| 1049 | NetworkInfo switchTo = newNet.getNetworkInfo(); |
| 1050 | intent.putExtra(ConnectivityManager.EXTRA_OTHER_NETWORK_INFO, switchTo); |
| 1051 | } else { |
| 1052 | intent.putExtra(ConnectivityManager.EXTRA_NO_CONNECTIVITY, true); |
| 1053 | } |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 1054 | } |
Robert Greenwalt | cc4b401 | 2010-01-25 17:54:29 -0800 | [diff] [blame] | 1055 | |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 1056 | // do this before we broadcast the change |
| 1057 | handleConnectivityChange(); |
| 1058 | |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1059 | sendStickyBroadcast(intent); |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 1060 | /* |
| 1061 | * If the failover network is already connected, then immediately send |
| 1062 | * out a followup broadcast indicating successful failover |
| 1063 | */ |
| 1064 | if (newNet != null && newNet.getNetworkInfo().isConnected()) { |
| 1065 | sendConnectedBroadcast(newNet.getNetworkInfo()); |
| 1066 | } |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1067 | } |
| 1068 | |
| 1069 | private void sendStickyBroadcast(Intent intent) { |
| 1070 | synchronized(this) { |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 1071 | if (!mSystemReady) { |
| 1072 | mInitialBroadcast = new Intent(intent); |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1073 | } |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 1074 | intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); |
| 1075 | mContext.sendStickyBroadcast(intent); |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1076 | } |
| 1077 | } |
| 1078 | |
| 1079 | void systemReady() { |
| 1080 | synchronized(this) { |
| 1081 | mSystemReady = true; |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 1082 | if (mInitialBroadcast != null) { |
| 1083 | mContext.sendStickyBroadcast(mInitialBroadcast); |
| 1084 | mInitialBroadcast = null; |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1085 | } |
| 1086 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1087 | } |
| 1088 | |
| 1089 | private void handleConnect(NetworkInfo info) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1090 | int type = info.getType(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1091 | |
| 1092 | // snapshot isFailover, because sendConnectedBroadcast() resets it |
| 1093 | boolean isFailover = info.isFailover(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1094 | NetworkStateTracker thisNet = mNetTrackers[type]; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1095 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1096 | // if this is a default net and other default is running |
| 1097 | // kill the one not preferred |
| 1098 | if (mNetAttributes[type].isDefault()) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1099 | if (mActiveDefaultNetwork != -1 && mActiveDefaultNetwork != type) { |
| 1100 | if ((type != mNetworkPreference && |
| 1101 | mNetAttributes[mActiveDefaultNetwork].mPriority > |
| 1102 | mNetAttributes[type].mPriority) || |
| 1103 | mNetworkPreference == mActiveDefaultNetwork) { |
| 1104 | // don't accept this one |
| 1105 | if (DBG) Log.v(TAG, "Not broadcasting CONNECT_ACTION " + |
| 1106 | "to torn down network " + info.getTypeName()); |
| 1107 | teardown(thisNet); |
| 1108 | return; |
| 1109 | } else { |
| 1110 | // tear down the other |
| 1111 | NetworkStateTracker otherNet = |
| 1112 | mNetTrackers[mActiveDefaultNetwork]; |
| 1113 | if (DBG) Log.v(TAG, "Policy requires " + |
| 1114 | otherNet.getNetworkInfo().getTypeName() + |
| 1115 | " teardown"); |
| 1116 | if (!teardown(otherNet)) { |
| 1117 | Log.e(TAG, "Network declined teardown request"); |
| 1118 | return; |
| 1119 | } |
| 1120 | if (isFailover) { |
| 1121 | otherNet.releaseWakeLock(); |
| 1122 | } |
| 1123 | } |
| 1124 | } |
| 1125 | mActiveDefaultNetwork = type; |
| 1126 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1127 | thisNet.setTeardownRequested(false); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1128 | thisNet.updateNetworkSettings(); |
| 1129 | handleConnectivityChange(); |
| 1130 | sendConnectedBroadcast(info); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1131 | } |
| 1132 | |
| 1133 | private void handleScanResultsAvailable(NetworkInfo info) { |
| 1134 | int networkType = info.getType(); |
| 1135 | if (networkType != ConnectivityManager.TYPE_WIFI) { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1136 | if (DBG) Log.v(TAG, "Got ScanResultsAvailable for " + |
| 1137 | info.getTypeName() + " network. Don't know how to handle."); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1138 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1139 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1140 | mNetTrackers[networkType].interpretScanResultsAvailable(); |
| 1141 | } |
| 1142 | |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1143 | private void handleNotificationChange(boolean visible, int id, |
| 1144 | Notification notification) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1145 | NotificationManager notificationManager = (NotificationManager) mContext |
| 1146 | .getSystemService(Context.NOTIFICATION_SERVICE); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1147 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1148 | if (visible) { |
| 1149 | notificationManager.notify(id, notification); |
| 1150 | } else { |
| 1151 | notificationManager.cancel(id); |
| 1152 | } |
| 1153 | } |
| 1154 | |
| 1155 | /** |
| 1156 | * After any kind of change in the connectivity state of any network, |
| 1157 | * make sure that anything that depends on the connectivity state of |
| 1158 | * more than one network is set up correctly. We're mainly concerned |
| 1159 | * with making sure that the list of DNS servers is set up according |
| 1160 | * to which networks are connected, and ensuring that the right routing |
| 1161 | * table entries exist. |
| 1162 | */ |
| 1163 | private void handleConnectivityChange() { |
| 1164 | /* |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1165 | * If a non-default network is enabled, add the host routes that |
Robert Greenwalt | 1ef95f9 | 2009-09-30 21:01:30 -0700 | [diff] [blame] | 1166 | * will allow it's DNS servers to be accessed. Only |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1167 | * If both mobile and wifi are enabled, add the host routes that |
| 1168 | * will allow MMS traffic to pass on the mobile network. But |
| 1169 | * remove the default route for the mobile network, so that there |
| 1170 | * will be only one default route, to ensure that all traffic |
| 1171 | * except MMS will travel via Wi-Fi. |
| 1172 | */ |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1173 | handleDnsConfigurationChange(); |
| 1174 | |
| 1175 | for (int netType : mPriorityList) { |
| 1176 | if (mNetTrackers[netType].getNetworkInfo().isConnected()) { |
| 1177 | if (mNetAttributes[netType].isDefault()) { |
| 1178 | mNetTrackers[netType].addDefaultRoute(); |
| 1179 | } else { |
| 1180 | mNetTrackers[netType].addPrivateDnsRoutes(); |
| 1181 | } |
| 1182 | } else { |
| 1183 | if (mNetAttributes[netType].isDefault()) { |
| 1184 | mNetTrackers[netType].removeDefaultRoute(); |
| 1185 | } else { |
| 1186 | mNetTrackers[netType].removePrivateDnsRoutes(); |
| 1187 | } |
| 1188 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1189 | } |
| 1190 | } |
| 1191 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1192 | /** |
| 1193 | * Adjust the per-process dns entries (net.dns<x>.<pid>) based |
| 1194 | * on the highest priority active net which this process requested. |
| 1195 | * If there aren't any, clear it out |
| 1196 | */ |
| 1197 | private void reassessPidDns(int myPid, boolean doBump) |
| 1198 | { |
| 1199 | if (DBG) Log.d(TAG, "reassessPidDns for pid " + myPid); |
| 1200 | for(int i : mPriorityList) { |
| 1201 | if (mNetAttributes[i].isDefault()) { |
| 1202 | continue; |
| 1203 | } |
| 1204 | NetworkStateTracker nt = mNetTrackers[i]; |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1205 | if (nt.getNetworkInfo().isConnected() && |
| 1206 | !nt.isTeardownRequested()) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1207 | List pids = mNetRequestersPids[i]; |
| 1208 | for (int j=0; j<pids.size(); j++) { |
| 1209 | Integer pid = (Integer)pids.get(j); |
| 1210 | if (pid.intValue() == myPid) { |
| 1211 | String[] dnsList = nt.getNameServers(); |
| 1212 | writePidDns(dnsList, myPid); |
| 1213 | if (doBump) { |
| 1214 | bumpDns(); |
| 1215 | } |
| 1216 | return; |
| 1217 | } |
| 1218 | } |
| 1219 | } |
| 1220 | } |
| 1221 | // nothing found - delete |
| 1222 | for (int i = 1; ; i++) { |
| 1223 | String prop = "net.dns" + i + "." + myPid; |
| 1224 | if (SystemProperties.get(prop).length() == 0) { |
| 1225 | if (doBump) { |
| 1226 | bumpDns(); |
| 1227 | } |
| 1228 | return; |
| 1229 | } |
| 1230 | SystemProperties.set(prop, ""); |
| 1231 | } |
| 1232 | } |
| 1233 | |
| 1234 | private void writePidDns(String[] dnsList, int pid) { |
| 1235 | int j = 1; |
| 1236 | for (String dns : dnsList) { |
| 1237 | if (dns != null && !TextUtils.equals(dns, "0.0.0.0")) { |
| 1238 | SystemProperties.set("net.dns" + j++ + "." + pid, dns); |
| 1239 | } |
| 1240 | } |
| 1241 | } |
| 1242 | |
| 1243 | private void bumpDns() { |
| 1244 | /* |
| 1245 | * Bump the property that tells the name resolver library to reread |
| 1246 | * the DNS server list from the properties. |
| 1247 | */ |
| 1248 | String propVal = SystemProperties.get("net.dnschange"); |
| 1249 | int n = 0; |
| 1250 | if (propVal.length() != 0) { |
| 1251 | try { |
| 1252 | n = Integer.parseInt(propVal); |
| 1253 | } catch (NumberFormatException e) {} |
| 1254 | } |
| 1255 | SystemProperties.set("net.dnschange", "" + (n+1)); |
| 1256 | } |
| 1257 | |
| 1258 | private void handleDnsConfigurationChange() { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1259 | // add default net's dns entries |
| 1260 | for (int x = mPriorityList.length-1; x>= 0; x--) { |
| 1261 | int netType = mPriorityList[x]; |
| 1262 | NetworkStateTracker nt = mNetTrackers[netType]; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1263 | if (nt != null && nt.getNetworkInfo().isConnected() && |
| 1264 | !nt.isTeardownRequested()) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1265 | String[] dnsList = nt.getNameServers(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1266 | if (mNetAttributes[netType].isDefault()) { |
| 1267 | int j = 1; |
| 1268 | for (String dns : dnsList) { |
| 1269 | if (dns != null && !TextUtils.equals(dns, "0.0.0.0")) { |
Robert Greenwalt | 1ef95f9 | 2009-09-30 21:01:30 -0700 | [diff] [blame] | 1270 | if (DBG) { |
| 1271 | Log.d(TAG, "adding dns " + dns + " for " + |
| 1272 | nt.getNetworkInfo().getTypeName()); |
| 1273 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1274 | SystemProperties.set("net.dns" + j++, dns); |
| 1275 | } |
| 1276 | } |
| 1277 | for (int k=j ; k<mNumDnsEntries; k++) { |
Robert Greenwalt | b06324a | 2009-08-25 14:00:10 -0700 | [diff] [blame] | 1278 | if (DBG) Log.d(TAG, "erasing net.dns" + k); |
| 1279 | SystemProperties.set("net.dns" + k, ""); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1280 | } |
| 1281 | mNumDnsEntries = j; |
| 1282 | } else { |
| 1283 | // set per-pid dns for attached secondary nets |
| 1284 | List pids = mNetRequestersPids[netType]; |
| 1285 | for (int y=0; y< pids.size(); y++) { |
| 1286 | Integer pid = (Integer)pids.get(y); |
| 1287 | writePidDns(dnsList, pid.intValue()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1288 | } |
| 1289 | } |
| 1290 | } |
| 1291 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1292 | |
| 1293 | bumpDns(); |
| 1294 | } |
| 1295 | |
| 1296 | private int getRestoreDefaultNetworkDelay() { |
| 1297 | String restoreDefaultNetworkDelayStr = SystemProperties.get( |
| 1298 | NETWORK_RESTORE_DELAY_PROP_NAME); |
| 1299 | if(restoreDefaultNetworkDelayStr != null && |
| 1300 | restoreDefaultNetworkDelayStr.length() != 0) { |
| 1301 | try { |
| 1302 | return Integer.valueOf(restoreDefaultNetworkDelayStr); |
| 1303 | } catch (NumberFormatException e) { |
| 1304 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1305 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1306 | return RESTORE_DEFAULT_NETWORK_DELAY; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1307 | } |
| 1308 | |
| 1309 | @Override |
| 1310 | protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1311 | if (mContext.checkCallingOrSelfPermission( |
| 1312 | android.Manifest.permission.DUMP) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1313 | != PackageManager.PERMISSION_GRANTED) { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1314 | pw.println("Permission Denial: can't dump ConnectivityService " + |
| 1315 | "from from pid=" + Binder.getCallingPid() + ", uid=" + |
| 1316 | Binder.getCallingUid()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1317 | return; |
| 1318 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1319 | pw.println(); |
| 1320 | for (NetworkStateTracker nst : mNetTrackers) { |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 1321 | if (nst != null) { |
| 1322 | if (nst.getNetworkInfo().isConnected()) { |
| 1323 | pw.println("Active network: " + nst.getNetworkInfo(). |
| 1324 | getTypeName()); |
| 1325 | } |
| 1326 | pw.println(nst.getNetworkInfo()); |
| 1327 | pw.println(nst); |
| 1328 | pw.println(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1329 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1330 | } |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 1331 | |
| 1332 | pw.println("Network Requester Pids:"); |
| 1333 | for (int net : mPriorityList) { |
| 1334 | String pidString = net + ": "; |
| 1335 | for (Object pid : mNetRequestersPids[net]) { |
| 1336 | pidString = pidString + pid.toString() + ", "; |
| 1337 | } |
| 1338 | pw.println(pidString); |
| 1339 | } |
| 1340 | pw.println(); |
| 1341 | |
| 1342 | pw.println("FeatureUsers:"); |
| 1343 | for (Object requester : mFeatureUsers) { |
| 1344 | pw.println(requester.toString()); |
| 1345 | } |
| 1346 | pw.println(); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1347 | |
| 1348 | mTethering.dump(fd, pw, args); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1349 | } |
| 1350 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1351 | // must be stateless - things change under us. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1352 | private class MyHandler extends Handler { |
| 1353 | @Override |
| 1354 | public void handleMessage(Message msg) { |
| 1355 | NetworkInfo info; |
| 1356 | switch (msg.what) { |
| 1357 | case NetworkStateTracker.EVENT_STATE_CHANGED: |
| 1358 | info = (NetworkInfo) msg.obj; |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1359 | int type = info.getType(); |
| 1360 | NetworkInfo.State state = info.getState(); |
Robert Greenwalt | 6e6dec2 | 2010-01-25 16:14:00 -0800 | [diff] [blame] | 1361 | // only do this optimization for wifi. It going into scan mode for location |
| 1362 | // services generates alot of noise. Meanwhile the mms apn won't send out |
| 1363 | // subsequent notifications when on default cellular because it never |
| 1364 | // disconnects.. so only do this to wifi notifications. Fixed better when the |
| 1365 | // APN notifications are standardized. |
| 1366 | if (mNetAttributes[type].mLastState == state && |
| 1367 | mNetAttributes[type].mRadio == ConnectivityManager.TYPE_WIFI) { |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1368 | if (DBG) { |
Robert Greenwalt | 6e6dec2 | 2010-01-25 16:14:00 -0800 | [diff] [blame] | 1369 | // TODO - remove this after we validate the dropping doesn't break |
| 1370 | // anything |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1371 | Log.d(TAG, "Dropping ConnectivityChange for " + |
Robert Greenwalt | 1193ae4 | 2010-01-13 09:36:31 -0800 | [diff] [blame] | 1372 | info.getTypeName() + ": " + |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1373 | state + "/" + info.getDetailedState()); |
| 1374 | } |
| 1375 | return; |
| 1376 | } |
| 1377 | mNetAttributes[type].mLastState = state; |
| 1378 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1379 | if (DBG) Log.d(TAG, "ConnectivityChange for " + |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1380 | info.getTypeName() + ": " + |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1381 | state + "/" + info.getDetailedState()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1382 | |
| 1383 | // Connectivity state changed: |
| 1384 | // [31-13] Reserved for future use |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1385 | // [12-9] Network subtype (for mobile network, as defined |
| 1386 | // by TelephonyManager) |
| 1387 | // [8-3] Detailed state ordinal (as defined by |
| 1388 | // NetworkInfo.DetailedState) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1389 | // [2-0] Network type (as defined by ConnectivityManager) |
| 1390 | int eventLogParam = (info.getType() & 0x7) | |
| 1391 | ((info.getDetailedState().ordinal() & 0x3f) << 3) | |
| 1392 | (info.getSubtype() << 9); |
Doug Zongker | ab5c49c | 2009-12-04 10:31:43 -0800 | [diff] [blame] | 1393 | EventLog.writeEvent(EventLogTags.CONNECTIVITY_STATE_CHANGED, |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1394 | eventLogParam); |
| 1395 | |
| 1396 | if (info.getDetailedState() == |
| 1397 | NetworkInfo.DetailedState.FAILED) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1398 | handleConnectionFailure(info); |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1399 | } else if (state == NetworkInfo.State.DISCONNECTED) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1400 | handleDisconnect(info); |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1401 | } else if (state == NetworkInfo.State.SUSPENDED) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1402 | // TODO: need to think this over. |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1403 | // the logic here is, handle SUSPENDED the same as |
| 1404 | // DISCONNECTED. The only difference being we are |
| 1405 | // broadcasting an intent with NetworkInfo that's |
| 1406 | // suspended. This allows the applications an |
| 1407 | // opportunity to handle DISCONNECTED and SUSPENDED |
| 1408 | // differently, or not. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1409 | handleDisconnect(info); |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1410 | } else if (state == NetworkInfo.State.CONNECTED) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1411 | handleConnect(info); |
| 1412 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1413 | break; |
| 1414 | |
| 1415 | case NetworkStateTracker.EVENT_SCAN_RESULTS_AVAILABLE: |
| 1416 | info = (NetworkInfo) msg.obj; |
| 1417 | handleScanResultsAvailable(info); |
| 1418 | break; |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1419 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1420 | case NetworkStateTracker.EVENT_NOTIFICATION_CHANGED: |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1421 | handleNotificationChange(msg.arg1 == 1, msg.arg2, |
| 1422 | (Notification) msg.obj); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1423 | |
| 1424 | case NetworkStateTracker.EVENT_CONFIGURATION_CHANGED: |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1425 | handleDnsConfigurationChange(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1426 | break; |
| 1427 | |
| 1428 | case NetworkStateTracker.EVENT_ROAMING_CHANGED: |
| 1429 | // fill me in |
| 1430 | break; |
| 1431 | |
| 1432 | case NetworkStateTracker.EVENT_NETWORK_SUBTYPE_CHANGED: |
| 1433 | // fill me in |
| 1434 | break; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1435 | case NetworkStateTracker.EVENT_RESTORE_DEFAULT_NETWORK: |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 1436 | FeatureUser u = (FeatureUser)msg.obj; |
| 1437 | u.expire(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1438 | break; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1439 | } |
| 1440 | } |
| 1441 | } |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 1442 | |
| 1443 | // javadoc from interface |
| 1444 | public boolean tether(String iface) { |
| 1445 | enforceTetherChangePermission(); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1446 | return isTetheringSupported() && mTethering.tether(iface); |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 1447 | } |
| 1448 | |
| 1449 | // javadoc from interface |
| 1450 | public boolean untether(String iface) { |
| 1451 | enforceTetherChangePermission(); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1452 | return isTetheringSupported() && mTethering.untether(iface); |
| 1453 | } |
| 1454 | |
| 1455 | // TODO - proper iface API for selection by property, inspection, etc |
| 1456 | public String[] getTetherableUsbRegexs() { |
| 1457 | enforceTetherAccessPermission(); |
| 1458 | if (isTetheringSupported()) { |
| 1459 | return mTethering.getTetherableUsbRegexs(); |
| 1460 | } else { |
| 1461 | return new String[0]; |
| 1462 | } |
| 1463 | } |
| 1464 | |
| 1465 | public String[] getTetherableWifiRegexs() { |
| 1466 | enforceTetherAccessPermission(); |
| 1467 | if (isTetheringSupported()) { |
| 1468 | return mTethering.getTetherableWifiRegexs(); |
| 1469 | } else { |
| 1470 | return new String[0]; |
| 1471 | } |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 1472 | } |
| 1473 | |
| 1474 | // TODO - move iface listing, queries, etc to new module |
| 1475 | // javadoc from interface |
| 1476 | public String[] getTetherableIfaces() { |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1477 | enforceTetherAccessPermission(); |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 1478 | return mTethering.getTetherableIfaces(); |
| 1479 | } |
| 1480 | |
| 1481 | public String[] getTetheredIfaces() { |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1482 | enforceTetherAccessPermission(); |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 1483 | return mTethering.getTetheredIfaces(); |
| 1484 | } |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1485 | |
| 1486 | // if ro.tether.denied = true we default to no tethering |
| 1487 | // gservices could set the secure setting to 1 though to enable it on a build where it |
| 1488 | // had previously been turned off. |
| 1489 | public boolean isTetheringSupported() { |
| 1490 | enforceTetherAccessPermission(); |
| 1491 | int defaultVal = (SystemProperties.get("ro.tether.denied").equals("true") ? 0 : 1); |
| 1492 | return ((Settings.Secure.getInt(mContext.getContentResolver(), |
| 1493 | Settings.Secure.TETHER_SUPPORTED, defaultVal) != 0) && |
| 1494 | (mNetTrackers[ConnectivityManager.TYPE_MOBILE_DUN] != null)); |
| 1495 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1496 | } |