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 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 46 | import java.io.FileDescriptor; |
| 47 | import java.io.PrintWriter; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 48 | import java.util.ArrayList; |
| 49 | import java.util.List; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 50 | |
| 51 | /** |
| 52 | * @hide |
| 53 | */ |
| 54 | public class ConnectivityService extends IConnectivityManager.Stub { |
| 55 | |
Robert Greenwalt | d8df149 | 2009-10-06 14:12:53 -0700 | [diff] [blame] | 56 | private static final boolean DBG = true; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 57 | private static final String TAG = "ConnectivityService"; |
| 58 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 59 | // how long to wait before switching back to a radio's default network |
| 60 | private static final int RESTORE_DEFAULT_NETWORK_DELAY = 1 * 60 * 1000; |
| 61 | // system property that can override the above value |
| 62 | private static final String NETWORK_RESTORE_DELAY_PROP_NAME = |
| 63 | "android.telephony.apn-restore"; |
| 64 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 65 | /** |
| 66 | * Sometimes we want to refer to the individual network state |
| 67 | * trackers separately, and sometimes we just want to treat them |
| 68 | * abstractly. |
| 69 | */ |
| 70 | private NetworkStateTracker mNetTrackers[]; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 71 | |
| 72 | /** |
| 73 | * A per Net list of the PID's that requested access to the net |
| 74 | * used both as a refcount and for per-PID DNS selection |
| 75 | */ |
| 76 | private List mNetRequestersPids[]; |
| 77 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 78 | private WifiWatchdogService mWifiWatchdogService; |
| 79 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 80 | // priority order of the nettrackers |
| 81 | // (excluding dynamically set mNetworkPreference) |
| 82 | // TODO - move mNetworkTypePreference into this |
| 83 | private int[] mPriorityList; |
| 84 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 85 | private Context mContext; |
| 86 | private int mNetworkPreference; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 87 | private int mActiveDefaultNetwork = -1; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 88 | |
| 89 | private int mNumDnsEntries; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 90 | |
| 91 | private boolean mTestMode; |
| 92 | private static ConnectivityService sServiceInstance; |
| 93 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 94 | private Handler mHandler; |
| 95 | |
| 96 | // list of DeathRecipients used to make sure features are turned off when |
| 97 | // a process dies |
| 98 | private List mFeatureUsers; |
| 99 | |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 100 | private boolean mSystemReady; |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 101 | private Intent mInitialBroadcast; |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 102 | |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 103 | private static class NetworkAttributes { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 104 | /** |
| 105 | * Class for holding settings read from resources. |
| 106 | */ |
| 107 | public String mName; |
| 108 | public int mType; |
| 109 | public int mRadio; |
| 110 | public int mPriority; |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 111 | public NetworkInfo.State mLastState; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 112 | public NetworkAttributes(String init) { |
| 113 | String fragments[] = init.split(","); |
| 114 | mName = fragments[0].toLowerCase(); |
| 115 | if (fragments[1].toLowerCase().equals("wifi")) { |
| 116 | mRadio = ConnectivityManager.TYPE_WIFI; |
| 117 | } else { |
| 118 | mRadio = ConnectivityManager.TYPE_MOBILE; |
| 119 | } |
| 120 | if (mName.equals("default")) { |
| 121 | mType = mRadio; |
| 122 | } else if (mName.equals("mms")) { |
| 123 | mType = ConnectivityManager.TYPE_MOBILE_MMS; |
| 124 | } else if (mName.equals("supl")) { |
| 125 | mType = ConnectivityManager.TYPE_MOBILE_SUPL; |
| 126 | } else if (mName.equals("dun")) { |
| 127 | mType = ConnectivityManager.TYPE_MOBILE_DUN; |
| 128 | } else if (mName.equals("hipri")) { |
| 129 | mType = ConnectivityManager.TYPE_MOBILE_HIPRI; |
| 130 | } |
| 131 | mPriority = Integer.parseInt(fragments[2]); |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 132 | mLastState = NetworkInfo.State.UNKNOWN; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 133 | } |
| 134 | public boolean isDefault() { |
| 135 | return (mType == mRadio); |
| 136 | } |
| 137 | } |
| 138 | NetworkAttributes[] mNetAttributes; |
| 139 | |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 140 | private static class RadioAttributes { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 141 | public String mName; |
| 142 | public int mPriority; |
| 143 | public int mSimultaneity; |
| 144 | public int mType; |
| 145 | public RadioAttributes(String init) { |
| 146 | String fragments[] = init.split(","); |
| 147 | mName = fragments[0].toLowerCase(); |
| 148 | mPriority = Integer.parseInt(fragments[1]); |
| 149 | mSimultaneity = Integer.parseInt(fragments[2]); |
| 150 | if (mName.equals("wifi")) { |
| 151 | mType = ConnectivityManager.TYPE_WIFI; |
| 152 | } else { |
| 153 | mType = ConnectivityManager.TYPE_MOBILE; |
| 154 | } |
| 155 | } |
| 156 | } |
| 157 | RadioAttributes[] mRadioAttributes; |
| 158 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 159 | private static class ConnectivityThread extends Thread { |
| 160 | private Context mContext; |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 161 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 162 | private ConnectivityThread(Context context) { |
| 163 | super("ConnectivityThread"); |
| 164 | mContext = context; |
| 165 | } |
| 166 | |
| 167 | @Override |
| 168 | public void run() { |
| 169 | Looper.prepare(); |
| 170 | synchronized (this) { |
| 171 | sServiceInstance = new ConnectivityService(mContext); |
| 172 | notifyAll(); |
| 173 | } |
| 174 | Looper.loop(); |
| 175 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 176 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 177 | public static ConnectivityService getServiceInstance(Context context) { |
| 178 | ConnectivityThread thread = new ConnectivityThread(context); |
| 179 | thread.start(); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 180 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 181 | synchronized (thread) { |
| 182 | while (sServiceInstance == null) { |
| 183 | try { |
| 184 | // Wait until sServiceInstance has been initialized. |
| 185 | thread.wait(); |
| 186 | } catch (InterruptedException ignore) { |
| 187 | Log.e(TAG, |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 188 | "Unexpected InterruptedException while waiting"+ |
| 189 | " for ConnectivityService thread"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 190 | } |
| 191 | } |
| 192 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 193 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 194 | return sServiceInstance; |
| 195 | } |
| 196 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 197 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 198 | public static ConnectivityService getInstance(Context context) { |
| 199 | return ConnectivityThread.getServiceInstance(context); |
| 200 | } |
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 | private ConnectivityService(Context context) { |
| 203 | if (DBG) Log.v(TAG, "ConnectivityService starting up"); |
| 204 | mContext = context; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 205 | mNetTrackers = new NetworkStateTracker[ |
| 206 | ConnectivityManager.MAX_NETWORK_TYPE+1]; |
| 207 | mHandler = new MyHandler(); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 208 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 209 | mNetworkPreference = getPersistedNetworkPreference(); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 210 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 211 | // Load device network attributes from resources |
| 212 | mNetAttributes = new NetworkAttributes[ |
| 213 | ConnectivityManager.MAX_NETWORK_TYPE+1]; |
| 214 | mRadioAttributes = new RadioAttributes[ |
| 215 | ConnectivityManager.MAX_RADIO_TYPE+1]; |
| 216 | String[] naStrings = context.getResources().getStringArray( |
| 217 | com.android.internal.R.array.networkAttributes); |
| 218 | // TODO - what if the setting has gaps/unknown types? |
| 219 | for (String a : naStrings) { |
| 220 | NetworkAttributes n = new NetworkAttributes(a); |
| 221 | mNetAttributes[n.mType] = n; |
| 222 | } |
| 223 | String[] raStrings = context.getResources().getStringArray( |
| 224 | com.android.internal.R.array.radioAttributes); |
| 225 | for (String a : raStrings) { |
| 226 | RadioAttributes r = new RadioAttributes(a); |
| 227 | mRadioAttributes[r.mType] = r; |
| 228 | } |
| 229 | |
| 230 | // high priority first |
| 231 | mPriorityList = new int[naStrings.length]; |
| 232 | { |
| 233 | int priority = 0; //lowest |
| 234 | int nextPos = naStrings.length-1; |
| 235 | while (nextPos>-1) { |
| 236 | for (int i = 0; i < mNetAttributes.length; i++) { |
| 237 | if(mNetAttributes[i].mPriority == priority) { |
| 238 | mPriorityList[nextPos--] = i; |
| 239 | } |
| 240 | } |
| 241 | priority++; |
| 242 | } |
| 243 | } |
| 244 | |
| 245 | mNetRequestersPids = |
| 246 | new ArrayList[ConnectivityManager.MAX_NETWORK_TYPE+1]; |
| 247 | for (int i=0; i<=ConnectivityManager.MAX_NETWORK_TYPE; i++) { |
| 248 | mNetRequestersPids[i] = new ArrayList(); |
| 249 | } |
| 250 | |
| 251 | mFeatureUsers = new ArrayList(); |
| 252 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 253 | /* |
| 254 | * Create the network state trackers for Wi-Fi and mobile |
| 255 | * data. Maybe this could be done with a factory class, |
| 256 | * but it's not clear that it's worth it, given that |
| 257 | * the number of different network types is not going |
| 258 | * to change very often. |
| 259 | */ |
| 260 | if (DBG) Log.v(TAG, "Starting Wifi Service."); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 261 | WifiStateTracker wst = new WifiStateTracker(context, mHandler); |
| 262 | WifiService wifiService = new WifiService(context, wst); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 263 | ServiceManager.addService(Context.WIFI_SERVICE, wifiService); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 264 | mNetTrackers[ConnectivityManager.TYPE_WIFI] = wst; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 265 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 266 | mNetTrackers[ConnectivityManager.TYPE_MOBILE] = |
| 267 | new MobileDataStateTracker(context, mHandler, |
| 268 | ConnectivityManager.TYPE_MOBILE, Phone.APN_TYPE_DEFAULT, |
| 269 | "MOBILE"); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 270 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 271 | mNetTrackers[ConnectivityManager.TYPE_MOBILE_MMS] = |
| 272 | new MobileDataStateTracker(context, mHandler, |
| 273 | ConnectivityManager.TYPE_MOBILE_MMS, Phone.APN_TYPE_MMS, |
| 274 | "MOBILE_MMS"); |
| 275 | |
| 276 | mNetTrackers[ConnectivityManager.TYPE_MOBILE_SUPL] = |
| 277 | new MobileDataStateTracker(context, mHandler, |
| 278 | ConnectivityManager.TYPE_MOBILE_SUPL, Phone.APN_TYPE_SUPL, |
| 279 | "MOBILE_SUPL"); |
| 280 | |
| 281 | mNetTrackers[ConnectivityManager.TYPE_MOBILE_DUN] = |
| 282 | new MobileDataStateTracker(context, mHandler, |
| 283 | ConnectivityManager.TYPE_MOBILE_DUN, Phone.APN_TYPE_DUN, |
| 284 | "MOBILE_DUN"); |
| 285 | |
| 286 | mNetTrackers[ConnectivityManager.TYPE_MOBILE_HIPRI] = |
| 287 | new MobileDataStateTracker(context, mHandler, |
| 288 | ConnectivityManager.TYPE_MOBILE_HIPRI, Phone.APN_TYPE_HIPRI, |
| 289 | "MOBILE_HIPRI"); |
| 290 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 291 | mNumDnsEntries = 0; |
| 292 | |
| 293 | mTestMode = SystemProperties.get("cm.test.mode").equals("true") |
| 294 | && SystemProperties.get("ro.build.type").equals("eng"); |
| 295 | |
| 296 | for (NetworkStateTracker t : mNetTrackers) |
| 297 | t.startMonitoring(); |
| 298 | |
| 299 | // Constructing this starts it too |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 300 | mWifiWatchdogService = new WifiWatchdogService(context, wst); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 301 | } |
| 302 | |
| 303 | /** |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 304 | * Sets the preferred network. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 305 | * @param preference the new preference |
| 306 | */ |
| 307 | public synchronized void setNetworkPreference(int preference) { |
| 308 | enforceChangePermission(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 309 | if (ConnectivityManager.isNetworkTypeValid(preference) && |
| 310 | mNetAttributes[preference].isDefault()) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 311 | if (mNetworkPreference != preference) { |
| 312 | persistNetworkPreference(preference); |
| 313 | mNetworkPreference = preference; |
| 314 | enforcePreference(); |
| 315 | } |
| 316 | } |
| 317 | } |
| 318 | |
| 319 | public int getNetworkPreference() { |
| 320 | enforceAccessPermission(); |
| 321 | return mNetworkPreference; |
| 322 | } |
| 323 | |
| 324 | private void persistNetworkPreference(int networkPreference) { |
| 325 | final ContentResolver cr = mContext.getContentResolver(); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 326 | Settings.Secure.putInt(cr, Settings.Secure.NETWORK_PREFERENCE, |
| 327 | networkPreference); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 328 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 329 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 330 | private int getPersistedNetworkPreference() { |
| 331 | final ContentResolver cr = mContext.getContentResolver(); |
| 332 | |
| 333 | final int networkPrefSetting = Settings.Secure |
| 334 | .getInt(cr, Settings.Secure.NETWORK_PREFERENCE, -1); |
| 335 | if (networkPrefSetting != -1) { |
| 336 | return networkPrefSetting; |
| 337 | } |
| 338 | |
| 339 | return ConnectivityManager.DEFAULT_NETWORK_PREFERENCE; |
| 340 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 341 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 342 | /** |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 343 | * 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] | 344 | * In this method, we only tear down a non-preferred network. Establishing |
| 345 | * a connection to the preferred network is taken care of when we handle |
| 346 | * the disconnect event from the non-preferred network |
| 347 | * (see {@link #handleDisconnect(NetworkInfo)}). |
| 348 | */ |
| 349 | private void enforcePreference() { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 350 | if (mNetTrackers[mNetworkPreference].getNetworkInfo().isConnected()) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 351 | return; |
| 352 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 353 | if (!mNetTrackers[mNetworkPreference].isAvailable()) |
| 354 | return; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 355 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 356 | for (int t=0; t <= ConnectivityManager.MAX_RADIO_TYPE; t++) { |
| 357 | if (t != mNetworkPreference && |
| 358 | mNetTrackers[t].getNetworkInfo().isConnected()) { |
Robert Greenwalt | ec9fe46 | 2009-08-20 15:25:14 -0700 | [diff] [blame] | 359 | if (DBG) { |
| 360 | Log.d(TAG, "tearing down " + |
| 361 | mNetTrackers[t].getNetworkInfo() + |
| 362 | " in enforcePreference"); |
| 363 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 364 | teardown(mNetTrackers[t]); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 365 | } |
| 366 | } |
| 367 | } |
| 368 | |
| 369 | private boolean teardown(NetworkStateTracker netTracker) { |
| 370 | if (netTracker.teardown()) { |
| 371 | netTracker.setTeardownRequested(true); |
| 372 | return true; |
| 373 | } else { |
| 374 | return false; |
| 375 | } |
| 376 | } |
| 377 | |
| 378 | /** |
| 379 | * Return NetworkInfo for the active (i.e., connected) network interface. |
| 380 | * It is assumed that at most one network is active at a time. If more |
| 381 | * than one is active, it is indeterminate which will be returned. |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 382 | * @return the info for the active network, or {@code null} if none is |
| 383 | * active |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 384 | */ |
| 385 | public NetworkInfo getActiveNetworkInfo() { |
| 386 | enforceAccessPermission(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 387 | for (int type=0; type <= ConnectivityManager.MAX_NETWORK_TYPE; type++) { |
| 388 | if (!mNetAttributes[type].isDefault()) { |
| 389 | continue; |
| 390 | } |
| 391 | NetworkStateTracker t = mNetTrackers[type]; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 392 | NetworkInfo info = t.getNetworkInfo(); |
| 393 | if (info.isConnected()) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 394 | if (DBG && type != mActiveDefaultNetwork) Log.e(TAG, |
| 395 | "connected default network is not " + |
| 396 | "mActiveDefaultNetwork!"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 397 | return info; |
| 398 | } |
| 399 | } |
| 400 | return null; |
| 401 | } |
| 402 | |
| 403 | public NetworkInfo getNetworkInfo(int networkType) { |
| 404 | enforceAccessPermission(); |
| 405 | if (ConnectivityManager.isNetworkTypeValid(networkType)) { |
| 406 | NetworkStateTracker t = mNetTrackers[networkType]; |
| 407 | if (t != null) |
| 408 | return t.getNetworkInfo(); |
| 409 | } |
| 410 | return null; |
| 411 | } |
| 412 | |
| 413 | public NetworkInfo[] getAllNetworkInfo() { |
| 414 | enforceAccessPermission(); |
| 415 | NetworkInfo[] result = new NetworkInfo[mNetTrackers.length]; |
| 416 | int i = 0; |
| 417 | for (NetworkStateTracker t : mNetTrackers) { |
| 418 | result[i++] = t.getNetworkInfo(); |
| 419 | } |
| 420 | return result; |
| 421 | } |
| 422 | |
| 423 | public boolean setRadios(boolean turnOn) { |
| 424 | boolean result = true; |
| 425 | enforceChangePermission(); |
| 426 | for (NetworkStateTracker t : mNetTrackers) { |
| 427 | result = t.setRadio(turnOn) && result; |
| 428 | } |
| 429 | return result; |
| 430 | } |
| 431 | |
| 432 | public boolean setRadio(int netType, boolean turnOn) { |
| 433 | enforceChangePermission(); |
| 434 | if (!ConnectivityManager.isNetworkTypeValid(netType)) { |
| 435 | return false; |
| 436 | } |
| 437 | NetworkStateTracker tracker = mNetTrackers[netType]; |
| 438 | return tracker != null && tracker.setRadio(turnOn); |
| 439 | } |
| 440 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 441 | /** |
| 442 | * Used to notice when the calling process dies so we can self-expire |
| 443 | * |
| 444 | * Also used to know if the process has cleaned up after itself when |
| 445 | * our auto-expire timer goes off. The timer has a link to an object. |
| 446 | * |
| 447 | */ |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 448 | private class FeatureUser implements IBinder.DeathRecipient { |
| 449 | int mNetworkType; |
| 450 | String mFeature; |
| 451 | IBinder mBinder; |
| 452 | int mPid; |
| 453 | int mUid; |
| 454 | |
| 455 | FeatureUser(int type, String feature, IBinder binder) { |
| 456 | super(); |
| 457 | mNetworkType = type; |
| 458 | mFeature = feature; |
| 459 | mBinder = binder; |
| 460 | mPid = getCallingPid(); |
| 461 | mUid = getCallingUid(); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 462 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 463 | try { |
| 464 | mBinder.linkToDeath(this, 0); |
| 465 | } catch (RemoteException e) { |
| 466 | binderDied(); |
| 467 | } |
| 468 | } |
| 469 | |
| 470 | void unlinkDeathRecipient() { |
| 471 | mBinder.unlinkToDeath(this, 0); |
| 472 | } |
| 473 | |
| 474 | public void binderDied() { |
| 475 | Log.d(TAG, "ConnectivityService FeatureUser binderDied(" + |
| 476 | mNetworkType + ", " + mFeature + ", " + mBinder); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 477 | stopUsingNetworkFeature(this, false); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 478 | } |
| 479 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 480 | public void expire() { |
| 481 | Log.d(TAG, "ConnectivityService FeatureUser expire(" + |
| 482 | mNetworkType + ", " + mFeature + ", " + mBinder); |
| 483 | stopUsingNetworkFeature(this, false); |
| 484 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 485 | } |
| 486 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 487 | // javadoc from interface |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 488 | public int startUsingNetworkFeature(int networkType, String feature, |
| 489 | IBinder binder) { |
| 490 | if (DBG) { |
| 491 | Log.d(TAG, "startUsingNetworkFeature for net " + networkType + |
| 492 | ": " + feature); |
| 493 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 494 | enforceChangePermission(); |
| 495 | if (!ConnectivityManager.isNetworkTypeValid(networkType)) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 496 | return Phone.APN_REQUEST_FAILED; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 497 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 498 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 499 | FeatureUser f = new FeatureUser(networkType, feature, binder); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 500 | |
| 501 | // TODO - move this into the MobileDataStateTracker |
| 502 | int usedNetworkType = networkType; |
| 503 | if(networkType == ConnectivityManager.TYPE_MOBILE) { |
| 504 | if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_MMS)) { |
| 505 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_MMS; |
| 506 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_SUPL)) { |
| 507 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_SUPL; |
| 508 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_DUN)) { |
| 509 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_DUN; |
| 510 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_HIPRI)) { |
| 511 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_HIPRI; |
| 512 | } |
| 513 | } |
| 514 | NetworkStateTracker network = mNetTrackers[usedNetworkType]; |
| 515 | if (network != null) { |
| 516 | if (usedNetworkType != networkType) { |
| 517 | Integer currentPid = new Integer(getCallingPid()); |
| 518 | |
| 519 | NetworkStateTracker radio = mNetTrackers[networkType]; |
| 520 | NetworkInfo ni = network.getNetworkInfo(); |
| 521 | |
| 522 | if (ni.isAvailable() == false) { |
| 523 | if (DBG) Log.d(TAG, "special network not available"); |
| 524 | return Phone.APN_TYPE_NOT_AVAILABLE; |
| 525 | } |
| 526 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 527 | synchronized(this) { |
| 528 | mFeatureUsers.add(f); |
| 529 | if (!mNetRequestersPids[usedNetworkType].contains(currentPid)) { |
| 530 | // this gets used for per-pid dns when connected |
| 531 | mNetRequestersPids[usedNetworkType].add(currentPid); |
| 532 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 533 | } |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 534 | mHandler.sendMessageDelayed(mHandler.obtainMessage( |
| 535 | NetworkStateTracker.EVENT_RESTORE_DEFAULT_NETWORK, |
| 536 | f), getRestoreDefaultNetworkDelay()); |
| 537 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 538 | |
Robert Greenwalt | a64bf83 | 2009-08-19 20:19:33 -0700 | [diff] [blame] | 539 | if ((ni.isConnectedOrConnecting() == true) && |
| 540 | !network.isTeardownRequested()) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 541 | if (ni.isConnected() == true) { |
| 542 | // add the pid-specific dns |
| 543 | handleDnsConfigurationChange(); |
| 544 | if (DBG) Log.d(TAG, "special network already active"); |
| 545 | return Phone.APN_ALREADY_ACTIVE; |
| 546 | } |
| 547 | if (DBG) Log.d(TAG, "special network already connecting"); |
| 548 | return Phone.APN_REQUEST_STARTED; |
| 549 | } |
| 550 | |
| 551 | // check if the radio in play can make another contact |
| 552 | // assume if cannot for now |
| 553 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 554 | if (DBG) Log.d(TAG, "reconnecting to special network"); |
| 555 | network.reconnect(); |
| 556 | return Phone.APN_REQUEST_STARTED; |
| 557 | } else { |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 558 | synchronized(this) { |
| 559 | mFeatureUsers.add(f); |
| 560 | } |
| 561 | mHandler.sendMessageDelayed(mHandler.obtainMessage( |
| 562 | NetworkStateTracker.EVENT_RESTORE_DEFAULT_NETWORK, |
| 563 | f), getRestoreDefaultNetworkDelay()); |
| 564 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 565 | return network.startUsingNetworkFeature(feature, |
| 566 | getCallingPid(), getCallingUid()); |
| 567 | } |
| 568 | } |
| 569 | return Phone.APN_TYPE_NOT_AVAILABLE; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 570 | } |
| 571 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 572 | // javadoc from interface |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 573 | public int stopUsingNetworkFeature(int networkType, String feature) { |
Robert Greenwalt | b8f1634 | 2009-10-06 17:52:40 -0700 | [diff] [blame] | 574 | enforceChangePermission(); |
| 575 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 576 | int pid = getCallingPid(); |
| 577 | int uid = getCallingUid(); |
| 578 | |
| 579 | FeatureUser u = null; |
| 580 | boolean found = false; |
| 581 | |
| 582 | synchronized(this) { |
| 583 | for (int i = 0; i < mFeatureUsers.size() ; i++) { |
| 584 | u = (FeatureUser)mFeatureUsers.get(i); |
| 585 | if (uid == u.mUid && pid == u.mPid && |
| 586 | networkType == u.mNetworkType && |
| 587 | TextUtils.equals(feature, u.mFeature)) { |
| 588 | found = true; |
| 589 | break; |
| 590 | } |
| 591 | } |
| 592 | } |
| 593 | if (found && u != null) { |
| 594 | // stop regardless of how many other time this proc had called start |
| 595 | return stopUsingNetworkFeature(u, true); |
| 596 | } else { |
| 597 | // none found! |
| 598 | return 1; |
| 599 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 600 | } |
| 601 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 602 | private int stopUsingNetworkFeature(FeatureUser u, boolean ignoreDups) { |
| 603 | int networkType = u.mNetworkType; |
| 604 | String feature = u.mFeature; |
| 605 | int pid = u.mPid; |
| 606 | int uid = u.mUid; |
| 607 | |
| 608 | NetworkStateTracker tracker = null; |
| 609 | boolean callTeardown = false; // used to carry our decision outside of sync block |
| 610 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 611 | if (DBG) { |
| 612 | Log.d(TAG, "stopUsingNetworkFeature for net " + networkType + |
| 613 | ": " + feature); |
| 614 | } |
Robert Greenwalt | b8f1634 | 2009-10-06 17:52:40 -0700 | [diff] [blame] | 615 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 616 | if (!ConnectivityManager.isNetworkTypeValid(networkType)) { |
| 617 | return -1; |
| 618 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 619 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 620 | // need to link the mFeatureUsers list with the mNetRequestersPids state in this |
| 621 | // sync block |
| 622 | synchronized(this) { |
| 623 | // check if this process still has an outstanding start request |
| 624 | if (!mFeatureUsers.contains(u)) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 625 | return 1; |
| 626 | } |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 627 | u.unlinkDeathRecipient(); |
| 628 | mFeatureUsers.remove(mFeatureUsers.indexOf(u)); |
| 629 | // If we care about duplicate requests, check for that here. |
| 630 | // |
| 631 | // This is done to support the extension of a request - the app |
| 632 | // can request we start the network feature again and renew the |
| 633 | // auto-shutoff delay. Normal "stop" calls from the app though |
| 634 | // do not pay attention to duplicate requests - in effect the |
| 635 | // API does not refcount and a single stop will counter multiple starts. |
| 636 | if (ignoreDups == false) { |
| 637 | for (int i = 0; i < mFeatureUsers.size() ; i++) { |
| 638 | FeatureUser x = (FeatureUser)mFeatureUsers.get(i); |
| 639 | if (x.mUid == u.mUid && x.mPid == u.mPid && |
| 640 | x.mNetworkType == u.mNetworkType && |
| 641 | TextUtils.equals(x.mFeature, u.mFeature)) { |
| 642 | return 1; |
| 643 | } |
| 644 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 645 | } |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 646 | |
| 647 | // TODO - move to MobileDataStateTracker |
| 648 | int usedNetworkType = networkType; |
| 649 | if (networkType == ConnectivityManager.TYPE_MOBILE) { |
| 650 | if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_MMS)) { |
| 651 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_MMS; |
| 652 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_SUPL)) { |
| 653 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_SUPL; |
| 654 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_DUN)) { |
| 655 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_DUN; |
| 656 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_HIPRI)) { |
| 657 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_HIPRI; |
| 658 | } |
| 659 | } |
| 660 | tracker = mNetTrackers[usedNetworkType]; |
| 661 | if(usedNetworkType != networkType) { |
| 662 | Integer currentPid = new Integer(pid); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 663 | mNetRequestersPids[usedNetworkType].remove(currentPid); |
Robert Greenwalt | 421c72b | 2009-12-17 14:54:59 -0800 | [diff] [blame^] | 664 | reassessPidDns(pid, true); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 665 | if (mNetRequestersPids[usedNetworkType].size() != 0) { |
| 666 | if (DBG) Log.d(TAG, "not tearing down special network - " + |
| 667 | "others still using it"); |
| 668 | return 1; |
| 669 | } |
| 670 | callTeardown = true; |
| 671 | } |
| 672 | } |
| 673 | |
| 674 | if (callTeardown) { |
| 675 | tracker.teardown(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 676 | return 1; |
| 677 | } else { |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 678 | // do it the old fashioned way |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 679 | return tracker.stopUsingNetworkFeature(feature, pid, uid); |
| 680 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 681 | } |
| 682 | |
| 683 | /** |
| 684 | * Ensure that a network route exists to deliver traffic to the specified |
| 685 | * host via the specified network interface. |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 686 | * @param networkType the type of the network over which traffic to the |
| 687 | * specified host is to be routed |
| 688 | * @param hostAddress the IP address of the host to which the route is |
| 689 | * desired |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 690 | * @return {@code true} on success, {@code false} on failure |
| 691 | */ |
| 692 | public boolean requestRouteToHost(int networkType, int hostAddress) { |
| 693 | enforceChangePermission(); |
| 694 | if (!ConnectivityManager.isNetworkTypeValid(networkType)) { |
| 695 | return false; |
| 696 | } |
| 697 | NetworkStateTracker tracker = mNetTrackers[networkType]; |
Robert Greenwalt | 8206ff3 | 2009-09-10 15:06:20 -0700 | [diff] [blame] | 698 | |
| 699 | if (!tracker.getNetworkInfo().isConnected() || tracker.isTeardownRequested()) { |
| 700 | if (DBG) { |
| 701 | Log.d(TAG, "requestRouteToHost on down network (" + networkType + " - dropped"); |
| 702 | } |
| 703 | return false; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 704 | } |
Robert Greenwalt | 8206ff3 | 2009-09-10 15:06:20 -0700 | [diff] [blame] | 705 | return tracker.requestRouteToHost(hostAddress); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 706 | } |
| 707 | |
| 708 | /** |
| 709 | * @see ConnectivityManager#getBackgroundDataSetting() |
| 710 | */ |
| 711 | public boolean getBackgroundDataSetting() { |
| 712 | return Settings.Secure.getInt(mContext.getContentResolver(), |
| 713 | Settings.Secure.BACKGROUND_DATA, 1) == 1; |
| 714 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 715 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 716 | /** |
| 717 | * @see ConnectivityManager#setBackgroundDataSetting(boolean) |
| 718 | */ |
| 719 | public void setBackgroundDataSetting(boolean allowBackgroundDataUsage) { |
| 720 | mContext.enforceCallingOrSelfPermission( |
| 721 | android.Manifest.permission.CHANGE_BACKGROUND_DATA_SETTING, |
| 722 | "ConnectivityService"); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 723 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 724 | if (getBackgroundDataSetting() == allowBackgroundDataUsage) return; |
| 725 | |
| 726 | Settings.Secure.putInt(mContext.getContentResolver(), |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 727 | Settings.Secure.BACKGROUND_DATA, |
| 728 | allowBackgroundDataUsage ? 1 : 0); |
| 729 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 730 | Intent broadcast = new Intent( |
| 731 | ConnectivityManager.ACTION_BACKGROUND_DATA_SETTING_CHANGED); |
| 732 | mContext.sendBroadcast(broadcast); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 733 | } |
| 734 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 735 | private int getNumConnectedNetworks() { |
| 736 | int numConnectedNets = 0; |
| 737 | |
| 738 | for (NetworkStateTracker nt : mNetTrackers) { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 739 | if (nt.getNetworkInfo().isConnected() && |
| 740 | !nt.isTeardownRequested()) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 741 | ++numConnectedNets; |
| 742 | } |
| 743 | } |
| 744 | return numConnectedNets; |
| 745 | } |
| 746 | |
| 747 | private void enforceAccessPermission() { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 748 | mContext.enforceCallingOrSelfPermission( |
| 749 | android.Manifest.permission.ACCESS_NETWORK_STATE, |
| 750 | "ConnectivityService"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 751 | } |
| 752 | |
| 753 | private void enforceChangePermission() { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 754 | mContext.enforceCallingOrSelfPermission( |
| 755 | android.Manifest.permission.CHANGE_NETWORK_STATE, |
| 756 | "ConnectivityService"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 757 | } |
| 758 | |
| 759 | /** |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 760 | * Handle a {@code DISCONNECTED} event. If this pertains to the non-active |
| 761 | * network, we ignore it. If it is for the active network, we send out a |
| 762 | * broadcast. But first, we check whether it might be possible to connect |
| 763 | * to a different network. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 764 | * @param info the {@code NetworkInfo} for the network |
| 765 | */ |
| 766 | private void handleDisconnect(NetworkInfo info) { |
| 767 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 768 | int prevNetType = info.getType(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 769 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 770 | mNetTrackers[prevNetType].setTeardownRequested(false); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 771 | /* |
| 772 | * If the disconnected network is not the active one, then don't report |
| 773 | * this as a loss of connectivity. What probably happened is that we're |
| 774 | * getting the disconnect for a network that we explicitly disabled |
| 775 | * in accordance with network preference policies. |
| 776 | */ |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 777 | if (!mNetAttributes[prevNetType].isDefault()) { |
| 778 | List pids = mNetRequestersPids[prevNetType]; |
| 779 | for (int i = 0; i<pids.size(); i++) { |
| 780 | Integer pid = (Integer)pids.get(i); |
| 781 | // will remove them because the net's no longer connected |
| 782 | // need to do this now as only now do we know the pids and |
| 783 | // can properly null things that are no longer referenced. |
| 784 | reassessPidDns(pid.intValue(), false); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 785 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 786 | } |
| 787 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 788 | Intent intent = new Intent(ConnectivityManager.CONNECTIVITY_ACTION); |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 789 | intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 790 | intent.putExtra(ConnectivityManager.EXTRA_NETWORK_INFO, info); |
| 791 | if (info.isFailover()) { |
| 792 | intent.putExtra(ConnectivityManager.EXTRA_IS_FAILOVER, true); |
| 793 | info.setFailover(false); |
| 794 | } |
| 795 | if (info.getReason() != null) { |
| 796 | intent.putExtra(ConnectivityManager.EXTRA_REASON, info.getReason()); |
| 797 | } |
| 798 | if (info.getExtraInfo() != null) { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 799 | intent.putExtra(ConnectivityManager.EXTRA_EXTRA_INFO, |
| 800 | info.getExtraInfo()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 801 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 802 | |
| 803 | /* |
| 804 | * If this is a default network, check if other defaults are available |
| 805 | * or active |
| 806 | */ |
| 807 | NetworkStateTracker newNet = null; |
| 808 | if (mNetAttributes[prevNetType].isDefault()) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 809 | if (mActiveDefaultNetwork == prevNetType) { |
| 810 | mActiveDefaultNetwork = -1; |
| 811 | } |
| 812 | |
| 813 | int newType = -1; |
| 814 | int newPriority = -1; |
| 815 | for (int checkType=0; checkType <= |
| 816 | ConnectivityManager.MAX_NETWORK_TYPE; checkType++) { |
| 817 | if (checkType == prevNetType) { |
| 818 | continue; |
| 819 | } |
| 820 | if (mNetAttributes[checkType].isDefault()) { |
| 821 | /* TODO - if we have multiple nets we could use |
| 822 | * we may want to put more thought into which we choose |
| 823 | */ |
| 824 | if (checkType == mNetworkPreference) { |
| 825 | newType = checkType; |
| 826 | break; |
| 827 | } |
| 828 | if (mRadioAttributes[mNetAttributes[checkType].mRadio]. |
| 829 | mPriority > newPriority) { |
| 830 | newType = checkType; |
| 831 | newPriority = mRadioAttributes[mNetAttributes[newType]. |
| 832 | mRadio].mPriority; |
| 833 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 834 | } |
| 835 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 836 | |
| 837 | if (newType != -1) { |
| 838 | newNet = mNetTrackers[newType]; |
| 839 | /** |
| 840 | * See if the other network is available to fail over to. |
| 841 | * If is not available, we enable it anyway, so that it |
| 842 | * will be able to connect when it does become available, |
| 843 | * but we report a total loss of connectivity rather than |
| 844 | * report that we are attempting to fail over. |
| 845 | */ |
| 846 | if (newNet.isAvailable()) { |
| 847 | NetworkInfo switchTo = newNet.getNetworkInfo(); |
| 848 | switchTo.setFailover(true); |
Robert Greenwalt | a64bf83 | 2009-08-19 20:19:33 -0700 | [diff] [blame] | 849 | if (!switchTo.isConnectedOrConnecting() || |
| 850 | newNet.isTeardownRequested()) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 851 | newNet.reconnect(); |
| 852 | } |
| 853 | if (DBG) { |
| 854 | if (switchTo.isConnected()) { |
| 855 | Log.v(TAG, "Switching to already connected " + |
| 856 | switchTo.getTypeName()); |
| 857 | } else { |
| 858 | Log.v(TAG, "Attempting to switch to " + |
| 859 | switchTo.getTypeName()); |
| 860 | } |
| 861 | } |
| 862 | intent.putExtra(ConnectivityManager. |
| 863 | EXTRA_OTHER_NETWORK_INFO, switchTo); |
| 864 | } else { |
Robert Greenwalt | c7d2530 | 2009-09-17 14:58:16 -0700 | [diff] [blame] | 865 | intent.putExtra(ConnectivityManager.EXTRA_NO_CONNECTIVITY, |
| 866 | true); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 867 | newNet.reconnect(); |
| 868 | } |
| 869 | } else { |
| 870 | intent.putExtra(ConnectivityManager.EXTRA_NO_CONNECTIVITY, |
| 871 | true); |
| 872 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 873 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 874 | |
| 875 | // do this before we broadcast the change |
| 876 | handleConnectivityChange(); |
| 877 | |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 878 | sendStickyBroadcast(intent); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 879 | /* |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 880 | * If the failover network is already connected, then immediately send |
| 881 | * out a followup broadcast indicating successful failover |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 882 | */ |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 883 | if (newNet != null && newNet.getNetworkInfo().isConnected()) |
| 884 | sendConnectedBroadcast(newNet.getNetworkInfo()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 885 | } |
| 886 | |
| 887 | private void sendConnectedBroadcast(NetworkInfo info) { |
| 888 | Intent intent = new Intent(ConnectivityManager.CONNECTIVITY_ACTION); |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 889 | intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 890 | intent.putExtra(ConnectivityManager.EXTRA_NETWORK_INFO, info); |
| 891 | if (info.isFailover()) { |
| 892 | intent.putExtra(ConnectivityManager.EXTRA_IS_FAILOVER, true); |
| 893 | info.setFailover(false); |
| 894 | } |
| 895 | if (info.getReason() != null) { |
| 896 | intent.putExtra(ConnectivityManager.EXTRA_REASON, info.getReason()); |
| 897 | } |
| 898 | if (info.getExtraInfo() != null) { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 899 | intent.putExtra(ConnectivityManager.EXTRA_EXTRA_INFO, |
| 900 | info.getExtraInfo()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 901 | } |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 902 | sendStickyBroadcast(intent); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 903 | } |
| 904 | |
| 905 | /** |
| 906 | * Called when an attempt to fail over to another network has failed. |
| 907 | * @param info the {@link NetworkInfo} for the failed network |
| 908 | */ |
| 909 | private void handleConnectionFailure(NetworkInfo info) { |
| 910 | mNetTrackers[info.getType()].setTeardownRequested(false); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 911 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 912 | String reason = info.getReason(); |
| 913 | String extraInfo = info.getExtraInfo(); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 914 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 915 | if (DBG) { |
| 916 | String reasonText; |
| 917 | if (reason == null) { |
| 918 | reasonText = "."; |
| 919 | } else { |
| 920 | reasonText = " (" + reason + ")."; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 921 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 922 | Log.v(TAG, "Attempt to connect to " + info.getTypeName() + |
| 923 | " failed" + reasonText); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 924 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 925 | |
| 926 | Intent intent = new Intent(ConnectivityManager.CONNECTIVITY_ACTION); |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 927 | intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 928 | intent.putExtra(ConnectivityManager.EXTRA_NETWORK_INFO, info); |
| 929 | if (getActiveNetworkInfo() == null) { |
| 930 | intent.putExtra(ConnectivityManager.EXTRA_NO_CONNECTIVITY, true); |
| 931 | } |
| 932 | if (reason != null) { |
| 933 | intent.putExtra(ConnectivityManager.EXTRA_REASON, reason); |
| 934 | } |
| 935 | if (extraInfo != null) { |
| 936 | intent.putExtra(ConnectivityManager.EXTRA_EXTRA_INFO, extraInfo); |
| 937 | } |
| 938 | if (info.isFailover()) { |
| 939 | intent.putExtra(ConnectivityManager.EXTRA_IS_FAILOVER, true); |
| 940 | info.setFailover(false); |
| 941 | } |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 942 | sendStickyBroadcast(intent); |
| 943 | } |
| 944 | |
| 945 | private void sendStickyBroadcast(Intent intent) { |
| 946 | synchronized(this) { |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 947 | if (!mSystemReady) { |
| 948 | mInitialBroadcast = new Intent(intent); |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 949 | } |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 950 | intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); |
| 951 | mContext.sendStickyBroadcast(intent); |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 952 | } |
| 953 | } |
| 954 | |
| 955 | void systemReady() { |
| 956 | synchronized(this) { |
| 957 | mSystemReady = true; |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 958 | if (mInitialBroadcast != null) { |
| 959 | mContext.sendStickyBroadcast(mInitialBroadcast); |
| 960 | mInitialBroadcast = null; |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 961 | } |
| 962 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 963 | } |
| 964 | |
| 965 | private void handleConnect(NetworkInfo info) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 966 | int type = info.getType(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 967 | |
| 968 | // snapshot isFailover, because sendConnectedBroadcast() resets it |
| 969 | boolean isFailover = info.isFailover(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 970 | NetworkStateTracker thisNet = mNetTrackers[type]; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 971 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 972 | // if this is a default net and other default is running |
| 973 | // kill the one not preferred |
| 974 | if (mNetAttributes[type].isDefault()) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 975 | if (mActiveDefaultNetwork != -1 && mActiveDefaultNetwork != type) { |
| 976 | if ((type != mNetworkPreference && |
| 977 | mNetAttributes[mActiveDefaultNetwork].mPriority > |
| 978 | mNetAttributes[type].mPriority) || |
| 979 | mNetworkPreference == mActiveDefaultNetwork) { |
| 980 | // don't accept this one |
| 981 | if (DBG) Log.v(TAG, "Not broadcasting CONNECT_ACTION " + |
| 982 | "to torn down network " + info.getTypeName()); |
| 983 | teardown(thisNet); |
| 984 | return; |
| 985 | } else { |
| 986 | // tear down the other |
| 987 | NetworkStateTracker otherNet = |
| 988 | mNetTrackers[mActiveDefaultNetwork]; |
| 989 | if (DBG) Log.v(TAG, "Policy requires " + |
| 990 | otherNet.getNetworkInfo().getTypeName() + |
| 991 | " teardown"); |
| 992 | if (!teardown(otherNet)) { |
| 993 | Log.e(TAG, "Network declined teardown request"); |
| 994 | return; |
| 995 | } |
| 996 | if (isFailover) { |
| 997 | otherNet.releaseWakeLock(); |
| 998 | } |
| 999 | } |
| 1000 | } |
| 1001 | mActiveDefaultNetwork = type; |
| 1002 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1003 | thisNet.setTeardownRequested(false); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1004 | thisNet.updateNetworkSettings(); |
| 1005 | handleConnectivityChange(); |
| 1006 | sendConnectedBroadcast(info); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1007 | } |
| 1008 | |
| 1009 | private void handleScanResultsAvailable(NetworkInfo info) { |
| 1010 | int networkType = info.getType(); |
| 1011 | if (networkType != ConnectivityManager.TYPE_WIFI) { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1012 | if (DBG) Log.v(TAG, "Got ScanResultsAvailable for " + |
| 1013 | info.getTypeName() + " network. Don't know how to handle."); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1014 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1015 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1016 | mNetTrackers[networkType].interpretScanResultsAvailable(); |
| 1017 | } |
| 1018 | |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1019 | private void handleNotificationChange(boolean visible, int id, |
| 1020 | Notification notification) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1021 | NotificationManager notificationManager = (NotificationManager) mContext |
| 1022 | .getSystemService(Context.NOTIFICATION_SERVICE); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1023 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1024 | if (visible) { |
| 1025 | notificationManager.notify(id, notification); |
| 1026 | } else { |
| 1027 | notificationManager.cancel(id); |
| 1028 | } |
| 1029 | } |
| 1030 | |
| 1031 | /** |
| 1032 | * After any kind of change in the connectivity state of any network, |
| 1033 | * make sure that anything that depends on the connectivity state of |
| 1034 | * more than one network is set up correctly. We're mainly concerned |
| 1035 | * with making sure that the list of DNS servers is set up according |
| 1036 | * to which networks are connected, and ensuring that the right routing |
| 1037 | * table entries exist. |
| 1038 | */ |
| 1039 | private void handleConnectivityChange() { |
| 1040 | /* |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1041 | * If a non-default network is enabled, add the host routes that |
Robert Greenwalt | 1ef95f9 | 2009-09-30 21:01:30 -0700 | [diff] [blame] | 1042 | * 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] | 1043 | * If both mobile and wifi are enabled, add the host routes that |
| 1044 | * will allow MMS traffic to pass on the mobile network. But |
| 1045 | * remove the default route for the mobile network, so that there |
| 1046 | * will be only one default route, to ensure that all traffic |
| 1047 | * except MMS will travel via Wi-Fi. |
| 1048 | */ |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1049 | handleDnsConfigurationChange(); |
| 1050 | |
| 1051 | for (int netType : mPriorityList) { |
| 1052 | if (mNetTrackers[netType].getNetworkInfo().isConnected()) { |
| 1053 | if (mNetAttributes[netType].isDefault()) { |
| 1054 | mNetTrackers[netType].addDefaultRoute(); |
| 1055 | } else { |
| 1056 | mNetTrackers[netType].addPrivateDnsRoutes(); |
| 1057 | } |
| 1058 | } else { |
| 1059 | if (mNetAttributes[netType].isDefault()) { |
| 1060 | mNetTrackers[netType].removeDefaultRoute(); |
| 1061 | } else { |
| 1062 | mNetTrackers[netType].removePrivateDnsRoutes(); |
| 1063 | } |
| 1064 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1065 | } |
| 1066 | } |
| 1067 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1068 | /** |
| 1069 | * Adjust the per-process dns entries (net.dns<x>.<pid>) based |
| 1070 | * on the highest priority active net which this process requested. |
| 1071 | * If there aren't any, clear it out |
| 1072 | */ |
| 1073 | private void reassessPidDns(int myPid, boolean doBump) |
| 1074 | { |
| 1075 | if (DBG) Log.d(TAG, "reassessPidDns for pid " + myPid); |
| 1076 | for(int i : mPriorityList) { |
| 1077 | if (mNetAttributes[i].isDefault()) { |
| 1078 | continue; |
| 1079 | } |
| 1080 | NetworkStateTracker nt = mNetTrackers[i]; |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1081 | if (nt.getNetworkInfo().isConnected() && |
| 1082 | !nt.isTeardownRequested()) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1083 | List pids = mNetRequestersPids[i]; |
| 1084 | for (int j=0; j<pids.size(); j++) { |
| 1085 | Integer pid = (Integer)pids.get(j); |
| 1086 | if (pid.intValue() == myPid) { |
| 1087 | String[] dnsList = nt.getNameServers(); |
| 1088 | writePidDns(dnsList, myPid); |
| 1089 | if (doBump) { |
| 1090 | bumpDns(); |
| 1091 | } |
| 1092 | return; |
| 1093 | } |
| 1094 | } |
| 1095 | } |
| 1096 | } |
| 1097 | // nothing found - delete |
| 1098 | for (int i = 1; ; i++) { |
| 1099 | String prop = "net.dns" + i + "." + myPid; |
| 1100 | if (SystemProperties.get(prop).length() == 0) { |
| 1101 | if (doBump) { |
| 1102 | bumpDns(); |
| 1103 | } |
| 1104 | return; |
| 1105 | } |
| 1106 | SystemProperties.set(prop, ""); |
| 1107 | } |
| 1108 | } |
| 1109 | |
| 1110 | private void writePidDns(String[] dnsList, int pid) { |
| 1111 | int j = 1; |
| 1112 | for (String dns : dnsList) { |
| 1113 | if (dns != null && !TextUtils.equals(dns, "0.0.0.0")) { |
| 1114 | SystemProperties.set("net.dns" + j++ + "." + pid, dns); |
| 1115 | } |
| 1116 | } |
| 1117 | } |
| 1118 | |
| 1119 | private void bumpDns() { |
| 1120 | /* |
| 1121 | * Bump the property that tells the name resolver library to reread |
| 1122 | * the DNS server list from the properties. |
| 1123 | */ |
| 1124 | String propVal = SystemProperties.get("net.dnschange"); |
| 1125 | int n = 0; |
| 1126 | if (propVal.length() != 0) { |
| 1127 | try { |
| 1128 | n = Integer.parseInt(propVal); |
| 1129 | } catch (NumberFormatException e) {} |
| 1130 | } |
| 1131 | SystemProperties.set("net.dnschange", "" + (n+1)); |
| 1132 | } |
| 1133 | |
| 1134 | private void handleDnsConfigurationChange() { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1135 | // add default net's dns entries |
| 1136 | for (int x = mPriorityList.length-1; x>= 0; x--) { |
| 1137 | int netType = mPriorityList[x]; |
| 1138 | NetworkStateTracker nt = mNetTrackers[netType]; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1139 | if (nt != null && nt.getNetworkInfo().isConnected() && |
| 1140 | !nt.isTeardownRequested()) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1141 | String[] dnsList = nt.getNameServers(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1142 | if (mNetAttributes[netType].isDefault()) { |
| 1143 | int j = 1; |
| 1144 | for (String dns : dnsList) { |
| 1145 | if (dns != null && !TextUtils.equals(dns, "0.0.0.0")) { |
Robert Greenwalt | 1ef95f9 | 2009-09-30 21:01:30 -0700 | [diff] [blame] | 1146 | if (DBG) { |
| 1147 | Log.d(TAG, "adding dns " + dns + " for " + |
| 1148 | nt.getNetworkInfo().getTypeName()); |
| 1149 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1150 | SystemProperties.set("net.dns" + j++, dns); |
| 1151 | } |
| 1152 | } |
| 1153 | for (int k=j ; k<mNumDnsEntries; k++) { |
Robert Greenwalt | b06324a | 2009-08-25 14:00:10 -0700 | [diff] [blame] | 1154 | if (DBG) Log.d(TAG, "erasing net.dns" + k); |
| 1155 | SystemProperties.set("net.dns" + k, ""); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1156 | } |
| 1157 | mNumDnsEntries = j; |
| 1158 | } else { |
| 1159 | // set per-pid dns for attached secondary nets |
| 1160 | List pids = mNetRequestersPids[netType]; |
| 1161 | for (int y=0; y< pids.size(); y++) { |
| 1162 | Integer pid = (Integer)pids.get(y); |
| 1163 | writePidDns(dnsList, pid.intValue()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1164 | } |
| 1165 | } |
| 1166 | } |
| 1167 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1168 | |
| 1169 | bumpDns(); |
| 1170 | } |
| 1171 | |
| 1172 | private int getRestoreDefaultNetworkDelay() { |
| 1173 | String restoreDefaultNetworkDelayStr = SystemProperties.get( |
| 1174 | NETWORK_RESTORE_DELAY_PROP_NAME); |
| 1175 | if(restoreDefaultNetworkDelayStr != null && |
| 1176 | restoreDefaultNetworkDelayStr.length() != 0) { |
| 1177 | try { |
| 1178 | return Integer.valueOf(restoreDefaultNetworkDelayStr); |
| 1179 | } catch (NumberFormatException e) { |
| 1180 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1181 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1182 | return RESTORE_DEFAULT_NETWORK_DELAY; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1183 | } |
| 1184 | |
| 1185 | @Override |
| 1186 | protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1187 | if (mContext.checkCallingOrSelfPermission( |
| 1188 | android.Manifest.permission.DUMP) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1189 | != PackageManager.PERMISSION_GRANTED) { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1190 | pw.println("Permission Denial: can't dump ConnectivityService " + |
| 1191 | "from from pid=" + Binder.getCallingPid() + ", uid=" + |
| 1192 | Binder.getCallingUid()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1193 | return; |
| 1194 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1195 | pw.println(); |
| 1196 | for (NetworkStateTracker nst : mNetTrackers) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1197 | if (nst.getNetworkInfo().isConnected()) { |
| 1198 | pw.println("Active network: " + nst.getNetworkInfo(). |
| 1199 | getTypeName()); |
| 1200 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1201 | pw.println(nst.getNetworkInfo()); |
| 1202 | pw.println(nst); |
| 1203 | pw.println(); |
| 1204 | } |
| 1205 | } |
| 1206 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1207 | // must be stateless - things change under us. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1208 | private class MyHandler extends Handler { |
| 1209 | @Override |
| 1210 | public void handleMessage(Message msg) { |
| 1211 | NetworkInfo info; |
| 1212 | switch (msg.what) { |
| 1213 | case NetworkStateTracker.EVENT_STATE_CHANGED: |
| 1214 | info = (NetworkInfo) msg.obj; |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1215 | int type = info.getType(); |
| 1216 | NetworkInfo.State state = info.getState(); |
| 1217 | if(mNetAttributes[type].mLastState == state) { |
| 1218 | if (DBG) { |
| 1219 | // TODO - remove this after we validate the dropping doesn't break anything |
| 1220 | Log.d(TAG, "Dropping ConnectivityChange for " + |
| 1221 | info.getTypeName() +": " + |
| 1222 | state + "/" + info.getDetailedState()); |
| 1223 | } |
| 1224 | return; |
| 1225 | } |
| 1226 | mNetAttributes[type].mLastState = state; |
| 1227 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1228 | if (DBG) Log.d(TAG, "ConnectivityChange for " + |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1229 | info.getTypeName() + ": " + |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1230 | state + "/" + info.getDetailedState()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1231 | |
| 1232 | // Connectivity state changed: |
| 1233 | // [31-13] Reserved for future use |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1234 | // [12-9] Network subtype (for mobile network, as defined |
| 1235 | // by TelephonyManager) |
| 1236 | // [8-3] Detailed state ordinal (as defined by |
| 1237 | // NetworkInfo.DetailedState) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1238 | // [2-0] Network type (as defined by ConnectivityManager) |
| 1239 | int eventLogParam = (info.getType() & 0x7) | |
| 1240 | ((info.getDetailedState().ordinal() & 0x3f) << 3) | |
| 1241 | (info.getSubtype() << 9); |
Doug Zongker | ab5c49c | 2009-12-04 10:31:43 -0800 | [diff] [blame] | 1242 | EventLog.writeEvent(EventLogTags.CONNECTIVITY_STATE_CHANGED, |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1243 | eventLogParam); |
| 1244 | |
| 1245 | if (info.getDetailedState() == |
| 1246 | NetworkInfo.DetailedState.FAILED) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1247 | handleConnectionFailure(info); |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1248 | } else if (state == NetworkInfo.State.DISCONNECTED) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1249 | handleDisconnect(info); |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1250 | } else if (state == NetworkInfo.State.SUSPENDED) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1251 | // TODO: need to think this over. |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1252 | // the logic here is, handle SUSPENDED the same as |
| 1253 | // DISCONNECTED. The only difference being we are |
| 1254 | // broadcasting an intent with NetworkInfo that's |
| 1255 | // suspended. This allows the applications an |
| 1256 | // opportunity to handle DISCONNECTED and SUSPENDED |
| 1257 | // differently, or not. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1258 | handleDisconnect(info); |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1259 | } else if (state == NetworkInfo.State.CONNECTED) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1260 | handleConnect(info); |
| 1261 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1262 | break; |
| 1263 | |
| 1264 | case NetworkStateTracker.EVENT_SCAN_RESULTS_AVAILABLE: |
| 1265 | info = (NetworkInfo) msg.obj; |
| 1266 | handleScanResultsAvailable(info); |
| 1267 | break; |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1268 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1269 | case NetworkStateTracker.EVENT_NOTIFICATION_CHANGED: |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1270 | handleNotificationChange(msg.arg1 == 1, msg.arg2, |
| 1271 | (Notification) msg.obj); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1272 | |
| 1273 | case NetworkStateTracker.EVENT_CONFIGURATION_CHANGED: |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1274 | handleDnsConfigurationChange(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1275 | break; |
| 1276 | |
| 1277 | case NetworkStateTracker.EVENT_ROAMING_CHANGED: |
| 1278 | // fill me in |
| 1279 | break; |
| 1280 | |
| 1281 | case NetworkStateTracker.EVENT_NETWORK_SUBTYPE_CHANGED: |
| 1282 | // fill me in |
| 1283 | break; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1284 | case NetworkStateTracker.EVENT_RESTORE_DEFAULT_NETWORK: |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 1285 | FeatureUser u = (FeatureUser)msg.obj; |
| 1286 | u.expire(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1287 | break; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1288 | } |
| 1289 | } |
| 1290 | } |
| 1291 | } |