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; |
Banavathu, Srinivas Naik | 9bc709d | 2010-08-10 20:13:53 +0530 | [diff] [blame^] | 30 | import android.net.NetworkUtils; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 31 | import android.net.wifi.WifiStateTracker; |
| 32 | import android.os.Binder; |
| 33 | import android.os.Handler; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 34 | import android.os.IBinder; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 35 | import android.os.Looper; |
| 36 | import android.os.Message; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 37 | import android.os.RemoteException; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 38 | import android.os.ServiceManager; |
| 39 | import android.os.SystemProperties; |
| 40 | import android.provider.Settings; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 41 | import android.text.TextUtils; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 42 | import android.util.EventLog; |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 43 | import android.util.Slog; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 44 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 45 | import com.android.internal.telephony.Phone; |
| 46 | |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 47 | import com.android.server.connectivity.Tethering; |
| 48 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 49 | import java.io.FileDescriptor; |
| 50 | import java.io.PrintWriter; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 51 | import java.util.ArrayList; |
| 52 | import java.util.List; |
Banavathu, Srinivas Naik | 9bc709d | 2010-08-10 20:13:53 +0530 | [diff] [blame^] | 53 | import java.net.InetAddress; |
| 54 | import java.net.UnknownHostException; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 55 | |
| 56 | /** |
| 57 | * @hide |
| 58 | */ |
| 59 | public class ConnectivityService extends IConnectivityManager.Stub { |
| 60 | |
Robert Greenwalt | d8df149 | 2009-10-06 14:12:53 -0700 | [diff] [blame] | 61 | private static final boolean DBG = true; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 62 | private static final String TAG = "ConnectivityService"; |
| 63 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 64 | // how long to wait before switching back to a radio's default network |
| 65 | private static final int RESTORE_DEFAULT_NETWORK_DELAY = 1 * 60 * 1000; |
| 66 | // system property that can override the above value |
| 67 | private static final String NETWORK_RESTORE_DELAY_PROP_NAME = |
| 68 | "android.telephony.apn-restore"; |
| 69 | |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 70 | |
| 71 | private Tethering mTethering; |
Robert Greenwalt | c9d5fb7 | 2010-02-25 12:29:30 -0800 | [diff] [blame] | 72 | private boolean mTetheringConfigValid = false; |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 73 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 74 | /** |
| 75 | * Sometimes we want to refer to the individual network state |
| 76 | * trackers separately, and sometimes we just want to treat them |
| 77 | * abstractly. |
| 78 | */ |
| 79 | private NetworkStateTracker mNetTrackers[]; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 80 | |
| 81 | /** |
| 82 | * A per Net list of the PID's that requested access to the net |
| 83 | * used both as a refcount and for per-PID DNS selection |
| 84 | */ |
| 85 | private List mNetRequestersPids[]; |
| 86 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 87 | // priority order of the nettrackers |
| 88 | // (excluding dynamically set mNetworkPreference) |
| 89 | // TODO - move mNetworkTypePreference into this |
| 90 | private int[] mPriorityList; |
| 91 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 92 | private Context mContext; |
| 93 | private int mNetworkPreference; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 94 | private int mActiveDefaultNetwork = -1; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 95 | |
| 96 | private int mNumDnsEntries; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 97 | |
| 98 | private boolean mTestMode; |
| 99 | private static ConnectivityService sServiceInstance; |
| 100 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 101 | private Handler mHandler; |
| 102 | |
| 103 | // list of DeathRecipients used to make sure features are turned off when |
| 104 | // a process dies |
| 105 | private List mFeatureUsers; |
| 106 | |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 107 | private boolean mSystemReady; |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 108 | private Intent mInitialBroadcast; |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 109 | |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 110 | private static class NetworkAttributes { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 111 | /** |
| 112 | * Class for holding settings read from resources. |
| 113 | */ |
| 114 | public String mName; |
| 115 | public int mType; |
| 116 | public int mRadio; |
| 117 | public int mPriority; |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 118 | public NetworkInfo.State mLastState; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 119 | public NetworkAttributes(String init) { |
| 120 | String fragments[] = init.split(","); |
| 121 | mName = fragments[0].toLowerCase(); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 122 | mType = Integer.parseInt(fragments[1]); |
| 123 | mRadio = Integer.parseInt(fragments[2]); |
| 124 | mPriority = Integer.parseInt(fragments[3]); |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 125 | mLastState = NetworkInfo.State.UNKNOWN; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 126 | } |
| 127 | public boolean isDefault() { |
| 128 | return (mType == mRadio); |
| 129 | } |
| 130 | } |
| 131 | NetworkAttributes[] mNetAttributes; |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 132 | int mNetworksDefined; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 133 | |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 134 | private static class RadioAttributes { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 135 | public int mSimultaneity; |
| 136 | public int mType; |
| 137 | public RadioAttributes(String init) { |
| 138 | String fragments[] = init.split(","); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 139 | mType = Integer.parseInt(fragments[0]); |
| 140 | mSimultaneity = Integer.parseInt(fragments[1]); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 141 | } |
| 142 | } |
| 143 | RadioAttributes[] mRadioAttributes; |
| 144 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 145 | private static class ConnectivityThread extends Thread { |
| 146 | private Context mContext; |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 147 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 148 | private ConnectivityThread(Context context) { |
| 149 | super("ConnectivityThread"); |
| 150 | mContext = context; |
| 151 | } |
| 152 | |
| 153 | @Override |
| 154 | public void run() { |
| 155 | Looper.prepare(); |
| 156 | synchronized (this) { |
| 157 | sServiceInstance = new ConnectivityService(mContext); |
| 158 | notifyAll(); |
| 159 | } |
| 160 | Looper.loop(); |
| 161 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 162 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 163 | public static ConnectivityService getServiceInstance(Context context) { |
| 164 | ConnectivityThread thread = new ConnectivityThread(context); |
| 165 | thread.start(); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 166 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 167 | synchronized (thread) { |
| 168 | while (sServiceInstance == null) { |
| 169 | try { |
| 170 | // Wait until sServiceInstance has been initialized. |
| 171 | thread.wait(); |
| 172 | } catch (InterruptedException ignore) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 173 | Slog.e(TAG, |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 174 | "Unexpected InterruptedException while waiting"+ |
| 175 | " for ConnectivityService thread"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 176 | } |
| 177 | } |
| 178 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 179 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 180 | return sServiceInstance; |
| 181 | } |
| 182 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 183 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 184 | public static ConnectivityService getInstance(Context context) { |
| 185 | return ConnectivityThread.getServiceInstance(context); |
| 186 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 187 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 188 | private ConnectivityService(Context context) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 189 | if (DBG) Slog.v(TAG, "ConnectivityService starting up"); |
Robert Greenwalt | de8383c | 2010-01-14 17:47:58 -0800 | [diff] [blame] | 190 | |
| 191 | // setup our unique device name |
| 192 | String id = Settings.Secure.getString(context.getContentResolver(), |
| 193 | Settings.Secure.ANDROID_ID); |
| 194 | if (id != null && id.length() > 0) { |
| 195 | String name = new String("android_").concat(id); |
| 196 | SystemProperties.set("net.hostname", name); |
| 197 | } |
| 198 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 199 | mContext = context; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 200 | mNetTrackers = new NetworkStateTracker[ |
| 201 | ConnectivityManager.MAX_NETWORK_TYPE+1]; |
| 202 | mHandler = new MyHandler(); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 203 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 204 | mNetworkPreference = getPersistedNetworkPreference(); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 205 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 206 | mRadioAttributes = new RadioAttributes[ConnectivityManager.MAX_RADIO_TYPE+1]; |
| 207 | mNetAttributes = new NetworkAttributes[ConnectivityManager.MAX_NETWORK_TYPE+1]; |
| 208 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 209 | // Load device network attributes from resources |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 210 | String[] raStrings = context.getResources().getStringArray( |
| 211 | com.android.internal.R.array.radioAttributes); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 212 | for (String raString : raStrings) { |
| 213 | RadioAttributes r = new RadioAttributes(raString); |
| 214 | if (r.mType > ConnectivityManager.MAX_RADIO_TYPE) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 215 | Slog.e(TAG, "Error in radioAttributes - ignoring attempt to define type " + r.mType); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 216 | continue; |
| 217 | } |
| 218 | if (mRadioAttributes[r.mType] != null) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 219 | Slog.e(TAG, "Error in radioAttributes - ignoring attempt to redefine type " + |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 220 | r.mType); |
| 221 | continue; |
| 222 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 223 | mRadioAttributes[r.mType] = r; |
| 224 | } |
| 225 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 226 | String[] naStrings = context.getResources().getStringArray( |
| 227 | com.android.internal.R.array.networkAttributes); |
| 228 | for (String naString : naStrings) { |
| 229 | try { |
| 230 | NetworkAttributes n = new NetworkAttributes(naString); |
| 231 | if (n.mType > ConnectivityManager.MAX_NETWORK_TYPE) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 232 | Slog.e(TAG, "Error in networkAttributes - ignoring attempt to define type " + |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 233 | n.mType); |
| 234 | continue; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 235 | } |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 236 | if (mNetAttributes[n.mType] != null) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 237 | Slog.e(TAG, "Error in networkAttributes - ignoring attempt to redefine type " + |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 238 | n.mType); |
| 239 | continue; |
| 240 | } |
| 241 | if (mRadioAttributes[n.mRadio] == null) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 242 | Slog.e(TAG, "Error in networkAttributes - ignoring attempt to use undefined " + |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 243 | "radio " + n.mRadio + " in network type " + n.mType); |
| 244 | continue; |
| 245 | } |
| 246 | mNetAttributes[n.mType] = n; |
| 247 | mNetworksDefined++; |
| 248 | } catch(Exception e) { |
| 249 | // ignore it - leave the entry null |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 250 | } |
| 251 | } |
| 252 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 253 | // high priority first |
| 254 | mPriorityList = new int[mNetworksDefined]; |
| 255 | { |
| 256 | int insertionPoint = mNetworksDefined-1; |
| 257 | int currentLowest = 0; |
| 258 | int nextLowest = 0; |
| 259 | while (insertionPoint > -1) { |
| 260 | for (NetworkAttributes na : mNetAttributes) { |
| 261 | if (na == null) continue; |
| 262 | if (na.mPriority < currentLowest) continue; |
| 263 | if (na.mPriority > currentLowest) { |
| 264 | if (na.mPriority < nextLowest || nextLowest == 0) { |
| 265 | nextLowest = na.mPriority; |
| 266 | } |
| 267 | continue; |
| 268 | } |
| 269 | mPriorityList[insertionPoint--] = na.mType; |
| 270 | } |
| 271 | currentLowest = nextLowest; |
| 272 | nextLowest = 0; |
| 273 | } |
| 274 | } |
| 275 | |
| 276 | mNetRequestersPids = new ArrayList[ConnectivityManager.MAX_NETWORK_TYPE+1]; |
| 277 | for (int i : mPriorityList) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 278 | mNetRequestersPids[i] = new ArrayList(); |
| 279 | } |
| 280 | |
| 281 | mFeatureUsers = new ArrayList(); |
| 282 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 283 | mNumDnsEntries = 0; |
| 284 | |
| 285 | mTestMode = SystemProperties.get("cm.test.mode").equals("true") |
| 286 | && SystemProperties.get("ro.build.type").equals("eng"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 287 | /* |
| 288 | * Create the network state trackers for Wi-Fi and mobile |
| 289 | * data. Maybe this could be done with a factory class, |
| 290 | * but it's not clear that it's worth it, given that |
| 291 | * the number of different network types is not going |
| 292 | * to change very often. |
| 293 | */ |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 294 | boolean noMobileData = !getMobileDataEnabled(); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 295 | for (int netType : mPriorityList) { |
| 296 | switch (mNetAttributes[netType].mRadio) { |
| 297 | case ConnectivityManager.TYPE_WIFI: |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 298 | if (DBG) Slog.v(TAG, "Starting Wifi Service."); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 299 | WifiStateTracker wst = new WifiStateTracker(context, mHandler); |
| 300 | WifiService wifiService = new WifiService(context, wst); |
| 301 | ServiceManager.addService(Context.WIFI_SERVICE, wifiService); |
Irfan Sheriff | 7b00978 | 2010-03-11 16:37:45 -0800 | [diff] [blame] | 302 | wifiService.startWifi(); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 303 | mNetTrackers[ConnectivityManager.TYPE_WIFI] = wst; |
| 304 | wst.startMonitoring(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 305 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 306 | break; |
| 307 | case ConnectivityManager.TYPE_MOBILE: |
| 308 | mNetTrackers[netType] = new MobileDataStateTracker(context, mHandler, |
| 309 | netType, mNetAttributes[netType].mName); |
| 310 | mNetTrackers[netType].startMonitoring(); |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 311 | if (noMobileData) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 312 | if (DBG) Slog.d(TAG, "tearing down Mobile networks due to setting"); |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 313 | mNetTrackers[netType].teardown(); |
| 314 | } |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 315 | break; |
| 316 | default: |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 317 | Slog.e(TAG, "Trying to create a DataStateTracker for an unknown radio type " + |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 318 | mNetAttributes[netType].mRadio); |
| 319 | continue; |
| 320 | } |
| 321 | } |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 322 | |
Robert Greenwalt | dfadaea | 2010-03-11 15:03:08 -0800 | [diff] [blame] | 323 | mTethering = new Tethering(mContext, mHandler.getLooper()); |
Robert Greenwalt | c9d5fb7 | 2010-02-25 12:29:30 -0800 | [diff] [blame] | 324 | mTetheringConfigValid = (((mNetTrackers[ConnectivityManager.TYPE_MOBILE_DUN] != null) || |
| 325 | !mTethering.isDunRequired()) && |
| 326 | (mTethering.getTetherableUsbRegexs().length != 0 || |
| 327 | mTethering.getTetherableWifiRegexs().length != 0) && |
| 328 | mTethering.getUpstreamIfaceRegexs().length != 0); |
| 329 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 330 | } |
| 331 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 332 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 333 | /** |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 334 | * Sets the preferred network. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 335 | * @param preference the new preference |
| 336 | */ |
| 337 | public synchronized void setNetworkPreference(int preference) { |
| 338 | enforceChangePermission(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 339 | if (ConnectivityManager.isNetworkTypeValid(preference) && |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 340 | mNetAttributes[preference] != null && |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 341 | mNetAttributes[preference].isDefault()) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 342 | if (mNetworkPreference != preference) { |
| 343 | persistNetworkPreference(preference); |
| 344 | mNetworkPreference = preference; |
| 345 | enforcePreference(); |
| 346 | } |
| 347 | } |
| 348 | } |
| 349 | |
| 350 | public int getNetworkPreference() { |
| 351 | enforceAccessPermission(); |
| 352 | return mNetworkPreference; |
| 353 | } |
| 354 | |
| 355 | private void persistNetworkPreference(int networkPreference) { |
| 356 | final ContentResolver cr = mContext.getContentResolver(); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 357 | Settings.Secure.putInt(cr, Settings.Secure.NETWORK_PREFERENCE, |
| 358 | networkPreference); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 359 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 360 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 361 | private int getPersistedNetworkPreference() { |
| 362 | final ContentResolver cr = mContext.getContentResolver(); |
| 363 | |
| 364 | final int networkPrefSetting = Settings.Secure |
| 365 | .getInt(cr, Settings.Secure.NETWORK_PREFERENCE, -1); |
| 366 | if (networkPrefSetting != -1) { |
| 367 | return networkPrefSetting; |
| 368 | } |
| 369 | |
| 370 | return ConnectivityManager.DEFAULT_NETWORK_PREFERENCE; |
| 371 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 372 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 373 | /** |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 374 | * 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] | 375 | * In this method, we only tear down a non-preferred network. Establishing |
| 376 | * a connection to the preferred network is taken care of when we handle |
| 377 | * the disconnect event from the non-preferred network |
| 378 | * (see {@link #handleDisconnect(NetworkInfo)}). |
| 379 | */ |
| 380 | private void enforcePreference() { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 381 | if (mNetTrackers[mNetworkPreference].getNetworkInfo().isConnected()) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 382 | return; |
| 383 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 384 | if (!mNetTrackers[mNetworkPreference].isAvailable()) |
| 385 | return; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 386 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 387 | for (int t=0; t <= ConnectivityManager.MAX_RADIO_TYPE; t++) { |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 388 | if (t != mNetworkPreference && mNetTrackers[t] != null && |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 389 | mNetTrackers[t].getNetworkInfo().isConnected()) { |
Robert Greenwalt | ec9fe46 | 2009-08-20 15:25:14 -0700 | [diff] [blame] | 390 | if (DBG) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 391 | Slog.d(TAG, "tearing down " + |
Robert Greenwalt | ec9fe46 | 2009-08-20 15:25:14 -0700 | [diff] [blame] | 392 | mNetTrackers[t].getNetworkInfo() + |
| 393 | " in enforcePreference"); |
| 394 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 395 | teardown(mNetTrackers[t]); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 396 | } |
| 397 | } |
| 398 | } |
| 399 | |
| 400 | private boolean teardown(NetworkStateTracker netTracker) { |
| 401 | if (netTracker.teardown()) { |
| 402 | netTracker.setTeardownRequested(true); |
| 403 | return true; |
| 404 | } else { |
| 405 | return false; |
| 406 | } |
| 407 | } |
| 408 | |
| 409 | /** |
| 410 | * Return NetworkInfo for the active (i.e., connected) network interface. |
| 411 | * It is assumed that at most one network is active at a time. If more |
| 412 | * than one is active, it is indeterminate which will be returned. |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 413 | * @return the info for the active network, or {@code null} if none is |
| 414 | * active |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 415 | */ |
| 416 | public NetworkInfo getActiveNetworkInfo() { |
| 417 | enforceAccessPermission(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 418 | for (int type=0; type <= ConnectivityManager.MAX_NETWORK_TYPE; type++) { |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 419 | if (mNetAttributes[type] == null || !mNetAttributes[type].isDefault()) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 420 | continue; |
| 421 | } |
| 422 | NetworkStateTracker t = mNetTrackers[type]; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 423 | NetworkInfo info = t.getNetworkInfo(); |
| 424 | if (info.isConnected()) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 425 | if (DBG && type != mActiveDefaultNetwork) Slog.e(TAG, |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 426 | "connected default network is not " + |
| 427 | "mActiveDefaultNetwork!"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 428 | return info; |
| 429 | } |
| 430 | } |
| 431 | return null; |
| 432 | } |
| 433 | |
| 434 | public NetworkInfo getNetworkInfo(int networkType) { |
| 435 | enforceAccessPermission(); |
| 436 | if (ConnectivityManager.isNetworkTypeValid(networkType)) { |
| 437 | NetworkStateTracker t = mNetTrackers[networkType]; |
| 438 | if (t != null) |
| 439 | return t.getNetworkInfo(); |
| 440 | } |
| 441 | return null; |
| 442 | } |
| 443 | |
| 444 | public NetworkInfo[] getAllNetworkInfo() { |
| 445 | enforceAccessPermission(); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 446 | NetworkInfo[] result = new NetworkInfo[mNetworksDefined]; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 447 | int i = 0; |
| 448 | for (NetworkStateTracker t : mNetTrackers) { |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 449 | if(t != null) result[i++] = t.getNetworkInfo(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 450 | } |
| 451 | return result; |
| 452 | } |
| 453 | |
| 454 | public boolean setRadios(boolean turnOn) { |
| 455 | boolean result = true; |
| 456 | enforceChangePermission(); |
| 457 | for (NetworkStateTracker t : mNetTrackers) { |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 458 | if (t != null) result = t.setRadio(turnOn) && result; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 459 | } |
| 460 | return result; |
| 461 | } |
| 462 | |
| 463 | public boolean setRadio(int netType, boolean turnOn) { |
| 464 | enforceChangePermission(); |
| 465 | if (!ConnectivityManager.isNetworkTypeValid(netType)) { |
| 466 | return false; |
| 467 | } |
| 468 | NetworkStateTracker tracker = mNetTrackers[netType]; |
| 469 | return tracker != null && tracker.setRadio(turnOn); |
| 470 | } |
| 471 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 472 | /** |
| 473 | * Used to notice when the calling process dies so we can self-expire |
| 474 | * |
| 475 | * Also used to know if the process has cleaned up after itself when |
| 476 | * our auto-expire timer goes off. The timer has a link to an object. |
| 477 | * |
| 478 | */ |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 479 | private class FeatureUser implements IBinder.DeathRecipient { |
| 480 | int mNetworkType; |
| 481 | String mFeature; |
| 482 | IBinder mBinder; |
| 483 | int mPid; |
| 484 | int mUid; |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 485 | long mCreateTime; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 486 | |
| 487 | FeatureUser(int type, String feature, IBinder binder) { |
| 488 | super(); |
| 489 | mNetworkType = type; |
| 490 | mFeature = feature; |
| 491 | mBinder = binder; |
| 492 | mPid = getCallingPid(); |
| 493 | mUid = getCallingUid(); |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 494 | mCreateTime = System.currentTimeMillis(); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 495 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 496 | try { |
| 497 | mBinder.linkToDeath(this, 0); |
| 498 | } catch (RemoteException e) { |
| 499 | binderDied(); |
| 500 | } |
| 501 | } |
| 502 | |
| 503 | void unlinkDeathRecipient() { |
| 504 | mBinder.unlinkToDeath(this, 0); |
| 505 | } |
| 506 | |
| 507 | public void binderDied() { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 508 | Slog.d(TAG, "ConnectivityService FeatureUser binderDied(" + |
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); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 512 | } |
| 513 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 514 | public void expire() { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 515 | Slog.d(TAG, "ConnectivityService FeatureUser expire(" + |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 516 | mNetworkType + ", " + mFeature + ", " + mBinder +"), created " + |
| 517 | (System.currentTimeMillis() - mCreateTime) + " mSec ago"); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 518 | stopUsingNetworkFeature(this, false); |
| 519 | } |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 520 | |
| 521 | public String toString() { |
| 522 | return "FeatureUser("+mNetworkType+","+mFeature+","+mPid+","+mUid+"), created " + |
| 523 | (System.currentTimeMillis() - mCreateTime) + " mSec ago"; |
| 524 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 525 | } |
| 526 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 527 | // javadoc from interface |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 528 | public int startUsingNetworkFeature(int networkType, String feature, |
| 529 | IBinder binder) { |
| 530 | if (DBG) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 531 | Slog.d(TAG, "startUsingNetworkFeature for net " + networkType + |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 532 | ": " + feature); |
| 533 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 534 | enforceChangePermission(); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 535 | if (!ConnectivityManager.isNetworkTypeValid(networkType) || |
| 536 | mNetAttributes[networkType] == null) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 537 | return Phone.APN_REQUEST_FAILED; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 538 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 539 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 540 | FeatureUser f = new FeatureUser(networkType, feature, binder); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 541 | |
| 542 | // TODO - move this into the MobileDataStateTracker |
| 543 | int usedNetworkType = networkType; |
| 544 | if(networkType == ConnectivityManager.TYPE_MOBILE) { |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 545 | if (!getMobileDataEnabled()) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 546 | if (DBG) Slog.d(TAG, "requested special network with data disabled - rejected"); |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 547 | return Phone.APN_TYPE_NOT_AVAILABLE; |
| 548 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 549 | if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_MMS)) { |
| 550 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_MMS; |
| 551 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_SUPL)) { |
| 552 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_SUPL; |
| 553 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_DUN)) { |
| 554 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_DUN; |
| 555 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_HIPRI)) { |
| 556 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_HIPRI; |
| 557 | } |
| 558 | } |
| 559 | NetworkStateTracker network = mNetTrackers[usedNetworkType]; |
| 560 | if (network != null) { |
| 561 | if (usedNetworkType != networkType) { |
| 562 | Integer currentPid = new Integer(getCallingPid()); |
| 563 | |
| 564 | NetworkStateTracker radio = mNetTrackers[networkType]; |
| 565 | NetworkInfo ni = network.getNetworkInfo(); |
| 566 | |
| 567 | if (ni.isAvailable() == false) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 568 | if (DBG) Slog.d(TAG, "special network not available"); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 569 | return Phone.APN_TYPE_NOT_AVAILABLE; |
| 570 | } |
| 571 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 572 | synchronized(this) { |
| 573 | mFeatureUsers.add(f); |
| 574 | if (!mNetRequestersPids[usedNetworkType].contains(currentPid)) { |
| 575 | // this gets used for per-pid dns when connected |
| 576 | mNetRequestersPids[usedNetworkType].add(currentPid); |
| 577 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 578 | } |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 579 | mHandler.sendMessageDelayed(mHandler.obtainMessage( |
| 580 | NetworkStateTracker.EVENT_RESTORE_DEFAULT_NETWORK, |
| 581 | f), getRestoreDefaultNetworkDelay()); |
| 582 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 583 | |
Robert Greenwalt | a64bf83 | 2009-08-19 20:19:33 -0700 | [diff] [blame] | 584 | if ((ni.isConnectedOrConnecting() == true) && |
| 585 | !network.isTeardownRequested()) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 586 | if (ni.isConnected() == true) { |
| 587 | // add the pid-specific dns |
| 588 | handleDnsConfigurationChange(); |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 589 | if (DBG) Slog.d(TAG, "special network already active"); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 590 | return Phone.APN_ALREADY_ACTIVE; |
| 591 | } |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 592 | if (DBG) Slog.d(TAG, "special network already connecting"); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 593 | return Phone.APN_REQUEST_STARTED; |
| 594 | } |
| 595 | |
| 596 | // check if the radio in play can make another contact |
| 597 | // assume if cannot for now |
| 598 | |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 599 | if (DBG) Slog.d(TAG, "reconnecting to special network"); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 600 | network.reconnect(); |
| 601 | return Phone.APN_REQUEST_STARTED; |
| 602 | } else { |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 603 | synchronized(this) { |
| 604 | mFeatureUsers.add(f); |
| 605 | } |
| 606 | mHandler.sendMessageDelayed(mHandler.obtainMessage( |
| 607 | NetworkStateTracker.EVENT_RESTORE_DEFAULT_NETWORK, |
| 608 | f), getRestoreDefaultNetworkDelay()); |
| 609 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 610 | return network.startUsingNetworkFeature(feature, |
| 611 | getCallingPid(), getCallingUid()); |
| 612 | } |
| 613 | } |
| 614 | return Phone.APN_TYPE_NOT_AVAILABLE; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 615 | } |
| 616 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 617 | // javadoc from interface |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 618 | public int stopUsingNetworkFeature(int networkType, String feature) { |
Robert Greenwalt | b8f1634 | 2009-10-06 17:52:40 -0700 | [diff] [blame] | 619 | enforceChangePermission(); |
| 620 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 621 | int pid = getCallingPid(); |
| 622 | int uid = getCallingUid(); |
| 623 | |
| 624 | FeatureUser u = null; |
| 625 | boolean found = false; |
| 626 | |
| 627 | synchronized(this) { |
| 628 | for (int i = 0; i < mFeatureUsers.size() ; i++) { |
| 629 | u = (FeatureUser)mFeatureUsers.get(i); |
| 630 | if (uid == u.mUid && pid == u.mPid && |
| 631 | networkType == u.mNetworkType && |
| 632 | TextUtils.equals(feature, u.mFeature)) { |
| 633 | found = true; |
| 634 | break; |
| 635 | } |
| 636 | } |
| 637 | } |
| 638 | if (found && u != null) { |
| 639 | // stop regardless of how many other time this proc had called start |
| 640 | return stopUsingNetworkFeature(u, true); |
| 641 | } else { |
| 642 | // none found! |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 643 | if (DBG) Slog.d(TAG, "ignoring stopUsingNetworkFeature - not a live request"); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 644 | return 1; |
| 645 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 646 | } |
| 647 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 648 | private int stopUsingNetworkFeature(FeatureUser u, boolean ignoreDups) { |
| 649 | int networkType = u.mNetworkType; |
| 650 | String feature = u.mFeature; |
| 651 | int pid = u.mPid; |
| 652 | int uid = u.mUid; |
| 653 | |
| 654 | NetworkStateTracker tracker = null; |
| 655 | boolean callTeardown = false; // used to carry our decision outside of sync block |
| 656 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 657 | if (DBG) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 658 | Slog.d(TAG, "stopUsingNetworkFeature for net " + networkType + |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 659 | ": " + feature); |
| 660 | } |
Robert Greenwalt | b8f1634 | 2009-10-06 17:52:40 -0700 | [diff] [blame] | 661 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 662 | if (!ConnectivityManager.isNetworkTypeValid(networkType)) { |
| 663 | return -1; |
| 664 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 665 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 666 | // need to link the mFeatureUsers list with the mNetRequestersPids state in this |
| 667 | // sync block |
| 668 | synchronized(this) { |
| 669 | // check if this process still has an outstanding start request |
| 670 | if (!mFeatureUsers.contains(u)) { |
Robert Greenwalt | 78a640a | 2010-03-10 16:10:43 -0800 | [diff] [blame] | 671 | if (DBG) Slog.d(TAG, "ignoring - this process has no outstanding requests"); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 672 | return 1; |
| 673 | } |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 674 | u.unlinkDeathRecipient(); |
| 675 | mFeatureUsers.remove(mFeatureUsers.indexOf(u)); |
| 676 | // If we care about duplicate requests, check for that here. |
| 677 | // |
| 678 | // This is done to support the extension of a request - the app |
| 679 | // can request we start the network feature again and renew the |
| 680 | // auto-shutoff delay. Normal "stop" calls from the app though |
| 681 | // do not pay attention to duplicate requests - in effect the |
| 682 | // API does not refcount and a single stop will counter multiple starts. |
| 683 | if (ignoreDups == false) { |
| 684 | for (int i = 0; i < mFeatureUsers.size() ; i++) { |
| 685 | FeatureUser x = (FeatureUser)mFeatureUsers.get(i); |
| 686 | if (x.mUid == u.mUid && x.mPid == u.mPid && |
| 687 | x.mNetworkType == u.mNetworkType && |
| 688 | TextUtils.equals(x.mFeature, u.mFeature)) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 689 | if (DBG) Slog.d(TAG, "ignoring stopUsingNetworkFeature as dup is found"); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 690 | return 1; |
| 691 | } |
| 692 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 693 | } |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 694 | |
| 695 | // TODO - move to MobileDataStateTracker |
| 696 | int usedNetworkType = networkType; |
| 697 | if (networkType == ConnectivityManager.TYPE_MOBILE) { |
| 698 | if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_MMS)) { |
| 699 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_MMS; |
| 700 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_SUPL)) { |
| 701 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_SUPL; |
| 702 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_DUN)) { |
| 703 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_DUN; |
| 704 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_HIPRI)) { |
| 705 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_HIPRI; |
| 706 | } |
| 707 | } |
| 708 | tracker = mNetTrackers[usedNetworkType]; |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 709 | if (tracker == null) { |
Robert Greenwalt | 78a640a | 2010-03-10 16:10:43 -0800 | [diff] [blame] | 710 | if (DBG) Slog.d(TAG, "ignoring - no known tracker for net type " + usedNetworkType); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 711 | return -1; |
| 712 | } |
| 713 | if (usedNetworkType != networkType) { |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 714 | Integer currentPid = new Integer(pid); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 715 | mNetRequestersPids[usedNetworkType].remove(currentPid); |
Robert Greenwalt | 421c72b | 2009-12-17 14:54:59 -0800 | [diff] [blame] | 716 | reassessPidDns(pid, true); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 717 | if (mNetRequestersPids[usedNetworkType].size() != 0) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 718 | if (DBG) Slog.d(TAG, "not tearing down special network - " + |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 719 | "others still using it"); |
| 720 | return 1; |
| 721 | } |
| 722 | callTeardown = true; |
| 723 | } |
| 724 | } |
Robert Greenwalt | 78a640a | 2010-03-10 16:10:43 -0800 | [diff] [blame] | 725 | if (DBG) Slog.d(TAG, "Doing network teardown"); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 726 | if (callTeardown) { |
| 727 | tracker.teardown(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 728 | return 1; |
| 729 | } else { |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 730 | // do it the old fashioned way |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 731 | return tracker.stopUsingNetworkFeature(feature, pid, uid); |
| 732 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 733 | } |
| 734 | |
| 735 | /** |
Banavathu, Srinivas Naik | 9bc709d | 2010-08-10 20:13:53 +0530 | [diff] [blame^] | 736 | * @deprecated use requestRouteToHostAddress instead |
| 737 | * |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 738 | * Ensure that a network route exists to deliver traffic to the specified |
| 739 | * host via the specified network interface. |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 740 | * @param networkType the type of the network over which traffic to the |
| 741 | * specified host is to be routed |
| 742 | * @param hostAddress the IP address of the host to which the route is |
| 743 | * desired |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 744 | * @return {@code true} on success, {@code false} on failure |
| 745 | */ |
| 746 | public boolean requestRouteToHost(int networkType, int hostAddress) { |
Banavathu, Srinivas Naik | 9bc709d | 2010-08-10 20:13:53 +0530 | [diff] [blame^] | 747 | InetAddress inetAddress = NetworkUtils.intToInetAddress(hostAddress); |
| 748 | |
| 749 | if (inetAddress == null) { |
| 750 | return false; |
| 751 | } |
| 752 | |
| 753 | return requestRouteToHostAddress(networkType, inetAddress.getAddress()); |
| 754 | } |
| 755 | |
| 756 | /** |
| 757 | * Ensure that a network route exists to deliver traffic to the specified |
| 758 | * host via the specified network interface. |
| 759 | * @param networkType the type of the network over which traffic to the |
| 760 | * specified host is to be routed |
| 761 | * @param hostAddress the IP address of the host to which the route is |
| 762 | * desired |
| 763 | * @return {@code true} on success, {@code false} on failure |
| 764 | */ |
| 765 | public boolean requestRouteToHostAddress(int networkType, byte[] hostAddress) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 766 | enforceChangePermission(); |
| 767 | if (!ConnectivityManager.isNetworkTypeValid(networkType)) { |
| 768 | return false; |
| 769 | } |
| 770 | NetworkStateTracker tracker = mNetTrackers[networkType]; |
Robert Greenwalt | 8206ff3 | 2009-09-10 15:06:20 -0700 | [diff] [blame] | 771 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 772 | if (tracker == null || !tracker.getNetworkInfo().isConnected() || |
| 773 | tracker.isTeardownRequested()) { |
Robert Greenwalt | 8206ff3 | 2009-09-10 15:06:20 -0700 | [diff] [blame] | 774 | if (DBG) { |
Banavathu, Srinivas Naik | 9bc709d | 2010-08-10 20:13:53 +0530 | [diff] [blame^] | 775 | Slog.d(TAG, "requestRouteToHostAddress on down network " + |
| 776 | "(" + networkType + ") - dropped"); |
Robert Greenwalt | 8206ff3 | 2009-09-10 15:06:20 -0700 | [diff] [blame] | 777 | } |
| 778 | return false; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 779 | } |
Banavathu, Srinivas Naik | 9bc709d | 2010-08-10 20:13:53 +0530 | [diff] [blame^] | 780 | |
| 781 | try { |
| 782 | InetAddress inetAddress = InetAddress.getByAddress(hostAddress); |
| 783 | return tracker.requestRouteToHost(inetAddress); |
| 784 | } catch (UnknownHostException e) { |
| 785 | return false; |
| 786 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 787 | } |
| 788 | |
| 789 | /** |
| 790 | * @see ConnectivityManager#getBackgroundDataSetting() |
| 791 | */ |
| 792 | public boolean getBackgroundDataSetting() { |
| 793 | return Settings.Secure.getInt(mContext.getContentResolver(), |
| 794 | Settings.Secure.BACKGROUND_DATA, 1) == 1; |
| 795 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 796 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 797 | /** |
| 798 | * @see ConnectivityManager#setBackgroundDataSetting(boolean) |
| 799 | */ |
| 800 | public void setBackgroundDataSetting(boolean allowBackgroundDataUsage) { |
| 801 | mContext.enforceCallingOrSelfPermission( |
| 802 | android.Manifest.permission.CHANGE_BACKGROUND_DATA_SETTING, |
| 803 | "ConnectivityService"); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 804 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 805 | if (getBackgroundDataSetting() == allowBackgroundDataUsage) return; |
| 806 | |
| 807 | Settings.Secure.putInt(mContext.getContentResolver(), |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 808 | Settings.Secure.BACKGROUND_DATA, |
| 809 | allowBackgroundDataUsage ? 1 : 0); |
| 810 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 811 | Intent broadcast = new Intent( |
| 812 | ConnectivityManager.ACTION_BACKGROUND_DATA_SETTING_CHANGED); |
| 813 | mContext.sendBroadcast(broadcast); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 814 | } |
| 815 | |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 816 | /** |
| 817 | * @see ConnectivityManager#getMobileDataEnabled() |
| 818 | */ |
| 819 | public boolean getMobileDataEnabled() { |
| 820 | enforceAccessPermission(); |
| 821 | boolean retVal = Settings.Secure.getInt(mContext.getContentResolver(), |
| 822 | Settings.Secure.MOBILE_DATA, 1) == 1; |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 823 | if (DBG) Slog.d(TAG, "getMobileDataEnabled returning " + retVal); |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 824 | return retVal; |
| 825 | } |
| 826 | |
| 827 | /** |
| 828 | * @see ConnectivityManager#setMobileDataEnabled(boolean) |
| 829 | */ |
| 830 | public synchronized void setMobileDataEnabled(boolean enabled) { |
| 831 | enforceChangePermission(); |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 832 | if (DBG) Slog.d(TAG, "setMobileDataEnabled(" + enabled + ")"); |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 833 | |
| 834 | if (getMobileDataEnabled() == enabled) return; |
| 835 | |
| 836 | Settings.Secure.putInt(mContext.getContentResolver(), |
| 837 | Settings.Secure.MOBILE_DATA, enabled ? 1 : 0); |
| 838 | |
| 839 | if (enabled) { |
| 840 | if (mNetTrackers[ConnectivityManager.TYPE_MOBILE] != null) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 841 | if (DBG) Slog.d(TAG, "starting up " + mNetTrackers[ConnectivityManager.TYPE_MOBILE]); |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 842 | mNetTrackers[ConnectivityManager.TYPE_MOBILE].reconnect(); |
| 843 | } |
| 844 | } else { |
| 845 | for (NetworkStateTracker nt : mNetTrackers) { |
| 846 | if (nt == null) continue; |
| 847 | int netType = nt.getNetworkInfo().getType(); |
| 848 | if (mNetAttributes[netType].mRadio == ConnectivityManager.TYPE_MOBILE) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 849 | if (DBG) Slog.d(TAG, "tearing down " + nt); |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 850 | nt.teardown(); |
| 851 | } |
| 852 | } |
| 853 | } |
| 854 | } |
| 855 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 856 | private int getNumConnectedNetworks() { |
| 857 | int numConnectedNets = 0; |
| 858 | |
| 859 | for (NetworkStateTracker nt : mNetTrackers) { |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 860 | if (nt != null && nt.getNetworkInfo().isConnected() && |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 861 | !nt.isTeardownRequested()) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 862 | ++numConnectedNets; |
| 863 | } |
| 864 | } |
| 865 | return numConnectedNets; |
| 866 | } |
| 867 | |
| 868 | private void enforceAccessPermission() { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 869 | mContext.enforceCallingOrSelfPermission( |
| 870 | android.Manifest.permission.ACCESS_NETWORK_STATE, |
| 871 | "ConnectivityService"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 872 | } |
| 873 | |
| 874 | private void enforceChangePermission() { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 875 | mContext.enforceCallingOrSelfPermission( |
| 876 | android.Manifest.permission.CHANGE_NETWORK_STATE, |
| 877 | "ConnectivityService"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 878 | } |
| 879 | |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 880 | // TODO Make this a special check when it goes public |
| 881 | private void enforceTetherChangePermission() { |
| 882 | mContext.enforceCallingOrSelfPermission( |
| 883 | android.Manifest.permission.CHANGE_NETWORK_STATE, |
| 884 | "ConnectivityService"); |
| 885 | } |
| 886 | |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 887 | private void enforceTetherAccessPermission() { |
| 888 | mContext.enforceCallingOrSelfPermission( |
| 889 | android.Manifest.permission.ACCESS_NETWORK_STATE, |
| 890 | "ConnectivityService"); |
| 891 | } |
| 892 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 893 | /** |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 894 | * Handle a {@code DISCONNECTED} event. If this pertains to the non-active |
| 895 | * network, we ignore it. If it is for the active network, we send out a |
| 896 | * broadcast. But first, we check whether it might be possible to connect |
| 897 | * to a different network. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 898 | * @param info the {@code NetworkInfo} for the network |
| 899 | */ |
| 900 | private void handleDisconnect(NetworkInfo info) { |
| 901 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 902 | int prevNetType = info.getType(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 903 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 904 | mNetTrackers[prevNetType].setTeardownRequested(false); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 905 | /* |
| 906 | * If the disconnected network is not the active one, then don't report |
| 907 | * this as a loss of connectivity. What probably happened is that we're |
| 908 | * getting the disconnect for a network that we explicitly disabled |
| 909 | * in accordance with network preference policies. |
| 910 | */ |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 911 | if (!mNetAttributes[prevNetType].isDefault()) { |
| 912 | List pids = mNetRequestersPids[prevNetType]; |
| 913 | for (int i = 0; i<pids.size(); i++) { |
| 914 | Integer pid = (Integer)pids.get(i); |
| 915 | // will remove them because the net's no longer connected |
| 916 | // need to do this now as only now do we know the pids and |
| 917 | // can properly null things that are no longer referenced. |
| 918 | reassessPidDns(pid.intValue(), false); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 919 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 920 | } |
| 921 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 922 | Intent intent = new Intent(ConnectivityManager.CONNECTIVITY_ACTION); |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 923 | intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 924 | intent.putExtra(ConnectivityManager.EXTRA_NETWORK_INFO, info); |
| 925 | if (info.isFailover()) { |
| 926 | intent.putExtra(ConnectivityManager.EXTRA_IS_FAILOVER, true); |
| 927 | info.setFailover(false); |
| 928 | } |
| 929 | if (info.getReason() != null) { |
| 930 | intent.putExtra(ConnectivityManager.EXTRA_REASON, info.getReason()); |
| 931 | } |
| 932 | if (info.getExtraInfo() != null) { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 933 | intent.putExtra(ConnectivityManager.EXTRA_EXTRA_INFO, |
| 934 | info.getExtraInfo()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 935 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 936 | |
Robert Greenwalt | cc4b401 | 2010-01-25 17:54:29 -0800 | [diff] [blame] | 937 | NetworkStateTracker newNet = null; |
| 938 | if (mNetAttributes[prevNetType].isDefault()) { |
| 939 | newNet = tryFailover(prevNetType); |
| 940 | if (newNet != null) { |
| 941 | NetworkInfo switchTo = newNet.getNetworkInfo(); |
| 942 | intent.putExtra(ConnectivityManager.EXTRA_OTHER_NETWORK_INFO, switchTo); |
| 943 | } else { |
| 944 | intent.putExtra(ConnectivityManager.EXTRA_NO_CONNECTIVITY, true); |
| 945 | } |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 946 | } |
| 947 | // do this before we broadcast the change |
| 948 | handleConnectivityChange(); |
| 949 | |
| 950 | sendStickyBroadcast(intent); |
| 951 | /* |
| 952 | * If the failover network is already connected, then immediately send |
| 953 | * out a followup broadcast indicating successful failover |
| 954 | */ |
| 955 | if (newNet != null && newNet.getNetworkInfo().isConnected()) { |
| 956 | sendConnectedBroadcast(newNet.getNetworkInfo()); |
| 957 | } |
| 958 | } |
| 959 | |
Robert Greenwalt | cc4b401 | 2010-01-25 17:54:29 -0800 | [diff] [blame] | 960 | // returns null if no failover available |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 961 | private NetworkStateTracker tryFailover(int prevNetType) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 962 | /* |
| 963 | * If this is a default network, check if other defaults are available |
| 964 | * or active |
| 965 | */ |
| 966 | NetworkStateTracker newNet = null; |
| 967 | if (mNetAttributes[prevNetType].isDefault()) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 968 | if (mActiveDefaultNetwork == prevNetType) { |
| 969 | mActiveDefaultNetwork = -1; |
| 970 | } |
| 971 | |
| 972 | int newType = -1; |
| 973 | int newPriority = -1; |
Robert Greenwalt | 3542959 | 2010-02-25 12:04:29 -0800 | [diff] [blame] | 974 | boolean noMobileData = !getMobileDataEnabled(); |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 975 | for (int checkType=0; checkType <= ConnectivityManager.MAX_NETWORK_TYPE; checkType++) { |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 976 | if (checkType == prevNetType) continue; |
| 977 | if (mNetAttributes[checkType] == null) continue; |
Robert Greenwalt | 3542959 | 2010-02-25 12:04:29 -0800 | [diff] [blame] | 978 | if (mNetAttributes[checkType].mRadio == ConnectivityManager.TYPE_MOBILE && |
| 979 | noMobileData) { |
| 980 | if (DBG) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 981 | Slog.d(TAG, "not failing over to mobile type " + checkType + |
Robert Greenwalt | 3542959 | 2010-02-25 12:04:29 -0800 | [diff] [blame] | 982 | " because Mobile Data Disabled"); |
| 983 | } |
| 984 | continue; |
| 985 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 986 | if (mNetAttributes[checkType].isDefault()) { |
| 987 | /* TODO - if we have multiple nets we could use |
| 988 | * we may want to put more thought into which we choose |
| 989 | */ |
| 990 | if (checkType == mNetworkPreference) { |
| 991 | newType = checkType; |
| 992 | break; |
| 993 | } |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 994 | if (mNetAttributes[checkType].mPriority > newPriority) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 995 | newType = checkType; |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 996 | newPriority = mNetAttributes[newType].mPriority; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 997 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 998 | } |
| 999 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1000 | |
| 1001 | if (newType != -1) { |
| 1002 | newNet = mNetTrackers[newType]; |
| 1003 | /** |
| 1004 | * See if the other network is available to fail over to. |
| 1005 | * If is not available, we enable it anyway, so that it |
| 1006 | * will be able to connect when it does become available, |
| 1007 | * but we report a total loss of connectivity rather than |
| 1008 | * report that we are attempting to fail over. |
| 1009 | */ |
| 1010 | if (newNet.isAvailable()) { |
| 1011 | NetworkInfo switchTo = newNet.getNetworkInfo(); |
| 1012 | switchTo.setFailover(true); |
Robert Greenwalt | a64bf83 | 2009-08-19 20:19:33 -0700 | [diff] [blame] | 1013 | if (!switchTo.isConnectedOrConnecting() || |
| 1014 | newNet.isTeardownRequested()) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1015 | newNet.reconnect(); |
| 1016 | } |
| 1017 | if (DBG) { |
| 1018 | if (switchTo.isConnected()) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1019 | Slog.v(TAG, "Switching to already connected " + |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1020 | switchTo.getTypeName()); |
| 1021 | } else { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1022 | Slog.v(TAG, "Attempting to switch to " + |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1023 | switchTo.getTypeName()); |
| 1024 | } |
| 1025 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1026 | } else { |
| 1027 | newNet.reconnect(); |
Robert Greenwalt | f0fa39e | 2010-03-09 14:55:08 -0800 | [diff] [blame] | 1028 | newNet = null; // not officially avail.. try anyway, but |
| 1029 | // report no failover |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1030 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1031 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1032 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1033 | |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 1034 | return newNet; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1035 | } |
| 1036 | |
| 1037 | private void sendConnectedBroadcast(NetworkInfo info) { |
| 1038 | Intent intent = new Intent(ConnectivityManager.CONNECTIVITY_ACTION); |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 1039 | intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1040 | intent.putExtra(ConnectivityManager.EXTRA_NETWORK_INFO, info); |
| 1041 | if (info.isFailover()) { |
| 1042 | intent.putExtra(ConnectivityManager.EXTRA_IS_FAILOVER, true); |
| 1043 | info.setFailover(false); |
| 1044 | } |
| 1045 | if (info.getReason() != null) { |
| 1046 | intent.putExtra(ConnectivityManager.EXTRA_REASON, info.getReason()); |
| 1047 | } |
| 1048 | if (info.getExtraInfo() != null) { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1049 | intent.putExtra(ConnectivityManager.EXTRA_EXTRA_INFO, |
| 1050 | info.getExtraInfo()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1051 | } |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1052 | sendStickyBroadcast(intent); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1053 | } |
| 1054 | |
| 1055 | /** |
| 1056 | * Called when an attempt to fail over to another network has failed. |
| 1057 | * @param info the {@link NetworkInfo} for the failed network |
| 1058 | */ |
| 1059 | private void handleConnectionFailure(NetworkInfo info) { |
| 1060 | mNetTrackers[info.getType()].setTeardownRequested(false); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1061 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1062 | String reason = info.getReason(); |
| 1063 | String extraInfo = info.getExtraInfo(); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1064 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1065 | if (DBG) { |
| 1066 | String reasonText; |
| 1067 | if (reason == null) { |
| 1068 | reasonText = "."; |
| 1069 | } else { |
| 1070 | reasonText = " (" + reason + ")."; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1071 | } |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1072 | Slog.v(TAG, "Attempt to connect to " + info.getTypeName() + |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1073 | " failed" + reasonText); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1074 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1075 | |
| 1076 | Intent intent = new Intent(ConnectivityManager.CONNECTIVITY_ACTION); |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 1077 | intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1078 | intent.putExtra(ConnectivityManager.EXTRA_NETWORK_INFO, info); |
| 1079 | if (getActiveNetworkInfo() == null) { |
| 1080 | intent.putExtra(ConnectivityManager.EXTRA_NO_CONNECTIVITY, true); |
| 1081 | } |
| 1082 | if (reason != null) { |
| 1083 | intent.putExtra(ConnectivityManager.EXTRA_REASON, reason); |
| 1084 | } |
| 1085 | if (extraInfo != null) { |
| 1086 | intent.putExtra(ConnectivityManager.EXTRA_EXTRA_INFO, extraInfo); |
| 1087 | } |
| 1088 | if (info.isFailover()) { |
| 1089 | intent.putExtra(ConnectivityManager.EXTRA_IS_FAILOVER, true); |
| 1090 | info.setFailover(false); |
| 1091 | } |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 1092 | |
Robert Greenwalt | cc4b401 | 2010-01-25 17:54:29 -0800 | [diff] [blame] | 1093 | NetworkStateTracker newNet = null; |
| 1094 | if (mNetAttributes[info.getType()].isDefault()) { |
| 1095 | newNet = tryFailover(info.getType()); |
| 1096 | if (newNet != null) { |
| 1097 | NetworkInfo switchTo = newNet.getNetworkInfo(); |
| 1098 | intent.putExtra(ConnectivityManager.EXTRA_OTHER_NETWORK_INFO, switchTo); |
| 1099 | } else { |
| 1100 | intent.putExtra(ConnectivityManager.EXTRA_NO_CONNECTIVITY, true); |
| 1101 | } |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 1102 | } |
Robert Greenwalt | cc4b401 | 2010-01-25 17:54:29 -0800 | [diff] [blame] | 1103 | |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 1104 | // do this before we broadcast the change |
| 1105 | handleConnectivityChange(); |
| 1106 | |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1107 | sendStickyBroadcast(intent); |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 1108 | /* |
| 1109 | * If the failover network is already connected, then immediately send |
| 1110 | * out a followup broadcast indicating successful failover |
| 1111 | */ |
| 1112 | if (newNet != null && newNet.getNetworkInfo().isConnected()) { |
| 1113 | sendConnectedBroadcast(newNet.getNetworkInfo()); |
| 1114 | } |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1115 | } |
| 1116 | |
| 1117 | private void sendStickyBroadcast(Intent intent) { |
| 1118 | synchronized(this) { |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 1119 | if (!mSystemReady) { |
| 1120 | mInitialBroadcast = new Intent(intent); |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1121 | } |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 1122 | intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); |
| 1123 | mContext.sendStickyBroadcast(intent); |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1124 | } |
| 1125 | } |
| 1126 | |
| 1127 | void systemReady() { |
| 1128 | synchronized(this) { |
| 1129 | mSystemReady = true; |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 1130 | if (mInitialBroadcast != null) { |
| 1131 | mContext.sendStickyBroadcast(mInitialBroadcast); |
| 1132 | mInitialBroadcast = null; |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1133 | } |
| 1134 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1135 | } |
| 1136 | |
| 1137 | private void handleConnect(NetworkInfo info) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1138 | int type = info.getType(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1139 | |
| 1140 | // snapshot isFailover, because sendConnectedBroadcast() resets it |
| 1141 | boolean isFailover = info.isFailover(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1142 | NetworkStateTracker thisNet = mNetTrackers[type]; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1143 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1144 | // if this is a default net and other default is running |
| 1145 | // kill the one not preferred |
| 1146 | if (mNetAttributes[type].isDefault()) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1147 | if (mActiveDefaultNetwork != -1 && mActiveDefaultNetwork != type) { |
| 1148 | if ((type != mNetworkPreference && |
| 1149 | mNetAttributes[mActiveDefaultNetwork].mPriority > |
| 1150 | mNetAttributes[type].mPriority) || |
| 1151 | mNetworkPreference == mActiveDefaultNetwork) { |
| 1152 | // don't accept this one |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1153 | if (DBG) Slog.v(TAG, "Not broadcasting CONNECT_ACTION " + |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1154 | "to torn down network " + info.getTypeName()); |
| 1155 | teardown(thisNet); |
| 1156 | return; |
| 1157 | } else { |
| 1158 | // tear down the other |
| 1159 | NetworkStateTracker otherNet = |
| 1160 | mNetTrackers[mActiveDefaultNetwork]; |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1161 | if (DBG) Slog.v(TAG, "Policy requires " + |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1162 | otherNet.getNetworkInfo().getTypeName() + |
| 1163 | " teardown"); |
| 1164 | if (!teardown(otherNet)) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1165 | Slog.e(TAG, "Network declined teardown request"); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1166 | return; |
| 1167 | } |
| 1168 | if (isFailover) { |
| 1169 | otherNet.releaseWakeLock(); |
| 1170 | } |
| 1171 | } |
| 1172 | } |
| 1173 | mActiveDefaultNetwork = type; |
| 1174 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1175 | thisNet.setTeardownRequested(false); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1176 | thisNet.updateNetworkSettings(); |
| 1177 | handleConnectivityChange(); |
| 1178 | sendConnectedBroadcast(info); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1179 | } |
| 1180 | |
| 1181 | private void handleScanResultsAvailable(NetworkInfo info) { |
| 1182 | int networkType = info.getType(); |
| 1183 | if (networkType != ConnectivityManager.TYPE_WIFI) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1184 | if (DBG) Slog.v(TAG, "Got ScanResultsAvailable for " + |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1185 | info.getTypeName() + " network. Don't know how to handle."); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1186 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1187 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1188 | mNetTrackers[networkType].interpretScanResultsAvailable(); |
| 1189 | } |
| 1190 | |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1191 | private void handleNotificationChange(boolean visible, int id, |
| 1192 | Notification notification) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1193 | NotificationManager notificationManager = (NotificationManager) mContext |
| 1194 | .getSystemService(Context.NOTIFICATION_SERVICE); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1195 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1196 | if (visible) { |
| 1197 | notificationManager.notify(id, notification); |
| 1198 | } else { |
| 1199 | notificationManager.cancel(id); |
| 1200 | } |
| 1201 | } |
| 1202 | |
| 1203 | /** |
| 1204 | * After any kind of change in the connectivity state of any network, |
| 1205 | * make sure that anything that depends on the connectivity state of |
| 1206 | * more than one network is set up correctly. We're mainly concerned |
| 1207 | * with making sure that the list of DNS servers is set up according |
| 1208 | * to which networks are connected, and ensuring that the right routing |
| 1209 | * table entries exist. |
| 1210 | */ |
| 1211 | private void handleConnectivityChange() { |
| 1212 | /* |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1213 | * If a non-default network is enabled, add the host routes that |
Robert Greenwalt | 1ef95f9 | 2009-09-30 21:01:30 -0700 | [diff] [blame] | 1214 | * 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] | 1215 | * If both mobile and wifi are enabled, add the host routes that |
| 1216 | * will allow MMS traffic to pass on the mobile network. But |
| 1217 | * remove the default route for the mobile network, so that there |
| 1218 | * will be only one default route, to ensure that all traffic |
| 1219 | * except MMS will travel via Wi-Fi. |
| 1220 | */ |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1221 | handleDnsConfigurationChange(); |
| 1222 | |
| 1223 | for (int netType : mPriorityList) { |
| 1224 | if (mNetTrackers[netType].getNetworkInfo().isConnected()) { |
| 1225 | if (mNetAttributes[netType].isDefault()) { |
| 1226 | mNetTrackers[netType].addDefaultRoute(); |
| 1227 | } else { |
| 1228 | mNetTrackers[netType].addPrivateDnsRoutes(); |
| 1229 | } |
| 1230 | } else { |
| 1231 | if (mNetAttributes[netType].isDefault()) { |
| 1232 | mNetTrackers[netType].removeDefaultRoute(); |
| 1233 | } else { |
| 1234 | mNetTrackers[netType].removePrivateDnsRoutes(); |
| 1235 | } |
| 1236 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1237 | } |
| 1238 | } |
| 1239 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1240 | /** |
| 1241 | * Adjust the per-process dns entries (net.dns<x>.<pid>) based |
| 1242 | * on the highest priority active net which this process requested. |
| 1243 | * If there aren't any, clear it out |
| 1244 | */ |
| 1245 | private void reassessPidDns(int myPid, boolean doBump) |
| 1246 | { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1247 | if (DBG) Slog.d(TAG, "reassessPidDns for pid " + myPid); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1248 | for(int i : mPriorityList) { |
| 1249 | if (mNetAttributes[i].isDefault()) { |
| 1250 | continue; |
| 1251 | } |
| 1252 | NetworkStateTracker nt = mNetTrackers[i]; |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1253 | if (nt.getNetworkInfo().isConnected() && |
| 1254 | !nt.isTeardownRequested()) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1255 | List pids = mNetRequestersPids[i]; |
| 1256 | for (int j=0; j<pids.size(); j++) { |
| 1257 | Integer pid = (Integer)pids.get(j); |
| 1258 | if (pid.intValue() == myPid) { |
| 1259 | String[] dnsList = nt.getNameServers(); |
| 1260 | writePidDns(dnsList, myPid); |
| 1261 | if (doBump) { |
| 1262 | bumpDns(); |
| 1263 | } |
| 1264 | return; |
| 1265 | } |
| 1266 | } |
| 1267 | } |
| 1268 | } |
| 1269 | // nothing found - delete |
| 1270 | for (int i = 1; ; i++) { |
| 1271 | String prop = "net.dns" + i + "." + myPid; |
| 1272 | if (SystemProperties.get(prop).length() == 0) { |
| 1273 | if (doBump) { |
| 1274 | bumpDns(); |
| 1275 | } |
| 1276 | return; |
| 1277 | } |
| 1278 | SystemProperties.set(prop, ""); |
| 1279 | } |
| 1280 | } |
| 1281 | |
| 1282 | private void writePidDns(String[] dnsList, int pid) { |
| 1283 | int j = 1; |
| 1284 | for (String dns : dnsList) { |
| 1285 | if (dns != null && !TextUtils.equals(dns, "0.0.0.0")) { |
| 1286 | SystemProperties.set("net.dns" + j++ + "." + pid, dns); |
| 1287 | } |
| 1288 | } |
| 1289 | } |
| 1290 | |
| 1291 | private void bumpDns() { |
| 1292 | /* |
| 1293 | * Bump the property that tells the name resolver library to reread |
| 1294 | * the DNS server list from the properties. |
| 1295 | */ |
| 1296 | String propVal = SystemProperties.get("net.dnschange"); |
| 1297 | int n = 0; |
| 1298 | if (propVal.length() != 0) { |
| 1299 | try { |
| 1300 | n = Integer.parseInt(propVal); |
| 1301 | } catch (NumberFormatException e) {} |
| 1302 | } |
| 1303 | SystemProperties.set("net.dnschange", "" + (n+1)); |
| 1304 | } |
| 1305 | |
| 1306 | private void handleDnsConfigurationChange() { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1307 | // add default net's dns entries |
| 1308 | for (int x = mPriorityList.length-1; x>= 0; x--) { |
| 1309 | int netType = mPriorityList[x]; |
| 1310 | NetworkStateTracker nt = mNetTrackers[netType]; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1311 | if (nt != null && nt.getNetworkInfo().isConnected() && |
| 1312 | !nt.isTeardownRequested()) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1313 | String[] dnsList = nt.getNameServers(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1314 | if (mNetAttributes[netType].isDefault()) { |
| 1315 | int j = 1; |
| 1316 | for (String dns : dnsList) { |
| 1317 | if (dns != null && !TextUtils.equals(dns, "0.0.0.0")) { |
Robert Greenwalt | 1ef95f9 | 2009-09-30 21:01:30 -0700 | [diff] [blame] | 1318 | if (DBG) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1319 | Slog.d(TAG, "adding dns " + dns + " for " + |
Robert Greenwalt | 1ef95f9 | 2009-09-30 21:01:30 -0700 | [diff] [blame] | 1320 | nt.getNetworkInfo().getTypeName()); |
| 1321 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1322 | SystemProperties.set("net.dns" + j++, dns); |
| 1323 | } |
| 1324 | } |
| 1325 | for (int k=j ; k<mNumDnsEntries; k++) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1326 | if (DBG) Slog.d(TAG, "erasing net.dns" + k); |
Robert Greenwalt | b06324a | 2009-08-25 14:00:10 -0700 | [diff] [blame] | 1327 | SystemProperties.set("net.dns" + k, ""); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1328 | } |
| 1329 | mNumDnsEntries = j; |
| 1330 | } else { |
| 1331 | // set per-pid dns for attached secondary nets |
| 1332 | List pids = mNetRequestersPids[netType]; |
| 1333 | for (int y=0; y< pids.size(); y++) { |
| 1334 | Integer pid = (Integer)pids.get(y); |
| 1335 | writePidDns(dnsList, pid.intValue()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1336 | } |
| 1337 | } |
| 1338 | } |
| 1339 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1340 | |
| 1341 | bumpDns(); |
| 1342 | } |
| 1343 | |
| 1344 | private int getRestoreDefaultNetworkDelay() { |
| 1345 | String restoreDefaultNetworkDelayStr = SystemProperties.get( |
| 1346 | NETWORK_RESTORE_DELAY_PROP_NAME); |
| 1347 | if(restoreDefaultNetworkDelayStr != null && |
| 1348 | restoreDefaultNetworkDelayStr.length() != 0) { |
| 1349 | try { |
| 1350 | return Integer.valueOf(restoreDefaultNetworkDelayStr); |
| 1351 | } catch (NumberFormatException e) { |
| 1352 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1353 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1354 | return RESTORE_DEFAULT_NETWORK_DELAY; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1355 | } |
| 1356 | |
| 1357 | @Override |
| 1358 | protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1359 | if (mContext.checkCallingOrSelfPermission( |
| 1360 | android.Manifest.permission.DUMP) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1361 | != PackageManager.PERMISSION_GRANTED) { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1362 | pw.println("Permission Denial: can't dump ConnectivityService " + |
| 1363 | "from from pid=" + Binder.getCallingPid() + ", uid=" + |
| 1364 | Binder.getCallingUid()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1365 | return; |
| 1366 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1367 | pw.println(); |
| 1368 | for (NetworkStateTracker nst : mNetTrackers) { |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 1369 | if (nst != null) { |
| 1370 | if (nst.getNetworkInfo().isConnected()) { |
| 1371 | pw.println("Active network: " + nst.getNetworkInfo(). |
| 1372 | getTypeName()); |
| 1373 | } |
| 1374 | pw.println(nst.getNetworkInfo()); |
| 1375 | pw.println(nst); |
| 1376 | pw.println(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1377 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1378 | } |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 1379 | |
| 1380 | pw.println("Network Requester Pids:"); |
| 1381 | for (int net : mPriorityList) { |
| 1382 | String pidString = net + ": "; |
| 1383 | for (Object pid : mNetRequestersPids[net]) { |
| 1384 | pidString = pidString + pid.toString() + ", "; |
| 1385 | } |
| 1386 | pw.println(pidString); |
| 1387 | } |
| 1388 | pw.println(); |
| 1389 | |
| 1390 | pw.println("FeatureUsers:"); |
| 1391 | for (Object requester : mFeatureUsers) { |
| 1392 | pw.println(requester.toString()); |
| 1393 | } |
| 1394 | pw.println(); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1395 | |
| 1396 | mTethering.dump(fd, pw, args); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1397 | } |
| 1398 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1399 | // must be stateless - things change under us. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1400 | private class MyHandler extends Handler { |
| 1401 | @Override |
| 1402 | public void handleMessage(Message msg) { |
| 1403 | NetworkInfo info; |
| 1404 | switch (msg.what) { |
| 1405 | case NetworkStateTracker.EVENT_STATE_CHANGED: |
| 1406 | info = (NetworkInfo) msg.obj; |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1407 | int type = info.getType(); |
| 1408 | NetworkInfo.State state = info.getState(); |
Robert Greenwalt | 6e6dec2 | 2010-01-25 16:14:00 -0800 | [diff] [blame] | 1409 | // only do this optimization for wifi. It going into scan mode for location |
| 1410 | // services generates alot of noise. Meanwhile the mms apn won't send out |
| 1411 | // subsequent notifications when on default cellular because it never |
| 1412 | // disconnects.. so only do this to wifi notifications. Fixed better when the |
| 1413 | // APN notifications are standardized. |
| 1414 | if (mNetAttributes[type].mLastState == state && |
| 1415 | mNetAttributes[type].mRadio == ConnectivityManager.TYPE_WIFI) { |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1416 | if (DBG) { |
Robert Greenwalt | 6e6dec2 | 2010-01-25 16:14:00 -0800 | [diff] [blame] | 1417 | // TODO - remove this after we validate the dropping doesn't break |
| 1418 | // anything |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1419 | Slog.d(TAG, "Dropping ConnectivityChange for " + |
Robert Greenwalt | 1193ae4 | 2010-01-13 09:36:31 -0800 | [diff] [blame] | 1420 | info.getTypeName() + ": " + |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1421 | state + "/" + info.getDetailedState()); |
| 1422 | } |
| 1423 | return; |
| 1424 | } |
| 1425 | mNetAttributes[type].mLastState = state; |
| 1426 | |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1427 | if (DBG) Slog.d(TAG, "ConnectivityChange for " + |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1428 | info.getTypeName() + ": " + |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1429 | state + "/" + info.getDetailedState()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1430 | |
| 1431 | // Connectivity state changed: |
| 1432 | // [31-13] Reserved for future use |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1433 | // [12-9] Network subtype (for mobile network, as defined |
| 1434 | // by TelephonyManager) |
| 1435 | // [8-3] Detailed state ordinal (as defined by |
| 1436 | // NetworkInfo.DetailedState) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1437 | // [2-0] Network type (as defined by ConnectivityManager) |
| 1438 | int eventLogParam = (info.getType() & 0x7) | |
| 1439 | ((info.getDetailedState().ordinal() & 0x3f) << 3) | |
| 1440 | (info.getSubtype() << 9); |
Doug Zongker | ab5c49c | 2009-12-04 10:31:43 -0800 | [diff] [blame] | 1441 | EventLog.writeEvent(EventLogTags.CONNECTIVITY_STATE_CHANGED, |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1442 | eventLogParam); |
| 1443 | |
| 1444 | if (info.getDetailedState() == |
| 1445 | NetworkInfo.DetailedState.FAILED) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1446 | handleConnectionFailure(info); |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1447 | } else if (state == NetworkInfo.State.DISCONNECTED) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1448 | handleDisconnect(info); |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1449 | } else if (state == NetworkInfo.State.SUSPENDED) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1450 | // TODO: need to think this over. |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1451 | // the logic here is, handle SUSPENDED the same as |
| 1452 | // DISCONNECTED. The only difference being we are |
| 1453 | // broadcasting an intent with NetworkInfo that's |
| 1454 | // suspended. This allows the applications an |
| 1455 | // opportunity to handle DISCONNECTED and SUSPENDED |
| 1456 | // differently, or not. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1457 | handleDisconnect(info); |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1458 | } else if (state == NetworkInfo.State.CONNECTED) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1459 | handleConnect(info); |
| 1460 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1461 | break; |
| 1462 | |
| 1463 | case NetworkStateTracker.EVENT_SCAN_RESULTS_AVAILABLE: |
| 1464 | info = (NetworkInfo) msg.obj; |
| 1465 | handleScanResultsAvailable(info); |
| 1466 | break; |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1467 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1468 | case NetworkStateTracker.EVENT_NOTIFICATION_CHANGED: |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1469 | handleNotificationChange(msg.arg1 == 1, msg.arg2, |
| 1470 | (Notification) msg.obj); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1471 | |
| 1472 | case NetworkStateTracker.EVENT_CONFIGURATION_CHANGED: |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1473 | handleDnsConfigurationChange(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1474 | break; |
| 1475 | |
| 1476 | case NetworkStateTracker.EVENT_ROAMING_CHANGED: |
| 1477 | // fill me in |
| 1478 | break; |
| 1479 | |
| 1480 | case NetworkStateTracker.EVENT_NETWORK_SUBTYPE_CHANGED: |
| 1481 | // fill me in |
| 1482 | break; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1483 | case NetworkStateTracker.EVENT_RESTORE_DEFAULT_NETWORK: |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 1484 | FeatureUser u = (FeatureUser)msg.obj; |
| 1485 | u.expire(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1486 | break; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1487 | } |
| 1488 | } |
| 1489 | } |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 1490 | |
| 1491 | // javadoc from interface |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 1492 | public int tether(String iface) { |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 1493 | enforceTetherChangePermission(); |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 1494 | |
| 1495 | if (isTetheringSupported()) { |
| 1496 | return mTethering.tether(iface); |
| 1497 | } else { |
| 1498 | return ConnectivityManager.TETHER_ERROR_UNSUPPORTED; |
| 1499 | } |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 1500 | } |
| 1501 | |
| 1502 | // javadoc from interface |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 1503 | public int untether(String iface) { |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 1504 | enforceTetherChangePermission(); |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 1505 | |
| 1506 | if (isTetheringSupported()) { |
| 1507 | return mTethering.untether(iface); |
| 1508 | } else { |
| 1509 | return ConnectivityManager.TETHER_ERROR_UNSUPPORTED; |
| 1510 | } |
| 1511 | } |
| 1512 | |
| 1513 | // javadoc from interface |
| 1514 | public int getLastTetherError(String iface) { |
| 1515 | enforceTetherAccessPermission(); |
| 1516 | |
| 1517 | if (isTetheringSupported()) { |
| 1518 | return mTethering.getLastTetherError(iface); |
| 1519 | } else { |
| 1520 | return ConnectivityManager.TETHER_ERROR_UNSUPPORTED; |
| 1521 | } |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1522 | } |
| 1523 | |
| 1524 | // TODO - proper iface API for selection by property, inspection, etc |
| 1525 | public String[] getTetherableUsbRegexs() { |
| 1526 | enforceTetherAccessPermission(); |
| 1527 | if (isTetheringSupported()) { |
| 1528 | return mTethering.getTetherableUsbRegexs(); |
| 1529 | } else { |
| 1530 | return new String[0]; |
| 1531 | } |
| 1532 | } |
| 1533 | |
| 1534 | public String[] getTetherableWifiRegexs() { |
| 1535 | enforceTetherAccessPermission(); |
| 1536 | if (isTetheringSupported()) { |
| 1537 | return mTethering.getTetherableWifiRegexs(); |
| 1538 | } else { |
| 1539 | return new String[0]; |
| 1540 | } |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 1541 | } |
| 1542 | |
| 1543 | // TODO - move iface listing, queries, etc to new module |
| 1544 | // javadoc from interface |
| 1545 | public String[] getTetherableIfaces() { |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1546 | enforceTetherAccessPermission(); |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 1547 | return mTethering.getTetherableIfaces(); |
| 1548 | } |
| 1549 | |
| 1550 | public String[] getTetheredIfaces() { |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1551 | enforceTetherAccessPermission(); |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 1552 | return mTethering.getTetheredIfaces(); |
| 1553 | } |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1554 | |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 1555 | public String[] getTetheringErroredIfaces() { |
| 1556 | enforceTetherAccessPermission(); |
| 1557 | return mTethering.getErroredIfaces(); |
| 1558 | } |
| 1559 | |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1560 | // if ro.tether.denied = true we default to no tethering |
| 1561 | // gservices could set the secure setting to 1 though to enable it on a build where it |
| 1562 | // had previously been turned off. |
| 1563 | public boolean isTetheringSupported() { |
| 1564 | enforceTetherAccessPermission(); |
| 1565 | int defaultVal = (SystemProperties.get("ro.tether.denied").equals("true") ? 0 : 1); |
Robert Greenwalt | c9d5fb7 | 2010-02-25 12:29:30 -0800 | [diff] [blame] | 1566 | boolean tetherEnabledInSettings = (Settings.Secure.getInt(mContext.getContentResolver(), |
| 1567 | Settings.Secure.TETHER_SUPPORTED, defaultVal) != 0); |
| 1568 | return tetherEnabledInSettings && mTetheringConfigValid; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1569 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1570 | } |