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; |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 29 | import android.net.NetworkProperties; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 30 | import android.net.NetworkStateTracker; |
| 31 | import android.net.wifi.WifiStateTracker; |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 32 | import android.net.NetworkUtils; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 33 | import android.os.Binder; |
| 34 | import android.os.Handler; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 35 | import android.os.IBinder; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 36 | import android.os.Looper; |
| 37 | import android.os.Message; |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 38 | import android.os.PowerManager; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 39 | import android.os.RemoteException; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 40 | import android.os.ServiceManager; |
| 41 | import android.os.SystemProperties; |
| 42 | import android.provider.Settings; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 43 | import android.text.TextUtils; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 44 | import android.util.EventLog; |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 45 | import android.util.Slog; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 46 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 47 | import com.android.internal.telephony.Phone; |
| 48 | |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 49 | import com.android.server.connectivity.Tethering; |
| 50 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 51 | import java.io.FileDescriptor; |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 52 | import java.io.FileWriter; |
| 53 | import java.io.IOException; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 54 | import java.io.PrintWriter; |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 55 | import java.net.InetAddress; |
| 56 | import java.net.UnknownHostException; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 57 | import java.util.ArrayList; |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 58 | import java.util.Collection; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 59 | import java.util.List; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 60 | |
| 61 | /** |
| 62 | * @hide |
| 63 | */ |
| 64 | public class ConnectivityService extends IConnectivityManager.Stub { |
| 65 | |
Robert Greenwalt | d8df149 | 2009-10-06 14:12:53 -0700 | [diff] [blame] | 66 | private static final boolean DBG = true; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 67 | private static final String TAG = "ConnectivityService"; |
| 68 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 69 | // how long to wait before switching back to a radio's default network |
| 70 | private static final int RESTORE_DEFAULT_NETWORK_DELAY = 1 * 60 * 1000; |
| 71 | // system property that can override the above value |
| 72 | private static final String NETWORK_RESTORE_DELAY_PROP_NAME = |
| 73 | "android.telephony.apn-restore"; |
| 74 | |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 75 | private Tethering mTethering; |
Robert Greenwalt | c9d5fb7 | 2010-02-25 12:29:30 -0800 | [diff] [blame] | 76 | private boolean mTetheringConfigValid = false; |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 77 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 78 | /** |
| 79 | * Sometimes we want to refer to the individual network state |
| 80 | * trackers separately, and sometimes we just want to treat them |
| 81 | * abstractly. |
| 82 | */ |
| 83 | private NetworkStateTracker mNetTrackers[]; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 84 | |
| 85 | /** |
| 86 | * A per Net list of the PID's that requested access to the net |
| 87 | * used both as a refcount and for per-PID DNS selection |
| 88 | */ |
| 89 | private List mNetRequestersPids[]; |
| 90 | |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 91 | private WifiWatchdogService mWifiWatchdogService; |
| 92 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 93 | // priority order of the nettrackers |
| 94 | // (excluding dynamically set mNetworkPreference) |
| 95 | // TODO - move mNetworkTypePreference into this |
| 96 | private int[] mPriorityList; |
| 97 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 98 | private Context mContext; |
| 99 | private int mNetworkPreference; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 100 | private int mActiveDefaultNetwork = -1; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 101 | |
| 102 | private int mNumDnsEntries; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 103 | |
| 104 | private boolean mTestMode; |
| 105 | private static ConnectivityService sServiceInstance; |
| 106 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 107 | private Handler mHandler; |
| 108 | |
| 109 | // list of DeathRecipients used to make sure features are turned off when |
| 110 | // a process dies |
| 111 | private List mFeatureUsers; |
| 112 | |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 113 | private boolean mSystemReady; |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 114 | private Intent mInitialBroadcast; |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 115 | |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 116 | private PowerManager.WakeLock mNetTransitionWakeLock; |
| 117 | private String mNetTransitionWakeLockCausedBy = ""; |
| 118 | private int mNetTransitionWakeLockSerialNumber; |
| 119 | private int mNetTransitionWakeLockTimeout; |
| 120 | |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 121 | private static class NetworkAttributes { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 122 | /** |
| 123 | * Class for holding settings read from resources. |
| 124 | */ |
| 125 | public String mName; |
| 126 | public int mType; |
| 127 | public int mRadio; |
| 128 | public int mPriority; |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 129 | public NetworkInfo.State mLastState; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 130 | public NetworkAttributes(String init) { |
| 131 | String fragments[] = init.split(","); |
| 132 | mName = fragments[0].toLowerCase(); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 133 | mType = Integer.parseInt(fragments[1]); |
| 134 | mRadio = Integer.parseInt(fragments[2]); |
| 135 | mPriority = Integer.parseInt(fragments[3]); |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 136 | mLastState = NetworkInfo.State.UNKNOWN; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 137 | } |
| 138 | public boolean isDefault() { |
| 139 | return (mType == mRadio); |
| 140 | } |
| 141 | } |
| 142 | NetworkAttributes[] mNetAttributes; |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 143 | int mNetworksDefined; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 144 | |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 145 | private static class RadioAttributes { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 146 | public int mSimultaneity; |
| 147 | public int mType; |
| 148 | public RadioAttributes(String init) { |
| 149 | String fragments[] = init.split(","); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 150 | mType = Integer.parseInt(fragments[0]); |
| 151 | mSimultaneity = Integer.parseInt(fragments[1]); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 152 | } |
| 153 | } |
| 154 | RadioAttributes[] mRadioAttributes; |
| 155 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 156 | private static class ConnectivityThread extends Thread { |
| 157 | private Context mContext; |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 158 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 159 | private ConnectivityThread(Context context) { |
| 160 | super("ConnectivityThread"); |
| 161 | mContext = context; |
| 162 | } |
| 163 | |
| 164 | @Override |
| 165 | public void run() { |
| 166 | Looper.prepare(); |
| 167 | synchronized (this) { |
| 168 | sServiceInstance = new ConnectivityService(mContext); |
| 169 | notifyAll(); |
| 170 | } |
| 171 | Looper.loop(); |
| 172 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 173 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 174 | public static ConnectivityService getServiceInstance(Context context) { |
| 175 | ConnectivityThread thread = new ConnectivityThread(context); |
| 176 | thread.start(); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 177 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 178 | synchronized (thread) { |
| 179 | while (sServiceInstance == null) { |
| 180 | try { |
| 181 | // Wait until sServiceInstance has been initialized. |
| 182 | thread.wait(); |
| 183 | } catch (InterruptedException ignore) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 184 | Slog.e(TAG, |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 185 | "Unexpected InterruptedException while waiting"+ |
| 186 | " for ConnectivityService thread"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 187 | } |
| 188 | } |
| 189 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 190 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 191 | return sServiceInstance; |
| 192 | } |
| 193 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 194 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 195 | public static ConnectivityService getInstance(Context context) { |
| 196 | return ConnectivityThread.getServiceInstance(context); |
| 197 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 198 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 199 | private ConnectivityService(Context context) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 200 | if (DBG) Slog.v(TAG, "ConnectivityService starting up"); |
Robert Greenwalt | de8383c | 2010-01-14 17:47:58 -0800 | [diff] [blame] | 201 | |
| 202 | // setup our unique device name |
| 203 | String id = Settings.Secure.getString(context.getContentResolver(), |
| 204 | Settings.Secure.ANDROID_ID); |
| 205 | if (id != null && id.length() > 0) { |
| 206 | String name = new String("android_").concat(id); |
| 207 | SystemProperties.set("net.hostname", name); |
| 208 | } |
| 209 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 210 | mContext = context; |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 211 | |
| 212 | PowerManager powerManager = (PowerManager)mContext.getSystemService(Context.POWER_SERVICE); |
| 213 | mNetTransitionWakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, TAG); |
| 214 | mNetTransitionWakeLockTimeout = mContext.getResources().getInteger( |
| 215 | com.android.internal.R.integer.config_networkTransitionTimeout); |
| 216 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 217 | mNetTrackers = new NetworkStateTracker[ |
| 218 | ConnectivityManager.MAX_NETWORK_TYPE+1]; |
| 219 | mHandler = new MyHandler(); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 220 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 221 | mNetworkPreference = getPersistedNetworkPreference(); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 222 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 223 | mRadioAttributes = new RadioAttributes[ConnectivityManager.MAX_RADIO_TYPE+1]; |
| 224 | mNetAttributes = new NetworkAttributes[ConnectivityManager.MAX_NETWORK_TYPE+1]; |
| 225 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 226 | // Load device network attributes from resources |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 227 | String[] raStrings = context.getResources().getStringArray( |
| 228 | com.android.internal.R.array.radioAttributes); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 229 | for (String raString : raStrings) { |
| 230 | RadioAttributes r = new RadioAttributes(raString); |
| 231 | if (r.mType > ConnectivityManager.MAX_RADIO_TYPE) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 232 | 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] | 233 | continue; |
| 234 | } |
| 235 | if (mRadioAttributes[r.mType] != null) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 236 | Slog.e(TAG, "Error in radioAttributes - ignoring attempt to redefine type " + |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 237 | r.mType); |
| 238 | continue; |
| 239 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 240 | mRadioAttributes[r.mType] = r; |
| 241 | } |
| 242 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 243 | String[] naStrings = context.getResources().getStringArray( |
| 244 | com.android.internal.R.array.networkAttributes); |
| 245 | for (String naString : naStrings) { |
| 246 | try { |
| 247 | NetworkAttributes n = new NetworkAttributes(naString); |
| 248 | if (n.mType > ConnectivityManager.MAX_NETWORK_TYPE) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 249 | Slog.e(TAG, "Error in networkAttributes - ignoring attempt to define type " + |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 250 | n.mType); |
| 251 | continue; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 252 | } |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 253 | if (mNetAttributes[n.mType] != null) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 254 | Slog.e(TAG, "Error in networkAttributes - ignoring attempt to redefine type " + |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 255 | n.mType); |
| 256 | continue; |
| 257 | } |
| 258 | if (mRadioAttributes[n.mRadio] == null) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 259 | Slog.e(TAG, "Error in networkAttributes - ignoring attempt to use undefined " + |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 260 | "radio " + n.mRadio + " in network type " + n.mType); |
| 261 | continue; |
| 262 | } |
| 263 | mNetAttributes[n.mType] = n; |
| 264 | mNetworksDefined++; |
| 265 | } catch(Exception e) { |
| 266 | // ignore it - leave the entry null |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 267 | } |
| 268 | } |
| 269 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 270 | // high priority first |
| 271 | mPriorityList = new int[mNetworksDefined]; |
| 272 | { |
| 273 | int insertionPoint = mNetworksDefined-1; |
| 274 | int currentLowest = 0; |
| 275 | int nextLowest = 0; |
| 276 | while (insertionPoint > -1) { |
| 277 | for (NetworkAttributes na : mNetAttributes) { |
| 278 | if (na == null) continue; |
| 279 | if (na.mPriority < currentLowest) continue; |
| 280 | if (na.mPriority > currentLowest) { |
| 281 | if (na.mPriority < nextLowest || nextLowest == 0) { |
| 282 | nextLowest = na.mPriority; |
| 283 | } |
| 284 | continue; |
| 285 | } |
| 286 | mPriorityList[insertionPoint--] = na.mType; |
| 287 | } |
| 288 | currentLowest = nextLowest; |
| 289 | nextLowest = 0; |
| 290 | } |
| 291 | } |
| 292 | |
| 293 | mNetRequestersPids = new ArrayList[ConnectivityManager.MAX_NETWORK_TYPE+1]; |
| 294 | for (int i : mPriorityList) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 295 | mNetRequestersPids[i] = new ArrayList(); |
| 296 | } |
| 297 | |
| 298 | mFeatureUsers = new ArrayList(); |
| 299 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 300 | mNumDnsEntries = 0; |
| 301 | |
| 302 | mTestMode = SystemProperties.get("cm.test.mode").equals("true") |
| 303 | && SystemProperties.get("ro.build.type").equals("eng"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 304 | /* |
| 305 | * Create the network state trackers for Wi-Fi and mobile |
| 306 | * data. Maybe this could be done with a factory class, |
| 307 | * but it's not clear that it's worth it, given that |
| 308 | * the number of different network types is not going |
| 309 | * to change very often. |
| 310 | */ |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 311 | boolean noMobileData = !getMobileDataEnabled(); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 312 | for (int netType : mPriorityList) { |
| 313 | switch (mNetAttributes[netType].mRadio) { |
| 314 | case ConnectivityManager.TYPE_WIFI: |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 315 | if (DBG) Slog.v(TAG, "Starting Wifi Service."); |
Wink Saville | c7a9834 | 2010-08-13 16:11:42 -0700 | [diff] [blame^] | 316 | WifiStateTracker wst = new WifiStateTracker(); |
Irfan Sheriff | 0d25534 | 2010-07-28 09:35:20 -0700 | [diff] [blame] | 317 | WifiService wifiService = new WifiService(context); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 318 | ServiceManager.addService(Context.WIFI_SERVICE, wifiService); |
Irfan Sheriff | 0d25534 | 2010-07-28 09:35:20 -0700 | [diff] [blame] | 319 | wifiService.checkAndStartWifi(); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 320 | mNetTrackers[ConnectivityManager.TYPE_WIFI] = wst; |
Wink Saville | c7a9834 | 2010-08-13 16:11:42 -0700 | [diff] [blame^] | 321 | wst.startMonitoring(context, mHandler); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 322 | |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 323 | //TODO: as part of WWS refactor, create only when needed |
Irfan Sheriff | 0d25534 | 2010-07-28 09:35:20 -0700 | [diff] [blame] | 324 | mWifiWatchdogService = new WifiWatchdogService(context); |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 325 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 326 | break; |
| 327 | case ConnectivityManager.TYPE_MOBILE: |
Wink Saville | c7a9834 | 2010-08-13 16:11:42 -0700 | [diff] [blame^] | 328 | mNetTrackers[netType] = new MobileDataStateTracker(netType, |
| 329 | mNetAttributes[netType].mName); |
| 330 | mNetTrackers[netType].startMonitoring(context, mHandler); |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 331 | if (noMobileData) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 332 | if (DBG) Slog.d(TAG, "tearing down Mobile networks due to setting"); |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 333 | mNetTrackers[netType].teardown(); |
| 334 | } |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 335 | break; |
| 336 | default: |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 337 | 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] | 338 | mNetAttributes[netType].mRadio); |
| 339 | continue; |
| 340 | } |
| 341 | } |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 342 | |
Robert Greenwalt | dfadaea | 2010-03-11 15:03:08 -0800 | [diff] [blame] | 343 | mTethering = new Tethering(mContext, mHandler.getLooper()); |
Robert Greenwalt | c9d5fb7 | 2010-02-25 12:29:30 -0800 | [diff] [blame] | 344 | mTetheringConfigValid = (((mNetTrackers[ConnectivityManager.TYPE_MOBILE_DUN] != null) || |
| 345 | !mTethering.isDunRequired()) && |
| 346 | (mTethering.getTetherableUsbRegexs().length != 0 || |
| 347 | mTethering.getTetherableWifiRegexs().length != 0) && |
| 348 | mTethering.getUpstreamIfaceRegexs().length != 0); |
| 349 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 350 | } |
| 351 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 352 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 353 | /** |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 354 | * Sets the preferred network. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 355 | * @param preference the new preference |
| 356 | */ |
| 357 | public synchronized void setNetworkPreference(int preference) { |
| 358 | enforceChangePermission(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 359 | if (ConnectivityManager.isNetworkTypeValid(preference) && |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 360 | mNetAttributes[preference] != null && |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 361 | mNetAttributes[preference].isDefault()) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 362 | if (mNetworkPreference != preference) { |
| 363 | persistNetworkPreference(preference); |
| 364 | mNetworkPreference = preference; |
| 365 | enforcePreference(); |
| 366 | } |
| 367 | } |
| 368 | } |
| 369 | |
| 370 | public int getNetworkPreference() { |
| 371 | enforceAccessPermission(); |
| 372 | return mNetworkPreference; |
| 373 | } |
| 374 | |
| 375 | private void persistNetworkPreference(int networkPreference) { |
| 376 | final ContentResolver cr = mContext.getContentResolver(); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 377 | Settings.Secure.putInt(cr, Settings.Secure.NETWORK_PREFERENCE, |
| 378 | networkPreference); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 379 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 380 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 381 | private int getPersistedNetworkPreference() { |
| 382 | final ContentResolver cr = mContext.getContentResolver(); |
| 383 | |
| 384 | final int networkPrefSetting = Settings.Secure |
| 385 | .getInt(cr, Settings.Secure.NETWORK_PREFERENCE, -1); |
| 386 | if (networkPrefSetting != -1) { |
| 387 | return networkPrefSetting; |
| 388 | } |
| 389 | |
| 390 | return ConnectivityManager.DEFAULT_NETWORK_PREFERENCE; |
| 391 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 392 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 393 | /** |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 394 | * 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] | 395 | * In this method, we only tear down a non-preferred network. Establishing |
| 396 | * a connection to the preferred network is taken care of when we handle |
| 397 | * the disconnect event from the non-preferred network |
| 398 | * (see {@link #handleDisconnect(NetworkInfo)}). |
| 399 | */ |
| 400 | private void enforcePreference() { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 401 | if (mNetTrackers[mNetworkPreference].getNetworkInfo().isConnected()) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 402 | return; |
| 403 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 404 | if (!mNetTrackers[mNetworkPreference].isAvailable()) |
| 405 | return; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 406 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 407 | for (int t=0; t <= ConnectivityManager.MAX_RADIO_TYPE; t++) { |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 408 | if (t != mNetworkPreference && mNetTrackers[t] != null && |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 409 | mNetTrackers[t].getNetworkInfo().isConnected()) { |
Robert Greenwalt | ec9fe46 | 2009-08-20 15:25:14 -0700 | [diff] [blame] | 410 | if (DBG) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 411 | Slog.d(TAG, "tearing down " + |
Robert Greenwalt | ec9fe46 | 2009-08-20 15:25:14 -0700 | [diff] [blame] | 412 | mNetTrackers[t].getNetworkInfo() + |
| 413 | " in enforcePreference"); |
| 414 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 415 | teardown(mNetTrackers[t]); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 416 | } |
| 417 | } |
| 418 | } |
| 419 | |
| 420 | private boolean teardown(NetworkStateTracker netTracker) { |
| 421 | if (netTracker.teardown()) { |
| 422 | netTracker.setTeardownRequested(true); |
| 423 | return true; |
| 424 | } else { |
| 425 | return false; |
| 426 | } |
| 427 | } |
| 428 | |
| 429 | /** |
| 430 | * Return NetworkInfo for the active (i.e., connected) network interface. |
| 431 | * It is assumed that at most one network is active at a time. If more |
| 432 | * than one is active, it is indeterminate which will be returned. |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 433 | * @return the info for the active network, or {@code null} if none is |
| 434 | * active |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 435 | */ |
| 436 | public NetworkInfo getActiveNetworkInfo() { |
| 437 | enforceAccessPermission(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 438 | for (int type=0; type <= ConnectivityManager.MAX_NETWORK_TYPE; type++) { |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 439 | if (mNetAttributes[type] == null || !mNetAttributes[type].isDefault()) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 440 | continue; |
| 441 | } |
| 442 | NetworkStateTracker t = mNetTrackers[type]; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 443 | NetworkInfo info = t.getNetworkInfo(); |
| 444 | if (info.isConnected()) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 445 | if (DBG && type != mActiveDefaultNetwork) Slog.e(TAG, |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 446 | "connected default network is not " + |
| 447 | "mActiveDefaultNetwork!"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 448 | return info; |
| 449 | } |
| 450 | } |
| 451 | return null; |
| 452 | } |
| 453 | |
| 454 | public NetworkInfo getNetworkInfo(int networkType) { |
| 455 | enforceAccessPermission(); |
| 456 | if (ConnectivityManager.isNetworkTypeValid(networkType)) { |
| 457 | NetworkStateTracker t = mNetTrackers[networkType]; |
| 458 | if (t != null) |
| 459 | return t.getNetworkInfo(); |
| 460 | } |
| 461 | return null; |
| 462 | } |
| 463 | |
| 464 | public NetworkInfo[] getAllNetworkInfo() { |
| 465 | enforceAccessPermission(); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 466 | NetworkInfo[] result = new NetworkInfo[mNetworksDefined]; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 467 | int i = 0; |
| 468 | for (NetworkStateTracker t : mNetTrackers) { |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 469 | if(t != null) result[i++] = t.getNetworkInfo(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 470 | } |
| 471 | return result; |
| 472 | } |
| 473 | |
| 474 | public boolean setRadios(boolean turnOn) { |
| 475 | boolean result = true; |
| 476 | enforceChangePermission(); |
| 477 | for (NetworkStateTracker t : mNetTrackers) { |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 478 | if (t != null) result = t.setRadio(turnOn) && result; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 479 | } |
| 480 | return result; |
| 481 | } |
| 482 | |
| 483 | public boolean setRadio(int netType, boolean turnOn) { |
| 484 | enforceChangePermission(); |
| 485 | if (!ConnectivityManager.isNetworkTypeValid(netType)) { |
| 486 | return false; |
| 487 | } |
| 488 | NetworkStateTracker tracker = mNetTrackers[netType]; |
| 489 | return tracker != null && tracker.setRadio(turnOn); |
| 490 | } |
| 491 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 492 | /** |
| 493 | * Used to notice when the calling process dies so we can self-expire |
| 494 | * |
| 495 | * Also used to know if the process has cleaned up after itself when |
| 496 | * our auto-expire timer goes off. The timer has a link to an object. |
| 497 | * |
| 498 | */ |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 499 | private class FeatureUser implements IBinder.DeathRecipient { |
| 500 | int mNetworkType; |
| 501 | String mFeature; |
| 502 | IBinder mBinder; |
| 503 | int mPid; |
| 504 | int mUid; |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 505 | long mCreateTime; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 506 | |
| 507 | FeatureUser(int type, String feature, IBinder binder) { |
| 508 | super(); |
| 509 | mNetworkType = type; |
| 510 | mFeature = feature; |
| 511 | mBinder = binder; |
| 512 | mPid = getCallingPid(); |
| 513 | mUid = getCallingUid(); |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 514 | mCreateTime = System.currentTimeMillis(); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 515 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 516 | try { |
| 517 | mBinder.linkToDeath(this, 0); |
| 518 | } catch (RemoteException e) { |
| 519 | binderDied(); |
| 520 | } |
| 521 | } |
| 522 | |
| 523 | void unlinkDeathRecipient() { |
| 524 | mBinder.unlinkToDeath(this, 0); |
| 525 | } |
| 526 | |
| 527 | public void binderDied() { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 528 | Slog.d(TAG, "ConnectivityService FeatureUser binderDied(" + |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 529 | mNetworkType + ", " + mFeature + ", " + mBinder + "), created " + |
| 530 | (System.currentTimeMillis() - mCreateTime) + " mSec ago"); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 531 | stopUsingNetworkFeature(this, false); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 532 | } |
| 533 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 534 | public void expire() { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 535 | Slog.d(TAG, "ConnectivityService FeatureUser expire(" + |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 536 | mNetworkType + ", " + mFeature + ", " + mBinder +"), created " + |
| 537 | (System.currentTimeMillis() - mCreateTime) + " mSec ago"); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 538 | stopUsingNetworkFeature(this, false); |
| 539 | } |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 540 | |
| 541 | public String toString() { |
| 542 | return "FeatureUser("+mNetworkType+","+mFeature+","+mPid+","+mUid+"), created " + |
| 543 | (System.currentTimeMillis() - mCreateTime) + " mSec ago"; |
| 544 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 545 | } |
| 546 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 547 | // javadoc from interface |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 548 | public int startUsingNetworkFeature(int networkType, String feature, |
| 549 | IBinder binder) { |
| 550 | if (DBG) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 551 | Slog.d(TAG, "startUsingNetworkFeature for net " + networkType + |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 552 | ": " + feature); |
| 553 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 554 | enforceChangePermission(); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 555 | if (!ConnectivityManager.isNetworkTypeValid(networkType) || |
| 556 | mNetAttributes[networkType] == null) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 557 | return Phone.APN_REQUEST_FAILED; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 558 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 559 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 560 | FeatureUser f = new FeatureUser(networkType, feature, binder); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 561 | |
| 562 | // TODO - move this into the MobileDataStateTracker |
| 563 | int usedNetworkType = networkType; |
| 564 | if(networkType == ConnectivityManager.TYPE_MOBILE) { |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 565 | if (!getMobileDataEnabled()) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 566 | if (DBG) Slog.d(TAG, "requested special network with data disabled - rejected"); |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 567 | return Phone.APN_TYPE_NOT_AVAILABLE; |
| 568 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 569 | if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_MMS)) { |
| 570 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_MMS; |
| 571 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_SUPL)) { |
| 572 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_SUPL; |
| 573 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_DUN)) { |
| 574 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_DUN; |
| 575 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_HIPRI)) { |
| 576 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_HIPRI; |
| 577 | } |
| 578 | } |
| 579 | NetworkStateTracker network = mNetTrackers[usedNetworkType]; |
| 580 | if (network != null) { |
| 581 | if (usedNetworkType != networkType) { |
| 582 | Integer currentPid = new Integer(getCallingPid()); |
| 583 | |
| 584 | NetworkStateTracker radio = mNetTrackers[networkType]; |
| 585 | NetworkInfo ni = network.getNetworkInfo(); |
| 586 | |
| 587 | if (ni.isAvailable() == false) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 588 | if (DBG) Slog.d(TAG, "special network not available"); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 589 | return Phone.APN_TYPE_NOT_AVAILABLE; |
| 590 | } |
| 591 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 592 | synchronized(this) { |
| 593 | mFeatureUsers.add(f); |
| 594 | if (!mNetRequestersPids[usedNetworkType].contains(currentPid)) { |
| 595 | // this gets used for per-pid dns when connected |
| 596 | mNetRequestersPids[usedNetworkType].add(currentPid); |
| 597 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 598 | } |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 599 | mHandler.sendMessageDelayed(mHandler.obtainMessage( |
| 600 | NetworkStateTracker.EVENT_RESTORE_DEFAULT_NETWORK, |
| 601 | f), getRestoreDefaultNetworkDelay()); |
| 602 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 603 | |
Robert Greenwalt | a64bf83 | 2009-08-19 20:19:33 -0700 | [diff] [blame] | 604 | if ((ni.isConnectedOrConnecting() == true) && |
| 605 | !network.isTeardownRequested()) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 606 | if (ni.isConnected() == true) { |
| 607 | // add the pid-specific dns |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 608 | handleDnsConfigurationChange(networkType); |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 609 | if (DBG) Slog.d(TAG, "special network already active"); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 610 | return Phone.APN_ALREADY_ACTIVE; |
| 611 | } |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 612 | if (DBG) Slog.d(TAG, "special network already connecting"); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 613 | return Phone.APN_REQUEST_STARTED; |
| 614 | } |
| 615 | |
| 616 | // check if the radio in play can make another contact |
| 617 | // assume if cannot for now |
| 618 | |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 619 | if (DBG) Slog.d(TAG, "reconnecting to special network"); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 620 | network.reconnect(); |
| 621 | return Phone.APN_REQUEST_STARTED; |
| 622 | } else { |
Robert Greenwalt | 02648a4 | 2010-05-18 10:52:51 -0700 | [diff] [blame] | 623 | return -1; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 624 | } |
| 625 | } |
| 626 | return Phone.APN_TYPE_NOT_AVAILABLE; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 627 | } |
| 628 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 629 | // javadoc from interface |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 630 | public int stopUsingNetworkFeature(int networkType, String feature) { |
Robert Greenwalt | b8f1634 | 2009-10-06 17:52:40 -0700 | [diff] [blame] | 631 | enforceChangePermission(); |
| 632 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 633 | int pid = getCallingPid(); |
| 634 | int uid = getCallingUid(); |
| 635 | |
| 636 | FeatureUser u = null; |
| 637 | boolean found = false; |
| 638 | |
| 639 | synchronized(this) { |
| 640 | for (int i = 0; i < mFeatureUsers.size() ; i++) { |
| 641 | u = (FeatureUser)mFeatureUsers.get(i); |
| 642 | if (uid == u.mUid && pid == u.mPid && |
| 643 | networkType == u.mNetworkType && |
| 644 | TextUtils.equals(feature, u.mFeature)) { |
| 645 | found = true; |
| 646 | break; |
| 647 | } |
| 648 | } |
| 649 | } |
| 650 | if (found && u != null) { |
| 651 | // stop regardless of how many other time this proc had called start |
| 652 | return stopUsingNetworkFeature(u, true); |
| 653 | } else { |
| 654 | // none found! |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 655 | if (DBG) Slog.d(TAG, "ignoring stopUsingNetworkFeature - not a live request"); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 656 | return 1; |
| 657 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 658 | } |
| 659 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 660 | private int stopUsingNetworkFeature(FeatureUser u, boolean ignoreDups) { |
| 661 | int networkType = u.mNetworkType; |
| 662 | String feature = u.mFeature; |
| 663 | int pid = u.mPid; |
| 664 | int uid = u.mUid; |
| 665 | |
| 666 | NetworkStateTracker tracker = null; |
| 667 | boolean callTeardown = false; // used to carry our decision outside of sync block |
| 668 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 669 | if (DBG) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 670 | Slog.d(TAG, "stopUsingNetworkFeature for net " + networkType + |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 671 | ": " + feature); |
| 672 | } |
Robert Greenwalt | b8f1634 | 2009-10-06 17:52:40 -0700 | [diff] [blame] | 673 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 674 | if (!ConnectivityManager.isNetworkTypeValid(networkType)) { |
| 675 | return -1; |
| 676 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 677 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 678 | // need to link the mFeatureUsers list with the mNetRequestersPids state in this |
| 679 | // sync block |
| 680 | synchronized(this) { |
| 681 | // check if this process still has an outstanding start request |
| 682 | if (!mFeatureUsers.contains(u)) { |
Robert Greenwalt | 78a640a | 2010-03-10 16:10:43 -0800 | [diff] [blame] | 683 | if (DBG) Slog.d(TAG, "ignoring - this process has no outstanding requests"); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 684 | return 1; |
| 685 | } |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 686 | u.unlinkDeathRecipient(); |
| 687 | mFeatureUsers.remove(mFeatureUsers.indexOf(u)); |
| 688 | // If we care about duplicate requests, check for that here. |
| 689 | // |
| 690 | // This is done to support the extension of a request - the app |
| 691 | // can request we start the network feature again and renew the |
| 692 | // auto-shutoff delay. Normal "stop" calls from the app though |
| 693 | // do not pay attention to duplicate requests - in effect the |
| 694 | // API does not refcount and a single stop will counter multiple starts. |
| 695 | if (ignoreDups == false) { |
| 696 | for (int i = 0; i < mFeatureUsers.size() ; i++) { |
| 697 | FeatureUser x = (FeatureUser)mFeatureUsers.get(i); |
| 698 | if (x.mUid == u.mUid && x.mPid == u.mPid && |
| 699 | x.mNetworkType == u.mNetworkType && |
| 700 | TextUtils.equals(x.mFeature, u.mFeature)) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 701 | if (DBG) Slog.d(TAG, "ignoring stopUsingNetworkFeature as dup is found"); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 702 | return 1; |
| 703 | } |
| 704 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 705 | } |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 706 | |
| 707 | // TODO - move to MobileDataStateTracker |
| 708 | int usedNetworkType = networkType; |
| 709 | if (networkType == ConnectivityManager.TYPE_MOBILE) { |
| 710 | if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_MMS)) { |
| 711 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_MMS; |
| 712 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_SUPL)) { |
| 713 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_SUPL; |
| 714 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_DUN)) { |
| 715 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_DUN; |
| 716 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_HIPRI)) { |
| 717 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_HIPRI; |
| 718 | } |
| 719 | } |
| 720 | tracker = mNetTrackers[usedNetworkType]; |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 721 | if (tracker == null) { |
Robert Greenwalt | 78a640a | 2010-03-10 16:10:43 -0800 | [diff] [blame] | 722 | 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] | 723 | return -1; |
| 724 | } |
| 725 | if (usedNetworkType != networkType) { |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 726 | Integer currentPid = new Integer(pid); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 727 | mNetRequestersPids[usedNetworkType].remove(currentPid); |
Robert Greenwalt | 421c72b | 2009-12-17 14:54:59 -0800 | [diff] [blame] | 728 | reassessPidDns(pid, true); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 729 | if (mNetRequestersPids[usedNetworkType].size() != 0) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 730 | if (DBG) Slog.d(TAG, "not tearing down special network - " + |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 731 | "others still using it"); |
| 732 | return 1; |
| 733 | } |
| 734 | callTeardown = true; |
| 735 | } |
| 736 | } |
Robert Greenwalt | 78a640a | 2010-03-10 16:10:43 -0800 | [diff] [blame] | 737 | if (DBG) Slog.d(TAG, "Doing network teardown"); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 738 | if (callTeardown) { |
| 739 | tracker.teardown(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 740 | return 1; |
| 741 | } else { |
Robert Greenwalt | 02648a4 | 2010-05-18 10:52:51 -0700 | [diff] [blame] | 742 | return -1; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 743 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 744 | } |
| 745 | |
| 746 | /** |
| 747 | * Ensure that a network route exists to deliver traffic to the specified |
| 748 | * host via the specified network interface. |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 749 | * @param networkType the type of the network over which traffic to the |
| 750 | * specified host is to be routed |
| 751 | * @param hostAddress the IP address of the host to which the route is |
| 752 | * desired |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 753 | * todo - deprecate (only v4!) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 754 | * @return {@code true} on success, {@code false} on failure |
| 755 | */ |
| 756 | public boolean requestRouteToHost(int networkType, int hostAddress) { |
| 757 | enforceChangePermission(); |
| 758 | if (!ConnectivityManager.isNetworkTypeValid(networkType)) { |
| 759 | return false; |
| 760 | } |
| 761 | NetworkStateTracker tracker = mNetTrackers[networkType]; |
Robert Greenwalt | 8206ff3 | 2009-09-10 15:06:20 -0700 | [diff] [blame] | 762 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 763 | if (tracker == null || !tracker.getNetworkInfo().isConnected() || |
| 764 | tracker.isTeardownRequested()) { |
Robert Greenwalt | 8206ff3 | 2009-09-10 15:06:20 -0700 | [diff] [blame] | 765 | if (DBG) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 766 | Slog.d(TAG, "requestRouteToHost on down network (" + networkType + ") - dropped"); |
Robert Greenwalt | 8206ff3 | 2009-09-10 15:06:20 -0700 | [diff] [blame] | 767 | } |
| 768 | return false; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 769 | } |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 770 | try { |
| 771 | InetAddress addr = InetAddress.getByAddress(NetworkUtils.v4IntToArray(hostAddress)); |
| 772 | return addHostRoute(tracker, addr); |
| 773 | } catch (UnknownHostException e) {} |
| 774 | return false; |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 775 | } |
| 776 | |
| 777 | /** |
| 778 | * Ensure that a network route exists to deliver traffic to the specified |
| 779 | * host via the mobile data network. |
| 780 | * @param hostAddress the IP address of the host to which the route is desired, |
| 781 | * in network byte order. |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 782 | * TODO - deprecate |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 783 | * @return {@code true} on success, {@code false} on failure |
| 784 | */ |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 785 | private boolean addHostRoute(NetworkStateTracker nt, InetAddress hostAddress) { |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 786 | if (nt.getNetworkInfo().getType() == ConnectivityManager.TYPE_WIFI) { |
| 787 | return false; |
| 788 | } |
| 789 | |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 790 | NetworkProperties p = nt.getNetworkProperties(); |
| 791 | if (p == null) return false; |
| 792 | String interfaceName = p.getInterfaceName(); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 793 | |
| 794 | if (DBG) { |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 795 | Slog.d(TAG, "Requested host route to " + hostAddress + "(" + interfaceName + ")"); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 796 | } |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 797 | if (interfaceName != null) { |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 798 | return NetworkUtils.addHostRoute(interfaceName, hostAddress) == 0; |
| 799 | } else { |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 800 | if (DBG) Slog.e(TAG, "addHostRoute failed due to null interface name"); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 801 | return false; |
| 802 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 803 | } |
| 804 | |
| 805 | /** |
| 806 | * @see ConnectivityManager#getBackgroundDataSetting() |
| 807 | */ |
| 808 | public boolean getBackgroundDataSetting() { |
| 809 | return Settings.Secure.getInt(mContext.getContentResolver(), |
| 810 | Settings.Secure.BACKGROUND_DATA, 1) == 1; |
| 811 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 812 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 813 | /** |
| 814 | * @see ConnectivityManager#setBackgroundDataSetting(boolean) |
| 815 | */ |
| 816 | public void setBackgroundDataSetting(boolean allowBackgroundDataUsage) { |
| 817 | mContext.enforceCallingOrSelfPermission( |
| 818 | android.Manifest.permission.CHANGE_BACKGROUND_DATA_SETTING, |
| 819 | "ConnectivityService"); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 820 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 821 | if (getBackgroundDataSetting() == allowBackgroundDataUsage) return; |
| 822 | |
| 823 | Settings.Secure.putInt(mContext.getContentResolver(), |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 824 | Settings.Secure.BACKGROUND_DATA, |
| 825 | allowBackgroundDataUsage ? 1 : 0); |
| 826 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 827 | Intent broadcast = new Intent( |
| 828 | ConnectivityManager.ACTION_BACKGROUND_DATA_SETTING_CHANGED); |
| 829 | mContext.sendBroadcast(broadcast); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 830 | } |
| 831 | |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 832 | /** |
| 833 | * @see ConnectivityManager#getMobileDataEnabled() |
| 834 | */ |
| 835 | public boolean getMobileDataEnabled() { |
| 836 | enforceAccessPermission(); |
| 837 | boolean retVal = Settings.Secure.getInt(mContext.getContentResolver(), |
| 838 | Settings.Secure.MOBILE_DATA, 1) == 1; |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 839 | if (DBG) Slog.d(TAG, "getMobileDataEnabled returning " + retVal); |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 840 | return retVal; |
| 841 | } |
| 842 | |
| 843 | /** |
| 844 | * @see ConnectivityManager#setMobileDataEnabled(boolean) |
| 845 | */ |
| 846 | public synchronized void setMobileDataEnabled(boolean enabled) { |
| 847 | enforceChangePermission(); |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 848 | if (DBG) Slog.d(TAG, "setMobileDataEnabled(" + enabled + ")"); |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 849 | |
| 850 | if (getMobileDataEnabled() == enabled) return; |
| 851 | |
| 852 | Settings.Secure.putInt(mContext.getContentResolver(), |
| 853 | Settings.Secure.MOBILE_DATA, enabled ? 1 : 0); |
| 854 | |
| 855 | if (enabled) { |
| 856 | if (mNetTrackers[ConnectivityManager.TYPE_MOBILE] != null) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 857 | if (DBG) Slog.d(TAG, "starting up " + mNetTrackers[ConnectivityManager.TYPE_MOBILE]); |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 858 | mNetTrackers[ConnectivityManager.TYPE_MOBILE].reconnect(); |
| 859 | } |
| 860 | } else { |
| 861 | for (NetworkStateTracker nt : mNetTrackers) { |
| 862 | if (nt == null) continue; |
| 863 | int netType = nt.getNetworkInfo().getType(); |
| 864 | if (mNetAttributes[netType].mRadio == ConnectivityManager.TYPE_MOBILE) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 865 | if (DBG) Slog.d(TAG, "tearing down " + nt); |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 866 | nt.teardown(); |
| 867 | } |
| 868 | } |
| 869 | } |
| 870 | } |
| 871 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 872 | private int getNumConnectedNetworks() { |
| 873 | int numConnectedNets = 0; |
| 874 | |
| 875 | for (NetworkStateTracker nt : mNetTrackers) { |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 876 | if (nt != null && nt.getNetworkInfo().isConnected() && |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 877 | !nt.isTeardownRequested()) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 878 | ++numConnectedNets; |
| 879 | } |
| 880 | } |
| 881 | return numConnectedNets; |
| 882 | } |
| 883 | |
| 884 | private void enforceAccessPermission() { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 885 | mContext.enforceCallingOrSelfPermission( |
| 886 | android.Manifest.permission.ACCESS_NETWORK_STATE, |
| 887 | "ConnectivityService"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 888 | } |
| 889 | |
| 890 | private void enforceChangePermission() { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 891 | mContext.enforceCallingOrSelfPermission( |
| 892 | android.Manifest.permission.CHANGE_NETWORK_STATE, |
| 893 | "ConnectivityService"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 894 | } |
| 895 | |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 896 | // TODO Make this a special check when it goes public |
| 897 | private void enforceTetherChangePermission() { |
| 898 | mContext.enforceCallingOrSelfPermission( |
| 899 | android.Manifest.permission.CHANGE_NETWORK_STATE, |
| 900 | "ConnectivityService"); |
| 901 | } |
| 902 | |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 903 | private void enforceTetherAccessPermission() { |
| 904 | mContext.enforceCallingOrSelfPermission( |
| 905 | android.Manifest.permission.ACCESS_NETWORK_STATE, |
| 906 | "ConnectivityService"); |
| 907 | } |
| 908 | |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 909 | private void enforceConnectivityInternalPermission() { |
| 910 | mContext.enforceCallingOrSelfPermission( |
| 911 | android.Manifest.permission.CONNECTIVITY_INTERNAL, |
| 912 | "ConnectivityService"); |
| 913 | } |
| 914 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 915 | /** |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 916 | * Handle a {@code DISCONNECTED} event. If this pertains to the non-active |
| 917 | * network, we ignore it. If it is for the active network, we send out a |
| 918 | * broadcast. But first, we check whether it might be possible to connect |
| 919 | * to a different network. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 920 | * @param info the {@code NetworkInfo} for the network |
| 921 | */ |
| 922 | private void handleDisconnect(NetworkInfo info) { |
| 923 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 924 | int prevNetType = info.getType(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 925 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 926 | mNetTrackers[prevNetType].setTeardownRequested(false); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 927 | /* |
| 928 | * If the disconnected network is not the active one, then don't report |
| 929 | * this as a loss of connectivity. What probably happened is that we're |
| 930 | * getting the disconnect for a network that we explicitly disabled |
| 931 | * in accordance with network preference policies. |
| 932 | */ |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 933 | if (!mNetAttributes[prevNetType].isDefault()) { |
| 934 | List pids = mNetRequestersPids[prevNetType]; |
| 935 | for (int i = 0; i<pids.size(); i++) { |
| 936 | Integer pid = (Integer)pids.get(i); |
| 937 | // will remove them because the net's no longer connected |
| 938 | // need to do this now as only now do we know the pids and |
| 939 | // can properly null things that are no longer referenced. |
| 940 | reassessPidDns(pid.intValue(), false); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 941 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 942 | } |
| 943 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 944 | Intent intent = new Intent(ConnectivityManager.CONNECTIVITY_ACTION); |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 945 | intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 946 | intent.putExtra(ConnectivityManager.EXTRA_NETWORK_INFO, info); |
| 947 | if (info.isFailover()) { |
| 948 | intent.putExtra(ConnectivityManager.EXTRA_IS_FAILOVER, true); |
| 949 | info.setFailover(false); |
| 950 | } |
| 951 | if (info.getReason() != null) { |
| 952 | intent.putExtra(ConnectivityManager.EXTRA_REASON, info.getReason()); |
| 953 | } |
| 954 | if (info.getExtraInfo() != null) { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 955 | intent.putExtra(ConnectivityManager.EXTRA_EXTRA_INFO, |
| 956 | info.getExtraInfo()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 957 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 958 | |
Robert Greenwalt | cc4b401 | 2010-01-25 17:54:29 -0800 | [diff] [blame] | 959 | NetworkStateTracker newNet = null; |
| 960 | if (mNetAttributes[prevNetType].isDefault()) { |
| 961 | newNet = tryFailover(prevNetType); |
| 962 | if (newNet != null) { |
| 963 | NetworkInfo switchTo = newNet.getNetworkInfo(); |
| 964 | intent.putExtra(ConnectivityManager.EXTRA_OTHER_NETWORK_INFO, switchTo); |
| 965 | } else { |
| 966 | intent.putExtra(ConnectivityManager.EXTRA_NO_CONNECTIVITY, true); |
| 967 | } |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 968 | } |
| 969 | // do this before we broadcast the change |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 970 | handleConnectivityChange(prevNetType); |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 971 | |
| 972 | sendStickyBroadcast(intent); |
| 973 | /* |
| 974 | * If the failover network is already connected, then immediately send |
| 975 | * out a followup broadcast indicating successful failover |
| 976 | */ |
| 977 | if (newNet != null && newNet.getNetworkInfo().isConnected()) { |
| 978 | sendConnectedBroadcast(newNet.getNetworkInfo()); |
| 979 | } |
| 980 | } |
| 981 | |
Robert Greenwalt | cc4b401 | 2010-01-25 17:54:29 -0800 | [diff] [blame] | 982 | // returns null if no failover available |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 983 | private NetworkStateTracker tryFailover(int prevNetType) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 984 | /* |
| 985 | * If this is a default network, check if other defaults are available |
| 986 | * or active |
| 987 | */ |
| 988 | NetworkStateTracker newNet = null; |
| 989 | if (mNetAttributes[prevNetType].isDefault()) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 990 | if (mActiveDefaultNetwork == prevNetType) { |
| 991 | mActiveDefaultNetwork = -1; |
| 992 | } |
| 993 | |
| 994 | int newType = -1; |
| 995 | int newPriority = -1; |
Robert Greenwalt | 3542959 | 2010-02-25 12:04:29 -0800 | [diff] [blame] | 996 | boolean noMobileData = !getMobileDataEnabled(); |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 997 | for (int checkType=0; checkType <= ConnectivityManager.MAX_NETWORK_TYPE; checkType++) { |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 998 | if (checkType == prevNetType) continue; |
| 999 | if (mNetAttributes[checkType] == null) continue; |
Robert Greenwalt | 3542959 | 2010-02-25 12:04:29 -0800 | [diff] [blame] | 1000 | if (mNetAttributes[checkType].mRadio == ConnectivityManager.TYPE_MOBILE && |
| 1001 | noMobileData) { |
| 1002 | if (DBG) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1003 | Slog.d(TAG, "not failing over to mobile type " + checkType + |
Robert Greenwalt | 3542959 | 2010-02-25 12:04:29 -0800 | [diff] [blame] | 1004 | " because Mobile Data Disabled"); |
| 1005 | } |
| 1006 | continue; |
| 1007 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1008 | if (mNetAttributes[checkType].isDefault()) { |
| 1009 | /* TODO - if we have multiple nets we could use |
| 1010 | * we may want to put more thought into which we choose |
| 1011 | */ |
| 1012 | if (checkType == mNetworkPreference) { |
| 1013 | newType = checkType; |
| 1014 | break; |
| 1015 | } |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 1016 | if (mNetAttributes[checkType].mPriority > newPriority) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1017 | newType = checkType; |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 1018 | newPriority = mNetAttributes[newType].mPriority; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1019 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1020 | } |
| 1021 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1022 | |
| 1023 | if (newType != -1) { |
| 1024 | newNet = mNetTrackers[newType]; |
| 1025 | /** |
| 1026 | * See if the other network is available to fail over to. |
| 1027 | * If is not available, we enable it anyway, so that it |
| 1028 | * will be able to connect when it does become available, |
| 1029 | * but we report a total loss of connectivity rather than |
| 1030 | * report that we are attempting to fail over. |
| 1031 | */ |
| 1032 | if (newNet.isAvailable()) { |
| 1033 | NetworkInfo switchTo = newNet.getNetworkInfo(); |
| 1034 | switchTo.setFailover(true); |
Robert Greenwalt | a64bf83 | 2009-08-19 20:19:33 -0700 | [diff] [blame] | 1035 | if (!switchTo.isConnectedOrConnecting() || |
| 1036 | newNet.isTeardownRequested()) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1037 | newNet.reconnect(); |
| 1038 | } |
| 1039 | if (DBG) { |
| 1040 | if (switchTo.isConnected()) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1041 | Slog.v(TAG, "Switching to already connected " + |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1042 | switchTo.getTypeName()); |
| 1043 | } else { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1044 | Slog.v(TAG, "Attempting to switch to " + |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1045 | switchTo.getTypeName()); |
| 1046 | } |
| 1047 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1048 | } else { |
| 1049 | newNet.reconnect(); |
Robert Greenwalt | f0fa39e | 2010-03-09 14:55:08 -0800 | [diff] [blame] | 1050 | newNet = null; // not officially avail.. try anyway, but |
| 1051 | // report no failover |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1052 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1053 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1054 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1055 | |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 1056 | return newNet; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1057 | } |
| 1058 | |
| 1059 | private void sendConnectedBroadcast(NetworkInfo info) { |
| 1060 | Intent intent = new Intent(ConnectivityManager.CONNECTIVITY_ACTION); |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 1061 | intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1062 | intent.putExtra(ConnectivityManager.EXTRA_NETWORK_INFO, info); |
| 1063 | if (info.isFailover()) { |
| 1064 | intent.putExtra(ConnectivityManager.EXTRA_IS_FAILOVER, true); |
| 1065 | info.setFailover(false); |
| 1066 | } |
| 1067 | if (info.getReason() != null) { |
| 1068 | intent.putExtra(ConnectivityManager.EXTRA_REASON, info.getReason()); |
| 1069 | } |
| 1070 | if (info.getExtraInfo() != null) { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1071 | intent.putExtra(ConnectivityManager.EXTRA_EXTRA_INFO, |
| 1072 | info.getExtraInfo()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1073 | } |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1074 | sendStickyBroadcast(intent); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1075 | } |
| 1076 | |
| 1077 | /** |
| 1078 | * Called when an attempt to fail over to another network has failed. |
| 1079 | * @param info the {@link NetworkInfo} for the failed network |
| 1080 | */ |
| 1081 | private void handleConnectionFailure(NetworkInfo info) { |
| 1082 | mNetTrackers[info.getType()].setTeardownRequested(false); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1083 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1084 | String reason = info.getReason(); |
| 1085 | String extraInfo = info.getExtraInfo(); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1086 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1087 | if (DBG) { |
| 1088 | String reasonText; |
| 1089 | if (reason == null) { |
| 1090 | reasonText = "."; |
| 1091 | } else { |
| 1092 | reasonText = " (" + reason + ")."; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1093 | } |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1094 | Slog.v(TAG, "Attempt to connect to " + info.getTypeName() + |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1095 | " failed" + reasonText); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1096 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1097 | |
| 1098 | Intent intent = new Intent(ConnectivityManager.CONNECTIVITY_ACTION); |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 1099 | intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1100 | intent.putExtra(ConnectivityManager.EXTRA_NETWORK_INFO, info); |
| 1101 | if (getActiveNetworkInfo() == null) { |
| 1102 | intent.putExtra(ConnectivityManager.EXTRA_NO_CONNECTIVITY, true); |
| 1103 | } |
| 1104 | if (reason != null) { |
| 1105 | intent.putExtra(ConnectivityManager.EXTRA_REASON, reason); |
| 1106 | } |
| 1107 | if (extraInfo != null) { |
| 1108 | intent.putExtra(ConnectivityManager.EXTRA_EXTRA_INFO, extraInfo); |
| 1109 | } |
| 1110 | if (info.isFailover()) { |
| 1111 | intent.putExtra(ConnectivityManager.EXTRA_IS_FAILOVER, true); |
| 1112 | info.setFailover(false); |
| 1113 | } |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 1114 | |
Robert Greenwalt | cc4b401 | 2010-01-25 17:54:29 -0800 | [diff] [blame] | 1115 | NetworkStateTracker newNet = null; |
| 1116 | if (mNetAttributes[info.getType()].isDefault()) { |
| 1117 | newNet = tryFailover(info.getType()); |
| 1118 | if (newNet != null) { |
| 1119 | NetworkInfo switchTo = newNet.getNetworkInfo(); |
| 1120 | intent.putExtra(ConnectivityManager.EXTRA_OTHER_NETWORK_INFO, switchTo); |
| 1121 | } else { |
| 1122 | intent.putExtra(ConnectivityManager.EXTRA_NO_CONNECTIVITY, true); |
| 1123 | } |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 1124 | } |
Robert Greenwalt | cc4b401 | 2010-01-25 17:54:29 -0800 | [diff] [blame] | 1125 | |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1126 | sendStickyBroadcast(intent); |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 1127 | /* |
| 1128 | * If the failover network is already connected, then immediately send |
| 1129 | * out a followup broadcast indicating successful failover |
| 1130 | */ |
| 1131 | if (newNet != null && newNet.getNetworkInfo().isConnected()) { |
| 1132 | sendConnectedBroadcast(newNet.getNetworkInfo()); |
| 1133 | } |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1134 | } |
| 1135 | |
| 1136 | private void sendStickyBroadcast(Intent intent) { |
| 1137 | synchronized(this) { |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 1138 | if (!mSystemReady) { |
| 1139 | mInitialBroadcast = new Intent(intent); |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1140 | } |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 1141 | intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); |
| 1142 | mContext.sendStickyBroadcast(intent); |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1143 | } |
| 1144 | } |
| 1145 | |
| 1146 | void systemReady() { |
| 1147 | synchronized(this) { |
| 1148 | mSystemReady = true; |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 1149 | if (mInitialBroadcast != null) { |
| 1150 | mContext.sendStickyBroadcast(mInitialBroadcast); |
| 1151 | mInitialBroadcast = null; |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1152 | } |
| 1153 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1154 | } |
| 1155 | |
| 1156 | private void handleConnect(NetworkInfo info) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1157 | int type = info.getType(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1158 | |
| 1159 | // snapshot isFailover, because sendConnectedBroadcast() resets it |
| 1160 | boolean isFailover = info.isFailover(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1161 | NetworkStateTracker thisNet = mNetTrackers[type]; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1162 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1163 | // if this is a default net and other default is running |
| 1164 | // kill the one not preferred |
| 1165 | if (mNetAttributes[type].isDefault()) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1166 | if (mActiveDefaultNetwork != -1 && mActiveDefaultNetwork != type) { |
| 1167 | if ((type != mNetworkPreference && |
| 1168 | mNetAttributes[mActiveDefaultNetwork].mPriority > |
| 1169 | mNetAttributes[type].mPriority) || |
| 1170 | mNetworkPreference == mActiveDefaultNetwork) { |
| 1171 | // don't accept this one |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1172 | if (DBG) Slog.v(TAG, "Not broadcasting CONNECT_ACTION " + |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1173 | "to torn down network " + info.getTypeName()); |
| 1174 | teardown(thisNet); |
| 1175 | return; |
| 1176 | } else { |
| 1177 | // tear down the other |
| 1178 | NetworkStateTracker otherNet = |
| 1179 | mNetTrackers[mActiveDefaultNetwork]; |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1180 | if (DBG) Slog.v(TAG, "Policy requires " + |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1181 | otherNet.getNetworkInfo().getTypeName() + |
| 1182 | " teardown"); |
| 1183 | if (!teardown(otherNet)) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1184 | Slog.e(TAG, "Network declined teardown request"); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1185 | return; |
| 1186 | } |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 1187 | } |
| 1188 | } |
| 1189 | synchronized (ConnectivityService.this) { |
| 1190 | // have a new default network, release the transition wakelock in a second |
| 1191 | // if it's held. The second pause is to allow apps to reconnect over the |
| 1192 | // new network |
| 1193 | if (mNetTransitionWakeLock.isHeld()) { |
| 1194 | mHandler.sendMessageDelayed(mHandler.obtainMessage( |
| 1195 | NetworkStateTracker.EVENT_CLEAR_NET_TRANSITION_WAKELOCK, |
| 1196 | mNetTransitionWakeLockSerialNumber, 0), |
| 1197 | 1000); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1198 | } |
| 1199 | } |
| 1200 | mActiveDefaultNetwork = type; |
| 1201 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1202 | thisNet.setTeardownRequested(false); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1203 | updateNetworkSettings(thisNet); |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 1204 | handleConnectivityChange(type); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1205 | sendConnectedBroadcast(info); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1206 | } |
| 1207 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1208 | /** |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 1209 | * After a change in the connectivity state of a network. We're mainly |
| 1210 | * concerned with making sure that the list of DNS servers is set up |
| 1211 | * according to which networks are connected, and ensuring that the |
| 1212 | * right routing table entries exist. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1213 | */ |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 1214 | private void handleConnectivityChange(int netType) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1215 | /* |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1216 | * If a non-default network is enabled, add the host routes that |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 1217 | * will allow it's DNS servers to be accessed. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1218 | */ |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 1219 | handleDnsConfigurationChange(netType); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1220 | |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 1221 | if (mNetTrackers[netType].getNetworkInfo().isConnected()) { |
| 1222 | if (mNetAttributes[netType].isDefault()) { |
| 1223 | addDefaultRoute(mNetTrackers[netType]); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1224 | } else { |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 1225 | addPrivateDnsRoutes(mNetTrackers[netType]); |
| 1226 | } |
| 1227 | } else { |
| 1228 | if (mNetAttributes[netType].isDefault()) { |
| 1229 | removeDefaultRoute(mNetTrackers[netType]); |
| 1230 | } else { |
| 1231 | removePrivateDnsRoutes(mNetTrackers[netType]); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1232 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1233 | } |
| 1234 | } |
| 1235 | |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1236 | private void addPrivateDnsRoutes(NetworkStateTracker nt) { |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1237 | boolean privateDnsRouteSet = nt.isPrivateDnsRouteSet(); |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1238 | NetworkProperties p = nt.getNetworkProperties(); |
| 1239 | if (p == null) return; |
| 1240 | String interfaceName = p.getInterfaceName(); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1241 | |
| 1242 | if (DBG) { |
| 1243 | Slog.d(TAG, "addPrivateDnsRoutes for " + nt + |
| 1244 | "(" + interfaceName + ") - mPrivateDnsRouteSet = " + privateDnsRouteSet); |
| 1245 | } |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1246 | if (interfaceName != null && !privateDnsRouteSet) { |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1247 | Collection<InetAddress> dnsList = p.getDnses(); |
| 1248 | for (InetAddress dns : dnsList) { |
| 1249 | if (DBG) Slog.d(TAG, " adding " + dns); |
| 1250 | NetworkUtils.addHostRoute(interfaceName, dns); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1251 | } |
| 1252 | nt.privateDnsRouteSet(true); |
| 1253 | } |
| 1254 | } |
| 1255 | |
| 1256 | private void removePrivateDnsRoutes(NetworkStateTracker nt) { |
| 1257 | // TODO - we should do this explicitly but the NetUtils api doesnt |
| 1258 | // support this yet - must remove all. No worse than before |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1259 | NetworkProperties p = nt.getNetworkProperties(); |
| 1260 | if (p == null) return; |
| 1261 | String interfaceName = p.getInterfaceName(); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1262 | boolean privateDnsRouteSet = nt.isPrivateDnsRouteSet(); |
| 1263 | if (interfaceName != null && privateDnsRouteSet) { |
| 1264 | if (DBG) { |
| 1265 | Slog.d(TAG, "removePrivateDnsRoutes for " + nt.getNetworkInfo().getTypeName() + |
| 1266 | " (" + interfaceName + ")"); |
| 1267 | } |
| 1268 | NetworkUtils.removeHostRoutes(interfaceName); |
| 1269 | nt.privateDnsRouteSet(false); |
| 1270 | } |
| 1271 | } |
| 1272 | |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1273 | |
| 1274 | private void addDefaultRoute(NetworkStateTracker nt) { |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1275 | NetworkProperties p = nt.getNetworkProperties(); |
| 1276 | if (p == null) return; |
| 1277 | String interfaceName = p.getInterfaceName(); |
| 1278 | InetAddress defaultGatewayAddr = p.getGateway(); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1279 | |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 1280 | if ((interfaceName != null) && (defaultGatewayAddr != null )) { |
| 1281 | if ((NetworkUtils.setDefaultRoute(interfaceName, defaultGatewayAddr) >= 0) && DBG) { |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1282 | NetworkInfo networkInfo = nt.getNetworkInfo(); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1283 | Slog.d(TAG, "addDefaultRoute for " + networkInfo.getTypeName() + |
| 1284 | " (" + interfaceName + "), GatewayAddr=" + defaultGatewayAddr); |
| 1285 | } |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1286 | } |
| 1287 | } |
| 1288 | |
| 1289 | |
| 1290 | public void removeDefaultRoute(NetworkStateTracker nt) { |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1291 | NetworkProperties p = nt.getNetworkProperties(); |
| 1292 | if (p == null) return; |
| 1293 | String interfaceName = p.getInterfaceName(); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1294 | |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 1295 | if (interfaceName != null) { |
| 1296 | if ((NetworkUtils.removeDefaultRoute(interfaceName) >= 0) && DBG) { |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1297 | NetworkInfo networkInfo = nt.getNetworkInfo(); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1298 | Slog.d(TAG, "removeDefaultRoute for " + networkInfo.getTypeName() + " (" + |
| 1299 | interfaceName + ")"); |
| 1300 | } |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1301 | } |
| 1302 | } |
| 1303 | |
| 1304 | /** |
| 1305 | * Reads the network specific TCP buffer sizes from SystemProperties |
| 1306 | * net.tcp.buffersize.[default|wifi|umts|edge|gprs] and set them for system |
| 1307 | * wide use |
| 1308 | */ |
| 1309 | public void updateNetworkSettings(NetworkStateTracker nt) { |
| 1310 | String key = nt.getTcpBufferSizesPropName(); |
| 1311 | String bufferSizes = SystemProperties.get(key); |
| 1312 | |
| 1313 | if (bufferSizes.length() == 0) { |
| 1314 | Slog.e(TAG, key + " not found in system properties. Using defaults"); |
| 1315 | |
| 1316 | // Setting to default values so we won't be stuck to previous values |
| 1317 | key = "net.tcp.buffersize.default"; |
| 1318 | bufferSizes = SystemProperties.get(key); |
| 1319 | } |
| 1320 | |
| 1321 | // Set values in kernel |
| 1322 | if (bufferSizes.length() != 0) { |
| 1323 | if (DBG) { |
| 1324 | Slog.v(TAG, "Setting TCP values: [" + bufferSizes |
| 1325 | + "] which comes from [" + key + "]"); |
| 1326 | } |
| 1327 | setBufferSize(bufferSizes); |
| 1328 | } |
| 1329 | } |
| 1330 | |
| 1331 | /** |
| 1332 | * Writes TCP buffer sizes to /sys/kernel/ipv4/tcp_[r/w]mem_[min/def/max] |
| 1333 | * which maps to /proc/sys/net/ipv4/tcp_rmem and tcpwmem |
| 1334 | * |
| 1335 | * @param bufferSizes in the format of "readMin, readInitial, readMax, |
| 1336 | * writeMin, writeInitial, writeMax" |
| 1337 | */ |
| 1338 | private void setBufferSize(String bufferSizes) { |
| 1339 | try { |
| 1340 | String[] values = bufferSizes.split(","); |
| 1341 | |
| 1342 | if (values.length == 6) { |
| 1343 | final String prefix = "/sys/kernel/ipv4/tcp_"; |
| 1344 | stringToFile(prefix + "rmem_min", values[0]); |
| 1345 | stringToFile(prefix + "rmem_def", values[1]); |
| 1346 | stringToFile(prefix + "rmem_max", values[2]); |
| 1347 | stringToFile(prefix + "wmem_min", values[3]); |
| 1348 | stringToFile(prefix + "wmem_def", values[4]); |
| 1349 | stringToFile(prefix + "wmem_max", values[5]); |
| 1350 | } else { |
| 1351 | Slog.e(TAG, "Invalid buffersize string: " + bufferSizes); |
| 1352 | } |
| 1353 | } catch (IOException e) { |
| 1354 | Slog.e(TAG, "Can't set tcp buffer sizes:" + e); |
| 1355 | } |
| 1356 | } |
| 1357 | |
| 1358 | /** |
| 1359 | * Writes string to file. Basically same as "echo -n $string > $filename" |
| 1360 | * |
| 1361 | * @param filename |
| 1362 | * @param string |
| 1363 | * @throws IOException |
| 1364 | */ |
| 1365 | private void stringToFile(String filename, String string) throws IOException { |
| 1366 | FileWriter out = new FileWriter(filename); |
| 1367 | try { |
| 1368 | out.write(string); |
| 1369 | } finally { |
| 1370 | out.close(); |
| 1371 | } |
| 1372 | } |
| 1373 | |
| 1374 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1375 | /** |
| 1376 | * Adjust the per-process dns entries (net.dns<x>.<pid>) based |
| 1377 | * on the highest priority active net which this process requested. |
| 1378 | * If there aren't any, clear it out |
| 1379 | */ |
| 1380 | private void reassessPidDns(int myPid, boolean doBump) |
| 1381 | { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1382 | if (DBG) Slog.d(TAG, "reassessPidDns for pid " + myPid); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1383 | for(int i : mPriorityList) { |
| 1384 | if (mNetAttributes[i].isDefault()) { |
| 1385 | continue; |
| 1386 | } |
| 1387 | NetworkStateTracker nt = mNetTrackers[i]; |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1388 | if (nt.getNetworkInfo().isConnected() && |
| 1389 | !nt.isTeardownRequested()) { |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1390 | NetworkProperties p = nt.getNetworkProperties(); |
| 1391 | if (p == null) continue; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1392 | List pids = mNetRequestersPids[i]; |
| 1393 | for (int j=0; j<pids.size(); j++) { |
| 1394 | Integer pid = (Integer)pids.get(j); |
| 1395 | if (pid.intValue() == myPid) { |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1396 | Collection<InetAddress> dnses = p.getDnses(); |
| 1397 | writePidDns(dnses, myPid); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1398 | if (doBump) { |
| 1399 | bumpDns(); |
| 1400 | } |
| 1401 | return; |
| 1402 | } |
| 1403 | } |
| 1404 | } |
| 1405 | } |
| 1406 | // nothing found - delete |
| 1407 | for (int i = 1; ; i++) { |
| 1408 | String prop = "net.dns" + i + "." + myPid; |
| 1409 | if (SystemProperties.get(prop).length() == 0) { |
| 1410 | if (doBump) { |
| 1411 | bumpDns(); |
| 1412 | } |
| 1413 | return; |
| 1414 | } |
| 1415 | SystemProperties.set(prop, ""); |
| 1416 | } |
| 1417 | } |
| 1418 | |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1419 | private void writePidDns(Collection <InetAddress> dnses, int pid) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1420 | int j = 1; |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1421 | for (InetAddress dns : dnses) { |
| 1422 | SystemProperties.set("net.dns" + j++ + "." + pid, dns.getHostAddress()); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1423 | } |
| 1424 | } |
| 1425 | |
| 1426 | private void bumpDns() { |
| 1427 | /* |
| 1428 | * Bump the property that tells the name resolver library to reread |
| 1429 | * the DNS server list from the properties. |
| 1430 | */ |
| 1431 | String propVal = SystemProperties.get("net.dnschange"); |
| 1432 | int n = 0; |
| 1433 | if (propVal.length() != 0) { |
| 1434 | try { |
| 1435 | n = Integer.parseInt(propVal); |
| 1436 | } catch (NumberFormatException e) {} |
| 1437 | } |
| 1438 | SystemProperties.set("net.dnschange", "" + (n+1)); |
| 1439 | } |
| 1440 | |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 1441 | private void handleDnsConfigurationChange(int netType) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1442 | // add default net's dns entries |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 1443 | NetworkStateTracker nt = mNetTrackers[netType]; |
| 1444 | if (nt != null && nt.getNetworkInfo().isConnected() && !nt.isTeardownRequested()) { |
| 1445 | NetworkProperties p = nt.getNetworkProperties(); |
| 1446 | if (p == null) return; |
| 1447 | Collection<InetAddress> dnses = p.getDnses(); |
| 1448 | if (mNetAttributes[netType].isDefault()) { |
| 1449 | int j = 1; |
| 1450 | for (InetAddress dns : dnses) { |
| 1451 | if (DBG) { |
| 1452 | Slog.d(TAG, "adding dns " + dns + " for " + |
| 1453 | nt.getNetworkInfo().getTypeName()); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1454 | } |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 1455 | SystemProperties.set("net.dns" + j++, dns.getHostAddress()); |
| 1456 | } |
| 1457 | for (int k=j ; k<mNumDnsEntries; k++) { |
| 1458 | if (DBG) Slog.d(TAG, "erasing net.dns" + k); |
| 1459 | SystemProperties.set("net.dns" + k, ""); |
| 1460 | } |
| 1461 | mNumDnsEntries = j; |
| 1462 | } else { |
| 1463 | // set per-pid dns for attached secondary nets |
| 1464 | List pids = mNetRequestersPids[netType]; |
| 1465 | for (int y=0; y< pids.size(); y++) { |
| 1466 | Integer pid = (Integer)pids.get(y); |
| 1467 | writePidDns(dnses, pid.intValue()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1468 | } |
| 1469 | } |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 1470 | bumpDns(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1471 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1472 | } |
| 1473 | |
| 1474 | private int getRestoreDefaultNetworkDelay() { |
| 1475 | String restoreDefaultNetworkDelayStr = SystemProperties.get( |
| 1476 | NETWORK_RESTORE_DELAY_PROP_NAME); |
| 1477 | if(restoreDefaultNetworkDelayStr != null && |
| 1478 | restoreDefaultNetworkDelayStr.length() != 0) { |
| 1479 | try { |
| 1480 | return Integer.valueOf(restoreDefaultNetworkDelayStr); |
| 1481 | } catch (NumberFormatException e) { |
| 1482 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1483 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1484 | return RESTORE_DEFAULT_NETWORK_DELAY; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1485 | } |
| 1486 | |
| 1487 | @Override |
| 1488 | protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1489 | if (mContext.checkCallingOrSelfPermission( |
| 1490 | android.Manifest.permission.DUMP) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1491 | != PackageManager.PERMISSION_GRANTED) { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1492 | pw.println("Permission Denial: can't dump ConnectivityService " + |
| 1493 | "from from pid=" + Binder.getCallingPid() + ", uid=" + |
| 1494 | Binder.getCallingUid()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1495 | return; |
| 1496 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1497 | pw.println(); |
| 1498 | for (NetworkStateTracker nst : mNetTrackers) { |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 1499 | if (nst != null) { |
| 1500 | if (nst.getNetworkInfo().isConnected()) { |
| 1501 | pw.println("Active network: " + nst.getNetworkInfo(). |
| 1502 | getTypeName()); |
| 1503 | } |
| 1504 | pw.println(nst.getNetworkInfo()); |
| 1505 | pw.println(nst); |
| 1506 | pw.println(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1507 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1508 | } |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 1509 | |
| 1510 | pw.println("Network Requester Pids:"); |
| 1511 | for (int net : mPriorityList) { |
| 1512 | String pidString = net + ": "; |
| 1513 | for (Object pid : mNetRequestersPids[net]) { |
| 1514 | pidString = pidString + pid.toString() + ", "; |
| 1515 | } |
| 1516 | pw.println(pidString); |
| 1517 | } |
| 1518 | pw.println(); |
| 1519 | |
| 1520 | pw.println("FeatureUsers:"); |
| 1521 | for (Object requester : mFeatureUsers) { |
| 1522 | pw.println(requester.toString()); |
| 1523 | } |
| 1524 | pw.println(); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1525 | |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 1526 | synchronized (this) { |
| 1527 | pw.println("NetworkTranstionWakeLock is currently " + |
| 1528 | (mNetTransitionWakeLock.isHeld() ? "" : "not ") + "held."); |
| 1529 | pw.println("It was last requested for "+mNetTransitionWakeLockCausedBy); |
| 1530 | } |
| 1531 | pw.println(); |
| 1532 | |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1533 | mTethering.dump(fd, pw, args); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1534 | } |
| 1535 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1536 | // must be stateless - things change under us. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1537 | private class MyHandler extends Handler { |
| 1538 | @Override |
| 1539 | public void handleMessage(Message msg) { |
| 1540 | NetworkInfo info; |
| 1541 | switch (msg.what) { |
| 1542 | case NetworkStateTracker.EVENT_STATE_CHANGED: |
| 1543 | info = (NetworkInfo) msg.obj; |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1544 | int type = info.getType(); |
| 1545 | NetworkInfo.State state = info.getState(); |
Robert Greenwalt | 6e6dec2 | 2010-01-25 16:14:00 -0800 | [diff] [blame] | 1546 | // only do this optimization for wifi. It going into scan mode for location |
| 1547 | // services generates alot of noise. Meanwhile the mms apn won't send out |
| 1548 | // subsequent notifications when on default cellular because it never |
| 1549 | // disconnects.. so only do this to wifi notifications. Fixed better when the |
| 1550 | // APN notifications are standardized. |
| 1551 | if (mNetAttributes[type].mLastState == state && |
| 1552 | mNetAttributes[type].mRadio == ConnectivityManager.TYPE_WIFI) { |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1553 | if (DBG) { |
Robert Greenwalt | 6e6dec2 | 2010-01-25 16:14:00 -0800 | [diff] [blame] | 1554 | // TODO - remove this after we validate the dropping doesn't break |
| 1555 | // anything |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1556 | Slog.d(TAG, "Dropping ConnectivityChange for " + |
Robert Greenwalt | 1193ae4 | 2010-01-13 09:36:31 -0800 | [diff] [blame] | 1557 | info.getTypeName() + ": " + |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1558 | state + "/" + info.getDetailedState()); |
| 1559 | } |
| 1560 | return; |
| 1561 | } |
| 1562 | mNetAttributes[type].mLastState = state; |
| 1563 | |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1564 | if (DBG) Slog.d(TAG, "ConnectivityChange for " + |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1565 | info.getTypeName() + ": " + |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1566 | state + "/" + info.getDetailedState()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1567 | |
| 1568 | // Connectivity state changed: |
| 1569 | // [31-13] Reserved for future use |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1570 | // [12-9] Network subtype (for mobile network, as defined |
| 1571 | // by TelephonyManager) |
| 1572 | // [8-3] Detailed state ordinal (as defined by |
| 1573 | // NetworkInfo.DetailedState) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1574 | // [2-0] Network type (as defined by ConnectivityManager) |
| 1575 | int eventLogParam = (info.getType() & 0x7) | |
| 1576 | ((info.getDetailedState().ordinal() & 0x3f) << 3) | |
| 1577 | (info.getSubtype() << 9); |
Doug Zongker | ab5c49c | 2009-12-04 10:31:43 -0800 | [diff] [blame] | 1578 | EventLog.writeEvent(EventLogTags.CONNECTIVITY_STATE_CHANGED, |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1579 | eventLogParam); |
| 1580 | |
| 1581 | if (info.getDetailedState() == |
| 1582 | NetworkInfo.DetailedState.FAILED) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1583 | handleConnectionFailure(info); |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1584 | } else if (state == NetworkInfo.State.DISCONNECTED) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1585 | handleDisconnect(info); |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1586 | } else if (state == NetworkInfo.State.SUSPENDED) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1587 | // TODO: need to think this over. |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1588 | // the logic here is, handle SUSPENDED the same as |
| 1589 | // DISCONNECTED. The only difference being we are |
| 1590 | // broadcasting an intent with NetworkInfo that's |
| 1591 | // suspended. This allows the applications an |
| 1592 | // opportunity to handle DISCONNECTED and SUSPENDED |
| 1593 | // differently, or not. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1594 | handleDisconnect(info); |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1595 | } else if (state == NetworkInfo.State.CONNECTED) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1596 | handleConnect(info); |
| 1597 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1598 | break; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1599 | case NetworkStateTracker.EVENT_CONFIGURATION_CHANGED: |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 1600 | // TODO - make this handle ip/proxy/gateway/dns changes |
| 1601 | info = (NetworkInfo) msg.obj; |
| 1602 | type = info.getType(); |
| 1603 | handleDnsConfigurationChange(type); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1604 | break; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1605 | case NetworkStateTracker.EVENT_RESTORE_DEFAULT_NETWORK: |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 1606 | FeatureUser u = (FeatureUser)msg.obj; |
| 1607 | u.expire(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1608 | break; |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 1609 | case NetworkStateTracker.EVENT_CLEAR_NET_TRANSITION_WAKELOCK: |
| 1610 | String causedBy = null; |
| 1611 | synchronized (ConnectivityService.this) { |
| 1612 | if (msg.arg1 == mNetTransitionWakeLockSerialNumber && |
| 1613 | mNetTransitionWakeLock.isHeld()) { |
| 1614 | mNetTransitionWakeLock.release(); |
| 1615 | causedBy = mNetTransitionWakeLockCausedBy; |
| 1616 | } |
| 1617 | } |
| 1618 | if (causedBy != null) { |
| 1619 | Slog.d(TAG, "NetTransition Wakelock for " + |
| 1620 | causedBy + " released by timeout"); |
| 1621 | } |
| 1622 | break; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1623 | } |
| 1624 | } |
| 1625 | } |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 1626 | |
| 1627 | // javadoc from interface |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 1628 | public int tether(String iface) { |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 1629 | enforceTetherChangePermission(); |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 1630 | |
| 1631 | if (isTetheringSupported()) { |
| 1632 | return mTethering.tether(iface); |
| 1633 | } else { |
| 1634 | return ConnectivityManager.TETHER_ERROR_UNSUPPORTED; |
| 1635 | } |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 1636 | } |
| 1637 | |
| 1638 | // javadoc from interface |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 1639 | public int untether(String iface) { |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 1640 | enforceTetherChangePermission(); |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 1641 | |
| 1642 | if (isTetheringSupported()) { |
| 1643 | return mTethering.untether(iface); |
| 1644 | } else { |
| 1645 | return ConnectivityManager.TETHER_ERROR_UNSUPPORTED; |
| 1646 | } |
| 1647 | } |
| 1648 | |
| 1649 | // javadoc from interface |
| 1650 | public int getLastTetherError(String iface) { |
| 1651 | enforceTetherAccessPermission(); |
| 1652 | |
| 1653 | if (isTetheringSupported()) { |
| 1654 | return mTethering.getLastTetherError(iface); |
| 1655 | } else { |
| 1656 | return ConnectivityManager.TETHER_ERROR_UNSUPPORTED; |
| 1657 | } |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1658 | } |
| 1659 | |
| 1660 | // TODO - proper iface API for selection by property, inspection, etc |
| 1661 | public String[] getTetherableUsbRegexs() { |
| 1662 | enforceTetherAccessPermission(); |
| 1663 | if (isTetheringSupported()) { |
| 1664 | return mTethering.getTetherableUsbRegexs(); |
| 1665 | } else { |
| 1666 | return new String[0]; |
| 1667 | } |
| 1668 | } |
| 1669 | |
| 1670 | public String[] getTetherableWifiRegexs() { |
| 1671 | enforceTetherAccessPermission(); |
| 1672 | if (isTetheringSupported()) { |
| 1673 | return mTethering.getTetherableWifiRegexs(); |
| 1674 | } else { |
| 1675 | return new String[0]; |
| 1676 | } |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 1677 | } |
| 1678 | |
| 1679 | // TODO - move iface listing, queries, etc to new module |
| 1680 | // javadoc from interface |
| 1681 | public String[] getTetherableIfaces() { |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1682 | enforceTetherAccessPermission(); |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 1683 | return mTethering.getTetherableIfaces(); |
| 1684 | } |
| 1685 | |
| 1686 | public String[] getTetheredIfaces() { |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1687 | enforceTetherAccessPermission(); |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 1688 | return mTethering.getTetheredIfaces(); |
| 1689 | } |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1690 | |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 1691 | public String[] getTetheringErroredIfaces() { |
| 1692 | enforceTetherAccessPermission(); |
| 1693 | return mTethering.getErroredIfaces(); |
| 1694 | } |
| 1695 | |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1696 | // if ro.tether.denied = true we default to no tethering |
| 1697 | // gservices could set the secure setting to 1 though to enable it on a build where it |
| 1698 | // had previously been turned off. |
| 1699 | public boolean isTetheringSupported() { |
| 1700 | enforceTetherAccessPermission(); |
| 1701 | int defaultVal = (SystemProperties.get("ro.tether.denied").equals("true") ? 0 : 1); |
Robert Greenwalt | c9d5fb7 | 2010-02-25 12:29:30 -0800 | [diff] [blame] | 1702 | boolean tetherEnabledInSettings = (Settings.Secure.getInt(mContext.getContentResolver(), |
| 1703 | Settings.Secure.TETHER_SUPPORTED, defaultVal) != 0); |
| 1704 | return tetherEnabledInSettings && mTetheringConfigValid; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1705 | } |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 1706 | |
| 1707 | // An API NetworkStateTrackers can call when they lose their network. |
| 1708 | // This will automatically be cleared after X seconds or a network becomes CONNECTED, |
| 1709 | // whichever happens first. The timer is started by the first caller and not |
| 1710 | // restarted by subsequent callers. |
| 1711 | public void requestNetworkTransitionWakelock(String forWhom) { |
| 1712 | enforceConnectivityInternalPermission(); |
| 1713 | synchronized (this) { |
| 1714 | if (mNetTransitionWakeLock.isHeld()) return; |
| 1715 | mNetTransitionWakeLockSerialNumber++; |
| 1716 | mNetTransitionWakeLock.acquire(); |
| 1717 | mNetTransitionWakeLockCausedBy = forWhom; |
| 1718 | } |
| 1719 | mHandler.sendMessageDelayed(mHandler.obtainMessage( |
| 1720 | NetworkStateTracker.EVENT_CLEAR_NET_TRANSITION_WAKELOCK, |
| 1721 | mNetTransitionWakeLockSerialNumber, 0), |
| 1722 | mNetTransitionWakeLockTimeout); |
| 1723 | return; |
| 1724 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1725 | } |