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 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 91 | // priority order of the nettrackers |
| 92 | // (excluding dynamically set mNetworkPreference) |
| 93 | // TODO - move mNetworkTypePreference into this |
| 94 | private int[] mPriorityList; |
| 95 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 96 | private Context mContext; |
| 97 | private int mNetworkPreference; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 98 | private int mActiveDefaultNetwork = -1; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 99 | |
| 100 | private int mNumDnsEntries; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 101 | |
| 102 | private boolean mTestMode; |
| 103 | private static ConnectivityService sServiceInstance; |
| 104 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 105 | private Handler mHandler; |
| 106 | |
| 107 | // list of DeathRecipients used to make sure features are turned off when |
| 108 | // a process dies |
| 109 | private List mFeatureUsers; |
| 110 | |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 111 | private boolean mSystemReady; |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 112 | private Intent mInitialBroadcast; |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 113 | |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 114 | private PowerManager.WakeLock mNetTransitionWakeLock; |
| 115 | private String mNetTransitionWakeLockCausedBy = ""; |
| 116 | private int mNetTransitionWakeLockSerialNumber; |
| 117 | private int mNetTransitionWakeLockTimeout; |
| 118 | |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 119 | private static class NetworkAttributes { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 120 | /** |
| 121 | * Class for holding settings read from resources. |
| 122 | */ |
| 123 | public String mName; |
| 124 | public int mType; |
| 125 | public int mRadio; |
| 126 | public int mPriority; |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 127 | public NetworkInfo.State mLastState; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 128 | public NetworkAttributes(String init) { |
| 129 | String fragments[] = init.split(","); |
| 130 | mName = fragments[0].toLowerCase(); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 131 | mType = Integer.parseInt(fragments[1]); |
| 132 | mRadio = Integer.parseInt(fragments[2]); |
| 133 | mPriority = Integer.parseInt(fragments[3]); |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 134 | mLastState = NetworkInfo.State.UNKNOWN; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 135 | } |
| 136 | public boolean isDefault() { |
| 137 | return (mType == mRadio); |
| 138 | } |
| 139 | } |
| 140 | NetworkAttributes[] mNetAttributes; |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 141 | int mNetworksDefined; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 142 | |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 143 | private static class RadioAttributes { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 144 | public int mSimultaneity; |
| 145 | public int mType; |
| 146 | public RadioAttributes(String init) { |
| 147 | String fragments[] = init.split(","); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 148 | mType = Integer.parseInt(fragments[0]); |
| 149 | mSimultaneity = Integer.parseInt(fragments[1]); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 150 | } |
| 151 | } |
| 152 | RadioAttributes[] mRadioAttributes; |
| 153 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 154 | private static class ConnectivityThread extends Thread { |
| 155 | private Context mContext; |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 156 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 157 | private ConnectivityThread(Context context) { |
| 158 | super("ConnectivityThread"); |
| 159 | mContext = context; |
| 160 | } |
| 161 | |
| 162 | @Override |
| 163 | public void run() { |
| 164 | Looper.prepare(); |
| 165 | synchronized (this) { |
| 166 | sServiceInstance = new ConnectivityService(mContext); |
| 167 | notifyAll(); |
| 168 | } |
| 169 | Looper.loop(); |
| 170 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 171 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 172 | public static ConnectivityService getServiceInstance(Context context) { |
| 173 | ConnectivityThread thread = new ConnectivityThread(context); |
| 174 | thread.start(); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 175 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 176 | synchronized (thread) { |
| 177 | while (sServiceInstance == null) { |
| 178 | try { |
| 179 | // Wait until sServiceInstance has been initialized. |
| 180 | thread.wait(); |
| 181 | } catch (InterruptedException ignore) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 182 | Slog.e(TAG, |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 183 | "Unexpected InterruptedException while waiting"+ |
| 184 | " for ConnectivityService thread"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 185 | } |
| 186 | } |
| 187 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 188 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 189 | return sServiceInstance; |
| 190 | } |
| 191 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 192 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 193 | public static ConnectivityService getInstance(Context context) { |
| 194 | return ConnectivityThread.getServiceInstance(context); |
| 195 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 196 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 197 | private ConnectivityService(Context context) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 198 | if (DBG) Slog.v(TAG, "ConnectivityService starting up"); |
Robert Greenwalt | de8383c | 2010-01-14 17:47:58 -0800 | [diff] [blame] | 199 | |
| 200 | // setup our unique device name |
| 201 | String id = Settings.Secure.getString(context.getContentResolver(), |
| 202 | Settings.Secure.ANDROID_ID); |
| 203 | if (id != null && id.length() > 0) { |
| 204 | String name = new String("android_").concat(id); |
| 205 | SystemProperties.set("net.hostname", name); |
| 206 | } |
| 207 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 208 | mContext = context; |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 209 | |
| 210 | PowerManager powerManager = (PowerManager)mContext.getSystemService(Context.POWER_SERVICE); |
| 211 | mNetTransitionWakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, TAG); |
| 212 | mNetTransitionWakeLockTimeout = mContext.getResources().getInteger( |
| 213 | com.android.internal.R.integer.config_networkTransitionTimeout); |
| 214 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 215 | mNetTrackers = new NetworkStateTracker[ |
| 216 | ConnectivityManager.MAX_NETWORK_TYPE+1]; |
| 217 | mHandler = new MyHandler(); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 218 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 219 | mNetworkPreference = getPersistedNetworkPreference(); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 220 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 221 | mRadioAttributes = new RadioAttributes[ConnectivityManager.MAX_RADIO_TYPE+1]; |
| 222 | mNetAttributes = new NetworkAttributes[ConnectivityManager.MAX_NETWORK_TYPE+1]; |
| 223 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 224 | // Load device network attributes from resources |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 225 | String[] raStrings = context.getResources().getStringArray( |
| 226 | com.android.internal.R.array.radioAttributes); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 227 | for (String raString : raStrings) { |
| 228 | RadioAttributes r = new RadioAttributes(raString); |
| 229 | if (r.mType > ConnectivityManager.MAX_RADIO_TYPE) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 230 | 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] | 231 | continue; |
| 232 | } |
| 233 | if (mRadioAttributes[r.mType] != null) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 234 | Slog.e(TAG, "Error in radioAttributes - ignoring attempt to redefine type " + |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 235 | r.mType); |
| 236 | continue; |
| 237 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 238 | mRadioAttributes[r.mType] = r; |
| 239 | } |
| 240 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 241 | String[] naStrings = context.getResources().getStringArray( |
| 242 | com.android.internal.R.array.networkAttributes); |
| 243 | for (String naString : naStrings) { |
| 244 | try { |
| 245 | NetworkAttributes n = new NetworkAttributes(naString); |
| 246 | if (n.mType > ConnectivityManager.MAX_NETWORK_TYPE) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 247 | Slog.e(TAG, "Error in networkAttributes - ignoring attempt to define type " + |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 248 | n.mType); |
| 249 | continue; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 250 | } |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 251 | if (mNetAttributes[n.mType] != null) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 252 | Slog.e(TAG, "Error in networkAttributes - ignoring attempt to redefine type " + |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 253 | n.mType); |
| 254 | continue; |
| 255 | } |
| 256 | if (mRadioAttributes[n.mRadio] == null) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 257 | Slog.e(TAG, "Error in networkAttributes - ignoring attempt to use undefined " + |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 258 | "radio " + n.mRadio + " in network type " + n.mType); |
| 259 | continue; |
| 260 | } |
| 261 | mNetAttributes[n.mType] = n; |
| 262 | mNetworksDefined++; |
| 263 | } catch(Exception e) { |
| 264 | // ignore it - leave the entry null |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 265 | } |
| 266 | } |
| 267 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 268 | // high priority first |
| 269 | mPriorityList = new int[mNetworksDefined]; |
| 270 | { |
| 271 | int insertionPoint = mNetworksDefined-1; |
| 272 | int currentLowest = 0; |
| 273 | int nextLowest = 0; |
| 274 | while (insertionPoint > -1) { |
| 275 | for (NetworkAttributes na : mNetAttributes) { |
| 276 | if (na == null) continue; |
| 277 | if (na.mPriority < currentLowest) continue; |
| 278 | if (na.mPriority > currentLowest) { |
| 279 | if (na.mPriority < nextLowest || nextLowest == 0) { |
| 280 | nextLowest = na.mPriority; |
| 281 | } |
| 282 | continue; |
| 283 | } |
| 284 | mPriorityList[insertionPoint--] = na.mType; |
| 285 | } |
| 286 | currentLowest = nextLowest; |
| 287 | nextLowest = 0; |
| 288 | } |
| 289 | } |
| 290 | |
| 291 | mNetRequestersPids = new ArrayList[ConnectivityManager.MAX_NETWORK_TYPE+1]; |
| 292 | for (int i : mPriorityList) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 293 | mNetRequestersPids[i] = new ArrayList(); |
| 294 | } |
| 295 | |
| 296 | mFeatureUsers = new ArrayList(); |
| 297 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 298 | mNumDnsEntries = 0; |
| 299 | |
| 300 | mTestMode = SystemProperties.get("cm.test.mode").equals("true") |
| 301 | && SystemProperties.get("ro.build.type").equals("eng"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 302 | /* |
| 303 | * Create the network state trackers for Wi-Fi and mobile |
| 304 | * data. Maybe this could be done with a factory class, |
| 305 | * but it's not clear that it's worth it, given that |
| 306 | * the number of different network types is not going |
| 307 | * to change very often. |
| 308 | */ |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 309 | boolean noMobileData = !getMobileDataEnabled(); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 310 | for (int netType : mPriorityList) { |
| 311 | switch (mNetAttributes[netType].mRadio) { |
| 312 | case ConnectivityManager.TYPE_WIFI: |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 313 | if (DBG) Slog.v(TAG, "Starting Wifi Service."); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 314 | WifiStateTracker wst = new WifiStateTracker(context, mHandler); |
| 315 | WifiService wifiService = new WifiService(context, wst); |
| 316 | ServiceManager.addService(Context.WIFI_SERVICE, wifiService); |
Irfan Sheriff | 7b00978 | 2010-03-11 16:37:45 -0800 | [diff] [blame] | 317 | wifiService.startWifi(); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 318 | mNetTrackers[ConnectivityManager.TYPE_WIFI] = wst; |
| 319 | wst.startMonitoring(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 320 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 321 | break; |
| 322 | case ConnectivityManager.TYPE_MOBILE: |
| 323 | mNetTrackers[netType] = new MobileDataStateTracker(context, mHandler, |
| 324 | netType, mNetAttributes[netType].mName); |
| 325 | mNetTrackers[netType].startMonitoring(); |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 326 | if (noMobileData) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 327 | if (DBG) Slog.d(TAG, "tearing down Mobile networks due to setting"); |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 328 | mNetTrackers[netType].teardown(); |
| 329 | } |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 330 | break; |
| 331 | default: |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 332 | 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] | 333 | mNetAttributes[netType].mRadio); |
| 334 | continue; |
| 335 | } |
| 336 | } |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 337 | |
Robert Greenwalt | dfadaea | 2010-03-11 15:03:08 -0800 | [diff] [blame] | 338 | mTethering = new Tethering(mContext, mHandler.getLooper()); |
Robert Greenwalt | c9d5fb7 | 2010-02-25 12:29:30 -0800 | [diff] [blame] | 339 | mTetheringConfigValid = (((mNetTrackers[ConnectivityManager.TYPE_MOBILE_DUN] != null) || |
| 340 | !mTethering.isDunRequired()) && |
| 341 | (mTethering.getTetherableUsbRegexs().length != 0 || |
| 342 | mTethering.getTetherableWifiRegexs().length != 0) && |
| 343 | mTethering.getUpstreamIfaceRegexs().length != 0); |
| 344 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 345 | } |
| 346 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 347 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 348 | /** |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 349 | * Sets the preferred network. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 350 | * @param preference the new preference |
| 351 | */ |
| 352 | public synchronized void setNetworkPreference(int preference) { |
| 353 | enforceChangePermission(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 354 | if (ConnectivityManager.isNetworkTypeValid(preference) && |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 355 | mNetAttributes[preference] != null && |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 356 | mNetAttributes[preference].isDefault()) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 357 | if (mNetworkPreference != preference) { |
| 358 | persistNetworkPreference(preference); |
| 359 | mNetworkPreference = preference; |
| 360 | enforcePreference(); |
| 361 | } |
| 362 | } |
| 363 | } |
| 364 | |
| 365 | public int getNetworkPreference() { |
| 366 | enforceAccessPermission(); |
| 367 | return mNetworkPreference; |
| 368 | } |
| 369 | |
| 370 | private void persistNetworkPreference(int networkPreference) { |
| 371 | final ContentResolver cr = mContext.getContentResolver(); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 372 | Settings.Secure.putInt(cr, Settings.Secure.NETWORK_PREFERENCE, |
| 373 | networkPreference); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 374 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 375 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 376 | private int getPersistedNetworkPreference() { |
| 377 | final ContentResolver cr = mContext.getContentResolver(); |
| 378 | |
| 379 | final int networkPrefSetting = Settings.Secure |
| 380 | .getInt(cr, Settings.Secure.NETWORK_PREFERENCE, -1); |
| 381 | if (networkPrefSetting != -1) { |
| 382 | return networkPrefSetting; |
| 383 | } |
| 384 | |
| 385 | return ConnectivityManager.DEFAULT_NETWORK_PREFERENCE; |
| 386 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 387 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 388 | /** |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 389 | * 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] | 390 | * In this method, we only tear down a non-preferred network. Establishing |
| 391 | * a connection to the preferred network is taken care of when we handle |
| 392 | * the disconnect event from the non-preferred network |
| 393 | * (see {@link #handleDisconnect(NetworkInfo)}). |
| 394 | */ |
| 395 | private void enforcePreference() { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 396 | if (mNetTrackers[mNetworkPreference].getNetworkInfo().isConnected()) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 397 | return; |
| 398 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 399 | if (!mNetTrackers[mNetworkPreference].isAvailable()) |
| 400 | return; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 401 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 402 | for (int t=0; t <= ConnectivityManager.MAX_RADIO_TYPE; t++) { |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 403 | if (t != mNetworkPreference && mNetTrackers[t] != null && |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 404 | mNetTrackers[t].getNetworkInfo().isConnected()) { |
Robert Greenwalt | ec9fe46 | 2009-08-20 15:25:14 -0700 | [diff] [blame] | 405 | if (DBG) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 406 | Slog.d(TAG, "tearing down " + |
Robert Greenwalt | ec9fe46 | 2009-08-20 15:25:14 -0700 | [diff] [blame] | 407 | mNetTrackers[t].getNetworkInfo() + |
| 408 | " in enforcePreference"); |
| 409 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 410 | teardown(mNetTrackers[t]); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 411 | } |
| 412 | } |
| 413 | } |
| 414 | |
| 415 | private boolean teardown(NetworkStateTracker netTracker) { |
| 416 | if (netTracker.teardown()) { |
| 417 | netTracker.setTeardownRequested(true); |
| 418 | return true; |
| 419 | } else { |
| 420 | return false; |
| 421 | } |
| 422 | } |
| 423 | |
| 424 | /** |
| 425 | * Return NetworkInfo for the active (i.e., connected) network interface. |
| 426 | * It is assumed that at most one network is active at a time. If more |
| 427 | * than one is active, it is indeterminate which will be returned. |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 428 | * @return the info for the active network, or {@code null} if none is |
| 429 | * active |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 430 | */ |
| 431 | public NetworkInfo getActiveNetworkInfo() { |
| 432 | enforceAccessPermission(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 433 | for (int type=0; type <= ConnectivityManager.MAX_NETWORK_TYPE; type++) { |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 434 | if (mNetAttributes[type] == null || !mNetAttributes[type].isDefault()) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 435 | continue; |
| 436 | } |
| 437 | NetworkStateTracker t = mNetTrackers[type]; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 438 | NetworkInfo info = t.getNetworkInfo(); |
| 439 | if (info.isConnected()) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 440 | if (DBG && type != mActiveDefaultNetwork) Slog.e(TAG, |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 441 | "connected default network is not " + |
| 442 | "mActiveDefaultNetwork!"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 443 | return info; |
| 444 | } |
| 445 | } |
| 446 | return null; |
| 447 | } |
| 448 | |
| 449 | public NetworkInfo getNetworkInfo(int networkType) { |
| 450 | enforceAccessPermission(); |
| 451 | if (ConnectivityManager.isNetworkTypeValid(networkType)) { |
| 452 | NetworkStateTracker t = mNetTrackers[networkType]; |
| 453 | if (t != null) |
| 454 | return t.getNetworkInfo(); |
| 455 | } |
| 456 | return null; |
| 457 | } |
| 458 | |
| 459 | public NetworkInfo[] getAllNetworkInfo() { |
| 460 | enforceAccessPermission(); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 461 | NetworkInfo[] result = new NetworkInfo[mNetworksDefined]; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 462 | int i = 0; |
| 463 | for (NetworkStateTracker t : mNetTrackers) { |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 464 | if(t != null) result[i++] = t.getNetworkInfo(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 465 | } |
| 466 | return result; |
| 467 | } |
| 468 | |
| 469 | public boolean setRadios(boolean turnOn) { |
| 470 | boolean result = true; |
| 471 | enforceChangePermission(); |
| 472 | for (NetworkStateTracker t : mNetTrackers) { |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 473 | if (t != null) result = t.setRadio(turnOn) && result; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 474 | } |
| 475 | return result; |
| 476 | } |
| 477 | |
| 478 | public boolean setRadio(int netType, boolean turnOn) { |
| 479 | enforceChangePermission(); |
| 480 | if (!ConnectivityManager.isNetworkTypeValid(netType)) { |
| 481 | return false; |
| 482 | } |
| 483 | NetworkStateTracker tracker = mNetTrackers[netType]; |
| 484 | return tracker != null && tracker.setRadio(turnOn); |
| 485 | } |
| 486 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 487 | /** |
| 488 | * Used to notice when the calling process dies so we can self-expire |
| 489 | * |
| 490 | * Also used to know if the process has cleaned up after itself when |
| 491 | * our auto-expire timer goes off. The timer has a link to an object. |
| 492 | * |
| 493 | */ |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 494 | private class FeatureUser implements IBinder.DeathRecipient { |
| 495 | int mNetworkType; |
| 496 | String mFeature; |
| 497 | IBinder mBinder; |
| 498 | int mPid; |
| 499 | int mUid; |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 500 | long mCreateTime; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 501 | |
| 502 | FeatureUser(int type, String feature, IBinder binder) { |
| 503 | super(); |
| 504 | mNetworkType = type; |
| 505 | mFeature = feature; |
| 506 | mBinder = binder; |
| 507 | mPid = getCallingPid(); |
| 508 | mUid = getCallingUid(); |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 509 | mCreateTime = System.currentTimeMillis(); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 510 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 511 | try { |
| 512 | mBinder.linkToDeath(this, 0); |
| 513 | } catch (RemoteException e) { |
| 514 | binderDied(); |
| 515 | } |
| 516 | } |
| 517 | |
| 518 | void unlinkDeathRecipient() { |
| 519 | mBinder.unlinkToDeath(this, 0); |
| 520 | } |
| 521 | |
| 522 | public void binderDied() { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 523 | Slog.d(TAG, "ConnectivityService FeatureUser binderDied(" + |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 524 | mNetworkType + ", " + mFeature + ", " + mBinder + "), created " + |
| 525 | (System.currentTimeMillis() - mCreateTime) + " mSec ago"); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 526 | stopUsingNetworkFeature(this, false); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 527 | } |
| 528 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 529 | public void expire() { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 530 | Slog.d(TAG, "ConnectivityService FeatureUser expire(" + |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 531 | mNetworkType + ", " + mFeature + ", " + mBinder +"), created " + |
| 532 | (System.currentTimeMillis() - mCreateTime) + " mSec ago"); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 533 | stopUsingNetworkFeature(this, false); |
| 534 | } |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 535 | |
| 536 | public String toString() { |
| 537 | return "FeatureUser("+mNetworkType+","+mFeature+","+mPid+","+mUid+"), created " + |
| 538 | (System.currentTimeMillis() - mCreateTime) + " mSec ago"; |
| 539 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 540 | } |
| 541 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 542 | // javadoc from interface |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 543 | public int startUsingNetworkFeature(int networkType, String feature, |
| 544 | IBinder binder) { |
| 545 | if (DBG) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 546 | Slog.d(TAG, "startUsingNetworkFeature for net " + networkType + |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 547 | ": " + feature); |
| 548 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 549 | enforceChangePermission(); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 550 | if (!ConnectivityManager.isNetworkTypeValid(networkType) || |
| 551 | mNetAttributes[networkType] == null) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 552 | return Phone.APN_REQUEST_FAILED; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 553 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 554 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 555 | FeatureUser f = new FeatureUser(networkType, feature, binder); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 556 | |
| 557 | // TODO - move this into the MobileDataStateTracker |
| 558 | int usedNetworkType = networkType; |
| 559 | if(networkType == ConnectivityManager.TYPE_MOBILE) { |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 560 | if (!getMobileDataEnabled()) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 561 | if (DBG) Slog.d(TAG, "requested special network with data disabled - rejected"); |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 562 | return Phone.APN_TYPE_NOT_AVAILABLE; |
| 563 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 564 | if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_MMS)) { |
| 565 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_MMS; |
| 566 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_SUPL)) { |
| 567 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_SUPL; |
| 568 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_DUN)) { |
| 569 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_DUN; |
| 570 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_HIPRI)) { |
| 571 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_HIPRI; |
| 572 | } |
| 573 | } |
| 574 | NetworkStateTracker network = mNetTrackers[usedNetworkType]; |
| 575 | if (network != null) { |
| 576 | if (usedNetworkType != networkType) { |
| 577 | Integer currentPid = new Integer(getCallingPid()); |
| 578 | |
| 579 | NetworkStateTracker radio = mNetTrackers[networkType]; |
| 580 | NetworkInfo ni = network.getNetworkInfo(); |
| 581 | |
| 582 | if (ni.isAvailable() == false) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 583 | if (DBG) Slog.d(TAG, "special network not available"); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 584 | return Phone.APN_TYPE_NOT_AVAILABLE; |
| 585 | } |
| 586 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 587 | synchronized(this) { |
| 588 | mFeatureUsers.add(f); |
| 589 | if (!mNetRequestersPids[usedNetworkType].contains(currentPid)) { |
| 590 | // this gets used for per-pid dns when connected |
| 591 | mNetRequestersPids[usedNetworkType].add(currentPid); |
| 592 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 593 | } |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 594 | mHandler.sendMessageDelayed(mHandler.obtainMessage( |
| 595 | NetworkStateTracker.EVENT_RESTORE_DEFAULT_NETWORK, |
| 596 | f), getRestoreDefaultNetworkDelay()); |
| 597 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 598 | |
Robert Greenwalt | a64bf83 | 2009-08-19 20:19:33 -0700 | [diff] [blame] | 599 | if ((ni.isConnectedOrConnecting() == true) && |
| 600 | !network.isTeardownRequested()) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 601 | if (ni.isConnected() == true) { |
| 602 | // add the pid-specific dns |
| 603 | handleDnsConfigurationChange(); |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 604 | if (DBG) Slog.d(TAG, "special network already active"); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 605 | return Phone.APN_ALREADY_ACTIVE; |
| 606 | } |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 607 | if (DBG) Slog.d(TAG, "special network already connecting"); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 608 | return Phone.APN_REQUEST_STARTED; |
| 609 | } |
| 610 | |
| 611 | // check if the radio in play can make another contact |
| 612 | // assume if cannot for now |
| 613 | |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 614 | if (DBG) Slog.d(TAG, "reconnecting to special network"); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 615 | network.reconnect(); |
| 616 | return Phone.APN_REQUEST_STARTED; |
| 617 | } else { |
Robert Greenwalt | 02648a4 | 2010-05-18 10:52:51 -0700 | [diff] [blame] | 618 | return -1; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 619 | } |
| 620 | } |
| 621 | return Phone.APN_TYPE_NOT_AVAILABLE; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 622 | } |
| 623 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 624 | // javadoc from interface |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 625 | public int stopUsingNetworkFeature(int networkType, String feature) { |
Robert Greenwalt | b8f1634 | 2009-10-06 17:52:40 -0700 | [diff] [blame] | 626 | enforceChangePermission(); |
| 627 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 628 | int pid = getCallingPid(); |
| 629 | int uid = getCallingUid(); |
| 630 | |
| 631 | FeatureUser u = null; |
| 632 | boolean found = false; |
| 633 | |
| 634 | synchronized(this) { |
| 635 | for (int i = 0; i < mFeatureUsers.size() ; i++) { |
| 636 | u = (FeatureUser)mFeatureUsers.get(i); |
| 637 | if (uid == u.mUid && pid == u.mPid && |
| 638 | networkType == u.mNetworkType && |
| 639 | TextUtils.equals(feature, u.mFeature)) { |
| 640 | found = true; |
| 641 | break; |
| 642 | } |
| 643 | } |
| 644 | } |
| 645 | if (found && u != null) { |
| 646 | // stop regardless of how many other time this proc had called start |
| 647 | return stopUsingNetworkFeature(u, true); |
| 648 | } else { |
| 649 | // none found! |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 650 | if (DBG) Slog.d(TAG, "ignoring stopUsingNetworkFeature - not a live request"); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 651 | return 1; |
| 652 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 653 | } |
| 654 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 655 | private int stopUsingNetworkFeature(FeatureUser u, boolean ignoreDups) { |
| 656 | int networkType = u.mNetworkType; |
| 657 | String feature = u.mFeature; |
| 658 | int pid = u.mPid; |
| 659 | int uid = u.mUid; |
| 660 | |
| 661 | NetworkStateTracker tracker = null; |
| 662 | boolean callTeardown = false; // used to carry our decision outside of sync block |
| 663 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 664 | if (DBG) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 665 | Slog.d(TAG, "stopUsingNetworkFeature for net " + networkType + |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 666 | ": " + feature); |
| 667 | } |
Robert Greenwalt | b8f1634 | 2009-10-06 17:52:40 -0700 | [diff] [blame] | 668 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 669 | if (!ConnectivityManager.isNetworkTypeValid(networkType)) { |
| 670 | return -1; |
| 671 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 672 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 673 | // need to link the mFeatureUsers list with the mNetRequestersPids state in this |
| 674 | // sync block |
| 675 | synchronized(this) { |
| 676 | // check if this process still has an outstanding start request |
| 677 | if (!mFeatureUsers.contains(u)) { |
Robert Greenwalt | 78a640a | 2010-03-10 16:10:43 -0800 | [diff] [blame] | 678 | if (DBG) Slog.d(TAG, "ignoring - this process has no outstanding requests"); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 679 | return 1; |
| 680 | } |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 681 | u.unlinkDeathRecipient(); |
| 682 | mFeatureUsers.remove(mFeatureUsers.indexOf(u)); |
| 683 | // If we care about duplicate requests, check for that here. |
| 684 | // |
| 685 | // This is done to support the extension of a request - the app |
| 686 | // can request we start the network feature again and renew the |
| 687 | // auto-shutoff delay. Normal "stop" calls from the app though |
| 688 | // do not pay attention to duplicate requests - in effect the |
| 689 | // API does not refcount and a single stop will counter multiple starts. |
| 690 | if (ignoreDups == false) { |
| 691 | for (int i = 0; i < mFeatureUsers.size() ; i++) { |
| 692 | FeatureUser x = (FeatureUser)mFeatureUsers.get(i); |
| 693 | if (x.mUid == u.mUid && x.mPid == u.mPid && |
| 694 | x.mNetworkType == u.mNetworkType && |
| 695 | TextUtils.equals(x.mFeature, u.mFeature)) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 696 | if (DBG) Slog.d(TAG, "ignoring stopUsingNetworkFeature as dup is found"); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 697 | return 1; |
| 698 | } |
| 699 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 700 | } |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 701 | |
| 702 | // TODO - move to MobileDataStateTracker |
| 703 | int usedNetworkType = networkType; |
| 704 | if (networkType == ConnectivityManager.TYPE_MOBILE) { |
| 705 | if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_MMS)) { |
| 706 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_MMS; |
| 707 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_SUPL)) { |
| 708 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_SUPL; |
| 709 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_DUN)) { |
| 710 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_DUN; |
| 711 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_HIPRI)) { |
| 712 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_HIPRI; |
| 713 | } |
| 714 | } |
| 715 | tracker = mNetTrackers[usedNetworkType]; |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 716 | if (tracker == null) { |
Robert Greenwalt | 78a640a | 2010-03-10 16:10:43 -0800 | [diff] [blame] | 717 | 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] | 718 | return -1; |
| 719 | } |
| 720 | if (usedNetworkType != networkType) { |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 721 | Integer currentPid = new Integer(pid); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 722 | mNetRequestersPids[usedNetworkType].remove(currentPid); |
Robert Greenwalt | 421c72b | 2009-12-17 14:54:59 -0800 | [diff] [blame] | 723 | reassessPidDns(pid, true); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 724 | if (mNetRequestersPids[usedNetworkType].size() != 0) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 725 | if (DBG) Slog.d(TAG, "not tearing down special network - " + |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 726 | "others still using it"); |
| 727 | return 1; |
| 728 | } |
| 729 | callTeardown = true; |
| 730 | } |
| 731 | } |
Robert Greenwalt | 78a640a | 2010-03-10 16:10:43 -0800 | [diff] [blame] | 732 | if (DBG) Slog.d(TAG, "Doing network teardown"); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 733 | if (callTeardown) { |
| 734 | tracker.teardown(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 735 | return 1; |
| 736 | } else { |
Robert Greenwalt | 02648a4 | 2010-05-18 10:52:51 -0700 | [diff] [blame] | 737 | return -1; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 738 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 739 | } |
| 740 | |
| 741 | /** |
| 742 | * Ensure that a network route exists to deliver traffic to the specified |
| 743 | * host via the specified network interface. |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 744 | * @param networkType the type of the network over which traffic to the |
| 745 | * specified host is to be routed |
| 746 | * @param hostAddress the IP address of the host to which the route is |
| 747 | * desired |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 748 | * todo - deprecate (only v4!) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 749 | * @return {@code true} on success, {@code false} on failure |
| 750 | */ |
| 751 | public boolean requestRouteToHost(int networkType, int hostAddress) { |
| 752 | enforceChangePermission(); |
| 753 | if (!ConnectivityManager.isNetworkTypeValid(networkType)) { |
| 754 | return false; |
| 755 | } |
| 756 | NetworkStateTracker tracker = mNetTrackers[networkType]; |
Robert Greenwalt | 8206ff3 | 2009-09-10 15:06:20 -0700 | [diff] [blame] | 757 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 758 | if (tracker == null || !tracker.getNetworkInfo().isConnected() || |
| 759 | tracker.isTeardownRequested()) { |
Robert Greenwalt | 8206ff3 | 2009-09-10 15:06:20 -0700 | [diff] [blame] | 760 | if (DBG) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 761 | Slog.d(TAG, "requestRouteToHost on down network (" + networkType + ") - dropped"); |
Robert Greenwalt | 8206ff3 | 2009-09-10 15:06:20 -0700 | [diff] [blame] | 762 | } |
| 763 | return false; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 764 | } |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 765 | try { |
| 766 | InetAddress addr = InetAddress.getByAddress(NetworkUtils.v4IntToArray(hostAddress)); |
| 767 | return addHostRoute(tracker, addr); |
| 768 | } catch (UnknownHostException e) {} |
| 769 | return false; |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 770 | } |
| 771 | |
| 772 | /** |
| 773 | * Ensure that a network route exists to deliver traffic to the specified |
| 774 | * host via the mobile data network. |
| 775 | * @param hostAddress the IP address of the host to which the route is desired, |
| 776 | * in network byte order. |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 777 | * TODO - deprecate |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 778 | * @return {@code true} on success, {@code false} on failure |
| 779 | */ |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 780 | private boolean addHostRoute(NetworkStateTracker nt, InetAddress hostAddress) { |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 781 | if (nt.getNetworkInfo().getType() == ConnectivityManager.TYPE_WIFI) { |
| 782 | return false; |
| 783 | } |
| 784 | |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 785 | NetworkProperties p = nt.getNetworkProperties(); |
| 786 | if (p == null) return false; |
| 787 | String interfaceName = p.getInterfaceName(); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 788 | |
| 789 | if (DBG) { |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 790 | Slog.d(TAG, "Requested host route to " + hostAddress + "(" + interfaceName + ")"); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 791 | } |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 792 | if (interfaceName != null) { |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 793 | return NetworkUtils.addHostRoute(interfaceName, hostAddress) == 0; |
| 794 | } else { |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 795 | if (DBG) Slog.e(TAG, "addHostRoute failed due to null interface name"); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 796 | return false; |
| 797 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 798 | } |
| 799 | |
| 800 | /** |
| 801 | * @see ConnectivityManager#getBackgroundDataSetting() |
| 802 | */ |
| 803 | public boolean getBackgroundDataSetting() { |
| 804 | return Settings.Secure.getInt(mContext.getContentResolver(), |
| 805 | Settings.Secure.BACKGROUND_DATA, 1) == 1; |
| 806 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 807 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 808 | /** |
| 809 | * @see ConnectivityManager#setBackgroundDataSetting(boolean) |
| 810 | */ |
| 811 | public void setBackgroundDataSetting(boolean allowBackgroundDataUsage) { |
| 812 | mContext.enforceCallingOrSelfPermission( |
| 813 | android.Manifest.permission.CHANGE_BACKGROUND_DATA_SETTING, |
| 814 | "ConnectivityService"); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 815 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 816 | if (getBackgroundDataSetting() == allowBackgroundDataUsage) return; |
| 817 | |
| 818 | Settings.Secure.putInt(mContext.getContentResolver(), |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 819 | Settings.Secure.BACKGROUND_DATA, |
| 820 | allowBackgroundDataUsage ? 1 : 0); |
| 821 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 822 | Intent broadcast = new Intent( |
| 823 | ConnectivityManager.ACTION_BACKGROUND_DATA_SETTING_CHANGED); |
| 824 | mContext.sendBroadcast(broadcast); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 825 | } |
| 826 | |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 827 | /** |
| 828 | * @see ConnectivityManager#getMobileDataEnabled() |
| 829 | */ |
| 830 | public boolean getMobileDataEnabled() { |
| 831 | enforceAccessPermission(); |
| 832 | boolean retVal = Settings.Secure.getInt(mContext.getContentResolver(), |
| 833 | Settings.Secure.MOBILE_DATA, 1) == 1; |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 834 | if (DBG) Slog.d(TAG, "getMobileDataEnabled returning " + retVal); |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 835 | return retVal; |
| 836 | } |
| 837 | |
| 838 | /** |
| 839 | * @see ConnectivityManager#setMobileDataEnabled(boolean) |
| 840 | */ |
| 841 | public synchronized void setMobileDataEnabled(boolean enabled) { |
| 842 | enforceChangePermission(); |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 843 | if (DBG) Slog.d(TAG, "setMobileDataEnabled(" + enabled + ")"); |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 844 | |
| 845 | if (getMobileDataEnabled() == enabled) return; |
| 846 | |
| 847 | Settings.Secure.putInt(mContext.getContentResolver(), |
| 848 | Settings.Secure.MOBILE_DATA, enabled ? 1 : 0); |
| 849 | |
| 850 | if (enabled) { |
| 851 | if (mNetTrackers[ConnectivityManager.TYPE_MOBILE] != null) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 852 | if (DBG) Slog.d(TAG, "starting up " + mNetTrackers[ConnectivityManager.TYPE_MOBILE]); |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 853 | mNetTrackers[ConnectivityManager.TYPE_MOBILE].reconnect(); |
| 854 | } |
| 855 | } else { |
| 856 | for (NetworkStateTracker nt : mNetTrackers) { |
| 857 | if (nt == null) continue; |
| 858 | int netType = nt.getNetworkInfo().getType(); |
| 859 | if (mNetAttributes[netType].mRadio == ConnectivityManager.TYPE_MOBILE) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 860 | if (DBG) Slog.d(TAG, "tearing down " + nt); |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 861 | nt.teardown(); |
| 862 | } |
| 863 | } |
| 864 | } |
| 865 | } |
| 866 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 867 | private int getNumConnectedNetworks() { |
| 868 | int numConnectedNets = 0; |
| 869 | |
| 870 | for (NetworkStateTracker nt : mNetTrackers) { |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 871 | if (nt != null && nt.getNetworkInfo().isConnected() && |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 872 | !nt.isTeardownRequested()) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 873 | ++numConnectedNets; |
| 874 | } |
| 875 | } |
| 876 | return numConnectedNets; |
| 877 | } |
| 878 | |
| 879 | private void enforceAccessPermission() { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 880 | mContext.enforceCallingOrSelfPermission( |
| 881 | android.Manifest.permission.ACCESS_NETWORK_STATE, |
| 882 | "ConnectivityService"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 883 | } |
| 884 | |
| 885 | private void enforceChangePermission() { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 886 | mContext.enforceCallingOrSelfPermission( |
| 887 | android.Manifest.permission.CHANGE_NETWORK_STATE, |
| 888 | "ConnectivityService"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 889 | } |
| 890 | |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 891 | // TODO Make this a special check when it goes public |
| 892 | private void enforceTetherChangePermission() { |
| 893 | mContext.enforceCallingOrSelfPermission( |
| 894 | android.Manifest.permission.CHANGE_NETWORK_STATE, |
| 895 | "ConnectivityService"); |
| 896 | } |
| 897 | |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 898 | private void enforceTetherAccessPermission() { |
| 899 | mContext.enforceCallingOrSelfPermission( |
| 900 | android.Manifest.permission.ACCESS_NETWORK_STATE, |
| 901 | "ConnectivityService"); |
| 902 | } |
| 903 | |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 904 | private void enforceConnectivityInternalPermission() { |
| 905 | mContext.enforceCallingOrSelfPermission( |
| 906 | android.Manifest.permission.CONNECTIVITY_INTERNAL, |
| 907 | "ConnectivityService"); |
| 908 | } |
| 909 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 910 | /** |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 911 | * Handle a {@code DISCONNECTED} event. If this pertains to the non-active |
| 912 | * network, we ignore it. If it is for the active network, we send out a |
| 913 | * broadcast. But first, we check whether it might be possible to connect |
| 914 | * to a different network. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 915 | * @param info the {@code NetworkInfo} for the network |
| 916 | */ |
| 917 | private void handleDisconnect(NetworkInfo info) { |
| 918 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 919 | int prevNetType = info.getType(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 920 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 921 | mNetTrackers[prevNetType].setTeardownRequested(false); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 922 | /* |
| 923 | * If the disconnected network is not the active one, then don't report |
| 924 | * this as a loss of connectivity. What probably happened is that we're |
| 925 | * getting the disconnect for a network that we explicitly disabled |
| 926 | * in accordance with network preference policies. |
| 927 | */ |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 928 | if (!mNetAttributes[prevNetType].isDefault()) { |
| 929 | List pids = mNetRequestersPids[prevNetType]; |
| 930 | for (int i = 0; i<pids.size(); i++) { |
| 931 | Integer pid = (Integer)pids.get(i); |
| 932 | // will remove them because the net's no longer connected |
| 933 | // need to do this now as only now do we know the pids and |
| 934 | // can properly null things that are no longer referenced. |
| 935 | reassessPidDns(pid.intValue(), false); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 936 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 937 | } |
| 938 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 939 | Intent intent = new Intent(ConnectivityManager.CONNECTIVITY_ACTION); |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 940 | intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 941 | intent.putExtra(ConnectivityManager.EXTRA_NETWORK_INFO, info); |
| 942 | if (info.isFailover()) { |
| 943 | intent.putExtra(ConnectivityManager.EXTRA_IS_FAILOVER, true); |
| 944 | info.setFailover(false); |
| 945 | } |
| 946 | if (info.getReason() != null) { |
| 947 | intent.putExtra(ConnectivityManager.EXTRA_REASON, info.getReason()); |
| 948 | } |
| 949 | if (info.getExtraInfo() != null) { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 950 | intent.putExtra(ConnectivityManager.EXTRA_EXTRA_INFO, |
| 951 | info.getExtraInfo()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 952 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 953 | |
Robert Greenwalt | cc4b401 | 2010-01-25 17:54:29 -0800 | [diff] [blame] | 954 | NetworkStateTracker newNet = null; |
| 955 | if (mNetAttributes[prevNetType].isDefault()) { |
| 956 | newNet = tryFailover(prevNetType); |
| 957 | if (newNet != null) { |
| 958 | NetworkInfo switchTo = newNet.getNetworkInfo(); |
| 959 | intent.putExtra(ConnectivityManager.EXTRA_OTHER_NETWORK_INFO, switchTo); |
| 960 | } else { |
| 961 | intent.putExtra(ConnectivityManager.EXTRA_NO_CONNECTIVITY, true); |
| 962 | } |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 963 | } |
| 964 | // do this before we broadcast the change |
| 965 | handleConnectivityChange(); |
| 966 | |
| 967 | sendStickyBroadcast(intent); |
| 968 | /* |
| 969 | * If the failover network is already connected, then immediately send |
| 970 | * out a followup broadcast indicating successful failover |
| 971 | */ |
| 972 | if (newNet != null && newNet.getNetworkInfo().isConnected()) { |
| 973 | sendConnectedBroadcast(newNet.getNetworkInfo()); |
| 974 | } |
| 975 | } |
| 976 | |
Robert Greenwalt | cc4b401 | 2010-01-25 17:54:29 -0800 | [diff] [blame] | 977 | // returns null if no failover available |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 978 | private NetworkStateTracker tryFailover(int prevNetType) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 979 | /* |
| 980 | * If this is a default network, check if other defaults are available |
| 981 | * or active |
| 982 | */ |
| 983 | NetworkStateTracker newNet = null; |
| 984 | if (mNetAttributes[prevNetType].isDefault()) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 985 | if (mActiveDefaultNetwork == prevNetType) { |
| 986 | mActiveDefaultNetwork = -1; |
| 987 | } |
| 988 | |
| 989 | int newType = -1; |
| 990 | int newPriority = -1; |
Robert Greenwalt | 3542959 | 2010-02-25 12:04:29 -0800 | [diff] [blame] | 991 | boolean noMobileData = !getMobileDataEnabled(); |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 992 | for (int checkType=0; checkType <= ConnectivityManager.MAX_NETWORK_TYPE; checkType++) { |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 993 | if (checkType == prevNetType) continue; |
| 994 | if (mNetAttributes[checkType] == null) continue; |
Robert Greenwalt | 3542959 | 2010-02-25 12:04:29 -0800 | [diff] [blame] | 995 | if (mNetAttributes[checkType].mRadio == ConnectivityManager.TYPE_MOBILE && |
| 996 | noMobileData) { |
| 997 | if (DBG) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 998 | Slog.d(TAG, "not failing over to mobile type " + checkType + |
Robert Greenwalt | 3542959 | 2010-02-25 12:04:29 -0800 | [diff] [blame] | 999 | " because Mobile Data Disabled"); |
| 1000 | } |
| 1001 | continue; |
| 1002 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1003 | if (mNetAttributes[checkType].isDefault()) { |
| 1004 | /* TODO - if we have multiple nets we could use |
| 1005 | * we may want to put more thought into which we choose |
| 1006 | */ |
| 1007 | if (checkType == mNetworkPreference) { |
| 1008 | newType = checkType; |
| 1009 | break; |
| 1010 | } |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 1011 | if (mNetAttributes[checkType].mPriority > newPriority) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1012 | newType = checkType; |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 1013 | newPriority = mNetAttributes[newType].mPriority; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1014 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1015 | } |
| 1016 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1017 | |
| 1018 | if (newType != -1) { |
| 1019 | newNet = mNetTrackers[newType]; |
| 1020 | /** |
| 1021 | * See if the other network is available to fail over to. |
| 1022 | * If is not available, we enable it anyway, so that it |
| 1023 | * will be able to connect when it does become available, |
| 1024 | * but we report a total loss of connectivity rather than |
| 1025 | * report that we are attempting to fail over. |
| 1026 | */ |
| 1027 | if (newNet.isAvailable()) { |
| 1028 | NetworkInfo switchTo = newNet.getNetworkInfo(); |
| 1029 | switchTo.setFailover(true); |
Robert Greenwalt | a64bf83 | 2009-08-19 20:19:33 -0700 | [diff] [blame] | 1030 | if (!switchTo.isConnectedOrConnecting() || |
| 1031 | newNet.isTeardownRequested()) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1032 | newNet.reconnect(); |
| 1033 | } |
| 1034 | if (DBG) { |
| 1035 | if (switchTo.isConnected()) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1036 | Slog.v(TAG, "Switching to already connected " + |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1037 | switchTo.getTypeName()); |
| 1038 | } else { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1039 | Slog.v(TAG, "Attempting to switch to " + |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1040 | switchTo.getTypeName()); |
| 1041 | } |
| 1042 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1043 | } else { |
| 1044 | newNet.reconnect(); |
Robert Greenwalt | f0fa39e | 2010-03-09 14:55:08 -0800 | [diff] [blame] | 1045 | newNet = null; // not officially avail.. try anyway, but |
| 1046 | // report no failover |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1047 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1048 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1049 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1050 | |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 1051 | return newNet; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1052 | } |
| 1053 | |
| 1054 | private void sendConnectedBroadcast(NetworkInfo info) { |
| 1055 | Intent intent = new Intent(ConnectivityManager.CONNECTIVITY_ACTION); |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 1056 | intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1057 | intent.putExtra(ConnectivityManager.EXTRA_NETWORK_INFO, info); |
| 1058 | if (info.isFailover()) { |
| 1059 | intent.putExtra(ConnectivityManager.EXTRA_IS_FAILOVER, true); |
| 1060 | info.setFailover(false); |
| 1061 | } |
| 1062 | if (info.getReason() != null) { |
| 1063 | intent.putExtra(ConnectivityManager.EXTRA_REASON, info.getReason()); |
| 1064 | } |
| 1065 | if (info.getExtraInfo() != null) { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1066 | intent.putExtra(ConnectivityManager.EXTRA_EXTRA_INFO, |
| 1067 | info.getExtraInfo()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1068 | } |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1069 | sendStickyBroadcast(intent); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1070 | } |
| 1071 | |
| 1072 | /** |
| 1073 | * Called when an attempt to fail over to another network has failed. |
| 1074 | * @param info the {@link NetworkInfo} for the failed network |
| 1075 | */ |
| 1076 | private void handleConnectionFailure(NetworkInfo info) { |
| 1077 | mNetTrackers[info.getType()].setTeardownRequested(false); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1078 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1079 | String reason = info.getReason(); |
| 1080 | String extraInfo = info.getExtraInfo(); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1081 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1082 | if (DBG) { |
| 1083 | String reasonText; |
| 1084 | if (reason == null) { |
| 1085 | reasonText = "."; |
| 1086 | } else { |
| 1087 | reasonText = " (" + reason + ")."; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1088 | } |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1089 | Slog.v(TAG, "Attempt to connect to " + info.getTypeName() + |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1090 | " failed" + reasonText); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1091 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1092 | |
| 1093 | Intent intent = new Intent(ConnectivityManager.CONNECTIVITY_ACTION); |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 1094 | intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1095 | intent.putExtra(ConnectivityManager.EXTRA_NETWORK_INFO, info); |
| 1096 | if (getActiveNetworkInfo() == null) { |
| 1097 | intent.putExtra(ConnectivityManager.EXTRA_NO_CONNECTIVITY, true); |
| 1098 | } |
| 1099 | if (reason != null) { |
| 1100 | intent.putExtra(ConnectivityManager.EXTRA_REASON, reason); |
| 1101 | } |
| 1102 | if (extraInfo != null) { |
| 1103 | intent.putExtra(ConnectivityManager.EXTRA_EXTRA_INFO, extraInfo); |
| 1104 | } |
| 1105 | if (info.isFailover()) { |
| 1106 | intent.putExtra(ConnectivityManager.EXTRA_IS_FAILOVER, true); |
| 1107 | info.setFailover(false); |
| 1108 | } |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 1109 | |
Robert Greenwalt | cc4b401 | 2010-01-25 17:54:29 -0800 | [diff] [blame] | 1110 | NetworkStateTracker newNet = null; |
| 1111 | if (mNetAttributes[info.getType()].isDefault()) { |
| 1112 | newNet = tryFailover(info.getType()); |
| 1113 | if (newNet != null) { |
| 1114 | NetworkInfo switchTo = newNet.getNetworkInfo(); |
| 1115 | intent.putExtra(ConnectivityManager.EXTRA_OTHER_NETWORK_INFO, switchTo); |
| 1116 | } else { |
| 1117 | intent.putExtra(ConnectivityManager.EXTRA_NO_CONNECTIVITY, true); |
| 1118 | } |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 1119 | } |
Robert Greenwalt | cc4b401 | 2010-01-25 17:54:29 -0800 | [diff] [blame] | 1120 | |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 1121 | // do this before we broadcast the change |
| 1122 | handleConnectivityChange(); |
| 1123 | |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1124 | sendStickyBroadcast(intent); |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 1125 | /* |
| 1126 | * If the failover network is already connected, then immediately send |
| 1127 | * out a followup broadcast indicating successful failover |
| 1128 | */ |
| 1129 | if (newNet != null && newNet.getNetworkInfo().isConnected()) { |
| 1130 | sendConnectedBroadcast(newNet.getNetworkInfo()); |
| 1131 | } |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1132 | } |
| 1133 | |
| 1134 | private void sendStickyBroadcast(Intent intent) { |
| 1135 | synchronized(this) { |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 1136 | if (!mSystemReady) { |
| 1137 | mInitialBroadcast = new Intent(intent); |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1138 | } |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 1139 | intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); |
| 1140 | mContext.sendStickyBroadcast(intent); |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1141 | } |
| 1142 | } |
| 1143 | |
| 1144 | void systemReady() { |
| 1145 | synchronized(this) { |
| 1146 | mSystemReady = true; |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 1147 | if (mInitialBroadcast != null) { |
| 1148 | mContext.sendStickyBroadcast(mInitialBroadcast); |
| 1149 | mInitialBroadcast = null; |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1150 | } |
| 1151 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1152 | } |
| 1153 | |
| 1154 | private void handleConnect(NetworkInfo info) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1155 | int type = info.getType(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1156 | |
| 1157 | // snapshot isFailover, because sendConnectedBroadcast() resets it |
| 1158 | boolean isFailover = info.isFailover(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1159 | NetworkStateTracker thisNet = mNetTrackers[type]; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1160 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1161 | // if this is a default net and other default is running |
| 1162 | // kill the one not preferred |
| 1163 | if (mNetAttributes[type].isDefault()) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1164 | if (mActiveDefaultNetwork != -1 && mActiveDefaultNetwork != type) { |
| 1165 | if ((type != mNetworkPreference && |
| 1166 | mNetAttributes[mActiveDefaultNetwork].mPriority > |
| 1167 | mNetAttributes[type].mPriority) || |
| 1168 | mNetworkPreference == mActiveDefaultNetwork) { |
| 1169 | // don't accept this one |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1170 | if (DBG) Slog.v(TAG, "Not broadcasting CONNECT_ACTION " + |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1171 | "to torn down network " + info.getTypeName()); |
| 1172 | teardown(thisNet); |
| 1173 | return; |
| 1174 | } else { |
| 1175 | // tear down the other |
| 1176 | NetworkStateTracker otherNet = |
| 1177 | mNetTrackers[mActiveDefaultNetwork]; |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1178 | if (DBG) Slog.v(TAG, "Policy requires " + |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1179 | otherNet.getNetworkInfo().getTypeName() + |
| 1180 | " teardown"); |
| 1181 | if (!teardown(otherNet)) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1182 | Slog.e(TAG, "Network declined teardown request"); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1183 | return; |
| 1184 | } |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 1185 | } |
| 1186 | } |
| 1187 | synchronized (ConnectivityService.this) { |
| 1188 | // have a new default network, release the transition wakelock in a second |
| 1189 | // if it's held. The second pause is to allow apps to reconnect over the |
| 1190 | // new network |
| 1191 | if (mNetTransitionWakeLock.isHeld()) { |
| 1192 | mHandler.sendMessageDelayed(mHandler.obtainMessage( |
| 1193 | NetworkStateTracker.EVENT_CLEAR_NET_TRANSITION_WAKELOCK, |
| 1194 | mNetTransitionWakeLockSerialNumber, 0), |
| 1195 | 1000); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1196 | } |
| 1197 | } |
| 1198 | mActiveDefaultNetwork = type; |
| 1199 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1200 | thisNet.setTeardownRequested(false); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1201 | updateNetworkSettings(thisNet); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1202 | handleConnectivityChange(); |
| 1203 | sendConnectedBroadcast(info); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1204 | } |
| 1205 | |
| 1206 | private void handleScanResultsAvailable(NetworkInfo info) { |
| 1207 | int networkType = info.getType(); |
| 1208 | if (networkType != ConnectivityManager.TYPE_WIFI) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1209 | if (DBG) Slog.v(TAG, "Got ScanResultsAvailable for " + |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1210 | info.getTypeName() + " network. Don't know how to handle."); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1211 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1212 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1213 | mNetTrackers[networkType].interpretScanResultsAvailable(); |
| 1214 | } |
| 1215 | |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1216 | private void handleNotificationChange(boolean visible, int id, |
| 1217 | Notification notification) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1218 | NotificationManager notificationManager = (NotificationManager) mContext |
| 1219 | .getSystemService(Context.NOTIFICATION_SERVICE); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1220 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1221 | if (visible) { |
| 1222 | notificationManager.notify(id, notification); |
| 1223 | } else { |
| 1224 | notificationManager.cancel(id); |
| 1225 | } |
| 1226 | } |
| 1227 | |
| 1228 | /** |
| 1229 | * After any kind of change in the connectivity state of any network, |
| 1230 | * make sure that anything that depends on the connectivity state of |
| 1231 | * more than one network is set up correctly. We're mainly concerned |
| 1232 | * with making sure that the list of DNS servers is set up according |
| 1233 | * to which networks are connected, and ensuring that the right routing |
| 1234 | * table entries exist. |
| 1235 | */ |
| 1236 | private void handleConnectivityChange() { |
| 1237 | /* |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1238 | * If a non-default network is enabled, add the host routes that |
Robert Greenwalt | 1ef95f9 | 2009-09-30 21:01:30 -0700 | [diff] [blame] | 1239 | * will allow it's DNS servers to be accessed. Only |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1240 | * If both mobile and wifi are enabled, add the host routes that |
| 1241 | * will allow MMS traffic to pass on the mobile network. But |
| 1242 | * remove the default route for the mobile network, so that there |
| 1243 | * will be only one default route, to ensure that all traffic |
| 1244 | * except MMS will travel via Wi-Fi. |
| 1245 | */ |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1246 | handleDnsConfigurationChange(); |
| 1247 | |
| 1248 | for (int netType : mPriorityList) { |
| 1249 | if (mNetTrackers[netType].getNetworkInfo().isConnected()) { |
| 1250 | if (mNetAttributes[netType].isDefault()) { |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1251 | addDefaultRoute(mNetTrackers[netType]); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1252 | } else { |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1253 | addPrivateDnsRoutes(mNetTrackers[netType]); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1254 | } |
| 1255 | } else { |
| 1256 | if (mNetAttributes[netType].isDefault()) { |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1257 | removeDefaultRoute(mNetTrackers[netType]); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1258 | } else { |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1259 | removePrivateDnsRoutes(mNetTrackers[netType]); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1260 | } |
| 1261 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1262 | } |
| 1263 | } |
| 1264 | |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1265 | private void addPrivateDnsRoutes(NetworkStateTracker nt) { |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1266 | boolean privateDnsRouteSet = nt.isPrivateDnsRouteSet(); |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1267 | NetworkProperties p = nt.getNetworkProperties(); |
| 1268 | if (p == null) return; |
| 1269 | String interfaceName = p.getInterfaceName(); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1270 | |
| 1271 | if (DBG) { |
| 1272 | Slog.d(TAG, "addPrivateDnsRoutes for " + nt + |
| 1273 | "(" + interfaceName + ") - mPrivateDnsRouteSet = " + privateDnsRouteSet); |
| 1274 | } |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1275 | if (interfaceName != null && !privateDnsRouteSet) { |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1276 | Collection<InetAddress> dnsList = p.getDnses(); |
| 1277 | for (InetAddress dns : dnsList) { |
| 1278 | if (DBG) Slog.d(TAG, " adding " + dns); |
| 1279 | NetworkUtils.addHostRoute(interfaceName, dns); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1280 | } |
| 1281 | nt.privateDnsRouteSet(true); |
| 1282 | } |
| 1283 | } |
| 1284 | |
| 1285 | private void removePrivateDnsRoutes(NetworkStateTracker nt) { |
| 1286 | // TODO - we should do this explicitly but the NetUtils api doesnt |
| 1287 | // support this yet - must remove all. No worse than before |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1288 | NetworkProperties p = nt.getNetworkProperties(); |
| 1289 | if (p == null) return; |
| 1290 | String interfaceName = p.getInterfaceName(); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1291 | boolean privateDnsRouteSet = nt.isPrivateDnsRouteSet(); |
| 1292 | if (interfaceName != null && privateDnsRouteSet) { |
| 1293 | if (DBG) { |
| 1294 | Slog.d(TAG, "removePrivateDnsRoutes for " + nt.getNetworkInfo().getTypeName() + |
| 1295 | " (" + interfaceName + ")"); |
| 1296 | } |
| 1297 | NetworkUtils.removeHostRoutes(interfaceName); |
| 1298 | nt.privateDnsRouteSet(false); |
| 1299 | } |
| 1300 | } |
| 1301 | |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1302 | |
| 1303 | private void addDefaultRoute(NetworkStateTracker nt) { |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1304 | NetworkProperties p = nt.getNetworkProperties(); |
| 1305 | if (p == null) return; |
| 1306 | String interfaceName = p.getInterfaceName(); |
| 1307 | InetAddress defaultGatewayAddr = p.getGateway(); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1308 | boolean defaultRouteSet = nt.isDefaultRouteSet(); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1309 | |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1310 | if ((interfaceName != null) && (defaultGatewayAddr != null ) && |
| 1311 | (defaultRouteSet == false)) { |
| 1312 | boolean error = (NetworkUtils.setDefaultRoute(interfaceName, defaultGatewayAddr) < 0); |
| 1313 | |
| 1314 | if (DBG && !error) { |
| 1315 | NetworkInfo networkInfo = nt.getNetworkInfo(); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1316 | Slog.d(TAG, "addDefaultRoute for " + networkInfo.getTypeName() + |
| 1317 | " (" + interfaceName + "), GatewayAddr=" + defaultGatewayAddr); |
| 1318 | } |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1319 | nt.defaultRouteSet(!error); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1320 | } |
| 1321 | } |
| 1322 | |
| 1323 | |
| 1324 | public void removeDefaultRoute(NetworkStateTracker nt) { |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1325 | NetworkProperties p = nt.getNetworkProperties(); |
| 1326 | if (p == null) return; |
| 1327 | String interfaceName = p.getInterfaceName(); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1328 | boolean defaultRouteSet = nt.isDefaultRouteSet(); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1329 | |
| 1330 | if (interfaceName != null && defaultRouteSet == true) { |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1331 | boolean error = (NetworkUtils.removeDefaultRoute(interfaceName) < 0); |
| 1332 | if (DBG && !error) { |
| 1333 | NetworkInfo networkInfo = nt.getNetworkInfo(); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1334 | Slog.d(TAG, "removeDefaultRoute for " + networkInfo.getTypeName() + " (" + |
| 1335 | interfaceName + ")"); |
| 1336 | } |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1337 | nt.defaultRouteSet(error); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1338 | } |
| 1339 | } |
| 1340 | |
| 1341 | /** |
| 1342 | * Reads the network specific TCP buffer sizes from SystemProperties |
| 1343 | * net.tcp.buffersize.[default|wifi|umts|edge|gprs] and set them for system |
| 1344 | * wide use |
| 1345 | */ |
| 1346 | public void updateNetworkSettings(NetworkStateTracker nt) { |
| 1347 | String key = nt.getTcpBufferSizesPropName(); |
| 1348 | String bufferSizes = SystemProperties.get(key); |
| 1349 | |
| 1350 | if (bufferSizes.length() == 0) { |
| 1351 | Slog.e(TAG, key + " not found in system properties. Using defaults"); |
| 1352 | |
| 1353 | // Setting to default values so we won't be stuck to previous values |
| 1354 | key = "net.tcp.buffersize.default"; |
| 1355 | bufferSizes = SystemProperties.get(key); |
| 1356 | } |
| 1357 | |
| 1358 | // Set values in kernel |
| 1359 | if (bufferSizes.length() != 0) { |
| 1360 | if (DBG) { |
| 1361 | Slog.v(TAG, "Setting TCP values: [" + bufferSizes |
| 1362 | + "] which comes from [" + key + "]"); |
| 1363 | } |
| 1364 | setBufferSize(bufferSizes); |
| 1365 | } |
| 1366 | } |
| 1367 | |
| 1368 | /** |
| 1369 | * Writes TCP buffer sizes to /sys/kernel/ipv4/tcp_[r/w]mem_[min/def/max] |
| 1370 | * which maps to /proc/sys/net/ipv4/tcp_rmem and tcpwmem |
| 1371 | * |
| 1372 | * @param bufferSizes in the format of "readMin, readInitial, readMax, |
| 1373 | * writeMin, writeInitial, writeMax" |
| 1374 | */ |
| 1375 | private void setBufferSize(String bufferSizes) { |
| 1376 | try { |
| 1377 | String[] values = bufferSizes.split(","); |
| 1378 | |
| 1379 | if (values.length == 6) { |
| 1380 | final String prefix = "/sys/kernel/ipv4/tcp_"; |
| 1381 | stringToFile(prefix + "rmem_min", values[0]); |
| 1382 | stringToFile(prefix + "rmem_def", values[1]); |
| 1383 | stringToFile(prefix + "rmem_max", values[2]); |
| 1384 | stringToFile(prefix + "wmem_min", values[3]); |
| 1385 | stringToFile(prefix + "wmem_def", values[4]); |
| 1386 | stringToFile(prefix + "wmem_max", values[5]); |
| 1387 | } else { |
| 1388 | Slog.e(TAG, "Invalid buffersize string: " + bufferSizes); |
| 1389 | } |
| 1390 | } catch (IOException e) { |
| 1391 | Slog.e(TAG, "Can't set tcp buffer sizes:" + e); |
| 1392 | } |
| 1393 | } |
| 1394 | |
| 1395 | /** |
| 1396 | * Writes string to file. Basically same as "echo -n $string > $filename" |
| 1397 | * |
| 1398 | * @param filename |
| 1399 | * @param string |
| 1400 | * @throws IOException |
| 1401 | */ |
| 1402 | private void stringToFile(String filename, String string) throws IOException { |
| 1403 | FileWriter out = new FileWriter(filename); |
| 1404 | try { |
| 1405 | out.write(string); |
| 1406 | } finally { |
| 1407 | out.close(); |
| 1408 | } |
| 1409 | } |
| 1410 | |
| 1411 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1412 | /** |
| 1413 | * Adjust the per-process dns entries (net.dns<x>.<pid>) based |
| 1414 | * on the highest priority active net which this process requested. |
| 1415 | * If there aren't any, clear it out |
| 1416 | */ |
| 1417 | private void reassessPidDns(int myPid, boolean doBump) |
| 1418 | { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1419 | if (DBG) Slog.d(TAG, "reassessPidDns for pid " + myPid); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1420 | for(int i : mPriorityList) { |
| 1421 | if (mNetAttributes[i].isDefault()) { |
| 1422 | continue; |
| 1423 | } |
| 1424 | NetworkStateTracker nt = mNetTrackers[i]; |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1425 | if (nt.getNetworkInfo().isConnected() && |
| 1426 | !nt.isTeardownRequested()) { |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1427 | NetworkProperties p = nt.getNetworkProperties(); |
| 1428 | if (p == null) continue; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1429 | List pids = mNetRequestersPids[i]; |
| 1430 | for (int j=0; j<pids.size(); j++) { |
| 1431 | Integer pid = (Integer)pids.get(j); |
| 1432 | if (pid.intValue() == myPid) { |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1433 | Collection<InetAddress> dnses = p.getDnses(); |
| 1434 | writePidDns(dnses, myPid); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1435 | if (doBump) { |
| 1436 | bumpDns(); |
| 1437 | } |
| 1438 | return; |
| 1439 | } |
| 1440 | } |
| 1441 | } |
| 1442 | } |
| 1443 | // nothing found - delete |
| 1444 | for (int i = 1; ; i++) { |
| 1445 | String prop = "net.dns" + i + "." + myPid; |
| 1446 | if (SystemProperties.get(prop).length() == 0) { |
| 1447 | if (doBump) { |
| 1448 | bumpDns(); |
| 1449 | } |
| 1450 | return; |
| 1451 | } |
| 1452 | SystemProperties.set(prop, ""); |
| 1453 | } |
| 1454 | } |
| 1455 | |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1456 | private void writePidDns(Collection <InetAddress> dnses, int pid) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1457 | int j = 1; |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1458 | for (InetAddress dns : dnses) { |
| 1459 | SystemProperties.set("net.dns" + j++ + "." + pid, dns.getHostAddress()); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1460 | } |
| 1461 | } |
| 1462 | |
| 1463 | private void bumpDns() { |
| 1464 | /* |
| 1465 | * Bump the property that tells the name resolver library to reread |
| 1466 | * the DNS server list from the properties. |
| 1467 | */ |
| 1468 | String propVal = SystemProperties.get("net.dnschange"); |
| 1469 | int n = 0; |
| 1470 | if (propVal.length() != 0) { |
| 1471 | try { |
| 1472 | n = Integer.parseInt(propVal); |
| 1473 | } catch (NumberFormatException e) {} |
| 1474 | } |
| 1475 | SystemProperties.set("net.dnschange", "" + (n+1)); |
| 1476 | } |
| 1477 | |
| 1478 | private void handleDnsConfigurationChange() { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1479 | // add default net's dns entries |
| 1480 | for (int x = mPriorityList.length-1; x>= 0; x--) { |
| 1481 | int netType = mPriorityList[x]; |
| 1482 | NetworkStateTracker nt = mNetTrackers[netType]; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1483 | if (nt != null && nt.getNetworkInfo().isConnected() && |
| 1484 | !nt.isTeardownRequested()) { |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1485 | NetworkProperties p = nt.getNetworkProperties(); |
| 1486 | if (p == null) continue; |
| 1487 | Collection<InetAddress> dnses = p.getDnses(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1488 | if (mNetAttributes[netType].isDefault()) { |
| 1489 | int j = 1; |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1490 | for (InetAddress dns : dnses) { |
| 1491 | if (DBG) { |
| 1492 | Slog.d(TAG, "adding dns " + dns + " for " + |
| 1493 | nt.getNetworkInfo().getTypeName()); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1494 | } |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1495 | SystemProperties.set("net.dns" + j++, dns.getHostAddress()); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1496 | } |
| 1497 | for (int k=j ; k<mNumDnsEntries; k++) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1498 | if (DBG) Slog.d(TAG, "erasing net.dns" + k); |
Robert Greenwalt | b06324a | 2009-08-25 14:00:10 -0700 | [diff] [blame] | 1499 | SystemProperties.set("net.dns" + k, ""); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1500 | } |
| 1501 | mNumDnsEntries = j; |
| 1502 | } else { |
| 1503 | // set per-pid dns for attached secondary nets |
| 1504 | List pids = mNetRequestersPids[netType]; |
| 1505 | for (int y=0; y< pids.size(); y++) { |
| 1506 | Integer pid = (Integer)pids.get(y); |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1507 | writePidDns(dnses, pid.intValue()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1508 | } |
| 1509 | } |
| 1510 | } |
| 1511 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1512 | |
| 1513 | bumpDns(); |
| 1514 | } |
| 1515 | |
| 1516 | private int getRestoreDefaultNetworkDelay() { |
| 1517 | String restoreDefaultNetworkDelayStr = SystemProperties.get( |
| 1518 | NETWORK_RESTORE_DELAY_PROP_NAME); |
| 1519 | if(restoreDefaultNetworkDelayStr != null && |
| 1520 | restoreDefaultNetworkDelayStr.length() != 0) { |
| 1521 | try { |
| 1522 | return Integer.valueOf(restoreDefaultNetworkDelayStr); |
| 1523 | } catch (NumberFormatException e) { |
| 1524 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1525 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1526 | return RESTORE_DEFAULT_NETWORK_DELAY; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1527 | } |
| 1528 | |
| 1529 | @Override |
| 1530 | protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1531 | if (mContext.checkCallingOrSelfPermission( |
| 1532 | android.Manifest.permission.DUMP) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1533 | != PackageManager.PERMISSION_GRANTED) { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1534 | pw.println("Permission Denial: can't dump ConnectivityService " + |
| 1535 | "from from pid=" + Binder.getCallingPid() + ", uid=" + |
| 1536 | Binder.getCallingUid()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1537 | return; |
| 1538 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1539 | pw.println(); |
| 1540 | for (NetworkStateTracker nst : mNetTrackers) { |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 1541 | if (nst != null) { |
| 1542 | if (nst.getNetworkInfo().isConnected()) { |
| 1543 | pw.println("Active network: " + nst.getNetworkInfo(). |
| 1544 | getTypeName()); |
| 1545 | } |
| 1546 | pw.println(nst.getNetworkInfo()); |
| 1547 | pw.println(nst); |
| 1548 | pw.println(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1549 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1550 | } |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 1551 | |
| 1552 | pw.println("Network Requester Pids:"); |
| 1553 | for (int net : mPriorityList) { |
| 1554 | String pidString = net + ": "; |
| 1555 | for (Object pid : mNetRequestersPids[net]) { |
| 1556 | pidString = pidString + pid.toString() + ", "; |
| 1557 | } |
| 1558 | pw.println(pidString); |
| 1559 | } |
| 1560 | pw.println(); |
| 1561 | |
| 1562 | pw.println("FeatureUsers:"); |
| 1563 | for (Object requester : mFeatureUsers) { |
| 1564 | pw.println(requester.toString()); |
| 1565 | } |
| 1566 | pw.println(); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1567 | |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 1568 | synchronized (this) { |
| 1569 | pw.println("NetworkTranstionWakeLock is currently " + |
| 1570 | (mNetTransitionWakeLock.isHeld() ? "" : "not ") + "held."); |
| 1571 | pw.println("It was last requested for "+mNetTransitionWakeLockCausedBy); |
| 1572 | } |
| 1573 | pw.println(); |
| 1574 | |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1575 | mTethering.dump(fd, pw, args); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1576 | } |
| 1577 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1578 | // must be stateless - things change under us. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1579 | private class MyHandler extends Handler { |
| 1580 | @Override |
| 1581 | public void handleMessage(Message msg) { |
| 1582 | NetworkInfo info; |
| 1583 | switch (msg.what) { |
| 1584 | case NetworkStateTracker.EVENT_STATE_CHANGED: |
| 1585 | info = (NetworkInfo) msg.obj; |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1586 | int type = info.getType(); |
| 1587 | NetworkInfo.State state = info.getState(); |
Robert Greenwalt | 6e6dec2 | 2010-01-25 16:14:00 -0800 | [diff] [blame] | 1588 | // only do this optimization for wifi. It going into scan mode for location |
| 1589 | // services generates alot of noise. Meanwhile the mms apn won't send out |
| 1590 | // subsequent notifications when on default cellular because it never |
| 1591 | // disconnects.. so only do this to wifi notifications. Fixed better when the |
| 1592 | // APN notifications are standardized. |
| 1593 | if (mNetAttributes[type].mLastState == state && |
| 1594 | mNetAttributes[type].mRadio == ConnectivityManager.TYPE_WIFI) { |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1595 | if (DBG) { |
Robert Greenwalt | 6e6dec2 | 2010-01-25 16:14:00 -0800 | [diff] [blame] | 1596 | // TODO - remove this after we validate the dropping doesn't break |
| 1597 | // anything |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1598 | Slog.d(TAG, "Dropping ConnectivityChange for " + |
Robert Greenwalt | 1193ae4 | 2010-01-13 09:36:31 -0800 | [diff] [blame] | 1599 | info.getTypeName() + ": " + |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1600 | state + "/" + info.getDetailedState()); |
| 1601 | } |
| 1602 | return; |
| 1603 | } |
| 1604 | mNetAttributes[type].mLastState = state; |
| 1605 | |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1606 | if (DBG) Slog.d(TAG, "ConnectivityChange for " + |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1607 | info.getTypeName() + ": " + |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1608 | state + "/" + info.getDetailedState()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1609 | |
| 1610 | // Connectivity state changed: |
| 1611 | // [31-13] Reserved for future use |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1612 | // [12-9] Network subtype (for mobile network, as defined |
| 1613 | // by TelephonyManager) |
| 1614 | // [8-3] Detailed state ordinal (as defined by |
| 1615 | // NetworkInfo.DetailedState) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1616 | // [2-0] Network type (as defined by ConnectivityManager) |
| 1617 | int eventLogParam = (info.getType() & 0x7) | |
| 1618 | ((info.getDetailedState().ordinal() & 0x3f) << 3) | |
| 1619 | (info.getSubtype() << 9); |
Doug Zongker | ab5c49c | 2009-12-04 10:31:43 -0800 | [diff] [blame] | 1620 | EventLog.writeEvent(EventLogTags.CONNECTIVITY_STATE_CHANGED, |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1621 | eventLogParam); |
| 1622 | |
| 1623 | if (info.getDetailedState() == |
| 1624 | NetworkInfo.DetailedState.FAILED) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1625 | handleConnectionFailure(info); |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1626 | } else if (state == NetworkInfo.State.DISCONNECTED) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1627 | handleDisconnect(info); |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1628 | } else if (state == NetworkInfo.State.SUSPENDED) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1629 | // TODO: need to think this over. |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1630 | // the logic here is, handle SUSPENDED the same as |
| 1631 | // DISCONNECTED. The only difference being we are |
| 1632 | // broadcasting an intent with NetworkInfo that's |
| 1633 | // suspended. This allows the applications an |
| 1634 | // opportunity to handle DISCONNECTED and SUSPENDED |
| 1635 | // differently, or not. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1636 | handleDisconnect(info); |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1637 | } else if (state == NetworkInfo.State.CONNECTED) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1638 | handleConnect(info); |
| 1639 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1640 | break; |
| 1641 | |
| 1642 | case NetworkStateTracker.EVENT_SCAN_RESULTS_AVAILABLE: |
| 1643 | info = (NetworkInfo) msg.obj; |
| 1644 | handleScanResultsAvailable(info); |
| 1645 | break; |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1646 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1647 | case NetworkStateTracker.EVENT_NOTIFICATION_CHANGED: |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1648 | handleNotificationChange(msg.arg1 == 1, msg.arg2, |
| 1649 | (Notification) msg.obj); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1650 | |
| 1651 | case NetworkStateTracker.EVENT_CONFIGURATION_CHANGED: |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1652 | handleDnsConfigurationChange(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1653 | break; |
| 1654 | |
| 1655 | case NetworkStateTracker.EVENT_ROAMING_CHANGED: |
| 1656 | // fill me in |
| 1657 | break; |
| 1658 | |
| 1659 | case NetworkStateTracker.EVENT_NETWORK_SUBTYPE_CHANGED: |
| 1660 | // fill me in |
| 1661 | break; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1662 | case NetworkStateTracker.EVENT_RESTORE_DEFAULT_NETWORK: |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 1663 | FeatureUser u = (FeatureUser)msg.obj; |
| 1664 | u.expire(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1665 | break; |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 1666 | case NetworkStateTracker.EVENT_CLEAR_NET_TRANSITION_WAKELOCK: |
| 1667 | String causedBy = null; |
| 1668 | synchronized (ConnectivityService.this) { |
| 1669 | if (msg.arg1 == mNetTransitionWakeLockSerialNumber && |
| 1670 | mNetTransitionWakeLock.isHeld()) { |
| 1671 | mNetTransitionWakeLock.release(); |
| 1672 | causedBy = mNetTransitionWakeLockCausedBy; |
| 1673 | } |
| 1674 | } |
| 1675 | if (causedBy != null) { |
| 1676 | Slog.d(TAG, "NetTransition Wakelock for " + |
| 1677 | causedBy + " released by timeout"); |
| 1678 | } |
| 1679 | break; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1680 | } |
| 1681 | } |
| 1682 | } |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 1683 | |
| 1684 | // javadoc from interface |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 1685 | public int tether(String iface) { |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 1686 | enforceTetherChangePermission(); |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 1687 | |
| 1688 | if (isTetheringSupported()) { |
| 1689 | return mTethering.tether(iface); |
| 1690 | } else { |
| 1691 | return ConnectivityManager.TETHER_ERROR_UNSUPPORTED; |
| 1692 | } |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 1693 | } |
| 1694 | |
| 1695 | // javadoc from interface |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 1696 | public int untether(String iface) { |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 1697 | enforceTetherChangePermission(); |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 1698 | |
| 1699 | if (isTetheringSupported()) { |
| 1700 | return mTethering.untether(iface); |
| 1701 | } else { |
| 1702 | return ConnectivityManager.TETHER_ERROR_UNSUPPORTED; |
| 1703 | } |
| 1704 | } |
| 1705 | |
| 1706 | // javadoc from interface |
| 1707 | public int getLastTetherError(String iface) { |
| 1708 | enforceTetherAccessPermission(); |
| 1709 | |
| 1710 | if (isTetheringSupported()) { |
| 1711 | return mTethering.getLastTetherError(iface); |
| 1712 | } else { |
| 1713 | return ConnectivityManager.TETHER_ERROR_UNSUPPORTED; |
| 1714 | } |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1715 | } |
| 1716 | |
| 1717 | // TODO - proper iface API for selection by property, inspection, etc |
| 1718 | public String[] getTetherableUsbRegexs() { |
| 1719 | enforceTetherAccessPermission(); |
| 1720 | if (isTetheringSupported()) { |
| 1721 | return mTethering.getTetherableUsbRegexs(); |
| 1722 | } else { |
| 1723 | return new String[0]; |
| 1724 | } |
| 1725 | } |
| 1726 | |
| 1727 | public String[] getTetherableWifiRegexs() { |
| 1728 | enforceTetherAccessPermission(); |
| 1729 | if (isTetheringSupported()) { |
| 1730 | return mTethering.getTetherableWifiRegexs(); |
| 1731 | } else { |
| 1732 | return new String[0]; |
| 1733 | } |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 1734 | } |
| 1735 | |
| 1736 | // TODO - move iface listing, queries, etc to new module |
| 1737 | // javadoc from interface |
| 1738 | public String[] getTetherableIfaces() { |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1739 | enforceTetherAccessPermission(); |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 1740 | return mTethering.getTetherableIfaces(); |
| 1741 | } |
| 1742 | |
| 1743 | public String[] getTetheredIfaces() { |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1744 | enforceTetherAccessPermission(); |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 1745 | return mTethering.getTetheredIfaces(); |
| 1746 | } |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1747 | |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 1748 | public String[] getTetheringErroredIfaces() { |
| 1749 | enforceTetherAccessPermission(); |
| 1750 | return mTethering.getErroredIfaces(); |
| 1751 | } |
| 1752 | |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1753 | // if ro.tether.denied = true we default to no tethering |
| 1754 | // gservices could set the secure setting to 1 though to enable it on a build where it |
| 1755 | // had previously been turned off. |
| 1756 | public boolean isTetheringSupported() { |
| 1757 | enforceTetherAccessPermission(); |
| 1758 | int defaultVal = (SystemProperties.get("ro.tether.denied").equals("true") ? 0 : 1); |
Robert Greenwalt | c9d5fb7 | 2010-02-25 12:29:30 -0800 | [diff] [blame] | 1759 | boolean tetherEnabledInSettings = (Settings.Secure.getInt(mContext.getContentResolver(), |
| 1760 | Settings.Secure.TETHER_SUPPORTED, defaultVal) != 0); |
| 1761 | return tetherEnabledInSettings && mTetheringConfigValid; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1762 | } |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 1763 | |
| 1764 | // An API NetworkStateTrackers can call when they lose their network. |
| 1765 | // This will automatically be cleared after X seconds or a network becomes CONNECTED, |
| 1766 | // whichever happens first. The timer is started by the first caller and not |
| 1767 | // restarted by subsequent callers. |
| 1768 | public void requestNetworkTransitionWakelock(String forWhom) { |
| 1769 | enforceConnectivityInternalPermission(); |
| 1770 | synchronized (this) { |
| 1771 | if (mNetTransitionWakeLock.isHeld()) return; |
| 1772 | mNetTransitionWakeLockSerialNumber++; |
| 1773 | mNetTransitionWakeLock.acquire(); |
| 1774 | mNetTransitionWakeLockCausedBy = forWhom; |
| 1775 | } |
| 1776 | mHandler.sendMessageDelayed(mHandler.obtainMessage( |
| 1777 | NetworkStateTracker.EVENT_CLEAR_NET_TRANSITION_WAKELOCK, |
| 1778 | mNetTransitionWakeLockSerialNumber, 0), |
| 1779 | mNetTransitionWakeLockTimeout); |
| 1780 | return; |
| 1781 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1782 | } |