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 | 37e65eb | 2010-08-30 10:56:47 -0700 | [diff] [blame] | 29 | import android.net.LinkProperties; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 30 | import android.net.NetworkStateTracker; |
Robert Greenwalt | 585ac0f | 2010-08-27 09:24:29 -0700 | [diff] [blame] | 31 | import android.net.NetworkUtils; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 32 | import android.net.wifi.WifiStateTracker; |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 33 | import android.net.NetworkUtils; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 34 | import android.os.Binder; |
| 35 | import android.os.Handler; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 36 | import android.os.IBinder; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 37 | import android.os.Looper; |
| 38 | import android.os.Message; |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 39 | import android.os.PowerManager; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 40 | import android.os.RemoteException; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 41 | import android.os.ServiceManager; |
| 42 | import android.os.SystemProperties; |
| 43 | import android.provider.Settings; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 44 | import android.text.TextUtils; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 45 | import android.util.EventLog; |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 46 | import android.util.Slog; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 47 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 48 | import com.android.internal.telephony.Phone; |
| 49 | |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 50 | import com.android.server.connectivity.Tethering; |
| 51 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 52 | import java.io.FileDescriptor; |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 53 | import java.io.FileWriter; |
| 54 | import java.io.IOException; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 55 | import java.io.PrintWriter; |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 56 | import java.net.InetAddress; |
| 57 | import java.net.UnknownHostException; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 58 | import java.util.ArrayList; |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 59 | import java.util.Collection; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 60 | import java.util.List; |
Robert Greenwalt | 585ac0f | 2010-08-27 09:24:29 -0700 | [diff] [blame] | 61 | import java.net.InetAddress; |
| 62 | import java.net.UnknownHostException; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 63 | |
| 64 | /** |
| 65 | * @hide |
| 66 | */ |
| 67 | public class ConnectivityService extends IConnectivityManager.Stub { |
| 68 | |
Robert Greenwalt | d8df149 | 2009-10-06 14:12:53 -0700 | [diff] [blame] | 69 | private static final boolean DBG = true; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 70 | private static final String TAG = "ConnectivityService"; |
| 71 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 72 | // how long to wait before switching back to a radio's default network |
| 73 | private static final int RESTORE_DEFAULT_NETWORK_DELAY = 1 * 60 * 1000; |
| 74 | // system property that can override the above value |
| 75 | private static final String NETWORK_RESTORE_DELAY_PROP_NAME = |
| 76 | "android.telephony.apn-restore"; |
| 77 | |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 78 | private Tethering mTethering; |
Robert Greenwalt | c9d5fb7 | 2010-02-25 12:29:30 -0800 | [diff] [blame] | 79 | private boolean mTetheringConfigValid = false; |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 80 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 81 | /** |
| 82 | * Sometimes we want to refer to the individual network state |
| 83 | * trackers separately, and sometimes we just want to treat them |
| 84 | * abstractly. |
| 85 | */ |
| 86 | private NetworkStateTracker mNetTrackers[]; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 87 | |
| 88 | /** |
| 89 | * A per Net list of the PID's that requested access to the net |
| 90 | * used both as a refcount and for per-PID DNS selection |
| 91 | */ |
| 92 | private List mNetRequestersPids[]; |
| 93 | |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 94 | private WifiWatchdogService mWifiWatchdogService; |
| 95 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 96 | // priority order of the nettrackers |
| 97 | // (excluding dynamically set mNetworkPreference) |
| 98 | // TODO - move mNetworkTypePreference into this |
| 99 | private int[] mPriorityList; |
| 100 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 101 | private Context mContext; |
| 102 | private int mNetworkPreference; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 103 | private int mActiveDefaultNetwork = -1; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 104 | |
| 105 | private int mNumDnsEntries; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 106 | |
| 107 | private boolean mTestMode; |
Joe Onorato | 0009287 | 2010-09-01 21:18:22 -0700 | [diff] [blame] | 108 | private static ConnectivityService sServiceInstance; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 109 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 110 | private Handler mHandler; |
| 111 | |
| 112 | // list of DeathRecipients used to make sure features are turned off when |
| 113 | // a process dies |
| 114 | private List mFeatureUsers; |
| 115 | |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 116 | private boolean mSystemReady; |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 117 | private Intent mInitialBroadcast; |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 118 | |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 119 | private PowerManager.WakeLock mNetTransitionWakeLock; |
| 120 | private String mNetTransitionWakeLockCausedBy = ""; |
| 121 | private int mNetTransitionWakeLockSerialNumber; |
| 122 | private int mNetTransitionWakeLockTimeout; |
| 123 | |
Robert Greenwalt | e90aa5e | 2010-09-01 11:34:05 -0700 | [diff] [blame] | 124 | private InetAddress mDefaultDns; |
| 125 | |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 126 | private static class NetworkAttributes { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 127 | /** |
| 128 | * Class for holding settings read from resources. |
| 129 | */ |
| 130 | public String mName; |
| 131 | public int mType; |
| 132 | public int mRadio; |
| 133 | public int mPriority; |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 134 | public NetworkInfo.State mLastState; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 135 | public NetworkAttributes(String init) { |
| 136 | String fragments[] = init.split(","); |
| 137 | mName = fragments[0].toLowerCase(); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 138 | mType = Integer.parseInt(fragments[1]); |
| 139 | mRadio = Integer.parseInt(fragments[2]); |
| 140 | mPriority = Integer.parseInt(fragments[3]); |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 141 | mLastState = NetworkInfo.State.UNKNOWN; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 142 | } |
| 143 | public boolean isDefault() { |
| 144 | return (mType == mRadio); |
| 145 | } |
| 146 | } |
| 147 | NetworkAttributes[] mNetAttributes; |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 148 | int mNetworksDefined; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 149 | |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 150 | private static class RadioAttributes { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 151 | public int mSimultaneity; |
| 152 | public int mType; |
| 153 | public RadioAttributes(String init) { |
| 154 | String fragments[] = init.split(","); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 155 | mType = Integer.parseInt(fragments[0]); |
| 156 | mSimultaneity = Integer.parseInt(fragments[1]); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 157 | } |
| 158 | } |
| 159 | RadioAttributes[] mRadioAttributes; |
| 160 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 161 | private static class ConnectivityThread extends Thread { |
| 162 | private Context mContext; |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 163 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 164 | private ConnectivityThread(Context context) { |
| 165 | super("ConnectivityThread"); |
| 166 | mContext = context; |
| 167 | } |
| 168 | |
| 169 | @Override |
| 170 | public void run() { |
| 171 | Looper.prepare(); |
| 172 | synchronized (this) { |
| 173 | sServiceInstance = new ConnectivityService(mContext); |
| 174 | notifyAll(); |
| 175 | } |
| 176 | Looper.loop(); |
| 177 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 178 | |
Joe Onorato | 0009287 | 2010-09-01 21:18:22 -0700 | [diff] [blame] | 179 | public static ConnectivityService getServiceInstance(Context context) { |
| 180 | ConnectivityThread thread = new ConnectivityThread(context); |
| 181 | thread.start(); |
| 182 | |
| 183 | synchronized (thread) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 184 | while (sServiceInstance == null) { |
| 185 | try { |
| 186 | // Wait until sServiceInstance has been initialized. |
| 187 | thread.wait(); |
| 188 | } catch (InterruptedException ignore) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 189 | Slog.e(TAG, |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 190 | "Unexpected InterruptedException while waiting"+ |
| 191 | " for ConnectivityService thread"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 192 | } |
| 193 | } |
| 194 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 195 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 196 | return sServiceInstance; |
| 197 | } |
| 198 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 199 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 200 | public static ConnectivityService getInstance(Context context) { |
| 201 | return ConnectivityThread.getServiceInstance(context); |
| 202 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 203 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 204 | private ConnectivityService(Context context) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 205 | if (DBG) Slog.v(TAG, "ConnectivityService starting up"); |
Robert Greenwalt | de8383c | 2010-01-14 17:47:58 -0800 | [diff] [blame] | 206 | |
| 207 | // setup our unique device name |
| 208 | String id = Settings.Secure.getString(context.getContentResolver(), |
| 209 | Settings.Secure.ANDROID_ID); |
| 210 | if (id != null && id.length() > 0) { |
| 211 | String name = new String("android_").concat(id); |
| 212 | SystemProperties.set("net.hostname", name); |
| 213 | } |
| 214 | |
Robert Greenwalt | e90aa5e | 2010-09-01 11:34:05 -0700 | [diff] [blame] | 215 | // read our default dns server ip |
| 216 | String dns = Settings.Secure.getString(context.getContentResolver(), |
| 217 | Settings.Secure.DEFAULT_DNS_SERVER); |
| 218 | if (dns == null || dns.length() == 0) { |
| 219 | dns = context.getResources().getString( |
| 220 | com.android.internal.R.string.config_default_dns_server); |
| 221 | } |
| 222 | try { |
| 223 | mDefaultDns = InetAddress.getByName(dns); |
| 224 | } catch (UnknownHostException e) { |
| 225 | Slog.e(TAG, "Error setting defaultDns using " + dns); |
| 226 | } |
| 227 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 228 | mContext = context; |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 229 | |
| 230 | PowerManager powerManager = (PowerManager)mContext.getSystemService(Context.POWER_SERVICE); |
| 231 | mNetTransitionWakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, TAG); |
| 232 | mNetTransitionWakeLockTimeout = mContext.getResources().getInteger( |
| 233 | com.android.internal.R.integer.config_networkTransitionTimeout); |
| 234 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 235 | mNetTrackers = new NetworkStateTracker[ |
| 236 | ConnectivityManager.MAX_NETWORK_TYPE+1]; |
| 237 | mHandler = new MyHandler(); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 238 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 239 | mNetworkPreference = getPersistedNetworkPreference(); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 240 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 241 | mRadioAttributes = new RadioAttributes[ConnectivityManager.MAX_RADIO_TYPE+1]; |
| 242 | mNetAttributes = new NetworkAttributes[ConnectivityManager.MAX_NETWORK_TYPE+1]; |
| 243 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 244 | // Load device network attributes from resources |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 245 | String[] raStrings = context.getResources().getStringArray( |
| 246 | com.android.internal.R.array.radioAttributes); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 247 | for (String raString : raStrings) { |
| 248 | RadioAttributes r = new RadioAttributes(raString); |
| 249 | if (r.mType > ConnectivityManager.MAX_RADIO_TYPE) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 250 | 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] | 251 | continue; |
| 252 | } |
| 253 | if (mRadioAttributes[r.mType] != null) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 254 | Slog.e(TAG, "Error in radioAttributes - ignoring attempt to redefine type " + |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 255 | r.mType); |
| 256 | continue; |
| 257 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 258 | mRadioAttributes[r.mType] = r; |
| 259 | } |
| 260 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 261 | String[] naStrings = context.getResources().getStringArray( |
| 262 | com.android.internal.R.array.networkAttributes); |
| 263 | for (String naString : naStrings) { |
| 264 | try { |
| 265 | NetworkAttributes n = new NetworkAttributes(naString); |
| 266 | if (n.mType > ConnectivityManager.MAX_NETWORK_TYPE) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 267 | Slog.e(TAG, "Error in networkAttributes - ignoring attempt to define type " + |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 268 | n.mType); |
| 269 | continue; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 270 | } |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 271 | if (mNetAttributes[n.mType] != null) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 272 | Slog.e(TAG, "Error in networkAttributes - ignoring attempt to redefine type " + |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 273 | n.mType); |
| 274 | continue; |
| 275 | } |
| 276 | if (mRadioAttributes[n.mRadio] == null) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 277 | Slog.e(TAG, "Error in networkAttributes - ignoring attempt to use undefined " + |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 278 | "radio " + n.mRadio + " in network type " + n.mType); |
| 279 | continue; |
| 280 | } |
| 281 | mNetAttributes[n.mType] = n; |
| 282 | mNetworksDefined++; |
| 283 | } catch(Exception e) { |
| 284 | // ignore it - leave the entry null |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 285 | } |
| 286 | } |
| 287 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 288 | // high priority first |
| 289 | mPriorityList = new int[mNetworksDefined]; |
| 290 | { |
| 291 | int insertionPoint = mNetworksDefined-1; |
| 292 | int currentLowest = 0; |
| 293 | int nextLowest = 0; |
| 294 | while (insertionPoint > -1) { |
| 295 | for (NetworkAttributes na : mNetAttributes) { |
| 296 | if (na == null) continue; |
| 297 | if (na.mPriority < currentLowest) continue; |
| 298 | if (na.mPriority > currentLowest) { |
| 299 | if (na.mPriority < nextLowest || nextLowest == 0) { |
| 300 | nextLowest = na.mPriority; |
| 301 | } |
| 302 | continue; |
| 303 | } |
| 304 | mPriorityList[insertionPoint--] = na.mType; |
| 305 | } |
| 306 | currentLowest = nextLowest; |
| 307 | nextLowest = 0; |
| 308 | } |
| 309 | } |
| 310 | |
| 311 | mNetRequestersPids = new ArrayList[ConnectivityManager.MAX_NETWORK_TYPE+1]; |
| 312 | for (int i : mPriorityList) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 313 | mNetRequestersPids[i] = new ArrayList(); |
| 314 | } |
| 315 | |
| 316 | mFeatureUsers = new ArrayList(); |
| 317 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 318 | mNumDnsEntries = 0; |
| 319 | |
| 320 | mTestMode = SystemProperties.get("cm.test.mode").equals("true") |
| 321 | && SystemProperties.get("ro.build.type").equals("eng"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 322 | /* |
| 323 | * Create the network state trackers for Wi-Fi and mobile |
| 324 | * data. Maybe this could be done with a factory class, |
| 325 | * but it's not clear that it's worth it, given that |
| 326 | * the number of different network types is not going |
| 327 | * to change very often. |
| 328 | */ |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 329 | boolean noMobileData = !getMobileDataEnabled(); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 330 | for (int netType : mPriorityList) { |
| 331 | switch (mNetAttributes[netType].mRadio) { |
| 332 | case ConnectivityManager.TYPE_WIFI: |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 333 | if (DBG) Slog.v(TAG, "Starting Wifi Service."); |
Wink Saville | c7a9834 | 2010-08-13 16:11:42 -0700 | [diff] [blame] | 334 | WifiStateTracker wst = new WifiStateTracker(); |
Irfan Sheriff | 0d25534 | 2010-07-28 09:35:20 -0700 | [diff] [blame] | 335 | WifiService wifiService = new WifiService(context); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 336 | ServiceManager.addService(Context.WIFI_SERVICE, wifiService); |
Irfan Sheriff | 0d25534 | 2010-07-28 09:35:20 -0700 | [diff] [blame] | 337 | wifiService.checkAndStartWifi(); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 338 | mNetTrackers[ConnectivityManager.TYPE_WIFI] = wst; |
Wink Saville | c7a9834 | 2010-08-13 16:11:42 -0700 | [diff] [blame] | 339 | wst.startMonitoring(context, mHandler); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 340 | |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 341 | //TODO: as part of WWS refactor, create only when needed |
Irfan Sheriff | 0d25534 | 2010-07-28 09:35:20 -0700 | [diff] [blame] | 342 | mWifiWatchdogService = new WifiWatchdogService(context); |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 343 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 344 | break; |
| 345 | case ConnectivityManager.TYPE_MOBILE: |
Wink Saville | c7a9834 | 2010-08-13 16:11:42 -0700 | [diff] [blame] | 346 | mNetTrackers[netType] = new MobileDataStateTracker(netType, |
| 347 | mNetAttributes[netType].mName); |
| 348 | mNetTrackers[netType].startMonitoring(context, mHandler); |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 349 | if (noMobileData) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 350 | if (DBG) Slog.d(TAG, "tearing down Mobile networks due to setting"); |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 351 | mNetTrackers[netType].teardown(); |
| 352 | } |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 353 | break; |
| 354 | default: |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 355 | 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] | 356 | mNetAttributes[netType].mRadio); |
| 357 | continue; |
| 358 | } |
| 359 | } |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 360 | |
Robert Greenwalt | dfadaea | 2010-03-11 15:03:08 -0800 | [diff] [blame] | 361 | mTethering = new Tethering(mContext, mHandler.getLooper()); |
Robert Greenwalt | c9d5fb7 | 2010-02-25 12:29:30 -0800 | [diff] [blame] | 362 | mTetheringConfigValid = (((mNetTrackers[ConnectivityManager.TYPE_MOBILE_DUN] != null) || |
| 363 | !mTethering.isDunRequired()) && |
| 364 | (mTethering.getTetherableUsbRegexs().length != 0 || |
Danica Chang | 6fdd0c6 | 2010-08-11 14:54:43 -0700 | [diff] [blame] | 365 | mTethering.getTetherableWifiRegexs().length != 0 || |
| 366 | mTethering.getTetherableBluetoothRegexs().length != 0) && |
Robert Greenwalt | c9d5fb7 | 2010-02-25 12:29:30 -0800 | [diff] [blame] | 367 | mTethering.getUpstreamIfaceRegexs().length != 0); |
| 368 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 369 | } |
| 370 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 371 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 372 | /** |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 373 | * Sets the preferred network. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 374 | * @param preference the new preference |
| 375 | */ |
| 376 | public synchronized void setNetworkPreference(int preference) { |
| 377 | enforceChangePermission(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 378 | if (ConnectivityManager.isNetworkTypeValid(preference) && |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 379 | mNetAttributes[preference] != null && |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 380 | mNetAttributes[preference].isDefault()) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 381 | if (mNetworkPreference != preference) { |
| 382 | persistNetworkPreference(preference); |
| 383 | mNetworkPreference = preference; |
| 384 | enforcePreference(); |
| 385 | } |
| 386 | } |
| 387 | } |
| 388 | |
| 389 | public int getNetworkPreference() { |
| 390 | enforceAccessPermission(); |
| 391 | return mNetworkPreference; |
| 392 | } |
| 393 | |
| 394 | private void persistNetworkPreference(int networkPreference) { |
| 395 | final ContentResolver cr = mContext.getContentResolver(); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 396 | Settings.Secure.putInt(cr, Settings.Secure.NETWORK_PREFERENCE, |
| 397 | networkPreference); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 398 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 399 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 400 | private int getPersistedNetworkPreference() { |
| 401 | final ContentResolver cr = mContext.getContentResolver(); |
| 402 | |
| 403 | final int networkPrefSetting = Settings.Secure |
| 404 | .getInt(cr, Settings.Secure.NETWORK_PREFERENCE, -1); |
| 405 | if (networkPrefSetting != -1) { |
| 406 | return networkPrefSetting; |
| 407 | } |
| 408 | |
| 409 | return ConnectivityManager.DEFAULT_NETWORK_PREFERENCE; |
| 410 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 411 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 412 | /** |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 413 | * 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] | 414 | * In this method, we only tear down a non-preferred network. Establishing |
| 415 | * a connection to the preferred network is taken care of when we handle |
| 416 | * the disconnect event from the non-preferred network |
| 417 | * (see {@link #handleDisconnect(NetworkInfo)}). |
| 418 | */ |
| 419 | private void enforcePreference() { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 420 | if (mNetTrackers[mNetworkPreference].getNetworkInfo().isConnected()) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 421 | return; |
| 422 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 423 | if (!mNetTrackers[mNetworkPreference].isAvailable()) |
| 424 | return; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 425 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 426 | for (int t=0; t <= ConnectivityManager.MAX_RADIO_TYPE; t++) { |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 427 | if (t != mNetworkPreference && mNetTrackers[t] != null && |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 428 | mNetTrackers[t].getNetworkInfo().isConnected()) { |
Robert Greenwalt | ec9fe46 | 2009-08-20 15:25:14 -0700 | [diff] [blame] | 429 | if (DBG) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 430 | Slog.d(TAG, "tearing down " + |
Robert Greenwalt | ec9fe46 | 2009-08-20 15:25:14 -0700 | [diff] [blame] | 431 | mNetTrackers[t].getNetworkInfo() + |
| 432 | " in enforcePreference"); |
| 433 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 434 | teardown(mNetTrackers[t]); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 435 | } |
| 436 | } |
| 437 | } |
| 438 | |
| 439 | private boolean teardown(NetworkStateTracker netTracker) { |
| 440 | if (netTracker.teardown()) { |
| 441 | netTracker.setTeardownRequested(true); |
| 442 | return true; |
| 443 | } else { |
| 444 | return false; |
| 445 | } |
| 446 | } |
| 447 | |
| 448 | /** |
| 449 | * Return NetworkInfo for the active (i.e., connected) network interface. |
| 450 | * It is assumed that at most one network is active at a time. If more |
| 451 | * than one is active, it is indeterminate which will be returned. |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 452 | * @return the info for the active network, or {@code null} if none is |
| 453 | * active |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 454 | */ |
| 455 | public NetworkInfo getActiveNetworkInfo() { |
| 456 | enforceAccessPermission(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 457 | for (int type=0; type <= ConnectivityManager.MAX_NETWORK_TYPE; type++) { |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 458 | if (mNetAttributes[type] == null || !mNetAttributes[type].isDefault()) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 459 | continue; |
| 460 | } |
| 461 | NetworkStateTracker t = mNetTrackers[type]; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 462 | NetworkInfo info = t.getNetworkInfo(); |
| 463 | if (info.isConnected()) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 464 | if (DBG && type != mActiveDefaultNetwork) Slog.e(TAG, |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 465 | "connected default network is not " + |
| 466 | "mActiveDefaultNetwork!"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 467 | return info; |
| 468 | } |
| 469 | } |
| 470 | return null; |
| 471 | } |
| 472 | |
| 473 | public NetworkInfo getNetworkInfo(int networkType) { |
| 474 | enforceAccessPermission(); |
| 475 | if (ConnectivityManager.isNetworkTypeValid(networkType)) { |
| 476 | NetworkStateTracker t = mNetTrackers[networkType]; |
| 477 | if (t != null) |
| 478 | return t.getNetworkInfo(); |
| 479 | } |
| 480 | return null; |
| 481 | } |
| 482 | |
| 483 | public NetworkInfo[] getAllNetworkInfo() { |
| 484 | enforceAccessPermission(); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 485 | NetworkInfo[] result = new NetworkInfo[mNetworksDefined]; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 486 | int i = 0; |
| 487 | for (NetworkStateTracker t : mNetTrackers) { |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 488 | if(t != null) result[i++] = t.getNetworkInfo(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 489 | } |
| 490 | return result; |
| 491 | } |
| 492 | |
| 493 | public boolean setRadios(boolean turnOn) { |
| 494 | boolean result = true; |
| 495 | enforceChangePermission(); |
| 496 | for (NetworkStateTracker t : mNetTrackers) { |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 497 | if (t != null) result = t.setRadio(turnOn) && result; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 498 | } |
| 499 | return result; |
| 500 | } |
| 501 | |
| 502 | public boolean setRadio(int netType, boolean turnOn) { |
| 503 | enforceChangePermission(); |
| 504 | if (!ConnectivityManager.isNetworkTypeValid(netType)) { |
| 505 | return false; |
| 506 | } |
| 507 | NetworkStateTracker tracker = mNetTrackers[netType]; |
| 508 | return tracker != null && tracker.setRadio(turnOn); |
| 509 | } |
| 510 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 511 | /** |
| 512 | * Used to notice when the calling process dies so we can self-expire |
| 513 | * |
| 514 | * Also used to know if the process has cleaned up after itself when |
| 515 | * our auto-expire timer goes off. The timer has a link to an object. |
| 516 | * |
| 517 | */ |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 518 | private class FeatureUser implements IBinder.DeathRecipient { |
| 519 | int mNetworkType; |
| 520 | String mFeature; |
| 521 | IBinder mBinder; |
| 522 | int mPid; |
| 523 | int mUid; |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 524 | long mCreateTime; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 525 | |
| 526 | FeatureUser(int type, String feature, IBinder binder) { |
| 527 | super(); |
| 528 | mNetworkType = type; |
| 529 | mFeature = feature; |
| 530 | mBinder = binder; |
| 531 | mPid = getCallingPid(); |
| 532 | mUid = getCallingUid(); |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 533 | mCreateTime = System.currentTimeMillis(); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 534 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 535 | try { |
| 536 | mBinder.linkToDeath(this, 0); |
| 537 | } catch (RemoteException e) { |
| 538 | binderDied(); |
| 539 | } |
| 540 | } |
| 541 | |
| 542 | void unlinkDeathRecipient() { |
| 543 | mBinder.unlinkToDeath(this, 0); |
| 544 | } |
| 545 | |
| 546 | public void binderDied() { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 547 | Slog.d(TAG, "ConnectivityService FeatureUser binderDied(" + |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 548 | mNetworkType + ", " + mFeature + ", " + mBinder + "), created " + |
| 549 | (System.currentTimeMillis() - mCreateTime) + " mSec ago"); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 550 | stopUsingNetworkFeature(this, false); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 551 | } |
| 552 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 553 | public void expire() { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 554 | Slog.d(TAG, "ConnectivityService FeatureUser expire(" + |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 555 | mNetworkType + ", " + mFeature + ", " + mBinder +"), created " + |
| 556 | (System.currentTimeMillis() - mCreateTime) + " mSec ago"); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 557 | stopUsingNetworkFeature(this, false); |
| 558 | } |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 559 | |
| 560 | public String toString() { |
| 561 | return "FeatureUser("+mNetworkType+","+mFeature+","+mPid+","+mUid+"), created " + |
| 562 | (System.currentTimeMillis() - mCreateTime) + " mSec ago"; |
| 563 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 564 | } |
| 565 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 566 | // javadoc from interface |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 567 | public int startUsingNetworkFeature(int networkType, String feature, |
| 568 | IBinder binder) { |
| 569 | if (DBG) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 570 | Slog.d(TAG, "startUsingNetworkFeature for net " + networkType + |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 571 | ": " + feature); |
| 572 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 573 | enforceChangePermission(); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 574 | if (!ConnectivityManager.isNetworkTypeValid(networkType) || |
| 575 | mNetAttributes[networkType] == null) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 576 | return Phone.APN_REQUEST_FAILED; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 577 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 578 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 579 | FeatureUser f = new FeatureUser(networkType, feature, binder); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 580 | |
| 581 | // TODO - move this into the MobileDataStateTracker |
| 582 | int usedNetworkType = networkType; |
| 583 | if(networkType == ConnectivityManager.TYPE_MOBILE) { |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 584 | if (!getMobileDataEnabled()) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 585 | if (DBG) Slog.d(TAG, "requested special network with data disabled - rejected"); |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 586 | return Phone.APN_TYPE_NOT_AVAILABLE; |
| 587 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 588 | if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_MMS)) { |
| 589 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_MMS; |
| 590 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_SUPL)) { |
| 591 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_SUPL; |
| 592 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_DUN)) { |
| 593 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_DUN; |
| 594 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_HIPRI)) { |
| 595 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_HIPRI; |
| 596 | } |
| 597 | } |
| 598 | NetworkStateTracker network = mNetTrackers[usedNetworkType]; |
| 599 | if (network != null) { |
| 600 | if (usedNetworkType != networkType) { |
| 601 | Integer currentPid = new Integer(getCallingPid()); |
| 602 | |
| 603 | NetworkStateTracker radio = mNetTrackers[networkType]; |
| 604 | NetworkInfo ni = network.getNetworkInfo(); |
| 605 | |
| 606 | if (ni.isAvailable() == false) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 607 | if (DBG) Slog.d(TAG, "special network not available"); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 608 | return Phone.APN_TYPE_NOT_AVAILABLE; |
| 609 | } |
| 610 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 611 | synchronized(this) { |
| 612 | mFeatureUsers.add(f); |
| 613 | if (!mNetRequestersPids[usedNetworkType].contains(currentPid)) { |
| 614 | // this gets used for per-pid dns when connected |
| 615 | mNetRequestersPids[usedNetworkType].add(currentPid); |
| 616 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 617 | } |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 618 | mHandler.sendMessageDelayed(mHandler.obtainMessage( |
| 619 | NetworkStateTracker.EVENT_RESTORE_DEFAULT_NETWORK, |
| 620 | f), getRestoreDefaultNetworkDelay()); |
| 621 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 622 | |
Robert Greenwalt | a64bf83 | 2009-08-19 20:19:33 -0700 | [diff] [blame] | 623 | if ((ni.isConnectedOrConnecting() == true) && |
| 624 | !network.isTeardownRequested()) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 625 | if (ni.isConnected() == true) { |
| 626 | // add the pid-specific dns |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 627 | handleDnsConfigurationChange(networkType); |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 628 | if (DBG) Slog.d(TAG, "special network already active"); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 629 | return Phone.APN_ALREADY_ACTIVE; |
| 630 | } |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 631 | if (DBG) Slog.d(TAG, "special network already connecting"); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 632 | return Phone.APN_REQUEST_STARTED; |
| 633 | } |
| 634 | |
| 635 | // check if the radio in play can make another contact |
| 636 | // assume if cannot for now |
| 637 | |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 638 | if (DBG) Slog.d(TAG, "reconnecting to special network"); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 639 | network.reconnect(); |
| 640 | return Phone.APN_REQUEST_STARTED; |
| 641 | } else { |
Robert Greenwalt | 02648a4 | 2010-05-18 10:52:51 -0700 | [diff] [blame] | 642 | return -1; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 643 | } |
| 644 | } |
| 645 | return Phone.APN_TYPE_NOT_AVAILABLE; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 646 | } |
| 647 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 648 | // javadoc from interface |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 649 | public int stopUsingNetworkFeature(int networkType, String feature) { |
Robert Greenwalt | b8f1634 | 2009-10-06 17:52:40 -0700 | [diff] [blame] | 650 | enforceChangePermission(); |
| 651 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 652 | int pid = getCallingPid(); |
| 653 | int uid = getCallingUid(); |
| 654 | |
| 655 | FeatureUser u = null; |
| 656 | boolean found = false; |
| 657 | |
| 658 | synchronized(this) { |
| 659 | for (int i = 0; i < mFeatureUsers.size() ; i++) { |
| 660 | u = (FeatureUser)mFeatureUsers.get(i); |
| 661 | if (uid == u.mUid && pid == u.mPid && |
| 662 | networkType == u.mNetworkType && |
| 663 | TextUtils.equals(feature, u.mFeature)) { |
| 664 | found = true; |
| 665 | break; |
| 666 | } |
| 667 | } |
| 668 | } |
| 669 | if (found && u != null) { |
| 670 | // stop regardless of how many other time this proc had called start |
| 671 | return stopUsingNetworkFeature(u, true); |
| 672 | } else { |
| 673 | // none found! |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 674 | if (DBG) Slog.d(TAG, "ignoring stopUsingNetworkFeature - not a live request"); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 675 | return 1; |
| 676 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 677 | } |
| 678 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 679 | private int stopUsingNetworkFeature(FeatureUser u, boolean ignoreDups) { |
| 680 | int networkType = u.mNetworkType; |
| 681 | String feature = u.mFeature; |
| 682 | int pid = u.mPid; |
| 683 | int uid = u.mUid; |
| 684 | |
| 685 | NetworkStateTracker tracker = null; |
| 686 | boolean callTeardown = false; // used to carry our decision outside of sync block |
| 687 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 688 | if (DBG) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 689 | Slog.d(TAG, "stopUsingNetworkFeature for net " + networkType + |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 690 | ": " + feature); |
| 691 | } |
Robert Greenwalt | b8f1634 | 2009-10-06 17:52:40 -0700 | [diff] [blame] | 692 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 693 | if (!ConnectivityManager.isNetworkTypeValid(networkType)) { |
| 694 | return -1; |
| 695 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 696 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 697 | // need to link the mFeatureUsers list with the mNetRequestersPids state in this |
| 698 | // sync block |
| 699 | synchronized(this) { |
| 700 | // check if this process still has an outstanding start request |
| 701 | if (!mFeatureUsers.contains(u)) { |
Robert Greenwalt | 78a640a | 2010-03-10 16:10:43 -0800 | [diff] [blame] | 702 | if (DBG) Slog.d(TAG, "ignoring - this process has no outstanding requests"); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 703 | return 1; |
| 704 | } |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 705 | u.unlinkDeathRecipient(); |
| 706 | mFeatureUsers.remove(mFeatureUsers.indexOf(u)); |
| 707 | // If we care about duplicate requests, check for that here. |
| 708 | // |
| 709 | // This is done to support the extension of a request - the app |
| 710 | // can request we start the network feature again and renew the |
| 711 | // auto-shutoff delay. Normal "stop" calls from the app though |
| 712 | // do not pay attention to duplicate requests - in effect the |
| 713 | // API does not refcount and a single stop will counter multiple starts. |
| 714 | if (ignoreDups == false) { |
| 715 | for (int i = 0; i < mFeatureUsers.size() ; i++) { |
| 716 | FeatureUser x = (FeatureUser)mFeatureUsers.get(i); |
| 717 | if (x.mUid == u.mUid && x.mPid == u.mPid && |
| 718 | x.mNetworkType == u.mNetworkType && |
| 719 | TextUtils.equals(x.mFeature, u.mFeature)) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 720 | if (DBG) Slog.d(TAG, "ignoring stopUsingNetworkFeature as dup is found"); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 721 | return 1; |
| 722 | } |
| 723 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 724 | } |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 725 | |
| 726 | // TODO - move to MobileDataStateTracker |
| 727 | int usedNetworkType = networkType; |
| 728 | if (networkType == ConnectivityManager.TYPE_MOBILE) { |
| 729 | if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_MMS)) { |
| 730 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_MMS; |
| 731 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_SUPL)) { |
| 732 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_SUPL; |
| 733 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_DUN)) { |
| 734 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_DUN; |
| 735 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_HIPRI)) { |
| 736 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_HIPRI; |
| 737 | } |
| 738 | } |
| 739 | tracker = mNetTrackers[usedNetworkType]; |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 740 | if (tracker == null) { |
Robert Greenwalt | 78a640a | 2010-03-10 16:10:43 -0800 | [diff] [blame] | 741 | 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] | 742 | return -1; |
| 743 | } |
| 744 | if (usedNetworkType != networkType) { |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 745 | Integer currentPid = new Integer(pid); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 746 | mNetRequestersPids[usedNetworkType].remove(currentPid); |
Robert Greenwalt | 421c72b | 2009-12-17 14:54:59 -0800 | [diff] [blame] | 747 | reassessPidDns(pid, true); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 748 | if (mNetRequestersPids[usedNetworkType].size() != 0) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 749 | if (DBG) Slog.d(TAG, "not tearing down special network - " + |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 750 | "others still using it"); |
| 751 | return 1; |
| 752 | } |
| 753 | callTeardown = true; |
| 754 | } |
| 755 | } |
Robert Greenwalt | 78a640a | 2010-03-10 16:10:43 -0800 | [diff] [blame] | 756 | if (DBG) Slog.d(TAG, "Doing network teardown"); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 757 | if (callTeardown) { |
| 758 | tracker.teardown(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 759 | return 1; |
| 760 | } else { |
Robert Greenwalt | 02648a4 | 2010-05-18 10:52:51 -0700 | [diff] [blame] | 761 | return -1; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 762 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 763 | } |
| 764 | |
| 765 | /** |
Robert Greenwalt | 585ac0f | 2010-08-27 09:24:29 -0700 | [diff] [blame] | 766 | * @deprecated use requestRouteToHostAddress instead |
| 767 | * |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 768 | * Ensure that a network route exists to deliver traffic to the specified |
| 769 | * host via the specified network interface. |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 770 | * @param networkType the type of the network over which traffic to the |
| 771 | * specified host is to be routed |
| 772 | * @param hostAddress the IP address of the host to which the route is |
| 773 | * desired |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 774 | * @return {@code true} on success, {@code false} on failure |
| 775 | */ |
| 776 | public boolean requestRouteToHost(int networkType, int hostAddress) { |
Robert Greenwalt | 585ac0f | 2010-08-27 09:24:29 -0700 | [diff] [blame] | 777 | InetAddress inetAddress = NetworkUtils.intToInetAddress(hostAddress); |
| 778 | |
| 779 | if (inetAddress == null) { |
| 780 | return false; |
| 781 | } |
| 782 | |
| 783 | return requestRouteToHostAddress(networkType, inetAddress.getAddress()); |
| 784 | } |
| 785 | |
| 786 | /** |
| 787 | * Ensure that a network route exists to deliver traffic to the specified |
| 788 | * host via the specified network interface. |
| 789 | * @param networkType the type of the network over which traffic to the |
| 790 | * specified host is to be routed |
| 791 | * @param hostAddress the IP address of the host to which the route is |
| 792 | * desired |
| 793 | * @return {@code true} on success, {@code false} on failure |
| 794 | */ |
| 795 | public boolean requestRouteToHostAddress(int networkType, byte[] hostAddress) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 796 | enforceChangePermission(); |
| 797 | if (!ConnectivityManager.isNetworkTypeValid(networkType)) { |
| 798 | return false; |
| 799 | } |
| 800 | NetworkStateTracker tracker = mNetTrackers[networkType]; |
Robert Greenwalt | 8206ff3 | 2009-09-10 15:06:20 -0700 | [diff] [blame] | 801 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 802 | if (tracker == null || !tracker.getNetworkInfo().isConnected() || |
| 803 | tracker.isTeardownRequested()) { |
Robert Greenwalt | 8206ff3 | 2009-09-10 15:06:20 -0700 | [diff] [blame] | 804 | if (DBG) { |
Robert Greenwalt | 585ac0f | 2010-08-27 09:24:29 -0700 | [diff] [blame] | 805 | Slog.d(TAG, "requestRouteToHostAddress on down network " + |
| 806 | "(" + networkType + ") - dropped"); |
Robert Greenwalt | 8206ff3 | 2009-09-10 15:06:20 -0700 | [diff] [blame] | 807 | } |
| 808 | return false; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 809 | } |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 810 | try { |
Robert Greenwalt | 585ac0f | 2010-08-27 09:24:29 -0700 | [diff] [blame] | 811 | InetAddress addr = InetAddress.getByAddress(hostAddress); |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 812 | return addHostRoute(tracker, addr); |
| 813 | } catch (UnknownHostException e) {} |
| 814 | return false; |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 815 | } |
| 816 | |
| 817 | /** |
| 818 | * Ensure that a network route exists to deliver traffic to the specified |
| 819 | * host via the mobile data network. |
| 820 | * @param hostAddress the IP address of the host to which the route is desired, |
| 821 | * in network byte order. |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 822 | * TODO - deprecate |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 823 | * @return {@code true} on success, {@code false} on failure |
| 824 | */ |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 825 | private boolean addHostRoute(NetworkStateTracker nt, InetAddress hostAddress) { |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 826 | if (nt.getNetworkInfo().getType() == ConnectivityManager.TYPE_WIFI) { |
| 827 | return false; |
| 828 | } |
| 829 | |
Robert Greenwalt | 37e65eb | 2010-08-30 10:56:47 -0700 | [diff] [blame] | 830 | LinkProperties p = nt.getLinkProperties(); |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 831 | if (p == null) return false; |
| 832 | String interfaceName = p.getInterfaceName(); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 833 | |
| 834 | if (DBG) { |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 835 | Slog.d(TAG, "Requested host route to " + hostAddress + "(" + interfaceName + ")"); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 836 | } |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 837 | if (interfaceName != null) { |
Robert Greenwalt | 585ac0f | 2010-08-27 09:24:29 -0700 | [diff] [blame] | 838 | return NetworkUtils.addHostRoute(interfaceName, hostAddress, null); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 839 | } else { |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 840 | if (DBG) Slog.e(TAG, "addHostRoute failed due to null interface name"); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 841 | return false; |
| 842 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 843 | } |
| 844 | |
| 845 | /** |
| 846 | * @see ConnectivityManager#getBackgroundDataSetting() |
| 847 | */ |
| 848 | public boolean getBackgroundDataSetting() { |
| 849 | return Settings.Secure.getInt(mContext.getContentResolver(), |
| 850 | Settings.Secure.BACKGROUND_DATA, 1) == 1; |
| 851 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 852 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 853 | /** |
| 854 | * @see ConnectivityManager#setBackgroundDataSetting(boolean) |
| 855 | */ |
| 856 | public void setBackgroundDataSetting(boolean allowBackgroundDataUsage) { |
| 857 | mContext.enforceCallingOrSelfPermission( |
| 858 | android.Manifest.permission.CHANGE_BACKGROUND_DATA_SETTING, |
| 859 | "ConnectivityService"); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 860 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 861 | if (getBackgroundDataSetting() == allowBackgroundDataUsage) return; |
| 862 | |
| 863 | Settings.Secure.putInt(mContext.getContentResolver(), |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 864 | Settings.Secure.BACKGROUND_DATA, |
| 865 | allowBackgroundDataUsage ? 1 : 0); |
| 866 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 867 | Intent broadcast = new Intent( |
| 868 | ConnectivityManager.ACTION_BACKGROUND_DATA_SETTING_CHANGED); |
| 869 | mContext.sendBroadcast(broadcast); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 870 | } |
| 871 | |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 872 | /** |
| 873 | * @see ConnectivityManager#getMobileDataEnabled() |
| 874 | */ |
| 875 | public boolean getMobileDataEnabled() { |
| 876 | enforceAccessPermission(); |
| 877 | boolean retVal = Settings.Secure.getInt(mContext.getContentResolver(), |
| 878 | Settings.Secure.MOBILE_DATA, 1) == 1; |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 879 | if (DBG) Slog.d(TAG, "getMobileDataEnabled returning " + retVal); |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 880 | return retVal; |
| 881 | } |
| 882 | |
| 883 | /** |
| 884 | * @see ConnectivityManager#setMobileDataEnabled(boolean) |
| 885 | */ |
| 886 | public synchronized void setMobileDataEnabled(boolean enabled) { |
| 887 | enforceChangePermission(); |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 888 | if (DBG) Slog.d(TAG, "setMobileDataEnabled(" + enabled + ")"); |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 889 | |
| 890 | if (getMobileDataEnabled() == enabled) return; |
| 891 | |
| 892 | Settings.Secure.putInt(mContext.getContentResolver(), |
| 893 | Settings.Secure.MOBILE_DATA, enabled ? 1 : 0); |
| 894 | |
| 895 | if (enabled) { |
| 896 | if (mNetTrackers[ConnectivityManager.TYPE_MOBILE] != null) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 897 | if (DBG) Slog.d(TAG, "starting up " + mNetTrackers[ConnectivityManager.TYPE_MOBILE]); |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 898 | mNetTrackers[ConnectivityManager.TYPE_MOBILE].reconnect(); |
| 899 | } |
| 900 | } else { |
| 901 | for (NetworkStateTracker nt : mNetTrackers) { |
| 902 | if (nt == null) continue; |
| 903 | int netType = nt.getNetworkInfo().getType(); |
| 904 | if (mNetAttributes[netType].mRadio == ConnectivityManager.TYPE_MOBILE) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 905 | if (DBG) Slog.d(TAG, "tearing down " + nt); |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 906 | nt.teardown(); |
| 907 | } |
| 908 | } |
| 909 | } |
| 910 | } |
| 911 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 912 | private int getNumConnectedNetworks() { |
| 913 | int numConnectedNets = 0; |
| 914 | |
| 915 | for (NetworkStateTracker nt : mNetTrackers) { |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 916 | if (nt != null && nt.getNetworkInfo().isConnected() && |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 917 | !nt.isTeardownRequested()) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 918 | ++numConnectedNets; |
| 919 | } |
| 920 | } |
| 921 | return numConnectedNets; |
| 922 | } |
| 923 | |
| 924 | private void enforceAccessPermission() { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 925 | mContext.enforceCallingOrSelfPermission( |
| 926 | android.Manifest.permission.ACCESS_NETWORK_STATE, |
| 927 | "ConnectivityService"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 928 | } |
| 929 | |
| 930 | private void enforceChangePermission() { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 931 | mContext.enforceCallingOrSelfPermission( |
| 932 | android.Manifest.permission.CHANGE_NETWORK_STATE, |
| 933 | "ConnectivityService"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 934 | } |
| 935 | |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 936 | // TODO Make this a special check when it goes public |
| 937 | private void enforceTetherChangePermission() { |
| 938 | mContext.enforceCallingOrSelfPermission( |
| 939 | android.Manifest.permission.CHANGE_NETWORK_STATE, |
| 940 | "ConnectivityService"); |
| 941 | } |
| 942 | |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 943 | private void enforceTetherAccessPermission() { |
| 944 | mContext.enforceCallingOrSelfPermission( |
| 945 | android.Manifest.permission.ACCESS_NETWORK_STATE, |
| 946 | "ConnectivityService"); |
| 947 | } |
| 948 | |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 949 | private void enforceConnectivityInternalPermission() { |
| 950 | mContext.enforceCallingOrSelfPermission( |
| 951 | android.Manifest.permission.CONNECTIVITY_INTERNAL, |
| 952 | "ConnectivityService"); |
| 953 | } |
| 954 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 955 | /** |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 956 | * Handle a {@code DISCONNECTED} event. If this pertains to the non-active |
| 957 | * network, we ignore it. If it is for the active network, we send out a |
| 958 | * broadcast. But first, we check whether it might be possible to connect |
| 959 | * to a different network. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 960 | * @param info the {@code NetworkInfo} for the network |
| 961 | */ |
| 962 | private void handleDisconnect(NetworkInfo info) { |
| 963 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 964 | int prevNetType = info.getType(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 965 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 966 | mNetTrackers[prevNetType].setTeardownRequested(false); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 967 | /* |
| 968 | * If the disconnected network is not the active one, then don't report |
| 969 | * this as a loss of connectivity. What probably happened is that we're |
| 970 | * getting the disconnect for a network that we explicitly disabled |
| 971 | * in accordance with network preference policies. |
| 972 | */ |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 973 | if (!mNetAttributes[prevNetType].isDefault()) { |
| 974 | List pids = mNetRequestersPids[prevNetType]; |
| 975 | for (int i = 0; i<pids.size(); i++) { |
| 976 | Integer pid = (Integer)pids.get(i); |
| 977 | // will remove them because the net's no longer connected |
| 978 | // need to do this now as only now do we know the pids and |
| 979 | // can properly null things that are no longer referenced. |
| 980 | reassessPidDns(pid.intValue(), false); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 981 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 982 | } |
| 983 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 984 | Intent intent = new Intent(ConnectivityManager.CONNECTIVITY_ACTION); |
| 985 | intent.putExtra(ConnectivityManager.EXTRA_NETWORK_INFO, info); |
| 986 | if (info.isFailover()) { |
| 987 | intent.putExtra(ConnectivityManager.EXTRA_IS_FAILOVER, true); |
| 988 | info.setFailover(false); |
| 989 | } |
| 990 | if (info.getReason() != null) { |
| 991 | intent.putExtra(ConnectivityManager.EXTRA_REASON, info.getReason()); |
| 992 | } |
| 993 | if (info.getExtraInfo() != null) { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 994 | intent.putExtra(ConnectivityManager.EXTRA_EXTRA_INFO, |
| 995 | info.getExtraInfo()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 996 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 997 | |
Robert Greenwalt | cc4b401 | 2010-01-25 17:54:29 -0800 | [diff] [blame] | 998 | NetworkStateTracker newNet = null; |
| 999 | if (mNetAttributes[prevNetType].isDefault()) { |
| 1000 | newNet = tryFailover(prevNetType); |
| 1001 | if (newNet != null) { |
| 1002 | NetworkInfo switchTo = newNet.getNetworkInfo(); |
| 1003 | intent.putExtra(ConnectivityManager.EXTRA_OTHER_NETWORK_INFO, switchTo); |
| 1004 | } else { |
| 1005 | intent.putExtra(ConnectivityManager.EXTRA_NO_CONNECTIVITY, true); |
| 1006 | } |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 1007 | } |
| 1008 | // do this before we broadcast the change |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 1009 | handleConnectivityChange(prevNetType); |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 1010 | |
| 1011 | sendStickyBroadcast(intent); |
| 1012 | /* |
| 1013 | * If the failover network is already connected, then immediately send |
| 1014 | * out a followup broadcast indicating successful failover |
| 1015 | */ |
| 1016 | if (newNet != null && newNet.getNetworkInfo().isConnected()) { |
| 1017 | sendConnectedBroadcast(newNet.getNetworkInfo()); |
| 1018 | } |
| 1019 | } |
| 1020 | |
Robert Greenwalt | cc4b401 | 2010-01-25 17:54:29 -0800 | [diff] [blame] | 1021 | // returns null if no failover available |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 1022 | private NetworkStateTracker tryFailover(int prevNetType) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1023 | /* |
| 1024 | * If this is a default network, check if other defaults are available |
| 1025 | * or active |
| 1026 | */ |
| 1027 | NetworkStateTracker newNet = null; |
| 1028 | if (mNetAttributes[prevNetType].isDefault()) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1029 | if (mActiveDefaultNetwork == prevNetType) { |
| 1030 | mActiveDefaultNetwork = -1; |
| 1031 | } |
| 1032 | |
| 1033 | int newType = -1; |
| 1034 | int newPriority = -1; |
Robert Greenwalt | 3542959 | 2010-02-25 12:04:29 -0800 | [diff] [blame] | 1035 | boolean noMobileData = !getMobileDataEnabled(); |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 1036 | for (int checkType=0; checkType <= ConnectivityManager.MAX_NETWORK_TYPE; checkType++) { |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 1037 | if (checkType == prevNetType) continue; |
| 1038 | if (mNetAttributes[checkType] == null) continue; |
Robert Greenwalt | 3542959 | 2010-02-25 12:04:29 -0800 | [diff] [blame] | 1039 | if (mNetAttributes[checkType].mRadio == ConnectivityManager.TYPE_MOBILE && |
| 1040 | noMobileData) { |
| 1041 | if (DBG) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1042 | Slog.d(TAG, "not failing over to mobile type " + checkType + |
Robert Greenwalt | 3542959 | 2010-02-25 12:04:29 -0800 | [diff] [blame] | 1043 | " because Mobile Data Disabled"); |
| 1044 | } |
| 1045 | continue; |
| 1046 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1047 | if (mNetAttributes[checkType].isDefault()) { |
| 1048 | /* TODO - if we have multiple nets we could use |
| 1049 | * we may want to put more thought into which we choose |
| 1050 | */ |
| 1051 | if (checkType == mNetworkPreference) { |
| 1052 | newType = checkType; |
| 1053 | break; |
| 1054 | } |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 1055 | if (mNetAttributes[checkType].mPriority > newPriority) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1056 | newType = checkType; |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 1057 | newPriority = mNetAttributes[newType].mPriority; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1058 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1059 | } |
| 1060 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1061 | |
| 1062 | if (newType != -1) { |
| 1063 | newNet = mNetTrackers[newType]; |
| 1064 | /** |
| 1065 | * See if the other network is available to fail over to. |
| 1066 | * If is not available, we enable it anyway, so that it |
| 1067 | * will be able to connect when it does become available, |
| 1068 | * but we report a total loss of connectivity rather than |
| 1069 | * report that we are attempting to fail over. |
| 1070 | */ |
| 1071 | if (newNet.isAvailable()) { |
| 1072 | NetworkInfo switchTo = newNet.getNetworkInfo(); |
| 1073 | switchTo.setFailover(true); |
Robert Greenwalt | a64bf83 | 2009-08-19 20:19:33 -0700 | [diff] [blame] | 1074 | if (!switchTo.isConnectedOrConnecting() || |
| 1075 | newNet.isTeardownRequested()) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1076 | newNet.reconnect(); |
| 1077 | } |
| 1078 | if (DBG) { |
| 1079 | if (switchTo.isConnected()) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1080 | Slog.v(TAG, "Switching to already connected " + |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1081 | switchTo.getTypeName()); |
| 1082 | } else { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1083 | Slog.v(TAG, "Attempting to switch to " + |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1084 | switchTo.getTypeName()); |
| 1085 | } |
| 1086 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1087 | } else { |
| 1088 | newNet.reconnect(); |
Robert Greenwalt | f0fa39e | 2010-03-09 14:55:08 -0800 | [diff] [blame] | 1089 | newNet = null; // not officially avail.. try anyway, but |
| 1090 | // report no failover |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1091 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1092 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1093 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1094 | |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 1095 | return newNet; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1096 | } |
| 1097 | |
| 1098 | private void sendConnectedBroadcast(NetworkInfo info) { |
| 1099 | Intent intent = new Intent(ConnectivityManager.CONNECTIVITY_ACTION); |
| 1100 | intent.putExtra(ConnectivityManager.EXTRA_NETWORK_INFO, info); |
| 1101 | if (info.isFailover()) { |
| 1102 | intent.putExtra(ConnectivityManager.EXTRA_IS_FAILOVER, true); |
| 1103 | info.setFailover(false); |
| 1104 | } |
| 1105 | if (info.getReason() != null) { |
| 1106 | intent.putExtra(ConnectivityManager.EXTRA_REASON, info.getReason()); |
| 1107 | } |
| 1108 | if (info.getExtraInfo() != null) { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1109 | intent.putExtra(ConnectivityManager.EXTRA_EXTRA_INFO, |
| 1110 | info.getExtraInfo()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1111 | } |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1112 | sendStickyBroadcast(intent); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1113 | } |
| 1114 | |
| 1115 | /** |
| 1116 | * Called when an attempt to fail over to another network has failed. |
| 1117 | * @param info the {@link NetworkInfo} for the failed network |
| 1118 | */ |
| 1119 | private void handleConnectionFailure(NetworkInfo info) { |
| 1120 | mNetTrackers[info.getType()].setTeardownRequested(false); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1121 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1122 | String reason = info.getReason(); |
| 1123 | String extraInfo = info.getExtraInfo(); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1124 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1125 | if (DBG) { |
| 1126 | String reasonText; |
| 1127 | if (reason == null) { |
| 1128 | reasonText = "."; |
| 1129 | } else { |
| 1130 | reasonText = " (" + reason + ")."; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1131 | } |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1132 | Slog.v(TAG, "Attempt to connect to " + info.getTypeName() + |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1133 | " failed" + reasonText); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1134 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1135 | |
| 1136 | Intent intent = new Intent(ConnectivityManager.CONNECTIVITY_ACTION); |
| 1137 | intent.putExtra(ConnectivityManager.EXTRA_NETWORK_INFO, info); |
| 1138 | if (getActiveNetworkInfo() == null) { |
| 1139 | intent.putExtra(ConnectivityManager.EXTRA_NO_CONNECTIVITY, true); |
| 1140 | } |
| 1141 | if (reason != null) { |
| 1142 | intent.putExtra(ConnectivityManager.EXTRA_REASON, reason); |
| 1143 | } |
| 1144 | if (extraInfo != null) { |
| 1145 | intent.putExtra(ConnectivityManager.EXTRA_EXTRA_INFO, extraInfo); |
| 1146 | } |
| 1147 | if (info.isFailover()) { |
| 1148 | intent.putExtra(ConnectivityManager.EXTRA_IS_FAILOVER, true); |
| 1149 | info.setFailover(false); |
| 1150 | } |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 1151 | |
Robert Greenwalt | cc4b401 | 2010-01-25 17:54:29 -0800 | [diff] [blame] | 1152 | NetworkStateTracker newNet = null; |
| 1153 | if (mNetAttributes[info.getType()].isDefault()) { |
| 1154 | newNet = tryFailover(info.getType()); |
| 1155 | if (newNet != null) { |
| 1156 | NetworkInfo switchTo = newNet.getNetworkInfo(); |
| 1157 | intent.putExtra(ConnectivityManager.EXTRA_OTHER_NETWORK_INFO, switchTo); |
| 1158 | } else { |
| 1159 | intent.putExtra(ConnectivityManager.EXTRA_NO_CONNECTIVITY, true); |
| 1160 | } |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 1161 | } |
Robert Greenwalt | cc4b401 | 2010-01-25 17:54:29 -0800 | [diff] [blame] | 1162 | |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1163 | sendStickyBroadcast(intent); |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 1164 | /* |
| 1165 | * If the failover network is already connected, then immediately send |
| 1166 | * out a followup broadcast indicating successful failover |
| 1167 | */ |
| 1168 | if (newNet != null && newNet.getNetworkInfo().isConnected()) { |
| 1169 | sendConnectedBroadcast(newNet.getNetworkInfo()); |
| 1170 | } |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1171 | } |
| 1172 | |
| 1173 | private void sendStickyBroadcast(Intent intent) { |
| 1174 | synchronized(this) { |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 1175 | if (!mSystemReady) { |
| 1176 | mInitialBroadcast = new Intent(intent); |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1177 | } |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 1178 | intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); |
| 1179 | mContext.sendStickyBroadcast(intent); |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1180 | } |
| 1181 | } |
| 1182 | |
| 1183 | void systemReady() { |
| 1184 | synchronized(this) { |
| 1185 | mSystemReady = true; |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 1186 | if (mInitialBroadcast != null) { |
| 1187 | mContext.sendStickyBroadcast(mInitialBroadcast); |
| 1188 | mInitialBroadcast = null; |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1189 | } |
| 1190 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1191 | } |
| 1192 | |
| 1193 | private void handleConnect(NetworkInfo info) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1194 | int type = info.getType(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1195 | |
| 1196 | // snapshot isFailover, because sendConnectedBroadcast() resets it |
| 1197 | boolean isFailover = info.isFailover(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1198 | NetworkStateTracker thisNet = mNetTrackers[type]; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1199 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1200 | // if this is a default net and other default is running |
| 1201 | // kill the one not preferred |
| 1202 | if (mNetAttributes[type].isDefault()) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1203 | if (mActiveDefaultNetwork != -1 && mActiveDefaultNetwork != type) { |
| 1204 | if ((type != mNetworkPreference && |
| 1205 | mNetAttributes[mActiveDefaultNetwork].mPriority > |
| 1206 | mNetAttributes[type].mPriority) || |
| 1207 | mNetworkPreference == mActiveDefaultNetwork) { |
| 1208 | // don't accept this one |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1209 | if (DBG) Slog.v(TAG, "Not broadcasting CONNECT_ACTION " + |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1210 | "to torn down network " + info.getTypeName()); |
| 1211 | teardown(thisNet); |
| 1212 | return; |
| 1213 | } else { |
| 1214 | // tear down the other |
| 1215 | NetworkStateTracker otherNet = |
| 1216 | mNetTrackers[mActiveDefaultNetwork]; |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1217 | if (DBG) Slog.v(TAG, "Policy requires " + |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1218 | otherNet.getNetworkInfo().getTypeName() + |
| 1219 | " teardown"); |
| 1220 | if (!teardown(otherNet)) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1221 | Slog.e(TAG, "Network declined teardown request"); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1222 | return; |
| 1223 | } |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 1224 | } |
| 1225 | } |
| 1226 | synchronized (ConnectivityService.this) { |
| 1227 | // have a new default network, release the transition wakelock in a second |
| 1228 | // if it's held. The second pause is to allow apps to reconnect over the |
| 1229 | // new network |
| 1230 | if (mNetTransitionWakeLock.isHeld()) { |
| 1231 | mHandler.sendMessageDelayed(mHandler.obtainMessage( |
| 1232 | NetworkStateTracker.EVENT_CLEAR_NET_TRANSITION_WAKELOCK, |
| 1233 | mNetTransitionWakeLockSerialNumber, 0), |
| 1234 | 1000); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1235 | } |
| 1236 | } |
| 1237 | mActiveDefaultNetwork = type; |
| 1238 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1239 | thisNet.setTeardownRequested(false); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1240 | updateNetworkSettings(thisNet); |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 1241 | handleConnectivityChange(type); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1242 | sendConnectedBroadcast(info); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1243 | } |
| 1244 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1245 | /** |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 1246 | * After a change in the connectivity state of a network. We're mainly |
| 1247 | * concerned with making sure that the list of DNS servers is set up |
| 1248 | * according to which networks are connected, and ensuring that the |
| 1249 | * right routing table entries exist. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1250 | */ |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 1251 | private void handleConnectivityChange(int netType) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1252 | /* |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1253 | * If a non-default network is enabled, add the host routes that |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 1254 | * will allow it's DNS servers to be accessed. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1255 | */ |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 1256 | handleDnsConfigurationChange(netType); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1257 | |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 1258 | if (mNetTrackers[netType].getNetworkInfo().isConnected()) { |
| 1259 | if (mNetAttributes[netType].isDefault()) { |
| 1260 | addDefaultRoute(mNetTrackers[netType]); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1261 | } else { |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 1262 | addPrivateDnsRoutes(mNetTrackers[netType]); |
| 1263 | } |
| 1264 | } else { |
| 1265 | if (mNetAttributes[netType].isDefault()) { |
| 1266 | removeDefaultRoute(mNetTrackers[netType]); |
| 1267 | } else { |
| 1268 | removePrivateDnsRoutes(mNetTrackers[netType]); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1269 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1270 | } |
| 1271 | } |
| 1272 | |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1273 | private void addPrivateDnsRoutes(NetworkStateTracker nt) { |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1274 | boolean privateDnsRouteSet = nt.isPrivateDnsRouteSet(); |
Robert Greenwalt | 37e65eb | 2010-08-30 10:56:47 -0700 | [diff] [blame] | 1275 | LinkProperties p = nt.getLinkProperties(); |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1276 | if (p == null) return; |
| 1277 | String interfaceName = p.getInterfaceName(); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1278 | |
| 1279 | if (DBG) { |
| 1280 | Slog.d(TAG, "addPrivateDnsRoutes for " + nt + |
| 1281 | "(" + interfaceName + ") - mPrivateDnsRouteSet = " + privateDnsRouteSet); |
| 1282 | } |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1283 | if (interfaceName != null && !privateDnsRouteSet) { |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1284 | Collection<InetAddress> dnsList = p.getDnses(); |
| 1285 | for (InetAddress dns : dnsList) { |
| 1286 | if (DBG) Slog.d(TAG, " adding " + dns); |
Robert Greenwalt | 585ac0f | 2010-08-27 09:24:29 -0700 | [diff] [blame] | 1287 | NetworkUtils.addHostRoute(interfaceName, dns, null); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1288 | } |
| 1289 | nt.privateDnsRouteSet(true); |
| 1290 | } |
| 1291 | } |
| 1292 | |
| 1293 | private void removePrivateDnsRoutes(NetworkStateTracker nt) { |
| 1294 | // TODO - we should do this explicitly but the NetUtils api doesnt |
| 1295 | // support this yet - must remove all. No worse than before |
Robert Greenwalt | 37e65eb | 2010-08-30 10:56:47 -0700 | [diff] [blame] | 1296 | LinkProperties p = nt.getLinkProperties(); |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1297 | if (p == null) return; |
| 1298 | String interfaceName = p.getInterfaceName(); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1299 | boolean privateDnsRouteSet = nt.isPrivateDnsRouteSet(); |
| 1300 | if (interfaceName != null && privateDnsRouteSet) { |
| 1301 | if (DBG) { |
| 1302 | Slog.d(TAG, "removePrivateDnsRoutes for " + nt.getNetworkInfo().getTypeName() + |
| 1303 | " (" + interfaceName + ")"); |
| 1304 | } |
| 1305 | NetworkUtils.removeHostRoutes(interfaceName); |
| 1306 | nt.privateDnsRouteSet(false); |
| 1307 | } |
| 1308 | } |
| 1309 | |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1310 | |
| 1311 | private void addDefaultRoute(NetworkStateTracker nt) { |
Robert Greenwalt | 37e65eb | 2010-08-30 10:56:47 -0700 | [diff] [blame] | 1312 | LinkProperties p = nt.getLinkProperties(); |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1313 | if (p == null) return; |
| 1314 | String interfaceName = p.getInterfaceName(); |
| 1315 | InetAddress defaultGatewayAddr = p.getGateway(); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1316 | |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 1317 | if ((interfaceName != null) && (defaultGatewayAddr != null )) { |
Robert Greenwalt | 585ac0f | 2010-08-27 09:24:29 -0700 | [diff] [blame] | 1318 | if (!NetworkUtils.addDefaultRoute(interfaceName, defaultGatewayAddr) && DBG) { |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1319 | NetworkInfo networkInfo = nt.getNetworkInfo(); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1320 | Slog.d(TAG, "addDefaultRoute for " + networkInfo.getTypeName() + |
| 1321 | " (" + interfaceName + "), GatewayAddr=" + defaultGatewayAddr); |
| 1322 | } |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1323 | } |
| 1324 | } |
| 1325 | |
| 1326 | |
| 1327 | public void removeDefaultRoute(NetworkStateTracker nt) { |
Robert Greenwalt | 37e65eb | 2010-08-30 10:56:47 -0700 | [diff] [blame] | 1328 | LinkProperties p = nt.getLinkProperties(); |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1329 | if (p == null) return; |
| 1330 | String interfaceName = p.getInterfaceName(); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1331 | |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 1332 | if (interfaceName != null) { |
| 1333 | if ((NetworkUtils.removeDefaultRoute(interfaceName) >= 0) && DBG) { |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1334 | NetworkInfo networkInfo = nt.getNetworkInfo(); |
Irfan Sheriff | d649c12 | 2010-06-09 15:39:36 -0700 | [diff] [blame] | 1335 | Slog.d(TAG, "removeDefaultRoute for " + networkInfo.getTypeName() + " (" + |
| 1336 | interfaceName + ")"); |
| 1337 | } |
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 | 37e65eb | 2010-08-30 10:56:47 -0700 | [diff] [blame] | 1427 | LinkProperties p = nt.getLinkProperties(); |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 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 | |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 1478 | private void handleDnsConfigurationChange(int netType) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1479 | // add default net's dns entries |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 1480 | NetworkStateTracker nt = mNetTrackers[netType]; |
| 1481 | if (nt != null && nt.getNetworkInfo().isConnected() && !nt.isTeardownRequested()) { |
Robert Greenwalt | 37e65eb | 2010-08-30 10:56:47 -0700 | [diff] [blame] | 1482 | LinkProperties p = nt.getLinkProperties(); |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 1483 | if (p == null) return; |
| 1484 | Collection<InetAddress> dnses = p.getDnses(); |
| 1485 | if (mNetAttributes[netType].isDefault()) { |
| 1486 | int j = 1; |
Robert Greenwalt | e90aa5e | 2010-09-01 11:34:05 -0700 | [diff] [blame] | 1487 | if (dnses.size() == 0 && mDefaultDns != null) { |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 1488 | if (DBG) { |
Robert Greenwalt | e90aa5e | 2010-09-01 11:34:05 -0700 | [diff] [blame] | 1489 | Slog.d(TAG, "no dns provided - using " + mDefaultDns.getHostAddress()); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1490 | } |
Robert Greenwalt | e90aa5e | 2010-09-01 11:34:05 -0700 | [diff] [blame] | 1491 | SystemProperties.set("net.dns1", mDefaultDns.getHostAddress()); |
| 1492 | j++; |
| 1493 | } else { |
| 1494 | for (InetAddress dns : dnses) { |
| 1495 | if (DBG) { |
| 1496 | Slog.d(TAG, "adding dns " + dns + " for " + |
| 1497 | nt.getNetworkInfo().getTypeName()); |
| 1498 | } |
| 1499 | SystemProperties.set("net.dns" + j++, dns.getHostAddress()); |
| 1500 | } |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 1501 | } |
| 1502 | for (int k=j ; k<mNumDnsEntries; k++) { |
| 1503 | if (DBG) Slog.d(TAG, "erasing net.dns" + k); |
| 1504 | SystemProperties.set("net.dns" + k, ""); |
| 1505 | } |
| 1506 | mNumDnsEntries = j; |
| 1507 | } else { |
| 1508 | // set per-pid dns for attached secondary nets |
| 1509 | List pids = mNetRequestersPids[netType]; |
| 1510 | for (int y=0; y< pids.size(); y++) { |
| 1511 | Integer pid = (Integer)pids.get(y); |
| 1512 | writePidDns(dnses, pid.intValue()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1513 | } |
| 1514 | } |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 1515 | bumpDns(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1516 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1517 | } |
| 1518 | |
| 1519 | private int getRestoreDefaultNetworkDelay() { |
| 1520 | String restoreDefaultNetworkDelayStr = SystemProperties.get( |
| 1521 | NETWORK_RESTORE_DELAY_PROP_NAME); |
| 1522 | if(restoreDefaultNetworkDelayStr != null && |
| 1523 | restoreDefaultNetworkDelayStr.length() != 0) { |
| 1524 | try { |
| 1525 | return Integer.valueOf(restoreDefaultNetworkDelayStr); |
| 1526 | } catch (NumberFormatException e) { |
| 1527 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1528 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1529 | return RESTORE_DEFAULT_NETWORK_DELAY; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1530 | } |
| 1531 | |
| 1532 | @Override |
| 1533 | protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1534 | if (mContext.checkCallingOrSelfPermission( |
| 1535 | android.Manifest.permission.DUMP) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1536 | != PackageManager.PERMISSION_GRANTED) { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1537 | pw.println("Permission Denial: can't dump ConnectivityService " + |
| 1538 | "from from pid=" + Binder.getCallingPid() + ", uid=" + |
| 1539 | Binder.getCallingUid()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1540 | return; |
| 1541 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1542 | pw.println(); |
| 1543 | for (NetworkStateTracker nst : mNetTrackers) { |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 1544 | if (nst != null) { |
| 1545 | if (nst.getNetworkInfo().isConnected()) { |
| 1546 | pw.println("Active network: " + nst.getNetworkInfo(). |
| 1547 | getTypeName()); |
| 1548 | } |
| 1549 | pw.println(nst.getNetworkInfo()); |
| 1550 | pw.println(nst); |
| 1551 | pw.println(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1552 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1553 | } |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 1554 | |
| 1555 | pw.println("Network Requester Pids:"); |
| 1556 | for (int net : mPriorityList) { |
| 1557 | String pidString = net + ": "; |
| 1558 | for (Object pid : mNetRequestersPids[net]) { |
| 1559 | pidString = pidString + pid.toString() + ", "; |
| 1560 | } |
| 1561 | pw.println(pidString); |
| 1562 | } |
| 1563 | pw.println(); |
| 1564 | |
| 1565 | pw.println("FeatureUsers:"); |
| 1566 | for (Object requester : mFeatureUsers) { |
| 1567 | pw.println(requester.toString()); |
| 1568 | } |
| 1569 | pw.println(); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1570 | |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 1571 | synchronized (this) { |
| 1572 | pw.println("NetworkTranstionWakeLock is currently " + |
| 1573 | (mNetTransitionWakeLock.isHeld() ? "" : "not ") + "held."); |
| 1574 | pw.println("It was last requested for "+mNetTransitionWakeLockCausedBy); |
| 1575 | } |
| 1576 | pw.println(); |
| 1577 | |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1578 | mTethering.dump(fd, pw, args); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1579 | } |
| 1580 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1581 | // must be stateless - things change under us. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1582 | private class MyHandler extends Handler { |
| 1583 | @Override |
| 1584 | public void handleMessage(Message msg) { |
| 1585 | NetworkInfo info; |
| 1586 | switch (msg.what) { |
| 1587 | case NetworkStateTracker.EVENT_STATE_CHANGED: |
| 1588 | info = (NetworkInfo) msg.obj; |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1589 | int type = info.getType(); |
| 1590 | NetworkInfo.State state = info.getState(); |
Robert Greenwalt | 6e6dec2 | 2010-01-25 16:14:00 -0800 | [diff] [blame] | 1591 | // only do this optimization for wifi. It going into scan mode for location |
| 1592 | // services generates alot of noise. Meanwhile the mms apn won't send out |
| 1593 | // subsequent notifications when on default cellular because it never |
| 1594 | // disconnects.. so only do this to wifi notifications. Fixed better when the |
| 1595 | // APN notifications are standardized. |
| 1596 | if (mNetAttributes[type].mLastState == state && |
| 1597 | mNetAttributes[type].mRadio == ConnectivityManager.TYPE_WIFI) { |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1598 | if (DBG) { |
Robert Greenwalt | 6e6dec2 | 2010-01-25 16:14:00 -0800 | [diff] [blame] | 1599 | // TODO - remove this after we validate the dropping doesn't break |
| 1600 | // anything |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1601 | Slog.d(TAG, "Dropping ConnectivityChange for " + |
Robert Greenwalt | 1193ae4 | 2010-01-13 09:36:31 -0800 | [diff] [blame] | 1602 | info.getTypeName() + ": " + |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1603 | state + "/" + info.getDetailedState()); |
| 1604 | } |
| 1605 | return; |
| 1606 | } |
| 1607 | mNetAttributes[type].mLastState = state; |
| 1608 | |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1609 | if (DBG) Slog.d(TAG, "ConnectivityChange for " + |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1610 | info.getTypeName() + ": " + |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1611 | state + "/" + info.getDetailedState()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1612 | |
| 1613 | // Connectivity state changed: |
| 1614 | // [31-13] Reserved for future use |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1615 | // [12-9] Network subtype (for mobile network, as defined |
| 1616 | // by TelephonyManager) |
| 1617 | // [8-3] Detailed state ordinal (as defined by |
| 1618 | // NetworkInfo.DetailedState) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1619 | // [2-0] Network type (as defined by ConnectivityManager) |
| 1620 | int eventLogParam = (info.getType() & 0x7) | |
| 1621 | ((info.getDetailedState().ordinal() & 0x3f) << 3) | |
| 1622 | (info.getSubtype() << 9); |
Doug Zongker | ab5c49c | 2009-12-04 10:31:43 -0800 | [diff] [blame] | 1623 | EventLog.writeEvent(EventLogTags.CONNECTIVITY_STATE_CHANGED, |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1624 | eventLogParam); |
| 1625 | |
| 1626 | if (info.getDetailedState() == |
| 1627 | NetworkInfo.DetailedState.FAILED) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1628 | handleConnectionFailure(info); |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1629 | } else if (state == NetworkInfo.State.DISCONNECTED) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1630 | handleDisconnect(info); |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1631 | } else if (state == NetworkInfo.State.SUSPENDED) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1632 | // TODO: need to think this over. |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1633 | // the logic here is, handle SUSPENDED the same as |
| 1634 | // DISCONNECTED. The only difference being we are |
| 1635 | // broadcasting an intent with NetworkInfo that's |
| 1636 | // suspended. This allows the applications an |
| 1637 | // opportunity to handle DISCONNECTED and SUSPENDED |
| 1638 | // differently, or not. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1639 | handleDisconnect(info); |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1640 | } else if (state == NetworkInfo.State.CONNECTED) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1641 | handleConnect(info); |
| 1642 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1643 | break; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1644 | case NetworkStateTracker.EVENT_CONFIGURATION_CHANGED: |
Robert Greenwalt | c76b8fa | 2010-07-23 15:46:26 -0700 | [diff] [blame] | 1645 | // TODO - make this handle ip/proxy/gateway/dns changes |
| 1646 | info = (NetworkInfo) msg.obj; |
| 1647 | type = info.getType(); |
| 1648 | handleDnsConfigurationChange(type); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1649 | break; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1650 | case NetworkStateTracker.EVENT_RESTORE_DEFAULT_NETWORK: |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 1651 | FeatureUser u = (FeatureUser)msg.obj; |
| 1652 | u.expire(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1653 | break; |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 1654 | case NetworkStateTracker.EVENT_CLEAR_NET_TRANSITION_WAKELOCK: |
| 1655 | String causedBy = null; |
| 1656 | synchronized (ConnectivityService.this) { |
| 1657 | if (msg.arg1 == mNetTransitionWakeLockSerialNumber && |
| 1658 | mNetTransitionWakeLock.isHeld()) { |
| 1659 | mNetTransitionWakeLock.release(); |
| 1660 | causedBy = mNetTransitionWakeLockCausedBy; |
| 1661 | } |
| 1662 | } |
| 1663 | if (causedBy != null) { |
| 1664 | Slog.d(TAG, "NetTransition Wakelock for " + |
| 1665 | causedBy + " released by timeout"); |
| 1666 | } |
| 1667 | break; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1668 | } |
| 1669 | } |
| 1670 | } |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 1671 | |
| 1672 | // javadoc from interface |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 1673 | public int tether(String iface) { |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 1674 | enforceTetherChangePermission(); |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 1675 | |
| 1676 | if (isTetheringSupported()) { |
| 1677 | return mTethering.tether(iface); |
| 1678 | } else { |
| 1679 | return ConnectivityManager.TETHER_ERROR_UNSUPPORTED; |
| 1680 | } |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 1681 | } |
| 1682 | |
| 1683 | // javadoc from interface |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 1684 | public int untether(String iface) { |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 1685 | enforceTetherChangePermission(); |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 1686 | |
| 1687 | if (isTetheringSupported()) { |
| 1688 | return mTethering.untether(iface); |
| 1689 | } else { |
| 1690 | return ConnectivityManager.TETHER_ERROR_UNSUPPORTED; |
| 1691 | } |
| 1692 | } |
| 1693 | |
| 1694 | // javadoc from interface |
| 1695 | public int getLastTetherError(String iface) { |
| 1696 | enforceTetherAccessPermission(); |
| 1697 | |
| 1698 | if (isTetheringSupported()) { |
| 1699 | return mTethering.getLastTetherError(iface); |
| 1700 | } else { |
| 1701 | return ConnectivityManager.TETHER_ERROR_UNSUPPORTED; |
| 1702 | } |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1703 | } |
| 1704 | |
| 1705 | // TODO - proper iface API for selection by property, inspection, etc |
| 1706 | public String[] getTetherableUsbRegexs() { |
| 1707 | enforceTetherAccessPermission(); |
| 1708 | if (isTetheringSupported()) { |
| 1709 | return mTethering.getTetherableUsbRegexs(); |
| 1710 | } else { |
| 1711 | return new String[0]; |
| 1712 | } |
| 1713 | } |
| 1714 | |
| 1715 | public String[] getTetherableWifiRegexs() { |
| 1716 | enforceTetherAccessPermission(); |
| 1717 | if (isTetheringSupported()) { |
| 1718 | return mTethering.getTetherableWifiRegexs(); |
| 1719 | } else { |
| 1720 | return new String[0]; |
| 1721 | } |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 1722 | } |
| 1723 | |
Danica Chang | 6fdd0c6 | 2010-08-11 14:54:43 -0700 | [diff] [blame] | 1724 | public String[] getTetherableBluetoothRegexs() { |
| 1725 | enforceTetherAccessPermission(); |
| 1726 | if (isTetheringSupported()) { |
| 1727 | return mTethering.getTetherableBluetoothRegexs(); |
| 1728 | } else { |
| 1729 | return new String[0]; |
| 1730 | } |
| 1731 | } |
| 1732 | |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 1733 | // TODO - move iface listing, queries, etc to new module |
| 1734 | // javadoc from interface |
| 1735 | public String[] getTetherableIfaces() { |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1736 | enforceTetherAccessPermission(); |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 1737 | return mTethering.getTetherableIfaces(); |
| 1738 | } |
| 1739 | |
| 1740 | public String[] getTetheredIfaces() { |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1741 | enforceTetherAccessPermission(); |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 1742 | return mTethering.getTetheredIfaces(); |
| 1743 | } |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1744 | |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 1745 | public String[] getTetheringErroredIfaces() { |
| 1746 | enforceTetherAccessPermission(); |
| 1747 | return mTethering.getErroredIfaces(); |
| 1748 | } |
| 1749 | |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1750 | // if ro.tether.denied = true we default to no tethering |
| 1751 | // gservices could set the secure setting to 1 though to enable it on a build where it |
| 1752 | // had previously been turned off. |
| 1753 | public boolean isTetheringSupported() { |
| 1754 | enforceTetherAccessPermission(); |
| 1755 | int defaultVal = (SystemProperties.get("ro.tether.denied").equals("true") ? 0 : 1); |
Robert Greenwalt | c9d5fb7 | 2010-02-25 12:29:30 -0800 | [diff] [blame] | 1756 | boolean tetherEnabledInSettings = (Settings.Secure.getInt(mContext.getContentResolver(), |
| 1757 | Settings.Secure.TETHER_SUPPORTED, defaultVal) != 0); |
| 1758 | return tetherEnabledInSettings && mTetheringConfigValid; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1759 | } |
Robert Greenwalt | 14f2ef4 | 2010-06-15 12:19:37 -0700 | [diff] [blame] | 1760 | |
| 1761 | // An API NetworkStateTrackers can call when they lose their network. |
| 1762 | // This will automatically be cleared after X seconds or a network becomes CONNECTED, |
| 1763 | // whichever happens first. The timer is started by the first caller and not |
| 1764 | // restarted by subsequent callers. |
| 1765 | public void requestNetworkTransitionWakelock(String forWhom) { |
| 1766 | enforceConnectivityInternalPermission(); |
| 1767 | synchronized (this) { |
| 1768 | if (mNetTransitionWakeLock.isHeld()) return; |
| 1769 | mNetTransitionWakeLockSerialNumber++; |
| 1770 | mNetTransitionWakeLock.acquire(); |
| 1771 | mNetTransitionWakeLockCausedBy = forWhom; |
| 1772 | } |
| 1773 | mHandler.sendMessageDelayed(mHandler.obtainMessage( |
| 1774 | NetworkStateTracker.EVENT_CLEAR_NET_TRANSITION_WAKELOCK, |
| 1775 | mNetTransitionWakeLockSerialNumber, 0), |
| 1776 | mNetTransitionWakeLockTimeout); |
| 1777 | return; |
| 1778 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1779 | } |