The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2008 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.android.server; |
| 18 | |
| 19 | import android.app.Notification; |
| 20 | import android.app.NotificationManager; |
| 21 | import android.content.ContentResolver; |
| 22 | import android.content.Context; |
| 23 | import android.content.Intent; |
| 24 | import android.content.pm.PackageManager; |
| 25 | import android.net.ConnectivityManager; |
| 26 | import android.net.IConnectivityManager; |
| 27 | import android.net.MobileDataStateTracker; |
| 28 | import android.net.NetworkInfo; |
| 29 | import android.net.NetworkStateTracker; |
| 30 | import android.net.wifi.WifiStateTracker; |
| 31 | import android.os.Binder; |
| 32 | import android.os.Handler; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 33 | import android.os.IBinder; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 34 | import android.os.Looper; |
| 35 | import android.os.Message; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 36 | import android.os.RemoteException; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 37 | import android.os.ServiceManager; |
| 38 | import android.os.SystemProperties; |
| 39 | import android.provider.Settings; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 40 | import android.text.TextUtils; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 41 | import android.util.EventLog; |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 42 | import android.util.Slog; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 43 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 44 | import com.android.internal.telephony.Phone; |
| 45 | |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 46 | import com.android.server.connectivity.Tethering; |
| 47 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 48 | import java.io.FileDescriptor; |
| 49 | import java.io.PrintWriter; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 50 | import java.util.ArrayList; |
| 51 | import java.util.List; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 52 | |
| 53 | /** |
| 54 | * @hide |
| 55 | */ |
| 56 | public class ConnectivityService extends IConnectivityManager.Stub { |
| 57 | |
Robert Greenwalt | d8df149 | 2009-10-06 14:12:53 -0700 | [diff] [blame] | 58 | private static final boolean DBG = true; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 59 | private static final String TAG = "ConnectivityService"; |
| 60 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 61 | // how long to wait before switching back to a radio's default network |
| 62 | private static final int RESTORE_DEFAULT_NETWORK_DELAY = 1 * 60 * 1000; |
| 63 | // system property that can override the above value |
| 64 | private static final String NETWORK_RESTORE_DELAY_PROP_NAME = |
| 65 | "android.telephony.apn-restore"; |
| 66 | |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 67 | |
| 68 | private Tethering mTethering; |
Robert Greenwalt | c9d5fb7 | 2010-02-25 12:29:30 -0800 | [diff] [blame] | 69 | private boolean mTetheringConfigValid = false; |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 70 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 71 | /** |
| 72 | * Sometimes we want to refer to the individual network state |
| 73 | * trackers separately, and sometimes we just want to treat them |
| 74 | * abstractly. |
| 75 | */ |
| 76 | private NetworkStateTracker mNetTrackers[]; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 77 | |
| 78 | /** |
| 79 | * A per Net list of the PID's that requested access to the net |
| 80 | * used both as a refcount and for per-PID DNS selection |
| 81 | */ |
| 82 | private List mNetRequestersPids[]; |
| 83 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 84 | // priority order of the nettrackers |
| 85 | // (excluding dynamically set mNetworkPreference) |
| 86 | // TODO - move mNetworkTypePreference into this |
| 87 | private int[] mPriorityList; |
| 88 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 89 | private Context mContext; |
| 90 | private int mNetworkPreference; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 91 | private int mActiveDefaultNetwork = -1; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 92 | |
| 93 | private int mNumDnsEntries; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 94 | |
| 95 | private boolean mTestMode; |
| 96 | private static ConnectivityService sServiceInstance; |
| 97 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 98 | private Handler mHandler; |
| 99 | |
| 100 | // list of DeathRecipients used to make sure features are turned off when |
| 101 | // a process dies |
| 102 | private List mFeatureUsers; |
| 103 | |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 104 | private boolean mSystemReady; |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 105 | private Intent mInitialBroadcast; |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 106 | |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 107 | private static class NetworkAttributes { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 108 | /** |
| 109 | * Class for holding settings read from resources. |
| 110 | */ |
| 111 | public String mName; |
| 112 | public int mType; |
| 113 | public int mRadio; |
| 114 | public int mPriority; |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 115 | public NetworkInfo.State mLastState; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 116 | public NetworkAttributes(String init) { |
| 117 | String fragments[] = init.split(","); |
| 118 | mName = fragments[0].toLowerCase(); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 119 | mType = Integer.parseInt(fragments[1]); |
| 120 | mRadio = Integer.parseInt(fragments[2]); |
| 121 | mPriority = Integer.parseInt(fragments[3]); |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 122 | mLastState = NetworkInfo.State.UNKNOWN; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 123 | } |
| 124 | public boolean isDefault() { |
| 125 | return (mType == mRadio); |
| 126 | } |
| 127 | } |
| 128 | NetworkAttributes[] mNetAttributes; |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 129 | int mNetworksDefined; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 130 | |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 131 | private static class RadioAttributes { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 132 | public int mSimultaneity; |
| 133 | public int mType; |
| 134 | public RadioAttributes(String init) { |
| 135 | String fragments[] = init.split(","); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 136 | mType = Integer.parseInt(fragments[0]); |
| 137 | mSimultaneity = Integer.parseInt(fragments[1]); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 138 | } |
| 139 | } |
| 140 | RadioAttributes[] mRadioAttributes; |
| 141 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 142 | private static class ConnectivityThread extends Thread { |
| 143 | private Context mContext; |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 144 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 145 | private ConnectivityThread(Context context) { |
| 146 | super("ConnectivityThread"); |
| 147 | mContext = context; |
| 148 | } |
| 149 | |
| 150 | @Override |
| 151 | public void run() { |
| 152 | Looper.prepare(); |
| 153 | synchronized (this) { |
| 154 | sServiceInstance = new ConnectivityService(mContext); |
| 155 | notifyAll(); |
| 156 | } |
| 157 | Looper.loop(); |
| 158 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 159 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 160 | public static ConnectivityService getServiceInstance(Context context) { |
| 161 | ConnectivityThread thread = new ConnectivityThread(context); |
| 162 | thread.start(); |
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 | synchronized (thread) { |
| 165 | while (sServiceInstance == null) { |
| 166 | try { |
| 167 | // Wait until sServiceInstance has been initialized. |
| 168 | thread.wait(); |
| 169 | } catch (InterruptedException ignore) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 170 | Slog.e(TAG, |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 171 | "Unexpected InterruptedException while waiting"+ |
| 172 | " for ConnectivityService thread"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 173 | } |
| 174 | } |
| 175 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 176 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 177 | return sServiceInstance; |
| 178 | } |
| 179 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 180 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 181 | public static ConnectivityService getInstance(Context context) { |
| 182 | return ConnectivityThread.getServiceInstance(context); |
| 183 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 184 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 185 | private ConnectivityService(Context context) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 186 | if (DBG) Slog.v(TAG, "ConnectivityService starting up"); |
Robert Greenwalt | de8383c | 2010-01-14 17:47:58 -0800 | [diff] [blame] | 187 | |
| 188 | // setup our unique device name |
| 189 | String id = Settings.Secure.getString(context.getContentResolver(), |
| 190 | Settings.Secure.ANDROID_ID); |
| 191 | if (id != null && id.length() > 0) { |
| 192 | String name = new String("android_").concat(id); |
| 193 | SystemProperties.set("net.hostname", name); |
| 194 | } |
| 195 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 196 | mContext = context; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 197 | mNetTrackers = new NetworkStateTracker[ |
| 198 | ConnectivityManager.MAX_NETWORK_TYPE+1]; |
| 199 | mHandler = new MyHandler(); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 200 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 201 | mNetworkPreference = getPersistedNetworkPreference(); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 202 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 203 | mRadioAttributes = new RadioAttributes[ConnectivityManager.MAX_RADIO_TYPE+1]; |
| 204 | mNetAttributes = new NetworkAttributes[ConnectivityManager.MAX_NETWORK_TYPE+1]; |
| 205 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 206 | // Load device network attributes from resources |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 207 | String[] raStrings = context.getResources().getStringArray( |
| 208 | com.android.internal.R.array.radioAttributes); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 209 | for (String raString : raStrings) { |
| 210 | RadioAttributes r = new RadioAttributes(raString); |
| 211 | if (r.mType > ConnectivityManager.MAX_RADIO_TYPE) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 212 | 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] | 213 | continue; |
| 214 | } |
| 215 | if (mRadioAttributes[r.mType] != null) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 216 | Slog.e(TAG, "Error in radioAttributes - ignoring attempt to redefine type " + |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 217 | r.mType); |
| 218 | continue; |
| 219 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 220 | mRadioAttributes[r.mType] = r; |
| 221 | } |
| 222 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 223 | String[] naStrings = context.getResources().getStringArray( |
| 224 | com.android.internal.R.array.networkAttributes); |
| 225 | for (String naString : naStrings) { |
| 226 | try { |
| 227 | NetworkAttributes n = new NetworkAttributes(naString); |
| 228 | if (n.mType > ConnectivityManager.MAX_NETWORK_TYPE) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 229 | Slog.e(TAG, "Error in networkAttributes - ignoring attempt to define type " + |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 230 | n.mType); |
| 231 | continue; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 232 | } |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 233 | if (mNetAttributes[n.mType] != null) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 234 | Slog.e(TAG, "Error in networkAttributes - ignoring attempt to redefine type " + |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 235 | n.mType); |
| 236 | continue; |
| 237 | } |
| 238 | if (mRadioAttributes[n.mRadio] == null) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 239 | Slog.e(TAG, "Error in networkAttributes - ignoring attempt to use undefined " + |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 240 | "radio " + n.mRadio + " in network type " + n.mType); |
| 241 | continue; |
| 242 | } |
| 243 | mNetAttributes[n.mType] = n; |
| 244 | mNetworksDefined++; |
| 245 | } catch(Exception e) { |
| 246 | // ignore it - leave the entry null |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 247 | } |
| 248 | } |
| 249 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 250 | // high priority first |
| 251 | mPriorityList = new int[mNetworksDefined]; |
| 252 | { |
| 253 | int insertionPoint = mNetworksDefined-1; |
| 254 | int currentLowest = 0; |
| 255 | int nextLowest = 0; |
| 256 | while (insertionPoint > -1) { |
| 257 | for (NetworkAttributes na : mNetAttributes) { |
| 258 | if (na == null) continue; |
| 259 | if (na.mPriority < currentLowest) continue; |
| 260 | if (na.mPriority > currentLowest) { |
| 261 | if (na.mPriority < nextLowest || nextLowest == 0) { |
| 262 | nextLowest = na.mPriority; |
| 263 | } |
| 264 | continue; |
| 265 | } |
| 266 | mPriorityList[insertionPoint--] = na.mType; |
| 267 | } |
| 268 | currentLowest = nextLowest; |
| 269 | nextLowest = 0; |
| 270 | } |
| 271 | } |
| 272 | |
| 273 | mNetRequestersPids = new ArrayList[ConnectivityManager.MAX_NETWORK_TYPE+1]; |
| 274 | for (int i : mPriorityList) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 275 | mNetRequestersPids[i] = new ArrayList(); |
| 276 | } |
| 277 | |
| 278 | mFeatureUsers = new ArrayList(); |
| 279 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 280 | mNumDnsEntries = 0; |
| 281 | |
| 282 | mTestMode = SystemProperties.get("cm.test.mode").equals("true") |
| 283 | && SystemProperties.get("ro.build.type").equals("eng"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 284 | /* |
| 285 | * Create the network state trackers for Wi-Fi and mobile |
| 286 | * data. Maybe this could be done with a factory class, |
| 287 | * but it's not clear that it's worth it, given that |
| 288 | * the number of different network types is not going |
| 289 | * to change very often. |
| 290 | */ |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 291 | boolean noMobileData = !getMobileDataEnabled(); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 292 | for (int netType : mPriorityList) { |
| 293 | switch (mNetAttributes[netType].mRadio) { |
| 294 | case ConnectivityManager.TYPE_WIFI: |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 295 | if (DBG) Slog.v(TAG, "Starting Wifi Service."); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 296 | WifiStateTracker wst = new WifiStateTracker(context, mHandler); |
| 297 | WifiService wifiService = new WifiService(context, wst); |
| 298 | ServiceManager.addService(Context.WIFI_SERVICE, wifiService); |
Irfan Sheriff | 7b00978 | 2010-03-11 16:37:45 -0800 | [diff] [blame^] | 299 | wifiService.startWifi(); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 300 | mNetTrackers[ConnectivityManager.TYPE_WIFI] = wst; |
| 301 | wst.startMonitoring(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 302 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 303 | break; |
| 304 | case ConnectivityManager.TYPE_MOBILE: |
| 305 | mNetTrackers[netType] = new MobileDataStateTracker(context, mHandler, |
| 306 | netType, mNetAttributes[netType].mName); |
| 307 | mNetTrackers[netType].startMonitoring(); |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 308 | if (noMobileData) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 309 | if (DBG) Slog.d(TAG, "tearing down Mobile networks due to setting"); |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 310 | mNetTrackers[netType].teardown(); |
| 311 | } |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 312 | break; |
| 313 | default: |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 314 | 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] | 315 | mNetAttributes[netType].mRadio); |
| 316 | continue; |
| 317 | } |
| 318 | } |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 319 | |
Robert Greenwalt | dfadaea | 2010-03-11 15:03:08 -0800 | [diff] [blame] | 320 | mTethering = new Tethering(mContext, mHandler.getLooper()); |
Robert Greenwalt | c9d5fb7 | 2010-02-25 12:29:30 -0800 | [diff] [blame] | 321 | mTetheringConfigValid = (((mNetTrackers[ConnectivityManager.TYPE_MOBILE_DUN] != null) || |
| 322 | !mTethering.isDunRequired()) && |
| 323 | (mTethering.getTetherableUsbRegexs().length != 0 || |
| 324 | mTethering.getTetherableWifiRegexs().length != 0) && |
| 325 | mTethering.getUpstreamIfaceRegexs().length != 0); |
| 326 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 327 | } |
| 328 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 329 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 330 | /** |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 331 | * Sets the preferred network. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 332 | * @param preference the new preference |
| 333 | */ |
| 334 | public synchronized void setNetworkPreference(int preference) { |
| 335 | enforceChangePermission(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 336 | if (ConnectivityManager.isNetworkTypeValid(preference) && |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 337 | mNetAttributes[preference] != null && |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 338 | mNetAttributes[preference].isDefault()) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 339 | if (mNetworkPreference != preference) { |
| 340 | persistNetworkPreference(preference); |
| 341 | mNetworkPreference = preference; |
| 342 | enforcePreference(); |
| 343 | } |
| 344 | } |
| 345 | } |
| 346 | |
| 347 | public int getNetworkPreference() { |
| 348 | enforceAccessPermission(); |
| 349 | return mNetworkPreference; |
| 350 | } |
| 351 | |
| 352 | private void persistNetworkPreference(int networkPreference) { |
| 353 | final ContentResolver cr = mContext.getContentResolver(); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 354 | Settings.Secure.putInt(cr, Settings.Secure.NETWORK_PREFERENCE, |
| 355 | networkPreference); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 356 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 357 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 358 | private int getPersistedNetworkPreference() { |
| 359 | final ContentResolver cr = mContext.getContentResolver(); |
| 360 | |
| 361 | final int networkPrefSetting = Settings.Secure |
| 362 | .getInt(cr, Settings.Secure.NETWORK_PREFERENCE, -1); |
| 363 | if (networkPrefSetting != -1) { |
| 364 | return networkPrefSetting; |
| 365 | } |
| 366 | |
| 367 | return ConnectivityManager.DEFAULT_NETWORK_PREFERENCE; |
| 368 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 369 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 370 | /** |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 371 | * 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] | 372 | * In this method, we only tear down a non-preferred network. Establishing |
| 373 | * a connection to the preferred network is taken care of when we handle |
| 374 | * the disconnect event from the non-preferred network |
| 375 | * (see {@link #handleDisconnect(NetworkInfo)}). |
| 376 | */ |
| 377 | private void enforcePreference() { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 378 | if (mNetTrackers[mNetworkPreference].getNetworkInfo().isConnected()) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 379 | return; |
| 380 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 381 | if (!mNetTrackers[mNetworkPreference].isAvailable()) |
| 382 | return; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 383 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 384 | for (int t=0; t <= ConnectivityManager.MAX_RADIO_TYPE; t++) { |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 385 | if (t != mNetworkPreference && mNetTrackers[t] != null && |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 386 | mNetTrackers[t].getNetworkInfo().isConnected()) { |
Robert Greenwalt | ec9fe46 | 2009-08-20 15:25:14 -0700 | [diff] [blame] | 387 | if (DBG) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 388 | Slog.d(TAG, "tearing down " + |
Robert Greenwalt | ec9fe46 | 2009-08-20 15:25:14 -0700 | [diff] [blame] | 389 | mNetTrackers[t].getNetworkInfo() + |
| 390 | " in enforcePreference"); |
| 391 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 392 | teardown(mNetTrackers[t]); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 393 | } |
| 394 | } |
| 395 | } |
| 396 | |
| 397 | private boolean teardown(NetworkStateTracker netTracker) { |
| 398 | if (netTracker.teardown()) { |
| 399 | netTracker.setTeardownRequested(true); |
| 400 | return true; |
| 401 | } else { |
| 402 | return false; |
| 403 | } |
| 404 | } |
| 405 | |
| 406 | /** |
| 407 | * Return NetworkInfo for the active (i.e., connected) network interface. |
| 408 | * It is assumed that at most one network is active at a time. If more |
| 409 | * than one is active, it is indeterminate which will be returned. |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 410 | * @return the info for the active network, or {@code null} if none is |
| 411 | * active |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 412 | */ |
| 413 | public NetworkInfo getActiveNetworkInfo() { |
| 414 | enforceAccessPermission(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 415 | for (int type=0; type <= ConnectivityManager.MAX_NETWORK_TYPE; type++) { |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 416 | if (mNetAttributes[type] == null || !mNetAttributes[type].isDefault()) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 417 | continue; |
| 418 | } |
| 419 | NetworkStateTracker t = mNetTrackers[type]; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 420 | NetworkInfo info = t.getNetworkInfo(); |
| 421 | if (info.isConnected()) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 422 | if (DBG && type != mActiveDefaultNetwork) Slog.e(TAG, |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 423 | "connected default network is not " + |
| 424 | "mActiveDefaultNetwork!"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 425 | return info; |
| 426 | } |
| 427 | } |
| 428 | return null; |
| 429 | } |
| 430 | |
| 431 | public NetworkInfo getNetworkInfo(int networkType) { |
| 432 | enforceAccessPermission(); |
| 433 | if (ConnectivityManager.isNetworkTypeValid(networkType)) { |
| 434 | NetworkStateTracker t = mNetTrackers[networkType]; |
| 435 | if (t != null) |
| 436 | return t.getNetworkInfo(); |
| 437 | } |
| 438 | return null; |
| 439 | } |
| 440 | |
| 441 | public NetworkInfo[] getAllNetworkInfo() { |
| 442 | enforceAccessPermission(); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 443 | NetworkInfo[] result = new NetworkInfo[mNetworksDefined]; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 444 | int i = 0; |
| 445 | for (NetworkStateTracker t : mNetTrackers) { |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 446 | if(t != null) result[i++] = t.getNetworkInfo(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 447 | } |
| 448 | return result; |
| 449 | } |
| 450 | |
| 451 | public boolean setRadios(boolean turnOn) { |
| 452 | boolean result = true; |
| 453 | enforceChangePermission(); |
| 454 | for (NetworkStateTracker t : mNetTrackers) { |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 455 | if (t != null) result = t.setRadio(turnOn) && result; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 456 | } |
| 457 | return result; |
| 458 | } |
| 459 | |
| 460 | public boolean setRadio(int netType, boolean turnOn) { |
| 461 | enforceChangePermission(); |
| 462 | if (!ConnectivityManager.isNetworkTypeValid(netType)) { |
| 463 | return false; |
| 464 | } |
| 465 | NetworkStateTracker tracker = mNetTrackers[netType]; |
| 466 | return tracker != null && tracker.setRadio(turnOn); |
| 467 | } |
| 468 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 469 | /** |
| 470 | * Used to notice when the calling process dies so we can self-expire |
| 471 | * |
| 472 | * Also used to know if the process has cleaned up after itself when |
| 473 | * our auto-expire timer goes off. The timer has a link to an object. |
| 474 | * |
| 475 | */ |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 476 | private class FeatureUser implements IBinder.DeathRecipient { |
| 477 | int mNetworkType; |
| 478 | String mFeature; |
| 479 | IBinder mBinder; |
| 480 | int mPid; |
| 481 | int mUid; |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 482 | long mCreateTime; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 483 | |
| 484 | FeatureUser(int type, String feature, IBinder binder) { |
| 485 | super(); |
| 486 | mNetworkType = type; |
| 487 | mFeature = feature; |
| 488 | mBinder = binder; |
| 489 | mPid = getCallingPid(); |
| 490 | mUid = getCallingUid(); |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 491 | mCreateTime = System.currentTimeMillis(); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 492 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 493 | try { |
| 494 | mBinder.linkToDeath(this, 0); |
| 495 | } catch (RemoteException e) { |
| 496 | binderDied(); |
| 497 | } |
| 498 | } |
| 499 | |
| 500 | void unlinkDeathRecipient() { |
| 501 | mBinder.unlinkToDeath(this, 0); |
| 502 | } |
| 503 | |
| 504 | public void binderDied() { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 505 | Slog.d(TAG, "ConnectivityService FeatureUser binderDied(" + |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 506 | mNetworkType + ", " + mFeature + ", " + mBinder + "), created " + |
| 507 | (System.currentTimeMillis() - mCreateTime) + " mSec ago"); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 508 | stopUsingNetworkFeature(this, false); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 509 | } |
| 510 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 511 | public void expire() { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 512 | Slog.d(TAG, "ConnectivityService FeatureUser expire(" + |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 513 | mNetworkType + ", " + mFeature + ", " + mBinder +"), created " + |
| 514 | (System.currentTimeMillis() - mCreateTime) + " mSec ago"); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 515 | stopUsingNetworkFeature(this, false); |
| 516 | } |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 517 | |
| 518 | public String toString() { |
| 519 | return "FeatureUser("+mNetworkType+","+mFeature+","+mPid+","+mUid+"), created " + |
| 520 | (System.currentTimeMillis() - mCreateTime) + " mSec ago"; |
| 521 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 522 | } |
| 523 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 524 | // javadoc from interface |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 525 | public int startUsingNetworkFeature(int networkType, String feature, |
| 526 | IBinder binder) { |
| 527 | if (DBG) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 528 | Slog.d(TAG, "startUsingNetworkFeature for net " + networkType + |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 529 | ": " + feature); |
| 530 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 531 | enforceChangePermission(); |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 532 | if (!ConnectivityManager.isNetworkTypeValid(networkType) || |
| 533 | mNetAttributes[networkType] == null) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 534 | return Phone.APN_REQUEST_FAILED; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 535 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 536 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 537 | FeatureUser f = new FeatureUser(networkType, feature, binder); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 538 | |
| 539 | // TODO - move this into the MobileDataStateTracker |
| 540 | int usedNetworkType = networkType; |
| 541 | if(networkType == ConnectivityManager.TYPE_MOBILE) { |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 542 | if (!getMobileDataEnabled()) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 543 | if (DBG) Slog.d(TAG, "requested special network with data disabled - rejected"); |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 544 | return Phone.APN_TYPE_NOT_AVAILABLE; |
| 545 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 546 | if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_MMS)) { |
| 547 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_MMS; |
| 548 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_SUPL)) { |
| 549 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_SUPL; |
| 550 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_DUN)) { |
| 551 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_DUN; |
| 552 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_HIPRI)) { |
| 553 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_HIPRI; |
| 554 | } |
| 555 | } |
| 556 | NetworkStateTracker network = mNetTrackers[usedNetworkType]; |
| 557 | if (network != null) { |
| 558 | if (usedNetworkType != networkType) { |
| 559 | Integer currentPid = new Integer(getCallingPid()); |
| 560 | |
| 561 | NetworkStateTracker radio = mNetTrackers[networkType]; |
| 562 | NetworkInfo ni = network.getNetworkInfo(); |
| 563 | |
| 564 | if (ni.isAvailable() == false) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 565 | if (DBG) Slog.d(TAG, "special network not available"); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 566 | return Phone.APN_TYPE_NOT_AVAILABLE; |
| 567 | } |
| 568 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 569 | synchronized(this) { |
| 570 | mFeatureUsers.add(f); |
| 571 | if (!mNetRequestersPids[usedNetworkType].contains(currentPid)) { |
| 572 | // this gets used for per-pid dns when connected |
| 573 | mNetRequestersPids[usedNetworkType].add(currentPid); |
| 574 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 575 | } |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 576 | mHandler.sendMessageDelayed(mHandler.obtainMessage( |
| 577 | NetworkStateTracker.EVENT_RESTORE_DEFAULT_NETWORK, |
| 578 | f), getRestoreDefaultNetworkDelay()); |
| 579 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 580 | |
Robert Greenwalt | a64bf83 | 2009-08-19 20:19:33 -0700 | [diff] [blame] | 581 | if ((ni.isConnectedOrConnecting() == true) && |
| 582 | !network.isTeardownRequested()) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 583 | if (ni.isConnected() == true) { |
| 584 | // add the pid-specific dns |
| 585 | handleDnsConfigurationChange(); |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 586 | if (DBG) Slog.d(TAG, "special network already active"); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 587 | return Phone.APN_ALREADY_ACTIVE; |
| 588 | } |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 589 | if (DBG) Slog.d(TAG, "special network already connecting"); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 590 | return Phone.APN_REQUEST_STARTED; |
| 591 | } |
| 592 | |
| 593 | // check if the radio in play can make another contact |
| 594 | // assume if cannot for now |
| 595 | |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 596 | if (DBG) Slog.d(TAG, "reconnecting to special network"); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 597 | network.reconnect(); |
| 598 | return Phone.APN_REQUEST_STARTED; |
| 599 | } else { |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 600 | synchronized(this) { |
| 601 | mFeatureUsers.add(f); |
| 602 | } |
| 603 | mHandler.sendMessageDelayed(mHandler.obtainMessage( |
| 604 | NetworkStateTracker.EVENT_RESTORE_DEFAULT_NETWORK, |
| 605 | f), getRestoreDefaultNetworkDelay()); |
| 606 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 607 | return network.startUsingNetworkFeature(feature, |
| 608 | getCallingPid(), getCallingUid()); |
| 609 | } |
| 610 | } |
| 611 | return Phone.APN_TYPE_NOT_AVAILABLE; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 612 | } |
| 613 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 614 | // javadoc from interface |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 615 | public int stopUsingNetworkFeature(int networkType, String feature) { |
Robert Greenwalt | b8f1634 | 2009-10-06 17:52:40 -0700 | [diff] [blame] | 616 | enforceChangePermission(); |
| 617 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 618 | int pid = getCallingPid(); |
| 619 | int uid = getCallingUid(); |
| 620 | |
| 621 | FeatureUser u = null; |
| 622 | boolean found = false; |
| 623 | |
| 624 | synchronized(this) { |
| 625 | for (int i = 0; i < mFeatureUsers.size() ; i++) { |
| 626 | u = (FeatureUser)mFeatureUsers.get(i); |
| 627 | if (uid == u.mUid && pid == u.mPid && |
| 628 | networkType == u.mNetworkType && |
| 629 | TextUtils.equals(feature, u.mFeature)) { |
| 630 | found = true; |
| 631 | break; |
| 632 | } |
| 633 | } |
| 634 | } |
| 635 | if (found && u != null) { |
| 636 | // stop regardless of how many other time this proc had called start |
| 637 | return stopUsingNetworkFeature(u, true); |
| 638 | } else { |
| 639 | // none found! |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 640 | if (DBG) Slog.d(TAG, "ignoring stopUsingNetworkFeature - not a live request"); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 641 | return 1; |
| 642 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 643 | } |
| 644 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 645 | private int stopUsingNetworkFeature(FeatureUser u, boolean ignoreDups) { |
| 646 | int networkType = u.mNetworkType; |
| 647 | String feature = u.mFeature; |
| 648 | int pid = u.mPid; |
| 649 | int uid = u.mUid; |
| 650 | |
| 651 | NetworkStateTracker tracker = null; |
| 652 | boolean callTeardown = false; // used to carry our decision outside of sync block |
| 653 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 654 | if (DBG) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 655 | Slog.d(TAG, "stopUsingNetworkFeature for net " + networkType + |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 656 | ": " + feature); |
| 657 | } |
Robert Greenwalt | b8f1634 | 2009-10-06 17:52:40 -0700 | [diff] [blame] | 658 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 659 | if (!ConnectivityManager.isNetworkTypeValid(networkType)) { |
| 660 | return -1; |
| 661 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 662 | |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 663 | // need to link the mFeatureUsers list with the mNetRequestersPids state in this |
| 664 | // sync block |
| 665 | synchronized(this) { |
| 666 | // check if this process still has an outstanding start request |
| 667 | if (!mFeatureUsers.contains(u)) { |
Robert Greenwalt | 78a640a | 2010-03-10 16:10:43 -0800 | [diff] [blame] | 668 | if (DBG) Slog.d(TAG, "ignoring - this process has no outstanding requests"); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 669 | return 1; |
| 670 | } |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 671 | u.unlinkDeathRecipient(); |
| 672 | mFeatureUsers.remove(mFeatureUsers.indexOf(u)); |
| 673 | // If we care about duplicate requests, check for that here. |
| 674 | // |
| 675 | // This is done to support the extension of a request - the app |
| 676 | // can request we start the network feature again and renew the |
| 677 | // auto-shutoff delay. Normal "stop" calls from the app though |
| 678 | // do not pay attention to duplicate requests - in effect the |
| 679 | // API does not refcount and a single stop will counter multiple starts. |
| 680 | if (ignoreDups == false) { |
| 681 | for (int i = 0; i < mFeatureUsers.size() ; i++) { |
| 682 | FeatureUser x = (FeatureUser)mFeatureUsers.get(i); |
| 683 | if (x.mUid == u.mUid && x.mPid == u.mPid && |
| 684 | x.mNetworkType == u.mNetworkType && |
| 685 | TextUtils.equals(x.mFeature, u.mFeature)) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 686 | if (DBG) Slog.d(TAG, "ignoring stopUsingNetworkFeature as dup is found"); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 687 | return 1; |
| 688 | } |
| 689 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 690 | } |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 691 | |
| 692 | // TODO - move to MobileDataStateTracker |
| 693 | int usedNetworkType = networkType; |
| 694 | if (networkType == ConnectivityManager.TYPE_MOBILE) { |
| 695 | if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_MMS)) { |
| 696 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_MMS; |
| 697 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_SUPL)) { |
| 698 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_SUPL; |
| 699 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_DUN)) { |
| 700 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_DUN; |
| 701 | } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_HIPRI)) { |
| 702 | usedNetworkType = ConnectivityManager.TYPE_MOBILE_HIPRI; |
| 703 | } |
| 704 | } |
| 705 | tracker = mNetTrackers[usedNetworkType]; |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 706 | if (tracker == null) { |
Robert Greenwalt | 78a640a | 2010-03-10 16:10:43 -0800 | [diff] [blame] | 707 | 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] | 708 | return -1; |
| 709 | } |
| 710 | if (usedNetworkType != networkType) { |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 711 | Integer currentPid = new Integer(pid); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 712 | mNetRequestersPids[usedNetworkType].remove(currentPid); |
Robert Greenwalt | 421c72b | 2009-12-17 14:54:59 -0800 | [diff] [blame] | 713 | reassessPidDns(pid, true); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 714 | if (mNetRequestersPids[usedNetworkType].size() != 0) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 715 | if (DBG) Slog.d(TAG, "not tearing down special network - " + |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 716 | "others still using it"); |
| 717 | return 1; |
| 718 | } |
| 719 | callTeardown = true; |
| 720 | } |
| 721 | } |
Robert Greenwalt | 78a640a | 2010-03-10 16:10:43 -0800 | [diff] [blame] | 722 | if (DBG) Slog.d(TAG, "Doing network teardown"); |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 723 | if (callTeardown) { |
| 724 | tracker.teardown(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 725 | return 1; |
| 726 | } else { |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 727 | // do it the old fashioned way |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 728 | return tracker.stopUsingNetworkFeature(feature, pid, uid); |
| 729 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 730 | } |
| 731 | |
| 732 | /** |
| 733 | * Ensure that a network route exists to deliver traffic to the specified |
| 734 | * host via the specified network interface. |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 735 | * @param networkType the type of the network over which traffic to the |
| 736 | * specified host is to be routed |
| 737 | * @param hostAddress the IP address of the host to which the route is |
| 738 | * desired |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 739 | * @return {@code true} on success, {@code false} on failure |
| 740 | */ |
| 741 | public boolean requestRouteToHost(int networkType, int hostAddress) { |
| 742 | enforceChangePermission(); |
| 743 | if (!ConnectivityManager.isNetworkTypeValid(networkType)) { |
| 744 | return false; |
| 745 | } |
| 746 | NetworkStateTracker tracker = mNetTrackers[networkType]; |
Robert Greenwalt | 8206ff3 | 2009-09-10 15:06:20 -0700 | [diff] [blame] | 747 | |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 748 | if (tracker == null || !tracker.getNetworkInfo().isConnected() || |
| 749 | tracker.isTeardownRequested()) { |
Robert Greenwalt | 8206ff3 | 2009-09-10 15:06:20 -0700 | [diff] [blame] | 750 | if (DBG) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 751 | Slog.d(TAG, "requestRouteToHost on down network (" + networkType + ") - dropped"); |
Robert Greenwalt | 8206ff3 | 2009-09-10 15:06:20 -0700 | [diff] [blame] | 752 | } |
| 753 | return false; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 754 | } |
Robert Greenwalt | 8206ff3 | 2009-09-10 15:06:20 -0700 | [diff] [blame] | 755 | return tracker.requestRouteToHost(hostAddress); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 756 | } |
| 757 | |
| 758 | /** |
| 759 | * @see ConnectivityManager#getBackgroundDataSetting() |
| 760 | */ |
| 761 | public boolean getBackgroundDataSetting() { |
| 762 | return Settings.Secure.getInt(mContext.getContentResolver(), |
| 763 | Settings.Secure.BACKGROUND_DATA, 1) == 1; |
| 764 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 765 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 766 | /** |
| 767 | * @see ConnectivityManager#setBackgroundDataSetting(boolean) |
| 768 | */ |
| 769 | public void setBackgroundDataSetting(boolean allowBackgroundDataUsage) { |
| 770 | mContext.enforceCallingOrSelfPermission( |
| 771 | android.Manifest.permission.CHANGE_BACKGROUND_DATA_SETTING, |
| 772 | "ConnectivityService"); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 773 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 774 | if (getBackgroundDataSetting() == allowBackgroundDataUsage) return; |
| 775 | |
| 776 | Settings.Secure.putInt(mContext.getContentResolver(), |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 777 | Settings.Secure.BACKGROUND_DATA, |
| 778 | allowBackgroundDataUsage ? 1 : 0); |
| 779 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 780 | Intent broadcast = new Intent( |
| 781 | ConnectivityManager.ACTION_BACKGROUND_DATA_SETTING_CHANGED); |
| 782 | mContext.sendBroadcast(broadcast); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 783 | } |
| 784 | |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 785 | /** |
| 786 | * @see ConnectivityManager#getMobileDataEnabled() |
| 787 | */ |
| 788 | public boolean getMobileDataEnabled() { |
| 789 | enforceAccessPermission(); |
| 790 | boolean retVal = Settings.Secure.getInt(mContext.getContentResolver(), |
| 791 | Settings.Secure.MOBILE_DATA, 1) == 1; |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 792 | if (DBG) Slog.d(TAG, "getMobileDataEnabled returning " + retVal); |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 793 | return retVal; |
| 794 | } |
| 795 | |
| 796 | /** |
| 797 | * @see ConnectivityManager#setMobileDataEnabled(boolean) |
| 798 | */ |
| 799 | public synchronized void setMobileDataEnabled(boolean enabled) { |
| 800 | enforceChangePermission(); |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 801 | if (DBG) Slog.d(TAG, "setMobileDataEnabled(" + enabled + ")"); |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 802 | |
| 803 | if (getMobileDataEnabled() == enabled) return; |
| 804 | |
| 805 | Settings.Secure.putInt(mContext.getContentResolver(), |
| 806 | Settings.Secure.MOBILE_DATA, enabled ? 1 : 0); |
| 807 | |
| 808 | if (enabled) { |
| 809 | if (mNetTrackers[ConnectivityManager.TYPE_MOBILE] != null) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 810 | if (DBG) Slog.d(TAG, "starting up " + mNetTrackers[ConnectivityManager.TYPE_MOBILE]); |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 811 | mNetTrackers[ConnectivityManager.TYPE_MOBILE].reconnect(); |
| 812 | } |
| 813 | } else { |
| 814 | for (NetworkStateTracker nt : mNetTrackers) { |
| 815 | if (nt == null) continue; |
| 816 | int netType = nt.getNetworkInfo().getType(); |
| 817 | if (mNetAttributes[netType].mRadio == ConnectivityManager.TYPE_MOBILE) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 818 | if (DBG) Slog.d(TAG, "tearing down " + nt); |
Robert Greenwalt | c03fa50 | 2010-02-23 18:58:05 -0800 | [diff] [blame] | 819 | nt.teardown(); |
| 820 | } |
| 821 | } |
| 822 | } |
| 823 | } |
| 824 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 825 | private int getNumConnectedNetworks() { |
| 826 | int numConnectedNets = 0; |
| 827 | |
| 828 | for (NetworkStateTracker nt : mNetTrackers) { |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 829 | if (nt != null && nt.getNetworkInfo().isConnected() && |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 830 | !nt.isTeardownRequested()) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 831 | ++numConnectedNets; |
| 832 | } |
| 833 | } |
| 834 | return numConnectedNets; |
| 835 | } |
| 836 | |
| 837 | private void enforceAccessPermission() { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 838 | mContext.enforceCallingOrSelfPermission( |
| 839 | android.Manifest.permission.ACCESS_NETWORK_STATE, |
| 840 | "ConnectivityService"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 841 | } |
| 842 | |
| 843 | private void enforceChangePermission() { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 844 | mContext.enforceCallingOrSelfPermission( |
| 845 | android.Manifest.permission.CHANGE_NETWORK_STATE, |
| 846 | "ConnectivityService"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 847 | } |
| 848 | |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 849 | // TODO Make this a special check when it goes public |
| 850 | private void enforceTetherChangePermission() { |
| 851 | mContext.enforceCallingOrSelfPermission( |
| 852 | android.Manifest.permission.CHANGE_NETWORK_STATE, |
| 853 | "ConnectivityService"); |
| 854 | } |
| 855 | |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 856 | private void enforceTetherAccessPermission() { |
| 857 | mContext.enforceCallingOrSelfPermission( |
| 858 | android.Manifest.permission.ACCESS_NETWORK_STATE, |
| 859 | "ConnectivityService"); |
| 860 | } |
| 861 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 862 | /** |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 863 | * Handle a {@code DISCONNECTED} event. If this pertains to the non-active |
| 864 | * network, we ignore it. If it is for the active network, we send out a |
| 865 | * broadcast. But first, we check whether it might be possible to connect |
| 866 | * to a different network. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 867 | * @param info the {@code NetworkInfo} for the network |
| 868 | */ |
| 869 | private void handleDisconnect(NetworkInfo info) { |
| 870 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 871 | int prevNetType = info.getType(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 872 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 873 | mNetTrackers[prevNetType].setTeardownRequested(false); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 874 | /* |
| 875 | * If the disconnected network is not the active one, then don't report |
| 876 | * this as a loss of connectivity. What probably happened is that we're |
| 877 | * getting the disconnect for a network that we explicitly disabled |
| 878 | * in accordance with network preference policies. |
| 879 | */ |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 880 | if (!mNetAttributes[prevNetType].isDefault()) { |
| 881 | List pids = mNetRequestersPids[prevNetType]; |
| 882 | for (int i = 0; i<pids.size(); i++) { |
| 883 | Integer pid = (Integer)pids.get(i); |
| 884 | // will remove them because the net's no longer connected |
| 885 | // need to do this now as only now do we know the pids and |
| 886 | // can properly null things that are no longer referenced. |
| 887 | reassessPidDns(pid.intValue(), false); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 888 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 889 | } |
| 890 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 891 | Intent intent = new Intent(ConnectivityManager.CONNECTIVITY_ACTION); |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 892 | intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 893 | intent.putExtra(ConnectivityManager.EXTRA_NETWORK_INFO, info); |
| 894 | if (info.isFailover()) { |
| 895 | intent.putExtra(ConnectivityManager.EXTRA_IS_FAILOVER, true); |
| 896 | info.setFailover(false); |
| 897 | } |
| 898 | if (info.getReason() != null) { |
| 899 | intent.putExtra(ConnectivityManager.EXTRA_REASON, info.getReason()); |
| 900 | } |
| 901 | if (info.getExtraInfo() != null) { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 902 | intent.putExtra(ConnectivityManager.EXTRA_EXTRA_INFO, |
| 903 | info.getExtraInfo()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 904 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 905 | |
Robert Greenwalt | cc4b401 | 2010-01-25 17:54:29 -0800 | [diff] [blame] | 906 | NetworkStateTracker newNet = null; |
| 907 | if (mNetAttributes[prevNetType].isDefault()) { |
| 908 | newNet = tryFailover(prevNetType); |
| 909 | if (newNet != null) { |
| 910 | NetworkInfo switchTo = newNet.getNetworkInfo(); |
| 911 | intent.putExtra(ConnectivityManager.EXTRA_OTHER_NETWORK_INFO, switchTo); |
| 912 | } else { |
| 913 | intent.putExtra(ConnectivityManager.EXTRA_NO_CONNECTIVITY, true); |
| 914 | } |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 915 | } |
| 916 | // do this before we broadcast the change |
| 917 | handleConnectivityChange(); |
| 918 | |
| 919 | sendStickyBroadcast(intent); |
| 920 | /* |
| 921 | * If the failover network is already connected, then immediately send |
| 922 | * out a followup broadcast indicating successful failover |
| 923 | */ |
| 924 | if (newNet != null && newNet.getNetworkInfo().isConnected()) { |
| 925 | sendConnectedBroadcast(newNet.getNetworkInfo()); |
| 926 | } |
| 927 | } |
| 928 | |
Robert Greenwalt | cc4b401 | 2010-01-25 17:54:29 -0800 | [diff] [blame] | 929 | // returns null if no failover available |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 930 | private NetworkStateTracker tryFailover(int prevNetType) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 931 | /* |
| 932 | * If this is a default network, check if other defaults are available |
| 933 | * or active |
| 934 | */ |
| 935 | NetworkStateTracker newNet = null; |
| 936 | if (mNetAttributes[prevNetType].isDefault()) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 937 | if (mActiveDefaultNetwork == prevNetType) { |
| 938 | mActiveDefaultNetwork = -1; |
| 939 | } |
| 940 | |
| 941 | int newType = -1; |
| 942 | int newPriority = -1; |
Robert Greenwalt | 3542959 | 2010-02-25 12:04:29 -0800 | [diff] [blame] | 943 | boolean noMobileData = !getMobileDataEnabled(); |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 944 | for (int checkType=0; checkType <= ConnectivityManager.MAX_NETWORK_TYPE; checkType++) { |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 945 | if (checkType == prevNetType) continue; |
| 946 | if (mNetAttributes[checkType] == null) continue; |
Robert Greenwalt | 3542959 | 2010-02-25 12:04:29 -0800 | [diff] [blame] | 947 | if (mNetAttributes[checkType].mRadio == ConnectivityManager.TYPE_MOBILE && |
| 948 | noMobileData) { |
| 949 | if (DBG) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 950 | Slog.d(TAG, "not failing over to mobile type " + checkType + |
Robert Greenwalt | 3542959 | 2010-02-25 12:04:29 -0800 | [diff] [blame] | 951 | " because Mobile Data Disabled"); |
| 952 | } |
| 953 | continue; |
| 954 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 955 | if (mNetAttributes[checkType].isDefault()) { |
| 956 | /* TODO - if we have multiple nets we could use |
| 957 | * we may want to put more thought into which we choose |
| 958 | */ |
| 959 | if (checkType == mNetworkPreference) { |
| 960 | newType = checkType; |
| 961 | break; |
| 962 | } |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 963 | if (mNetAttributes[checkType].mPriority > newPriority) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 964 | newType = checkType; |
Robert Greenwalt | 5154ae76 | 2009-10-30 14:17:42 -0700 | [diff] [blame] | 965 | newPriority = mNetAttributes[newType].mPriority; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 966 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 967 | } |
| 968 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 969 | |
| 970 | if (newType != -1) { |
| 971 | newNet = mNetTrackers[newType]; |
| 972 | /** |
| 973 | * See if the other network is available to fail over to. |
| 974 | * If is not available, we enable it anyway, so that it |
| 975 | * will be able to connect when it does become available, |
| 976 | * but we report a total loss of connectivity rather than |
| 977 | * report that we are attempting to fail over. |
| 978 | */ |
| 979 | if (newNet.isAvailable()) { |
| 980 | NetworkInfo switchTo = newNet.getNetworkInfo(); |
| 981 | switchTo.setFailover(true); |
Robert Greenwalt | a64bf83 | 2009-08-19 20:19:33 -0700 | [diff] [blame] | 982 | if (!switchTo.isConnectedOrConnecting() || |
| 983 | newNet.isTeardownRequested()) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 984 | newNet.reconnect(); |
| 985 | } |
| 986 | if (DBG) { |
| 987 | if (switchTo.isConnected()) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 988 | Slog.v(TAG, "Switching to already connected " + |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 989 | switchTo.getTypeName()); |
| 990 | } else { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 991 | Slog.v(TAG, "Attempting to switch to " + |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 992 | switchTo.getTypeName()); |
| 993 | } |
| 994 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 995 | } else { |
| 996 | newNet.reconnect(); |
Robert Greenwalt | f0fa39e | 2010-03-09 14:55:08 -0800 | [diff] [blame] | 997 | newNet = null; // not officially avail.. try anyway, but |
| 998 | // report no failover |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 999 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1000 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1001 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1002 | |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 1003 | return newNet; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1004 | } |
| 1005 | |
| 1006 | private void sendConnectedBroadcast(NetworkInfo info) { |
| 1007 | Intent intent = new Intent(ConnectivityManager.CONNECTIVITY_ACTION); |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 1008 | intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1009 | intent.putExtra(ConnectivityManager.EXTRA_NETWORK_INFO, info); |
| 1010 | if (info.isFailover()) { |
| 1011 | intent.putExtra(ConnectivityManager.EXTRA_IS_FAILOVER, true); |
| 1012 | info.setFailover(false); |
| 1013 | } |
| 1014 | if (info.getReason() != null) { |
| 1015 | intent.putExtra(ConnectivityManager.EXTRA_REASON, info.getReason()); |
| 1016 | } |
| 1017 | if (info.getExtraInfo() != null) { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1018 | intent.putExtra(ConnectivityManager.EXTRA_EXTRA_INFO, |
| 1019 | info.getExtraInfo()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1020 | } |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1021 | sendStickyBroadcast(intent); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1022 | } |
| 1023 | |
| 1024 | /** |
| 1025 | * Called when an attempt to fail over to another network has failed. |
| 1026 | * @param info the {@link NetworkInfo} for the failed network |
| 1027 | */ |
| 1028 | private void handleConnectionFailure(NetworkInfo info) { |
| 1029 | mNetTrackers[info.getType()].setTeardownRequested(false); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1030 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1031 | String reason = info.getReason(); |
| 1032 | String extraInfo = info.getExtraInfo(); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1033 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1034 | if (DBG) { |
| 1035 | String reasonText; |
| 1036 | if (reason == null) { |
| 1037 | reasonText = "."; |
| 1038 | } else { |
| 1039 | reasonText = " (" + reason + ")."; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1040 | } |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1041 | Slog.v(TAG, "Attempt to connect to " + info.getTypeName() + |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1042 | " failed" + reasonText); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1043 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1044 | |
| 1045 | Intent intent = new Intent(ConnectivityManager.CONNECTIVITY_ACTION); |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 1046 | intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1047 | intent.putExtra(ConnectivityManager.EXTRA_NETWORK_INFO, info); |
| 1048 | if (getActiveNetworkInfo() == null) { |
| 1049 | intent.putExtra(ConnectivityManager.EXTRA_NO_CONNECTIVITY, true); |
| 1050 | } |
| 1051 | if (reason != null) { |
| 1052 | intent.putExtra(ConnectivityManager.EXTRA_REASON, reason); |
| 1053 | } |
| 1054 | if (extraInfo != null) { |
| 1055 | intent.putExtra(ConnectivityManager.EXTRA_EXTRA_INFO, extraInfo); |
| 1056 | } |
| 1057 | if (info.isFailover()) { |
| 1058 | intent.putExtra(ConnectivityManager.EXTRA_IS_FAILOVER, true); |
| 1059 | info.setFailover(false); |
| 1060 | } |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 1061 | |
Robert Greenwalt | cc4b401 | 2010-01-25 17:54:29 -0800 | [diff] [blame] | 1062 | NetworkStateTracker newNet = null; |
| 1063 | if (mNetAttributes[info.getType()].isDefault()) { |
| 1064 | newNet = tryFailover(info.getType()); |
| 1065 | if (newNet != null) { |
| 1066 | NetworkInfo switchTo = newNet.getNetworkInfo(); |
| 1067 | intent.putExtra(ConnectivityManager.EXTRA_OTHER_NETWORK_INFO, switchTo); |
| 1068 | } else { |
| 1069 | intent.putExtra(ConnectivityManager.EXTRA_NO_CONNECTIVITY, true); |
| 1070 | } |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 1071 | } |
Robert Greenwalt | cc4b401 | 2010-01-25 17:54:29 -0800 | [diff] [blame] | 1072 | |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 1073 | // do this before we broadcast the change |
| 1074 | handleConnectivityChange(); |
| 1075 | |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1076 | sendStickyBroadcast(intent); |
Robert Greenwalt | da03c4e | 2010-01-20 19:29:41 -0800 | [diff] [blame] | 1077 | /* |
| 1078 | * If the failover network is already connected, then immediately send |
| 1079 | * out a followup broadcast indicating successful failover |
| 1080 | */ |
| 1081 | if (newNet != null && newNet.getNetworkInfo().isConnected()) { |
| 1082 | sendConnectedBroadcast(newNet.getNetworkInfo()); |
| 1083 | } |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1084 | } |
| 1085 | |
| 1086 | private void sendStickyBroadcast(Intent intent) { |
| 1087 | synchronized(this) { |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 1088 | if (!mSystemReady) { |
| 1089 | mInitialBroadcast = new Intent(intent); |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1090 | } |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 1091 | intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); |
| 1092 | mContext.sendStickyBroadcast(intent); |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1093 | } |
| 1094 | } |
| 1095 | |
| 1096 | void systemReady() { |
| 1097 | synchronized(this) { |
| 1098 | mSystemReady = true; |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 1099 | if (mInitialBroadcast != null) { |
| 1100 | mContext.sendStickyBroadcast(mInitialBroadcast); |
| 1101 | mInitialBroadcast = null; |
Mike Lockwood | 0f79b54 | 2009-08-14 14:18:49 -0400 | [diff] [blame] | 1102 | } |
| 1103 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1104 | } |
| 1105 | |
| 1106 | private void handleConnect(NetworkInfo info) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1107 | int type = info.getType(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1108 | |
| 1109 | // snapshot isFailover, because sendConnectedBroadcast() resets it |
| 1110 | boolean isFailover = info.isFailover(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1111 | NetworkStateTracker thisNet = mNetTrackers[type]; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1112 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1113 | // if this is a default net and other default is running |
| 1114 | // kill the one not preferred |
| 1115 | if (mNetAttributes[type].isDefault()) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1116 | if (mActiveDefaultNetwork != -1 && mActiveDefaultNetwork != type) { |
| 1117 | if ((type != mNetworkPreference && |
| 1118 | mNetAttributes[mActiveDefaultNetwork].mPriority > |
| 1119 | mNetAttributes[type].mPriority) || |
| 1120 | mNetworkPreference == mActiveDefaultNetwork) { |
| 1121 | // don't accept this one |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1122 | if (DBG) Slog.v(TAG, "Not broadcasting CONNECT_ACTION " + |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1123 | "to torn down network " + info.getTypeName()); |
| 1124 | teardown(thisNet); |
| 1125 | return; |
| 1126 | } else { |
| 1127 | // tear down the other |
| 1128 | NetworkStateTracker otherNet = |
| 1129 | mNetTrackers[mActiveDefaultNetwork]; |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1130 | if (DBG) Slog.v(TAG, "Policy requires " + |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1131 | otherNet.getNetworkInfo().getTypeName() + |
| 1132 | " teardown"); |
| 1133 | if (!teardown(otherNet)) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1134 | Slog.e(TAG, "Network declined teardown request"); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1135 | return; |
| 1136 | } |
| 1137 | if (isFailover) { |
| 1138 | otherNet.releaseWakeLock(); |
| 1139 | } |
| 1140 | } |
| 1141 | } |
| 1142 | mActiveDefaultNetwork = type; |
| 1143 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1144 | thisNet.setTeardownRequested(false); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1145 | thisNet.updateNetworkSettings(); |
| 1146 | handleConnectivityChange(); |
| 1147 | sendConnectedBroadcast(info); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1148 | } |
| 1149 | |
| 1150 | private void handleScanResultsAvailable(NetworkInfo info) { |
| 1151 | int networkType = info.getType(); |
| 1152 | if (networkType != ConnectivityManager.TYPE_WIFI) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1153 | if (DBG) Slog.v(TAG, "Got ScanResultsAvailable for " + |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1154 | info.getTypeName() + " network. Don't know how to handle."); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1155 | } |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1156 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1157 | mNetTrackers[networkType].interpretScanResultsAvailable(); |
| 1158 | } |
| 1159 | |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1160 | private void handleNotificationChange(boolean visible, int id, |
| 1161 | Notification notification) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1162 | NotificationManager notificationManager = (NotificationManager) mContext |
| 1163 | .getSystemService(Context.NOTIFICATION_SERVICE); |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1164 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1165 | if (visible) { |
| 1166 | notificationManager.notify(id, notification); |
| 1167 | } else { |
| 1168 | notificationManager.cancel(id); |
| 1169 | } |
| 1170 | } |
| 1171 | |
| 1172 | /** |
| 1173 | * After any kind of change in the connectivity state of any network, |
| 1174 | * make sure that anything that depends on the connectivity state of |
| 1175 | * more than one network is set up correctly. We're mainly concerned |
| 1176 | * with making sure that the list of DNS servers is set up according |
| 1177 | * to which networks are connected, and ensuring that the right routing |
| 1178 | * table entries exist. |
| 1179 | */ |
| 1180 | private void handleConnectivityChange() { |
| 1181 | /* |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1182 | * If a non-default network is enabled, add the host routes that |
Robert Greenwalt | 1ef95f9 | 2009-09-30 21:01:30 -0700 | [diff] [blame] | 1183 | * will allow it's DNS servers to be accessed. Only |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1184 | * If both mobile and wifi are enabled, add the host routes that |
| 1185 | * will allow MMS traffic to pass on the mobile network. But |
| 1186 | * remove the default route for the mobile network, so that there |
| 1187 | * will be only one default route, to ensure that all traffic |
| 1188 | * except MMS will travel via Wi-Fi. |
| 1189 | */ |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1190 | handleDnsConfigurationChange(); |
| 1191 | |
| 1192 | for (int netType : mPriorityList) { |
| 1193 | if (mNetTrackers[netType].getNetworkInfo().isConnected()) { |
| 1194 | if (mNetAttributes[netType].isDefault()) { |
| 1195 | mNetTrackers[netType].addDefaultRoute(); |
| 1196 | } else { |
| 1197 | mNetTrackers[netType].addPrivateDnsRoutes(); |
| 1198 | } |
| 1199 | } else { |
| 1200 | if (mNetAttributes[netType].isDefault()) { |
| 1201 | mNetTrackers[netType].removeDefaultRoute(); |
| 1202 | } else { |
| 1203 | mNetTrackers[netType].removePrivateDnsRoutes(); |
| 1204 | } |
| 1205 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1206 | } |
| 1207 | } |
| 1208 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1209 | /** |
| 1210 | * Adjust the per-process dns entries (net.dns<x>.<pid>) based |
| 1211 | * on the highest priority active net which this process requested. |
| 1212 | * If there aren't any, clear it out |
| 1213 | */ |
| 1214 | private void reassessPidDns(int myPid, boolean doBump) |
| 1215 | { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1216 | if (DBG) Slog.d(TAG, "reassessPidDns for pid " + myPid); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1217 | for(int i : mPriorityList) { |
| 1218 | if (mNetAttributes[i].isDefault()) { |
| 1219 | continue; |
| 1220 | } |
| 1221 | NetworkStateTracker nt = mNetTrackers[i]; |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1222 | if (nt.getNetworkInfo().isConnected() && |
| 1223 | !nt.isTeardownRequested()) { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1224 | List pids = mNetRequestersPids[i]; |
| 1225 | for (int j=0; j<pids.size(); j++) { |
| 1226 | Integer pid = (Integer)pids.get(j); |
| 1227 | if (pid.intValue() == myPid) { |
| 1228 | String[] dnsList = nt.getNameServers(); |
| 1229 | writePidDns(dnsList, myPid); |
| 1230 | if (doBump) { |
| 1231 | bumpDns(); |
| 1232 | } |
| 1233 | return; |
| 1234 | } |
| 1235 | } |
| 1236 | } |
| 1237 | } |
| 1238 | // nothing found - delete |
| 1239 | for (int i = 1; ; i++) { |
| 1240 | String prop = "net.dns" + i + "." + myPid; |
| 1241 | if (SystemProperties.get(prop).length() == 0) { |
| 1242 | if (doBump) { |
| 1243 | bumpDns(); |
| 1244 | } |
| 1245 | return; |
| 1246 | } |
| 1247 | SystemProperties.set(prop, ""); |
| 1248 | } |
| 1249 | } |
| 1250 | |
| 1251 | private void writePidDns(String[] dnsList, int pid) { |
| 1252 | int j = 1; |
| 1253 | for (String dns : dnsList) { |
| 1254 | if (dns != null && !TextUtils.equals(dns, "0.0.0.0")) { |
| 1255 | SystemProperties.set("net.dns" + j++ + "." + pid, dns); |
| 1256 | } |
| 1257 | } |
| 1258 | } |
| 1259 | |
| 1260 | private void bumpDns() { |
| 1261 | /* |
| 1262 | * Bump the property that tells the name resolver library to reread |
| 1263 | * the DNS server list from the properties. |
| 1264 | */ |
| 1265 | String propVal = SystemProperties.get("net.dnschange"); |
| 1266 | int n = 0; |
| 1267 | if (propVal.length() != 0) { |
| 1268 | try { |
| 1269 | n = Integer.parseInt(propVal); |
| 1270 | } catch (NumberFormatException e) {} |
| 1271 | } |
| 1272 | SystemProperties.set("net.dnschange", "" + (n+1)); |
| 1273 | } |
| 1274 | |
| 1275 | private void handleDnsConfigurationChange() { |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1276 | // add default net's dns entries |
| 1277 | for (int x = mPriorityList.length-1; x>= 0; x--) { |
| 1278 | int netType = mPriorityList[x]; |
| 1279 | NetworkStateTracker nt = mNetTrackers[netType]; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1280 | if (nt != null && nt.getNetworkInfo().isConnected() && |
| 1281 | !nt.isTeardownRequested()) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1282 | String[] dnsList = nt.getNameServers(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1283 | if (mNetAttributes[netType].isDefault()) { |
| 1284 | int j = 1; |
| 1285 | for (String dns : dnsList) { |
| 1286 | if (dns != null && !TextUtils.equals(dns, "0.0.0.0")) { |
Robert Greenwalt | 1ef95f9 | 2009-09-30 21:01:30 -0700 | [diff] [blame] | 1287 | if (DBG) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1288 | Slog.d(TAG, "adding dns " + dns + " for " + |
Robert Greenwalt | 1ef95f9 | 2009-09-30 21:01:30 -0700 | [diff] [blame] | 1289 | nt.getNetworkInfo().getTypeName()); |
| 1290 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1291 | SystemProperties.set("net.dns" + j++, dns); |
| 1292 | } |
| 1293 | } |
| 1294 | for (int k=j ; k<mNumDnsEntries; k++) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1295 | if (DBG) Slog.d(TAG, "erasing net.dns" + k); |
Robert Greenwalt | b06324a | 2009-08-25 14:00:10 -0700 | [diff] [blame] | 1296 | SystemProperties.set("net.dns" + k, ""); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1297 | } |
| 1298 | mNumDnsEntries = j; |
| 1299 | } else { |
| 1300 | // set per-pid dns for attached secondary nets |
| 1301 | List pids = mNetRequestersPids[netType]; |
| 1302 | for (int y=0; y< pids.size(); y++) { |
| 1303 | Integer pid = (Integer)pids.get(y); |
| 1304 | writePidDns(dnsList, pid.intValue()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1305 | } |
| 1306 | } |
| 1307 | } |
| 1308 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1309 | |
| 1310 | bumpDns(); |
| 1311 | } |
| 1312 | |
| 1313 | private int getRestoreDefaultNetworkDelay() { |
| 1314 | String restoreDefaultNetworkDelayStr = SystemProperties.get( |
| 1315 | NETWORK_RESTORE_DELAY_PROP_NAME); |
| 1316 | if(restoreDefaultNetworkDelayStr != null && |
| 1317 | restoreDefaultNetworkDelayStr.length() != 0) { |
| 1318 | try { |
| 1319 | return Integer.valueOf(restoreDefaultNetworkDelayStr); |
| 1320 | } catch (NumberFormatException e) { |
| 1321 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1322 | } |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1323 | return RESTORE_DEFAULT_NETWORK_DELAY; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1324 | } |
| 1325 | |
| 1326 | @Override |
| 1327 | protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1328 | if (mContext.checkCallingOrSelfPermission( |
| 1329 | android.Manifest.permission.DUMP) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1330 | != PackageManager.PERMISSION_GRANTED) { |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1331 | pw.println("Permission Denial: can't dump ConnectivityService " + |
| 1332 | "from from pid=" + Binder.getCallingPid() + ", uid=" + |
| 1333 | Binder.getCallingUid()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1334 | return; |
| 1335 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1336 | pw.println(); |
| 1337 | for (NetworkStateTracker nst : mNetTrackers) { |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 1338 | if (nst != null) { |
| 1339 | if (nst.getNetworkInfo().isConnected()) { |
| 1340 | pw.println("Active network: " + nst.getNetworkInfo(). |
| 1341 | getTypeName()); |
| 1342 | } |
| 1343 | pw.println(nst.getNetworkInfo()); |
| 1344 | pw.println(nst); |
| 1345 | pw.println(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1346 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1347 | } |
Robert Greenwalt | b928535 | 2009-12-21 18:24:07 -0800 | [diff] [blame] | 1348 | |
| 1349 | pw.println("Network Requester Pids:"); |
| 1350 | for (int net : mPriorityList) { |
| 1351 | String pidString = net + ": "; |
| 1352 | for (Object pid : mNetRequestersPids[net]) { |
| 1353 | pidString = pidString + pid.toString() + ", "; |
| 1354 | } |
| 1355 | pw.println(pidString); |
| 1356 | } |
| 1357 | pw.println(); |
| 1358 | |
| 1359 | pw.println("FeatureUsers:"); |
| 1360 | for (Object requester : mFeatureUsers) { |
| 1361 | pw.println(requester.toString()); |
| 1362 | } |
| 1363 | pw.println(); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1364 | |
| 1365 | mTethering.dump(fd, pw, args); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1366 | } |
| 1367 | |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1368 | // must be stateless - things change under us. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1369 | private class MyHandler extends Handler { |
| 1370 | @Override |
| 1371 | public void handleMessage(Message msg) { |
| 1372 | NetworkInfo info; |
| 1373 | switch (msg.what) { |
| 1374 | case NetworkStateTracker.EVENT_STATE_CHANGED: |
| 1375 | info = (NetworkInfo) msg.obj; |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1376 | int type = info.getType(); |
| 1377 | NetworkInfo.State state = info.getState(); |
Robert Greenwalt | 6e6dec2 | 2010-01-25 16:14:00 -0800 | [diff] [blame] | 1378 | // only do this optimization for wifi. It going into scan mode for location |
| 1379 | // services generates alot of noise. Meanwhile the mms apn won't send out |
| 1380 | // subsequent notifications when on default cellular because it never |
| 1381 | // disconnects.. so only do this to wifi notifications. Fixed better when the |
| 1382 | // APN notifications are standardized. |
| 1383 | if (mNetAttributes[type].mLastState == state && |
| 1384 | mNetAttributes[type].mRadio == ConnectivityManager.TYPE_WIFI) { |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1385 | if (DBG) { |
Robert Greenwalt | 6e6dec2 | 2010-01-25 16:14:00 -0800 | [diff] [blame] | 1386 | // TODO - remove this after we validate the dropping doesn't break |
| 1387 | // anything |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1388 | Slog.d(TAG, "Dropping ConnectivityChange for " + |
Robert Greenwalt | 1193ae4 | 2010-01-13 09:36:31 -0800 | [diff] [blame] | 1389 | info.getTypeName() + ": " + |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1390 | state + "/" + info.getDetailedState()); |
| 1391 | } |
| 1392 | return; |
| 1393 | } |
| 1394 | mNetAttributes[type].mLastState = state; |
| 1395 | |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1396 | if (DBG) Slog.d(TAG, "ConnectivityChange for " + |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1397 | info.getTypeName() + ": " + |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1398 | state + "/" + info.getDetailedState()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1399 | |
| 1400 | // Connectivity state changed: |
| 1401 | // [31-13] Reserved for future use |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1402 | // [12-9] Network subtype (for mobile network, as defined |
| 1403 | // by TelephonyManager) |
| 1404 | // [8-3] Detailed state ordinal (as defined by |
| 1405 | // NetworkInfo.DetailedState) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1406 | // [2-0] Network type (as defined by ConnectivityManager) |
| 1407 | int eventLogParam = (info.getType() & 0x7) | |
| 1408 | ((info.getDetailedState().ordinal() & 0x3f) << 3) | |
| 1409 | (info.getSubtype() << 9); |
Doug Zongker | ab5c49c | 2009-12-04 10:31:43 -0800 | [diff] [blame] | 1410 | EventLog.writeEvent(EventLogTags.CONNECTIVITY_STATE_CHANGED, |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1411 | eventLogParam); |
| 1412 | |
| 1413 | if (info.getDetailedState() == |
| 1414 | NetworkInfo.DetailedState.FAILED) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1415 | handleConnectionFailure(info); |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1416 | } else if (state == NetworkInfo.State.DISCONNECTED) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1417 | handleDisconnect(info); |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1418 | } else if (state == NetworkInfo.State.SUSPENDED) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1419 | // TODO: need to think this over. |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1420 | // the logic here is, handle SUSPENDED the same as |
| 1421 | // DISCONNECTED. The only difference being we are |
| 1422 | // broadcasting an intent with NetworkInfo that's |
| 1423 | // suspended. This allows the applications an |
| 1424 | // opportunity to handle DISCONNECTED and SUSPENDED |
| 1425 | // differently, or not. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1426 | handleDisconnect(info); |
Robert Greenwalt | 511288a | 2009-12-07 11:33:18 -0800 | [diff] [blame] | 1427 | } else if (state == NetworkInfo.State.CONNECTED) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1428 | handleConnect(info); |
| 1429 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1430 | break; |
| 1431 | |
| 1432 | case NetworkStateTracker.EVENT_SCAN_RESULTS_AVAILABLE: |
| 1433 | info = (NetworkInfo) msg.obj; |
| 1434 | handleScanResultsAvailable(info); |
| 1435 | break; |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1436 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1437 | case NetworkStateTracker.EVENT_NOTIFICATION_CHANGED: |
Robert Greenwalt | 86e9e55 | 2009-07-16 17:21:39 -0700 | [diff] [blame] | 1438 | handleNotificationChange(msg.arg1 == 1, msg.arg2, |
| 1439 | (Notification) msg.obj); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1440 | |
| 1441 | case NetworkStateTracker.EVENT_CONFIGURATION_CHANGED: |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1442 | handleDnsConfigurationChange(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1443 | break; |
| 1444 | |
| 1445 | case NetworkStateTracker.EVENT_ROAMING_CHANGED: |
| 1446 | // fill me in |
| 1447 | break; |
| 1448 | |
| 1449 | case NetworkStateTracker.EVENT_NETWORK_SUBTYPE_CHANGED: |
| 1450 | // fill me in |
| 1451 | break; |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1452 | case NetworkStateTracker.EVENT_RESTORE_DEFAULT_NETWORK: |
Robert Greenwalt | 9c75d4a | 2009-09-27 17:27:04 -0700 | [diff] [blame] | 1453 | FeatureUser u = (FeatureUser)msg.obj; |
| 1454 | u.expire(); |
Robert Greenwalt | 42acef3 | 2009-08-12 16:08:25 -0700 | [diff] [blame] | 1455 | break; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1456 | } |
| 1457 | } |
| 1458 | } |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 1459 | |
| 1460 | // javadoc from interface |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 1461 | public int tether(String iface) { |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 1462 | enforceTetherChangePermission(); |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 1463 | |
| 1464 | if (isTetheringSupported()) { |
| 1465 | return mTethering.tether(iface); |
| 1466 | } else { |
| 1467 | return ConnectivityManager.TETHER_ERROR_UNSUPPORTED; |
| 1468 | } |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 1469 | } |
| 1470 | |
| 1471 | // javadoc from interface |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 1472 | public int untether(String iface) { |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 1473 | enforceTetherChangePermission(); |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 1474 | |
| 1475 | if (isTetheringSupported()) { |
| 1476 | return mTethering.untether(iface); |
| 1477 | } else { |
| 1478 | return ConnectivityManager.TETHER_ERROR_UNSUPPORTED; |
| 1479 | } |
| 1480 | } |
| 1481 | |
| 1482 | // javadoc from interface |
| 1483 | public int getLastTetherError(String iface) { |
| 1484 | enforceTetherAccessPermission(); |
| 1485 | |
| 1486 | if (isTetheringSupported()) { |
| 1487 | return mTethering.getLastTetherError(iface); |
| 1488 | } else { |
| 1489 | return ConnectivityManager.TETHER_ERROR_UNSUPPORTED; |
| 1490 | } |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1491 | } |
| 1492 | |
| 1493 | // TODO - proper iface API for selection by property, inspection, etc |
| 1494 | public String[] getTetherableUsbRegexs() { |
| 1495 | enforceTetherAccessPermission(); |
| 1496 | if (isTetheringSupported()) { |
| 1497 | return mTethering.getTetherableUsbRegexs(); |
| 1498 | } else { |
| 1499 | return new String[0]; |
| 1500 | } |
| 1501 | } |
| 1502 | |
| 1503 | public String[] getTetherableWifiRegexs() { |
| 1504 | enforceTetherAccessPermission(); |
| 1505 | if (isTetheringSupported()) { |
| 1506 | return mTethering.getTetherableWifiRegexs(); |
| 1507 | } else { |
| 1508 | return new String[0]; |
| 1509 | } |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 1510 | } |
| 1511 | |
| 1512 | // TODO - move iface listing, queries, etc to new module |
| 1513 | // javadoc from interface |
| 1514 | public String[] getTetherableIfaces() { |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1515 | enforceTetherAccessPermission(); |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 1516 | return mTethering.getTetherableIfaces(); |
| 1517 | } |
| 1518 | |
| 1519 | public String[] getTetheredIfaces() { |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1520 | enforceTetherAccessPermission(); |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 1521 | return mTethering.getTetheredIfaces(); |
| 1522 | } |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1523 | |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 1524 | public String[] getTetheringErroredIfaces() { |
| 1525 | enforceTetherAccessPermission(); |
| 1526 | return mTethering.getErroredIfaces(); |
| 1527 | } |
| 1528 | |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1529 | // if ro.tether.denied = true we default to no tethering |
| 1530 | // gservices could set the secure setting to 1 though to enable it on a build where it |
| 1531 | // had previously been turned off. |
| 1532 | public boolean isTetheringSupported() { |
| 1533 | enforceTetherAccessPermission(); |
| 1534 | int defaultVal = (SystemProperties.get("ro.tether.denied").equals("true") ? 0 : 1); |
Robert Greenwalt | c9d5fb7 | 2010-02-25 12:29:30 -0800 | [diff] [blame] | 1535 | boolean tetherEnabledInSettings = (Settings.Secure.getInt(mContext.getContentResolver(), |
| 1536 | Settings.Secure.TETHER_SUPPORTED, defaultVal) != 0); |
| 1537 | return tetherEnabledInSettings && mTetheringConfigValid; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1538 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1539 | } |