The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 2 | * Copyright (C) 2010 The Android Open Source Project |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 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 | |
Irfan Sheriff | d017f35 | 2013-02-20 13:30:44 -0800 | [diff] [blame] | 17 | package com.android.server.wifi; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 18 | |
Irfan Sheriff | 330b187 | 2012-09-16 12:27:57 -0700 | [diff] [blame] | 19 | import android.app.ActivityManager; |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 20 | import android.app.AppOpsManager; |
Jaikumar Ganesh | 7440fc2 | 2010-09-27 17:04:14 -0700 | [diff] [blame] | 21 | import android.bluetooth.BluetoothAdapter; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 22 | import android.content.BroadcastReceiver; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 23 | import android.content.Context; |
| 24 | import android.content.Intent; |
| 25 | import android.content.IntentFilter; |
| 26 | import android.content.pm.PackageManager; |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 27 | import android.database.ContentObserver; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 28 | import android.net.wifi.IWifiManager; |
Irfan Sheriff | 4aeca7c5 | 2011-03-10 16:53:33 -0800 | [diff] [blame] | 29 | import android.net.wifi.ScanResult; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 30 | import android.net.wifi.WifiInfo; |
| 31 | import android.net.wifi.WifiManager; |
Irfan Sheriff | 0d25534 | 2010-07-28 09:35:20 -0700 | [diff] [blame] | 32 | import android.net.wifi.WifiStateMachine; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 33 | import android.net.wifi.WifiConfiguration; |
Isaac Levy | 654f509 | 2011-07-13 17:41:45 -0700 | [diff] [blame] | 34 | import android.net.wifi.WifiWatchdogStateMachine; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 35 | import android.net.DhcpInfo; |
Robert Greenwalt | 4717c26 | 2012-10-31 14:32:53 -0700 | [diff] [blame] | 36 | import android.net.DhcpResults; |
| 37 | import android.net.LinkAddress; |
Robert Greenwalt | 4717c26 | 2012-10-31 14:32:53 -0700 | [diff] [blame] | 38 | import android.net.NetworkUtils; |
| 39 | import android.net.RouteInfo; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 40 | import android.os.Binder; |
Irfan Sheriff | 0d25534 | 2010-07-28 09:35:20 -0700 | [diff] [blame] | 41 | import android.os.Handler; |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 42 | import android.os.Messenger; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 43 | import android.os.HandlerThread; |
| 44 | import android.os.IBinder; |
Irfan Sheriff | 5321aef | 2010-02-12 12:35:59 -0800 | [diff] [blame] | 45 | import android.os.INetworkManagementService; |
Irfan Sheriff | 0d25534 | 2010-07-28 09:35:20 -0700 | [diff] [blame] | 46 | import android.os.Message; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 47 | import android.os.RemoteException; |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 48 | import android.os.SystemProperties; |
Irfan Sheriff | 330b187 | 2012-09-16 12:27:57 -0700 | [diff] [blame] | 49 | import android.os.UserHandle; |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 50 | import android.os.WorkSource; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 51 | import android.provider.Settings; |
Nick Pelly | 6ccaa54 | 2012-06-15 15:22:47 -0700 | [diff] [blame] | 52 | import android.util.Log; |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 53 | import android.util.Slog; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 54 | |
Irfan Sheriff | f0afe41 | 2012-11-30 14:07:44 -0800 | [diff] [blame] | 55 | import java.io.FileDescriptor; |
| 56 | import java.io.PrintWriter; |
Robert Greenwalt | 4717c26 | 2012-10-31 14:32:53 -0700 | [diff] [blame] | 57 | import java.net.InetAddress; |
| 58 | import java.net.Inet4Address; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 59 | import java.util.ArrayList; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 60 | import java.util.List; |
Irfan Sheriff | 07a2295 | 2013-03-27 13:27:39 -0700 | [diff] [blame] | 61 | import java.util.concurrent.atomic.AtomicBoolean; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 62 | |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 63 | import com.android.internal.R; |
The Android Open Source Project | 1059253 | 2009-03-18 17:39:46 -0700 | [diff] [blame] | 64 | import com.android.internal.app.IBatteryStats; |
Irfan Sheriff | 616f317 | 2011-09-11 19:59:01 -0700 | [diff] [blame] | 65 | import com.android.internal.telephony.TelephonyIntents; |
Wink Saville | 4b7ba09 | 2010-10-20 15:37:41 -0700 | [diff] [blame] | 66 | import com.android.internal.util.AsyncChannel; |
The Android Open Source Project | 1059253 | 2009-03-18 17:39:46 -0700 | [diff] [blame] | 67 | import com.android.server.am.BatteryStatsService; |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 68 | import static com.android.server.wifi.WifiController.CMD_AIRPLANE_TOGGLED; |
| 69 | import static com.android.server.wifi.WifiController.CMD_BATTERY_CHANGED; |
| 70 | import static com.android.server.wifi.WifiController.CMD_EMERGENCY_MODE_CHANGED; |
| 71 | import static com.android.server.wifi.WifiController.CMD_LOCKS_CHANGED; |
| 72 | import static com.android.server.wifi.WifiController.CMD_SCAN_ALWAYS_MODE_CHANGED; |
| 73 | import static com.android.server.wifi.WifiController.CMD_SCREEN_OFF; |
| 74 | import static com.android.server.wifi.WifiController.CMD_SCREEN_ON; |
| 75 | import static com.android.server.wifi.WifiController.CMD_SET_AP; |
| 76 | import static com.android.server.wifi.WifiController.CMD_WIFI_TOGGLED; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 77 | /** |
| 78 | * WifiService handles remote WiFi operation requests by implementing |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 79 | * the IWifiManager interface. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 80 | * |
| 81 | * @hide |
| 82 | */ |
Irfan Sheriff | b8c0e00 | 2013-02-20 14:19:54 -0800 | [diff] [blame] | 83 | public final class WifiService extends IWifiManager.Stub { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 84 | private static final String TAG = "WifiService"; |
Dianne Hackborn | 5fd2169 | 2011-06-07 14:09:47 -0700 | [diff] [blame] | 85 | private static final boolean DBG = false; |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 86 | |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 87 | final WifiStateMachine mWifiStateMachine; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 88 | |
Irfan Sheriff | b8c0e00 | 2013-02-20 14:19:54 -0800 | [diff] [blame] | 89 | private final Context mContext; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 90 | |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 91 | final LockList mLocks = new LockList(); |
Eric Shienbrood | 5711fad | 2009-03-27 20:25:31 -0700 | [diff] [blame] | 92 | // some wifi lock statistics |
Irfan Sheriff | 5876a42 | 2010-08-12 20:26:23 -0700 | [diff] [blame] | 93 | private int mFullHighPerfLocksAcquired; |
| 94 | private int mFullHighPerfLocksReleased; |
Eric Shienbrood | 5711fad | 2009-03-27 20:25:31 -0700 | [diff] [blame] | 95 | private int mFullLocksAcquired; |
| 96 | private int mFullLocksReleased; |
| 97 | private int mScanLocksAcquired; |
| 98 | private int mScanLocksReleased; |
The Android Open Source Project | 1059253 | 2009-03-18 17:39:46 -0700 | [diff] [blame] | 99 | |
Robert Greenwalt | 58ff021 | 2009-05-19 15:53:54 -0700 | [diff] [blame] | 100 | private final List<Multicaster> mMulticasters = |
| 101 | new ArrayList<Multicaster>(); |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 102 | private int mMulticastEnabled; |
| 103 | private int mMulticastDisabled; |
| 104 | |
The Android Open Source Project | 1059253 | 2009-03-18 17:39:46 -0700 | [diff] [blame] | 105 | private final IBatteryStats mBatteryStats; |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 106 | private final AppOpsManager mAppOps; |
Jaikumar Ganesh | 084c665 | 2009-12-07 10:58:18 -0800 | [diff] [blame] | 107 | |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 108 | private String mInterfaceName; |
| 109 | |
Irfan Sheriff | b8c0e00 | 2013-02-20 14:19:54 -0800 | [diff] [blame] | 110 | /* Tracks the open wi-fi network notification */ |
| 111 | private WifiNotificationController mNotificationController; |
| 112 | /* Polls traffic stats and notifies clients */ |
| 113 | private WifiTrafficPoller mTrafficPoller; |
| 114 | /* Tracks the persisted states for wi-fi & airplane mode */ |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 115 | final WifiSettingsStore mSettingsStore; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 116 | |
Dianne Hackborn | 03f3cb0 | 2010-09-17 23:12:26 -0700 | [diff] [blame] | 117 | /** |
Wink Saville | 4b7ba09 | 2010-10-20 15:37:41 -0700 | [diff] [blame] | 118 | * Asynchronous channel to WifiStateMachine |
| 119 | */ |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 120 | private AsyncChannel mWifiStateMachineChannel; |
Wink Saville | 4b7ba09 | 2010-10-20 15:37:41 -0700 | [diff] [blame] | 121 | |
| 122 | /** |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 123 | * Handles client connections |
| 124 | */ |
Irfan Sheriff | b8c0e00 | 2013-02-20 14:19:54 -0800 | [diff] [blame] | 125 | private class ClientHandler extends Handler { |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 126 | |
Irfan Sheriff | b8c0e00 | 2013-02-20 14:19:54 -0800 | [diff] [blame] | 127 | ClientHandler(android.os.Looper looper) { |
Wink Saville | 4b7ba09 | 2010-10-20 15:37:41 -0700 | [diff] [blame] | 128 | super(looper); |
Wink Saville | 4b7ba09 | 2010-10-20 15:37:41 -0700 | [diff] [blame] | 129 | } |
| 130 | |
| 131 | @Override |
| 132 | public void handleMessage(Message msg) { |
| 133 | switch (msg.what) { |
| 134 | case AsyncChannel.CMD_CHANNEL_HALF_CONNECTED: { |
| 135 | if (msg.arg1 == AsyncChannel.STATUS_SUCCESSFUL) { |
Irfan Sheriff | 6bfc888 | 2012-08-29 15:35:57 -0700 | [diff] [blame] | 136 | if (DBG) Slog.d(TAG, "New client listening to asynchronous messages"); |
Irfan Sheriff | 302b06d | 2013-02-22 12:35:31 -0800 | [diff] [blame] | 137 | // We track the clients by the Messenger |
| 138 | // since it is expected to be always available |
Irfan Sheriff | c808a19 | 2013-03-05 09:46:36 -0800 | [diff] [blame] | 139 | mTrafficPoller.addClient(msg.replyTo); |
Wink Saville | 4b7ba09 | 2010-10-20 15:37:41 -0700 | [diff] [blame] | 140 | } else { |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 141 | Slog.e(TAG, "Client connection failure, error=" + msg.arg1); |
| 142 | } |
| 143 | break; |
| 144 | } |
Irfan Sheriff | c23971b | 2011-03-04 17:06:31 -0800 | [diff] [blame] | 145 | case AsyncChannel.CMD_CHANNEL_DISCONNECTED: { |
| 146 | if (msg.arg1 == AsyncChannel.STATUS_SEND_UNSUCCESSFUL) { |
Irfan Sheriff | 6bfc888 | 2012-08-29 15:35:57 -0700 | [diff] [blame] | 147 | if (DBG) Slog.d(TAG, "Send failed, client connection lost"); |
Irfan Sheriff | c23971b | 2011-03-04 17:06:31 -0800 | [diff] [blame] | 148 | } else { |
Irfan Sheriff | 6bfc888 | 2012-08-29 15:35:57 -0700 | [diff] [blame] | 149 | if (DBG) Slog.d(TAG, "Client connection lost with reason: " + msg.arg1); |
Irfan Sheriff | c23971b | 2011-03-04 17:06:31 -0800 | [diff] [blame] | 150 | } |
Irfan Sheriff | c808a19 | 2013-03-05 09:46:36 -0800 | [diff] [blame] | 151 | mTrafficPoller.removeClient(msg.replyTo); |
Irfan Sheriff | c23971b | 2011-03-04 17:06:31 -0800 | [diff] [blame] | 152 | break; |
| 153 | } |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 154 | case AsyncChannel.CMD_CHANNEL_FULL_CONNECTION: { |
| 155 | AsyncChannel ac = new AsyncChannel(); |
| 156 | ac.connect(mContext, this, msg.replyTo); |
| 157 | break; |
| 158 | } |
Irfan Sheriff | b8c0e00 | 2013-02-20 14:19:54 -0800 | [diff] [blame] | 159 | /* Client commands are forwarded to state machine */ |
| 160 | case WifiManager.CONNECT_NETWORK: |
| 161 | case WifiManager.SAVE_NETWORK: |
| 162 | case WifiManager.FORGET_NETWORK: |
| 163 | case WifiManager.START_WPS: |
| 164 | case WifiManager.CANCEL_WPS: |
| 165 | case WifiManager.DISABLE_NETWORK: |
Yuhao Zheng | f630782 | 2012-08-14 14:21:25 -0700 | [diff] [blame] | 166 | case WifiManager.RSSI_PKTCNT_FETCH: { |
| 167 | mWifiStateMachine.sendMessage(Message.obtain(msg)); |
| 168 | break; |
| 169 | } |
Wink Saville | 4b7ba09 | 2010-10-20 15:37:41 -0700 | [diff] [blame] | 170 | default: { |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 171 | Slog.d(TAG, "ClientHandler.handleMessage ignoring msg=" + msg); |
Wink Saville | 4b7ba09 | 2010-10-20 15:37:41 -0700 | [diff] [blame] | 172 | break; |
| 173 | } |
| 174 | } |
| 175 | } |
| 176 | } |
Irfan Sheriff | b8c0e00 | 2013-02-20 14:19:54 -0800 | [diff] [blame] | 177 | private ClientHandler mClientHandler; |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 178 | |
| 179 | /** |
| 180 | * Handles interaction with WifiStateMachine |
| 181 | */ |
| 182 | private class WifiStateMachineHandler extends Handler { |
| 183 | private AsyncChannel mWsmChannel; |
| 184 | |
| 185 | WifiStateMachineHandler(android.os.Looper looper) { |
| 186 | super(looper); |
| 187 | mWsmChannel = new AsyncChannel(); |
| 188 | mWsmChannel.connect(mContext, this, mWifiStateMachine.getHandler()); |
| 189 | } |
| 190 | |
| 191 | @Override |
| 192 | public void handleMessage(Message msg) { |
| 193 | switch (msg.what) { |
| 194 | case AsyncChannel.CMD_CHANNEL_HALF_CONNECTED: { |
| 195 | if (msg.arg1 == AsyncChannel.STATUS_SUCCESSFUL) { |
| 196 | mWifiStateMachineChannel = mWsmChannel; |
| 197 | } else { |
| 198 | Slog.e(TAG, "WifiStateMachine connection failure, error=" + msg.arg1); |
| 199 | mWifiStateMachineChannel = null; |
| 200 | } |
| 201 | break; |
| 202 | } |
Irfan Sheriff | 6da83d5 | 2011-06-06 12:54:06 -0700 | [diff] [blame] | 203 | case AsyncChannel.CMD_CHANNEL_DISCONNECTED: { |
| 204 | Slog.e(TAG, "WifiStateMachine channel lost, msg.arg1 =" + msg.arg1); |
| 205 | mWifiStateMachineChannel = null; |
| 206 | //Re-establish connection to state machine |
| 207 | mWsmChannel.connect(mContext, this, mWifiStateMachine.getHandler()); |
| 208 | break; |
| 209 | } |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 210 | default: { |
| 211 | Slog.d(TAG, "WifiStateMachineHandler.handleMessage ignoring msg=" + msg); |
| 212 | break; |
| 213 | } |
| 214 | } |
| 215 | } |
| 216 | } |
| 217 | WifiStateMachineHandler mWifiStateMachineHandler; |
Wink Saville | 4b7ba09 | 2010-10-20 15:37:41 -0700 | [diff] [blame] | 218 | |
Isaac Levy | 654f509 | 2011-07-13 17:41:45 -0700 | [diff] [blame] | 219 | private WifiWatchdogStateMachine mWifiWatchdogStateMachine; |
Irfan Sheriff | 0d25534 | 2010-07-28 09:35:20 -0700 | [diff] [blame] | 220 | |
Irfan Sheriff | b8c0e00 | 2013-02-20 14:19:54 -0800 | [diff] [blame] | 221 | public WifiService(Context context) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 222 | mContext = context; |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 223 | |
| 224 | mInterfaceName = SystemProperties.get("wifi.interface", "wlan0"); |
| 225 | |
| 226 | mWifiStateMachine = new WifiStateMachine(mContext, mInterfaceName); |
Irfan Sheriff | 0d25534 | 2010-07-28 09:35:20 -0700 | [diff] [blame] | 227 | mWifiStateMachine.enableRssiPolling(true); |
The Android Open Source Project | 1059253 | 2009-03-18 17:39:46 -0700 | [diff] [blame] | 228 | mBatteryStats = BatteryStatsService.getService(); |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 229 | mAppOps = (AppOpsManager)context.getSystemService(Context.APP_OPS_SERVICE); |
Jaikumar Ganesh | 084c665 | 2009-12-07 10:58:18 -0800 | [diff] [blame] | 230 | |
Irfan Sheriff | b8c0e00 | 2013-02-20 14:19:54 -0800 | [diff] [blame] | 231 | mNotificationController = new WifiNotificationController(mContext, mWifiStateMachine); |
Irfan Sheriff | c808a19 | 2013-03-05 09:46:36 -0800 | [diff] [blame] | 232 | mTrafficPoller = new WifiTrafficPoller(mContext, mInterfaceName); |
Irfan Sheriff | b8c0e00 | 2013-02-20 14:19:54 -0800 | [diff] [blame] | 233 | mSettingsStore = new WifiSettingsStore(mContext); |
| 234 | |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 235 | HandlerThread wifiThread = new HandlerThread("WifiService"); |
| 236 | wifiThread.start(); |
| 237 | mClientHandler = new ClientHandler(wifiThread.getLooper()); |
| 238 | mWifiStateMachineHandler = new WifiStateMachineHandler(wifiThread.getLooper()); |
| 239 | mWifiController = new WifiController(mContext, this, wifiThread.getLooper()); |
| 240 | mWifiController.start(); |
| 241 | |
| 242 | registerForScanModeChange(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 243 | mContext.registerReceiver( |
| 244 | new BroadcastReceiver() { |
| 245 | @Override |
| 246 | public void onReceive(Context context, Intent intent) { |
Irfan Sheriff | 8a64b1a | 2013-02-20 15:12:41 -0800 | [diff] [blame] | 247 | if (mSettingsStore.handleAirplaneModeToggled()) { |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 248 | mWifiController.sendMessage(CMD_AIRPLANE_TOGGLED); |
Irfan Sheriff | 8a64b1a | 2013-02-20 15:12:41 -0800 | [diff] [blame] | 249 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 250 | } |
| 251 | }, |
| 252 | new IntentFilter(Intent.ACTION_AIRPLANE_MODE_CHANGED)); |
| 253 | |
Irfan Sheriff | e68d858 | 2013-04-23 13:43:43 -0700 | [diff] [blame] | 254 | // Adding optimizations of only receiving broadcasts when wifi is enabled |
| 255 | // can result in race conditions when apps toggle wifi in the background |
| 256 | // without active user involvement. Always receive broadcasts. |
| 257 | registerForBroadcasts(); |
Irfan Sheriff | 7b00978 | 2010-03-11 16:37:45 -0800 | [diff] [blame] | 258 | } |
Irfan Sheriff | 5321aef | 2010-02-12 12:35:59 -0800 | [diff] [blame] | 259 | |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 260 | private WifiController mWifiController; |
| 261 | |
Irfan Sheriff | 7b00978 | 2010-03-11 16:37:45 -0800 | [diff] [blame] | 262 | /** |
| 263 | * Check if Wi-Fi needs to be enabled and start |
| 264 | * if needed |
Irfan Sheriff | 60e3ba0 | 2010-04-02 12:18:45 -0700 | [diff] [blame] | 265 | * |
| 266 | * This function is used only at boot time |
Irfan Sheriff | 7b00978 | 2010-03-11 16:37:45 -0800 | [diff] [blame] | 267 | */ |
Irfan Sheriff | 0d25534 | 2010-07-28 09:35:20 -0700 | [diff] [blame] | 268 | public void checkAndStartWifi() { |
Irfan Sheriff | b8c0e00 | 2013-02-20 14:19:54 -0800 | [diff] [blame] | 269 | /* Check if wi-fi needs to be enabled */ |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 270 | boolean wifiEnabled = mSettingsStore.isWifiToggleEnabled(); |
Irfan Sheriff | 7b00978 | 2010-03-11 16:37:45 -0800 | [diff] [blame] | 271 | Slog.i(TAG, "WifiService starting up with Wi-Fi " + |
| 272 | (wifiEnabled ? "enabled" : "disabled")); |
Irfan Sheriff | f03d620 | 2012-05-17 12:33:46 -0700 | [diff] [blame] | 273 | |
| 274 | // If we are already disabled (could be due to airplane mode), avoid changing persist |
| 275 | // state here |
| 276 | if (wifiEnabled) setWifiEnabled(wifiEnabled); |
Isaac Levy | bc7dfb5 | 2011-06-06 15:34:01 -0700 | [diff] [blame] | 277 | |
Isaac Levy | 654f509 | 2011-07-13 17:41:45 -0700 | [diff] [blame] | 278 | mWifiWatchdogStateMachine = WifiWatchdogStateMachine. |
| 279 | makeWifiWatchdogStateMachine(mContext); |
| 280 | |
Irfan Sheriff | 5321aef | 2010-02-12 12:35:59 -0800 | [diff] [blame] | 281 | } |
| 282 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 283 | /** |
| 284 | * see {@link android.net.wifi.WifiManager#pingSupplicant()} |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 285 | * @return {@code true} if the operation succeeds, {@code false} otherwise |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 286 | */ |
| 287 | public boolean pingSupplicant() { |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 288 | enforceAccessPermission(); |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 289 | if (mWifiStateMachineChannel != null) { |
| 290 | return mWifiStateMachine.syncPingSupplicant(mWifiStateMachineChannel); |
Irfan Sheriff | 1406bcb | 2010-10-28 14:41:39 -0700 | [diff] [blame] | 291 | } else { |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 292 | Slog.e(TAG, "mWifiStateMachineChannel is not initialized"); |
Irfan Sheriff | 1406bcb | 2010-10-28 14:41:39 -0700 | [diff] [blame] | 293 | return false; |
| 294 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 295 | } |
| 296 | |
| 297 | /** |
| 298 | * see {@link android.net.wifi.WifiManager#startScan()} |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 299 | */ |
Irfan Sheriff | bcc97ca | 2013-02-21 14:15:18 -0800 | [diff] [blame] | 300 | public void startScan() { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 301 | enforceChangePermission(); |
Robert Greenwalt | 8971084 | 2013-06-25 11:41:53 -0700 | [diff] [blame] | 302 | mWifiStateMachine.startScan(Binder.getCallingUid()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 303 | } |
| 304 | |
| 305 | private void enforceAccessPermission() { |
| 306 | mContext.enforceCallingOrSelfPermission(android.Manifest.permission.ACCESS_WIFI_STATE, |
| 307 | "WifiService"); |
| 308 | } |
| 309 | |
| 310 | private void enforceChangePermission() { |
| 311 | mContext.enforceCallingOrSelfPermission(android.Manifest.permission.CHANGE_WIFI_STATE, |
| 312 | "WifiService"); |
| 313 | |
| 314 | } |
| 315 | |
Robert Greenwalt | fc1b15c | 2009-05-22 15:09:51 -0700 | [diff] [blame] | 316 | private void enforceMulticastChangePermission() { |
| 317 | mContext.enforceCallingOrSelfPermission( |
| 318 | android.Manifest.permission.CHANGE_WIFI_MULTICAST_STATE, |
| 319 | "WifiService"); |
| 320 | } |
| 321 | |
Irfan Sheriff | da6da09 | 2012-08-16 12:49:23 -0700 | [diff] [blame] | 322 | private void enforceConnectivityInternalPermission() { |
| 323 | mContext.enforceCallingOrSelfPermission( |
| 324 | android.Manifest.permission.CONNECTIVITY_INTERNAL, |
| 325 | "ConnectivityService"); |
| 326 | } |
| 327 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 328 | /** |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 329 | * see {@link android.net.wifi.WifiManager#setWifiEnabled(boolean)} |
| 330 | * @param enable {@code true} to enable, {@code false} to disable. |
| 331 | * @return {@code true} if the enable/disable operation was |
| 332 | * started or is already in the queue. |
| 333 | */ |
| 334 | public synchronized boolean setWifiEnabled(boolean enable) { |
| 335 | enforceChangePermission(); |
Irfan Sheriff | bd21b78 | 2012-05-16 13:13:54 -0700 | [diff] [blame] | 336 | Slog.d(TAG, "setWifiEnabled: " + enable + " pid=" + Binder.getCallingPid() |
| 337 | + ", uid=" + Binder.getCallingUid()); |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 338 | if (DBG) { |
Irfan Sheriff | 0d25534 | 2010-07-28 09:35:20 -0700 | [diff] [blame] | 339 | Slog.e(TAG, "Invoking mWifiStateMachine.setWifiEnabled\n"); |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 340 | } |
| 341 | |
Irfan Sheriff | 6118069 | 2010-08-18 16:07:39 -0700 | [diff] [blame] | 342 | /* |
Irfan Sheriff | b8c0e00 | 2013-02-20 14:19:54 -0800 | [diff] [blame] | 343 | * Caller might not have WRITE_SECURE_SETTINGS, |
| 344 | * only CHANGE_WIFI_STATE is enforced |
| 345 | */ |
Irfan Sheriff | 5401f0b | 2011-12-07 16:27:49 -0800 | [diff] [blame] | 346 | |
Irfan Sheriff | f03d620 | 2012-05-17 12:33:46 -0700 | [diff] [blame] | 347 | long ident = Binder.clearCallingIdentity(); |
Irfan Sheriff | 3d33a63 | 2012-09-16 17:59:13 -0700 | [diff] [blame] | 348 | try { |
Irfan Sheriff | 8a64b1a | 2013-02-20 15:12:41 -0800 | [diff] [blame] | 349 | if (! mSettingsStore.handleWifiToggled(enable)) { |
| 350 | // Nothing to do if wifi cannot be toggled |
| 351 | return true; |
| 352 | } |
Irfan Sheriff | 3d33a63 | 2012-09-16 17:59:13 -0700 | [diff] [blame] | 353 | } finally { |
| 354 | Binder.restoreCallingIdentity(ident); |
| 355 | } |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 356 | |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 357 | mWifiController.sendMessage(CMD_WIFI_TOGGLED); |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 358 | return true; |
| 359 | } |
| 360 | |
| 361 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 362 | * see {@link WifiManager#getWifiState()} |
| 363 | * @return One of {@link WifiManager#WIFI_STATE_DISABLED}, |
| 364 | * {@link WifiManager#WIFI_STATE_DISABLING}, |
| 365 | * {@link WifiManager#WIFI_STATE_ENABLED}, |
| 366 | * {@link WifiManager#WIFI_STATE_ENABLING}, |
| 367 | * {@link WifiManager#WIFI_STATE_UNKNOWN} |
| 368 | */ |
| 369 | public int getWifiEnabledState() { |
| 370 | enforceAccessPermission(); |
Irfan Sheriff | d8134ff | 2010-08-22 17:06:34 -0700 | [diff] [blame] | 371 | return mWifiStateMachine.syncGetWifiState(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 372 | } |
| 373 | |
| 374 | /** |
Irfan Sheriff | c2f54c2 | 2010-03-18 14:02:22 -0700 | [diff] [blame] | 375 | * see {@link android.net.wifi.WifiManager#setWifiApEnabled(WifiConfiguration, boolean)} |
Irfan Sheriff | 5321aef | 2010-02-12 12:35:59 -0800 | [diff] [blame] | 376 | * @param wifiConfig SSID, security and channel details as |
| 377 | * part of WifiConfiguration |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 378 | * @param enabled true to enable and false to disable |
Irfan Sheriff | 5321aef | 2010-02-12 12:35:59 -0800 | [diff] [blame] | 379 | */ |
Irfan Sheriff | ffcea7a | 2011-05-10 16:26:06 -0700 | [diff] [blame] | 380 | public void setWifiApEnabled(WifiConfiguration wifiConfig, boolean enabled) { |
Irfan Sheriff | 5321aef | 2010-02-12 12:35:59 -0800 | [diff] [blame] | 381 | enforceChangePermission(); |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 382 | mWifiController.obtainMessage(CMD_SET_AP, enabled ? 1 : 0, 0, wifiConfig).sendToTarget(); |
Irfan Sheriff | 5321aef | 2010-02-12 12:35:59 -0800 | [diff] [blame] | 383 | } |
| 384 | |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 385 | /** |
| 386 | * see {@link WifiManager#getWifiApState()} |
| 387 | * @return One of {@link WifiManager#WIFI_AP_STATE_DISABLED}, |
| 388 | * {@link WifiManager#WIFI_AP_STATE_DISABLING}, |
| 389 | * {@link WifiManager#WIFI_AP_STATE_ENABLED}, |
| 390 | * {@link WifiManager#WIFI_AP_STATE_ENABLING}, |
| 391 | * {@link WifiManager#WIFI_AP_STATE_FAILED} |
| 392 | */ |
| 393 | public int getWifiApEnabledState() { |
Irfan Sheriff | 17b232b | 2010-06-24 11:32:26 -0700 | [diff] [blame] | 394 | enforceAccessPermission(); |
Irfan Sheriff | d8134ff | 2010-08-22 17:06:34 -0700 | [diff] [blame] | 395 | return mWifiStateMachine.syncGetWifiApState(); |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 396 | } |
| 397 | |
| 398 | /** |
| 399 | * see {@link WifiManager#getWifiApConfiguration()} |
| 400 | * @return soft access point configuration |
| 401 | */ |
Irfan Sheriff | ffcea7a | 2011-05-10 16:26:06 -0700 | [diff] [blame] | 402 | public WifiConfiguration getWifiApConfiguration() { |
| 403 | enforceAccessPermission(); |
Irfan Sheriff | 9575a1b | 2011-11-07 10:34:54 -0800 | [diff] [blame] | 404 | return mWifiStateMachine.syncGetWifiApConfiguration(); |
Irfan Sheriff | 9ab518ad | 2010-03-12 15:48:17 -0800 | [diff] [blame] | 405 | } |
| 406 | |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 407 | /** |
| 408 | * see {@link WifiManager#setWifiApConfiguration(WifiConfiguration)} |
| 409 | * @param wifiConfig WifiConfiguration details for soft access point |
| 410 | */ |
Irfan Sheriff | ffcea7a | 2011-05-10 16:26:06 -0700 | [diff] [blame] | 411 | public void setWifiApConfiguration(WifiConfiguration wifiConfig) { |
Irfan Sheriff | 17b232b | 2010-06-24 11:32:26 -0700 | [diff] [blame] | 412 | enforceChangePermission(); |
Irfan Sheriff | 9ab518ad | 2010-03-12 15:48:17 -0800 | [diff] [blame] | 413 | if (wifiConfig == null) |
| 414 | return; |
Irfan Sheriff | ffcea7a | 2011-05-10 16:26:06 -0700 | [diff] [blame] | 415 | mWifiStateMachine.setWifiApConfiguration(wifiConfig); |
Irfan Sheriff | 9ab518ad | 2010-03-12 15:48:17 -0800 | [diff] [blame] | 416 | } |
| 417 | |
Irfan Sheriff | 5321aef | 2010-02-12 12:35:59 -0800 | [diff] [blame] | 418 | /** |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 419 | * @param enable {@code true} to enable, {@code false} to disable. |
| 420 | * @return {@code true} if the enable/disable operation was |
| 421 | * started or is already in the queue. |
| 422 | */ |
Irfan Sheriff | 7ea33ea | 2013-04-19 08:39:53 -0700 | [diff] [blame] | 423 | public boolean isScanAlwaysAvailable() { |
Irfan Sheriff | 1ef840c | 2013-03-12 17:09:27 -0700 | [diff] [blame] | 424 | enforceAccessPermission(); |
| 425 | return mSettingsStore.isScanAlwaysAvailable(); |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 426 | } |
| 427 | |
| 428 | /** |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 429 | * see {@link android.net.wifi.WifiManager#disconnect()} |
Irfan Sheriff | 5321aef | 2010-02-12 12:35:59 -0800 | [diff] [blame] | 430 | */ |
Irfan Sheriff | e498475 | 2010-08-19 11:29:22 -0700 | [diff] [blame] | 431 | public void disconnect() { |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 432 | enforceChangePermission(); |
Irfan Sheriff | e498475 | 2010-08-19 11:29:22 -0700 | [diff] [blame] | 433 | mWifiStateMachine.disconnectCommand(); |
Irfan Sheriff | 5321aef | 2010-02-12 12:35:59 -0800 | [diff] [blame] | 434 | } |
| 435 | |
| 436 | /** |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 437 | * see {@link android.net.wifi.WifiManager#reconnect()} |
Irfan Sheriff | 5321aef | 2010-02-12 12:35:59 -0800 | [diff] [blame] | 438 | */ |
Irfan Sheriff | e498475 | 2010-08-19 11:29:22 -0700 | [diff] [blame] | 439 | public void reconnect() { |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 440 | enforceChangePermission(); |
Irfan Sheriff | e498475 | 2010-08-19 11:29:22 -0700 | [diff] [blame] | 441 | mWifiStateMachine.reconnectCommand(); |
Irfan Sheriff | 5321aef | 2010-02-12 12:35:59 -0800 | [diff] [blame] | 442 | } |
| 443 | |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 444 | /** |
| 445 | * see {@link android.net.wifi.WifiManager#reassociate()} |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 446 | */ |
Irfan Sheriff | e498475 | 2010-08-19 11:29:22 -0700 | [diff] [blame] | 447 | public void reassociate() { |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 448 | enforceChangePermission(); |
Irfan Sheriff | e498475 | 2010-08-19 11:29:22 -0700 | [diff] [blame] | 449 | mWifiStateMachine.reassociateCommand(); |
Irfan Sheriff | 5321aef | 2010-02-12 12:35:59 -0800 | [diff] [blame] | 450 | } |
| 451 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 452 | /** |
| 453 | * see {@link android.net.wifi.WifiManager#getConfiguredNetworks()} |
| 454 | * @return the list of configured networks |
| 455 | */ |
| 456 | public List<WifiConfiguration> getConfiguredNetworks() { |
| 457 | enforceAccessPermission(); |
Irfan Sheriff | e744cff | 2011-12-11 09:17:50 -0800 | [diff] [blame] | 458 | if (mWifiStateMachineChannel != null) { |
| 459 | return mWifiStateMachine.syncGetConfiguredNetworks(mWifiStateMachineChannel); |
| 460 | } else { |
| 461 | Slog.e(TAG, "mWifiStateMachineChannel is not initialized"); |
| 462 | return null; |
| 463 | } |
Chung-yih Wang | a8d1594 | 2009-10-09 11:01:49 +0800 | [diff] [blame] | 464 | } |
| 465 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 466 | /** |
| 467 | * see {@link android.net.wifi.WifiManager#addOrUpdateNetwork(WifiConfiguration)} |
| 468 | * @return the supplicant-assigned identifier for the new or updated |
| 469 | * network if the operation succeeds, or {@code -1} if it fails |
| 470 | */ |
Irfan Sheriff | 7aac554 | 2009-12-22 21:42:17 -0800 | [diff] [blame] | 471 | public int addOrUpdateNetwork(WifiConfiguration config) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 472 | enforceChangePermission(); |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 473 | if (mWifiStateMachineChannel != null) { |
| 474 | return mWifiStateMachine.syncAddOrUpdateNetwork(mWifiStateMachineChannel, config); |
Irfan Sheriff | 1406bcb | 2010-10-28 14:41:39 -0700 | [diff] [blame] | 475 | } else { |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 476 | Slog.e(TAG, "mWifiStateMachineChannel is not initialized"); |
Irfan Sheriff | 1406bcb | 2010-10-28 14:41:39 -0700 | [diff] [blame] | 477 | return -1; |
| 478 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 479 | } |
| 480 | |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 481 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 482 | * See {@link android.net.wifi.WifiManager#removeNetwork(int)} |
| 483 | * @param netId the integer that identifies the network configuration |
| 484 | * to the supplicant |
| 485 | * @return {@code true} if the operation succeeded |
| 486 | */ |
| 487 | public boolean removeNetwork(int netId) { |
| 488 | enforceChangePermission(); |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 489 | if (mWifiStateMachineChannel != null) { |
| 490 | return mWifiStateMachine.syncRemoveNetwork(mWifiStateMachineChannel, netId); |
Wink Saville | 4b7ba09 | 2010-10-20 15:37:41 -0700 | [diff] [blame] | 491 | } else { |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 492 | Slog.e(TAG, "mWifiStateMachineChannel is not initialized"); |
Wink Saville | 4b7ba09 | 2010-10-20 15:37:41 -0700 | [diff] [blame] | 493 | return false; |
| 494 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 495 | } |
| 496 | |
| 497 | /** |
| 498 | * See {@link android.net.wifi.WifiManager#enableNetwork(int, boolean)} |
| 499 | * @param netId the integer that identifies the network configuration |
| 500 | * to the supplicant |
| 501 | * @param disableOthers if true, disable all other networks. |
| 502 | * @return {@code true} if the operation succeeded |
| 503 | */ |
| 504 | public boolean enableNetwork(int netId, boolean disableOthers) { |
| 505 | enforceChangePermission(); |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 506 | if (mWifiStateMachineChannel != null) { |
| 507 | return mWifiStateMachine.syncEnableNetwork(mWifiStateMachineChannel, netId, |
| 508 | disableOthers); |
Irfan Sheriff | 1406bcb | 2010-10-28 14:41:39 -0700 | [diff] [blame] | 509 | } else { |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 510 | Slog.e(TAG, "mWifiStateMachineChannel is not initialized"); |
Irfan Sheriff | 1406bcb | 2010-10-28 14:41:39 -0700 | [diff] [blame] | 511 | return false; |
| 512 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 513 | } |
| 514 | |
| 515 | /** |
| 516 | * See {@link android.net.wifi.WifiManager#disableNetwork(int)} |
| 517 | * @param netId the integer that identifies the network configuration |
| 518 | * to the supplicant |
| 519 | * @return {@code true} if the operation succeeded |
| 520 | */ |
| 521 | public boolean disableNetwork(int netId) { |
| 522 | enforceChangePermission(); |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 523 | if (mWifiStateMachineChannel != null) { |
| 524 | return mWifiStateMachine.syncDisableNetwork(mWifiStateMachineChannel, netId); |
Irfan Sheriff | 1406bcb | 2010-10-28 14:41:39 -0700 | [diff] [blame] | 525 | } else { |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 526 | Slog.e(TAG, "mWifiStateMachineChannel is not initialized"); |
Irfan Sheriff | 1406bcb | 2010-10-28 14:41:39 -0700 | [diff] [blame] | 527 | return false; |
| 528 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 529 | } |
| 530 | |
| 531 | /** |
| 532 | * See {@link android.net.wifi.WifiManager#getConnectionInfo()} |
| 533 | * @return the Wi-Fi information, contained in {@link WifiInfo}. |
| 534 | */ |
| 535 | public WifiInfo getConnectionInfo() { |
| 536 | enforceAccessPermission(); |
| 537 | /* |
| 538 | * Make sure we have the latest information, by sending |
| 539 | * a status request to the supplicant. |
| 540 | */ |
Irfan Sheriff | d8134ff | 2010-08-22 17:06:34 -0700 | [diff] [blame] | 541 | return mWifiStateMachine.syncRequestConnectionInfo(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 542 | } |
| 543 | |
| 544 | /** |
| 545 | * Return the results of the most recent access point scan, in the form of |
| 546 | * a list of {@link ScanResult} objects. |
| 547 | * @return the list of results |
| 548 | */ |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 549 | public List<ScanResult> getScanResults(String callingPackage) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 550 | enforceAccessPermission(); |
Irfan Sheriff | db831da | 2012-09-16 17:39:26 -0700 | [diff] [blame] | 551 | int userId = UserHandle.getCallingUserId(); |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 552 | int uid = Binder.getCallingUid(); |
Irfan Sheriff | db831da | 2012-09-16 17:39:26 -0700 | [diff] [blame] | 553 | long ident = Binder.clearCallingIdentity(); |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 554 | if (mAppOps.noteOp(AppOpsManager.OP_WIFI_SCAN, uid, callingPackage) |
| 555 | != AppOpsManager.MODE_ALLOWED) { |
| 556 | return new ArrayList<ScanResult>(); |
| 557 | } |
Irfan Sheriff | 3d33a63 | 2012-09-16 17:59:13 -0700 | [diff] [blame] | 558 | try { |
| 559 | int currentUser = ActivityManager.getCurrentUser(); |
| 560 | if (userId != currentUser) { |
| 561 | return new ArrayList<ScanResult>(); |
| 562 | } else { |
| 563 | return mWifiStateMachine.syncGetScanResultsList(); |
| 564 | } |
| 565 | } finally { |
| 566 | Binder.restoreCallingIdentity(ident); |
Irfan Sheriff | 330b187 | 2012-09-16 12:27:57 -0700 | [diff] [blame] | 567 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 568 | } |
| 569 | |
| 570 | /** |
| 571 | * Tell the supplicant to persist the current list of configured networks. |
| 572 | * @return {@code true} if the operation succeeded |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 573 | * |
| 574 | * TODO: deprecate this |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 575 | */ |
| 576 | public boolean saveConfiguration() { |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 577 | boolean result = true; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 578 | enforceChangePermission(); |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 579 | if (mWifiStateMachineChannel != null) { |
| 580 | return mWifiStateMachine.syncSaveConfig(mWifiStateMachineChannel); |
Irfan Sheriff | 1406bcb | 2010-10-28 14:41:39 -0700 | [diff] [blame] | 581 | } else { |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 582 | Slog.e(TAG, "mWifiStateMachineChannel is not initialized"); |
Irfan Sheriff | 1406bcb | 2010-10-28 14:41:39 -0700 | [diff] [blame] | 583 | return false; |
| 584 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 585 | } |
| 586 | |
| 587 | /** |
Irfan Sheriff | ed4f28b | 2010-10-29 15:32:10 -0700 | [diff] [blame] | 588 | * Set the country code |
| 589 | * @param countryCode ISO 3166 country code. |
Robert Greenwalt | b5010cc | 2009-05-21 15:11:40 -0700 | [diff] [blame] | 590 | * @param persist {@code true} if the setting should be remembered. |
Irfan Sheriff | ed4f28b | 2010-10-29 15:32:10 -0700 | [diff] [blame] | 591 | * |
| 592 | * The persist behavior exists so that wifi can fall back to the last |
| 593 | * persisted country code on a restart, when the locale information is |
| 594 | * not available from telephony. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 595 | */ |
Irfan Sheriff | ed4f28b | 2010-10-29 15:32:10 -0700 | [diff] [blame] | 596 | public void setCountryCode(String countryCode, boolean persist) { |
| 597 | Slog.i(TAG, "WifiService trying to set country code to " + countryCode + |
| 598 | " with persist set to " + persist); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 599 | enforceChangePermission(); |
Robert Greenwalt | 304aad4 | 2013-05-31 17:57:10 -0700 | [diff] [blame] | 600 | final long token = Binder.clearCallingIdentity(); |
| 601 | try { |
| 602 | mWifiStateMachine.setCountryCode(countryCode, persist); |
| 603 | } finally { |
| 604 | Binder.restoreCallingIdentity(token); |
| 605 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 606 | } |
| 607 | |
| 608 | /** |
Irfan Sheriff | 36f7413 | 2010-11-04 16:57:37 -0700 | [diff] [blame] | 609 | * Set the operational frequency band |
| 610 | * @param band One of |
| 611 | * {@link WifiManager#WIFI_FREQUENCY_BAND_AUTO}, |
| 612 | * {@link WifiManager#WIFI_FREQUENCY_BAND_5GHZ}, |
| 613 | * {@link WifiManager#WIFI_FREQUENCY_BAND_2GHZ}, |
| 614 | * @param persist {@code true} if the setting should be remembered. |
| 615 | * |
| 616 | */ |
| 617 | public void setFrequencyBand(int band, boolean persist) { |
| 618 | enforceChangePermission(); |
| 619 | if (!isDualBandSupported()) return; |
| 620 | Slog.i(TAG, "WifiService trying to set frequency band to " + band + |
| 621 | " with persist set to " + persist); |
Robert Greenwalt | 304aad4 | 2013-05-31 17:57:10 -0700 | [diff] [blame] | 622 | final long token = Binder.clearCallingIdentity(); |
| 623 | try { |
| 624 | mWifiStateMachine.setFrequencyBand(band, persist); |
| 625 | } finally { |
| 626 | Binder.restoreCallingIdentity(token); |
| 627 | } |
Irfan Sheriff | 36f7413 | 2010-11-04 16:57:37 -0700 | [diff] [blame] | 628 | } |
| 629 | |
| 630 | |
| 631 | /** |
| 632 | * Get the operational frequency band |
| 633 | */ |
| 634 | public int getFrequencyBand() { |
| 635 | enforceAccessPermission(); |
| 636 | return mWifiStateMachine.getFrequencyBand(); |
| 637 | } |
| 638 | |
| 639 | public boolean isDualBandSupported() { |
| 640 | //TODO: Should move towards adding a driver API that checks at runtime |
| 641 | return mContext.getResources().getBoolean( |
| 642 | com.android.internal.R.bool.config_wifi_dual_band_support); |
| 643 | } |
| 644 | |
| 645 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 646 | * Return the DHCP-assigned addresses from the last successful DHCP request, |
| 647 | * if any. |
| 648 | * @return the DHCP information |
Robert Greenwalt | 4717c26 | 2012-10-31 14:32:53 -0700 | [diff] [blame] | 649 | * @deprecated |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 650 | */ |
| 651 | public DhcpInfo getDhcpInfo() { |
| 652 | enforceAccessPermission(); |
Robert Greenwalt | 4717c26 | 2012-10-31 14:32:53 -0700 | [diff] [blame] | 653 | DhcpResults dhcpResults = mWifiStateMachine.syncGetDhcpResults(); |
| 654 | if (dhcpResults.linkProperties == null) return null; |
| 655 | |
| 656 | DhcpInfo info = new DhcpInfo(); |
| 657 | for (LinkAddress la : dhcpResults.linkProperties.getLinkAddresses()) { |
| 658 | InetAddress addr = la.getAddress(); |
| 659 | if (addr instanceof Inet4Address) { |
| 660 | info.ipAddress = NetworkUtils.inetAddressToInt((Inet4Address)addr); |
| 661 | break; |
| 662 | } |
| 663 | } |
| 664 | for (RouteInfo r : dhcpResults.linkProperties.getRoutes()) { |
| 665 | if (r.isDefaultRoute()) { |
| 666 | InetAddress gateway = r.getGateway(); |
| 667 | if (gateway instanceof Inet4Address) { |
| 668 | info.gateway = NetworkUtils.inetAddressToInt((Inet4Address)gateway); |
| 669 | } |
Robert Greenwalt | ca441ee | 2013-04-11 13:48:16 -0700 | [diff] [blame] | 670 | } else if (r.hasGateway() == false) { |
Robert Greenwalt | 4717c26 | 2012-10-31 14:32:53 -0700 | [diff] [blame] | 671 | LinkAddress dest = r.getDestination(); |
| 672 | if (dest.getAddress() instanceof Inet4Address) { |
| 673 | info.netmask = NetworkUtils.prefixLengthToNetmaskInt( |
| 674 | dest.getNetworkPrefixLength()); |
| 675 | } |
| 676 | } |
| 677 | } |
| 678 | int dnsFound = 0; |
| 679 | for (InetAddress dns : dhcpResults.linkProperties.getDnses()) { |
| 680 | if (dns instanceof Inet4Address) { |
| 681 | if (dnsFound == 0) { |
| 682 | info.dns1 = NetworkUtils.inetAddressToInt((Inet4Address)dns); |
| 683 | } else { |
| 684 | info.dns2 = NetworkUtils.inetAddressToInt((Inet4Address)dns); |
| 685 | } |
| 686 | if (++dnsFound > 1) break; |
| 687 | } |
| 688 | } |
| 689 | InetAddress serverAddress = dhcpResults.serverAddress; |
| 690 | if (serverAddress instanceof Inet4Address) { |
| 691 | info.serverAddress = NetworkUtils.inetAddressToInt((Inet4Address)serverAddress); |
| 692 | } |
| 693 | info.leaseDuration = dhcpResults.leaseDuration; |
| 694 | |
| 695 | return info; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 696 | } |
| 697 | |
Irfan Sheriff | 0d25534 | 2010-07-28 09:35:20 -0700 | [diff] [blame] | 698 | /** |
| 699 | * see {@link android.net.wifi.WifiManager#startWifi} |
| 700 | * |
| 701 | */ |
| 702 | public void startWifi() { |
Irfan Sheriff | da6da09 | 2012-08-16 12:49:23 -0700 | [diff] [blame] | 703 | enforceConnectivityInternalPermission(); |
Irfan Sheriff | 0d25534 | 2010-07-28 09:35:20 -0700 | [diff] [blame] | 704 | /* TODO: may be add permissions for access only to connectivity service |
| 705 | * TODO: if a start issued, keep wifi alive until a stop issued irrespective |
| 706 | * of WifiLock & device idle status unless wifi enabled status is toggled |
| 707 | */ |
| 708 | |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 709 | mWifiStateMachine.setDriverStart(true); |
Irfan Sheriff | 0d25534 | 2010-07-28 09:35:20 -0700 | [diff] [blame] | 710 | mWifiStateMachine.reconnectCommand(); |
| 711 | } |
| 712 | |
Irfan Sheriff | da6da09 | 2012-08-16 12:49:23 -0700 | [diff] [blame] | 713 | public void captivePortalCheckComplete() { |
| 714 | enforceConnectivityInternalPermission(); |
| 715 | mWifiStateMachine.captivePortalCheckComplete(); |
| 716 | } |
| 717 | |
Irfan Sheriff | 0d25534 | 2010-07-28 09:35:20 -0700 | [diff] [blame] | 718 | /** |
| 719 | * see {@link android.net.wifi.WifiManager#stopWifi} |
| 720 | * |
| 721 | */ |
| 722 | public void stopWifi() { |
Irfan Sheriff | da6da09 | 2012-08-16 12:49:23 -0700 | [diff] [blame] | 723 | enforceConnectivityInternalPermission(); |
| 724 | /* |
Irfan Sheriff | 0d25534 | 2010-07-28 09:35:20 -0700 | [diff] [blame] | 725 | * TODO: if a stop is issued, wifi is brought up only by startWifi |
| 726 | * unless wifi enabled status is toggled |
| 727 | */ |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 728 | mWifiStateMachine.setDriverStart(false); |
Irfan Sheriff | 0d25534 | 2010-07-28 09:35:20 -0700 | [diff] [blame] | 729 | } |
| 730 | |
Irfan Sheriff | 0d25534 | 2010-07-28 09:35:20 -0700 | [diff] [blame] | 731 | /** |
| 732 | * see {@link android.net.wifi.WifiManager#addToBlacklist} |
| 733 | * |
| 734 | */ |
| 735 | public void addToBlacklist(String bssid) { |
| 736 | enforceChangePermission(); |
| 737 | |
| 738 | mWifiStateMachine.addToBlacklist(bssid); |
| 739 | } |
| 740 | |
| 741 | /** |
| 742 | * see {@link android.net.wifi.WifiManager#clearBlacklist} |
| 743 | * |
| 744 | */ |
| 745 | public void clearBlacklist() { |
| 746 | enforceChangePermission(); |
| 747 | |
| 748 | mWifiStateMachine.clearBlacklist(); |
| 749 | } |
| 750 | |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 751 | /** |
| 752 | * Get a reference to handler. This is used by a client to establish |
| 753 | * an AsyncChannel communication with WifiService |
| 754 | */ |
Irfan Sheriff | 07573b3 | 2012-01-27 21:00:19 -0800 | [diff] [blame] | 755 | public Messenger getWifiServiceMessenger() { |
Irfan Sheriff | 35bbe27 | 2012-08-23 16:57:43 -0700 | [diff] [blame] | 756 | enforceAccessPermission(); |
| 757 | enforceChangePermission(); |
Irfan Sheriff | b8c0e00 | 2013-02-20 14:19:54 -0800 | [diff] [blame] | 758 | return new Messenger(mClientHandler); |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 759 | } |
| 760 | |
Irfan Sheriff | 07573b3 | 2012-01-27 21:00:19 -0800 | [diff] [blame] | 761 | /** Get a reference to WifiStateMachine handler for AsyncChannel communication */ |
| 762 | public Messenger getWifiStateMachineMessenger() { |
| 763 | enforceAccessPermission(); |
| 764 | enforceChangePermission(); |
| 765 | return mWifiStateMachine.getMessenger(); |
| 766 | } |
| 767 | |
Irfan Sheriff | 4aeca7c5 | 2011-03-10 16:53:33 -0800 | [diff] [blame] | 768 | /** |
| 769 | * Get the IP and proxy configuration file |
| 770 | */ |
| 771 | public String getConfigFile() { |
| 772 | enforceAccessPermission(); |
| 773 | return mWifiStateMachine.getConfigFile(); |
| 774 | } |
| 775 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 776 | private final BroadcastReceiver mReceiver = new BroadcastReceiver() { |
| 777 | @Override |
| 778 | public void onReceive(Context context, Intent intent) { |
| 779 | String action = intent.getAction(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 780 | if (action.equals(Intent.ACTION_SCREEN_ON)) { |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 781 | mWifiController.sendMessage(CMD_SCREEN_ON); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 782 | } else if (action.equals(Intent.ACTION_SCREEN_OFF)) { |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 783 | mWifiController.sendMessage(CMD_SCREEN_OFF); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 784 | } else if (action.equals(Intent.ACTION_BATTERY_CHANGED)) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 785 | int pluggedType = intent.getIntExtra("plugged", 0); |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 786 | mWifiController.sendMessage(CMD_BATTERY_CHANGED, pluggedType, 0, null); |
Irfan Sheriff | 65eaec8 | 2011-01-05 22:00:16 -0800 | [diff] [blame] | 787 | } else if (action.equals(BluetoothAdapter.ACTION_CONNECTION_STATE_CHANGED)) { |
| 788 | int state = intent.getIntExtra(BluetoothAdapter.EXTRA_CONNECTION_STATE, |
| 789 | BluetoothAdapter.STATE_DISCONNECTED); |
| 790 | mWifiStateMachine.sendBluetoothAdapterStateChange(state); |
Irfan Sheriff | 616f317 | 2011-09-11 19:59:01 -0700 | [diff] [blame] | 791 | } else if (action.equals(TelephonyIntents.ACTION_EMERGENCY_CALLBACK_MODE_CHANGED)) { |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 792 | boolean emergencyMode = intent.getBooleanExtra("phoneinECMState", false); |
| 793 | mWifiController.sendMessage(CMD_EMERGENCY_MODE_CHANGED, emergencyMode ? 1 : 0, 0); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 794 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 795 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 796 | }; |
| 797 | |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 798 | /** |
| 799 | * Observes settings changes to scan always mode. |
| 800 | */ |
| 801 | private void registerForScanModeChange() { |
| 802 | ContentObserver contentObserver = new ContentObserver(null) { |
| 803 | @Override |
| 804 | public void onChange(boolean selfChange) { |
| 805 | mSettingsStore.handleWifiScanAlwaysAvailableToggled(); |
| 806 | mWifiController.sendMessage(CMD_SCAN_ALWAYS_MODE_CHANGED); |
Dianne Hackborn | 58e0eef | 2010-09-16 01:22:10 -0700 | [diff] [blame] | 807 | } |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 808 | }; |
Jaikumar Ganesh | 7440fc2 | 2010-09-27 17:04:14 -0700 | [diff] [blame] | 809 | |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 810 | mContext.getContentResolver().registerContentObserver( |
| 811 | Settings.Global.getUriFor(Settings.Global.WIFI_SCAN_ALWAYS_AVAILABLE), |
| 812 | false, contentObserver); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 813 | } |
| 814 | |
| 815 | private void registerForBroadcasts() { |
| 816 | IntentFilter intentFilter = new IntentFilter(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 817 | intentFilter.addAction(Intent.ACTION_SCREEN_ON); |
| 818 | intentFilter.addAction(Intent.ACTION_SCREEN_OFF); |
| 819 | intentFilter.addAction(Intent.ACTION_BATTERY_CHANGED); |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 820 | intentFilter.addAction(WifiManager.NETWORK_STATE_CHANGED_ACTION); |
Irfan Sheriff | 65eaec8 | 2011-01-05 22:00:16 -0800 | [diff] [blame] | 821 | intentFilter.addAction(BluetoothAdapter.ACTION_CONNECTION_STATE_CHANGED); |
Irfan Sheriff | 616f317 | 2011-09-11 19:59:01 -0700 | [diff] [blame] | 822 | intentFilter.addAction(TelephonyIntents.ACTION_EMERGENCY_CALLBACK_MODE_CHANGED); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 823 | mContext.registerReceiver(mReceiver, intentFilter); |
| 824 | } |
Jaikumar Ganesh | 084c665 | 2009-12-07 10:58:18 -0800 | [diff] [blame] | 825 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 826 | @Override |
| 827 | protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| 828 | if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) |
| 829 | != PackageManager.PERMISSION_GRANTED) { |
| 830 | pw.println("Permission Denial: can't dump WifiService from from pid=" |
| 831 | + Binder.getCallingPid() |
| 832 | + ", uid=" + Binder.getCallingUid()); |
| 833 | return; |
| 834 | } |
Irfan Sheriff | d8134ff | 2010-08-22 17:06:34 -0700 | [diff] [blame] | 835 | pw.println("Wi-Fi is " + mWifiStateMachine.syncGetWifiStateByName()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 836 | pw.println("Stay-awake conditions: " + |
Christopher Tate | c09cdce | 2012-09-10 16:50:14 -0700 | [diff] [blame] | 837 | Settings.Global.getInt(mContext.getContentResolver(), |
| 838 | Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0)); |
Irfan Sheriff | f0afe41 | 2012-11-30 14:07:44 -0800 | [diff] [blame] | 839 | pw.println("mMulticastEnabled " + mMulticastEnabled); |
| 840 | pw.println("mMulticastDisabled " + mMulticastDisabled); |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 841 | mWifiController.dump(fd, pw, args); |
Irfan Sheriff | b8c0e00 | 2013-02-20 14:19:54 -0800 | [diff] [blame] | 842 | mSettingsStore.dump(fd, pw, args); |
| 843 | mNotificationController.dump(fd, pw, args); |
| 844 | mTrafficPoller.dump(fd, pw, args); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 845 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 846 | pw.println("Latest scan results:"); |
Irfan Sheriff | d8134ff | 2010-08-22 17:06:34 -0700 | [diff] [blame] | 847 | List<ScanResult> scanResults = mWifiStateMachine.syncGetScanResultsList(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 848 | if (scanResults != null && scanResults.size() != 0) { |
| 849 | pw.println(" BSSID Frequency RSSI Flags SSID"); |
| 850 | for (ScanResult r : scanResults) { |
| 851 | pw.printf(" %17s %9d %5d %-16s %s%n", |
| 852 | r.BSSID, |
| 853 | r.frequency, |
| 854 | r.level, |
| 855 | r.capabilities, |
| 856 | r.SSID == null ? "" : r.SSID); |
| 857 | } |
| 858 | } |
| 859 | pw.println(); |
Eric Shienbrood | 5711fad | 2009-03-27 20:25:31 -0700 | [diff] [blame] | 860 | pw.println("Locks acquired: " + mFullLocksAcquired + " full, " + |
Irfan Sheriff | 5876a42 | 2010-08-12 20:26:23 -0700 | [diff] [blame] | 861 | mFullHighPerfLocksAcquired + " full high perf, " + |
Eric Shienbrood | 5711fad | 2009-03-27 20:25:31 -0700 | [diff] [blame] | 862 | mScanLocksAcquired + " scan"); |
| 863 | pw.println("Locks released: " + mFullLocksReleased + " full, " + |
Irfan Sheriff | 5876a42 | 2010-08-12 20:26:23 -0700 | [diff] [blame] | 864 | mFullHighPerfLocksReleased + " full high perf, " + |
Eric Shienbrood | 5711fad | 2009-03-27 20:25:31 -0700 | [diff] [blame] | 865 | mScanLocksReleased + " scan"); |
| 866 | pw.println(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 867 | pw.println("Locks held:"); |
| 868 | mLocks.dump(pw); |
Isaac Levy | bc7dfb5 | 2011-06-06 15:34:01 -0700 | [diff] [blame] | 869 | |
Irfan Sheriff | f0afe41 | 2012-11-30 14:07:44 -0800 | [diff] [blame] | 870 | mWifiWatchdogStateMachine.dump(fd, pw, args); |
Isaac Levy | bc7dfb5 | 2011-06-06 15:34:01 -0700 | [diff] [blame] | 871 | pw.println(); |
Irfan Sheriff | 6079237 | 2012-04-16 16:47:10 -0700 | [diff] [blame] | 872 | mWifiStateMachine.dump(fd, pw, args); |
Irfan Sheriff | f0afe41 | 2012-11-30 14:07:44 -0800 | [diff] [blame] | 873 | pw.println(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 874 | } |
| 875 | |
Robert Greenwalt | 58ff021 | 2009-05-19 15:53:54 -0700 | [diff] [blame] | 876 | private class WifiLock extends DeathRecipient { |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 877 | WifiLock(int lockMode, String tag, IBinder binder, WorkSource ws) { |
| 878 | super(lockMode, tag, binder, ws); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 879 | } |
| 880 | |
| 881 | public void binderDied() { |
| 882 | synchronized (mLocks) { |
| 883 | releaseWifiLockLocked(mBinder); |
| 884 | } |
| 885 | } |
| 886 | |
| 887 | public String toString() { |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 888 | return "WifiLock{" + mTag + " type=" + mMode + " binder=" + mBinder + "}"; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 889 | } |
| 890 | } |
| 891 | |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 892 | class LockList { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 893 | private List<WifiLock> mList; |
| 894 | |
| 895 | private LockList() { |
| 896 | mList = new ArrayList<WifiLock>(); |
| 897 | } |
| 898 | |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 899 | synchronized boolean hasLocks() { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 900 | return !mList.isEmpty(); |
| 901 | } |
| 902 | |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 903 | synchronized int getStrongestLockMode() { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 904 | if (mList.isEmpty()) { |
| 905 | return WifiManager.WIFI_MODE_FULL; |
| 906 | } |
Irfan Sheriff | 5876a42 | 2010-08-12 20:26:23 -0700 | [diff] [blame] | 907 | |
| 908 | if (mFullHighPerfLocksAcquired > mFullHighPerfLocksReleased) { |
| 909 | return WifiManager.WIFI_MODE_FULL_HIGH_PERF; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 910 | } |
Irfan Sheriff | 5876a42 | 2010-08-12 20:26:23 -0700 | [diff] [blame] | 911 | |
| 912 | if (mFullLocksAcquired > mFullLocksReleased) { |
| 913 | return WifiManager.WIFI_MODE_FULL; |
| 914 | } |
| 915 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 916 | return WifiManager.WIFI_MODE_SCAN_ONLY; |
| 917 | } |
| 918 | |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 919 | synchronized void updateWorkSource(WorkSource ws) { |
| 920 | for (int i = 0; i < mLocks.mList.size(); i++) { |
| 921 | ws.add(mLocks.mList.get(i).mWorkSource); |
| 922 | } |
| 923 | } |
| 924 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 925 | private void addLock(WifiLock lock) { |
| 926 | if (findLockByBinder(lock.mBinder) < 0) { |
| 927 | mList.add(lock); |
| 928 | } |
| 929 | } |
| 930 | |
| 931 | private WifiLock removeLock(IBinder binder) { |
| 932 | int index = findLockByBinder(binder); |
| 933 | if (index >= 0) { |
Suchi Amalapurapu | fff2fda | 2009-06-30 21:36:16 -0700 | [diff] [blame] | 934 | WifiLock ret = mList.remove(index); |
| 935 | ret.unlinkDeathRecipient(); |
| 936 | return ret; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 937 | } else { |
| 938 | return null; |
| 939 | } |
| 940 | } |
| 941 | |
| 942 | private int findLockByBinder(IBinder binder) { |
| 943 | int size = mList.size(); |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 944 | for (int i = size - 1; i >= 0; i--) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 945 | if (mList.get(i).mBinder == binder) |
| 946 | return i; |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 947 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 948 | return -1; |
| 949 | } |
| 950 | |
| 951 | private void dump(PrintWriter pw) { |
| 952 | for (WifiLock l : mList) { |
| 953 | pw.print(" "); |
| 954 | pw.println(l); |
| 955 | } |
| 956 | } |
| 957 | } |
| 958 | |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 959 | void enforceWakeSourcePermission(int uid, int pid) { |
Dianne Hackborn | e746f03 | 2010-09-13 16:02:57 -0700 | [diff] [blame] | 960 | if (uid == android.os.Process.myUid()) { |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 961 | return; |
| 962 | } |
| 963 | mContext.enforcePermission(android.Manifest.permission.UPDATE_DEVICE_STATS, |
| 964 | pid, uid, null); |
| 965 | } |
| 966 | |
| 967 | public boolean acquireWifiLock(IBinder binder, int lockMode, String tag, WorkSource ws) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 968 | mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WAKE_LOCK, null); |
Irfan Sheriff | 5876a42 | 2010-08-12 20:26:23 -0700 | [diff] [blame] | 969 | if (lockMode != WifiManager.WIFI_MODE_FULL && |
| 970 | lockMode != WifiManager.WIFI_MODE_SCAN_ONLY && |
| 971 | lockMode != WifiManager.WIFI_MODE_FULL_HIGH_PERF) { |
| 972 | Slog.e(TAG, "Illegal argument, lockMode= " + lockMode); |
| 973 | if (DBG) throw new IllegalArgumentException("lockMode=" + lockMode); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 974 | return false; |
| 975 | } |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 976 | if (ws != null && ws.size() == 0) { |
| 977 | ws = null; |
| 978 | } |
Dianne Hackborn | ecfd7f7 | 2010-10-08 14:23:40 -0700 | [diff] [blame] | 979 | if (ws != null) { |
| 980 | enforceWakeSourcePermission(Binder.getCallingUid(), Binder.getCallingPid()); |
| 981 | } |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 982 | if (ws == null) { |
| 983 | ws = new WorkSource(Binder.getCallingUid()); |
| 984 | } |
| 985 | WifiLock wifiLock = new WifiLock(lockMode, tag, binder, ws); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 986 | synchronized (mLocks) { |
| 987 | return acquireWifiLockLocked(wifiLock); |
| 988 | } |
| 989 | } |
| 990 | |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 991 | private void noteAcquireWifiLock(WifiLock wifiLock) throws RemoteException { |
| 992 | switch(wifiLock.mMode) { |
| 993 | case WifiManager.WIFI_MODE_FULL: |
Irfan Sheriff | 5876a42 | 2010-08-12 20:26:23 -0700 | [diff] [blame] | 994 | case WifiManager.WIFI_MODE_FULL_HIGH_PERF: |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 995 | case WifiManager.WIFI_MODE_SCAN_ONLY: |
Nick Pelly | 6ccaa54 | 2012-06-15 15:22:47 -0700 | [diff] [blame] | 996 | mBatteryStats.noteFullWifiLockAcquiredFromSource(wifiLock.mWorkSource); |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 997 | break; |
| 998 | } |
| 999 | } |
| 1000 | |
| 1001 | private void noteReleaseWifiLock(WifiLock wifiLock) throws RemoteException { |
| 1002 | switch(wifiLock.mMode) { |
| 1003 | case WifiManager.WIFI_MODE_FULL: |
Irfan Sheriff | 5876a42 | 2010-08-12 20:26:23 -0700 | [diff] [blame] | 1004 | case WifiManager.WIFI_MODE_FULL_HIGH_PERF: |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 1005 | case WifiManager.WIFI_MODE_SCAN_ONLY: |
Nick Pelly | 6ccaa54 | 2012-06-15 15:22:47 -0700 | [diff] [blame] | 1006 | mBatteryStats.noteFullWifiLockReleasedFromSource(wifiLock.mWorkSource); |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 1007 | break; |
| 1008 | } |
| 1009 | } |
| 1010 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1011 | private boolean acquireWifiLockLocked(WifiLock wifiLock) { |
Irfan Sheriff | c89dd54 | 2010-09-28 08:40:54 -0700 | [diff] [blame] | 1012 | if (DBG) Slog.d(TAG, "acquireWifiLockLocked: " + wifiLock); |
Robert Greenwalt | f1acb2d | 2009-10-13 08:20:55 -0700 | [diff] [blame] | 1013 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1014 | mLocks.addLock(wifiLock); |
Robert Greenwalt | f1acb2d | 2009-10-13 08:20:55 -0700 | [diff] [blame] | 1015 | |
The Android Open Source Project | 1059253 | 2009-03-18 17:39:46 -0700 | [diff] [blame] | 1016 | long ident = Binder.clearCallingIdentity(); |
| 1017 | try { |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 1018 | noteAcquireWifiLock(wifiLock); |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1019 | switch(wifiLock.mMode) { |
Eric Shienbrood | 5711fad | 2009-03-27 20:25:31 -0700 | [diff] [blame] | 1020 | case WifiManager.WIFI_MODE_FULL: |
| 1021 | ++mFullLocksAcquired; |
Eric Shienbrood | 5711fad | 2009-03-27 20:25:31 -0700 | [diff] [blame] | 1022 | break; |
Irfan Sheriff | 5876a42 | 2010-08-12 20:26:23 -0700 | [diff] [blame] | 1023 | case WifiManager.WIFI_MODE_FULL_HIGH_PERF: |
| 1024 | ++mFullHighPerfLocksAcquired; |
| 1025 | break; |
| 1026 | |
Eric Shienbrood | 5711fad | 2009-03-27 20:25:31 -0700 | [diff] [blame] | 1027 | case WifiManager.WIFI_MODE_SCAN_ONLY: |
| 1028 | ++mScanLocksAcquired; |
Eric Shienbrood | 5711fad | 2009-03-27 20:25:31 -0700 | [diff] [blame] | 1029 | break; |
The Android Open Source Project | 1059253 | 2009-03-18 17:39:46 -0700 | [diff] [blame] | 1030 | } |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 1031 | mWifiController.sendMessage(CMD_LOCKS_CHANGED); |
Dianne Hackborn | ecfd7f7 | 2010-10-08 14:23:40 -0700 | [diff] [blame] | 1032 | return true; |
The Android Open Source Project | 1059253 | 2009-03-18 17:39:46 -0700 | [diff] [blame] | 1033 | } catch (RemoteException e) { |
Dianne Hackborn | ecfd7f7 | 2010-10-08 14:23:40 -0700 | [diff] [blame] | 1034 | return false; |
The Android Open Source Project | 1059253 | 2009-03-18 17:39:46 -0700 | [diff] [blame] | 1035 | } finally { |
| 1036 | Binder.restoreCallingIdentity(ident); |
| 1037 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1038 | } |
| 1039 | |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 1040 | public void updateWifiLockWorkSource(IBinder lock, WorkSource ws) { |
| 1041 | int uid = Binder.getCallingUid(); |
| 1042 | int pid = Binder.getCallingPid(); |
| 1043 | if (ws != null && ws.size() == 0) { |
| 1044 | ws = null; |
| 1045 | } |
| 1046 | if (ws != null) { |
| 1047 | enforceWakeSourcePermission(uid, pid); |
| 1048 | } |
| 1049 | long ident = Binder.clearCallingIdentity(); |
| 1050 | try { |
| 1051 | synchronized (mLocks) { |
| 1052 | int index = mLocks.findLockByBinder(lock); |
| 1053 | if (index < 0) { |
| 1054 | throw new IllegalArgumentException("Wifi lock not active"); |
| 1055 | } |
| 1056 | WifiLock wl = mLocks.mList.get(index); |
| 1057 | noteReleaseWifiLock(wl); |
| 1058 | wl.mWorkSource = ws != null ? new WorkSource(ws) : new WorkSource(uid); |
| 1059 | noteAcquireWifiLock(wl); |
| 1060 | } |
| 1061 | } catch (RemoteException e) { |
| 1062 | } finally { |
| 1063 | Binder.restoreCallingIdentity(ident); |
| 1064 | } |
| 1065 | } |
| 1066 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1067 | public boolean releaseWifiLock(IBinder lock) { |
| 1068 | mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WAKE_LOCK, null); |
| 1069 | synchronized (mLocks) { |
| 1070 | return releaseWifiLockLocked(lock); |
| 1071 | } |
| 1072 | } |
| 1073 | |
| 1074 | private boolean releaseWifiLockLocked(IBinder lock) { |
Eric Shienbrood | d4c5f89 | 2009-03-24 18:13:20 -0700 | [diff] [blame] | 1075 | boolean hadLock; |
Robert Greenwalt | f1acb2d | 2009-10-13 08:20:55 -0700 | [diff] [blame] | 1076 | |
The Android Open Source Project | 1059253 | 2009-03-18 17:39:46 -0700 | [diff] [blame] | 1077 | WifiLock wifiLock = mLocks.removeLock(lock); |
Robert Greenwalt | f1acb2d | 2009-10-13 08:20:55 -0700 | [diff] [blame] | 1078 | |
Irfan Sheriff | c89dd54 | 2010-09-28 08:40:54 -0700 | [diff] [blame] | 1079 | if (DBG) Slog.d(TAG, "releaseWifiLockLocked: " + wifiLock); |
Robert Greenwalt | f1acb2d | 2009-10-13 08:20:55 -0700 | [diff] [blame] | 1080 | |
Eric Shienbrood | d4c5f89 | 2009-03-24 18:13:20 -0700 | [diff] [blame] | 1081 | hadLock = (wifiLock != null); |
| 1082 | |
Dianne Hackborn | ecfd7f7 | 2010-10-08 14:23:40 -0700 | [diff] [blame] | 1083 | long ident = Binder.clearCallingIdentity(); |
| 1084 | try { |
| 1085 | if (hadLock) { |
Wink Saville | ce0ea1f | 2011-10-13 16:55:20 -0700 | [diff] [blame] | 1086 | noteReleaseWifiLock(wifiLock); |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1087 | switch(wifiLock.mMode) { |
Eric Shienbrood | 5711fad | 2009-03-27 20:25:31 -0700 | [diff] [blame] | 1088 | case WifiManager.WIFI_MODE_FULL: |
| 1089 | ++mFullLocksReleased; |
Eric Shienbrood | 5711fad | 2009-03-27 20:25:31 -0700 | [diff] [blame] | 1090 | break; |
Irfan Sheriff | 5876a42 | 2010-08-12 20:26:23 -0700 | [diff] [blame] | 1091 | case WifiManager.WIFI_MODE_FULL_HIGH_PERF: |
| 1092 | ++mFullHighPerfLocksReleased; |
| 1093 | break; |
Eric Shienbrood | 5711fad | 2009-03-27 20:25:31 -0700 | [diff] [blame] | 1094 | case WifiManager.WIFI_MODE_SCAN_ONLY: |
| 1095 | ++mScanLocksReleased; |
Eric Shienbrood | 5711fad | 2009-03-27 20:25:31 -0700 | [diff] [blame] | 1096 | break; |
Eric Shienbrood | d4c5f89 | 2009-03-24 18:13:20 -0700 | [diff] [blame] | 1097 | } |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 1098 | mWifiController.sendMessage(CMD_LOCKS_CHANGED); |
The Android Open Source Project | 1059253 | 2009-03-18 17:39:46 -0700 | [diff] [blame] | 1099 | } |
Dianne Hackborn | ecfd7f7 | 2010-10-08 14:23:40 -0700 | [diff] [blame] | 1100 | } catch (RemoteException e) { |
| 1101 | } finally { |
| 1102 | Binder.restoreCallingIdentity(ident); |
The Android Open Source Project | 1059253 | 2009-03-18 17:39:46 -0700 | [diff] [blame] | 1103 | } |
Dianne Hackborn | ecfd7f7 | 2010-10-08 14:23:40 -0700 | [diff] [blame] | 1104 | |
Eric Shienbrood | d4c5f89 | 2009-03-24 18:13:20 -0700 | [diff] [blame] | 1105 | return hadLock; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1106 | } |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1107 | |
Robert Greenwalt | 58ff021 | 2009-05-19 15:53:54 -0700 | [diff] [blame] | 1108 | private abstract class DeathRecipient |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1109 | implements IBinder.DeathRecipient { |
| 1110 | String mTag; |
| 1111 | int mMode; |
| 1112 | IBinder mBinder; |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 1113 | WorkSource mWorkSource; |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1114 | |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 1115 | DeathRecipient(int mode, String tag, IBinder binder, WorkSource ws) { |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1116 | super(); |
| 1117 | mTag = tag; |
| 1118 | mMode = mode; |
| 1119 | mBinder = binder; |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 1120 | mWorkSource = ws; |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1121 | try { |
| 1122 | mBinder.linkToDeath(this, 0); |
| 1123 | } catch (RemoteException e) { |
| 1124 | binderDied(); |
| 1125 | } |
| 1126 | } |
Suchi Amalapurapu | fff2fda | 2009-06-30 21:36:16 -0700 | [diff] [blame] | 1127 | |
| 1128 | void unlinkDeathRecipient() { |
| 1129 | mBinder.unlinkToDeath(this, 0); |
| 1130 | } |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1131 | } |
| 1132 | |
Robert Greenwalt | 58ff021 | 2009-05-19 15:53:54 -0700 | [diff] [blame] | 1133 | private class Multicaster extends DeathRecipient { |
| 1134 | Multicaster(String tag, IBinder binder) { |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 1135 | super(Binder.getCallingUid(), tag, binder, null); |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1136 | } |
| 1137 | |
| 1138 | public void binderDied() { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1139 | Slog.e(TAG, "Multicaster binderDied"); |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1140 | synchronized (mMulticasters) { |
| 1141 | int i = mMulticasters.indexOf(this); |
| 1142 | if (i != -1) { |
| 1143 | removeMulticasterLocked(i, mMode); |
| 1144 | } |
| 1145 | } |
| 1146 | } |
| 1147 | |
| 1148 | public String toString() { |
Robert Greenwalt | 58ff021 | 2009-05-19 15:53:54 -0700 | [diff] [blame] | 1149 | return "Multicaster{" + mTag + " binder=" + mBinder + "}"; |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1150 | } |
| 1151 | |
| 1152 | public int getUid() { |
| 1153 | return mMode; |
| 1154 | } |
| 1155 | } |
| 1156 | |
Robert Greenwalt | e2d155a | 2009-10-21 14:58:34 -0700 | [diff] [blame] | 1157 | public void initializeMulticastFiltering() { |
| 1158 | enforceMulticastChangePermission(); |
Irfan Sheriff | a8fbe1f | 2010-03-09 09:13:58 -0800 | [diff] [blame] | 1159 | |
Robert Greenwalt | e2d155a | 2009-10-21 14:58:34 -0700 | [diff] [blame] | 1160 | synchronized (mMulticasters) { |
| 1161 | // if anybody had requested filters be off, leave off |
| 1162 | if (mMulticasters.size() != 0) { |
| 1163 | return; |
| 1164 | } else { |
Irfan Sheriff | b0c1b80f | 2011-07-19 15:44:25 -0700 | [diff] [blame] | 1165 | mWifiStateMachine.startFilteringMulticastV4Packets(); |
Robert Greenwalt | e2d155a | 2009-10-21 14:58:34 -0700 | [diff] [blame] | 1166 | } |
| 1167 | } |
| 1168 | } |
| 1169 | |
Robert Greenwalt | fc1b15c | 2009-05-22 15:09:51 -0700 | [diff] [blame] | 1170 | public void acquireMulticastLock(IBinder binder, String tag) { |
| 1171 | enforceMulticastChangePermission(); |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1172 | |
| 1173 | synchronized (mMulticasters) { |
| 1174 | mMulticastEnabled++; |
Robert Greenwalt | 58ff021 | 2009-05-19 15:53:54 -0700 | [diff] [blame] | 1175 | mMulticasters.add(new Multicaster(tag, binder)); |
Irfan Sheriff | b0c1b80f | 2011-07-19 15:44:25 -0700 | [diff] [blame] | 1176 | // Note that we could call stopFilteringMulticastV4Packets only when |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1177 | // our new size == 1 (first call), but this function won't |
| 1178 | // be called often and by making the stopPacket call each |
| 1179 | // time we're less fragile and self-healing. |
Irfan Sheriff | b0c1b80f | 2011-07-19 15:44:25 -0700 | [diff] [blame] | 1180 | mWifiStateMachine.stopFilteringMulticastV4Packets(); |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1181 | } |
| 1182 | |
| 1183 | int uid = Binder.getCallingUid(); |
You Kim | 2bea585 | 2012-10-23 22:56:51 +0900 | [diff] [blame] | 1184 | final long ident = Binder.clearCallingIdentity(); |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1185 | try { |
| 1186 | mBatteryStats.noteWifiMulticastEnabled(uid); |
| 1187 | } catch (RemoteException e) { |
| 1188 | } finally { |
| 1189 | Binder.restoreCallingIdentity(ident); |
| 1190 | } |
| 1191 | } |
| 1192 | |
Robert Greenwalt | fc1b15c | 2009-05-22 15:09:51 -0700 | [diff] [blame] | 1193 | public void releaseMulticastLock() { |
| 1194 | enforceMulticastChangePermission(); |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1195 | |
| 1196 | int uid = Binder.getCallingUid(); |
| 1197 | synchronized (mMulticasters) { |
| 1198 | mMulticastDisabled++; |
| 1199 | int size = mMulticasters.size(); |
| 1200 | for (int i = size - 1; i >= 0; i--) { |
Robert Greenwalt | 58ff021 | 2009-05-19 15:53:54 -0700 | [diff] [blame] | 1201 | Multicaster m = mMulticasters.get(i); |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1202 | if ((m != null) && (m.getUid() == uid)) { |
| 1203 | removeMulticasterLocked(i, uid); |
| 1204 | } |
| 1205 | } |
| 1206 | } |
| 1207 | } |
| 1208 | |
| 1209 | private void removeMulticasterLocked(int i, int uid) |
| 1210 | { |
Suchi Amalapurapu | fff2fda | 2009-06-30 21:36:16 -0700 | [diff] [blame] | 1211 | Multicaster removed = mMulticasters.remove(i); |
Irfan Sheriff | a8fbe1f | 2010-03-09 09:13:58 -0800 | [diff] [blame] | 1212 | |
Suchi Amalapurapu | fff2fda | 2009-06-30 21:36:16 -0700 | [diff] [blame] | 1213 | if (removed != null) { |
| 1214 | removed.unlinkDeathRecipient(); |
| 1215 | } |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1216 | if (mMulticasters.size() == 0) { |
Irfan Sheriff | b0c1b80f | 2011-07-19 15:44:25 -0700 | [diff] [blame] | 1217 | mWifiStateMachine.startFilteringMulticastV4Packets(); |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1218 | } |
| 1219 | |
You Kim | 2bea585 | 2012-10-23 22:56:51 +0900 | [diff] [blame] | 1220 | final long ident = Binder.clearCallingIdentity(); |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1221 | try { |
| 1222 | mBatteryStats.noteWifiMulticastDisabled(uid); |
| 1223 | } catch (RemoteException e) { |
| 1224 | } finally { |
| 1225 | Binder.restoreCallingIdentity(ident); |
| 1226 | } |
| 1227 | } |
| 1228 | |
Robert Greenwalt | 58ff021 | 2009-05-19 15:53:54 -0700 | [diff] [blame] | 1229 | public boolean isMulticastEnabled() { |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1230 | enforceAccessPermission(); |
| 1231 | |
| 1232 | synchronized (mMulticasters) { |
| 1233 | return (mMulticasters.size() > 0); |
| 1234 | } |
| 1235 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1236 | } |