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; |
Vinit Deshapnde | 64f0d5b | 2013-07-11 15:12:44 -0700 | [diff] [blame] | 51 | import android.os.AsyncTask; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 52 | import android.provider.Settings; |
Nick Pelly | 6ccaa54 | 2012-06-15 15:22:47 -0700 | [diff] [blame] | 53 | import android.util.Log; |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 54 | import android.util.Slog; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 55 | |
Vinit Deshapnde | 64f0d5b | 2013-07-11 15:12:44 -0700 | [diff] [blame] | 56 | import java.io.FileNotFoundException; |
| 57 | import java.io.BufferedReader; |
Irfan Sheriff | f0afe41 | 2012-11-30 14:07:44 -0800 | [diff] [blame] | 58 | import java.io.FileDescriptor; |
Vinit Deshapnde | 64f0d5b | 2013-07-11 15:12:44 -0700 | [diff] [blame] | 59 | import java.io.FileReader; |
| 60 | import java.io.IOException; |
Irfan Sheriff | f0afe41 | 2012-11-30 14:07:44 -0800 | [diff] [blame] | 61 | import java.io.PrintWriter; |
Vinit Deshapnde | 64f0d5b | 2013-07-11 15:12:44 -0700 | [diff] [blame] | 62 | |
Robert Greenwalt | 4717c26 | 2012-10-31 14:32:53 -0700 | [diff] [blame] | 63 | import java.net.InetAddress; |
| 64 | import java.net.Inet4Address; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 65 | import java.util.ArrayList; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 66 | import java.util.List; |
Vinit Deshapnde | 64f0d5b | 2013-07-11 15:12:44 -0700 | [diff] [blame] | 67 | |
Irfan Sheriff | 07a2295 | 2013-03-27 13:27:39 -0700 | [diff] [blame] | 68 | import java.util.concurrent.atomic.AtomicBoolean; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 69 | |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 70 | import com.android.internal.R; |
The Android Open Source Project | 1059253 | 2009-03-18 17:39:46 -0700 | [diff] [blame] | 71 | import com.android.internal.app.IBatteryStats; |
Irfan Sheriff | 616f317 | 2011-09-11 19:59:01 -0700 | [diff] [blame] | 72 | import com.android.internal.telephony.TelephonyIntents; |
Wink Saville | 4b7ba09 | 2010-10-20 15:37:41 -0700 | [diff] [blame] | 73 | import com.android.internal.util.AsyncChannel; |
The Android Open Source Project | 1059253 | 2009-03-18 17:39:46 -0700 | [diff] [blame] | 74 | import com.android.server.am.BatteryStatsService; |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 75 | import static com.android.server.wifi.WifiController.CMD_AIRPLANE_TOGGLED; |
| 76 | import static com.android.server.wifi.WifiController.CMD_BATTERY_CHANGED; |
| 77 | import static com.android.server.wifi.WifiController.CMD_EMERGENCY_MODE_CHANGED; |
| 78 | import static com.android.server.wifi.WifiController.CMD_LOCKS_CHANGED; |
| 79 | import static com.android.server.wifi.WifiController.CMD_SCAN_ALWAYS_MODE_CHANGED; |
| 80 | import static com.android.server.wifi.WifiController.CMD_SCREEN_OFF; |
| 81 | import static com.android.server.wifi.WifiController.CMD_SCREEN_ON; |
| 82 | import static com.android.server.wifi.WifiController.CMD_SET_AP; |
| 83 | 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] | 84 | /** |
| 85 | * WifiService handles remote WiFi operation requests by implementing |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 86 | * the IWifiManager interface. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 87 | * |
| 88 | * @hide |
| 89 | */ |
Irfan Sheriff | b8c0e00 | 2013-02-20 14:19:54 -0800 | [diff] [blame] | 90 | public final class WifiService extends IWifiManager.Stub { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 91 | private static final String TAG = "WifiService"; |
Dianne Hackborn | 5fd2169 | 2011-06-07 14:09:47 -0700 | [diff] [blame] | 92 | private static final boolean DBG = false; |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 93 | |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 94 | final WifiStateMachine mWifiStateMachine; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 95 | |
Irfan Sheriff | b8c0e00 | 2013-02-20 14:19:54 -0800 | [diff] [blame] | 96 | private final Context mContext; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 97 | |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 98 | final LockList mLocks = new LockList(); |
Eric Shienbrood | 5711fad | 2009-03-27 20:25:31 -0700 | [diff] [blame] | 99 | // some wifi lock statistics |
Irfan Sheriff | 5876a42 | 2010-08-12 20:26:23 -0700 | [diff] [blame] | 100 | private int mFullHighPerfLocksAcquired; |
| 101 | private int mFullHighPerfLocksReleased; |
Eric Shienbrood | 5711fad | 2009-03-27 20:25:31 -0700 | [diff] [blame] | 102 | private int mFullLocksAcquired; |
| 103 | private int mFullLocksReleased; |
| 104 | private int mScanLocksAcquired; |
| 105 | private int mScanLocksReleased; |
The Android Open Source Project | 1059253 | 2009-03-18 17:39:46 -0700 | [diff] [blame] | 106 | |
Robert Greenwalt | 58ff021 | 2009-05-19 15:53:54 -0700 | [diff] [blame] | 107 | private final List<Multicaster> mMulticasters = |
| 108 | new ArrayList<Multicaster>(); |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 109 | private int mMulticastEnabled; |
| 110 | private int mMulticastDisabled; |
| 111 | |
The Android Open Source Project | 1059253 | 2009-03-18 17:39:46 -0700 | [diff] [blame] | 112 | private final IBatteryStats mBatteryStats; |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 113 | private final AppOpsManager mAppOps; |
Jaikumar Ganesh | 084c665 | 2009-12-07 10:58:18 -0800 | [diff] [blame] | 114 | |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 115 | private String mInterfaceName; |
| 116 | |
Irfan Sheriff | b8c0e00 | 2013-02-20 14:19:54 -0800 | [diff] [blame] | 117 | /* Tracks the open wi-fi network notification */ |
| 118 | private WifiNotificationController mNotificationController; |
| 119 | /* Polls traffic stats and notifies clients */ |
| 120 | private WifiTrafficPoller mTrafficPoller; |
| 121 | /* Tracks the persisted states for wi-fi & airplane mode */ |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 122 | final WifiSettingsStore mSettingsStore; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 123 | |
Dianne Hackborn | 03f3cb0 | 2010-09-17 23:12:26 -0700 | [diff] [blame] | 124 | /** |
Wink Saville | 4b7ba09 | 2010-10-20 15:37:41 -0700 | [diff] [blame] | 125 | * Asynchronous channel to WifiStateMachine |
| 126 | */ |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 127 | private AsyncChannel mWifiStateMachineChannel; |
Wink Saville | 4b7ba09 | 2010-10-20 15:37:41 -0700 | [diff] [blame] | 128 | |
| 129 | /** |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 130 | * Handles client connections |
| 131 | */ |
Irfan Sheriff | b8c0e00 | 2013-02-20 14:19:54 -0800 | [diff] [blame] | 132 | private class ClientHandler extends Handler { |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 133 | |
Irfan Sheriff | b8c0e00 | 2013-02-20 14:19:54 -0800 | [diff] [blame] | 134 | ClientHandler(android.os.Looper looper) { |
Wink Saville | 4b7ba09 | 2010-10-20 15:37:41 -0700 | [diff] [blame] | 135 | super(looper); |
Wink Saville | 4b7ba09 | 2010-10-20 15:37:41 -0700 | [diff] [blame] | 136 | } |
| 137 | |
| 138 | @Override |
| 139 | public void handleMessage(Message msg) { |
| 140 | switch (msg.what) { |
| 141 | case AsyncChannel.CMD_CHANNEL_HALF_CONNECTED: { |
| 142 | if (msg.arg1 == AsyncChannel.STATUS_SUCCESSFUL) { |
Irfan Sheriff | 6bfc888 | 2012-08-29 15:35:57 -0700 | [diff] [blame] | 143 | if (DBG) Slog.d(TAG, "New client listening to asynchronous messages"); |
Irfan Sheriff | 302b06d | 2013-02-22 12:35:31 -0800 | [diff] [blame] | 144 | // We track the clients by the Messenger |
| 145 | // since it is expected to be always available |
Irfan Sheriff | c808a19 | 2013-03-05 09:46:36 -0800 | [diff] [blame] | 146 | mTrafficPoller.addClient(msg.replyTo); |
Wink Saville | 4b7ba09 | 2010-10-20 15:37:41 -0700 | [diff] [blame] | 147 | } else { |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 148 | Slog.e(TAG, "Client connection failure, error=" + msg.arg1); |
| 149 | } |
| 150 | break; |
| 151 | } |
Irfan Sheriff | c23971b | 2011-03-04 17:06:31 -0800 | [diff] [blame] | 152 | case AsyncChannel.CMD_CHANNEL_DISCONNECTED: { |
| 153 | if (msg.arg1 == AsyncChannel.STATUS_SEND_UNSUCCESSFUL) { |
Irfan Sheriff | 6bfc888 | 2012-08-29 15:35:57 -0700 | [diff] [blame] | 154 | if (DBG) Slog.d(TAG, "Send failed, client connection lost"); |
Irfan Sheriff | c23971b | 2011-03-04 17:06:31 -0800 | [diff] [blame] | 155 | } else { |
Irfan Sheriff | 6bfc888 | 2012-08-29 15:35:57 -0700 | [diff] [blame] | 156 | if (DBG) Slog.d(TAG, "Client connection lost with reason: " + msg.arg1); |
Irfan Sheriff | c23971b | 2011-03-04 17:06:31 -0800 | [diff] [blame] | 157 | } |
Irfan Sheriff | c808a19 | 2013-03-05 09:46:36 -0800 | [diff] [blame] | 158 | mTrafficPoller.removeClient(msg.replyTo); |
Irfan Sheriff | c23971b | 2011-03-04 17:06:31 -0800 | [diff] [blame] | 159 | break; |
| 160 | } |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 161 | case AsyncChannel.CMD_CHANNEL_FULL_CONNECTION: { |
| 162 | AsyncChannel ac = new AsyncChannel(); |
| 163 | ac.connect(mContext, this, msg.replyTo); |
| 164 | break; |
| 165 | } |
Irfan Sheriff | b8c0e00 | 2013-02-20 14:19:54 -0800 | [diff] [blame] | 166 | /* Client commands are forwarded to state machine */ |
| 167 | case WifiManager.CONNECT_NETWORK: |
| 168 | case WifiManager.SAVE_NETWORK: |
| 169 | case WifiManager.FORGET_NETWORK: |
| 170 | case WifiManager.START_WPS: |
| 171 | case WifiManager.CANCEL_WPS: |
| 172 | case WifiManager.DISABLE_NETWORK: |
Yuhao Zheng | f630782 | 2012-08-14 14:21:25 -0700 | [diff] [blame] | 173 | case WifiManager.RSSI_PKTCNT_FETCH: { |
| 174 | mWifiStateMachine.sendMessage(Message.obtain(msg)); |
| 175 | break; |
| 176 | } |
Wink Saville | 4b7ba09 | 2010-10-20 15:37:41 -0700 | [diff] [blame] | 177 | default: { |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 178 | Slog.d(TAG, "ClientHandler.handleMessage ignoring msg=" + msg); |
Wink Saville | 4b7ba09 | 2010-10-20 15:37:41 -0700 | [diff] [blame] | 179 | break; |
| 180 | } |
| 181 | } |
| 182 | } |
| 183 | } |
Irfan Sheriff | b8c0e00 | 2013-02-20 14:19:54 -0800 | [diff] [blame] | 184 | private ClientHandler mClientHandler; |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 185 | |
| 186 | /** |
| 187 | * Handles interaction with WifiStateMachine |
| 188 | */ |
| 189 | private class WifiStateMachineHandler extends Handler { |
| 190 | private AsyncChannel mWsmChannel; |
| 191 | |
| 192 | WifiStateMachineHandler(android.os.Looper looper) { |
| 193 | super(looper); |
| 194 | mWsmChannel = new AsyncChannel(); |
| 195 | mWsmChannel.connect(mContext, this, mWifiStateMachine.getHandler()); |
| 196 | } |
| 197 | |
| 198 | @Override |
| 199 | public void handleMessage(Message msg) { |
| 200 | switch (msg.what) { |
| 201 | case AsyncChannel.CMD_CHANNEL_HALF_CONNECTED: { |
| 202 | if (msg.arg1 == AsyncChannel.STATUS_SUCCESSFUL) { |
| 203 | mWifiStateMachineChannel = mWsmChannel; |
| 204 | } else { |
| 205 | Slog.e(TAG, "WifiStateMachine connection failure, error=" + msg.arg1); |
| 206 | mWifiStateMachineChannel = null; |
| 207 | } |
| 208 | break; |
| 209 | } |
Irfan Sheriff | 6da83d5 | 2011-06-06 12:54:06 -0700 | [diff] [blame] | 210 | case AsyncChannel.CMD_CHANNEL_DISCONNECTED: { |
| 211 | Slog.e(TAG, "WifiStateMachine channel lost, msg.arg1 =" + msg.arg1); |
| 212 | mWifiStateMachineChannel = null; |
| 213 | //Re-establish connection to state machine |
| 214 | mWsmChannel.connect(mContext, this, mWifiStateMachine.getHandler()); |
| 215 | break; |
| 216 | } |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 217 | default: { |
| 218 | Slog.d(TAG, "WifiStateMachineHandler.handleMessage ignoring msg=" + msg); |
| 219 | break; |
| 220 | } |
| 221 | } |
| 222 | } |
| 223 | } |
| 224 | WifiStateMachineHandler mWifiStateMachineHandler; |
Wink Saville | 4b7ba09 | 2010-10-20 15:37:41 -0700 | [diff] [blame] | 225 | |
Isaac Levy | 654f509 | 2011-07-13 17:41:45 -0700 | [diff] [blame] | 226 | private WifiWatchdogStateMachine mWifiWatchdogStateMachine; |
Irfan Sheriff | 0d25534 | 2010-07-28 09:35:20 -0700 | [diff] [blame] | 227 | |
Irfan Sheriff | b8c0e00 | 2013-02-20 14:19:54 -0800 | [diff] [blame] | 228 | public WifiService(Context context) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 229 | mContext = context; |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 230 | |
| 231 | mInterfaceName = SystemProperties.get("wifi.interface", "wlan0"); |
| 232 | |
| 233 | mWifiStateMachine = new WifiStateMachine(mContext, mInterfaceName); |
Irfan Sheriff | 0d25534 | 2010-07-28 09:35:20 -0700 | [diff] [blame] | 234 | mWifiStateMachine.enableRssiPolling(true); |
The Android Open Source Project | 1059253 | 2009-03-18 17:39:46 -0700 | [diff] [blame] | 235 | mBatteryStats = BatteryStatsService.getService(); |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 236 | mAppOps = (AppOpsManager)context.getSystemService(Context.APP_OPS_SERVICE); |
Jaikumar Ganesh | 084c665 | 2009-12-07 10:58:18 -0800 | [diff] [blame] | 237 | |
Irfan Sheriff | b8c0e00 | 2013-02-20 14:19:54 -0800 | [diff] [blame] | 238 | mNotificationController = new WifiNotificationController(mContext, mWifiStateMachine); |
Irfan Sheriff | c808a19 | 2013-03-05 09:46:36 -0800 | [diff] [blame] | 239 | mTrafficPoller = new WifiTrafficPoller(mContext, mInterfaceName); |
Irfan Sheriff | b8c0e00 | 2013-02-20 14:19:54 -0800 | [diff] [blame] | 240 | mSettingsStore = new WifiSettingsStore(mContext); |
| 241 | |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 242 | HandlerThread wifiThread = new HandlerThread("WifiService"); |
| 243 | wifiThread.start(); |
| 244 | mClientHandler = new ClientHandler(wifiThread.getLooper()); |
| 245 | mWifiStateMachineHandler = new WifiStateMachineHandler(wifiThread.getLooper()); |
| 246 | mWifiController = new WifiController(mContext, this, wifiThread.getLooper()); |
| 247 | mWifiController.start(); |
| 248 | |
| 249 | registerForScanModeChange(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 250 | mContext.registerReceiver( |
| 251 | new BroadcastReceiver() { |
| 252 | @Override |
| 253 | public void onReceive(Context context, Intent intent) { |
Irfan Sheriff | 8a64b1a | 2013-02-20 15:12:41 -0800 | [diff] [blame] | 254 | if (mSettingsStore.handleAirplaneModeToggled()) { |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 255 | mWifiController.sendMessage(CMD_AIRPLANE_TOGGLED); |
Irfan Sheriff | 8a64b1a | 2013-02-20 15:12:41 -0800 | [diff] [blame] | 256 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 257 | } |
| 258 | }, |
| 259 | new IntentFilter(Intent.ACTION_AIRPLANE_MODE_CHANGED)); |
| 260 | |
Irfan Sheriff | e68d858 | 2013-04-23 13:43:43 -0700 | [diff] [blame] | 261 | // Adding optimizations of only receiving broadcasts when wifi is enabled |
| 262 | // can result in race conditions when apps toggle wifi in the background |
| 263 | // without active user involvement. Always receive broadcasts. |
| 264 | registerForBroadcasts(); |
Irfan Sheriff | 7b00978 | 2010-03-11 16:37:45 -0800 | [diff] [blame] | 265 | } |
Irfan Sheriff | 5321aef | 2010-02-12 12:35:59 -0800 | [diff] [blame] | 266 | |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 267 | private WifiController mWifiController; |
| 268 | |
Irfan Sheriff | 7b00978 | 2010-03-11 16:37:45 -0800 | [diff] [blame] | 269 | /** |
| 270 | * Check if Wi-Fi needs to be enabled and start |
| 271 | * if needed |
Irfan Sheriff | 60e3ba0 | 2010-04-02 12:18:45 -0700 | [diff] [blame] | 272 | * |
| 273 | * This function is used only at boot time |
Irfan Sheriff | 7b00978 | 2010-03-11 16:37:45 -0800 | [diff] [blame] | 274 | */ |
Irfan Sheriff | 0d25534 | 2010-07-28 09:35:20 -0700 | [diff] [blame] | 275 | public void checkAndStartWifi() { |
Irfan Sheriff | b8c0e00 | 2013-02-20 14:19:54 -0800 | [diff] [blame] | 276 | /* Check if wi-fi needs to be enabled */ |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 277 | boolean wifiEnabled = mSettingsStore.isWifiToggleEnabled(); |
Irfan Sheriff | 7b00978 | 2010-03-11 16:37:45 -0800 | [diff] [blame] | 278 | Slog.i(TAG, "WifiService starting up with Wi-Fi " + |
| 279 | (wifiEnabled ? "enabled" : "disabled")); |
Irfan Sheriff | f03d620 | 2012-05-17 12:33:46 -0700 | [diff] [blame] | 280 | |
| 281 | // If we are already disabled (could be due to airplane mode), avoid changing persist |
| 282 | // state here |
| 283 | if (wifiEnabled) setWifiEnabled(wifiEnabled); |
Isaac Levy | bc7dfb5 | 2011-06-06 15:34:01 -0700 | [diff] [blame] | 284 | |
Isaac Levy | 654f509 | 2011-07-13 17:41:45 -0700 | [diff] [blame] | 285 | mWifiWatchdogStateMachine = WifiWatchdogStateMachine. |
| 286 | makeWifiWatchdogStateMachine(mContext); |
| 287 | |
Irfan Sheriff | 5321aef | 2010-02-12 12:35:59 -0800 | [diff] [blame] | 288 | } |
| 289 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 290 | /** |
| 291 | * see {@link android.net.wifi.WifiManager#pingSupplicant()} |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 292 | * @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] | 293 | */ |
| 294 | public boolean pingSupplicant() { |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 295 | enforceAccessPermission(); |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 296 | if (mWifiStateMachineChannel != null) { |
| 297 | return mWifiStateMachine.syncPingSupplicant(mWifiStateMachineChannel); |
Irfan Sheriff | 1406bcb | 2010-10-28 14:41:39 -0700 | [diff] [blame] | 298 | } else { |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 299 | Slog.e(TAG, "mWifiStateMachineChannel is not initialized"); |
Irfan Sheriff | 1406bcb | 2010-10-28 14:41:39 -0700 | [diff] [blame] | 300 | return false; |
| 301 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 302 | } |
| 303 | |
| 304 | /** |
| 305 | * see {@link android.net.wifi.WifiManager#startScan()} |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 306 | */ |
Irfan Sheriff | bcc97ca | 2013-02-21 14:15:18 -0800 | [diff] [blame] | 307 | public void startScan() { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 308 | enforceChangePermission(); |
Robert Greenwalt | 8971084 | 2013-06-25 11:41:53 -0700 | [diff] [blame] | 309 | mWifiStateMachine.startScan(Binder.getCallingUid()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 310 | } |
| 311 | |
| 312 | private void enforceAccessPermission() { |
| 313 | mContext.enforceCallingOrSelfPermission(android.Manifest.permission.ACCESS_WIFI_STATE, |
| 314 | "WifiService"); |
| 315 | } |
| 316 | |
| 317 | private void enforceChangePermission() { |
| 318 | mContext.enforceCallingOrSelfPermission(android.Manifest.permission.CHANGE_WIFI_STATE, |
| 319 | "WifiService"); |
| 320 | |
| 321 | } |
| 322 | |
Robert Greenwalt | fc1b15c | 2009-05-22 15:09:51 -0700 | [diff] [blame] | 323 | private void enforceMulticastChangePermission() { |
| 324 | mContext.enforceCallingOrSelfPermission( |
| 325 | android.Manifest.permission.CHANGE_WIFI_MULTICAST_STATE, |
| 326 | "WifiService"); |
| 327 | } |
| 328 | |
Irfan Sheriff | da6da09 | 2012-08-16 12:49:23 -0700 | [diff] [blame] | 329 | private void enforceConnectivityInternalPermission() { |
| 330 | mContext.enforceCallingOrSelfPermission( |
| 331 | android.Manifest.permission.CONNECTIVITY_INTERNAL, |
| 332 | "ConnectivityService"); |
| 333 | } |
| 334 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 335 | /** |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 336 | * see {@link android.net.wifi.WifiManager#setWifiEnabled(boolean)} |
| 337 | * @param enable {@code true} to enable, {@code false} to disable. |
| 338 | * @return {@code true} if the enable/disable operation was |
| 339 | * started or is already in the queue. |
| 340 | */ |
| 341 | public synchronized boolean setWifiEnabled(boolean enable) { |
| 342 | enforceChangePermission(); |
Irfan Sheriff | bd21b78 | 2012-05-16 13:13:54 -0700 | [diff] [blame] | 343 | Slog.d(TAG, "setWifiEnabled: " + enable + " pid=" + Binder.getCallingPid() |
| 344 | + ", uid=" + Binder.getCallingUid()); |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 345 | if (DBG) { |
Irfan Sheriff | 0d25534 | 2010-07-28 09:35:20 -0700 | [diff] [blame] | 346 | Slog.e(TAG, "Invoking mWifiStateMachine.setWifiEnabled\n"); |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 347 | } |
| 348 | |
Irfan Sheriff | 6118069 | 2010-08-18 16:07:39 -0700 | [diff] [blame] | 349 | /* |
Irfan Sheriff | b8c0e00 | 2013-02-20 14:19:54 -0800 | [diff] [blame] | 350 | * Caller might not have WRITE_SECURE_SETTINGS, |
| 351 | * only CHANGE_WIFI_STATE is enforced |
| 352 | */ |
Irfan Sheriff | 5401f0b | 2011-12-07 16:27:49 -0800 | [diff] [blame] | 353 | |
Irfan Sheriff | f03d620 | 2012-05-17 12:33:46 -0700 | [diff] [blame] | 354 | long ident = Binder.clearCallingIdentity(); |
Irfan Sheriff | 3d33a63 | 2012-09-16 17:59:13 -0700 | [diff] [blame] | 355 | try { |
Irfan Sheriff | 8a64b1a | 2013-02-20 15:12:41 -0800 | [diff] [blame] | 356 | if (! mSettingsStore.handleWifiToggled(enable)) { |
| 357 | // Nothing to do if wifi cannot be toggled |
| 358 | return true; |
| 359 | } |
Irfan Sheriff | 3d33a63 | 2012-09-16 17:59:13 -0700 | [diff] [blame] | 360 | } finally { |
| 361 | Binder.restoreCallingIdentity(ident); |
| 362 | } |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 363 | |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 364 | mWifiController.sendMessage(CMD_WIFI_TOGGLED); |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 365 | return true; |
| 366 | } |
| 367 | |
| 368 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 369 | * see {@link WifiManager#getWifiState()} |
| 370 | * @return One of {@link WifiManager#WIFI_STATE_DISABLED}, |
| 371 | * {@link WifiManager#WIFI_STATE_DISABLING}, |
| 372 | * {@link WifiManager#WIFI_STATE_ENABLED}, |
| 373 | * {@link WifiManager#WIFI_STATE_ENABLING}, |
| 374 | * {@link WifiManager#WIFI_STATE_UNKNOWN} |
| 375 | */ |
| 376 | public int getWifiEnabledState() { |
| 377 | enforceAccessPermission(); |
Irfan Sheriff | d8134ff | 2010-08-22 17:06:34 -0700 | [diff] [blame] | 378 | return mWifiStateMachine.syncGetWifiState(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 379 | } |
| 380 | |
| 381 | /** |
Irfan Sheriff | c2f54c2 | 2010-03-18 14:02:22 -0700 | [diff] [blame] | 382 | * see {@link android.net.wifi.WifiManager#setWifiApEnabled(WifiConfiguration, boolean)} |
Irfan Sheriff | 5321aef | 2010-02-12 12:35:59 -0800 | [diff] [blame] | 383 | * @param wifiConfig SSID, security and channel details as |
| 384 | * part of WifiConfiguration |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 385 | * @param enabled true to enable and false to disable |
Irfan Sheriff | 5321aef | 2010-02-12 12:35:59 -0800 | [diff] [blame] | 386 | */ |
Irfan Sheriff | ffcea7a | 2011-05-10 16:26:06 -0700 | [diff] [blame] | 387 | public void setWifiApEnabled(WifiConfiguration wifiConfig, boolean enabled) { |
Irfan Sheriff | 5321aef | 2010-02-12 12:35:59 -0800 | [diff] [blame] | 388 | enforceChangePermission(); |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 389 | mWifiController.obtainMessage(CMD_SET_AP, enabled ? 1 : 0, 0, wifiConfig).sendToTarget(); |
Irfan Sheriff | 5321aef | 2010-02-12 12:35:59 -0800 | [diff] [blame] | 390 | } |
| 391 | |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 392 | /** |
| 393 | * see {@link WifiManager#getWifiApState()} |
| 394 | * @return One of {@link WifiManager#WIFI_AP_STATE_DISABLED}, |
| 395 | * {@link WifiManager#WIFI_AP_STATE_DISABLING}, |
| 396 | * {@link WifiManager#WIFI_AP_STATE_ENABLED}, |
| 397 | * {@link WifiManager#WIFI_AP_STATE_ENABLING}, |
| 398 | * {@link WifiManager#WIFI_AP_STATE_FAILED} |
| 399 | */ |
| 400 | public int getWifiApEnabledState() { |
Irfan Sheriff | 17b232b | 2010-06-24 11:32:26 -0700 | [diff] [blame] | 401 | enforceAccessPermission(); |
Irfan Sheriff | d8134ff | 2010-08-22 17:06:34 -0700 | [diff] [blame] | 402 | return mWifiStateMachine.syncGetWifiApState(); |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 403 | } |
| 404 | |
| 405 | /** |
| 406 | * see {@link WifiManager#getWifiApConfiguration()} |
| 407 | * @return soft access point configuration |
| 408 | */ |
Irfan Sheriff | ffcea7a | 2011-05-10 16:26:06 -0700 | [diff] [blame] | 409 | public WifiConfiguration getWifiApConfiguration() { |
| 410 | enforceAccessPermission(); |
Irfan Sheriff | 9575a1b | 2011-11-07 10:34:54 -0800 | [diff] [blame] | 411 | return mWifiStateMachine.syncGetWifiApConfiguration(); |
Irfan Sheriff | 9ab518ad | 2010-03-12 15:48:17 -0800 | [diff] [blame] | 412 | } |
| 413 | |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 414 | /** |
| 415 | * see {@link WifiManager#setWifiApConfiguration(WifiConfiguration)} |
| 416 | * @param wifiConfig WifiConfiguration details for soft access point |
| 417 | */ |
Irfan Sheriff | ffcea7a | 2011-05-10 16:26:06 -0700 | [diff] [blame] | 418 | public void setWifiApConfiguration(WifiConfiguration wifiConfig) { |
Irfan Sheriff | 17b232b | 2010-06-24 11:32:26 -0700 | [diff] [blame] | 419 | enforceChangePermission(); |
Irfan Sheriff | 9ab518ad | 2010-03-12 15:48:17 -0800 | [diff] [blame] | 420 | if (wifiConfig == null) |
| 421 | return; |
Irfan Sheriff | ffcea7a | 2011-05-10 16:26:06 -0700 | [diff] [blame] | 422 | mWifiStateMachine.setWifiApConfiguration(wifiConfig); |
Irfan Sheriff | 9ab518ad | 2010-03-12 15:48:17 -0800 | [diff] [blame] | 423 | } |
| 424 | |
Irfan Sheriff | 5321aef | 2010-02-12 12:35:59 -0800 | [diff] [blame] | 425 | /** |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 426 | * @param enable {@code true} to enable, {@code false} to disable. |
| 427 | * @return {@code true} if the enable/disable operation was |
| 428 | * started or is already in the queue. |
| 429 | */ |
Irfan Sheriff | 7ea33ea | 2013-04-19 08:39:53 -0700 | [diff] [blame] | 430 | public boolean isScanAlwaysAvailable() { |
Irfan Sheriff | 1ef840c | 2013-03-12 17:09:27 -0700 | [diff] [blame] | 431 | enforceAccessPermission(); |
| 432 | return mSettingsStore.isScanAlwaysAvailable(); |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 433 | } |
| 434 | |
| 435 | /** |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 436 | * see {@link android.net.wifi.WifiManager#disconnect()} |
Irfan Sheriff | 5321aef | 2010-02-12 12:35:59 -0800 | [diff] [blame] | 437 | */ |
Irfan Sheriff | e498475 | 2010-08-19 11:29:22 -0700 | [diff] [blame] | 438 | public void disconnect() { |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 439 | enforceChangePermission(); |
Irfan Sheriff | e498475 | 2010-08-19 11:29:22 -0700 | [diff] [blame] | 440 | mWifiStateMachine.disconnectCommand(); |
Irfan Sheriff | 5321aef | 2010-02-12 12:35:59 -0800 | [diff] [blame] | 441 | } |
| 442 | |
| 443 | /** |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 444 | * see {@link android.net.wifi.WifiManager#reconnect()} |
Irfan Sheriff | 5321aef | 2010-02-12 12:35:59 -0800 | [diff] [blame] | 445 | */ |
Irfan Sheriff | e498475 | 2010-08-19 11:29:22 -0700 | [diff] [blame] | 446 | public void reconnect() { |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 447 | enforceChangePermission(); |
Irfan Sheriff | e498475 | 2010-08-19 11:29:22 -0700 | [diff] [blame] | 448 | mWifiStateMachine.reconnectCommand(); |
Irfan Sheriff | 5321aef | 2010-02-12 12:35:59 -0800 | [diff] [blame] | 449 | } |
| 450 | |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 451 | /** |
| 452 | * see {@link android.net.wifi.WifiManager#reassociate()} |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 453 | */ |
Irfan Sheriff | e498475 | 2010-08-19 11:29:22 -0700 | [diff] [blame] | 454 | public void reassociate() { |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 455 | enforceChangePermission(); |
Irfan Sheriff | e498475 | 2010-08-19 11:29:22 -0700 | [diff] [blame] | 456 | mWifiStateMachine.reassociateCommand(); |
Irfan Sheriff | 5321aef | 2010-02-12 12:35:59 -0800 | [diff] [blame] | 457 | } |
| 458 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 459 | /** |
| 460 | * see {@link android.net.wifi.WifiManager#getConfiguredNetworks()} |
| 461 | * @return the list of configured networks |
| 462 | */ |
| 463 | public List<WifiConfiguration> getConfiguredNetworks() { |
| 464 | enforceAccessPermission(); |
Irfan Sheriff | e744cff | 2011-12-11 09:17:50 -0800 | [diff] [blame] | 465 | if (mWifiStateMachineChannel != null) { |
| 466 | return mWifiStateMachine.syncGetConfiguredNetworks(mWifiStateMachineChannel); |
| 467 | } else { |
| 468 | Slog.e(TAG, "mWifiStateMachineChannel is not initialized"); |
| 469 | return null; |
| 470 | } |
Chung-yih Wang | a8d1594 | 2009-10-09 11:01:49 +0800 | [diff] [blame] | 471 | } |
| 472 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 473 | /** |
| 474 | * see {@link android.net.wifi.WifiManager#addOrUpdateNetwork(WifiConfiguration)} |
| 475 | * @return the supplicant-assigned identifier for the new or updated |
| 476 | * network if the operation succeeds, or {@code -1} if it fails |
| 477 | */ |
Irfan Sheriff | 7aac554 | 2009-12-22 21:42:17 -0800 | [diff] [blame] | 478 | public int addOrUpdateNetwork(WifiConfiguration config) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 479 | enforceChangePermission(); |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 480 | if (mWifiStateMachineChannel != null) { |
| 481 | return mWifiStateMachine.syncAddOrUpdateNetwork(mWifiStateMachineChannel, config); |
Irfan Sheriff | 1406bcb | 2010-10-28 14:41:39 -0700 | [diff] [blame] | 482 | } else { |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 483 | Slog.e(TAG, "mWifiStateMachineChannel is not initialized"); |
Irfan Sheriff | 1406bcb | 2010-10-28 14:41:39 -0700 | [diff] [blame] | 484 | return -1; |
| 485 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 486 | } |
| 487 | |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 488 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 489 | * See {@link android.net.wifi.WifiManager#removeNetwork(int)} |
| 490 | * @param netId the integer that identifies the network configuration |
| 491 | * to the supplicant |
| 492 | * @return {@code true} if the operation succeeded |
| 493 | */ |
| 494 | public boolean removeNetwork(int netId) { |
| 495 | enforceChangePermission(); |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 496 | if (mWifiStateMachineChannel != null) { |
| 497 | return mWifiStateMachine.syncRemoveNetwork(mWifiStateMachineChannel, netId); |
Wink Saville | 4b7ba09 | 2010-10-20 15:37:41 -0700 | [diff] [blame] | 498 | } else { |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 499 | Slog.e(TAG, "mWifiStateMachineChannel is not initialized"); |
Wink Saville | 4b7ba09 | 2010-10-20 15:37:41 -0700 | [diff] [blame] | 500 | return false; |
| 501 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 502 | } |
| 503 | |
| 504 | /** |
| 505 | * See {@link android.net.wifi.WifiManager#enableNetwork(int, boolean)} |
| 506 | * @param netId the integer that identifies the network configuration |
| 507 | * to the supplicant |
| 508 | * @param disableOthers if true, disable all other networks. |
| 509 | * @return {@code true} if the operation succeeded |
| 510 | */ |
| 511 | public boolean enableNetwork(int netId, boolean disableOthers) { |
| 512 | enforceChangePermission(); |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 513 | if (mWifiStateMachineChannel != null) { |
| 514 | return mWifiStateMachine.syncEnableNetwork(mWifiStateMachineChannel, netId, |
| 515 | disableOthers); |
Irfan Sheriff | 1406bcb | 2010-10-28 14:41:39 -0700 | [diff] [blame] | 516 | } else { |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 517 | Slog.e(TAG, "mWifiStateMachineChannel is not initialized"); |
Irfan Sheriff | 1406bcb | 2010-10-28 14:41:39 -0700 | [diff] [blame] | 518 | return false; |
| 519 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 520 | } |
| 521 | |
| 522 | /** |
| 523 | * See {@link android.net.wifi.WifiManager#disableNetwork(int)} |
| 524 | * @param netId the integer that identifies the network configuration |
| 525 | * to the supplicant |
| 526 | * @return {@code true} if the operation succeeded |
| 527 | */ |
| 528 | public boolean disableNetwork(int netId) { |
| 529 | enforceChangePermission(); |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 530 | if (mWifiStateMachineChannel != null) { |
| 531 | return mWifiStateMachine.syncDisableNetwork(mWifiStateMachineChannel, netId); |
Irfan Sheriff | 1406bcb | 2010-10-28 14:41:39 -0700 | [diff] [blame] | 532 | } else { |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 533 | Slog.e(TAG, "mWifiStateMachineChannel is not initialized"); |
Irfan Sheriff | 1406bcb | 2010-10-28 14:41:39 -0700 | [diff] [blame] | 534 | return false; |
| 535 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 536 | } |
| 537 | |
| 538 | /** |
| 539 | * See {@link android.net.wifi.WifiManager#getConnectionInfo()} |
| 540 | * @return the Wi-Fi information, contained in {@link WifiInfo}. |
| 541 | */ |
| 542 | public WifiInfo getConnectionInfo() { |
| 543 | enforceAccessPermission(); |
| 544 | /* |
| 545 | * Make sure we have the latest information, by sending |
| 546 | * a status request to the supplicant. |
| 547 | */ |
Irfan Sheriff | d8134ff | 2010-08-22 17:06:34 -0700 | [diff] [blame] | 548 | return mWifiStateMachine.syncRequestConnectionInfo(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 549 | } |
| 550 | |
| 551 | /** |
| 552 | * Return the results of the most recent access point scan, in the form of |
| 553 | * a list of {@link ScanResult} objects. |
| 554 | * @return the list of results |
| 555 | */ |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 556 | public List<ScanResult> getScanResults(String callingPackage) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 557 | enforceAccessPermission(); |
Irfan Sheriff | db831da | 2012-09-16 17:39:26 -0700 | [diff] [blame] | 558 | int userId = UserHandle.getCallingUserId(); |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 559 | int uid = Binder.getCallingUid(); |
Irfan Sheriff | db831da | 2012-09-16 17:39:26 -0700 | [diff] [blame] | 560 | long ident = Binder.clearCallingIdentity(); |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 561 | if (mAppOps.noteOp(AppOpsManager.OP_WIFI_SCAN, uid, callingPackage) |
| 562 | != AppOpsManager.MODE_ALLOWED) { |
| 563 | return new ArrayList<ScanResult>(); |
| 564 | } |
Irfan Sheriff | 3d33a63 | 2012-09-16 17:59:13 -0700 | [diff] [blame] | 565 | try { |
| 566 | int currentUser = ActivityManager.getCurrentUser(); |
| 567 | if (userId != currentUser) { |
| 568 | return new ArrayList<ScanResult>(); |
| 569 | } else { |
| 570 | return mWifiStateMachine.syncGetScanResultsList(); |
| 571 | } |
| 572 | } finally { |
| 573 | Binder.restoreCallingIdentity(ident); |
Irfan Sheriff | 330b187 | 2012-09-16 12:27:57 -0700 | [diff] [blame] | 574 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 575 | } |
| 576 | |
| 577 | /** |
| 578 | * Tell the supplicant to persist the current list of configured networks. |
| 579 | * @return {@code true} if the operation succeeded |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 580 | * |
| 581 | * TODO: deprecate this |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 582 | */ |
| 583 | public boolean saveConfiguration() { |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 584 | boolean result = true; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 585 | enforceChangePermission(); |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 586 | if (mWifiStateMachineChannel != null) { |
| 587 | return mWifiStateMachine.syncSaveConfig(mWifiStateMachineChannel); |
Irfan Sheriff | 1406bcb | 2010-10-28 14:41:39 -0700 | [diff] [blame] | 588 | } else { |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 589 | Slog.e(TAG, "mWifiStateMachineChannel is not initialized"); |
Irfan Sheriff | 1406bcb | 2010-10-28 14:41:39 -0700 | [diff] [blame] | 590 | return false; |
| 591 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 592 | } |
| 593 | |
| 594 | /** |
Irfan Sheriff | ed4f28b | 2010-10-29 15:32:10 -0700 | [diff] [blame] | 595 | * Set the country code |
| 596 | * @param countryCode ISO 3166 country code. |
Robert Greenwalt | b5010cc | 2009-05-21 15:11:40 -0700 | [diff] [blame] | 597 | * @param persist {@code true} if the setting should be remembered. |
Irfan Sheriff | ed4f28b | 2010-10-29 15:32:10 -0700 | [diff] [blame] | 598 | * |
| 599 | * The persist behavior exists so that wifi can fall back to the last |
| 600 | * persisted country code on a restart, when the locale information is |
| 601 | * not available from telephony. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 602 | */ |
Irfan Sheriff | ed4f28b | 2010-10-29 15:32:10 -0700 | [diff] [blame] | 603 | public void setCountryCode(String countryCode, boolean persist) { |
| 604 | Slog.i(TAG, "WifiService trying to set country code to " + countryCode + |
| 605 | " with persist set to " + persist); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 606 | enforceChangePermission(); |
Robert Greenwalt | 304aad4 | 2013-05-31 17:57:10 -0700 | [diff] [blame] | 607 | final long token = Binder.clearCallingIdentity(); |
| 608 | try { |
| 609 | mWifiStateMachine.setCountryCode(countryCode, persist); |
| 610 | } finally { |
| 611 | Binder.restoreCallingIdentity(token); |
| 612 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 613 | } |
| 614 | |
| 615 | /** |
Irfan Sheriff | 36f7413 | 2010-11-04 16:57:37 -0700 | [diff] [blame] | 616 | * Set the operational frequency band |
| 617 | * @param band One of |
| 618 | * {@link WifiManager#WIFI_FREQUENCY_BAND_AUTO}, |
| 619 | * {@link WifiManager#WIFI_FREQUENCY_BAND_5GHZ}, |
| 620 | * {@link WifiManager#WIFI_FREQUENCY_BAND_2GHZ}, |
| 621 | * @param persist {@code true} if the setting should be remembered. |
| 622 | * |
| 623 | */ |
| 624 | public void setFrequencyBand(int band, boolean persist) { |
| 625 | enforceChangePermission(); |
| 626 | if (!isDualBandSupported()) return; |
| 627 | Slog.i(TAG, "WifiService trying to set frequency band to " + band + |
| 628 | " with persist set to " + persist); |
Robert Greenwalt | 304aad4 | 2013-05-31 17:57:10 -0700 | [diff] [blame] | 629 | final long token = Binder.clearCallingIdentity(); |
| 630 | try { |
| 631 | mWifiStateMachine.setFrequencyBand(band, persist); |
| 632 | } finally { |
| 633 | Binder.restoreCallingIdentity(token); |
| 634 | } |
Irfan Sheriff | 36f7413 | 2010-11-04 16:57:37 -0700 | [diff] [blame] | 635 | } |
| 636 | |
| 637 | |
| 638 | /** |
| 639 | * Get the operational frequency band |
| 640 | */ |
| 641 | public int getFrequencyBand() { |
| 642 | enforceAccessPermission(); |
| 643 | return mWifiStateMachine.getFrequencyBand(); |
| 644 | } |
| 645 | |
| 646 | public boolean isDualBandSupported() { |
| 647 | //TODO: Should move towards adding a driver API that checks at runtime |
| 648 | return mContext.getResources().getBoolean( |
| 649 | com.android.internal.R.bool.config_wifi_dual_band_support); |
| 650 | } |
| 651 | |
| 652 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 653 | * Return the DHCP-assigned addresses from the last successful DHCP request, |
| 654 | * if any. |
| 655 | * @return the DHCP information |
Robert Greenwalt | 4717c26 | 2012-10-31 14:32:53 -0700 | [diff] [blame] | 656 | * @deprecated |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 657 | */ |
| 658 | public DhcpInfo getDhcpInfo() { |
| 659 | enforceAccessPermission(); |
Robert Greenwalt | 4717c26 | 2012-10-31 14:32:53 -0700 | [diff] [blame] | 660 | DhcpResults dhcpResults = mWifiStateMachine.syncGetDhcpResults(); |
| 661 | if (dhcpResults.linkProperties == null) return null; |
| 662 | |
| 663 | DhcpInfo info = new DhcpInfo(); |
| 664 | for (LinkAddress la : dhcpResults.linkProperties.getLinkAddresses()) { |
| 665 | InetAddress addr = la.getAddress(); |
| 666 | if (addr instanceof Inet4Address) { |
| 667 | info.ipAddress = NetworkUtils.inetAddressToInt((Inet4Address)addr); |
| 668 | break; |
| 669 | } |
| 670 | } |
| 671 | for (RouteInfo r : dhcpResults.linkProperties.getRoutes()) { |
| 672 | if (r.isDefaultRoute()) { |
| 673 | InetAddress gateway = r.getGateway(); |
| 674 | if (gateway instanceof Inet4Address) { |
| 675 | info.gateway = NetworkUtils.inetAddressToInt((Inet4Address)gateway); |
| 676 | } |
Robert Greenwalt | ca441ee | 2013-04-11 13:48:16 -0700 | [diff] [blame] | 677 | } else if (r.hasGateway() == false) { |
Robert Greenwalt | 4717c26 | 2012-10-31 14:32:53 -0700 | [diff] [blame] | 678 | LinkAddress dest = r.getDestination(); |
| 679 | if (dest.getAddress() instanceof Inet4Address) { |
| 680 | info.netmask = NetworkUtils.prefixLengthToNetmaskInt( |
| 681 | dest.getNetworkPrefixLength()); |
| 682 | } |
| 683 | } |
| 684 | } |
| 685 | int dnsFound = 0; |
| 686 | for (InetAddress dns : dhcpResults.linkProperties.getDnses()) { |
| 687 | if (dns instanceof Inet4Address) { |
| 688 | if (dnsFound == 0) { |
| 689 | info.dns1 = NetworkUtils.inetAddressToInt((Inet4Address)dns); |
| 690 | } else { |
| 691 | info.dns2 = NetworkUtils.inetAddressToInt((Inet4Address)dns); |
| 692 | } |
| 693 | if (++dnsFound > 1) break; |
| 694 | } |
| 695 | } |
| 696 | InetAddress serverAddress = dhcpResults.serverAddress; |
| 697 | if (serverAddress instanceof Inet4Address) { |
| 698 | info.serverAddress = NetworkUtils.inetAddressToInt((Inet4Address)serverAddress); |
| 699 | } |
| 700 | info.leaseDuration = dhcpResults.leaseDuration; |
| 701 | |
| 702 | return info; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 703 | } |
| 704 | |
Irfan Sheriff | 0d25534 | 2010-07-28 09:35:20 -0700 | [diff] [blame] | 705 | /** |
| 706 | * see {@link android.net.wifi.WifiManager#startWifi} |
| 707 | * |
| 708 | */ |
| 709 | public void startWifi() { |
Irfan Sheriff | da6da09 | 2012-08-16 12:49:23 -0700 | [diff] [blame] | 710 | enforceConnectivityInternalPermission(); |
Irfan Sheriff | 0d25534 | 2010-07-28 09:35:20 -0700 | [diff] [blame] | 711 | /* TODO: may be add permissions for access only to connectivity service |
| 712 | * TODO: if a start issued, keep wifi alive until a stop issued irrespective |
| 713 | * of WifiLock & device idle status unless wifi enabled status is toggled |
| 714 | */ |
| 715 | |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 716 | mWifiStateMachine.setDriverStart(true); |
Irfan Sheriff | 0d25534 | 2010-07-28 09:35:20 -0700 | [diff] [blame] | 717 | mWifiStateMachine.reconnectCommand(); |
| 718 | } |
| 719 | |
Irfan Sheriff | da6da09 | 2012-08-16 12:49:23 -0700 | [diff] [blame] | 720 | public void captivePortalCheckComplete() { |
| 721 | enforceConnectivityInternalPermission(); |
| 722 | mWifiStateMachine.captivePortalCheckComplete(); |
| 723 | } |
| 724 | |
Irfan Sheriff | 0d25534 | 2010-07-28 09:35:20 -0700 | [diff] [blame] | 725 | /** |
| 726 | * see {@link android.net.wifi.WifiManager#stopWifi} |
| 727 | * |
| 728 | */ |
| 729 | public void stopWifi() { |
Irfan Sheriff | da6da09 | 2012-08-16 12:49:23 -0700 | [diff] [blame] | 730 | enforceConnectivityInternalPermission(); |
| 731 | /* |
Irfan Sheriff | 0d25534 | 2010-07-28 09:35:20 -0700 | [diff] [blame] | 732 | * TODO: if a stop is issued, wifi is brought up only by startWifi |
| 733 | * unless wifi enabled status is toggled |
| 734 | */ |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 735 | mWifiStateMachine.setDriverStart(false); |
Irfan Sheriff | 0d25534 | 2010-07-28 09:35:20 -0700 | [diff] [blame] | 736 | } |
| 737 | |
Irfan Sheriff | 0d25534 | 2010-07-28 09:35:20 -0700 | [diff] [blame] | 738 | /** |
| 739 | * see {@link android.net.wifi.WifiManager#addToBlacklist} |
| 740 | * |
| 741 | */ |
| 742 | public void addToBlacklist(String bssid) { |
| 743 | enforceChangePermission(); |
| 744 | |
| 745 | mWifiStateMachine.addToBlacklist(bssid); |
| 746 | } |
| 747 | |
| 748 | /** |
| 749 | * see {@link android.net.wifi.WifiManager#clearBlacklist} |
| 750 | * |
| 751 | */ |
| 752 | public void clearBlacklist() { |
| 753 | enforceChangePermission(); |
| 754 | |
| 755 | mWifiStateMachine.clearBlacklist(); |
| 756 | } |
| 757 | |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 758 | /** |
Vinit Deshapnde | 64f0d5b | 2013-07-11 15:12:44 -0700 | [diff] [blame] | 759 | * enable TDLS for the local NIC to remote NIC |
| 760 | * The APPs don't know the remote MAC address to identify NIC though, |
| 761 | * so we need to do additional work to find it from remote IP address |
| 762 | */ |
| 763 | |
| 764 | class TdlsTaskParams { |
| 765 | public String remoteIpAddress; |
| 766 | public boolean enable; |
| 767 | } |
| 768 | |
| 769 | class TdlsTask extends AsyncTask<TdlsTaskParams, Integer, Integer> { |
| 770 | @Override |
| 771 | protected Integer doInBackground(TdlsTaskParams... params) { |
| 772 | |
| 773 | // Retrieve parameters for the call |
| 774 | TdlsTaskParams param = params[0]; |
| 775 | String remoteIpAddress = param.remoteIpAddress.trim(); |
| 776 | boolean enable = param.enable; |
| 777 | |
| 778 | // Get MAC address of Remote IP |
| 779 | String macAddress = null; |
| 780 | |
| 781 | BufferedReader reader = null; |
| 782 | |
| 783 | try { |
| 784 | reader = new BufferedReader(new FileReader("/proc/net/arp")); |
| 785 | |
| 786 | // Skip over the line bearing colum titles |
| 787 | String line = reader.readLine(); |
| 788 | |
| 789 | while ((line = reader.readLine()) != null) { |
| 790 | String[] tokens = line.split("[ ]+"); |
| 791 | if (tokens.length < 6) { |
| 792 | continue; |
| 793 | } |
| 794 | |
| 795 | // ARP column format is |
| 796 | // Address HWType HWAddress Flags Mask IFace |
| 797 | String ip = tokens[0]; |
| 798 | String mac = tokens[3]; |
| 799 | |
| 800 | if (remoteIpAddress.equals(ip)) { |
| 801 | macAddress = mac; |
| 802 | break; |
| 803 | } |
| 804 | } |
| 805 | |
| 806 | if (macAddress == null) { |
| 807 | Slog.w(TAG, "Did not find remoteAddress {" + remoteIpAddress + "} in " + |
| 808 | "/proc/net/arp"); |
| 809 | } else { |
| 810 | enableTdlsWithMacAddress(macAddress, enable); |
| 811 | } |
| 812 | |
| 813 | } catch (FileNotFoundException e) { |
| 814 | Slog.e(TAG, "Could not open /proc/net/arp to lookup mac address"); |
| 815 | } catch (IOException e) { |
| 816 | Slog.e(TAG, "Could not read /proc/net/arp to lookup mac address"); |
| 817 | } finally { |
| 818 | try { |
| 819 | if (reader != null) { |
| 820 | reader.close(); |
| 821 | } |
| 822 | } |
| 823 | catch (IOException e) { |
| 824 | // Do nothing |
| 825 | } |
| 826 | } |
| 827 | |
| 828 | return 0; |
| 829 | } |
| 830 | } |
| 831 | |
| 832 | public void enableTdls(String remoteAddress, boolean enable) { |
| 833 | TdlsTaskParams params = new TdlsTaskParams(); |
| 834 | params.remoteIpAddress = remoteAddress; |
| 835 | params.enable = enable; |
| 836 | new TdlsTask().execute(params); |
| 837 | } |
| 838 | |
| 839 | |
| 840 | public void enableTdlsWithMacAddress(String remoteMacAddress, boolean enable) { |
| 841 | mWifiStateMachine.enableTdls(remoteMacAddress, enable); |
| 842 | } |
| 843 | |
| 844 | /** |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 845 | * Get a reference to handler. This is used by a client to establish |
| 846 | * an AsyncChannel communication with WifiService |
| 847 | */ |
Irfan Sheriff | 07573b3 | 2012-01-27 21:00:19 -0800 | [diff] [blame] | 848 | public Messenger getWifiServiceMessenger() { |
Irfan Sheriff | 35bbe27 | 2012-08-23 16:57:43 -0700 | [diff] [blame] | 849 | enforceAccessPermission(); |
| 850 | enforceChangePermission(); |
Irfan Sheriff | b8c0e00 | 2013-02-20 14:19:54 -0800 | [diff] [blame] | 851 | return new Messenger(mClientHandler); |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 852 | } |
| 853 | |
Irfan Sheriff | 07573b3 | 2012-01-27 21:00:19 -0800 | [diff] [blame] | 854 | /** Get a reference to WifiStateMachine handler for AsyncChannel communication */ |
| 855 | public Messenger getWifiStateMachineMessenger() { |
| 856 | enforceAccessPermission(); |
| 857 | enforceChangePermission(); |
| 858 | return mWifiStateMachine.getMessenger(); |
| 859 | } |
| 860 | |
Irfan Sheriff | 4aeca7c5 | 2011-03-10 16:53:33 -0800 | [diff] [blame] | 861 | /** |
| 862 | * Get the IP and proxy configuration file |
| 863 | */ |
| 864 | public String getConfigFile() { |
| 865 | enforceAccessPermission(); |
| 866 | return mWifiStateMachine.getConfigFile(); |
| 867 | } |
| 868 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 869 | private final BroadcastReceiver mReceiver = new BroadcastReceiver() { |
| 870 | @Override |
| 871 | public void onReceive(Context context, Intent intent) { |
| 872 | String action = intent.getAction(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 873 | if (action.equals(Intent.ACTION_SCREEN_ON)) { |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 874 | mWifiController.sendMessage(CMD_SCREEN_ON); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 875 | } else if (action.equals(Intent.ACTION_SCREEN_OFF)) { |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 876 | mWifiController.sendMessage(CMD_SCREEN_OFF); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 877 | } else if (action.equals(Intent.ACTION_BATTERY_CHANGED)) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 878 | int pluggedType = intent.getIntExtra("plugged", 0); |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 879 | mWifiController.sendMessage(CMD_BATTERY_CHANGED, pluggedType, 0, null); |
Irfan Sheriff | 65eaec8 | 2011-01-05 22:00:16 -0800 | [diff] [blame] | 880 | } else if (action.equals(BluetoothAdapter.ACTION_CONNECTION_STATE_CHANGED)) { |
| 881 | int state = intent.getIntExtra(BluetoothAdapter.EXTRA_CONNECTION_STATE, |
| 882 | BluetoothAdapter.STATE_DISCONNECTED); |
| 883 | mWifiStateMachine.sendBluetoothAdapterStateChange(state); |
Irfan Sheriff | 616f317 | 2011-09-11 19:59:01 -0700 | [diff] [blame] | 884 | } else if (action.equals(TelephonyIntents.ACTION_EMERGENCY_CALLBACK_MODE_CHANGED)) { |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 885 | boolean emergencyMode = intent.getBooleanExtra("phoneinECMState", false); |
| 886 | 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] | 887 | } |
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 | |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 891 | /** |
| 892 | * Observes settings changes to scan always mode. |
| 893 | */ |
| 894 | private void registerForScanModeChange() { |
| 895 | ContentObserver contentObserver = new ContentObserver(null) { |
| 896 | @Override |
| 897 | public void onChange(boolean selfChange) { |
| 898 | mSettingsStore.handleWifiScanAlwaysAvailableToggled(); |
| 899 | mWifiController.sendMessage(CMD_SCAN_ALWAYS_MODE_CHANGED); |
Dianne Hackborn | 58e0eef | 2010-09-16 01:22:10 -0700 | [diff] [blame] | 900 | } |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 901 | }; |
Jaikumar Ganesh | 7440fc2 | 2010-09-27 17:04:14 -0700 | [diff] [blame] | 902 | |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 903 | mContext.getContentResolver().registerContentObserver( |
| 904 | Settings.Global.getUriFor(Settings.Global.WIFI_SCAN_ALWAYS_AVAILABLE), |
| 905 | false, contentObserver); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 906 | } |
| 907 | |
| 908 | private void registerForBroadcasts() { |
| 909 | IntentFilter intentFilter = new IntentFilter(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 910 | intentFilter.addAction(Intent.ACTION_SCREEN_ON); |
| 911 | intentFilter.addAction(Intent.ACTION_SCREEN_OFF); |
| 912 | intentFilter.addAction(Intent.ACTION_BATTERY_CHANGED); |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 913 | intentFilter.addAction(WifiManager.NETWORK_STATE_CHANGED_ACTION); |
Irfan Sheriff | 65eaec8 | 2011-01-05 22:00:16 -0800 | [diff] [blame] | 914 | intentFilter.addAction(BluetoothAdapter.ACTION_CONNECTION_STATE_CHANGED); |
Irfan Sheriff | 616f317 | 2011-09-11 19:59:01 -0700 | [diff] [blame] | 915 | intentFilter.addAction(TelephonyIntents.ACTION_EMERGENCY_CALLBACK_MODE_CHANGED); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 916 | mContext.registerReceiver(mReceiver, intentFilter); |
| 917 | } |
Jaikumar Ganesh | 084c665 | 2009-12-07 10:58:18 -0800 | [diff] [blame] | 918 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 919 | @Override |
| 920 | protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| 921 | if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) |
| 922 | != PackageManager.PERMISSION_GRANTED) { |
| 923 | pw.println("Permission Denial: can't dump WifiService from from pid=" |
| 924 | + Binder.getCallingPid() |
| 925 | + ", uid=" + Binder.getCallingUid()); |
| 926 | return; |
| 927 | } |
Irfan Sheriff | d8134ff | 2010-08-22 17:06:34 -0700 | [diff] [blame] | 928 | pw.println("Wi-Fi is " + mWifiStateMachine.syncGetWifiStateByName()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 929 | pw.println("Stay-awake conditions: " + |
Christopher Tate | c09cdce | 2012-09-10 16:50:14 -0700 | [diff] [blame] | 930 | Settings.Global.getInt(mContext.getContentResolver(), |
| 931 | Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0)); |
Irfan Sheriff | f0afe41 | 2012-11-30 14:07:44 -0800 | [diff] [blame] | 932 | pw.println("mMulticastEnabled " + mMulticastEnabled); |
| 933 | pw.println("mMulticastDisabled " + mMulticastDisabled); |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 934 | mWifiController.dump(fd, pw, args); |
Irfan Sheriff | b8c0e00 | 2013-02-20 14:19:54 -0800 | [diff] [blame] | 935 | mSettingsStore.dump(fd, pw, args); |
| 936 | mNotificationController.dump(fd, pw, args); |
| 937 | mTrafficPoller.dump(fd, pw, args); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 938 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 939 | pw.println("Latest scan results:"); |
Irfan Sheriff | d8134ff | 2010-08-22 17:06:34 -0700 | [diff] [blame] | 940 | List<ScanResult> scanResults = mWifiStateMachine.syncGetScanResultsList(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 941 | if (scanResults != null && scanResults.size() != 0) { |
| 942 | pw.println(" BSSID Frequency RSSI Flags SSID"); |
| 943 | for (ScanResult r : scanResults) { |
| 944 | pw.printf(" %17s %9d %5d %-16s %s%n", |
| 945 | r.BSSID, |
| 946 | r.frequency, |
| 947 | r.level, |
| 948 | r.capabilities, |
| 949 | r.SSID == null ? "" : r.SSID); |
| 950 | } |
| 951 | } |
| 952 | pw.println(); |
Eric Shienbrood | 5711fad | 2009-03-27 20:25:31 -0700 | [diff] [blame] | 953 | pw.println("Locks acquired: " + mFullLocksAcquired + " full, " + |
Irfan Sheriff | 5876a42 | 2010-08-12 20:26:23 -0700 | [diff] [blame] | 954 | mFullHighPerfLocksAcquired + " full high perf, " + |
Eric Shienbrood | 5711fad | 2009-03-27 20:25:31 -0700 | [diff] [blame] | 955 | mScanLocksAcquired + " scan"); |
| 956 | pw.println("Locks released: " + mFullLocksReleased + " full, " + |
Irfan Sheriff | 5876a42 | 2010-08-12 20:26:23 -0700 | [diff] [blame] | 957 | mFullHighPerfLocksReleased + " full high perf, " + |
Eric Shienbrood | 5711fad | 2009-03-27 20:25:31 -0700 | [diff] [blame] | 958 | mScanLocksReleased + " scan"); |
| 959 | pw.println(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 960 | pw.println("Locks held:"); |
| 961 | mLocks.dump(pw); |
Isaac Levy | bc7dfb5 | 2011-06-06 15:34:01 -0700 | [diff] [blame] | 962 | |
Irfan Sheriff | f0afe41 | 2012-11-30 14:07:44 -0800 | [diff] [blame] | 963 | mWifiWatchdogStateMachine.dump(fd, pw, args); |
Isaac Levy | bc7dfb5 | 2011-06-06 15:34:01 -0700 | [diff] [blame] | 964 | pw.println(); |
Irfan Sheriff | 6079237 | 2012-04-16 16:47:10 -0700 | [diff] [blame] | 965 | mWifiStateMachine.dump(fd, pw, args); |
Irfan Sheriff | f0afe41 | 2012-11-30 14:07:44 -0800 | [diff] [blame] | 966 | pw.println(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 967 | } |
| 968 | |
Robert Greenwalt | 58ff021 | 2009-05-19 15:53:54 -0700 | [diff] [blame] | 969 | private class WifiLock extends DeathRecipient { |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 970 | WifiLock(int lockMode, String tag, IBinder binder, WorkSource ws) { |
| 971 | super(lockMode, tag, binder, ws); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 972 | } |
| 973 | |
| 974 | public void binderDied() { |
| 975 | synchronized (mLocks) { |
| 976 | releaseWifiLockLocked(mBinder); |
| 977 | } |
| 978 | } |
| 979 | |
| 980 | public String toString() { |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 981 | return "WifiLock{" + mTag + " type=" + mMode + " binder=" + mBinder + "}"; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 982 | } |
| 983 | } |
| 984 | |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 985 | class LockList { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 986 | private List<WifiLock> mList; |
| 987 | |
| 988 | private LockList() { |
| 989 | mList = new ArrayList<WifiLock>(); |
| 990 | } |
| 991 | |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 992 | synchronized boolean hasLocks() { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 993 | return !mList.isEmpty(); |
| 994 | } |
| 995 | |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 996 | synchronized int getStrongestLockMode() { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 997 | if (mList.isEmpty()) { |
| 998 | return WifiManager.WIFI_MODE_FULL; |
| 999 | } |
Irfan Sheriff | 5876a42 | 2010-08-12 20:26:23 -0700 | [diff] [blame] | 1000 | |
| 1001 | if (mFullHighPerfLocksAcquired > mFullHighPerfLocksReleased) { |
| 1002 | return WifiManager.WIFI_MODE_FULL_HIGH_PERF; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1003 | } |
Irfan Sheriff | 5876a42 | 2010-08-12 20:26:23 -0700 | [diff] [blame] | 1004 | |
| 1005 | if (mFullLocksAcquired > mFullLocksReleased) { |
| 1006 | return WifiManager.WIFI_MODE_FULL; |
| 1007 | } |
| 1008 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1009 | return WifiManager.WIFI_MODE_SCAN_ONLY; |
| 1010 | } |
| 1011 | |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 1012 | synchronized void updateWorkSource(WorkSource ws) { |
| 1013 | for (int i = 0; i < mLocks.mList.size(); i++) { |
| 1014 | ws.add(mLocks.mList.get(i).mWorkSource); |
| 1015 | } |
| 1016 | } |
| 1017 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1018 | private void addLock(WifiLock lock) { |
| 1019 | if (findLockByBinder(lock.mBinder) < 0) { |
| 1020 | mList.add(lock); |
| 1021 | } |
| 1022 | } |
| 1023 | |
| 1024 | private WifiLock removeLock(IBinder binder) { |
| 1025 | int index = findLockByBinder(binder); |
| 1026 | if (index >= 0) { |
Suchi Amalapurapu | fff2fda | 2009-06-30 21:36:16 -0700 | [diff] [blame] | 1027 | WifiLock ret = mList.remove(index); |
| 1028 | ret.unlinkDeathRecipient(); |
| 1029 | return ret; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1030 | } else { |
| 1031 | return null; |
| 1032 | } |
| 1033 | } |
| 1034 | |
| 1035 | private int findLockByBinder(IBinder binder) { |
| 1036 | int size = mList.size(); |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 1037 | for (int i = size - 1; i >= 0; i--) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1038 | if (mList.get(i).mBinder == binder) |
| 1039 | return i; |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 1040 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1041 | return -1; |
| 1042 | } |
| 1043 | |
| 1044 | private void dump(PrintWriter pw) { |
| 1045 | for (WifiLock l : mList) { |
| 1046 | pw.print(" "); |
| 1047 | pw.println(l); |
| 1048 | } |
| 1049 | } |
| 1050 | } |
| 1051 | |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 1052 | void enforceWakeSourcePermission(int uid, int pid) { |
Dianne Hackborn | e746f03 | 2010-09-13 16:02:57 -0700 | [diff] [blame] | 1053 | if (uid == android.os.Process.myUid()) { |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 1054 | return; |
| 1055 | } |
| 1056 | mContext.enforcePermission(android.Manifest.permission.UPDATE_DEVICE_STATS, |
| 1057 | pid, uid, null); |
| 1058 | } |
| 1059 | |
| 1060 | 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] | 1061 | mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WAKE_LOCK, null); |
Irfan Sheriff | 5876a42 | 2010-08-12 20:26:23 -0700 | [diff] [blame] | 1062 | if (lockMode != WifiManager.WIFI_MODE_FULL && |
| 1063 | lockMode != WifiManager.WIFI_MODE_SCAN_ONLY && |
| 1064 | lockMode != WifiManager.WIFI_MODE_FULL_HIGH_PERF) { |
| 1065 | Slog.e(TAG, "Illegal argument, lockMode= " + lockMode); |
| 1066 | if (DBG) throw new IllegalArgumentException("lockMode=" + lockMode); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1067 | return false; |
| 1068 | } |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 1069 | if (ws != null && ws.size() == 0) { |
| 1070 | ws = null; |
| 1071 | } |
Dianne Hackborn | ecfd7f7 | 2010-10-08 14:23:40 -0700 | [diff] [blame] | 1072 | if (ws != null) { |
| 1073 | enforceWakeSourcePermission(Binder.getCallingUid(), Binder.getCallingPid()); |
| 1074 | } |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 1075 | if (ws == null) { |
| 1076 | ws = new WorkSource(Binder.getCallingUid()); |
| 1077 | } |
| 1078 | WifiLock wifiLock = new WifiLock(lockMode, tag, binder, ws); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1079 | synchronized (mLocks) { |
| 1080 | return acquireWifiLockLocked(wifiLock); |
| 1081 | } |
| 1082 | } |
| 1083 | |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 1084 | private void noteAcquireWifiLock(WifiLock wifiLock) throws RemoteException { |
| 1085 | switch(wifiLock.mMode) { |
| 1086 | case WifiManager.WIFI_MODE_FULL: |
Irfan Sheriff | 5876a42 | 2010-08-12 20:26:23 -0700 | [diff] [blame] | 1087 | case WifiManager.WIFI_MODE_FULL_HIGH_PERF: |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 1088 | case WifiManager.WIFI_MODE_SCAN_ONLY: |
Nick Pelly | 6ccaa54 | 2012-06-15 15:22:47 -0700 | [diff] [blame] | 1089 | mBatteryStats.noteFullWifiLockAcquiredFromSource(wifiLock.mWorkSource); |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 1090 | break; |
| 1091 | } |
| 1092 | } |
| 1093 | |
| 1094 | private void noteReleaseWifiLock(WifiLock wifiLock) throws RemoteException { |
| 1095 | switch(wifiLock.mMode) { |
| 1096 | case WifiManager.WIFI_MODE_FULL: |
Irfan Sheriff | 5876a42 | 2010-08-12 20:26:23 -0700 | [diff] [blame] | 1097 | case WifiManager.WIFI_MODE_FULL_HIGH_PERF: |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 1098 | case WifiManager.WIFI_MODE_SCAN_ONLY: |
Nick Pelly | 6ccaa54 | 2012-06-15 15:22:47 -0700 | [diff] [blame] | 1099 | mBatteryStats.noteFullWifiLockReleasedFromSource(wifiLock.mWorkSource); |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 1100 | break; |
| 1101 | } |
| 1102 | } |
| 1103 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1104 | private boolean acquireWifiLockLocked(WifiLock wifiLock) { |
Irfan Sheriff | c89dd54 | 2010-09-28 08:40:54 -0700 | [diff] [blame] | 1105 | if (DBG) Slog.d(TAG, "acquireWifiLockLocked: " + wifiLock); |
Robert Greenwalt | f1acb2d | 2009-10-13 08:20:55 -0700 | [diff] [blame] | 1106 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1107 | mLocks.addLock(wifiLock); |
Robert Greenwalt | f1acb2d | 2009-10-13 08:20:55 -0700 | [diff] [blame] | 1108 | |
The Android Open Source Project | 1059253 | 2009-03-18 17:39:46 -0700 | [diff] [blame] | 1109 | long ident = Binder.clearCallingIdentity(); |
| 1110 | try { |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 1111 | noteAcquireWifiLock(wifiLock); |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1112 | switch(wifiLock.mMode) { |
Eric Shienbrood | 5711fad | 2009-03-27 20:25:31 -0700 | [diff] [blame] | 1113 | case WifiManager.WIFI_MODE_FULL: |
| 1114 | ++mFullLocksAcquired; |
Eric Shienbrood | 5711fad | 2009-03-27 20:25:31 -0700 | [diff] [blame] | 1115 | break; |
Irfan Sheriff | 5876a42 | 2010-08-12 20:26:23 -0700 | [diff] [blame] | 1116 | case WifiManager.WIFI_MODE_FULL_HIGH_PERF: |
| 1117 | ++mFullHighPerfLocksAcquired; |
| 1118 | break; |
| 1119 | |
Eric Shienbrood | 5711fad | 2009-03-27 20:25:31 -0700 | [diff] [blame] | 1120 | case WifiManager.WIFI_MODE_SCAN_ONLY: |
| 1121 | ++mScanLocksAcquired; |
Eric Shienbrood | 5711fad | 2009-03-27 20:25:31 -0700 | [diff] [blame] | 1122 | break; |
The Android Open Source Project | 1059253 | 2009-03-18 17:39:46 -0700 | [diff] [blame] | 1123 | } |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 1124 | mWifiController.sendMessage(CMD_LOCKS_CHANGED); |
Dianne Hackborn | ecfd7f7 | 2010-10-08 14:23:40 -0700 | [diff] [blame] | 1125 | return true; |
The Android Open Source Project | 1059253 | 2009-03-18 17:39:46 -0700 | [diff] [blame] | 1126 | } catch (RemoteException e) { |
Dianne Hackborn | ecfd7f7 | 2010-10-08 14:23:40 -0700 | [diff] [blame] | 1127 | return false; |
The Android Open Source Project | 1059253 | 2009-03-18 17:39:46 -0700 | [diff] [blame] | 1128 | } finally { |
| 1129 | Binder.restoreCallingIdentity(ident); |
| 1130 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1131 | } |
| 1132 | |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 1133 | public void updateWifiLockWorkSource(IBinder lock, WorkSource ws) { |
| 1134 | int uid = Binder.getCallingUid(); |
| 1135 | int pid = Binder.getCallingPid(); |
| 1136 | if (ws != null && ws.size() == 0) { |
| 1137 | ws = null; |
| 1138 | } |
| 1139 | if (ws != null) { |
| 1140 | enforceWakeSourcePermission(uid, pid); |
| 1141 | } |
| 1142 | long ident = Binder.clearCallingIdentity(); |
| 1143 | try { |
| 1144 | synchronized (mLocks) { |
| 1145 | int index = mLocks.findLockByBinder(lock); |
| 1146 | if (index < 0) { |
| 1147 | throw new IllegalArgumentException("Wifi lock not active"); |
| 1148 | } |
| 1149 | WifiLock wl = mLocks.mList.get(index); |
| 1150 | noteReleaseWifiLock(wl); |
| 1151 | wl.mWorkSource = ws != null ? new WorkSource(ws) : new WorkSource(uid); |
| 1152 | noteAcquireWifiLock(wl); |
| 1153 | } |
| 1154 | } catch (RemoteException e) { |
| 1155 | } finally { |
| 1156 | Binder.restoreCallingIdentity(ident); |
| 1157 | } |
| 1158 | } |
| 1159 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1160 | public boolean releaseWifiLock(IBinder lock) { |
| 1161 | mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WAKE_LOCK, null); |
| 1162 | synchronized (mLocks) { |
| 1163 | return releaseWifiLockLocked(lock); |
| 1164 | } |
| 1165 | } |
| 1166 | |
| 1167 | private boolean releaseWifiLockLocked(IBinder lock) { |
Eric Shienbrood | d4c5f89 | 2009-03-24 18:13:20 -0700 | [diff] [blame] | 1168 | boolean hadLock; |
Robert Greenwalt | f1acb2d | 2009-10-13 08:20:55 -0700 | [diff] [blame] | 1169 | |
The Android Open Source Project | 1059253 | 2009-03-18 17:39:46 -0700 | [diff] [blame] | 1170 | WifiLock wifiLock = mLocks.removeLock(lock); |
Robert Greenwalt | f1acb2d | 2009-10-13 08:20:55 -0700 | [diff] [blame] | 1171 | |
Irfan Sheriff | c89dd54 | 2010-09-28 08:40:54 -0700 | [diff] [blame] | 1172 | if (DBG) Slog.d(TAG, "releaseWifiLockLocked: " + wifiLock); |
Robert Greenwalt | f1acb2d | 2009-10-13 08:20:55 -0700 | [diff] [blame] | 1173 | |
Eric Shienbrood | d4c5f89 | 2009-03-24 18:13:20 -0700 | [diff] [blame] | 1174 | hadLock = (wifiLock != null); |
| 1175 | |
Dianne Hackborn | ecfd7f7 | 2010-10-08 14:23:40 -0700 | [diff] [blame] | 1176 | long ident = Binder.clearCallingIdentity(); |
| 1177 | try { |
| 1178 | if (hadLock) { |
Wink Saville | ce0ea1f | 2011-10-13 16:55:20 -0700 | [diff] [blame] | 1179 | noteReleaseWifiLock(wifiLock); |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1180 | switch(wifiLock.mMode) { |
Eric Shienbrood | 5711fad | 2009-03-27 20:25:31 -0700 | [diff] [blame] | 1181 | case WifiManager.WIFI_MODE_FULL: |
| 1182 | ++mFullLocksReleased; |
Eric Shienbrood | 5711fad | 2009-03-27 20:25:31 -0700 | [diff] [blame] | 1183 | break; |
Irfan Sheriff | 5876a42 | 2010-08-12 20:26:23 -0700 | [diff] [blame] | 1184 | case WifiManager.WIFI_MODE_FULL_HIGH_PERF: |
| 1185 | ++mFullHighPerfLocksReleased; |
| 1186 | break; |
Eric Shienbrood | 5711fad | 2009-03-27 20:25:31 -0700 | [diff] [blame] | 1187 | case WifiManager.WIFI_MODE_SCAN_ONLY: |
| 1188 | ++mScanLocksReleased; |
Eric Shienbrood | 5711fad | 2009-03-27 20:25:31 -0700 | [diff] [blame] | 1189 | break; |
Eric Shienbrood | d4c5f89 | 2009-03-24 18:13:20 -0700 | [diff] [blame] | 1190 | } |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 1191 | mWifiController.sendMessage(CMD_LOCKS_CHANGED); |
The Android Open Source Project | 1059253 | 2009-03-18 17:39:46 -0700 | [diff] [blame] | 1192 | } |
Dianne Hackborn | ecfd7f7 | 2010-10-08 14:23:40 -0700 | [diff] [blame] | 1193 | } catch (RemoteException e) { |
| 1194 | } finally { |
| 1195 | Binder.restoreCallingIdentity(ident); |
The Android Open Source Project | 1059253 | 2009-03-18 17:39:46 -0700 | [diff] [blame] | 1196 | } |
Dianne Hackborn | ecfd7f7 | 2010-10-08 14:23:40 -0700 | [diff] [blame] | 1197 | |
Eric Shienbrood | d4c5f89 | 2009-03-24 18:13:20 -0700 | [diff] [blame] | 1198 | return hadLock; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1199 | } |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1200 | |
Robert Greenwalt | 58ff021 | 2009-05-19 15:53:54 -0700 | [diff] [blame] | 1201 | private abstract class DeathRecipient |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1202 | implements IBinder.DeathRecipient { |
| 1203 | String mTag; |
| 1204 | int mMode; |
| 1205 | IBinder mBinder; |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 1206 | WorkSource mWorkSource; |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1207 | |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 1208 | DeathRecipient(int mode, String tag, IBinder binder, WorkSource ws) { |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1209 | super(); |
| 1210 | mTag = tag; |
| 1211 | mMode = mode; |
| 1212 | mBinder = binder; |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 1213 | mWorkSource = ws; |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1214 | try { |
| 1215 | mBinder.linkToDeath(this, 0); |
| 1216 | } catch (RemoteException e) { |
| 1217 | binderDied(); |
| 1218 | } |
| 1219 | } |
Suchi Amalapurapu | fff2fda | 2009-06-30 21:36:16 -0700 | [diff] [blame] | 1220 | |
| 1221 | void unlinkDeathRecipient() { |
| 1222 | mBinder.unlinkToDeath(this, 0); |
| 1223 | } |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1224 | } |
| 1225 | |
Robert Greenwalt | 58ff021 | 2009-05-19 15:53:54 -0700 | [diff] [blame] | 1226 | private class Multicaster extends DeathRecipient { |
| 1227 | Multicaster(String tag, IBinder binder) { |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 1228 | super(Binder.getCallingUid(), tag, binder, null); |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1229 | } |
| 1230 | |
| 1231 | public void binderDied() { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1232 | Slog.e(TAG, "Multicaster binderDied"); |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1233 | synchronized (mMulticasters) { |
| 1234 | int i = mMulticasters.indexOf(this); |
| 1235 | if (i != -1) { |
| 1236 | removeMulticasterLocked(i, mMode); |
| 1237 | } |
| 1238 | } |
| 1239 | } |
| 1240 | |
| 1241 | public String toString() { |
Robert Greenwalt | 58ff021 | 2009-05-19 15:53:54 -0700 | [diff] [blame] | 1242 | return "Multicaster{" + mTag + " binder=" + mBinder + "}"; |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1243 | } |
| 1244 | |
| 1245 | public int getUid() { |
| 1246 | return mMode; |
| 1247 | } |
| 1248 | } |
| 1249 | |
Robert Greenwalt | e2d155a | 2009-10-21 14:58:34 -0700 | [diff] [blame] | 1250 | public void initializeMulticastFiltering() { |
| 1251 | enforceMulticastChangePermission(); |
Irfan Sheriff | a8fbe1f | 2010-03-09 09:13:58 -0800 | [diff] [blame] | 1252 | |
Robert Greenwalt | e2d155a | 2009-10-21 14:58:34 -0700 | [diff] [blame] | 1253 | synchronized (mMulticasters) { |
| 1254 | // if anybody had requested filters be off, leave off |
| 1255 | if (mMulticasters.size() != 0) { |
| 1256 | return; |
| 1257 | } else { |
Irfan Sheriff | b0c1b80f | 2011-07-19 15:44:25 -0700 | [diff] [blame] | 1258 | mWifiStateMachine.startFilteringMulticastV4Packets(); |
Robert Greenwalt | e2d155a | 2009-10-21 14:58:34 -0700 | [diff] [blame] | 1259 | } |
| 1260 | } |
| 1261 | } |
| 1262 | |
Robert Greenwalt | fc1b15c | 2009-05-22 15:09:51 -0700 | [diff] [blame] | 1263 | public void acquireMulticastLock(IBinder binder, String tag) { |
| 1264 | enforceMulticastChangePermission(); |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1265 | |
| 1266 | synchronized (mMulticasters) { |
| 1267 | mMulticastEnabled++; |
Robert Greenwalt | 58ff021 | 2009-05-19 15:53:54 -0700 | [diff] [blame] | 1268 | mMulticasters.add(new Multicaster(tag, binder)); |
Irfan Sheriff | b0c1b80f | 2011-07-19 15:44:25 -0700 | [diff] [blame] | 1269 | // Note that we could call stopFilteringMulticastV4Packets only when |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1270 | // our new size == 1 (first call), but this function won't |
| 1271 | // be called often and by making the stopPacket call each |
| 1272 | // time we're less fragile and self-healing. |
Irfan Sheriff | b0c1b80f | 2011-07-19 15:44:25 -0700 | [diff] [blame] | 1273 | mWifiStateMachine.stopFilteringMulticastV4Packets(); |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1274 | } |
| 1275 | |
| 1276 | int uid = Binder.getCallingUid(); |
You Kim | 2bea585 | 2012-10-23 22:56:51 +0900 | [diff] [blame] | 1277 | final long ident = Binder.clearCallingIdentity(); |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1278 | try { |
| 1279 | mBatteryStats.noteWifiMulticastEnabled(uid); |
| 1280 | } catch (RemoteException e) { |
| 1281 | } finally { |
| 1282 | Binder.restoreCallingIdentity(ident); |
| 1283 | } |
| 1284 | } |
| 1285 | |
Robert Greenwalt | fc1b15c | 2009-05-22 15:09:51 -0700 | [diff] [blame] | 1286 | public void releaseMulticastLock() { |
| 1287 | enforceMulticastChangePermission(); |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1288 | |
| 1289 | int uid = Binder.getCallingUid(); |
| 1290 | synchronized (mMulticasters) { |
| 1291 | mMulticastDisabled++; |
| 1292 | int size = mMulticasters.size(); |
| 1293 | for (int i = size - 1; i >= 0; i--) { |
Robert Greenwalt | 58ff021 | 2009-05-19 15:53:54 -0700 | [diff] [blame] | 1294 | Multicaster m = mMulticasters.get(i); |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1295 | if ((m != null) && (m.getUid() == uid)) { |
| 1296 | removeMulticasterLocked(i, uid); |
| 1297 | } |
| 1298 | } |
| 1299 | } |
| 1300 | } |
| 1301 | |
| 1302 | private void removeMulticasterLocked(int i, int uid) |
| 1303 | { |
Suchi Amalapurapu | fff2fda | 2009-06-30 21:36:16 -0700 | [diff] [blame] | 1304 | Multicaster removed = mMulticasters.remove(i); |
Irfan Sheriff | a8fbe1f | 2010-03-09 09:13:58 -0800 | [diff] [blame] | 1305 | |
Suchi Amalapurapu | fff2fda | 2009-06-30 21:36:16 -0700 | [diff] [blame] | 1306 | if (removed != null) { |
| 1307 | removed.unlinkDeathRecipient(); |
| 1308 | } |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1309 | if (mMulticasters.size() == 0) { |
Irfan Sheriff | b0c1b80f | 2011-07-19 15:44:25 -0700 | [diff] [blame] | 1310 | mWifiStateMachine.startFilteringMulticastV4Packets(); |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1311 | } |
| 1312 | |
You Kim | 2bea585 | 2012-10-23 22:56:51 +0900 | [diff] [blame] | 1313 | final long ident = Binder.clearCallingIdentity(); |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1314 | try { |
| 1315 | mBatteryStats.noteWifiMulticastDisabled(uid); |
| 1316 | } catch (RemoteException e) { |
| 1317 | } finally { |
| 1318 | Binder.restoreCallingIdentity(ident); |
| 1319 | } |
| 1320 | } |
| 1321 | |
Robert Greenwalt | 58ff021 | 2009-05-19 15:53:54 -0700 | [diff] [blame] | 1322 | public boolean isMulticastEnabled() { |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1323 | enforceAccessPermission(); |
| 1324 | |
| 1325 | synchronized (mMulticasters) { |
| 1326 | return (mMulticasters.size() > 0); |
| 1327 | } |
| 1328 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1329 | } |