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.DhcpInfo; |
Robert Greenwalt | 4717c26 | 2012-10-31 14:32:53 -0700 | [diff] [blame] | 29 | import android.net.DhcpResults; |
| 30 | import android.net.LinkAddress; |
Robert Greenwalt | 4717c26 | 2012-10-31 14:32:53 -0700 | [diff] [blame] | 31 | import android.net.NetworkUtils; |
| 32 | import android.net.RouteInfo; |
Robert Greenwalt | 0451d59 | 2013-08-01 18:24:13 -0700 | [diff] [blame] | 33 | import android.net.wifi.IWifiManager; |
| 34 | import android.net.wifi.ScanResult; |
| 35 | import android.net.wifi.BatchedScanResult; |
| 36 | import android.net.wifi.BatchedScanSettings; |
| 37 | import android.net.wifi.WifiConfiguration; |
Jason Monk | 1aeaf84 | 2013-10-21 12:43:53 -0400 | [diff] [blame] | 38 | import android.net.wifi.WifiConfiguration.ProxySettings; |
Robert Greenwalt | 0451d59 | 2013-08-01 18:24:13 -0700 | [diff] [blame] | 39 | import android.net.wifi.WifiInfo; |
| 40 | import android.net.wifi.WifiManager; |
| 41 | import android.net.wifi.WifiStateMachine; |
| 42 | import android.net.wifi.WifiWatchdogStateMachine; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 43 | import android.os.Binder; |
Irfan Sheriff | 0d25534 | 2010-07-28 09:35:20 -0700 | [diff] [blame] | 44 | import android.os.Handler; |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 45 | import android.os.Messenger; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 46 | import android.os.HandlerThread; |
| 47 | import android.os.IBinder; |
Irfan Sheriff | 5321aef | 2010-02-12 12:35:59 -0800 | [diff] [blame] | 48 | import android.os.INetworkManagementService; |
Irfan Sheriff | 0d25534 | 2010-07-28 09:35:20 -0700 | [diff] [blame] | 49 | import android.os.Message; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 50 | import android.os.RemoteException; |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 51 | import android.os.SystemProperties; |
Irfan Sheriff | 330b187 | 2012-09-16 12:27:57 -0700 | [diff] [blame] | 52 | import android.os.UserHandle; |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 53 | import android.os.WorkSource; |
Vinit Deshapnde | 64f0d5b | 2013-07-11 15:12:44 -0700 | [diff] [blame] | 54 | import android.os.AsyncTask; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 55 | import android.provider.Settings; |
Nick Pelly | 6ccaa54 | 2012-06-15 15:22:47 -0700 | [diff] [blame] | 56 | import android.util.Log; |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 57 | import android.util.Slog; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 58 | |
Vinit Deshapnde | 64f0d5b | 2013-07-11 15:12:44 -0700 | [diff] [blame] | 59 | import java.io.FileNotFoundException; |
| 60 | import java.io.BufferedReader; |
Irfan Sheriff | f0afe41 | 2012-11-30 14:07:44 -0800 | [diff] [blame] | 61 | import java.io.FileDescriptor; |
Vinit Deshapnde | 64f0d5b | 2013-07-11 15:12:44 -0700 | [diff] [blame] | 62 | import java.io.FileReader; |
| 63 | import java.io.IOException; |
Irfan Sheriff | f0afe41 | 2012-11-30 14:07:44 -0800 | [diff] [blame] | 64 | import java.io.PrintWriter; |
Vinit Deshapnde | 64f0d5b | 2013-07-11 15:12:44 -0700 | [diff] [blame] | 65 | |
Robert Greenwalt | 4717c26 | 2012-10-31 14:32:53 -0700 | [diff] [blame] | 66 | import java.net.InetAddress; |
| 67 | import java.net.Inet4Address; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 68 | import java.util.ArrayList; |
Robert Greenwalt | 0451d59 | 2013-08-01 18:24:13 -0700 | [diff] [blame] | 69 | import java.util.HashMap; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 70 | import java.util.List; |
Vinit Deshapnde | 64f0d5b | 2013-07-11 15:12:44 -0700 | [diff] [blame] | 71 | |
Irfan Sheriff | 07a2295 | 2013-03-27 13:27:39 -0700 | [diff] [blame] | 72 | import java.util.concurrent.atomic.AtomicBoolean; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 73 | |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 74 | import com.android.internal.R; |
The Android Open Source Project | 1059253 | 2009-03-18 17:39:46 -0700 | [diff] [blame] | 75 | import com.android.internal.app.IBatteryStats; |
Irfan Sheriff | 616f317 | 2011-09-11 19:59:01 -0700 | [diff] [blame] | 76 | import com.android.internal.telephony.TelephonyIntents; |
Wink Saville | 4b7ba09 | 2010-10-20 15:37:41 -0700 | [diff] [blame] | 77 | import com.android.internal.util.AsyncChannel; |
The Android Open Source Project | 1059253 | 2009-03-18 17:39:46 -0700 | [diff] [blame] | 78 | import com.android.server.am.BatteryStatsService; |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 79 | import static com.android.server.wifi.WifiController.CMD_AIRPLANE_TOGGLED; |
| 80 | import static com.android.server.wifi.WifiController.CMD_BATTERY_CHANGED; |
| 81 | import static com.android.server.wifi.WifiController.CMD_EMERGENCY_MODE_CHANGED; |
| 82 | import static com.android.server.wifi.WifiController.CMD_LOCKS_CHANGED; |
| 83 | import static com.android.server.wifi.WifiController.CMD_SCAN_ALWAYS_MODE_CHANGED; |
| 84 | import static com.android.server.wifi.WifiController.CMD_SCREEN_OFF; |
| 85 | import static com.android.server.wifi.WifiController.CMD_SCREEN_ON; |
| 86 | import static com.android.server.wifi.WifiController.CMD_SET_AP; |
Vinit Deshapnde | a3038b2 | 2013-10-02 17:26:05 -0700 | [diff] [blame] | 87 | import static com.android.server.wifi.WifiController.CMD_USER_PRESENT; |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 88 | 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] | 89 | /** |
| 90 | * WifiService handles remote WiFi operation requests by implementing |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 91 | * the IWifiManager interface. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 92 | * |
| 93 | * @hide |
| 94 | */ |
Irfan Sheriff | b8c0e00 | 2013-02-20 14:19:54 -0800 | [diff] [blame] | 95 | public final class WifiService extends IWifiManager.Stub { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 96 | private static final String TAG = "WifiService"; |
Dianne Hackborn | 5fd2169 | 2011-06-07 14:09:47 -0700 | [diff] [blame] | 97 | private static final boolean DBG = false; |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 98 | |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 99 | final WifiStateMachine mWifiStateMachine; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 100 | |
Irfan Sheriff | b8c0e00 | 2013-02-20 14:19:54 -0800 | [diff] [blame] | 101 | private final Context mContext; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 102 | |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 103 | final LockList mLocks = new LockList(); |
Eric Shienbrood | 5711fad | 2009-03-27 20:25:31 -0700 | [diff] [blame] | 104 | // some wifi lock statistics |
Irfan Sheriff | 5876a42 | 2010-08-12 20:26:23 -0700 | [diff] [blame] | 105 | private int mFullHighPerfLocksAcquired; |
| 106 | private int mFullHighPerfLocksReleased; |
Eric Shienbrood | 5711fad | 2009-03-27 20:25:31 -0700 | [diff] [blame] | 107 | private int mFullLocksAcquired; |
| 108 | private int mFullLocksReleased; |
| 109 | private int mScanLocksAcquired; |
| 110 | private int mScanLocksReleased; |
The Android Open Source Project | 1059253 | 2009-03-18 17:39:46 -0700 | [diff] [blame] | 111 | |
Robert Greenwalt | 58ff021 | 2009-05-19 15:53:54 -0700 | [diff] [blame] | 112 | private final List<Multicaster> mMulticasters = |
| 113 | new ArrayList<Multicaster>(); |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 114 | private int mMulticastEnabled; |
| 115 | private int mMulticastDisabled; |
| 116 | |
The Android Open Source Project | 1059253 | 2009-03-18 17:39:46 -0700 | [diff] [blame] | 117 | private final IBatteryStats mBatteryStats; |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 118 | private final AppOpsManager mAppOps; |
Jaikumar Ganesh | 084c665 | 2009-12-07 10:58:18 -0800 | [diff] [blame] | 119 | |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 120 | private String mInterfaceName; |
| 121 | |
Irfan Sheriff | b8c0e00 | 2013-02-20 14:19:54 -0800 | [diff] [blame] | 122 | /* Tracks the open wi-fi network notification */ |
| 123 | private WifiNotificationController mNotificationController; |
| 124 | /* Polls traffic stats and notifies clients */ |
| 125 | private WifiTrafficPoller mTrafficPoller; |
| 126 | /* Tracks the persisted states for wi-fi & airplane mode */ |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 127 | final WifiSettingsStore mSettingsStore; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 128 | |
Robert Greenwalt | 0451d59 | 2013-08-01 18:24:13 -0700 | [diff] [blame] | 129 | final boolean mBatchedScanSupported; |
| 130 | |
Dianne Hackborn | 03f3cb0 | 2010-09-17 23:12:26 -0700 | [diff] [blame] | 131 | /** |
Wink Saville | 4b7ba09 | 2010-10-20 15:37:41 -0700 | [diff] [blame] | 132 | * Asynchronous channel to WifiStateMachine |
| 133 | */ |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 134 | private AsyncChannel mWifiStateMachineChannel; |
Wink Saville | 4b7ba09 | 2010-10-20 15:37:41 -0700 | [diff] [blame] | 135 | |
| 136 | /** |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 137 | * Handles client connections |
| 138 | */ |
Irfan Sheriff | b8c0e00 | 2013-02-20 14:19:54 -0800 | [diff] [blame] | 139 | private class ClientHandler extends Handler { |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 140 | |
Irfan Sheriff | b8c0e00 | 2013-02-20 14:19:54 -0800 | [diff] [blame] | 141 | ClientHandler(android.os.Looper looper) { |
Wink Saville | 4b7ba09 | 2010-10-20 15:37:41 -0700 | [diff] [blame] | 142 | super(looper); |
Wink Saville | 4b7ba09 | 2010-10-20 15:37:41 -0700 | [diff] [blame] | 143 | } |
| 144 | |
| 145 | @Override |
| 146 | public void handleMessage(Message msg) { |
| 147 | switch (msg.what) { |
| 148 | case AsyncChannel.CMD_CHANNEL_HALF_CONNECTED: { |
| 149 | if (msg.arg1 == AsyncChannel.STATUS_SUCCESSFUL) { |
Irfan Sheriff | 6bfc888 | 2012-08-29 15:35:57 -0700 | [diff] [blame] | 150 | if (DBG) Slog.d(TAG, "New client listening to asynchronous messages"); |
Irfan Sheriff | 302b06d | 2013-02-22 12:35:31 -0800 | [diff] [blame] | 151 | // We track the clients by the Messenger |
| 152 | // since it is expected to be always available |
Irfan Sheriff | c808a19 | 2013-03-05 09:46:36 -0800 | [diff] [blame] | 153 | mTrafficPoller.addClient(msg.replyTo); |
Wink Saville | 4b7ba09 | 2010-10-20 15:37:41 -0700 | [diff] [blame] | 154 | } else { |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 155 | Slog.e(TAG, "Client connection failure, error=" + msg.arg1); |
| 156 | } |
| 157 | break; |
| 158 | } |
Irfan Sheriff | c23971b | 2011-03-04 17:06:31 -0800 | [diff] [blame] | 159 | case AsyncChannel.CMD_CHANNEL_DISCONNECTED: { |
| 160 | if (msg.arg1 == AsyncChannel.STATUS_SEND_UNSUCCESSFUL) { |
Irfan Sheriff | 6bfc888 | 2012-08-29 15:35:57 -0700 | [diff] [blame] | 161 | if (DBG) Slog.d(TAG, "Send failed, client connection lost"); |
Irfan Sheriff | c23971b | 2011-03-04 17:06:31 -0800 | [diff] [blame] | 162 | } else { |
Irfan Sheriff | 6bfc888 | 2012-08-29 15:35:57 -0700 | [diff] [blame] | 163 | if (DBG) Slog.d(TAG, "Client connection lost with reason: " + msg.arg1); |
Irfan Sheriff | c23971b | 2011-03-04 17:06:31 -0800 | [diff] [blame] | 164 | } |
Irfan Sheriff | c808a19 | 2013-03-05 09:46:36 -0800 | [diff] [blame] | 165 | mTrafficPoller.removeClient(msg.replyTo); |
Irfan Sheriff | c23971b | 2011-03-04 17:06:31 -0800 | [diff] [blame] | 166 | break; |
| 167 | } |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 168 | case AsyncChannel.CMD_CHANNEL_FULL_CONNECTION: { |
| 169 | AsyncChannel ac = new AsyncChannel(); |
| 170 | ac.connect(mContext, this, msg.replyTo); |
| 171 | break; |
| 172 | } |
Irfan Sheriff | b8c0e00 | 2013-02-20 14:19:54 -0800 | [diff] [blame] | 173 | /* Client commands are forwarded to state machine */ |
| 174 | case WifiManager.CONNECT_NETWORK: |
Vinit Deshapnde | 10652a9 | 2013-09-09 16:24:36 -0700 | [diff] [blame] | 175 | case WifiManager.SAVE_NETWORK: { |
| 176 | WifiConfiguration config = (WifiConfiguration) msg.obj; |
Vinit Deshapnde | ffec332 | 2013-09-16 12:41:12 -0700 | [diff] [blame] | 177 | int networkId = msg.arg1; |
| 178 | if (config != null && config.isValid()) { |
Jason Monk | 1aeaf84 | 2013-10-21 12:43:53 -0400 | [diff] [blame] | 179 | // This is restricted because there is no UI for the user to |
| 180 | // monitor/control PAC. |
| 181 | if (config.proxySettings != ProxySettings.PAC) { |
| 182 | if (DBG) Slog.d(TAG, "Connect with config" + config); |
| 183 | mWifiStateMachine.sendMessage(Message.obtain(msg)); |
| 184 | } else { |
| 185 | Slog.e(TAG, "ClientHandler.handleMessage cannot process msg with PAC"); |
| 186 | if (msg.what == WifiManager.CONNECT_NETWORK) { |
| 187 | replyFailed(msg, WifiManager.CONNECT_NETWORK_FAILED); |
| 188 | } else { |
| 189 | replyFailed(msg, WifiManager.SAVE_NETWORK_FAILED); |
| 190 | } |
| 191 | } |
Vinit Deshapnde | ffec332 | 2013-09-16 12:41:12 -0700 | [diff] [blame] | 192 | } else if (config == null |
| 193 | && networkId != WifiConfiguration.INVALID_NETWORK_ID) { |
| 194 | if (DBG) Slog.d(TAG, "Connect with networkId" + networkId); |
Vinit Deshapnde | 10652a9 | 2013-09-09 16:24:36 -0700 | [diff] [blame] | 195 | mWifiStateMachine.sendMessage(Message.obtain(msg)); |
| 196 | } else { |
Vinit Deshapnde | ffec332 | 2013-09-16 12:41:12 -0700 | [diff] [blame] | 197 | Slog.e(TAG, "ClientHandler.handleMessage ignoring invalid msg=" + msg); |
Vinit Deshapnde | 10652a9 | 2013-09-09 16:24:36 -0700 | [diff] [blame] | 198 | if (msg.what == WifiManager.CONNECT_NETWORK) { |
| 199 | replyFailed(msg, WifiManager.CONNECT_NETWORK_FAILED); |
| 200 | } else { |
| 201 | replyFailed(msg, WifiManager.SAVE_NETWORK_FAILED); |
| 202 | } |
| 203 | } |
| 204 | break; |
| 205 | } |
Irfan Sheriff | b8c0e00 | 2013-02-20 14:19:54 -0800 | [diff] [blame] | 206 | case WifiManager.FORGET_NETWORK: |
| 207 | case WifiManager.START_WPS: |
| 208 | case WifiManager.CANCEL_WPS: |
| 209 | case WifiManager.DISABLE_NETWORK: |
Yuhao Zheng | f630782 | 2012-08-14 14:21:25 -0700 | [diff] [blame] | 210 | case WifiManager.RSSI_PKTCNT_FETCH: { |
| 211 | mWifiStateMachine.sendMessage(Message.obtain(msg)); |
| 212 | break; |
| 213 | } |
Wink Saville | 4b7ba09 | 2010-10-20 15:37:41 -0700 | [diff] [blame] | 214 | default: { |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 215 | Slog.d(TAG, "ClientHandler.handleMessage ignoring msg=" + msg); |
Wink Saville | 4b7ba09 | 2010-10-20 15:37:41 -0700 | [diff] [blame] | 216 | break; |
| 217 | } |
| 218 | } |
| 219 | } |
Vinit Deshapnde | 10652a9 | 2013-09-09 16:24:36 -0700 | [diff] [blame] | 220 | |
| 221 | private void replyFailed(Message msg, int what) { |
| 222 | Message reply = msg.obtain(); |
| 223 | reply.what = what; |
| 224 | reply.arg1 = WifiManager.INVALID_ARGS; |
| 225 | try { |
| 226 | msg.replyTo.send(reply); |
| 227 | } catch (RemoteException e) { |
| 228 | // There's not much we can do if reply can't be sent! |
| 229 | } |
| 230 | } |
Wink Saville | 4b7ba09 | 2010-10-20 15:37:41 -0700 | [diff] [blame] | 231 | } |
Irfan Sheriff | b8c0e00 | 2013-02-20 14:19:54 -0800 | [diff] [blame] | 232 | private ClientHandler mClientHandler; |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 233 | |
| 234 | /** |
| 235 | * Handles interaction with WifiStateMachine |
| 236 | */ |
| 237 | private class WifiStateMachineHandler extends Handler { |
| 238 | private AsyncChannel mWsmChannel; |
| 239 | |
| 240 | WifiStateMachineHandler(android.os.Looper looper) { |
| 241 | super(looper); |
| 242 | mWsmChannel = new AsyncChannel(); |
| 243 | mWsmChannel.connect(mContext, this, mWifiStateMachine.getHandler()); |
| 244 | } |
| 245 | |
| 246 | @Override |
| 247 | public void handleMessage(Message msg) { |
| 248 | switch (msg.what) { |
| 249 | case AsyncChannel.CMD_CHANNEL_HALF_CONNECTED: { |
| 250 | if (msg.arg1 == AsyncChannel.STATUS_SUCCESSFUL) { |
| 251 | mWifiStateMachineChannel = mWsmChannel; |
| 252 | } else { |
| 253 | Slog.e(TAG, "WifiStateMachine connection failure, error=" + msg.arg1); |
| 254 | mWifiStateMachineChannel = null; |
| 255 | } |
| 256 | break; |
| 257 | } |
Irfan Sheriff | 6da83d5 | 2011-06-06 12:54:06 -0700 | [diff] [blame] | 258 | case AsyncChannel.CMD_CHANNEL_DISCONNECTED: { |
| 259 | Slog.e(TAG, "WifiStateMachine channel lost, msg.arg1 =" + msg.arg1); |
| 260 | mWifiStateMachineChannel = null; |
| 261 | //Re-establish connection to state machine |
| 262 | mWsmChannel.connect(mContext, this, mWifiStateMachine.getHandler()); |
| 263 | break; |
| 264 | } |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 265 | default: { |
| 266 | Slog.d(TAG, "WifiStateMachineHandler.handleMessage ignoring msg=" + msg); |
| 267 | break; |
| 268 | } |
| 269 | } |
| 270 | } |
| 271 | } |
| 272 | WifiStateMachineHandler mWifiStateMachineHandler; |
Wink Saville | 4b7ba09 | 2010-10-20 15:37:41 -0700 | [diff] [blame] | 273 | |
Isaac Levy | 654f509 | 2011-07-13 17:41:45 -0700 | [diff] [blame] | 274 | private WifiWatchdogStateMachine mWifiWatchdogStateMachine; |
Irfan Sheriff | 0d25534 | 2010-07-28 09:35:20 -0700 | [diff] [blame] | 275 | |
Irfan Sheriff | b8c0e00 | 2013-02-20 14:19:54 -0800 | [diff] [blame] | 276 | public WifiService(Context context) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 277 | mContext = context; |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 278 | |
| 279 | mInterfaceName = SystemProperties.get("wifi.interface", "wlan0"); |
| 280 | |
| 281 | mWifiStateMachine = new WifiStateMachine(mContext, mInterfaceName); |
Irfan Sheriff | 0d25534 | 2010-07-28 09:35:20 -0700 | [diff] [blame] | 282 | mWifiStateMachine.enableRssiPolling(true); |
The Android Open Source Project | 1059253 | 2009-03-18 17:39:46 -0700 | [diff] [blame] | 283 | mBatteryStats = BatteryStatsService.getService(); |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 284 | mAppOps = (AppOpsManager)context.getSystemService(Context.APP_OPS_SERVICE); |
Jaikumar Ganesh | 084c665 | 2009-12-07 10:58:18 -0800 | [diff] [blame] | 285 | |
Irfan Sheriff | b8c0e00 | 2013-02-20 14:19:54 -0800 | [diff] [blame] | 286 | mNotificationController = new WifiNotificationController(mContext, mWifiStateMachine); |
Irfan Sheriff | c808a19 | 2013-03-05 09:46:36 -0800 | [diff] [blame] | 287 | mTrafficPoller = new WifiTrafficPoller(mContext, mInterfaceName); |
Irfan Sheriff | b8c0e00 | 2013-02-20 14:19:54 -0800 | [diff] [blame] | 288 | mSettingsStore = new WifiSettingsStore(mContext); |
| 289 | |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 290 | HandlerThread wifiThread = new HandlerThread("WifiService"); |
| 291 | wifiThread.start(); |
| 292 | mClientHandler = new ClientHandler(wifiThread.getLooper()); |
| 293 | mWifiStateMachineHandler = new WifiStateMachineHandler(wifiThread.getLooper()); |
| 294 | mWifiController = new WifiController(mContext, this, wifiThread.getLooper()); |
| 295 | mWifiController.start(); |
| 296 | |
Robert Greenwalt | 0451d59 | 2013-08-01 18:24:13 -0700 | [diff] [blame] | 297 | mBatchedScanSupported = mContext.getResources().getBoolean( |
| 298 | R.bool.config_wifi_batched_scan_supported); |
| 299 | |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 300 | registerForScanModeChange(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 301 | mContext.registerReceiver( |
| 302 | new BroadcastReceiver() { |
| 303 | @Override |
| 304 | public void onReceive(Context context, Intent intent) { |
Irfan Sheriff | 8a64b1a | 2013-02-20 15:12:41 -0800 | [diff] [blame] | 305 | if (mSettingsStore.handleAirplaneModeToggled()) { |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 306 | mWifiController.sendMessage(CMD_AIRPLANE_TOGGLED); |
Irfan Sheriff | 8a64b1a | 2013-02-20 15:12:41 -0800 | [diff] [blame] | 307 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 308 | } |
| 309 | }, |
| 310 | new IntentFilter(Intent.ACTION_AIRPLANE_MODE_CHANGED)); |
| 311 | |
Irfan Sheriff | e68d858 | 2013-04-23 13:43:43 -0700 | [diff] [blame] | 312 | // Adding optimizations of only receiving broadcasts when wifi is enabled |
| 313 | // can result in race conditions when apps toggle wifi in the background |
| 314 | // without active user involvement. Always receive broadcasts. |
| 315 | registerForBroadcasts(); |
Irfan Sheriff | 7b00978 | 2010-03-11 16:37:45 -0800 | [diff] [blame] | 316 | } |
Irfan Sheriff | 5321aef | 2010-02-12 12:35:59 -0800 | [diff] [blame] | 317 | |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 318 | private WifiController mWifiController; |
| 319 | |
Irfan Sheriff | 7b00978 | 2010-03-11 16:37:45 -0800 | [diff] [blame] | 320 | /** |
| 321 | * Check if Wi-Fi needs to be enabled and start |
| 322 | * if needed |
Irfan Sheriff | 60e3ba0 | 2010-04-02 12:18:45 -0700 | [diff] [blame] | 323 | * |
| 324 | * This function is used only at boot time |
Irfan Sheriff | 7b00978 | 2010-03-11 16:37:45 -0800 | [diff] [blame] | 325 | */ |
Irfan Sheriff | 0d25534 | 2010-07-28 09:35:20 -0700 | [diff] [blame] | 326 | public void checkAndStartWifi() { |
Irfan Sheriff | b8c0e00 | 2013-02-20 14:19:54 -0800 | [diff] [blame] | 327 | /* Check if wi-fi needs to be enabled */ |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 328 | boolean wifiEnabled = mSettingsStore.isWifiToggleEnabled(); |
Irfan Sheriff | 7b00978 | 2010-03-11 16:37:45 -0800 | [diff] [blame] | 329 | Slog.i(TAG, "WifiService starting up with Wi-Fi " + |
| 330 | (wifiEnabled ? "enabled" : "disabled")); |
Irfan Sheriff | f03d620 | 2012-05-17 12:33:46 -0700 | [diff] [blame] | 331 | |
| 332 | // If we are already disabled (could be due to airplane mode), avoid changing persist |
| 333 | // state here |
| 334 | if (wifiEnabled) setWifiEnabled(wifiEnabled); |
Isaac Levy | bc7dfb5 | 2011-06-06 15:34:01 -0700 | [diff] [blame] | 335 | |
Isaac Levy | 654f509 | 2011-07-13 17:41:45 -0700 | [diff] [blame] | 336 | mWifiWatchdogStateMachine = WifiWatchdogStateMachine. |
| 337 | makeWifiWatchdogStateMachine(mContext); |
| 338 | |
Irfan Sheriff | 5321aef | 2010-02-12 12:35:59 -0800 | [diff] [blame] | 339 | } |
| 340 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 341 | /** |
| 342 | * see {@link android.net.wifi.WifiManager#pingSupplicant()} |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 343 | * @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] | 344 | */ |
| 345 | public boolean pingSupplicant() { |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 346 | enforceAccessPermission(); |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 347 | if (mWifiStateMachineChannel != null) { |
| 348 | return mWifiStateMachine.syncPingSupplicant(mWifiStateMachineChannel); |
Irfan Sheriff | 1406bcb | 2010-10-28 14:41:39 -0700 | [diff] [blame] | 349 | } else { |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 350 | Slog.e(TAG, "mWifiStateMachineChannel is not initialized"); |
Irfan Sheriff | 1406bcb | 2010-10-28 14:41:39 -0700 | [diff] [blame] | 351 | return false; |
| 352 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 353 | } |
| 354 | |
| 355 | /** |
| 356 | * see {@link android.net.wifi.WifiManager#startScan()} |
David Christie | 6942a12 | 2013-07-25 15:25:07 -0700 | [diff] [blame] | 357 | * |
| 358 | * <p>If workSource is null, all blame is given to the calling uid. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 359 | */ |
David Christie | 6942a12 | 2013-07-25 15:25:07 -0700 | [diff] [blame] | 360 | public void startScan(WorkSource workSource) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 361 | enforceChangePermission(); |
David Christie | 6942a12 | 2013-07-25 15:25:07 -0700 | [diff] [blame] | 362 | if (workSource != null) { |
| 363 | enforceWorkSourcePermission(); |
David Christie | 6ab2284 | 2013-09-13 17:11:53 -0700 | [diff] [blame] | 364 | // WifiManager currently doesn't use names, so need to clear names out of the |
| 365 | // supplied WorkSource to allow future WorkSource combining. |
| 366 | workSource.clearNames(); |
David Christie | 6942a12 | 2013-07-25 15:25:07 -0700 | [diff] [blame] | 367 | } |
| 368 | mWifiStateMachine.startScan(Binder.getCallingUid(), workSource); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 369 | } |
| 370 | |
Robert Greenwalt | 0451d59 | 2013-08-01 18:24:13 -0700 | [diff] [blame] | 371 | private class BatchedScanRequest extends DeathRecipient { |
Robert Greenwalt | a029ea1 | 2013-09-25 16:38:12 -0700 | [diff] [blame] | 372 | final BatchedScanSettings settings; |
| 373 | final int uid; |
| 374 | final int pid; |
| 375 | final WorkSource workSource; |
Robert Greenwalt | 0451d59 | 2013-08-01 18:24:13 -0700 | [diff] [blame] | 376 | |
Robert Greenwalt | a029ea1 | 2013-09-25 16:38:12 -0700 | [diff] [blame] | 377 | BatchedScanRequest(BatchedScanSettings settings, IBinder binder, WorkSource ws) { |
Robert Greenwalt | 0451d59 | 2013-08-01 18:24:13 -0700 | [diff] [blame] | 378 | super(0, null, binder, null); |
| 379 | this.settings = settings; |
Robert Greenwalt | 126755c | 2013-09-05 18:32:12 -0700 | [diff] [blame] | 380 | this.uid = getCallingUid(); |
| 381 | this.pid = getCallingPid(); |
Robert Greenwalt | a029ea1 | 2013-09-25 16:38:12 -0700 | [diff] [blame] | 382 | workSource = ws; |
Robert Greenwalt | 0451d59 | 2013-08-01 18:24:13 -0700 | [diff] [blame] | 383 | } |
| 384 | public void binderDied() { |
Robert Greenwalt | 82f4218 | 2013-09-19 17:27:43 -0700 | [diff] [blame] | 385 | stopBatchedScan(settings, uid, pid); |
Robert Greenwalt | 0451d59 | 2013-08-01 18:24:13 -0700 | [diff] [blame] | 386 | } |
| 387 | public String toString() { |
| 388 | return "BatchedScanRequest{settings=" + settings + ", binder=" + mBinder + "}"; |
| 389 | } |
Robert Greenwalt | 126755c | 2013-09-05 18:32:12 -0700 | [diff] [blame] | 390 | |
Robert Greenwalt | 82f4218 | 2013-09-19 17:27:43 -0700 | [diff] [blame] | 391 | public boolean isSameApp(int uid, int pid) { |
| 392 | return (this.uid == uid && this.pid == pid); |
Robert Greenwalt | 126755c | 2013-09-05 18:32:12 -0700 | [diff] [blame] | 393 | } |
Robert Greenwalt | 0451d59 | 2013-08-01 18:24:13 -0700 | [diff] [blame] | 394 | } |
| 395 | |
| 396 | private final List<BatchedScanRequest> mBatchedScanners = new ArrayList<BatchedScanRequest>(); |
| 397 | |
| 398 | public boolean isBatchedScanSupported() { |
| 399 | return mBatchedScanSupported; |
| 400 | } |
| 401 | |
Robert Greenwalt | 8e628da | 2013-08-14 16:07:44 -0700 | [diff] [blame] | 402 | public void pollBatchedScan() { |
| 403 | enforceChangePermission(); |
| 404 | if (mBatchedScanSupported == false) return; |
| 405 | mWifiStateMachine.requestBatchedScanPoll(); |
| 406 | } |
| 407 | |
Robert Greenwalt | 0451d59 | 2013-08-01 18:24:13 -0700 | [diff] [blame] | 408 | /** |
| 409 | * see {@link android.net.wifi.WifiManager#requestBatchedScan()} |
| 410 | */ |
Robert Greenwalt | a029ea1 | 2013-09-25 16:38:12 -0700 | [diff] [blame] | 411 | public boolean requestBatchedScan(BatchedScanSettings requested, IBinder binder, |
| 412 | WorkSource workSource) { |
Robert Greenwalt | 0451d59 | 2013-08-01 18:24:13 -0700 | [diff] [blame] | 413 | enforceChangePermission(); |
Robert Greenwalt | a029ea1 | 2013-09-25 16:38:12 -0700 | [diff] [blame] | 414 | if (workSource != null) { |
| 415 | enforceWorkSourcePermission(); |
| 416 | // WifiManager currently doesn't use names, so need to clear names out of the |
| 417 | // supplied WorkSource to allow future WorkSource combining. |
| 418 | workSource.clearNames(); |
| 419 | } |
Robert Greenwalt | 0451d59 | 2013-08-01 18:24:13 -0700 | [diff] [blame] | 420 | if (mBatchedScanSupported == false) return false; |
| 421 | requested = new BatchedScanSettings(requested); |
| 422 | if (requested.isInvalid()) return false; |
Robert Greenwalt | a029ea1 | 2013-09-25 16:38:12 -0700 | [diff] [blame] | 423 | BatchedScanRequest r = new BatchedScanRequest(requested, binder, workSource); |
Robert Greenwalt | 0451d59 | 2013-08-01 18:24:13 -0700 | [diff] [blame] | 424 | synchronized(mBatchedScanners) { |
| 425 | mBatchedScanners.add(r); |
| 426 | resolveBatchedScannersLocked(); |
| 427 | } |
| 428 | return true; |
| 429 | } |
| 430 | |
| 431 | public List<BatchedScanResult> getBatchedScanResults(String callingPackage) { |
| 432 | enforceAccessPermission(); |
| 433 | if (mBatchedScanSupported == false) return new ArrayList<BatchedScanResult>(); |
| 434 | int userId = UserHandle.getCallingUserId(); |
| 435 | int uid = Binder.getCallingUid(); |
| 436 | long ident = Binder.clearCallingIdentity(); |
| 437 | try { |
| 438 | if (mAppOps.noteOp(AppOpsManager.OP_WIFI_SCAN, uid, callingPackage) |
| 439 | != AppOpsManager.MODE_ALLOWED) { |
| 440 | return new ArrayList<BatchedScanResult>(); |
| 441 | } |
| 442 | int currentUser = ActivityManager.getCurrentUser(); |
| 443 | if (userId != currentUser) { |
| 444 | return new ArrayList<BatchedScanResult>(); |
| 445 | } else { |
| 446 | return mWifiStateMachine.syncGetBatchedScanResultsList(); |
| 447 | } |
| 448 | } finally { |
| 449 | Binder.restoreCallingIdentity(ident); |
| 450 | } |
| 451 | } |
| 452 | |
| 453 | |
Robert Greenwalt | 82f4218 | 2013-09-19 17:27:43 -0700 | [diff] [blame] | 454 | public void stopBatchedScan(BatchedScanSettings settings) { |
Robert Greenwalt | 0451d59 | 2013-08-01 18:24:13 -0700 | [diff] [blame] | 455 | enforceChangePermission(); |
| 456 | if (mBatchedScanSupported == false) return; |
Robert Greenwalt | 82f4218 | 2013-09-19 17:27:43 -0700 | [diff] [blame] | 457 | stopBatchedScan(settings, getCallingUid(), getCallingPid()); |
| 458 | } |
| 459 | |
| 460 | private void stopBatchedScan(BatchedScanSettings settings, int uid, int pid) { |
Robert Greenwalt | 126755c | 2013-09-05 18:32:12 -0700 | [diff] [blame] | 461 | ArrayList<BatchedScanRequest> found = new ArrayList<BatchedScanRequest>(); |
Robert Greenwalt | 0451d59 | 2013-08-01 18:24:13 -0700 | [diff] [blame] | 462 | synchronized(mBatchedScanners) { |
Robert Greenwalt | 0451d59 | 2013-08-01 18:24:13 -0700 | [diff] [blame] | 463 | for (BatchedScanRequest r : mBatchedScanners) { |
Robert Greenwalt | 82f4218 | 2013-09-19 17:27:43 -0700 | [diff] [blame] | 464 | if (r.isSameApp(uid, pid) && (settings == null || settings.equals(r.settings))) { |
Robert Greenwalt | 126755c | 2013-09-05 18:32:12 -0700 | [diff] [blame] | 465 | found.add(r); |
| 466 | if (settings != null) break; |
Robert Greenwalt | 0451d59 | 2013-08-01 18:24:13 -0700 | [diff] [blame] | 467 | } |
| 468 | } |
Robert Greenwalt | 126755c | 2013-09-05 18:32:12 -0700 | [diff] [blame] | 469 | for (BatchedScanRequest r : found) { |
| 470 | mBatchedScanners.remove(r); |
| 471 | } |
| 472 | if (found.size() != 0) { |
Robert Greenwalt | 0451d59 | 2013-08-01 18:24:13 -0700 | [diff] [blame] | 473 | resolveBatchedScannersLocked(); |
| 474 | } |
| 475 | } |
| 476 | } |
| 477 | |
| 478 | private void resolveBatchedScannersLocked() { |
| 479 | BatchedScanSettings setting = new BatchedScanSettings(); |
Robert Greenwalt | a029ea1 | 2013-09-25 16:38:12 -0700 | [diff] [blame] | 480 | WorkSource responsibleWorkSource = null; |
Robert Greenwalt | 0451d59 | 2013-08-01 18:24:13 -0700 | [diff] [blame] | 481 | int responsibleUid = 0; |
Robert Greenwalt | a029ea1 | 2013-09-25 16:38:12 -0700 | [diff] [blame] | 482 | double responsibleCsph = 0; // Channel Scans Per Hour |
Robert Greenwalt | 0451d59 | 2013-08-01 18:24:13 -0700 | [diff] [blame] | 483 | |
| 484 | if (mBatchedScanners.size() == 0) { |
Robert Greenwalt | a029ea1 | 2013-09-25 16:38:12 -0700 | [diff] [blame] | 485 | mWifiStateMachine.setBatchedScanSettings(null, 0, 0, null); |
Robert Greenwalt | 0451d59 | 2013-08-01 18:24:13 -0700 | [diff] [blame] | 486 | return; |
| 487 | } |
Robert Greenwalt | 0451d59 | 2013-08-01 18:24:13 -0700 | [diff] [blame] | 488 | for (BatchedScanRequest r : mBatchedScanners) { |
| 489 | BatchedScanSettings s = r.settings; |
Robert Greenwalt | a029ea1 | 2013-09-25 16:38:12 -0700 | [diff] [blame] | 490 | |
| 491 | // evaluate responsibility |
| 492 | int currentChannelCount; |
| 493 | int currentScanInterval; |
| 494 | double currentCsph; |
| 495 | |
| 496 | if (s.channelSet == null || s.channelSet.isEmpty()) { |
| 497 | // all channels - 11 B and 9 A channels roughly. |
| 498 | currentChannelCount = 9 + 11; |
| 499 | } else { |
| 500 | currentChannelCount = s.channelSet.size(); |
| 501 | // these are rough est - no real need to correct for reg-domain; |
| 502 | if (s.channelSet.contains("A")) currentChannelCount += (9 - 1); |
| 503 | if (s.channelSet.contains("B")) currentChannelCount += (11 - 1); |
| 504 | |
| 505 | } |
| 506 | if (s.scanIntervalSec == BatchedScanSettings.UNSPECIFIED) { |
| 507 | currentScanInterval = BatchedScanSettings.DEFAULT_INTERVAL_SEC; |
| 508 | } else { |
| 509 | currentScanInterval = s.scanIntervalSec; |
| 510 | } |
| 511 | currentCsph = 60 * 60 * currentChannelCount / currentScanInterval; |
| 512 | |
| 513 | if (currentCsph > responsibleCsph) { |
| 514 | responsibleUid = r.uid; |
| 515 | responsibleWorkSource = r.workSource; |
| 516 | responsibleCsph = currentCsph; |
| 517 | } |
| 518 | |
Robert Greenwalt | 0451d59 | 2013-08-01 18:24:13 -0700 | [diff] [blame] | 519 | if (s.maxScansPerBatch != BatchedScanSettings.UNSPECIFIED && |
| 520 | s.maxScansPerBatch < setting.maxScansPerBatch) { |
| 521 | setting.maxScansPerBatch = s.maxScansPerBatch; |
Robert Greenwalt | 0451d59 | 2013-08-01 18:24:13 -0700 | [diff] [blame] | 522 | } |
| 523 | if (s.maxApPerScan != BatchedScanSettings.UNSPECIFIED && |
Robert Greenwalt | 82f4218 | 2013-09-19 17:27:43 -0700 | [diff] [blame] | 524 | (setting.maxApPerScan == BatchedScanSettings.UNSPECIFIED || |
Robert Greenwalt | 13820af | 2013-09-20 15:13:08 -0700 | [diff] [blame] | 525 | s.maxApPerScan > setting.maxApPerScan)) { |
Robert Greenwalt | 0451d59 | 2013-08-01 18:24:13 -0700 | [diff] [blame] | 526 | setting.maxApPerScan = s.maxApPerScan; |
| 527 | } |
| 528 | if (s.scanIntervalSec != BatchedScanSettings.UNSPECIFIED && |
| 529 | s.scanIntervalSec < setting.scanIntervalSec) { |
| 530 | setting.scanIntervalSec = s.scanIntervalSec; |
Robert Greenwalt | 0451d59 | 2013-08-01 18:24:13 -0700 | [diff] [blame] | 531 | } |
| 532 | if (s.maxApForDistance != BatchedScanSettings.UNSPECIFIED && |
Robert Greenwalt | 13820af | 2013-09-20 15:13:08 -0700 | [diff] [blame] | 533 | (setting.maxApForDistance == BatchedScanSettings.UNSPECIFIED || |
| 534 | s.maxApForDistance > setting.maxApForDistance)) { |
Robert Greenwalt | 0451d59 | 2013-08-01 18:24:13 -0700 | [diff] [blame] | 535 | setting.maxApForDistance = s.maxApForDistance; |
| 536 | } |
Robert Greenwalt | 13820af | 2013-09-20 15:13:08 -0700 | [diff] [blame] | 537 | if (s.channelSet != null && s.channelSet.size() != 0) { |
| 538 | if (setting.channelSet == null || setting.channelSet.size() != 0) { |
| 539 | if (setting.channelSet == null) setting.channelSet = new ArrayList<String>(); |
| 540 | for (String i : s.channelSet) { |
| 541 | if (setting.channelSet.contains(i) == false) setting.channelSet.add(i); |
| 542 | } |
| 543 | } // else, ignore the constraint - we already use all channels |
| 544 | } else { |
| 545 | if (setting.channelSet == null || setting.channelSet.size() != 0) { |
| 546 | setting.channelSet = new ArrayList<String>(); |
Robert Greenwalt | 0451d59 | 2013-08-01 18:24:13 -0700 | [diff] [blame] | 547 | } |
| 548 | } |
| 549 | } |
Robert Greenwalt | 13820af | 2013-09-20 15:13:08 -0700 | [diff] [blame] | 550 | |
| 551 | setting.constrain(); |
Robert Greenwalt | a029ea1 | 2013-09-25 16:38:12 -0700 | [diff] [blame] | 552 | mWifiStateMachine.setBatchedScanSettings(setting, responsibleUid, (int)responsibleCsph, |
| 553 | responsibleWorkSource); |
Robert Greenwalt | 0451d59 | 2013-08-01 18:24:13 -0700 | [diff] [blame] | 554 | } |
| 555 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 556 | private void enforceAccessPermission() { |
| 557 | mContext.enforceCallingOrSelfPermission(android.Manifest.permission.ACCESS_WIFI_STATE, |
| 558 | "WifiService"); |
| 559 | } |
| 560 | |
| 561 | private void enforceChangePermission() { |
| 562 | mContext.enforceCallingOrSelfPermission(android.Manifest.permission.CHANGE_WIFI_STATE, |
| 563 | "WifiService"); |
| 564 | |
| 565 | } |
| 566 | |
David Christie | 6942a12 | 2013-07-25 15:25:07 -0700 | [diff] [blame] | 567 | private void enforceWorkSourcePermission() { |
| 568 | mContext.enforceCallingPermission(android.Manifest.permission.UPDATE_DEVICE_STATS, |
| 569 | "WifiService"); |
| 570 | |
| 571 | } |
| 572 | |
Robert Greenwalt | fc1b15c | 2009-05-22 15:09:51 -0700 | [diff] [blame] | 573 | private void enforceMulticastChangePermission() { |
| 574 | mContext.enforceCallingOrSelfPermission( |
| 575 | android.Manifest.permission.CHANGE_WIFI_MULTICAST_STATE, |
| 576 | "WifiService"); |
| 577 | } |
| 578 | |
Irfan Sheriff | da6da09 | 2012-08-16 12:49:23 -0700 | [diff] [blame] | 579 | private void enforceConnectivityInternalPermission() { |
| 580 | mContext.enforceCallingOrSelfPermission( |
| 581 | android.Manifest.permission.CONNECTIVITY_INTERNAL, |
| 582 | "ConnectivityService"); |
| 583 | } |
| 584 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 585 | /** |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 586 | * see {@link android.net.wifi.WifiManager#setWifiEnabled(boolean)} |
| 587 | * @param enable {@code true} to enable, {@code false} to disable. |
| 588 | * @return {@code true} if the enable/disable operation was |
| 589 | * started or is already in the queue. |
| 590 | */ |
| 591 | public synchronized boolean setWifiEnabled(boolean enable) { |
| 592 | enforceChangePermission(); |
Irfan Sheriff | bd21b78 | 2012-05-16 13:13:54 -0700 | [diff] [blame] | 593 | Slog.d(TAG, "setWifiEnabled: " + enable + " pid=" + Binder.getCallingPid() |
| 594 | + ", uid=" + Binder.getCallingUid()); |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 595 | if (DBG) { |
Irfan Sheriff | 0d25534 | 2010-07-28 09:35:20 -0700 | [diff] [blame] | 596 | Slog.e(TAG, "Invoking mWifiStateMachine.setWifiEnabled\n"); |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 597 | } |
| 598 | |
Irfan Sheriff | 6118069 | 2010-08-18 16:07:39 -0700 | [diff] [blame] | 599 | /* |
Irfan Sheriff | b8c0e00 | 2013-02-20 14:19:54 -0800 | [diff] [blame] | 600 | * Caller might not have WRITE_SECURE_SETTINGS, |
| 601 | * only CHANGE_WIFI_STATE is enforced |
| 602 | */ |
Irfan Sheriff | 5401f0b | 2011-12-07 16:27:49 -0800 | [diff] [blame] | 603 | |
Irfan Sheriff | f03d620 | 2012-05-17 12:33:46 -0700 | [diff] [blame] | 604 | long ident = Binder.clearCallingIdentity(); |
Irfan Sheriff | 3d33a63 | 2012-09-16 17:59:13 -0700 | [diff] [blame] | 605 | try { |
Irfan Sheriff | 8a64b1a | 2013-02-20 15:12:41 -0800 | [diff] [blame] | 606 | if (! mSettingsStore.handleWifiToggled(enable)) { |
| 607 | // Nothing to do if wifi cannot be toggled |
| 608 | return true; |
| 609 | } |
Irfan Sheriff | 3d33a63 | 2012-09-16 17:59:13 -0700 | [diff] [blame] | 610 | } finally { |
| 611 | Binder.restoreCallingIdentity(ident); |
| 612 | } |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 613 | |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 614 | mWifiController.sendMessage(CMD_WIFI_TOGGLED); |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 615 | return true; |
| 616 | } |
| 617 | |
| 618 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 619 | * see {@link WifiManager#getWifiState()} |
| 620 | * @return One of {@link WifiManager#WIFI_STATE_DISABLED}, |
| 621 | * {@link WifiManager#WIFI_STATE_DISABLING}, |
| 622 | * {@link WifiManager#WIFI_STATE_ENABLED}, |
| 623 | * {@link WifiManager#WIFI_STATE_ENABLING}, |
| 624 | * {@link WifiManager#WIFI_STATE_UNKNOWN} |
| 625 | */ |
| 626 | public int getWifiEnabledState() { |
| 627 | enforceAccessPermission(); |
Irfan Sheriff | d8134ff | 2010-08-22 17:06:34 -0700 | [diff] [blame] | 628 | return mWifiStateMachine.syncGetWifiState(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 629 | } |
| 630 | |
| 631 | /** |
Irfan Sheriff | c2f54c2 | 2010-03-18 14:02:22 -0700 | [diff] [blame] | 632 | * see {@link android.net.wifi.WifiManager#setWifiApEnabled(WifiConfiguration, boolean)} |
Irfan Sheriff | 5321aef | 2010-02-12 12:35:59 -0800 | [diff] [blame] | 633 | * @param wifiConfig SSID, security and channel details as |
| 634 | * part of WifiConfiguration |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 635 | * @param enabled true to enable and false to disable |
Irfan Sheriff | 5321aef | 2010-02-12 12:35:59 -0800 | [diff] [blame] | 636 | */ |
Irfan Sheriff | ffcea7a | 2011-05-10 16:26:06 -0700 | [diff] [blame] | 637 | public void setWifiApEnabled(WifiConfiguration wifiConfig, boolean enabled) { |
Irfan Sheriff | 5321aef | 2010-02-12 12:35:59 -0800 | [diff] [blame] | 638 | enforceChangePermission(); |
Yuhao Zheng | 8c461c6 | 2013-09-16 12:43:00 -0700 | [diff] [blame] | 639 | // null wifiConfig is a meaningful input for CMD_SET_AP |
| 640 | if (wifiConfig == null || wifiConfig.isValid()) { |
Vinit Deshapnde | 10652a9 | 2013-09-09 16:24:36 -0700 | [diff] [blame] | 641 | mWifiController.obtainMessage(CMD_SET_AP, enabled ? 1 : 0, 0, wifiConfig).sendToTarget(); |
| 642 | } else { |
| 643 | Slog.e(TAG, "Invalid WifiConfiguration"); |
| 644 | } |
Irfan Sheriff | 5321aef | 2010-02-12 12:35:59 -0800 | [diff] [blame] | 645 | } |
| 646 | |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 647 | /** |
| 648 | * see {@link WifiManager#getWifiApState()} |
| 649 | * @return One of {@link WifiManager#WIFI_AP_STATE_DISABLED}, |
| 650 | * {@link WifiManager#WIFI_AP_STATE_DISABLING}, |
| 651 | * {@link WifiManager#WIFI_AP_STATE_ENABLED}, |
| 652 | * {@link WifiManager#WIFI_AP_STATE_ENABLING}, |
| 653 | * {@link WifiManager#WIFI_AP_STATE_FAILED} |
| 654 | */ |
| 655 | public int getWifiApEnabledState() { |
Irfan Sheriff | 17b232b | 2010-06-24 11:32:26 -0700 | [diff] [blame] | 656 | enforceAccessPermission(); |
Irfan Sheriff | d8134ff | 2010-08-22 17:06:34 -0700 | [diff] [blame] | 657 | return mWifiStateMachine.syncGetWifiApState(); |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 658 | } |
| 659 | |
| 660 | /** |
| 661 | * see {@link WifiManager#getWifiApConfiguration()} |
| 662 | * @return soft access point configuration |
| 663 | */ |
Irfan Sheriff | ffcea7a | 2011-05-10 16:26:06 -0700 | [diff] [blame] | 664 | public WifiConfiguration getWifiApConfiguration() { |
| 665 | enforceAccessPermission(); |
Irfan Sheriff | 9575a1b | 2011-11-07 10:34:54 -0800 | [diff] [blame] | 666 | return mWifiStateMachine.syncGetWifiApConfiguration(); |
Irfan Sheriff | 9ab518ad | 2010-03-12 15:48:17 -0800 | [diff] [blame] | 667 | } |
| 668 | |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 669 | /** |
| 670 | * see {@link WifiManager#setWifiApConfiguration(WifiConfiguration)} |
| 671 | * @param wifiConfig WifiConfiguration details for soft access point |
| 672 | */ |
Irfan Sheriff | ffcea7a | 2011-05-10 16:26:06 -0700 | [diff] [blame] | 673 | public void setWifiApConfiguration(WifiConfiguration wifiConfig) { |
Irfan Sheriff | 17b232b | 2010-06-24 11:32:26 -0700 | [diff] [blame] | 674 | enforceChangePermission(); |
Irfan Sheriff | 9ab518ad | 2010-03-12 15:48:17 -0800 | [diff] [blame] | 675 | if (wifiConfig == null) |
| 676 | return; |
Vinit Deshapnde | 10652a9 | 2013-09-09 16:24:36 -0700 | [diff] [blame] | 677 | if (wifiConfig.isValid()) { |
| 678 | mWifiStateMachine.setWifiApConfiguration(wifiConfig); |
| 679 | } else { |
| 680 | Slog.e(TAG, "Invalid WifiConfiguration"); |
| 681 | } |
Irfan Sheriff | 9ab518ad | 2010-03-12 15:48:17 -0800 | [diff] [blame] | 682 | } |
| 683 | |
Irfan Sheriff | 5321aef | 2010-02-12 12:35:59 -0800 | [diff] [blame] | 684 | /** |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 685 | * @param enable {@code true} to enable, {@code false} to disable. |
| 686 | * @return {@code true} if the enable/disable operation was |
| 687 | * started or is already in the queue. |
| 688 | */ |
Irfan Sheriff | 7ea33ea | 2013-04-19 08:39:53 -0700 | [diff] [blame] | 689 | public boolean isScanAlwaysAvailable() { |
Irfan Sheriff | 1ef840c | 2013-03-12 17:09:27 -0700 | [diff] [blame] | 690 | enforceAccessPermission(); |
| 691 | return mSettingsStore.isScanAlwaysAvailable(); |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 692 | } |
| 693 | |
| 694 | /** |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 695 | * see {@link android.net.wifi.WifiManager#disconnect()} |
Irfan Sheriff | 5321aef | 2010-02-12 12:35:59 -0800 | [diff] [blame] | 696 | */ |
Irfan Sheriff | e498475 | 2010-08-19 11:29:22 -0700 | [diff] [blame] | 697 | public void disconnect() { |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 698 | enforceChangePermission(); |
Irfan Sheriff | e498475 | 2010-08-19 11:29:22 -0700 | [diff] [blame] | 699 | mWifiStateMachine.disconnectCommand(); |
Irfan Sheriff | 5321aef | 2010-02-12 12:35:59 -0800 | [diff] [blame] | 700 | } |
| 701 | |
| 702 | /** |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 703 | * see {@link android.net.wifi.WifiManager#reconnect()} |
Irfan Sheriff | 5321aef | 2010-02-12 12:35:59 -0800 | [diff] [blame] | 704 | */ |
Irfan Sheriff | e498475 | 2010-08-19 11:29:22 -0700 | [diff] [blame] | 705 | public void reconnect() { |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 706 | enforceChangePermission(); |
Irfan Sheriff | e498475 | 2010-08-19 11:29:22 -0700 | [diff] [blame] | 707 | mWifiStateMachine.reconnectCommand(); |
Irfan Sheriff | 5321aef | 2010-02-12 12:35:59 -0800 | [diff] [blame] | 708 | } |
| 709 | |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 710 | /** |
| 711 | * see {@link android.net.wifi.WifiManager#reassociate()} |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 712 | */ |
Irfan Sheriff | e498475 | 2010-08-19 11:29:22 -0700 | [diff] [blame] | 713 | public void reassociate() { |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 714 | enforceChangePermission(); |
Irfan Sheriff | e498475 | 2010-08-19 11:29:22 -0700 | [diff] [blame] | 715 | mWifiStateMachine.reassociateCommand(); |
Irfan Sheriff | 5321aef | 2010-02-12 12:35:59 -0800 | [diff] [blame] | 716 | } |
| 717 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 718 | /** |
| 719 | * see {@link android.net.wifi.WifiManager#getConfiguredNetworks()} |
| 720 | * @return the list of configured networks |
| 721 | */ |
| 722 | public List<WifiConfiguration> getConfiguredNetworks() { |
| 723 | enforceAccessPermission(); |
Irfan Sheriff | e744cff | 2011-12-11 09:17:50 -0800 | [diff] [blame] | 724 | if (mWifiStateMachineChannel != null) { |
| 725 | return mWifiStateMachine.syncGetConfiguredNetworks(mWifiStateMachineChannel); |
| 726 | } else { |
| 727 | Slog.e(TAG, "mWifiStateMachineChannel is not initialized"); |
| 728 | return null; |
| 729 | } |
Chung-yih Wang | a8d1594 | 2009-10-09 11:01:49 +0800 | [diff] [blame] | 730 | } |
| 731 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 732 | /** |
| 733 | * see {@link android.net.wifi.WifiManager#addOrUpdateNetwork(WifiConfiguration)} |
| 734 | * @return the supplicant-assigned identifier for the new or updated |
| 735 | * network if the operation succeeds, or {@code -1} if it fails |
| 736 | */ |
Irfan Sheriff | 7aac554 | 2009-12-22 21:42:17 -0800 | [diff] [blame] | 737 | public int addOrUpdateNetwork(WifiConfiguration config) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 738 | enforceChangePermission(); |
Jason Monk | 1aeaf84 | 2013-10-21 12:43:53 -0400 | [diff] [blame] | 739 | if (config.proxySettings == ProxySettings.PAC) { |
| 740 | enforceConnectivityInternalPermission(); |
| 741 | } |
Vinit Deshapnde | 10652a9 | 2013-09-09 16:24:36 -0700 | [diff] [blame] | 742 | if (config.isValid()) { |
| 743 | if (mWifiStateMachineChannel != null) { |
| 744 | return mWifiStateMachine.syncAddOrUpdateNetwork(mWifiStateMachineChannel, config); |
| 745 | } else { |
| 746 | Slog.e(TAG, "mWifiStateMachineChannel is not initialized"); |
| 747 | return -1; |
| 748 | } |
Irfan Sheriff | 1406bcb | 2010-10-28 14:41:39 -0700 | [diff] [blame] | 749 | } else { |
Vinit Deshapnde | 10652a9 | 2013-09-09 16:24:36 -0700 | [diff] [blame] | 750 | Slog.e(TAG, "bad network configuration"); |
Irfan Sheriff | 1406bcb | 2010-10-28 14:41:39 -0700 | [diff] [blame] | 751 | return -1; |
| 752 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 753 | } |
| 754 | |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 755 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 756 | * See {@link android.net.wifi.WifiManager#removeNetwork(int)} |
| 757 | * @param netId the integer that identifies the network configuration |
| 758 | * to the supplicant |
| 759 | * @return {@code true} if the operation succeeded |
| 760 | */ |
| 761 | public boolean removeNetwork(int netId) { |
| 762 | enforceChangePermission(); |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 763 | if (mWifiStateMachineChannel != null) { |
| 764 | return mWifiStateMachine.syncRemoveNetwork(mWifiStateMachineChannel, netId); |
Wink Saville | 4b7ba09 | 2010-10-20 15:37:41 -0700 | [diff] [blame] | 765 | } else { |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 766 | Slog.e(TAG, "mWifiStateMachineChannel is not initialized"); |
Wink Saville | 4b7ba09 | 2010-10-20 15:37:41 -0700 | [diff] [blame] | 767 | return false; |
| 768 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 769 | } |
| 770 | |
| 771 | /** |
| 772 | * See {@link android.net.wifi.WifiManager#enableNetwork(int, boolean)} |
| 773 | * @param netId the integer that identifies the network configuration |
| 774 | * to the supplicant |
| 775 | * @param disableOthers if true, disable all other networks. |
| 776 | * @return {@code true} if the operation succeeded |
| 777 | */ |
| 778 | public boolean enableNetwork(int netId, boolean disableOthers) { |
| 779 | enforceChangePermission(); |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 780 | if (mWifiStateMachineChannel != null) { |
| 781 | return mWifiStateMachine.syncEnableNetwork(mWifiStateMachineChannel, netId, |
| 782 | disableOthers); |
Irfan Sheriff | 1406bcb | 2010-10-28 14:41:39 -0700 | [diff] [blame] | 783 | } else { |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 784 | Slog.e(TAG, "mWifiStateMachineChannel is not initialized"); |
Irfan Sheriff | 1406bcb | 2010-10-28 14:41:39 -0700 | [diff] [blame] | 785 | return false; |
| 786 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 787 | } |
| 788 | |
| 789 | /** |
| 790 | * See {@link android.net.wifi.WifiManager#disableNetwork(int)} |
| 791 | * @param netId the integer that identifies the network configuration |
| 792 | * to the supplicant |
| 793 | * @return {@code true} if the operation succeeded |
| 794 | */ |
| 795 | public boolean disableNetwork(int netId) { |
| 796 | enforceChangePermission(); |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 797 | if (mWifiStateMachineChannel != null) { |
| 798 | return mWifiStateMachine.syncDisableNetwork(mWifiStateMachineChannel, netId); |
Irfan Sheriff | 1406bcb | 2010-10-28 14:41:39 -0700 | [diff] [blame] | 799 | } else { |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 800 | Slog.e(TAG, "mWifiStateMachineChannel is not initialized"); |
Irfan Sheriff | 1406bcb | 2010-10-28 14:41:39 -0700 | [diff] [blame] | 801 | return false; |
| 802 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 803 | } |
| 804 | |
| 805 | /** |
| 806 | * See {@link android.net.wifi.WifiManager#getConnectionInfo()} |
| 807 | * @return the Wi-Fi information, contained in {@link WifiInfo}. |
| 808 | */ |
| 809 | public WifiInfo getConnectionInfo() { |
| 810 | enforceAccessPermission(); |
| 811 | /* |
| 812 | * Make sure we have the latest information, by sending |
| 813 | * a status request to the supplicant. |
| 814 | */ |
Irfan Sheriff | d8134ff | 2010-08-22 17:06:34 -0700 | [diff] [blame] | 815 | return mWifiStateMachine.syncRequestConnectionInfo(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 816 | } |
| 817 | |
| 818 | /** |
| 819 | * Return the results of the most recent access point scan, in the form of |
| 820 | * a list of {@link ScanResult} objects. |
| 821 | * @return the list of results |
| 822 | */ |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 823 | public List<ScanResult> getScanResults(String callingPackage) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 824 | enforceAccessPermission(); |
Irfan Sheriff | db831da | 2012-09-16 17:39:26 -0700 | [diff] [blame] | 825 | int userId = UserHandle.getCallingUserId(); |
Dianne Hackborn | 5e45ee6 | 2013-01-24 19:13:44 -0800 | [diff] [blame] | 826 | int uid = Binder.getCallingUid(); |
Irfan Sheriff | db831da | 2012-09-16 17:39:26 -0700 | [diff] [blame] | 827 | long ident = Binder.clearCallingIdentity(); |
Irfan Sheriff | 3d33a63 | 2012-09-16 17:59:13 -0700 | [diff] [blame] | 828 | try { |
Robert Greenwalt | 0451d59 | 2013-08-01 18:24:13 -0700 | [diff] [blame] | 829 | if (mAppOps.noteOp(AppOpsManager.OP_WIFI_SCAN, uid, callingPackage) |
| 830 | != AppOpsManager.MODE_ALLOWED) { |
| 831 | return new ArrayList<ScanResult>(); |
| 832 | } |
Irfan Sheriff | 3d33a63 | 2012-09-16 17:59:13 -0700 | [diff] [blame] | 833 | int currentUser = ActivityManager.getCurrentUser(); |
| 834 | if (userId != currentUser) { |
| 835 | return new ArrayList<ScanResult>(); |
| 836 | } else { |
| 837 | return mWifiStateMachine.syncGetScanResultsList(); |
| 838 | } |
| 839 | } finally { |
| 840 | Binder.restoreCallingIdentity(ident); |
Irfan Sheriff | 330b187 | 2012-09-16 12:27:57 -0700 | [diff] [blame] | 841 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 842 | } |
| 843 | |
| 844 | /** |
| 845 | * Tell the supplicant to persist the current list of configured networks. |
| 846 | * @return {@code true} if the operation succeeded |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 847 | * |
| 848 | * TODO: deprecate this |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 849 | */ |
| 850 | public boolean saveConfiguration() { |
Irfan Sheriff | a2a1b91 | 2010-06-07 09:03:04 -0700 | [diff] [blame] | 851 | boolean result = true; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 852 | enforceChangePermission(); |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 853 | if (mWifiStateMachineChannel != null) { |
| 854 | return mWifiStateMachine.syncSaveConfig(mWifiStateMachineChannel); |
Irfan Sheriff | 1406bcb | 2010-10-28 14:41:39 -0700 | [diff] [blame] | 855 | } else { |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 856 | Slog.e(TAG, "mWifiStateMachineChannel is not initialized"); |
Irfan Sheriff | 1406bcb | 2010-10-28 14:41:39 -0700 | [diff] [blame] | 857 | return false; |
| 858 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 859 | } |
| 860 | |
| 861 | /** |
Irfan Sheriff | ed4f28b | 2010-10-29 15:32:10 -0700 | [diff] [blame] | 862 | * Set the country code |
| 863 | * @param countryCode ISO 3166 country code. |
Robert Greenwalt | b5010cc | 2009-05-21 15:11:40 -0700 | [diff] [blame] | 864 | * @param persist {@code true} if the setting should be remembered. |
Irfan Sheriff | ed4f28b | 2010-10-29 15:32:10 -0700 | [diff] [blame] | 865 | * |
| 866 | * The persist behavior exists so that wifi can fall back to the last |
| 867 | * persisted country code on a restart, when the locale information is |
| 868 | * not available from telephony. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 869 | */ |
Irfan Sheriff | ed4f28b | 2010-10-29 15:32:10 -0700 | [diff] [blame] | 870 | public void setCountryCode(String countryCode, boolean persist) { |
| 871 | Slog.i(TAG, "WifiService trying to set country code to " + countryCode + |
| 872 | " with persist set to " + persist); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 873 | enforceChangePermission(); |
Robert Greenwalt | 304aad4 | 2013-05-31 17:57:10 -0700 | [diff] [blame] | 874 | final long token = Binder.clearCallingIdentity(); |
| 875 | try { |
| 876 | mWifiStateMachine.setCountryCode(countryCode, persist); |
| 877 | } finally { |
| 878 | Binder.restoreCallingIdentity(token); |
| 879 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 880 | } |
| 881 | |
| 882 | /** |
Irfan Sheriff | 36f7413 | 2010-11-04 16:57:37 -0700 | [diff] [blame] | 883 | * Set the operational frequency band |
| 884 | * @param band One of |
| 885 | * {@link WifiManager#WIFI_FREQUENCY_BAND_AUTO}, |
| 886 | * {@link WifiManager#WIFI_FREQUENCY_BAND_5GHZ}, |
| 887 | * {@link WifiManager#WIFI_FREQUENCY_BAND_2GHZ}, |
| 888 | * @param persist {@code true} if the setting should be remembered. |
| 889 | * |
| 890 | */ |
| 891 | public void setFrequencyBand(int band, boolean persist) { |
| 892 | enforceChangePermission(); |
| 893 | if (!isDualBandSupported()) return; |
| 894 | Slog.i(TAG, "WifiService trying to set frequency band to " + band + |
| 895 | " with persist set to " + persist); |
Robert Greenwalt | 304aad4 | 2013-05-31 17:57:10 -0700 | [diff] [blame] | 896 | final long token = Binder.clearCallingIdentity(); |
| 897 | try { |
| 898 | mWifiStateMachine.setFrequencyBand(band, persist); |
| 899 | } finally { |
| 900 | Binder.restoreCallingIdentity(token); |
| 901 | } |
Irfan Sheriff | 36f7413 | 2010-11-04 16:57:37 -0700 | [diff] [blame] | 902 | } |
| 903 | |
| 904 | |
| 905 | /** |
| 906 | * Get the operational frequency band |
| 907 | */ |
| 908 | public int getFrequencyBand() { |
| 909 | enforceAccessPermission(); |
| 910 | return mWifiStateMachine.getFrequencyBand(); |
| 911 | } |
| 912 | |
| 913 | public boolean isDualBandSupported() { |
| 914 | //TODO: Should move towards adding a driver API that checks at runtime |
| 915 | return mContext.getResources().getBoolean( |
| 916 | com.android.internal.R.bool.config_wifi_dual_band_support); |
| 917 | } |
| 918 | |
| 919 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 920 | * Return the DHCP-assigned addresses from the last successful DHCP request, |
| 921 | * if any. |
| 922 | * @return the DHCP information |
Robert Greenwalt | 4717c26 | 2012-10-31 14:32:53 -0700 | [diff] [blame] | 923 | * @deprecated |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 924 | */ |
| 925 | public DhcpInfo getDhcpInfo() { |
| 926 | enforceAccessPermission(); |
Robert Greenwalt | 4717c26 | 2012-10-31 14:32:53 -0700 | [diff] [blame] | 927 | DhcpResults dhcpResults = mWifiStateMachine.syncGetDhcpResults(); |
| 928 | if (dhcpResults.linkProperties == null) return null; |
| 929 | |
| 930 | DhcpInfo info = new DhcpInfo(); |
| 931 | for (LinkAddress la : dhcpResults.linkProperties.getLinkAddresses()) { |
| 932 | InetAddress addr = la.getAddress(); |
| 933 | if (addr instanceof Inet4Address) { |
| 934 | info.ipAddress = NetworkUtils.inetAddressToInt((Inet4Address)addr); |
| 935 | break; |
| 936 | } |
| 937 | } |
| 938 | for (RouteInfo r : dhcpResults.linkProperties.getRoutes()) { |
| 939 | if (r.isDefaultRoute()) { |
| 940 | InetAddress gateway = r.getGateway(); |
| 941 | if (gateway instanceof Inet4Address) { |
| 942 | info.gateway = NetworkUtils.inetAddressToInt((Inet4Address)gateway); |
| 943 | } |
Robert Greenwalt | ca441ee | 2013-04-11 13:48:16 -0700 | [diff] [blame] | 944 | } else if (r.hasGateway() == false) { |
Robert Greenwalt | 4717c26 | 2012-10-31 14:32:53 -0700 | [diff] [blame] | 945 | LinkAddress dest = r.getDestination(); |
| 946 | if (dest.getAddress() instanceof Inet4Address) { |
| 947 | info.netmask = NetworkUtils.prefixLengthToNetmaskInt( |
| 948 | dest.getNetworkPrefixLength()); |
| 949 | } |
| 950 | } |
| 951 | } |
| 952 | int dnsFound = 0; |
| 953 | for (InetAddress dns : dhcpResults.linkProperties.getDnses()) { |
| 954 | if (dns instanceof Inet4Address) { |
| 955 | if (dnsFound == 0) { |
| 956 | info.dns1 = NetworkUtils.inetAddressToInt((Inet4Address)dns); |
| 957 | } else { |
| 958 | info.dns2 = NetworkUtils.inetAddressToInt((Inet4Address)dns); |
| 959 | } |
| 960 | if (++dnsFound > 1) break; |
| 961 | } |
| 962 | } |
| 963 | InetAddress serverAddress = dhcpResults.serverAddress; |
| 964 | if (serverAddress instanceof Inet4Address) { |
| 965 | info.serverAddress = NetworkUtils.inetAddressToInt((Inet4Address)serverAddress); |
| 966 | } |
| 967 | info.leaseDuration = dhcpResults.leaseDuration; |
| 968 | |
| 969 | return info; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 970 | } |
| 971 | |
Irfan Sheriff | 0d25534 | 2010-07-28 09:35:20 -0700 | [diff] [blame] | 972 | /** |
| 973 | * see {@link android.net.wifi.WifiManager#startWifi} |
| 974 | * |
| 975 | */ |
| 976 | public void startWifi() { |
Irfan Sheriff | da6da09 | 2012-08-16 12:49:23 -0700 | [diff] [blame] | 977 | enforceConnectivityInternalPermission(); |
Irfan Sheriff | 0d25534 | 2010-07-28 09:35:20 -0700 | [diff] [blame] | 978 | /* TODO: may be add permissions for access only to connectivity service |
| 979 | * TODO: if a start issued, keep wifi alive until a stop issued irrespective |
| 980 | * of WifiLock & device idle status unless wifi enabled status is toggled |
| 981 | */ |
| 982 | |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 983 | mWifiStateMachine.setDriverStart(true); |
Irfan Sheriff | 0d25534 | 2010-07-28 09:35:20 -0700 | [diff] [blame] | 984 | mWifiStateMachine.reconnectCommand(); |
| 985 | } |
| 986 | |
Irfan Sheriff | da6da09 | 2012-08-16 12:49:23 -0700 | [diff] [blame] | 987 | public void captivePortalCheckComplete() { |
| 988 | enforceConnectivityInternalPermission(); |
| 989 | mWifiStateMachine.captivePortalCheckComplete(); |
| 990 | } |
| 991 | |
Irfan Sheriff | 0d25534 | 2010-07-28 09:35:20 -0700 | [diff] [blame] | 992 | /** |
| 993 | * see {@link android.net.wifi.WifiManager#stopWifi} |
| 994 | * |
| 995 | */ |
| 996 | public void stopWifi() { |
Irfan Sheriff | da6da09 | 2012-08-16 12:49:23 -0700 | [diff] [blame] | 997 | enforceConnectivityInternalPermission(); |
| 998 | /* |
Irfan Sheriff | 0d25534 | 2010-07-28 09:35:20 -0700 | [diff] [blame] | 999 | * TODO: if a stop is issued, wifi is brought up only by startWifi |
| 1000 | * unless wifi enabled status is toggled |
| 1001 | */ |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 1002 | mWifiStateMachine.setDriverStart(false); |
Irfan Sheriff | 0d25534 | 2010-07-28 09:35:20 -0700 | [diff] [blame] | 1003 | } |
| 1004 | |
Irfan Sheriff | 0d25534 | 2010-07-28 09:35:20 -0700 | [diff] [blame] | 1005 | /** |
| 1006 | * see {@link android.net.wifi.WifiManager#addToBlacklist} |
| 1007 | * |
| 1008 | */ |
| 1009 | public void addToBlacklist(String bssid) { |
| 1010 | enforceChangePermission(); |
| 1011 | |
| 1012 | mWifiStateMachine.addToBlacklist(bssid); |
| 1013 | } |
| 1014 | |
| 1015 | /** |
| 1016 | * see {@link android.net.wifi.WifiManager#clearBlacklist} |
| 1017 | * |
| 1018 | */ |
| 1019 | public void clearBlacklist() { |
| 1020 | enforceChangePermission(); |
| 1021 | |
| 1022 | mWifiStateMachine.clearBlacklist(); |
| 1023 | } |
| 1024 | |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 1025 | /** |
Vinit Deshapnde | 64f0d5b | 2013-07-11 15:12:44 -0700 | [diff] [blame] | 1026 | * enable TDLS for the local NIC to remote NIC |
| 1027 | * The APPs don't know the remote MAC address to identify NIC though, |
| 1028 | * so we need to do additional work to find it from remote IP address |
| 1029 | */ |
| 1030 | |
| 1031 | class TdlsTaskParams { |
| 1032 | public String remoteIpAddress; |
| 1033 | public boolean enable; |
| 1034 | } |
| 1035 | |
| 1036 | class TdlsTask extends AsyncTask<TdlsTaskParams, Integer, Integer> { |
| 1037 | @Override |
| 1038 | protected Integer doInBackground(TdlsTaskParams... params) { |
| 1039 | |
| 1040 | // Retrieve parameters for the call |
| 1041 | TdlsTaskParams param = params[0]; |
| 1042 | String remoteIpAddress = param.remoteIpAddress.trim(); |
| 1043 | boolean enable = param.enable; |
| 1044 | |
| 1045 | // Get MAC address of Remote IP |
| 1046 | String macAddress = null; |
| 1047 | |
| 1048 | BufferedReader reader = null; |
| 1049 | |
| 1050 | try { |
| 1051 | reader = new BufferedReader(new FileReader("/proc/net/arp")); |
| 1052 | |
| 1053 | // Skip over the line bearing colum titles |
| 1054 | String line = reader.readLine(); |
| 1055 | |
| 1056 | while ((line = reader.readLine()) != null) { |
| 1057 | String[] tokens = line.split("[ ]+"); |
| 1058 | if (tokens.length < 6) { |
| 1059 | continue; |
| 1060 | } |
| 1061 | |
| 1062 | // ARP column format is |
| 1063 | // Address HWType HWAddress Flags Mask IFace |
| 1064 | String ip = tokens[0]; |
| 1065 | String mac = tokens[3]; |
| 1066 | |
| 1067 | if (remoteIpAddress.equals(ip)) { |
| 1068 | macAddress = mac; |
| 1069 | break; |
| 1070 | } |
| 1071 | } |
| 1072 | |
| 1073 | if (macAddress == null) { |
| 1074 | Slog.w(TAG, "Did not find remoteAddress {" + remoteIpAddress + "} in " + |
| 1075 | "/proc/net/arp"); |
| 1076 | } else { |
| 1077 | enableTdlsWithMacAddress(macAddress, enable); |
| 1078 | } |
| 1079 | |
| 1080 | } catch (FileNotFoundException e) { |
| 1081 | Slog.e(TAG, "Could not open /proc/net/arp to lookup mac address"); |
| 1082 | } catch (IOException e) { |
| 1083 | Slog.e(TAG, "Could not read /proc/net/arp to lookup mac address"); |
| 1084 | } finally { |
| 1085 | try { |
| 1086 | if (reader != null) { |
| 1087 | reader.close(); |
| 1088 | } |
| 1089 | } |
| 1090 | catch (IOException e) { |
| 1091 | // Do nothing |
| 1092 | } |
| 1093 | } |
| 1094 | |
| 1095 | return 0; |
| 1096 | } |
| 1097 | } |
| 1098 | |
| 1099 | public void enableTdls(String remoteAddress, boolean enable) { |
| 1100 | TdlsTaskParams params = new TdlsTaskParams(); |
| 1101 | params.remoteIpAddress = remoteAddress; |
| 1102 | params.enable = enable; |
| 1103 | new TdlsTask().execute(params); |
| 1104 | } |
| 1105 | |
| 1106 | |
| 1107 | public void enableTdlsWithMacAddress(String remoteMacAddress, boolean enable) { |
| 1108 | mWifiStateMachine.enableTdls(remoteMacAddress, enable); |
| 1109 | } |
| 1110 | |
| 1111 | /** |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 1112 | * Get a reference to handler. This is used by a client to establish |
| 1113 | * an AsyncChannel communication with WifiService |
| 1114 | */ |
Irfan Sheriff | 07573b3 | 2012-01-27 21:00:19 -0800 | [diff] [blame] | 1115 | public Messenger getWifiServiceMessenger() { |
Irfan Sheriff | 35bbe27 | 2012-08-23 16:57:43 -0700 | [diff] [blame] | 1116 | enforceAccessPermission(); |
| 1117 | enforceChangePermission(); |
Irfan Sheriff | b8c0e00 | 2013-02-20 14:19:54 -0800 | [diff] [blame] | 1118 | return new Messenger(mClientHandler); |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 1119 | } |
| 1120 | |
Irfan Sheriff | 07573b3 | 2012-01-27 21:00:19 -0800 | [diff] [blame] | 1121 | /** Get a reference to WifiStateMachine handler for AsyncChannel communication */ |
| 1122 | public Messenger getWifiStateMachineMessenger() { |
| 1123 | enforceAccessPermission(); |
| 1124 | enforceChangePermission(); |
| 1125 | return mWifiStateMachine.getMessenger(); |
| 1126 | } |
| 1127 | |
Irfan Sheriff | 4aeca7c5 | 2011-03-10 16:53:33 -0800 | [diff] [blame] | 1128 | /** |
| 1129 | * Get the IP and proxy configuration file |
| 1130 | */ |
| 1131 | public String getConfigFile() { |
| 1132 | enforceAccessPermission(); |
| 1133 | return mWifiStateMachine.getConfigFile(); |
| 1134 | } |
| 1135 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1136 | private final BroadcastReceiver mReceiver = new BroadcastReceiver() { |
| 1137 | @Override |
| 1138 | public void onReceive(Context context, Intent intent) { |
| 1139 | String action = intent.getAction(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1140 | if (action.equals(Intent.ACTION_SCREEN_ON)) { |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 1141 | mWifiController.sendMessage(CMD_SCREEN_ON); |
Vinit Deshapnde | a3038b2 | 2013-10-02 17:26:05 -0700 | [diff] [blame] | 1142 | } else if (action.equals(Intent.ACTION_USER_PRESENT)) { |
| 1143 | mWifiController.sendMessage(CMD_USER_PRESENT); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1144 | } else if (action.equals(Intent.ACTION_SCREEN_OFF)) { |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 1145 | mWifiController.sendMessage(CMD_SCREEN_OFF); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1146 | } else if (action.equals(Intent.ACTION_BATTERY_CHANGED)) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1147 | int pluggedType = intent.getIntExtra("plugged", 0); |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 1148 | mWifiController.sendMessage(CMD_BATTERY_CHANGED, pluggedType, 0, null); |
Irfan Sheriff | 65eaec8 | 2011-01-05 22:00:16 -0800 | [diff] [blame] | 1149 | } else if (action.equals(BluetoothAdapter.ACTION_CONNECTION_STATE_CHANGED)) { |
| 1150 | int state = intent.getIntExtra(BluetoothAdapter.EXTRA_CONNECTION_STATE, |
| 1151 | BluetoothAdapter.STATE_DISCONNECTED); |
| 1152 | mWifiStateMachine.sendBluetoothAdapterStateChange(state); |
Irfan Sheriff | 616f317 | 2011-09-11 19:59:01 -0700 | [diff] [blame] | 1153 | } else if (action.equals(TelephonyIntents.ACTION_EMERGENCY_CALLBACK_MODE_CHANGED)) { |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 1154 | boolean emergencyMode = intent.getBooleanExtra("phoneinECMState", false); |
| 1155 | 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] | 1156 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1157 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1158 | }; |
| 1159 | |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 1160 | /** |
| 1161 | * Observes settings changes to scan always mode. |
| 1162 | */ |
| 1163 | private void registerForScanModeChange() { |
| 1164 | ContentObserver contentObserver = new ContentObserver(null) { |
| 1165 | @Override |
| 1166 | public void onChange(boolean selfChange) { |
| 1167 | mSettingsStore.handleWifiScanAlwaysAvailableToggled(); |
| 1168 | mWifiController.sendMessage(CMD_SCAN_ALWAYS_MODE_CHANGED); |
Dianne Hackborn | 58e0eef | 2010-09-16 01:22:10 -0700 | [diff] [blame] | 1169 | } |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 1170 | }; |
Jaikumar Ganesh | 7440fc2 | 2010-09-27 17:04:14 -0700 | [diff] [blame] | 1171 | |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 1172 | mContext.getContentResolver().registerContentObserver( |
| 1173 | Settings.Global.getUriFor(Settings.Global.WIFI_SCAN_ALWAYS_AVAILABLE), |
| 1174 | false, contentObserver); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1175 | } |
| 1176 | |
| 1177 | private void registerForBroadcasts() { |
| 1178 | IntentFilter intentFilter = new IntentFilter(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1179 | intentFilter.addAction(Intent.ACTION_SCREEN_ON); |
Vinit Deshapnde | a3038b2 | 2013-10-02 17:26:05 -0700 | [diff] [blame] | 1180 | intentFilter.addAction(Intent.ACTION_USER_PRESENT); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1181 | intentFilter.addAction(Intent.ACTION_SCREEN_OFF); |
| 1182 | intentFilter.addAction(Intent.ACTION_BATTERY_CHANGED); |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 1183 | intentFilter.addAction(WifiManager.NETWORK_STATE_CHANGED_ACTION); |
Irfan Sheriff | 65eaec8 | 2011-01-05 22:00:16 -0800 | [diff] [blame] | 1184 | intentFilter.addAction(BluetoothAdapter.ACTION_CONNECTION_STATE_CHANGED); |
Irfan Sheriff | 616f317 | 2011-09-11 19:59:01 -0700 | [diff] [blame] | 1185 | intentFilter.addAction(TelephonyIntents.ACTION_EMERGENCY_CALLBACK_MODE_CHANGED); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1186 | mContext.registerReceiver(mReceiver, intentFilter); |
| 1187 | } |
Jaikumar Ganesh | 084c665 | 2009-12-07 10:58:18 -0800 | [diff] [blame] | 1188 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1189 | @Override |
| 1190 | protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| 1191 | if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) |
| 1192 | != PackageManager.PERMISSION_GRANTED) { |
| 1193 | pw.println("Permission Denial: can't dump WifiService from from pid=" |
| 1194 | + Binder.getCallingPid() |
| 1195 | + ", uid=" + Binder.getCallingUid()); |
| 1196 | return; |
| 1197 | } |
Irfan Sheriff | d8134ff | 2010-08-22 17:06:34 -0700 | [diff] [blame] | 1198 | pw.println("Wi-Fi is " + mWifiStateMachine.syncGetWifiStateByName()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1199 | pw.println("Stay-awake conditions: " + |
Christopher Tate | c09cdce | 2012-09-10 16:50:14 -0700 | [diff] [blame] | 1200 | Settings.Global.getInt(mContext.getContentResolver(), |
| 1201 | Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0)); |
Irfan Sheriff | f0afe41 | 2012-11-30 14:07:44 -0800 | [diff] [blame] | 1202 | pw.println("mMulticastEnabled " + mMulticastEnabled); |
| 1203 | pw.println("mMulticastDisabled " + mMulticastDisabled); |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 1204 | mWifiController.dump(fd, pw, args); |
Irfan Sheriff | b8c0e00 | 2013-02-20 14:19:54 -0800 | [diff] [blame] | 1205 | mSettingsStore.dump(fd, pw, args); |
| 1206 | mNotificationController.dump(fd, pw, args); |
| 1207 | mTrafficPoller.dump(fd, pw, args); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1208 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1209 | pw.println("Latest scan results:"); |
Irfan Sheriff | d8134ff | 2010-08-22 17:06:34 -0700 | [diff] [blame] | 1210 | List<ScanResult> scanResults = mWifiStateMachine.syncGetScanResultsList(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1211 | if (scanResults != null && scanResults.size() != 0) { |
| 1212 | pw.println(" BSSID Frequency RSSI Flags SSID"); |
| 1213 | for (ScanResult r : scanResults) { |
| 1214 | pw.printf(" %17s %9d %5d %-16s %s%n", |
| 1215 | r.BSSID, |
| 1216 | r.frequency, |
| 1217 | r.level, |
| 1218 | r.capabilities, |
| 1219 | r.SSID == null ? "" : r.SSID); |
| 1220 | } |
| 1221 | } |
| 1222 | pw.println(); |
Eric Shienbrood | 5711fad | 2009-03-27 20:25:31 -0700 | [diff] [blame] | 1223 | pw.println("Locks acquired: " + mFullLocksAcquired + " full, " + |
Irfan Sheriff | 5876a42 | 2010-08-12 20:26:23 -0700 | [diff] [blame] | 1224 | mFullHighPerfLocksAcquired + " full high perf, " + |
Eric Shienbrood | 5711fad | 2009-03-27 20:25:31 -0700 | [diff] [blame] | 1225 | mScanLocksAcquired + " scan"); |
| 1226 | pw.println("Locks released: " + mFullLocksReleased + " full, " + |
Irfan Sheriff | 5876a42 | 2010-08-12 20:26:23 -0700 | [diff] [blame] | 1227 | mFullHighPerfLocksReleased + " full high perf, " + |
Eric Shienbrood | 5711fad | 2009-03-27 20:25:31 -0700 | [diff] [blame] | 1228 | mScanLocksReleased + " scan"); |
| 1229 | pw.println(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1230 | pw.println("Locks held:"); |
| 1231 | mLocks.dump(pw); |
Isaac Levy | bc7dfb5 | 2011-06-06 15:34:01 -0700 | [diff] [blame] | 1232 | |
Irfan Sheriff | f0afe41 | 2012-11-30 14:07:44 -0800 | [diff] [blame] | 1233 | mWifiWatchdogStateMachine.dump(fd, pw, args); |
Isaac Levy | bc7dfb5 | 2011-06-06 15:34:01 -0700 | [diff] [blame] | 1234 | pw.println(); |
Irfan Sheriff | 6079237 | 2012-04-16 16:47:10 -0700 | [diff] [blame] | 1235 | mWifiStateMachine.dump(fd, pw, args); |
Irfan Sheriff | f0afe41 | 2012-11-30 14:07:44 -0800 | [diff] [blame] | 1236 | pw.println(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1237 | } |
| 1238 | |
Robert Greenwalt | 58ff021 | 2009-05-19 15:53:54 -0700 | [diff] [blame] | 1239 | private class WifiLock extends DeathRecipient { |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 1240 | WifiLock(int lockMode, String tag, IBinder binder, WorkSource ws) { |
| 1241 | super(lockMode, tag, binder, ws); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1242 | } |
| 1243 | |
| 1244 | public void binderDied() { |
| 1245 | synchronized (mLocks) { |
| 1246 | releaseWifiLockLocked(mBinder); |
| 1247 | } |
| 1248 | } |
| 1249 | |
| 1250 | public String toString() { |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1251 | return "WifiLock{" + mTag + " type=" + mMode + " binder=" + mBinder + "}"; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1252 | } |
| 1253 | } |
| 1254 | |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 1255 | class LockList { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1256 | private List<WifiLock> mList; |
| 1257 | |
| 1258 | private LockList() { |
| 1259 | mList = new ArrayList<WifiLock>(); |
| 1260 | } |
| 1261 | |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 1262 | synchronized boolean hasLocks() { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1263 | return !mList.isEmpty(); |
| 1264 | } |
| 1265 | |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 1266 | synchronized int getStrongestLockMode() { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1267 | if (mList.isEmpty()) { |
| 1268 | return WifiManager.WIFI_MODE_FULL; |
| 1269 | } |
Irfan Sheriff | 5876a42 | 2010-08-12 20:26:23 -0700 | [diff] [blame] | 1270 | |
| 1271 | if (mFullHighPerfLocksAcquired > mFullHighPerfLocksReleased) { |
| 1272 | return WifiManager.WIFI_MODE_FULL_HIGH_PERF; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1273 | } |
Irfan Sheriff | 5876a42 | 2010-08-12 20:26:23 -0700 | [diff] [blame] | 1274 | |
| 1275 | if (mFullLocksAcquired > mFullLocksReleased) { |
| 1276 | return WifiManager.WIFI_MODE_FULL; |
| 1277 | } |
| 1278 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1279 | return WifiManager.WIFI_MODE_SCAN_ONLY; |
| 1280 | } |
| 1281 | |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 1282 | synchronized void updateWorkSource(WorkSource ws) { |
| 1283 | for (int i = 0; i < mLocks.mList.size(); i++) { |
| 1284 | ws.add(mLocks.mList.get(i).mWorkSource); |
| 1285 | } |
| 1286 | } |
| 1287 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1288 | private void addLock(WifiLock lock) { |
| 1289 | if (findLockByBinder(lock.mBinder) < 0) { |
| 1290 | mList.add(lock); |
| 1291 | } |
| 1292 | } |
| 1293 | |
| 1294 | private WifiLock removeLock(IBinder binder) { |
| 1295 | int index = findLockByBinder(binder); |
| 1296 | if (index >= 0) { |
Suchi Amalapurapu | fff2fda | 2009-06-30 21:36:16 -0700 | [diff] [blame] | 1297 | WifiLock ret = mList.remove(index); |
| 1298 | ret.unlinkDeathRecipient(); |
| 1299 | return ret; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1300 | } else { |
| 1301 | return null; |
| 1302 | } |
| 1303 | } |
| 1304 | |
| 1305 | private int findLockByBinder(IBinder binder) { |
| 1306 | int size = mList.size(); |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 1307 | for (int i = size - 1; i >= 0; i--) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1308 | if (mList.get(i).mBinder == binder) |
| 1309 | return i; |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 1310 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1311 | return -1; |
| 1312 | } |
| 1313 | |
| 1314 | private void dump(PrintWriter pw) { |
| 1315 | for (WifiLock l : mList) { |
| 1316 | pw.print(" "); |
| 1317 | pw.println(l); |
| 1318 | } |
| 1319 | } |
| 1320 | } |
| 1321 | |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 1322 | void enforceWakeSourcePermission(int uid, int pid) { |
Dianne Hackborn | e746f03 | 2010-09-13 16:02:57 -0700 | [diff] [blame] | 1323 | if (uid == android.os.Process.myUid()) { |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 1324 | return; |
| 1325 | } |
| 1326 | mContext.enforcePermission(android.Manifest.permission.UPDATE_DEVICE_STATS, |
| 1327 | pid, uid, null); |
| 1328 | } |
| 1329 | |
| 1330 | 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] | 1331 | mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WAKE_LOCK, null); |
Irfan Sheriff | 5876a42 | 2010-08-12 20:26:23 -0700 | [diff] [blame] | 1332 | if (lockMode != WifiManager.WIFI_MODE_FULL && |
| 1333 | lockMode != WifiManager.WIFI_MODE_SCAN_ONLY && |
| 1334 | lockMode != WifiManager.WIFI_MODE_FULL_HIGH_PERF) { |
| 1335 | Slog.e(TAG, "Illegal argument, lockMode= " + lockMode); |
| 1336 | if (DBG) throw new IllegalArgumentException("lockMode=" + lockMode); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1337 | return false; |
| 1338 | } |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 1339 | if (ws != null && ws.size() == 0) { |
| 1340 | ws = null; |
| 1341 | } |
Dianne Hackborn | ecfd7f7 | 2010-10-08 14:23:40 -0700 | [diff] [blame] | 1342 | if (ws != null) { |
| 1343 | enforceWakeSourcePermission(Binder.getCallingUid(), Binder.getCallingPid()); |
| 1344 | } |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 1345 | if (ws == null) { |
| 1346 | ws = new WorkSource(Binder.getCallingUid()); |
| 1347 | } |
| 1348 | WifiLock wifiLock = new WifiLock(lockMode, tag, binder, ws); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1349 | synchronized (mLocks) { |
| 1350 | return acquireWifiLockLocked(wifiLock); |
| 1351 | } |
| 1352 | } |
| 1353 | |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 1354 | private void noteAcquireWifiLock(WifiLock wifiLock) throws RemoteException { |
| 1355 | switch(wifiLock.mMode) { |
| 1356 | case WifiManager.WIFI_MODE_FULL: |
Irfan Sheriff | 5876a42 | 2010-08-12 20:26:23 -0700 | [diff] [blame] | 1357 | case WifiManager.WIFI_MODE_FULL_HIGH_PERF: |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 1358 | case WifiManager.WIFI_MODE_SCAN_ONLY: |
Nick Pelly | 6ccaa54 | 2012-06-15 15:22:47 -0700 | [diff] [blame] | 1359 | mBatteryStats.noteFullWifiLockAcquiredFromSource(wifiLock.mWorkSource); |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 1360 | break; |
| 1361 | } |
| 1362 | } |
| 1363 | |
| 1364 | private void noteReleaseWifiLock(WifiLock wifiLock) throws RemoteException { |
| 1365 | switch(wifiLock.mMode) { |
| 1366 | case WifiManager.WIFI_MODE_FULL: |
Irfan Sheriff | 5876a42 | 2010-08-12 20:26:23 -0700 | [diff] [blame] | 1367 | case WifiManager.WIFI_MODE_FULL_HIGH_PERF: |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 1368 | case WifiManager.WIFI_MODE_SCAN_ONLY: |
Nick Pelly | 6ccaa54 | 2012-06-15 15:22:47 -0700 | [diff] [blame] | 1369 | mBatteryStats.noteFullWifiLockReleasedFromSource(wifiLock.mWorkSource); |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 1370 | break; |
| 1371 | } |
| 1372 | } |
| 1373 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1374 | private boolean acquireWifiLockLocked(WifiLock wifiLock) { |
Irfan Sheriff | c89dd54 | 2010-09-28 08:40:54 -0700 | [diff] [blame] | 1375 | if (DBG) Slog.d(TAG, "acquireWifiLockLocked: " + wifiLock); |
Robert Greenwalt | f1acb2d | 2009-10-13 08:20:55 -0700 | [diff] [blame] | 1376 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1377 | mLocks.addLock(wifiLock); |
Robert Greenwalt | f1acb2d | 2009-10-13 08:20:55 -0700 | [diff] [blame] | 1378 | |
The Android Open Source Project | 1059253 | 2009-03-18 17:39:46 -0700 | [diff] [blame] | 1379 | long ident = Binder.clearCallingIdentity(); |
| 1380 | try { |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 1381 | noteAcquireWifiLock(wifiLock); |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1382 | switch(wifiLock.mMode) { |
Eric Shienbrood | 5711fad | 2009-03-27 20:25:31 -0700 | [diff] [blame] | 1383 | case WifiManager.WIFI_MODE_FULL: |
| 1384 | ++mFullLocksAcquired; |
Eric Shienbrood | 5711fad | 2009-03-27 20:25:31 -0700 | [diff] [blame] | 1385 | break; |
Irfan Sheriff | 5876a42 | 2010-08-12 20:26:23 -0700 | [diff] [blame] | 1386 | case WifiManager.WIFI_MODE_FULL_HIGH_PERF: |
| 1387 | ++mFullHighPerfLocksAcquired; |
| 1388 | break; |
| 1389 | |
Eric Shienbrood | 5711fad | 2009-03-27 20:25:31 -0700 | [diff] [blame] | 1390 | case WifiManager.WIFI_MODE_SCAN_ONLY: |
| 1391 | ++mScanLocksAcquired; |
Eric Shienbrood | 5711fad | 2009-03-27 20:25:31 -0700 | [diff] [blame] | 1392 | break; |
The Android Open Source Project | 1059253 | 2009-03-18 17:39:46 -0700 | [diff] [blame] | 1393 | } |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 1394 | mWifiController.sendMessage(CMD_LOCKS_CHANGED); |
Dianne Hackborn | ecfd7f7 | 2010-10-08 14:23:40 -0700 | [diff] [blame] | 1395 | return true; |
The Android Open Source Project | 1059253 | 2009-03-18 17:39:46 -0700 | [diff] [blame] | 1396 | } catch (RemoteException e) { |
Dianne Hackborn | ecfd7f7 | 2010-10-08 14:23:40 -0700 | [diff] [blame] | 1397 | return false; |
The Android Open Source Project | 1059253 | 2009-03-18 17:39:46 -0700 | [diff] [blame] | 1398 | } finally { |
| 1399 | Binder.restoreCallingIdentity(ident); |
| 1400 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1401 | } |
| 1402 | |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 1403 | public void updateWifiLockWorkSource(IBinder lock, WorkSource ws) { |
| 1404 | int uid = Binder.getCallingUid(); |
| 1405 | int pid = Binder.getCallingPid(); |
| 1406 | if (ws != null && ws.size() == 0) { |
| 1407 | ws = null; |
| 1408 | } |
| 1409 | if (ws != null) { |
| 1410 | enforceWakeSourcePermission(uid, pid); |
| 1411 | } |
| 1412 | long ident = Binder.clearCallingIdentity(); |
| 1413 | try { |
| 1414 | synchronized (mLocks) { |
| 1415 | int index = mLocks.findLockByBinder(lock); |
| 1416 | if (index < 0) { |
| 1417 | throw new IllegalArgumentException("Wifi lock not active"); |
| 1418 | } |
| 1419 | WifiLock wl = mLocks.mList.get(index); |
| 1420 | noteReleaseWifiLock(wl); |
| 1421 | wl.mWorkSource = ws != null ? new WorkSource(ws) : new WorkSource(uid); |
| 1422 | noteAcquireWifiLock(wl); |
| 1423 | } |
| 1424 | } catch (RemoteException e) { |
| 1425 | } finally { |
| 1426 | Binder.restoreCallingIdentity(ident); |
| 1427 | } |
| 1428 | } |
| 1429 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1430 | public boolean releaseWifiLock(IBinder lock) { |
| 1431 | mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WAKE_LOCK, null); |
| 1432 | synchronized (mLocks) { |
| 1433 | return releaseWifiLockLocked(lock); |
| 1434 | } |
| 1435 | } |
| 1436 | |
| 1437 | private boolean releaseWifiLockLocked(IBinder lock) { |
Eric Shienbrood | d4c5f89 | 2009-03-24 18:13:20 -0700 | [diff] [blame] | 1438 | boolean hadLock; |
Robert Greenwalt | f1acb2d | 2009-10-13 08:20:55 -0700 | [diff] [blame] | 1439 | |
The Android Open Source Project | 1059253 | 2009-03-18 17:39:46 -0700 | [diff] [blame] | 1440 | WifiLock wifiLock = mLocks.removeLock(lock); |
Robert Greenwalt | f1acb2d | 2009-10-13 08:20:55 -0700 | [diff] [blame] | 1441 | |
Irfan Sheriff | c89dd54 | 2010-09-28 08:40:54 -0700 | [diff] [blame] | 1442 | if (DBG) Slog.d(TAG, "releaseWifiLockLocked: " + wifiLock); |
Robert Greenwalt | f1acb2d | 2009-10-13 08:20:55 -0700 | [diff] [blame] | 1443 | |
Eric Shienbrood | d4c5f89 | 2009-03-24 18:13:20 -0700 | [diff] [blame] | 1444 | hadLock = (wifiLock != null); |
| 1445 | |
Dianne Hackborn | ecfd7f7 | 2010-10-08 14:23:40 -0700 | [diff] [blame] | 1446 | long ident = Binder.clearCallingIdentity(); |
| 1447 | try { |
| 1448 | if (hadLock) { |
Wink Saville | ce0ea1f | 2011-10-13 16:55:20 -0700 | [diff] [blame] | 1449 | noteReleaseWifiLock(wifiLock); |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1450 | switch(wifiLock.mMode) { |
Eric Shienbrood | 5711fad | 2009-03-27 20:25:31 -0700 | [diff] [blame] | 1451 | case WifiManager.WIFI_MODE_FULL: |
| 1452 | ++mFullLocksReleased; |
Eric Shienbrood | 5711fad | 2009-03-27 20:25:31 -0700 | [diff] [blame] | 1453 | break; |
Irfan Sheriff | 5876a42 | 2010-08-12 20:26:23 -0700 | [diff] [blame] | 1454 | case WifiManager.WIFI_MODE_FULL_HIGH_PERF: |
| 1455 | ++mFullHighPerfLocksReleased; |
| 1456 | break; |
Eric Shienbrood | 5711fad | 2009-03-27 20:25:31 -0700 | [diff] [blame] | 1457 | case WifiManager.WIFI_MODE_SCAN_ONLY: |
| 1458 | ++mScanLocksReleased; |
Eric Shienbrood | 5711fad | 2009-03-27 20:25:31 -0700 | [diff] [blame] | 1459 | break; |
Eric Shienbrood | d4c5f89 | 2009-03-24 18:13:20 -0700 | [diff] [blame] | 1460 | } |
Irfan Sheriff | 11aefad | 2013-03-06 07:57:41 -0800 | [diff] [blame] | 1461 | mWifiController.sendMessage(CMD_LOCKS_CHANGED); |
The Android Open Source Project | 1059253 | 2009-03-18 17:39:46 -0700 | [diff] [blame] | 1462 | } |
Dianne Hackborn | ecfd7f7 | 2010-10-08 14:23:40 -0700 | [diff] [blame] | 1463 | } catch (RemoteException e) { |
| 1464 | } finally { |
| 1465 | Binder.restoreCallingIdentity(ident); |
The Android Open Source Project | 1059253 | 2009-03-18 17:39:46 -0700 | [diff] [blame] | 1466 | } |
Dianne Hackborn | ecfd7f7 | 2010-10-08 14:23:40 -0700 | [diff] [blame] | 1467 | |
Eric Shienbrood | d4c5f89 | 2009-03-24 18:13:20 -0700 | [diff] [blame] | 1468 | return hadLock; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1469 | } |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1470 | |
Robert Greenwalt | 58ff021 | 2009-05-19 15:53:54 -0700 | [diff] [blame] | 1471 | private abstract class DeathRecipient |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1472 | implements IBinder.DeathRecipient { |
| 1473 | String mTag; |
| 1474 | int mMode; |
| 1475 | IBinder mBinder; |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 1476 | WorkSource mWorkSource; |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1477 | |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 1478 | DeathRecipient(int mode, String tag, IBinder binder, WorkSource ws) { |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1479 | super(); |
| 1480 | mTag = tag; |
| 1481 | mMode = mode; |
| 1482 | mBinder = binder; |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 1483 | mWorkSource = ws; |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1484 | try { |
| 1485 | mBinder.linkToDeath(this, 0); |
| 1486 | } catch (RemoteException e) { |
| 1487 | binderDied(); |
| 1488 | } |
| 1489 | } |
Suchi Amalapurapu | fff2fda | 2009-06-30 21:36:16 -0700 | [diff] [blame] | 1490 | |
| 1491 | void unlinkDeathRecipient() { |
| 1492 | mBinder.unlinkToDeath(this, 0); |
| 1493 | } |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1494 | } |
| 1495 | |
Robert Greenwalt | 58ff021 | 2009-05-19 15:53:54 -0700 | [diff] [blame] | 1496 | private class Multicaster extends DeathRecipient { |
| 1497 | Multicaster(String tag, IBinder binder) { |
Dianne Hackborn | 7e9f4eb | 2010-09-10 18:43:00 -0700 | [diff] [blame] | 1498 | super(Binder.getCallingUid(), tag, binder, null); |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1499 | } |
| 1500 | |
| 1501 | public void binderDied() { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 1502 | Slog.e(TAG, "Multicaster binderDied"); |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1503 | synchronized (mMulticasters) { |
| 1504 | int i = mMulticasters.indexOf(this); |
| 1505 | if (i != -1) { |
| 1506 | removeMulticasterLocked(i, mMode); |
| 1507 | } |
| 1508 | } |
| 1509 | } |
| 1510 | |
| 1511 | public String toString() { |
Robert Greenwalt | 58ff021 | 2009-05-19 15:53:54 -0700 | [diff] [blame] | 1512 | return "Multicaster{" + mTag + " binder=" + mBinder + "}"; |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1513 | } |
| 1514 | |
| 1515 | public int getUid() { |
| 1516 | return mMode; |
| 1517 | } |
| 1518 | } |
| 1519 | |
Robert Greenwalt | e2d155a | 2009-10-21 14:58:34 -0700 | [diff] [blame] | 1520 | public void initializeMulticastFiltering() { |
| 1521 | enforceMulticastChangePermission(); |
Irfan Sheriff | a8fbe1f | 2010-03-09 09:13:58 -0800 | [diff] [blame] | 1522 | |
Robert Greenwalt | e2d155a | 2009-10-21 14:58:34 -0700 | [diff] [blame] | 1523 | synchronized (mMulticasters) { |
| 1524 | // if anybody had requested filters be off, leave off |
| 1525 | if (mMulticasters.size() != 0) { |
| 1526 | return; |
| 1527 | } else { |
Irfan Sheriff | b0c1b80f | 2011-07-19 15:44:25 -0700 | [diff] [blame] | 1528 | mWifiStateMachine.startFilteringMulticastV4Packets(); |
Robert Greenwalt | e2d155a | 2009-10-21 14:58:34 -0700 | [diff] [blame] | 1529 | } |
| 1530 | } |
| 1531 | } |
| 1532 | |
Robert Greenwalt | fc1b15c | 2009-05-22 15:09:51 -0700 | [diff] [blame] | 1533 | public void acquireMulticastLock(IBinder binder, String tag) { |
| 1534 | enforceMulticastChangePermission(); |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1535 | |
| 1536 | synchronized (mMulticasters) { |
| 1537 | mMulticastEnabled++; |
Robert Greenwalt | 58ff021 | 2009-05-19 15:53:54 -0700 | [diff] [blame] | 1538 | mMulticasters.add(new Multicaster(tag, binder)); |
Irfan Sheriff | b0c1b80f | 2011-07-19 15:44:25 -0700 | [diff] [blame] | 1539 | // Note that we could call stopFilteringMulticastV4Packets only when |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1540 | // our new size == 1 (first call), but this function won't |
| 1541 | // be called often and by making the stopPacket call each |
| 1542 | // time we're less fragile and self-healing. |
Irfan Sheriff | b0c1b80f | 2011-07-19 15:44:25 -0700 | [diff] [blame] | 1543 | mWifiStateMachine.stopFilteringMulticastV4Packets(); |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1544 | } |
| 1545 | |
| 1546 | int uid = Binder.getCallingUid(); |
You Kim | 2bea585 | 2012-10-23 22:56:51 +0900 | [diff] [blame] | 1547 | final long ident = Binder.clearCallingIdentity(); |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1548 | try { |
| 1549 | mBatteryStats.noteWifiMulticastEnabled(uid); |
| 1550 | } catch (RemoteException e) { |
| 1551 | } finally { |
| 1552 | Binder.restoreCallingIdentity(ident); |
| 1553 | } |
| 1554 | } |
| 1555 | |
Robert Greenwalt | fc1b15c | 2009-05-22 15:09:51 -0700 | [diff] [blame] | 1556 | public void releaseMulticastLock() { |
| 1557 | enforceMulticastChangePermission(); |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1558 | |
| 1559 | int uid = Binder.getCallingUid(); |
| 1560 | synchronized (mMulticasters) { |
| 1561 | mMulticastDisabled++; |
| 1562 | int size = mMulticasters.size(); |
| 1563 | for (int i = size - 1; i >= 0; i--) { |
Robert Greenwalt | 58ff021 | 2009-05-19 15:53:54 -0700 | [diff] [blame] | 1564 | Multicaster m = mMulticasters.get(i); |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1565 | if ((m != null) && (m.getUid() == uid)) { |
| 1566 | removeMulticasterLocked(i, uid); |
| 1567 | } |
| 1568 | } |
| 1569 | } |
| 1570 | } |
| 1571 | |
| 1572 | private void removeMulticasterLocked(int i, int uid) |
| 1573 | { |
Suchi Amalapurapu | fff2fda | 2009-06-30 21:36:16 -0700 | [diff] [blame] | 1574 | Multicaster removed = mMulticasters.remove(i); |
Irfan Sheriff | a8fbe1f | 2010-03-09 09:13:58 -0800 | [diff] [blame] | 1575 | |
Suchi Amalapurapu | fff2fda | 2009-06-30 21:36:16 -0700 | [diff] [blame] | 1576 | if (removed != null) { |
| 1577 | removed.unlinkDeathRecipient(); |
| 1578 | } |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1579 | if (mMulticasters.size() == 0) { |
Irfan Sheriff | b0c1b80f | 2011-07-19 15:44:25 -0700 | [diff] [blame] | 1580 | mWifiStateMachine.startFilteringMulticastV4Packets(); |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1581 | } |
| 1582 | |
You Kim | 2bea585 | 2012-10-23 22:56:51 +0900 | [diff] [blame] | 1583 | final long ident = Binder.clearCallingIdentity(); |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1584 | try { |
| 1585 | mBatteryStats.noteWifiMulticastDisabled(uid); |
| 1586 | } catch (RemoteException e) { |
| 1587 | } finally { |
| 1588 | Binder.restoreCallingIdentity(ident); |
| 1589 | } |
| 1590 | } |
| 1591 | |
Robert Greenwalt | 58ff021 | 2009-05-19 15:53:54 -0700 | [diff] [blame] | 1592 | public boolean isMulticastEnabled() { |
Robert Greenwalt | 5347bd4 | 2009-05-13 15:10:16 -0700 | [diff] [blame] | 1593 | enforceAccessPermission(); |
| 1594 | |
| 1595 | synchronized (mMulticasters) { |
| 1596 | return (mMulticasters.size() > 0); |
| 1597 | } |
| 1598 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1599 | } |