WifiServiceImpl.java revision 1ecb0083490436303cdb89bc4c46b6743ea0afa8
1155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande/* 2155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * Copyright (C) 2010 The Android Open Source Project 3155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * 4155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * Licensed under the Apache License, Version 2.0 (the "License"); 5155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * you may not use this file except in compliance with the License. 6155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * You may obtain a copy of the License at 7155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * 8155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * http://www.apache.org/licenses/LICENSE-2.0 9155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * 10155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * Unless required by applicable law or agreed to in writing, software 11155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * distributed under the License is distributed on an "AS IS" BASIS, 12155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * See the License for the specific language governing permissions and 14155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * limitations under the License. 15155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande */ 16155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 17155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandepackage com.android.server.wifi; 18155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 19155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport android.app.ActivityManager; 20155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport android.app.AppOpsManager; 21155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport android.bluetooth.BluetoothAdapter; 22155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport android.content.BroadcastReceiver; 23155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport android.content.Context; 24155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport android.content.Intent; 25155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport android.content.IntentFilter; 26155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport android.content.pm.PackageManager; 27fd5470391e5342daa38d00b68ccbccfeacbe6d33Alexandra Gherghinaimport android.content.pm.UserInfo; 28155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport android.database.ContentObserver; 29155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport android.net.DhcpInfo; 30155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport android.net.DhcpResults; 313ecf5a032e94b6538a56f94a5b33e50cbc464007Jaewan Kimimport android.net.IpConfiguration.ProxySettings; 32155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport android.net.LinkAddress; 33155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport android.net.NetworkUtils; 34155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport android.net.RouteInfo; 35b872cd1d58e1666a9066b136e28c49ed62f825edJaewan Kimimport android.net.wifi.BatchedScanResult; 36b872cd1d58e1666a9066b136e28c49ed62f825edJaewan Kimimport android.net.wifi.BatchedScanSettings; 373ecf5a032e94b6538a56f94a5b33e50cbc464007Jaewan Kimimport android.net.wifi.IWifiManager; 383ecf5a032e94b6538a56f94a5b33e50cbc464007Jaewan Kimimport android.net.wifi.ScanResult; 39a0009d14075b5345b8f916c3fb3f2260c938cb9dYuhao Zhengimport android.net.wifi.ScanSettings; 40a632d8a6edd350c7644b593b18eceaa5b368505bVinit Deshpandeimport android.net.wifi.WifiAdapter; 41a0009d14075b5345b8f916c3fb3f2260c938cb9dYuhao Zhengimport android.net.wifi.WifiChannel; 42155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport android.net.wifi.WifiConfiguration; 43155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport android.net.wifi.WifiInfo; 44155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport android.net.wifi.WifiManager; 453ecf5a032e94b6538a56f94a5b33e50cbc464007Jaewan Kimimport android.os.AsyncTask; 46155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport android.os.Binder; 47155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport android.os.Handler; 48155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport android.os.HandlerThread; 49155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport android.os.IBinder; 50155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport android.os.Message; 513ecf5a032e94b6538a56f94a5b33e50cbc464007Jaewan Kimimport android.os.Messenger; 52155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport android.os.RemoteException; 53155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport android.os.SystemProperties; 54155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport android.os.UserHandle; 55fd5470391e5342daa38d00b68ccbccfeacbe6d33Alexandra Gherghinaimport android.os.UserManager; 56155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport android.os.WorkSource; 57155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport android.provider.Settings; 58992ae00f25a9cc22cf5db3261bd7e72927069cf7vandwalleimport android.util.Log; 59155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport android.util.Slog; 60155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 61155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport java.io.FileNotFoundException; 62155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport java.io.BufferedReader; 63155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport java.io.FileDescriptor; 64155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport java.io.FileReader; 65155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport java.io.IOException; 66155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport java.io.PrintWriter; 67155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport java.lang.Override; 68155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport java.net.InetAddress; 69155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport java.net.Inet4Address; 70155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport java.util.ArrayList; 71155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport java.util.List; 72155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 73155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport com.android.internal.R; 74155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport com.android.internal.app.IBatteryStats; 75155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport com.android.internal.telephony.TelephonyIntents; 76155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport com.android.internal.util.AsyncChannel; 77155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport com.android.server.am.BatteryStatsService; 78a0009d14075b5345b8f916c3fb3f2260c938cb9dYuhao Zheng 79155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport static com.android.server.wifi.WifiController.CMD_AIRPLANE_TOGGLED; 80155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport static com.android.server.wifi.WifiController.CMD_BATTERY_CHANGED; 81155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport static com.android.server.wifi.WifiController.CMD_EMERGENCY_MODE_CHANGED; 82155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport static com.android.server.wifi.WifiController.CMD_LOCKS_CHANGED; 83155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport static com.android.server.wifi.WifiController.CMD_SCAN_ALWAYS_MODE_CHANGED; 84155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport static com.android.server.wifi.WifiController.CMD_SCREEN_OFF; 85155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport static com.android.server.wifi.WifiController.CMD_SCREEN_ON; 86155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport static com.android.server.wifi.WifiController.CMD_SET_AP; 87155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport static com.android.server.wifi.WifiController.CMD_USER_PRESENT; 88155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeimport static com.android.server.wifi.WifiController.CMD_WIFI_TOGGLED; 89155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande/** 90155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * WifiService handles remote WiFi operation requests by implementing 91155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * the IWifiManager interface. 92155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * 93155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * @hide 94155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande */ 95155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandepublic final class WifiServiceImpl extends IWifiManager.Stub { 96155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private static final String TAG = "WifiService"; 97f22d23092ab37286a5ef9d257d5bb32c421d2669vandwalle private static final boolean DBG = true; 98155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 99155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande final WifiStateMachine mWifiStateMachine; 100155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 101155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private final Context mContext; 102155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 103155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande final LockList mLocks = new LockList(); 104155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande // some wifi lock statistics 105155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private int mFullHighPerfLocksAcquired; 106155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private int mFullHighPerfLocksReleased; 107155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private int mFullLocksAcquired; 108155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private int mFullLocksReleased; 109155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private int mScanLocksAcquired; 110155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private int mScanLocksReleased; 111155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 112155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private final List<Multicaster> mMulticasters = 113155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande new ArrayList<Multicaster>(); 114155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private int mMulticastEnabled; 115155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private int mMulticastDisabled; 116155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 117155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private final IBatteryStats mBatteryStats; 118155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private final AppOpsManager mAppOps; 119155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 120155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private String mInterfaceName; 121155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 122155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /* Tracks the open wi-fi network notification */ 123155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private WifiNotificationController mNotificationController; 124155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /* Polls traffic stats and notifies clients */ 125155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private WifiTrafficPoller mTrafficPoller; 126155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /* Tracks the persisted states for wi-fi & airplane mode */ 127155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande final WifiSettingsStore mSettingsStore; 128155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 129155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande final boolean mBatchedScanSupported; 130155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 131155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /** 132155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * Asynchronous channel to WifiStateMachine 133155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande */ 134155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private AsyncChannel mWifiStateMachineChannel; 135155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 136155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /** 137155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * Handles client connections 138155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande */ 139155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private class ClientHandler extends Handler { 140155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 141155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande ClientHandler(android.os.Looper looper) { 142155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande super(looper); 143155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 144155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 145155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande @Override 146155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public void handleMessage(Message msg) { 147155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande switch (msg.what) { 148155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande case AsyncChannel.CMD_CHANNEL_HALF_CONNECTED: { 149155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (msg.arg1 == AsyncChannel.STATUS_SUCCESSFUL) { 150155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (DBG) Slog.d(TAG, "New client listening to asynchronous messages"); 151155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande // We track the clients by the Messenger 152155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande // since it is expected to be always available 153155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mTrafficPoller.addClient(msg.replyTo); 154155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } else { 155155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande Slog.e(TAG, "Client connection failure, error=" + msg.arg1); 156155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 157155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande break; 158155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 159155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande case AsyncChannel.CMD_CHANNEL_DISCONNECTED: { 160155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (msg.arg1 == AsyncChannel.STATUS_SEND_UNSUCCESSFUL) { 161155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (DBG) Slog.d(TAG, "Send failed, client connection lost"); 162155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } else { 163155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (DBG) Slog.d(TAG, "Client connection lost with reason: " + msg.arg1); 164155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 165155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mTrafficPoller.removeClient(msg.replyTo); 166155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande break; 167155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 168155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande case AsyncChannel.CMD_CHANNEL_FULL_CONNECTION: { 169155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande AsyncChannel ac = new AsyncChannel(); 170155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande ac.connect(mContext, this, msg.replyTo); 171155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande break; 172155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 173155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /* Client commands are forwarded to state machine */ 174155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande case WifiManager.CONNECT_NETWORK: 175155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande case WifiManager.SAVE_NETWORK: { 176155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande WifiConfiguration config = (WifiConfiguration) msg.obj; 177155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande int networkId = msg.arg1; 178992ae00f25a9cc22cf5db3261bd7e72927069cf7vandwalle if (msg.what == WifiManager.SAVE_NETWORK) { 179992ae00f25a9cc22cf5db3261bd7e72927069cf7vandwalle if (config != null) { 180992ae00f25a9cc22cf5db3261bd7e72927069cf7vandwalle if (config.networkId == WifiConfiguration.INVALID_NETWORK_ID) { 181992ae00f25a9cc22cf5db3261bd7e72927069cf7vandwalle config.creatorUid = Binder.getCallingUid(); 182992ae00f25a9cc22cf5db3261bd7e72927069cf7vandwalle } else { 183992ae00f25a9cc22cf5db3261bd7e72927069cf7vandwalle config.lastUpdateUid = Binder.getCallingUid(); 184992ae00f25a9cc22cf5db3261bd7e72927069cf7vandwalle } 185992ae00f25a9cc22cf5db3261bd7e72927069cf7vandwalle } 186992ae00f25a9cc22cf5db3261bd7e72927069cf7vandwalle Slog.e("WiFiServiceImpl ", "SAVE" 187992ae00f25a9cc22cf5db3261bd7e72927069cf7vandwalle + " nid=" + Integer.toString(networkId) 188992ae00f25a9cc22cf5db3261bd7e72927069cf7vandwalle + " uid=" + Integer.toString(config.creatorUid) 189992ae00f25a9cc22cf5db3261bd7e72927069cf7vandwalle + "/" + Integer.toString(config.lastUpdateUid)); 190992ae00f25a9cc22cf5db3261bd7e72927069cf7vandwalle } 191992ae00f25a9cc22cf5db3261bd7e72927069cf7vandwalle if (msg.what == WifiManager.CONNECT_NETWORK) { 192992ae00f25a9cc22cf5db3261bd7e72927069cf7vandwalle if (config != null) { 193992ae00f25a9cc22cf5db3261bd7e72927069cf7vandwalle if (config.networkId == WifiConfiguration.INVALID_NETWORK_ID) { 194992ae00f25a9cc22cf5db3261bd7e72927069cf7vandwalle config.creatorUid = Binder.getCallingUid(); 195992ae00f25a9cc22cf5db3261bd7e72927069cf7vandwalle } else { 196992ae00f25a9cc22cf5db3261bd7e72927069cf7vandwalle config.lastUpdateUid = Binder.getCallingUid(); 197992ae00f25a9cc22cf5db3261bd7e72927069cf7vandwalle } 198992ae00f25a9cc22cf5db3261bd7e72927069cf7vandwalle } 199992ae00f25a9cc22cf5db3261bd7e72927069cf7vandwalle Slog.e("WiFiServiceImpl ", "CONNECT " 200992ae00f25a9cc22cf5db3261bd7e72927069cf7vandwalle + " nid=" + Integer.toString(networkId) 201992ae00f25a9cc22cf5db3261bd7e72927069cf7vandwalle + " uid=" + Binder.getCallingUid()); 202992ae00f25a9cc22cf5db3261bd7e72927069cf7vandwalle } 203155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (config != null && config.isValid()) { 20464c98f4afda6c7970c5d563580165a308d5e7c15Jason Monk if (DBG) Slog.d(TAG, "Connect with config" + config); 20564c98f4afda6c7970c5d563580165a308d5e7c15Jason Monk mWifiStateMachine.sendMessage(Message.obtain(msg)); 206155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } else if (config == null 207155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande && networkId != WifiConfiguration.INVALID_NETWORK_ID) { 208155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (DBG) Slog.d(TAG, "Connect with networkId" + networkId); 209155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWifiStateMachine.sendMessage(Message.obtain(msg)); 210155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } else { 211155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande Slog.e(TAG, "ClientHandler.handleMessage ignoring invalid msg=" + msg); 212155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (msg.what == WifiManager.CONNECT_NETWORK) { 213c35d728a15e9270f5642ef79f5245c89d749285fSky Faber replyFailed(msg, WifiManager.CONNECT_NETWORK_FAILED, 214c35d728a15e9270f5642ef79f5245c89d749285fSky Faber WifiManager.INVALID_ARGS); 215155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } else { 216c35d728a15e9270f5642ef79f5245c89d749285fSky Faber replyFailed(msg, WifiManager.SAVE_NETWORK_FAILED, 217c35d728a15e9270f5642ef79f5245c89d749285fSky Faber WifiManager.INVALID_ARGS); 218155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 219155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 220155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande break; 221155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 222155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande case WifiManager.FORGET_NETWORK: 223155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande case WifiManager.START_WPS: 224155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande case WifiManager.CANCEL_WPS: 225155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande case WifiManager.DISABLE_NETWORK: 226155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande case WifiManager.RSSI_PKTCNT_FETCH: { 227155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWifiStateMachine.sendMessage(Message.obtain(msg)); 228155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande break; 229155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 230155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande default: { 231155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande Slog.d(TAG, "ClientHandler.handleMessage ignoring msg=" + msg); 232155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande break; 233155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 234155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 235155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 236155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 237c35d728a15e9270f5642ef79f5245c89d749285fSky Faber private void replyFailed(Message msg, int what, int why) { 238155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande Message reply = msg.obtain(); 239155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande reply.what = what; 240c35d728a15e9270f5642ef79f5245c89d749285fSky Faber reply.arg1 = why; 241155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande try { 242155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande msg.replyTo.send(reply); 243155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } catch (RemoteException e) { 244155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande // There's not much we can do if reply can't be sent! 245155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 246155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 247155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 248155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private ClientHandler mClientHandler; 249155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 250155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /** 251155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * Handles interaction with WifiStateMachine 252155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande */ 253155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private class WifiStateMachineHandler extends Handler { 254155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private AsyncChannel mWsmChannel; 255155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 256155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande WifiStateMachineHandler(android.os.Looper looper) { 257155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande super(looper); 258155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWsmChannel = new AsyncChannel(); 259155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWsmChannel.connect(mContext, this, mWifiStateMachine.getHandler()); 260155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 261155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 262155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande @Override 263155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public void handleMessage(Message msg) { 264155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande switch (msg.what) { 265155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande case AsyncChannel.CMD_CHANNEL_HALF_CONNECTED: { 266155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (msg.arg1 == AsyncChannel.STATUS_SUCCESSFUL) { 267155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWifiStateMachineChannel = mWsmChannel; 268155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } else { 269155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande Slog.e(TAG, "WifiStateMachine connection failure, error=" + msg.arg1); 270155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWifiStateMachineChannel = null; 271155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 272155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande break; 273155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 274155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande case AsyncChannel.CMD_CHANNEL_DISCONNECTED: { 275155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande Slog.e(TAG, "WifiStateMachine channel lost, msg.arg1 =" + msg.arg1); 276155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWifiStateMachineChannel = null; 277155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande //Re-establish connection to state machine 278155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWsmChannel.connect(mContext, this, mWifiStateMachine.getHandler()); 279155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande break; 280155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 281155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande default: { 282155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande Slog.d(TAG, "WifiStateMachineHandler.handleMessage ignoring msg=" + msg); 283155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande break; 284155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 285155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 286155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 287155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 288155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 289155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande WifiStateMachineHandler mWifiStateMachineHandler; 290155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 291155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private WifiWatchdogStateMachine mWifiWatchdogStateMachine; 292155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 293155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private WifiController mWifiController; 294155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 295155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public WifiServiceImpl(Context context) { 296155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mContext = context; 297155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 298155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mInterfaceName = SystemProperties.get("wifi.interface", "wlan0"); 299155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 300f22d23092ab37286a5ef9d257d5bb32c421d2669vandwalle mTrafficPoller = new WifiTrafficPoller(mContext, mInterfaceName); 301f22d23092ab37286a5ef9d257d5bb32c421d2669vandwalle mWifiStateMachine = new WifiStateMachine(mContext, mInterfaceName, mTrafficPoller); 302155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWifiStateMachine.enableRssiPolling(true); 303155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mBatteryStats = BatteryStatsService.getService(); 304155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mAppOps = (AppOpsManager)context.getSystemService(Context.APP_OPS_SERVICE); 305155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 306155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mNotificationController = new WifiNotificationController(mContext, mWifiStateMachine); 307155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mSettingsStore = new WifiSettingsStore(mContext); 308155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 309155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande HandlerThread wifiThread = new HandlerThread("WifiService"); 310155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande wifiThread.start(); 311155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mClientHandler = new ClientHandler(wifiThread.getLooper()); 312155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWifiStateMachineHandler = new WifiStateMachineHandler(wifiThread.getLooper()); 313155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWifiController = new WifiController(mContext, this, wifiThread.getLooper()); 314155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 315155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mBatchedScanSupported = mContext.getResources().getBoolean( 316155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande R.bool.config_wifi_batched_scan_supported); 3171c28bb29cb19367d5e3bdbe6d8558d0fd4b8f33eVinit Deshapnde } 3181c28bb29cb19367d5e3bdbe6d8558d0fd4b8f33eVinit Deshapnde 3191c28bb29cb19367d5e3bdbe6d8558d0fd4b8f33eVinit Deshapnde 3201c28bb29cb19367d5e3bdbe6d8558d0fd4b8f33eVinit Deshapnde /** 3211c28bb29cb19367d5e3bdbe6d8558d0fd4b8f33eVinit Deshapnde * Check if Wi-Fi needs to be enabled and start 3221c28bb29cb19367d5e3bdbe6d8558d0fd4b8f33eVinit Deshapnde * if needed 3231c28bb29cb19367d5e3bdbe6d8558d0fd4b8f33eVinit Deshapnde * 3241c28bb29cb19367d5e3bdbe6d8558d0fd4b8f33eVinit Deshapnde * This function is used only at boot time 3251c28bb29cb19367d5e3bdbe6d8558d0fd4b8f33eVinit Deshapnde */ 3261c28bb29cb19367d5e3bdbe6d8558d0fd4b8f33eVinit Deshapnde public void checkAndStartWifi() { 3271c28bb29cb19367d5e3bdbe6d8558d0fd4b8f33eVinit Deshapnde /* Check if wi-fi needs to be enabled */ 3281c28bb29cb19367d5e3bdbe6d8558d0fd4b8f33eVinit Deshapnde boolean wifiEnabled = mSettingsStore.isWifiToggleEnabled(); 3291c28bb29cb19367d5e3bdbe6d8558d0fd4b8f33eVinit Deshapnde Slog.i(TAG, "WifiService starting up with Wi-Fi " + 3301c28bb29cb19367d5e3bdbe6d8558d0fd4b8f33eVinit Deshapnde (wifiEnabled ? "enabled" : "disabled")); 331155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 332155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande registerForScanModeChange(); 333155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mContext.registerReceiver( 334155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande new BroadcastReceiver() { 335155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande @Override 336155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public void onReceive(Context context, Intent intent) { 337155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (mSettingsStore.handleAirplaneModeToggled()) { 338155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWifiController.sendMessage(CMD_AIRPLANE_TOGGLED); 339155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 340155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 341155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande }, 342155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande new IntentFilter(Intent.ACTION_AIRPLANE_MODE_CHANGED)); 343155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 344155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande // Adding optimizations of only receiving broadcasts when wifi is enabled 345155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande // can result in race conditions when apps toggle wifi in the background 346155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande // without active user involvement. Always receive broadcasts. 347155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande registerForBroadcasts(); 348155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 3491c28bb29cb19367d5e3bdbe6d8558d0fd4b8f33eVinit Deshapnde mWifiController.start(); 350155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 351155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande // If we are already disabled (could be due to airplane mode), avoid changing persist 352155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande // state here 353155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (wifiEnabled) setWifiEnabled(wifiEnabled); 354155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 355155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWifiWatchdogStateMachine = WifiWatchdogStateMachine. 356569b093c4afd30787308032c8259af2680a2874fNavtej Singh Mann makeWifiWatchdogStateMachine(mContext, mWifiStateMachine.getMessenger()); 357155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 358155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 359155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /** 360155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * see {@link android.net.wifi.WifiManager#pingSupplicant()} 361155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * @return {@code true} if the operation succeeds, {@code false} otherwise 362155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande */ 363155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public boolean pingSupplicant() { 364155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande enforceAccessPermission(); 365155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (mWifiStateMachineChannel != null) { 366155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return mWifiStateMachine.syncPingSupplicant(mWifiStateMachineChannel); 367155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } else { 368155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande Slog.e(TAG, "mWifiStateMachineChannel is not initialized"); 369155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return false; 370155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 371155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 372155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 373155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /** 374a0009d14075b5345b8f916c3fb3f2260c938cb9dYuhao Zheng * see {@link android.net.wifi.WifiManager#getChannelList} 375a0009d14075b5345b8f916c3fb3f2260c938cb9dYuhao Zheng */ 376a0009d14075b5345b8f916c3fb3f2260c938cb9dYuhao Zheng public List<WifiChannel> getChannelList() { 377a0009d14075b5345b8f916c3fb3f2260c938cb9dYuhao Zheng enforceAccessPermission(); 378a0009d14075b5345b8f916c3fb3f2260c938cb9dYuhao Zheng if (mWifiStateMachineChannel != null) { 379a0009d14075b5345b8f916c3fb3f2260c938cb9dYuhao Zheng return mWifiStateMachine.syncGetChannelList(mWifiStateMachineChannel); 380a0009d14075b5345b8f916c3fb3f2260c938cb9dYuhao Zheng } else { 381a0009d14075b5345b8f916c3fb3f2260c938cb9dYuhao Zheng Slog.e(TAG, "mWifiStateMachineChannel is not initialized"); 382a0009d14075b5345b8f916c3fb3f2260c938cb9dYuhao Zheng return null; 383a0009d14075b5345b8f916c3fb3f2260c938cb9dYuhao Zheng } 384a0009d14075b5345b8f916c3fb3f2260c938cb9dYuhao Zheng } 385a0009d14075b5345b8f916c3fb3f2260c938cb9dYuhao Zheng 386a0009d14075b5345b8f916c3fb3f2260c938cb9dYuhao Zheng /** 387a0009d14075b5345b8f916c3fb3f2260c938cb9dYuhao Zheng * see {@link android.net.wifi.WifiManager#startScan} 388a0009d14075b5345b8f916c3fb3f2260c938cb9dYuhao Zheng * and {@link android.net.wifi.WifiManager#startCustomizedScan} 389155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * 390a0009d14075b5345b8f916c3fb3f2260c938cb9dYuhao Zheng * @param settings If null, use default parameter, i.e. full scan. 391a0009d14075b5345b8f916c3fb3f2260c938cb9dYuhao Zheng * @param workSource If null, all blame is given to the calling uid. 392155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande */ 393a0009d14075b5345b8f916c3fb3f2260c938cb9dYuhao Zheng public void startScan(ScanSettings settings, WorkSource workSource) { 394155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande enforceChangePermission(); 395a0009d14075b5345b8f916c3fb3f2260c938cb9dYuhao Zheng if (settings != null) { 396a0009d14075b5345b8f916c3fb3f2260c938cb9dYuhao Zheng // TODO: should be removed once the startCustomizedScan API is opened up 397a0009d14075b5345b8f916c3fb3f2260c938cb9dYuhao Zheng mContext.enforceCallingOrSelfPermission(android.Manifest.permission.LOCATION_HARDWARE, 398a0009d14075b5345b8f916c3fb3f2260c938cb9dYuhao Zheng "LocationHardware"); 399a0009d14075b5345b8f916c3fb3f2260c938cb9dYuhao Zheng settings = new ScanSettings(settings); 400a0009d14075b5345b8f916c3fb3f2260c938cb9dYuhao Zheng if (!settings.isValid()) { 401a0009d14075b5345b8f916c3fb3f2260c938cb9dYuhao Zheng Slog.e(TAG, "invalid scan setting"); 402a0009d14075b5345b8f916c3fb3f2260c938cb9dYuhao Zheng return; 403a0009d14075b5345b8f916c3fb3f2260c938cb9dYuhao Zheng } 404a0009d14075b5345b8f916c3fb3f2260c938cb9dYuhao Zheng } 405155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (workSource != null) { 406155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande enforceWorkSourcePermission(); 407155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande // WifiManager currently doesn't use names, so need to clear names out of the 408155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande // supplied WorkSource to allow future WorkSource combining. 409155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande workSource.clearNames(); 410155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 411a0009d14075b5345b8f916c3fb3f2260c938cb9dYuhao Zheng mWifiStateMachine.startScan(Binder.getCallingUid(), settings, workSource); 412155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 413155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 414155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private class BatchedScanRequest extends DeathRecipient { 415155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande final BatchedScanSettings settings; 416155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande final int uid; 417155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande final int pid; 418155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande final WorkSource workSource; 419155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 420155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande BatchedScanRequest(BatchedScanSettings settings, IBinder binder, WorkSource ws) { 421155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande super(0, null, binder, null); 422155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande this.settings = settings; 423155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande this.uid = getCallingUid(); 424155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande this.pid = getCallingPid(); 425155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande workSource = ws; 426155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 427155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public void binderDied() { 428155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande stopBatchedScan(settings, uid, pid); 429155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 430155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public String toString() { 431155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return "BatchedScanRequest{settings=" + settings + ", binder=" + mBinder + "}"; 432155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 433155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 434155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public boolean isSameApp(int uid, int pid) { 435155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return (this.uid == uid && this.pid == pid); 436155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 437155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 438155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 439155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private final List<BatchedScanRequest> mBatchedScanners = new ArrayList<BatchedScanRequest>(); 440155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 441155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public boolean isBatchedScanSupported() { 442155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return mBatchedScanSupported; 443155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 444155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 445155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public void pollBatchedScan() { 446155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande enforceChangePermission(); 447155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (mBatchedScanSupported == false) return; 448155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWifiStateMachine.requestBatchedScanPoll(); 449155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 450155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 4513f7ef65ab71619040032aee96b5599849881d6fdAndres Morales public String getWpsNfcConfigurationToken(int netId) { 452f3f4029b3ac41da4cc6a1bc22bae47c750a47048Andres Morales enforceConnectivityInternalPermission(); 4533f7ef65ab71619040032aee96b5599849881d6fdAndres Morales return mWifiStateMachine.syncGetWpsNfcConfigurationToken(netId); 4543f7ef65ab71619040032aee96b5599849881d6fdAndres Morales } 4553f7ef65ab71619040032aee96b5599849881d6fdAndres Morales 456155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /** 457155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * see {@link android.net.wifi.WifiManager#requestBatchedScan()} 458155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande */ 459155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public boolean requestBatchedScan(BatchedScanSettings requested, IBinder binder, 460155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande WorkSource workSource) { 461155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande enforceChangePermission(); 462155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (workSource != null) { 463155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande enforceWorkSourcePermission(); 464155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande // WifiManager currently doesn't use names, so need to clear names out of the 465155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande // supplied WorkSource to allow future WorkSource combining. 466155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande workSource.clearNames(); 467155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 468155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (mBatchedScanSupported == false) return false; 469155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande requested = new BatchedScanSettings(requested); 470155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (requested.isInvalid()) return false; 471155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande BatchedScanRequest r = new BatchedScanRequest(requested, binder, workSource); 472155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande synchronized(mBatchedScanners) { 473155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mBatchedScanners.add(r); 474155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande resolveBatchedScannersLocked(); 475155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 476155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return true; 477155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 478155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 479155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public List<BatchedScanResult> getBatchedScanResults(String callingPackage) { 480155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande enforceAccessPermission(); 481155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (mBatchedScanSupported == false) return new ArrayList<BatchedScanResult>(); 482155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande int uid = Binder.getCallingUid(); 4831ecb0083490436303cdb89bc4c46b6743ea0afa8Sky Faber int userId = UserHandle.getCallingUserId(); 484155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande long ident = Binder.clearCallingIdentity(); 485155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande try { 486155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (mAppOps.noteOp(AppOpsManager.OP_WIFI_SCAN, uid, callingPackage) 487155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande != AppOpsManager.MODE_ALLOWED) { 488155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return new ArrayList<BatchedScanResult>(); 489155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 4901ecb0083490436303cdb89bc4c46b6743ea0afa8Sky Faber if (!isCurrentProfile(userId)) { 4911ecb0083490436303cdb89bc4c46b6743ea0afa8Sky Faber return new ArrayList<BatchedScanResult>(); 4921ecb0083490436303cdb89bc4c46b6743ea0afa8Sky Faber } 493fd5470391e5342daa38d00b68ccbccfeacbe6d33Alexandra Gherghina return mWifiStateMachine.syncGetBatchedScanResultsList(); 494155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } finally { 495155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande Binder.restoreCallingIdentity(ident); 496155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 497155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 498155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 499155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public void stopBatchedScan(BatchedScanSettings settings) { 500155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande enforceChangePermission(); 501155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (mBatchedScanSupported == false) return; 502155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande stopBatchedScan(settings, getCallingUid(), getCallingPid()); 503155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 504155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 505155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private void stopBatchedScan(BatchedScanSettings settings, int uid, int pid) { 506155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande ArrayList<BatchedScanRequest> found = new ArrayList<BatchedScanRequest>(); 507155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande synchronized(mBatchedScanners) { 508155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande for (BatchedScanRequest r : mBatchedScanners) { 509155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (r.isSameApp(uid, pid) && (settings == null || settings.equals(r.settings))) { 510155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande found.add(r); 511155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (settings != null) break; 512155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 513155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 514155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande for (BatchedScanRequest r : found) { 515155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mBatchedScanners.remove(r); 516155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 517155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (found.size() != 0) { 518155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande resolveBatchedScannersLocked(); 519155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 520155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 521155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 522155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 523155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private void resolveBatchedScannersLocked() { 524155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande BatchedScanSettings setting = new BatchedScanSettings(); 525155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande WorkSource responsibleWorkSource = null; 526155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande int responsibleUid = 0; 527155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande double responsibleCsph = 0; // Channel Scans Per Hour 528155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 529155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (mBatchedScanners.size() == 0) { 530155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWifiStateMachine.setBatchedScanSettings(null, 0, 0, null); 531155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return; 532155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 533155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande for (BatchedScanRequest r : mBatchedScanners) { 534155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande BatchedScanSettings s = r.settings; 535155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 536155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande // evaluate responsibility 537155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande int currentChannelCount; 538155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande int currentScanInterval; 539155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande double currentCsph; 540155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 541155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (s.channelSet == null || s.channelSet.isEmpty()) { 542155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande // all channels - 11 B and 9 A channels roughly. 543155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande currentChannelCount = 9 + 11; 544155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } else { 545155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande currentChannelCount = s.channelSet.size(); 546155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande // these are rough est - no real need to correct for reg-domain; 547155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (s.channelSet.contains("A")) currentChannelCount += (9 - 1); 548155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (s.channelSet.contains("B")) currentChannelCount += (11 - 1); 549155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 550155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 551155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (s.scanIntervalSec == BatchedScanSettings.UNSPECIFIED) { 552155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande currentScanInterval = BatchedScanSettings.DEFAULT_INTERVAL_SEC; 553155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } else { 554155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande currentScanInterval = s.scanIntervalSec; 555155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 556155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande currentCsph = 60 * 60 * currentChannelCount / currentScanInterval; 557155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 558155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (currentCsph > responsibleCsph) { 559155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande responsibleUid = r.uid; 560155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande responsibleWorkSource = r.workSource; 561155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande responsibleCsph = currentCsph; 562155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 563155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 564155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (s.maxScansPerBatch != BatchedScanSettings.UNSPECIFIED && 565155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande s.maxScansPerBatch < setting.maxScansPerBatch) { 566155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande setting.maxScansPerBatch = s.maxScansPerBatch; 567155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 568155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (s.maxApPerScan != BatchedScanSettings.UNSPECIFIED && 569155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande (setting.maxApPerScan == BatchedScanSettings.UNSPECIFIED || 570155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande s.maxApPerScan > setting.maxApPerScan)) { 571155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande setting.maxApPerScan = s.maxApPerScan; 572155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 573155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (s.scanIntervalSec != BatchedScanSettings.UNSPECIFIED && 574155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande s.scanIntervalSec < setting.scanIntervalSec) { 575155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande setting.scanIntervalSec = s.scanIntervalSec; 576155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 577155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (s.maxApForDistance != BatchedScanSettings.UNSPECIFIED && 578155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande (setting.maxApForDistance == BatchedScanSettings.UNSPECIFIED || 579155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande s.maxApForDistance > setting.maxApForDistance)) { 580155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande setting.maxApForDistance = s.maxApForDistance; 581155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 582155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (s.channelSet != null && s.channelSet.size() != 0) { 583155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (setting.channelSet == null || setting.channelSet.size() != 0) { 584155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (setting.channelSet == null) setting.channelSet = new ArrayList<String>(); 585155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande for (String i : s.channelSet) { 586155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (setting.channelSet.contains(i) == false) setting.channelSet.add(i); 587155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 588155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } // else, ignore the constraint - we already use all channels 589155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } else { 590155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (setting.channelSet == null || setting.channelSet.size() != 0) { 591155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande setting.channelSet = new ArrayList<String>(); 592155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 593155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 594155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 595155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 596155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande setting.constrain(); 597155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWifiStateMachine.setBatchedScanSettings(setting, responsibleUid, (int)responsibleCsph, 598155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande responsibleWorkSource); 599155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 600155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 601155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private void enforceAccessPermission() { 602155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mContext.enforceCallingOrSelfPermission(android.Manifest.permission.ACCESS_WIFI_STATE, 603a632d8a6edd350c7644b593b18eceaa5b368505bVinit Deshpande "WifiService"); 604155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 605155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 606155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private void enforceChangePermission() { 607155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mContext.enforceCallingOrSelfPermission(android.Manifest.permission.CHANGE_WIFI_STATE, 608155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande "WifiService"); 609155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 610155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 611155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 612155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private void enforceWorkSourcePermission() { 613155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mContext.enforceCallingPermission(android.Manifest.permission.UPDATE_DEVICE_STATS, 614a632d8a6edd350c7644b593b18eceaa5b368505bVinit Deshpande "WifiService"); 615155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 616155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 617155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 618155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private void enforceMulticastChangePermission() { 619155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mContext.enforceCallingOrSelfPermission( 620155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande android.Manifest.permission.CHANGE_WIFI_MULTICAST_STATE, 621155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande "WifiService"); 622155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 623155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 624155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private void enforceConnectivityInternalPermission() { 625155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mContext.enforceCallingOrSelfPermission( 626155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande android.Manifest.permission.CONNECTIVITY_INTERNAL, 627155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande "ConnectivityService"); 628155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 629155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 630155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /** 631155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * see {@link android.net.wifi.WifiManager#setWifiEnabled(boolean)} 632155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * @param enable {@code true} to enable, {@code false} to disable. 633155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * @return {@code true} if the enable/disable operation was 634155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * started or is already in the queue. 635155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande */ 636155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public synchronized boolean setWifiEnabled(boolean enable) { 637155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande enforceChangePermission(); 638155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande Slog.d(TAG, "setWifiEnabled: " + enable + " pid=" + Binder.getCallingPid() 639155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande + ", uid=" + Binder.getCallingUid()); 640155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (DBG) { 641155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande Slog.e(TAG, "Invoking mWifiStateMachine.setWifiEnabled\n"); 642155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 643155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 644155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /* 645155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * Caller might not have WRITE_SECURE_SETTINGS, 646155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * only CHANGE_WIFI_STATE is enforced 647155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande */ 648155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 649155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande long ident = Binder.clearCallingIdentity(); 650155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande try { 651155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (! mSettingsStore.handleWifiToggled(enable)) { 652155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande // Nothing to do if wifi cannot be toggled 653155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return true; 654155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 655155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } finally { 656155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande Binder.restoreCallingIdentity(ident); 657155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 658155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 659155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWifiController.sendMessage(CMD_WIFI_TOGGLED); 660155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return true; 661155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 662155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 663155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /** 664155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * see {@link WifiManager#getWifiState()} 665155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * @return One of {@link WifiManager#WIFI_STATE_DISABLED}, 666155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * {@link WifiManager#WIFI_STATE_DISABLING}, 667155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * {@link WifiManager#WIFI_STATE_ENABLED}, 668155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * {@link WifiManager#WIFI_STATE_ENABLING}, 669155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * {@link WifiManager#WIFI_STATE_UNKNOWN} 670155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande */ 671155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public int getWifiEnabledState() { 672155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande enforceAccessPermission(); 673155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return mWifiStateMachine.syncGetWifiState(); 674155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 675155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 676155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /** 677155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * see {@link android.net.wifi.WifiManager#setWifiApEnabled(WifiConfiguration, boolean)} 678155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * @param wifiConfig SSID, security and channel details as 679155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * part of WifiConfiguration 680155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * @param enabled true to enable and false to disable 681155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande */ 682155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public void setWifiApEnabled(WifiConfiguration wifiConfig, boolean enabled) { 683155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande enforceChangePermission(); 68413cddb5337418359eb5f9bebd0504fbc5c47fc41Julia Reynolds UserManager um = UserManager.get(mContext); 68513cddb5337418359eb5f9bebd0504fbc5c47fc41Julia Reynolds if (um.hasUserRestriction(UserManager.DISALLOW_CONFIG_TETHERING)) { 68613cddb5337418359eb5f9bebd0504fbc5c47fc41Julia Reynolds throw new SecurityException("DISALLOW_CONFIG_TETHERING is enabled for this user."); 68713cddb5337418359eb5f9bebd0504fbc5c47fc41Julia Reynolds } 688155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande // null wifiConfig is a meaningful input for CMD_SET_AP 689155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (wifiConfig == null || wifiConfig.isValid()) { 690155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWifiController.obtainMessage(CMD_SET_AP, enabled ? 1 : 0, 0, wifiConfig).sendToTarget(); 691155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } else { 692155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande Slog.e(TAG, "Invalid WifiConfiguration"); 693155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 694155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 695155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 696155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /** 697155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * see {@link WifiManager#getWifiApState()} 698155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * @return One of {@link WifiManager#WIFI_AP_STATE_DISABLED}, 699155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * {@link WifiManager#WIFI_AP_STATE_DISABLING}, 700155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * {@link WifiManager#WIFI_AP_STATE_ENABLED}, 701155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * {@link WifiManager#WIFI_AP_STATE_ENABLING}, 702155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * {@link WifiManager#WIFI_AP_STATE_FAILED} 703155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande */ 704155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public int getWifiApEnabledState() { 705155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande enforceAccessPermission(); 706155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return mWifiStateMachine.syncGetWifiApState(); 707155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 708155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 709155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /** 710155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * see {@link WifiManager#getWifiApConfiguration()} 711155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * @return soft access point configuration 712155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande */ 713155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public WifiConfiguration getWifiApConfiguration() { 714155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande enforceAccessPermission(); 715155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return mWifiStateMachine.syncGetWifiApConfiguration(); 716155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 717155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 718155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /** 719155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * see {@link WifiManager#setWifiApConfiguration(WifiConfiguration)} 720155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * @param wifiConfig WifiConfiguration details for soft access point 721155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande */ 722155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public void setWifiApConfiguration(WifiConfiguration wifiConfig) { 723155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande enforceChangePermission(); 724155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (wifiConfig == null) 725155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return; 726155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (wifiConfig.isValid()) { 727155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWifiStateMachine.setWifiApConfiguration(wifiConfig); 728155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } else { 729155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande Slog.e(TAG, "Invalid WifiConfiguration"); 730155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 731155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 732155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 733155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /** 734155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * @param enable {@code true} to enable, {@code false} to disable. 735155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * @return {@code true} if the enable/disable operation was 736155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * started or is already in the queue. 737155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande */ 738155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public boolean isScanAlwaysAvailable() { 739155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande enforceAccessPermission(); 740155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return mSettingsStore.isScanAlwaysAvailable(); 741155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 742155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 743155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /** 744155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * see {@link android.net.wifi.WifiManager#disconnect()} 745155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande */ 746155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public void disconnect() { 747155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande enforceChangePermission(); 748155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWifiStateMachine.disconnectCommand(); 749155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 750155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 751155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /** 752155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * see {@link android.net.wifi.WifiManager#reconnect()} 753155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande */ 754155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public void reconnect() { 755155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande enforceChangePermission(); 756155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWifiStateMachine.reconnectCommand(); 757155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 758155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 759155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /** 760155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * see {@link android.net.wifi.WifiManager#reassociate()} 761155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande */ 762155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public void reassociate() { 763155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande enforceChangePermission(); 764155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWifiStateMachine.reassociateCommand(); 765155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 766155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 767155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /** 768a632d8a6edd350c7644b593b18eceaa5b368505bVinit Deshpande * see {@link android.net.wifi.WifiManager#getAdaptors} 769a632d8a6edd350c7644b593b18eceaa5b368505bVinit Deshpande */ 770a632d8a6edd350c7644b593b18eceaa5b368505bVinit Deshpande public List<WifiAdapter> getAdaptors() { 771a632d8a6edd350c7644b593b18eceaa5b368505bVinit Deshpande enforceAccessPermission(); 772a632d8a6edd350c7644b593b18eceaa5b368505bVinit Deshpande if (mWifiStateMachineChannel != null) { 773a632d8a6edd350c7644b593b18eceaa5b368505bVinit Deshpande return mWifiStateMachine.syncGetAdaptors(mWifiStateMachineChannel); 774a632d8a6edd350c7644b593b18eceaa5b368505bVinit Deshpande } else { 775a632d8a6edd350c7644b593b18eceaa5b368505bVinit Deshpande Slog.e(TAG, "mWifiStateMachineChannel is not initialized"); 776a632d8a6edd350c7644b593b18eceaa5b368505bVinit Deshpande return null; 777a632d8a6edd350c7644b593b18eceaa5b368505bVinit Deshpande } 778a632d8a6edd350c7644b593b18eceaa5b368505bVinit Deshpande } 779a632d8a6edd350c7644b593b18eceaa5b368505bVinit Deshpande 780a632d8a6edd350c7644b593b18eceaa5b368505bVinit Deshpande /** 781155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * see {@link android.net.wifi.WifiManager#getConfiguredNetworks()} 782155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * @return the list of configured networks 783155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande */ 784155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public List<WifiConfiguration> getConfiguredNetworks() { 785155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande enforceAccessPermission(); 786155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (mWifiStateMachineChannel != null) { 787155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return mWifiStateMachine.syncGetConfiguredNetworks(mWifiStateMachineChannel); 788155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } else { 789155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande Slog.e(TAG, "mWifiStateMachineChannel is not initialized"); 790155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return null; 791155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 792155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 793155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 794155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /** 795155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * see {@link android.net.wifi.WifiManager#addOrUpdateNetwork(WifiConfiguration)} 796155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * @return the supplicant-assigned identifier for the new or updated 797155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * network if the operation succeeds, or {@code -1} if it fails 798155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande */ 799155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public int addOrUpdateNetwork(WifiConfiguration config) { 800155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande enforceChangePermission(); 801155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (config.isValid()) { 802992ae00f25a9cc22cf5db3261bd7e72927069cf7vandwalle //TODO: pass the Uid the WifiStateMachine as a message parameter 803992ae00f25a9cc22cf5db3261bd7e72927069cf7vandwalle Slog.e("addOrUpdateNetwork", " uid = " + Integer.toString(Binder.getCallingUid()) 804992ae00f25a9cc22cf5db3261bd7e72927069cf7vandwalle + " SSID " + config.SSID 805992ae00f25a9cc22cf5db3261bd7e72927069cf7vandwalle + " nid=" + Integer.toString(config.networkId)); 806992ae00f25a9cc22cf5db3261bd7e72927069cf7vandwalle if (config.networkId == WifiConfiguration.INVALID_NETWORK_ID) { 807992ae00f25a9cc22cf5db3261bd7e72927069cf7vandwalle config.creatorUid = Binder.getCallingUid(); 808992ae00f25a9cc22cf5db3261bd7e72927069cf7vandwalle } else { 809992ae00f25a9cc22cf5db3261bd7e72927069cf7vandwalle config.lastUpdateUid = Binder.getCallingUid(); 810992ae00f25a9cc22cf5db3261bd7e72927069cf7vandwalle } 811155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (mWifiStateMachineChannel != null) { 812155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return mWifiStateMachine.syncAddOrUpdateNetwork(mWifiStateMachineChannel, config); 813155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } else { 814155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande Slog.e(TAG, "mWifiStateMachineChannel is not initialized"); 815155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return -1; 816155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 817155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } else { 818155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande Slog.e(TAG, "bad network configuration"); 819155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return -1; 820155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 821155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 822155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 823155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /** 824155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * See {@link android.net.wifi.WifiManager#removeNetwork(int)} 825155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * @param netId the integer that identifies the network configuration 826155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * to the supplicant 827155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * @return {@code true} if the operation succeeded 828155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande */ 829155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public boolean removeNetwork(int netId) { 830155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande enforceChangePermission(); 831c35d728a15e9270f5642ef79f5245c89d749285fSky Faber 832155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (mWifiStateMachineChannel != null) { 833155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return mWifiStateMachine.syncRemoveNetwork(mWifiStateMachineChannel, netId); 834155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } else { 835155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande Slog.e(TAG, "mWifiStateMachineChannel is not initialized"); 836155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return false; 837155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 838155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 839155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 840155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /** 841155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * See {@link android.net.wifi.WifiManager#enableNetwork(int, boolean)} 842155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * @param netId the integer that identifies the network configuration 843155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * to the supplicant 844155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * @param disableOthers if true, disable all other networks. 845155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * @return {@code true} if the operation succeeded 846155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande */ 847155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public boolean enableNetwork(int netId, boolean disableOthers) { 848155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande enforceChangePermission(); 849155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (mWifiStateMachineChannel != null) { 850155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return mWifiStateMachine.syncEnableNetwork(mWifiStateMachineChannel, netId, 851155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande disableOthers); 852155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } else { 853155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande Slog.e(TAG, "mWifiStateMachineChannel is not initialized"); 854155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return false; 855155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 856155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 857155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 858155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /** 859155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * See {@link android.net.wifi.WifiManager#disableNetwork(int)} 860155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * @param netId the integer that identifies the network configuration 861155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * to the supplicant 862155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * @return {@code true} if the operation succeeded 863155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande */ 864155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public boolean disableNetwork(int netId) { 865155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande enforceChangePermission(); 866155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (mWifiStateMachineChannel != null) { 867155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return mWifiStateMachine.syncDisableNetwork(mWifiStateMachineChannel, netId); 868155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } else { 869155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande Slog.e(TAG, "mWifiStateMachineChannel is not initialized"); 870155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return false; 871155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 872155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 873155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 874155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /** 875155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * See {@link android.net.wifi.WifiManager#getConnectionInfo()} 876155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * @return the Wi-Fi information, contained in {@link WifiInfo}. 877155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande */ 878155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public WifiInfo getConnectionInfo() { 879155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande enforceAccessPermission(); 880155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /* 881155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * Make sure we have the latest information, by sending 882155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * a status request to the supplicant. 883155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande */ 884155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return mWifiStateMachine.syncRequestConnectionInfo(); 885155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 886155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 887155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /** 888155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * Return the results of the most recent access point scan, in the form of 889155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * a list of {@link ScanResult} objects. 890155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * @return the list of results 891155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande */ 892155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public List<ScanResult> getScanResults(String callingPackage) { 893155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande enforceAccessPermission(); 894155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande int userId = UserHandle.getCallingUserId(); 895155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande int uid = Binder.getCallingUid(); 896155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande long ident = Binder.clearCallingIdentity(); 897155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande try { 898155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (mAppOps.noteOp(AppOpsManager.OP_WIFI_SCAN, uid, callingPackage) 899155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande != AppOpsManager.MODE_ALLOWED) { 900155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return new ArrayList<ScanResult>(); 901155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 9021ecb0083490436303cdb89bc4c46b6743ea0afa8Sky Faber if (!isCurrentProfile(userId)) { 9031ecb0083490436303cdb89bc4c46b6743ea0afa8Sky Faber return new ArrayList<ScanResult>(); 9041ecb0083490436303cdb89bc4c46b6743ea0afa8Sky Faber } 905fd5470391e5342daa38d00b68ccbccfeacbe6d33Alexandra Gherghina return mWifiStateMachine.syncGetScanResultsList(); 906155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } finally { 907155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande Binder.restoreCallingIdentity(ident); 908155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 909155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 910155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 911155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /** 912b59f69faf9e3de740bbe1e55cef70e9e22858c2aKenny Guy * Returns true if the calling user is the current one or a profile of the 913b59f69faf9e3de740bbe1e55cef70e9e22858c2aKenny Guy * current user.. 914fd5470391e5342daa38d00b68ccbccfeacbe6d33Alexandra Gherghina */ 9151ecb0083490436303cdb89bc4c46b6743ea0afa8Sky Faber private boolean isCurrentProfile(int userId) { 916fd5470391e5342daa38d00b68ccbccfeacbe6d33Alexandra Gherghina int currentUser = ActivityManager.getCurrentUser(); 917fd5470391e5342daa38d00b68ccbccfeacbe6d33Alexandra Gherghina if (userId == currentUser) { 918fd5470391e5342daa38d00b68ccbccfeacbe6d33Alexandra Gherghina return true; 919fd5470391e5342daa38d00b68ccbccfeacbe6d33Alexandra Gherghina } 920b59f69faf9e3de740bbe1e55cef70e9e22858c2aKenny Guy List<UserInfo> profiles = UserManager.get(mContext).getProfiles(currentUser); 921b59f69faf9e3de740bbe1e55cef70e9e22858c2aKenny Guy for (UserInfo user : profiles) { 922b59f69faf9e3de740bbe1e55cef70e9e22858c2aKenny Guy if (userId == user.id) { 923fd5470391e5342daa38d00b68ccbccfeacbe6d33Alexandra Gherghina return true; 924fd5470391e5342daa38d00b68ccbccfeacbe6d33Alexandra Gherghina } 925fd5470391e5342daa38d00b68ccbccfeacbe6d33Alexandra Gherghina } 926fd5470391e5342daa38d00b68ccbccfeacbe6d33Alexandra Gherghina return false; 927fd5470391e5342daa38d00b68ccbccfeacbe6d33Alexandra Gherghina } 928fd5470391e5342daa38d00b68ccbccfeacbe6d33Alexandra Gherghina 929fd5470391e5342daa38d00b68ccbccfeacbe6d33Alexandra Gherghina /** 930155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * Tell the supplicant to persist the current list of configured networks. 931155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * @return {@code true} if the operation succeeded 932155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * 933155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * TODO: deprecate this 934155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande */ 935155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public boolean saveConfiguration() { 936155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande boolean result = true; 937155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande enforceChangePermission(); 938155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (mWifiStateMachineChannel != null) { 939155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return mWifiStateMachine.syncSaveConfig(mWifiStateMachineChannel); 940155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } else { 941155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande Slog.e(TAG, "mWifiStateMachineChannel is not initialized"); 942155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return false; 943155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 944155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 945155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 946155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /** 947155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * Set the country code 948155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * @param countryCode ISO 3166 country code. 949155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * @param persist {@code true} if the setting should be remembered. 950155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * 951155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * The persist behavior exists so that wifi can fall back to the last 952155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * persisted country code on a restart, when the locale information is 953155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * not available from telephony. 954155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande */ 955155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public void setCountryCode(String countryCode, boolean persist) { 956155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande Slog.i(TAG, "WifiService trying to set country code to " + countryCode + 957155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande " with persist set to " + persist); 9589c22c8ea193360f50ad490368ca6a11af0684362Robert Greenwalt enforceConnectivityInternalPermission(); 959155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande final long token = Binder.clearCallingIdentity(); 960155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande try { 961155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWifiStateMachine.setCountryCode(countryCode, persist); 962155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } finally { 963155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande Binder.restoreCallingIdentity(token); 964155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 965155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 966155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 967155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /** 968155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * Set the operational frequency band 969155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * @param band One of 970155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * {@link WifiManager#WIFI_FREQUENCY_BAND_AUTO}, 971155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * {@link WifiManager#WIFI_FREQUENCY_BAND_5GHZ}, 972155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * {@link WifiManager#WIFI_FREQUENCY_BAND_2GHZ}, 973155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * @param persist {@code true} if the setting should be remembered. 974155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * 975155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande */ 976155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public void setFrequencyBand(int band, boolean persist) { 977155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande enforceChangePermission(); 978155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (!isDualBandSupported()) return; 979155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande Slog.i(TAG, "WifiService trying to set frequency band to " + band + 980155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande " with persist set to " + persist); 981155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande final long token = Binder.clearCallingIdentity(); 982155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande try { 983155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWifiStateMachine.setFrequencyBand(band, persist); 984155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } finally { 985155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande Binder.restoreCallingIdentity(token); 986155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 987155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 988155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 989155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 990155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /** 991155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * Get the operational frequency band 992155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande */ 993155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public int getFrequencyBand() { 994155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande enforceAccessPermission(); 995155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return mWifiStateMachine.getFrequencyBand(); 996155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 997155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 998155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public boolean isDualBandSupported() { 999155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande //TODO: Should move towards adding a driver API that checks at runtime 1000155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return mContext.getResources().getBoolean( 1001155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande com.android.internal.R.bool.config_wifi_dual_band_support); 1002155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1003155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1004155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /** 1005155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * Return the DHCP-assigned addresses from the last successful DHCP request, 1006155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * if any. 1007155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * @return the DHCP information 1008155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * @deprecated 1009155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande */ 1010155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public DhcpInfo getDhcpInfo() { 1011155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande enforceAccessPermission(); 1012155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande DhcpResults dhcpResults = mWifiStateMachine.syncGetDhcpResults(); 1013155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (dhcpResults.linkProperties == null) return null; 1014155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1015155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande DhcpInfo info = new DhcpInfo(); 1016155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande for (LinkAddress la : dhcpResults.linkProperties.getLinkAddresses()) { 1017155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande InetAddress addr = la.getAddress(); 1018155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (addr instanceof Inet4Address) { 1019155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande info.ipAddress = NetworkUtils.inetAddressToInt((Inet4Address)addr); 1020155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande break; 1021155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1022155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1023155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande for (RouteInfo r : dhcpResults.linkProperties.getRoutes()) { 1024155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (r.isDefaultRoute()) { 1025155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande InetAddress gateway = r.getGateway(); 1026155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (gateway instanceof Inet4Address) { 1027155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande info.gateway = NetworkUtils.inetAddressToInt((Inet4Address)gateway); 1028155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1029155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } else if (r.hasGateway() == false) { 1030d05472bb94ecc9b870463a843313f2d852bcf5b8Sreeram Ramachandran LinkAddress dest = r.getDestinationLinkAddress(); 1031155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (dest.getAddress() instanceof Inet4Address) { 1032155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande info.netmask = NetworkUtils.prefixLengthToNetmaskInt( 1033155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande dest.getNetworkPrefixLength()); 1034155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1035155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1036155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1037155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande int dnsFound = 0; 103882d1c6aeadfa24797b314ae2b2a55717df064b57Robert Greenwalt for (InetAddress dns : dhcpResults.linkProperties.getDnsServers()) { 1039155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (dns instanceof Inet4Address) { 1040155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (dnsFound == 0) { 1041155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande info.dns1 = NetworkUtils.inetAddressToInt((Inet4Address)dns); 1042155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } else { 1043155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande info.dns2 = NetworkUtils.inetAddressToInt((Inet4Address)dns); 1044155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1045155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (++dnsFound > 1) break; 1046155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1047155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1048155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande InetAddress serverAddress = dhcpResults.serverAddress; 1049155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (serverAddress instanceof Inet4Address) { 1050155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande info.serverAddress = NetworkUtils.inetAddressToInt((Inet4Address)serverAddress); 1051155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1052155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande info.leaseDuration = dhcpResults.leaseDuration; 1053155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1054155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return info; 1055155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1056155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1057155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /** 1058155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * see {@link android.net.wifi.WifiManager#startWifi} 1059155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * 1060155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande */ 1061155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public void startWifi() { 1062155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande enforceConnectivityInternalPermission(); 1063155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /* TODO: may be add permissions for access only to connectivity service 1064155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * TODO: if a start issued, keep wifi alive until a stop issued irrespective 1065155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * of WifiLock & device idle status unless wifi enabled status is toggled 1066155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande */ 1067155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1068155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWifiStateMachine.setDriverStart(true); 1069155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWifiStateMachine.reconnectCommand(); 1070155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1071155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1072155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /** 1073155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * see {@link android.net.wifi.WifiManager#stopWifi} 1074155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * 1075155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande */ 1076155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public void stopWifi() { 1077155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande enforceConnectivityInternalPermission(); 1078155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /* 1079155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * TODO: if a stop is issued, wifi is brought up only by startWifi 1080155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * unless wifi enabled status is toggled 1081155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande */ 1082155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWifiStateMachine.setDriverStart(false); 1083155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1084155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1085155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /** 1086155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * see {@link android.net.wifi.WifiManager#addToBlacklist} 1087155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * 1088155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande */ 1089155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public void addToBlacklist(String bssid) { 1090155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande enforceChangePermission(); 1091155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1092155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWifiStateMachine.addToBlacklist(bssid); 1093155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1094155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1095155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /** 1096155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * see {@link android.net.wifi.WifiManager#clearBlacklist} 1097155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * 1098155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande */ 1099155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public void clearBlacklist() { 1100155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande enforceChangePermission(); 1101155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1102155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWifiStateMachine.clearBlacklist(); 1103155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1104155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1105155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /** 1106155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * enable TDLS for the local NIC to remote NIC 1107155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * The APPs don't know the remote MAC address to identify NIC though, 1108155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * so we need to do additional work to find it from remote IP address 1109155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande */ 1110155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1111155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande class TdlsTaskParams { 1112155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public String remoteIpAddress; 1113155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public boolean enable; 1114155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1115155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1116155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande class TdlsTask extends AsyncTask<TdlsTaskParams, Integer, Integer> { 1117155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande @Override 1118155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande protected Integer doInBackground(TdlsTaskParams... params) { 1119155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1120155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande // Retrieve parameters for the call 1121155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande TdlsTaskParams param = params[0]; 1122155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande String remoteIpAddress = param.remoteIpAddress.trim(); 1123155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande boolean enable = param.enable; 1124155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1125155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande // Get MAC address of Remote IP 1126155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande String macAddress = null; 1127155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1128155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande BufferedReader reader = null; 1129155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1130155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande try { 1131155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande reader = new BufferedReader(new FileReader("/proc/net/arp")); 1132155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1133155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande // Skip over the line bearing colum titles 1134155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande String line = reader.readLine(); 1135155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1136155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande while ((line = reader.readLine()) != null) { 1137155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande String[] tokens = line.split("[ ]+"); 1138155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (tokens.length < 6) { 1139155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande continue; 1140155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1141155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1142155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande // ARP column format is 1143155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande // Address HWType HWAddress Flags Mask IFace 1144155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande String ip = tokens[0]; 1145155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande String mac = tokens[3]; 1146155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1147155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (remoteIpAddress.equals(ip)) { 1148155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande macAddress = mac; 1149155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande break; 1150155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1151155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1152155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1153155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (macAddress == null) { 1154155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande Slog.w(TAG, "Did not find remoteAddress {" + remoteIpAddress + "} in " + 1155155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande "/proc/net/arp"); 1156155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } else { 1157155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande enableTdlsWithMacAddress(macAddress, enable); 1158155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1159155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1160155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } catch (FileNotFoundException e) { 1161155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande Slog.e(TAG, "Could not open /proc/net/arp to lookup mac address"); 1162155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } catch (IOException e) { 1163155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande Slog.e(TAG, "Could not read /proc/net/arp to lookup mac address"); 1164155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } finally { 1165155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande try { 1166155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (reader != null) { 1167155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande reader.close(); 1168155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1169155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1170155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande catch (IOException e) { 1171155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande // Do nothing 1172155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1173155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1174155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1175155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return 0; 1176155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1177155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1178155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1179155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public void enableTdls(String remoteAddress, boolean enable) { 1180155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande TdlsTaskParams params = new TdlsTaskParams(); 1181155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande params.remoteIpAddress = remoteAddress; 1182155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande params.enable = enable; 1183155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande new TdlsTask().execute(params); 1184155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1185155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1186155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1187155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public void enableTdlsWithMacAddress(String remoteMacAddress, boolean enable) { 1188155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWifiStateMachine.enableTdls(remoteMacAddress, enable); 1189155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1190155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1191155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /** 1192155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * Get a reference to handler. This is used by a client to establish 1193155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * an AsyncChannel communication with WifiService 1194155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande */ 1195155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public Messenger getWifiServiceMessenger() { 1196155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande enforceAccessPermission(); 1197155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande enforceChangePermission(); 1198155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return new Messenger(mClientHandler); 1199155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1200155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1201155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1202155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /** 1203155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * Get the IP and proxy configuration file 1204155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande */ 1205155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public String getConfigFile() { 1206155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande enforceAccessPermission(); 1207155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return mWifiStateMachine.getConfigFile(); 1208155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1209155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1210155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private final BroadcastReceiver mReceiver = new BroadcastReceiver() { 1211155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande @Override 1212155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public void onReceive(Context context, Intent intent) { 1213155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande String action = intent.getAction(); 1214155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (action.equals(Intent.ACTION_SCREEN_ON)) { 1215155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWifiController.sendMessage(CMD_SCREEN_ON); 1216155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } else if (action.equals(Intent.ACTION_USER_PRESENT)) { 1217155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWifiController.sendMessage(CMD_USER_PRESENT); 1218155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } else if (action.equals(Intent.ACTION_SCREEN_OFF)) { 1219155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWifiController.sendMessage(CMD_SCREEN_OFF); 1220155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } else if (action.equals(Intent.ACTION_BATTERY_CHANGED)) { 1221155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande int pluggedType = intent.getIntExtra("plugged", 0); 1222155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWifiController.sendMessage(CMD_BATTERY_CHANGED, pluggedType, 0, null); 1223155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } else if (action.equals(BluetoothAdapter.ACTION_CONNECTION_STATE_CHANGED)) { 1224155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande int state = intent.getIntExtra(BluetoothAdapter.EXTRA_CONNECTION_STATE, 1225155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande BluetoothAdapter.STATE_DISCONNECTED); 1226155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWifiStateMachine.sendBluetoothAdapterStateChange(state); 1227155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } else if (action.equals(TelephonyIntents.ACTION_EMERGENCY_CALLBACK_MODE_CHANGED)) { 1228155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande boolean emergencyMode = intent.getBooleanExtra("phoneinECMState", false); 1229155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWifiController.sendMessage(CMD_EMERGENCY_MODE_CHANGED, emergencyMode ? 1 : 0, 0); 1230155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1231155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1232155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande }; 1233155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1234155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /** 1235155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * Observes settings changes to scan always mode. 1236155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande */ 1237155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private void registerForScanModeChange() { 1238155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande ContentObserver contentObserver = new ContentObserver(null) { 1239155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande @Override 1240155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public void onChange(boolean selfChange) { 1241155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mSettingsStore.handleWifiScanAlwaysAvailableToggled(); 1242155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWifiController.sendMessage(CMD_SCAN_ALWAYS_MODE_CHANGED); 1243155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1244155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande }; 1245155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1246155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mContext.getContentResolver().registerContentObserver( 1247155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande Settings.Global.getUriFor(Settings.Global.WIFI_SCAN_ALWAYS_AVAILABLE), 1248155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande false, contentObserver); 1249155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1250155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1251155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private void registerForBroadcasts() { 1252155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande IntentFilter intentFilter = new IntentFilter(); 1253155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande intentFilter.addAction(Intent.ACTION_SCREEN_ON); 1254155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande intentFilter.addAction(Intent.ACTION_USER_PRESENT); 1255155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande intentFilter.addAction(Intent.ACTION_SCREEN_OFF); 1256155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande intentFilter.addAction(Intent.ACTION_BATTERY_CHANGED); 1257155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande intentFilter.addAction(WifiManager.NETWORK_STATE_CHANGED_ACTION); 1258155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande intentFilter.addAction(BluetoothAdapter.ACTION_CONNECTION_STATE_CHANGED); 1259155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande intentFilter.addAction(TelephonyIntents.ACTION_EMERGENCY_CALLBACK_MODE_CHANGED); 1260155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mContext.registerReceiver(mReceiver, intentFilter); 1261155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1262155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1263155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande @Override 1264155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 1265155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 1266155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande != PackageManager.PERMISSION_GRANTED) { 1267155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande pw.println("Permission Denial: can't dump WifiService from from pid=" 1268155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande + Binder.getCallingPid() 1269155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande + ", uid=" + Binder.getCallingUid()); 1270155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return; 1271155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1272155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande pw.println("Wi-Fi is " + mWifiStateMachine.syncGetWifiStateByName()); 1273155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande pw.println("Stay-awake conditions: " + 1274155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande Settings.Global.getInt(mContext.getContentResolver(), 1275155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0)); 1276155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande pw.println("mMulticastEnabled " + mMulticastEnabled); 1277155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande pw.println("mMulticastDisabled " + mMulticastDisabled); 1278155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWifiController.dump(fd, pw, args); 1279155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mSettingsStore.dump(fd, pw, args); 1280155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mNotificationController.dump(fd, pw, args); 1281155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mTrafficPoller.dump(fd, pw, args); 1282155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1283155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande pw.println("Latest scan results:"); 1284155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande List<ScanResult> scanResults = mWifiStateMachine.syncGetScanResultsList(); 1285155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (scanResults != null && scanResults.size() != 0) { 1286155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande pw.println(" BSSID Frequency RSSI Flags SSID"); 1287155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande for (ScanResult r : scanResults) { 1288155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande pw.printf(" %17s %9d %5d %-16s %s%n", 1289155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande r.BSSID, 1290155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande r.frequency, 1291155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande r.level, 1292155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande r.capabilities, 1293155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande r.SSID == null ? "" : r.SSID); 1294155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1295155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1296155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande pw.println(); 1297155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande pw.println("Locks acquired: " + mFullLocksAcquired + " full, " + 1298155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mFullHighPerfLocksAcquired + " full high perf, " + 1299155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mScanLocksAcquired + " scan"); 1300155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande pw.println("Locks released: " + mFullLocksReleased + " full, " + 1301155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mFullHighPerfLocksReleased + " full high perf, " + 1302155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mScanLocksReleased + " scan"); 1303155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande pw.println(); 1304155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande pw.println("Locks held:"); 1305155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mLocks.dump(pw); 1306155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1307155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWifiWatchdogStateMachine.dump(fd, pw, args); 1308155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande pw.println(); 1309155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWifiStateMachine.dump(fd, pw, args); 1310155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande pw.println(); 1311155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1312155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1313155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private class WifiLock extends DeathRecipient { 1314155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande WifiLock(int lockMode, String tag, IBinder binder, WorkSource ws) { 1315155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande super(lockMode, tag, binder, ws); 1316155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1317155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1318155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public void binderDied() { 1319155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande synchronized (mLocks) { 1320155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande releaseWifiLockLocked(mBinder); 1321155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1322155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1323155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1324155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public String toString() { 1325155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return "WifiLock{" + mTag + " type=" + mMode + " binder=" + mBinder + "}"; 1326155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1327155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1328155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1329155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande class LockList { 1330155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private List<WifiLock> mList; 1331155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1332155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private LockList() { 1333155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mList = new ArrayList<WifiLock>(); 1334155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1335155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1336155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande synchronized boolean hasLocks() { 1337155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return !mList.isEmpty(); 1338155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1339155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1340155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande synchronized int getStrongestLockMode() { 1341155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (mList.isEmpty()) { 1342155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return WifiManager.WIFI_MODE_FULL; 1343155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1344155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1345155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (mFullHighPerfLocksAcquired > mFullHighPerfLocksReleased) { 1346155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return WifiManager.WIFI_MODE_FULL_HIGH_PERF; 1347155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1348155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1349155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (mFullLocksAcquired > mFullLocksReleased) { 1350155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return WifiManager.WIFI_MODE_FULL; 1351155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1352155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1353155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return WifiManager.WIFI_MODE_SCAN_ONLY; 1354155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1355155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1356155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande synchronized void updateWorkSource(WorkSource ws) { 1357155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande for (int i = 0; i < mLocks.mList.size(); i++) { 1358155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande ws.add(mLocks.mList.get(i).mWorkSource); 1359155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1360155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1361155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1362155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private void addLock(WifiLock lock) { 1363155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (findLockByBinder(lock.mBinder) < 0) { 1364155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mList.add(lock); 1365155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1366155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1367155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1368155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private WifiLock removeLock(IBinder binder) { 1369155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande int index = findLockByBinder(binder); 1370155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (index >= 0) { 1371155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande WifiLock ret = mList.remove(index); 1372155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande ret.unlinkDeathRecipient(); 1373155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return ret; 1374155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } else { 1375155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return null; 1376155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1377155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1378155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1379155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private int findLockByBinder(IBinder binder) { 1380155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande int size = mList.size(); 1381155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande for (int i = size - 1; i >= 0; i--) { 1382155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (mList.get(i).mBinder == binder) 1383155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return i; 1384155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1385155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return -1; 1386155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1387155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1388155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private void dump(PrintWriter pw) { 1389155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande for (WifiLock l : mList) { 1390155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande pw.print(" "); 1391155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande pw.println(l); 1392155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1393155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1394155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1395155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1396155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande void enforceWakeSourcePermission(int uid, int pid) { 1397155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (uid == android.os.Process.myUid()) { 1398155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return; 1399155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1400155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mContext.enforcePermission(android.Manifest.permission.UPDATE_DEVICE_STATS, 1401155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande pid, uid, null); 1402155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1403155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1404155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public boolean acquireWifiLock(IBinder binder, int lockMode, String tag, WorkSource ws) { 1405155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WAKE_LOCK, null); 1406155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (lockMode != WifiManager.WIFI_MODE_FULL && 1407155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande lockMode != WifiManager.WIFI_MODE_SCAN_ONLY && 1408155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande lockMode != WifiManager.WIFI_MODE_FULL_HIGH_PERF) { 1409155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande Slog.e(TAG, "Illegal argument, lockMode= " + lockMode); 1410155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (DBG) throw new IllegalArgumentException("lockMode=" + lockMode); 1411155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return false; 1412155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1413155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (ws != null && ws.size() == 0) { 1414155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande ws = null; 1415155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1416155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (ws != null) { 1417155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande enforceWakeSourcePermission(Binder.getCallingUid(), Binder.getCallingPid()); 1418155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1419155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (ws == null) { 1420155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande ws = new WorkSource(Binder.getCallingUid()); 1421155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1422155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande WifiLock wifiLock = new WifiLock(lockMode, tag, binder, ws); 1423155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande synchronized (mLocks) { 1424155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return acquireWifiLockLocked(wifiLock); 1425155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1426155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1427155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1428155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private void noteAcquireWifiLock(WifiLock wifiLock) throws RemoteException { 1429155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande switch(wifiLock.mMode) { 1430155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande case WifiManager.WIFI_MODE_FULL: 1431155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande case WifiManager.WIFI_MODE_FULL_HIGH_PERF: 1432155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande case WifiManager.WIFI_MODE_SCAN_ONLY: 1433155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mBatteryStats.noteFullWifiLockAcquiredFromSource(wifiLock.mWorkSource); 1434155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande break; 1435155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1436155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1437155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1438155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private void noteReleaseWifiLock(WifiLock wifiLock) throws RemoteException { 1439155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande switch(wifiLock.mMode) { 1440155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande case WifiManager.WIFI_MODE_FULL: 1441155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande case WifiManager.WIFI_MODE_FULL_HIGH_PERF: 1442155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande case WifiManager.WIFI_MODE_SCAN_ONLY: 1443155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mBatteryStats.noteFullWifiLockReleasedFromSource(wifiLock.mWorkSource); 1444155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande break; 1445155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1446155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1447155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1448155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private boolean acquireWifiLockLocked(WifiLock wifiLock) { 1449155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (DBG) Slog.d(TAG, "acquireWifiLockLocked: " + wifiLock); 1450155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1451155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mLocks.addLock(wifiLock); 1452155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1453155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande long ident = Binder.clearCallingIdentity(); 1454155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande try { 1455155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande noteAcquireWifiLock(wifiLock); 1456155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande switch(wifiLock.mMode) { 1457155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande case WifiManager.WIFI_MODE_FULL: 1458155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande ++mFullLocksAcquired; 1459155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande break; 1460155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande case WifiManager.WIFI_MODE_FULL_HIGH_PERF: 1461155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande ++mFullHighPerfLocksAcquired; 1462155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande break; 1463155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1464155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande case WifiManager.WIFI_MODE_SCAN_ONLY: 1465155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande ++mScanLocksAcquired; 1466155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande break; 1467155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1468155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWifiController.sendMessage(CMD_LOCKS_CHANGED); 1469155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return true; 1470155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } catch (RemoteException e) { 1471155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return false; 1472155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } finally { 1473155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande Binder.restoreCallingIdentity(ident); 1474155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1475155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1476155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1477155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public void updateWifiLockWorkSource(IBinder lock, WorkSource ws) { 1478155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande int uid = Binder.getCallingUid(); 1479155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande int pid = Binder.getCallingPid(); 1480155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (ws != null && ws.size() == 0) { 1481155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande ws = null; 1482155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1483155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (ws != null) { 1484155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande enforceWakeSourcePermission(uid, pid); 1485155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1486155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande long ident = Binder.clearCallingIdentity(); 1487155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande try { 1488155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande synchronized (mLocks) { 1489155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande int index = mLocks.findLockByBinder(lock); 1490155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (index < 0) { 1491155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande throw new IllegalArgumentException("Wifi lock not active"); 1492155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1493155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande WifiLock wl = mLocks.mList.get(index); 1494155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande noteReleaseWifiLock(wl); 1495155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande wl.mWorkSource = ws != null ? new WorkSource(ws) : new WorkSource(uid); 1496155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande noteAcquireWifiLock(wl); 1497155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1498155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } catch (RemoteException e) { 1499155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } finally { 1500155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande Binder.restoreCallingIdentity(ident); 1501155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1502155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1503155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1504155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public boolean releaseWifiLock(IBinder lock) { 1505155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WAKE_LOCK, null); 1506155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande synchronized (mLocks) { 1507155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return releaseWifiLockLocked(lock); 1508155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1509155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1510155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1511155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private boolean releaseWifiLockLocked(IBinder lock) { 1512155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande boolean hadLock; 1513155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1514155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande WifiLock wifiLock = mLocks.removeLock(lock); 1515155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1516155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (DBG) Slog.d(TAG, "releaseWifiLockLocked: " + wifiLock); 1517155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1518155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande hadLock = (wifiLock != null); 1519155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1520155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande long ident = Binder.clearCallingIdentity(); 1521155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande try { 1522155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (hadLock) { 1523155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande noteReleaseWifiLock(wifiLock); 1524155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande switch(wifiLock.mMode) { 1525155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande case WifiManager.WIFI_MODE_FULL: 1526155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande ++mFullLocksReleased; 1527155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande break; 1528155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande case WifiManager.WIFI_MODE_FULL_HIGH_PERF: 1529155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande ++mFullHighPerfLocksReleased; 1530155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande break; 1531155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande case WifiManager.WIFI_MODE_SCAN_ONLY: 1532155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande ++mScanLocksReleased; 1533155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande break; 1534155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1535155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWifiController.sendMessage(CMD_LOCKS_CHANGED); 1536155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1537155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } catch (RemoteException e) { 1538155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } finally { 1539155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande Binder.restoreCallingIdentity(ident); 1540155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1541155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1542155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return hadLock; 1543155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1544155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1545155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private abstract class DeathRecipient 1546155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande implements IBinder.DeathRecipient { 1547155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande String mTag; 1548155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande int mMode; 1549155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande IBinder mBinder; 1550155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande WorkSource mWorkSource; 1551155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1552155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande DeathRecipient(int mode, String tag, IBinder binder, WorkSource ws) { 1553155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande super(); 1554155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mTag = tag; 1555155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mMode = mode; 1556155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mBinder = binder; 1557155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWorkSource = ws; 1558155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande try { 1559155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mBinder.linkToDeath(this, 0); 1560155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } catch (RemoteException e) { 1561155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande binderDied(); 1562155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1563155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1564155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1565155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande void unlinkDeathRecipient() { 1566155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mBinder.unlinkToDeath(this, 0); 1567155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1568155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1569155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1570155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private class Multicaster extends DeathRecipient { 1571155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande Multicaster(String tag, IBinder binder) { 1572155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande super(Binder.getCallingUid(), tag, binder, null); 1573155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1574155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1575155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public void binderDied() { 1576155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande Slog.e(TAG, "Multicaster binderDied"); 1577155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande synchronized (mMulticasters) { 1578155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande int i = mMulticasters.indexOf(this); 1579155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (i != -1) { 1580155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande removeMulticasterLocked(i, mMode); 1581155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1582155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1583155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1584155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1585155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public String toString() { 1586155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return "Multicaster{" + mTag + " binder=" + mBinder + "}"; 1587155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1588155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1589155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public int getUid() { 1590155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return mMode; 1591155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1592155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1593155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1594155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public void initializeMulticastFiltering() { 1595155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande enforceMulticastChangePermission(); 1596155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1597155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande synchronized (mMulticasters) { 1598155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande // if anybody had requested filters be off, leave off 1599155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (mMulticasters.size() != 0) { 1600155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return; 1601155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } else { 1602155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWifiStateMachine.startFilteringMulticastV4Packets(); 1603155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1604155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1605155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1606155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1607155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public void acquireMulticastLock(IBinder binder, String tag) { 1608155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande enforceMulticastChangePermission(); 1609155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1610155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande synchronized (mMulticasters) { 1611155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mMulticastEnabled++; 1612155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mMulticasters.add(new Multicaster(tag, binder)); 1613155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande // Note that we could call stopFilteringMulticastV4Packets only when 1614155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande // our new size == 1 (first call), but this function won't 1615155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande // be called often and by making the stopPacket call each 1616155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande // time we're less fragile and self-healing. 1617155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWifiStateMachine.stopFilteringMulticastV4Packets(); 1618155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1619155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1620155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande int uid = Binder.getCallingUid(); 1621155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande final long ident = Binder.clearCallingIdentity(); 1622155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande try { 1623155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mBatteryStats.noteWifiMulticastEnabled(uid); 1624155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } catch (RemoteException e) { 1625155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } finally { 1626155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande Binder.restoreCallingIdentity(ident); 1627155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1628155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1629155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1630155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public void releaseMulticastLock() { 1631155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande enforceMulticastChangePermission(); 1632155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1633155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande int uid = Binder.getCallingUid(); 1634155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande synchronized (mMulticasters) { 1635155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mMulticastDisabled++; 1636155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande int size = mMulticasters.size(); 1637155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande for (int i = size - 1; i >= 0; i--) { 1638155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande Multicaster m = mMulticasters.get(i); 1639155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if ((m != null) && (m.getUid() == uid)) { 1640155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande removeMulticasterLocked(i, uid); 1641155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1642155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1643155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1644155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1645155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1646155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande private void removeMulticasterLocked(int i, int uid) 1647155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande { 1648155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande Multicaster removed = mMulticasters.remove(i); 1649155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1650155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (removed != null) { 1651155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande removed.unlinkDeathRecipient(); 1652155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1653155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (mMulticasters.size() == 0) { 1654155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mWifiStateMachine.startFilteringMulticastV4Packets(); 1655155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1656155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1657155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande final long ident = Binder.clearCallingIdentity(); 1658155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande try { 1659155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande mBatteryStats.noteWifiMulticastDisabled(uid); 1660155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } catch (RemoteException e) { 1661155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } finally { 1662155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande Binder.restoreCallingIdentity(ident); 1663155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1664155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1665155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1666155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande public boolean isMulticastEnabled() { 1667155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande enforceAccessPermission(); 1668155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1669155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande synchronized (mMulticasters) { 1670155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return (mMulticasters.size() > 0); 1671155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 1672155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 16739ae6b45c038fa74a9e7285ef4834551dd93da332Yuhao Zheng 1674511a412adce5a46c41e61f90c0df6de5fb4e491cYuhao Zheng public WifiMonitor getWifiMonitor() { 1675511a412adce5a46c41e61f90c0df6de5fb4e491cYuhao Zheng return mWifiStateMachine.getWifiMonitor(); 16769ae6b45c038fa74a9e7285ef4834551dd93da332Yuhao Zheng } 1677ed9938883ae2dade81c8be6cd6ceaef3febd5239vandwalle 1678ed9938883ae2dade81c8be6cd6ceaef3febd5239vandwalle 1679ed9938883ae2dade81c8be6cd6ceaef3febd5239vandwalle public void enableVerboseLogging(int verbose) { 1680ed9938883ae2dade81c8be6cd6ceaef3febd5239vandwalle enforceAccessPermission(); 1681ed9938883ae2dade81c8be6cd6ceaef3febd5239vandwalle mWifiStateMachine.enableVerboseLogging(verbose); 1682ed9938883ae2dade81c8be6cd6ceaef3febd5239vandwalle } 1683ed9938883ae2dade81c8be6cd6ceaef3febd5239vandwalle 1684ed9938883ae2dade81c8be6cd6ceaef3febd5239vandwalle public int getVerboseLoggingLevel() { 1685ed9938883ae2dade81c8be6cd6ceaef3febd5239vandwalle enforceAccessPermission(); 1686ed9938883ae2dade81c8be6cd6ceaef3febd5239vandwalle return mWifiStateMachine.getVerboseLoggingLevel(); 1687ed9938883ae2dade81c8be6cd6ceaef3febd5239vandwalle } 1688c6f06c628ee3583b60ff31a7da442e0ac7b26d97vandwalle 1689c6f06c628ee3583b60ff31a7da442e0ac7b26d97vandwalle public void enableAggressiveHandover(int enabled) { 1690c6f06c628ee3583b60ff31a7da442e0ac7b26d97vandwalle enforceAccessPermission(); 1691c6f06c628ee3583b60ff31a7da442e0ac7b26d97vandwalle mWifiStateMachine.enableAggressiveHandover(enabled); 1692c6f06c628ee3583b60ff31a7da442e0ac7b26d97vandwalle } 1693c6f06c628ee3583b60ff31a7da442e0ac7b26d97vandwalle 1694c6f06c628ee3583b60ff31a7da442e0ac7b26d97vandwalle public int getAggressiveHandover() { 1695c6f06c628ee3583b60ff31a7da442e0ac7b26d97vandwalle enforceAccessPermission(); 1696c6f06c628ee3583b60ff31a7da442e0ac7b26d97vandwalle return mWifiStateMachine.getAggressiveHandover(); 1697c6f06c628ee3583b60ff31a7da442e0ac7b26d97vandwalle } 1698c6f06c628ee3583b60ff31a7da442e0ac7b26d97vandwalle 1699c6f06c628ee3583b60ff31a7da442e0ac7b26d97vandwalle public void setAllowScansWithTraffic(int enabled) { 1700c6f06c628ee3583b60ff31a7da442e0ac7b26d97vandwalle enforceAccessPermission(); 1701c6f06c628ee3583b60ff31a7da442e0ac7b26d97vandwalle mWifiStateMachine.setAllowScansWithTraffic(enabled); 1702c6f06c628ee3583b60ff31a7da442e0ac7b26d97vandwalle } 1703c6f06c628ee3583b60ff31a7da442e0ac7b26d97vandwalle 1704c6f06c628ee3583b60ff31a7da442e0ac7b26d97vandwalle public int getAllowScansWithTraffic() { 1705c6f06c628ee3583b60ff31a7da442e0ac7b26d97vandwalle enforceAccessPermission(); 1706c6f06c628ee3583b60ff31a7da442e0ac7b26d97vandwalle return mWifiStateMachine.getAllowScansWithTraffic(); 1707c6f06c628ee3583b60ff31a7da442e0ac7b26d97vandwalle } 1708155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande} 1709