Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2012 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.android.server.display; |
| 18 | |
| 19 | import com.android.internal.util.DumpUtils; |
| 20 | |
| 21 | import android.content.BroadcastReceiver; |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 22 | import android.content.ContentResolver; |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 23 | import android.content.Context; |
| 24 | import android.content.Intent; |
| 25 | import android.content.IntentFilter; |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 26 | import android.database.ContentObserver; |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 27 | import android.hardware.display.WifiDisplay; |
Chong Zhang | 1f3ecaa | 2013-05-03 15:55:36 -0700 | [diff] [blame] | 28 | import android.hardware.display.WifiDisplaySessionInfo; |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 29 | import android.hardware.display.WifiDisplayStatus; |
Jeff Brown | f8f0edd | 2012-09-11 17:05:11 -0700 | [diff] [blame] | 30 | import android.media.RemoteDisplay; |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 31 | import android.net.NetworkInfo; |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 32 | import android.net.Uri; |
Irfan Sheriff | 6681be2 | 2012-11-28 15:54:06 -0800 | [diff] [blame] | 33 | import android.net.wifi.WpsInfo; |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 34 | import android.net.wifi.p2p.WifiP2pConfig; |
| 35 | import android.net.wifi.p2p.WifiP2pDevice; |
| 36 | import android.net.wifi.p2p.WifiP2pDeviceList; |
| 37 | import android.net.wifi.p2p.WifiP2pGroup; |
| 38 | import android.net.wifi.p2p.WifiP2pManager; |
| 39 | import android.net.wifi.p2p.WifiP2pWfdInfo; |
| 40 | import android.net.wifi.p2p.WifiP2pManager.ActionListener; |
| 41 | import android.net.wifi.p2p.WifiP2pManager.Channel; |
| 42 | import android.net.wifi.p2p.WifiP2pManager.GroupInfoListener; |
| 43 | import android.net.wifi.p2p.WifiP2pManager.PeerListListener; |
| 44 | import android.os.Handler; |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 45 | import android.provider.Settings; |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 46 | import android.util.Slog; |
Jeff Brown | f8f0edd | 2012-09-11 17:05:11 -0700 | [diff] [blame] | 47 | import android.view.Surface; |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 48 | |
| 49 | import java.io.PrintWriter; |
| 50 | import java.net.Inet4Address; |
| 51 | import java.net.InetAddress; |
| 52 | import java.net.NetworkInterface; |
| 53 | import java.net.SocketException; |
| 54 | import java.util.ArrayList; |
| 55 | import java.util.Enumeration; |
Narayan Kamath | 607223f | 2018-02-19 14:09:02 +0000 | [diff] [blame] | 56 | import java.util.Objects; |
Jeff Brown | c2b9ea6 | 2012-09-19 23:09:23 -0700 | [diff] [blame] | 57 | |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 58 | /** |
| 59 | * Manages all of the various asynchronous interactions with the {@link WifiP2pManager} |
| 60 | * on behalf of {@link WifiDisplayAdapter}. |
| 61 | * <p> |
| 62 | * This code is isolated from {@link WifiDisplayAdapter} so that we can avoid |
| 63 | * accidentally introducing any deadlocks due to the display manager calling |
| 64 | * outside of itself while holding its lock. It's also way easier to write this |
| 65 | * asynchronous code if we can assume that it is single-threaded. |
| 66 | * </p><p> |
| 67 | * The controller must be instantiated on the handler thread. |
| 68 | * </p> |
| 69 | */ |
| 70 | final class WifiDisplayController implements DumpUtils.Dump { |
| 71 | private static final String TAG = "WifiDisplayController"; |
Jeff Brown | c5df37c | 2012-09-13 11:45:07 -0700 | [diff] [blame] | 72 | private static final boolean DEBUG = false; |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 73 | |
| 74 | private static final int DEFAULT_CONTROL_PORT = 7236; |
| 75 | private static final int MAX_THROUGHPUT = 50; |
Jeff Brown | ce468a3 | 2013-11-21 16:42:03 -0800 | [diff] [blame] | 76 | private static final int CONNECTION_TIMEOUT_SECONDS = 30; |
Jeff Brown | e7ae644 | 2013-11-13 00:45:18 -0800 | [diff] [blame] | 77 | private static final int RTSP_TIMEOUT_SECONDS = 30; |
Chong Zhang | 1f3ecaa | 2013-05-03 15:55:36 -0700 | [diff] [blame] | 78 | private static final int RTSP_TIMEOUT_SECONDS_CERT_MODE = 120; |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 79 | |
Jeff Brown | ce468a3 | 2013-11-21 16:42:03 -0800 | [diff] [blame] | 80 | // We repeatedly issue calls to discover peers every so often for a few reasons. |
| 81 | // 1. The initial request may fail and need to retried. |
| 82 | // 2. Discovery will self-abort after any group is initiated, which may not necessarily |
| 83 | // be what we want to have happen. |
| 84 | // 3. Discovery will self-timeout after 2 minutes, whereas we want discovery to |
| 85 | // be occur for as long as a client is requesting it be. |
| 86 | // 4. We don't seem to get updated results for displays we've already found until |
| 87 | // we ask to discover again, particularly for the isSessionAvailable() property. |
| 88 | private static final int DISCOVER_PEERS_INTERVAL_MILLIS = 10000; |
Jeff Brown | 0cfebf2 | 2012-09-07 17:41:20 -0700 | [diff] [blame] | 89 | |
| 90 | private static final int CONNECT_MAX_RETRIES = 3; |
| 91 | private static final int CONNECT_RETRY_DELAY_MILLIS = 500; |
| 92 | |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 93 | private final Context mContext; |
| 94 | private final Handler mHandler; |
| 95 | private final Listener mListener; |
Jeff Brown | 88469e5 | 2012-09-12 16:01:45 -0700 | [diff] [blame] | 96 | |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 97 | private final WifiP2pManager mWifiP2pManager; |
| 98 | private final Channel mWifiP2pChannel; |
| 99 | |
| 100 | private boolean mWifiP2pEnabled; |
| 101 | private boolean mWfdEnabled; |
| 102 | private boolean mWfdEnabling; |
| 103 | private NetworkInfo mNetworkInfo; |
| 104 | |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 105 | private final ArrayList<WifiP2pDevice> mAvailableWifiDisplayPeers = |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 106 | new ArrayList<WifiP2pDevice>(); |
| 107 | |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 108 | // True if Wifi display is enabled by the user. |
| 109 | private boolean mWifiDisplayOnSetting; |
| 110 | |
Jeff Brown | ce468a3 | 2013-11-21 16:42:03 -0800 | [diff] [blame] | 111 | // True if a scan was requested independent of whether one is actually in progress. |
| 112 | private boolean mScanRequested; |
| 113 | |
Jeff Brown | 0cfebf2 | 2012-09-07 17:41:20 -0700 | [diff] [blame] | 114 | // True if there is a call to discoverPeers in progress. |
| 115 | private boolean mDiscoverPeersInProgress; |
| 116 | |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 117 | // The device to which we want to connect, or null if we want to be disconnected. |
| 118 | private WifiP2pDevice mDesiredDevice; |
| 119 | |
| 120 | // The device to which we are currently connecting, or null if we have already connected |
| 121 | // or are not trying to connect. |
| 122 | private WifiP2pDevice mConnectingDevice; |
| 123 | |
Jeff Brown | 74da109 | 2012-11-07 16:02:13 -0800 | [diff] [blame] | 124 | // The device from which we are currently disconnecting. |
| 125 | private WifiP2pDevice mDisconnectingDevice; |
| 126 | |
| 127 | // The device to which we were previously trying to connect and are now canceling. |
| 128 | private WifiP2pDevice mCancelingDevice; |
| 129 | |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 130 | // The device to which we are currently connected, which means we have an active P2P group. |
| 131 | private WifiP2pDevice mConnectedDevice; |
| 132 | |
| 133 | // The group info obtained after connecting. |
| 134 | private WifiP2pGroup mConnectedDeviceGroupInfo; |
| 135 | |
Jeff Brown | 0cfebf2 | 2012-09-07 17:41:20 -0700 | [diff] [blame] | 136 | // Number of connection retries remaining. |
| 137 | private int mConnectionRetriesLeft; |
| 138 | |
Jeff Brown | f8f0edd | 2012-09-11 17:05:11 -0700 | [diff] [blame] | 139 | // The remote display that is listening on the connection. |
| 140 | // Created after the Wifi P2P network is connected. |
| 141 | private RemoteDisplay mRemoteDisplay; |
| 142 | |
| 143 | // The remote display interface. |
| 144 | private String mRemoteDisplayInterface; |
| 145 | |
| 146 | // True if RTSP has connected. |
| 147 | private boolean mRemoteDisplayConnected; |
| 148 | |
Jeff Brown | c2b9ea6 | 2012-09-19 23:09:23 -0700 | [diff] [blame] | 149 | // The information we have most recently told WifiDisplayAdapter about. |
| 150 | private WifiDisplay mAdvertisedDisplay; |
| 151 | private Surface mAdvertisedDisplaySurface; |
| 152 | private int mAdvertisedDisplayWidth; |
| 153 | private int mAdvertisedDisplayHeight; |
| 154 | private int mAdvertisedDisplayFlags; |
| 155 | |
Chong Zhang | 1f3ecaa | 2013-05-03 15:55:36 -0700 | [diff] [blame] | 156 | // Certification |
| 157 | private boolean mWifiDisplayCertMode; |
Chong Zhang | e38af81 | 2013-08-29 17:25:17 -0700 | [diff] [blame] | 158 | private int mWifiDisplayWpsConfig = WpsInfo.INVALID; |
| 159 | |
Chong Zhang | 1f3ecaa | 2013-05-03 15:55:36 -0700 | [diff] [blame] | 160 | private WifiP2pDevice mThisDevice; |
| 161 | |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 162 | public WifiDisplayController(Context context, Handler handler, Listener listener) { |
| 163 | mContext = context; |
| 164 | mHandler = handler; |
| 165 | mListener = listener; |
| 166 | |
| 167 | mWifiP2pManager = (WifiP2pManager)context.getSystemService(Context.WIFI_P2P_SERVICE); |
| 168 | mWifiP2pChannel = mWifiP2pManager.initialize(context, handler.getLooper(), null); |
| 169 | |
| 170 | IntentFilter intentFilter = new IntentFilter(); |
| 171 | intentFilter.addAction(WifiP2pManager.WIFI_P2P_STATE_CHANGED_ACTION); |
| 172 | intentFilter.addAction(WifiP2pManager.WIFI_P2P_PEERS_CHANGED_ACTION); |
| 173 | intentFilter.addAction(WifiP2pManager.WIFI_P2P_CONNECTION_CHANGED_ACTION); |
Chong Zhang | 1f3ecaa | 2013-05-03 15:55:36 -0700 | [diff] [blame] | 174 | intentFilter.addAction(WifiP2pManager.WIFI_P2P_THIS_DEVICE_CHANGED_ACTION); |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 175 | context.registerReceiver(mWifiP2pReceiver, intentFilter, null, mHandler); |
| 176 | |
| 177 | ContentObserver settingsObserver = new ContentObserver(mHandler) { |
| 178 | @Override |
| 179 | public void onChange(boolean selfChange, Uri uri) { |
| 180 | updateSettings(); |
| 181 | } |
| 182 | }; |
| 183 | |
| 184 | final ContentResolver resolver = mContext.getContentResolver(); |
| 185 | resolver.registerContentObserver(Settings.Global.getUriFor( |
| 186 | Settings.Global.WIFI_DISPLAY_ON), false, settingsObserver); |
Chong Zhang | 1f3ecaa | 2013-05-03 15:55:36 -0700 | [diff] [blame] | 187 | resolver.registerContentObserver(Settings.Global.getUriFor( |
| 188 | Settings.Global.WIFI_DISPLAY_CERTIFICATION_ON), false, settingsObserver); |
Chong Zhang | e38af81 | 2013-08-29 17:25:17 -0700 | [diff] [blame] | 189 | resolver.registerContentObserver(Settings.Global.getUriFor( |
| 190 | Settings.Global.WIFI_DISPLAY_WPS_CONFIG), false, settingsObserver); |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 191 | updateSettings(); |
| 192 | } |
| 193 | |
| 194 | private void updateSettings() { |
| 195 | final ContentResolver resolver = mContext.getContentResolver(); |
| 196 | mWifiDisplayOnSetting = Settings.Global.getInt(resolver, |
| 197 | Settings.Global.WIFI_DISPLAY_ON, 0) != 0; |
Chong Zhang | 1f3ecaa | 2013-05-03 15:55:36 -0700 | [diff] [blame] | 198 | mWifiDisplayCertMode = Settings.Global.getInt(resolver, |
| 199 | Settings.Global.WIFI_DISPLAY_CERTIFICATION_ON, 0) != 0; |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 200 | |
Chong Zhang | e38af81 | 2013-08-29 17:25:17 -0700 | [diff] [blame] | 201 | mWifiDisplayWpsConfig = WpsInfo.INVALID; |
| 202 | if (mWifiDisplayCertMode) { |
| 203 | mWifiDisplayWpsConfig = Settings.Global.getInt(resolver, |
| 204 | Settings.Global.WIFI_DISPLAY_WPS_CONFIG, WpsInfo.INVALID); |
| 205 | } |
| 206 | |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 207 | updateWfdEnableState(); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 208 | } |
| 209 | |
Jeff Brown | 74da109 | 2012-11-07 16:02:13 -0800 | [diff] [blame] | 210 | @Override |
Dianne Hackborn | ae6688b | 2015-02-11 17:02:41 -0800 | [diff] [blame] | 211 | public void dump(PrintWriter pw, String prefix) { |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 212 | pw.println("mWifiDisplayOnSetting=" + mWifiDisplayOnSetting); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 213 | pw.println("mWifiP2pEnabled=" + mWifiP2pEnabled); |
| 214 | pw.println("mWfdEnabled=" + mWfdEnabled); |
| 215 | pw.println("mWfdEnabling=" + mWfdEnabling); |
| 216 | pw.println("mNetworkInfo=" + mNetworkInfo); |
Jeff Brown | ce468a3 | 2013-11-21 16:42:03 -0800 | [diff] [blame] | 217 | pw.println("mScanRequested=" + mScanRequested); |
Jeff Brown | 0cfebf2 | 2012-09-07 17:41:20 -0700 | [diff] [blame] | 218 | pw.println("mDiscoverPeersInProgress=" + mDiscoverPeersInProgress); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 219 | pw.println("mDesiredDevice=" + describeWifiP2pDevice(mDesiredDevice)); |
| 220 | pw.println("mConnectingDisplay=" + describeWifiP2pDevice(mConnectingDevice)); |
Jeff Brown | 74da109 | 2012-11-07 16:02:13 -0800 | [diff] [blame] | 221 | pw.println("mDisconnectingDisplay=" + describeWifiP2pDevice(mDisconnectingDevice)); |
| 222 | pw.println("mCancelingDisplay=" + describeWifiP2pDevice(mCancelingDevice)); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 223 | pw.println("mConnectedDevice=" + describeWifiP2pDevice(mConnectedDevice)); |
Jeff Brown | 0cfebf2 | 2012-09-07 17:41:20 -0700 | [diff] [blame] | 224 | pw.println("mConnectionRetriesLeft=" + mConnectionRetriesLeft); |
Jeff Brown | f8f0edd | 2012-09-11 17:05:11 -0700 | [diff] [blame] | 225 | pw.println("mRemoteDisplay=" + mRemoteDisplay); |
| 226 | pw.println("mRemoteDisplayInterface=" + mRemoteDisplayInterface); |
| 227 | pw.println("mRemoteDisplayConnected=" + mRemoteDisplayConnected); |
Jeff Brown | c2b9ea6 | 2012-09-19 23:09:23 -0700 | [diff] [blame] | 228 | pw.println("mAdvertisedDisplay=" + mAdvertisedDisplay); |
| 229 | pw.println("mAdvertisedDisplaySurface=" + mAdvertisedDisplaySurface); |
| 230 | pw.println("mAdvertisedDisplayWidth=" + mAdvertisedDisplayWidth); |
| 231 | pw.println("mAdvertisedDisplayHeight=" + mAdvertisedDisplayHeight); |
| 232 | pw.println("mAdvertisedDisplayFlags=" + mAdvertisedDisplayFlags); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 233 | |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 234 | pw.println("mAvailableWifiDisplayPeers: size=" + mAvailableWifiDisplayPeers.size()); |
| 235 | for (WifiP2pDevice device : mAvailableWifiDisplayPeers) { |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 236 | pw.println(" " + describeWifiP2pDevice(device)); |
| 237 | } |
| 238 | } |
| 239 | |
Jeff Brown | ce468a3 | 2013-11-21 16:42:03 -0800 | [diff] [blame] | 240 | public void requestStartScan() { |
| 241 | if (!mScanRequested) { |
| 242 | mScanRequested = true; |
| 243 | updateScanState(); |
| 244 | } |
| 245 | } |
| 246 | |
| 247 | public void requestStopScan() { |
| 248 | if (mScanRequested) { |
| 249 | mScanRequested = false; |
| 250 | updateScanState(); |
| 251 | } |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 252 | } |
| 253 | |
| 254 | public void requestConnect(String address) { |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 255 | for (WifiP2pDevice device : mAvailableWifiDisplayPeers) { |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 256 | if (device.deviceAddress.equals(address)) { |
| 257 | connect(device); |
| 258 | } |
| 259 | } |
| 260 | } |
| 261 | |
Chong Zhang | 1f3ecaa | 2013-05-03 15:55:36 -0700 | [diff] [blame] | 262 | public void requestPause() { |
| 263 | if (mRemoteDisplay != null) { |
| 264 | mRemoteDisplay.pause(); |
| 265 | } |
| 266 | } |
| 267 | |
| 268 | public void requestResume() { |
| 269 | if (mRemoteDisplay != null) { |
| 270 | mRemoteDisplay.resume(); |
| 271 | } |
| 272 | } |
| 273 | |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 274 | public void requestDisconnect() { |
| 275 | disconnect(); |
| 276 | } |
| 277 | |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 278 | private void updateWfdEnableState() { |
| 279 | if (mWifiDisplayOnSetting && mWifiP2pEnabled) { |
| 280 | // WFD should be enabled. |
| 281 | if (!mWfdEnabled && !mWfdEnabling) { |
| 282 | mWfdEnabling = true; |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 283 | |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 284 | WifiP2pWfdInfo wfdInfo = new WifiP2pWfdInfo(); |
| 285 | wfdInfo.setWfdEnabled(true); |
| 286 | wfdInfo.setDeviceType(WifiP2pWfdInfo.WFD_SOURCE); |
| 287 | wfdInfo.setSessionAvailable(true); |
| 288 | wfdInfo.setControlPort(DEFAULT_CONTROL_PORT); |
| 289 | wfdInfo.setMaxThroughput(MAX_THROUGHPUT); |
| 290 | mWifiP2pManager.setWFDInfo(mWifiP2pChannel, wfdInfo, new ActionListener() { |
| 291 | @Override |
| 292 | public void onSuccess() { |
| 293 | if (DEBUG) { |
| 294 | Slog.d(TAG, "Successfully set WFD info."); |
| 295 | } |
| 296 | if (mWfdEnabling) { |
| 297 | mWfdEnabling = false; |
| 298 | mWfdEnabled = true; |
| 299 | reportFeatureState(); |
Jeff Brown | ce468a3 | 2013-11-21 16:42:03 -0800 | [diff] [blame] | 300 | updateScanState(); |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 301 | } |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 302 | } |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 303 | |
| 304 | @Override |
| 305 | public void onFailure(int reason) { |
| 306 | if (DEBUG) { |
| 307 | Slog.d(TAG, "Failed to set WFD info with reason " + reason + "."); |
| 308 | } |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 309 | mWfdEnabling = false; |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 310 | } |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 311 | }); |
| 312 | } |
| 313 | } else { |
| 314 | // WFD should be disabled. |
Chong Zhang | 72193e1f | 2013-08-29 15:42:58 -0700 | [diff] [blame] | 315 | if (mWfdEnabled || mWfdEnabling) { |
| 316 | WifiP2pWfdInfo wfdInfo = new WifiP2pWfdInfo(); |
| 317 | wfdInfo.setWfdEnabled(false); |
| 318 | mWifiP2pManager.setWFDInfo(mWifiP2pChannel, wfdInfo, new ActionListener() { |
| 319 | @Override |
| 320 | public void onSuccess() { |
| 321 | if (DEBUG) { |
| 322 | Slog.d(TAG, "Successfully set WFD info."); |
| 323 | } |
| 324 | } |
| 325 | |
| 326 | @Override |
| 327 | public void onFailure(int reason) { |
| 328 | if (DEBUG) { |
| 329 | Slog.d(TAG, "Failed to set WFD info with reason " + reason + "."); |
| 330 | } |
| 331 | } |
| 332 | }); |
| 333 | } |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 334 | mWfdEnabling = false; |
| 335 | mWfdEnabled = false; |
| 336 | reportFeatureState(); |
Jeff Brown | ce468a3 | 2013-11-21 16:42:03 -0800 | [diff] [blame] | 337 | updateScanState(); |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 338 | disconnect(); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 339 | } |
| 340 | } |
| 341 | |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 342 | private void reportFeatureState() { |
| 343 | final int featureState = computeFeatureState(); |
| 344 | mHandler.post(new Runnable() { |
| 345 | @Override |
| 346 | public void run() { |
| 347 | mListener.onFeatureStateChanged(featureState); |
| 348 | } |
| 349 | }); |
| 350 | } |
| 351 | |
| 352 | private int computeFeatureState() { |
| 353 | if (!mWifiP2pEnabled) { |
| 354 | return WifiDisplayStatus.FEATURE_STATE_DISABLED; |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 355 | } |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 356 | return mWifiDisplayOnSetting ? WifiDisplayStatus.FEATURE_STATE_ON : |
| 357 | WifiDisplayStatus.FEATURE_STATE_OFF; |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 358 | } |
| 359 | |
Jeff Brown | ce468a3 | 2013-11-21 16:42:03 -0800 | [diff] [blame] | 360 | private void updateScanState() { |
| 361 | if (mScanRequested && mWfdEnabled && mDesiredDevice == null) { |
| 362 | if (!mDiscoverPeersInProgress) { |
| 363 | Slog.i(TAG, "Starting Wifi display scan."); |
| 364 | mDiscoverPeersInProgress = true; |
| 365 | handleScanStarted(); |
| 366 | tryDiscoverPeers(); |
| 367 | } |
| 368 | } else { |
| 369 | if (mDiscoverPeersInProgress) { |
| 370 | // Cancel automatic retry right away. |
| 371 | mHandler.removeCallbacks(mDiscoverPeers); |
| 372 | |
| 373 | // Defer actually stopping discovery if we have a connection attempt in progress. |
| 374 | // The wifi display connection attempt often fails if we are not in discovery |
| 375 | // mode. So we allow discovery to continue until we give up trying to connect. |
| 376 | if (mDesiredDevice == null || mDesiredDevice == mConnectedDevice) { |
| 377 | Slog.i(TAG, "Stopping Wifi display scan."); |
| 378 | mDiscoverPeersInProgress = false; |
| 379 | stopPeerDiscovery(); |
| 380 | handleScanFinished(); |
| 381 | } |
| 382 | } |
Jeff Brown | 0cfebf2 | 2012-09-07 17:41:20 -0700 | [diff] [blame] | 383 | } |
| 384 | } |
| 385 | |
| 386 | private void tryDiscoverPeers() { |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 387 | mWifiP2pManager.discoverPeers(mWifiP2pChannel, new ActionListener() { |
| 388 | @Override |
| 389 | public void onSuccess() { |
| 390 | if (DEBUG) { |
| 391 | Slog.d(TAG, "Discover peers succeeded. Requesting peers now."); |
| 392 | } |
| 393 | |
Jeff Brown | ce468a3 | 2013-11-21 16:42:03 -0800 | [diff] [blame] | 394 | if (mDiscoverPeersInProgress) { |
| 395 | requestPeers(); |
| 396 | } |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 397 | } |
| 398 | |
| 399 | @Override |
| 400 | public void onFailure(int reason) { |
| 401 | if (DEBUG) { |
| 402 | Slog.d(TAG, "Discover peers failed with reason " + reason + "."); |
| 403 | } |
Jeff Brown | 0cfebf2 | 2012-09-07 17:41:20 -0700 | [diff] [blame] | 404 | |
Jeff Brown | ce468a3 | 2013-11-21 16:42:03 -0800 | [diff] [blame] | 405 | // Ignore the error. |
| 406 | // We will retry automatically in a little bit. |
| 407 | } |
| 408 | }); |
| 409 | |
| 410 | // Retry discover peers periodically until stopped. |
| 411 | mHandler.postDelayed(mDiscoverPeers, DISCOVER_PEERS_INTERVAL_MILLIS); |
| 412 | } |
| 413 | |
| 414 | private void stopPeerDiscovery() { |
| 415 | mWifiP2pManager.stopPeerDiscovery(mWifiP2pChannel, new ActionListener() { |
| 416 | @Override |
| 417 | public void onSuccess() { |
| 418 | if (DEBUG) { |
| 419 | Slog.d(TAG, "Stop peer discovery succeeded."); |
| 420 | } |
| 421 | } |
| 422 | |
| 423 | @Override |
| 424 | public void onFailure(int reason) { |
| 425 | if (DEBUG) { |
| 426 | Slog.d(TAG, "Stop peer discovery failed with reason " + reason + "."); |
Jeff Brown | 0cfebf2 | 2012-09-07 17:41:20 -0700 | [diff] [blame] | 427 | } |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 428 | } |
| 429 | }); |
| 430 | } |
| 431 | |
| 432 | private void requestPeers() { |
| 433 | mWifiP2pManager.requestPeers(mWifiP2pChannel, new PeerListListener() { |
| 434 | @Override |
| 435 | public void onPeersAvailable(WifiP2pDeviceList peers) { |
| 436 | if (DEBUG) { |
| 437 | Slog.d(TAG, "Received list of peers."); |
| 438 | } |
| 439 | |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 440 | mAvailableWifiDisplayPeers.clear(); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 441 | for (WifiP2pDevice device : peers.getDeviceList()) { |
| 442 | if (DEBUG) { |
| 443 | Slog.d(TAG, " " + describeWifiP2pDevice(device)); |
| 444 | } |
| 445 | |
| 446 | if (isWifiDisplay(device)) { |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 447 | mAvailableWifiDisplayPeers.add(device); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 448 | } |
| 449 | } |
| 450 | |
Jeff Brown | ce468a3 | 2013-11-21 16:42:03 -0800 | [diff] [blame] | 451 | if (mDiscoverPeersInProgress) { |
| 452 | handleScanResults(); |
| 453 | } |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 454 | } |
| 455 | }); |
| 456 | } |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 457 | |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 458 | private void handleScanStarted() { |
| 459 | mHandler.post(new Runnable() { |
| 460 | @Override |
| 461 | public void run() { |
| 462 | mListener.onScanStarted(); |
| 463 | } |
| 464 | }); |
| 465 | } |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 466 | |
Jeff Brown | ce468a3 | 2013-11-21 16:42:03 -0800 | [diff] [blame] | 467 | private void handleScanResults() { |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 468 | final int count = mAvailableWifiDisplayPeers.size(); |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 469 | final WifiDisplay[] displays = WifiDisplay.CREATOR.newArray(count); |
| 470 | for (int i = 0; i < count; i++) { |
Jeff Brown | 74da109 | 2012-11-07 16:02:13 -0800 | [diff] [blame] | 471 | WifiP2pDevice device = mAvailableWifiDisplayPeers.get(i); |
| 472 | displays[i] = createWifiDisplay(device); |
| 473 | updateDesiredDevice(device); |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 474 | } |
| 475 | |
| 476 | mHandler.post(new Runnable() { |
| 477 | @Override |
| 478 | public void run() { |
Jeff Brown | ce468a3 | 2013-11-21 16:42:03 -0800 | [diff] [blame] | 479 | mListener.onScanResults(displays); |
| 480 | } |
| 481 | }); |
| 482 | } |
| 483 | |
| 484 | private void handleScanFinished() { |
| 485 | mHandler.post(new Runnable() { |
| 486 | @Override |
| 487 | public void run() { |
| 488 | mListener.onScanFinished(); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 489 | } |
| 490 | }); |
| 491 | } |
| 492 | |
Jeff Brown | 74da109 | 2012-11-07 16:02:13 -0800 | [diff] [blame] | 493 | private void updateDesiredDevice(WifiP2pDevice device) { |
| 494 | // Handle the case where the device to which we are connecting or connected |
| 495 | // may have been renamed or reported different properties in the latest scan. |
| 496 | final String address = device.deviceAddress; |
| 497 | if (mDesiredDevice != null && mDesiredDevice.deviceAddress.equals(address)) { |
| 498 | if (DEBUG) { |
| 499 | Slog.d(TAG, "updateDesiredDevice: new information " |
| 500 | + describeWifiP2pDevice(device)); |
| 501 | } |
| 502 | mDesiredDevice.update(device); |
| 503 | if (mAdvertisedDisplay != null |
| 504 | && mAdvertisedDisplay.getDeviceAddress().equals(address)) { |
| 505 | readvertiseDisplay(createWifiDisplay(mDesiredDevice)); |
| 506 | } |
| 507 | } |
| 508 | } |
| 509 | |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 510 | private void connect(final WifiP2pDevice device) { |
| 511 | if (mDesiredDevice != null |
| 512 | && !mDesiredDevice.deviceAddress.equals(device.deviceAddress)) { |
| 513 | if (DEBUG) { |
| 514 | Slog.d(TAG, "connect: nothing to do, already connecting to " |
| 515 | + describeWifiP2pDevice(device)); |
| 516 | } |
| 517 | return; |
| 518 | } |
| 519 | |
| 520 | if (mConnectedDevice != null |
| 521 | && !mConnectedDevice.deviceAddress.equals(device.deviceAddress) |
| 522 | && mDesiredDevice == null) { |
| 523 | if (DEBUG) { |
| 524 | Slog.d(TAG, "connect: nothing to do, already connected to " |
| 525 | + describeWifiP2pDevice(device) + " and not part way through " |
| 526 | + "connecting to a different device."); |
| 527 | } |
Jeff Brown | 0cfebf2 | 2012-09-07 17:41:20 -0700 | [diff] [blame] | 528 | return; |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 529 | } |
| 530 | |
Jeff Brown | ce468a3 | 2013-11-21 16:42:03 -0800 | [diff] [blame] | 531 | if (!mWfdEnabled) { |
| 532 | Slog.i(TAG, "Ignoring request to connect to Wifi display because the " |
| 533 | +" feature is currently disabled: " + device.deviceName); |
| 534 | return; |
| 535 | } |
| 536 | |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 537 | mDesiredDevice = device; |
Jeff Brown | 0cfebf2 | 2012-09-07 17:41:20 -0700 | [diff] [blame] | 538 | mConnectionRetriesLeft = CONNECT_MAX_RETRIES; |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 539 | updateConnection(); |
| 540 | } |
| 541 | |
| 542 | private void disconnect() { |
| 543 | mDesiredDevice = null; |
| 544 | updateConnection(); |
| 545 | } |
| 546 | |
Jeff Brown | 0cfebf2 | 2012-09-07 17:41:20 -0700 | [diff] [blame] | 547 | private void retryConnection() { |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 548 | // Cheap hack. Make a new instance of the device object so that we |
| 549 | // can distinguish it from the previous connection attempt. |
| 550 | // This will cause us to tear everything down before we try again. |
| 551 | mDesiredDevice = new WifiP2pDevice(mDesiredDevice); |
| 552 | updateConnection(); |
Jeff Brown | 0cfebf2 | 2012-09-07 17:41:20 -0700 | [diff] [blame] | 553 | } |
| 554 | |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 555 | /** |
| 556 | * This function is called repeatedly after each asynchronous operation |
| 557 | * until all preconditions for the connection have been satisfied and the |
| 558 | * connection is established (or not). |
| 559 | */ |
| 560 | private void updateConnection() { |
Jeff Brown | ce468a3 | 2013-11-21 16:42:03 -0800 | [diff] [blame] | 561 | // Step 0. Stop scans if necessary to prevent interference while connected. |
| 562 | // Resume scans later when no longer attempting to connect. |
| 563 | updateScanState(); |
| 564 | |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 565 | // Step 1. Before we try to connect to a new device, tell the system we |
| 566 | // have disconnected from the old one. |
Jeff Brown | f8f0edd | 2012-09-11 17:05:11 -0700 | [diff] [blame] | 567 | if (mRemoteDisplay != null && mConnectedDevice != mDesiredDevice) { |
| 568 | Slog.i(TAG, "Stopped listening for RTSP connection on " + mRemoteDisplayInterface |
| 569 | + " from Wifi display: " + mConnectedDevice.deviceName); |
| 570 | |
| 571 | mRemoteDisplay.dispose(); |
| 572 | mRemoteDisplay = null; |
| 573 | mRemoteDisplayInterface = null; |
| 574 | mRemoteDisplayConnected = false; |
| 575 | mHandler.removeCallbacks(mRtspTimeout); |
| 576 | |
Jeff Brown | f110a37 | 2013-04-17 20:25:36 -0700 | [diff] [blame] | 577 | mWifiP2pManager.setMiracastMode(WifiP2pManager.MIRACAST_DISABLED); |
Jeff Brown | c2b9ea6 | 2012-09-19 23:09:23 -0700 | [diff] [blame] | 578 | unadvertiseDisplay(); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 579 | |
| 580 | // continue to next step |
| 581 | } |
| 582 | |
| 583 | // Step 2. Before we try to connect to a new device, disconnect from the old one. |
Jeff Brown | 74da109 | 2012-11-07 16:02:13 -0800 | [diff] [blame] | 584 | if (mDisconnectingDevice != null) { |
| 585 | return; // wait for asynchronous callback |
| 586 | } |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 587 | if (mConnectedDevice != null && mConnectedDevice != mDesiredDevice) { |
| 588 | Slog.i(TAG, "Disconnecting from Wifi display: " + mConnectedDevice.deviceName); |
Jeff Brown | 74da109 | 2012-11-07 16:02:13 -0800 | [diff] [blame] | 589 | mDisconnectingDevice = mConnectedDevice; |
| 590 | mConnectedDevice = null; |
Chong Zhang | 1f3ecaa | 2013-05-03 15:55:36 -0700 | [diff] [blame] | 591 | mConnectedDeviceGroupInfo = null; |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 592 | |
Jeff Brown | c2b9ea6 | 2012-09-19 23:09:23 -0700 | [diff] [blame] | 593 | unadvertiseDisplay(); |
| 594 | |
Jeff Brown | 74da109 | 2012-11-07 16:02:13 -0800 | [diff] [blame] | 595 | final WifiP2pDevice oldDevice = mDisconnectingDevice; |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 596 | mWifiP2pManager.removeGroup(mWifiP2pChannel, new ActionListener() { |
| 597 | @Override |
| 598 | public void onSuccess() { |
| 599 | Slog.i(TAG, "Disconnected from Wifi display: " + oldDevice.deviceName); |
| 600 | next(); |
| 601 | } |
| 602 | |
| 603 | @Override |
| 604 | public void onFailure(int reason) { |
| 605 | Slog.i(TAG, "Failed to disconnect from Wifi display: " |
| 606 | + oldDevice.deviceName + ", reason=" + reason); |
| 607 | next(); |
| 608 | } |
| 609 | |
| 610 | private void next() { |
Jeff Brown | 74da109 | 2012-11-07 16:02:13 -0800 | [diff] [blame] | 611 | if (mDisconnectingDevice == oldDevice) { |
| 612 | mDisconnectingDevice = null; |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 613 | updateConnection(); |
| 614 | } |
| 615 | } |
| 616 | }); |
| 617 | return; // wait for asynchronous callback |
| 618 | } |
| 619 | |
| 620 | // Step 3. Before we try to connect to a new device, stop trying to connect |
| 621 | // to the old one. |
Jeff Brown | 74da109 | 2012-11-07 16:02:13 -0800 | [diff] [blame] | 622 | if (mCancelingDevice != null) { |
| 623 | return; // wait for asynchronous callback |
| 624 | } |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 625 | if (mConnectingDevice != null && mConnectingDevice != mDesiredDevice) { |
| 626 | Slog.i(TAG, "Canceling connection to Wifi display: " + mConnectingDevice.deviceName); |
Jeff Brown | 74da109 | 2012-11-07 16:02:13 -0800 | [diff] [blame] | 627 | mCancelingDevice = mConnectingDevice; |
| 628 | mConnectingDevice = null; |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 629 | |
Jeff Brown | c2b9ea6 | 2012-09-19 23:09:23 -0700 | [diff] [blame] | 630 | unadvertiseDisplay(); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 631 | mHandler.removeCallbacks(mConnectionTimeout); |
| 632 | |
Jeff Brown | 74da109 | 2012-11-07 16:02:13 -0800 | [diff] [blame] | 633 | final WifiP2pDevice oldDevice = mCancelingDevice; |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 634 | mWifiP2pManager.cancelConnect(mWifiP2pChannel, new ActionListener() { |
| 635 | @Override |
| 636 | public void onSuccess() { |
| 637 | Slog.i(TAG, "Canceled connection to Wifi display: " + oldDevice.deviceName); |
| 638 | next(); |
| 639 | } |
| 640 | |
| 641 | @Override |
| 642 | public void onFailure(int reason) { |
| 643 | Slog.i(TAG, "Failed to cancel connection to Wifi display: " |
| 644 | + oldDevice.deviceName + ", reason=" + reason); |
| 645 | next(); |
| 646 | } |
| 647 | |
| 648 | private void next() { |
Jeff Brown | 74da109 | 2012-11-07 16:02:13 -0800 | [diff] [blame] | 649 | if (mCancelingDevice == oldDevice) { |
| 650 | mCancelingDevice = null; |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 651 | updateConnection(); |
| 652 | } |
| 653 | } |
| 654 | }); |
| 655 | return; // wait for asynchronous callback |
| 656 | } |
| 657 | |
Chong Zhang | 1f3ecaa | 2013-05-03 15:55:36 -0700 | [diff] [blame] | 658 | // Step 4. If we wanted to disconnect, or we're updating after starting an |
| 659 | // autonomous GO, then mission accomplished. |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 660 | if (mDesiredDevice == null) { |
Chong Zhang | 1f3ecaa | 2013-05-03 15:55:36 -0700 | [diff] [blame] | 661 | if (mWifiDisplayCertMode) { |
| 662 | mListener.onDisplaySessionInfo(getSessionInfo(mConnectedDeviceGroupInfo, 0)); |
| 663 | } |
Jeff Brown | c2b9ea6 | 2012-09-19 23:09:23 -0700 | [diff] [blame] | 664 | unadvertiseDisplay(); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 665 | return; // done |
| 666 | } |
| 667 | |
| 668 | // Step 5. Try to connect. |
| 669 | if (mConnectedDevice == null && mConnectingDevice == null) { |
| 670 | Slog.i(TAG, "Connecting to Wifi display: " + mDesiredDevice.deviceName); |
| 671 | |
| 672 | mConnectingDevice = mDesiredDevice; |
| 673 | WifiP2pConfig config = new WifiP2pConfig(); |
Irfan Sheriff | 6681be2 | 2012-11-28 15:54:06 -0800 | [diff] [blame] | 674 | WpsInfo wps = new WpsInfo(); |
Chong Zhang | e38af81 | 2013-08-29 17:25:17 -0700 | [diff] [blame] | 675 | if (mWifiDisplayWpsConfig != WpsInfo.INVALID) { |
| 676 | wps.setup = mWifiDisplayWpsConfig; |
| 677 | } else if (mConnectingDevice.wpsPbcSupported()) { |
Irfan Sheriff | 6681be2 | 2012-11-28 15:54:06 -0800 | [diff] [blame] | 678 | wps.setup = WpsInfo.PBC; |
| 679 | } else if (mConnectingDevice.wpsDisplaySupported()) { |
| 680 | // We do keypad if peer does display |
| 681 | wps.setup = WpsInfo.KEYPAD; |
| 682 | } else { |
| 683 | wps.setup = WpsInfo.DISPLAY; |
| 684 | } |
| 685 | config.wps = wps; |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 686 | config.deviceAddress = mConnectingDevice.deviceAddress; |
Irfan Sheriff | e0c28d5 | 2012-09-18 12:05:31 -0700 | [diff] [blame] | 687 | // Helps with STA & P2P concurrency |
Irfan Sheriff | 99766cf | 2012-09-20 17:18:20 -0700 | [diff] [blame] | 688 | config.groupOwnerIntent = WifiP2pConfig.MIN_GROUP_OWNER_INTENT; |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 689 | |
Jeff Brown | c2b9ea6 | 2012-09-19 23:09:23 -0700 | [diff] [blame] | 690 | WifiDisplay display = createWifiDisplay(mConnectingDevice); |
| 691 | advertiseDisplay(display, null, 0, 0, 0); |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 692 | |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 693 | final WifiP2pDevice newDevice = mDesiredDevice; |
| 694 | mWifiP2pManager.connect(mWifiP2pChannel, config, new ActionListener() { |
| 695 | @Override |
| 696 | public void onSuccess() { |
| 697 | // The connection may not yet be established. We still need to wait |
| 698 | // for WIFI_P2P_CONNECTION_CHANGED_ACTION. However, we might never |
| 699 | // get that broadcast, so we register a timeout. |
| 700 | Slog.i(TAG, "Initiated connection to Wifi display: " + newDevice.deviceName); |
| 701 | |
| 702 | mHandler.postDelayed(mConnectionTimeout, CONNECTION_TIMEOUT_SECONDS * 1000); |
| 703 | } |
| 704 | |
| 705 | @Override |
| 706 | public void onFailure(int reason) { |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 707 | if (mConnectingDevice == newDevice) { |
Jeff Brown | f8f0edd | 2012-09-11 17:05:11 -0700 | [diff] [blame] | 708 | Slog.i(TAG, "Failed to initiate connection to Wifi display: " |
| 709 | + newDevice.deviceName + ", reason=" + reason); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 710 | mConnectingDevice = null; |
Jeff Brown | 0cfebf2 | 2012-09-07 17:41:20 -0700 | [diff] [blame] | 711 | handleConnectionFailure(false); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 712 | } |
| 713 | } |
| 714 | }); |
| 715 | return; // wait for asynchronous callback |
| 716 | } |
| 717 | |
Jeff Brown | ce468a3 | 2013-11-21 16:42:03 -0800 | [diff] [blame] | 718 | // Step 6. Listen for incoming RTSP connection. |
Jeff Brown | f8f0edd | 2012-09-11 17:05:11 -0700 | [diff] [blame] | 719 | if (mConnectedDevice != null && mRemoteDisplay == null) { |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 720 | Inet4Address addr = getInterfaceAddress(mConnectedDeviceGroupInfo); |
| 721 | if (addr == null) { |
| 722 | Slog.i(TAG, "Failed to get local interface address for communicating " |
| 723 | + "with Wifi display: " + mConnectedDevice.deviceName); |
Jeff Brown | 0cfebf2 | 2012-09-07 17:41:20 -0700 | [diff] [blame] | 724 | handleConnectionFailure(false); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 725 | return; // done |
| 726 | } |
| 727 | |
Jeff Brown | f110a37 | 2013-04-17 20:25:36 -0700 | [diff] [blame] | 728 | mWifiP2pManager.setMiracastMode(WifiP2pManager.MIRACAST_SOURCE); |
Jeff Brown | c9bd4ca | 2012-09-17 12:20:29 -0700 | [diff] [blame] | 729 | |
Jeff Brown | f8f0edd | 2012-09-11 17:05:11 -0700 | [diff] [blame] | 730 | final WifiP2pDevice oldDevice = mConnectedDevice; |
Jeff Brown | 0f68d16 | 2012-09-11 12:18:15 -0700 | [diff] [blame] | 731 | final int port = getPortNumber(mConnectedDevice); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 732 | final String iface = addr.getHostAddress() + ":" + port; |
Jeff Brown | f8f0edd | 2012-09-11 17:05:11 -0700 | [diff] [blame] | 733 | mRemoteDisplayInterface = iface; |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 734 | |
Jeff Brown | f8f0edd | 2012-09-11 17:05:11 -0700 | [diff] [blame] | 735 | Slog.i(TAG, "Listening for RTSP connection on " + iface |
| 736 | + " from Wifi display: " + mConnectedDevice.deviceName); |
| 737 | |
| 738 | mRemoteDisplay = RemoteDisplay.listen(iface, new RemoteDisplay.Listener() { |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 739 | @Override |
Jeff Brown | c2b9ea6 | 2012-09-19 23:09:23 -0700 | [diff] [blame] | 740 | public void onDisplayConnected(Surface surface, |
Chong Zhang | 1f3ecaa | 2013-05-03 15:55:36 -0700 | [diff] [blame] | 741 | int width, int height, int flags, int session) { |
Jeff Brown | f8f0edd | 2012-09-11 17:05:11 -0700 | [diff] [blame] | 742 | if (mConnectedDevice == oldDevice && !mRemoteDisplayConnected) { |
| 743 | Slog.i(TAG, "Opened RTSP connection with Wifi display: " |
| 744 | + mConnectedDevice.deviceName); |
| 745 | mRemoteDisplayConnected = true; |
| 746 | mHandler.removeCallbacks(mRtspTimeout); |
| 747 | |
Chong Zhang | 1f3ecaa | 2013-05-03 15:55:36 -0700 | [diff] [blame] | 748 | if (mWifiDisplayCertMode) { |
| 749 | mListener.onDisplaySessionInfo( |
| 750 | getSessionInfo(mConnectedDeviceGroupInfo, session)); |
| 751 | } |
| 752 | |
Jeff Brown | f8f0edd | 2012-09-11 17:05:11 -0700 | [diff] [blame] | 753 | final WifiDisplay display = createWifiDisplay(mConnectedDevice); |
Jeff Brown | c2b9ea6 | 2012-09-19 23:09:23 -0700 | [diff] [blame] | 754 | advertiseDisplay(display, surface, width, height, flags); |
Jeff Brown | f8f0edd | 2012-09-11 17:05:11 -0700 | [diff] [blame] | 755 | } |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 756 | } |
Jeff Brown | f8f0edd | 2012-09-11 17:05:11 -0700 | [diff] [blame] | 757 | |
| 758 | @Override |
| 759 | public void onDisplayDisconnected() { |
| 760 | if (mConnectedDevice == oldDevice) { |
| 761 | Slog.i(TAG, "Closed RTSP connection with Wifi display: " |
| 762 | + mConnectedDevice.deviceName); |
| 763 | mHandler.removeCallbacks(mRtspTimeout); |
| 764 | disconnect(); |
| 765 | } |
| 766 | } |
| 767 | |
| 768 | @Override |
| 769 | public void onDisplayError(int error) { |
| 770 | if (mConnectedDevice == oldDevice) { |
| 771 | Slog.i(TAG, "Lost RTSP connection with Wifi display due to error " |
| 772 | + error + ": " + mConnectedDevice.deviceName); |
| 773 | mHandler.removeCallbacks(mRtspTimeout); |
| 774 | handleConnectionFailure(false); |
| 775 | } |
| 776 | } |
Svet Ganov | fa5ecdc | 2015-04-28 12:03:28 -0700 | [diff] [blame] | 777 | }, mHandler, mContext.getOpPackageName()); |
Jeff Brown | f8f0edd | 2012-09-11 17:05:11 -0700 | [diff] [blame] | 778 | |
Chong Zhang | 1f3ecaa | 2013-05-03 15:55:36 -0700 | [diff] [blame] | 779 | // Use extended timeout value for certification, as some tests require user inputs |
| 780 | int rtspTimeout = mWifiDisplayCertMode ? |
| 781 | RTSP_TIMEOUT_SECONDS_CERT_MODE : RTSP_TIMEOUT_SECONDS; |
| 782 | |
| 783 | mHandler.postDelayed(mRtspTimeout, rtspTimeout * 1000); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 784 | } |
| 785 | } |
| 786 | |
Chong Zhang | 1f3ecaa | 2013-05-03 15:55:36 -0700 | [diff] [blame] | 787 | private WifiDisplaySessionInfo getSessionInfo(WifiP2pGroup info, int session) { |
| 788 | if (info == null) { |
| 789 | return null; |
| 790 | } |
| 791 | Inet4Address addr = getInterfaceAddress(info); |
| 792 | WifiDisplaySessionInfo sessionInfo = new WifiDisplaySessionInfo( |
| 793 | !info.getOwner().deviceAddress.equals(mThisDevice.deviceAddress), |
| 794 | session, |
| 795 | info.getOwner().deviceAddress + " " + info.getNetworkName(), |
| 796 | info.getPassphrase(), |
| 797 | (addr != null) ? addr.getHostAddress() : ""); |
| 798 | if (DEBUG) { |
| 799 | Slog.d(TAG, sessionInfo.toString()); |
| 800 | } |
| 801 | return sessionInfo; |
| 802 | } |
| 803 | |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 804 | private void handleStateChanged(boolean enabled) { |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 805 | mWifiP2pEnabled = enabled; |
| 806 | updateWfdEnableState(); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 807 | } |
| 808 | |
| 809 | private void handlePeersChanged() { |
Irfan Sheriff | 56925d6 | 2012-10-01 23:01:57 -0700 | [diff] [blame] | 810 | // Even if wfd is disabled, it is best to get the latest set of peers to |
| 811 | // keep in sync with the p2p framework |
| 812 | requestPeers(); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 813 | } |
| 814 | |
| 815 | private void handleConnectionChanged(NetworkInfo networkInfo) { |
| 816 | mNetworkInfo = networkInfo; |
Jeff Brown | 180bbc7 | 2012-09-08 23:15:00 -0700 | [diff] [blame] | 817 | if (mWfdEnabled && networkInfo.isConnected()) { |
Chong Zhang | 1f3ecaa | 2013-05-03 15:55:36 -0700 | [diff] [blame] | 818 | if (mDesiredDevice != null || mWifiDisplayCertMode) { |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 819 | mWifiP2pManager.requestGroupInfo(mWifiP2pChannel, new GroupInfoListener() { |
| 820 | @Override |
| 821 | public void onGroupInfoAvailable(WifiP2pGroup info) { |
| 822 | if (DEBUG) { |
| 823 | Slog.d(TAG, "Received group info: " + describeWifiP2pGroup(info)); |
| 824 | } |
| 825 | |
| 826 | if (mConnectingDevice != null && !info.contains(mConnectingDevice)) { |
| 827 | Slog.i(TAG, "Aborting connection to Wifi display because " |
| 828 | + "the current P2P group does not contain the device " |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 829 | + "we expected to find: " + mConnectingDevice.deviceName |
| 830 | + ", group info was: " + describeWifiP2pGroup(info)); |
Jeff Brown | 0cfebf2 | 2012-09-07 17:41:20 -0700 | [diff] [blame] | 831 | handleConnectionFailure(false); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 832 | return; |
| 833 | } |
| 834 | |
| 835 | if (mDesiredDevice != null && !info.contains(mDesiredDevice)) { |
| 836 | disconnect(); |
| 837 | return; |
| 838 | } |
| 839 | |
Chong Zhang | 1f3ecaa | 2013-05-03 15:55:36 -0700 | [diff] [blame] | 840 | if (mWifiDisplayCertMode) { |
| 841 | boolean owner = info.getOwner().deviceAddress |
| 842 | .equals(mThisDevice.deviceAddress); |
| 843 | if (owner && info.getClientList().isEmpty()) { |
| 844 | // this is the case when we started Autonomous GO, |
| 845 | // and no client has connected, save group info |
| 846 | // and updateConnection() |
| 847 | mConnectingDevice = mDesiredDevice = null; |
| 848 | mConnectedDeviceGroupInfo = info; |
| 849 | updateConnection(); |
| 850 | } else if (mConnectingDevice == null && mDesiredDevice == null) { |
| 851 | // this is the case when we received an incoming connection |
| 852 | // from the sink, update both mConnectingDevice and mDesiredDevice |
| 853 | // then proceed to updateConnection() below |
| 854 | mConnectingDevice = mDesiredDevice = owner ? |
| 855 | info.getClientList().iterator().next() : info.getOwner(); |
| 856 | } |
| 857 | } |
| 858 | |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 859 | if (mConnectingDevice != null && mConnectingDevice == mDesiredDevice) { |
Jeff Brown | 0cfebf2 | 2012-09-07 17:41:20 -0700 | [diff] [blame] | 860 | Slog.i(TAG, "Connected to Wifi display: " |
| 861 | + mConnectingDevice.deviceName); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 862 | |
| 863 | mHandler.removeCallbacks(mConnectionTimeout); |
| 864 | mConnectedDeviceGroupInfo = info; |
| 865 | mConnectedDevice = mConnectingDevice; |
| 866 | mConnectingDevice = null; |
| 867 | updateConnection(); |
| 868 | } |
| 869 | } |
| 870 | }); |
| 871 | } |
| 872 | } else { |
Chong Zhang | 1f3ecaa | 2013-05-03 15:55:36 -0700 | [diff] [blame] | 873 | mConnectedDeviceGroupInfo = null; |
Jeff Brown | ce468a3 | 2013-11-21 16:42:03 -0800 | [diff] [blame] | 874 | |
| 875 | // Disconnect if we lost the network while connecting or connected to a display. |
| 876 | if (mConnectingDevice != null || mConnectedDevice != null) { |
| 877 | disconnect(); |
| 878 | } |
Jeff Brown | 180bbc7 | 2012-09-08 23:15:00 -0700 | [diff] [blame] | 879 | |
| 880 | // After disconnection for a group, for some reason we have a tendency |
| 881 | // to get a peer change notification with an empty list of peers. |
| 882 | // Perform a fresh scan. |
| 883 | if (mWfdEnabled) { |
| 884 | requestPeers(); |
| 885 | } |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 886 | } |
| 887 | } |
| 888 | |
Jeff Brown | ce468a3 | 2013-11-21 16:42:03 -0800 | [diff] [blame] | 889 | private final Runnable mDiscoverPeers = new Runnable() { |
| 890 | @Override |
| 891 | public void run() { |
| 892 | tryDiscoverPeers(); |
| 893 | } |
| 894 | }; |
| 895 | |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 896 | private final Runnable mConnectionTimeout = new Runnable() { |
| 897 | @Override |
| 898 | public void run() { |
| 899 | if (mConnectingDevice != null && mConnectingDevice == mDesiredDevice) { |
| 900 | Slog.i(TAG, "Timed out waiting for Wifi display connection after " |
| 901 | + CONNECTION_TIMEOUT_SECONDS + " seconds: " |
| 902 | + mConnectingDevice.deviceName); |
Jeff Brown | 0cfebf2 | 2012-09-07 17:41:20 -0700 | [diff] [blame] | 903 | handleConnectionFailure(true); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 904 | } |
| 905 | } |
| 906 | }; |
| 907 | |
Jeff Brown | f8f0edd | 2012-09-11 17:05:11 -0700 | [diff] [blame] | 908 | private final Runnable mRtspTimeout = new Runnable() { |
| 909 | @Override |
| 910 | public void run() { |
| 911 | if (mConnectedDevice != null |
| 912 | && mRemoteDisplay != null && !mRemoteDisplayConnected) { |
| 913 | Slog.i(TAG, "Timed out waiting for Wifi display RTSP connection after " |
| 914 | + RTSP_TIMEOUT_SECONDS + " seconds: " |
| 915 | + mConnectedDevice.deviceName); |
| 916 | handleConnectionFailure(true); |
| 917 | } |
| 918 | } |
| 919 | }; |
| 920 | |
Jeff Brown | 0cfebf2 | 2012-09-07 17:41:20 -0700 | [diff] [blame] | 921 | private void handleConnectionFailure(boolean timeoutOccurred) { |
Jeff Brown | f8f0edd | 2012-09-11 17:05:11 -0700 | [diff] [blame] | 922 | Slog.i(TAG, "Wifi display connection failed!"); |
| 923 | |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 924 | if (mDesiredDevice != null) { |
Jeff Brown | 0cfebf2 | 2012-09-07 17:41:20 -0700 | [diff] [blame] | 925 | if (mConnectionRetriesLeft > 0) { |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 926 | final WifiP2pDevice oldDevice = mDesiredDevice; |
Jeff Brown | 0cfebf2 | 2012-09-07 17:41:20 -0700 | [diff] [blame] | 927 | mHandler.postDelayed(new Runnable() { |
| 928 | @Override |
| 929 | public void run() { |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 930 | if (mDesiredDevice == oldDevice && mConnectionRetriesLeft > 0) { |
| 931 | mConnectionRetriesLeft -= 1; |
| 932 | Slog.i(TAG, "Retrying Wifi display connection. Retries left: " |
| 933 | + mConnectionRetriesLeft); |
| 934 | retryConnection(); |
| 935 | } |
Jeff Brown | 0cfebf2 | 2012-09-07 17:41:20 -0700 | [diff] [blame] | 936 | } |
| 937 | }, timeoutOccurred ? 0 : CONNECT_RETRY_DELAY_MILLIS); |
| 938 | } else { |
| 939 | disconnect(); |
| 940 | } |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 941 | } |
| 942 | } |
| 943 | |
Jeff Brown | c2b9ea6 | 2012-09-19 23:09:23 -0700 | [diff] [blame] | 944 | private void advertiseDisplay(final WifiDisplay display, |
| 945 | final Surface surface, final int width, final int height, final int flags) { |
Narayan Kamath | 607223f | 2018-02-19 14:09:02 +0000 | [diff] [blame] | 946 | if (!Objects.equals(mAdvertisedDisplay, display) |
Jeff Brown | c2b9ea6 | 2012-09-19 23:09:23 -0700 | [diff] [blame] | 947 | || mAdvertisedDisplaySurface != surface |
| 948 | || mAdvertisedDisplayWidth != width |
| 949 | || mAdvertisedDisplayHeight != height |
| 950 | || mAdvertisedDisplayFlags != flags) { |
| 951 | final WifiDisplay oldDisplay = mAdvertisedDisplay; |
| 952 | final Surface oldSurface = mAdvertisedDisplaySurface; |
| 953 | |
| 954 | mAdvertisedDisplay = display; |
| 955 | mAdvertisedDisplaySurface = surface; |
| 956 | mAdvertisedDisplayWidth = width; |
| 957 | mAdvertisedDisplayHeight = height; |
| 958 | mAdvertisedDisplayFlags = flags; |
| 959 | |
| 960 | mHandler.post(new Runnable() { |
| 961 | @Override |
| 962 | public void run() { |
| 963 | if (oldSurface != null && surface != oldSurface) { |
| 964 | mListener.onDisplayDisconnected(); |
Jeff Brown | 74da109 | 2012-11-07 16:02:13 -0800 | [diff] [blame] | 965 | } else if (oldDisplay != null && !oldDisplay.hasSameAddress(display)) { |
Jeff Brown | c2b9ea6 | 2012-09-19 23:09:23 -0700 | [diff] [blame] | 966 | mListener.onDisplayConnectionFailed(); |
| 967 | } |
| 968 | |
| 969 | if (display != null) { |
Jeff Brown | 74da109 | 2012-11-07 16:02:13 -0800 | [diff] [blame] | 970 | if (!display.hasSameAddress(oldDisplay)) { |
Jeff Brown | c2b9ea6 | 2012-09-19 23:09:23 -0700 | [diff] [blame] | 971 | mListener.onDisplayConnecting(display); |
Jeff Brown | 74da109 | 2012-11-07 16:02:13 -0800 | [diff] [blame] | 972 | } else if (!display.equals(oldDisplay)) { |
| 973 | // The address is the same but some other property such as the |
| 974 | // name must have changed. |
| 975 | mListener.onDisplayChanged(display); |
Jeff Brown | c2b9ea6 | 2012-09-19 23:09:23 -0700 | [diff] [blame] | 976 | } |
| 977 | if (surface != null && surface != oldSurface) { |
| 978 | mListener.onDisplayConnected(display, surface, width, height, flags); |
| 979 | } |
| 980 | } |
| 981 | } |
| 982 | }); |
| 983 | } |
| 984 | } |
| 985 | |
| 986 | private void unadvertiseDisplay() { |
| 987 | advertiseDisplay(null, null, 0, 0, 0); |
| 988 | } |
| 989 | |
Jeff Brown | 74da109 | 2012-11-07 16:02:13 -0800 | [diff] [blame] | 990 | private void readvertiseDisplay(WifiDisplay display) { |
| 991 | advertiseDisplay(display, mAdvertisedDisplaySurface, |
| 992 | mAdvertisedDisplayWidth, mAdvertisedDisplayHeight, |
| 993 | mAdvertisedDisplayFlags); |
| 994 | } |
| 995 | |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 996 | private static Inet4Address getInterfaceAddress(WifiP2pGroup info) { |
| 997 | NetworkInterface iface; |
| 998 | try { |
| 999 | iface = NetworkInterface.getByName(info.getInterface()); |
| 1000 | } catch (SocketException ex) { |
| 1001 | Slog.w(TAG, "Could not obtain address of network interface " |
| 1002 | + info.getInterface(), ex); |
| 1003 | return null; |
| 1004 | } |
| 1005 | |
| 1006 | Enumeration<InetAddress> addrs = iface.getInetAddresses(); |
| 1007 | while (addrs.hasMoreElements()) { |
| 1008 | InetAddress addr = addrs.nextElement(); |
| 1009 | if (addr instanceof Inet4Address) { |
| 1010 | return (Inet4Address)addr; |
| 1011 | } |
| 1012 | } |
| 1013 | |
| 1014 | Slog.w(TAG, "Could not obtain address of network interface " |
| 1015 | + info.getInterface() + " because it had no IPv4 addresses."); |
| 1016 | return null; |
| 1017 | } |
| 1018 | |
Jeff Brown | 0f68d16 | 2012-09-11 12:18:15 -0700 | [diff] [blame] | 1019 | private static int getPortNumber(WifiP2pDevice device) { |
| 1020 | if (device.deviceName.startsWith("DIRECT-") |
| 1021 | && device.deviceName.endsWith("Broadcom")) { |
| 1022 | // These dongles ignore the port we broadcast in our WFD IE. |
| 1023 | return 8554; |
| 1024 | } |
| 1025 | return DEFAULT_CONTROL_PORT; |
| 1026 | } |
| 1027 | |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 1028 | private static boolean isWifiDisplay(WifiP2pDevice device) { |
Jeff Brown | 0f68d16 | 2012-09-11 12:18:15 -0700 | [diff] [blame] | 1029 | return device.wfdInfo != null |
| 1030 | && device.wfdInfo.isWfdEnabled() |
| 1031 | && isPrimarySinkDeviceType(device.wfdInfo.getDeviceType()); |
| 1032 | } |
| 1033 | |
| 1034 | private static boolean isPrimarySinkDeviceType(int deviceType) { |
| 1035 | return deviceType == WifiP2pWfdInfo.PRIMARY_SINK |
| 1036 | || deviceType == WifiP2pWfdInfo.SOURCE_OR_PRIMARY_SINK; |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 1037 | } |
| 1038 | |
| 1039 | private static String describeWifiP2pDevice(WifiP2pDevice device) { |
| 1040 | return device != null ? device.toString().replace('\n', ',') : "null"; |
| 1041 | } |
| 1042 | |
| 1043 | private static String describeWifiP2pGroup(WifiP2pGroup group) { |
| 1044 | return group != null ? group.toString().replace('\n', ',') : "null"; |
| 1045 | } |
| 1046 | |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 1047 | private static WifiDisplay createWifiDisplay(WifiP2pDevice device) { |
Chong Zhang | 21f6039 | 2013-06-04 18:01:46 -0700 | [diff] [blame] | 1048 | return new WifiDisplay(device.deviceAddress, device.deviceName, null, |
Chong Zhang | ab87a63 | 2013-06-11 10:25:49 -0700 | [diff] [blame] | 1049 | true, device.wfdInfo.isSessionAvailable(), false); |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 1050 | } |
| 1051 | |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 1052 | private final BroadcastReceiver mWifiP2pReceiver = new BroadcastReceiver() { |
| 1053 | @Override |
| 1054 | public void onReceive(Context context, Intent intent) { |
| 1055 | final String action = intent.getAction(); |
| 1056 | if (action.equals(WifiP2pManager.WIFI_P2P_STATE_CHANGED_ACTION)) { |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 1057 | // This broadcast is sticky so we'll always get the initial Wifi P2P state |
| 1058 | // on startup. |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 1059 | boolean enabled = (intent.getIntExtra(WifiP2pManager.EXTRA_WIFI_STATE, |
| 1060 | WifiP2pManager.WIFI_P2P_STATE_DISABLED)) == |
| 1061 | WifiP2pManager.WIFI_P2P_STATE_ENABLED; |
| 1062 | if (DEBUG) { |
| 1063 | Slog.d(TAG, "Received WIFI_P2P_STATE_CHANGED_ACTION: enabled=" |
| 1064 | + enabled); |
| 1065 | } |
| 1066 | |
| 1067 | handleStateChanged(enabled); |
| 1068 | } else if (action.equals(WifiP2pManager.WIFI_P2P_PEERS_CHANGED_ACTION)) { |
| 1069 | if (DEBUG) { |
| 1070 | Slog.d(TAG, "Received WIFI_P2P_PEERS_CHANGED_ACTION."); |
| 1071 | } |
| 1072 | |
| 1073 | handlePeersChanged(); |
| 1074 | } else if (action.equals(WifiP2pManager.WIFI_P2P_CONNECTION_CHANGED_ACTION)) { |
| 1075 | NetworkInfo networkInfo = (NetworkInfo)intent.getParcelableExtra( |
| 1076 | WifiP2pManager.EXTRA_NETWORK_INFO); |
| 1077 | if (DEBUG) { |
| 1078 | Slog.d(TAG, "Received WIFI_P2P_CONNECTION_CHANGED_ACTION: networkInfo=" |
| 1079 | + networkInfo); |
| 1080 | } |
| 1081 | |
| 1082 | handleConnectionChanged(networkInfo); |
Chong Zhang | 1f3ecaa | 2013-05-03 15:55:36 -0700 | [diff] [blame] | 1083 | } else if (action.equals(WifiP2pManager.WIFI_P2P_THIS_DEVICE_CHANGED_ACTION)) { |
| 1084 | mThisDevice = (WifiP2pDevice) intent.getParcelableExtra( |
| 1085 | WifiP2pManager.EXTRA_WIFI_P2P_DEVICE); |
| 1086 | if (DEBUG) { |
| 1087 | Slog.d(TAG, "Received WIFI_P2P_THIS_DEVICE_CHANGED_ACTION: mThisDevice= " |
| 1088 | + mThisDevice); |
| 1089 | } |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 1090 | } |
| 1091 | } |
| 1092 | }; |
| 1093 | |
| 1094 | /** |
| 1095 | * Called on the handler thread when displays are connected or disconnected. |
| 1096 | */ |
| 1097 | public interface Listener { |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 1098 | void onFeatureStateChanged(int featureState); |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 1099 | |
| 1100 | void onScanStarted(); |
Jeff Brown | ce468a3 | 2013-11-21 16:42:03 -0800 | [diff] [blame] | 1101 | void onScanResults(WifiDisplay[] availableDisplays); |
| 1102 | void onScanFinished(); |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 1103 | |
| 1104 | void onDisplayConnecting(WifiDisplay display); |
| 1105 | void onDisplayConnectionFailed(); |
Jeff Brown | 74da109 | 2012-11-07 16:02:13 -0800 | [diff] [blame] | 1106 | void onDisplayChanged(WifiDisplay display); |
Jeff Brown | f8f0edd | 2012-09-11 17:05:11 -0700 | [diff] [blame] | 1107 | void onDisplayConnected(WifiDisplay display, |
| 1108 | Surface surface, int width, int height, int flags); |
Chong Zhang | 1f3ecaa | 2013-05-03 15:55:36 -0700 | [diff] [blame] | 1109 | void onDisplaySessionInfo(WifiDisplaySessionInfo sessionInfo); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 1110 | void onDisplayDisconnected(); |
| 1111 | } |
| 1112 | } |