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; |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 28 | import android.hardware.display.WifiDisplayStatus; |
Jeff Brown | 88469e5 | 2012-09-12 16:01:45 -0700 | [diff] [blame] | 29 | import android.media.AudioManager; |
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; |
| 56 | |
Jeff Brown | c2b9ea6 | 2012-09-19 23:09:23 -0700 | [diff] [blame] | 57 | import libcore.util.Objects; |
| 58 | |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 59 | /** |
| 60 | * Manages all of the various asynchronous interactions with the {@link WifiP2pManager} |
| 61 | * on behalf of {@link WifiDisplayAdapter}. |
| 62 | * <p> |
| 63 | * This code is isolated from {@link WifiDisplayAdapter} so that we can avoid |
| 64 | * accidentally introducing any deadlocks due to the display manager calling |
| 65 | * outside of itself while holding its lock. It's also way easier to write this |
| 66 | * asynchronous code if we can assume that it is single-threaded. |
| 67 | * </p><p> |
| 68 | * The controller must be instantiated on the handler thread. |
| 69 | * </p> |
| 70 | */ |
| 71 | final class WifiDisplayController implements DumpUtils.Dump { |
| 72 | private static final String TAG = "WifiDisplayController"; |
Jeff Brown | c5df37c | 2012-09-13 11:45:07 -0700 | [diff] [blame] | 73 | private static final boolean DEBUG = false; |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 74 | |
| 75 | private static final int DEFAULT_CONTROL_PORT = 7236; |
| 76 | private static final int MAX_THROUGHPUT = 50; |
Irfan Sheriff | 2c2ca5c | 2012-09-23 17:30:19 -0700 | [diff] [blame] | 77 | private static final int CONNECTION_TIMEOUT_SECONDS = 60; |
Jeff Brown | f8f0edd | 2012-09-11 17:05:11 -0700 | [diff] [blame] | 78 | private static final int RTSP_TIMEOUT_SECONDS = 15; |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 79 | |
Jeff Brown | 0cfebf2 | 2012-09-07 17:41:20 -0700 | [diff] [blame] | 80 | private static final int DISCOVER_PEERS_MAX_RETRIES = 10; |
| 81 | private static final int DISCOVER_PEERS_RETRY_DELAY_MILLIS = 500; |
| 82 | |
| 83 | private static final int CONNECT_MAX_RETRIES = 3; |
| 84 | private static final int CONNECT_RETRY_DELAY_MILLIS = 500; |
| 85 | |
Jeff Brown | 88469e5 | 2012-09-12 16:01:45 -0700 | [diff] [blame] | 86 | // A unique token to identify the remote submix that is managed by Wifi display. |
| 87 | // It must match what the media server uses when it starts recording the submix |
| 88 | // for transmission. We use 0 although the actual value is currently ignored. |
| 89 | private static final int REMOTE_SUBMIX_ADDRESS = 0; |
| 90 | |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 91 | private final Context mContext; |
| 92 | private final Handler mHandler; |
| 93 | private final Listener mListener; |
Jeff Brown | 88469e5 | 2012-09-12 16:01:45 -0700 | [diff] [blame] | 94 | |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 95 | private final WifiP2pManager mWifiP2pManager; |
| 96 | private final Channel mWifiP2pChannel; |
| 97 | |
Jeff Brown | 88469e5 | 2012-09-12 16:01:45 -0700 | [diff] [blame] | 98 | private final AudioManager mAudioManager; |
| 99 | |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 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 | 0cfebf2 | 2012-09-07 17:41:20 -0700 | [diff] [blame] | 111 | // True if there is a call to discoverPeers in progress. |
| 112 | private boolean mDiscoverPeersInProgress; |
| 113 | |
| 114 | // Number of discover peers retries remaining. |
| 115 | private int mDiscoverPeersRetriesLeft; |
| 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 | c9bd4ca | 2012-09-17 12:20:29 -0700 | [diff] [blame] | 149 | // True if the remote submix is enabled. |
| 150 | private boolean mRemoteSubmixOn; |
| 151 | |
Jeff Brown | c2b9ea6 | 2012-09-19 23:09:23 -0700 | [diff] [blame] | 152 | // The information we have most recently told WifiDisplayAdapter about. |
| 153 | private WifiDisplay mAdvertisedDisplay; |
| 154 | private Surface mAdvertisedDisplaySurface; |
| 155 | private int mAdvertisedDisplayWidth; |
| 156 | private int mAdvertisedDisplayHeight; |
| 157 | private int mAdvertisedDisplayFlags; |
| 158 | |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 159 | public WifiDisplayController(Context context, Handler handler, Listener listener) { |
| 160 | mContext = context; |
| 161 | mHandler = handler; |
| 162 | mListener = listener; |
| 163 | |
| 164 | mWifiP2pManager = (WifiP2pManager)context.getSystemService(Context.WIFI_P2P_SERVICE); |
| 165 | mWifiP2pChannel = mWifiP2pManager.initialize(context, handler.getLooper(), null); |
| 166 | |
Jeff Brown | 88469e5 | 2012-09-12 16:01:45 -0700 | [diff] [blame] | 167 | mAudioManager = (AudioManager)context.getSystemService(Context.AUDIO_SERVICE); |
| 168 | |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 169 | IntentFilter intentFilter = new IntentFilter(); |
| 170 | intentFilter.addAction(WifiP2pManager.WIFI_P2P_STATE_CHANGED_ACTION); |
| 171 | intentFilter.addAction(WifiP2pManager.WIFI_P2P_PEERS_CHANGED_ACTION); |
| 172 | intentFilter.addAction(WifiP2pManager.WIFI_P2P_CONNECTION_CHANGED_ACTION); |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 173 | context.registerReceiver(mWifiP2pReceiver, intentFilter, null, mHandler); |
| 174 | |
| 175 | ContentObserver settingsObserver = new ContentObserver(mHandler) { |
| 176 | @Override |
| 177 | public void onChange(boolean selfChange, Uri uri) { |
| 178 | updateSettings(); |
| 179 | } |
| 180 | }; |
| 181 | |
| 182 | final ContentResolver resolver = mContext.getContentResolver(); |
| 183 | resolver.registerContentObserver(Settings.Global.getUriFor( |
| 184 | Settings.Global.WIFI_DISPLAY_ON), false, settingsObserver); |
| 185 | updateSettings(); |
| 186 | } |
| 187 | |
| 188 | private void updateSettings() { |
| 189 | final ContentResolver resolver = mContext.getContentResolver(); |
| 190 | mWifiDisplayOnSetting = Settings.Global.getInt(resolver, |
| 191 | Settings.Global.WIFI_DISPLAY_ON, 0) != 0; |
| 192 | |
| 193 | updateWfdEnableState(); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 194 | } |
| 195 | |
Jeff Brown | 74da109 | 2012-11-07 16:02:13 -0800 | [diff] [blame] | 196 | @Override |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 197 | public void dump(PrintWriter pw) { |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 198 | pw.println("mWifiDisplayOnSetting=" + mWifiDisplayOnSetting); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 199 | pw.println("mWifiP2pEnabled=" + mWifiP2pEnabled); |
| 200 | pw.println("mWfdEnabled=" + mWfdEnabled); |
| 201 | pw.println("mWfdEnabling=" + mWfdEnabling); |
| 202 | pw.println("mNetworkInfo=" + mNetworkInfo); |
Jeff Brown | 0cfebf2 | 2012-09-07 17:41:20 -0700 | [diff] [blame] | 203 | pw.println("mDiscoverPeersInProgress=" + mDiscoverPeersInProgress); |
| 204 | pw.println("mDiscoverPeersRetriesLeft=" + mDiscoverPeersRetriesLeft); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 205 | pw.println("mDesiredDevice=" + describeWifiP2pDevice(mDesiredDevice)); |
| 206 | pw.println("mConnectingDisplay=" + describeWifiP2pDevice(mConnectingDevice)); |
Jeff Brown | 74da109 | 2012-11-07 16:02:13 -0800 | [diff] [blame] | 207 | pw.println("mDisconnectingDisplay=" + describeWifiP2pDevice(mDisconnectingDevice)); |
| 208 | pw.println("mCancelingDisplay=" + describeWifiP2pDevice(mCancelingDevice)); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 209 | pw.println("mConnectedDevice=" + describeWifiP2pDevice(mConnectedDevice)); |
Jeff Brown | 0cfebf2 | 2012-09-07 17:41:20 -0700 | [diff] [blame] | 210 | pw.println("mConnectionRetriesLeft=" + mConnectionRetriesLeft); |
Jeff Brown | f8f0edd | 2012-09-11 17:05:11 -0700 | [diff] [blame] | 211 | pw.println("mRemoteDisplay=" + mRemoteDisplay); |
| 212 | pw.println("mRemoteDisplayInterface=" + mRemoteDisplayInterface); |
| 213 | pw.println("mRemoteDisplayConnected=" + mRemoteDisplayConnected); |
Jeff Brown | c9bd4ca | 2012-09-17 12:20:29 -0700 | [diff] [blame] | 214 | pw.println("mRemoteSubmixOn=" + mRemoteSubmixOn); |
Jeff Brown | c2b9ea6 | 2012-09-19 23:09:23 -0700 | [diff] [blame] | 215 | pw.println("mAdvertisedDisplay=" + mAdvertisedDisplay); |
| 216 | pw.println("mAdvertisedDisplaySurface=" + mAdvertisedDisplaySurface); |
| 217 | pw.println("mAdvertisedDisplayWidth=" + mAdvertisedDisplayWidth); |
| 218 | pw.println("mAdvertisedDisplayHeight=" + mAdvertisedDisplayHeight); |
| 219 | pw.println("mAdvertisedDisplayFlags=" + mAdvertisedDisplayFlags); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 220 | |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 221 | pw.println("mAvailableWifiDisplayPeers: size=" + mAvailableWifiDisplayPeers.size()); |
| 222 | for (WifiP2pDevice device : mAvailableWifiDisplayPeers) { |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 223 | pw.println(" " + describeWifiP2pDevice(device)); |
| 224 | } |
| 225 | } |
| 226 | |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 227 | public void requestScan() { |
| 228 | discoverPeers(); |
| 229 | } |
| 230 | |
| 231 | public void requestConnect(String address) { |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 232 | for (WifiP2pDevice device : mAvailableWifiDisplayPeers) { |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 233 | if (device.deviceAddress.equals(address)) { |
| 234 | connect(device); |
| 235 | } |
| 236 | } |
| 237 | } |
| 238 | |
| 239 | public void requestDisconnect() { |
| 240 | disconnect(); |
| 241 | } |
| 242 | |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 243 | private void updateWfdEnableState() { |
| 244 | if (mWifiDisplayOnSetting && mWifiP2pEnabled) { |
| 245 | // WFD should be enabled. |
| 246 | if (!mWfdEnabled && !mWfdEnabling) { |
| 247 | mWfdEnabling = true; |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 248 | |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 249 | WifiP2pWfdInfo wfdInfo = new WifiP2pWfdInfo(); |
| 250 | wfdInfo.setWfdEnabled(true); |
| 251 | wfdInfo.setDeviceType(WifiP2pWfdInfo.WFD_SOURCE); |
| 252 | wfdInfo.setSessionAvailable(true); |
| 253 | wfdInfo.setControlPort(DEFAULT_CONTROL_PORT); |
| 254 | wfdInfo.setMaxThroughput(MAX_THROUGHPUT); |
| 255 | mWifiP2pManager.setWFDInfo(mWifiP2pChannel, wfdInfo, new ActionListener() { |
| 256 | @Override |
| 257 | public void onSuccess() { |
| 258 | if (DEBUG) { |
| 259 | Slog.d(TAG, "Successfully set WFD info."); |
| 260 | } |
| 261 | if (mWfdEnabling) { |
| 262 | mWfdEnabling = false; |
| 263 | mWfdEnabled = true; |
| 264 | reportFeatureState(); |
| 265 | } |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 266 | } |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 267 | |
| 268 | @Override |
| 269 | public void onFailure(int reason) { |
| 270 | if (DEBUG) { |
| 271 | Slog.d(TAG, "Failed to set WFD info with reason " + reason + "."); |
| 272 | } |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 273 | mWfdEnabling = false; |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 274 | } |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 275 | }); |
| 276 | } |
| 277 | } else { |
| 278 | // WFD should be disabled. |
| 279 | mWfdEnabling = false; |
| 280 | mWfdEnabled = false; |
| 281 | reportFeatureState(); |
| 282 | disconnect(); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 283 | } |
| 284 | } |
| 285 | |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 286 | private void reportFeatureState() { |
| 287 | final int featureState = computeFeatureState(); |
| 288 | mHandler.post(new Runnable() { |
| 289 | @Override |
| 290 | public void run() { |
| 291 | mListener.onFeatureStateChanged(featureState); |
| 292 | } |
| 293 | }); |
| 294 | } |
| 295 | |
| 296 | private int computeFeatureState() { |
| 297 | if (!mWifiP2pEnabled) { |
| 298 | return WifiDisplayStatus.FEATURE_STATE_DISABLED; |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 299 | } |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 300 | return mWifiDisplayOnSetting ? WifiDisplayStatus.FEATURE_STATE_ON : |
| 301 | WifiDisplayStatus.FEATURE_STATE_OFF; |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 302 | } |
| 303 | |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 304 | private void discoverPeers() { |
Jeff Brown | 0cfebf2 | 2012-09-07 17:41:20 -0700 | [diff] [blame] | 305 | if (!mDiscoverPeersInProgress) { |
| 306 | mDiscoverPeersInProgress = true; |
| 307 | mDiscoverPeersRetriesLeft = DISCOVER_PEERS_MAX_RETRIES; |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 308 | handleScanStarted(); |
Jeff Brown | 0cfebf2 | 2012-09-07 17:41:20 -0700 | [diff] [blame] | 309 | tryDiscoverPeers(); |
| 310 | } |
| 311 | } |
| 312 | |
| 313 | private void tryDiscoverPeers() { |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 314 | mWifiP2pManager.discoverPeers(mWifiP2pChannel, new ActionListener() { |
| 315 | @Override |
| 316 | public void onSuccess() { |
| 317 | if (DEBUG) { |
| 318 | Slog.d(TAG, "Discover peers succeeded. Requesting peers now."); |
| 319 | } |
| 320 | |
Jeff Brown | 0cfebf2 | 2012-09-07 17:41:20 -0700 | [diff] [blame] | 321 | mDiscoverPeersInProgress = false; |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 322 | requestPeers(); |
| 323 | } |
| 324 | |
| 325 | @Override |
| 326 | public void onFailure(int reason) { |
| 327 | if (DEBUG) { |
| 328 | Slog.d(TAG, "Discover peers failed with reason " + reason + "."); |
| 329 | } |
Jeff Brown | 0cfebf2 | 2012-09-07 17:41:20 -0700 | [diff] [blame] | 330 | |
| 331 | if (mDiscoverPeersInProgress) { |
| 332 | if (reason == 0 && mDiscoverPeersRetriesLeft > 0 && mWfdEnabled) { |
| 333 | mHandler.postDelayed(new Runnable() { |
| 334 | @Override |
| 335 | public void run() { |
| 336 | if (mDiscoverPeersInProgress) { |
| 337 | if (mDiscoverPeersRetriesLeft > 0 && mWfdEnabled) { |
| 338 | mDiscoverPeersRetriesLeft -= 1; |
| 339 | if (DEBUG) { |
| 340 | Slog.d(TAG, "Retrying discovery. Retries left: " |
| 341 | + mDiscoverPeersRetriesLeft); |
| 342 | } |
| 343 | tryDiscoverPeers(); |
| 344 | } else { |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 345 | handleScanFinished(); |
Jeff Brown | 0cfebf2 | 2012-09-07 17:41:20 -0700 | [diff] [blame] | 346 | mDiscoverPeersInProgress = false; |
| 347 | } |
| 348 | } |
| 349 | } |
| 350 | }, DISCOVER_PEERS_RETRY_DELAY_MILLIS); |
| 351 | } else { |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 352 | handleScanFinished(); |
Jeff Brown | 0cfebf2 | 2012-09-07 17:41:20 -0700 | [diff] [blame] | 353 | mDiscoverPeersInProgress = false; |
| 354 | } |
| 355 | } |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 356 | } |
| 357 | }); |
| 358 | } |
| 359 | |
| 360 | private void requestPeers() { |
| 361 | mWifiP2pManager.requestPeers(mWifiP2pChannel, new PeerListListener() { |
| 362 | @Override |
| 363 | public void onPeersAvailable(WifiP2pDeviceList peers) { |
| 364 | if (DEBUG) { |
| 365 | Slog.d(TAG, "Received list of peers."); |
| 366 | } |
| 367 | |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 368 | mAvailableWifiDisplayPeers.clear(); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 369 | for (WifiP2pDevice device : peers.getDeviceList()) { |
| 370 | if (DEBUG) { |
| 371 | Slog.d(TAG, " " + describeWifiP2pDevice(device)); |
| 372 | } |
| 373 | |
| 374 | if (isWifiDisplay(device)) { |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 375 | mAvailableWifiDisplayPeers.add(device); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 376 | } |
| 377 | } |
| 378 | |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 379 | handleScanFinished(); |
| 380 | } |
| 381 | }); |
| 382 | } |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 383 | |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 384 | private void handleScanStarted() { |
| 385 | mHandler.post(new Runnable() { |
| 386 | @Override |
| 387 | public void run() { |
| 388 | mListener.onScanStarted(); |
| 389 | } |
| 390 | }); |
| 391 | } |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 392 | |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 393 | private void handleScanFinished() { |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 394 | final int count = mAvailableWifiDisplayPeers.size(); |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 395 | final WifiDisplay[] displays = WifiDisplay.CREATOR.newArray(count); |
| 396 | for (int i = 0; i < count; i++) { |
Jeff Brown | 74da109 | 2012-11-07 16:02:13 -0800 | [diff] [blame] | 397 | WifiP2pDevice device = mAvailableWifiDisplayPeers.get(i); |
| 398 | displays[i] = createWifiDisplay(device); |
| 399 | updateDesiredDevice(device); |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 400 | } |
| 401 | |
| 402 | mHandler.post(new Runnable() { |
| 403 | @Override |
| 404 | public void run() { |
| 405 | mListener.onScanFinished(displays); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 406 | } |
| 407 | }); |
| 408 | } |
| 409 | |
Jeff Brown | 74da109 | 2012-11-07 16:02:13 -0800 | [diff] [blame] | 410 | private void updateDesiredDevice(WifiP2pDevice device) { |
| 411 | // Handle the case where the device to which we are connecting or connected |
| 412 | // may have been renamed or reported different properties in the latest scan. |
| 413 | final String address = device.deviceAddress; |
| 414 | if (mDesiredDevice != null && mDesiredDevice.deviceAddress.equals(address)) { |
| 415 | if (DEBUG) { |
| 416 | Slog.d(TAG, "updateDesiredDevice: new information " |
| 417 | + describeWifiP2pDevice(device)); |
| 418 | } |
| 419 | mDesiredDevice.update(device); |
| 420 | if (mAdvertisedDisplay != null |
| 421 | && mAdvertisedDisplay.getDeviceAddress().equals(address)) { |
| 422 | readvertiseDisplay(createWifiDisplay(mDesiredDevice)); |
| 423 | } |
| 424 | } |
| 425 | } |
| 426 | |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 427 | private void connect(final WifiP2pDevice device) { |
| 428 | if (mDesiredDevice != null |
| 429 | && !mDesiredDevice.deviceAddress.equals(device.deviceAddress)) { |
| 430 | if (DEBUG) { |
| 431 | Slog.d(TAG, "connect: nothing to do, already connecting to " |
| 432 | + describeWifiP2pDevice(device)); |
| 433 | } |
| 434 | return; |
| 435 | } |
| 436 | |
| 437 | if (mConnectedDevice != null |
| 438 | && !mConnectedDevice.deviceAddress.equals(device.deviceAddress) |
| 439 | && mDesiredDevice == null) { |
| 440 | if (DEBUG) { |
| 441 | Slog.d(TAG, "connect: nothing to do, already connected to " |
| 442 | + describeWifiP2pDevice(device) + " and not part way through " |
| 443 | + "connecting to a different device."); |
| 444 | } |
Jeff Brown | 0cfebf2 | 2012-09-07 17:41:20 -0700 | [diff] [blame] | 445 | return; |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 446 | } |
| 447 | |
| 448 | mDesiredDevice = device; |
Jeff Brown | 0cfebf2 | 2012-09-07 17:41:20 -0700 | [diff] [blame] | 449 | mConnectionRetriesLeft = CONNECT_MAX_RETRIES; |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 450 | updateConnection(); |
| 451 | } |
| 452 | |
| 453 | private void disconnect() { |
| 454 | mDesiredDevice = null; |
| 455 | updateConnection(); |
| 456 | } |
| 457 | |
Jeff Brown | 0cfebf2 | 2012-09-07 17:41:20 -0700 | [diff] [blame] | 458 | private void retryConnection() { |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 459 | // Cheap hack. Make a new instance of the device object so that we |
| 460 | // can distinguish it from the previous connection attempt. |
| 461 | // This will cause us to tear everything down before we try again. |
| 462 | mDesiredDevice = new WifiP2pDevice(mDesiredDevice); |
| 463 | updateConnection(); |
Jeff Brown | 0cfebf2 | 2012-09-07 17:41:20 -0700 | [diff] [blame] | 464 | } |
| 465 | |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 466 | /** |
| 467 | * This function is called repeatedly after each asynchronous operation |
| 468 | * until all preconditions for the connection have been satisfied and the |
| 469 | * connection is established (or not). |
| 470 | */ |
| 471 | private void updateConnection() { |
| 472 | // Step 1. Before we try to connect to a new device, tell the system we |
| 473 | // have disconnected from the old one. |
Jeff Brown | f8f0edd | 2012-09-11 17:05:11 -0700 | [diff] [blame] | 474 | if (mRemoteDisplay != null && mConnectedDevice != mDesiredDevice) { |
| 475 | Slog.i(TAG, "Stopped listening for RTSP connection on " + mRemoteDisplayInterface |
| 476 | + " from Wifi display: " + mConnectedDevice.deviceName); |
| 477 | |
| 478 | mRemoteDisplay.dispose(); |
| 479 | mRemoteDisplay = null; |
| 480 | mRemoteDisplayInterface = null; |
| 481 | mRemoteDisplayConnected = false; |
| 482 | mHandler.removeCallbacks(mRtspTimeout); |
| 483 | |
Jeff Brown | f110a37 | 2013-04-17 20:25:36 -0700 | [diff] [blame] | 484 | mWifiP2pManager.setMiracastMode(WifiP2pManager.MIRACAST_DISABLED); |
Jeff Brown | c9bd4ca | 2012-09-17 12:20:29 -0700 | [diff] [blame] | 485 | setRemoteSubmixOn(false); |
Jeff Brown | c2b9ea6 | 2012-09-19 23:09:23 -0700 | [diff] [blame] | 486 | unadvertiseDisplay(); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 487 | |
| 488 | // continue to next step |
| 489 | } |
| 490 | |
| 491 | // 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] | 492 | if (mDisconnectingDevice != null) { |
| 493 | return; // wait for asynchronous callback |
| 494 | } |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 495 | if (mConnectedDevice != null && mConnectedDevice != mDesiredDevice) { |
| 496 | Slog.i(TAG, "Disconnecting from Wifi display: " + mConnectedDevice.deviceName); |
Jeff Brown | 74da109 | 2012-11-07 16:02:13 -0800 | [diff] [blame] | 497 | mDisconnectingDevice = mConnectedDevice; |
| 498 | mConnectedDevice = null; |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 499 | |
Jeff Brown | c2b9ea6 | 2012-09-19 23:09:23 -0700 | [diff] [blame] | 500 | unadvertiseDisplay(); |
| 501 | |
Jeff Brown | 74da109 | 2012-11-07 16:02:13 -0800 | [diff] [blame] | 502 | final WifiP2pDevice oldDevice = mDisconnectingDevice; |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 503 | mWifiP2pManager.removeGroup(mWifiP2pChannel, new ActionListener() { |
| 504 | @Override |
| 505 | public void onSuccess() { |
| 506 | Slog.i(TAG, "Disconnected from Wifi display: " + oldDevice.deviceName); |
| 507 | next(); |
| 508 | } |
| 509 | |
| 510 | @Override |
| 511 | public void onFailure(int reason) { |
| 512 | Slog.i(TAG, "Failed to disconnect from Wifi display: " |
| 513 | + oldDevice.deviceName + ", reason=" + reason); |
| 514 | next(); |
| 515 | } |
| 516 | |
| 517 | private void next() { |
Jeff Brown | 74da109 | 2012-11-07 16:02:13 -0800 | [diff] [blame] | 518 | if (mDisconnectingDevice == oldDevice) { |
| 519 | mDisconnectingDevice = null; |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 520 | updateConnection(); |
| 521 | } |
| 522 | } |
| 523 | }); |
| 524 | return; // wait for asynchronous callback |
| 525 | } |
| 526 | |
| 527 | // Step 3. Before we try to connect to a new device, stop trying to connect |
| 528 | // to the old one. |
Jeff Brown | 74da109 | 2012-11-07 16:02:13 -0800 | [diff] [blame] | 529 | if (mCancelingDevice != null) { |
| 530 | return; // wait for asynchronous callback |
| 531 | } |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 532 | if (mConnectingDevice != null && mConnectingDevice != mDesiredDevice) { |
| 533 | Slog.i(TAG, "Canceling connection to Wifi display: " + mConnectingDevice.deviceName); |
Jeff Brown | 74da109 | 2012-11-07 16:02:13 -0800 | [diff] [blame] | 534 | mCancelingDevice = mConnectingDevice; |
| 535 | mConnectingDevice = null; |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 536 | |
Jeff Brown | c2b9ea6 | 2012-09-19 23:09:23 -0700 | [diff] [blame] | 537 | unadvertiseDisplay(); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 538 | mHandler.removeCallbacks(mConnectionTimeout); |
| 539 | |
Jeff Brown | 74da109 | 2012-11-07 16:02:13 -0800 | [diff] [blame] | 540 | final WifiP2pDevice oldDevice = mCancelingDevice; |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 541 | mWifiP2pManager.cancelConnect(mWifiP2pChannel, new ActionListener() { |
| 542 | @Override |
| 543 | public void onSuccess() { |
| 544 | Slog.i(TAG, "Canceled connection to Wifi display: " + oldDevice.deviceName); |
| 545 | next(); |
| 546 | } |
| 547 | |
| 548 | @Override |
| 549 | public void onFailure(int reason) { |
| 550 | Slog.i(TAG, "Failed to cancel connection to Wifi display: " |
| 551 | + oldDevice.deviceName + ", reason=" + reason); |
| 552 | next(); |
| 553 | } |
| 554 | |
| 555 | private void next() { |
Jeff Brown | 74da109 | 2012-11-07 16:02:13 -0800 | [diff] [blame] | 556 | if (mCancelingDevice == oldDevice) { |
| 557 | mCancelingDevice = null; |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 558 | updateConnection(); |
| 559 | } |
| 560 | } |
| 561 | }); |
| 562 | return; // wait for asynchronous callback |
| 563 | } |
| 564 | |
| 565 | // Step 4. If we wanted to disconnect, then mission accomplished. |
| 566 | if (mDesiredDevice == null) { |
Jeff Brown | c2b9ea6 | 2012-09-19 23:09:23 -0700 | [diff] [blame] | 567 | unadvertiseDisplay(); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 568 | return; // done |
| 569 | } |
| 570 | |
| 571 | // Step 5. Try to connect. |
| 572 | if (mConnectedDevice == null && mConnectingDevice == null) { |
| 573 | Slog.i(TAG, "Connecting to Wifi display: " + mDesiredDevice.deviceName); |
| 574 | |
| 575 | mConnectingDevice = mDesiredDevice; |
| 576 | WifiP2pConfig config = new WifiP2pConfig(); |
Irfan Sheriff | 6681be2 | 2012-11-28 15:54:06 -0800 | [diff] [blame] | 577 | WpsInfo wps = new WpsInfo(); |
| 578 | if (mConnectingDevice.wpsPbcSupported()) { |
| 579 | wps.setup = WpsInfo.PBC; |
| 580 | } else if (mConnectingDevice.wpsDisplaySupported()) { |
| 581 | // We do keypad if peer does display |
| 582 | wps.setup = WpsInfo.KEYPAD; |
| 583 | } else { |
| 584 | wps.setup = WpsInfo.DISPLAY; |
| 585 | } |
| 586 | config.wps = wps; |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 587 | config.deviceAddress = mConnectingDevice.deviceAddress; |
Irfan Sheriff | e0c28d5 | 2012-09-18 12:05:31 -0700 | [diff] [blame] | 588 | // Helps with STA & P2P concurrency |
Irfan Sheriff | 99766cf | 2012-09-20 17:18:20 -0700 | [diff] [blame] | 589 | config.groupOwnerIntent = WifiP2pConfig.MIN_GROUP_OWNER_INTENT; |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 590 | |
Jeff Brown | c2b9ea6 | 2012-09-19 23:09:23 -0700 | [diff] [blame] | 591 | WifiDisplay display = createWifiDisplay(mConnectingDevice); |
| 592 | advertiseDisplay(display, null, 0, 0, 0); |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 593 | |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 594 | final WifiP2pDevice newDevice = mDesiredDevice; |
| 595 | mWifiP2pManager.connect(mWifiP2pChannel, config, new ActionListener() { |
| 596 | @Override |
| 597 | public void onSuccess() { |
| 598 | // The connection may not yet be established. We still need to wait |
| 599 | // for WIFI_P2P_CONNECTION_CHANGED_ACTION. However, we might never |
| 600 | // get that broadcast, so we register a timeout. |
| 601 | Slog.i(TAG, "Initiated connection to Wifi display: " + newDevice.deviceName); |
| 602 | |
| 603 | mHandler.postDelayed(mConnectionTimeout, CONNECTION_TIMEOUT_SECONDS * 1000); |
| 604 | } |
| 605 | |
| 606 | @Override |
| 607 | public void onFailure(int reason) { |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 608 | if (mConnectingDevice == newDevice) { |
Jeff Brown | f8f0edd | 2012-09-11 17:05:11 -0700 | [diff] [blame] | 609 | Slog.i(TAG, "Failed to initiate connection to Wifi display: " |
| 610 | + newDevice.deviceName + ", reason=" + reason); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 611 | mConnectingDevice = null; |
Jeff Brown | 0cfebf2 | 2012-09-07 17:41:20 -0700 | [diff] [blame] | 612 | handleConnectionFailure(false); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 613 | } |
| 614 | } |
| 615 | }); |
| 616 | return; // wait for asynchronous callback |
| 617 | } |
| 618 | |
Jeff Brown | f8f0edd | 2012-09-11 17:05:11 -0700 | [diff] [blame] | 619 | // Step 6. Listen for incoming connections. |
| 620 | if (mConnectedDevice != null && mRemoteDisplay == null) { |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 621 | Inet4Address addr = getInterfaceAddress(mConnectedDeviceGroupInfo); |
| 622 | if (addr == null) { |
| 623 | Slog.i(TAG, "Failed to get local interface address for communicating " |
| 624 | + "with Wifi display: " + mConnectedDevice.deviceName); |
Jeff Brown | 0cfebf2 | 2012-09-07 17:41:20 -0700 | [diff] [blame] | 625 | handleConnectionFailure(false); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 626 | return; // done |
| 627 | } |
| 628 | |
Jeff Brown | c9bd4ca | 2012-09-17 12:20:29 -0700 | [diff] [blame] | 629 | setRemoteSubmixOn(true); |
Jeff Brown | f110a37 | 2013-04-17 20:25:36 -0700 | [diff] [blame] | 630 | mWifiP2pManager.setMiracastMode(WifiP2pManager.MIRACAST_SOURCE); |
Jeff Brown | c9bd4ca | 2012-09-17 12:20:29 -0700 | [diff] [blame] | 631 | |
Jeff Brown | f8f0edd | 2012-09-11 17:05:11 -0700 | [diff] [blame] | 632 | final WifiP2pDevice oldDevice = mConnectedDevice; |
Jeff Brown | 0f68d16 | 2012-09-11 12:18:15 -0700 | [diff] [blame] | 633 | final int port = getPortNumber(mConnectedDevice); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 634 | final String iface = addr.getHostAddress() + ":" + port; |
Jeff Brown | f8f0edd | 2012-09-11 17:05:11 -0700 | [diff] [blame] | 635 | mRemoteDisplayInterface = iface; |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 636 | |
Jeff Brown | f8f0edd | 2012-09-11 17:05:11 -0700 | [diff] [blame] | 637 | Slog.i(TAG, "Listening for RTSP connection on " + iface |
| 638 | + " from Wifi display: " + mConnectedDevice.deviceName); |
| 639 | |
| 640 | mRemoteDisplay = RemoteDisplay.listen(iface, new RemoteDisplay.Listener() { |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 641 | @Override |
Jeff Brown | c2b9ea6 | 2012-09-19 23:09:23 -0700 | [diff] [blame] | 642 | public void onDisplayConnected(Surface surface, |
| 643 | int width, int height, int flags) { |
Jeff Brown | f8f0edd | 2012-09-11 17:05:11 -0700 | [diff] [blame] | 644 | if (mConnectedDevice == oldDevice && !mRemoteDisplayConnected) { |
| 645 | Slog.i(TAG, "Opened RTSP connection with Wifi display: " |
| 646 | + mConnectedDevice.deviceName); |
| 647 | mRemoteDisplayConnected = true; |
| 648 | mHandler.removeCallbacks(mRtspTimeout); |
| 649 | |
| 650 | final WifiDisplay display = createWifiDisplay(mConnectedDevice); |
Jeff Brown | c2b9ea6 | 2012-09-19 23:09:23 -0700 | [diff] [blame] | 651 | advertiseDisplay(display, surface, width, height, flags); |
Jeff Brown | f8f0edd | 2012-09-11 17:05:11 -0700 | [diff] [blame] | 652 | } |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 653 | } |
Jeff Brown | f8f0edd | 2012-09-11 17:05:11 -0700 | [diff] [blame] | 654 | |
| 655 | @Override |
| 656 | public void onDisplayDisconnected() { |
| 657 | if (mConnectedDevice == oldDevice) { |
| 658 | Slog.i(TAG, "Closed RTSP connection with Wifi display: " |
| 659 | + mConnectedDevice.deviceName); |
| 660 | mHandler.removeCallbacks(mRtspTimeout); |
| 661 | disconnect(); |
| 662 | } |
| 663 | } |
| 664 | |
| 665 | @Override |
| 666 | public void onDisplayError(int error) { |
| 667 | if (mConnectedDevice == oldDevice) { |
| 668 | Slog.i(TAG, "Lost RTSP connection with Wifi display due to error " |
| 669 | + error + ": " + mConnectedDevice.deviceName); |
| 670 | mHandler.removeCallbacks(mRtspTimeout); |
| 671 | handleConnectionFailure(false); |
| 672 | } |
| 673 | } |
| 674 | }, mHandler); |
| 675 | |
| 676 | mHandler.postDelayed(mRtspTimeout, RTSP_TIMEOUT_SECONDS * 1000); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 677 | } |
| 678 | } |
| 679 | |
Jeff Brown | c9bd4ca | 2012-09-17 12:20:29 -0700 | [diff] [blame] | 680 | private void setRemoteSubmixOn(boolean on) { |
| 681 | if (mRemoteSubmixOn != on) { |
| 682 | mRemoteSubmixOn = on; |
| 683 | mAudioManager.setRemoteSubmixOn(on, REMOTE_SUBMIX_ADDRESS); |
| 684 | } |
| 685 | } |
| 686 | |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 687 | private void handleStateChanged(boolean enabled) { |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 688 | mWifiP2pEnabled = enabled; |
| 689 | updateWfdEnableState(); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 690 | } |
| 691 | |
| 692 | private void handlePeersChanged() { |
Irfan Sheriff | 56925d6 | 2012-10-01 23:01:57 -0700 | [diff] [blame] | 693 | // Even if wfd is disabled, it is best to get the latest set of peers to |
| 694 | // keep in sync with the p2p framework |
| 695 | requestPeers(); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 696 | } |
| 697 | |
| 698 | private void handleConnectionChanged(NetworkInfo networkInfo) { |
| 699 | mNetworkInfo = networkInfo; |
Jeff Brown | 180bbc7 | 2012-09-08 23:15:00 -0700 | [diff] [blame] | 700 | if (mWfdEnabled && networkInfo.isConnected()) { |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 701 | if (mDesiredDevice != null) { |
| 702 | mWifiP2pManager.requestGroupInfo(mWifiP2pChannel, new GroupInfoListener() { |
| 703 | @Override |
| 704 | public void onGroupInfoAvailable(WifiP2pGroup info) { |
| 705 | if (DEBUG) { |
| 706 | Slog.d(TAG, "Received group info: " + describeWifiP2pGroup(info)); |
| 707 | } |
| 708 | |
| 709 | if (mConnectingDevice != null && !info.contains(mConnectingDevice)) { |
| 710 | Slog.i(TAG, "Aborting connection to Wifi display because " |
| 711 | + "the current P2P group does not contain the device " |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 712 | + "we expected to find: " + mConnectingDevice.deviceName |
| 713 | + ", group info was: " + describeWifiP2pGroup(info)); |
Jeff Brown | 0cfebf2 | 2012-09-07 17:41:20 -0700 | [diff] [blame] | 714 | handleConnectionFailure(false); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 715 | return; |
| 716 | } |
| 717 | |
| 718 | if (mDesiredDevice != null && !info.contains(mDesiredDevice)) { |
| 719 | disconnect(); |
| 720 | return; |
| 721 | } |
| 722 | |
| 723 | if (mConnectingDevice != null && mConnectingDevice == mDesiredDevice) { |
Jeff Brown | 0cfebf2 | 2012-09-07 17:41:20 -0700 | [diff] [blame] | 724 | Slog.i(TAG, "Connected to Wifi display: " |
| 725 | + mConnectingDevice.deviceName); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 726 | |
| 727 | mHandler.removeCallbacks(mConnectionTimeout); |
| 728 | mConnectedDeviceGroupInfo = info; |
| 729 | mConnectedDevice = mConnectingDevice; |
| 730 | mConnectingDevice = null; |
| 731 | updateConnection(); |
| 732 | } |
| 733 | } |
| 734 | }); |
| 735 | } |
| 736 | } else { |
| 737 | disconnect(); |
Jeff Brown | 180bbc7 | 2012-09-08 23:15:00 -0700 | [diff] [blame] | 738 | |
| 739 | // After disconnection for a group, for some reason we have a tendency |
| 740 | // to get a peer change notification with an empty list of peers. |
| 741 | // Perform a fresh scan. |
| 742 | if (mWfdEnabled) { |
| 743 | requestPeers(); |
| 744 | } |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 745 | } |
| 746 | } |
| 747 | |
| 748 | private final Runnable mConnectionTimeout = new Runnable() { |
| 749 | @Override |
| 750 | public void run() { |
| 751 | if (mConnectingDevice != null && mConnectingDevice == mDesiredDevice) { |
| 752 | Slog.i(TAG, "Timed out waiting for Wifi display connection after " |
| 753 | + CONNECTION_TIMEOUT_SECONDS + " seconds: " |
| 754 | + mConnectingDevice.deviceName); |
Jeff Brown | 0cfebf2 | 2012-09-07 17:41:20 -0700 | [diff] [blame] | 755 | handleConnectionFailure(true); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 756 | } |
| 757 | } |
| 758 | }; |
| 759 | |
Jeff Brown | f8f0edd | 2012-09-11 17:05:11 -0700 | [diff] [blame] | 760 | private final Runnable mRtspTimeout = new Runnable() { |
| 761 | @Override |
| 762 | public void run() { |
| 763 | if (mConnectedDevice != null |
| 764 | && mRemoteDisplay != null && !mRemoteDisplayConnected) { |
| 765 | Slog.i(TAG, "Timed out waiting for Wifi display RTSP connection after " |
| 766 | + RTSP_TIMEOUT_SECONDS + " seconds: " |
| 767 | + mConnectedDevice.deviceName); |
| 768 | handleConnectionFailure(true); |
| 769 | } |
| 770 | } |
| 771 | }; |
| 772 | |
Jeff Brown | 0cfebf2 | 2012-09-07 17:41:20 -0700 | [diff] [blame] | 773 | private void handleConnectionFailure(boolean timeoutOccurred) { |
Jeff Brown | f8f0edd | 2012-09-11 17:05:11 -0700 | [diff] [blame] | 774 | Slog.i(TAG, "Wifi display connection failed!"); |
| 775 | |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 776 | if (mDesiredDevice != null) { |
Jeff Brown | 0cfebf2 | 2012-09-07 17:41:20 -0700 | [diff] [blame] | 777 | if (mConnectionRetriesLeft > 0) { |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 778 | final WifiP2pDevice oldDevice = mDesiredDevice; |
Jeff Brown | 0cfebf2 | 2012-09-07 17:41:20 -0700 | [diff] [blame] | 779 | mHandler.postDelayed(new Runnable() { |
| 780 | @Override |
| 781 | public void run() { |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 782 | if (mDesiredDevice == oldDevice && mConnectionRetriesLeft > 0) { |
| 783 | mConnectionRetriesLeft -= 1; |
| 784 | Slog.i(TAG, "Retrying Wifi display connection. Retries left: " |
| 785 | + mConnectionRetriesLeft); |
| 786 | retryConnection(); |
| 787 | } |
Jeff Brown | 0cfebf2 | 2012-09-07 17:41:20 -0700 | [diff] [blame] | 788 | } |
| 789 | }, timeoutOccurred ? 0 : CONNECT_RETRY_DELAY_MILLIS); |
| 790 | } else { |
| 791 | disconnect(); |
| 792 | } |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 793 | } |
| 794 | } |
| 795 | |
Jeff Brown | c2b9ea6 | 2012-09-19 23:09:23 -0700 | [diff] [blame] | 796 | private void advertiseDisplay(final WifiDisplay display, |
| 797 | final Surface surface, final int width, final int height, final int flags) { |
| 798 | if (!Objects.equal(mAdvertisedDisplay, display) |
| 799 | || mAdvertisedDisplaySurface != surface |
| 800 | || mAdvertisedDisplayWidth != width |
| 801 | || mAdvertisedDisplayHeight != height |
| 802 | || mAdvertisedDisplayFlags != flags) { |
| 803 | final WifiDisplay oldDisplay = mAdvertisedDisplay; |
| 804 | final Surface oldSurface = mAdvertisedDisplaySurface; |
| 805 | |
| 806 | mAdvertisedDisplay = display; |
| 807 | mAdvertisedDisplaySurface = surface; |
| 808 | mAdvertisedDisplayWidth = width; |
| 809 | mAdvertisedDisplayHeight = height; |
| 810 | mAdvertisedDisplayFlags = flags; |
| 811 | |
| 812 | mHandler.post(new Runnable() { |
| 813 | @Override |
| 814 | public void run() { |
| 815 | if (oldSurface != null && surface != oldSurface) { |
| 816 | mListener.onDisplayDisconnected(); |
Jeff Brown | 74da109 | 2012-11-07 16:02:13 -0800 | [diff] [blame] | 817 | } else if (oldDisplay != null && !oldDisplay.hasSameAddress(display)) { |
Jeff Brown | c2b9ea6 | 2012-09-19 23:09:23 -0700 | [diff] [blame] | 818 | mListener.onDisplayConnectionFailed(); |
| 819 | } |
| 820 | |
| 821 | if (display != null) { |
Jeff Brown | 74da109 | 2012-11-07 16:02:13 -0800 | [diff] [blame] | 822 | if (!display.hasSameAddress(oldDisplay)) { |
Jeff Brown | c2b9ea6 | 2012-09-19 23:09:23 -0700 | [diff] [blame] | 823 | mListener.onDisplayConnecting(display); |
Jeff Brown | 74da109 | 2012-11-07 16:02:13 -0800 | [diff] [blame] | 824 | } else if (!display.equals(oldDisplay)) { |
| 825 | // The address is the same but some other property such as the |
| 826 | // name must have changed. |
| 827 | mListener.onDisplayChanged(display); |
Jeff Brown | c2b9ea6 | 2012-09-19 23:09:23 -0700 | [diff] [blame] | 828 | } |
| 829 | if (surface != null && surface != oldSurface) { |
| 830 | mListener.onDisplayConnected(display, surface, width, height, flags); |
| 831 | } |
| 832 | } |
| 833 | } |
| 834 | }); |
| 835 | } |
| 836 | } |
| 837 | |
| 838 | private void unadvertiseDisplay() { |
| 839 | advertiseDisplay(null, null, 0, 0, 0); |
| 840 | } |
| 841 | |
Jeff Brown | 74da109 | 2012-11-07 16:02:13 -0800 | [diff] [blame] | 842 | private void readvertiseDisplay(WifiDisplay display) { |
| 843 | advertiseDisplay(display, mAdvertisedDisplaySurface, |
| 844 | mAdvertisedDisplayWidth, mAdvertisedDisplayHeight, |
| 845 | mAdvertisedDisplayFlags); |
| 846 | } |
| 847 | |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 848 | private static Inet4Address getInterfaceAddress(WifiP2pGroup info) { |
| 849 | NetworkInterface iface; |
| 850 | try { |
| 851 | iface = NetworkInterface.getByName(info.getInterface()); |
| 852 | } catch (SocketException ex) { |
| 853 | Slog.w(TAG, "Could not obtain address of network interface " |
| 854 | + info.getInterface(), ex); |
| 855 | return null; |
| 856 | } |
| 857 | |
| 858 | Enumeration<InetAddress> addrs = iface.getInetAddresses(); |
| 859 | while (addrs.hasMoreElements()) { |
| 860 | InetAddress addr = addrs.nextElement(); |
| 861 | if (addr instanceof Inet4Address) { |
| 862 | return (Inet4Address)addr; |
| 863 | } |
| 864 | } |
| 865 | |
| 866 | Slog.w(TAG, "Could not obtain address of network interface " |
| 867 | + info.getInterface() + " because it had no IPv4 addresses."); |
| 868 | return null; |
| 869 | } |
| 870 | |
Jeff Brown | 0f68d16 | 2012-09-11 12:18:15 -0700 | [diff] [blame] | 871 | private static int getPortNumber(WifiP2pDevice device) { |
| 872 | if (device.deviceName.startsWith("DIRECT-") |
| 873 | && device.deviceName.endsWith("Broadcom")) { |
| 874 | // These dongles ignore the port we broadcast in our WFD IE. |
| 875 | return 8554; |
| 876 | } |
| 877 | return DEFAULT_CONTROL_PORT; |
| 878 | } |
| 879 | |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 880 | private static boolean isWifiDisplay(WifiP2pDevice device) { |
Jeff Brown | 0f68d16 | 2012-09-11 12:18:15 -0700 | [diff] [blame] | 881 | return device.wfdInfo != null |
| 882 | && device.wfdInfo.isWfdEnabled() |
| 883 | && isPrimarySinkDeviceType(device.wfdInfo.getDeviceType()); |
| 884 | } |
| 885 | |
| 886 | private static boolean isPrimarySinkDeviceType(int deviceType) { |
| 887 | return deviceType == WifiP2pWfdInfo.PRIMARY_SINK |
| 888 | || deviceType == WifiP2pWfdInfo.SOURCE_OR_PRIMARY_SINK; |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 889 | } |
| 890 | |
| 891 | private static String describeWifiP2pDevice(WifiP2pDevice device) { |
| 892 | return device != null ? device.toString().replace('\n', ',') : "null"; |
| 893 | } |
| 894 | |
| 895 | private static String describeWifiP2pGroup(WifiP2pGroup group) { |
| 896 | return group != null ? group.toString().replace('\n', ',') : "null"; |
| 897 | } |
| 898 | |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 899 | private static WifiDisplay createWifiDisplay(WifiP2pDevice device) { |
Chong Zhang | 21f6039 | 2013-06-04 18:01:46 -0700 | [diff] [blame] | 900 | return new WifiDisplay(device.deviceAddress, device.deviceName, null, |
Chong Zhang | ab87a63 | 2013-06-11 10:25:49 -0700 | [diff] [blame] | 901 | true, device.wfdInfo.isSessionAvailable(), false); |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 902 | } |
| 903 | |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 904 | private final BroadcastReceiver mWifiP2pReceiver = new BroadcastReceiver() { |
| 905 | @Override |
| 906 | public void onReceive(Context context, Intent intent) { |
| 907 | final String action = intent.getAction(); |
| 908 | if (action.equals(WifiP2pManager.WIFI_P2P_STATE_CHANGED_ACTION)) { |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 909 | // This broadcast is sticky so we'll always get the initial Wifi P2P state |
| 910 | // on startup. |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 911 | boolean enabled = (intent.getIntExtra(WifiP2pManager.EXTRA_WIFI_STATE, |
| 912 | WifiP2pManager.WIFI_P2P_STATE_DISABLED)) == |
| 913 | WifiP2pManager.WIFI_P2P_STATE_ENABLED; |
| 914 | if (DEBUG) { |
| 915 | Slog.d(TAG, "Received WIFI_P2P_STATE_CHANGED_ACTION: enabled=" |
| 916 | + enabled); |
| 917 | } |
| 918 | |
| 919 | handleStateChanged(enabled); |
| 920 | } else if (action.equals(WifiP2pManager.WIFI_P2P_PEERS_CHANGED_ACTION)) { |
| 921 | if (DEBUG) { |
| 922 | Slog.d(TAG, "Received WIFI_P2P_PEERS_CHANGED_ACTION."); |
| 923 | } |
| 924 | |
| 925 | handlePeersChanged(); |
| 926 | } else if (action.equals(WifiP2pManager.WIFI_P2P_CONNECTION_CHANGED_ACTION)) { |
| 927 | NetworkInfo networkInfo = (NetworkInfo)intent.getParcelableExtra( |
| 928 | WifiP2pManager.EXTRA_NETWORK_INFO); |
| 929 | if (DEBUG) { |
| 930 | Slog.d(TAG, "Received WIFI_P2P_CONNECTION_CHANGED_ACTION: networkInfo=" |
| 931 | + networkInfo); |
| 932 | } |
| 933 | |
| 934 | handleConnectionChanged(networkInfo); |
| 935 | } |
| 936 | } |
| 937 | }; |
| 938 | |
| 939 | /** |
| 940 | * Called on the handler thread when displays are connected or disconnected. |
| 941 | */ |
| 942 | public interface Listener { |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 943 | void onFeatureStateChanged(int featureState); |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 944 | |
| 945 | void onScanStarted(); |
Jeff Brown | 89d5546 | 2012-09-19 11:33:42 -0700 | [diff] [blame] | 946 | void onScanFinished(WifiDisplay[] availableDisplays); |
Jeff Brown | e08ae38 | 2012-09-07 20:36:36 -0700 | [diff] [blame] | 947 | |
| 948 | void onDisplayConnecting(WifiDisplay display); |
| 949 | void onDisplayConnectionFailed(); |
Jeff Brown | 74da109 | 2012-11-07 16:02:13 -0800 | [diff] [blame] | 950 | void onDisplayChanged(WifiDisplay display); |
Jeff Brown | f8f0edd | 2012-09-11 17:05:11 -0700 | [diff] [blame] | 951 | void onDisplayConnected(WifiDisplay display, |
| 952 | Surface surface, int width, int height, int flags); |
Jeff Brown | cbad976 | 2012-09-04 21:57:59 -0700 | [diff] [blame] | 953 | void onDisplayDisconnected(); |
| 954 | } |
| 955 | } |