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   1 /**
   2  * Copyright (c) 2010-2023 Contributors to the openHAB project
   3  *
   4  * See the NOTICE file(s) distributed with this work for additional
   5  * information.
   6  *
   7  * This program and the accompanying materials are made available under the
   8  * terms of the Eclipse Public License 2.0 which is available at
   9  * http://www.eclipse.org/legal/epl-2.0
  10  *
  11  * SPDX-License-Identifier: EPL-2.0
  12  */
  13 package org.openhab.binding.yeelight.internal.lib.services;
  14
  15 import java.awt.Color;
  16 import java.io.IOException;
  17 import java.net.DatagramPacket;
  18 import java.net.InetAddress;
  19 import java.net.MulticastSocket;
  20 import java.net.NetworkInterface;
  21 import java.net.SocketException;
  22 import java.net.SocketTimeoutException;
  23 import java.util.ArrayList;
  24 import java.util.Collections;
  25 import java.util.HashMap;
  26 import java.util.List;
  27 import java.util.Map;
  28 import java.util.concurrent.ExecutorService;
  29 import java.util.concurrent.Executors;
  30 import java.util.stream.Collectors;
  31
  32 import org.openhab.binding.yeelight.internal.lib.device.DeviceBase;
  33 import org.openhab.binding.yeelight.internal.lib.device.DeviceFactory;
  34 import org.openhab.binding.yeelight.internal.lib.device.DeviceStatus;
  35 import org.openhab.binding.yeelight.internal.lib.device.DeviceWithAmbientLight;
  36 import org.openhab.binding.yeelight.internal.lib.device.DeviceWithNightlight;
  37 import org.openhab.binding.yeelight.internal.lib.enums.DeviceAction;
  38 import org.openhab.binding.yeelight.internal.lib.listeners.DeviceListener;
  39 import org.slf4j.Logger;
  40 import org.slf4j.LoggerFactory;
  41
  42 /**
  43  * The {@link DeviceManager} is a class for managing all devices.
  44  *
  45  * @author Coaster Li - Initial contribution
  46  * @author Joe Ho - Added duration
  47  * @author Nikita Pogudalov - Added name for Ceiling 1
  48  */
  49 public class DeviceManager {
  50     private final Logger logger = LoggerFactory.getLogger(DeviceManager.class);
  51
  52     private static final String TAG = DeviceManager.class.getSimpleName();
  53
  54     private static final String MULTI_CAST_HOST = "239.255.255.250";
  55     private static final int MULTI_CAST_PORT = 1982;
  56     private static final String DISCOVERY_MSG = "M-SEARCH * HTTP/1.1\r\n" + "HOST:" + MULTI_CAST_HOST + ":"
  57             + MULTI_CAST_PORT + "\r\n" + "MAN:\"ssdp:discover\"\r\n" + "ST:wifi_bulb\r\n";
  58
  59     private static final int TIMEOUT = 10000;
  60
  61     public static final DeviceManager sInstance = new DeviceManager();
  62     public volatile boolean mSearching = false;
  63
  64     public Map<String, DeviceBase> mDeviceList = new HashMap<>();
  65     public List<DeviceListener> mListeners = new ArrayList<>();
  66
  67     private ExecutorService executorService = Executors.newCachedThreadPool();
  68
  69     private DeviceManager() {
  70     }
  71
  72     public static DeviceManager getInstance() {
  73         return sInstance;
  74     }
  75
  76     public void registerDeviceListener(DeviceListener listener) {
  77         if (!mListeners.contains(listener)) {
  78             mListeners.add(listener);
  79         }
  80     }
  81
  82     public void unregisterDeviceListener(DeviceListener listener) {
  83         mListeners.remove(listener);
  84     }
  85
  86     public void startDiscovery() {
  87         startDiscovery(-1);
  88     }
  89
  90     public void startDiscovery(long timeToStop) {
  91         searchDevice();
  92         if (timeToStop > 0) {
  93             new Thread(() -> {
  94                 try {
  95                     Thread.sleep(timeToStop);
  96                 } catch (InterruptedException e) {
  97                     logger.debug("Interrupted while sleeping", e);
  98                 } finally {
  99                     stopDiscovery();
 100                 }
 101             }).start();
 102         }
 103     }
 104
 105     public void stopDiscovery() {
 106         mSearching = false;
 107     }
 108
 109     private void searchDevice() {
 110         if (mSearching) {
 111             logger.debug("{}: Already in discovery, return!", TAG);
 112             return;
 113         }
 114
 115         logger.debug("Starting Discovery");
 116
 117         try {
 118             final InetAddress multicastAddress = InetAddress.getByName(MULTI_CAST_HOST);
 119             final List<NetworkInterface> networkInterfaces = getNetworkInterfaces();
 120
 121             mSearching = true;
 122             for (final NetworkInterface networkInterface : networkInterfaces) {
 123                 logger.debug("Starting Discovery on: {}", networkInterface.getDisplayName());
 124
 125                 executorService.execute(() -> {
 126                     try (MulticastSocket multiSocket = new MulticastSocket(MULTI_CAST_PORT)) {
 127                         multiSocket.setSoTimeout(TIMEOUT);
 128                         multiSocket.setNetworkInterface(networkInterface);
 129                         multiSocket.joinGroup(multicastAddress);
 130
 131                         DatagramPacket dpSend = new DatagramPacket(DISCOVERY_MSG.getBytes(),
 132                                 DISCOVERY_MSG.getBytes().length, multicastAddress, MULTI_CAST_PORT);
 133                         multiSocket.send(dpSend);
 134
 135                         while (mSearching) {
 136                             byte[] buf = new byte[1024];
 137
 138                             DatagramPacket dpRecv = new DatagramPacket(buf, buf.length);
 139
 140                             try {
 141                                 multiSocket.receive(dpRecv);
 142                                 byte[] bytes = dpRecv.getData();
 143                                 StringBuilder buffer = new StringBuilder();
 144                                 for (int i = 0; i < dpRecv.getLength(); i++) {
 145                                     // parse /r
 146                                     if (bytes[i] == Character.LINE_SEPARATOR) {
 147                                         continue;
 148                                     }
 149                                     buffer.append((char) bytes[i]);
 150                                 }
 151
 152                                 String receivedMessage = buffer.toString();
 153
 154                                 logger.debug("{}: got message: {}", TAG, receivedMessage);
 155                                 // we can skip the request because we aren't interested in our own search broadcast
 156                                 // message.
 157                                 if (receivedMessage.startsWith("M-SEARCH")) {
 158                                     continue;
 159                                 }
 160
 161                                 String[] infos = receivedMessage.split("\n");
 162                                 Map<String, String> bulbInfo = new HashMap<>();
 163                                 for (String info : infos) {
 164                                     int index = info.indexOf(':');
 165                                     if (index == -1) {
 166                                         continue;
 167                                     }
 168                                     String key = info.substring(0, index).trim();
 169                                     String value = info.substring(index + 1).trim();
 170
 171                                     bulbInfo.put(key, value);
 172                                 }
 173                                 logger.debug("{}: got bulbInfo: {}", TAG, bulbInfo);
 174                                 if (bulbInfo.containsKey("model") && bulbInfo.containsKey("id")) {
 175                                     DeviceBase device = DeviceFactory.build(bulbInfo);
 176
 177                                     if (null == device) {
 178                                         logger.warn("Found unsupported device.");
 179                                         continue;
 180                                     }
 181                                     device.setDeviceName(bulbInfo.getOrDefault("name", ""));
 182
 183                                     if (mDeviceList.containsKey(device.getDeviceId())) {
 184                                         updateDevice(mDeviceList.get(device.getDeviceId()), bulbInfo);
 185                                     }
 186                                     notifyDeviceFound(device);
 187                                 }
 188                             } catch (SocketTimeoutException e) {
 189                                 logger.debug("Error timeout: {}", e.getMessage(), e);
 190                             }
 191
 192                         }
 193                     } catch (Exception e) {
 194                         if (!e.getMessage().contains("No IP addresses bound to interface")) {
 195                             logger.debug("Error getting ip addresses: {}", e.getMessage(), e);
 196                         }
 197                     }
 198                 });
 199             }
 200         } catch (IOException e) {
 201             logger.debug("Error getting ip addresses: {}", e.getMessage(), e);
 202         }
 203     }
 204
 205     private List<NetworkInterface> getNetworkInterfaces() throws SocketException {
 206         return Collections.list(NetworkInterface.getNetworkInterfaces()).stream().filter(device -> {
 207             try {
 208                 return device.isUp() && !device.isLoopback();
 209             } catch (SocketException e) {
 210                 logger.debug("Failed to get device information", e);
 211                 return false;
 212             }
 213         }).collect(Collectors.toList());
 214     }
 215
 216     private void notifyDeviceFound(DeviceBase device) {
 217         for (DeviceListener listener : mListeners) {
 218             listener.onDeviceFound(device);
 219         }
 220     }
 221
 222     public void doAction(String deviceId, DeviceAction action) {
 223         DeviceBase device = mDeviceList.get(deviceId);
 224         if (device != null) {
 225             switch (action) {
 226                 case open:
 227                     device.open(action.intDuration());
 228                     break;
 229                 case close:
 230                     device.close(action.intDuration());
 231                     break;
 232                 case brightness:
 233                     device.setBrightness(action.intValue(), action.intDuration());
 234                     break;
 235                 case color:
 236                     device.setColor(action.intValue(), action.intDuration());
 237                     break;
 238                 case colortemperature:
 239                     device.setCT(action.intValue(), action.intDuration());
 240                     break;
 241                 case increase_bright:
 242                     device.increaseBrightness(action.intDuration());
 243                     break;
 244                 case decrease_bright:
 245                     device.decreaseBrightness(action.intDuration());
 246                     break;
 247                 case increase_ct:
 248                     device.increaseCt(action.intDuration());
 249                     break;
 250                 case decrease_ct:
 251                     device.decreaseCt(action.intDuration());
 252                     break;
 253                 case background_color:
 254                     if (device instanceof DeviceWithAmbientLight) {
 255                         final String[] split = action.strValue().split(",");
 256
 257                         ((DeviceWithAmbientLight) device).setBackgroundColor(Integer.parseInt(split[0]),
 258                                 Integer.parseInt(split[1]), action.intDuration());
 259                     }
 260                     break;
 261                 case background_brightness:
 262                     if (device instanceof DeviceWithAmbientLight) {
 263                         ((DeviceWithAmbientLight) device).setBackgroundBrightness(action.intValue(),
 264                                 action.intDuration());
 265                     }
 266                     break;
 267                 case background_on:
 268                     if (device instanceof DeviceWithAmbientLight) {
 269                         ((DeviceWithAmbientLight) device).setBackgroundPower(true, action.intDuration());
 270                     }
 271                     break;
 272                 case background_off:
 273                     if (device instanceof DeviceWithAmbientLight) {
 274                         ((DeviceWithAmbientLight) device).setBackgroundPower(false, action.intDuration());
 275                     }
 276                     break;
 277                 case nightlight_off:
 278                     if (device instanceof DeviceWithNightlight) {
 279                         ((DeviceWithNightlight) device).toggleNightlightMode(false);
 280                     }
 281                     break;
 282                 case nightlight_on:
 283                     if (device instanceof DeviceWithNightlight) {
 284                         ((DeviceWithNightlight) device).toggleNightlightMode(true);
 285                     }
 286                     break;
 287                 default:
 288                     break;
 289             }
 290         }
 291     }
 292
 293     public void doCustomAction(String deviceId, String action, String params) {
 294         DeviceBase device = mDeviceList.get(deviceId);
 295         device.sendCustomCommand(action, params);
 296     }
 297
 298     public void addDevice(DeviceBase device) {
 299         mDeviceList.put(device.getDeviceId(), device);
 300     }
 301
 302     public void updateDevice(DeviceBase device, Map<String, String> bulbInfo) {
 303         String[] addressInfo = bulbInfo.get("Location").split(":");
 304         device.setAddress(addressInfo[1].substring(2));
 305         device.setPort(Integer.parseInt(addressInfo[2]));
 306         device.setOnline(true);
 307         DeviceStatus status = device.getDeviceStatus();
 308         String rgb = bulbInfo.get("rgb");
 309         if (rgb != null) {
 310             Color color = new Color(Integer.parseInt(rgb));
 311             status.setR(color.getRed());
 312             status.setG(color.getGreen());
 313             status.setB(color.getBlue());
 314         }
 315         String ct = bulbInfo.get("ct");
 316         if (ct != null) {
 317             status.setCt(Integer.parseInt(ct));
 318         }
 319         String hue = bulbInfo.get("hue");
 320         if (hue != null) {
 321             status.setHue(Integer.parseInt(hue));
 322         }
 323         String sat = bulbInfo.get("sat");
 324         if (sat != null) {
 325             status.setSat(Integer.parseInt(sat));
 326         }
 327     }
 328
 329     public static String getDefaultName(DeviceBase device) {
 330         if (device.getDeviceModel() != null && !device.getDeviceName().equals("")) {
 331             return device.getDeviceName();
 332         }
 333         switch (device.getDeviceType()) {
 334             case ceiling:
 335                 return "Yeelight LED Ceiling";
 336             case ceiling1:
 337             case ceiling3:
 338                 return "Yeelight LED Ceiling with night mode";
 339             case ceiling4:
 340                 return "Yeelight LED Ceiling with ambient light";
 341             case color:
 342             case color4:
 343                 return "Yeelight Color LED Bulb";
 344             case mono:
 345                 return "Yeelight White LED Bulb";
 346             case ct_bulb:
 347                 return "Yeelight White LED Bulb v2";
 348             case stripe:
 349             case strip6:
 350                 return "Yeelight Color LED Stripe";
 351             case desklamp:
 352                 return "Yeelight Mi LED Desk Lamp";
 353             default:
 354                 return "";
 355         }
 356     }
 357 }