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   1 /**
   2  * Copyright (c) 2010-2022 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.velux.internal.discovery;
  14
  15 import static org.openhab.binding.velux.internal.VeluxBindingConstants.*;
  16
  17 import java.util.HashSet;
  18 import java.util.Set;
  19 import java.util.concurrent.ScheduledFuture;
  20 import java.util.concurrent.TimeUnit;
  21
  22 import org.eclipse.jdt.annotation.NonNullByDefault;
  23 import org.eclipse.jdt.annotation.Nullable;
  24 import org.openhab.binding.velux.internal.VeluxBindingConstants;
  25 import org.openhab.binding.velux.internal.VeluxBindingProperties;
  26 import org.openhab.binding.velux.internal.config.VeluxBridgeConfiguration;
  27 import org.openhab.binding.velux.internal.handler.VeluxBridgeHandler;
  28 import org.openhab.binding.velux.internal.things.VeluxProduct;
  29 import org.openhab.binding.velux.internal.things.VeluxProductSerialNo;
  30 import org.openhab.binding.velux.internal.things.VeluxScene;
  31 import org.openhab.binding.velux.internal.utils.Localization;
  32 import org.openhab.binding.velux.internal.utils.ManifestInformation;
  33 import org.openhab.core.config.discovery.AbstractDiscoveryService;
  34 import org.openhab.core.config.discovery.DiscoveryResult;
  35 import org.openhab.core.config.discovery.DiscoveryResultBuilder;
  36 import org.openhab.core.config.discovery.DiscoveryService;
  37 import org.openhab.core.i18n.LocaleProvider;
  38 import org.openhab.core.i18n.LocationProvider;
  39 import org.openhab.core.i18n.TranslationProvider;
  40 import org.openhab.core.thing.ThingTypeUID;
  41 import org.openhab.core.thing.ThingUID;
  42 import org.osgi.service.component.annotations.Component;
  43 import org.osgi.service.component.annotations.Reference;
  44 import org.slf4j.Logger;
  45 import org.slf4j.LoggerFactory;
  46
  47 /**
  48  * The {@link VeluxDiscoveryService} is responsible for discovering actuators and scenes on the current Velux Bridge.
  49  *
  50  * @author Guenther Schreiner - Initial contribution.
  51  */
  52 @NonNullByDefault
  53 @Component(service = DiscoveryService.class, configurationPid = "discovery.velux")
  54 public class VeluxDiscoveryService extends AbstractDiscoveryService implements Runnable {
  55     private final Logger logger = LoggerFactory.getLogger(VeluxDiscoveryService.class);
  56
  57     // Class internal
  58
  59     private static final int DISCOVER_TIMEOUT_SECONDS = 60;
  60
  61     private @NonNullByDefault({}) LocaleProvider localeProvider;
  62     private @NonNullByDefault({}) TranslationProvider i18nProvider;
  63     private Localization localization = Localization.UNKNOWN;
  64     private final Set<VeluxBridgeHandler> bridgeHandlers = new HashSet<>();
  65
  66     @Nullable
  67     private ScheduledFuture<?> backgroundTask = null;
  68
  69     // Private
  70
  71     private void updateLocalization() {
  72         if (Localization.UNKNOWN.equals(localization) && (localeProvider != null) && (i18nProvider != null)) {
  73             logger.trace("updateLocalization(): creating Localization based on locale={},translation={}).",
  74                     localeProvider, i18nProvider);
  75             localization = new Localization(localeProvider, i18nProvider);
  76         }
  77     }
  78
  79     /**
  80      * Constructor
  81      * <P>
  82      * Initializes the {@link VeluxDiscoveryService} without any further information.
  83      */
  84     public VeluxDiscoveryService() {
  85         super(VeluxBindingConstants.DISCOVERABLE_THINGS, DISCOVER_TIMEOUT_SECONDS);
  86         logger.trace("VeluxDiscoveryService(without Bridge) just initialized.");
  87     }
  88
  89     @Reference
  90     protected void setLocaleProvider(final LocaleProvider givenLocaleProvider) {
  91         logger.trace("setLocaleProvider(): provided locale={}.", givenLocaleProvider);
  92         localeProvider = givenLocaleProvider;
  93         updateLocalization();
  94     }
  95
  96     @Reference
  97     protected void setTranslationProvider(TranslationProvider givenI18nProvider) {
  98         logger.trace("setTranslationProvider(): provided translation={}.", givenI18nProvider);
  99         i18nProvider = givenI18nProvider;
 100         updateLocalization();
 101     }
 102
 103     /**
 104      * Constructor
 105      * <P>
 106      * Initializes the {@link VeluxDiscoveryService} with a reference to the well-prepared environment with a
 107      * {@link VeluxBridgeHandler}.
 108      *
 109      * @param localizationHandler Initialized localization handler.
 110      */
 111     public VeluxDiscoveryService(Localization localizationHandler) {
 112         super(VeluxBindingConstants.DISCOVERABLE_THINGS, DISCOVER_TIMEOUT_SECONDS);
 113         logger.trace("VeluxDiscoveryService(locale={},i18n={}) just initialized.", localeProvider, i18nProvider);
 114         localization = localizationHandler;
 115     }
 116
 117     /**
 118      * Constructor
 119      * <P>
 120      * Initializes the {@link VeluxDiscoveryService} with a reference to the well-prepared environment with a
 121      * {@link VeluxBridgeHandler}.
 122      *
 123      * @param locationProvider Provider for a location.
 124      * @param localeProvider Provider for a locale.
 125      * @param i18nProvider Provider for the internationalization.
 126      */
 127     public VeluxDiscoveryService(LocationProvider locationProvider, LocaleProvider localeProvider,
 128             TranslationProvider i18nProvider) {
 129         this(new Localization(localeProvider, i18nProvider));
 130         logger.trace("VeluxDiscoveryService(locale={},i18n={}) finished.", localeProvider, i18nProvider);
 131     }
 132
 133     @Override
 134     public void deactivate() {
 135         logger.trace("deactivate() called.");
 136         super.deactivate();
 137     }
 138
 139     @Override
 140     protected synchronized void startScan() {
 141         logger.trace("startScan() called.");
 142
 143         logger.debug("startScan(): creating a thing of type binding.");
 144         ThingUID thingUID = new ThingUID(THING_TYPE_BINDING, "org_openhab_binding_velux");
 145         DiscoveryResult discoveryResult = DiscoveryResultBuilder.create(thingUID)
 146                 .withProperty(VeluxBindingProperties.PROPERTY_BINDING_BUNDLEVERSION,
 147                         ManifestInformation.getBundleVersion())
 148                 .withRepresentationProperty(VeluxBindingProperties.PROPERTY_BINDING_BUNDLEVERSION)
 149                 .withLabel(localization.getText("discovery.velux.binding...label")).build();
 150         logger.debug("startScan(): registering new thing {}.", discoveryResult);
 151         thingDiscovered(discoveryResult);
 152
 153         scheduler.execute(() -> {
 154             discoverBridges();
 155         });
 156
 157         if (bridgeHandlers.isEmpty()) {
 158             logger.debug("startScan(): VeluxDiscoveryService cannot proceed due to missing Velux bridge(s).");
 159         } else {
 160             logger.debug("startScan(): Starting Velux discovery scan for scenes and actuators.");
 161             discoverScenes();
 162             discoverProducts();
 163         }
 164         logger.trace("startScan() done.");
 165     }
 166
 167     @Override
 168     public synchronized void stopScan() {
 169         logger.trace("stopScan() called.");
 170         super.stopScan();
 171         logger.trace("stopScan() done.");
 172     }
 173
 174     @Override
 175     public void run() {
 176         logger.trace("run() called.");
 177     }
 178
 179     /**
 180      * Discover the gateway-defined scenes.
 181      */
 182     private void discoverScenes() {
 183         logger.trace("discoverScenes() called.");
 184         for (VeluxBridgeHandler bridgeHandlerX : bridgeHandlers) {
 185             ThingUID bridgeUID = bridgeHandlerX.getThing().getUID();
 186             logger.debug("discoverScenes(): discovering all scenes on bridge {}.", bridgeUID);
 187             for (VeluxScene scene : bridgeHandlerX.existingScenes().values()) {
 188                 String sceneName = scene.getName().toString();
 189                 logger.trace("discoverScenes(): found scene {}.", sceneName);
 190
 191                 String label = sceneName.replaceAll("\\P{Alnum}", "_");
 192                 logger.trace("discoverScenes(): using label {}.", label);
 193
 194                 ThingTypeUID thingTypeUID = THING_TYPE_VELUX_SCENE;
 195                 ThingUID thingUID = new ThingUID(thingTypeUID, bridgeUID, label);
 196                 DiscoveryResult discoveryResult = DiscoveryResultBuilder.create(thingUID).withThingType(thingTypeUID)
 197                         .withProperty(VeluxBindingProperties.PROPERTY_SCENE_NAME, sceneName)
 198                         .withRepresentationProperty(VeluxBindingProperties.PROPERTY_SCENE_NAME).withBridge(bridgeUID)
 199                         .withLabel(label).build();
 200                 logger.debug("discoverScenes(): registering new thing {}.", discoveryResult);
 201                 thingDiscovered(discoveryResult);
 202             }
 203         }
 204         logger.trace("discoverScenes() finished.");
 205     }
 206
 207     /**
 208      * Discover the gateway-defined products/actuators.
 209      */
 210     private void discoverProducts() {
 211         logger.trace("discoverProducts() called.");
 212         for (VeluxBridgeHandler bridgeHandlerX : bridgeHandlers) {
 213             ThingUID bridgeUID = bridgeHandlerX.getThing().getUID();
 214             logger.debug("discoverProducts(): discovering all actuators on bridge {}.", bridgeUID);
 215             for (VeluxProduct product : bridgeHandlerX.existingProducts().values()) {
 216                 String serialNumber = product.getSerialNumber();
 217                 String actuatorName = product.getProductName().toString();
 218                 logger.trace("discoverProducts() found actuator {} (name {}).", serialNumber, actuatorName);
 219                 String identifier;
 220                 if (serialNumber.equals(VeluxProductSerialNo.UNKNOWN)) {
 221                     identifier = actuatorName;
 222                 } else {
 223                     identifier = serialNumber;
 224                 }
 225                 String label = actuatorName.replaceAll("\\P{Alnum}", "_");
 226                 logger.trace("discoverProducts(): using label {}.", label);
 227                 ThingTypeUID thingTypeUID;
 228                 boolean isInverted = false;
 229                 logger.trace("discoverProducts() dealing with {} (type {}).", product, product.getProductType());
 230                 switch (product.getProductType()) {
 231                     case SLIDER_WINDOW:
 232                         logger.trace("discoverProducts(): creating window.");
 233                         thingTypeUID = THING_TYPE_VELUX_WINDOW;
 234                         isInverted = true;
 235                         break;
 236
 237                     case SLIDER_SHUTTER:
 238                         logger.trace("discoverProducts(): creating rollershutter.");
 239                         thingTypeUID = THING_TYPE_VELUX_ROLLERSHUTTER;
 240                         break;
 241
 242                     default:
 243                         logger.trace("discoverProducts(): creating actuator.");
 244                         thingTypeUID = THING_TYPE_VELUX_ACTUATOR;
 245                 }
 246                 ThingUID thingUID = new ThingUID(thingTypeUID, bridgeUID, label);
 247
 248                 DiscoveryResult discoveryResult = DiscoveryResultBuilder.create(thingUID).withThingType(thingTypeUID)
 249                         .withProperty(VeluxBindingProperties.CONFIG_ACTUATOR_SERIALNUMBER, identifier)
 250                         .withProperty(VeluxBindingProperties.PROPERTY_ACTUATOR_NAME, actuatorName)
 251                         .withProperty(VeluxBindingProperties.PROPERTY_ACTUATOR_INVERTED, isInverted)
 252                         .withRepresentationProperty(VeluxBindingProperties.CONFIG_ACTUATOR_SERIALNUMBER)
 253                         .withBridge(bridgeUID).withLabel(actuatorName).build();
 254                 logger.debug("discoverProducts(): registering new thing {}.", discoveryResult);
 255                 thingDiscovered(discoveryResult);
 256             }
 257         }
 258         logger.trace("discoverProducts() finished.");
 259     }
 260
 261     /**
 262      * Add a {@link VeluxBridgeHandler} to the {@link VeluxDiscoveryService}
 263      *
 264      * @param bridge Velux bridge handler.
 265      * @return true if the bridge was added, or false if it was already present
 266      */
 267     public boolean addBridge(VeluxBridgeHandler bridge) {
 268         if (!bridgeHandlers.contains(bridge)) {
 269             logger.trace("VeluxDiscoveryService(): registering bridge {} for discovery.", bridge);
 270             bridgeHandlers.add(bridge);
 271             return true;
 272         }
 273         logger.trace("VeluxDiscoveryService(): bridge {} already registered for discovery.", bridge);
 274         return false;
 275     }
 276
 277     /**
 278      * Remove a {@link VeluxBridgeHandler} from the {@link VeluxDiscoveryService}
 279      *
 280      * @param bridge Velux bridge handler.
 281      * @return true if the bridge was removed, or false if it was not present
 282      */
 283     public boolean removeBridge(VeluxBridgeHandler bridge) {
 284         return bridgeHandlers.remove(bridge);
 285     }
 286
 287     /**
 288      * Check if the {@link VeluxDiscoveryService} list of {@link VeluxBridgeHandler} is empty
 289      *
 290      * @return true if empty
 291      */
 292     public boolean isEmpty() {
 293         return bridgeHandlers.isEmpty();
 294     }
 295
 296     /**
 297      * Discover any bridges on the network that are not yet instantiated.
 298      */
 299     private void discoverBridges() {
 300         // discover the list of IP addresses of bridges on the network
 301         Set<String> foundBridgeIpAddresses = VeluxBridgeFinder.discoverIpAddresses(scheduler);
 302         // publish discovery results
 303         for (String ipAddr : foundBridgeIpAddresses) {
 304             ThingUID thingUID = new ThingUID(THING_TYPE_BRIDGE, ipAddr.replace(".", "_"));
 305             DiscoveryResult result = DiscoveryResultBuilder.create(thingUID).withThingType(THING_TYPE_BRIDGE)
 306                     .withProperty(VeluxBridgeConfiguration.BRIDGE_IPADDRESS, ipAddr)
 307                     .withRepresentationProperty(VeluxBridgeConfiguration.BRIDGE_IPADDRESS)
 308                     .withLabel(String.format("Velux Bridge (%s)", ipAddr)).build();
 309             thingDiscovered(result);
 310         }
 311     }
 312
 313     @Override
 314     protected void startBackgroundDiscovery() {
 315         logger.trace("startBackgroundDiscovery() called.");
 316         ScheduledFuture<?> task = this.backgroundTask;
 317         if (task == null || task.isCancelled()) {
 318             this.backgroundTask = scheduler.scheduleWithFixedDelay(this::startScan, 10, 600, TimeUnit.SECONDS);
 319         }
 320     }
 321
 322     @Override
 323     protected void stopBackgroundDiscovery() {
 324         logger.trace("stopBackgroundDiscovery() called.");
 325         ScheduledFuture<?> task = this.backgroundTask;
 326         if (task != null) {
 327             task.cancel(true);
 328         }
 329     }
 330 }