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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.tapocontrol.internal.api;
  14
  15 import static org.openhab.binding.tapocontrol.internal.constants.TapoThingConstants.*;
  16
  17 import java.util.Dictionary;
  18 import java.util.Set;
  19
  20 import javax.jmdns.ServiceInfo;
  21
  22 import org.eclipse.jdt.annotation.NonNullByDefault;
  23 import org.eclipse.jdt.annotation.Nullable;
  24 import org.openhab.core.config.discovery.DiscoveryResult;
  25 import org.openhab.core.config.discovery.DiscoveryService;
  26 import org.openhab.core.config.discovery.mdns.MDNSDiscoveryParticipant;
  27 import org.openhab.core.thing.ThingTypeUID;
  28 import org.openhab.core.thing.ThingUID;
  29 import org.osgi.service.component.ComponentContext;
  30 import org.osgi.service.component.annotations.Activate;
  31 import org.osgi.service.component.annotations.Component;
  32 import org.osgi.service.component.annotations.Modified;
  33 import org.slf4j.Logger;
  34 import org.slf4j.LoggerFactory;
  35
  36 /**
  37  * Handler class for TAPO Smart Home thing discovery over mDNS
  38  *
  39  * @author Christian Wild - Initial contribution
  40  */
  41 @Component(configurationPid = "discovery.tapocontrol")
  42 @NonNullByDefault
  43 public class TapoMDNS implements MDNSDiscoveryParticipant {
  44     private final Logger logger = LoggerFactory.getLogger(TapoMDNS.class);
  45     private boolean isAutoDiscoveryEnabled = true;
  46
  47     @Activate
  48     protected void activate(ComponentContext componentContext) {
  49         activateOrModifyService(componentContext);
  50     }
  51
  52     @Modified
  53     protected void modified(ComponentContext componentContext) {
  54         activateOrModifyService(componentContext);
  55     }
  56
  57     private void activateOrModifyService(ComponentContext componentContext) {
  58         Dictionary<String, @Nullable Object> properties = componentContext.getProperties();
  59         String autoDiscoveryPropertyValue = (String) properties
  60                 .get(DiscoveryService.CONFIG_PROPERTY_BACKGROUND_DISCOVERY);
  61         if (autoDiscoveryPropertyValue != null && !autoDiscoveryPropertyValue.isBlank()) {
  62             isAutoDiscoveryEnabled = Boolean.valueOf(autoDiscoveryPropertyValue);
  63         }
  64     }
  65
  66     @Override
  67     public Set<ThingTypeUID> getSupportedThingTypeUIDs() {
  68         return SUPPORTED_THING_TYPES_UIDS;
  69     }
  70
  71     @Override
  72     public String getServiceType() {
  73         return "NULL";
  74     }
  75
  76     @Override
  77     public @Nullable ThingUID getThingUID(ServiceInfo service) {
  78         ThingTypeUID thingTypeUID = getThingType(service);
  79         if (thingTypeUID != null) {
  80             String id = service.getPropertyString(PROPERTY_FAMILY); // device id
  81             return new ThingUID(thingTypeUID, id);
  82         }
  83         return null;
  84     }
  85
  86     private @Nullable ThingTypeUID getThingType(final ServiceInfo service) {
  87         String model = service.getPropertyString(PROPERTY_FAMILY); // model
  88         logger.debug("found Type: {}", model);
  89         if (model == null) {
  90             return null;
  91         }
  92         return L510_THING_TYPE;
  93     }
  94
  95     @Override
  96     public @Nullable DiscoveryResult createResult(ServiceInfo service) {
  97         if (isAutoDiscoveryEnabled) {
  98             ThingUID uid = getThingUID(service);
  99             if (uid != null) {
 100                 String host = service.getHostAddresses()[0];
 101                 int port = service.getPort();
 102                 logger.debug("device Found: {} {}", host, port);
 103             }
 104         }
 105         return null;
 106     }
 107 }