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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.dlinksmarthome.internal;
  14
  15 import static org.openhab.binding.dlinksmarthome.internal.DLinkSmartHomeBindingConstants.*;
  16 import static org.openhab.binding.dlinksmarthome.internal.motionsensor.DLinkMotionSensorConfig.IP_ADDRESS;
  17
  18 import java.net.Inet4Address;
  19 import java.util.HashMap;
  20 import java.util.Map;
  21 import java.util.Set;
  22
  23 import javax.jmdns.ServiceInfo;
  24
  25 import org.openhab.core.config.discovery.DiscoveryResult;
  26 import org.openhab.core.config.discovery.DiscoveryResultBuilder;
  27 import org.openhab.core.config.discovery.mdns.MDNSDiscoveryParticipant;
  28 import org.openhab.core.thing.ThingTypeUID;
  29 import org.openhab.core.thing.ThingUID;
  30 import org.osgi.service.component.annotations.Component;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33
  34 /**
  35  * The {@link DLinkSmartHomeDiscoveryParticipant} is responsible for discovering devices through UPnP.
  36  *
  37  * @author Mike Major - Initial contribution
  38  *
  39  */
  40 @Component
  41 public class DLinkSmartHomeDiscoveryParticipant implements MDNSDiscoveryParticipant {
  42
  43     private static final String SERVICE_TYPE = "_dhnap._tcp.local.";
  44     private final Logger logger = LoggerFactory.getLogger(getClass());
  45
  46     @Override
  47     public Set<ThingTypeUID> getSupportedThingTypeUIDs() {
  48         return SUPPORTED_THING_TYPES_UIDS;
  49     }
  50
  51     @Override
  52     public String getServiceType() {
  53         return SERVICE_TYPE;
  54     }
  55
  56     @Override
  57     public DiscoveryResult createResult(final ServiceInfo serviceInfo) {
  58         final ThingUID thingUID = getThingUID(serviceInfo);
  59
  60         if (thingUID == null) {
  61             return null;
  62         }
  63
  64         final ThingTypeUID thingTypeUID = getThingType(serviceInfo);
  65
  66         if (THING_TYPE_DCHS150.equals(thingTypeUID)) {
  67             return createMotionSensor(thingUID, thingTypeUID, serviceInfo);
  68         } else {
  69             return null;
  70         }
  71     }
  72
  73     @Override
  74     public ThingUID getThingUID(final ServiceInfo serviceInfo) {
  75         final ThingTypeUID thingTypeUID = getThingType(serviceInfo);
  76
  77         if (thingTypeUID != null) {
  78             final String mac = serviceInfo.getPropertyString("mac").replace(":", "").toLowerCase();
  79             return new ThingUID(thingTypeUID, mac);
  80         } else {
  81             return null;
  82         }
  83     }
  84
  85     private ThingTypeUID getThingType(final ServiceInfo serviceInfo) {
  86         final String model = serviceInfo.getPropertyString("model_number");
  87
  88         if (model == null) {
  89             return null;
  90         } else if ("DCH-S150".equals(model)) {
  91             return THING_TYPE_DCHS150;
  92         } else {
  93             logger.debug("D-Link HNAP Type: {}", model);
  94             return null;
  95         }
  96     }
  97
  98     private DiscoveryResult createMotionSensor(final ThingUID thingUID, final ThingTypeUID thingType,
  99             final ServiceInfo serviceInfo) {
 100         final Inet4Address[] addresses = serviceInfo.getInet4Addresses();
 101         if (addresses.length != 1) {
 102             return null;
 103         }
 104         final String host = addresses[0].getHostAddress();
 105         final String mac = serviceInfo.getPropertyString("mac");
 106
 107         final Map<String, Object> properties = new HashMap<>();
 108         properties.put(IP_ADDRESS, host);
 109
 110         logger.debug("DCH-S150 found: {}", host);
 111
 112         return DiscoveryResultBuilder.create(thingUID).withThingType(thingType).withProperties(properties)
 113                 .withLabel("Motion Sensor (" + mac + ")").build();
 114     }
 115 }