2 * Copyright (c) 2010-2023 Contributors to the openHAB project
4 * See the NOTICE file(s) distributed with this work for additional
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
11 * SPDX-License-Identifier: EPL-2.0
13 package org.openhab.binding.lutron.internal.discovery;
15 import static org.openhab.binding.lutron.internal.LutronBindingConstants.*;
17 import java.net.InetAddress;
18 import java.util.Collections;
19 import java.util.HashMap;
22 import java.util.regex.Matcher;
23 import java.util.regex.Pattern;
25 import javax.jmdns.ServiceInfo;
27 import org.eclipse.jdt.annotation.NonNullByDefault;
28 import org.eclipse.jdt.annotation.Nullable;
29 import org.openhab.core.config.discovery.DiscoveryResult;
30 import org.openhab.core.config.discovery.DiscoveryResultBuilder;
31 import org.openhab.core.config.discovery.mdns.MDNSDiscoveryParticipant;
32 import org.openhab.core.thing.Thing;
33 import org.openhab.core.thing.ThingTypeUID;
34 import org.openhab.core.thing.ThingUID;
35 import org.osgi.service.component.annotations.Component;
36 import org.slf4j.Logger;
37 import org.slf4j.LoggerFactory;
40 * The {@link LutronMdnsBridgeDiscoveryService} discovers Lutron Caseta Smart Bridge, Caseta Smart Bridge Pro, RA2
41 * Select Main Repeater, and other Lutron devices on the network using mDNS.
43 * @author Bob Adair - Initial contribution
47 public class LutronMdnsBridgeDiscoveryService implements MDNSDiscoveryParticipant {
49 // Lutron mDNS service <app>.<protocol>.<servicedomain>
50 private static final String LUTRON_MDNS_SERVICE_TYPE = "_lutron._tcp.local.";
52 private static final String PRODFAM_CASETA = "Caseta";
53 private static final String PRODTYP_CASETA_SB = "Smart Bridge";
54 private static final String DEVCLASS_CASETA_SB = "08040100";
55 private static final String PRODTYP_CASETA_SBP2 = "Smart Bridge Pro 2";
56 private static final String DEVCLASS_CASETA_SBP2 = "08050100";
58 private static final String PRODFAM_RA2_SELECT = "RA2 Select";
59 private static final String PRODTYP_RA2_SELECT = "Main Repeater";
60 private static final String DEVCLASS_RA2_SELECT = "080E0401";
62 private static final String PRODFAM_RA3 = "RadioRA 3";
63 private static final String PRODTYP_RA3 = "Processor";
64 private static final String DEVCLASS_RA3 = "081B0101";
66 private static final String DEVCLASS_CONNECT_BRIDGE = "08090301";
67 private static final String DEFAULT_LABEL = "Unknown Lutron bridge";
69 private static final Pattern HOSTNAME_REGEX = Pattern.compile("lutron-([0-9a-f]+)\\."); // ex: lutron-01f1529a.local
71 private final Logger logger = LoggerFactory.getLogger(LutronMdnsBridgeDiscoveryService.class);
74 public Set<ThingTypeUID> getSupportedThingTypeUIDs() {
75 return Collections.singleton(THING_TYPE_IPBRIDGE);
79 public String getServiceType() {
80 return LUTRON_MDNS_SERVICE_TYPE;
84 public @Nullable DiscoveryResult createResult(ServiceInfo service) {
85 if (!service.hasData()) {
89 String nice = service.getNiceTextString();
90 String qualifiedName = service.getQualifiedName();
92 InetAddress[] ipAddresses = service.getInetAddresses();
93 String devclass = service.getPropertyString("DEVCLASS");
94 String codever = service.getPropertyString("CODEVER");
95 String macaddr = service.getPropertyString("MACADDR");
97 logger.debug("Lutron mDNS bridge discovery notified of Lutron mDNS service: {}", nice);
98 logger.trace("Lutron mDNS service qualifiedName: {}", qualifiedName);
99 logger.trace("Lutron mDNS service ipAddresses: {} ({})", ipAddresses, ipAddresses.length);
100 logger.trace("Lutron mDNS service property DEVCLASS: {}", devclass);
101 logger.trace("Lutron mDNS service property CODEVER: {}", codever);
102 logger.trace("Lutron mDNS service property MACADDR: {}", macaddr);
104 Map<String, Object> properties = new HashMap<>();
105 String label = DEFAULT_LABEL;
107 if (ipAddresses.length < 1) {
110 if (ipAddresses.length > 1) {
111 logger.debug("Multiple addresses found for discovered Lutron device. Using only the first.");
113 properties.put(HOST, ipAddresses[0].getHostAddress());
115 String bridgeHostName = ipAddresses[0].getHostName();
116 logger.debug("Lutron mDNS bridge hostname: {}", bridgeHostName);
118 if (DEVCLASS_CASETA_SB.equals(devclass)) {
119 properties.put(PROPERTY_PRODFAM, PRODFAM_CASETA);
120 properties.put(PROPERTY_PRODTYP, PRODTYP_CASETA_SB);
121 label = PRODFAM_CASETA + " " + PRODTYP_CASETA_SB;
122 } else if (DEVCLASS_CASETA_SBP2.equals(devclass)) {
123 properties.put(PROPERTY_PRODFAM, PRODFAM_CASETA);
124 properties.put(PROPERTY_PRODTYP, PRODTYP_CASETA_SBP2);
125 label = PRODFAM_CASETA + " " + PRODTYP_CASETA_SBP2;
126 } else if (DEVCLASS_RA2_SELECT.equals(devclass)) {
127 properties.put(PROPERTY_PRODFAM, PRODFAM_RA2_SELECT);
128 properties.put(PROPERTY_PRODTYP, PRODTYP_RA2_SELECT);
129 label = PRODFAM_RA2_SELECT + " " + PRODTYP_RA2_SELECT;
130 } else if (DEVCLASS_RA3.equals(devclass)) {
131 properties.put(PROPERTY_PRODFAM, PRODFAM_RA3);
132 properties.put(PROPERTY_PRODTYP, PRODTYP_RA3);
133 label = PRODFAM_RA3 + " " + PRODTYP_RA3;
134 } else if (DEVCLASS_CONNECT_BRIDGE.equals(devclass)) {
135 logger.debug("Lutron Connect Bridge discovered. Ignoring.");
138 logger.info("Lutron device with unknown DEVCLASS discovered via mDNS: {}. Configure device manually.",
140 return null; // Exit if service has unknown DEVCLASS
143 if (!bridgeHostName.equals(ipAddresses[0].getHostAddress())) {
144 label = label + " " + bridgeHostName;
147 if (codever != null) {
148 properties.put(Thing.PROPERTY_FIRMWARE_VERSION, codever);
151 if (macaddr != null) {
152 properties.put(Thing.PROPERTY_MAC_ADDRESS, macaddr);
155 String sn = getSerial(service);
157 logger.trace("Lutron mDNS bridge serial number: {}", sn);
158 properties.put(SERIAL_NUMBER, sn);
160 logger.debug("Unable to determine serial number of discovered Lutron bridge device.");
164 ThingUID uid = getThingUID(service);
166 DiscoveryResult result = DiscoveryResultBuilder.create(uid).withLabel(label).withProperties(properties)
167 .withRepresentationProperty(SERIAL_NUMBER).build();
168 logger.debug("Discovered Lutron bridge device via mDNS {}", uid);
171 logger.trace("Failed to create uid for discovered Lutron bridge device");
177 public @Nullable ThingUID getThingUID(ServiceInfo service) {
178 String serial = getSerial(service);
179 String devclass = service.getPropertyString("DEVCLASS");
180 if (serial == null) {
183 if (DEVCLASS_CASETA_SB.equals(devclass)) {
184 return new ThingUID(THING_TYPE_LEAPBRIDGE, serial);
186 return new ThingUID(THING_TYPE_IPBRIDGE, serial);
192 * Returns the device serial number for the mDNS service by extracting it from the hostname.
193 * Used as unique thing representation property.
195 * @param service Lutron mDNS service
196 * @return String containing serial number, or null if it cannot be determined
198 private @Nullable String getSerial(ServiceInfo service) {
199 InetAddress[] ipAddresses = service.getInetAddresses();
200 if (ipAddresses.length < 1) {
203 Matcher matcher = HOSTNAME_REGEX.matcher(ipAddresses[0].getHostName());
204 boolean matched = matcher.find();
205 String serialnum = null;
208 serialnum = matcher.group(1);
210 if (matched && serialnum != null && !serialnum.isEmpty()) {