git.basschouten.com Git - openhab-addons.git/blob

   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.pilight.internal.discovery;
  14
  15 import static org.openhab.binding.pilight.internal.PilightBindingConstants.*;
  16
  17 import java.util.Date;
  18 import java.util.HashMap;
  19 import java.util.List;
  20 import java.util.Map;
  21 import java.util.Optional;
  22 import java.util.Set;
  23 import java.util.concurrent.CompletableFuture;
  24 import java.util.concurrent.ScheduledFuture;
  25 import java.util.concurrent.TimeUnit;
  26
  27 import org.eclipse.jdt.annotation.NonNullByDefault;
  28 import org.eclipse.jdt.annotation.Nullable;
  29 import org.openhab.binding.pilight.internal.PilightHandlerFactory;
  30 import org.openhab.binding.pilight.internal.dto.Config;
  31 import org.openhab.binding.pilight.internal.dto.DeviceType;
  32 import org.openhab.binding.pilight.internal.dto.Status;
  33 import org.openhab.binding.pilight.internal.handler.PilightBridgeHandler;
  34 import org.openhab.core.config.discovery.AbstractDiscoveryService;
  35 import org.openhab.core.config.discovery.DiscoveryResult;
  36 import org.openhab.core.config.discovery.DiscoveryResultBuilder;
  37 import org.openhab.core.config.discovery.DiscoveryService;
  38 import org.openhab.core.thing.ThingTypeUID;
  39 import org.openhab.core.thing.ThingUID;
  40 import org.openhab.core.thing.binding.ThingHandler;
  41 import org.openhab.core.thing.binding.ThingHandlerService;
  42 import org.slf4j.Logger;
  43 import org.slf4j.LoggerFactory;
  44
  45 /**
  46  * The {@link PilightDeviceDiscoveryService} discovers pilight devices after a bridge thing has been created and
  47  * connected to the pilight daemon. Things are discovered periodically in the background or after a manual trigger.
  48  *
  49  * @author Niklas Dörfler - Initial contribution
  50  */
  51 @NonNullByDefault
  52 public class PilightDeviceDiscoveryService extends AbstractDiscoveryService implements ThingHandlerService {
  53
  54     private static final Set<ThingTypeUID> SUPPORTED_THING_TYPES_UIDS = PilightHandlerFactory.SUPPORTED_THING_TYPES_UIDS;
  55
  56     private static final int AUTODISCOVERY_SEARCH_TIME_SEC = 10;
  57     private static final int AUTODISCOVERY_BACKGROUND_SEARCH_INTERVAL_SEC = 60 * 10;
  58
  59     private final Logger logger = LoggerFactory.getLogger(PilightDeviceDiscoveryService.class);
  60
  61     private @Nullable PilightBridgeHandler pilightBridgeHandler;
  62     private @Nullable ThingUID bridgeUID;
  63
  64     private @Nullable ScheduledFuture<?> backgroundDiscoveryJob;
  65     private CompletableFuture<Config> configFuture;
  66     private CompletableFuture<List<Status>> statusFuture;
  67
  68     public PilightDeviceDiscoveryService() {
  69         super(SUPPORTED_THING_TYPES_UIDS, AUTODISCOVERY_SEARCH_TIME_SEC);
  70         configFuture = new CompletableFuture<>();
  71         statusFuture = new CompletableFuture<>();
  72     }
  73
  74     @Override
  75     protected void startScan() {
  76         if (pilightBridgeHandler != null) {
  77             configFuture = new CompletableFuture<>();
  78             statusFuture = new CompletableFuture<>();
  79
  80             configFuture.thenAcceptBoth(statusFuture, (config, allStatus) -> {
  81                 removeOlderResults(getTimestampOfLastScan(), bridgeUID);
  82                 config.getDevices().forEach((deviceId, device) -> {
  83                     if (this.pilightBridgeHandler != null) {
  84                         final Optional<Status> status = allStatus.stream()
  85                                 .filter(s -> s.getDevices().contains(deviceId)).findFirst();
  86
  87                         final ThingTypeUID thingTypeUID;
  88                         final String typeString;
  89
  90                         if (status.isPresent()) {
  91                             if (status.get().getType().equals(DeviceType.SWITCH)) {
  92                                 thingTypeUID = new ThingTypeUID(BINDING_ID, THING_TYPE_SWITCH.getId());
  93                                 typeString = "Switch";
  94                             } else if (status.get().getType().equals(DeviceType.DIMMER)) {
  95                                 thingTypeUID = new ThingTypeUID(BINDING_ID, THING_TYPE_DIMMER.getId());
  96                                 typeString = "Dimmer";
  97                             } else if (status.get().getType().equals(DeviceType.VALUE)) {
  98                                 thingTypeUID = new ThingTypeUID(BINDING_ID, THING_TYPE_GENERIC.getId());
  99                                 typeString = "Generic";
 100                             } else if (status.get().getType().equals(DeviceType.CONTACT)) {
 101                                 thingTypeUID = new ThingTypeUID(BINDING_ID, THING_TYPE_CONTACT.getId());
 102                                 typeString = "Contact";
 103                             } else {
 104                                 thingTypeUID = new ThingTypeUID(BINDING_ID, THING_TYPE_GENERIC.getId());
 105                                 typeString = "Generic";
 106                             }
 107                         } else {
 108                             thingTypeUID = new ThingTypeUID(BINDING_ID, THING_TYPE_GENERIC.getId());
 109                             typeString = "Generic";
 110                         }
 111
 112                         final @Nullable PilightBridgeHandler pilightBridgeHandler = this.pilightBridgeHandler;
 113                         if (pilightBridgeHandler != null) {
 114                             final ThingUID thingUID = new ThingUID(thingTypeUID,
 115                                     pilightBridgeHandler.getThing().getUID(), deviceId);
 116
 117                             final Map<String, Object> properties = new HashMap<>();
 118                             properties.put(PROPERTY_NAME, deviceId);
 119
 120                             DiscoveryResult discoveryResult = DiscoveryResultBuilder.create(thingUID)
 121                                     .withThingType(thingTypeUID).withProperties(properties).withBridge(bridgeUID)
 122                                     .withRepresentationProperty(PROPERTY_NAME)
 123                                     .withLabel("Pilight " + typeString + " Device '" + deviceId + "'").build();
 124
 125                             thingDiscovered(discoveryResult);
 126                         }
 127                     }
 128                 });
 129             });
 130
 131             final @Nullable PilightBridgeHandler pilightBridgeHandler = this.pilightBridgeHandler;
 132             if (pilightBridgeHandler != null) {
 133                 pilightBridgeHandler.refreshConfigAndStatus();
 134             }
 135         }
 136     }
 137
 138     @Override
 139     protected synchronized void stopScan() {
 140         super.stopScan();
 141         configFuture.cancel(true);
 142         statusFuture.cancel(true);
 143         if (bridgeUID != null) {
 144             removeOlderResults(getTimestampOfLastScan(), bridgeUID);
 145         }
 146     }
 147
 148     @Override
 149     protected void startBackgroundDiscovery() {
 150         logger.debug("Start Pilight device background discovery");
 151         final @Nullable ScheduledFuture<?> backgroundDiscoveryJob = this.backgroundDiscoveryJob;
 152         if (backgroundDiscoveryJob == null || backgroundDiscoveryJob.isCancelled()) {
 153             this.backgroundDiscoveryJob = scheduler.scheduleWithFixedDelay(this::startScan, 20,
 154                     AUTODISCOVERY_BACKGROUND_SEARCH_INTERVAL_SEC, TimeUnit.SECONDS);
 155         }
 156     }
 157
 158     @Override
 159     protected void stopBackgroundDiscovery() {
 160         logger.debug("Stop Pilight device background discovery");
 161         final @Nullable ScheduledFuture<?> backgroundDiscoveryJob = this.backgroundDiscoveryJob;
 162         if (backgroundDiscoveryJob != null) {
 163             backgroundDiscoveryJob.cancel(true);
 164             this.backgroundDiscoveryJob = null;
 165         }
 166     }
 167
 168     @Override
 169     public void setThingHandler(final ThingHandler handler) {
 170         if (handler instanceof PilightBridgeHandler pilightBridgeHandler) {
 171             this.pilightBridgeHandler = pilightBridgeHandler;
 172             bridgeUID = pilightBridgeHandler.getThing().getUID();
 173         }
 174     }
 175
 176     @Override
 177     public @Nullable ThingHandler getThingHandler() {
 178         return pilightBridgeHandler;
 179     }
 180
 181     @Override
 182     public void activate() {
 183         final @Nullable PilightBridgeHandler pilightBridgeHandler = this.pilightBridgeHandler;
 184         boolean discoveryEnabled = false;
 185         if (pilightBridgeHandler != null) {
 186             removeOlderResults(new Date().getTime(), pilightBridgeHandler.getThing().getUID());
 187             discoveryEnabled = pilightBridgeHandler.isBackgroundDiscoveryEnabled();
 188             pilightBridgeHandler.registerDiscoveryListener(this);
 189         }
 190         super.activate(Map.of(DiscoveryService.CONFIG_PROPERTY_BACKGROUND_DISCOVERY, discoveryEnabled));
 191     }
 192
 193     @Override
 194     public void deactivate() {
 195         if (bridgeUID != null) {
 196             removeOlderResults(getTimestampOfLastScan(), bridgeUID);
 197         }
 198
 199         final @Nullable PilightBridgeHandler pilightBridgeHandler = this.pilightBridgeHandler;
 200         if (pilightBridgeHandler != null) {
 201             pilightBridgeHandler.unregisterDiscoveryListener();
 202         }
 203
 204         super.deactivate();
 205     }
 206
 207     /**
 208      * Method used to get pilight device config into the discovery class.
 209      *
 210      * @param config config to get
 211      */
 212     public void setConfig(Config config) {
 213         configFuture.complete(config);
 214     }
 215
 216     /**
 217      * Method used to get pilight device status list into the discovery class.
 218      *
 219      * @param status list of status objects
 220      */
 221     public void setStatus(List<Status> status) {
 222         statusFuture.complete(status);
 223     }
 224
 225     @Override
 226     public Set<ThingTypeUID> getSupportedThingTypes() {
 227         return SUPPORTED_THING_TYPES_UIDS;
 228     }
 229 }