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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.jellyfin.internal.discovery;
  14
  15 import static org.openhab.binding.jellyfin.internal.JellyfinBindingConstants.DISCOVERY_RESULT_TTL_SEC;
  16 import static org.openhab.binding.jellyfin.internal.JellyfinBindingConstants.THING_TYPE_CLIENT;
  17 import static org.openhab.binding.jellyfin.internal.JellyfinBindingConstants.THING_TYPE_SERVER;
  18
  19 import java.util.HashMap;
  20 import java.util.Map;
  21 import java.util.Set;
  22
  23 import org.eclipse.jdt.annotation.NonNullByDefault;
  24 import org.eclipse.jdt.annotation.Nullable;
  25 import org.jellyfin.sdk.api.client.exception.ApiClientException;
  26 import org.jellyfin.sdk.api.client.exception.InvalidStatusException;
  27 import org.jellyfin.sdk.model.api.SessionInfo;
  28 import org.openhab.binding.jellyfin.internal.handler.JellyfinServerHandler;
  29 import org.openhab.binding.jellyfin.internal.util.SyncCallback;
  30 import org.openhab.core.config.discovery.AbstractDiscoveryService;
  31 import org.openhab.core.config.discovery.DiscoveryResultBuilder;
  32 import org.openhab.core.thing.Thing;
  33 import org.openhab.core.thing.ThingStatus;
  34 import org.openhab.core.thing.ThingUID;
  35 import org.openhab.core.thing.binding.ThingHandler;
  36 import org.openhab.core.thing.binding.ThingHandlerService;
  37 import org.slf4j.Logger;
  38 import org.slf4j.LoggerFactory;
  39
  40 /**
  41  * The {@link JellyfinClientDiscoveryService} discover Jellyfin clients connected to the server.
  42  *
  43  * @author Miguel Alvarez - Initial contribution
  44  */
  45 @NonNullByDefault
  46 public class JellyfinClientDiscoveryService extends AbstractDiscoveryService implements ThingHandlerService {
  47     private final Logger logger = LoggerFactory.getLogger(JellyfinClientDiscoveryService.class);
  48     private @Nullable JellyfinServerHandler bridgeHandler;
  49
  50     public JellyfinClientDiscoveryService() throws IllegalArgumentException {
  51         super(Set.of(THING_TYPE_SERVER), 60);
  52     }
  53
  54     @Override
  55     protected void startScan() {
  56         var bridgeHandler = this.bridgeHandler;
  57         if (bridgeHandler == null) {
  58             logger.warn("missing bridge aborting");
  59             return;
  60         }
  61         if (!bridgeHandler.getThing().getStatus().equals(ThingStatus.ONLINE)) {
  62             logger.warn("Server handler {} is not online.", bridgeHandler.getThing().getLabel());
  63             return;
  64         }
  65         logger.debug("Searching devices for server {}", bridgeHandler.getThing().getLabel());
  66         try {
  67             bridgeHandler.getControllableSessions().forEach(this::discoverDevice);
  68         } catch (SyncCallback.SyncCallbackError syncCallbackError) {
  69             logger.error("Unexpected error: {}", syncCallbackError.getMessage());
  70         } catch (InvalidStatusException e) {
  71             logger.warn("Api client error with status{}: {}", e.getStatus(), e.getMessage());
  72         } catch (ApiClientException e) {
  73             logger.warn("Api client error: {}", e.getMessage());
  74         }
  75     }
  76
  77     public void discoverDevice(SessionInfo info) {
  78         var id = info.getDeviceId();
  79         if (id == null) {
  80             logger.warn("missing device id aborting");
  81             return;
  82         }
  83         var bridgeHandler = this.bridgeHandler;
  84         if (bridgeHandler == null) {
  85             logger.warn("missing bridge aborting");
  86             return;
  87         }
  88         logger.debug("Client discovered: [{}] {}", id, info.getDeviceName());
  89         var bridgeUID = bridgeHandler.getThing().getUID();
  90         Map<String, Object> properties = new HashMap<>();
  91         properties.put(Thing.PROPERTY_SERIAL_NUMBER, id);
  92         var appVersion = info.getApplicationVersion();
  93         if (appVersion != null) {
  94             properties.put(Thing.PROPERTY_FIRMWARE_VERSION, appVersion);
  95         }
  96         var client = info.getApplicationVersion();
  97         if (client != null) {
  98             properties.put(Thing.PROPERTY_VENDOR, client);
  99         }
 100         thingDiscovered(
 101                 DiscoveryResultBuilder.create(new ThingUID(THING_TYPE_CLIENT, bridgeUID, id)).withBridge(bridgeUID)
 102                         .withTTL(DISCOVERY_RESULT_TTL_SEC).withRepresentationProperty(Thing.PROPERTY_SERIAL_NUMBER)
 103                         .withProperties(properties).withLabel(info.getDeviceName()).build());
 104     }
 105
 106     @Override
 107     public void setThingHandler(ThingHandler thingHandler) {
 108         if (thingHandler instanceof JellyfinServerHandler bridgeHandler) {
 109             this.bridgeHandler = bridgeHandler;
 110         }
 111     }
 112
 113     @Override
 114     public @Nullable ThingHandler getThingHandler() {
 115         return null;
 116     }
 117
 118     @Override
 119     public void activate() {
 120         activate(new HashMap<>());
 121     }
 122
 123     @Override
 124     public void deactivate() {
 125         super.deactivate();
 126     }
 127 }