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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.*;
  16
  17 import java.net.URI;
  18 import java.net.URISyntaxException;
  19 import java.util.HashMap;
  20 import java.util.Map;
  21 import java.util.Objects;
  22 import java.util.Set;
  23
  24 import org.eclipse.jdt.annotation.NonNullByDefault;
  25 import org.eclipse.jdt.annotation.Nullable;
  26 import org.jellyfin.sdk.Jellyfin;
  27 import org.jellyfin.sdk.JellyfinOptions;
  28 import org.jellyfin.sdk.api.client.exception.ApiClientException;
  29 import org.jellyfin.sdk.api.operations.SystemApi;
  30 import org.jellyfin.sdk.compatibility.JavaFlow;
  31 import org.jellyfin.sdk.compatibility.JavaFlow.FlowJob;
  32 import org.jellyfin.sdk.model.ClientInfo;
  33 import org.jellyfin.sdk.model.DeviceInfo;
  34 import org.jellyfin.sdk.model.api.PublicSystemInfo;
  35 import org.jellyfin.sdk.model.api.ServerDiscoveryInfo;
  36 import org.openhab.binding.jellyfin.internal.util.SyncCallback;
  37 import org.openhab.binding.jellyfin.internal.util.SyncResponse;
  38 import org.openhab.core.OpenHAB;
  39 import org.openhab.core.config.discovery.AbstractDiscoveryService;
  40 import org.openhab.core.config.discovery.DiscoveryResultBuilder;
  41 import org.openhab.core.config.discovery.DiscoveryService;
  42 import org.openhab.core.thing.Thing;
  43 import org.openhab.core.thing.ThingUID;
  44 import org.osgi.service.component.annotations.Component;
  45 import org.slf4j.Logger;
  46 import org.slf4j.LoggerFactory;
  47
  48 /**
  49  * The {@link JellyfinServerDiscoveryService} discover Jellyfin servers in the network.
  50  *
  51  * @author Miguel Alvarez - Initial contribution
  52  */
  53 @NonNullByDefault
  54 @Component(service = DiscoveryService.class, configurationPid = "discovery.jellyfin")
  55 public class JellyfinServerDiscoveryService extends AbstractDiscoveryService {
  56     private final Logger logger = LoggerFactory.getLogger(JellyfinServerDiscoveryService.class);
  57     @Nullable
  58     private FlowJob cancelDiscovery;
  59
  60     public JellyfinServerDiscoveryService() throws IllegalArgumentException {
  61         super(Set.of(THING_TYPE_CLIENT), 60);
  62     }
  63
  64     @Override
  65     protected void startScan() {
  66         var opts = new JellyfinOptions.Builder();
  67         opts.setClientInfo(new ClientInfo("openHAB", OpenHAB.getVersion()));
  68         opts.setDeviceInfo(new DeviceInfo("discovery", "openHAB"));
  69         var jellyfin = new Jellyfin(opts.build());
  70         var discoverySvc = new org.jellyfin.sdk.discovery.DiscoveryService(jellyfin);
  71         logger.debug("Starting search");
  72         cancelDiscovery = JavaFlow.collect(discoverySvc.discoverLocalServers(100, 10), null, (info) -> {
  73             if (info == null) {
  74                 return;
  75             }
  76             logger.debug("Server found: [{}] {}", info.getId(), info.getName());
  77             processDiscoveryResult(jellyfin, info);
  78         }, (throwable) -> {
  79             if (throwable != null) {
  80                 logger.warn("Discovery Error: {}", throwable.getMessage());
  81             } else {
  82                 logger.debug("Discovery ends");
  83             }
  84         });
  85     }
  86
  87     @Override
  88     protected synchronized void stopScan() {
  89         super.stopScan();
  90         var cancelDiscovery = this.cancelDiscovery;
  91         if (cancelDiscovery != null) {
  92             cancelDiscovery.close();
  93             this.cancelDiscovery = null;
  94         }
  95     }
  96
  97     private void processDiscoveryResult(Jellyfin jellyfin, ServerDiscoveryInfo info) {
  98         URI uri;
  99         try {
 100             uri = new URI(Objects.requireNonNull(info.getAddress()));
 101         } catch (URISyntaxException e) {
 102             logger.warn("Error parsing server url: {}", e.getMessage());
 103             return;
 104         }
 105         var jellyClient = jellyfin.createApi(info.getAddress());
 106         var asyncResponse = new SyncResponse<PublicSystemInfo>();
 107         new SystemApi(jellyClient).getPublicSystemInfo(asyncResponse);
 108         try {
 109             var publicSystemInfo = asyncResponse.awaitContent();
 110             discoverServer(uri.getHost(), uri.getPort(), uri.getScheme().equalsIgnoreCase("https"), uri.getPath(),
 111                     publicSystemInfo);
 112         } catch (SyncCallback.SyncCallbackError | ApiClientException e) {
 113             logger.warn("Discovery error: {}", e.getMessage());
 114         }
 115     }
 116
 117     private void discoverServer(String hostname, int port, boolean ssl, String path,
 118             PublicSystemInfo publicSystemInfo) {
 119         logger.debug("Server discovered: [{}:{}] {}", hostname, port, publicSystemInfo.getServerName());
 120         var id = Objects.requireNonNull(publicSystemInfo.getId());
 121         Map<String, Object> properties = new HashMap<>();
 122         properties.put("hostname", hostname);
 123         properties.put("port", port);
 124         properties.put("ssl", ssl);
 125         properties.put("path", path);
 126         properties.put(Thing.PROPERTY_SERIAL_NUMBER, id);
 127         var productName = publicSystemInfo.getProductName();
 128         if (productName != null) {
 129             properties.put(Thing.PROPERTY_VENDOR, productName);
 130         }
 131         var version = publicSystemInfo.getVersion();
 132         if (version != null) {
 133             properties.put(Thing.PROPERTY_FIRMWARE_VERSION, version);
 134         }
 135         thingDiscovered(DiscoveryResultBuilder.create(new ThingUID(THING_TYPE_SERVER, publicSystemInfo.getId()))
 136                 .withTTL(DISCOVERY_RESULT_TTL_SEC).withRepresentationProperty(Thing.PROPERTY_SERIAL_NUMBER)
 137                 .withProperties(properties).withLabel(publicSystemInfo.getServerName()).build());
 138     }
 139 }