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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.freeboxos.internal.handler;
  14
  15 import static org.openhab.binding.freeboxos.internal.FreeboxOsBindingConstants.*;
  16
  17 import java.util.Collection;
  18 import java.util.Map;
  19 import java.util.Set;
  20
  21 import org.eclipse.jdt.annotation.NonNullByDefault;
  22 import org.openhab.binding.freeboxos.internal.action.HostActions;
  23 import org.openhab.binding.freeboxos.internal.api.FreeboxException;
  24 import org.openhab.binding.freeboxos.internal.api.rest.LanBrowserManager;
  25 import org.openhab.binding.freeboxos.internal.api.rest.LanBrowserManager.LanHost;
  26 import org.openhab.binding.freeboxos.internal.api.rest.LanBrowserManager.Source;
  27 import org.openhab.binding.freeboxos.internal.api.rest.WebSocketManager;
  28 import org.openhab.binding.freeboxos.internal.config.ApiConsumerConfiguration;
  29 import org.openhab.core.thing.Thing;
  30 import org.openhab.core.thing.ThingStatus;
  31 import org.openhab.core.thing.binding.ThingHandlerService;
  32 import org.slf4j.Logger;
  33 import org.slf4j.LoggerFactory;
  34
  35 /**
  36  * The {@link HostHandler} is responsible for all network equipments hosted on the network
  37  *
  38  * @author Gaël L'hopital - Initial contribution
  39  */
  40 @NonNullByDefault
  41 public class HostHandler extends ApiConsumerHandler {
  42     private final Logger logger = LoggerFactory.getLogger(HostHandler.class);
  43
  44     // We start in pull mode and switch to push after a first update...
  45     private boolean pushSubscribed = false;
  46
  47     public HostHandler(Thing thing) {
  48         super(thing);
  49         statusDrivenByBridge = false;
  50     }
  51
  52     @Override
  53     void initializeProperties(Map<String, String> properties) throws FreeboxException {
  54         LanHost host = getLanHost();
  55         properties.put(Thing.PROPERTY_VENDOR, host.vendorName());
  56         host.getName(Source.UPNP).ifPresent(upnpName -> properties.put(Source.UPNP.name(), upnpName));
  57     }
  58
  59     @Override
  60     public void dispose() {
  61         cancelPushSubscription();
  62         super.dispose();
  63     }
  64
  65     protected void cancelPushSubscription() {
  66         if (pushSubscribed) {
  67             try {
  68                 getManager(WebSocketManager.class).unregisterListener(getMac());
  69             } catch (FreeboxException e) {
  70                 logger.warn("Error unregistering host from the websocket: {}", e.getMessage());
  71             }
  72             pushSubscribed = false;
  73         }
  74     }
  75
  76     @Override
  77     protected void internalPoll() throws FreeboxException {
  78         if (pushSubscribed) {
  79             return;
  80         }
  81
  82         LanHost host = getLanHost();
  83         updateConnectivityChannels(host);
  84         logger.debug("Switching to push mode - refreshInterval will now be ignored for Connectivity data");
  85         getManager(WebSocketManager.class).registerListener(host.getMac(), this);
  86         pushSubscribed = true;
  87     }
  88
  89     protected LanHost getLanHost() throws FreeboxException {
  90         return getManager(LanBrowserManager.class).getHost(getMac()).map(hostIntf -> hostIntf.host())
  91                 .orElseThrow(() -> new FreeboxException("Host data not found"));
  92     }
  93
  94     public void updateConnectivityChannels(LanHost host) {
  95         updateChannelOnOff(CONNECTIVITY, REACHABLE, host.reachable());
  96         updateChannelDateTimeState(CONNECTIVITY, LAST_SEEN, host.getLastSeen());
  97         updateChannelString(CONNECTIVITY, IP_ADDRESS, host.getIpv4());
  98         updateStatus(host.reachable() ? ThingStatus.ONLINE : ThingStatus.OFFLINE);
  99     }
 100
 101     public void wol() {
 102         try {
 103             getManager(LanBrowserManager.class).wakeOnLan(getMac(),
 104                     getConfigAs(ApiConsumerConfiguration.class).password);
 105         } catch (FreeboxException e) {
 106             logger.warn("Error waking up host: {}", e.getMessage());
 107         }
 108     }
 109
 110     @Override
 111     public Collection<Class<? extends ThingHandlerService>> getServices() {
 112         return Set.of(HostActions.class);
 113     }
 114 }