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   1 /**
   2  * Copyright (c) 2010-2020 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.tellstick.internal.discovery;
  14
  15 import java.util.List;
  16 import java.util.Set;
  17 import java.util.Vector;
  18
  19 import org.openhab.binding.tellstick.internal.TellstickBindingConstants;
  20 import org.openhab.binding.tellstick.internal.handler.DeviceStatusListener;
  21 import org.openhab.binding.tellstick.internal.handler.TelldusBridgeHandler;
  22 import org.openhab.binding.tellstick.internal.live.xml.LiveDataType;
  23 import org.openhab.binding.tellstick.internal.live.xml.TellstickNetDevice;
  24 import org.openhab.binding.tellstick.internal.live.xml.TellstickNetSensor;
  25 import org.openhab.core.config.discovery.AbstractDiscoveryService;
  26 import org.openhab.core.config.discovery.DiscoveryResult;
  27 import org.openhab.core.config.discovery.DiscoveryResultBuilder;
  28 import org.openhab.core.thing.Bridge;
  29 import org.openhab.core.thing.ThingTypeUID;
  30 import org.openhab.core.thing.ThingUID;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33 import org.tellstick.JNA;
  34 import org.tellstick.device.TellstickSensor;
  35 import org.tellstick.device.iface.Device;
  36 import org.tellstick.device.iface.DimmableDevice;
  37 import org.tellstick.device.iface.SwitchableDevice;
  38 import org.tellstick.device.iface.TellstickEvent;
  39 import org.tellstick.enums.DataType;
  40
  41 /**
  42  * The {@link TellstickDiscoveryService} class is used to discover Tellstick
  43  * devices that are connected to the Lan gateway.
  44  *
  45  * @author Jarle Hjortland - Initial contribution
  46  */
  47 public class TellstickDiscoveryService extends AbstractDiscoveryService implements DeviceStatusListener {
  48     private static final long DEFAULT_TTL = 60 * 60; // 1 Hour
  49
  50     public TellstickDiscoveryService(int timeout) throws IllegalArgumentException {
  51         super(timeout);
  52     }
  53
  54     private final Logger logger = LoggerFactory.getLogger(TellstickDiscoveryService.class);
  55
  56     private List<TelldusBridgeHandler> telldusBridgeHandlers = new Vector<>();
  57
  58     public TellstickDiscoveryService(TelldusBridgeHandler telldusBridgeHandler) {
  59         super(TellstickBindingConstants.SUPPORTED_DEVICE_THING_TYPES_UIDS, 10, true);
  60         this.telldusBridgeHandlers.add(telldusBridgeHandler);
  61     }
  62
  63     public void activate() {
  64         for (TelldusBridgeHandler telldusBridgeHandler : telldusBridgeHandlers) {
  65             telldusBridgeHandler.registerDeviceStatusListener(this);
  66         }
  67     }
  68
  69     @Override
  70     public void deactivate() {
  71         for (TelldusBridgeHandler telldusBridgeHandler : telldusBridgeHandlers) {
  72             telldusBridgeHandler.unregisterDeviceStatusListener(this);
  73         }
  74     }
  75
  76     @Override
  77     public Set<ThingTypeUID> getSupportedThingTypes() {
  78         return TellstickBindingConstants.SUPPORTED_DEVICE_THING_TYPES_UIDS;
  79     }
  80
  81     @Override
  82     public void onDeviceAdded(Bridge bridge, Device device) {
  83         logger.debug("Adding new TellstickDevice! '{}' with id '{}' and type '{}' to inbox", device, device.getId(),
  84                 device.getDeviceType());
  85         ThingUID thingUID = getThingUID(bridge, device);
  86         logger.debug("Detected thingUID: {}", thingUID);
  87         if (thingUID != null) {
  88             DiscoveryResult discoveryResult = DiscoveryResultBuilder.create(thingUID).withTTL(DEFAULT_TTL)
  89                     .withProperty(TellstickBindingConstants.DEVICE_ID, device.getUUId())
  90                     .withProperty(TellstickBindingConstants.DEVICE_NAME, device.getName()).withBridge(bridge.getUID())
  91                     .withLabel(device.getDeviceType() + ": " + device.getName()).build();
  92             thingDiscovered(discoveryResult);
  93         } else {
  94             logger.warn("Discovered Tellstick! device is unsupported: type '{}' with id '{}'", device.getDeviceType(),
  95                     device.getId());
  96         }
  97     }
  98
  99     @Override
 100     protected void startScan() {
 101         for (TelldusBridgeHandler telldusBridgeHandler : telldusBridgeHandlers) {
 102             telldusBridgeHandler.rescanTelldusDevices();
 103         }
 104     }
 105
 106     @Override
 107     public void onDeviceStateChanged(Bridge bridge, Device device, TellstickEvent event) {
 108         // this can be ignored here
 109     }
 110
 111     @Override
 112     public void onDeviceRemoved(Bridge bridge, Device device) {
 113         ThingUID thingUID = getThingUID(bridge, device);
 114         if (thingUID != null) {
 115             thingRemoved(thingUID);
 116         } else {
 117             logger.warn("Removed Tellstick! device is unsupported: type '{}' with id '{}'", device.getDeviceType(),
 118                     device.getId());
 119         }
 120     }
 121
 122     private ThingUID getThingUID(Bridge bridge, Device device) {
 123         ThingUID thingUID = null;
 124         switch (device.getDeviceType()) {
 125             case SENSOR:
 126                 ThingTypeUID sensorThingId = findSensorType(device);
 127                 thingUID = new ThingUID(sensorThingId, bridge.getUID(), device.getUUId());
 128                 break;
 129             case DEVICE:
 130                 if (device instanceof DimmableDevice) {
 131                     thingUID = new ThingUID(TellstickBindingConstants.DIMMER_THING_TYPE, bridge.getUID(),
 132                             device.getUUId());
 133                 } else if (device instanceof SwitchableDevice) {
 134                     thingUID = new ThingUID(TellstickBindingConstants.SWITCH_THING_TYPE, bridge.getUID(),
 135                             device.getUUId());
 136                 } else if (device instanceof TellstickNetDevice) {
 137                     if ((((TellstickNetDevice) device).getMethods() & JNA.CLibrary.TELLSTICK_DIM) > 0) {
 138                         thingUID = new ThingUID(TellstickBindingConstants.DIMMER_THING_TYPE, bridge.getUID(),
 139                                 device.getUUId());
 140                     } else {
 141                         thingUID = new ThingUID(TellstickBindingConstants.SWITCH_THING_TYPE, bridge.getUID(),
 142                                 device.getUUId());
 143                     }
 144                 }
 145                 break;
 146             default:
 147                 break;
 148         }
 149         return thingUID;
 150     }
 151
 152     private ThingTypeUID findSensorType(Device device) {
 153         logger.debug("Device: {}", device);
 154         ThingTypeUID sensorThingId;
 155         if (device instanceof TellstickSensor) {
 156             TellstickSensor sensor = (TellstickSensor) device;
 157             logger.debug("Sensor: {}", device);
 158             if (sensor.getData(DataType.WINDAVERAGE) != null || sensor.getData(DataType.WINDGUST) != null
 159                     || sensor.getData(DataType.WINDDIRECTION) != null) {
 160                 sensorThingId = TellstickBindingConstants.WINDSENSOR_THING_TYPE;
 161             } else if (sensor.getData(DataType.RAINTOTAL) != null || sensor.getData(DataType.RAINRATE) != null) {
 162                 sensorThingId = TellstickBindingConstants.RAINSENSOR_THING_TYPE;
 163             } else {
 164                 sensorThingId = TellstickBindingConstants.SENSOR_THING_TYPE;
 165             }
 166         } else {
 167             TellstickNetSensor sensor = (TellstickNetSensor) device;
 168             if (sensor.isSensorOfType(LiveDataType.WINDAVERAGE) || sensor.isSensorOfType(LiveDataType.WINDDIRECTION)
 169                     || sensor.isSensorOfType(LiveDataType.WINDGUST)) {
 170                 sensorThingId = TellstickBindingConstants.WINDSENSOR_THING_TYPE;
 171             } else if (sensor.isSensorOfType(LiveDataType.RAINRATE) || sensor.isSensorOfType(LiveDataType.RAINTOTAL)) {
 172                 sensorThingId = TellstickBindingConstants.RAINSENSOR_THING_TYPE;
 173             } else if (sensor.isSensorOfType(LiveDataType.WATT)) {
 174                 sensorThingId = TellstickBindingConstants.POWERSENSOR_THING_TYPE;
 175             } else {
 176                 sensorThingId = TellstickBindingConstants.SENSOR_THING_TYPE;
 177             }
 178         }
 179         return sensorThingId;
 180     }
 181
 182     public void addBridgeHandler(TelldusBridgeHandler tellstickBridgeHandler) {
 183         telldusBridgeHandlers.add(tellstickBridgeHandler);
 184         tellstickBridgeHandler.registerDeviceStatusListener(this);
 185     }
 186 }