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   1 /**
   2  * Copyright (c) 2010-2022 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.zway.internal.discovery;
  14
  15 import java.util.List;
  16 import java.util.Map;
  17 import java.util.concurrent.ScheduledFuture;
  18 import java.util.concurrent.TimeUnit;
  19
  20 import org.openhab.binding.zway.internal.ZWayBindingConstants;
  21 import org.openhab.binding.zway.internal.handler.ZWayBridgeHandler;
  22 import org.openhab.core.config.discovery.AbstractDiscoveryService;
  23 import org.openhab.core.config.discovery.DiscoveryResult;
  24 import org.openhab.core.config.discovery.DiscoveryResultBuilder;
  25 import org.openhab.core.thing.Thing;
  26 import org.openhab.core.thing.ThingStatus;
  27 import org.openhab.core.thing.ThingUID;
  28 import org.slf4j.Logger;
  29 import org.slf4j.LoggerFactory;
  30
  31 import de.fh_zwickau.informatik.sensor.model.devices.Device;
  32 import de.fh_zwickau.informatik.sensor.model.devices.DeviceList;
  33 import de.fh_zwickau.informatik.sensor.model.devices.types.Camera;
  34 import de.fh_zwickau.informatik.sensor.model.devices.types.SensorMultiline;
  35 import de.fh_zwickau.informatik.sensor.model.devices.types.Text;
  36 import de.fh_zwickau.informatik.sensor.model.locations.LocationList;
  37 import de.fh_zwickau.informatik.sensor.model.zwaveapi.devices.ZWaveDevice;
  38
  39 /**
  40  * The {@link ZWayDeviceDiscoveryService} is responsible for device discovery.
  41  *
  42  * @author Patrick Hecker - Initial contribution
  43  */
  44 public class ZWayDeviceDiscoveryService extends AbstractDiscoveryService {
  45
  46     private final Logger logger = LoggerFactory.getLogger(getClass());
  47
  48     private static final int SEARCH_TIME = 60;
  49     private static final int INITIAL_DELAY = 15;
  50     private static final int SCAN_INTERVAL = 240;
  51
  52     private ZWayBridgeHandler mBridgeHandler;
  53     private ZWayDeviceScan mZWayDeviceScanningRunnable;
  54     private ScheduledFuture<?> mZWayDeviceScanningJob;
  55
  56     public ZWayDeviceDiscoveryService(ZWayBridgeHandler bridgeHandler) {
  57         super(ZWayBindingConstants.SUPPORTED_DEVICE_THING_TYPES_UIDS, SEARCH_TIME);
  58         logger.debug("Initializing ZWayBridgeDiscoveryService");
  59         mBridgeHandler = bridgeHandler;
  60         mZWayDeviceScanningRunnable = new ZWayDeviceScan();
  61         activate(null);
  62     }
  63
  64     private void scan() {
  65         logger.debug("Starting scan on Z-Way Server {}", mBridgeHandler.getThing().getUID());
  66
  67         // Z-Way bridge have to be ONLINE because configuration is needed
  68         if (mBridgeHandler == null || !mBridgeHandler.getThing().getStatus().equals(ThingStatus.ONLINE)) {
  69             logger.debug("Z-Way bridge handler not found or not ONLINE.");
  70             return;
  71         }
  72
  73         LocationList locationList = mBridgeHandler.getZWayApi().getLocations();
  74
  75         DeviceList deviceList = mBridgeHandler.getZWayApi().getDevices();
  76         if (deviceList != null) {
  77             Map<Integer, List<Device>> physicalDevices = deviceList.getDevicesGroupByNodeId();
  78             for (Map.Entry<Integer, List<Device>> entry : physicalDevices.entrySet()) {
  79                 final Integer nodeId = entry.getKey();
  80                 List<Device> devices = entry.getValue();
  81
  82                 final ThingUID bridgeUID = mBridgeHandler.getThing().getUID();
  83
  84                 String location = "";
  85
  86                 String deviceTypes = "";
  87                 Integer index = 0;
  88                 for (Device device : devices) {
  89                     if (index != 0 && index != devices.size()) {
  90                         deviceTypes += ", ";
  91                     }
  92                     deviceTypes += device.getDeviceType();
  93                     index++;
  94
  95                     // Add location, assuming that each (virtual) device is assigned to the same room
  96                     if (locationList != null) {
  97                         // Add only the location if this differs from globalRoom (with id 0)
  98                         if (device.getLocation() != -1 && device.getLocation() != 0) {
  99                             try {
 100                                 location = locationList.getLocationById(device.getLocation()).getTitle();
 101                             } catch (NullPointerException npe) {
 102                                 location = "";
 103                             }
 104                         }
 105                     }
 106                 }
 107                 logger.debug("Z-Way device found with {} virtual devices - device types: {}", devices.size(),
 108                         deviceTypes);
 109
 110                 ZWaveDevice zwaveDevice = mBridgeHandler.getZWayApi().getZWaveDevice(nodeId);
 111                 if (zwaveDevice != null) {
 112                     String givenName = "Device " + nodeId;
 113                     if (!zwaveDevice.getData().getGivenName().getValue().equals("")) {
 114                         givenName = zwaveDevice.getData().getGivenName().getValue();
 115                     } else if (!zwaveDevice.getData().getDeviceTypeString().getValue().equals("")) {
 116                         givenName += " - " + zwaveDevice.getData().getDeviceTypeString().getValue();
 117                     }
 118                     // Add additional information as properties
 119                     String vendorString = zwaveDevice.getData().getVendorString().getValue();
 120                     if (!zwaveDevice.getData().getVendorString().getValue().equals("")) {
 121                         givenName += " (" + vendorString + ")";
 122                     }
 123                     String manufacturerId = zwaveDevice.getData().getManufacturerId().getValue();
 124                     String deviceType = zwaveDevice.getData().getDeviceTypeString().getValue();
 125                     String zddxmlfile = zwaveDevice.getData().getZDDXMLFile().getValue();
 126                     String sdk = zwaveDevice.getData().getSDK().getValue();
 127
 128                     ThingUID thingUID = new ThingUID(ZWayBindingConstants.THING_TYPE_DEVICE,
 129                             mBridgeHandler.getThing().getUID(), nodeId.toString());
 130
 131                     /*
 132                      * Properties
 133                      * - Configuration: DEVICE_CONFIG_NODE_ID
 134                      * - System properties:
 135                      * --- PROPERTY_VENDOR
 136                      * --- other default properties not available
 137                      * - Custom properties:
 138                      * --- DEVICE_LOCATION
 139                      * --- DEVICE_MANUFACTURER_ID
 140                      * --- DEVICE_DEVICE_TYPE
 141                      * --- DEVICE_ZDDXMLFILE
 142                      * --- DEVICE_SDK
 143                      */
 144                     DiscoveryResult discoveryResult = DiscoveryResultBuilder.create(thingUID).withLabel(givenName)
 145                             .withBridge(bridgeUID).withProperty(ZWayBindingConstants.DEVICE_CONFIG_NODE_ID, nodeId)
 146                             .withProperty(Thing.PROPERTY_VENDOR, vendorString)
 147                             .withProperty(ZWayBindingConstants.DEVICE_PROP_LOCATION, location)
 148                             .withProperty(ZWayBindingConstants.DEVICE_PROP_MANUFACTURER_ID, manufacturerId)
 149                             .withProperty(ZWayBindingConstants.DEVICE_PROP_DEVICE_TYPE, deviceType)
 150                             .withProperty(ZWayBindingConstants.DEVICE_PROP_ZDDXMLFILE, zddxmlfile)
 151                             .withProperty(ZWayBindingConstants.DEVICE_PROP_SDK, sdk).build();
 152                     thingDiscovered(discoveryResult);
 153                 } else {
 154                     logger.warn("Z-Wave device not loaded");
 155                 }
 156             }
 157
 158             for (Device device : deviceList.getDevices()) {
 159                 if (device.getVisibility() && !device.getPermanentlyHidden()) {
 160                     if (ZWayBindingConstants.DISCOVERY_IGNORED_DEVICES.contains(device.getDeviceId().split("_")[0])) {
 161                         logger.debug("Skip device: {}", device.getMetrics().getTitle());
 162                         continue;
 163                     }
 164
 165                     if (device instanceof SensorMultiline || device instanceof Camera || device instanceof Text) {
 166                         logger.debug("Skip device because the device type is not supported: {}",
 167                                 device.getMetrics().getTitle());
 168                         continue;
 169                     }
 170
 171                     ThingUID bridgeUID = mBridgeHandler.getThing().getUID();
 172
 173                     String location = "";
 174                     // Add location, assuming that each (virtual) device is assigned to the same room
 175                     if (locationList != null) {
 176                         // Add only the location if this differs from globalRoom (with id 0)
 177                         if (device.getLocation() != -1 && device.getLocation() != 0) {
 178                             try {
 179                                 location = locationList.getLocationById(device.getLocation()).getTitle();
 180                             } catch (NullPointerException npe) {
 181                                 location = "";
 182                             }
 183                         }
 184                     }
 185
 186                     logger.debug("Z-Way virtual device found with device type: {} - {} - {}", device.getDeviceType(),
 187                             device.getMetrics().getProbeTitle(), device.getNodeId());
 188
 189                     ThingUID thingUID = new ThingUID(ZWayBindingConstants.THING_TYPE_VIRTUAL_DEVICE,
 190                             mBridgeHandler.getThing().getUID(), device.getDeviceId());
 191                     DiscoveryResult discoveryResult = DiscoveryResultBuilder.create(thingUID)
 192                             .withLabel(device.getMetrics().getTitle()).withBridge(bridgeUID)
 193                             .withProperty(ZWayBindingConstants.DEVICE_CONFIG_VIRTUAL_DEVICE_ID, device.getDeviceId())
 194                             .withProperty(ZWayBindingConstants.DEVICE_PROP_LOCATION, location).build();
 195                     thingDiscovered(discoveryResult);
 196                 }
 197             }
 198         } else {
 199             logger.warn("Devices not loaded");
 200         }
 201     }
 202
 203     @Override
 204     protected void startScan() {
 205         scan();
 206     }
 207
 208     @Override
 209     protected synchronized void stopScan() {
 210         super.stopScan();
 211         removeOlderResults(getTimestampOfLastScan());
 212     }
 213
 214     @Override
 215     protected void startBackgroundDiscovery() {
 216         if (mZWayDeviceScanningJob == null || mZWayDeviceScanningJob.isCancelled()) {
 217             logger.debug("Starting background scanning job");
 218             mZWayDeviceScanningJob = scheduler.scheduleWithFixedDelay(mZWayDeviceScanningRunnable, INITIAL_DELAY,
 219                     SCAN_INTERVAL, TimeUnit.SECONDS);
 220         } else {
 221             logger.debug("Scanning job is allready active");
 222         }
 223     }
 224
 225     @Override
 226     protected void stopBackgroundDiscovery() {
 227         if (mZWayDeviceScanningJob != null && !mZWayDeviceScanningJob.isCancelled()) {
 228             mZWayDeviceScanningJob.cancel(false);
 229             mZWayDeviceScanningJob = null;
 230         }
 231     }
 232
 233     public class ZWayDeviceScan implements Runnable {
 234         @Override
 235         public void run() {
 236             scan();
 237         }
 238     }
 239 }