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   1 /**
   2  * Copyright (c) 2010-2021 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.powermax.internal.handler;
  14
  15 import static org.openhab.binding.powermax.internal.PowermaxBindingConstants.*;
  16
  17 import java.util.Collection;
  18 import java.util.Collections;
  19 import java.util.EventObject;
  20 import java.util.List;
  21 import java.util.Map;
  22 import java.util.concurrent.CopyOnWriteArrayList;
  23 import java.util.concurrent.ScheduledFuture;
  24 import java.util.concurrent.TimeUnit;
  25
  26 import org.eclipse.jdt.annotation.NonNullByDefault;
  27 import org.eclipse.jdt.annotation.Nullable;
  28 import org.openhab.binding.powermax.internal.config.PowermaxIpConfiguration;
  29 import org.openhab.binding.powermax.internal.config.PowermaxSerialConfiguration;
  30 import org.openhab.binding.powermax.internal.discovery.PowermaxDiscoveryService;
  31 import org.openhab.binding.powermax.internal.message.PowermaxCommManager;
  32 import org.openhab.binding.powermax.internal.message.PowermaxSendType;
  33 import org.openhab.binding.powermax.internal.state.PowermaxArmMode;
  34 import org.openhab.binding.powermax.internal.state.PowermaxPanelSettings;
  35 import org.openhab.binding.powermax.internal.state.PowermaxPanelSettingsListener;
  36 import org.openhab.binding.powermax.internal.state.PowermaxPanelType;
  37 import org.openhab.binding.powermax.internal.state.PowermaxState;
  38 import org.openhab.binding.powermax.internal.state.PowermaxStateContainer.Value;
  39 import org.openhab.binding.powermax.internal.state.PowermaxStateEvent;
  40 import org.openhab.binding.powermax.internal.state.PowermaxStateEventListener;
  41 import org.openhab.binding.powermax.internal.state.PowermaxZoneSettings;
  42 import org.openhab.core.i18n.TimeZoneProvider;
  43 import org.openhab.core.io.transport.serial.SerialPortManager;
  44 import org.openhab.core.library.types.OnOffType;
  45 import org.openhab.core.library.types.StringType;
  46 import org.openhab.core.thing.Bridge;
  47 import org.openhab.core.thing.ChannelUID;
  48 import org.openhab.core.thing.Thing;
  49 import org.openhab.core.thing.ThingStatus;
  50 import org.openhab.core.thing.ThingStatusDetail;
  51 import org.openhab.core.thing.binding.BaseBridgeHandler;
  52 import org.openhab.core.thing.binding.ThingHandlerService;
  53 import org.openhab.core.types.Command;
  54 import org.openhab.core.types.RefreshType;
  55 import org.openhab.core.types.UnDefType;
  56 import org.slf4j.Logger;
  57 import org.slf4j.LoggerFactory;
  58
  59 /**
  60  * The {@link PowermaxBridgeHandler} is responsible for handling commands, which are
  61  * sent to one of the channels.
  62  *
  63  * @author Laurent Garnier - Initial contribution
  64  */
  65 @NonNullByDefault
  66 public class PowermaxBridgeHandler extends BaseBridgeHandler implements PowermaxStateEventListener {
  67
  68     private static final long ONE_MINUTE = TimeUnit.MINUTES.toMillis(1);
  69     private static final long FIVE_MINUTES = TimeUnit.MINUTES.toMillis(5);
  70
  71     private static final int NB_EVENT_LOG = 10;
  72
  73     private static final PowermaxPanelType DEFAULT_PANEL_TYPE = PowermaxPanelType.POWERMAX_PRO;
  74
  75     private static final int JOB_REPEAT = 20;
  76
  77     private static final int MAX_DOWNLOAD_ATTEMPTS = 3;
  78
  79     private final Logger logger = LoggerFactory.getLogger(PowermaxBridgeHandler.class);
  80
  81     private final SerialPortManager serialPortManager;
  82     private final TimeZoneProvider timeZoneProvider;
  83
  84     private final List<PowermaxPanelSettingsListener> listeners = new CopyOnWriteArrayList<>();
  85
  86     private @Nullable ScheduledFuture<?> globalJob;
  87
  88     /** The delay in milliseconds to reset a motion detection */
  89     private long motionOffDelay;
  90
  91     /** The PIN code to use for arming/disarming the Powermax alarm system from openHAB */
  92     private String pinCode;
  93
  94     /** Force the standard mode rather than trying using the Powerlink mode */
  95     private boolean forceStandardMode;
  96
  97     /** The object to store the current state of the Powermax alarm system */
  98     private PowermaxState currentState;
  99
 100     /** The object in charge of the communication with the Powermax alarm system */
 101     private @Nullable PowermaxCommManager commManager;
 102
 103     private int remainingDownloadAttempts;
 104
 105     public PowermaxBridgeHandler(Bridge thing, SerialPortManager serialPortManager, TimeZoneProvider timeZoneProvider) {
 106         super(thing);
 107         this.serialPortManager = serialPortManager;
 108         this.timeZoneProvider = timeZoneProvider;
 109         this.pinCode = "";
 110         this.currentState = new PowermaxState(new PowermaxPanelSettings(DEFAULT_PANEL_TYPE), timeZoneProvider);
 111     }
 112
 113     @Override
 114     public Collection<Class<? extends ThingHandlerService>> getServices() {
 115         return Collections.singleton(PowermaxDiscoveryService.class);
 116     }
 117
 118     public @Nullable PowermaxState getCurrentState() {
 119         PowermaxCommManager localCommManager = commManager;
 120         return (localCommManager == null) ? null : currentState;
 121     }
 122
 123     public @Nullable PowermaxPanelSettings getPanelSettings() {
 124         PowermaxCommManager localCommManager = commManager;
 125         return (localCommManager == null) ? null : localCommManager.getPanelSettings();
 126     }
 127
 128     @Override
 129     public void initialize() {
 130         logger.debug("initializing handler for thing {}", getThing().getUID());
 131
 132         commManager = null;
 133
 134         String threadName = "OH-binding-" + getThing().getUID().getAsString();
 135
 136         String errorMsg = String.format("@text/offline.config-error-unexpected-thing-type [ \"%s\" ]",
 137                 getThing().getThingTypeUID().getAsString());
 138         if (getThing().getThingTypeUID().equals(BRIDGE_TYPE_SERIAL)) {
 139             errorMsg = initializeBridgeSerial(getConfigAs(PowermaxSerialConfiguration.class), threadName);
 140         } else if (getThing().getThingTypeUID().equals(BRIDGE_TYPE_IP)) {
 141             errorMsg = initializeBridgeIp(getConfigAs(PowermaxIpConfiguration.class), threadName);
 142         }
 143
 144         if (errorMsg == null) {
 145             ScheduledFuture<?> job = globalJob;
 146             if (job == null || job.isCancelled()) {
 147                 // Delay the startup in case the handler is restarted immediately
 148                 globalJob = scheduler.scheduleWithFixedDelay(() -> {
 149                     try {
 150                         logger.trace("Powermax job...");
 151                         updateMotionSensorState();
 152                         updateRingingState();
 153                         if (isConnected()) {
 154                             checkKeepAlive();
 155                             retryDownloadSetup();
 156                         } else {
 157                             tryReconnect();
 158                         }
 159                     } catch (Exception e) {
 160                         logger.warn("Exception in scheduled job: {}", e.getMessage(), e);
 161                     }
 162                 }, 10, JOB_REPEAT, TimeUnit.SECONDS);
 163             }
 164         } else {
 165             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR, errorMsg);
 166         }
 167     }
 168
 169     private @Nullable String initializeBridgeSerial(PowermaxSerialConfiguration config, String threadName) {
 170         String errorMsg = null;
 171         String serialPort = config.serialPort.trim();
 172         if (!serialPort.isEmpty() && !serialPort.startsWith("rfc2217")) {
 173             motionOffDelay = config.motionOffDelay * ONE_MINUTE;
 174             pinCode = config.pinCode;
 175             forceStandardMode = config.forceStandardMode;
 176             PowermaxPanelType panelType = getPanelTypeSetting(config.panelType, DEFAULT_PANEL_TYPE);
 177
 178             PowermaxArmMode.DISARMED.setAllowedCommand(config.allowDisarming);
 179             PowermaxArmMode.ARMED_HOME.setAllowedCommand(config.allowArming);
 180             PowermaxArmMode.ARMED_AWAY.setAllowedCommand(config.allowArming);
 181             PowermaxArmMode.ARMED_HOME_INSTANT.setAllowedCommand(config.allowArming);
 182             PowermaxArmMode.ARMED_AWAY_INSTANT.setAllowedCommand(config.allowArming);
 183             PowermaxArmMode.ARMED_NIGHT.setAllowedCommand(config.allowArming);
 184             PowermaxArmMode.ARMED_NIGHT_INSTANT.setAllowedCommand(config.allowArming);
 185
 186             commManager = new PowermaxCommManager(serialPort, panelType, forceStandardMode, config.autoSyncTime,
 187                     serialPortManager, threadName, timeZoneProvider);
 188         } else {
 189             if (serialPort.startsWith("rfc2217")) {
 190                 errorMsg = "@text/offline.config-error-invalid-thing-type";
 191             } else {
 192                 errorMsg = "@text/offline.config-error-mandatory-serial-port";
 193             }
 194         }
 195         return errorMsg;
 196     }
 197
 198     private @Nullable String initializeBridgeIp(PowermaxIpConfiguration config, String threadName) {
 199         String errorMsg = null;
 200         String ip = config.ip.trim();
 201         if (!ip.isEmpty() && config.tcpPort > 0) {
 202             motionOffDelay = config.motionOffDelay * ONE_MINUTE;
 203             pinCode = config.pinCode;
 204             forceStandardMode = config.forceStandardMode;
 205             PowermaxPanelType panelType = getPanelTypeSetting(config.panelType, DEFAULT_PANEL_TYPE);
 206
 207             PowermaxArmMode.DISARMED.setAllowedCommand(config.allowDisarming);
 208             PowermaxArmMode.ARMED_HOME.setAllowedCommand(config.allowArming);
 209             PowermaxArmMode.ARMED_AWAY.setAllowedCommand(config.allowArming);
 210             PowermaxArmMode.ARMED_HOME_INSTANT.setAllowedCommand(config.allowArming);
 211             PowermaxArmMode.ARMED_AWAY_INSTANT.setAllowedCommand(config.allowArming);
 212             PowermaxArmMode.ARMED_NIGHT.setAllowedCommand(config.allowArming);
 213             PowermaxArmMode.ARMED_NIGHT_INSTANT.setAllowedCommand(config.allowArming);
 214
 215             commManager = new PowermaxCommManager(ip, config.tcpPort, panelType, forceStandardMode, config.autoSyncTime,
 216                     threadName, timeZoneProvider);
 217         } else {
 218             errorMsg = "@text/offline.config-error-mandatory-ip-port";
 219         }
 220         return errorMsg;
 221     }
 222
 223     @Override
 224     public void dispose() {
 225         logger.debug("Handler disposed for thing {}", getThing().getUID());
 226         ScheduledFuture<?> job = globalJob;
 227         if (job != null && !job.isCancelled()) {
 228             job.cancel(true);
 229             globalJob = null;
 230         }
 231         closeConnection();
 232         commManager = null;
 233         super.dispose();
 234     }
 235
 236     /*
 237      * Set the state of items linked to motion sensors to OFF when the last trip is older
 238      * than the value defined by the variable motionOffDelay
 239      */
 240     private void updateMotionSensorState() {
 241         PowermaxCommManager localCommManager = commManager;
 242         if (localCommManager != null) {
 243             long now = System.currentTimeMillis();
 244             boolean update = false;
 245             PowermaxState updateState = localCommManager.createNewState();
 246             PowermaxPanelSettings panelSettings = localCommManager.getPanelSettings();
 247             for (int i = 1; i <= panelSettings.getNbZones(); i++) {
 248                 PowermaxZoneSettings zoneSettings = panelSettings.getZoneSettings(i);
 249                 if (zoneSettings != null && zoneSettings.isMotionSensor()
 250                         && currentState.getZone(i).isLastTripBeforeTime(now - motionOffDelay)) {
 251                     update = true;
 252                     updateState.getZone(i).tripped.setValue(false);
 253                 }
 254             }
 255             if (update) {
 256                 updateChannelsFromAlarmState(TRIPPED, updateState);
 257                 currentState.merge(updateState);
 258             }
 259         }
 260     }
 261
 262     /**
 263      * Turn off the Ringing flag when the bell time expires
 264      */
 265     private void updateRingingState() {
 266         PowermaxCommManager localCommManager = commManager;
 267         if (localCommManager != null && Boolean.TRUE.equals(currentState.ringing.getValue())) {
 268             long now = System.currentTimeMillis();
 269             long bellTime = localCommManager.getPanelSettings().getBellTime() * ONE_MINUTE;
 270
 271             Long ringingSince = currentState.ringingSince.getValue();
 272             if (ringingSince != null && (ringingSince + bellTime) < now) {
 273                 PowermaxState updateState = localCommManager.createNewState();
 274                 updateState.ringing.setValue(false);
 275                 updateChannelsFromAlarmState(RINGING, updateState);
 276                 currentState.merge(updateState);
 277             }
 278         }
 279     }
 280
 281     /*
 282      * Check that we're actively communicating with the panel
 283      */
 284     private void checkKeepAlive() {
 285         PowermaxCommManager localCommManager = commManager;
 286         if (localCommManager == null) {
 287             return;
 288         }
 289         long now = System.currentTimeMillis();
 290         Long lastKeepAlive = currentState.lastKeepAlive.getValue();
 291         Long lastMessageTime = currentState.lastMessageTime.getValue();
 292         if (Boolean.TRUE.equals(currentState.powerlinkMode.getValue()) && (lastKeepAlive != null)
 293                 && ((now - lastKeepAlive) > ONE_MINUTE)) {
 294             // In Powerlink mode: let Powermax know we are alive
 295             localCommManager.sendRestoreMessage();
 296             currentState.lastKeepAlive.setValue(now);
 297         } else if (!Boolean.TRUE.equals(currentState.downloadMode.getValue()) && (lastMessageTime != null)
 298                 && ((now - lastMessageTime) > FIVE_MINUTES)) {
 299             // In Standard mode: ping the panel every so often to detect disconnects
 300             localCommManager.sendMessage(PowermaxSendType.STATUS);
 301         }
 302     }
 303
 304     private void tryReconnect() {
 305         PowermaxCommManager localCommManager = commManager;
 306         if (localCommManager == null) {
 307             return;
 308         }
 309         logger.info("Trying to connect or reconnect...");
 310         closeConnection();
 311         currentState = localCommManager.createNewState();
 312         try {
 313             openConnection();
 314             logger.debug("openConnection(): connected");
 315             updateStatus(ThingStatus.ONLINE);
 316             updateChannelsFromAlarmState(currentState);
 317             if (forceStandardMode) {
 318                 currentState.powerlinkMode.setValue(false);
 319                 updateChannelsFromAlarmState(MODE, currentState);
 320                 processPanelSettings();
 321             } else {
 322                 localCommManager.startDownload();
 323             }
 324         } catch (Exception e) {
 325             logger.debug("openConnection(): {}", e.getMessage(), e);
 326             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR, e.getMessage());
 327             setAllChannelsOffline();
 328         }
 329     }
 330
 331     /**
 332      * Open a TCP or Serial connection to the Powermax Alarm Panel
 333      *
 334      * @return true if the connection has been opened
 335      */
 336     private synchronized void openConnection() throws Exception {
 337         PowermaxCommManager localCommManager = commManager;
 338         if (localCommManager != null) {
 339             localCommManager.addEventListener(this);
 340             localCommManager.open();
 341         }
 342         remainingDownloadAttempts = MAX_DOWNLOAD_ATTEMPTS;
 343     }
 344
 345     /**
 346      * Close TCP or Serial connection to the Powermax Alarm Panel and remove the Event Listener
 347      */
 348     private synchronized void closeConnection() {
 349         PowermaxCommManager localCommManager = commManager;
 350         if (localCommManager != null) {
 351             localCommManager.close();
 352             localCommManager.removeEventListener(this);
 353         }
 354         logger.debug("closeConnection(): disconnected");
 355     }
 356
 357     private boolean isConnected() {
 358         PowermaxCommManager localCommManager = commManager;
 359         return localCommManager == null ? false : localCommManager.isConnected();
 360     }
 361
 362     private void retryDownloadSetup() {
 363         PowermaxCommManager localCommManager = commManager;
 364         if (localCommManager != null) {
 365             localCommManager.retryDownloadSetup(remainingDownloadAttempts);
 366         }
 367     }
 368
 369     @Override
 370     public void handleCommand(ChannelUID channelUID, Command command) {
 371         logger.debug("Received command {} from channel {}", command, channelUID.getId());
 372
 373         if (command instanceof RefreshType) {
 374             updateChannelsFromAlarmState(channelUID.getId(), getCurrentState());
 375         } else {
 376             switch (channelUID.getId()) {
 377                 case ARM_MODE:
 378                     try {
 379                         PowermaxArmMode armMode = PowermaxArmMode.fromShortName(command.toString());
 380                         armCommand(armMode);
 381                     } catch (IllegalArgumentException e) {
 382                         logger.debug("Powermax alarm binding: invalid command {}", command);
 383                     }
 384                     break;
 385                 case SYSTEM_ARMED:
 386                     if (command instanceof OnOffType) {
 387                         armCommand(
 388                                 command.equals(OnOffType.ON) ? PowermaxArmMode.ARMED_AWAY : PowermaxArmMode.DISARMED);
 389                     } else {
 390                         logger.debug("Command of type {} while OnOffType is expected. Command is ignored.",
 391                                 command.getClass().getSimpleName());
 392                     }
 393                     break;
 394                 case PGM_STATUS:
 395                     pgmCommand(command);
 396                     break;
 397                 case UPDATE_EVENT_LOGS:
 398                     downloadEventLog();
 399                     break;
 400                 case DOWNLOAD_SETUP:
 401                     downloadSetup();
 402                     break;
 403                 default:
 404                     logger.debug("No available command for channel {}. Command is ignored.", channelUID.getId());
 405                     break;
 406             }
 407         }
 408     }
 409
 410     private void armCommand(PowermaxArmMode armMode) {
 411         PowermaxCommManager localCommManager = commManager;
 412         if (localCommManager == null) {
 413             logger.debug("Powermax alarm binding not correctly initialized. Arm command is ignored.");
 414         } else if (!isConnected()) {
 415             logger.debug("Powermax alarm binding not connected. Arm command is ignored.");
 416         } else {
 417             localCommManager.requestArmMode(armMode,
 418                     Boolean.TRUE.equals(currentState.powerlinkMode.getValue())
 419                             ? localCommManager.getPanelSettings().getFirstPinCode()
 420                             : pinCode);
 421         }
 422     }
 423
 424     private void pgmCommand(Command command) {
 425         PowermaxCommManager localCommManager = commManager;
 426         if (localCommManager == null) {
 427             logger.debug("Powermax alarm binding not correctly initialized. PGM command is ignored.");
 428         } else if (!isConnected()) {
 429             logger.debug("Powermax alarm binding not connected. PGM command is ignored.");
 430         } else {
 431             localCommManager.sendPGMX10(command, null);
 432         }
 433     }
 434
 435     public void x10Command(Byte deviceNr, Command command) {
 436         PowermaxCommManager localCommManager = commManager;
 437         if (localCommManager == null) {
 438             logger.debug("Powermax alarm binding not correctly initialized. X10 command is ignored.");
 439         } else if (!isConnected()) {
 440             logger.debug("Powermax alarm binding not connected. X10 command is ignored.");
 441         } else {
 442             localCommManager.sendPGMX10(command, deviceNr);
 443         }
 444     }
 445
 446     public void zoneBypassed(byte zoneNr, boolean bypassed) {
 447         PowermaxCommManager localCommManager = commManager;
 448         if (localCommManager == null) {
 449             logger.debug("Powermax alarm binding not correctly initialized. Zone bypass command is ignored.");
 450         } else if (!isConnected()) {
 451             logger.debug("Powermax alarm binding not connected. Zone bypass command is ignored.");
 452         } else if (!Boolean.TRUE.equals(currentState.powerlinkMode.getValue())) {
 453             logger.debug("Powermax alarm binding: Bypass option only supported in Powerlink mode");
 454         } else if (!localCommManager.getPanelSettings().isBypassEnabled()) {
 455             logger.debug("Powermax alarm binding: Bypass option not enabled in panel settings");
 456         } else {
 457             localCommManager.sendZoneBypass(bypassed, zoneNr, localCommManager.getPanelSettings().getFirstPinCode());
 458         }
 459     }
 460
 461     private void downloadEventLog() {
 462         PowermaxCommManager localCommManager = commManager;
 463         if (localCommManager == null) {
 464             logger.debug("Powermax alarm binding not correctly initialized. Event logs command is ignored.");
 465         } else if (!isConnected()) {
 466             logger.debug("Powermax alarm binding not connected. Event logs command is ignored.");
 467         } else {
 468             localCommManager.requestEventLog(Boolean.TRUE.equals(currentState.powerlinkMode.getValue())
 469                     ? localCommManager.getPanelSettings().getFirstPinCode()
 470                     : pinCode);
 471         }
 472     }
 473
 474     public void downloadSetup() {
 475         PowermaxCommManager localCommManager = commManager;
 476         if (localCommManager == null) {
 477             logger.debug("Powermax alarm binding not correctly initialized. Download setup command is ignored.");
 478         } else if (!isConnected()) {
 479             logger.debug("Powermax alarm binding not connected. Download setup command is ignored.");
 480         } else if (!Boolean.TRUE.equals(currentState.powerlinkMode.getValue())) {
 481             logger.debug("Powermax alarm binding: download setup only supported in Powerlink mode");
 482         } else if (localCommManager.isDownloadRunning()) {
 483             logger.debug("Powermax alarm binding: download setup not started as one is in progress");
 484         } else {
 485             localCommManager.startDownload();
 486             if (currentState.lastKeepAlive.getValue() != null) {
 487                 currentState.lastKeepAlive.setValue(System.currentTimeMillis());
 488             }
 489         }
 490     }
 491
 492     public String getInfoSetup() {
 493         PowermaxPanelSettings panelSettings = getPanelSettings();
 494         return (panelSettings == null) ? "" : panelSettings.getInfo();
 495     }
 496
 497     @Override
 498     public void onNewStateEvent(EventObject event) {
 499         PowermaxCommManager localCommManager = commManager;
 500         if (localCommManager == null) {
 501             return;
 502         }
 503
 504         PowermaxStateEvent stateEvent = (PowermaxStateEvent) event;
 505         PowermaxState updateState = stateEvent.getState();
 506
 507         if (Boolean.TRUE.equals(currentState.powerlinkMode.getValue())
 508                 && Boolean.TRUE.equals(updateState.downloadSetupRequired.getValue())) {
 509             // After Enrolling Powerlink or if a reset is required
 510             logger.debug("Powermax alarm binding: Reset");
 511             localCommManager.startDownload();
 512             updateState.downloadSetupRequired.setValue(false);
 513             if (currentState.lastKeepAlive.getValue() != null) {
 514                 currentState.lastKeepAlive.setValue(System.currentTimeMillis());
 515             }
 516         } else if (Boolean.FALSE.equals(currentState.powerlinkMode.getValue())
 517                 && updateState.lastKeepAlive.getValue() != null) {
 518             // Were are in standard mode but received a keep alive message
 519             // so we switch in PowerLink mode
 520             logger.debug("Powermax alarm binding: Switching to Powerlink mode");
 521             localCommManager.startDownload();
 522         }
 523
 524         boolean doProcessSettings = (updateState.powerlinkMode.getValue() != null);
 525
 526         PowermaxPanelSettings panelSettings = localCommManager.getPanelSettings();
 527         panelSettings.getZoneRange().forEach(i -> {
 528             if (Boolean.TRUE.equals(updateState.getZone(i).armed.getValue())
 529                     && Boolean.TRUE.equals(currentState.getZone(i).bypassed.getValue())) {
 530                 updateState.getZone(i).armed.setValue(false);
 531             }
 532         });
 533
 534         updateState.keepOnlyDifferencesWith(currentState);
 535         updateChannelsFromAlarmState(updateState);
 536         currentState.merge(updateState);
 537
 538         if (!updateState.getUpdatedZoneNames().isEmpty()) {
 539             for (Integer zoneIdx : updateState.getUpdatedZoneNames().keySet()) {
 540                 if (panelSettings.getZoneSettings(zoneIdx) != null) {
 541                     for (PowermaxPanelSettingsListener listener : listeners) {
 542                         listener.onZoneSettingsUpdated(zoneIdx, panelSettings);
 543                     }
 544                 }
 545             }
 546         }
 547
 548         if (doProcessSettings) {
 549             // There is a change of mode (standard or Powerlink)
 550             processPanelSettings();
 551             localCommManager.exitDownload();
 552         }
 553     }
 554
 555     @Override
 556     public void onCommunicationFailure(String message) {
 557         updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR, message);
 558         setAllChannelsOffline();
 559     }
 560
 561     private void processPanelSettings() {
 562         PowermaxCommManager localCommManager = commManager;
 563         if (localCommManager == null) {
 564             return;
 565         }
 566
 567         if (localCommManager.processPanelSettings(Boolean.TRUE.equals(currentState.powerlinkMode.getValue()))) {
 568             for (PowermaxPanelSettingsListener listener : listeners) {
 569                 listener.onPanelSettingsUpdated(localCommManager.getPanelSettings());
 570             }
 571             remainingDownloadAttempts = 0;
 572         } else {
 573             logger.info("Powermax alarm binding: setup download failed!");
 574             for (PowermaxPanelSettingsListener listener : listeners) {
 575                 listener.onPanelSettingsUpdated(null);
 576             }
 577             remainingDownloadAttempts--;
 578         }
 579         updatePropertiesFromPanelSettings();
 580         if (Boolean.TRUE.equals(currentState.powerlinkMode.getValue())) {
 581             logger.info("Powermax alarm binding: running in Powerlink mode");
 582             localCommManager.sendRestoreMessage();
 583         } else {
 584             logger.info("Powermax alarm binding: running in Standard mode");
 585             localCommManager.getInfosWhenInStandardMode();
 586         }
 587     }
 588
 589     /**
 590      * Update channels to match a new alarm system state
 591      *
 592      * @param state: the alarm system state
 593      */
 594     private void updateChannelsFromAlarmState(@Nullable PowermaxState state) {
 595         updateChannelsFromAlarmState(null, state);
 596     }
 597
 598     /**
 599      * Update channels to match a new alarm system state
 600      *
 601      * @param channel: filter on a particular channel; if null, consider all channels
 602      * @param state: the alarm system state
 603      */
 604     private synchronized void updateChannelsFromAlarmState(@Nullable String channel, @Nullable PowermaxState state) {
 605         if (state == null || !isConnected()) {
 606             return;
 607         }
 608
 609         for (Value<?> value : state.getValues()) {
 610             String vChannel = value.getChannel();
 611
 612             if (((channel == null) || channel.equals(vChannel)) && isLinked(vChannel) && (value.getValue() != null)) {
 613                 updateState(vChannel, value.getState());
 614             }
 615         }
 616
 617         for (int i = 1; i <= NB_EVENT_LOG; i++) {
 618             String channel2 = String.format(EVENT_LOG, i);
 619             String log = state.getEventLog(i);
 620             if (((channel == null) || channel.equals(channel2)) && isLinked(channel2) && (log != null)) {
 621                 updateState(channel2, new StringType(log));
 622             }
 623         }
 624
 625         for (Thing thing : getThing().getThings()) {
 626             if (thing.getHandler() != null) {
 627                 PowermaxThingHandler handler = (PowermaxThingHandler) thing.getHandler();
 628                 if (handler != null) {
 629                     if (thing.getThingTypeUID().equals(THING_TYPE_ZONE)) {
 630                         // All of the zone state objects will have the same list of values.
 631                         // The use of getZone(1) here is just to get any PowermaxZoneState
 632                         // and use it to get the list of zone channels.
 633
 634                         for (Value<?> value : state.getZone(1).getValues()) {
 635                             String channelId = value.getChannel();
 636                             if ((channel == null) || channel.equals(channelId)) {
 637                                 handler.updateChannelFromAlarmState(channelId, state);
 638                             }
 639                         }
 640                     } else if (thing.getThingTypeUID().equals(THING_TYPE_X10)) {
 641                         if ((channel == null) || channel.equals(X10_STATUS)) {
 642                             handler.updateChannelFromAlarmState(X10_STATUS, state);
 643                         }
 644                     }
 645                 }
 646             }
 647         }
 648     }
 649
 650     /**
 651      * Update all channels to an UNDEF state to indicate that communication with the panel is offline
 652      */
 653     private synchronized void setAllChannelsOffline() {
 654         getThing().getChannels().forEach(c -> updateState(c.getUID(), UnDefType.UNDEF));
 655     }
 656
 657     /**
 658      * Update properties to match the alarm panel settings
 659      */
 660     private void updatePropertiesFromPanelSettings() {
 661         PowermaxPanelSettings panelSettings = getPanelSettings();
 662         if (panelSettings == null) {
 663             return;
 664         }
 665         String value;
 666         Map<String, String> properties = editProperties();
 667         value = panelSettings.getPanelType().getLabel();
 668         if (!value.isEmpty()) {
 669             properties.put(Thing.PROPERTY_MODEL_ID, value);
 670         }
 671         value = panelSettings.getPanelSerial();
 672         if (value != null && !value.isEmpty()) {
 673             properties.put(Thing.PROPERTY_SERIAL_NUMBER, value);
 674         }
 675         value = panelSettings.getPanelEprom();
 676         if (value != null && !value.isEmpty()) {
 677             properties.put(Thing.PROPERTY_HARDWARE_VERSION, value);
 678         }
 679         value = panelSettings.getPanelSoftware();
 680         if (value != null && !value.isEmpty()) {
 681             properties.put(Thing.PROPERTY_FIRMWARE_VERSION, value);
 682         }
 683         updateProperties(properties);
 684     }
 685
 686     public boolean registerPanelSettingsListener(PowermaxPanelSettingsListener listener) {
 687         boolean inList = true;
 688         if (!listeners.contains(listener)) {
 689             inList = listeners.add(listener);
 690         }
 691         return inList;
 692     }
 693
 694     public boolean unregisterPanelSettingsListener(PowermaxPanelSettingsListener listener) {
 695         return listeners.remove(listener);
 696     }
 697
 698     private PowermaxPanelType getPanelTypeSetting(String value, PowermaxPanelType defaultValue) {
 699         PowermaxPanelType result;
 700         try {
 701             result = PowermaxPanelType.fromLabel(value);
 702         } catch (IllegalArgumentException e) {
 703             result = defaultValue;
 704             logger.debug("Powermax alarm binding: panel type not configured correctly");
 705         }
 706         return result;
 707     }
 708 }