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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.tesla.internal.handler;
  14
  15 import static org.openhab.binding.tesla.internal.TeslaBindingConstants.*;
  16
  17 import java.io.IOException;
  18 import java.math.BigDecimal;
  19 import java.math.RoundingMode;
  20 import java.net.URI;
  21 import java.net.URISyntaxException;
  22 import java.text.SimpleDateFormat;
  23 import java.util.Arrays;
  24 import java.util.Date;
  25 import java.util.HashMap;
  26 import java.util.HashSet;
  27 import java.util.Map;
  28 import java.util.Set;
  29 import java.util.concurrent.ScheduledFuture;
  30 import java.util.concurrent.TimeUnit;
  31 import java.util.concurrent.locks.ReentrantLock;
  32 import java.util.stream.Collectors;
  33
  34 import javax.measure.quantity.Temperature;
  35 import javax.ws.rs.ProcessingException;
  36 import javax.ws.rs.client.WebTarget;
  37 import javax.ws.rs.core.MediaType;
  38 import javax.ws.rs.core.Response;
  39
  40 import org.eclipse.jdt.annotation.Nullable;
  41 import org.openhab.binding.tesla.internal.TeslaBindingConstants;
  42 import org.openhab.binding.tesla.internal.TeslaBindingConstants.EventKeys;
  43 import org.openhab.binding.tesla.internal.TeslaChannelSelectorProxy;
  44 import org.openhab.binding.tesla.internal.TeslaChannelSelectorProxy.TeslaChannelSelector;
  45 import org.openhab.binding.tesla.internal.handler.TeslaAccountHandler.Request;
  46 import org.openhab.binding.tesla.internal.protocol.ChargeState;
  47 import org.openhab.binding.tesla.internal.protocol.ClimateState;
  48 import org.openhab.binding.tesla.internal.protocol.DriveState;
  49 import org.openhab.binding.tesla.internal.protocol.Event;
  50 import org.openhab.binding.tesla.internal.protocol.GUIState;
  51 import org.openhab.binding.tesla.internal.protocol.Vehicle;
  52 import org.openhab.binding.tesla.internal.protocol.VehicleData;
  53 import org.openhab.binding.tesla.internal.protocol.VehicleState;
  54 import org.openhab.binding.tesla.internal.throttler.QueueChannelThrottler;
  55 import org.openhab.binding.tesla.internal.throttler.Rate;
  56 import org.openhab.core.io.net.http.WebSocketFactory;
  57 import org.openhab.core.library.types.DecimalType;
  58 import org.openhab.core.library.types.IncreaseDecreaseType;
  59 import org.openhab.core.library.types.OnOffType;
  60 import org.openhab.core.library.types.PercentType;
  61 import org.openhab.core.library.types.QuantityType;
  62 import org.openhab.core.library.types.StringType;
  63 import org.openhab.core.library.unit.SIUnits;
  64 import org.openhab.core.library.unit.Units;
  65 import org.openhab.core.thing.ChannelUID;
  66 import org.openhab.core.thing.Thing;
  67 import org.openhab.core.thing.ThingStatus;
  68 import org.openhab.core.thing.ThingStatusDetail;
  69 import org.openhab.core.thing.binding.BaseThingHandler;
  70 import org.openhab.core.types.Command;
  71 import org.openhab.core.types.RefreshType;
  72 import org.openhab.core.types.State;
  73 import org.openhab.core.types.UnDefType;
  74 import org.slf4j.Logger;
  75 import org.slf4j.LoggerFactory;
  76
  77 import com.google.gson.Gson;
  78 import com.google.gson.JsonElement;
  79 import com.google.gson.JsonObject;
  80 import com.google.gson.JsonParser;
  81
  82 /**
  83  * The {@link TeslaVehicleHandler} is responsible for handling commands, which are sent
  84  * to one of the channels of a specific vehicle.
  85  *
  86  * @author Karel Goderis - Initial contribution
  87  * @author Kai Kreuzer - Refactored to use separate account handler and improved configuration options
  88  */
  89 public class TeslaVehicleHandler extends BaseThingHandler {
  90
  91     private static final int FAST_STATUS_REFRESH_INTERVAL = 15000;
  92     private static final int SLOW_STATUS_REFRESH_INTERVAL = 60000;
  93     private static final int API_SLEEP_INTERVAL_MINUTES = 20;
  94     private static final int MOVE_THRESHOLD_INTERVAL_MINUTES_DEFAULT = 5;
  95     private static final int THRESHOLD_INTERVAL_FOR_ADVANCED_MINUTES = 60;
  96     private static final int EVENT_MAXIMUM_ERRORS_IN_INTERVAL = 10;
  97     private static final int EVENT_ERROR_INTERVAL_SECONDS = 15;
  98     private static final int EVENT_STREAM_PAUSE = 3000;
  99     private static final int EVENT_TIMESTAMP_AGE_LIMIT = 3000;
 100     private static final int EVENT_TIMESTAMP_MAX_DELTA = 10000;
 101     private static final int EVENT_PING_INTERVAL = 10000;
 102
 103     private final Logger logger = LoggerFactory.getLogger(TeslaVehicleHandler.class);
 104
 105     // Vehicle state variables
 106     protected Vehicle vehicle;
 107     protected String vehicleJSON;
 108     protected DriveState driveState;
 109     protected GUIState guiState;
 110     protected VehicleState vehicleState;
 111     protected ChargeState chargeState;
 112     protected ClimateState climateState;
 113
 114     protected boolean allowWakeUp;
 115     protected boolean allowWakeUpForCommands;
 116     protected boolean enableEvents = false;
 117     protected boolean useDriveState = false;
 118     protected boolean useAdvancedStates = false;
 119     protected boolean lastValidDriveStateNotNull = true;
 120
 121     protected long lastTimeStamp;
 122     protected long apiIntervalTimestamp;
 123     protected int apiIntervalErrors;
 124     protected long eventIntervalTimestamp;
 125     protected int eventIntervalErrors;
 126     protected int inactivity = MOVE_THRESHOLD_INTERVAL_MINUTES_DEFAULT;
 127     protected ReentrantLock lock;
 128
 129     protected double lastLongitude;
 130     protected double lastLatitude;
 131     protected long lastLocationChangeTimestamp;
 132     protected long lastDriveStateChangeToNullTimestamp;
 133     protected long lastAdvModesTimestamp = System.currentTimeMillis();
 134     protected long lastStateTimestamp = System.currentTimeMillis();
 135     protected int backOffCounter = 0;
 136
 137     protected String lastState = "";
 138     protected boolean isInactive = false;
 139
 140     protected TeslaAccountHandler account;
 141
 142     protected QueueChannelThrottler stateThrottler;
 143     protected TeslaChannelSelectorProxy teslaChannelSelectorProxy = new TeslaChannelSelectorProxy();
 144     protected Thread eventThread;
 145     protected ScheduledFuture<?> stateJob;
 146     protected WebSocketFactory webSocketFactory;
 147
 148     private final Gson gson = new Gson();
 149
 150     public TeslaVehicleHandler(Thing thing, WebSocketFactory webSocketFactory) {
 151         super(thing);
 152         this.webSocketFactory = webSocketFactory;
 153     }
 154
 155     @SuppressWarnings("null")
 156     @Override
 157     public void initialize() {
 158         logger.trace("Initializing the Tesla handler for {}", getThing().getUID());
 159         updateStatus(ThingStatus.UNKNOWN);
 160         allowWakeUp = (boolean) getConfig().get(TeslaBindingConstants.CONFIG_ALLOWWAKEUP);
 161         allowWakeUpForCommands = (boolean) getConfig().get(TeslaBindingConstants.CONFIG_ALLOWWAKEUPFORCOMMANDS);
 162         enableEvents = (boolean) getConfig().get(TeslaBindingConstants.CONFIG_ENABLEEVENTS);
 163         Number inactivityParam = (Number) getConfig().get(TeslaBindingConstants.CONFIG_INACTIVITY);
 164         inactivity = inactivityParam == null ? MOVE_THRESHOLD_INTERVAL_MINUTES_DEFAULT : inactivityParam.intValue();
 165         Boolean useDriveStateParam = (boolean) getConfig().get(TeslaBindingConstants.CONFIG_USEDRIVESTATE);
 166         useDriveState = useDriveStateParam == null ? false : useDriveStateParam;
 167         Boolean useAdvancedStatesParam = (boolean) getConfig().get(TeslaBindingConstants.CONFIG_USEDADVANCEDSTATES);
 168         useAdvancedStates = useAdvancedStatesParam == null ? false : useAdvancedStatesParam;
 169
 170         account = (TeslaAccountHandler) getBridge().getHandler();
 171         lock = new ReentrantLock();
 172         scheduler.execute(this::queryVehicleAndUpdate);
 173
 174         lock.lock();
 175         try {
 176             Map<Object, Rate> channels = new HashMap<>();
 177             channels.put(DATA_THROTTLE, new Rate(1, 1, TimeUnit.SECONDS));
 178             channels.put(COMMAND_THROTTLE, new Rate(20, 1, TimeUnit.MINUTES));
 179
 180             Rate firstRate = new Rate(20, 1, TimeUnit.MINUTES);
 181             Rate secondRate = new Rate(200, 10, TimeUnit.MINUTES);
 182             stateThrottler = new QueueChannelThrottler(firstRate, scheduler, channels);
 183             stateThrottler.addRate(secondRate);
 184
 185             if (stateJob == null || stateJob.isCancelled()) {
 186                 stateJob = scheduler.scheduleWithFixedDelay(stateRunnable, 0, SLOW_STATUS_REFRESH_INTERVAL,
 187                         TimeUnit.MILLISECONDS);
 188             }
 189
 190             if (enableEvents) {
 191                 if (eventThread == null) {
 192                     eventThread = new Thread(eventRunnable, "OH-binding-" + getThing().getUID() + "-events");
 193                     eventThread.start();
 194                 }
 195             }
 196         } finally {
 197             lock.unlock();
 198         }
 199     }
 200
 201     @Override
 202     public void dispose() {
 203         logger.trace("Disposing the Tesla handler for {}", getThing().getUID());
 204         lock.lock();
 205         try {
 206             if (stateJob != null && !stateJob.isCancelled()) {
 207                 stateJob.cancel(true);
 208                 stateJob = null;
 209             }
 210
 211             if (eventThread != null && !eventThread.isInterrupted()) {
 212                 eventThread.interrupt();
 213                 eventThread = null;
 214             }
 215         } finally {
 216             lock.unlock();
 217         }
 218     }
 219
 220     /**
 221      * Retrieves the unique vehicle id this handler is associated with
 222      *
 223      * @return the vehicle id
 224      */
 225     public String getVehicleId() {
 226         if (vehicle != null) {
 227             return vehicle.id;
 228         } else {
 229             return null;
 230         }
 231     }
 232
 233     @Override
 234     public void handleCommand(ChannelUID channelUID, Command command) {
 235         logger.debug("handleCommand {} {}", channelUID, command);
 236         String channelID = channelUID.getId();
 237         TeslaChannelSelector selector = TeslaChannelSelector.getValueSelectorFromChannelID(channelID);
 238
 239         if (command instanceof RefreshType) {
 240             if (!isAwake()) {
 241                 logger.debug("Waking vehicle to refresh all data");
 242                 wakeUp();
 243             }
 244
 245             setActive();
 246
 247             // Request the state of all known variables. This is sub-optimal, but the requests get scheduled and
 248             // throttled so we are safe not to break the Tesla SLA
 249             requestAllData();
 250         } else if (selector != null) {
 251             if (!isAwake() && allowWakeUpForCommands) {
 252                 logger.debug("Waking vehicle to send command.");
 253                 wakeUp();
 254                 setActive();
 255             }
 256             try {
 257                 switch (selector) {
 258                     case CHARGE_LIMIT_SOC: {
 259                         if (command instanceof PercentType) {
 260                             setChargeLimit(((PercentType) command).intValue());
 261                         } else if (command instanceof OnOffType && command == OnOffType.ON) {
 262                             setChargeLimit(100);
 263                         } else if (command instanceof OnOffType && command == OnOffType.OFF) {
 264                             setChargeLimit(0);
 265                         } else if (command instanceof IncreaseDecreaseType
 266                                 && command == IncreaseDecreaseType.INCREASE) {
 267                             setChargeLimit(Math.min(chargeState.charge_limit_soc + 1, 100));
 268                         } else if (command instanceof IncreaseDecreaseType
 269                                 && command == IncreaseDecreaseType.DECREASE) {
 270                             setChargeLimit(Math.max(chargeState.charge_limit_soc - 1, 0));
 271                         }
 272                         break;
 273                     }
 274                     case CHARGE_AMPS:
 275                         Integer amps = null;
 276                         if (command instanceof DecimalType) {
 277                             amps = ((DecimalType) command).intValue();
 278                         }
 279                         if (command instanceof QuantityType<?>) {
 280                             QuantityType<?> qamps = ((QuantityType<?>) command).toUnit(Units.AMPERE);
 281                             if (qamps != null) {
 282                                 amps = qamps.intValue();
 283                             }
 284                         }
 285                         if (amps != null) {
 286                             if (amps < 5 || amps > 32) {
 287                                 logger.warn("Charging amps can only be set in a range of 5-32A, but not to {}A.", amps);
 288                                 return;
 289                             }
 290                             setChargingAmps(amps);
 291                         }
 292                         break;
 293                     case COMBINED_TEMP: {
 294                         QuantityType<Temperature> quantity = commandToQuantityType(command);
 295                         if (quantity != null) {
 296                             setCombinedTemperature(quanityToRoundedFloat(quantity));
 297                         }
 298                         break;
 299                     }
 300                     case DRIVER_TEMP: {
 301                         QuantityType<Temperature> quantity = commandToQuantityType(command);
 302                         if (quantity != null) {
 303                             setDriverTemperature(quanityToRoundedFloat(quantity));
 304                         }
 305                         break;
 306                     }
 307                     case PASSENGER_TEMP: {
 308                         QuantityType<Temperature> quantity = commandToQuantityType(command);
 309                         if (quantity != null) {
 310                             setPassengerTemperature(quanityToRoundedFloat(quantity));
 311                         }
 312                         break;
 313                     }
 314                     case SENTRY_MODE: {
 315                         if (command instanceof OnOffType) {
 316                             setSentryMode(command == OnOffType.ON);
 317                         }
 318                         break;
 319                     }
 320                     case SUN_ROOF_STATE: {
 321                         if (command instanceof StringType) {
 322                             setSunroof(command.toString());
 323                         }
 324                         break;
 325                     }
 326                     case CHARGE_TO_MAX: {
 327                         if (command instanceof OnOffType) {
 328                             if (((OnOffType) command) == OnOffType.ON) {
 329                                 setMaxRangeCharging(true);
 330                             } else {
 331                                 setMaxRangeCharging(false);
 332                             }
 333                         }
 334                         break;
 335                     }
 336                     case CHARGE: {
 337                         if (command instanceof OnOffType) {
 338                             if (((OnOffType) command) == OnOffType.ON) {
 339                                 charge(true);
 340                             } else {
 341                                 charge(false);
 342                             }
 343                         }
 344                         break;
 345                     }
 346                     case FLASH: {
 347                         if (command instanceof OnOffType) {
 348                             if (((OnOffType) command) == OnOffType.ON) {
 349                                 flashLights();
 350                             }
 351                         }
 352                         break;
 353                     }
 354                     case HONK_HORN: {
 355                         if (command instanceof OnOffType) {
 356                             if (((OnOffType) command) == OnOffType.ON) {
 357                                 honkHorn();
 358                             }
 359                         }
 360                         break;
 361                     }
 362                     case CHARGEPORT: {
 363                         if (command instanceof OnOffType) {
 364                             if (((OnOffType) command) == OnOffType.ON) {
 365                                 openChargePort();
 366                             }
 367                         }
 368                         break;
 369                     }
 370                     case DOOR_LOCK: {
 371                         if (command instanceof OnOffType) {
 372                             if (((OnOffType) command) == OnOffType.ON) {
 373                                 lockDoors(true);
 374                             } else {
 375                                 lockDoors(false);
 376                             }
 377                         }
 378                         break;
 379                     }
 380                     case AUTO_COND: {
 381                         if (command instanceof OnOffType) {
 382                             if (((OnOffType) command) == OnOffType.ON) {
 383                                 autoConditioning(true);
 384                             } else {
 385                                 autoConditioning(false);
 386                             }
 387                         }
 388                         break;
 389                     }
 390                     case WAKEUP: {
 391                         if (command instanceof OnOffType) {
 392                             if (((OnOffType) command) == OnOffType.ON) {
 393                                 wakeUp();
 394                             }
 395                         }
 396                         break;
 397                     }
 398                     case FT: {
 399                         if (command instanceof OnOffType) {
 400                             if (((OnOffType) command) == OnOffType.ON) {
 401                                 openFrunk();
 402                             }
 403                         }
 404                         break;
 405                     }
 406                     case RT: {
 407                         if (command instanceof OnOffType) {
 408                             if (((OnOffType) command) == OnOffType.ON) {
 409                                 if (vehicleState.rt == 0) {
 410                                     openTrunk();
 411                                 }
 412                             } else if (vehicleState.rt == 1) {
 413                                 closeTrunk();
 414                             }
 415                         }
 416                         break;
 417                     }
 418                     case VALET_MODE: {
 419                         if (command instanceof OnOffType) {
 420                             int valetpin = ((BigDecimal) getConfig().get(VALETPIN)).intValue();
 421                             if (((OnOffType) command) == OnOffType.ON) {
 422                                 setValetMode(true, valetpin);
 423                             } else {
 424                                 setValetMode(false, valetpin);
 425                             }
 426                         }
 427                         break;
 428                     }
 429                     case RESET_VALET_PIN: {
 430                         if (command instanceof OnOffType) {
 431                             if (((OnOffType) command) == OnOffType.ON) {
 432                                 resetValetPin();
 433                             }
 434                         }
 435                         break;
 436                     }
 437                     case STEERINGWHEEL_HEATER: {
 438                         if (command instanceof OnOffType) {
 439                             boolean commandBooleanValue = ((OnOffType) command) == OnOffType.ON ? true : false;
 440                             setSteeringWheelHeater(commandBooleanValue);
 441                         }
 442                         break;
 443                     }
 444                     default:
 445                         break;
 446                 }
 447                 return;
 448             } catch (IllegalArgumentException e) {
 449                 logger.warn(
 450                         "An error occurred while trying to set the read-only variable associated with channel '{}' to '{}'",
 451                         channelID, command.toString());
 452             }
 453         }
 454     }
 455
 456     public void sendCommand(String command, String payLoad, WebTarget target) {
 457         if (COMMAND_WAKE_UP.equals(command) || isAwake() || allowWakeUpForCommands) {
 458             Request request = account.newRequest(this, command, payLoad, target, allowWakeUpForCommands);
 459             if (stateThrottler != null) {
 460                 stateThrottler.submit(COMMAND_THROTTLE, request);
 461             }
 462         }
 463     }
 464
 465     public void sendCommand(String command) {
 466         sendCommand(command, "{}");
 467     }
 468
 469     public void sendCommand(String command, String payLoad) {
 470         if (COMMAND_WAKE_UP.equals(command) || isAwake() || allowWakeUpForCommands) {
 471             Request request = account.newRequest(this, command, payLoad, account.commandTarget, allowWakeUpForCommands);
 472             if (stateThrottler != null) {
 473                 stateThrottler.submit(COMMAND_THROTTLE, request);
 474             }
 475         }
 476     }
 477
 478     public void sendCommand(String command, WebTarget target) {
 479         if (COMMAND_WAKE_UP.equals(command) || isAwake() || allowWakeUpForCommands) {
 480             Request request = account.newRequest(this, command, "{}", target, allowWakeUpForCommands);
 481             if (stateThrottler != null) {
 482                 stateThrottler.submit(COMMAND_THROTTLE, request);
 483             }
 484         }
 485     }
 486
 487     public void requestData(String command, String payLoad) {
 488         if (COMMAND_WAKE_UP.equals(command) || isAwake()
 489                 || (!"vehicleData".equals(command) && allowWakeUpForCommands)) {
 490             Request request = account.newRequest(this, command, payLoad, account.dataRequestTarget, false);
 491             if (stateThrottler != null) {
 492                 stateThrottler.submit(DATA_THROTTLE, request);
 493             }
 494         }
 495     }
 496
 497     @Override
 498     protected void updateStatus(ThingStatus status) {
 499         super.updateStatus(status);
 500     }
 501
 502     @Override
 503     protected void updateStatus(ThingStatus status, ThingStatusDetail statusDetail) {
 504         super.updateStatus(status, statusDetail);
 505     }
 506
 507     @Override
 508     protected void updateStatus(ThingStatus status, ThingStatusDetail statusDetail, @Nullable String description) {
 509         super.updateStatus(status, statusDetail, description);
 510     }
 511
 512     public void requestData(String command) {
 513         requestData(command, null);
 514     }
 515
 516     public void queryVehicle(String parameter) {
 517         WebTarget target = account.vehicleTarget.path(parameter);
 518         sendCommand(parameter, null, target);
 519     }
 520
 521     public void requestAllData() {
 522         requestData("vehicleData", null);
 523     }
 524
 525     protected boolean isAwake() {
 526         return vehicle != null && "online".equals(vehicle.state) && vehicle.vehicle_id != null;
 527     }
 528
 529     protected boolean isInMotion() {
 530         if (driveState != null) {
 531             if (driveState.speed != null && driveState.shift_state != null) {
 532                 return !"Undefined".equals(driveState.speed)
 533                         && (!"P".equals(driveState.shift_state) || !"Undefined".equals(driveState.shift_state));
 534             }
 535         }
 536         return false;
 537     }
 538
 539     protected boolean isInactive() {
 540         // vehicle is inactive in case
 541         // - it does not charge
 542         // - it has not moved or optionally stopped reporting drive state, in the observation period
 543         // - it is not in dog, camp, keep, sentry or any other mode that keeps it online
 544         return isInactive && !isCharging() && !notReadyForSleep();
 545     }
 546
 547     protected boolean isCharging() {
 548         return chargeState != null && "Charging".equals(chargeState.charging_state);
 549     }
 550
 551     protected boolean notReadyForSleep() {
 552         boolean status;
 553         int computedInactivityPeriod = inactivity;
 554
 555         if (useAdvancedStates) {
 556             if (vehicleState.is_user_present && !isInMotion()) {
 557                 logger.debug("Car is occupied but stationary.");
 558                 if (lastAdvModesTimestamp < (System.currentTimeMillis()
 559                         - (THRESHOLD_INTERVAL_FOR_ADVANCED_MINUTES * 60 * 1000))) {
 560                     logger.debug("Ignoring after {} minutes.", THRESHOLD_INTERVAL_FOR_ADVANCED_MINUTES);
 561                 } else {
 562                     return (backOffCounter++ % 6 == 0); // using 6 should make sure 1 out of 5 pollers get serviced,
 563                                                         // about every min.
 564                 }
 565             } else if (vehicleState.sentry_mode) {
 566                 logger.debug("Car is in sentry mode.");
 567                 if (lastAdvModesTimestamp < (System.currentTimeMillis()
 568                         - (THRESHOLD_INTERVAL_FOR_ADVANCED_MINUTES * 60 * 1000))) {
 569                     logger.debug("Ignoring after {} minutes.", THRESHOLD_INTERVAL_FOR_ADVANCED_MINUTES);
 570                 } else {
 571                     return (backOffCounter++ % 6 == 0);
 572                 }
 573             } else if ((vehicleState.center_display_state != 0) && (!isInMotion())) {
 574                 logger.debug("Car is in camp, climate keep, dog, or other mode preventing sleep. Mode {}",
 575                         vehicleState.center_display_state);
 576                 return (backOffCounter++ % 6 == 0);
 577             } else {
 578                 lastAdvModesTimestamp = System.currentTimeMillis();
 579             }
 580         }
 581
 582         if (vehicleState != null && vehicleState.homelink_nearby) {
 583             computedInactivityPeriod = MOVE_THRESHOLD_INTERVAL_MINUTES_DEFAULT;
 584             logger.debug("Car is at home. Movement or drive state threshold is {} min.",
 585                     MOVE_THRESHOLD_INTERVAL_MINUTES_DEFAULT);
 586         }
 587
 588         if (useDriveState) {
 589             if (driveState.shift_state != null) {
 590                 logger.debug("Car drive state not null and not ready to sleep.");
 591                 return true;
 592             } else {
 593                 status = lastDriveStateChangeToNullTimestamp > (System.currentTimeMillis()
 594                         - (computedInactivityPeriod * 60 * 1000));
 595                 if (status) {
 596                     logger.debug("Drivestate is null but has changed recently, therefore continuing to poll.");
 597                     return status;
 598                 } else {
 599                     logger.debug("Drivestate has changed to null after interval {} min and can now be put to sleep.",
 600                             computedInactivityPeriod);
 601                     return status;
 602                 }
 603             }
 604         } else {
 605             status = lastLocationChangeTimestamp > (System.currentTimeMillis()
 606                     - (computedInactivityPeriod * 60 * 1000));
 607             if (status) {
 608                 logger.debug("Car has moved recently and can not sleep");
 609                 return status;
 610             } else {
 611                 logger.debug("Car has not moved in {} min, and can sleep", computedInactivityPeriod);
 612                 return status;
 613             }
 614         }
 615     }
 616
 617     protected boolean allowQuery() {
 618         return (isAwake() && !isInactive());
 619     }
 620
 621     protected void setActive() {
 622         isInactive = false;
 623         lastLocationChangeTimestamp = System.currentTimeMillis();
 624         lastDriveStateChangeToNullTimestamp = System.currentTimeMillis();
 625         lastLatitude = 0;
 626         lastLongitude = 0;
 627     }
 628
 629     protected boolean checkResponse(Response response, boolean immediatelyFail) {
 630         if (response != null && response.getStatus() == 200) {
 631             return true;
 632         } else if (response != null && response.getStatus() == 401) {
 633             logger.debug("The access token has expired, trying to get a new one.");
 634             account.authenticate();
 635         } else {
 636             apiIntervalErrors++;
 637             if (immediatelyFail || apiIntervalErrors >= TeslaAccountHandler.API_MAXIMUM_ERRORS_IN_INTERVAL) {
 638                 if (immediatelyFail) {
 639                     logger.warn("Got an unsuccessful result, setting vehicle to offline and will try again");
 640                 } else {
 641                     logger.warn("Reached the maximum number of errors ({}) for the current interval ({} seconds)",
 642                             TeslaAccountHandler.API_MAXIMUM_ERRORS_IN_INTERVAL,
 643                             TeslaAccountHandler.API_ERROR_INTERVAL_SECONDS);
 644                 }
 645
 646                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR);
 647             } else if ((System.currentTimeMillis() - apiIntervalTimestamp) > 1000
 648                     * TeslaAccountHandler.API_ERROR_INTERVAL_SECONDS) {
 649                 logger.trace("Resetting the error counter. ({} errors in the last interval)", apiIntervalErrors);
 650                 apiIntervalTimestamp = System.currentTimeMillis();
 651                 apiIntervalErrors = 0;
 652             }
 653         }
 654
 655         return false;
 656     }
 657
 658     public void setChargeLimit(int percent) {
 659         JsonObject payloadObject = new JsonObject();
 660         payloadObject.addProperty("percent", percent);
 661         sendCommand(COMMAND_SET_CHARGE_LIMIT, gson.toJson(payloadObject), account.commandTarget);
 662     }
 663
 664     public void setChargingAmps(int amps) {
 665         JsonObject payloadObject = new JsonObject();
 666         payloadObject.addProperty("charging_amps", amps);
 667         sendCommand(COMMAND_SET_CHARGING_AMPS, gson.toJson(payloadObject), account.commandTarget);
 668     }
 669
 670     public void setSentryMode(boolean b) {
 671         JsonObject payloadObject = new JsonObject();
 672         payloadObject.addProperty("on", b);
 673         sendCommand(COMMAND_SET_SENTRY_MODE, gson.toJson(payloadObject), account.commandTarget);
 674     }
 675
 676     public void setSunroof(String state) {
 677         if ("vent".equals(state) || "close".equals(state)) {
 678             JsonObject payloadObject = new JsonObject();
 679             payloadObject.addProperty("state", state);
 680             sendCommand(COMMAND_SUN_ROOF, gson.toJson(payloadObject), account.commandTarget);
 681         } else {
 682             logger.warn("Ignoring invalid command '{}' for sunroof.", state);
 683         }
 684     }
 685
 686     /**
 687      * Sets the driver and passenger temperatures.
 688      *
 689      * While setting different temperature values is supported by the API, in practice this does not always work
 690      * reliably, possibly if the the
 691      * only reliable method is to set the driver and passenger temperature to the same value
 692      *
 693      * @param driverTemperature in Celsius
 694      * @param passenegerTemperature in Celsius
 695      */
 696     public void setTemperature(float driverTemperature, float passenegerTemperature) {
 697         JsonObject payloadObject = new JsonObject();
 698         payloadObject.addProperty("driver_temp", driverTemperature);
 699         payloadObject.addProperty("passenger_temp", passenegerTemperature);
 700         sendCommand(COMMAND_SET_TEMP, gson.toJson(payloadObject), account.commandTarget);
 701     }
 702
 703     public void setCombinedTemperature(float temperature) {
 704         setTemperature(temperature, temperature);
 705     }
 706
 707     public void setDriverTemperature(float temperature) {
 708         setTemperature(temperature, climateState != null ? climateState.passenger_temp_setting : temperature);
 709     }
 710
 711     public void setPassengerTemperature(float temperature) {
 712         setTemperature(climateState != null ? climateState.driver_temp_setting : temperature, temperature);
 713     }
 714
 715     public void openFrunk() {
 716         JsonObject payloadObject = new JsonObject();
 717         payloadObject.addProperty("which_trunk", "front");
 718         sendCommand(COMMAND_ACTUATE_TRUNK, gson.toJson(payloadObject), account.commandTarget);
 719     }
 720
 721     public void openTrunk() {
 722         JsonObject payloadObject = new JsonObject();
 723         payloadObject.addProperty("which_trunk", "rear");
 724         sendCommand(COMMAND_ACTUATE_TRUNK, gson.toJson(payloadObject), account.commandTarget);
 725     }
 726
 727     public void closeTrunk() {
 728         openTrunk();
 729     }
 730
 731     public void setValetMode(boolean b, Integer pin) {
 732         JsonObject payloadObject = new JsonObject();
 733         payloadObject.addProperty("on", b);
 734         if (pin != null) {
 735             payloadObject.addProperty("password", String.format("%04d", pin));
 736         }
 737         sendCommand(COMMAND_SET_VALET_MODE, gson.toJson(payloadObject), account.commandTarget);
 738     }
 739
 740     public void resetValetPin() {
 741         sendCommand(COMMAND_RESET_VALET_PIN, account.commandTarget);
 742     }
 743
 744     public void setMaxRangeCharging(boolean b) {
 745         sendCommand(b ? COMMAND_CHARGE_MAX : COMMAND_CHARGE_STD, account.commandTarget);
 746     }
 747
 748     public void charge(boolean b) {
 749         sendCommand(b ? COMMAND_CHARGE_START : COMMAND_CHARGE_STOP, account.commandTarget);
 750     }
 751
 752     public void flashLights() {
 753         sendCommand(COMMAND_FLASH_LIGHTS, account.commandTarget);
 754     }
 755
 756     public void honkHorn() {
 757         sendCommand(COMMAND_HONK_HORN, account.commandTarget);
 758     }
 759
 760     public void openChargePort() {
 761         sendCommand(COMMAND_OPEN_CHARGE_PORT, account.commandTarget);
 762     }
 763
 764     public void lockDoors(boolean b) {
 765         sendCommand(b ? COMMAND_DOOR_LOCK : COMMAND_DOOR_UNLOCK, account.commandTarget);
 766     }
 767
 768     public void autoConditioning(boolean b) {
 769         sendCommand(b ? COMMAND_AUTO_COND_START : COMMAND_AUTO_COND_STOP, account.commandTarget);
 770     }
 771
 772     public void wakeUp() {
 773         sendCommand(COMMAND_WAKE_UP, account.wakeUpTarget);
 774     }
 775
 776     public void setSteeringWheelHeater(boolean isOn) {
 777         JsonObject payloadObject = new JsonObject();
 778         payloadObject.addProperty("on", isOn);
 779         sendCommand(COMMAND_STEERING_WHEEL_HEATER, gson.toJson(payloadObject), account.commandTarget);
 780     }
 781
 782     protected Vehicle queryVehicle() {
 783         String authHeader = account.getAuthHeader();
 784
 785         if (authHeader != null) {
 786             try {
 787                 // get a list of vehicles
 788                 synchronized (account.vehiclesTarget) {
 789                     Response response = account.vehiclesTarget.request(MediaType.APPLICATION_JSON_TYPE)
 790                             .header("Authorization", authHeader).get();
 791
 792                     logger.debug("Querying the vehicle, response : {}, {}", response.getStatus(),
 793                             response.getStatusInfo().getReasonPhrase());
 794
 795                     if (!checkResponse(response, true)) {
 796                         logger.debug("An error occurred while querying the vehicle");
 797                         return null;
 798                     }
 799
 800                     JsonObject jsonObject = JsonParser.parseString(response.readEntity(String.class)).getAsJsonObject();
 801                     Vehicle[] vehicleArray = gson.fromJson(jsonObject.getAsJsonArray("response"), Vehicle[].class);
 802
 803                     for (Vehicle vehicle : vehicleArray) {
 804                         logger.debug("Querying the vehicle: VIN {}", vehicle.vin);
 805                         if (vehicle.vin.equals(getConfig().get(VIN))) {
 806                             vehicleJSON = gson.toJson(vehicle);
 807                             parseAndUpdate("queryVehicle", null, vehicleJSON);
 808                             if (logger.isTraceEnabled()) {
 809                                 logger.trace("Vehicle is id {}/vehicle_id {}/tokens {}", vehicle.id, vehicle.vehicle_id,
 810                                         vehicle.tokens);
 811                             }
 812                             return vehicle;
 813                         }
 814                     }
 815
 816                 }
 817             } catch (ProcessingException e) {
 818                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR, e.getMessage());
 819             }
 820         }
 821         return null;
 822     }
 823
 824     protected void queryVehicleAndUpdate() {
 825         vehicle = queryVehicle();
 826     }
 827
 828     public void parseAndUpdate(String request, String payLoad, String result) {
 829         final double locationThreshold = .0000001;
 830
 831         try {
 832             if (request != null && result != null && !"null".equals(result)) {
 833                 updateStatus(ThingStatus.ONLINE);
 834                 // first, update state objects
 835                 if ("queryVehicle".equals(request)) {
 836                     if (vehicle != null) {
 837                         logger.debug("Vehicle state is {}", vehicle.state);
 838                         updateState(TeslaChannelSelector.STATE.getChannelID(), new StringType(vehicle.state));
 839                     } else {
 840                         logger.debug("Vehicle state is initializing or unknown");
 841                         return;
 842                     }
 843
 844                     if (vehicle != null && "asleep".equals(vehicle.state)) {
 845                         logger.debug("Vehicle is asleep.");
 846                         return;
 847                     }
 848
 849                     if (vehicle != null && !lastState.equals(vehicle.state)) {
 850                         lastState = vehicle.state;
 851
 852                         // in case vehicle changed to awake, refresh all data
 853                         if (isAwake()) {
 854                             logger.debug("Vehicle is now awake, updating all data");
 855                             lastLocationChangeTimestamp = System.currentTimeMillis();
 856                             lastDriveStateChangeToNullTimestamp = System.currentTimeMillis();
 857                             requestAllData();
 858                         }
 859
 860                         setActive();
 861                     }
 862
 863                     // reset timestamp if elapsed and set inactive to false
 864                     if (isInactive && lastStateTimestamp + (API_SLEEP_INTERVAL_MINUTES * 60 * 1000) < System
 865                             .currentTimeMillis()) {
 866                         logger.debug("Vehicle did not fall asleep within sleep period, checking again");
 867                         setActive();
 868                     } else {
 869                         boolean wasInactive = isInactive;
 870                         isInactive = !isCharging() && !notReadyForSleep();
 871
 872                         if (!wasInactive && isInactive) {
 873                             lastStateTimestamp = System.currentTimeMillis();
 874                             logger.debug("Vehicle is inactive");
 875                         }
 876                     }
 877                 } else if ("vehicleData".equals(request)) {
 878                     VehicleData vehicleData = gson.fromJson(result, VehicleData.class);
 879                     if (vehicleData == null) {
 880                         logger.error("Not able to parse response '{}'", result);
 881                         return;
 882                     }
 883
 884                     driveState = vehicleData.drive_state;
 885                     if (Math.abs(lastLatitude - driveState.latitude) > locationThreshold
 886                             || Math.abs(lastLongitude - driveState.longitude) > locationThreshold) {
 887                         logger.debug("Vehicle moved, resetting last location timestamp");
 888
 889                         lastLatitude = driveState.latitude;
 890                         lastLongitude = driveState.longitude;
 891                         lastLocationChangeTimestamp = System.currentTimeMillis();
 892                     }
 893                     logger.trace("Drive state: {}", driveState.shift_state);
 894
 895                     if ((driveState.shift_state == null) && (lastValidDriveStateNotNull)) {
 896                         logger.debug("Set NULL shiftstate time");
 897                         lastValidDriveStateNotNull = false;
 898                         lastDriveStateChangeToNullTimestamp = System.currentTimeMillis();
 899                     } else if (driveState.shift_state != null) {
 900                         logger.trace("Clear NULL shiftstate time");
 901                         lastValidDriveStateNotNull = true;
 902                     }
 903
 904                     guiState = vehicleData.gui_settings;
 905
 906                     vehicleState = vehicleData.vehicle_state;
 907
 908                     chargeState = vehicleData.charge_state;
 909                     if (isCharging()) {
 910                         updateState(CHANNEL_CHARGE, OnOffType.ON);
 911                     } else {
 912                         updateState(CHANNEL_CHARGE, OnOffType.OFF);
 913                     }
 914
 915                     climateState = vehicleData.climate_state;
 916                     BigDecimal avgtemp = roundBigDecimal(new BigDecimal(
 917                             (climateState.driver_temp_setting + climateState.passenger_temp_setting) / 2.0f));
 918                     updateState(CHANNEL_COMBINED_TEMP, new QuantityType<>(avgtemp, SIUnits.CELSIUS));
 919
 920                     try {
 921                         lock.lock();
 922
 923                         Set<Map.Entry<String, JsonElement>> entrySet = new HashSet<>();
 924
 925                         entrySet.addAll(gson.toJsonTree(driveState, DriveState.class).getAsJsonObject().entrySet());
 926                         entrySet.addAll(gson.toJsonTree(guiState, GUIState.class).getAsJsonObject().entrySet());
 927                         entrySet.addAll(gson.toJsonTree(vehicleState, VehicleState.class).getAsJsonObject().entrySet());
 928                         entrySet.addAll(gson.toJsonTree(chargeState, ChargeState.class).getAsJsonObject().entrySet());
 929                         entrySet.addAll(gson.toJsonTree(climateState, ClimateState.class).getAsJsonObject().entrySet());
 930
 931                         for (Map.Entry<String, JsonElement> entry : entrySet) {
 932                             try {
 933                                 TeslaChannelSelector selector = TeslaChannelSelector
 934                                         .getValueSelectorFromRESTID(entry.getKey());
 935                                 if (!selector.isProperty()) {
 936                                     if (!entry.getValue().isJsonNull()) {
 937                                         updateState(selector.getChannelID(), teslaChannelSelectorProxy
 938                                                 .getState(entry.getValue().getAsString(), selector, editProperties()));
 939                                         if (logger.isTraceEnabled()) {
 940                                             logger.trace("The variable/value pair '{}':'{}' is successfully processed",
 941                                                     entry.getKey(), entry.getValue());
 942                                         }
 943                                     } else {
 944                                         updateState(selector.getChannelID(), UnDefType.UNDEF);
 945                                     }
 946                                 } else if (!entry.getValue().isJsonNull()) {
 947                                     Map<String, String> properties = editProperties();
 948                                     properties.put(selector.getChannelID(), entry.getValue().getAsString());
 949                                     updateProperties(properties);
 950                                     if (logger.isTraceEnabled()) {
 951                                         logger.trace(
 952                                                 "The variable/value pair '{}':'{}' is successfully used to set property '{}'",
 953                                                 entry.getKey(), entry.getValue(), selector.getChannelID());
 954                                     }
 955                                 }
 956                             } catch (IllegalArgumentException e) {
 957                                 logger.trace("The variable/value pair '{}':'{}' is not (yet) supported", entry.getKey(),
 958                                         entry.getValue());
 959                             } catch (ClassCastException | IllegalStateException e) {
 960                                 logger.trace("An exception occurred while converting the JSON data : '{}'",
 961                                         e.getMessage(), e);
 962                             }
 963                         }
 964                     } finally {
 965                         lock.unlock();
 966                     }
 967                 }
 968             }
 969         } catch (Exception p) {
 970             logger.error("An exception occurred while parsing data received from the vehicle: '{}'", p.getMessage());
 971         }
 972     }
 973
 974     @SuppressWarnings("unchecked")
 975     protected QuantityType<Temperature> commandToQuantityType(Command command) {
 976         if (command instanceof QuantityType) {
 977             return ((QuantityType<Temperature>) command).toUnit(SIUnits.CELSIUS);
 978         }
 979         return new QuantityType<>(new BigDecimal(command.toString()), SIUnits.CELSIUS);
 980     }
 981
 982     protected float quanityToRoundedFloat(QuantityType<Temperature> quantity) {
 983         return roundBigDecimal(quantity.toBigDecimal()).floatValue();
 984     }
 985
 986     protected BigDecimal roundBigDecimal(BigDecimal value) {
 987         return value.setScale(1, RoundingMode.HALF_EVEN);
 988     }
 989
 990     protected Runnable stateRunnable = () -> {
 991         try {
 992             queryVehicleAndUpdate();
 993             boolean allowQuery = allowQuery();
 994
 995             if (allowQuery) {
 996                 requestAllData();
 997             } else if (allowWakeUp) {
 998                 wakeUp();
 999             } else if (isAwake()) {
1000                 logger.debug("Throttled state polling to allow sleep, occupied/idle, or in a console mode");
1001             } else {
1002                 lastAdvModesTimestamp = System.currentTimeMillis();
1003             }
1004         } catch (Exception e) {
1005             logger.warn("Exception occurred in stateRunnable", e);
1006         }
1007     };
1008
1009     protected Runnable eventRunnable = new Runnable() {
1010         TeslaEventEndpoint eventEndpoint;
1011         boolean isAuthenticated = false;
1012         long lastPingTimestamp = 0;
1013
1014         @Override
1015         public void run() {
1016             eventEndpoint = new TeslaEventEndpoint(getThing().getUID(), webSocketFactory);
1017             eventEndpoint.addEventHandler(new TeslaEventEndpoint.EventHandler() {
1018                 @Override
1019                 public void handleEvent(Event event) {
1020                     if (event != null) {
1021                         switch (event.msg_type) {
1022                             case "control:hello":
1023                                 logger.debug("Event : Received hello");
1024                                 break;
1025                             case "data:update":
1026                                 logger.debug("Event : Received an update: '{}'", event.value);
1027
1028                                 String vals[] = event.value.split(",");
1029                                 long currentTimeStamp = Long.parseLong(vals[0]);
1030                                 long systemTimeStamp = System.currentTimeMillis();
1031                                 if (logger.isDebugEnabled()) {
1032                                     SimpleDateFormat dateFormatter = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS");
1033                                     logger.debug("STS {} CTS {} Delta {}",
1034                                             dateFormatter.format(new Date(systemTimeStamp)),
1035                                             dateFormatter.format(new Date(currentTimeStamp)),
1036                                             systemTimeStamp - currentTimeStamp);
1037                                 }
1038                                 if (systemTimeStamp - currentTimeStamp < EVENT_TIMESTAMP_AGE_LIMIT) {
1039                                     if (currentTimeStamp > lastTimeStamp) {
1040                                         lastTimeStamp = Long.parseLong(vals[0]);
1041                                         if (logger.isDebugEnabled()) {
1042                                             SimpleDateFormat dateFormatter = new SimpleDateFormat(
1043                                                     "yyyy-MM-dd'T'HH:mm:ss.SSS");
1044                                             logger.debug("Event : Event stamp is {}",
1045                                                     dateFormatter.format(new Date(lastTimeStamp)));
1046                                         }
1047                                         for (int i = 0; i < EventKeys.values().length; i++) {
1048                                             TeslaChannelSelector selector = TeslaChannelSelector
1049                                                     .getValueSelectorFromRESTID((EventKeys.values()[i]).toString());
1050
1051                                             if (!selector.isProperty()) {
1052                                                 State newState = teslaChannelSelectorProxy.getState(vals[i], selector,
1053                                                         editProperties());
1054                                                 if (newState != null && !"".equals(vals[i])) {
1055                                                     updateState(selector.getChannelID(), newState);
1056                                                 } else {
1057                                                     updateState(selector.getChannelID(), UnDefType.UNDEF);
1058                                                 }
1059                                                 if (logger.isTraceEnabled()) {
1060                                                     logger.trace(
1061                                                             "The variable/value pair '{}':'{}' is successfully processed",
1062                                                             EventKeys.values()[i], vals[i]);
1063                                                 }
1064                                             } else {
1065                                                 Map<String, String> properties = editProperties();
1066                                                 properties.put(selector.getChannelID(),
1067                                                         (selector.getState(vals[i])).toString());
1068                                                 updateProperties(properties);
1069                                                 if (logger.isTraceEnabled()) {
1070                                                     logger.trace(
1071                                                             "The variable/value pair '{}':'{}' is successfully used to set property '{}'",
1072                                                             EventKeys.values()[i], vals[i], selector.getChannelID());
1073                                                 }
1074                                             }
1075                                         }
1076                                     } else if (logger.isDebugEnabled()) {
1077                                         SimpleDateFormat dateFormatter = new SimpleDateFormat(
1078                                                 "yyyy-MM-dd'T'HH:mm:ss.SSS");
1079                                         logger.debug(
1080                                                 "Event : Discarding an event with an out of sync timestamp {} (last is {})",
1081                                                 dateFormatter.format(new Date(currentTimeStamp)),
1082                                                 dateFormatter.format(new Date(lastTimeStamp)));
1083                                     }
1084                                 } else {
1085                                     if (logger.isDebugEnabled()) {
1086                                         SimpleDateFormat dateFormatter = new SimpleDateFormat(
1087                                                 "yyyy-MM-dd'T'HH:mm:ss.SSS");
1088                                         logger.debug(
1089                                                 "Event : Discarding an event that differs {} ms from the system time: {} (system is {})",
1090                                                 systemTimeStamp - currentTimeStamp,
1091                                                 dateFormatter.format(currentTimeStamp),
1092                                                 dateFormatter.format(systemTimeStamp));
1093                                     }
1094                                     if (systemTimeStamp - currentTimeStamp > EVENT_TIMESTAMP_MAX_DELTA) {
1095                                         logger.trace("Event : The event endpoint will be reset");
1096                                         eventEndpoint.closeConnection();
1097                                     }
1098                                 }
1099                                 break;
1100                             case "data:error":
1101                                 logger.debug("Event : Received an error: '{}'/'{}'", event.value, event.error_type);
1102                                 eventEndpoint.closeConnection();
1103                                 break;
1104                         }
1105                     }
1106                 }
1107             });
1108
1109             while (true) {
1110                 try {
1111                     if (getThing().getStatus() == ThingStatus.ONLINE) {
1112                         if (isAwake()) {
1113                             eventEndpoint.connect(new URI(URI_EVENT));
1114
1115                             if (eventEndpoint.isConnected()) {
1116                                 if (!isAuthenticated) {
1117                                     logger.debug("Event : Authenticating vehicle {}", vehicle.vehicle_id);
1118                                     JsonObject payloadObject = new JsonObject();
1119                                     payloadObject.addProperty("msg_type", "data:subscribe_oauth");
1120                                     payloadObject.addProperty("token", account.getAccessToken());
1121                                     payloadObject.addProperty("value", Arrays.asList(EventKeys.values()).stream()
1122                                             .skip(1).map(Enum::toString).collect(Collectors.joining(",")));
1123                                     payloadObject.addProperty("tag", vehicle.vehicle_id);
1124
1125                                     eventEndpoint.sendMessage(gson.toJson(payloadObject));
1126                                     isAuthenticated = true;
1127
1128                                     lastPingTimestamp = System.nanoTime();
1129                                 }
1130
1131                                 if (TimeUnit.MILLISECONDS.convert(System.nanoTime() - lastPingTimestamp,
1132                                         TimeUnit.NANOSECONDS) > EVENT_PING_INTERVAL) {
1133                                     logger.trace("Event : Pinging the Tesla event stream infrastructure");
1134                                     eventEndpoint.ping();
1135                                     lastPingTimestamp = System.nanoTime();
1136                                 }
1137                             }
1138
1139                             if (!eventEndpoint.isConnected()) {
1140                                 isAuthenticated = false;
1141                                 eventIntervalErrors++;
1142                                 if (eventIntervalErrors >= EVENT_MAXIMUM_ERRORS_IN_INTERVAL) {
1143                                     logger.warn(
1144                                             "Event : Reached the maximum number of errors ({}) for the current interval ({} seconds)",
1145                                             EVENT_MAXIMUM_ERRORS_IN_INTERVAL, EVENT_ERROR_INTERVAL_SECONDS);
1146                                     updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR);
1147                                     eventEndpoint.closeConnection();
1148                                 }
1149
1150                                 if ((System.currentTimeMillis() - eventIntervalTimestamp) > 1000
1151                                         * EVENT_ERROR_INTERVAL_SECONDS) {
1152                                     logger.trace(
1153                                             "Event : Resetting the error counter. ({} errors in the last interval)",
1154                                             eventIntervalErrors);
1155                                     eventIntervalTimestamp = System.currentTimeMillis();
1156                                     eventIntervalErrors = 0;
1157                                 }
1158                             }
1159                         } else {
1160                             logger.debug("Event : The vehicle is not awake");
1161                             if (vehicle != null) {
1162                                 if (allowWakeUp) {
1163                                     // wake up the vehicle until streaming token <> 0
1164                                     logger.debug("Event : Waking up the vehicle");
1165                                     wakeUp();
1166                                 }
1167                             } else {
1168                                 vehicle = queryVehicle();
1169                             }
1170                         }
1171                     }
1172                 } catch (URISyntaxException | NumberFormatException | IOException e) {
1173                     logger.debug("Event : An exception occurred while processing events: '{}'", e.getMessage());
1174                 }
1175
1176                 try {
1177                     Thread.sleep(EVENT_STREAM_PAUSE);
1178                 } catch (InterruptedException e) {
1179                     logger.debug("Event : An exception occurred while putting the event thread to sleep: '{}'",
1180                             e.getMessage());
1181                 }
1182
1183                 if (Thread.interrupted()) {
1184                     logger.debug("Event : The event thread was interrupted");
1185                     eventEndpoint.close();
1186                     return;
1187                 }
1188             }
1189         }
1190     };
1191 }