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   1 /**
   2  * Copyright (c) 2010-2022 Contributors to the openHAB project
   3  *
   4  * See the NOTICE file(s) distributed with this work for additional
   5  * information.
   6  *
   7  * This program and the accompanying materials are made available under the
   8  * terms of the Eclipse Public License 2.0 which is available at
   9  * http://www.eclipse.org/legal/epl-2.0
  10  *
  11  * SPDX-License-Identifier: EPL-2.0
  12  */
  13 package org.openhab.binding.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.Map;
  27 import java.util.Set;
  28 import java.util.concurrent.ScheduledFuture;
  29 import java.util.concurrent.TimeUnit;
  30 import java.util.concurrent.locks.ReentrantLock;
  31 import java.util.stream.Collectors;
  32
  33 import javax.measure.quantity.Temperature;
  34 import javax.ws.rs.ProcessingException;
  35 import javax.ws.rs.client.WebTarget;
  36 import javax.ws.rs.core.MediaType;
  37 import javax.ws.rs.core.Response;
  38
  39 import org.eclipse.jdt.annotation.Nullable;
  40 import org.openhab.binding.tesla.internal.TeslaBindingConstants;
  41 import org.openhab.binding.tesla.internal.TeslaBindingConstants.EventKeys;
  42 import org.openhab.binding.tesla.internal.TeslaChannelSelectorProxy;
  43 import org.openhab.binding.tesla.internal.TeslaChannelSelectorProxy.TeslaChannelSelector;
  44 import org.openhab.binding.tesla.internal.handler.TeslaAccountHandler.Request;
  45 import org.openhab.binding.tesla.internal.protocol.ChargeState;
  46 import org.openhab.binding.tesla.internal.protocol.ClimateState;
  47 import org.openhab.binding.tesla.internal.protocol.DriveState;
  48 import org.openhab.binding.tesla.internal.protocol.Event;
  49 import org.openhab.binding.tesla.internal.protocol.GUIState;
  50 import org.openhab.binding.tesla.internal.protocol.Vehicle;
  51 import org.openhab.binding.tesla.internal.protocol.VehicleState;
  52 import org.openhab.binding.tesla.internal.throttler.QueueChannelThrottler;
  53 import org.openhab.binding.tesla.internal.throttler.Rate;
  54 import org.openhab.core.io.net.http.WebSocketFactory;
  55 import org.openhab.core.library.types.DecimalType;
  56 import org.openhab.core.library.types.IncreaseDecreaseType;
  57 import org.openhab.core.library.types.OnOffType;
  58 import org.openhab.core.library.types.PercentType;
  59 import org.openhab.core.library.types.QuantityType;
  60 import org.openhab.core.library.types.StringType;
  61 import org.openhab.core.library.unit.SIUnits;
  62 import org.openhab.core.library.unit.Units;
  63 import org.openhab.core.thing.ChannelUID;
  64 import org.openhab.core.thing.Thing;
  65 import org.openhab.core.thing.ThingStatus;
  66 import org.openhab.core.thing.ThingStatusDetail;
  67 import org.openhab.core.thing.binding.BaseThingHandler;
  68 import org.openhab.core.types.Command;
  69 import org.openhab.core.types.RefreshType;
  70 import org.openhab.core.types.State;
  71 import org.openhab.core.types.UnDefType;
  72 import org.slf4j.Logger;
  73 import org.slf4j.LoggerFactory;
  74
  75 import com.google.gson.Gson;
  76 import com.google.gson.JsonElement;
  77 import com.google.gson.JsonObject;
  78 import com.google.gson.JsonParser;
  79
  80 /**
  81  * The {@link TeslaVehicleHandler} is responsible for handling commands, which are sent
  82  * to one of the channels of a specific vehicle.
  83  *
  84  * @author Karel Goderis - Initial contribution
  85  * @author Kai Kreuzer - Refactored to use separate account handler and improved configuration options
  86  */
  87 public class TeslaVehicleHandler extends BaseThingHandler {
  88
  89     private static final int FAST_STATUS_REFRESH_INTERVAL = 15000;
  90     private static final int SLOW_STATUS_REFRESH_INTERVAL = 60000;
  91     private static final int API_SLEEP_INTERVAL_MINUTES = 20;
  92     private static final int MOVE_THRESHOLD_INTERVAL_MINUTES_DEFAULT = 5;
  93     private static final int THRESHOLD_INTERVAL_FOR_ADVANCED_MINUTES = 60;
  94     private static final int EVENT_MAXIMUM_ERRORS_IN_INTERVAL = 10;
  95     private static final int EVENT_ERROR_INTERVAL_SECONDS = 15;
  96     private static final int EVENT_STREAM_PAUSE = 3000;
  97     private static final int EVENT_TIMESTAMP_AGE_LIMIT = 3000;
  98     private static final int EVENT_TIMESTAMP_MAX_DELTA = 10000;
  99     private static final int EVENT_PING_INTERVAL = 10000;
 100
 101     private final Logger logger = LoggerFactory.getLogger(TeslaVehicleHandler.class);
 102
 103     // Vehicle state variables
 104     protected Vehicle vehicle;
 105     protected String vehicleJSON;
 106     protected DriveState driveState;
 107     protected GUIState guiState;
 108     protected VehicleState vehicleState;
 109     protected ChargeState chargeState;
 110     protected ClimateState climateState;
 111
 112     protected boolean allowWakeUp;
 113     protected boolean allowWakeUpForCommands;
 114     protected boolean enableEvents = false;
 115     protected boolean useDriveState = false;
 116     protected boolean useAdvancedStates = false;
 117     protected boolean lastValidDriveStateNotNull = true;
 118
 119     protected long lastTimeStamp;
 120     protected long apiIntervalTimestamp;
 121     protected int apiIntervalErrors;
 122     protected long eventIntervalTimestamp;
 123     protected int eventIntervalErrors;
 124     protected int inactivity = MOVE_THRESHOLD_INTERVAL_MINUTES_DEFAULT;
 125     protected ReentrantLock lock;
 126
 127     protected double lastLongitude;
 128     protected double lastLatitude;
 129     protected long lastLocationChangeTimestamp;
 130     protected long lastDriveStateChangeToNullTimestamp;
 131     protected long lastAdvModesTimestamp = System.currentTimeMillis();
 132     protected long lastStateTimestamp = System.currentTimeMillis();
 133     protected int backOffCounter = 0;
 134
 135     protected String lastState = "";
 136     protected boolean isInactive = false;
 137
 138     protected TeslaAccountHandler account;
 139
 140     protected QueueChannelThrottler stateThrottler;
 141     protected TeslaChannelSelectorProxy teslaChannelSelectorProxy = new TeslaChannelSelectorProxy();
 142     protected Thread eventThread;
 143     protected ScheduledFuture<?> fastStateJob;
 144     protected ScheduledFuture<?> slowStateJob;
 145     protected WebSocketFactory webSocketFactory;
 146
 147     private final Gson gson = new Gson();
 148
 149     public TeslaVehicleHandler(Thing thing, WebSocketFactory webSocketFactory) {
 150         super(thing);
 151         this.webSocketFactory = webSocketFactory;
 152     }
 153
 154     @SuppressWarnings("null")
 155     @Override
 156     public void initialize() {
 157         logger.trace("Initializing the Tesla handler for {}", getThing().getUID());
 158         updateStatus(ThingStatus.UNKNOWN);
 159         allowWakeUp = (boolean) getConfig().get(TeslaBindingConstants.CONFIG_ALLOWWAKEUP);
 160         allowWakeUpForCommands = (boolean) getConfig().get(TeslaBindingConstants.CONFIG_ALLOWWAKEUPFORCOMMANDS);
 161         enableEvents = (boolean) getConfig().get(TeslaBindingConstants.CONFIG_ENABLEEVENTS);
 162         Number inactivityParam = (Number) getConfig().get(TeslaBindingConstants.CONFIG_INACTIVITY);
 163         inactivity = inactivityParam == null ? MOVE_THRESHOLD_INTERVAL_MINUTES_DEFAULT : inactivityParam.intValue();
 164         Boolean useDriveStateParam = (boolean) getConfig().get(TeslaBindingConstants.CONFIG_USEDRIVESTATE);
 165         useDriveState = useDriveStateParam == null ? false : useDriveStateParam;
 166         Boolean useAdvancedStatesParam = (boolean) getConfig().get(TeslaBindingConstants.CONFIG_USEDADVANCEDSTATES);
 167         useAdvancedStates = useAdvancedStatesParam == null ? false : useAdvancedStatesParam;
 168
 169         account = (TeslaAccountHandler) getBridge().getHandler();
 170         lock = new ReentrantLock();
 171         scheduler.execute(() -> queryVehicleAndUpdate());
 172
 173         lock.lock();
 174         try {
 175             Map<Object, Rate> channels = new HashMap<>();
 176             channels.put(DATA_THROTTLE, new Rate(1, 1, TimeUnit.SECONDS));
 177             channels.put(COMMAND_THROTTLE, new Rate(20, 1, TimeUnit.MINUTES));
 178
 179             Rate firstRate = new Rate(20, 1, TimeUnit.MINUTES);
 180             Rate secondRate = new Rate(200, 10, TimeUnit.MINUTES);
 181             stateThrottler = new QueueChannelThrottler(firstRate, scheduler, channels);
 182             stateThrottler.addRate(secondRate);
 183
 184             if (fastStateJob == null || fastStateJob.isCancelled()) {
 185                 fastStateJob = scheduler.scheduleWithFixedDelay(fastStateRunnable, 0, FAST_STATUS_REFRESH_INTERVAL,
 186                         TimeUnit.MILLISECONDS);
 187             }
 188
 189             if (slowStateJob == null || slowStateJob.isCancelled()) {
 190                 slowStateJob = scheduler.scheduleWithFixedDelay(slowStateRunnable, 0, SLOW_STATUS_REFRESH_INTERVAL,
 191                         TimeUnit.MILLISECONDS);
 192             }
 193
 194             if (enableEvents) {
 195                 if (eventThread == null) {
 196                     eventThread = new Thread(eventRunnable, "openHAB-Tesla-Events-" + getThing().getUID());
 197                     eventThread.start();
 198                 }
 199             }
 200
 201         } finally {
 202             lock.unlock();
 203         }
 204     }
 205
 206     @Override
 207     public void dispose() {
 208         logger.trace("Disposing the Tesla handler for {}", getThing().getUID());
 209         lock.lock();
 210         try {
 211             if (fastStateJob != null && !fastStateJob.isCancelled()) {
 212                 fastStateJob.cancel(true);
 213                 fastStateJob = null;
 214             }
 215
 216             if (slowStateJob != null && !slowStateJob.isCancelled()) {
 217                 slowStateJob.cancel(true);
 218                 slowStateJob = null;
 219             }
 220
 221             if (eventThread != null && !eventThread.isInterrupted()) {
 222                 eventThread.interrupt();
 223                 eventThread = null;
 224             }
 225         } finally {
 226             lock.unlock();
 227         }
 228     }
 229
 230     /**
 231      * Retrieves the unique vehicle id this handler is associated with
 232      *
 233      * @return the vehicle id
 234      */
 235     public String getVehicleId() {
 236         if (vehicle != null) {
 237             return vehicle.id;
 238         } else {
 239             return null;
 240         }
 241     }
 242
 243     @Override
 244     public void handleCommand(ChannelUID channelUID, Command command) {
 245         logger.debug("handleCommand {} {}", channelUID, command);
 246         String channelID = channelUID.getId();
 247         TeslaChannelSelector selector = TeslaChannelSelector.getValueSelectorFromChannelID(channelID);
 248
 249         if (command instanceof RefreshType) {
 250             if (!isAwake()) {
 251                 logger.debug("Waking vehicle to refresh all data");
 252                 wakeUp();
 253             }
 254
 255             setActive();
 256
 257             // Request the state of all known variables. This is sub-optimal, but the requests get scheduled and
 258             // throttled so we are safe not to break the Tesla SLA
 259             requestAllData();
 260         } else {
 261             if (selector != null) {
 262                 if (!isAwake() && allowWakeUpForCommands) {
 263                     logger.debug("Waking vehicle to send command.");
 264                     wakeUp();
 265                     setActive();
 266                 }
 267                 try {
 268                     switch (selector) {
 269                         case CHARGE_LIMIT_SOC: {
 270                             if (command instanceof PercentType) {
 271                                 setChargeLimit(((PercentType) command).intValue());
 272                             } else if (command instanceof OnOffType && command == OnOffType.ON) {
 273                                 setChargeLimit(100);
 274                             } else if (command instanceof OnOffType && command == OnOffType.OFF) {
 275                                 setChargeLimit(0);
 276                             } else if (command instanceof IncreaseDecreaseType
 277                                     && command == IncreaseDecreaseType.INCREASE) {
 278                                 setChargeLimit(Math.min(chargeState.charge_limit_soc + 1, 100));
 279                             } else if (command instanceof IncreaseDecreaseType
 280                                     && command == IncreaseDecreaseType.DECREASE) {
 281                                 setChargeLimit(Math.max(chargeState.charge_limit_soc - 1, 0));
 282                             }
 283                             break;
 284                         }
 285                         case CHARGE_AMPS:
 286                             Integer amps = null;
 287                             if (command instanceof DecimalType) {
 288                                 amps = ((DecimalType) command).intValue();
 289                             }
 290                             if (command instanceof QuantityType<?>) {
 291                                 QuantityType<?> qamps = ((QuantityType<?>) command).toUnit(Units.AMPERE);
 292                                 if (qamps != null) {
 293                                     amps = qamps.intValue();
 294                                 }
 295                             }
 296                             if (amps != null) {
 297                                 if (amps < 5 || amps > 32) {
 298                                     logger.warn("Charging amps can only be set in a range of 5-32A, but not to {}A.",
 299                                             amps);
 300                                     return;
 301                                 }
 302                                 setChargingAmps(amps);
 303                             }
 304                             break;
 305                         case COMBINED_TEMP: {
 306                             QuantityType<Temperature> quantity = commandToQuantityType(command);
 307                             if (quantity != null) {
 308                                 setCombinedTemperature(quanityToRoundedFloat(quantity));
 309                             }
 310                             break;
 311                         }
 312                         case DRIVER_TEMP: {
 313                             QuantityType<Temperature> quantity = commandToQuantityType(command);
 314                             if (quantity != null) {
 315                                 setDriverTemperature(quanityToRoundedFloat(quantity));
 316                             }
 317                             break;
 318                         }
 319                         case PASSENGER_TEMP: {
 320                             QuantityType<Temperature> quantity = commandToQuantityType(command);
 321                             if (quantity != null) {
 322                                 setPassengerTemperature(quanityToRoundedFloat(quantity));
 323                             }
 324                             break;
 325                         }
 326                         case SENTRY_MODE: {
 327                             if (command instanceof OnOffType) {
 328                                 setSentryMode(command == OnOffType.ON);
 329                             }
 330                             break;
 331                         }
 332                         case SUN_ROOF_STATE: {
 333                             if (command instanceof StringType) {
 334                                 setSunroof(command.toString());
 335                             }
 336                             break;
 337                         }
 338                         case CHARGE_TO_MAX: {
 339                             if (command instanceof OnOffType) {
 340                                 if (((OnOffType) command) == OnOffType.ON) {
 341                                     setMaxRangeCharging(true);
 342                                 } else {
 343                                     setMaxRangeCharging(false);
 344                                 }
 345                             }
 346                             break;
 347                         }
 348                         case CHARGE: {
 349                             if (command instanceof OnOffType) {
 350                                 if (((OnOffType) command) == OnOffType.ON) {
 351                                     charge(true);
 352                                 } else {
 353                                     charge(false);
 354                                 }
 355                             }
 356                             break;
 357                         }
 358                         case FLASH: {
 359                             if (command instanceof OnOffType) {
 360                                 if (((OnOffType) command) == OnOffType.ON) {
 361                                     flashLights();
 362                                 }
 363                             }
 364                             break;
 365                         }
 366                         case HONK_HORN: {
 367                             if (command instanceof OnOffType) {
 368                                 if (((OnOffType) command) == OnOffType.ON) {
 369                                     honkHorn();
 370                                 }
 371                             }
 372                             break;
 373                         }
 374                         case CHARGEPORT: {
 375                             if (command instanceof OnOffType) {
 376                                 if (((OnOffType) command) == OnOffType.ON) {
 377                                     openChargePort();
 378                                 }
 379                             }
 380                             break;
 381                         }
 382                         case DOOR_LOCK: {
 383                             if (command instanceof OnOffType) {
 384                                 if (((OnOffType) command) == OnOffType.ON) {
 385                                     lockDoors(true);
 386                                 } else {
 387                                     lockDoors(false);
 388                                 }
 389                             }
 390                             break;
 391                         }
 392                         case AUTO_COND: {
 393                             if (command instanceof OnOffType) {
 394                                 if (((OnOffType) command) == OnOffType.ON) {
 395                                     autoConditioning(true);
 396                                 } else {
 397                                     autoConditioning(false);
 398                                 }
 399                             }
 400                             break;
 401                         }
 402                         case WAKEUP: {
 403                             if (command instanceof OnOffType) {
 404                                 if (((OnOffType) command) == OnOffType.ON) {
 405                                     wakeUp();
 406                                 }
 407                             }
 408                             break;
 409                         }
 410                         case FT: {
 411                             if (command instanceof OnOffType) {
 412                                 if (((OnOffType) command) == OnOffType.ON) {
 413                                     openFrunk();
 414                                 }
 415                             }
 416                             break;
 417                         }
 418                         case RT: {
 419                             if (command instanceof OnOffType) {
 420                                 if (((OnOffType) command) == OnOffType.ON) {
 421                                     if (vehicleState.rt == 0) {
 422                                         openTrunk();
 423                                     }
 424                                 } else {
 425                                     if (vehicleState.rt == 1) {
 426                                         closeTrunk();
 427                                     }
 428                                 }
 429                             }
 430                             break;
 431                         }
 432                         case VALET_MODE: {
 433                             if (command instanceof OnOffType) {
 434                                 int valetpin = ((BigDecimal) getConfig().get(VALETPIN)).intValue();
 435                                 if (((OnOffType) command) == OnOffType.ON) {
 436                                     setValetMode(true, valetpin);
 437                                 } else {
 438                                     setValetMode(false, valetpin);
 439                                 }
 440                             }
 441                             break;
 442                         }
 443                         case RESET_VALET_PIN: {
 444                             if (command instanceof OnOffType) {
 445                                 if (((OnOffType) command) == OnOffType.ON) {
 446                                     resetValetPin();
 447                                 }
 448                             }
 449                             break;
 450                         }
 451                         case STEERINGWHEEL_HEATER: {
 452                             if (command instanceof OnOffType) {
 453                                 boolean commandBooleanValue = ((OnOffType) command) == OnOffType.ON ? true : false;
 454                                 setSteeringWheelHeater(commandBooleanValue);
 455                             }
 456                             break;
 457                         }
 458                         default:
 459                             break;
 460                     }
 461                     return;
 462                 } catch (IllegalArgumentException e) {
 463                     logger.warn(
 464                             "An error occurred while trying to set the read-only variable associated with channel '{}' to '{}'",
 465                             channelID, command.toString());
 466                 }
 467             }
 468         }
 469     }
 470
 471     public void sendCommand(String command, String payLoad, WebTarget target) {
 472         if (command.equals(COMMAND_WAKE_UP) || isAwake() || allowWakeUpForCommands) {
 473             Request request = account.newRequest(this, command, payLoad, target, allowWakeUpForCommands);
 474             if (stateThrottler != null) {
 475                 stateThrottler.submit(COMMAND_THROTTLE, request);
 476             }
 477         }
 478     }
 479
 480     public void sendCommand(String command) {
 481         sendCommand(command, "{}");
 482     }
 483
 484     public void sendCommand(String command, String payLoad) {
 485         if (command.equals(COMMAND_WAKE_UP) || isAwake() || allowWakeUpForCommands) {
 486             Request request = account.newRequest(this, command, payLoad, account.commandTarget, allowWakeUpForCommands);
 487             if (stateThrottler != null) {
 488                 stateThrottler.submit(COMMAND_THROTTLE, request);
 489             }
 490         }
 491     }
 492
 493     public void sendCommand(String command, WebTarget target) {
 494         if (command.equals(COMMAND_WAKE_UP) || isAwake() || allowWakeUpForCommands) {
 495             Request request = account.newRequest(this, command, "{}", target, allowWakeUpForCommands);
 496             if (stateThrottler != null) {
 497                 stateThrottler.submit(COMMAND_THROTTLE, request);
 498             }
 499         }
 500     }
 501
 502     public void requestData(String command, String payLoad) {
 503         if (command.equals(COMMAND_WAKE_UP) || isAwake() || allowWakeUpForCommands) {
 504             Request request = account.newRequest(this, command, payLoad, account.dataRequestTarget, false);
 505             if (stateThrottler != null) {
 506                 stateThrottler.submit(DATA_THROTTLE, request);
 507             }
 508         }
 509     }
 510
 511     @Override
 512     protected void updateStatus(ThingStatus status) {
 513         super.updateStatus(status);
 514     }
 515
 516     @Override
 517     protected void updateStatus(ThingStatus status, ThingStatusDetail statusDetail) {
 518         super.updateStatus(status, statusDetail);
 519     }
 520
 521     @Override
 522     protected void updateStatus(ThingStatus status, ThingStatusDetail statusDetail, @Nullable String description) {
 523         super.updateStatus(status, statusDetail, description);
 524     }
 525
 526     public void requestData(String command) {
 527         requestData(command, null);
 528     }
 529
 530     public void queryVehicle(String parameter) {
 531         WebTarget target = account.vehicleTarget.path(parameter);
 532         sendCommand(parameter, null, target);
 533     }
 534
 535     public void requestAllData() {
 536         requestData(DRIVE_STATE);
 537         requestData(VEHICLE_STATE);
 538         requestData(CHARGE_STATE);
 539         requestData(CLIMATE_STATE);
 540         requestData(GUI_STATE);
 541     }
 542
 543     protected boolean isAwake() {
 544         return vehicle != null && "online".equals(vehicle.state) && vehicle.vehicle_id != null;
 545     }
 546
 547     protected boolean isInMotion() {
 548         if (driveState != null) {
 549             if (driveState.speed != null && driveState.shift_state != null) {
 550                 return !"Undefined".equals(driveState.speed)
 551                         && (!"P".equals(driveState.shift_state) || !"Undefined".equals(driveState.shift_state));
 552             }
 553         }
 554         return false;
 555     }
 556
 557     protected boolean isInactive() {
 558         // vehicle is inactive in case
 559         // - it does not charge
 560         // - it has not moved or optionally stopped reporting drive state, in the observation period
 561         // - it is not in dog, camp, keep, sentry or any other mode that keeps it online
 562         return isInactive && !isCharging() && !notReadyForSleep();
 563     }
 564
 565     protected boolean isCharging() {
 566         return chargeState != null && "Charging".equals(chargeState.charging_state);
 567     }
 568
 569     protected boolean notReadyForSleep() {
 570         boolean status;
 571         int computedInactivityPeriod = inactivity;
 572
 573         if (useAdvancedStates) {
 574             if (vehicleState.is_user_present && !isInMotion()) {
 575                 logger.debug("Car is occupied but stationary.");
 576                 if (lastAdvModesTimestamp < (System.currentTimeMillis()
 577                         - (THRESHOLD_INTERVAL_FOR_ADVANCED_MINUTES * 60 * 1000))) {
 578                     logger.debug("Ignoring after {} minutes.", THRESHOLD_INTERVAL_FOR_ADVANCED_MINUTES);
 579                 } else {
 580                     return (backOffCounter++ % 6 == 0); // using 6 should make sure 1 out of 5 pollers get serviced,
 581                                                         // about every min.
 582                 }
 583             } else if (vehicleState.sentry_mode) {
 584                 logger.debug("Car is in sentry mode.");
 585                 if (lastAdvModesTimestamp < (System.currentTimeMillis()
 586                         - (THRESHOLD_INTERVAL_FOR_ADVANCED_MINUTES * 60 * 1000))) {
 587                     logger.debug("Ignoring after {} minutes.", THRESHOLD_INTERVAL_FOR_ADVANCED_MINUTES);
 588                 } else {
 589                     return (backOffCounter++ % 6 == 0);
 590                 }
 591             } else if ((vehicleState.center_display_state != 0) && (!isInMotion())) {
 592                 logger.debug("Car is in camp, climate keep, dog, or other mode preventing sleep. Mode {}",
 593                         vehicleState.center_display_state);
 594                 return (backOffCounter++ % 6 == 0);
 595             } else {
 596                 lastAdvModesTimestamp = System.currentTimeMillis();
 597             }
 598         }
 599
 600         if (vehicleState.homelink_nearby) {
 601             computedInactivityPeriod = MOVE_THRESHOLD_INTERVAL_MINUTES_DEFAULT;
 602             logger.debug("Car is at home. Movement or drive state threshold is {} min.",
 603                     MOVE_THRESHOLD_INTERVAL_MINUTES_DEFAULT);
 604         }
 605
 606         if (useDriveState) {
 607             if (driveState.shift_state != null) {
 608                 logger.debug("Car drive state not null and not ready to sleep.");
 609                 return true;
 610             } else {
 611                 status = lastDriveStateChangeToNullTimestamp > (System.currentTimeMillis()
 612                         - (computedInactivityPeriod * 60 * 1000));
 613                 if (status) {
 614                     logger.debug("Drivestate is null but has changed recently, therefore continuing to poll.");
 615                     return status;
 616                 } else {
 617                     logger.debug("Drivestate has changed to null after interval {} min and can now be put to sleep.",
 618                             computedInactivityPeriod);
 619                     return status;
 620                 }
 621             }
 622         } else {
 623             status = lastLocationChangeTimestamp > (System.currentTimeMillis()
 624                     - (computedInactivityPeriod * 60 * 1000));
 625             if (status) {
 626                 logger.debug("Car has moved recently and can not sleep");
 627                 return status;
 628             } else {
 629                 logger.debug("Car has not moved in {} min, and can sleep", computedInactivityPeriod);
 630                 return status;
 631             }
 632         }
 633     }
 634
 635     protected boolean allowQuery() {
 636         return (isAwake() && !isInactive());
 637     }
 638
 639     protected void setActive() {
 640         isInactive = false;
 641         lastLocationChangeTimestamp = System.currentTimeMillis();
 642         lastDriveStateChangeToNullTimestamp = System.currentTimeMillis();
 643         lastLatitude = 0;
 644         lastLongitude = 0;
 645     }
 646
 647     protected boolean checkResponse(Response response, boolean immediatelyFail) {
 648         if (response != null && response.getStatus() == 200) {
 649             return true;
 650         } else if (response != null && response.getStatus() == 401) {
 651             logger.debug("The access token has expired, trying to get a new one.");
 652             account.authenticate();
 653             return false;
 654         } else {
 655             apiIntervalErrors++;
 656             if (immediatelyFail || apiIntervalErrors >= TeslaAccountHandler.API_MAXIMUM_ERRORS_IN_INTERVAL) {
 657                 if (immediatelyFail) {
 658                     logger.warn("Got an unsuccessful result, setting vehicle to offline and will try again");
 659                 } else {
 660                     logger.warn("Reached the maximum number of errors ({}) for the current interval ({} seconds)",
 661                             TeslaAccountHandler.API_MAXIMUM_ERRORS_IN_INTERVAL,
 662                             TeslaAccountHandler.API_ERROR_INTERVAL_SECONDS);
 663                 }
 664
 665                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR);
 666             } else if ((System.currentTimeMillis() - apiIntervalTimestamp) > 1000
 667                     * TeslaAccountHandler.API_ERROR_INTERVAL_SECONDS) {
 668                 logger.trace("Resetting the error counter. ({} errors in the last interval)", apiIntervalErrors);
 669                 apiIntervalTimestamp = System.currentTimeMillis();
 670                 apiIntervalErrors = 0;
 671             }
 672         }
 673
 674         return false;
 675     }
 676
 677     public void setChargeLimit(int percent) {
 678         JsonObject payloadObject = new JsonObject();
 679         payloadObject.addProperty("percent", percent);
 680         sendCommand(COMMAND_SET_CHARGE_LIMIT, gson.toJson(payloadObject), account.commandTarget);
 681         requestData(CHARGE_STATE);
 682     }
 683
 684     public void setChargingAmps(int amps) {
 685         JsonObject payloadObject = new JsonObject();
 686         payloadObject.addProperty("charging_amps", amps);
 687         sendCommand(COMMAND_SET_CHARGING_AMPS, gson.toJson(payloadObject), account.commandTarget);
 688         requestData(CHARGE_STATE);
 689     }
 690
 691     public void setSentryMode(boolean b) {
 692         JsonObject payloadObject = new JsonObject();
 693         payloadObject.addProperty("on", b);
 694         sendCommand(COMMAND_SET_SENTRY_MODE, gson.toJson(payloadObject), account.commandTarget);
 695         requestData(VEHICLE_STATE);
 696     }
 697
 698     public void setSunroof(String state) {
 699         if (state.equals("vent") || state.equals("close")) {
 700             JsonObject payloadObject = new JsonObject();
 701             payloadObject.addProperty("state", state);
 702             sendCommand(COMMAND_SUN_ROOF, gson.toJson(payloadObject), account.commandTarget);
 703             requestData(VEHICLE_STATE);
 704         } else {
 705             logger.warn("Ignoring invalid command '{}' for sunroof.", state);
 706         }
 707     }
 708
 709     /**
 710      * Sets the driver and passenger temperatures.
 711      *
 712      * While setting different temperature values is supported by the API, in practice this does not always work
 713      * reliably, possibly if the the
 714      * only reliable method is to set the driver and passenger temperature to the same value
 715      *
 716      * @param driverTemperature in Celsius
 717      * @param passenegerTemperature in Celsius
 718      */
 719     public void setTemperature(float driverTemperature, float passenegerTemperature) {
 720         JsonObject payloadObject = new JsonObject();
 721         payloadObject.addProperty("driver_temp", driverTemperature);
 722         payloadObject.addProperty("passenger_temp", passenegerTemperature);
 723         sendCommand(COMMAND_SET_TEMP, gson.toJson(payloadObject), account.commandTarget);
 724         requestData(CLIMATE_STATE);
 725     }
 726
 727     public void setCombinedTemperature(float temperature) {
 728         setTemperature(temperature, temperature);
 729     }
 730
 731     public void setDriverTemperature(float temperature) {
 732         setTemperature(temperature, climateState != null ? climateState.passenger_temp_setting : temperature);
 733     }
 734
 735     public void setPassengerTemperature(float temperature) {
 736         setTemperature(climateState != null ? climateState.driver_temp_setting : temperature, temperature);
 737     }
 738
 739     public void openFrunk() {
 740         JsonObject payloadObject = new JsonObject();
 741         payloadObject.addProperty("which_trunk", "front");
 742         sendCommand(COMMAND_ACTUATE_TRUNK, gson.toJson(payloadObject), account.commandTarget);
 743         requestData(VEHICLE_STATE);
 744     }
 745
 746     public void openTrunk() {
 747         JsonObject payloadObject = new JsonObject();
 748         payloadObject.addProperty("which_trunk", "rear");
 749         sendCommand(COMMAND_ACTUATE_TRUNK, gson.toJson(payloadObject), account.commandTarget);
 750         requestData(VEHICLE_STATE);
 751     }
 752
 753     public void closeTrunk() {
 754         openTrunk();
 755     }
 756
 757     public void setValetMode(boolean b, Integer pin) {
 758         JsonObject payloadObject = new JsonObject();
 759         payloadObject.addProperty("on", b);
 760         if (pin != null) {
 761             payloadObject.addProperty("password", String.format("%04d", pin));
 762         }
 763         sendCommand(COMMAND_SET_VALET_MODE, gson.toJson(payloadObject), account.commandTarget);
 764         requestData(VEHICLE_STATE);
 765     }
 766
 767     public void resetValetPin() {
 768         sendCommand(COMMAND_RESET_VALET_PIN, account.commandTarget);
 769         requestData(VEHICLE_STATE);
 770     }
 771
 772     public void setMaxRangeCharging(boolean b) {
 773         sendCommand(b ? COMMAND_CHARGE_MAX : COMMAND_CHARGE_STD, account.commandTarget);
 774         requestData(CHARGE_STATE);
 775     }
 776
 777     public void charge(boolean b) {
 778         sendCommand(b ? COMMAND_CHARGE_START : COMMAND_CHARGE_STOP, account.commandTarget);
 779         requestData(CHARGE_STATE);
 780     }
 781
 782     public void flashLights() {
 783         sendCommand(COMMAND_FLASH_LIGHTS, account.commandTarget);
 784     }
 785
 786     public void honkHorn() {
 787         sendCommand(COMMAND_HONK_HORN, account.commandTarget);
 788     }
 789
 790     public void openChargePort() {
 791         sendCommand(COMMAND_OPEN_CHARGE_PORT, account.commandTarget);
 792         requestData(CHARGE_STATE);
 793     }
 794
 795     public void lockDoors(boolean b) {
 796         sendCommand(b ? COMMAND_DOOR_LOCK : COMMAND_DOOR_UNLOCK, account.commandTarget);
 797         requestData(VEHICLE_STATE);
 798     }
 799
 800     public void autoConditioning(boolean b) {
 801         sendCommand(b ? COMMAND_AUTO_COND_START : COMMAND_AUTO_COND_STOP, account.commandTarget);
 802         requestData(CLIMATE_STATE);
 803     }
 804
 805     public void wakeUp() {
 806         sendCommand(COMMAND_WAKE_UP, account.wakeUpTarget);
 807     }
 808
 809     public void setSteeringWheelHeater(boolean isOn) {
 810         JsonObject payloadObject = new JsonObject();
 811         payloadObject.addProperty("on", isOn);
 812         sendCommand(COMMAND_STEERING_WHEEL_HEATER, gson.toJson(payloadObject), account.commandTarget);
 813     }
 814
 815     protected Vehicle queryVehicle() {
 816         String authHeader = account.getAuthHeader();
 817
 818         if (authHeader != null) {
 819             try {
 820                 // get a list of vehicles
 821                 Response response = account.vehiclesTarget.request(MediaType.APPLICATION_JSON_TYPE)
 822                         .header("Authorization", authHeader).get();
 823
 824                 logger.debug("Querying the vehicle, response : {}, {}", response.getStatus(),
 825                         response.getStatusInfo().getReasonPhrase());
 826
 827                 if (!checkResponse(response, true)) {
 828                     logger.debug("An error occurred while querying the vehicle");
 829                     return null;
 830                 }
 831
 832                 JsonObject jsonObject = JsonParser.parseString(response.readEntity(String.class)).getAsJsonObject();
 833                 Vehicle[] vehicleArray = gson.fromJson(jsonObject.getAsJsonArray("response"), Vehicle[].class);
 834
 835                 for (Vehicle vehicle : vehicleArray) {
 836                     logger.debug("Querying the vehicle: VIN {}", vehicle.vin);
 837                     if (vehicle.vin.equals(getConfig().get(VIN))) {
 838                         vehicleJSON = gson.toJson(vehicle);
 839                         parseAndUpdate("queryVehicle", null, vehicleJSON);
 840                         if (logger.isTraceEnabled()) {
 841                             logger.trace("Vehicle is id {}/vehicle_id {}/tokens {}", vehicle.id, vehicle.vehicle_id,
 842                                     vehicle.tokens);
 843                         }
 844                         return vehicle;
 845                     }
 846                 }
 847             } catch (ProcessingException e) {
 848                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR, e.getMessage());
 849             }
 850         }
 851         return null;
 852     }
 853
 854     protected void queryVehicleAndUpdate() {
 855         vehicle = queryVehicle();
 856     }
 857
 858     public void parseAndUpdate(String request, String payLoad, String result) {
 859         final Double LOCATION_THRESHOLD = .0000001;
 860
 861         JsonObject jsonObject = null;
 862
 863         try {
 864             if (request != null && result != null && !"null".equals(result)) {
 865                 updateStatus(ThingStatus.ONLINE);
 866                 // first, update state objects
 867                 switch (request) {
 868                     case DRIVE_STATE: {
 869                         driveState = gson.fromJson(result, DriveState.class);
 870
 871                         if (Math.abs(lastLatitude - driveState.latitude) > LOCATION_THRESHOLD
 872                                 || Math.abs(lastLongitude - driveState.longitude) > LOCATION_THRESHOLD) {
 873                             logger.debug("Vehicle moved, resetting last location timestamp");
 874
 875                             lastLatitude = driveState.latitude;
 876                             lastLongitude = driveState.longitude;
 877                             lastLocationChangeTimestamp = System.currentTimeMillis();
 878                         }
 879                         logger.trace("Drive state: {}", driveState.shift_state);
 880
 881                         if ((driveState.shift_state == null) && (lastValidDriveStateNotNull)) {
 882                             logger.debug("Set NULL shiftstate time");
 883                             lastValidDriveStateNotNull = false;
 884                             lastDriveStateChangeToNullTimestamp = System.currentTimeMillis();
 885                         } else if (driveState.shift_state != null) {
 886                             logger.trace("Clear NULL shiftstate time");
 887                             lastValidDriveStateNotNull = true;
 888                         }
 889
 890                         break;
 891                     }
 892                     case GUI_STATE: {
 893                         guiState = gson.fromJson(result, GUIState.class);
 894                         break;
 895                     }
 896                     case VEHICLE_STATE: {
 897                         vehicleState = gson.fromJson(result, VehicleState.class);
 898                         break;
 899                     }
 900                     case CHARGE_STATE: {
 901                         chargeState = gson.fromJson(result, ChargeState.class);
 902                         if (isCharging()) {
 903                             updateState(CHANNEL_CHARGE, OnOffType.ON);
 904                         } else {
 905                             updateState(CHANNEL_CHARGE, OnOffType.OFF);
 906                         }
 907
 908                         break;
 909                     }
 910                     case CLIMATE_STATE: {
 911                         climateState = gson.fromJson(result, ClimateState.class);
 912                         BigDecimal avgtemp = roundBigDecimal(new BigDecimal(
 913                                 (climateState.driver_temp_setting + climateState.passenger_temp_setting) / 2.0f));
 914                         updateState(CHANNEL_COMBINED_TEMP, new QuantityType<>(avgtemp, SIUnits.CELSIUS));
 915                         break;
 916                     }
 917                     case "queryVehicle": {
 918                         if (vehicle != null) {
 919                             logger.debug("Vehicle state is {}", vehicle.state);
 920                         } else {
 921                             logger.debug("Vehicle state is initializing or unknown");
 922                             break;
 923                         }
 924
 925                         if (vehicle != null && "asleep".equals(vehicle.state)) {
 926                             logger.debug("Vehicle is asleep.");
 927                             break;
 928                         }
 929
 930                         if (vehicle != null && !lastState.equals(vehicle.state)) {
 931                             lastState = vehicle.state;
 932
 933                             // in case vehicle changed to awake, refresh all data
 934                             if (isAwake()) {
 935                                 logger.debug("Vehicle is now awake, updating all data");
 936                                 lastLocationChangeTimestamp = System.currentTimeMillis();
 937                                 lastDriveStateChangeToNullTimestamp = System.currentTimeMillis();
 938                                 requestAllData();
 939                             }
 940
 941                             setActive();
 942                         }
 943
 944                         // reset timestamp if elapsed and set inactive to false
 945                         if (isInactive && lastStateTimestamp + (API_SLEEP_INTERVAL_MINUTES * 60 * 1000) < System
 946                                 .currentTimeMillis()) {
 947                             logger.debug("Vehicle did not fall asleep within sleep period, checking again");
 948                             setActive();
 949                         } else {
 950                             boolean wasInactive = isInactive;
 951                             isInactive = !isCharging() && !notReadyForSleep();
 952
 953                             if (!wasInactive && isInactive) {
 954                                 lastStateTimestamp = System.currentTimeMillis();
 955                                 logger.debug("Vehicle is inactive");
 956                             }
 957                         }
 958
 959                         break;
 960                     }
 961                 }
 962
 963                 // secondly, reformat the response string to a JSON compliant
 964                 // object for some specific non-JSON compatible requests
 965                 switch (request) {
 966                     case MOBILE_ENABLED_STATE: {
 967                         jsonObject = new JsonObject();
 968                         jsonObject.addProperty(MOBILE_ENABLED_STATE, result);
 969                         break;
 970                     }
 971                     default: {
 972                         jsonObject = JsonParser.parseString(result).getAsJsonObject();
 973                         break;
 974                     }
 975                 }
 976             }
 977
 978             // process the result
 979             if (jsonObject != null && result != null && !"null".equals(result)) {
 980                 // deal with responses for "set" commands, which get confirmed
 981                 // positively, or negatively, in which case a reason for failure
 982                 // is provided
 983                 if (jsonObject.get("reason") != null && jsonObject.get("reason").getAsString() != null) {
 984                     boolean requestResult = jsonObject.get("result").getAsBoolean();
 985                     logger.debug("The request ({}) execution was {}, and reported '{}'", new Object[] { request,
 986                             requestResult ? "successful" : "not successful", jsonObject.get("reason").getAsString() });
 987                 } else {
 988                     Set<Map.Entry<String, JsonElement>> entrySet = jsonObject.entrySet();
 989
 990                     long resultTimeStamp = 0;
 991                     for (Map.Entry<String, JsonElement> entry : entrySet) {
 992                         if ("timestamp".equals(entry.getKey())) {
 993                             resultTimeStamp = Long.valueOf(entry.getValue().getAsString());
 994                             if (logger.isTraceEnabled()) {
 995                                 Date date = new Date(resultTimeStamp);
 996                                 SimpleDateFormat dateFormatter = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS");
 997                                 logger.trace("The request result timestamp is {}", dateFormatter.format(date));
 998                             }
 999                             break;
1000                         }
1001                     }
1002
1003                     try {
1004                         lock.lock();
1005
1006                         boolean proceed = true;
1007                         if (resultTimeStamp < lastTimeStamp && request == DRIVE_STATE) {
1008                             proceed = false;
1009                         }
1010
1011                         if (proceed) {
1012                             for (Map.Entry<String, JsonElement> entry : entrySet) {
1013                                 try {
1014                                     TeslaChannelSelector selector = TeslaChannelSelector
1015                                             .getValueSelectorFromRESTID(entry.getKey());
1016                                     if (!selector.isProperty()) {
1017                                         if (!entry.getValue().isJsonNull()) {
1018                                             updateState(selector.getChannelID(), teslaChannelSelectorProxy.getState(
1019                                                     entry.getValue().getAsString(), selector, editProperties()));
1020                                             if (logger.isTraceEnabled()) {
1021                                                 logger.trace(
1022                                                         "The variable/value pair '{}':'{}' is successfully processed",
1023                                                         entry.getKey(), entry.getValue());
1024                                             }
1025                                         } else {
1026                                             updateState(selector.getChannelID(), UnDefType.UNDEF);
1027                                         }
1028                                     } else {
1029                                         if (!entry.getValue().isJsonNull()) {
1030                                             Map<String, String> properties = editProperties();
1031                                             properties.put(selector.getChannelID(), entry.getValue().getAsString());
1032                                             updateProperties(properties);
1033                                             if (logger.isTraceEnabled()) {
1034                                                 logger.trace(
1035                                                         "The variable/value pair '{}':'{}' is successfully used to set property '{}'",
1036                                                         entry.getKey(), entry.getValue(), selector.getChannelID());
1037                                             }
1038                                         }
1039                                     }
1040                                 } catch (IllegalArgumentException e) {
1041                                     logger.trace("The variable/value pair '{}':'{}' is not (yet) supported",
1042                                             entry.getKey(), entry.getValue());
1043                                 } catch (ClassCastException | IllegalStateException e) {
1044                                     logger.trace("An exception occurred while converting the JSON data : '{}'",
1045                                             e.getMessage(), e);
1046                                 }
1047                             }
1048                         } else {
1049                             logger.warn("The result for request '{}' is discarded due to an out of sync timestamp",
1050                                     request);
1051                         }
1052                     } finally {
1053                         lock.unlock();
1054                     }
1055                 }
1056             }
1057         } catch (Exception p) {
1058             logger.error("An exception occurred while parsing data received from the vehicle: '{}'", p.getMessage());
1059         }
1060     }
1061
1062     @SuppressWarnings("unchecked")
1063     protected QuantityType<Temperature> commandToQuantityType(Command command) {
1064         if (command instanceof QuantityType) {
1065             return ((QuantityType<Temperature>) command).toUnit(SIUnits.CELSIUS);
1066         }
1067         return new QuantityType<>(new BigDecimal(command.toString()), SIUnits.CELSIUS);
1068     }
1069
1070     protected float quanityToRoundedFloat(QuantityType<Temperature> quantity) {
1071         return roundBigDecimal(quantity.toBigDecimal()).floatValue();
1072     }
1073
1074     protected BigDecimal roundBigDecimal(BigDecimal value) {
1075         return value.setScale(1, RoundingMode.HALF_EVEN);
1076     }
1077
1078     protected Runnable slowStateRunnable = () -> {
1079         try {
1080             queryVehicleAndUpdate();
1081             boolean allowQuery = allowQuery();
1082
1083             if (allowQuery) {
1084                 requestData(CHARGE_STATE);
1085                 requestData(CLIMATE_STATE);
1086                 requestData(GUI_STATE);
1087                 queryVehicle(MOBILE_ENABLED_STATE);
1088             } else {
1089                 if (allowWakeUp) {
1090                     wakeUp();
1091                 } else {
1092                     if (isAwake()) {
1093                         logger.debug("slowpoll: Throttled to allow sleep, occupied/idle, or in a console mode");
1094                     } else {
1095                         lastAdvModesTimestamp = System.currentTimeMillis();
1096                     }
1097                 }
1098             }
1099         } catch (Exception e) {
1100             logger.warn("Exception occurred in slowStateRunnable", e);
1101         }
1102     };
1103
1104     protected Runnable fastStateRunnable = () -> {
1105         if (getThing().getStatus() == ThingStatus.ONLINE) {
1106             boolean allowQuery = allowQuery();
1107
1108             if (allowQuery) {
1109                 requestData(DRIVE_STATE);
1110                 requestData(VEHICLE_STATE);
1111             } else {
1112                 if (allowWakeUp) {
1113                     wakeUp();
1114                 } else {
1115                     if (isAwake()) {
1116                         logger.debug("fastpoll: Throttled to allow sleep, occupied/idle, or in a console mode");
1117                     }
1118                 }
1119             }
1120         }
1121     };
1122
1123     protected Runnable eventRunnable = new Runnable() {
1124         TeslaEventEndpoint eventEndpoint;
1125         boolean isAuthenticated = false;
1126         long lastPingTimestamp = 0;
1127
1128         @Override
1129         public void run() {
1130             eventEndpoint = new TeslaEventEndpoint(webSocketFactory);
1131             eventEndpoint.addEventHandler(new TeslaEventEndpoint.EventHandler() {
1132                 @Override
1133                 public void handleEvent(Event event) {
1134                     if (event != null) {
1135                         switch (event.msg_type) {
1136                             case "control:hello":
1137                                 logger.debug("Event : Received hello");
1138                                 break;
1139                             case "data:update":
1140                                 logger.debug("Event : Received an update: '{}'", event.value);
1141
1142                                 String vals[] = event.value.split(",");
1143                                 long currentTimeStamp = Long.valueOf(vals[0]);
1144                                 long systemTimeStamp = System.currentTimeMillis();
1145                                 if (logger.isDebugEnabled()) {
1146                                     SimpleDateFormat dateFormatter = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS");
1147                                     logger.debug("STS {} CTS {} Delta {}",
1148                                             dateFormatter.format(new Date(systemTimeStamp)),
1149                                             dateFormatter.format(new Date(currentTimeStamp)),
1150                                             systemTimeStamp - currentTimeStamp);
1151                                 }
1152                                 if (systemTimeStamp - currentTimeStamp < EVENT_TIMESTAMP_AGE_LIMIT) {
1153                                     if (currentTimeStamp > lastTimeStamp) {
1154                                         lastTimeStamp = Long.valueOf(vals[0]);
1155                                         if (logger.isDebugEnabled()) {
1156                                             SimpleDateFormat dateFormatter = new SimpleDateFormat(
1157                                                     "yyyy-MM-dd'T'HH:mm:ss.SSS");
1158                                             logger.debug("Event : Event stamp is {}",
1159                                                     dateFormatter.format(new Date(lastTimeStamp)));
1160                                         }
1161                                         for (int i = 0; i < EventKeys.values().length; i++) {
1162                                             TeslaChannelSelector selector = TeslaChannelSelector
1163                                                     .getValueSelectorFromRESTID((EventKeys.values()[i]).toString());
1164
1165                                             if (!selector.isProperty()) {
1166                                                 State newState = teslaChannelSelectorProxy.getState(vals[i], selector,
1167                                                         editProperties());
1168                                                 if (newState != null && !"".equals(vals[i])) {
1169                                                     updateState(selector.getChannelID(), newState);
1170                                                 } else {
1171                                                     updateState(selector.getChannelID(), UnDefType.UNDEF);
1172                                                 }
1173                                                 if (logger.isTraceEnabled()) {
1174                                                     logger.trace(
1175                                                             "The variable/value pair '{}':'{}' is successfully processed",
1176                                                             EventKeys.values()[i], vals[i]);
1177                                                 }
1178                                             } else {
1179                                                 Map<String, String> properties = editProperties();
1180                                                 properties.put(selector.getChannelID(),
1181                                                         (selector.getState(vals[i])).toString());
1182                                                 updateProperties(properties);
1183                                                 if (logger.isTraceEnabled()) {
1184                                                     logger.trace(
1185                                                             "The variable/value pair '{}':'{}' is successfully used to set property '{}'",
1186                                                             EventKeys.values()[i], vals[i], selector.getChannelID());
1187                                                 }
1188                                             }
1189                                         }
1190                                     } else {
1191                                         if (logger.isDebugEnabled()) {
1192                                             SimpleDateFormat dateFormatter = new SimpleDateFormat(
1193                                                     "yyyy-MM-dd'T'HH:mm:ss.SSS");
1194                                             logger.debug(
1195                                                     "Event : Discarding an event with an out of sync timestamp {} (last is {})",
1196                                                     dateFormatter.format(new Date(currentTimeStamp)),
1197                                                     dateFormatter.format(new Date(lastTimeStamp)));
1198                                         }
1199                                     }
1200                                 } else {
1201                                     if (logger.isDebugEnabled()) {
1202                                         SimpleDateFormat dateFormatter = new SimpleDateFormat(
1203                                                 "yyyy-MM-dd'T'HH:mm:ss.SSS");
1204                                         logger.debug(
1205                                                 "Event : Discarding an event that differs {} ms from the system time: {} (system is {})",
1206                                                 systemTimeStamp - currentTimeStamp,
1207                                                 dateFormatter.format(currentTimeStamp),
1208                                                 dateFormatter.format(systemTimeStamp));
1209                                     }
1210                                     if (systemTimeStamp - currentTimeStamp > EVENT_TIMESTAMP_MAX_DELTA) {
1211                                         logger.trace("Event : The event endpoint will be reset");
1212                                         eventEndpoint.close();
1213                                     }
1214                                 }
1215                                 break;
1216                             case "data:error":
1217                                 logger.debug("Event : Received an error: '{}'/'{}'", event.value, event.error_type);
1218                                 eventEndpoint.close();
1219                                 break;
1220                         }
1221                     }
1222                 }
1223             });
1224
1225             while (true) {
1226                 try {
1227                     if (getThing().getStatus() == ThingStatus.ONLINE) {
1228                         if (isAwake()) {
1229                             eventEndpoint.connect(new URI(URI_EVENT));
1230
1231                             if (eventEndpoint.isConnected()) {
1232                                 if (!isAuthenticated) {
1233                                     logger.debug("Event : Authenticating vehicle {}", vehicle.vehicle_id);
1234                                     JsonObject payloadObject = new JsonObject();
1235                                     payloadObject.addProperty("msg_type", "data:subscribe_oauth");
1236                                     payloadObject.addProperty("token", account.getAccessToken());
1237                                     payloadObject.addProperty("value", Arrays.asList(EventKeys.values()).stream()
1238                                             .skip(1).map(Enum::toString).collect(Collectors.joining(",")));
1239                                     payloadObject.addProperty("tag", vehicle.vehicle_id);
1240
1241                                     eventEndpoint.sendMessage(gson.toJson(payloadObject));
1242                                     isAuthenticated = true;
1243
1244                                     lastPingTimestamp = System.nanoTime();
1245                                 }
1246
1247                                 if (TimeUnit.MILLISECONDS.convert(System.nanoTime() - lastPingTimestamp,
1248                                         TimeUnit.NANOSECONDS) > EVENT_PING_INTERVAL) {
1249                                     logger.trace("Event : Pinging the Tesla event stream infrastructure");
1250                                     eventEndpoint.ping();
1251                                     lastPingTimestamp = System.nanoTime();
1252                                 }
1253                             }
1254
1255                             if (!eventEndpoint.isConnected()) {
1256                                 isAuthenticated = false;
1257                                 eventIntervalErrors++;
1258                                 if (eventIntervalErrors >= EVENT_MAXIMUM_ERRORS_IN_INTERVAL) {
1259                                     logger.warn(
1260                                             "Event : Reached the maximum number of errors ({}) for the current interval ({} seconds)",
1261                                             EVENT_MAXIMUM_ERRORS_IN_INTERVAL, EVENT_ERROR_INTERVAL_SECONDS);
1262                                     updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR);
1263                                     eventEndpoint.close();
1264                                 }
1265
1266                                 if ((System.currentTimeMillis() - eventIntervalTimestamp) > 1000
1267                                         * EVENT_ERROR_INTERVAL_SECONDS) {
1268                                     logger.trace(
1269                                             "Event : Resetting the error counter. ({} errors in the last interval)",
1270                                             eventIntervalErrors);
1271                                     eventIntervalTimestamp = System.currentTimeMillis();
1272                                     eventIntervalErrors = 0;
1273                                 }
1274                             }
1275                         } else {
1276                             logger.debug("Event : The vehicle is not awake");
1277                             if (vehicle != null) {
1278                                 if (allowWakeUp) {
1279                                     // wake up the vehicle until streaming token <> 0
1280                                     logger.debug("Event : Waking up the vehicle");
1281                                     wakeUp();
1282                                 }
1283                             } else {
1284                                 vehicle = queryVehicle();
1285                             }
1286                         }
1287                     }
1288                 } catch (URISyntaxException | NumberFormatException | IOException e) {
1289                     logger.debug("Event : An exception occurred while processing events: '{}'", e.getMessage());
1290                 }
1291
1292                 try {
1293                     Thread.sleep(EVENT_STREAM_PAUSE);
1294                 } catch (InterruptedException e) {
1295                     logger.debug("Event : An exception occurred while putting the event thread to sleep: '{}'",
1296                             e.getMessage());
1297                 }
1298
1299                 if (Thread.interrupted()) {
1300                     logger.debug("Event : The event thread was interrupted");
1301                     return;
1302                 }
1303             }
1304         }
1305     };
1306 }