git.basschouten.com Git - openhab-addons.git/blob

   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.tibber.internal.handler;
  14
  15 import static org.openhab.binding.tibber.internal.TibberBindingConstants.*;
  16
  17 import java.io.IOException;
  18 import java.io.InputStream;
  19 import java.math.BigDecimal;
  20 import java.net.URI;
  21 import java.net.URISyntaxException;
  22 import java.util.Properties;
  23 import java.util.concurrent.Future;
  24 import java.util.concurrent.ScheduledFuture;
  25 import java.util.concurrent.TimeUnit;
  26
  27 import org.eclipse.jdt.annotation.NonNullByDefault;
  28 import org.eclipse.jdt.annotation.Nullable;
  29 import org.eclipse.jetty.client.HttpClient;
  30 import org.eclipse.jetty.http.HttpHeader;
  31 import org.eclipse.jetty.util.ssl.SslContextFactory;
  32 import org.eclipse.jetty.websocket.api.Session;
  33 import org.eclipse.jetty.websocket.api.annotations.OnWebSocketClose;
  34 import org.eclipse.jetty.websocket.api.annotations.OnWebSocketConnect;
  35 import org.eclipse.jetty.websocket.api.annotations.OnWebSocketError;
  36 import org.eclipse.jetty.websocket.api.annotations.OnWebSocketMessage;
  37 import org.eclipse.jetty.websocket.api.annotations.WebSocket;
  38 import org.eclipse.jetty.websocket.client.ClientUpgradeRequest;
  39 import org.eclipse.jetty.websocket.client.WebSocketClient;
  40 import org.openhab.binding.tibber.internal.config.TibberConfiguration;
  41 import org.openhab.core.io.net.http.HttpUtil;
  42 import org.openhab.core.library.types.DateTimeType;
  43 import org.openhab.core.library.types.DecimalType;
  44 import org.openhab.core.library.types.QuantityType;
  45 import org.openhab.core.library.types.StringType;
  46 import org.openhab.core.library.unit.Units;
  47 import org.openhab.core.thing.ChannelUID;
  48 import org.openhab.core.thing.Thing;
  49 import org.openhab.core.thing.ThingStatus;
  50 import org.openhab.core.thing.ThingStatusDetail;
  51 import org.openhab.core.thing.ThingStatusInfo;
  52 import org.openhab.core.thing.binding.BaseThingHandler;
  53 import org.openhab.core.types.Command;
  54 import org.openhab.core.types.RefreshType;
  55 import org.osgi.framework.FrameworkUtil;
  56 import org.slf4j.Logger;
  57 import org.slf4j.LoggerFactory;
  58
  59 import com.google.gson.JsonArray;
  60 import com.google.gson.JsonObject;
  61 import com.google.gson.JsonParser;
  62 import com.google.gson.JsonSyntaxException;
  63
  64 /**
  65  * The {@link TibberHandler} is responsible for handling queries to/from Tibber API.
  66  *
  67  * @author Stian Kjoglum - Initial contribution
  68  */
  69 @NonNullByDefault
  70 public class TibberHandler extends BaseThingHandler {
  71     private static final int REQUEST_TIMEOUT = (int) TimeUnit.SECONDS.toMillis(20);
  72     private final Logger logger = LoggerFactory.getLogger(TibberHandler.class);
  73     private final Properties httpHeader = new Properties();
  74     private TibberConfiguration tibberConfig = new TibberConfiguration();
  75     private @Nullable SslContextFactory sslContextFactory;
  76     private @Nullable TibberWebSocketListener socket;
  77     private @Nullable Session session;
  78     private @Nullable WebSocketClient client;
  79     private @Nullable ScheduledFuture<?> pollingJob;
  80     private @Nullable Future<?> sessionFuture;
  81     private String rtEnabled = "false";
  82     private @Nullable String subscriptionURL;
  83     private @Nullable String versionString;
  84
  85     public TibberHandler(Thing thing) {
  86         super(thing);
  87     }
  88
  89     @Override
  90     public void initialize() {
  91         updateStatus(ThingStatus.UNKNOWN);
  92         tibberConfig = getConfigAs(TibberConfiguration.class);
  93
  94         versionString = FrameworkUtil.getBundle(this.getClass()).getVersion().toString();
  95         logger.debug("Binding version: {}", versionString);
  96
  97         getTibberParameters();
  98         startRefresh(tibberConfig.getRefresh());
  99     }
 100
 101     @Override
 102     public void handleCommand(ChannelUID channelUID, Command command) {
 103         if (command instanceof RefreshType) {
 104             startRefresh(tibberConfig.getRefresh());
 105         } else {
 106             logger.debug("Tibber API is read-only and does not handle commands");
 107         }
 108     }
 109
 110     public void getTibberParameters() {
 111         String response = "";
 112         try {
 113             httpHeader.put("cache-control", "no-cache");
 114             httpHeader.put("content-type", JSON_CONTENT_TYPE);
 115             httpHeader.put(HttpHeader.USER_AGENT.asString(),
 116                     "openHAB/Tibber " + versionString + " Tibber driver " + TIBBER_DRIVER);
 117             httpHeader.put(HttpHeader.AUTHORIZATION.asString(), "Bearer " + tibberConfig.getToken());
 118
 119             TibberPriceConsumptionHandler tibberQuery = new TibberPriceConsumptionHandler();
 120             InputStream connectionStream = tibberQuery.connectionInputStream(tibberConfig.getHomeid());
 121             response = HttpUtil.executeUrl("POST", BASE_URL, httpHeader, connectionStream, null, REQUEST_TIMEOUT);
 122
 123             if (!response.contains("error") && !response.contains("<html>")) {
 124                 updateStatus(ThingStatus.ONLINE);
 125                 getURLInput(BASE_URL);
 126
 127                 InputStream inputStream = tibberQuery.getRealtimeInputStream(tibberConfig.getHomeid());
 128                 String jsonResponse = HttpUtil.executeUrl("POST", BASE_URL, httpHeader, inputStream, null,
 129                         REQUEST_TIMEOUT);
 130
 131                 JsonObject object = (JsonObject) JsonParser.parseString(jsonResponse);
 132                 rtEnabled = object.getAsJsonObject("data").getAsJsonObject("viewer").getAsJsonObject("home")
 133                         .getAsJsonObject("features").get("realTimeConsumptionEnabled").toString();
 134
 135                 if ("true".equals(rtEnabled)) {
 136                     logger.debug("Pulse associated with HomeId: Live stream will be started");
 137
 138                     InputStream wsURL = tibberQuery.getWebsocketUrl();
 139                     String wsResponse = HttpUtil.executeUrl("POST", BASE_URL, httpHeader, wsURL, null, REQUEST_TIMEOUT);
 140
 141                     JsonObject wsobject = (JsonObject) JsonParser.parseString(wsResponse);
 142                     subscriptionURL = wsobject.getAsJsonObject("data").getAsJsonObject("viewer")
 143                             .get("websocketSubscriptionUrl").toString().replaceAll("^\"|\"$", "");
 144                     logger.debug("Subscribing to: {}", subscriptionURL);
 145
 146                     open();
 147                 } else {
 148                     logger.debug("No Pulse associated with HomeId: No live stream will be started");
 149                 }
 150             } else {
 151                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR,
 152                         "Problems connecting/communicating with server: " + response);
 153             }
 154         } catch (IOException | JsonSyntaxException e) {
 155             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR, e.getMessage());
 156         }
 157     }
 158
 159     public void getURLInput(String url) throws IOException {
 160         String jsonResponse = "";
 161         TibberPriceConsumptionHandler tibberQuery = new TibberPriceConsumptionHandler();
 162
 163         InputStream inputStream = tibberQuery.getInputStream(tibberConfig.getHomeid());
 164         jsonResponse = HttpUtil.executeUrl("POST", url, httpHeader, inputStream, null, REQUEST_TIMEOUT);
 165         logger.debug("API response: {}", jsonResponse);
 166
 167         if (!jsonResponse.contains("error") && !jsonResponse.contains("<html>")) {
 168             if (getThing().getStatus() == ThingStatus.OFFLINE || getThing().getStatus() == ThingStatus.INITIALIZING) {
 169                 updateStatus(ThingStatus.ONLINE);
 170             }
 171
 172             JsonObject rootJsonObject = (JsonObject) JsonParser.parseString(jsonResponse);
 173
 174             if (jsonResponse.contains("total")) {
 175                 try {
 176                     JsonObject current = rootJsonObject.getAsJsonObject("data").getAsJsonObject("viewer")
 177                             .getAsJsonObject("home").getAsJsonObject("currentSubscription").getAsJsonObject("priceInfo")
 178                             .getAsJsonObject("current");
 179
 180                     updateState(CURRENT_TOTAL, new DecimalType(current.get("total").toString()));
 181                     String timestamp = current.get("startsAt").toString().substring(1, 20);
 182                     updateState(CURRENT_STARTSAT, new DateTimeType(timestamp));
 183                     updateState(CURRENT_LEVEL,
 184                             new StringType(current.get("level").toString().replaceAll("^\"|\"$", "")));
 185
 186                     JsonArray tomorrow = rootJsonObject.getAsJsonObject("data").getAsJsonObject("viewer")
 187                             .getAsJsonObject("home").getAsJsonObject("currentSubscription").getAsJsonObject("priceInfo")
 188                             .getAsJsonArray("tomorrow");
 189                     updateState(TOMORROW_PRICES, new StringType(tomorrow.toString()));
 190                 } catch (JsonSyntaxException e) {
 191                     updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
 192                             "Error communicating with Tibber API: " + e.getMessage());
 193                 }
 194             }
 195             if (jsonResponse.contains("daily") && !jsonResponse.contains("\"daily\":{\"nodes\":[]")
 196                     && !jsonResponse.contains("\"daily\":null")) {
 197                 try {
 198                     JsonObject myObject = (JsonObject) rootJsonObject.getAsJsonObject("data").getAsJsonObject("viewer")
 199                             .getAsJsonObject("home").getAsJsonObject("daily").getAsJsonArray("nodes").get(0);
 200
 201                     String timestampDailyFrom = myObject.get("from").toString().substring(1, 20);
 202                     updateState(DAILY_FROM, new DateTimeType(timestampDailyFrom));
 203
 204                     String timestampDailyTo = myObject.get("to").toString().substring(1, 20);
 205                     updateState(DAILY_TO, new DateTimeType(timestampDailyTo));
 206
 207                     updateChannel(DAILY_COST, myObject.get("cost").toString());
 208                     updateChannel(DAILY_CONSUMPTION, myObject.get("consumption").toString());
 209                 } catch (JsonSyntaxException e) {
 210                     updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
 211                             "Error communicating with Tibber API: " + e.getMessage());
 212                 }
 213             }
 214             if (jsonResponse.contains("hourly") && !jsonResponse.contains("\"hourly\":{\"nodes\":[]")
 215                     && !jsonResponse.contains("\"hourly\":null")) {
 216                 try {
 217                     JsonObject myObject = (JsonObject) rootJsonObject.getAsJsonObject("data").getAsJsonObject("viewer")
 218                             .getAsJsonObject("home").getAsJsonObject("hourly").getAsJsonArray("nodes").get(0);
 219
 220                     String timestampHourlyFrom = myObject.get("from").toString().substring(1, 20);
 221                     updateState(HOURLY_FROM, new DateTimeType(timestampHourlyFrom));
 222
 223                     String timestampHourlyTo = myObject.get("to").toString().substring(1, 20);
 224                     updateState(HOURLY_TO, new DateTimeType(timestampHourlyTo));
 225
 226                     updateChannel(HOURLY_COST, myObject.get("cost").toString());
 227                     updateChannel(HOURLY_CONSUMPTION, myObject.get("consumption").toString());
 228                 } catch (JsonSyntaxException e) {
 229                     updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
 230                             "Error communicating with Tibber API: " + e.getMessage());
 231                 }
 232             }
 233         } else if (jsonResponse.contains("error")) {
 234             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
 235                     "Error in response from Tibber API: " + jsonResponse);
 236             try {
 237                 Thread.sleep(300 * 1000);
 238                 return;
 239             } catch (InterruptedException e) {
 240                 logger.debug("Tibber OFFLINE, attempting thread sleep: {}", e.getMessage());
 241             }
 242         } else {
 243             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
 244                     "Unexpected response from Tibber: " + jsonResponse);
 245             try {
 246                 Thread.sleep(300 * 1000);
 247                 return;
 248             } catch (InterruptedException e) {
 249                 logger.debug("Tibber OFFLINE, attempting thread sleep: {}", e.getMessage());
 250             }
 251         }
 252     }
 253
 254     public void startRefresh(int refresh) {
 255         if (pollingJob == null) {
 256             pollingJob = scheduler.scheduleWithFixedDelay(() -> {
 257                 try {
 258                     updateRequest();
 259                 } catch (IOException e) {
 260                     logger.warn("IO Exception: {}", e.getMessage());
 261                 }
 262             }, 1, refresh, TimeUnit.MINUTES);
 263         }
 264     }
 265
 266     public void updateRequest() throws IOException {
 267         getURLInput(BASE_URL);
 268         if ("true".equals(rtEnabled) && !isConnected()) {
 269             logger.debug("Attempting to reopen Websocket connection");
 270             open();
 271         }
 272     }
 273
 274     public void updateChannel(String channelID, String channelValue) {
 275         if (!channelValue.contains("null")) {
 276             if (channelID.contains("consumption") || channelID.contains("Consumption")
 277                     || channelID.contains("accumulatedProduction")) {
 278                 updateState(channelID, new QuantityType<>(new BigDecimal(channelValue), Units.KILOWATT_HOUR));
 279             } else if (channelID.contains("power") || channelID.contains("Power")) {
 280                 updateState(channelID, new QuantityType<>(new BigDecimal(channelValue), Units.WATT));
 281             } else if (channelID.contains("voltage")) {
 282                 updateState(channelID, new QuantityType<>(new BigDecimal(channelValue), Units.VOLT));
 283             } else if (channelID.contains("current")) {
 284                 updateState(channelID, new QuantityType<>(new BigDecimal(channelValue), Units.AMPERE));
 285             } else {
 286                 updateState(channelID, new DecimalType(channelValue));
 287             }
 288         }
 289     }
 290
 291     public void thingStatusChanged(ThingStatusInfo thingStatusInfo) {
 292         logger.debug("Thing Status updated to {} for device: {}", thingStatusInfo.getStatus(), getThing().getUID());
 293         if (thingStatusInfo.getStatus() != ThingStatus.ONLINE) {
 294             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
 295                     "Unable to communicate with Tibber API");
 296         }
 297     }
 298
 299     @Override
 300     public void dispose() {
 301         ScheduledFuture<?> pollingJob = this.pollingJob;
 302         if (pollingJob != null) {
 303             pollingJob.cancel(true);
 304             this.pollingJob = null;
 305         }
 306         if (isConnected()) {
 307             close();
 308             WebSocketClient client = this.client;
 309             if (client != null) {
 310                 try {
 311                     logger.debug("DISPOSE - Stopping and Terminating Websocket connection");
 312                     client.stop();
 313                 } catch (Exception e) {
 314                     logger.warn("Websocket Client Stop Exception: {}", e.getMessage());
 315                 }
 316                 client.destroy();
 317                 this.client = null;
 318             }
 319         }
 320         super.dispose();
 321     }
 322
 323     public void open() {
 324         WebSocketClient client = this.client;
 325         if (client == null || !client.isRunning() || !isConnected()) {
 326             if (client != null) {
 327                 try {
 328                     client.stop();
 329                 } catch (Exception e) {
 330                     logger.warn("OPEN FRAME - Failed to stop websocket client: {}", e.getMessage());
 331                 }
 332                 client.destroy();
 333             }
 334             sslContextFactory = new SslContextFactory.Client(true);
 335             sslContextFactory.setTrustAll(true);
 336             sslContextFactory.setEndpointIdentificationAlgorithm(null);
 337
 338             client = new WebSocketClient(new HttpClient(sslContextFactory));
 339             client.setMaxIdleTimeout(30 * 1000);
 340             this.client = client;
 341
 342             TibberWebSocketListener socket = this.socket;
 343             if (socket == null) {
 344                 logger.debug("New socket being created");
 345                 socket = new TibberWebSocketListener();
 346                 this.socket = socket;
 347             }
 348
 349             ClientUpgradeRequest newRequest = new ClientUpgradeRequest();
 350             newRequest.setHeader(HttpHeader.USER_AGENT.asString(),
 351                     "openHAB/Tibber " + versionString + " Tibber driver " + TIBBER_DRIVER);
 352             newRequest.setHeader(HttpHeader.AUTHORIZATION.asString(), "Bearer " + tibberConfig.getToken());
 353             newRequest.setSubProtocols("graphql-transport-ws");
 354
 355             try {
 356                 logger.debug("Starting Websocket connection");
 357                 client.start();
 358             } catch (Exception e) {
 359                 logger.warn("Websocket Start Exception: {}", e.getMessage());
 360             }
 361             try {
 362                 logger.debug("Connecting Websocket connection");
 363                 sessionFuture = client.connect(socket, new URI(subscriptionURL), newRequest);
 364                 try {
 365                     Thread.sleep(10 * 1000);
 366                 } catch (InterruptedException e) {
 367                 }
 368                 if (!isConnected()) {
 369                     logger.warn("Unable to establish websocket session - Reattempting connection on next refresh");
 370                 } else {
 371                     logger.debug("Websocket session established");
 372                 }
 373             } catch (IOException e) {
 374                 logger.warn("Websocket Connect Exception: {}", e.getMessage());
 375             } catch (URISyntaxException e) {
 376                 logger.warn("Websocket URI Exception: {}", e.getMessage());
 377             }
 378         } else {
 379             logger.warn("Open: Websocket client already running");
 380         }
 381     }
 382
 383     public void close() {
 384         Session session = this.session;
 385         if (session != null) {
 386             String disconnect = "{\"type\":\"connection_terminate\",\"payload\":null}";
 387             try {
 388                 TibberWebSocketListener socket = this.socket;
 389                 if (socket != null) {
 390                     logger.debug("Sending websocket disconnect message");
 391                     socket.sendMessage(disconnect);
 392                 } else {
 393                     logger.warn("Socket unable to send disconnect message: Socket is null");
 394                 }
 395             } catch (IOException e) {
 396                 logger.warn("Websocket Close Exception: {}", e.getMessage());
 397             }
 398             try {
 399                 session.close();
 400             } catch (Exception e) {
 401                 logger.warn("Unable to disconnect session");
 402             }
 403             this.session = null;
 404             this.socket = null;
 405         }
 406         Future<?> sessionFuture = this.sessionFuture;
 407         if (sessionFuture != null && !sessionFuture.isDone()) {
 408             sessionFuture.cancel(true);
 409         }
 410         WebSocketClient client = this.client;
 411         if (client != null) {
 412             try {
 413                 client.stop();
 414             } catch (Exception e) {
 415                 logger.warn("CLOSE FRAME - Failed to stop websocket client: {}", e.getMessage());
 416             }
 417             client.destroy();
 418         }
 419     }
 420
 421     public boolean isConnected() {
 422         Session session = this.session;
 423         return session != null && session.isOpen();
 424     }
 425
 426     @WebSocket
 427     @NonNullByDefault
 428     public class TibberWebSocketListener {
 429
 430         @OnWebSocketConnect
 431         public void onConnect(Session wssession) {
 432             TibberHandler.this.session = wssession;
 433             TibberWebSocketListener socket = TibberHandler.this.socket;
 434             String connection = "{\"type\":\"connection_init\", \"payload\":{\"token\":\"" + tibberConfig.getToken()
 435                     + "\"}}";
 436             try {
 437                 if (socket != null) {
 438                     logger.debug("Sending websocket connect message");
 439                     socket.sendMessage(connection);
 440                 } else {
 441                     logger.debug("Socket unable to send connect message: Socket is null");
 442                 }
 443             } catch (IOException e) {
 444                 logger.warn("Send Message Exception: {}", e.getMessage());
 445             }
 446         }
 447
 448         @OnWebSocketClose
 449         public void onClose(int statusCode, String reason) {
 450             logger.debug("Closing a WebSocket due to {}", reason);
 451             WebSocketClient client = TibberHandler.this.client;
 452             if (client != null && client.isRunning()) {
 453                 try {
 454                     logger.debug("ONCLOSE - Stopping and Terminating Websocket connection");
 455                     client.stop();
 456                 } catch (Exception e) {
 457                     logger.warn("Websocket Client Stop Exception: {}", e.getMessage());
 458                 }
 459             }
 460         }
 461
 462         @OnWebSocketError
 463         public void onWebSocketError(Throwable e) {
 464             String message = e.getMessage();
 465             logger.debug("Error during websocket communication: {}", message);
 466             close();
 467         }
 468
 469         @OnWebSocketMessage
 470         public void onMessage(String message) {
 471             if (message.contains("connection_ack")) {
 472                 logger.debug("Connected to Server");
 473                 startSubscription();
 474             } else if (message.contains("error") || message.contains("terminate")) {
 475                 logger.debug("Error/terminate received from server: {}", message);
 476                 close();
 477             } else if (message.contains("liveMeasurement")) {
 478                 JsonObject object = (JsonObject) JsonParser.parseString(message);
 479                 JsonObject myObject = object.getAsJsonObject("payload").getAsJsonObject("data")
 480                         .getAsJsonObject("liveMeasurement");
 481                 if (myObject.has("timestamp")) {
 482                     String liveTimestamp = myObject.get("timestamp").toString().substring(1, 20);
 483                     updateState(LIVE_TIMESTAMP, new DateTimeType(liveTimestamp));
 484                 }
 485                 if (myObject.has("power")) {
 486                     updateChannel(LIVE_POWER, myObject.get("power").toString());
 487                 }
 488                 if (myObject.has("lastMeterConsumption")) {
 489                     updateChannel(LIVE_LASTMETERCONSUMPTION, myObject.get("lastMeterConsumption").toString());
 490                 }
 491                 if (myObject.has("accumulatedConsumption")) {
 492                     updateChannel(LIVE_ACCUMULATEDCONSUMPTION, myObject.get("accumulatedConsumption").toString());
 493                 }
 494                 if (myObject.has("accumulatedCost")) {
 495                     updateChannel(LIVE_ACCUMULATEDCOST, myObject.get("accumulatedCost").toString());
 496                 }
 497                 if (myObject.has("currency")) {
 498                     updateState(LIVE_CURRENCY, new StringType(myObject.get("currency").toString()));
 499                 }
 500                 if (myObject.has("minPower")) {
 501                     updateChannel(LIVE_MINPOWER, myObject.get("minPower").toString());
 502                 }
 503                 if (myObject.has("averagePower")) {
 504                     updateChannel(LIVE_AVERAGEPOWER, myObject.get("averagePower").toString());
 505                 }
 506                 if (myObject.has("maxPower")) {
 507                     updateChannel(LIVE_MAXPOWER, myObject.get("maxPower").toString());
 508                 }
 509                 if (myObject.has("voltagePhase1")) {
 510                     updateChannel(LIVE_VOLTAGE1, myObject.get("voltagePhase1").toString());
 511                 }
 512                 if (myObject.has("voltagePhase2")) {
 513                     updateChannel(LIVE_VOLTAGE2, myObject.get("voltagePhase2").toString());
 514                 }
 515                 if (myObject.has("voltagePhase3")) {
 516                     updateChannel(LIVE_VOLTAGE3, myObject.get("voltagePhase3").toString());
 517                 }
 518                 if (myObject.has("currentL1")) {
 519                     updateChannel(LIVE_CURRENT1, myObject.get("currentL1").toString());
 520                 }
 521                 if (myObject.has("currentL2")) {
 522                     updateChannel(LIVE_CURRENT2, myObject.get("currentL2").toString());
 523                 }
 524                 if (myObject.has("currentL3")) {
 525                     updateChannel(LIVE_CURRENT3, myObject.get("currentL3").toString());
 526                 }
 527                 if (myObject.has("powerProduction")) {
 528                     updateChannel(LIVE_POWERPRODUCTION, myObject.get("powerProduction").toString());
 529                 }
 530                 if (myObject.has("accumulatedProduction")) {
 531                     updateChannel(LIVE_ACCUMULATEDPRODUCTION, myObject.get("accumulatedProduction").toString());
 532                 }
 533                 if (myObject.has("minPowerProduction")) {
 534                     updateChannel(LIVE_MINPOWERPRODUCTION, myObject.get("minPowerProduction").toString());
 535                 }
 536                 if (myObject.has("maxPowerProduction")) {
 537                     updateChannel(LIVE_MAXPOWERPRODUCTION, myObject.get("maxPowerProduction").toString());
 538                 }
 539             } else {
 540                 logger.debug("Unknown live response from Tibber");
 541             }
 542         }
 543
 544         private void sendMessage(String message) throws IOException {
 545             logger.debug("Send message: {}", message);
 546             Session session = TibberHandler.this.session;
 547             if (session != null) {
 548                 session.getRemote().sendString(message);
 549             }
 550         }
 551
 552         public void startSubscription() {
 553             String query = "{\"id\":\"1\",\"type\":\"subscribe\",\"payload\":{\"variables\":{},\"extensions\":{},\"operationName\":null,\"query\":\"subscription {\\n liveMeasurement(homeId:\\\""
 554                     + tibberConfig.getHomeid()
 555                     + "\\\") {\\n timestamp\\n power\\n lastMeterConsumption\\n accumulatedConsumption\\n accumulatedCost\\n currency\\n minPower\\n averagePower\\n maxPower\\n"
 556                     + "voltagePhase1\\n voltagePhase2\\n voltagePhase3\\n currentL1\\n currentL2\\n currentL3\\n powerProduction\\n accumulatedProduction\\n minPowerProduction\\n maxPowerProduction\\n }\\n }\\n\"}}";
 557             try {
 558                 TibberWebSocketListener socket = TibberHandler.this.socket;
 559                 if (socket != null) {
 560                     socket.sendMessage(query);
 561                 } else {
 562                     logger.debug("Socket unable to send subscription message: Socket is null");
 563                 }
 564             } catch (IOException e) {
 565                 logger.warn("Send Message Exception: {}", e.getMessage());
 566             }
 567         }
 568     }
 569 }