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
 210                 } catch (JsonSyntaxException e) {
 211                     updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
 212                             "Error communicating with Tibber API: " + e.getMessage());
 213                 }
 214             }
 215             if (jsonResponse.contains("hourly") && !jsonResponse.contains("\"hourly\":{\"nodes\":[]")
 216                     && !jsonResponse.contains("\"hourly\":null")) {
 217                 try {
 218                     JsonObject myObject = (JsonObject) rootJsonObject.getAsJsonObject("data").getAsJsonObject("viewer")
 219                             .getAsJsonObject("home").getAsJsonObject("hourly").getAsJsonArray("nodes").get(0);
 220
 221                     String timestampHourlyFrom = myObject.get("from").toString().substring(1, 20);
 222                     updateState(HOURLY_FROM, new DateTimeType(timestampHourlyFrom));
 223
 224                     String timestampHourlyTo = myObject.get("to").toString().substring(1, 20);
 225                     updateState(HOURLY_TO, new DateTimeType(timestampHourlyTo));
 226
 227                     updateChannel(HOURLY_COST, myObject.get("cost").toString());
 228                     updateChannel(HOURLY_CONSUMPTION, myObject.get("consumption").toString());
 229
 230                 } catch (JsonSyntaxException e) {
 231                     updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
 232                             "Error communicating with Tibber API: " + e.getMessage());
 233                 }
 234             }
 235         } else if (jsonResponse.contains("error")) {
 236             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
 237                     "Error in response from Tibber API: " + jsonResponse);
 238             try {
 239                 Thread.sleep(300 * 1000);
 240                 return;
 241             } catch (InterruptedException e) {
 242                 logger.debug("Tibber OFFLINE, attempting thread sleep: {}", e.getMessage());
 243             }
 244         } else {
 245             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
 246                     "Unexpected response from Tibber: " + jsonResponse);
 247             try {
 248                 Thread.sleep(300 * 1000);
 249                 return;
 250             } catch (InterruptedException e) {
 251                 logger.debug("Tibber OFFLINE, attempting thread sleep: {}", e.getMessage());
 252             }
 253         }
 254     }
 255
 256     public void startRefresh(int refresh) {
 257         if (pollingJob == null) {
 258             pollingJob = scheduler.scheduleWithFixedDelay(() -> {
 259                 try {
 260                     updateRequest();
 261                 } catch (IOException e) {
 262                     logger.warn("IO Exception: {}", e.getMessage());
 263                 }
 264             }, 1, refresh, TimeUnit.MINUTES);
 265         }
 266     }
 267
 268     public void updateRequest() throws IOException {
 269         getURLInput(BASE_URL);
 270         if ("true".equals(rtEnabled) && !isConnected()) {
 271             logger.debug("Attempting to reopen Websocket connection");
 272             open();
 273         }
 274     }
 275
 276     public void updateChannel(String channelID, String channelValue) {
 277         if (!channelValue.contains("null")) {
 278             if (channelID.contains("consumption") || channelID.contains("Consumption")
 279                     || channelID.contains("accumulatedProduction")) {
 280                 updateState(channelID, new QuantityType<>(new BigDecimal(channelValue), Units.KILOWATT_HOUR));
 281             } else if (channelID.contains("power") || channelID.contains("Power")) {
 282                 updateState(channelID, new QuantityType<>(new BigDecimal(channelValue), Units.WATT));
 283             } else if (channelID.contains("voltage")) {
 284                 updateState(channelID, new QuantityType<>(new BigDecimal(channelValue), Units.VOLT));
 285             } else if (channelID.contains("current")) {
 286                 updateState(channelID, new QuantityType<>(new BigDecimal(channelValue), Units.AMPERE));
 287             } else {
 288                 updateState(channelID, new DecimalType(channelValue));
 289             }
 290         }
 291     }
 292
 293     public void thingStatusChanged(ThingStatusInfo thingStatusInfo) {
 294         logger.debug("Thing Status updated to {} for device: {}", thingStatusInfo.getStatus(), getThing().getUID());
 295         if (thingStatusInfo.getStatus() != ThingStatus.ONLINE) {
 296             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
 297                     "Unable to communicate with Tibber API");
 298         }
 299     }
 300
 301     @Override
 302     public void dispose() {
 303         ScheduledFuture<?> pollingJob = this.pollingJob;
 304         if (pollingJob != null) {
 305             pollingJob.cancel(true);
 306             this.pollingJob = null;
 307         }
 308         if (isConnected()) {
 309             close();
 310             WebSocketClient client = this.client;
 311             if (client != null) {
 312                 try {
 313                     logger.debug("DISPOSE - Stopping and Terminating Websocket connection");
 314                     client.stop();
 315                 } catch (Exception e) {
 316                     logger.warn("Websocket Client Stop Exception: {}", e.getMessage());
 317                 }
 318                 client.destroy();
 319                 this.client = null;
 320             }
 321         }
 322         super.dispose();
 323     }
 324
 325     public void open() {
 326         WebSocketClient client = this.client;
 327         if (client == null || !client.isRunning() || !isConnected()) {
 328             if (client != null) {
 329                 try {
 330                     client.stop();
 331                 } catch (Exception e) {
 332                     logger.warn("OPEN FRAME - Failed to stop websocket client: {}", e.getMessage());
 333                 }
 334                 client.destroy();
 335             }
 336             sslContextFactory = new SslContextFactory.Client(true);
 337             sslContextFactory.setTrustAll(true);
 338             sslContextFactory.setEndpointIdentificationAlgorithm(null);
 339
 340             client = new WebSocketClient(new HttpClient(sslContextFactory));
 341             client.setMaxIdleTimeout(30 * 1000);
 342             this.client = client;
 343
 344             TibberWebSocketListener socket = this.socket;
 345             if (socket == null) {
 346                 logger.debug("New socket being created");
 347                 socket = new TibberWebSocketListener();
 348                 this.socket = socket;
 349             }
 350
 351             ClientUpgradeRequest newRequest = new ClientUpgradeRequest();
 352             newRequest.setHeader(HttpHeader.USER_AGENT.asString(),
 353                     "openHAB/Tibber " + versionString + " Tibber driver " + TIBBER_DRIVER);
 354             newRequest.setHeader(HttpHeader.AUTHORIZATION.asString(), "Bearer " + tibberConfig.getToken());
 355             newRequest.setSubProtocols("graphql-transport-ws");
 356
 357             try {
 358                 logger.debug("Starting Websocket connection");
 359                 client.start();
 360             } catch (Exception e) {
 361                 logger.warn("Websocket Start Exception: {}", e.getMessage());
 362             }
 363             try {
 364                 logger.debug("Connecting Websocket connection");
 365                 sessionFuture = client.connect(socket, new URI(subscriptionURL), newRequest);
 366                 try {
 367                     Thread.sleep(10 * 1000);
 368                 } catch (InterruptedException e) {
 369                 }
 370                 if (!isConnected()) {
 371                     logger.warn("Unable to establish websocket session - Reattempting connection on next refresh");
 372                 } else {
 373                     logger.debug("Websocket session established");
 374                 }
 375             } catch (IOException e) {
 376                 logger.warn("Websocket Connect Exception: {}", e.getMessage());
 377             } catch (URISyntaxException e) {
 378                 logger.warn("Websocket URI Exception: {}", e.getMessage());
 379             }
 380         } else {
 381             logger.warn("Open: Websocket client already running");
 382         }
 383     }
 384
 385     public void close() {
 386         Session session = this.session;
 387         if (session != null) {
 388             String disconnect = "{\"type\":\"connection_terminate\",\"payload\":null}";
 389             try {
 390                 TibberWebSocketListener socket = this.socket;
 391                 if (socket != null) {
 392                     logger.debug("Sending websocket disconnect message");
 393                     socket.sendMessage(disconnect);
 394                 } else {
 395                     logger.warn("Socket unable to send disconnect message: Socket is null");
 396                 }
 397             } catch (IOException e) {
 398                 logger.warn("Websocket Close Exception: {}", e.getMessage());
 399             }
 400             try {
 401                 session.close();
 402             } catch (Exception e) {
 403                 logger.warn("Unable to disconnect session");
 404             }
 405             this.session = null;
 406             this.socket = null;
 407         }
 408         Future<?> sessionFuture = this.sessionFuture;
 409         if (sessionFuture != null && !sessionFuture.isDone()) {
 410             sessionFuture.cancel(true);
 411         }
 412         WebSocketClient client = this.client;
 413         if (client != null) {
 414             try {
 415                 client.stop();
 416             } catch (Exception e) {
 417                 logger.warn("CLOSE FRAME - Failed to stop websocket client: {}", e.getMessage());
 418             }
 419             client.destroy();
 420         }
 421     }
 422
 423     public boolean isConnected() {
 424         Session session = this.session;
 425         return session != null && session.isOpen();
 426     }
 427
 428     @WebSocket
 429     @NonNullByDefault
 430     public class TibberWebSocketListener {
 431
 432         @OnWebSocketConnect
 433         public void onConnect(Session wssession) {
 434             TibberHandler.this.session = wssession;
 435             TibberWebSocketListener socket = TibberHandler.this.socket;
 436             String connection = "{\"type\":\"connection_init\", \"payload\":{\"token\":\"" + tibberConfig.getToken()
 437                     + "\"}}";
 438             try {
 439                 if (socket != null) {
 440                     logger.debug("Sending websocket connect message");
 441                     socket.sendMessage(connection);
 442                 } else {
 443                     logger.debug("Socket unable to send connect message: Socket is null");
 444                 }
 445             } catch (IOException e) {
 446                 logger.warn("Send Message Exception: {}", e.getMessage());
 447             }
 448         }
 449
 450         @OnWebSocketClose
 451         public void onClose(int statusCode, String reason) {
 452             logger.debug("Closing a WebSocket due to {}", reason);
 453             WebSocketClient client = TibberHandler.this.client;
 454             if (client != null && client.isRunning()) {
 455                 try {
 456                     logger.debug("ONCLOSE - Stopping and Terminating Websocket connection");
 457                     client.stop();
 458                 } catch (Exception e) {
 459                     logger.warn("Websocket Client Stop Exception: {}", e.getMessage());
 460                 }
 461             }
 462         }
 463
 464         @OnWebSocketError
 465         public void onWebSocketError(Throwable e) {
 466             String message = e.getMessage();
 467             logger.debug("Error during websocket communication: {}", message);
 468             close();
 469         }
 470
 471         @OnWebSocketMessage
 472         public void onMessage(String message) {
 473             if (message.contains("connection_ack")) {
 474                 logger.debug("Connected to Server");
 475                 startSubscription();
 476             } else if (message.contains("error") || message.contains("terminate")) {
 477                 logger.debug("Error/terminate received from server: {}", message);
 478                 close();
 479             } else if (message.contains("liveMeasurement")) {
 480                 JsonObject object = (JsonObject) JsonParser.parseString(message);
 481                 JsonObject myObject = object.getAsJsonObject("payload").getAsJsonObject("data")
 482                         .getAsJsonObject("liveMeasurement");
 483                 if (myObject.has("timestamp")) {
 484                     String liveTimestamp = myObject.get("timestamp").toString().substring(1, 20);
 485                     updateState(LIVE_TIMESTAMP, new DateTimeType(liveTimestamp));
 486                 }
 487                 if (myObject.has("power")) {
 488                     updateChannel(LIVE_POWER, myObject.get("power").toString());
 489                 }
 490                 if (myObject.has("lastMeterConsumption")) {
 491                     updateChannel(LIVE_LASTMETERCONSUMPTION, myObject.get("lastMeterConsumption").toString());
 492                 }
 493                 if (myObject.has("accumulatedConsumption")) {
 494                     updateChannel(LIVE_ACCUMULATEDCONSUMPTION, myObject.get("accumulatedConsumption").toString());
 495                 }
 496                 if (myObject.has("accumulatedCost")) {
 497                     updateChannel(LIVE_ACCUMULATEDCOST, myObject.get("accumulatedCost").toString());
 498                 }
 499                 if (myObject.has("currency")) {
 500                     updateState(LIVE_CURRENCY, new StringType(myObject.get("currency").toString()));
 501                 }
 502                 if (myObject.has("minPower")) {
 503                     updateChannel(LIVE_MINPOWER, myObject.get("minPower").toString());
 504                 }
 505                 if (myObject.has("averagePower")) {
 506                     updateChannel(LIVE_AVERAGEPOWER, myObject.get("averagePower").toString());
 507                 }
 508                 if (myObject.has("maxPower")) {
 509                     updateChannel(LIVE_MAXPOWER, myObject.get("maxPower").toString());
 510                 }
 511                 if (myObject.has("voltagePhase1")) {
 512                     updateChannel(LIVE_VOLTAGE1, myObject.get("voltagePhase1").toString());
 513                 }
 514                 if (myObject.has("voltagePhase2")) {
 515                     updateChannel(LIVE_VOLTAGE2, myObject.get("voltagePhase2").toString());
 516                 }
 517                 if (myObject.has("voltagePhase3")) {
 518                     updateChannel(LIVE_VOLTAGE3, myObject.get("voltagePhase3").toString());
 519                 }
 520                 if (myObject.has("currentL1")) {
 521                     updateChannel(LIVE_CURRENT1, myObject.get("currentL1").toString());
 522                 }
 523                 if (myObject.has("currentL2")) {
 524                     updateChannel(LIVE_CURRENT2, myObject.get("currentL2").toString());
 525                 }
 526                 if (myObject.has("currentL3")) {
 527                     updateChannel(LIVE_CURRENT3, myObject.get("currentL3").toString());
 528                 }
 529                 if (myObject.has("powerProduction")) {
 530                     updateChannel(LIVE_POWERPRODUCTION, myObject.get("powerProduction").toString());
 531                 }
 532                 if (myObject.has("accumulatedProduction")) {
 533                     updateChannel(LIVE_ACCUMULATEDPRODUCTION, myObject.get("accumulatedProduction").toString());
 534                 }
 535                 if (myObject.has("minPowerProduction")) {
 536                     updateChannel(LIVE_MINPOWERPRODUCTION, myObject.get("minPowerProduction").toString());
 537                 }
 538                 if (myObject.has("maxPowerProduction")) {
 539                     updateChannel(LIVE_MAXPOWERPRODUCTION, myObject.get("maxPowerProduction").toString());
 540                 }
 541             } else {
 542                 logger.debug("Unknown live response from Tibber");
 543             }
 544         }
 545
 546         private void sendMessage(String message) throws IOException {
 547             logger.debug("Send message: {}", message);
 548             Session session = TibberHandler.this.session;
 549             if (session != null) {
 550                 session.getRemote().sendString(message);
 551             }
 552         }
 553
 554         public void startSubscription() {
 555             String query = "{\"id\":\"1\",\"type\":\"subscribe\",\"payload\":{\"variables\":{},\"extensions\":{},\"operationName\":null,\"query\":\"subscription {\\n liveMeasurement(homeId:\\\""
 556                     + tibberConfig.getHomeid()
 557                     + "\\\") {\\n timestamp\\n power\\n lastMeterConsumption\\n accumulatedConsumption\\n accumulatedCost\\n currency\\n minPower\\n averagePower\\n maxPower\\n"
 558                     + "voltagePhase1\\n voltagePhase2\\n voltagePhase3\\n currentL1\\n currentL2\\n currentL3\\n powerProduction\\n accumulatedProduction\\n minPowerProduction\\n maxPowerProduction\\n }\\n }\\n\"}}";
 559             try {
 560                 TibberWebSocketListener socket = TibberHandler.this.socket;
 561                 if (socket != null) {
 562                     socket.sendMessage(query);
 563                 } else {
 564                     logger.debug("Socket unable to send subscription message: Socket is null");
 565                 }
 566             } catch (IOException e) {
 567                 logger.warn("Send Message Exception: {}", e.getMessage());
 568             }
 569         }
 570     }
 571 }