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

   1 /**
   2  * Copyright (c) 2010-2020 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.Executor;
  24 import java.util.concurrent.Future;
  25 import java.util.concurrent.ScheduledFuture;
  26 import java.util.concurrent.TimeUnit;
  27
  28 import org.eclipse.jdt.annotation.NonNullByDefault;
  29 import org.eclipse.jdt.annotation.Nullable;
  30 import org.eclipse.jetty.util.ssl.SslContextFactory;
  31 import org.eclipse.jetty.websocket.api.Session;
  32 import org.eclipse.jetty.websocket.api.annotations.OnWebSocketClose;
  33 import org.eclipse.jetty.websocket.api.annotations.OnWebSocketConnect;
  34 import org.eclipse.jetty.websocket.api.annotations.OnWebSocketError;
  35 import org.eclipse.jetty.websocket.api.annotations.OnWebSocketMessage;
  36 import org.eclipse.jetty.websocket.api.annotations.WebSocket;
  37 import org.eclipse.jetty.websocket.client.ClientUpgradeRequest;
  38 import org.eclipse.jetty.websocket.client.WebSocketClient;
  39 import org.openhab.binding.tibber.internal.config.TibberConfiguration;
  40 import org.openhab.core.common.ThreadPoolManager;
  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.slf4j.Logger;
  56 import org.slf4j.LoggerFactory;
  57
  58 import com.google.gson.JsonObject;
  59 import com.google.gson.JsonParser;
  60 import com.google.gson.JsonSyntaxException;
  61
  62 /**
  63  * The {@link TibberHandler} is responsible for handling queries to/from Tibber API.
  64  *
  65  * @author Stian Kjoglum - Initial contribution
  66  */
  67 @NonNullByDefault
  68 public class TibberHandler extends BaseThingHandler {
  69     private static final int REQUEST_TIMEOUT = (int) TimeUnit.SECONDS.toMillis(20);
  70     private final Logger logger = LoggerFactory.getLogger(TibberHandler.class);
  71     private final Properties httpHeader = new Properties();
  72     private final SslContextFactory sslContextFactory = new SslContextFactory(true);
  73     private final Executor websocketExecutor = ThreadPoolManager.getPool("tibber.websocket");
  74     private TibberConfiguration tibberConfig = new TibberConfiguration();
  75     private @Nullable TibberWebSocketListener socket;
  76     private @Nullable Session session;
  77     private @Nullable WebSocketClient client;
  78     private @Nullable ScheduledFuture<?> pollingJob;
  79     private @Nullable Future<?> sessionFuture;
  80     private String rtEnabled = "false";
  81
  82     public TibberHandler(Thing thing) {
  83         super(thing);
  84     }
  85
  86     @Override
  87     public void initialize() {
  88         updateStatus(ThingStatus.UNKNOWN);
  89         tibberConfig = getConfigAs(TibberConfiguration.class);
  90
  91         getTibberParameters();
  92         startRefresh(tibberConfig.getRefresh());
  93     }
  94
  95     @Override
  96     public void handleCommand(ChannelUID channelUID, Command command) {
  97         if (command instanceof RefreshType) {
  98             startRefresh(tibberConfig.getRefresh());
  99         } else {
 100             logger.debug("Tibber API is read-only and does not handle commands");
 101         }
 102     }
 103
 104     public void getTibberParameters() {
 105         try {
 106             httpHeader.put("cache-control", "no-cache");
 107             httpHeader.put("content-type", JSON_CONTENT_TYPE);
 108             httpHeader.put("Authorization", "Bearer " + tibberConfig.getToken());
 109
 110             TibberPriceConsumptionHandler tibberQuery = new TibberPriceConsumptionHandler();
 111             InputStream connectionStream = tibberQuery.connectionInputStream(tibberConfig.getHomeid());
 112             String response = HttpUtil.executeUrl("POST", BASE_URL, httpHeader, connectionStream, null,
 113                     REQUEST_TIMEOUT);
 114
 115             if (!response.contains("error") && !response.contains("<html>")) {
 116                 updateStatus(ThingStatus.ONLINE);
 117
 118                 getURLInput(BASE_URL);
 119
 120                 InputStream inputStream = tibberQuery.getRealtimeInputStream(tibberConfig.getHomeid());
 121                 String jsonResponse = HttpUtil.executeUrl("POST", BASE_URL, httpHeader, inputStream, null,
 122                         REQUEST_TIMEOUT);
 123
 124                 JsonObject object = (JsonObject) new JsonParser().parse(jsonResponse);
 125                 rtEnabled = object.getAsJsonObject("data").getAsJsonObject("viewer").getAsJsonObject("home")
 126                         .getAsJsonObject("features").get("realTimeConsumptionEnabled").toString();
 127
 128                 if ("true".equals(rtEnabled)) {
 129                     logger.debug("Pulse associated with HomeId: Live stream will be started");
 130                     open();
 131                 } else {
 132                     logger.debug("No Pulse associated with HomeId: No live stream will be started");
 133                 }
 134             } else {
 135                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR,
 136                         "Problems connecting/communicating with server: " + response);
 137             }
 138         } catch (IOException | JsonSyntaxException e) {
 139             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR, e.getMessage());
 140         }
 141     }
 142
 143     public void getURLInput(String url) throws IOException {
 144         TibberPriceConsumptionHandler tibberQuery = new TibberPriceConsumptionHandler();
 145
 146         InputStream inputStream = tibberQuery.getInputStream(tibberConfig.getHomeid());
 147         String jsonResponse = HttpUtil.executeUrl("POST", url, httpHeader, inputStream, null, REQUEST_TIMEOUT);
 148         logger.debug("API response: {}", jsonResponse);
 149
 150         if (!jsonResponse.contains("error") && !jsonResponse.contains("<html>")) {
 151             if (getThing().getStatus() == ThingStatus.OFFLINE || getThing().getStatus() == ThingStatus.INITIALIZING) {
 152                 updateStatus(ThingStatus.ONLINE);
 153             }
 154
 155             JsonObject object = (JsonObject) new JsonParser().parse(jsonResponse);
 156
 157             if (jsonResponse.contains("total")) {
 158                 try {
 159                     JsonObject myObject = object.getAsJsonObject("data").getAsJsonObject("viewer")
 160                             .getAsJsonObject("home").getAsJsonObject("currentSubscription").getAsJsonObject("priceInfo")
 161                             .getAsJsonObject("current");
 162
 163                     updateState(CURRENT_TOTAL, new DecimalType(myObject.get("total").toString()));
 164                     String timestamp = myObject.get("startsAt").toString().substring(1, 20);
 165                     updateState(CURRENT_STARTSAT, new DateTimeType(timestamp));
 166
 167                 } catch (JsonSyntaxException e) {
 168                     updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
 169                             "Error communicating with Tibber API: " + e.getMessage());
 170                 }
 171             }
 172             if (jsonResponse.contains("daily")) {
 173                 try {
 174                     JsonObject myObject = (JsonObject) object.getAsJsonObject("data").getAsJsonObject("viewer")
 175                             .getAsJsonObject("home").getAsJsonObject("daily").getAsJsonArray("nodes").get(0);
 176
 177                     String timestampDailyFrom = myObject.get("from").toString().substring(1, 20);
 178                     updateState(DAILY_FROM, new DateTimeType(timestampDailyFrom));
 179
 180                     String timestampDailyTo = myObject.get("to").toString().substring(1, 20);
 181                     updateState(DAILY_TO, new DateTimeType(timestampDailyTo));
 182
 183                     updateChannel(DAILY_COST, myObject.get("cost").toString());
 184                     updateChannel(DAILY_CONSUMPTION, myObject.get("consumption").toString());
 185
 186                 } catch (JsonSyntaxException e) {
 187                     updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
 188                             "Error communicating with Tibber API: " + e.getMessage());
 189                 }
 190             }
 191             if (jsonResponse.contains("hourly")) {
 192                 try {
 193                     JsonObject myObject = (JsonObject) object.getAsJsonObject("data").getAsJsonObject("viewer")
 194                             .getAsJsonObject("home").getAsJsonObject("hourly").getAsJsonArray("nodes").get(0);
 195
 196                     String timestampHourlyFrom = myObject.get("from").toString().substring(1, 20);
 197                     updateState(HOURLY_FROM, new DateTimeType(timestampHourlyFrom));
 198
 199                     String timestampHourlyTo = myObject.get("to").toString().substring(1, 20);
 200                     updateState(HOURLY_TO, new DateTimeType(timestampHourlyTo));
 201
 202                     updateChannel(HOURLY_COST, myObject.get("cost").toString());
 203                     updateChannel(HOURLY_CONSUMPTION, myObject.get("consumption").toString());
 204
 205                 } catch (JsonSyntaxException e) {
 206                     updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
 207                             "Error communicating with Tibber API: " + e.getMessage());
 208                 }
 209             }
 210         } else if (jsonResponse.contains("error")) {
 211             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
 212                     "Error in response from Tibber API: " + jsonResponse);
 213             try {
 214                 Thread.sleep(300 * 1000);
 215                 return;
 216             } catch (InterruptedException e) {
 217                 logger.debug("Tibber OFFLINE, attempting thread sleep: {}", e.getMessage());
 218             }
 219         } else {
 220             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
 221                     "Unexpected response from Tibber: " + jsonResponse);
 222             try {
 223                 Thread.sleep(300 * 1000);
 224                 return;
 225             } catch (InterruptedException e) {
 226                 logger.debug("Tibber OFFLINE, attempting thread sleep: {}", e.getMessage());
 227             }
 228         }
 229     }
 230
 231     public void startRefresh(int refresh) {
 232         if (pollingJob == null) {
 233             pollingJob = scheduler.scheduleWithFixedDelay(() -> {
 234                 try {
 235                     updateRequest();
 236                 } catch (IOException e) {
 237                     logger.warn("IO Exception: {}", e.getMessage());
 238                 }
 239             }, 1, refresh, TimeUnit.MINUTES);
 240         }
 241     }
 242
 243     public void updateRequest() throws IOException {
 244         getURLInput(BASE_URL);
 245         if ("true".equals(rtEnabled) && !isConnected()) {
 246             logger.debug("Attempting to reopen Websocket connection");
 247             open();
 248         }
 249     }
 250
 251     public void updateChannel(String channelID, String channelValue) {
 252         if (!channelValue.contains("null")) {
 253             if (channelID.contains("consumption") || channelID.contains("Consumption")
 254                     || channelID.contains("accumulatedProduction")) {
 255                 updateState(channelID, new QuantityType<>(new BigDecimal(channelValue), Units.KILOWATT_HOUR));
 256             } else if (channelID.contains("power") || channelID.contains("Power")) {
 257                 updateState(channelID, new QuantityType<>(new BigDecimal(channelValue), Units.WATT));
 258             } else if (channelID.contains("voltage")) {
 259                 updateState(channelID, new QuantityType<>(new BigDecimal(channelValue), Units.VOLT));
 260             } else if (channelID.contains("live_current")) {
 261                 updateState(channelID, new QuantityType<>(new BigDecimal(channelValue), Units.AMPERE));
 262             } else {
 263                 updateState(channelID, new DecimalType(channelValue));
 264             }
 265         }
 266     }
 267
 268     public void thingStatusChanged(ThingStatusInfo thingStatusInfo) {
 269         logger.debug("Thing Status updated to {} for device: {}", thingStatusInfo.getStatus(), getThing().getUID());
 270         if (thingStatusInfo.getStatus() != ThingStatus.ONLINE) {
 271             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
 272                     "Unable to communicate with Tibber API");
 273         }
 274     }
 275
 276     @Override
 277     public void dispose() {
 278         ScheduledFuture<?> pollingJob = this.pollingJob;
 279         if (pollingJob != null) {
 280             pollingJob.cancel(true);
 281             this.pollingJob = null;
 282         }
 283         if (isConnected()) {
 284             close();
 285             WebSocketClient client = this.client;
 286             if (client != null) {
 287                 try {
 288                     logger.debug("Stopping and Terminating Websocket connection");
 289                     client.stop();
 290                     client.destroy();
 291                 } catch (Exception e) {
 292                     logger.warn("Websocket Client Stop Exception: {}", e.getMessage());
 293                 }
 294                 this.client = null;
 295             }
 296         }
 297         super.dispose();
 298     }
 299
 300     public void open() {
 301         if (isConnected()) {
 302             logger.debug("Open: connection is already open");
 303         } else {
 304             sslContextFactory.setTrustAll(true);
 305             sslContextFactory.setEndpointIdentificationAlgorithm(null);
 306
 307             WebSocketClient client = this.client;
 308             if (client == null) {
 309                 client = new WebSocketClient(sslContextFactory, websocketExecutor);
 310                 this.client = client;
 311             }
 312
 313             TibberWebSocketListener socket = this.socket;
 314             if (socket == null) {
 315                 socket = new TibberWebSocketListener();
 316                 this.socket = socket;
 317             }
 318
 319             ClientUpgradeRequest newRequest = new ClientUpgradeRequest();
 320             newRequest.setHeader("Authorization", "Bearer " + tibberConfig.getToken());
 321             newRequest.setSubProtocols("graphql-subscriptions");
 322
 323             try {
 324                 logger.debug("Starting Websocket connection");
 325                 client.start();
 326             } catch (Exception e) {
 327                 logger.warn("Websocket Start Exception: {}", e.getMessage());
 328             }
 329             try {
 330                 logger.debug("Connecting Websocket connection");
 331                 sessionFuture = client.connect(socket, new URI(SUBSCRIPTION_URL), newRequest);
 332             } catch (IOException e) {
 333                 logger.warn("Websocket Connect Exception: {}", e.getMessage());
 334             } catch (URISyntaxException e) {
 335                 logger.warn("Websocket URI Exception: {}", e.getMessage());
 336             }
 337         }
 338     }
 339
 340     public void close() {
 341         Session session = this.session;
 342         if (session != null) {
 343             String disconnect = "{\"type\":\"connection_terminate\",\"payload\":null}";
 344             try {
 345                 TibberWebSocketListener socket = this.socket;
 346                 if (socket != null) {
 347                     logger.debug("Sending websocket disconnect message");
 348                     socket.sendMessage(disconnect);
 349                 } else {
 350                     logger.debug("Socket unable to send disconnect message: Socket is null");
 351                 }
 352             } catch (IOException e) {
 353                 logger.warn("Websocket Close Exception: {}", e.getMessage());
 354             }
 355             session.close(0, "Tibber websocket disposed");
 356             this.session = null;
 357             this.socket = null;
 358         }
 359         Future<?> sessionFuture = this.sessionFuture;
 360         if (sessionFuture != null && !sessionFuture.isDone()) {
 361             sessionFuture.cancel(true);
 362         }
 363         WebSocketClient client = this.client;
 364         if (client != null) {
 365             try {
 366                 client.stop();
 367             } catch (Exception e) {
 368                 logger.warn("Failed to stop websocket client: {}", e.getMessage());
 369             }
 370         }
 371     }
 372
 373     public boolean isConnected() {
 374         Session session = this.session;
 375         return session != null && session.isOpen();
 376     }
 377
 378     @WebSocket
 379     @NonNullByDefault
 380     public class TibberWebSocketListener {
 381
 382         @OnWebSocketConnect
 383         public void onConnect(Session wssession) {
 384             TibberHandler.this.session = wssession;
 385             TibberWebSocketListener socket = TibberHandler.this.socket;
 386             String connection = "{\"type\":\"connection_init\", \"payload\":\"token=" + tibberConfig.getToken() + "\"}";
 387             try {
 388                 if (socket != null) {
 389                     logger.debug("Sending websocket connect message");
 390                     socket.sendMessage(connection);
 391                 } else {
 392                     logger.debug("Socket unable to send connect message: Socket is null");
 393                 }
 394             } catch (IOException e) {
 395                 logger.warn("Send Message Exception: {}", e.getMessage());
 396             }
 397         }
 398
 399         @OnWebSocketClose
 400         public void onClose(int statusCode, String reason) {
 401             logger.debug("Closing a WebSocket due to {}", reason);
 402             WebSocketClient client = TibberHandler.this.client;
 403             if (client != null && client.isRunning()) {
 404                 try {
 405                     logger.debug("Stopping and Terminating Websocket connection");
 406                     client.stop();
 407                     client.destroy();
 408                 } catch (Exception e) {
 409                     logger.warn("Websocket Client Stop Exception: {}", e.getMessage());
 410                 }
 411             }
 412             TibberHandler.this.session = null;
 413             TibberHandler.this.client = null;
 414             TibberHandler.this.socket = null;
 415         }
 416
 417         @OnWebSocketError
 418         public void onWebSocketError(Throwable e) {
 419             String message = e.getMessage();
 420             logger.debug("Error during websocket communication: {}", message);
 421             onClose(0, message != null ? message : "null");
 422         }
 423
 424         @OnWebSocketMessage
 425         public void onMessage(String message) {
 426             if (message.contains("connection_ack")) {
 427                 logger.debug("Connected to Server");
 428                 startSubscription();
 429             } else if (message.contains("error") || message.contains("terminate")) {
 430                 logger.debug("Error/terminate received from server: {}", message);
 431                 close();
 432             } else if (message.contains("liveMeasurement")) {
 433                 JsonObject object = (JsonObject) new JsonParser().parse(message);
 434                 JsonObject myObject = object.getAsJsonObject("payload").getAsJsonObject("data")
 435                         .getAsJsonObject("liveMeasurement");
 436                 if (myObject.has("timestamp")) {
 437                     String liveTimestamp = myObject.get("timestamp").toString().substring(1, 20);
 438                     updateState(LIVE_TIMESTAMP, new DateTimeType(liveTimestamp));
 439                 }
 440                 if (myObject.has("power")) {
 441                     updateChannel(LIVE_POWER, myObject.get("power").toString());
 442                 }
 443                 if (myObject.has("lastMeterConsumption")) {
 444                     updateChannel(LIVE_LASTMETERCONSUMPTION, myObject.get("lastMeterConsumption").toString());
 445                 }
 446                 if (myObject.has("accumulatedConsumption")) {
 447                     updateChannel(LIVE_ACCUMULATEDCONSUMPTION, myObject.get("accumulatedConsumption").toString());
 448                 }
 449                 if (myObject.has("accumulatedCost")) {
 450                     updateChannel(LIVE_ACCUMULATEDCOST, myObject.get("accumulatedCost").toString());
 451                 }
 452                 if (myObject.has("currency")) {
 453                     updateState(LIVE_CURRENCY, new StringType(myObject.get("currency").toString()));
 454                 }
 455                 if (myObject.has("minPower")) {
 456                     updateChannel(LIVE_MINPOWER, myObject.get("minPower").toString());
 457                 }
 458                 if (myObject.has("averagePower")) {
 459                     updateChannel(LIVE_AVERAGEPOWER, myObject.get("averagePower").toString());
 460                 }
 461                 if (myObject.has("maxPower")) {
 462                     updateChannel(LIVE_MAXPOWER, myObject.get("maxPower").toString());
 463                 }
 464                 if (myObject.has("voltagePhase1")) {
 465                     updateChannel(LIVE_VOLTAGE1, myObject.get("voltagePhase1").toString());
 466                 }
 467                 if (myObject.has("voltagePhase2")) {
 468                     updateChannel(LIVE_VOLTAGE2, myObject.get("voltagePhase2").toString());
 469                 }
 470                 if (myObject.has("voltagePhase3")) {
 471                     updateChannel(LIVE_VOLTAGE3, myObject.get("voltagePhase3").toString());
 472                 }
 473                 if (myObject.has("currentPhase1")) {
 474                     updateChannel(LIVE_CURRENT1, myObject.get("currentPhase1").toString());
 475                 }
 476                 if (myObject.has("currentPhase2")) {
 477                     updateChannel(LIVE_CURRENT2, myObject.get("currentPhase2").toString());
 478                 }
 479                 if (myObject.has("currentPhase3")) {
 480                     updateChannel(LIVE_CURRENT3, myObject.get("currentPhase3").toString());
 481                 }
 482                 if (myObject.has("powerProduction")) {
 483                     updateChannel(LIVE_POWERPRODUCTION, myObject.get("powerProduction").toString());
 484                 }
 485                 if (myObject.has("accumulatedProduction")) {
 486                     updateChannel(LIVE_ACCUMULATEDPRODUCTION, myObject.get("accumulatedProduction").toString());
 487                 }
 488                 if (myObject.has("minPowerProduction")) {
 489                     updateChannel(LIVE_MINPOWERPRODUCTION, myObject.get("minPowerProduction").toString());
 490                 }
 491                 if (myObject.has("maxPowerProduction")) {
 492                     updateChannel(LIVE_MAXPOWERPRODUCTION, myObject.get("maxPowerProduction").toString());
 493                 }
 494             } else {
 495                 logger.debug("Unknown live response from Tibber");
 496             }
 497         }
 498
 499         private void sendMessage(String message) throws IOException {
 500             logger.debug("Send message: {}", message);
 501             Session session = TibberHandler.this.session;
 502             if (session != null) {
 503                 session.getRemote().sendString(message);
 504             }
 505         }
 506
 507         public void startSubscription() {
 508             String query = "{\"id\":\"1\",\"type\":\"start\",\"payload\":{\"variables\":{},\"extensions\":{},\"operationName\":null,\"query\":\"subscription {\\n liveMeasurement(homeId:\\\""
 509                     + tibberConfig.getHomeid()
 510                     + "\\\") {\\n timestamp\\n power\\n lastMeterConsumption\\n accumulatedConsumption\\n accumulatedCost\\n currency\\n minPower\\n averagePower\\n maxPower\\n"
 511                     + "voltagePhase1\\n voltagePhase2\\n voltagePhase3\\n currentPhase1\\n currentPhase2\\n currentPhase3\\n powerProduction\\n accumulatedProduction\\n minPowerProduction\\n maxPowerProduction\\n }\\n }\\n\"}}";
 512             try {
 513                 TibberWebSocketListener socket = TibberHandler.this.socket;
 514                 if (socket != null) {
 515                     socket.sendMessage(query);
 516                 } else {
 517                     logger.debug("Socket unable to send subscription message: Socket is null");
 518                 }
 519             } catch (IOException e) {
 520                 logger.warn("Send Message Exception: {}", e.getMessage());
 521             }
 522         }
 523     }
 524 }