src/charging-station/ocpp/1.6/OCPP16ResponseService.ts

   1 import { AuthorizeRequest, OCPP16AuthorizationStatus, OCPP16AuthorizeResponse, OCPP16StartTransactionResponse, OCPP16StopTransactionResponse, StartTransactionRequest, StopTransactionRequest } from '../../../types/ocpp/1.6/Transaction';
   2 import { HeartbeatRequest, OCPP16BootNotificationRequest, OCPP16RequestCommand, StatusNotificationRequest } from '../../../types/ocpp/1.6/Requests';
   3 import { HeartbeatResponse, OCPP16BootNotificationResponse, OCPP16RegistrationStatus, StatusNotificationResponse } from '../../../types/ocpp/1.6/Responses';
   4 import { MeterValuesRequest, MeterValuesResponse } from '../../../types/ocpp/1.6/MeterValues';
   5
   6 import { OCPP16ChargePointStatus } from '../../../types/ocpp/1.6/ChargePointStatus';
   7 import { OCPP16StandardParametersKey } from '../../../types/ocpp/1.6/Configuration';
   8 import OCPPResponseService from '../OCPPResponseService';
   9 import Utils from '../../../utils/Utils';
  10 import logger from '../../../utils/Logger';
  11
  12 export default class OCPP16ResponseService extends OCPPResponseService {
  13   public async handleResponse(commandName: OCPP16RequestCommand, payload: Record<string, unknown> | string, requestPayload: Record<string, unknown>): Promise<void> {
  14     const responseCallbackMethodName = `handleResponse${commandName}`;
  15     if (typeof this[responseCallbackMethodName] === 'function') {
  16       await this[responseCallbackMethodName](payload, requestPayload);
  17     } else {
  18       logger.error(this.chargingStation.logPrefix() + ' Trying to call an undefined response callback method: ' + responseCallbackMethodName);
  19     }
  20   }
  21
  22   private handleResponseBootNotification(payload: OCPP16BootNotificationResponse, requestPayload: OCPP16BootNotificationRequest): void {
  23     if (payload.status === OCPP16RegistrationStatus.ACCEPTED) {
  24       this.chargingStation.addConfigurationKey(OCPP16StandardParametersKey.HeartBeatInterval, payload.interval.toString());
  25       this.chargingStation.addConfigurationKey(OCPP16StandardParametersKey.HeartbeatInterval, payload.interval.toString(), false, false);
  26       this.chargingStation.heartbeatSetInterval ? this.chargingStation.restartHeartbeat() : this.chargingStation.startHeartbeat();
  27     } else if (payload.status === OCPP16RegistrationStatus.PENDING) {
  28       logger.info(this.chargingStation.logPrefix() + ' Charging station in pending state on the central server');
  29     } else {
  30       logger.warn(this.chargingStation.logPrefix() + ' Charging station rejected by the central server');
  31     }
  32   }
  33
  34   private async handleResponseStartTransaction(payload: OCPP16StartTransactionResponse, requestPayload: StartTransactionRequest): Promise<void> {
  35     const connectorId = requestPayload.connectorId;
  36
  37     let transactionConnectorId: number;
  38     for (const connector in this.chargingStation.connectors) {
  39       if (Utils.convertToInt(connector) > 0 && Utils.convertToInt(connector) === connectorId) {
  40         transactionConnectorId = Utils.convertToInt(connector);
  41         break;
  42       }
  43     }
  44     if (!transactionConnectorId) {
  45       logger.error(this.chargingStation.logPrefix() + ' Trying to start a transaction on a non existing connector Id ' + connectorId.toString());
  46       return;
  47     }
  48     if (this.chargingStation.getConnector(connectorId)?.transactionStarted) {
  49       logger.debug(this.chargingStation.logPrefix() + ' Trying to start a transaction on an already used connector ' + connectorId.toString() + ': %j', this.chargingStation.getConnector(connectorId));
  50       return;
  51     }
  52
  53     if (payload.idTagInfo?.status === OCPP16AuthorizationStatus.ACCEPTED) {
  54       this.chargingStation.getConnector(connectorId).transactionStarted = true;
  55       this.chargingStation.getConnector(connectorId).transactionId = payload.transactionId;
  56       this.chargingStation.getConnector(connectorId).idTag = requestPayload.idTag;
  57       this.chargingStation.getConnector(connectorId).lastEnergyActiveImportRegisterValue = 0;
  58       await this.chargingStation.ocppRequestService.sendStatusNotification(connectorId, OCPP16ChargePointStatus.CHARGING);
  59       this.chargingStation.getConnector(connectorId).status = OCPP16ChargePointStatus.CHARGING;
  60       logger.info(this.chargingStation.logPrefix() + ' Transaction ' + payload.transactionId.toString() + ' STARTED on ' + this.chargingStation.stationInfo.chargingStationId + '#' + connectorId.toString() + ' for idTag ' + requestPayload.idTag);
  61       if (this.chargingStation.stationInfo.powerSharedByConnectors) {
  62         this.chargingStation.stationInfo.powerDivider++;
  63       }
  64       const configuredMeterValueSampleInterval = this.chargingStation.getConfigurationKey(OCPP16StandardParametersKey.MeterValueSampleInterval);
  65       this.chargingStation.startMeterValues(connectorId, configuredMeterValueSampleInterval ? Utils.convertToInt(configuredMeterValueSampleInterval.value) * 1000 : 60000);
  66     } else {
  67       logger.warn(this.chargingStation.logPrefix() + ' Starting transaction id ' + payload.transactionId.toString() + ' REJECTED with status ' + payload?.idTagInfo?.status + ', idTag ' + requestPayload.idTag);
  68       this.chargingStation.resetTransactionOnConnector(connectorId);
  69       await this.chargingStation.ocppRequestService.sendStatusNotification(connectorId, OCPP16ChargePointStatus.AVAILABLE);
  70       this.chargingStation.getConnector(connectorId).status = OCPP16ChargePointStatus.AVAILABLE;
  71     }
  72   }
  73
  74   private async handleResponseStopTransaction(payload: OCPP16StopTransactionResponse, requestPayload: StopTransactionRequest): Promise<void> {
  75     let transactionConnectorId: number;
  76     for (const connector in this.chargingStation.connectors) {
  77       if (Utils.convertToInt(connector) > 0 && this.chargingStation.getConnector(Utils.convertToInt(connector))?.transactionId === requestPayload.transactionId) {
  78         transactionConnectorId = Utils.convertToInt(connector);
  79         break;
  80       }
  81     }
  82     if (!transactionConnectorId) {
  83       logger.error(this.chargingStation.logPrefix() + ' Trying to stop a non existing transaction ' + requestPayload.transactionId.toString());
  84       return;
  85     }
  86     if (payload.idTagInfo?.status === OCPP16AuthorizationStatus.ACCEPTED) {
  87       if (!this.chargingStation.isChargingStationAvailable() || !this.chargingStation.isConnectorAvailable(transactionConnectorId)) {
  88         await this.chargingStation.ocppRequestService.sendStatusNotification(transactionConnectorId, OCPP16ChargePointStatus.UNAVAILABLE);
  89         this.chargingStation.getConnector(transactionConnectorId).status = OCPP16ChargePointStatus.UNAVAILABLE;
  90       } else {
  91         await this.chargingStation.ocppRequestService.sendStatusNotification(transactionConnectorId, OCPP16ChargePointStatus.AVAILABLE);
  92         this.chargingStation.getConnector(transactionConnectorId).status = OCPP16ChargePointStatus.AVAILABLE;
  93       }
  94       if (this.chargingStation.stationInfo.powerSharedByConnectors) {
  95         this.chargingStation.stationInfo.powerDivider--;
  96       }
  97       logger.info(this.chargingStation.logPrefix() + ' Transaction ' + requestPayload.transactionId.toString() + ' STOPPED on ' + this.chargingStation.stationInfo.chargingStationId + '#' + transactionConnectorId.toString());
  98       this.chargingStation.resetTransactionOnConnector(transactionConnectorId);
  99     } else {
 100       logger.warn(this.chargingStation.logPrefix() + ' Stopping transaction id ' + requestPayload.transactionId.toString() + ' REJECTED with status ' + payload.idTagInfo?.status);
 101     }
 102   }
 103
 104   private handleResponseStatusNotification(payload: StatusNotificationRequest, requestPayload: StatusNotificationResponse): void {
 105     logger.debug(this.chargingStation.logPrefix() + ' Status notification response received: %j to StatusNotification request: %j', payload, requestPayload);
 106   }
 107
 108   private handleResponseMeterValues(payload: MeterValuesRequest, requestPayload: MeterValuesResponse): void {
 109     logger.debug(this.chargingStation.logPrefix() + ' MeterValues response received: %j to MeterValues request: %j', payload, requestPayload);
 110   }
 111
 112   private handleResponseHeartbeat(payload: HeartbeatResponse, requestPayload: HeartbeatRequest): void {
 113     logger.debug(this.chargingStation.logPrefix() + ' Heartbeat response received: %j to Heartbeat request: %j', payload, requestPayload);
 114   }
 115
 116   private handleResponseAuthorize(payload: OCPP16AuthorizeResponse, requestPayload: AuthorizeRequest): void {
 117     logger.debug(this.chargingStation.logPrefix() + ' Authorize response received: %j to Authorize request: %j', payload, requestPayload);
 118   }
 119 }