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 { OCPP16ServiceUtils } from './OCPP16ServiceUtils';
   8 import { OCPP16StandardParametersKey } from '../../../types/ocpp/1.6/Configuration';
   9 import OCPPResponseService from '../OCPPResponseService';
  10 import Utils from '../../../utils/Utils';
  11 import logger from '../../../utils/Logger';
  12
  13 export default class OCPP16ResponseService extends OCPPResponseService {
  14   public async handleResponse(commandName: OCPP16RequestCommand, payload: Record<string, unknown> | string, requestPayload: Record<string, unknown>): Promise<void> {
  15     const responseCallbackMethodName = `handleResponse${commandName}`;
  16     if (typeof this[responseCallbackMethodName] === 'function') {
  17       await this[responseCallbackMethodName](payload, requestPayload);
  18     } else {
  19       logger.error(this.chargingStation.logPrefix() + ' Trying to call an undefined response callback method: ' + responseCallbackMethodName);
  20     }
  21   }
  22
  23   private handleResponseBootNotification(payload: OCPP16BootNotificationResponse, requestPayload: OCPP16BootNotificationRequest): void {
  24     if (payload.status === OCPP16RegistrationStatus.ACCEPTED) {
  25       this.chargingStation.addConfigurationKey(OCPP16StandardParametersKey.HeartBeatInterval, payload.interval.toString());
  26       this.chargingStation.addConfigurationKey(OCPP16StandardParametersKey.HeartbeatInterval, payload.interval.toString(), false, false);
  27       this.chargingStation.heartbeatSetInterval ? this.chargingStation.restartHeartbeat() : this.chargingStation.startHeartbeat();
  28     } else if (payload.status === OCPP16RegistrationStatus.PENDING) {
  29       logger.info(this.chargingStation.logPrefix() + ' Charging station in pending state on the central server');
  30     } else {
  31       logger.warn(this.chargingStation.logPrefix() + ' Charging station rejected by the central server');
  32     }
  33   }
  34
  35   private async handleResponseStartTransaction(payload: OCPP16StartTransactionResponse, requestPayload: StartTransactionRequest): Promise<void> {
  36     const connectorId = requestPayload.connectorId;
  37
  38     let transactionConnectorId: number;
  39     for (const connector in this.chargingStation.connectors) {
  40       if (Utils.convertToInt(connector) > 0 && Utils.convertToInt(connector) === connectorId) {
  41         transactionConnectorId = Utils.convertToInt(connector);
  42         break;
  43       }
  44     }
  45     if (!transactionConnectorId) {
  46       logger.error(this.chargingStation.logPrefix() + ' Trying to start a transaction on a non existing connector Id ' + connectorId.toString());
  47       return;
  48     }
  49     if (this.chargingStation.getConnector(connectorId).authorized && this.chargingStation.getConnector(connectorId).authorizeIdTag !== requestPayload.idTag) {
  50       logger.error(this.chargingStation.logPrefix() + ' Trying to start a transaction with an idTag ' + requestPayload.idTag + ' different from the authorize request one ' + this.chargingStation.getConnector(connectorId).authorizeIdTag + ' on connector Id ' + connectorId.toString());
  51       return;
  52     }
  53     if (this.chargingStation.getConnector(connectorId)?.transactionStarted) {
  54       logger.debug(this.chargingStation.logPrefix() + ' Trying to start a transaction on an already used connector ' + connectorId.toString() + ': %j', this.chargingStation.getConnector(connectorId));
  55       return;
  56     }
  57     if (this.chargingStation.getConnector(connectorId)?.status !== OCPP16ChargePointStatus.AVAILABLE) {
  58       logger.error(`${this.chargingStation.logPrefix()} Trying to start a transaction on connector ${connectorId.toString()} with status ${this.chargingStation.getConnector(connectorId)?.status}`);
  59       return;
  60     }
  61     if (!Number.isInteger(payload.transactionId)) {
  62       logger.warn(`${this.chargingStation.logPrefix()} Trying to start a transaction on connector ${connectorId.toString()} with a non integer transaction Id ${payload.transactionId}, converting to integer`);
  63       payload.transactionId = Utils.convertToInt(payload.transactionId);
  64     }
  65
  66     if (payload.idTagInfo?.status === OCPP16AuthorizationStatus.ACCEPTED) {
  67       this.chargingStation.getConnector(connectorId).transactionStarted = true;
  68       this.chargingStation.getConnector(connectorId).transactionId = payload.transactionId;
  69       this.chargingStation.getConnector(connectorId).transactionIdTag = requestPayload.idTag;
  70       this.chargingStation.getConnector(connectorId).transactionEnergyActiveImportRegisterValue = 0;
  71       this.chargingStation.getConnector(connectorId).transactionBeginMeterValue = OCPP16ServiceUtils.buildTransactionBeginMeterValue(this.chargingStation, connectorId,
  72         requestPayload.meterStart);
  73       this.chargingStation.getBeginEndMeterValues() && await this.chargingStation.ocppRequestService.sendTransactionBeginMeterValues(connectorId, payload.transactionId,
  74         this.chargingStation.getConnector(connectorId).transactionBeginMeterValue);
  75       await this.chargingStation.ocppRequestService.sendStatusNotification(connectorId, OCPP16ChargePointStatus.CHARGING);
  76       this.chargingStation.getConnector(connectorId).status = OCPP16ChargePointStatus.CHARGING;
  77       logger.info(this.chargingStation.logPrefix() + ' Transaction ' + payload.transactionId.toString() + ' STARTED on ' + this.chargingStation.stationInfo.chargingStationId + '#' + connectorId.toString() + ' for idTag ' + requestPayload.idTag);
  78       if (this.chargingStation.stationInfo.powerSharedByConnectors) {
  79         this.chargingStation.stationInfo.powerDivider++;
  80       }
  81       const configuredMeterValueSampleInterval = this.chargingStation.getConfigurationKey(OCPP16StandardParametersKey.MeterValueSampleInterval);
  82       this.chargingStation.startMeterValues(connectorId, configuredMeterValueSampleInterval ? Utils.convertToInt(configuredMeterValueSampleInterval.value) * 1000 : 60000);
  83     } else {
  84       logger.warn(this.chargingStation.logPrefix() + ' Starting transaction id ' + payload.transactionId.toString() + ' REJECTED with status ' + payload?.idTagInfo?.status + ', idTag ' + requestPayload.idTag);
  85       this.chargingStation.resetTransactionOnConnector(connectorId);
  86       if (this.chargingStation.getConnector(connectorId).status !== OCPP16ChargePointStatus.AVAILABLE) {
  87         await this.chargingStation.ocppRequestService.sendStatusNotification(connectorId, OCPP16ChargePointStatus.AVAILABLE);
  88         this.chargingStation.getConnector(connectorId).status = OCPP16ChargePointStatus.AVAILABLE;
  89       }
  90     }
  91   }
  92
  93   private async handleResponseStopTransaction(payload: OCPP16StopTransactionResponse, requestPayload: StopTransactionRequest): Promise<void> {
  94     let transactionConnectorId: number;
  95     for (const connector in this.chargingStation.connectors) {
  96       if (Utils.convertToInt(connector) > 0 && this.chargingStation.getConnector(Utils.convertToInt(connector))?.transactionId === requestPayload.transactionId) {
  97         transactionConnectorId = Utils.convertToInt(connector);
  98         break;
  99       }
 100     }
 101     if (!transactionConnectorId) {
 102       logger.error(this.chargingStation.logPrefix() + ' Trying to stop a non existing transaction ' + requestPayload.transactionId.toString());
 103       return;
 104     }
 105     if (payload.idTagInfo?.status === OCPP16AuthorizationStatus.ACCEPTED) {
 106       (this.chargingStation.getBeginEndMeterValues() && this.chargingStation.getOutOfOrderEndMeterValues())
 107         && await this.chargingStation.ocppRequestService.sendTransactionEndMeterValues(transactionConnectorId, requestPayload.transactionId,
 108           OCPP16ServiceUtils.buildTransactionEndMeterValue(this.chargingStation, transactionConnectorId, requestPayload.meterStop));
 109       if (!this.chargingStation.isChargingStationAvailable() || !this.chargingStation.isConnectorAvailable(transactionConnectorId)) {
 110         await this.chargingStation.ocppRequestService.sendStatusNotification(transactionConnectorId, OCPP16ChargePointStatus.UNAVAILABLE);
 111         this.chargingStation.getConnector(transactionConnectorId).status = OCPP16ChargePointStatus.UNAVAILABLE;
 112       } else {
 113         await this.chargingStation.ocppRequestService.sendStatusNotification(transactionConnectorId, OCPP16ChargePointStatus.AVAILABLE);
 114         this.chargingStation.getConnector(transactionConnectorId).status = OCPP16ChargePointStatus.AVAILABLE;
 115       }
 116       if (this.chargingStation.stationInfo.powerSharedByConnectors) {
 117         this.chargingStation.stationInfo.powerDivider--;
 118       }
 119       logger.info(this.chargingStation.logPrefix() + ' Transaction ' + requestPayload.transactionId.toString() + ' STOPPED on ' + this.chargingStation.stationInfo.chargingStationId + '#' + transactionConnectorId.toString());
 120       this.chargingStation.resetTransactionOnConnector(transactionConnectorId);
 121     } else {
 122       logger.warn(this.chargingStation.logPrefix() + ' Stopping transaction id ' + requestPayload.transactionId.toString() + ' REJECTED with status ' + payload.idTagInfo?.status);
 123     }
 124   }
 125
 126   private handleResponseStatusNotification(payload: StatusNotificationRequest, requestPayload: StatusNotificationResponse): void {
 127     logger.debug(this.chargingStation.logPrefix() + ' Status notification response received: %j to StatusNotification request: %j', payload, requestPayload);
 128   }
 129
 130   private handleResponseMeterValues(payload: MeterValuesRequest, requestPayload: MeterValuesResponse): void {
 131     logger.debug(this.chargingStation.logPrefix() + ' MeterValues response received: %j to MeterValues request: %j', payload, requestPayload);
 132   }
 133
 134   private handleResponseHeartbeat(payload: HeartbeatResponse, requestPayload: HeartbeatRequest): void {
 135     logger.debug(this.chargingStation.logPrefix() + ' Heartbeat response received: %j to Heartbeat request: %j', payload, requestPayload);
 136   }
 137
 138   private handleResponseAuthorize(payload: OCPP16AuthorizeResponse, requestPayload: AuthorizeRequest): void {
 139     let authorizeConnectorId: number;
 140     for (const connector in this.chargingStation.connectors) {
 141       if (Utils.convertToInt(connector) > 0 && this.chargingStation.getConnector(Utils.convertToInt(connector))?.authorizeIdTag === requestPayload.idTag) {
 142         authorizeConnectorId = Utils.convertToInt(connector);
 143         break;
 144       }
 145     }
 146     if (payload.idTagInfo.status === OCPP16AuthorizationStatus.ACCEPTED) {
 147       this.chargingStation.getConnector(authorizeConnectorId).authorized = true;
 148       logger.debug(`${this.chargingStation.logPrefix()} IdTag ${requestPayload.idTag} authorized on connector ${authorizeConnectorId}`);
 149     } else {
 150       this.chargingStation.getConnector(authorizeConnectorId).authorized = false;
 151       delete this.chargingStation.getConnector(authorizeConnectorId).authorizeIdTag;
 152       logger.debug(`${this.chargingStation.logPrefix()} IdTag ${requestPayload.idTag} refused with status ${payload.idTagInfo.status} on connector ${authorizeConnectorId}`);
 153     }
 154   }
 155 }