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
  58     if (payload.idTagInfo?.status === OCPP16AuthorizationStatus.ACCEPTED) {
  59       this.chargingStation.getConnector(connectorId).transactionStarted = true;
  60       this.chargingStation.getConnector(connectorId).transactionId = payload.transactionId;
  61       this.chargingStation.getConnector(connectorId).transactionIdTag = requestPayload.idTag;
  62       this.chargingStation.getConnector(connectorId).transactionEnergyActiveImportRegisterValue = 0;
  63       this.chargingStation.getConnector(connectorId).transactionBeginMeterValue = OCPP16ServiceUtils.buildTransactionBeginMeterValue(this.chargingStation, connectorId,
  64         requestPayload.meterStart);
  65       this.chargingStation.getBeginEndMeterValues() && await this.chargingStation.ocppRequestService.sendTransactionBeginMeterValues(connectorId, payload.transactionId,
  66         this.chargingStation.getConnector(connectorId).transactionBeginMeterValue);
  67       await this.chargingStation.ocppRequestService.sendStatusNotification(connectorId, OCPP16ChargePointStatus.CHARGING);
  68       this.chargingStation.getConnector(connectorId).status = OCPP16ChargePointStatus.CHARGING;
  69       logger.info(this.chargingStation.logPrefix() + ' Transaction ' + payload.transactionId.toString() + ' STARTED on ' + this.chargingStation.stationInfo.chargingStationId + '#' + connectorId.toString() + ' for idTag ' + requestPayload.idTag);
  70       if (this.chargingStation.stationInfo.powerSharedByConnectors) {
  71         this.chargingStation.stationInfo.powerDivider++;
  72       }
  73       const configuredMeterValueSampleInterval = this.chargingStation.getConfigurationKey(OCPP16StandardParametersKey.MeterValueSampleInterval);
  74       this.chargingStation.startMeterValues(connectorId, configuredMeterValueSampleInterval ? Utils.convertToInt(configuredMeterValueSampleInterval.value) * 1000 : 60000);
  75     } else {
  76       logger.warn(this.chargingStation.logPrefix() + ' Starting transaction id ' + payload.transactionId.toString() + ' REJECTED with status ' + payload?.idTagInfo?.status + ', idTag ' + requestPayload.idTag);
  77       this.chargingStation.resetTransactionOnConnector(connectorId);
  78       if (this.chargingStation.getConnector(connectorId).status !== OCPP16ChargePointStatus.AVAILABLE) {
  79         await this.chargingStation.ocppRequestService.sendStatusNotification(connectorId, OCPP16ChargePointStatus.AVAILABLE);
  80         this.chargingStation.getConnector(connectorId).status = OCPP16ChargePointStatus.AVAILABLE;
  81       }
  82     }
  83   }
  84
  85   private async handleResponseStopTransaction(payload: OCPP16StopTransactionResponse, requestPayload: StopTransactionRequest): Promise<void> {
  86     let transactionConnectorId: number;
  87     for (const connector in this.chargingStation.connectors) {
  88       if (Utils.convertToInt(connector) > 0 && this.chargingStation.getConnector(Utils.convertToInt(connector))?.transactionId === requestPayload.transactionId) {
  89         transactionConnectorId = Utils.convertToInt(connector);
  90         break;
  91       }
  92     }
  93     if (!transactionConnectorId) {
  94       logger.error(this.chargingStation.logPrefix() + ' Trying to stop a non existing transaction ' + requestPayload.transactionId.toString());
  95       return;
  96     }
  97     if (payload.idTagInfo?.status === OCPP16AuthorizationStatus.ACCEPTED) {
  98       (this.chargingStation.getBeginEndMeterValues() && this.chargingStation.getOutOfOrderEndMeterValues())
  99         && await this.chargingStation.ocppRequestService.sendTransactionEndMeterValues(transactionConnectorId, requestPayload.transactionId,
 100           OCPP16ServiceUtils.buildTransactionEndMeterValue(this.chargingStation, transactionConnectorId, requestPayload.meterStop));
 101       if (!this.chargingStation.isChargingStationAvailable() || !this.chargingStation.isConnectorAvailable(transactionConnectorId)) {
 102         await this.chargingStation.ocppRequestService.sendStatusNotification(transactionConnectorId, OCPP16ChargePointStatus.UNAVAILABLE);
 103         this.chargingStation.getConnector(transactionConnectorId).status = OCPP16ChargePointStatus.UNAVAILABLE;
 104       } else {
 105         await this.chargingStation.ocppRequestService.sendStatusNotification(transactionConnectorId, OCPP16ChargePointStatus.AVAILABLE);
 106         this.chargingStation.getConnector(transactionConnectorId).status = OCPP16ChargePointStatus.AVAILABLE;
 107       }
 108       if (this.chargingStation.stationInfo.powerSharedByConnectors) {
 109         this.chargingStation.stationInfo.powerDivider--;
 110       }
 111       logger.info(this.chargingStation.logPrefix() + ' Transaction ' + requestPayload.transactionId.toString() + ' STOPPED on ' + this.chargingStation.stationInfo.chargingStationId + '#' + transactionConnectorId.toString());
 112       this.chargingStation.resetTransactionOnConnector(transactionConnectorId);
 113     } else {
 114       logger.warn(this.chargingStation.logPrefix() + ' Stopping transaction id ' + requestPayload.transactionId.toString() + ' REJECTED with status ' + payload.idTagInfo?.status);
 115     }
 116   }
 117
 118   private handleResponseStatusNotification(payload: StatusNotificationRequest, requestPayload: StatusNotificationResponse): void {
 119     logger.debug(this.chargingStation.logPrefix() + ' Status notification response received: %j to StatusNotification request: %j', payload, requestPayload);
 120   }
 121
 122   private handleResponseMeterValues(payload: MeterValuesRequest, requestPayload: MeterValuesResponse): void {
 123     logger.debug(this.chargingStation.logPrefix() + ' MeterValues response received: %j to MeterValues request: %j', payload, requestPayload);
 124   }
 125
 126   private handleResponseHeartbeat(payload: HeartbeatResponse, requestPayload: HeartbeatRequest): void {
 127     logger.debug(this.chargingStation.logPrefix() + ' Heartbeat response received: %j to Heartbeat request: %j', payload, requestPayload);
 128   }
 129
 130   private handleResponseAuthorize(payload: OCPP16AuthorizeResponse, requestPayload: AuthorizeRequest): void {
 131     let authorizeConnectorId: number;
 132     for (const connector in this.chargingStation.connectors) {
 133       if (Utils.convertToInt(connector) > 0 && this.chargingStation.getConnector(Utils.convertToInt(connector))?.authorizeIdTag === requestPayload.idTag) {
 134         authorizeConnectorId = Utils.convertToInt(connector);
 135         break;
 136       }
 137     }
 138     if (payload.idTagInfo.status === OCPP16AuthorizationStatus.ACCEPTED) {
 139       this.chargingStation.getConnector(authorizeConnectorId).authorized = true;
 140       logger.debug(`${this.chargingStation.logPrefix()} IdTag ${requestPayload.idTag} authorized on connector ${authorizeConnectorId}`);
 141     } else {
 142       this.chargingStation.getConnector(authorizeConnectorId).authorized = false;
 143       delete this.chargingStation.getConnector(authorizeConnectorId).authorizeIdTag;
 144       logger.debug(`${this.chargingStation.logPrefix()} IdTag ${requestPayload.idTag} refused with status ${payload.idTagInfo.status} on connector ${authorizeConnectorId}`);
 145     }
 146   }
 147 }