import BaseError from '../exception/BaseError';
-import { RequestCommand } from '../types/ocpp/Requests';
+import type OCPPError from '../exception/OCPPError';
+import { StandardParametersKey } from '../types/ocpp/Configuration';
+import {
+ HeartbeatRequest,
+ MeterValuesRequest,
+ RequestCommand,
+ type StatusNotificationRequest,
+} from '../types/ocpp/Requests';
+import type {
+ HeartbeatResponse,
+ MeterValuesResponse,
+ StatusNotificationResponse,
+} from '../types/ocpp/Responses';
import {
AuthorizationStatus,
+ AuthorizeRequest,
+ AuthorizeResponse,
StartTransactionRequest,
StartTransactionResponse,
- StopTransactionReason,
StopTransactionRequest,
StopTransactionResponse,
} from '../types/ocpp/Transaction';
BroadcastChannelResponsePayload,
MessageEvent,
} from '../types/WorkerBroadcastChannel';
-import { ResponseStatus } from '../ui/web/src/type/UIProtocol';
+import { ResponseStatus } from '../ui/web/src/types/UIProtocol';
+import Constants from '../utils/Constants';
import logger from '../utils/Logger';
+import Utils from '../utils/Utils';
import type ChargingStation from './ChargingStation';
+import { ChargingStationConfigurationUtils } from './ChargingStationConfigurationUtils';
+import { OCPP16ServiceUtils } from './ocpp/1.6/OCPP16ServiceUtils';
import WorkerBroadcastChannel from './WorkerBroadcastChannel';
const moduleName = 'ChargingStationWorkerBroadcastChannel';
-type CommandResponse = StartTransactionResponse | StopTransactionResponse;
+type CommandResponse =
+ | StartTransactionResponse
+ | StopTransactionResponse
+ | AuthorizeResponse
+ | StatusNotificationResponse
+ | HeartbeatResponse
+ | MeterValuesResponse;
+
+type CommandHandler = (
+ requestPayload?: BroadcastChannelRequestPayload
+) => Promise<CommandResponse | void> | void;
export default class ChargingStationWorkerBroadcastChannel extends WorkerBroadcastChannel {
+ private readonly commandHandlers: Map<BroadcastChannelProcedureName, CommandHandler>;
+
private readonly chargingStation: ChargingStation;
constructor(chargingStation: ChargingStation) {
super();
+ this.commandHandlers = new Map<BroadcastChannelProcedureName, CommandHandler>([
+ [BroadcastChannelProcedureName.START_CHARGING_STATION, () => this.chargingStation.start()],
+ [
+ BroadcastChannelProcedureName.STOP_CHARGING_STATION,
+ async () => this.chargingStation.stop(),
+ ],
+ [
+ BroadcastChannelProcedureName.OPEN_CONNECTION,
+ () => this.chargingStation.openWSConnection(),
+ ],
+ [
+ BroadcastChannelProcedureName.CLOSE_CONNECTION,
+ () => this.chargingStation.closeWSConnection(),
+ ],
+ [
+ BroadcastChannelProcedureName.START_AUTOMATIC_TRANSACTION_GENERATOR,
+ (requestPayload?: BroadcastChannelRequestPayload) =>
+ this.chargingStation.startAutomaticTransactionGenerator(requestPayload.connectorIds),
+ ],
+ [
+ BroadcastChannelProcedureName.STOP_AUTOMATIC_TRANSACTION_GENERATOR,
+ (requestPayload?: BroadcastChannelRequestPayload) =>
+ this.chargingStation.stopAutomaticTransactionGenerator(requestPayload.connectorIds),
+ ],
+ [
+ BroadcastChannelProcedureName.START_TRANSACTION,
+ async (requestPayload?: BroadcastChannelRequestPayload) =>
+ this.chargingStation.ocppRequestService.requestHandler<
+ StartTransactionRequest,
+ StartTransactionResponse
+ >(this.chargingStation, RequestCommand.START_TRANSACTION, requestPayload),
+ ],
+ [
+ BroadcastChannelProcedureName.STOP_TRANSACTION,
+ async (requestPayload?: BroadcastChannelRequestPayload) =>
+ this.chargingStation.ocppRequestService.requestHandler<
+ StopTransactionRequest,
+ StartTransactionResponse
+ >(this.chargingStation, RequestCommand.STOP_TRANSACTION, {
+ ...requestPayload,
+ meterStop:
+ requestPayload.meterStop ??
+ this.chargingStation.getEnergyActiveImportRegisterByTransactionId(
+ requestPayload.transactionId,
+ true
+ ),
+ }),
+ ],
+ [
+ BroadcastChannelProcedureName.AUTHORIZE,
+ async (requestPayload?: BroadcastChannelRequestPayload) =>
+ this.chargingStation.ocppRequestService.requestHandler<
+ AuthorizeRequest,
+ AuthorizeResponse
+ >(this.chargingStation, RequestCommand.AUTHORIZE, requestPayload),
+ ],
+ [
+ BroadcastChannelProcedureName.STATUS_NOTIFICATION,
+ async (requestPayload?: BroadcastChannelRequestPayload) =>
+ this.chargingStation.ocppRequestService.requestHandler<
+ StatusNotificationRequest,
+ StatusNotificationResponse
+ >(this.chargingStation, RequestCommand.STATUS_NOTIFICATION, requestPayload),
+ ],
+ [
+ BroadcastChannelProcedureName.HEARTBEAT,
+ async (requestPayload?: BroadcastChannelRequestPayload) =>
+ this.chargingStation.ocppRequestService.requestHandler<
+ HeartbeatRequest,
+ HeartbeatResponse
+ >(this.chargingStation, RequestCommand.HEARTBEAT, requestPayload),
+ ],
+ [
+ BroadcastChannelProcedureName.METER_VALUES,
+ async (requestPayload?: BroadcastChannelRequestPayload) => {
+ const configuredMeterValueSampleInterval =
+ ChargingStationConfigurationUtils.getConfigurationKey(
+ chargingStation,
+ StandardParametersKey.MeterValueSampleInterval
+ );
+ return this.chargingStation.ocppRequestService.requestHandler<
+ MeterValuesRequest,
+ MeterValuesResponse
+ >(this.chargingStation, RequestCommand.METER_VALUES, {
+ ...requestPayload,
+ meterValue: requestPayload.meterValue ?? [
+ OCPP16ServiceUtils.buildMeterValue(
+ this.chargingStation,
+ requestPayload.connectorId,
+ this.chargingStation.getConnectorStatus(requestPayload.connectorId)?.transactionId,
+ configuredMeterValueSampleInterval
+ ? Utils.convertToInt(configuredMeterValueSampleInterval.value) * 1000
+ : Constants.DEFAULT_METER_VALUES_INTERVAL
+ ),
+ ],
+ });
+ },
+ ],
+ ]);
this.chargingStation = chargingStation;
this.onmessage = this.requestHandler.bind(this) as (message: MessageEvent) => void;
this.onmessageerror = this.messageErrorHandler.bind(this) as (message: MessageEvent) => void;
}
private async requestHandler(messageEvent: MessageEvent): Promise<void> {
- if (this.isResponse(messageEvent.data)) {
+ const validatedMessageEvent = this.validateMessageEvent(messageEvent);
+ if (validatedMessageEvent === false) {
return;
}
- if (Array.isArray(messageEvent.data) === false) {
- throw new BaseError('Worker broadcast channel protocol request is not an array');
- }
-
- const [uuid, command, requestPayload] = messageEvent.data as BroadcastChannelRequest;
-
- if (
- requestPayload?.hashId === undefined &&
- (requestPayload?.hashIds as string[])?.includes(this.chargingStation.hashId) === false
- ) {
+ if (this.isResponse(validatedMessageEvent.data) === true) {
return;
}
+ const [uuid, command, requestPayload] = validatedMessageEvent.data as BroadcastChannelRequest;
+
if (
- requestPayload?.hashIds === undefined &&
- requestPayload?.hashId !== this.chargingStation.hashId
+ requestPayload?.hashIds !== undefined &&
+ requestPayload?.hashIds?.includes(this.chargingStation.stationInfo.hashId) === false
) {
return;
}
if (requestPayload?.hashId !== undefined) {
- logger.warn(
+ logger.error(
`${this.chargingStation.logPrefix()} ${moduleName}.requestHandler: 'hashId' field usage in PDU is deprecated, use 'hashIds' instead`
);
+ return;
}
-
let responsePayload: BroadcastChannelResponsePayload;
- let commandResponse: CommandResponse;
+ let commandResponse: CommandResponse | void;
try {
commandResponse = await this.commandHandler(command, requestPayload);
- if (commandResponse === undefined) {
- responsePayload = { status: ResponseStatus.SUCCESS };
+ if (commandResponse === undefined || commandResponse === null) {
+ responsePayload = {
+ hashId: this.chargingStation.stationInfo.hashId,
+ status: ResponseStatus.SUCCESS,
+ };
} else {
- responsePayload = { status: this.commandResponseToResponseStatus(commandResponse) };
+ responsePayload = this.commandResponseToResponsePayload(
+ command,
+ requestPayload,
+ commandResponse as CommandResponse
+ );
}
} catch (error) {
logger.error(
error
);
responsePayload = {
+ hashId: this.chargingStation.stationInfo.hashId,
status: ResponseStatus.FAILURE,
command,
requestPayload,
- commandResponse,
+ commandResponse: commandResponse as CommandResponse,
errorMessage: (error as Error).message,
errorStack: (error as Error).stack,
+ errorDetails: (error as OCPPError).details,
};
+ } finally {
+ this.sendResponse([uuid, responsePayload]);
}
- this.sendResponse([uuid, responsePayload]);
}
private messageErrorHandler(messageEvent: MessageEvent): void {
logger.error(
`${this.chargingStation.logPrefix()} ${moduleName}.messageErrorHandler: Error at handling message:`,
- { messageEvent, messageEventData: messageEvent.data }
+ { messageEvent }
);
}
private async commandHandler(
command: BroadcastChannelProcedureName,
requestPayload: BroadcastChannelRequestPayload
- ): Promise<CommandResponse | undefined> {
+ ): Promise<CommandResponse | void> {
+ if (this.commandHandlers.has(command) === true) {
+ this.cleanRequestPayload(command, requestPayload);
+ return this.commandHandlers.get(command)(requestPayload);
+ }
+ throw new BaseError(`Unknown worker broadcast channel command: ${command}`);
+ }
+
+ private cleanRequestPayload(
+ command: BroadcastChannelProcedureName,
+ requestPayload: BroadcastChannelRequestPayload
+ ): void {
+ delete requestPayload.hashId;
+ delete requestPayload.hashIds;
+ [
+ BroadcastChannelProcedureName.START_AUTOMATIC_TRANSACTION_GENERATOR,
+ BroadcastChannelProcedureName.STOP_AUTOMATIC_TRANSACTION_GENERATOR,
+ ].includes(command) === false && delete requestPayload.connectorIds;
+ }
+
+ private commandResponseToResponsePayload(
+ command: BroadcastChannelProcedureName,
+ requestPayload: BroadcastChannelRequestPayload,
+ commandResponse: CommandResponse
+ ): BroadcastChannelResponsePayload {
+ const responseStatus = this.commandResponseToResponseStatus(command, commandResponse);
+ if (responseStatus === ResponseStatus.SUCCESS) {
+ return {
+ hashId: this.chargingStation.stationInfo.hashId,
+ status: responseStatus,
+ };
+ }
+ return {
+ hashId: this.chargingStation.stationInfo.hashId,
+ status: responseStatus,
+ command,
+ requestPayload,
+ commandResponse,
+ };
+ }
+
+ private commandResponseToResponseStatus(
+ command: BroadcastChannelProcedureName,
+ commandResponse: CommandResponse
+ ): ResponseStatus {
switch (command) {
case BroadcastChannelProcedureName.START_TRANSACTION:
- return this.chargingStation.ocppRequestService.requestHandler<
- StartTransactionRequest,
- StartTransactionResponse
- >(this.chargingStation, RequestCommand.START_TRANSACTION, {
- connectorId: requestPayload.connectorId,
- idTag: requestPayload.idTag,
- });
case BroadcastChannelProcedureName.STOP_TRANSACTION:
- return this.chargingStation.ocppRequestService.requestHandler<
- StopTransactionRequest,
- StopTransactionResponse
- >(this.chargingStation, RequestCommand.STOP_TRANSACTION, {
- transactionId: requestPayload.transactionId,
- meterStop: this.chargingStation.getEnergyActiveImportRegisterByTransactionId(
- requestPayload.transactionId
- ),
- idTag: this.chargingStation.getTransactionIdTag(requestPayload.transactionId),
- reason: StopTransactionReason.NONE,
- });
- case BroadcastChannelProcedureName.START_CHARGING_STATION:
- this.chargingStation.start();
- break;
- case BroadcastChannelProcedureName.STOP_CHARGING_STATION:
- await this.chargingStation.stop();
- break;
- case BroadcastChannelProcedureName.OPEN_CONNECTION:
- this.chargingStation.openWSConnection();
- break;
- case BroadcastChannelProcedureName.CLOSE_CONNECTION:
- this.chargingStation.closeWSConnection();
- break;
+ case BroadcastChannelProcedureName.AUTHORIZE:
+ if (
+ (
+ commandResponse as
+ | StartTransactionResponse
+ | StopTransactionResponse
+ | AuthorizeResponse
+ )?.idTagInfo?.status === AuthorizationStatus.ACCEPTED
+ ) {
+ return ResponseStatus.SUCCESS;
+ }
+ return ResponseStatus.FAILURE;
+ case BroadcastChannelProcedureName.STATUS_NOTIFICATION:
+ case BroadcastChannelProcedureName.METER_VALUES:
+ if (Utils.isEmptyObject(commandResponse) === true) {
+ return ResponseStatus.SUCCESS;
+ }
+ return ResponseStatus.FAILURE;
+ case BroadcastChannelProcedureName.HEARTBEAT:
+ if ('currentTime' in commandResponse) {
+ return ResponseStatus.SUCCESS;
+ }
+ return ResponseStatus.FAILURE;
default:
- // eslint-disable-next-line @typescript-eslint/restrict-template-expressions
- throw new BaseError(`Unknown worker broadcast channel command: ${command}`);
- }
- }
-
- private commandResponseToResponseStatus(commandResponse: CommandResponse): ResponseStatus {
- if (commandResponse?.idTagInfo?.status === AuthorizationStatus.ACCEPTED) {
- return ResponseStatus.SUCCESS;
+ return ResponseStatus.FAILURE;
}
- return ResponseStatus.FAILURE;
}
}
repositories / e-mobility-charging-stations-simulator.git / blobdiff