-import { RawData } from 'ws';
-
import BaseError from '../../../exception/BaseError';
-import { JsonType } from '../../../types/JsonType';
+import type OCPPError from '../../../exception/OCPPError';
+import { Bootstrap } from '../../../internal';
import {
ProcedureName,
- ProtocolRequest,
- ProtocolRequestHandler,
- ProtocolResponse,
- ProtocolVersion,
- RequestPayload,
- ResponsePayload,
+ type ProtocolRequest,
+ type ProtocolRequestHandler,
+ type ProtocolVersion,
+ type RequestPayload,
+ type ResponsePayload,
ResponseStatus,
} from '../../../types/UIProtocol';
+import {
+ BroadcastChannelProcedureName,
+ type BroadcastChannelRequestPayload,
+} from '../../../types/WorkerBroadcastChannel';
import logger from '../../../utils/Logger';
import Utils from '../../../utils/Utils';
-import Bootstrap from '../../Bootstrap';
import UIServiceWorkerBroadcastChannel from '../../UIServiceWorkerBroadcastChannel';
-import { AbstractUIServer } from '../AbstractUIServer';
+import type { AbstractUIServer } from '../AbstractUIServer';
const moduleName = 'AbstractUIService';
export default abstract class AbstractUIService {
- protected readonly version: ProtocolVersion;
- protected readonly uiServer: AbstractUIServer;
+ private static readonly ProcedureNameToBroadCastChannelProcedureNameMap: Omit<
+ Record<ProcedureName, BroadcastChannelProcedureName>,
+ | ProcedureName.START_SIMULATOR
+ | ProcedureName.STOP_SIMULATOR
+ | ProcedureName.LIST_CHARGING_STATIONS
+ > = {
+ [ProcedureName.START_CHARGING_STATION]: BroadcastChannelProcedureName.START_CHARGING_STATION,
+ [ProcedureName.STOP_CHARGING_STATION]: BroadcastChannelProcedureName.STOP_CHARGING_STATION,
+ [ProcedureName.CLOSE_CONNECTION]: BroadcastChannelProcedureName.CLOSE_CONNECTION,
+ [ProcedureName.OPEN_CONNECTION]: BroadcastChannelProcedureName.OPEN_CONNECTION,
+ [ProcedureName.START_AUTOMATIC_TRANSACTION_GENERATOR]:
+ BroadcastChannelProcedureName.START_AUTOMATIC_TRANSACTION_GENERATOR,
+ [ProcedureName.STOP_AUTOMATIC_TRANSACTION_GENERATOR]:
+ BroadcastChannelProcedureName.STOP_AUTOMATIC_TRANSACTION_GENERATOR,
+ [ProcedureName.START_TRANSACTION]: BroadcastChannelProcedureName.START_TRANSACTION,
+ [ProcedureName.STOP_TRANSACTION]: BroadcastChannelProcedureName.STOP_TRANSACTION,
+ [ProcedureName.AUTHORIZE]: BroadcastChannelProcedureName.AUTHORIZE,
+ [ProcedureName.BOOT_NOTIFICATION]: BroadcastChannelProcedureName.BOOT_NOTIFICATION,
+ [ProcedureName.STATUS_NOTIFICATION]: BroadcastChannelProcedureName.STATUS_NOTIFICATION,
+ [ProcedureName.HEARTBEAT]: BroadcastChannelProcedureName.HEARTBEAT,
+ [ProcedureName.METER_VALUES]: BroadcastChannelProcedureName.METER_VALUES,
+ };
+
protected readonly requestHandlers: Map<ProcedureName, ProtocolRequestHandler>;
- protected workerBroadcastChannel: UIServiceWorkerBroadcastChannel;
+ private readonly version: ProtocolVersion;
+ private readonly uiServer: AbstractUIServer;
+ private readonly uiServiceWorkerBroadcastChannel: UIServiceWorkerBroadcastChannel;
+ private readonly broadcastChannelRequests: Map<string, number>;
constructor(uiServer: AbstractUIServer, version: ProtocolVersion) {
- this.version = version;
this.uiServer = uiServer;
+ this.version = version;
this.requestHandlers = new Map<ProcedureName, ProtocolRequestHandler>([
[ProcedureName.LIST_CHARGING_STATIONS, this.handleListChargingStations.bind(this)],
[ProcedureName.START_SIMULATOR, this.handleStartSimulator.bind(this)],
[ProcedureName.STOP_SIMULATOR, this.handleStopSimulator.bind(this)],
]);
- this.workerBroadcastChannel = new UIServiceWorkerBroadcastChannel(this);
+ this.uiServiceWorkerBroadcastChannel = new UIServiceWorkerBroadcastChannel(this);
+ this.broadcastChannelRequests = new Map<string, number>();
}
- public async requestHandler(request: RawData): Promise<void> {
+ public async requestHandler(request: ProtocolRequest): Promise<void> {
let messageId: string;
let command: ProcedureName;
let requestPayload: RequestPayload | undefined;
let responsePayload: ResponsePayload;
try {
- [messageId, command, requestPayload] = this.requestValidation(request);
+ [messageId, command, requestPayload] = request;
if (this.requestHandlers.has(command) === false) {
throw new BaseError(
}
// Call the request handler to build the response payload
- responsePayload = await this.requestHandlers.get(command)(messageId, requestPayload);
+ responsePayload = await this.requestHandlers.get(command)(messageId, command, requestPayload);
} catch (error) {
// Log
- logger.error(
- `${this.uiServer.logPrefix(moduleName, 'messageHandler')} Handle request error:`,
- error
- );
+ logger.error(`${this.logPrefix(moduleName, 'messageHandler')} Handle request error:`, error);
responsePayload = {
+ hashIds: requestPayload.hashIds,
status: ResponseStatus.FAILURE,
command,
requestPayload,
responsePayload,
errorMessage: (error as Error).message,
errorStack: (error as Error).stack,
+ errorDetails: (error as OCPPError).details,
};
- }
-
- if (responsePayload !== undefined) {
- // Send the response
- this.uiServer.sendResponse(this.buildProtocolResponse(messageId ?? 'error', responsePayload));
+ } finally {
+ // Send response for payload not forwarded to broadcast channel
+ if (responsePayload !== undefined) {
+ this.sendResponse(messageId, responsePayload);
+ }
}
}
procedureName: ProcedureName,
requestPayload: RequestPayload
): void {
- this.uiServer.sendRequest(this.buildProtocolRequest(messageId, procedureName, requestPayload));
+ this.uiServer.sendRequest(
+ this.uiServer.buildProtocolRequest(messageId, procedureName, requestPayload)
+ );
}
public sendResponse(messageId: string, responsePayload: ResponsePayload): void {
- this.uiServer.sendResponse(this.buildProtocolResponse(messageId, responsePayload));
+ this.uiServer.sendResponse(this.uiServer.buildProtocolResponse(messageId, responsePayload));
}
public logPrefix(modName: string, methodName: string): string {
- return `${this.uiServer.logPrefix(modName, methodName)}`;
+ return this.uiServer.logPrefix(modName, methodName, this.version);
}
- private buildProtocolRequest(
- messageId: string,
- procedureName: ProcedureName,
- requestPayload: RequestPayload
- ): string {
- return JSON.stringify([messageId, procedureName, requestPayload] as ProtocolRequest);
+ public deleteBroadcastChannelRequest(uuid: string): void {
+ this.broadcastChannelRequests.delete(uuid);
}
- private buildProtocolResponse(messageId: string, responsePayload: ResponsePayload): string {
- return JSON.stringify([messageId, responsePayload] as ProtocolResponse);
+ public getBroadcastChannelExpectedResponses(uuid: string): number {
+ return this.broadcastChannelRequests.get(uuid) ?? 0;
}
- // Validate the raw data received from the WebSocket
- // TODO: should probably be moved to the ws verify clients callback
- private requestValidation(rawData: RawData): ProtocolRequest {
- // logger.debug(
- // `${this.uiServer.logPrefix(
- // moduleName,
- // 'dataValidation'
- // )} Raw data received: ${rawData.toString()}`
- // );
-
- const data = JSON.parse(rawData.toString()) as JsonType[];
-
- if (Utils.isIterable(data) === false) {
- throw new BaseError('UI protocol request is not iterable');
- }
+ protected handleProtocolRequest(
+ uuid: string,
+ procedureName: ProcedureName,
+ payload: RequestPayload
+ ): void {
+ this.sendBroadcastChannelRequest(
+ uuid,
+ AbstractUIService.ProcedureNameToBroadCastChannelProcedureNameMap[
+ procedureName
+ ] as BroadcastChannelProcedureName,
+ payload
+ );
+ }
- if (data.length !== 3) {
- throw new BaseError('UI protocol request is malformed');
+ private sendBroadcastChannelRequest(
+ uuid: string,
+ procedureName: BroadcastChannelProcedureName,
+ payload: BroadcastChannelRequestPayload
+ ): void {
+ if (!Utils.isEmptyArray(payload.hashIds)) {
+ payload.hashIds = payload.hashIds
+ .map((hashId) => {
+ if (this.uiServer.chargingStations.has(hashId) === true) {
+ return hashId;
+ }
+ logger.warn(
+ `${this.logPrefix(
+ moduleName,
+ 'sendBroadcastChannelRequest'
+ )} Charging station with hashId '${hashId}' not found`
+ );
+ })
+ .filter((hashId) => hashId !== undefined);
}
-
- return data as ProtocolRequest;
+ const expectedNumberOfResponses = !Utils.isEmptyArray(payload.hashIds)
+ ? payload.hashIds.length
+ : this.uiServer.chargingStations.size;
+ this.uiServiceWorkerBroadcastChannel.sendRequest([uuid, procedureName, payload]);
+ this.broadcastChannelRequests.set(uuid, expectedNumberOfResponses);
}
private handleListChargingStations(): ResponsePayload {
- // TODO: remove cast to unknown
return {
status: ResponseStatus.SUCCESS,
- ...Array.from(this.uiServer.chargingStations.values()),
- } as unknown as ResponsePayload;
+ chargingStations: [...this.uiServer.chargingStations.values()],
+ } as ResponsePayload;
}
private async handleStartSimulator(): Promise<ResponsePayload> {
repositories / e-mobility-charging-stations-simulator.git / blobdiff