-import { ProcedureName, ResponseStatus, type RequestPayload } from '@/types/UIProtocol';
-import type { ProtocolResponse, ResponsePayload } from '@/types/UIProtocol';
-
-import Utils from './Utils';
+import {
+ ProcedureName,
+ type ProtocolResponse,
+ type RequestPayload,
+ type ResponsePayload,
+ ResponseStatus,
+} from '@/types';
import config from '@/assets/config';
type ResponseHandler = {
procedureName: ProcedureName;
resolve: (value: ResponsePayload | PromiseLike<ResponsePayload>) => void;
- reject: (reason?: any) => void;
+ reject: (reason?: unknown) => void;
};
-export default class UIClient {
- private static _instance: UIClient | null = null;
+export class UIClient {
+ private static instance: UIClient | null = null;
- private _ws!: WebSocket;
- private _responseHandlers: Map<string, ResponseHandler>;
+ private ws!: WebSocket;
+ private responseHandlers: Map<string, ResponseHandler>;
private constructor() {
this.openWS();
- this._responseHandlers = new Map<string, ResponseHandler>();
+ this.responseHandlers = new Map<string, ResponseHandler>();
}
public static getInstance() {
- if (UIClient._instance === null) {
- UIClient._instance = new UIClient();
+ if (UIClient.instance === null) {
+ UIClient.instance = new UIClient();
}
- return UIClient._instance;
+ return UIClient.instance;
}
public registerWSonOpenListener(listener: (event: Event) => void) {
- this._ws.addEventListener('open', listener);
+ this.ws.addEventListener('open', listener);
}
public async startSimulator(): Promise<ResponsePayload> {
public async startTransaction(
hashId: string,
connectorId: number,
- idTag: string | undefined
+ idTag: string | undefined,
): Promise<ResponsePayload> {
return this.sendRequest(ProcedureName.START_TRANSACTION, {
hashIds: [hashId],
public async stopTransaction(
hashId: string,
- transactionId: number | undefined
+ transactionId: number | undefined,
): Promise<ResponsePayload> {
return this.sendRequest(ProcedureName.STOP_TRANSACTION, {
hashIds: [hashId],
public async startAutomaticTransactionGenerator(
hashId: string,
- connectorId: number
+ connectorId: number,
): Promise<ResponsePayload> {
return this.sendRequest(ProcedureName.START_AUTOMATIC_TRANSACTION_GENERATOR, {
hashIds: [hashId],
public async stopAutomaticTransactionGenerator(
hashId: string,
- connectorId: number
+ connectorId: number,
): Promise<ResponsePayload> {
return this.sendRequest(ProcedureName.STOP_AUTOMATIC_TRANSACTION_GENERATOR, {
hashIds: [hashId],
}
private openWS(): void {
- this._ws = new WebSocket(
+ this.ws = new WebSocket(
`ws://${config.uiServer.host}:${config.uiServer.port}`,
- config.uiServer.protocol
+ config.uiServer.protocol,
);
- this._ws.onmessage = this.responseHandler.bind(this);
- this._ws.onerror = (errorEvent) => {
+ this.ws.onmessage = this.responseHandler.bind(this);
+ this.ws.onerror = (errorEvent) => {
console.error('WebSocket error: ', errorEvent);
};
- this._ws.onclose = (closeEvent) => {
+ this.ws.onclose = (closeEvent) => {
console.info('WebSocket closed: ', closeEvent);
};
}
id: string,
procedureName: ProcedureName,
resolve: (value: ResponsePayload | PromiseLike<ResponsePayload>) => void,
- reject: (reason?: any) => void
+ reject: (reason?: unknown) => void,
): void {
- this._responseHandlers.set(id, { procedureName, resolve, reject });
+ this.responseHandlers.set(id, { procedureName, resolve, reject });
}
private getResponseHandler(id: string): ResponseHandler | undefined {
- return this._responseHandlers.get(id);
+ return this.responseHandlers.get(id);
}
private deleteResponseHandler(id: string): boolean {
- return this._responseHandlers.delete(id);
+ return this.responseHandlers.delete(id);
}
private async sendRequest(
command: ProcedureName,
- data: RequestPayload
+ data: RequestPayload,
): Promise<ResponsePayload> {
let uuid: string;
- return Utils.promiseWithTimeout(
- new Promise((resolve, reject) => {
- uuid = crypto.randomUUID();
- const msg = JSON.stringify([uuid, command, data]);
+ return await new Promise<ResponsePayload>((resolve, reject) => {
+ uuid = crypto.randomUUID();
+ const msg = JSON.stringify([uuid, command, data]);
- if (this._ws.readyState !== WebSocket.OPEN) {
- this.openWS();
- }
- if (this._ws.readyState === WebSocket.OPEN) {
- this._ws.send(msg);
- } else {
- throw new Error(`Send request '${command}' message: connection not opened`);
+ if (this.ws.readyState !== WebSocket.OPEN) {
+ this.openWS();
+ }
+ if (this.ws.readyState === WebSocket.OPEN) {
+ const sendTimeout = setTimeout(() => {
+ this.deleteResponseHandler(uuid);
+ return reject(new Error(`Send request '${command}' message timeout`));
+ }, 60 * 1000);
+ try {
+ this.ws.send(msg);
+ this.setResponseHandler(uuid, command, resolve, reject);
+ } catch (error) {
+ this.deleteResponseHandler(uuid);
+ reject(error);
+ } finally {
+ clearTimeout(sendTimeout);
}
-
- this.setResponseHandler(uuid, command, resolve, reject);
- }),
- 120 * 1000,
- Error(`Send request '${command}' message timeout`),
- () => {
- this._responseHandlers.delete(uuid);
+ } else {
+ throw new Error(`Send request '${command}' message: connection not opened`);
}
- );
+ });
}
private responseHandler(messageEvent: MessageEvent<string>): void {
const response = JSON.parse(messageEvent.data) as ProtocolResponse;
if (Array.isArray(response) === false) {
- throw new Error('Response not an array: ' + JSON.stringify(response, null, 2));
+ throw new Error(`Response not an array: ${JSON.stringify(response, undefined, 2)}`);
}
const [uuid, responsePayload] = response;
- if (this._responseHandlers.has(uuid) === true) {
+ if (this.responseHandlers.has(uuid) === true) {
+ const { procedureName, resolve, reject } = this.getResponseHandler(uuid)!;
switch (responsePayload.status) {
case ResponseStatus.SUCCESS:
- this.getResponseHandler(uuid)?.resolve(responsePayload);
+ resolve(responsePayload);
break;
case ResponseStatus.FAILURE:
- this.getResponseHandler(uuid)?.reject(responsePayload);
+ reject(responsePayload);
break;
default:
- console.error(`Response status not supported: ${responsePayload.status}`);
+ console.error(
+ `Response status for procedure '${procedureName}' not supported: '${responsePayload.status}'`,
+ );
}
this.deleteResponseHandler(uuid);
} else {
- throw new Error('Not a response to a request: ' + JSON.stringify(response, null, 2));
+ throw new Error(`Not a response to a request: ${JSON.stringify(response, undefined, 2)}`);
}
}
}
repositories / e-mobility-charging-stations-simulator.git / blobdiff