-import Utils from './Utils';
import {
ProcedureName,
type ProtocolResponse,
type RequestPayload,
type ResponsePayload,
ResponseStatus,
-} from '@/types/UIProtocol';
-import config from '@/assets/config';
+} from '@/types'
+import config from '@/assets/config'
type ResponseHandler = {
- procedureName: ProcedureName;
- resolve: (value: ResponsePayload | PromiseLike<ResponsePayload>) => void;
- reject: (reason?: any) => void;
-};
+ procedureName: ProcedureName
+ resolve: (value: ResponsePayload | PromiseLike<ResponsePayload>) => 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.openWS()
+ 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> {
- return this.sendRequest(ProcedureName.START_SIMULATOR, {});
+ return this.sendRequest(ProcedureName.START_SIMULATOR, {})
}
public async stopSimulator(): Promise<ResponsePayload> {
- return this.sendRequest(ProcedureName.STOP_SIMULATOR, {});
+ return this.sendRequest(ProcedureName.STOP_SIMULATOR, {})
}
public async listChargingStations(): Promise<ResponsePayload> {
- return this.sendRequest(ProcedureName.LIST_CHARGING_STATIONS, {});
+ return this.sendRequest(ProcedureName.LIST_CHARGING_STATIONS, {})
}
public async startChargingStation(hashId: string): Promise<ResponsePayload> {
- return this.sendRequest(ProcedureName.START_CHARGING_STATION, { hashIds: [hashId] });
+ return this.sendRequest(ProcedureName.START_CHARGING_STATION, { hashIds: [hashId] })
}
public async stopChargingStation(hashId: string): Promise<ResponsePayload> {
- return this.sendRequest(ProcedureName.STOP_CHARGING_STATION, { hashIds: [hashId] });
+ return this.sendRequest(ProcedureName.STOP_CHARGING_STATION, { hashIds: [hashId] })
}
public async openConnection(hashId: string): Promise<ResponsePayload> {
return this.sendRequest(ProcedureName.OPEN_CONNECTION, {
hashIds: [hashId],
- });
+ })
}
public async closeConnection(hashId: string): Promise<ResponsePayload> {
return this.sendRequest(ProcedureName.CLOSE_CONNECTION, {
hashIds: [hashId],
- });
+ })
}
public async startTransaction(
hashIds: [hashId],
connectorId,
idTag,
- });
+ })
}
public async stopTransaction(
return this.sendRequest(ProcedureName.STOP_TRANSACTION, {
hashIds: [hashId],
transactionId,
- });
+ })
}
public async startAutomaticTransactionGenerator(
return this.sendRequest(ProcedureName.START_AUTOMATIC_TRANSACTION_GENERATOR, {
hashIds: [hashId],
connectorIds: [connectorId],
- });
+ })
}
public async stopAutomaticTransactionGenerator(
return this.sendRequest(ProcedureName.STOP_AUTOMATIC_TRANSACTION_GENERATOR, {
hashIds: [hashId],
connectorIds: [connectorId],
- });
+ })
}
private openWS(): void {
this.ws = new WebSocket(
`ws://${config.uiServer.host}:${config.uiServer.port}`,
config.uiServer.protocol
- );
- this.ws.onmessage = this.responseHandler.bind(this);
+ )
+ this.ws.onmessage = this.responseHandler.bind(this)
this.ws.onerror = (errorEvent) => {
- console.error('WebSocket error: ', errorEvent);
- };
+ console.error('WebSocket error: ', errorEvent)
+ }
this.ws.onclose = (closeEvent) => {
- console.info('WebSocket closed: ', closeEvent);
- };
+ console.info('WebSocket closed: ', closeEvent)
+ }
}
private setResponseHandler(
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
): Promise<ResponsePayload> {
- let uuid: string;
- return Utils.promiseWithTimeout(
- new Promise((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 '${command}' message: connection not opened`);
+ return new Promise<ResponsePayload>((resolve, reject) => {
+ if (this.ws.readyState !== WebSocket.OPEN) {
+ this.openWS()
+ }
+ if (this.ws.readyState === WebSocket.OPEN) {
+ const uuid = crypto.randomUUID()
+ const msg = JSON.stringify([uuid, command, data])
+ const sendTimeout = setTimeout(() => {
+ this.deleteResponseHandler(uuid)
+ return reject(new Error(`Send request '${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;
+ 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;
+ const [uuid, responsePayload] = response
if (this.responseHandlers.has(uuid) === true) {
+ const { procedureName, resolve, reject } = this.getResponseHandler(uuid)!
switch (responsePayload.status) {
case ResponseStatus.SUCCESS:
- this.getResponseHandler(uuid)?.resolve(responsePayload);
- break;
+ resolve(responsePayload)
+ break
case ResponseStatus.FAILURE:
- this.getResponseHandler(uuid)?.reject(responsePayload);
- break;
+ 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);
+ 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