-import { IncomingMessage } from 'http';
+import type { IncomingMessage } from 'http';
import WebSocket from 'ws';
-import { ServerOptions } from '../../types/ConfigurationData';
-import { Protocol, ProtocolVersion } from '../../types/UIProtocol';
+import type { ServerOptions } from '../../types/ConfigurationData';
+import { WebSocketCloseEventStatusCode } from '../../types/WebSocket';
import Configuration from '../../utils/Configuration';
import logger from '../../utils/Logger';
import Utils from '../../utils/Utils';
import { AbstractUIServer } from './AbstractUIServer';
import UIServiceFactory from './ui-services/UIServiceFactory';
+import { UIServiceUtils } from './ui-services/UIServiceUtils';
const moduleName = 'UIWebSocketServer';
public start(): void {
this.server.on('connection', (socket: WebSocket, request: IncomingMessage): void => {
- const protocolIndex = socket.protocol.indexOf(Protocol.UI);
- const version = socket.protocol.substring(
- protocolIndex + Protocol.UI.length
- ) as ProtocolVersion;
+ const [protocol, version] = UIServiceUtils.getProtocolAndVersion(socket.protocol);
+ if (UIServiceUtils.isProtocolAndVersionSupported(protocol, version) === false) {
+ logger.error(
+ `${this.logPrefix(
+ moduleName,
+ 'start.server.onconnection'
+ )} Unsupported UI protocol version: '${protocol}${version}'`
+ );
+ socket.close(WebSocketCloseEventStatusCode.CLOSE_PROTOCOL_ERROR);
+ }
if (!this.uiServices.has(version)) {
this.uiServices.set(version, UIServiceFactory.getUIServiceImplementation(version, this));
}
// FIXME: check connection validity
- socket.on('message', (messageData) => {
+ socket.on('message', (rawData) => {
this.uiServices
.get(version)
- .requestHandler(messageData)
- .catch((error) => {
- logger.error(
- `${this.logPrefix(
- moduleName,
- 'start.socket.onmessage'
- )} Error while handling message:`,
- error
- );
+ .requestHandler(rawData)
+ .catch(() => {
+ /* Error caught by AbstractUIService */
});
});
socket.on('error', (error) => {
}
public stop(): void {
- this.server.close();
+ this.chargingStations.clear();
}
public sendRequest(request: string): void {
}
public sendResponse(response: string): void {
+ // TODO: send response only to the client that sent the request
this.broadcastToClients(response);
}