-import { Protocol, ProtocolVersion } from '../../types/UIProtocol';
-import WebSocket, { OPEN, Server } from 'ws';
-
-import { AbstractUIServer } from './AbstractUIServer';
-import Configuration from '../../utils/Configuration';
import { IncomingMessage } from 'http';
+
+import WebSocket from 'ws';
+
import { ServerOptions } from '../../types/ConfigurationData';
-import UIServiceFactory from './ui-services/UIServiceFactory';
-import Utils from '../../utils/Utils';
+import { Protocol, ProtocolVersion } from '../../types/UIProtocol';
+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';
+
+const moduleName = 'UIWebSocketServer';
export default class UIWebSocketServer extends AbstractUIServer {
- public constructor(options?: ServerOptions, callback?: () => void) {
+ public constructor(options?: ServerOptions) {
super();
- this.uiServer = new Server(options ?? Configuration.getUIServer().options, callback);
+ this.server = new WebSocket.Server(options ?? Configuration.getUIServer().options);
}
public start(): void {
- this.uiServer.on('connection', (socket: WebSocket, request: IncomingMessage): 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
this.uiServices.set(version, UIServiceFactory.getUIServiceImplementation(version, this));
}
// FIXME: check connection validity
- socket.on('message', (messageData) => {
+ socket.on('message', (rawData) => {
this.uiServices
.get(version)
- .messageHandler(messageData)
+ .requestHandler(rawData)
.catch(() => {
- logger.error(`${this.logPrefix()} Error while handling message data: %j`, messageData);
+ /* Error caught by AbstractUIService */
});
});
socket.on('error', (error) => {
- logger.error(`${this.logPrefix()} Error on WebSocket: %j`, error);
+ logger.error(
+ `${this.logPrefix(moduleName, 'start.socket.onerror')} Error on WebSocket:`,
+ error
+ );
});
});
}
public stop(): void {
- this.uiServer.close();
+ this.chargingStations.clear();
+ }
+
+ public sendRequest(request: string): void {
+ this.broadcastToClients(request);
}
- public sendResponse(message: string): void {
- this.broadcastToClients(message);
+ public sendResponse(response: string): void {
+ // TODO: send response only to the client that sent the request
+ this.broadcastToClients(response);
}
- public logPrefix(): string {
- return Utils.logPrefix(' UI WebSocket Server:');
+ public logPrefix(modName?: string, methodName?: string): string {
+ const logMsg =
+ modName && methodName
+ ? ` UI WebSocket Server | ${modName}.${methodName}:`
+ : ' UI WebSocket Server |';
+ return Utils.logPrefix(logMsg);
}
private broadcastToClients(message: string): void {
- for (const client of (this.uiServer as Server).clients) {
- if (client?.readyState === OPEN) {
+ for (const client of (this.server as WebSocket.Server).clients) {
+ if (client?.readyState === WebSocket.OPEN) {
client.send(message);
}
}