@fdm-monster/server/dist/state/socket-io.gateway.js

FDM Monster is a bulk OctoPrint, Klipper, PrusaLink and BambuLab manager to set up, configure and monitor 3D printers. Our aim is to provide neat overview over your farm.

import { socketIoConnectedEvent } from "../constants/event.constants.js";
import { getPassportJwtOptions, verifyUserCallback } from "../middleware/passport.js";
import { authorize } from "../middleware/socketio.middleware.js";
import { Server } from "socket.io";
import { Counter, Gauge } from "prom-client";
//#region src/state/socket-io.gateway.ts
const socketIoGatewaySessions = new Gauge({
	name: "socketio_gateway_sessions",
	help: "Gateway active sessions"
});
const socketIoGatewayDisconnects = new Counter({
	name: "socketio_gateway_disconnects",
	help: "Gateway connections closed"
});
const socketIoGatewayMessagesSent = new Counter({
	name: "socketio_messages_sent",
	help: "Gateway messages sent"
});
const socketIoGatewayMessageSentSize = new Gauge({
	name: "socketio_message_size",
	help: "Gateway message sent size"
});
var SocketIoGateway = class SocketIoGateway {
	logger;
	io;
	constructor(loggerFactory, eventEmitter2, settingsStore, userService, configService) {
		this.eventEmitter2 = eventEmitter2;
		this.settingsStore = settingsStore;
		this.userService = userService;
		this.configService = configService;
		this.logger = loggerFactory(SocketIoGateway.name);
	}
	attachServer(httpServer) {
		this.io = new Server(httpServer, { cors: { origin: "*" } });
		const opts = getPassportJwtOptions(this.settingsStore, this.configService, (value) => value.handshake.auth.token);
		this.io.use(authorize(this.settingsStore, opts, this.logger, verifyUserCallback(this.userService)));
		this.io.on("connection", (socket) => this.onConnect.bind(this)(socket));
	}
	onConnect(socket) {
		this.logger.debug("SocketIO Client connected", { socketId: socket.id });
		this.eventEmitter2.emit(socketIoConnectedEvent, socket.id);
		socketIoGatewaySessions.inc();
		socket.on("disconnect", () => {
			this.logger.debug("SocketIO Client disconnected", { socketId: socket.id });
			socketIoGatewaySessions.dec(1);
			socketIoGatewayDisconnects.inc();
		});
	}
	send(event, data) {
		if (!this.io) {
			this.logger.debug(`Cant send event ${event}, socketio gateway must be created first`);
			return;
		}
		this.io.emit(event, data);
		socketIoGatewayMessagesSent.inc();
		const payload = JSON.stringify(data);
		const sizeInBytes = Buffer.byteLength(payload);
		socketIoGatewayMessageSentSize.set(sizeInBytes);
	}
};
const IO_MESSAGES = { Update: "update" };
//#endregion
export { IO_MESSAGES, SocketIoGateway };

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