prometheus + load-testing

apps/dispatch-server/index.ts

@@ -14,6 +14,7 @@ import cookieParser from "cookie-parser";
 import cors from "cors";
 import { authMiddleware } from "modules/expressMiddleware";
 import "modules/chron";
+import { socketConnections } from "modules/prometheus";
 
 const app = express();
 const server = createServer(app);
@@ -25,7 +26,10 @@ export const io = new Server(server, {
 io.use(jwtMiddleware);
 
 io.on("connection", (socket) => {
-	console.log("New socket connection", socket.id);
+	socketConnections.inc();
+	socket.on("disconnect", () => {
+		socketConnections.dec();
+	});
 	socket.on("connect-dispatch", handleConnectDispatch(socket, io));
 	socket.on("connect-pilot", handleConnectPilot(socket, io));
 	socket.on("connect-desktop", handleConnectDesktop(socket, io));

apps/dispatch-server/modules/prometheus.ts

@@ -0,0 +1,50 @@
+import { prisma } from "@repo/db";
+import promClient from "prom-client";
+
+export const promRegister = new promClient.Registry();
+promClient.collectDefaultMetrics({ register: promRegister });
+
+export const socketConnections = new promClient.Gauge({
+	name: "socket_connections",
+	help: "Number of active socket connections",
+	registers: [promRegister],
+});
+
+export const aircraftPatches = new promClient.Counter({
+	name: "aircraft_patches",
+	help: "Counts patch requests for aircrafts",
+	registers: [promRegister],
+});
+
+export const connectedPilots = new promClient.Gauge({
+	name: "connected_pilots",
+	help: "Counts connected pilots",
+	registers: [promRegister],
+	collect: async () => {
+		const count = await prisma.connectedAircraft.count({
+			where: {
+				logoutTime: null,
+			},
+		});
+		connectedPilots.set(count);
+	},
+});
+
+export const connectedDispatcher = new promClient.Gauge({
+	name: "connected_dispatcher",
+	help: "Counts connected dispatchers",
+	registers: [promRegister],
+	collect: async () => {
+		const count = await prisma.connectedDispatcher.count({
+			where: {
+				logoutTime: null,
+			},
+		});
+		connectedDispatcher.set(count);
+	},
+});
+
+promRegister.registerMetric(socketConnections);
+promRegister.registerMetric(aircraftPatches);
+promRegister.registerMetric(connectedPilots);
+promRegister.registerMetric(connectedDispatcher);

apps/dispatch-server/modules/socketJWTmiddleware.ts

@@ -5,7 +5,7 @@ import jwt from "jsonwebtoken";
 
 export const jwtMiddleware = async (socket: Socket, next: (err?: ExtendedError) => void) => {
 	try {
-		const { uid } = socket.handshake.auth;
+		const uid = socket.handshake.auth.uid || socket.handshake.query.uid;
 		if (!uid) return new Error("Authentication error");
 		/* const token = socket.handshake.auth?.token;
 		if (!token) return new Error("Authentication error");

apps/dispatch-server/package.json

@@ -11,8 +11,8 @@
 	"packageManager": "pnpm@10.11.0",
 	"devDependencies": {
 		"@repo/db": "workspace:*",
-		"@repo/typescript-config": "workspace:*",
 		"@repo/shared-components": "workspace:*",
+		"@repo/typescript-config": "workspace:*",
 		"@types/cookie-parser": "^1.4.8",
 		"@types/cors": "^2.8.18",
 		"@types/express": "^5.0.2",
@@ -37,6 +37,7 @@
 		"node-cron": "^4.1.0",
 		"nodemailer": "^7.0.3",
 		"nodemon": "^3.1.10",
+		"prom-client": "^15.1.3",
 		"react": "^19.1.0",
 		"redis": "^5.1.1",
 		"socket.io": "^4.8.1",

apps/dispatch-server/routes/aircraft.ts

@@ -1,13 +1,7 @@
-import {
-	AdminMessage,
-	ConnectedAircraft,
-	getPublicUser,
-	MissionLog,
-	Prisma,
-	prisma,
-} from "@repo/db";
+import { AdminMessage, getPublicUser, MissionLog, Prisma, prisma } from "@repo/db";
 import { Router } from "express";
 import { io } from "../index";
+import { aircraftPatches } from "modules/prometheus";
 
 const router: Router = Router();
 
@@ -97,7 +91,7 @@ router.patch("/:id", async (req, res) => {
 				},
 			});
 		}
-
+		aircraftPatches.inc();
 		res.json(updatedConnectedAircraft);
 		// When change is only the estimated logout time, we don't need to emit an event
 		if (Object.keys(aircraftUpdate).length === 1 && aircraftUpdate.esimatedLogoutTime) return;

apps/dispatch-server/routes/metrics.ts

@@ -0,0 +1,9 @@
+import { Router } from "express";
+import { promRegister } from "modules/prometheus";
+
+export const metricsRouter: Router = Router();
+
+metricsRouter.get("/", async (req, res) => {
+	res.setHeader("Content-Type", promRegister.contentType);
+	res.end(await promRegister.metrics());
+});

apps/dispatch-server/routes/router.ts

@@ -4,6 +4,7 @@ import missionRouter from "./mission";
 import statusRouter from "./status";
 import aircraftsRouter from "./aircraft";
 import reportRouter from "./report";
+import { metricsRouter } from "routes/metrics";
 
 const router: Router = Router();
 
@@ -12,5 +13,6 @@ router.use("/mission", missionRouter);
 router.use("/status", statusRouter);
 router.use("/aircrafts", aircraftsRouter);
 router.use("/report", reportRouter);
+router.use("/metrics", metricsRouter);
 
 export default router;

apps/dispatch-server/socket-events/connect-pilot.ts

@@ -16,6 +16,7 @@ export const handleConnectPilot =
 		debug: boolean;
 	}) => {
 		try {
+			console.log("Connecting pilot:", socket.id, "Station ID:", stationId, "Debug mode:", debug);
 			if (!stationId) return Error("Station ID is required");
 			const user: User = socket.data.user; // User ID aus dem JWT-Token
 			const userId = socket.data.user.id; // User ID aus dem JWT-Token
@@ -43,7 +44,7 @@ export const handleConnectPilot =
 				},
 			});
 
-			if (existingConnection) {
+			if (existingConnection && !debug) {
 				await io.to(`user:${user.id}`).emit("force-disconnect", "double-connection");
 				await prisma.connectedAircraft.updateMany({
 					where: {

apps/hub/app/(app)/admin/keyword/_components/Form.tsx

@@ -13,7 +13,7 @@ import { redirect } from "next/navigation";
 import { ListInput } from "_components/ui/List";
 
 export const KeywordForm = ({ keyword }: { keyword?: Keyword }) => {
-	const form = useForm<z.infer<typeof KeywordOptionalDefaultsSchema>>({
+	const form = useForm({
 		resolver: zodResolver(KeywordOptionalDefaultsSchema),
 		defaultValues: keyword,
 	});
@@ -36,9 +36,7 @@ export const KeywordForm = ({ keyword }: { keyword?: Keyword }) => {
 							<FileText className="w-5 h-5" /> Allgemeines
 						</h2>
 						<label className="form-control w-full ">
-							<span className="label-text text-lg flex items-center gap-2">
-								Kategorie
-							</span>
+							<span className="label-text text-lg flex items-center gap-2">Kategorie</span>
 							<select
 								className="input-sm select select-bordered select-sm w-full"
 								{...form.register("category")}
@@ -50,12 +48,7 @@ export const KeywordForm = ({ keyword }: { keyword?: Keyword }) => {
 								))}
 							</select>
 						</label>
-						<Input
-							form={form}
-							label="Abkürzung"
-							name="abreviation"
-							className="input-sm"
-						/>
+						<Input form={form} label="Abkürzung" name="abreviation" className="input-sm" />
 						<Input
 							form={form}
 							label="Name"
@@ -82,11 +75,7 @@ export const KeywordForm = ({ keyword }: { keyword?: Keyword }) => {
 				<div className="card bg-base-200 shadow-xl col-span-6">
 					<div className="card-body ">
 						<div className="flex w-full gap-4">
-							<Button
-								isLoading={loading}
-								type="submit"
-								className="btn btn-primary flex-1"
-							>
+							<Button isLoading={loading} type="submit" className="btn btn-primary flex-1">
 								Speichern
 							</Button>
 							{keyword && (

apps/hub/app/(app)/admin/station/_components/Form.tsx

@@ -12,7 +12,7 @@ import { Button } from "../../../../_components/ui/Button";
 import { redirect } from "next/navigation";
 
 export const StationForm = ({ station }: { station?: Station }) => {
-	const form = useForm<z.infer<typeof StationOptionalDefaultsSchema>>({
+	const form = useForm({
 		resolver: zodResolver(StationOptionalDefaultsSchema),
 		defaultValues: station,
 	});

apps/hub/package.json

@@ -10,50 +10,50 @@
 		"lint": "next lint"
 	},
 	"dependencies": {
-		"@eslint/eslintrc": "^3",
-		"@hookform/resolvers": "^5.0.1",
+		"@eslint/eslintrc": "^3.3.1",
+		"@hookform/resolvers": "^5.1.1",
 		"@next-auth/prisma-adapter": "^1.0.7",
 		"@radix-ui/react-icons": "^1.3.2",
 		"@repo/db": "workspace:*",
 		"@repo/eslint-config": "workspace:*",
 		"@repo/shared-components": "workspace:*",
 		"@repo/typescript-config": "workspace:*",
-		"@tailwindcss/postcss": "^4.1.8",
-		"@tanstack/react-query": "^5.79.2",
+		"@tailwindcss/postcss": "^4.1.11",
+		"@tanstack/react-query": "^5.81.5",
 		"@tanstack/react-table": "^8.21.3",
-		"@types/bcryptjs": "^3.0.0",
-		"@types/jsonwebtoken": "^9.0.9",
-		"@types/node": "^22.15.29",
-		"@types/react": "^19.1.6",
-		"@types/react-dom": "^19.1.5",
+		"@types/jsonwebtoken": "^9.0.10",
+		"@types/node": "^22.15.34",
+		"@types/react": "^19.1.8",
+		"@types/react-dom": "^19.1.6",
 		"@uiw/react-md-editor": "^4.0.7",
-		"axios": "^1.9.0",
+		"axios": "^1.10.0",
 		"bcryptjs": "^3.0.2",
 		"clsx": "^2.1.1",
 		"daisyui": "^5.0.43",
 		"date-fns": "^4.1.0",
-		"eslint": "^9.15.0",
-		"eslint-config-next": "^15.3.3",
+		"eslint": "^9.30.0",
+		"eslint-config-next": "^15.3.4",
 		"i": "^0.3.7",
 		"jsonwebtoken": "^9.0.2",
 		"lodash": "^4.17.21",
 		"lucide-react": "^0.511.0",
-		"next": "^15.3.3",
+		"next": "^15.3.4",
 		"next-auth": "^4.24.11",
 		"next-remove-imports": "^1.0.12",
-		"npm": "^11.4.1",
-		"postcss": "^8.5.4",
+		"npm": "^11.4.2",
+		"postcss": "^8.5.6",
 		"react": "^19.1.0",
 		"react-datepicker": "^8.4.0",
 		"react-day-picker": "^9.7.0",
 		"react-dom": "^19.1.0",
 		"react-error-boundary": "^6.0.0",
-		"react-hook-form": "^7.56.4",
+		"react-hook-form": "^7.59.0",
 		"react-hot-toast": "^2.5.2",
 		"react-select": "^5.10.1",
-		"tailwind-merge": "^3.3.0",
-		"tailwindcss": "^4.1.8",
+		"tailwind-merge": "^3.3.1",
+		"tailwindcss": "^4.1.11",
 		"typescript": "^5.8.3",
-		"zod": "^3.25.46"
+		"zod": "^3.25.67",
+		"zustand": "^5.0.6"
 	}
 }