Function benchmarkWindowReset

benchmarks/rate-limiting.js:209–265

* Benchmarks rate limit window reset performance

()

 * Benchmarks rate limit window reset performance
 */
function benchmarkWindowReset () {
	console.log("\n📊 Rate Limit Window Reset Performance");
	console.log("-".repeat(40));

	const suite = new Benchmark.Suite();
	const rateStore = new Map();

	const checkWithReset = (req, needsReset = false) => {
		const reqId = req.sessionID || req.ip;
		const currentTime = Math.floor(Date.now() / 1000);

		if (!rateStore.has(reqId)) {
			rateStore.set(reqId, {
				remaining: 99,
				reset: currentTime + (needsReset ? 0 : 900) // Force reset if needed
			});
		}

		const state = rateStore.get(reqId);

		if (needsReset || currentTime >= state.reset) {
			// Simulate window reset
			state.remaining = 100;
			state.reset = currentTime + 900;

			return { reset: true, remaining: state.remaining };
		}

		state.remaining--;

		return { reset: false, remaining: state.remaining };
	};

	suite
		.add("Rate Limit - Normal check (no reset)", () => {
			const req = createMockRequest({ sessionID: "normal-client" });
			checkWithReset(req, false);
		})
		.add("Rate Limit - With window reset", () => {
			const req = createMockRequest({ sessionID: "reset-client" });
			checkWithReset(req, true);
		})
		.add("Rate Limit - Batch reset simulation", () => {
			// Simulate many clients resetting at once
			for (let i = 0; i < 50; i++) {
				const req = createMockRequest({ sessionID: `batch-${i}` });
				checkWithReset(req, true);
			}
		})
		.on("cycle", event => {
			console.log(`  ${String(event.target)}`);
		})
		.on("complete", function () {
			console.log(`  Fastest: ${this.filter("fastest").map("name")}`);
		})
		.run();
}