(Medium) - HTTP retry

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23 Sep '26, 07:26current

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	// Using NodeJS v9.11.1

	// "express": "4.16.3"
	const express = require('express');

	// "body-parser": "1.18.3",
	const bodyParser = require('body-parser');

	const app = express();

	app.use(bodyParser.urlencoded({ extended: true }));

	let requestStarted = false;

	app.post('/', (req, res) => {
	console.log('REQUEST WITH ID: ' + req.body.uniqueRequestId);

	// Default timeout is 120 seconds
	// This will force the request to timeout earlier
	// req.setTimeout(10000);

	if (requestStarted) {
	console.timeEnd('requestTime');
	requestStarted = undefined;
	}

	if (!requestStarted) {
	requestStarted = true;
	console.time('requestTime');
	}
	});

	app.get('/', (req, res) => {
	res.send(`
	<form action="/" method="POST">
	<input type="text" name="uniqueRequestId" value="">
	<input type="submit" value="Submit">
	</form>
	<script>
	const randomNumber = (Math.random() * new Date().getTime()).toString();
	const randomNumberAfterDot = randomNumber.substring(randomNumber.indexOf('.') + 1, randomNumber.length);
	const simulatedRequestId = randomNumberAfterDot;
	document.getElementsByName('uniqueRequestId')[0].value = simulatedRequestId;
	</script>
	`);
	});

	app.listen(7070);