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path: root/test/parallel/test-http-slow-headers-keepalive.js
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'use strict';

const common = require('../common');
const http = require('http');
const net = require('net');
const { finished } = require('stream');

const headers =
  'GET / HTTP/1.1\r\n' +
  'Host: localhost\r\n' +
  'Connection: keep-alive\r\n' +
  'Agent: node\r\n';

let sendCharEvery = 1000;

const server = http.createServer(common.mustCall((req, res) => {
  res.writeHead(200);
  res.end();
}));

// Pass a REAL env variable to shortening up the default
// value which is 40s otherwise this is useful for manual
// testing
if (!process.env.REAL) {
  sendCharEvery = common.platformTimeout(10);
  server.headersTimeout = 2 * sendCharEvery;
}

server.once('timeout', common.mustCall((socket) => {
  socket.destroy();
}));

server.listen(0, () => {
  const client = net.connect(server.address().port);
  client.write(headers);
  // Finish the first request
  client.write('\r\n');
  // second request
  client.write(headers);
  client.write('X-CRASH: ');

  const interval = setInterval(() => {
    client.write('a');
  }, sendCharEvery);

  client.resume();
  finished(client, common.mustCall((err) => {
    clearInterval(interval);
    server.close();
  }));
});