hw-node-2

hw-node-2.js

const http = require('http');

var INTERVAL = process.argv[2] || 1000;
var TIME = process.argv[3] || 10000;

let clientId = 0;

async function consoleDateAndTime (id) {
  let clock = setInterval(() => {
    console.log(`Client: ${id}, Clock: `, new Date());
  }, INTERVAL);
  let result = await stopClock(clock);
  return result;
}

function stopClock (clock) {
  return new Promise(resolve => {
    setTimeout(() => {
      clearInterval(clock);
      resolve(new Date());
    }, TIME);
  });
}

async function serverHandler (request, response) {
  if (request.method === 'GET' && request.url !== '/favicon.ico') {
    try {
      consoleDateAndTime(++clientId).then((result) => {
        response.end('Current Date: ' + result);
      });
    } catch (error) {
      console.error(error);
    }
  }
}
http.createServer(serverHandler).listen(3000);