index.js

const { request } = require('http')

/**
 * url without `http://` or `https://`
 * 
 * @param {String} url 
 */
function pingger(url){
  if(url == null) {
    console.log("your url");
    process.exit(1);
  }
  var sites = url.split(',');
  console.log(sites);
  
  for(var i = 0; i < sites.length; i++) {
    console.log("SITE: " + sites[i]);
    var ping = new anubisPinger(sites[i]);
    ping.sendRequest();
  }
}

/**
 * site without `http://` or `https://`
 * 
 * @param {String} site 
 * @return {Boolean}
 */
class anubisPinger {
  constructor(site) {
    var self = this;
    self.site = site;
    self.sendRequest = function () {
      console.log("SENDING REQUEST TO: " + self.site);

      var connect_host = self.site;
      var connect_path = '/';

      var options = {
        agent: false,
        host: connect_host,
        port: 80,
        path: connect_path,
        method: 'GET'
      };
      var post_req = request(options, function (res) {
        var d = '';
        res.setEncoding('utf8');
        res.on('data', function (chunk) {
          d += chunk;
        });
        res.on('end', function () {
          console.log("REQUEST RESPONSE FROM " + self.site + ": Status Code " + res.statusCode);
          setTimeout(self.sendRequest, self.getRandomTime());
        });
      });

      post_req.on('error', function (e) {
        console.log("ERROR: web request to " + site + " failed");
        console.log(e);
        setTimeout(self.sendRequest, self.getRandomTime());
      });

      post_req.end();
    };

    self.getRandomTime = function () {
      var min = 600 * 1000;
      var max = 1200 * 1000;
      var seed = max - min;
      var r = Math.floor((Math.random() * seed) + min);
      console.log("Sleeping For: " + r / 1000 + " Seconds");
      return r;
    };

  }
}

module.exports = pingger