gateway.js

const crypto = require("crypto");
const NodeTester = require("../index");

// Constants
const TIME_INTERVAL = 15000;
const GATEWAYS = 25;
const MAX_FCOUNT = 10000;
const PACKAGES = 40;

let fcounter = 0;

// Hostname Data
const host = {
  hostname: "198.199.97.15",
  port: 1700
};

// Device data
const device = {
  devaddr: "12412412"
};

// Session data
const session = {
  nwkskey: "12412412412412412412412412412412",
  appskey: "12412412412412412412412412412412"
};

function emulateGateway() {
  host.gateway_id = crypto.randomBytes(8).toString("hex");
  console.log('initialize ', host.gateway_id);
  const tester = new NodeTester(Object.assign({}, host, device, session));

  setInterval(func, TIME_INTERVAL, tester);
}

/**
 * function parameter for setInterval
 */
function func(gateway) {
  console.log('\x1b[36m%s\x1b[0m', gateway.gateway_id);
  if (fcounter === MAX_FCOUNT) {
    console.log('\x1b[36m%s\x1b[0m', '----- END -----');
    process.exit();
    return;
  }
  for (let index = 0; index < PACKAGES; index++) {
    gateway.addRxData(`example ${index} ${fcounter}`, fcounter);
    fcounter++;
  }
  gateway.send();
}

for (let i = 0; i < GATEWAYS; i++) {
  setTimeout(function() {
    // initialize
    emulateGateway();
  }, 2000);
}