poweroff-tool/src/index.js

This is application which power off a pc when it triggered

const async = require('async');
const Validators = require('./utils/validators');
const SNPM = require('./utils/snmp');
const conditionChecker = require('./utils/condition-checker');
const poweroff = require('./utils/power-off');

function PowerOff() {
  const application = {};
  let isRunning = false;

  if (process.argv.length < 3) {
  	console.log ('usage: node poweroff-tool <IP address> [...OIDs]');
  	process.exit(1);
  }

  var target = process.argv[2];
  if (!Validators.validateIP(target)) {
    console.log ('IP address is not valid');
  	process.exit(1);
  }

  var oids = process.argv.slice(3, process.argv.length);

  // Init SNMP spoiler
  var snpmSpoiler = new SNPM(target, oids);

  var steps = [];

  steps.push((callback) => {
    console.time('workflows');
    callback(null);
  })
  steps.push((callback) => {
    snpmSpoiler.get(callback);
  });
  steps.push(conditionChecker);
  steps.push(poweroff);

  this.start = () => {
    if (isRunning) {
      return;
    } else {
      isRunning = true;
    }
    async.forever(function(next) {
      async.waterfall(steps, (err, result) => {
        if (err) {
          console.log(err);
        }
        console.timeEnd('workflows');
        if (isRunning) {
          setTimeout(next, 2000);
        }
      });
    }, function(err) {
      console.error(err);
    });
  }

  this.stop = (force) => {
    if (isRunning) {
      isRunning = false;
    }
  }
}

module.exports = PowerOff;