infiniteflightjs/InfiniteFlight.js

A JavaScript Module for V1 of the Infinite Flight Connect API

var dgram = require('dgram');
var net = require('net');
var _addr, _port, client;

exports.init = function (success, error) {
  try {
    var s = dgram.createSocket('udp4');
    s.on('message', function(msg, rinfo) {
      var response = JSON.parse(msg.toString());
      if (response.Addresses != null && response.Port != null) {
        _addr = null;
        for (i=0;i<response.Addresses.length;i++) {
          const regexp = new RegExp('(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)');
          if (response.Addresses[i].match(regexp) != null) {
            _addr = response.Addresses[i];
            break;
          }
        }
        _port = 10111;
        s.close();
        client = new net.Socket();
        client.connect(parseInt(_port), _addr);
        console.log("Connected to Infinite Flight at " + _addr + ':' + 10111);
        success();
      }
    });
    s.bind(15000);
  } catch {
    error();
  }
}

exports.sendCmd = function (cmd, params) {
  try {
    var jsonStr = JSON.stringify({"Command": cmd, "Parameters": params});
    var data = new Uint8Array(jsonStr.length + 4);
    data[0] = jsonStr.length;

    for (var i = 0; i < jsonStr.length; i++) {
      data[i+4] = jsonStr.charCodeAt(i);
    }

    var buffer = Buffer.from(data);
    client.write(buffer);
    return true;
  } catch {
    return false;
  }
}

exports.onMessage = function (callback) {
  client.on('data', function(chunk) {
    callback(chunk.toString());
  });
}