ES6 Class Example

es6class.js

"use strict";

var net = require('net');

class TorControlClient {
  constructor() {
    this.torHost = '127.0.0.1';
    this.torControlPort = 9998;
    this.torControlPassword = 'torControl2015';
    this.initialized = false;
    this.sendLocked = false;
    this.controlSocket;
  }
  _sendLockAcquire() {
    if(this.sendLocked) {
      // already locked
      return false;
    } else {
      this.sendLocked = true;
      return true;
    }
  }
  _sendLockRelease() {
    this.sendLocked = false;
  }
  init() {
    if(!this.initialized && this._sendLockAcquire()) {
      this.controlSocket = net.createConnection({host: this.torHost,
        port: this.torControlPort});
      this.controlSocket.on('connect', (function() {
        this.controlSocket.write('AUTHENTICATE "' + this.torControlPassword + '"\r\n');
      }).bind(this));
      this.controlSocket.on('data', (function(data) {
        console.log('response:', data.toString());
        this._sendLockRelease();
      }).bind(this));
    }
  }
}

module.exports = TorControlClient;