protected override void OnStart(string[] args)
        {
            try
            {
                base.OnStart(args);

                Configuration conf = Configuration.Deserialize(WorkingDir);
                Logger.IsDebugLevelEnabled = conf.Debug;

                switch (conf.Mode)
                {
                case RunningMode.SelfTesting:
                    Instance = new SelfTestingMode.Instance(conf);
                    break;

                case RunningMode.Api:
                    Instance = new ApiMode.Instance(conf);
                    break;

                default:
                    throw new Exception(String.Format("Unsupported mode: {0}", conf.Mode));
                }

                Instance.Start();
                Logger.Info("Successfuly started service");
            }
            catch (Exception ex)
            {
                Logger.Error("Could not start Worker: {0}", ex.ToString());
                ExitCode = Misc.Constants.ErrorExceptionInService;
                Stop();
            }
        }
 protected override void OnStop()
 {
     base.OnStop();
     if (Instance != null)
     {
         Instance.Join();
         Instance = null;
     }
     Logger.Info("Service stopped successfully");
 }