public GpsServiceResponse StartUp(CancellationToken cancellationToken)
{
var response = new GpsServiceResponse();
try
{
Token = cancellationToken;
// Obtenemos la latencia.
var latency = _driver.GetLatency();
if (!latency.Success)
{
throw new InvalidOperationException(latency.ErrorMessage);
}
_lastLatency = latency.NumberOfSeconds;
// Inicializamos el Timer con la cantidad de segundos por mil
// ya que se tiene que expresar en milisegundos.
_timer = new Timer(ElapsedTime, this, 0, _lastLatency * 1000);
response.Success = true;
}
catch (Exception ex)
{
response.Success = false;
response.ErrorMessage = ex.Message;
}
return(response);
}
public GpsServiceResponse ShutDown()
{
var response = new GpsServiceResponse();
try
{
var message = new StopLongRunningTaskMessage();
MessagingCenter.Send(message, nameof(StopLongRunningTaskMessage));
response.Success = true;
}
catch (Exception ex)
{
response.Success = false;
response.ErrorMessage = ex.Message;
}
return(response);
}
