public async void Run(IBackgroundTaskInstance taskInstance)
{
_deferral = taskInstance.GetDeferral();
taskInstance.Canceled += TaskInstance_Canceled;
try
{
_logger = new SyslogLogger();
_logger.Info("Starting weather station service");
}
catch (Exception ex)
{
throw ex;
}
try
{
_sensorsClient = new RinsenOneWireClient();
_reportingClient = new WebReportingClient(_logger);
if (_reportingClient.SupportsSensorsUpdate)
{
_logger.Info("Sending sensors info is allowed, updating sensors info");
var sensorIds = _sensorsClient.ListSensors();
await _reportingClient.UpdateSensors(sensorIds);
}
_logger.Info("Initializing sensors reading timer");
_timer = new Timer(TemperatureCallback, null, 0, 5 * 60 * 1000);
_logger.Info("Timer successfully initialized");
}
catch (Exception ex)
{
_logger.Critical(ex.ToString());
_logger.Info("Critical exception occured while reporting sensors, closing");
_deferral.Complete();
return;
}
_logger.Info("Entering service loop");
while (!_isClosing)
{
Task.Delay(2000).Wait();
}
_logger.Info("Exiting service loop");
}
private void TaskInstance_Canceled(IBackgroundTaskInstance sender, BackgroundTaskCancellationReason reason)
{
_logger.Info("Task was cancelled, reason: " + reason);
_isClosing = true;
if (_timer != null)
{
_timer.Dispose();
_timer = null;
}
if (_sensorsClient != null)
{
var disposable = _sensorsClient as IDisposable;
if (disposable != null)
{
disposable.Dispose();
}
_sensorsClient = null;
}
if (_reportingClient != null)
{
var disposable = _reportingClient as IDisposable;
if (disposable != null)
{
disposable.Dispose();
}
_reportingClient = null;
}
if (_logger != null)
{
var disposable = _logger as IDisposable;
if (disposable != null)
{
disposable.Dispose();
}
_logger = null;
}
if (_deferral != null)
{
_deferral.Complete();
_deferral = null;
}
}
