/// <summary>
/// Terminates the service application by discarding the alljoyn object
/// </summary>
private async void TearDown()
{
try
{
await busAtt.DisconnectAsync(BasicServiceGlobals.ConnectSpec);
await busAtt.StopAsync();
this.OutputLine("Basic Service has been exited.");
this.OutputLine(string.Empty);
}
catch (Exception ex)
{
this.OutputLine("An error was produced while closing the service: " + ex.Message.ToString());
}
busObject = null;
busAtt = null;
}
/// <summary>
/// Established the service functionality of the application by creating and registering
/// </summary>
/// <param name="sender">UI control which signaled the click event</param>
/// <param name="e">arguments associated with the click event</param>
private void Button_RunClick(object sender, RoutedEventArgs e)
{
if (busObject == null && busAtt == null)
{
Task task = new Task(async () =>
{
try
{
busAtt = new BusAttachment("ServiceApp", true, 4);
busObject = new BasicServiceBusObject(busAtt);
BasicServiceBusListener busListener = new BasicServiceBusListener(busAtt);
OutputLine("BusAttachment, BusListener and BusObject Created.");
busAtt.RegisterBusListener(busListener);
OutputLine("BusListener Registered.");
busAtt.Start();
await busAtt.ConnectAsync(BasicServiceGlobals.ConnectSpec);
OutputLine("Bundled Daemon Registered.");
OutputLine("BusAttachment Connected to " + BasicServiceGlobals.ConnectSpec + ".");
SessionOpts sessionOpts = new SessionOpts(
BasicServiceGlobals.SessionProps.TrType,
BasicServiceGlobals.SessionProps.IsMultiPoint,
BasicServiceGlobals.SessionProps.PrType,
BasicServiceGlobals.SessionProps.TmType);
try
{
ushort[] portOut = new ushort[1];
busAtt.BindSessionPort(BasicServiceGlobals.SessionProps.SessionPort, portOut, sessionOpts, busListener);
busAtt.RequestName(BasicServiceGlobals.WellKnownServiceName, (int)RequestNameType.DBUS_NAME_DO_NOT_QUEUE);
busAtt.AdvertiseName(BasicServiceGlobals.WellKnownServiceName, TransportMaskType.TRANSPORT_ANY);
OutputLine("Name is Being Advertised as: " + BasicServiceGlobals.WellKnownServiceName);
}
catch (COMException ce)
{
QStatus s = AllJoynException.GetErrorCode(ce.HResult);
OutputLine("Error occurred while trying to establish the service over the bus.");
TearDown();
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine("Errors were produced while trying to establish the service.");
QStatus status = AllJoynException.GetErrorCode(ex.HResult);
busObject = null;
busAtt = null;
}
});
task.Start();
}
}