//StartRemoveInExercise8
/// <summary>
/// Overrides Safir.Dob.MessageSubscriber. Called by the Dob
/// when a message is sent that is subscribed for.
/// </summary>
public void OnMessage(Safir.Dob.MessageProxy messageProxy)
{
Capabilities.Vehicles.VehicleMsg msg = (Capabilities.Vehicles.VehicleMsg)messageProxy.Message;
if (!msg.MessageText.IsNull())
{
labelMessage.Text = msg.MessageText.Val.ToString();
}
else
{
labelMessage.Text = "No text in received message";
}
this.Show();
}
void Safir.Dob.MessageSubscriber.OnMessage(Safir.Dob.MessageProxy messageProxy)
{
Safir.Dob.Message message = messageProxy.Message;
Safir.Application.BackdoorCommand cmd = message as Safir.Application.BackdoorCommand;
if (cmd == null)
{
// Unexpected message
return; // *** RETURN ***
}
try
{
if (!cmd.NodeName.IsNull())
{
if (!Regex.IsMatch(Safir.Dob.NodeParameters.Nodes(Safir.Dob.ThisNodeParameters.NodeNumber).NodeName.Val,
cmd.NodeName.Val,
RegexOptions.IgnoreCase))
{
// Node name doesn't match
return; // *** RETURN ***
}
}
Safir.Dob.ConnectionAspectMisc connectionAspectMisc = new Safir.Dob.ConnectionAspectMisc(m_connection);
if (!cmd.ConnectionName.IsNull())
{
if (!Regex.IsMatch(connectionAspectMisc.GetConnectionName(),
cmd.ConnectionName.Val,
RegexOptions.IgnoreCase))
{
// Connection name doesn't match
return; // *** RETURN ***
}
}
}
catch (ArgumentException)
{
// An invalid regular expression was used, skip this command
return; // *** RETURN ***
}
if (cmd.Command.IsNull())
{
// No command given
return; // *** RETURN ***
}
string[] cmdTokens =
cmd.Command.Val.Split(new char[] { ' ', '\t', '\n', '\r' }, StringSplitOptions.RemoveEmptyEntries);
if (cmdTokens.Length > 0)
{
if (cmdTokens[0].Equals("ping", StringComparison.OrdinalIgnoreCase))
{
// It's a 'ping' command. Answer to it without bothering
// the subclass implementator.
Safir.Dob.ConnectionAspectMisc connectionAspectMisc = new Safir.Dob.ConnectionAspectMisc(m_connection);
Safir.Logging.SendSystemLog(Safir.Logging.Severity.Debug,
"Ping reply from "
+ connectionAspectMisc.GetConnectionName()
+ " on node "
+ Safir.Dob.NodeParameters.Nodes(Safir.Dob.ThisNodeParameters.NodeNumber).NodeName.Val);
return; // *** RETURN ***
}
else if (cmdTokens[0].Equals("help", StringComparison.OrdinalIgnoreCase))
{
// Get help text from subclass implementator.
Safir.Logging.SendSystemLog(Safir.Logging.Severity.Debug,
m_backdoor.GetHelpText());
return; // *** RETURN ***
}
}
// Let the subclass handle the command
m_backdoor.HandleCommand(cmdTokens);
}
