private void ApplyChange(MessageReceivedEventArgs args)
{
if (args.Message.Slot != this.emberDataMessage.Slot)
{
return;
}
var command = (EmberData)args.Message.Command;
if (command.Dtd != EmberDataCommand.Dtd)
{
throw new ModelException(string.Format(InvariantCulture, "Unexpected DTD: {0:X2}.", command.Dtd));
}
var actualBytes = command.ApplicationBytes;
var expectedBytes = EmberDataCommand.ApplicationBytes;
if ((actualBytes.Count != expectedBytes.Count) ||
(actualBytes.Zip(expectedBytes, (l, r) => l - r).Reverse().FirstOrDefault(b => b != 0) < 0))
{
throw new ModelException(string.Format(
InvariantCulture,
"Encountered actual Glow DTD Version {0} while expecting >= {1}.",
GetVersion(actualBytes),
GetVersion(expectedBytes)));
}
var payload = args.GetPayload();
// TODO: Reuse MemoryStream and EmberReader for all incoming messages.
using (var stream = new MemoryStream(payload))
using (var reader = new EmberReader(stream))
{
this.root.Read(reader, this.pendingInvocations, this.streamedParameters);
}
}
