// Note: 239.0.0.0 is the start of the UDP multicast addresses reserved for
// private use.
// Note: 49152 is the result I get out of executing;
// netsh int ipv4 show dynamicport udp
// on Windows 10.
public MessageService(
MessageRegistrar messageRegistrar,
string multicastAddress = "239.0.0.0",
int multicastPort = 49152)
{
//if (messageRegistrar == null)
//{
// throw new ArgumentNullException("MessageRegistrar is null");
//}
this.messageRegistrar = messageRegistrar;
this.multicastEndpoint = new IPEndPoint(IPAddress.Parse(multicastAddress), multicastPort);
}
byte[] Serialize <T>(T message) where T : Message
{
var stream = new MemoryStream();
var writer = new BinaryWriter(stream);
try
{
writer.Write(MessageRegistrar.KeyFromMessageType <T>());
message.Save(writer);
writer.Flush();
if (stream.Length > Constants.MAX_UDP_SIZE)
{
throw new ArgumentException("Message size exceeded maximum length");
}
}
finally
{
writer.Dispose();
}
return(stream.ToArray());
}