* <p>
* @return underlying {@link SocketUDT} or null, if parameter is not
* {@link UdtChannel}
*/
public static SocketUDT socketUDT(final Channel channel) {
final ChannelUDT channelUDT = channelUDT(channel);
if (channelUDT == null) {
return null;
} else {
return channelUDT.socketUDT();
}
}