private ushort NextMsgId() {
int rez=Interlocked.Increment(ref _messageIdGen);
Interlocked.CompareExchange(ref _messageIdGen, 1, 0xFFFF);
//Log.Debug("{0}.MsgId={1:X4}", Owner.name, _sendBuf);
return (ushort)rez;
}
private void SyncMsgId(ushort p) {