public async Task SendAsync(IPEndPoint endPoint, LowLevelPacket packet)
{
byte[] buf = packet.Encode();
await _client.SendAsync(buf, buf.Length, endPoint);
}
public void Send(IPEndPoint endPoint, LowLevelPacket packet)
{
byte[] buf = packet.Encode();
_client.Send(buf, buf.Length, endPoint);
}