public async Task Close(WebsocketCloseCode c = WebsocketCloseCode.Normal, string msg = "")
{
//Console.WriteLine(string.Format("Closing socket {0} {1}", c.ToString(), msg));
var wsf = new WebSocketFrame();
wsf.Flags = WebSocketFlags.FinalFragment;
wsf.OpCode = WebSocketOpCode.ConnectionClose;
var dt2 = Encoding.UTF8.GetBytes(msg ?? "");
wsf.Payload = new byte[2 + dt2.Length];
wsf.PayloadLength = (ulong)wsf.Payload.LongLength;
var dt = BitConverter.GetBytes((UInt16)(int)c);
wsf.Payload[0] = dt[1];
wsf.Payload[1] = dt[0];
if (dt2.Length > 0)
{
Buffer.BlockCopy(dt2, 0, wsf.Payload, 2, dt2.Length);
}
await SendFrame(wsf);
_sentClose = true;
}
private void End(WebsocketCloseCode c = WebsocketCloseCode.ProtocolError, string msg = null)
{
_ct.Cancel();
_ct.Dispose();
_ct = null;
_s.Close();
_s.Dispose();
_s = null;
OnDisconnect(c, msg);
}