AaltoTLS.SecureSession.SendHandshakeCallback C# (CSharp) Méthode

        private void SendHandshakeCallback(IAsyncResult asyncResult)
        {
            AsyncHandshakeResult asyncHandshakeResult = (AsyncHandshakeResult)asyncResult.AsyncState;
            try {
                _recordStream.EndSend(asyncResult);
                lock (_handshakeLock) {
                    if (_isAuthenticated && !_isHandshaking) {
                        // Mark send result as complete
                        asyncHandshakeResult.SetComplete();
                        return;
                    }
                }

                // Handshake not finished yet, continue performing
                ProcessSendHandshakePacket(asyncHandshakeResult);
            } catch (AlertException ae) {
                ProcessSendFatalAlert(new Alert(ae.AlertDescription, _handshakeSession.NegotiatedVersion));
                asyncHandshakeResult.SetComplete(new Exception("Connection closed because of local alert", ae));
            } catch (IOException) {
                asyncHandshakeResult.SetComplete(new EndOfStreamException("Connection closed unexpectedly"));
            } catch (Exception e) {
                ProcessSendFatalAlert(new Alert(AlertDescription.InternalError, _handshakeSession.NegotiatedVersion));
                asyncHandshakeResult.SetComplete(new Exception("Connection closed because of local error", e));
            }
        }