AaltoTLS.SecureSession.SendDataCallback C# (CSharp) Method

        private void SendDataCallback(IAsyncResult asyncResult)
        {
            AsyncSendDataResult asyncSendDataResult = (AsyncSendDataResult)asyncResult.AsyncState;
            try {
                _recordStream.EndSend(asyncResult);
                asyncSendDataResult.SetComplete();
            } catch (AlertException ae) {
                ProcessSendFatalAlert(new Alert(ae.AlertDescription, _handshakeSession.NegotiatedVersion));
                asyncSendDataResult.SetComplete(new Exception("Connection closed because of local alert", ae));
            } catch (IOException) {
                asyncSendDataResult.SetComplete(new EndOfStreamException("Connection closed unexpectedly"));
            } catch (Exception e) {
                ProcessSendFatalAlert(new Alert(AlertDescription.InternalError, _handshakeSession.NegotiatedVersion));
                asyncSendDataResult.SetComplete(new Exception("Connection closed because of local error", e));
            }
        }