コード例 #1
0
        private async Task DoSend()
        {
            Exception shutdownReason  = null;
            Exception unexpectedError = null;

            try
            {
                await ProcessSends();
            }
            catch (SocketException ex) when(IsConnectionResetError(ex.SocketErrorCode))
            {
                shutdownReason = new ConnectionResetException(ex.Message, ex);
                _trace.ConnectionReset(ConnectionId);
            }
            catch (Exception ex)
                when((ex is SocketException socketEx && IsConnectionAbortError(socketEx.SocketErrorCode)) ||
                     ex is ObjectDisposedException)
                {
                    // This should always be ignored since Shutdown() must have already been called by Abort().
                    shutdownReason = ex;
                }
            catch (Exception ex)
            {
                shutdownReason  = ex;
                unexpectedError = ex;
                _trace.ConnectionError(ConnectionId, unexpectedError);
            }
            finally
            {
                Shutdown(shutdownReason);

                // Complete the output after disposing the socket
                Output.Complete(unexpectedError);

                // Cancel any pending flushes so that the input loop is un-paused
                Input.CancelPendingFlush();
            }
        }