out <- []byte("response")

                // Return the request for reuse
                grid.PutByteBuffer(req)
            }
        }
        // out is closed by the caller and should never be closed by the handler.
        return nil
    }

    err := manager.RegisterStreamingHandler(grid.HandlerDiskInfo, StreamHandler{
        Handle: handler,
        Subroute: "asubroute",

	mu sync.Mutex
}

func (d *disconnectReader) Read(p []byte) (n int, err error) {
	d.mu.Lock()
	defer d.mu.Unlock()
	if d.r != nil {
		return d.r.Read(p)
	}
	return 0, errors.New("reader closed")
}

func (d *disconnectReader) Close() error {
	d.mu.Lock()
	d.r = nil
	d.mu.Unlock()
	return nil
}

		pollIntervalBase *= 2
		if pollIntervalBase > shutdownPollIntervalMax {
			pollIntervalBase = shutdownPollIntervalMax
		}
		return interval
	}

	// Wait for opened connection to be closed up to Shutdown timeout.
	shutdownTimeout := srv.ShutdownTimeout
	shutdownTimer := time.NewTimer(shutdownTimeout)
	defer shutdownTimer.Stop()

	timer := time.NewTimer(nextPollInterval())
	defer timer.Stop()

	}
}

// send the message. msg.Seq and msg.MuxID will be set
func (m *muxClient) send(msg message) error {
	m.respMu.Lock()
	defer m.respMu.Unlock()
	if m.closed {
		return errors.New("mux client closed")
	}
	return m.sendLocked(msg)
}

// sendLocked the message. msg.Seq and msg.MuxID will be set.
// m.respMu must be held.
func (m *muxClient) sendLocked(msg message) error {

	return
}

// ErrClientClosed returned when *Client is closed.
var ErrClientClosed = errors.New("rest client is closed")

// Call - make a REST call with context.
func (c *Client) Call(ctx context.Context, method string, values url.Values, body io.Reader, length int64) (reply io.ReadCloser, err error) {
	switch atomic.LoadInt32(&c.connected) {
	case closed:
		// client closed, this is usually a manual process

// the appropriate error will be returned.
type Stream struct {
	// responses from the remote server.
	// Channel will be closed after error or when remote closes.
	// All responses *must* be read by the caller until either an error is returned or the channel is closed.
	// Canceling the context will cause the context cancellation error to be returned.
	responses <-chan Response
	cancel    context.CancelCauseFunc

			// Flush collected records before sending error message
			if !writer.flushRecords() {
				break
			}
			writer.write(data)

		case payload, ok := <-writer.payloadCh:
			if !ok {
				// payloadCh is closed by caller to
				// indicate finish with success
				quitFlag = true

				if !writer.flushRecords() {
					break
				}
				// Write Stats message, then End message

type ObjectReadSeekCloser struct {
	segmentReader ObjectSegmentReaderFn

	size   int64 // actual object size regardless of compression/encryption
	offset int64
	reader io.ReadCloser

	// reader can be closed idempotently multiple times
	closerOnce sync.Once
	// Error storing reader.Close()
	closerErr error
}

// NewObjectReadSeekCloser creates a new ObjectReadSeekCloser.

	// It returns true if the result is sent else false if returns when doneCh is closed.
	send := func(result acceptResult) bool {
		select {
		case listener.acceptCh <- result:
			// Successfully written to acceptCh
			return true
		case <-listener.ctx.Done():
			return false
		}
	}

	// Closure to handle TCPListener until done channel is closed.
	handleListener := func(idx int, listener net.Listener) {
		for {

	// return 503 server closed error, consider it as an offline node
	case strings.Contains(err.Error(), http.ErrServerClosed.Error()):
		return true
	// Corner case, the server closed the connection with a keep-alive timeout
	// some requests are not retried internally, such as POST request with written body
	case strings.Contains(err.Error(), "server closed idle connection"):
		return true
	}

	return false