// Stateless requests provide no incoming stream and there is no flow control
	// on outgoing messages.
	StatelessHandler struct {
		Handle StatelessHandlerFn
		// OutCapacity is the output capacity on the caller.
		// If <= 0 capacity will be 1.
		OutCapacity int
	}

	// StreamHandlerFn must process a request with an optional initial payload.
	// It must keep consuming from 'in' until it returns.

				for in := range request {
					b := append([]byte{}, payload...)
					b = append(b, in...)
					resp <- b
				}
				t.Log(GetCaller(ctx).Name, "Handler done")
				return nil
			},
			OutCapacity: 1,
			InCapacity:  1,
		}))
		// 2: Return as error
		errFatal(manager.RegisterStreamingHandler(handlerTest2, StreamHandler{

					select {
					case <-ctx.Done():
						return nil
					case out <- toSend:
					}
				}
				return nil
			},

			Subroute:    "some-subroute",
			OutCapacity: 1, // Only one message buffered.
			InCapacity:  0,
		}))
		errFatal(err)
	}
	const payloadSize = 512
	rng := rand.New(rand.NewSource(time.Now().UnixNano()))
	payload := make([]byte, payloadSize)

			gotCall <- struct{}{}
			select {
			case <-ctx.Done():
				gotCall <- struct{}{}
			case <-cleanReqs:
				panic("should not be called")
			}
			return nil
		},
		OutCapacity: 1,
		InCapacity:  1,
	}
	errFatal(remote.RegisterSingleHandler(handlerTest, h1))
	errFatal(remote.RegisterStreamingHandler(handlerTest2, h2))
	errFatal(local.RegisterSingleHandler(handlerTest, h1))

        return nil
    }

    err := manager.RegisterStreamingHandler(grid.HandlerDiskInfo, StreamHandler{
        Handle: handler,
        Subroute: "asubroute",
        OutCapacity: 1,
        InCapacity: 1,
    })
```

Sample call:
```go
    // Get a connection to the remote host
    conn := manager.Connection(host).Subroute("asubroute")

    payload := []byte("request")

	} else {
		ctx, cancel = context.WithCancel(ctx)
	}

	send := make(chan []byte)
	inboundCap, outboundCap := handler.InCapacity, handler.OutCapacity
	if outboundCap <= 0 {
		outboundCap = 1
	}

	m := muxServer{
		ID:                 msg.MuxID,
		RecvSeq:            msg.Seq + 1,
		SendSeq:            msg.Seq,
		ctx:                ctx,

	}

	var requests chan []byte
	var responses chan Response
	if handler.InCapacity > 0 {
		requests = make(chan []byte, handler.InCapacity)
	}
	if handler.OutCapacity > 0 {
		responses = make(chan Response, handler.OutCapacity)
	} else {
		responses = make(chan Response, 1)
	}

	cl, err := c.newMuxClient(ctx)
	if err != nil {
		return nil, err
	}

			logger.FatalIf(gm.RegisterStreamingHandler(grid.HandlerWalkDir, grid.StreamHandler{
				Subroute:    endpoint.Path,
				Handle:      server.WalkDirHandler,
				OutCapacity: 1,
			}), "unable to register handler")

			createStorage := func(endpoint Endpoint) bool {
				xl, err := newXLStorage(endpoint, false)
				if err != nil {

	logger.FatalIf(gm.RegisterStreamingHandler(grid.HandlerTrace, grid.StreamHandler{
		Handle:      server.TraceHandler,
		Subroute:    "",
		OutCapacity: 100000,
		InCapacity:  0,
	}), "unable to register handler")