r := RemoteErr(err.Error())
			return nil, &r
		}
		return payload, nil
	}, subroute...)
}

// Requester is able to send requests to a remote.
type Requester interface {
	Request(ctx context.Context, h HandlerID, req []byte) ([]byte, error)
}

// Call the remote with the request and return the response.
// The response should be returned with PutResponse when no error.

	"strconv"
	"strings"
	"time"

	"github.com/minio/minio/internal/config"
	"github.com/minio/pkg/v2/env"
)

// API sub-system constants
const (
	apiRequestsMax             = "requests_max"
	apiRequestsDeadline        = "requests_deadline"
	apiClusterDeadline         = "cluster_deadline"
	apiCorsAllowOrigin         = "cors_allow_origin"
	apiRemoteTransportDeadline = "remote_transport_deadline"

	var errState bool
	if debugPrint {
		start := time.Now()
		defer func() {
			fmt.Println("Mux", m.MuxID, "Request took", time.Since(start).Round(time.Millisecond))
		}()
	}

	// Listen for client messages.
	for {
		if errState {
			go func() {
				// Drain requests.
				for range requests {
				}
			}()
			return
		}

	responses <-chan Response
	cancel    context.CancelCauseFunc

	// Requests sent to the server.
	// If the handler is defined with 0 incoming capacity this will be nil.
	// Channel *must* be closed to signal the end of the stream.
	// If the request context is canceled, the stream will no longer process requests.
	// Requests sent cannot be used any further by the called.
	Requests chan<- []byte

	muxID uint64
	ctx   context.Context
}

	}

	if oi.CacheControl != "" {
		w.Header().Set(xhttp.CacheControl, oi.CacheControl)
	}

	statusCode()
}

// CondCheck represents the conditional request made to the remote cache
// for validation during GET/HEAD object requests.
type CondCheck struct {
	ObjectInfo
	IfMatch           string     `json:"ifMatch,omitempty" msg:",omitempty"`
	IfNoneMatch       string     `json:"ifNoneMatch,omitempty" msg:",omitempty"`

	errFatal(err)

	// Start sending requests.
	go func() {
		for i := byte(0); i < 100; i++ {
			st.Requests <- []byte{i}
		}
		close(st.Requests)
	}()
	// Now do 100 other requests to ensure that the server doesn't block.
	for i := 0; i < 100; i++ {
		_, err := remoteConn.Request(ctx, handlerTest2, []byte(testPayload))
		errFatal(err)
	}
	// Start processing requests.
	close(processHandler)

	// Immutable after creation, so no locks.
	targets map[string]*Connection

	// serverside handlers.
	handlers handlers

	// local host name.
	local string

	// Validate incoming requests.
	authRequest func(r *http.Request) error
}

// ManagerOptions are options for creating a new grid manager.
type ManagerOptions struct {
	Dialer       ContextDialer               // Outgoing dialer.

				for b := range in {
					PutByteBuffer(b)
					got++
				}
				if got != requests {
					return NewRemoteErrf("wrong number of requests. want %d, got %d", requests, got)
				}
				return nil
			},

			Subroute:    "some-subroute",
			OutCapacity: 1,
			InCapacity:  1, // Only one message buffered.
		}))
		errFatal(err)
	}
	const payloadSize = 512

	proxiedGetRequestsTotal             MetricName = "proxied_get_requests_total"
	proxiedHeadRequestsTotal            MetricName = "proxied_head_requests_total"
	proxiedPutTaggingRequestsTotal      MetricName = "proxied_put_tagging_requests_total"
	proxiedGetTaggingRequestsTotal      MetricName = "proxied_get_tagging_requests_total"
	proxiedDeleteTaggingRequestsTotal   MetricName = "proxied_delete_tagging_requests_total"

	if err != nil {
		return nil, err
	}
	cl.subroute = &c.subID
	return cl, nil
}

// Request allows to do a single remote request.
// 'req' will not be used after the call and caller can reuse.
// If no deadline is set on ctx, a 1-minute deadline will be added.
func (c *Connection) Request(ctx context.Context, h HandlerID, req []byte) ([]byte, error) {
	if !h.valid() {
		return nil, ErrUnknownHandler
	}