// Dial specifies the dial function for creating unencrypted TCP connections.
	//
	// Dial runs concurrently with calls to RoundTrip.
	// A RoundTrip call that initiates a dial may end up using
	// a connection dialed previously when the earlier connection
	// becomes idle before the later Dial completes.
	//

				delay := afterDial.Sub(beforeDial)
				if delay < d.Timeout {
					t.Errorf("Dial returned after %v; want ≥%v", delay, d.Timeout)
				}
			}

			if perr := parseDialError(err); perr != nil {
				t.Errorf("unexpected error from Dial: %v", perr)
			}
			if nerr, ok := err.(Error); !ok || !nerr.Timeout() {
				t.Errorf("Dial: %v, want timeout", err)
			}
		})
	}
}

	p.m.Lock()
	defer p.m.Unlock()

	v, ok := p.ExpectedNames[pluginName]
	if !ok {
		v = -1
	}

	return v, ok
}

// Dial establishes the gRPC communication with the picked up plugin socket. https://godoc.org/google.golang.org/grpc#Dial
func dial(unixSocketPath string, timeout time.Duration) (registerapi.RegistrationClient, *grpc.ClientConn, error) {
	ctx, cancel := context.WithTimeout(context.Background(), timeout)

		var d net.Dialer
		c, err := d.DialContext(ctx, "unix", udsName)
		if err != nil {
			klog.Errorf("failed to create connection to uds name %s, error: %v", udsName, err)
		}
		return c, err
	})

	// CreateSingleUseGrpcTunnel() unfortunately couples dial and connection contexts. Because of that,

}

func (c *client) API() api.DevicePluginClient {
	return c.client
}

func (c *client) SocketPath() string {
	return c.socket
}

// dial establishes the gRPC communication with the registered device plugin. https://godoc.org/google.golang.org/grpc#Dial
func dial(unixSocketPath string) (api.DevicePluginClient, *grpc.ClientConn, error) {
	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
	defer cancel()

	opts = append(opts, grpc.WithTransportCredentials(insecure.NewCredentials()), grpc.WithContextDialer(func(ctx context.Context, addr string) (net.Conn, error) {
		var d net.Dialer
		return d.DialContext(ctx, "unix", socket)
	}))

	conn, err := grpc.Dial(socket, opts...)
	if err != nil {
		return nil, err
	}

	return conn, nil

	ctrlCtxFn := sd.Dialer.ControlContext
	if ctrlCtxFn == nil && sd.Dialer.Control != nil {
		ctrlCtxFn = func(ctx context.Context, network, address string, c syscall.RawConn) error {
			return sd.Dialer.Control(network, address, c)
		}
	}
	fd, err := unixSocket(ctx, sd.network, laddr, raddr, "dial", ctrlCtxFn)
	if err != nil {
		return nil, err
	}

	serverDone := make(chan struct{})
	dialed := make(chan struct{})
	go func() {
		defer close(serverDone)

		cs, err := ln.Accept()
		if err != nil {
			return
		}
		<-dialed
		cs.(*TCPConn).SetLinger(0)
		cs.Close()
	}()
	defer func() {
		ln.Close()
		<-serverDone
	}()

	ss, err := Dial("tcp", ln.Addr().String())
	close(dialed)
	if err != nil {
		t.Fatal(err)
	}

	if *v {
		log.Println(a...)
	}
}

func dialStress(a net.Addr) {
	for {
		d := net.Dialer{Timeout: time.Duration(rand.Intn(1e9))}
		c, err := d.Dial("tcp", a.String())
		if err == nil {
			Println("did dial")
			go func() {
				time.Sleep(time.Duration(rand.Intn(500)) * time.Millisecond)
				c.Close()
				Println("closed dial")
			}()
		}
		// Don't run out of ephemeral ports too quickly:

			if err != nil {
				t.Fatal(err)
			}
			url, _ := url.Parse(server.URL)
			dialer := spdy.NewDialer(upgrader, &http.Client{Transport: transport}, "POST", url)

			stopChan := make(chan struct{}, 1)
			readyChan := make(chan struct{})

			pf, err := New(dialer, test.ports, stopChan, readyChan, os.Stdout, os.Stderr)
			if err != nil {