Move TimeoutConn to seperate pkg dir.

Fixes #10965
Signed-off-by: Rik Nijessen <riknijessen@gmail.com>

pkg/timeout/timeout.go

@@ -1,21 +1,21 @@
-package utils
+package timeout
 
 import (
 	"net"
 	"time"
 )
 
-func NewTimeoutConn(conn net.Conn, timeout time.Duration) net.Conn {
-	return &TimeoutConn{conn, timeout}
+func New(netConn net.Conn, timeout time.Duration) net.Conn {
+	return &conn{netConn, timeout}
 }
 
 // A net.Conn that sets a deadline for every Read or Write operation
-type TimeoutConn struct {
+type conn struct {
 	net.Conn
 	timeout time.Duration
 }
 
-func (c *TimeoutConn) Read(b []byte) (int, error) {
+func (c *conn) Read(b []byte) (int, error) {
 	if c.timeout > 0 {
 		err := c.Conn.SetReadDeadline(time.Now().Add(c.timeout))
 		if err != nil {

pkg/timeout/timeout_test.go

@@ -1,4 +1,4 @@
-package utils
+package timeout
 
 import (
 	"bufio"
@@ -10,7 +10,7 @@ import (
 	"time"
 )
 
-func TestTimeoutConnRead(t *testing.T) {
+func TestRead(t *testing.T) {
 	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		fmt.Fprintln(w, "hello")
 	}))
@@ -19,7 +19,7 @@ func TestTimeoutConnRead(t *testing.T) {
 	if err != nil {
 		t.Fatalf("failed to create connection to %q: %v", ts.URL, err)
 	}
-	tconn := NewTimeoutConn(conn, 1*time.Second)
+	tconn := New(conn, 1*time.Second)
 
 	if _, err = bufio.NewReader(tconn).ReadString('\n'); err == nil {
 		t.Fatalf("expected timeout error, got none")

registry/registry.go

@@ -14,7 +14,7 @@ import (
 	"time"
 
 	log "github.com/Sirupsen/logrus"
-	"github.com/docker/docker/utils"
+	"github.com/docker/docker/pkg/timeout"
 )
 
 var (
@@ -71,7 +71,7 @@ func newClient(jar http.CookieJar, roots *x509.CertPool, certs []tls.Certificate
 			if err != nil {
 				return nil, err
 			}
-			conn = utils.NewTimeoutConn(conn, 1*time.Minute)
+			conn = timeout.New(conn, 1*time.Minute)
 			return conn, nil
 		}
 	}