libnetwork/types: remove TransportPort.FromString() as it's unused

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

libnetwork/types/types.go

@@ -5,7 +5,6 @@ import (
 	"bytes"
 	"fmt"
 	"net"
-	"strconv"
 	"strings"
 
 	"github.com/ishidawataru/sctp"
@@ -69,19 +68,6 @@ func (t *TransportPort) String() string {
 	return fmt.Sprintf("%s/%d", t.Proto.String(), t.Port)
 }
 
-// FromString reads the TransportPort structure from string
-func (t *TransportPort) FromString(s string) error {
-	ps := strings.Split(s, "/")
-	if len(ps) == 2 {
-		t.Proto = ParseProtocol(ps[0])
-		if p, err := strconv.ParseUint(ps[1], 10, 16); err == nil {
-			t.Port = uint16(p)
-			return nil
-		}
-	}
-	return BadRequestErrorf("invalid format for transport port: %s", s)
-}
-
 // PortBinding represents a port binding between the container and the host
 type PortBinding struct {
 	Proto       Protocol

libnetwork/types/types_test.go

@@ -5,23 +5,6 @@ import (
 	"testing"
 )
 
-func TestTransportPortConv(t *testing.T) {
-	sform := "tcp/23"
-	tp := &TransportPort{Proto: TCP, Port: uint16(23)}
-
-	if sform != tp.String() {
-		t.Fatalf("String() method failed")
-	}
-
-	rc := new(TransportPort)
-	if err := rc.FromString(sform); err != nil {
-		t.Fatal(err)
-	}
-	if !tp.Equal(rc) {
-		t.Fatalf("FromString() method failed")
-	}
-}
-
 func TestErrorConstructors(t *testing.T) {
 	var err error