2 * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.protocol.pcep.spi;
10 import io.netty.buffer.ByteBuf;
12 public final class TlvUtil {
14 protected static final int HEADER_SIZE = 4;
16 protected static final int PADDED_TO = 4;
21 public static void formatTlv(final int type,final ByteBuf body, final ByteBuf out) {
23 out.writeShort(body.writerIndex());
25 out.writeZero(getPadding(HEADER_SIZE + body.writerIndex(), PADDED_TO));
28 public static int getPadding(final int length, final int padding) {
29 return (padding - (length % padding)) % padding;