2 * Copyright (c) 2013 Pantheon Technologies s.r.o. 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
9 package org.opendaylight.openflowjava.protocol.impl.util;
12 * Stores common constants
13 * @author michal.polkorab
15 public abstract class EncodeConstants {
17 /** Default OF padding (in bytes) */
18 public static final byte PADDING = EncodeConstants.SIZE_OF_LONG_IN_BYTES;
19 /** OpenFlow v1.0 wire protocol number */
20 public static final byte OF10_VERSION_ID = 0x01;
21 /** OpenFlow v1.0 wire protocol number */
22 public static final byte OF13_VERSION_ID = 0x04;
24 /** Length of mac address */
25 public static final byte MAC_ADDRESS_LENGTH = 6;
26 /** Number of groups in ipv4 address */
27 public static final byte GROUPS_IN_IPV4_ADDRESS = 4;
28 /** Number of groups in ipv6 address */
29 public static final byte GROUPS_IN_IPV6_ADDRESS = 8;
30 /** Length of ipv6 address in bytes */
31 public static final byte SIZE_OF_IPV6_ADDRESS_IN_BYTES = (8 * Short.SIZE) / Byte.SIZE;
33 /** Length of long in bytes */
34 public static final byte SIZE_OF_LONG_IN_BYTES = Long.SIZE / Byte.SIZE;
35 /** Length of int in bytes */
36 public static final byte SIZE_OF_INT_IN_BYTES = Integer.SIZE / Byte.SIZE;
37 /** Length of short in bytes */
38 public static final byte SIZE_OF_SHORT_IN_BYTES = Short.SIZE / Byte.SIZE;
39 /** Length of byte in bytes */
40 public static final byte SIZE_OF_BYTE_IN_BYTES = Byte.SIZE / Byte.SIZE;
43 /** OF v1.0 maximal port name length */
44 public static final byte MAX_PORT_NAME_LENGTH = 16;