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.api.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 = 8;
19 /** OpenFlow v1.0 wire protocol number */
20 public static final byte OF10_VERSION_ID = 0x01;
21 /** OpenFlow v1.3 wire protocol number */
22 public static final byte OF13_VERSION_ID = 0x04;
23 /** Index of length in Openflow header */
24 public static final int OFHEADER_LENGTH_INDEX = 2;
25 /** Size of Openflow header */
26 public static final int OFHEADER_SIZE = 8;
27 /** Zero length - used when the length is updated later */
28 public static final int EMPTY_LENGTH = 0;
30 /** Length of mac address */
31 public static final byte MAC_ADDRESS_LENGTH = 6;
32 /** Number of groups in ipv4 address */
33 public static final byte GROUPS_IN_IPV4_ADDRESS = 4;
34 /** Number of groups in ipv6 address */
35 public static final byte GROUPS_IN_IPV6_ADDRESS = 8;
36 /** Length of ipv6 address in bytes */
37 public static final byte SIZE_OF_IPV6_ADDRESS_IN_BYTES = (8 * Short.SIZE) / Byte.SIZE;
39 /** Length of long in bytes */
40 public static final byte SIZE_OF_LONG_IN_BYTES = Long.SIZE / Byte.SIZE;
41 /** Length of int in bytes */
42 public static final byte SIZE_OF_INT_IN_BYTES = Integer.SIZE / Byte.SIZE;
43 /** Length of short in bytes */
44 public static final byte SIZE_OF_SHORT_IN_BYTES = Short.SIZE / Byte.SIZE;
45 /** Length of byte in bytes */
46 public static final byte SIZE_OF_BYTE_IN_BYTES = Byte.SIZE / Byte.SIZE;
47 /** Length of 3 bytes */
48 public static final byte SIZE_OF_3_BYTES = 3;
50 /** Empty (zero) int value */
51 public static final int EMPTY_VALUE = 0;
52 /** Common experimenter value */
53 public static final int EXPERIMENTER_VALUE = 0xFFFF;
56 /** OF v1.0 maximal port name length */
57 public static final byte MAX_PORT_NAME_LENGTH = 16;
58 /** OF v1.3 lenght of experimenter_ids - see Multipart TableFeatures (properties) message */
59 public static final byte EXPERIMENTER_IDS_LENGTH = 8;