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.serialization.factories;
11 import io.netty.buffer.ByteBuf;
13 import org.opendaylight.openflowjava.protocol.impl.serialization.OFSerializer;
14 import org.opendaylight.openflowjava.protocol.impl.util.ByteBufUtils;
15 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.EchoInput;
18 * Translates EchoRequest messages (both OpenFlow v1.0 and OpenFlow v1.3)
19 * @author michal.polkorab
20 * @author timotej.kubas
22 public class EchoInputMessageFactory implements OFSerializer<EchoInput> {
24 /** Code type of EchoRequest message */
25 public static final byte MESSAGE_TYPE = 2;
26 private static EchoInputMessageFactory instance;
27 private static final int MESSAGE_LENGTH = 8;
29 private EchoInputMessageFactory() {
30 // do nothing, just singleton
34 * @return singleton factory
36 public static synchronized EchoInputMessageFactory getInstance() {
37 if (instance == null) {
38 instance = new EchoInputMessageFactory();
44 public void messageToBuffer(short version, ByteBuf out, EchoInput message) {
45 ByteBufUtils.writeOFHeader(instance, message, out);
46 byte[] data = message.getData();
53 public int computeLength(EchoInput message) {
54 int length = MESSAGE_LENGTH;
55 byte[] data = message.getData();
57 length += data.length;
63 public byte getMessageType() {