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.deserialization.factories;
11 import io.netty.buffer.ByteBuf;
13 import org.opendaylight.openflowjava.protocol.impl.deserialization.OFDeserializer;
14 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.HelloMessage;
15 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.HelloMessageBuilder;
18 * Translates Hello messages (OpenFlow v1.0)
19 * @author michal.polkorab
21 public class OF10HelloMessageFactory implements OFDeserializer<HelloMessage> {
23 private static OF10HelloMessageFactory instance;
25 private OF10HelloMessageFactory() {
26 // do nothing, just singleton
30 * @return singleton factory
32 public static synchronized OF10HelloMessageFactory getInstance() {
33 if (instance == null) {
34 instance = new OF10HelloMessageFactory();
40 public HelloMessage bufferToMessage(ByteBuf rawMessage, short version) {
41 HelloMessageBuilder builder = new HelloMessageBuilder();
42 builder.setVersion(version);
43 builder.setXid(rawMessage.readUnsignedInt());
44 if (rawMessage.readableBytes() > 0) {
45 rawMessage.skipBytes(rawMessage.readableBytes());
47 return builder.build();