2 * Copyright (c) 2013 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.bgp.parser.impl.message.update;
10 import com.google.common.collect.Lists;
12 import io.netty.buffer.ByteBuf;
13 import io.netty.buffer.Unpooled;
15 import java.util.List;
17 import org.opendaylight.protocol.bgp.parser.AttributeFlags;
18 import org.opendaylight.protocol.bgp.parser.spi.AttributeParser;
19 import org.opendaylight.protocol.bgp.parser.spi.AttributeSerializer;
20 import org.opendaylight.protocol.concepts.Ipv4Util;
21 import org.opendaylight.protocol.util.ByteArray;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.PathAttributes;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.update.PathAttributesBuilder;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.ClusterIdentifier;
25 import org.opendaylight.yangtools.yang.binding.DataObject;
27 public final class ClusterIdAttributeParser implements AttributeParser, AttributeSerializer {
29 public static final int TYPE = 10;
30 public static final int ATTR_LENGTH = 4;
33 public void parseAttribute(final ByteBuf buffer, final PathAttributesBuilder builder) {
34 final List<ClusterIdentifier> list = Lists.newArrayList();
35 while (buffer.isReadable()) {
36 list.add(new ClusterIdentifier(Ipv4Util.addressForBytes(ByteArray.readBytes(buffer, ATTR_LENGTH))));
38 builder.setClusterId(list);
42 public void serializeAttribute(DataObject attribute, ByteBuf byteAggregator) {
43 PathAttributes pathAttributes = (PathAttributes) attribute;
44 if (pathAttributes.getClusterId() == null) {
47 ByteBuf clusterIdBuffer = Unpooled.buffer();
48 for (ClusterIdentifier clusterIdentifier : pathAttributes.getClusterId()) {
49 clusterIdBuffer.writeBytes(Ipv4Util.bytesForAddress(clusterIdentifier));
51 byteAggregator.writeByte(AttributeFlags.OPTIONAL);
52 byteAggregator.writeByte(TYPE);
53 byteAggregator.writeByte(clusterIdBuffer.writerIndex());
54 byteAggregator.writeBytes(clusterIdBuffer);