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.base.Preconditions;
11 import io.netty.buffer.ByteBuf;
12 import io.netty.buffer.Unpooled;
13 import org.opendaylight.protocol.bgp.parser.AttributeFlags;
14 import org.opendaylight.protocol.bgp.parser.spi.AttributeParser;
15 import org.opendaylight.protocol.bgp.parser.spi.AttributeSerializer;
16 import org.opendaylight.protocol.util.ByteArray;
17 import org.opendaylight.protocol.util.Ipv4Util;
18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.PathAttributes;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.update.PathAttributesBuilder;
20 import org.opendaylight.yangtools.yang.binding.DataObject;
23 public final class OriginatorIdAttributeParser implements AttributeParser,AttributeSerializer {
25 public static final int TYPE = 9;
26 public static final int ATTR_LENGTH = 4;
29 public void parseAttribute(final ByteBuf buffer, final PathAttributesBuilder builder) {
30 Preconditions.checkArgument(buffer.readableBytes() == ATTR_LENGTH, "Length of byte array for ORIGINATOR_ID should be %s, but is %s", ATTR_LENGTH, buffer.readableBytes());
31 builder.setOriginatorId(Ipv4Util.addressForBytes(ByteArray.readBytes(buffer, ATTR_LENGTH)));
35 public void serializeAttribute(DataObject attribute, ByteBuf byteAggregator) {
36 PathAttributes pathAttributes = (PathAttributes) attribute;
37 if (pathAttributes.getOriginatorId() == null) {
40 ByteBuf originatorIdBuf = Unpooled.buffer();
41 originatorIdBuf.writeBytes(Ipv4Util.bytesForAddress(pathAttributes.getOriginatorId()));
42 byteAggregator.writeByte(AttributeFlags.OPTIONAL);
43 byteAggregator.writeByte(TYPE);
44 byteAggregator.writeByte(originatorIdBuf.writerIndex());
45 byteAggregator.writeBytes(originatorIdBuf);