2 * Copyright (c) 2016 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 static java.util.Objects.requireNonNull;
12 import com.google.common.base.Preconditions;
13 import io.netty.buffer.ByteBuf;
14 import java.util.ArrayList;
15 import java.util.List;
16 import org.opendaylight.protocol.bgp.parser.BGPDocumentedException;
17 import org.opendaylight.protocol.bgp.parser.BGPParsingException;
18 import org.opendaylight.protocol.bgp.parser.spi.AttributeParser;
19 import org.opendaylight.protocol.bgp.parser.spi.AttributeSerializer;
20 import org.opendaylight.protocol.bgp.parser.spi.BgpPrefixSidTlvRegistry;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.path.attributes.Attributes;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.path.attributes.AttributesBuilder;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.path.attributes.attributes.BgpPrefixSid;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.path.attributes.attributes.BgpPrefixSidBuilder;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.path.attributes.attributes.bgp.prefix.sid.BgpPrefixSidTlvs;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.path.attributes.attributes.bgp.prefix.sid.BgpPrefixSidTlvsBuilder;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.path.attributes.attributes.bgp.prefix.sid.bgp.prefix.sid.tlvs.BgpPrefixSidTlv;
28 import org.opendaylight.yangtools.yang.binding.DataObject;
30 public final class BgpPrefixSidAttributeParser implements AttributeParser, AttributeSerializer {
32 public static final int TYPE = 40;
34 private final BgpPrefixSidTlvRegistry reg;
36 public BgpPrefixSidAttributeParser(final BgpPrefixSidTlvRegistry registry) {
37 this.reg = requireNonNull(registry);
41 public void serializeAttribute(final DataObject attribute, final ByteBuf byteAggregator) {
42 Preconditions.checkArgument(attribute instanceof Attributes, "Attribute parameter is not a PathAttribute object.");
43 final Attributes pathAttributes = (Attributes) attribute;
44 final BgpPrefixSid prefixSid = pathAttributes.getBgpPrefixSid();
45 if (prefixSid == null) {
48 for (final BgpPrefixSidTlvs tlv : prefixSid.getBgpPrefixSidTlvs()) {
49 this.reg.serializeBgpPrefixSidTlv(tlv.getBgpPrefixSidTlv(), byteAggregator);
54 public void parseAttribute(final ByteBuf buffer, final AttributesBuilder builder) throws BGPDocumentedException, BGPParsingException {
55 final BgpPrefixSidBuilder sid = new BgpPrefixSidBuilder();
56 final List<BgpPrefixSidTlvs> tlvList = new ArrayList<>();
57 while (buffer.isReadable()) {
58 final BgpPrefixSidTlv tlv = this.reg.parseBgpPrefixSidTlv(buffer.readUnsignedByte(), buffer);
59 tlvList.add(new BgpPrefixSidTlvsBuilder().setBgpPrefixSidTlv(tlv).build());
61 builder.setBgpPrefixSid(sid.setBgpPrefixSidTlvs(tlvList).build());