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.linkstate.impl.tlvs;
10 import com.google.common.annotations.VisibleForTesting;
11 import io.netty.buffer.ByteBuf;
12 import io.netty.buffer.Unpooled;
13 import org.opendaylight.protocol.bgp.linkstate.spi.LinkstateTlvParser;
14 import org.opendaylight.protocol.util.ByteBufWriteUtil;
15 import org.opendaylight.protocol.util.Ipv4Util;
16 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpPrefix;
17 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix;
18 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6Prefix;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.linkstate.object.type.prefix._case.PrefixDescriptors;
20 import org.opendaylight.yangtools.yang.common.QName;
21 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
22 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
23 import org.slf4j.Logger;
24 import org.slf4j.LoggerFactory;
26 public final class ReachTlvParser implements LinkstateTlvParser.LinkstateTlvSerializer<IpPrefix>,
27 LinkstateTlvParser<IpPrefix> {
28 public static final QName IP_REACHABILITY_QNAME = QName.create(PrefixDescriptors.QNAME,
29 "ip-reachability-information").intern();
31 public static final NodeIdentifier IP_REACH_NID = NodeIdentifier.create(IP_REACHABILITY_QNAME);
32 private static final Logger LOG = LoggerFactory.getLogger(ReachTlvParser.class);
33 private static final int IP_REACHABILITY = 265;
36 public IpPrefix parseTlvBody(final ByteBuf value) {
37 return new IpPrefix(Ipv4Util.prefixForByteBuf(value));
41 public QName getTlvQName() {
42 return IP_REACHABILITY_QNAME;
46 public void serializeTlvBody(final IpPrefix tlv, final ByteBuf body) {
47 if (tlv.getIpv4Prefix() != null) {
48 ByteBufWriteUtil.writeMinimalPrefix(tlv.getIpv4Prefix(), body);
49 } else if (tlv.getIpv6Prefix() != null) {
50 ByteBufWriteUtil.writeMinimalPrefix(tlv.getIpv6Prefix(), body);
55 public int getType() {
56 return IP_REACHABILITY;
59 public static IpPrefix serializeModel(final ContainerNode prefixDesc) {
60 if (prefixDesc.getChild(IP_REACH_NID).isPresent()) {
61 final String prefix = (String) prefixDesc.getChild(IP_REACH_NID).get().getValue();
63 final ByteBuf buffer = Unpooled.buffer(5);
64 ByteBufWriteUtil.writeMinimalPrefix(new Ipv4Prefix(prefix), buffer);
65 return new IpPrefix(new Ipv4Prefix(prefix));
66 } catch (final IllegalArgumentException e) {
67 LOG.debug("Creating Ipv6 prefix because", e);
68 return new IpPrefix(new Ipv6Prefix(prefix));