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
9 package org.opendaylight.protocol.bgp.linkstate.impl.attribute.sr.binding.sid.sub.tlvs;
11 import com.google.common.base.Preconditions;
12 import io.netty.buffer.ByteBuf;
13 import io.netty.buffer.Unpooled;
14 import org.opendaylight.protocol.bgp.linkstate.spi.BindingSubTlvsParser;
15 import org.opendaylight.protocol.bgp.linkstate.spi.BindingSubTlvsSerializer;
16 import org.opendaylight.protocol.bgp.linkstate.spi.TlvUtil;
17 import org.opendaylight.protocol.util.BitArray;
18 import org.opendaylight.protocol.util.Ipv6Util;
19 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6Address;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.ProtocolId;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sub.tlvs.BindingSubTlv;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sub.tlvs.binding.sub.tlv.Ipv6EroCase;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sub.tlvs.binding.sub.tlv.Ipv6EroCaseBuilder;
25 public final class Ipv6EroParser implements BindingSubTlvsParser, BindingSubTlvsSerializer {
26 private static final int ERO_IPV6 = 1164;
29 public BindingSubTlv parseSubTlv(final ByteBuf slice, final ProtocolId protocolId) {
30 final Ipv6EroCase ipv6ero = parseIpv6EroCase(slice);
31 return new Ipv6EroCaseBuilder().setAddress(ipv6ero.getAddress()).setLoose(ipv6ero.isLoose()).build();
35 public int getType() {
40 public void serializeSubTlv(final BindingSubTlv bindingSubTlv, final ByteBuf aggregator) {
41 Preconditions.checkArgument(bindingSubTlv instanceof Ipv6EroCase, "Wrong BindingSubTlv instance expected", bindingSubTlv);
42 final Ipv6EroCase ipv6Ero = (Ipv6EroCase) bindingSubTlv;
43 TlvUtil.writeTLV(getType(), serializeIpv6EroCase(ipv6Ero.isLoose(), ipv6Ero.getAddress()), aggregator);
46 public static Ipv6EroCase parseIpv6EroCase(final ByteBuf buffer) {
47 final Ipv6EroCaseBuilder builder = new Ipv6EroCaseBuilder();
48 final BitArray flags = BitArray.valueOf(buffer, Ipv4EroParser.FLAGS_SIZE);
49 builder.setLoose(flags.get(Ipv4EroParser.LOOSE));
50 buffer.skipBytes(Ipv4EroParser.RESERVED_ERO);
51 builder.setAddress(Ipv6Util.addressForByteBuf(buffer));
52 return builder.build();
55 static ByteBuf serializeIpv6EroCase(final Boolean loose, final Ipv6Address address) {
56 final ByteBuf buffer = Unpooled.buffer();
57 Ipv4EroParser.serializeEroFlags(buffer, loose);
58 buffer.writeBytes(Ipv6Util.byteBufForAddress(address));