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.inet.codec;
10 import com.google.common.base.Preconditions;
11 import io.netty.buffer.ByteBuf;
12 import org.opendaylight.protocol.bgp.parser.spi.BgpPrefixSidTlvParser;
13 import org.opendaylight.protocol.bgp.parser.spi.BgpPrefixSidTlvSerializer;
14 import org.opendaylight.protocol.util.BitArray;
15 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev180329.update.attributes.bgp.prefix.sid.bgp.prefix.sid.tlvs.bgp.prefix.sid.tlv.Ipv6SidTlv;
16 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev180329.update.attributes.bgp.prefix.sid.bgp.prefix.sid.tlvs.bgp.prefix.sid.tlv.Ipv6SidTlvBuilder;
17 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;
19 public final class Ipv6BgpPrefixSidParser implements BgpPrefixSidTlvParser, BgpPrefixSidTlvSerializer {
21 private static final int IPV6_SID_TYPE = 2;
22 private static final int RESERVED = 1;
23 private static final int FLAGS_SIZE = 2 * Byte.SIZE;
24 private static final int PROCESS_IPV6_HEADER_FLAG = 0;
27 public void serializeBgpPrefixSidTlv(final BgpPrefixSidTlv tlv, final ByteBuf bytes) {
28 Preconditions.checkArgument(tlv instanceof Ipv6SidTlv, "Incoming TLV is not Ipv6SidTlv");
29 final Ipv6SidTlv ipv6Tlv = (Ipv6SidTlv) tlv;
30 bytes.writeZero(RESERVED);
31 final BitArray flags = new BitArray(FLAGS_SIZE);
32 flags.set(PROCESS_IPV6_HEADER_FLAG, ipv6Tlv.isProcessIpv6HeadAbility());
33 flags.toByteBuf(bytes);
37 public Ipv6SidTlv parseBgpPrefixSidTlv(final ByteBuf buffer) {
38 buffer.readBytes(RESERVED);
39 final boolean canProcessIpv6Header = BitArray.valueOf(buffer, FLAGS_SIZE).get(PROCESS_IPV6_HEADER_FLAG);
40 return new Ipv6SidTlvBuilder().setProcessIpv6HeadAbility(canProcessIpv6Header).build();
44 public int getType() {