bgp/extensions/linkstate/src/main/java/org/opendaylight/protocol/bgp/linkstate/impl/attribute/sr/binding/sid/sub/tlvs/Ipv6PrefixSidParser.java

   1 /*
   2  * Copyright (c) 2016 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   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
   7  */
   8 package org.opendaylight.protocol.bgp.linkstate.impl.attribute.sr.binding.sid.sub.tlvs;
   9
  10 import static com.google.common.base.Preconditions.checkArgument;
  11
  12 import io.netty.buffer.ByteBuf;
  13 import io.netty.buffer.Unpooled;
  14 import org.opendaylight.protocol.bgp.linkstate.impl.attribute.sr.Ipv6SrPrefixAttributesParser;
  15 import org.opendaylight.protocol.bgp.linkstate.spi.BindingSubTlvsParser;
  16 import org.opendaylight.protocol.bgp.linkstate.spi.BindingSubTlvsSerializer;
  17 import org.opendaylight.protocol.bgp.linkstate.spi.TlvUtil;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.ProtocolId;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.prefix.state.Ipv6SrPrefix;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sub.tlvs.BindingSubTlv;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sub.tlvs.binding.sub.tlv.Ipv6PrefixSidCase;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sub.tlvs.binding.sub.tlv.Ipv6PrefixSidCaseBuilder;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sub.tlvs.binding.sub.tlv.ipv6.prefix.sid._case.Ipv6PrefixSid;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sub.tlvs.binding.sub.tlv.ipv6.prefix.sid._case.Ipv6PrefixSidBuilder;
  25
  26 public final class Ipv6PrefixSidParser implements BindingSubTlvsParser, BindingSubTlvsSerializer {
  27     public static final int IPV6_PREFIX_SID = 1169;
  28
  29     @Override
  30     public BindingSubTlv parseSubTlv(final ByteBuf slice, final ProtocolId protocolId) {
  31         final Ipv6SrPrefix ipv6Prefix = Ipv6SrPrefixAttributesParser.parseSrIpv6Prefix(slice);
  32         return new Ipv6PrefixSidCaseBuilder()
  33                 .setIpv6PrefixSid(new Ipv6PrefixSidBuilder().setAlgorithm(ipv6Prefix.getAlgorithm()).build())
  34                 .build();
  35     }
  36
  37     @Override
  38     public int getType() {
  39         return IPV6_PREFIX_SID;
  40     }
  41
  42     @Override
  43     public void serializeSubTlv(final BindingSubTlv bindingSubTlv, final ByteBuf aggregator) {
  44         checkArgument(bindingSubTlv instanceof Ipv6PrefixSidCase, "Wrong BindingSubTlv instance expected",
  45             bindingSubTlv);
  46         final Ipv6PrefixSid prefix = ((Ipv6PrefixSidCase) bindingSubTlv).getIpv6PrefixSid();
  47         final ByteBuf buffer = Unpooled.buffer();
  48         Ipv6SrPrefixAttributesParser.serializePrefixAttributes(prefix.getAlgorithm(), buffer);
  49         TlvUtil.writeTLV(getType(), buffer, aggregator);
  50     }
  51 }