bgp/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
   9 package org.opendaylight.protocol.bgp.linkstate.impl.attribute.sr.binding.sid.sub.tlvs;
  10
  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.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
  24 public final class Ipv6PrefixSidParser implements BindingSubTlvsParser, BindingSubTlvsSerializer {
  25     public static final int IPV6_PREFIX_SID = 1169;
  26
  27     @Override
  28     public BindingSubTlv parseSubTlv(final ByteBuf slice, final ProtocolId protocolId) {
  29         final Ipv6SrPrefix ipv6Prefix = Ipv6SrPrefixAttributesParser.parseSrIpv6Prefix(slice);
  30         return new Ipv6PrefixSidCaseBuilder().setAlgorithm(ipv6Prefix.getAlgorithm()).build();
  31     }
  32
  33     @Override
  34     public int getType() {
  35         return IPV6_PREFIX_SID;
  36     }
  37
  38     @Override
  39     public void serializeSubTlv(final BindingSubTlv bindingSubTlv, final ByteBuf aggregator) {
  40         Preconditions.checkArgument(bindingSubTlv instanceof Ipv6PrefixSidCase, "Wrong BindingSubTlv instance expected", bindingSubTlv);
  41         final Ipv6PrefixSidCase prefix = (Ipv6PrefixSidCase) bindingSubTlv;
  42         final ByteBuf buffer = Unpooled.buffer();
  43         Ipv6SrPrefixAttributesParser.serializePrefixAttributes(prefix.getAlgorithm(), buffer);
  44         TlvUtil.writeTLV(getType(), buffer, aggregator);
  45     }
  46 }