bgp/linkstate/src/main/java/org/opendaylight/protocol/bgp/linkstate/impl/attribute/sr/binding/sid/sub/tlvs/SIDParser.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 org.opendaylight.protocol.bgp.linkstate.impl.attribute.sr.SidLabelIndexParser;
  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.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.ProtocolId;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sub.tlvs.BindingSubTlv;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sub.tlvs.binding.sub.tlv.SidLabelCase;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sub.tlvs.binding.sub.tlv.SidLabelCaseBuilder;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.sid.label.index.SidLabelIndex;
  22
  23 public final class SIDParser implements BindingSubTlvsParser, BindingSubTlvsSerializer {
  24     public static final int SID_TYPE = 1161;
  25
  26     @Override
  27     public BindingSubTlv parseSubTlv(final ByteBuf slice, final ProtocolId protocolId) {
  28         final SidLabelIndex sid = SidLabelIndexParser.parseSidLabelIndex(SidLabelIndexParser.Size.forValue(slice.readableBytes()), slice);
  29         return new SidLabelCaseBuilder().setSidLabelIndex(sid).build();
  30     }
  31
  32     @Override
  33     public int getType() {
  34         return SID_TYPE;
  35     }
  36
  37     @Override
  38     public void serializeSubTlv(final BindingSubTlv bindingSubTlv, final ByteBuf aggregator) {
  39         Preconditions.checkArgument(bindingSubTlv instanceof SidLabelCase, "Wrong BindingSubTlv instance expected", bindingSubTlv);
  40         TlvUtil.writeTLV(getType(), SidLabelIndexParser.serializeSidValue(((SidLabelCase) bindingSubTlv).getSidLabelIndex()), aggregator);
  41     }
  42 }