bgp/evpn/src/main/java/org/opendaylight/protocol/bgp/evpn/impl/extended/communities/MACMobExtCom.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.evpn.impl.extended.communities;
   9
  10 import com.google.common.base.Preconditions;
  11 import io.netty.buffer.ByteBuf;
  12 import org.opendaylight.protocol.bgp.parser.BGPDocumentedException;
  13 import org.opendaylight.protocol.bgp.parser.BGPParsingException;
  14 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.evpn.routes.evpn.routes.evpn.route.attributes.extended.communities.extended.community.MacMobilityExtendedCommunityCase;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.evpn.routes.evpn.routes.evpn.route.attributes.extended.communities.extended.community.MacMobilityExtendedCommunityCaseBuilder;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.mac.mobility.extended.community.MacMobilityExtendedCommunity;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.mac.mobility.extended.community.MacMobilityExtendedCommunityBuilder;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.extended.community.ExtendedCommunity;
  19
  20 public final class MACMobExtCom extends AbstractExtendedCommunities {
  21     private static final int SUBTYPE = 0;
  22     private static final int RESERVED = 1;
  23
  24     @Override
  25     public ExtendedCommunity parseExtendedCommunity(final ByteBuf buffer)
  26             throws BGPDocumentedException, BGPParsingException {
  27         final boolean isStatic = buffer.readBoolean();
  28         buffer.skipBytes(RESERVED);
  29         final long seqNumber = buffer.readUnsignedInt();
  30         return new MacMobilityExtendedCommunityCaseBuilder()
  31                 .setMacMobilityExtendedCommunity(new MacMobilityExtendedCommunityBuilder()
  32             .setStatic(isStatic).setSeqNumber(seqNumber).build()).build();
  33     }
  34
  35     @Override
  36     public void serializeExtendedCommunity(final ExtendedCommunity extendedCommunity, final ByteBuf byteAggregator) {
  37         Preconditions.checkArgument(extendedCommunity instanceof MacMobilityExtendedCommunityCase,
  38             "The extended community %s is not MacMobilityExtendedCommunityCase type.", extendedCommunity);
  39         final MacMobilityExtendedCommunity extCom = ((MacMobilityExtendedCommunityCase) extendedCommunity)
  40                 .getMacMobilityExtendedCommunity();
  41         byteAggregator.writeBoolean(extCom.isStatic());
  42         byteAggregator.writeZero(RESERVED);
  43         byteAggregator.writeInt(extCom.getSeqNumber().intValue());
  44     }
  45
  46     @Override
  47     public int getSubType() {
  48         return SUBTYPE;
  49     }
  50 }