bgp/extensions/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.rev200120.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.rev200120.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.rev200120.mac.mobility.extended.community.MacMobilityExtendedCommunity;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev200120.mac.mobility.extended.community.MacMobilityExtendedCommunityBuilder;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.extended.community.ExtendedCommunity;
  19 import org.opendaylight.yangtools.yang.common.netty.ByteBufUtils;
  20
  21 public final class MACMobExtCom extends AbstractExtendedCommunities {
  22     private static final int SUBTYPE = 0;
  23     private static final int RESERVED = 1;
  24
  25     @Override
  26     public ExtendedCommunity parseExtendedCommunity(final ByteBuf buffer)
  27             throws BGPDocumentedException, BGPParsingException {
  28         final boolean isStatic = buffer.readBoolean();
  29         buffer.skipBytes(RESERVED);
  30         return new MacMobilityExtendedCommunityCaseBuilder()
  31                 .setMacMobilityExtendedCommunity(new MacMobilityExtendedCommunityBuilder()
  32                     .setStatic(isStatic)
  33                     .setSeqNumber(ByteBufUtils.readUint32(buffer))
  34                     .build())
  35                 .build();
  36     }
  37
  38     @Override
  39     public void serializeExtendedCommunity(final ExtendedCommunity extendedCommunity, final ByteBuf byteAggregator) {
  40         Preconditions.checkArgument(extendedCommunity instanceof MacMobilityExtendedCommunityCase,
  41             "The extended community %s is not MacMobilityExtendedCommunityCase type.", extendedCommunity);
  42         final MacMobilityExtendedCommunity extCom = ((MacMobilityExtendedCommunityCase) extendedCommunity)
  43                 .getMacMobilityExtendedCommunity();
  44         byteAggregator.writeBoolean(extCom.getStatic());
  45         byteAggregator.writeZero(RESERVED);
  46         byteAggregator.writeInt(extCom.getSeqNumber().intValue());
  47     }
  48
  49     @Override
  50     public int getSubType() {
  51         return SUBTYPE;
  52     }
  53 }