bgp/parser-impl/src/main/java/org/opendaylight/protocol/bgp/parser/impl/message/update/extended/communities/RouteOriginIpv4EcHandler.java

   1 /*
   2  * Copyright (c) 2015 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.parser.impl.message.update.extended.communities;
   9
  10 import static com.google.common.base.Preconditions.checkArgument;
  11
  12 import io.netty.buffer.ByteBuf;
  13 import org.opendaylight.protocol.bgp.parser.BGPDocumentedException;
  14 import org.opendaylight.protocol.bgp.parser.BGPParsingException;
  15 import org.opendaylight.protocol.bgp.parser.spi.extended.community.AbstractIpv4ExtendedCommunity;
  16 import org.opendaylight.protocol.util.Ipv4Util;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.extended.community.ExtendedCommunity;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.extended.community.extended.community.RouteOriginIpv4Case;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.extended.community.extended.community.RouteOriginIpv4CaseBuilder;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.extended.community.extended.community.route.origin.ipv4._case.RouteOriginIpv4;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.extended.community.extended.community.route.origin.ipv4._case.RouteOriginIpv4Builder;
  22 import org.opendaylight.yangtools.yang.common.netty.ByteBufUtils;
  23
  24 public final class RouteOriginIpv4EcHandler extends AbstractIpv4ExtendedCommunity {
  25     private static final int SUBTYPE = 3;
  26
  27     @Override
  28     public void serializeExtendedCommunity(final ExtendedCommunity extendedCommunity, final ByteBuf byteAggregator) {
  29         checkArgument(extendedCommunity instanceof RouteOriginIpv4Case,
  30                 "The extended community %s is not RouteOriginIpv4Case type.", extendedCommunity);
  31         final RouteOriginIpv4 routeTarget = ((RouteOriginIpv4Case) extendedCommunity).getRouteOriginIpv4();
  32         Ipv4Util.writeIpv4Address(routeTarget.getGlobalAdministrator(), byteAggregator);
  33         ByteBufUtils.writeOrZero(byteAggregator, routeTarget.getLocalAdministrator());
  34     }
  35
  36     @Override
  37     public ExtendedCommunity parseExtendedCommunity(final ByteBuf buffer)
  38             throws BGPDocumentedException, BGPParsingException {
  39         return new RouteOriginIpv4CaseBuilder()
  40                 .setRouteOriginIpv4(new RouteOriginIpv4Builder()
  41                     .setGlobalAdministrator(Ipv4Util.addressForByteBuf(buffer))
  42                     .setLocalAdministrator(ByteBufUtils.readUint16(buffer))
  43                     .build())
  44                 .build();
  45     }
  46
  47     @Override
  48     public int getSubType() {
  49         return SUBTYPE;
  50     }
  51 }