bgp/parser-impl/src/main/java/org/opendaylight/protocol/bgp/parser/impl/message/update/extended/communities/Ipv4SpecificEcHandler.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 import static org.opendaylight.protocol.bgp.parser.spi.extended.community.Inet4SpecificExtendedCommunityCommonUtil.parseCommon;
  12 import static org.opendaylight.protocol.bgp.parser.spi.extended.community.Inet4SpecificExtendedCommunityCommonUtil.serializeCommon;
  13
  14 import io.netty.buffer.ByteBuf;
  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.Inet4SpecificExtendedCommunityCase;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.extended.community.extended.community.Inet4SpecificExtendedCommunityCaseBuilder;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.extended.community.extended.community.inet4.specific.extended.community._case.Inet4SpecificExtendedCommunity;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.extended.community.extended.community.inet4.specific.extended.community._case.Inet4SpecificExtendedCommunityBuilder;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.inet4.specific.extended.community.common.Inet4SpecificExtendedCommunityCommon;
  23
  24 public final class Ipv4SpecificEcHandler extends AbstractIpv4ExtendedCommunity {
  25     private static final int SUBTYPE = 0;
  26
  27     @Override
  28     public ExtendedCommunity parseExtendedCommunity(final ByteBuf buffer) {
  29         return new Inet4SpecificExtendedCommunityCaseBuilder().setInet4SpecificExtendedCommunity(
  30                 new Inet4SpecificExtendedCommunityBuilder()
  31                         .setInet4SpecificExtendedCommunityCommon(parseCommon(buffer))
  32                         .build()).build();
  33     }
  34
  35     @Override
  36     public void serializeExtendedCommunity(final ExtendedCommunity extendedCommunity, final ByteBuf byteAggregator) {
  37         checkArgument(extendedCommunity instanceof Inet4SpecificExtendedCommunityCase,
  38                 "The extended community %s is not Inet4SpecificExtendedCommunityCase type.", extendedCommunity);
  39         final Inet4SpecificExtendedCommunity inet4SpecificExtendedCommunity
  40                 = ((Inet4SpecificExtendedCommunityCase) extendedCommunity).getInet4SpecificExtendedCommunity();
  41
  42         final Inet4SpecificExtendedCommunityCommon common
  43                 = inet4SpecificExtendedCommunity.getInet4SpecificExtendedCommunityCommon();
  44         if (common != null) {
  45             serializeCommon(inet4SpecificExtendedCommunity.getInet4SpecificExtendedCommunityCommon(), byteAggregator);
  46         } else {
  47             Ipv4Util.writeIpv4Address(inet4SpecificExtendedCommunity.getGlobalAdministrator(), byteAggregator);
  48             byteAggregator.writeBytes(inet4SpecificExtendedCommunity.getLocalAdministrator());
  49         }
  50     }
  51
  52     @Override
  53     public int getSubType() {
  54         return SUBTYPE;
  55     }
  56 }