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
   9 package org.opendaylight.protocol.bgp.parser.impl.message.update.extended.communities;
  10
  11 import com.google.common.base.Preconditions;
  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.ByteArray;
  17 import org.opendaylight.protocol.util.ByteBufWriteUtil;
  18 import org.opendaylight.protocol.util.Ipv4Util;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.extended.community.ExtendedCommunity;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.extended.community.extended.community.Inet4SpecificExtendedCommunityCase;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.extended.community.extended.community.Inet4SpecificExtendedCommunityCaseBuilder;
  22 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;
  23 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;
  24
  25 public final class Ipv4SpecificEcHandler extends AbstractIpv4ExtendedCommunity {
  26
  27     private static final int SUBTYPE = 0;
  28
  29     @Override
  30     public ExtendedCommunity parseExtendedCommunity(final ByteBuf buffer) throws BGPDocumentedException, BGPParsingException {
  31         return new Inet4SpecificExtendedCommunityCaseBuilder().setInet4SpecificExtendedCommunity(
  32                 new Inet4SpecificExtendedCommunityBuilder().setGlobalAdministrator(
  33                         Ipv4Util.addressForByteBuf(buffer)).setLocalAdministrator(
  34                         ByteArray.readBytes(buffer, INET_LOCAL_ADMIN_LENGTH)).build()).build();
  35     }
  36
  37     @Override
  38     public void serializeExtendedCommunity(final ExtendedCommunity extendedCommunity, final ByteBuf byteAggregator) {
  39         Preconditions.checkArgument(extendedCommunity instanceof Inet4SpecificExtendedCommunityCase,
  40                 "The extended community %s is not Inet4SpecificExtendedCommunityCase type.", extendedCommunity);
  41         final Inet4SpecificExtendedCommunity inet4SpecificExtendedCommunity = ((Inet4SpecificExtendedCommunityCase) extendedCommunity).getInet4SpecificExtendedCommunity();
  42         ByteBufWriteUtil.writeIpv4Address(inet4SpecificExtendedCommunity.getGlobalAdministrator(), byteAggregator);
  43         byteAggregator.writeBytes(inet4SpecificExtendedCommunity.getLocalAdministrator());
  44     }
  45
  46     @Override
  47     public int getSubType() {
  48         return SUBTYPE;
  49     }
  50
  51 }