bgp/extensions/flowspec/src/main/java/org/opendaylight/protocol/bgp/flowspec/extended/communities/RedirectIpv4EcHandler.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.flowspec.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.spi.extended.community.ExtendedCommunityParser;
  14 import org.opendaylight.protocol.bgp.parser.spi.extended.community.ExtendedCommunitySerializer;
  15 import org.opendaylight.protocol.util.Ipv4Util;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev180329.redirect.ipv4.extended.community.RedirectIpv4;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev180329.redirect.ipv4.extended.community.RedirectIpv4Builder;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev180329.update.attributes.extended.communities.extended.community.RedirectIpv4ExtendedCommunityCaseBuilder;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.extended.community.ExtendedCommunity;
  20 import org.opendaylight.yangtools.yang.common.netty.ByteBufUtils;
  21
  22 public class RedirectIpv4EcHandler implements ExtendedCommunityParser, ExtendedCommunitySerializer {
  23     private static final int TYPE = 129;
  24     private static final int SUBTYPE = 8;
  25
  26     @Override
  27     public void serializeExtendedCommunity(final ExtendedCommunity extendedCommunity, final ByteBuf byteAggregator) {
  28         checkArgument(extendedCommunity instanceof org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp
  29             .flowspec.rev180329.RedirectIpv4ExtendedCommunity,
  30                 "The extended community %s is not RedirectIpv4ExtendedCommunityCase type.", extendedCommunity);
  31         final RedirectIpv4 redirect = ((org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec
  32                 .rev180329.RedirectIpv4ExtendedCommunity) extendedCommunity).getRedirectIpv4();
  33         Ipv4Util.writeIpv4Address(redirect.getGlobalAdministrator(), byteAggregator);
  34         ByteBufUtils.writeOrZero(byteAggregator, redirect.getLocalAdministrator());
  35     }
  36
  37     @Override
  38     public ExtendedCommunity parseExtendedCommunity(final ByteBuf buffer) {
  39         return new RedirectIpv4ExtendedCommunityCaseBuilder()
  40                 .setRedirectIpv4(new RedirectIpv4Builder()
  41                     .setGlobalAdministrator(Ipv4Util.addressForByteBuf(buffer))
  42                     .setLocalAdministrator(ByteBufUtils.readUint16(buffer))
  43                     .build())
  44                 .build();
  45     }
  46
  47     @Override
  48     public int getType(final boolean isTransitive) {
  49         return TYPE;
  50     }
  51
  52     @Override
  53     public int getSubType() {
  54         return SUBTYPE;
  55     }
  56 }