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

   1 /*
   2  * Copyright (c) 2018 AT&T Intellectual Property. 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.route.target;
  10
  11 import static org.opendaylight.protocol.bgp.parser.spi.extended.community.AbstractTwoOctetAsExtendedCommunity.AS_LOCAL_ADMIN_LENGTH;
  12
  13 import com.google.common.primitives.Ints;
  14 import io.netty.buffer.ByteBuf;
  15 import org.opendaylight.protocol.util.ByteArray;
  16 import org.opendaylight.protocol.util.ByteBufWriteUtil;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.ShortAsNumber;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.route.target.extended.community.grouping.RouteTargetExtendedCommunity;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.route.target.extended.community.grouping.RouteTargetExtendedCommunityBuilder;
  20
  21 /**
  22  * Route Target Extended Community Parser / Serializer.
  23  *
  24  * @author Claudio D. Gasparini
  25  */
  26 public final class RouteTargetExtendedCommunityHandler {
  27     private RouteTargetExtendedCommunityHandler() {
  28         throw new UnsupportedOperationException();
  29     }
  30
  31     public static RouteTargetExtendedCommunity parse(final ByteBuf buffer) {
  32         return new RouteTargetExtendedCommunityBuilder()
  33                 .setGlobalAdministrator(new ShortAsNumber((long) buffer.readUnsignedShort()))
  34                 .setLocalAdministrator(ByteArray.readBytes(buffer, AS_LOCAL_ADMIN_LENGTH))
  35                 .build();
  36     }
  37
  38     public static void serialize(final RouteTargetExtendedCommunity routeTarget, final ByteBuf byteAggregator) {
  39         ByteBufWriteUtil.writeUnsignedShort(Ints.checkedCast(routeTarget.getGlobalAdministrator().getValue()),
  40                 byteAggregator);
  41         byteAggregator.writeBytes(routeTarget.getLocalAdministrator());
  42     }
  43 }