2 * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
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
9 package org.opendaylight.protocol.bgp.flowspec.extended.communities;
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.ExtendedCommunityParser;
16 import org.opendaylight.protocol.bgp.parser.spi.extended.community.ExtendedCommunitySerializer;
17 import org.opendaylight.protocol.util.ByteArray;
18 import org.opendaylight.protocol.util.ByteBufWriteUtil;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev180329.redirect.extended.community.RedirectExtendedCommunity;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev180329.redirect.extended.community.RedirectExtendedCommunityBuilder;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev180329.update.attributes.extended.communities.extended.community.RedirectExtendedCommunityCaseBuilder;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.ShortAsNumber;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.extended.community.ExtendedCommunity;
25 public class RedirectAsTwoOctetEcHandler implements ExtendedCommunityParser, ExtendedCommunitySerializer {
27 private static final int TYPE = 128;
29 private static final int SUBTYPE = 8;
31 private static final int TRAFFIC_RATE_SIZE = 4;
34 public void serializeExtendedCommunity(final ExtendedCommunity extendedCommunity, final ByteBuf byteAggregator) {
35 Preconditions.checkArgument(extendedCommunity instanceof org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev180329.RedirectExtendedCommunity,
36 "The extended community %s is not RedirectExtendedCommunityCase type.", extendedCommunity);
37 final RedirectExtendedCommunity redirect = ((org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev180329.RedirectExtendedCommunity) extendedCommunity).getRedirectExtendedCommunity();
38 ByteBufWriteUtil.writeUnsignedShort(redirect.getGlobalAdministrator().getValue().intValue(), byteAggregator);
39 byteAggregator.writeBytes(redirect.getLocalAdministrator());
43 public int getType(final boolean isTransitive) {
44 //redirect is transitive only
49 public int getSubType() {
54 public ExtendedCommunity parseExtendedCommunity(final ByteBuf buffer) throws BGPDocumentedException, BGPParsingException {
55 final ShortAsNumber as1 = new ShortAsNumber((long) buffer.readUnsignedShort());
56 final byte[] byteValue = ByteArray.readBytes(buffer, TRAFFIC_RATE_SIZE);
57 return new RedirectExtendedCommunityCaseBuilder().setRedirectExtendedCommunity(
58 new RedirectExtendedCommunityBuilder()
59 .setGlobalAdministrator(as1)
60 .setLocalAdministrator(byteValue)