2 * Copyright (c) 2016 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.evpn.impl.nlri;
11 import static java.util.Objects.requireNonNull;
12 import static org.opendaylight.protocol.bgp.evpn.impl.nlri.NlriModelUtil.extractETI;
13 import static org.opendaylight.protocol.bgp.evpn.impl.nlri.NlriModelUtil.extractOrigRouteIp;
15 import com.google.common.base.Preconditions;
16 import io.netty.buffer.ByteBuf;
17 import io.netty.buffer.Unpooled;
18 import org.opendaylight.protocol.util.ByteBufWriteUtil;
19 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev171213.NlriType;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev171213.ethernet.tag.id.EthernetTagId;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev171213.ethernet.tag.id.EthernetTagIdBuilder;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev171213.evpn.EvpnChoice;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev171213.evpn.evpn.choice.IncMultiEthernetTagResCase;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev171213.evpn.evpn.choice.IncMultiEthernetTagResCaseBuilder;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev171213.inc.multi.ethernet.tag.res.IncMultiEthernetTagRes;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev171213.inc.multi.ethernet.tag.res.IncMultiEthernetTagResBuilder;
28 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
29 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
31 final class IncMultEthTagRParser extends AbstractEvpnNlri {
32 protected static final NodeIdentifier INC_MULT_ROUTE_NID = new NodeIdentifier(IncMultiEthernetTagRes.QNAME);
33 private static final int CONTENT_LENGTH = 9;
34 private static final int CONTENT_LENGTH2 = 21;
37 public EvpnChoice parseEvpn(final ByteBuf buffer) {
38 Preconditions.checkArgument(buffer.readableBytes() == CONTENT_LENGTH || buffer.readableBytes() == CONTENT_LENGTH2,
39 "Wrong length of array of bytes. Passed: %s ;", buffer);
41 final EthernetTagId eti = new EthernetTagIdBuilder().setVlanId(buffer.readUnsignedInt()).build();
42 IpAddress ip = requireNonNull(EthSegRParser.parseOrigRouteIp(buffer));
43 final IncMultiEthernetTagResBuilder builder = new IncMultiEthernetTagResBuilder().setEthernetTagId(eti).setOrigRouteIp(ip);
44 return new IncMultiEthernetTagResCaseBuilder().setIncMultiEthernetTagRes(builder.build()).build();
48 protected NlriType getType() {
49 return NlriType.IncMultEthTag;
53 public ByteBuf serializeBody(final EvpnChoice evpn) {
54 Preconditions.checkArgument(evpn instanceof IncMultiEthernetTagResCase, "Unknown evpn instance. Passed %s. Needed IncMultiEthernetTagResCase.",
56 return serializeBody(((IncMultiEthernetTagResCase) evpn).getIncMultiEthernetTagRes());
60 public EvpnChoice serializeEvpnModel(final ContainerNode evpn) {
61 return createRouteKey(evpn);
65 public EvpnChoice createRouteKey(final ContainerNode evpn) {
66 final IncMultiEthernetTagResBuilder builder = new IncMultiEthernetTagResBuilder();
67 builder.setEthernetTagId(extractETI(evpn));
68 builder.setOrigRouteIp(extractOrigRouteIp(evpn));
69 return new IncMultiEthernetTagResCaseBuilder().setIncMultiEthernetTagRes(builder.build()).build();
72 private static ByteBuf serializeBody(final IncMultiEthernetTagRes evpn) {
73 final ByteBuf body = Unpooled.buffer();
74 ByteBufWriteUtil.writeUnsignedInt(evpn.getEthernetTagId().getVlanId(), body);
75 final ByteBuf orig = EthSegRParser.serializeOrigRouteIp(evpn.getOrigRouteIp());
76 Preconditions.checkArgument(orig.readableBytes() > 0);
77 body.writeBytes(orig);