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 org.opendaylight.protocol.bgp.evpn.impl.nlri.NlriModelUtil.extractETI;
12 import static org.opendaylight.protocol.bgp.evpn.impl.nlri.NlriModelUtil.extractOrigRouteIp;
14 import com.google.common.base.Preconditions;
15 import io.netty.buffer.ByteBuf;
16 import io.netty.buffer.Unpooled;
17 import org.opendaylight.bgp.concepts.IpAddressUtil;
18 import org.opendaylight.protocol.util.ByteBufUtils;
19 import org.opendaylight.protocol.util.ByteBufWriteUtil;
20 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.NlriType;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.ethernet.tag.id.EthernetTagId;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.ethernet.tag.id.EthernetTagIdBuilder;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.evpn.EvpnChoice;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.evpn.evpn.choice.IncMultiEthernetTagResCase;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.evpn.evpn.choice.IncMultiEthernetTagResCaseBuilder;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.inc.multi.ethernet.tag.res.IncMultiEthernetTagRes;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.inc.multi.ethernet.tag.res.IncMultiEthernetTagResBuilder;
29 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
30 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
32 final class IncMultEthTagRParser extends AbstractEvpnNlri {
33 static final NodeIdentifier INC_MULT_ROUTE_NID = new NodeIdentifier(IncMultiEthernetTagRes.QNAME);
34 private static final int CONTENT_LENGTH = 9;
35 private static final int CONTENT_LENGTH2 = 21;
37 private static EvpnChoice serializeModel(final ContainerNode evpn) {
38 final IncMultiEthernetTagResBuilder builder = new IncMultiEthernetTagResBuilder();
39 builder.setEthernetTagId(extractETI(evpn));
40 builder.setOrigRouteIp(extractOrigRouteIp(evpn));
41 return new IncMultiEthernetTagResCaseBuilder().setIncMultiEthernetTagRes(builder.build()).build();
45 public EvpnChoice parseEvpn(final ByteBuf buffer) {
46 Preconditions.checkArgument(buffer.readableBytes() == CONTENT_LENGTH
47 || buffer.readableBytes() == CONTENT_LENGTH2,
48 "Wrong length of array of bytes. Passed: %s ;", buffer);
50 final EthernetTagId eti = new EthernetTagIdBuilder().setVlanId(ByteBufUtils.readUint32(buffer)).build();
51 IpAddress ip = IpAddressUtil.addressForByteBuf(buffer);
52 final IncMultiEthernetTagResBuilder builder = new IncMultiEthernetTagResBuilder()
53 .setEthernetTagId(eti).setOrigRouteIp(ip);
54 return new IncMultiEthernetTagResCaseBuilder().setIncMultiEthernetTagRes(builder.build()).build();
58 protected NlriType getType() {
59 return NlriType.IncMultEthTag;
63 public ByteBuf serializeBody(final EvpnChoice evpnChoice) {
64 Preconditions.checkArgument(evpnChoice instanceof IncMultiEthernetTagResCase,
65 "Unknown evpn instance. Passed %s. Needed IncMultiEthernetTagResCase.",
66 evpnChoice.getClass());
68 final IncMultiEthernetTagRes evpn = ((IncMultiEthernetTagResCase) evpnChoice).getIncMultiEthernetTagRes();
69 final ByteBuf body = Unpooled.buffer();
70 ByteBufWriteUtil.writeUnsignedInt(evpn.getEthernetTagId().getVlanId(), body);
71 final ByteBuf orig = IpAddressUtil.bytesFor(evpn.getOrigRouteIp());
72 Preconditions.checkArgument(orig.readableBytes() > 0);
73 body.writeBytes(orig);
78 public EvpnChoice serializeEvpnModel(final ContainerNode evpn) {
79 return serializeModel(evpn);
83 public EvpnChoice createRouteKey(final ContainerNode evpn) {
84 return serializeModel(evpn);