2 * Copyright (c) 2018 AT&T Intellectual Property. 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
8 package org.opendaylight.protocol.pcep.parser.object.end.points;
10 import static com.google.common.base.Preconditions.checkArgument;
12 import io.netty.buffer.ByteBuf;
13 import io.netty.buffer.Unpooled;
14 import java.util.ArrayList;
15 import java.util.List;
16 import org.opendaylight.protocol.pcep.spi.CommonObjectParser;
17 import org.opendaylight.protocol.pcep.spi.ObjectUtil;
18 import org.opendaylight.protocol.pcep.spi.PCEPDeserializerException;
19 import org.opendaylight.protocol.pcep.spi.PCEPErrors;
20 import org.opendaylight.protocol.pcep.spi.UnknownObject;
21 import org.opendaylight.protocol.util.Ipv6Util;
22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6AddressNoZone;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.Object;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.ObjectHeader;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.P2mpLeaves;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.endpoints.address.family.P2mpIpv6CaseBuilder;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.endpoints.address.family.p2mp.ipv6._case.P2mpIpv6;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.endpoints.address.family.p2mp.ipv6._case.P2mpIpv6Builder;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.endpoints.object.EndpointsObjBuilder;
30 import org.slf4j.Logger;
31 import org.slf4j.LoggerFactory;
33 public class PCEPP2MPEndPointsIpv6ObjectParser extends CommonObjectParser {
34 private static final int CLASS = 4;
35 private static final int TYPE = 4;
36 private static final int LEAF_TYPE_SIZE = 32;
37 private static final Logger LOG = LoggerFactory.getLogger(PCEPP2MPEndPointsIpv6ObjectParser.class);
39 public PCEPP2MPEndPointsIpv6ObjectParser() {
43 public static void serializeObject(
44 final Boolean processing,
46 final P2mpIpv6 p2mpIpv6,
47 final ByteBuf buffer) {
48 final List<Ipv6AddressNoZone> dest = p2mpIpv6.getDestinationIpv6Address();
49 checkArgument(dest != null, "DestinationIpv6Address is mandatory.");
51 Unpooled.buffer(LEAF_TYPE_SIZE + Ipv6Util.IPV6_LENGTH + Ipv6Util.IPV6_LENGTH * dest.size());
52 checkArgument(p2mpIpv6.getSourceIpv6Address() != null, "SourceIpv6Address is mandatory.");
53 body.writeInt(p2mpIpv6.getP2mpLeaves().getIntValue());
54 Ipv6Util.writeIpv6Address(p2mpIpv6.getSourceIpv6Address(), body);
55 dest.forEach(ipv6 -> Ipv6Util.writeIpv6Address(ipv6, body));
56 ObjectUtil.formatSubobject(TYPE, CLASS, processing, ignore, body, buffer);
60 public Object parseObject(final ObjectHeader header, final ByteBuf bytes) throws PCEPDeserializerException {
61 checkArgument(bytes != null && bytes.isReadable(), "Array of bytes is mandatory. Can't be null or empty.");
62 if (!header.getProcessingRule()) {
63 LOG.debug("Processed bit not set on Endpoints OBJECT, ignoring it.");
64 return new UnknownObject(PCEPErrors.P_FLAG_NOT_SET, new EndpointsObjBuilder().build());
66 if (bytes.readableBytes() % Ipv6Util.IPV6_LENGTH != 4) {
67 throw new PCEPDeserializerException("Wrong length of array of bytes.");
70 final P2mpIpv6Builder p2mpIpv6Builder = new P2mpIpv6Builder()
71 .setP2mpLeaves(P2mpLeaves.forValue(bytes.readInt()))
72 .setSourceIpv6Address(Ipv6Util.addressForByteBuf(bytes));
73 List<Ipv6AddressNoZone> dest = new ArrayList<>();
74 while (bytes.isReadable()) {
75 dest.add(Ipv6Util.addressForByteBuf(bytes));
77 p2mpIpv6Builder.setDestinationIpv6Address(dest);
78 return new EndpointsObjBuilder()
79 .setIgnore(header.getIgnore())
80 .setProcessingRule(header.getProcessingRule())
81 .setAddressFamily(new P2mpIpv6CaseBuilder().setP2mpIpv6(p2mpIpv6Builder.build()).build())