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.Ipv4Util;
22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4AddressNoZone;
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.P2mpIpv4CaseBuilder;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.endpoints.address.family.p2mp.ipv4._case.P2mpIpv4;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.endpoints.address.family.p2mp.ipv4._case.P2mpIpv4Builder;
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 PCEPP2MPEndPointsIpv4ObjectParser extends CommonObjectParser {
34 private static final int CLASS = 4;
35 private static final int TYPE = 3;
36 private static final int LEAF_TYPE_SIZE = 32;
37 private static final Logger LOG = LoggerFactory.getLogger(PCEPP2MPEndPointsIpv4ObjectParser.class);
39 public PCEPP2MPEndPointsIpv4ObjectParser() {
43 public static void serializeObject(
44 final Boolean processing,
46 final P2mpIpv4 p2mpIpv4,
47 final ByteBuf buffer) {
48 final List<Ipv4AddressNoZone> dest = p2mpIpv4.getDestinationIpv4Address();
49 checkArgument(dest != null, "DestinationIpv4Address is mandatory.");
50 final ByteBuf body = Unpooled.buffer(LEAF_TYPE_SIZE + Ipv4Util.IP4_LENGTH + Ipv4Util.IP4_LENGTH * dest.size());
51 checkArgument(p2mpIpv4.getSourceIpv4Address() != null, "SourceIpv4Address is mandatory.");
52 body.writeInt(p2mpIpv4.getP2mpLeaves().getIntValue());
53 Ipv4Util.writeIpv4Address(p2mpIpv4.getSourceIpv4Address(), body);
54 dest.forEach(ipv4 -> Ipv4Util.writeIpv4Address(ipv4, body));
55 ObjectUtil.formatSubobject(TYPE, CLASS, processing, ignore, body, buffer);
59 public Object parseObject(final ObjectHeader header, final ByteBuf bytes) throws PCEPDeserializerException {
60 checkArgument(bytes != null && bytes.isReadable(), "Array of bytes is mandatory. Can't be null or empty.");
61 final EndpointsObjBuilder builder = new EndpointsObjBuilder();
62 if (!header.isProcessingRule()) {
63 LOG.debug("Processed bit not set on Endpoints OBJECT, ignoring it.");
64 return new UnknownObject(PCEPErrors.P_FLAG_NOT_SET, builder.build());
66 if (bytes.readableBytes() % Ipv4Util.IP4_LENGTH != 0) {
67 throw new PCEPDeserializerException("Wrong length of array of bytes.");
69 builder.setIgnore(header.isIgnore());
70 builder.setProcessingRule(header.isProcessingRule());
71 final P2mpIpv4Builder p2mpIpv4Builder = new P2mpIpv4Builder();
72 p2mpIpv4Builder.setP2mpLeaves(P2mpLeaves.forValue(bytes.readInt()));
73 p2mpIpv4Builder.setSourceIpv4Address(Ipv4Util.addressForByteBuf(bytes));
74 List<Ipv4AddressNoZone> dest = new ArrayList<>();
75 while (bytes.isReadable()) {
76 dest.add(Ipv4Util.addressForByteBuf(bytes));
78 p2mpIpv4Builder.setDestinationIpv4Address(dest);
79 builder.setAddressFamily(new P2mpIpv4CaseBuilder().setP2mpIpv4(p2mpIpv4Builder.build()).build());
80 return builder.build();