2 * Copyright (c) 2013 Contextream, 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
8 package org.opendaylight.lispflowmapping.implementation.serializer.address;
10 import java.nio.ByteBuffer;
11 import java.util.ArrayList;
12 import java.util.List;
14 import org.apache.commons.lang3.BooleanUtils;
15 import org.opendaylight.lispflowmapping.implementation.serializer.address.factory.LispAFIAddressSerializerFactory;
16 import org.opendaylight.lispflowmapping.implementation.util.ByteUtil;
17 import org.opendaylight.lispflowmapping.implementation.util.LispAFIConvertor;
18 import org.opendaylight.lispflowmapping.type.AddressFamilyNumberEnum;
19 import org.opendaylight.lispflowmapping.type.LispCanonicalAddressFormatEnum;
20 import org.opendaylight.yang.gen.v1.lispflowmapping.rev131031.LcafTrafficEngineeringAddress;
21 import org.opendaylight.yang.gen.v1.lispflowmapping.rev131031.LispAFIAddress;
22 import org.opendaylight.yang.gen.v1.lispflowmapping.rev131031.lcaftrafficengineeringaddress.Hops;
23 import org.opendaylight.yang.gen.v1.lispflowmapping.rev131031.lcaftrafficengineeringaddress.HopsBuilder;
24 import org.opendaylight.yang.gen.v1.lispflowmapping.rev131031.lispaddress.lispaddresscontainer.address.LcafTrafficEngineeringBuilder;
25 import org.opendaylight.yang.gen.v1.lispflowmapping.rev131031.lispsimpleaddress.PrimitiveAddress;
26 import org.opendaylight.yang.gen.v1.lispflowmapping.rev131031.reencaphop.HopBuilder;
28 public class LispTrafficEngineeringLCAFAddressSerializer extends LispLCAFAddressSerializer {
30 private static final LispTrafficEngineeringLCAFAddressSerializer INSTANCE = new LispTrafficEngineeringLCAFAddressSerializer();
32 // Private constructor prevents instantiation from other classes
33 private LispTrafficEngineeringLCAFAddressSerializer() {
36 public static LispTrafficEngineeringLCAFAddressSerializer getInstance() {
41 protected short getLcafLength(LispAFIAddress lispAddress) {
43 if (((LcafTrafficEngineeringAddress) lispAddress).getHops() != null) {
44 for (Hops hop : ((LcafTrafficEngineeringAddress) lispAddress).getHops()) {
45 totalSize += LispAddressSerializer.getInstance().getAddressSize((LispAFIAddress) hop.getHop().getPrimitiveAddress()) + 2;
52 protected void serializeData(ByteBuffer buffer, LispAFIAddress lispAddress) {
53 if (((LcafTrafficEngineeringAddress) lispAddress).getHops() != null) {
54 for (Hops hop : ((LcafTrafficEngineeringAddress) lispAddress).getHops()) {
55 serializeAFIAddressHeader(buffer, (LispAFIAddress) hop.getHop().getPrimitiveAddress());
57 buffer.put((byte) (ByteUtil.boolToBit(BooleanUtils.isTrue(hop.isLookup()), Flags.LOOKUP) | //
58 ByteUtil.boolToBit(BooleanUtils.isTrue(hop.isRLOCProbe()), Flags.RLOC_PROBE) | //
59 ByteUtil.boolToBit(BooleanUtils.isTrue(hop.isStrict()), Flags.STRICT)));
60 LispAddressSerializer serializer = LispAFIAddressSerializerFactory.getSerializer(AddressFamilyNumberEnum
61 .valueOf(((LispAFIAddress) hop.getHop().getPrimitiveAddress()).getAfi()));
62 serializer.serializeData(buffer, (LispAFIAddress) hop.getHop().getPrimitiveAddress());
68 protected LcafTrafficEngineeringAddress deserializeData(ByteBuffer buffer, byte res2, short length) {
69 List<Hops> hops = new ArrayList<Hops>();
71 short afi = buffer.getShort();
72 LispAddressSerializer serializer = LispAFIAddressSerializerFactory.getSerializer(AddressFamilyNumberEnum.valueOf(afi));
73 byte flags = (byte) buffer.getShort();
74 boolean lookup = ByteUtil.extractBit(flags, Flags.LOOKUP);
75 boolean RLOCProbe = ByteUtil.extractBit(flags, Flags.RLOC_PROBE);
76 boolean strict = ByteUtil.extractBit(flags, Flags.STRICT);
77 LispAFIAddress address = serializer.deserializeData(buffer);
78 HopsBuilder builder = new HopsBuilder();
79 builder.setLookup(lookup);
80 builder.setRLOCProbe(RLOCProbe);
81 builder.setStrict(strict);
82 builder.setHop(new HopBuilder().setPrimitiveAddress((PrimitiveAddress) LispAFIConvertor.toPrimitive(address)).build());
83 length -= LispAddressSerializer.getInstance().getAddressSize((LispAFIAddress) builder.getHop().getPrimitiveAddress()) + 2;
84 hops.add(builder.build());
86 return new LcafTrafficEngineeringBuilder().setAfi(AddressFamilyNumberEnum.LCAF.getIanaCode())
87 .setLcafType((short) LispCanonicalAddressFormatEnum.TRAFFIC_ENGINEERING.getLispCode()).setHops(hops).build();
90 private interface Flags {
92 int RLOC_PROBE = 0x02;