2 * Copyright (c) 2014 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.util.ByteUtil;
16 import org.opendaylight.lispflowmapping.implementation.util.LispAFIConvertor;
17 import org.opendaylight.lispflowmapping.type.AddressFamilyNumberEnum;
18 import org.opendaylight.lispflowmapping.type.LispCanonicalAddressFormatEnum;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.LcafTrafficEngineeringAddress;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.LispAFIAddress;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.lcaftrafficengineeringaddress.Hops;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.lcaftrafficengineeringaddress.HopsBuilder;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.lispaddress.lispaddresscontainer.address.lcaftrafficengineering.LcafTrafficEngineeringAddrBuilder;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.lispsimpleaddress.PrimitiveAddress;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.reencaphop.HopBuilder;
27 public class LispTrafficEngineeringLCAFAddressSerializer extends LispLCAFAddressSerializer {
29 private static final LispTrafficEngineeringLCAFAddressSerializer INSTANCE = new LispTrafficEngineeringLCAFAddressSerializer();
31 // Private constructor prevents instantiation from other classes
32 private LispTrafficEngineeringLCAFAddressSerializer() {
35 public static LispTrafficEngineeringLCAFAddressSerializer getInstance() {
40 protected short getLcafLength(LispAFIAddress lispAddress) {
42 if (((LcafTrafficEngineeringAddress) lispAddress).getHops() != null) {
43 for (Hops hop : ((LcafTrafficEngineeringAddress) lispAddress).getHops()) {
44 totalSize += LispAddressSerializer.getInstance().getAddressSize(LispAFIConvertor.toAFIfromPrimitive(hop.getHop().getPrimitiveAddress())) + 2;
51 protected void serializeData(ByteBuffer buffer, LispAFIAddress lispAddress) {
52 if (((LcafTrafficEngineeringAddress) lispAddress).getHops() != null) {
53 for (Hops hop : ((LcafTrafficEngineeringAddress) lispAddress).getHops()) {
55 buffer.put((byte) (ByteUtil.boolToBit(BooleanUtils.isTrue(hop.isLookup()), Flags.LOOKUP) | //
56 ByteUtil.boolToBit(BooleanUtils.isTrue(hop.isRLOCProbe()), Flags.RLOC_PROBE) | //
57 ByteUtil.boolToBit(BooleanUtils.isTrue(hop.isStrict()), Flags.STRICT)));
58 LispAddressSerializer.getInstance().serialize(buffer, LispAFIConvertor.toAFIfromPrimitive(hop.getHop().getPrimitiveAddress()));
64 protected LcafTrafficEngineeringAddress deserializeData(ByteBuffer buffer, byte res2, short length) {
65 List<Hops> hops = new ArrayList<Hops>();
67 byte flags = (byte) buffer.getShort();
68 boolean lookup = ByteUtil.extractBit(flags, Flags.LOOKUP);
69 boolean RLOCProbe = ByteUtil.extractBit(flags, Flags.RLOC_PROBE);
70 boolean strict = ByteUtil.extractBit(flags, Flags.STRICT);
71 PrimitiveAddress address = LispAFIConvertor.toPrimitive(LispAddressSerializer.getInstance().deserialize(buffer));
72 HopsBuilder builder = new HopsBuilder();
73 builder.setLookup(lookup);
74 builder.setRLOCProbe(RLOCProbe);
75 builder.setStrict(strict);
76 builder.setHop(new HopBuilder().setPrimitiveAddress(address).build());
77 length -= LispAddressSerializer.getInstance().getAddressSize(LispAFIConvertor.toAFIfromPrimitive(address)) + 2;
78 hops.add(builder.build());
80 return new LcafTrafficEngineeringAddrBuilder().setAfi(AddressFamilyNumberEnum.LCAF.getIanaCode())
81 .setLcafType((short) LispCanonicalAddressFormatEnum.TRAFFIC_ENGINEERING.getLispCode()).setHops(hops).build();
84 private interface Flags {
86 int RLOC_PROBE = 0x02;