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.lisp.serializer;
10 import java.nio.ByteBuffer;
12 import org.apache.commons.lang3.BooleanUtils;
13 import org.opendaylight.lispflowmapping.lisp.serializer.address.LispAddressSerializer;
14 import org.opendaylight.lispflowmapping.lisp.util.ByteUtil;
15 import org.opendaylight.lispflowmapping.lisp.util.LispAFIConvertor;
16 import org.opendaylight.lispflowmapping.lisp.util.LispAddressStringifier;
17 import org.opendaylight.lispflowmapping.lisp.util.NumberUtil;
18 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.LispAFIAddress;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.lispaddress.LispAddressContainer;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.locatorrecords.LocatorRecord;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.locatorrecords.LocatorRecordBuilder;
23 public class LocatorRecordSerializer {
25 private static final LocatorRecordSerializer INSTANCE = new LocatorRecordSerializer();
27 // Private constructor prevents instantiation from other classes
28 private LocatorRecordSerializer() {
31 public static LocatorRecordSerializer getInstance() {
35 protected LocatorRecord deserialize(ByteBuffer buffer) {
36 LocatorRecordBuilder builder = new LocatorRecordBuilder();
37 builder.setPriority((short) ByteUtil.getUnsignedByte(buffer));
38 builder.setWeight((short) ByteUtil.getUnsignedByte(buffer));
39 builder.setMulticastPriority((short) ByteUtil.getUnsignedByte(buffer));
40 builder.setMulticastWeight((short) ByteUtil.getUnsignedByte(buffer));
41 byte flags = (byte) buffer.getShort();
42 builder.setLocalLocator(ByteUtil.extractBit(flags, Flags.LOCAL_LOCATOR));
43 builder.setRlocProbed(ByteUtil.extractBit(flags, Flags.RLOC_PROBED));
44 builder.setRouted(ByteUtil.extractBit(flags, Flags.ROUTED));
45 LispAFIAddress afiAddress = LispAddressSerializer.getInstance().deserialize(buffer);
46 LispAddressContainer locator = LispAFIConvertor.toContainer(afiAddress);
47 builder.setLispAddressContainer(locator);
48 builder.setName(LispAddressStringifier.getString(locator));
49 return builder.build();
52 public void serialize(ByteBuffer replyBuffer, LocatorRecord record) {
53 replyBuffer.put((byte) NumberUtil.asShort(record.getPriority()));
54 replyBuffer.put((byte) NumberUtil.asShort(record.getWeight()));
55 replyBuffer.put((byte) NumberUtil.asShort(record.getMulticastPriority()));
56 replyBuffer.put((byte) NumberUtil.asShort(record.getMulticastWeight()));
57 replyBuffer.position(replyBuffer.position() + Length.UNUSED_FLAGS);
58 replyBuffer.put((byte) (ByteUtil.boolToBit(BooleanUtils.isTrue(record.isLocalLocator()), Flags.LOCAL_LOCATOR) | //
59 ByteUtil.boolToBit(BooleanUtils.isTrue(record.isRlocProbed()), Flags.RLOC_PROBED) | //
60 ByteUtil.boolToBit(BooleanUtils.isTrue(record.isRouted()), Flags.ROUTED)));
61 LispAddressSerializer.getInstance().serialize(replyBuffer, LispAFIConvertor.toAFI(record.getLispAddressContainer()));
64 public int getSerializationSize(LocatorRecord record) {
65 return Length.HEADER_SIZE
66 + LispAddressSerializer.getInstance().getAddressSize(LispAFIConvertor.toAFI(record.getLispAddressContainer()));
69 private interface Flags {
70 int LOCAL_LOCATOR = 0x04;
71 int RLOC_PROBED = 0x02;
75 private interface Length {