2 * Copyright (c) 2013 Pantheon Technologies s.r.o. 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.openflowjava.protocol.impl.deserialization.match;
10 import io.netty.buffer.ByteBuf;
12 import org.opendaylight.openflowjava.protocol.api.extensibility.OFDeserializer;
13 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
14 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.Ipv6ExthdrFlags;
15 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.Ipv6Exthdr;
16 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.MatchField;
17 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.OpenflowBasicClass;
18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.OxmClassBase;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntry;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntryBuilder;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.Ipv6ExthdrCaseBuilder;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.ipv6.exthdr._case.Ipv6ExthdrBuilder;
25 * @author michal.polkorab
28 public class OxmIpv6ExtHdrDeserializer extends AbstractOxmMatchEntryDeserializer
29 implements OFDeserializer<MatchEntry> {
32 public MatchEntry deserialize(ByteBuf input) {
33 MatchEntryBuilder builder = processHeader(getOxmClass(), getOxmField(), input);
34 addIpv6ExtHdrValue(input, builder);
35 return builder.build();
38 private static void addIpv6ExtHdrValue(ByteBuf input, MatchEntryBuilder builder) {
39 Ipv6ExthdrCaseBuilder caseBuilder = new Ipv6ExthdrCaseBuilder();
40 Ipv6ExthdrBuilder extHdrBuilder = new Ipv6ExthdrBuilder();
41 extHdrBuilder.setPseudoField(convertPseudofields(input));
42 if (builder.isHasMask()) {
43 extHdrBuilder.setMask(OxmDeserializerHelper
44 .convertMask(input, EncodeConstants.SIZE_OF_SHORT_IN_BYTES));
46 caseBuilder.setIpv6Exthdr(extHdrBuilder.build());
47 builder.setMatchEntryValue(caseBuilder.build());
50 private static Ipv6ExthdrFlags convertPseudofields(ByteBuf input) {
51 int bitmap = input.readUnsignedShort();
52 final Boolean nonext = ((bitmap) & (1<<0)) != 0;
53 final Boolean esp = ((bitmap) & (1<<1)) != 0;
54 final Boolean auth = ((bitmap) & (1<<2)) != 0;
55 final Boolean dest = ((bitmap) & (1<<3)) != 0;
56 final Boolean frag = ((bitmap) & (1<<4)) != 0;
57 final Boolean router = ((bitmap) & (1<<5)) != 0;
58 final Boolean hop = ((bitmap) & (1<<6)) != 0;
59 final Boolean unrep = ((bitmap) & (1<<7)) != 0;
60 final Boolean unseq = ((bitmap) & (1<<8)) != 0;
61 return new Ipv6ExthdrFlags(auth, dest, esp, frag, hop, nonext, router, unrep, unseq);
65 protected Class<? extends MatchField> getOxmField() {
66 return Ipv6Exthdr.class;
70 protected Class<? extends OxmClassBase> getOxmClass() {
71 return OpenflowBasicClass.class;