2 * Copyright (c) 2017 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.openflowplugin.impl.protocol.deserialization.multipart;
10 import static org.opendaylight.yangtools.yang.common.netty.ByteBufUtils.readUint32;
12 import com.google.common.collect.ImmutableSet;
13 import io.netty.buffer.ByteBuf;
15 import java.util.stream.Collectors;
16 import java.util.stream.IntStream;
17 import org.opendaylight.openflowjava.protocol.api.extensibility.OFDeserializer;
18 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.multipart.reply.multipart.reply.body.MultipartReplyGroupFeaturesBuilder;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.Chaining;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.ChainingChecks;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupAll;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupCapability;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupFf;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupIndirect;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupSelect;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupType;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.SelectLiveness;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.SelectWeight;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.multipart.types.rev170112.multipart.reply.MultipartReplyBody;
31 public class MultipartReplyGroupFeaturesDeserializer implements OFDeserializer<MultipartReplyBody> {
32 private static final int GROUP_TYPES = 4;
35 public MultipartReplyBody deserialize(final ByteBuf message) {
36 return new MultipartReplyGroupFeaturesBuilder()
37 .setGroupTypesSupported(readGroupTypes(message))
38 .setGroupCapabilitiesSupported(readGroupCapabilities(message))
39 .setMaxGroups(IntStream.range(0, GROUP_TYPES)
40 .mapToObj(i -> readUint32(message))
41 .collect(Collectors.toUnmodifiableList()))
42 .setActions(IntStream.range(0, GROUP_TYPES)
43 .mapToObj(i -> readUint32(message))
44 .collect(Collectors.toUnmodifiableList()))
48 private static Set<Class<? extends GroupCapability>> readGroupCapabilities(final ByteBuf message) {
49 final long capabilitiesMask = message.readUnsignedInt();
51 final var builder = ImmutableSet.<Class<? extends GroupCapability>>builder();
52 if ((capabilitiesMask & 1 << 0) != 0) {
53 builder.add(SelectWeight.class);
55 if ((capabilitiesMask & 1 << 1) != 0) {
56 builder.add(SelectLiveness.class);
58 if ((capabilitiesMask & 1 << 2) != 0) {
59 builder.add(Chaining.class);
61 if ((capabilitiesMask & 1 << 3) != 0) {
62 builder.add(ChainingChecks.class);
64 return builder.build();
67 private static Set<Class<? extends GroupType>> readGroupTypes(final ByteBuf message) {
68 final long typesMask = message.readUnsignedInt();
70 final var builder = ImmutableSet.<Class<? extends GroupType>>builder();
71 if ((typesMask & 1 << 0) != 0) {
72 builder.add(GroupAll.class);
74 if ((typesMask & 1 << 1) != 0) {
75 builder.add(GroupSelect.class);
77 if ((typesMask & 1 << 2) != 0) {
78 builder.add(GroupIndirect.class);
80 if ((typesMask & 1 << 3) != 0) {
81 builder.add(GroupFf.class);
83 return builder.build();