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 io.netty.buffer.ByteBuf;
13 import java.util.ArrayList;
14 import java.util.List;
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 final MultipartReplyGroupFeaturesBuilder builder = new MultipartReplyGroupFeaturesBuilder();
39 .setGroupTypesSupported(readGroupTypes(message))
40 .setGroupCapabilitiesSupported(readGroupCapabilities(message))
41 .setMaxGroups(IntStream.range(0, GROUP_TYPES)
42 .mapToObj(i -> readUint32(message))
43 .collect(Collectors.toList()))
44 .setActions(IntStream.range(0, GROUP_TYPES)
45 .mapToObj(i -> readUint32(message))
46 .collect(Collectors.toList()))
50 private static List<Class<? extends GroupCapability>> readGroupCapabilities(final ByteBuf message) {
51 final List<Class<? extends GroupCapability>> groupCapabilities = new ArrayList<>();
52 final long capabilitiesMask = message.readUnsignedInt();
54 final boolean gcSelectWeight = (capabilitiesMask & 1 << 0) != 0;
55 final boolean gcSelectLiveness = (capabilitiesMask & 1 << 1) != 0;
56 final boolean gcChaining = (capabilitiesMask & 1 << 2) != 0;
57 final boolean gcChainingChecks = (capabilitiesMask & 1 << 3) != 0;
60 groupCapabilities.add(SelectWeight.class);
62 if (gcSelectLiveness) {
63 groupCapabilities.add(SelectLiveness.class);
66 groupCapabilities.add(Chaining.class);
68 if (gcChainingChecks) {
69 groupCapabilities.add(ChainingChecks.class);
72 return groupCapabilities;
75 private static List<Class<? extends GroupType>> readGroupTypes(final ByteBuf message) {
76 final List<Class<? extends GroupType>> groupTypes = new ArrayList<>();
77 final long typesMask = message.readUnsignedInt();
79 final boolean gtAll = (typesMask & 1 << 0) != 0;
80 final boolean gtSelect = (typesMask & 1 << 1) != 0;
81 final boolean gtIndirect = (typesMask & 1 << 2) != 0;
82 final boolean gtFF = (typesMask & 1 << 3) != 0;
85 groupTypes.add(GroupAll.class);
88 groupTypes.add(GroupSelect.class);
91 groupTypes.add(GroupIndirect.class);
94 groupTypes.add(GroupFf.class);