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
9 package org.opendaylight.openflowplugin.impl.protocol.deserialization.multipart;
11 import io.netty.buffer.ByteBuf;
12 import java.util.ArrayList;
13 import java.util.List;
14 import java.util.stream.Collectors;
15 import java.util.stream.IntStream;
16 import org.opendaylight.openflowjava.protocol.api.extensibility.OFDeserializer;
17 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.multipart.reply.multipart.reply.body.MultipartReplyGroupFeaturesBuilder;
18 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.Chaining;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.ChainingChecks;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupAll;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupCapability;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupFf;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupIndirect;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupSelect;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupType;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.SelectLiveness;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.SelectWeight;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.multipart.types.rev170112.multipart.reply.MultipartReplyBody;
30 public class MultipartReplyGroupFeaturesDeserializer implements OFDeserializer<MultipartReplyBody> {
32 private static final int GROUP_TYPES = 4;
35 public MultipartReplyBody deserialize(ByteBuf message) {
36 final MultipartReplyGroupFeaturesBuilder builder = new MultipartReplyGroupFeaturesBuilder();
39 .setGroupTypesSupported(readGroupTypes(message))
40 .setGroupCapabilitiesSupported(readGroupCapabilities(message))
41 .setMaxGroups(IntStream
42 .range(0, GROUP_TYPES)
43 .mapToObj(i -> message.readUnsignedInt())
44 .collect(Collectors.toList()))
46 .range(0, GROUP_TYPES)
47 .mapToObj(i -> message.readUnsignedInt())
48 .collect(Collectors.toList()))
52 private static List<Class<? extends GroupCapability>> readGroupCapabilities(ByteBuf message) {
53 final List<Class<? extends GroupCapability>> groupCapabilities = new ArrayList<>();
54 final long capabilitiesMask = message.readUnsignedInt();
56 final boolean gcSelectWeight = ((capabilitiesMask) & (1 << 0)) != 0;
57 final boolean gcSelectLiveness = ((capabilitiesMask) & (1 << 1)) != 0;
58 final boolean gcChaining = ((capabilitiesMask) & (1 << 2)) != 0;
59 final boolean gcChainingChecks = ((capabilitiesMask) & (1 << 3)) != 0;
61 if (gcSelectWeight) groupCapabilities.add(SelectWeight.class);
62 if (gcSelectLiveness) groupCapabilities.add(SelectLiveness.class);
63 if (gcChaining) groupCapabilities.add(Chaining.class);
64 if (gcChainingChecks) groupCapabilities.add(ChainingChecks.class);
66 return groupCapabilities;
69 private static List<Class<? extends GroupType>> readGroupTypes(ByteBuf message) {
70 final List<Class<? extends GroupType>> groupTypes = new ArrayList<>();
71 final long typesMask = message.readUnsignedInt();
73 final boolean gtAll = ((typesMask) & (1 << 0)) != 0;
74 final boolean gtSelect = ((typesMask) & (1 << 1)) != 0;
75 final boolean gtIndirect = ((typesMask) & (1 << 2)) != 0;
76 final boolean gtFF = ((typesMask) & (1 << 3)) != 0;
78 if (gtAll) groupTypes.add(GroupAll.class);
79 if (gtSelect) groupTypes.add(GroupSelect.class);
80 if (gtIndirect) groupTypes.add(GroupIndirect.class);
81 if (gtFF) groupTypes.add(GroupFf.class);