2 * Copyright (c) 2016 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.messages;
11 import io.netty.buffer.ByteBuf;
12 import java.util.ArrayList;
13 import java.util.Comparator;
14 import java.util.List;
15 import org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerRegistry;
16 import org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerRegistryInjector;
17 import org.opendaylight.openflowjava.protocol.api.extensibility.OFDeserializer;
18 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
19 import org.opendaylight.openflowplugin.extension.api.path.ActionPath;
20 import org.opendaylight.openflowplugin.impl.protocol.deserialization.util.ActionUtil;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list.ActionBuilder;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list.ActionKey;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupId;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupMessage;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupMessageBuilder;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupTypes;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.group.BucketsBuilder;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.group.buckets.Bucket;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.group.buckets.BucketBuilder;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.GroupModCommand;
32 public class GroupMessageDeserializer implements OFDeserializer<GroupMessage>, DeserializerRegistryInjector {
34 private static final byte PADDING = 1;
35 private static final byte PADDING_IN_BUCKETS_HEADER = 4;
36 private static final byte BUCKETS_HEADER_LENGTH = 16;
38 private static final Comparator<Bucket> COMPARATOR = (bucket1, bucket2) -> {
39 if (bucket1.getBucketId() == null || bucket2.getBucketId() == null) {
42 return bucket1.getBucketId().getValue().compareTo(bucket2.getBucketId().getValue());
45 private DeserializerRegistry registry;
48 public GroupMessage deserialize(ByteBuf message) {
49 final GroupMessageBuilder builder = new GroupMessageBuilder()
50 .setVersion((short) EncodeConstants.OF13_VERSION_ID)
51 .setXid(message.readUnsignedInt())
52 .setCommand(GroupModCommand.forValue(message.readUnsignedShort()));
54 builder.setGroupType(GroupTypes.forValue(message.readUnsignedByte()));
55 message.skipBytes(PADDING);
56 builder.setGroupId(new GroupId(message.readUnsignedInt()));
58 final List<Bucket> buckets = new ArrayList<>();
60 while (message.readableBytes() > 0) {
61 final int length = message.readUnsignedShort();
63 final BucketBuilder bucket = new BucketBuilder()
64 .setWeight(message.readUnsignedShort())
65 .setWatchPort(message.readUnsignedInt())
66 .setWatchGroup(message.readUnsignedInt());
68 message.skipBytes(PADDING_IN_BUCKETS_HEADER);
70 if (message.readableBytes() > 0) {
71 final List<org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list
72 .Action> actions = new ArrayList<>();
73 final int startIndex = message.readerIndex();
74 final int bucketLength = length - BUCKETS_HEADER_LENGTH;
77 while (message.readerIndex() - startIndex < bucketLength) {
78 actions.add(new ActionBuilder()
79 .setKey(new ActionKey(offset))
81 .setAction(ActionUtil.readAction(EncodeConstants.OF13_VERSION_ID, message, registry,
82 ActionPath.GROUP_DESC_STATS_UPDATED_BUCKET_ACTION))
88 bucket.setAction(actions);
91 buckets.add(bucket.build());
94 buckets.sort(COMPARATOR);
96 .setBuckets(new BucketsBuilder()
103 public void injectDeserializerRegistry(DeserializerRegistry deserializerRegistry) {
104 registry = deserializerRegistry;