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 org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerRegistry;
15 import org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerRegistryInjector;
16 import org.opendaylight.openflowjava.protocol.api.extensibility.OFDeserializer;
17 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
18 import org.opendaylight.openflowplugin.extension.api.path.ActionPath;
19 import org.opendaylight.openflowplugin.impl.protocol.deserialization.util.ActionUtil;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list.ActionBuilder;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list.ActionKey;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.multipart.reply.multipart.reply.body.MultipartReplyGroupDescBuilder;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.BucketId;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupId;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupTypes;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.group.BucketsBuilder;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.group.buckets.Bucket;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.group.buckets.BucketBuilder;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.group.buckets.BucketKey;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.group.desc.stats.reply.GroupDescStats;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.group.desc.stats.reply.GroupDescStatsBuilder;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.group.desc.stats.reply.GroupDescStatsKey;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.multipart.types.rev170112.multipart.reply.MultipartReplyBody;
35 public class MultipartReplyGroupDescDeserializer implements OFDeserializer<MultipartReplyBody>,
36 DeserializerRegistryInjector {
38 private static final byte PADDING_IN_GROUP_DESC_HEADER = 1;
39 private static final byte PADDING_IN_BUCKETS_HEADER = 4;
40 private static final byte GROUP_DESC_HEADER_LENGTH = 8;
41 private static final byte BUCKETS_HEADER_LENGTH = 16;
42 private DeserializerRegistry registry;
45 public MultipartReplyBody deserialize(ByteBuf message) {
46 final MultipartReplyGroupDescBuilder builder = new MultipartReplyGroupDescBuilder();
47 final List<GroupDescStats> items = new ArrayList<>();
49 while (message.readableBytes() > 0) {
50 final int itemLength = message.readUnsignedShort();
52 final GroupDescStatsBuilder itemBuilder = new GroupDescStatsBuilder()
53 .setGroupType(GroupTypes.forValue(message.readUnsignedByte()));
55 message.skipBytes(PADDING_IN_GROUP_DESC_HEADER);
56 itemBuilder.setGroupId(new GroupId(message.readUnsignedInt()));
57 itemBuilder.setKey(new GroupDescStatsKey(itemBuilder.getGroupId()));
59 final List<Bucket> subItems = new ArrayList<>();
60 int actualLength = GROUP_DESC_HEADER_LENGTH;
63 while (actualLength < itemLength) {
64 final int bucketsLength = message.readUnsignedShort();
66 final BucketBuilder bucketBuilder = new BucketBuilder()
67 .setBucketId(new BucketId(bucketKey))
68 .setKey(new BucketKey(new BucketId(bucketKey)))
69 .setWeight(message.readUnsignedShort())
70 .setWatchPort(message.readUnsignedInt())
71 .setWatchGroup(message.readUnsignedInt());
73 message.skipBytes(PADDING_IN_BUCKETS_HEADER);
74 final List<org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list
75 .Action> actions = new ArrayList<>();
76 final int startIndex = message.readerIndex();
77 final int bucketLength = bucketsLength - BUCKETS_HEADER_LENGTH;
80 while (message.readerIndex() - startIndex < bucketLength) {
81 actions.add(new ActionBuilder()
82 .setKey(new ActionKey(offset))
84 .setAction(ActionUtil.readAction(EncodeConstants.OF13_VERSION_ID, message, registry,
85 ActionPath.GROUP_DESC_STATS_UPDATED_BUCKET_ACTION))
91 bucketBuilder.setAction(actions);
92 subItems.add(bucketBuilder.build());
94 actualLength += bucketsLength;
98 .setBuckets(new BucketsBuilder()
105 .setGroupDescStats(items)
110 public void injectDeserializerRegistry(DeserializerRegistry deserializerRegistry) {
111 registry = deserializerRegistry;