2 * Copyright (c) 2013 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.openflowjava.protocol.impl.deserialization.factories;
11 import io.netty.buffer.ByteBuf;
13 import java.util.ArrayList;
14 import java.util.List;
16 import org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerRegistry;
17 import org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerRegistryInjector;
18 import org.opendaylight.openflowjava.protocol.api.extensibility.OFDeserializer;
19 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
20 import org.opendaylight.openflowjava.util.ExperimenterDeserializerKeyFactory;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev150225.RateQueueProperty;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev150225.RateQueuePropertyBuilder;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortNumber;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.QueueId;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.QueueProperties;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.GetQueueConfigOutput;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.GetQueueConfigOutputBuilder;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.queue.get.config.reply.Queues;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.queue.get.config.reply.QueuesBuilder;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.queue.property.header.QueueProperty;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.queue.property.header.QueuePropertyBuilder;
34 * Translates QueueGetConfigReply messages
35 * @author timotej.kubas
36 * @author michal.polkorab
38 public class QueueGetConfigReplyMessageFactory implements OFDeserializer<GetQueueConfigOutput>,
39 DeserializerRegistryInjector {
41 private static final byte PADDING_IN_QUEUE_GET_CONFIG_REPLY_HEADER = 4;
42 private static final byte PADDING_IN_PACKET_QUEUE_HEADER = 6;
43 private static final byte PADDING_IN_QUEUE_PROPERTY_HEADER = 4;
44 private static final int PADDING_IN_RATE_QUEUE_PROPERTY = 6;
45 private static final byte PACKET_QUEUE_LENGTH = 16;
46 private DeserializerRegistry registry;
49 public GetQueueConfigOutput deserialize(ByteBuf rawMessage) {
50 GetQueueConfigOutputBuilder builder = new GetQueueConfigOutputBuilder();
51 builder.setVersion((short) EncodeConstants.OF13_VERSION_ID);
52 builder.setXid((rawMessage.readUnsignedInt()));
53 builder.setPort(new PortNumber(rawMessage.readUnsignedInt()));
54 rawMessage.skipBytes(PADDING_IN_QUEUE_GET_CONFIG_REPLY_HEADER);
55 builder.setQueues(createQueuesList(rawMessage));
56 return builder.build();
59 private List<Queues> createQueuesList(ByteBuf input){
60 List<Queues> queuesList = new ArrayList<>();
61 while (input.readableBytes() > 0) {
62 QueuesBuilder queueBuilder = new QueuesBuilder();
63 queueBuilder.setQueueId(new QueueId(input.readUnsignedInt()));
64 queueBuilder.setPort(new PortNumber(input.readUnsignedInt()));
65 int length = input.readUnsignedShort();
66 input.skipBytes(PADDING_IN_PACKET_QUEUE_HEADER);
67 queueBuilder.setQueueProperty(createPropertiesList(input, length - PACKET_QUEUE_LENGTH));
68 queuesList.add(queueBuilder.build());
73 private List<QueueProperty> createPropertiesList(ByteBuf input, int length){
74 int propertiesLength = length;
75 List<QueueProperty> propertiesList = new ArrayList<>();
76 while (propertiesLength > 0) {
77 int propertyStartIndex = input.readerIndex();
78 QueuePropertyBuilder propertiesBuilder = new QueuePropertyBuilder();
79 QueueProperties property = QueueProperties.forValue(input.readUnsignedShort());
80 propertiesBuilder.setProperty(property);
81 int currentPropertyLength = input.readUnsignedShort();
82 propertiesLength -= currentPropertyLength;
83 input.skipBytes(PADDING_IN_QUEUE_PROPERTY_HEADER);
84 if (property.equals(QueueProperties.OFPQTMINRATE) || property.equals(QueueProperties.OFPQTMAXRATE)) {
85 RateQueuePropertyBuilder rateBuilder = new RateQueuePropertyBuilder();
86 rateBuilder.setRate(input.readUnsignedShort());
87 propertiesBuilder.addAugmentation(RateQueueProperty.class, rateBuilder.build());
88 input.skipBytes(PADDING_IN_RATE_QUEUE_PROPERTY);
89 } else if (property.equals(QueueProperties.OFPQTEXPERIMENTER)) {
90 long expId = input.readUnsignedInt();
91 input.readerIndex(propertyStartIndex);
92 OFDeserializer<QueueProperty> deserializer = registry.getDeserializer(
93 ExperimenterDeserializerKeyFactory.createQueuePropertyDeserializerKey(
94 EncodeConstants.OF13_VERSION_ID, expId));
95 propertiesList.add(deserializer.deserialize(input));
98 propertiesList.add(propertiesBuilder.build());
100 return propertiesList;
104 public void injectDeserializerRegistry(DeserializerRegistry deserializerRegistry) {
105 this.registry = deserializerRegistry;