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.MessageCodeKey;
19 import org.opendaylight.openflowjava.protocol.api.extensibility.OFDeserializer;
20 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.RateQueueProperty;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.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 static final byte QUEUE_PROP_HEADER_SIZE = 8;
47 private DeserializerRegistry registry;
50 public GetQueueConfigOutput deserialize(ByteBuf rawMessage) {
51 GetQueueConfigOutputBuilder builder = new GetQueueConfigOutputBuilder();
52 builder.setVersion((short) EncodeConstants.OF13_VERSION_ID);
53 builder.setXid((rawMessage.readUnsignedInt()));
54 builder.setPort(new PortNumber(rawMessage.readUnsignedInt()));
55 rawMessage.skipBytes(PADDING_IN_QUEUE_GET_CONFIG_REPLY_HEADER);
56 builder.setQueues(createQueuesList(rawMessage));
57 return builder.build();
60 private List<Queues> createQueuesList(ByteBuf input){
61 List<Queues> queuesList = new ArrayList<>();
62 while (input.readableBytes() > 0) {
63 QueuesBuilder queueBuilder = new QueuesBuilder();
64 queueBuilder.setQueueId(new QueueId(input.readUnsignedInt()));
65 queueBuilder.setPort(new PortNumber(input.readUnsignedInt()));
66 int length = input.readUnsignedShort();
67 input.skipBytes(PADDING_IN_PACKET_QUEUE_HEADER);
68 queueBuilder.setQueueProperty(createPropertiesList(input, length - PACKET_QUEUE_LENGTH));
69 queuesList.add(queueBuilder.build());
74 private List<QueueProperty> createPropertiesList(ByteBuf input, int length){
75 int propertiesLength = length;
76 List<QueueProperty> propertiesList = new ArrayList<>();
77 while (propertiesLength > 0) {
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 // return index to property start, so that the experimenter properties are deserialized
91 // correctly - as whole ofp_queue_prop_experimenter property
92 input.readerIndex(input.readerIndex() - 2 * EncodeConstants.SIZE_OF_SHORT_IN_BYTES
93 - PADDING_IN_QUEUE_PROPERTY_HEADER);
94 OFDeserializer<QueueProperty> deserializer = registry.getDeserializer(
95 new MessageCodeKey(EncodeConstants.OF13_VERSION_ID,
96 EncodeConstants.EXPERIMENTER_VALUE, QueueProperty.class));
97 QueueProperty expProp = deserializer.deserialize(input.slice(input.readerIndex(),
98 currentPropertyLength - QUEUE_PROP_HEADER_SIZE));
99 propertiesList.add(expProp);
102 propertiesList.add(propertiesBuilder.build());
104 return propertiesList;
108 public void injectDeserializerRegistry(DeserializerRegistry deserializerRegistry) {
109 this.registry = deserializerRegistry;