openflowjava/openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/serialization/factories/QueueGetConfigReplyMessageFactory.java

   1 /*
   2  * Copyright (c) 2015 NetIDE Consortium and others.  All rights reserved.
   3  *
   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
   7  */
   8 package org.opendaylight.openflowjava.protocol.impl.serialization.factories;
   9
  10 import io.netty.buffer.ByteBuf;
  11 import io.netty.buffer.UnpooledByteBufAllocator;
  12 import org.opendaylight.openflowjava.protocol.api.extensibility.OFSerializer;
  13 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  14 import org.opendaylight.openflowjava.util.ByteBufUtils;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev150225.ExperimenterIdQueueProperty;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev150225.RateQueueProperty;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.GetQueueConfigOutput;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.queue.get.config.reply.Queues;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.queue.property.header.QueueProperty;
  20
  21 /**
  22  * Translates GetQueueConfig messages.
  23  *
  24  * @author giuseppex.petralia@intel.com
  25  */
  26 public class QueueGetConfigReplyMessageFactory implements OFSerializer<GetQueueConfigOutput> {
  27
  28     private static final byte MESSAGE_TYPE = 23;
  29     private static final byte PADDING = 4;
  30     public static final int QUEUE_LENGTH_INDEX = 8;
  31     public static final int PROPERTY_LENGTH_INDEX = 2;
  32     private static final byte QUEUE_PADDING = 6;
  33     private static final byte PROPERTY_HEADER_PADDING = 4;
  34     private static final byte PROPERTY_RATE_PADDING = 6;
  35     private static final byte PROPERTY_EXPERIMENTER_PADDING = 4;
  36
  37     @Override
  38     public void serialize(GetQueueConfigOutput message, ByteBuf outBuffer) {
  39         ByteBufUtils.writeOFHeader(MESSAGE_TYPE, message, outBuffer, EncodeConstants.EMPTY_LENGTH);
  40         outBuffer.writeInt(message.getPort().getValue().intValue());
  41         outBuffer.writeZero(PADDING);
  42         for (Queues queue : message.getQueues()) {
  43             ByteBuf queueBuff = UnpooledByteBufAllocator.DEFAULT.buffer();
  44             queueBuff.writeInt(queue.getQueueId().getValue().intValue());
  45             queueBuff.writeInt(queue.getPort().getValue().intValue());
  46             queueBuff.writeShort(EncodeConstants.EMPTY_LENGTH);
  47             queueBuff.writeZero(QUEUE_PADDING);
  48
  49             for (QueueProperty property : queue.getQueueProperty()) {
  50                 ByteBuf propertyBuff = UnpooledByteBufAllocator.DEFAULT.buffer();
  51                 propertyBuff.writeShort(property.getProperty().getIntValue());
  52                 propertyBuff.writeShort(EncodeConstants.EMPTY_LENGTH);
  53                 propertyBuff.writeZero(PROPERTY_HEADER_PADDING);
  54                 switch (property.getProperty()) {
  55                     case OFPQTMINRATE:
  56                         serializeRateBody(property.getAugmentation(RateQueueProperty.class), propertyBuff);
  57                         break;
  58                     case OFPQTMAXRATE:
  59                         serializeRateBody(property.getAugmentation(RateQueueProperty.class), propertyBuff);
  60                         break;
  61                     case OFPQTEXPERIMENTER:
  62                         serializeExperimenterBody(property.getAugmentation(ExperimenterIdQueueProperty.class),
  63                                 propertyBuff);
  64                         break;
  65                     default:
  66                         break;
  67                 }
  68                 propertyBuff.setShort(PROPERTY_LENGTH_INDEX, propertyBuff.readableBytes());
  69                 queueBuff.writeBytes(propertyBuff);
  70             }
  71
  72             queueBuff.setShort(QUEUE_LENGTH_INDEX, queueBuff.readableBytes());
  73             outBuffer.writeBytes(queueBuff);
  74         }
  75         ByteBufUtils.updateOFHeaderLength(outBuffer);
  76     }
  77
  78     private void serializeRateBody(RateQueueProperty body, ByteBuf outBuffer) {
  79         outBuffer.writeShort(body.getRate());
  80         outBuffer.writeZero(PROPERTY_RATE_PADDING);
  81     }
  82
  83     private void serializeExperimenterBody(ExperimenterIdQueueProperty body, ByteBuf outBuffer) {
  84         // TODO: Experimenter Data is vendor specific that should implement its
  85         // own serializer
  86         outBuffer.writeInt(body.getExperimenter().getValue().intValue());
  87         outBuffer.writeZero(PROPERTY_EXPERIMENTER_PADDING);
  88     }
  89 }