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  * @author giuseppex.petralia@intel.com
  23  *
  24  */
  25 public class QueueGetConfigReplyMessageFactory implements OFSerializer<GetQueueConfigOutput> {
  26
  27     private static final byte MESSAGE_TYPE = 23;
  28     private static final byte PADDING = 4;
  29     public static final int QUEUE_LENGTH_INDEX = 8;
  30     public static final int PROPERTY_LENGTH_INDEX = 2;
  31     private static final byte QUEUE_PADDING = 6;
  32     private static final byte PROPERTY_HEADER_PADDING = 4;
  33     private static final byte PROPERTY_RATE_PADDING = 6;
  34     private static final byte PROPERTY_EXPERIMENTER_PADDING = 4;
  35
  36     @Override
  37     public void serialize(GetQueueConfigOutput message, ByteBuf outBuffer) {
  38         ByteBufUtils.writeOFHeader(MESSAGE_TYPE, message, outBuffer, EncodeConstants.EMPTY_LENGTH);
  39         outBuffer.writeInt(message.getPort().getValue().intValue());
  40         outBuffer.writeZero(PADDING);
  41         for (Queues queue : message.getQueues()) {
  42             ByteBuf queueBuff = UnpooledByteBufAllocator.DEFAULT.buffer();
  43             queueBuff.writeInt(queue.getQueueId().getValue().intValue());
  44             queueBuff.writeInt(queue.getPort().getValue().intValue());
  45             queueBuff.writeShort(EncodeConstants.EMPTY_LENGTH);
  46             queueBuff.writeZero(QUEUE_PADDING);
  47
  48             for (QueueProperty property : queue.getQueueProperty()) {
  49                 ByteBuf propertyBuff = UnpooledByteBufAllocator.DEFAULT.buffer();
  50                 propertyBuff.writeShort(property.getProperty().getIntValue());
  51                 propertyBuff.writeShort(EncodeConstants.EMPTY_LENGTH);
  52                 propertyBuff.writeZero(PROPERTY_HEADER_PADDING);
  53                 switch (property.getProperty()) {
  54                 case OFPQTMINRATE:
  55                     serializeRateBody(property.getAugmentation(RateQueueProperty.class), propertyBuff);
  56                     break;
  57                 case OFPQTMAXRATE:
  58                     serializeRateBody(property.getAugmentation(RateQueueProperty.class), propertyBuff);
  59                     break;
  60                 case OFPQTEXPERIMENTER:
  61                     serializeExperimenterBody(property.getAugmentation(ExperimenterIdQueueProperty.class),
  62                             propertyBuff);
  63                     break;
  64                 default:
  65                     break;
  66                 }
  67                 propertyBuff.setShort(PROPERTY_LENGTH_INDEX, propertyBuff.readableBytes());
  68                 queueBuff.writeBytes(propertyBuff);
  69             }
  70
  71             queueBuff.setShort(QUEUE_LENGTH_INDEX, queueBuff.readableBytes());
  72             outBuffer.writeBytes(queueBuff);
  73         }
  74         ByteBufUtils.updateOFHeaderLength(outBuffer);
  75     }
  76
  77     private void serializeRateBody(RateQueueProperty body, ByteBuf outBuffer) {
  78         outBuffer.writeShort(body.getRate());
  79         outBuffer.writeZero(PROPERTY_RATE_PADDING);
  80     }
  81
  82     private void serializeExperimenterBody(ExperimenterIdQueueProperty body, ByteBuf outBuffer) {
  83         // TODO: Experimenter Data is vendor specific that should implement its
  84         // own serializer
  85         outBuffer.writeInt(body.getExperimenter().getValue().intValue());
  86         outBuffer.writeZero(PROPERTY_EXPERIMENTER_PADDING);
  87     }
  88 }