openflowjava/openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/serialization/factories/OF10QueueGetConfigReplyMessageFactory.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.RateQueueProperty;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.QueueProperties;
  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 QueueGetConfigReply messages.
  23  *
  24  * @author giuseppex.petralia@intel.com
  25  */
  26 public class OF10QueueGetConfigReplyMessageFactory implements OFSerializer<GetQueueConfigOutput> {
  27
  28     private static final byte MESSAGE_TYPE = 21;
  29     private static final byte PADDING = 6;
  30     private static final int QUEUE_LENGTH_INDEX = 4;
  31     private static final byte QUEUE_PADDING = 2;
  32     private static final byte QUEUE_PROPERTY_PADDING = 6;
  33     private static final int QUEUE_PROPERTY_LENGTH_INDEX = 2;
  34
  35     @Override
  36     public void serialize(GetQueueConfigOutput message, ByteBuf outBuffer) {
  37         ByteBufUtils.writeOFHeader(MESSAGE_TYPE, message, outBuffer, EncodeConstants.EMPTY_LENGTH);
  38         outBuffer.writeShort(message.getPort().getValue().intValue());
  39         outBuffer.writeZero(PADDING);
  40         for (Queues queue : message.getQueues()) {
  41             ByteBuf queueBuff = UnpooledByteBufAllocator.DEFAULT.buffer();
  42             queueBuff.writeInt(queue.getQueueId().getValue().intValue());
  43             queueBuff.writeShort(EncodeConstants.EMPTY_LENGTH);
  44             queueBuff.writeZero(QUEUE_PADDING);
  45             for (QueueProperty queueProperty : queue.getQueueProperty()) {
  46                 ByteBuf queuePropertyBuff = UnpooledByteBufAllocator.DEFAULT.buffer();
  47                 queuePropertyBuff.writeShort(queueProperty.getProperty().getIntValue());
  48                 queuePropertyBuff.writeShort(EncodeConstants.EMPTY_LENGTH);
  49                 queuePropertyBuff.writeZero(4);
  50                 if (queueProperty.getProperty() == QueueProperties.OFPQTMINRATE) {
  51                     RateQueueProperty body = queueProperty.augmentation(RateQueueProperty.class);
  52                     queuePropertyBuff.writeShort(body.getRate().intValue());
  53                     queuePropertyBuff.writeZero(QUEUE_PROPERTY_PADDING);
  54                 }
  55                 queuePropertyBuff.setShort(QUEUE_PROPERTY_LENGTH_INDEX, queuePropertyBuff.readableBytes());
  56                 queueBuff.writeBytes(queuePropertyBuff);
  57             }
  58             queueBuff.setShort(QUEUE_LENGTH_INDEX, queueBuff.readableBytes());
  59             outBuffer.writeBytes(queueBuff);
  60         }
  61
  62         ByteBufUtils.updateOFHeaderLength(outBuffer);
  63     }
  64 }