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

   1 /*
   2  * Copyright (c) 2013 Pantheon Technologies s.r.o. 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
   9 package org.opendaylight.openflowjava.protocol.impl.serialization.factories;
  10
  11 import io.netty.buffer.ByteBuf;
  12
  13 import java.util.List;
  14
  15 import org.opendaylight.openflowjava.protocol.api.extensibility.OFSerializer;
  16 import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistry;
  17 import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistryInjector;
  18 import org.opendaylight.openflowjava.util.ByteBufUtils;
  19 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  20 import org.opendaylight.openflowjava.protocol.impl.util.EnhancedTypeKeyMakerFactory;
  21 import org.opendaylight.openflowjava.protocol.impl.util.ListSerializer;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.GroupModInput;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.buckets.grouping.BucketsList;
  24
  25 /**
  26  * Translates GroupMod messages
  27  * @author timotej.kubas
  28  * @author michal.polkorab
  29  */
  30 public class GroupModInputMessageFactory implements OFSerializer<GroupModInput>, SerializerRegistryInjector {
  31     private static final byte MESSAGE_TYPE = 15;
  32     private static final byte PADDING_IN_GROUP_MOD_MESSAGE = 1;
  33     private static final byte PADDING_IN_BUCKET = 4;
  34     private SerializerRegistry registry;
  35
  36     @Override
  37     public void serialize(GroupModInput message, ByteBuf outBuffer) {
  38         ByteBufUtils.writeOFHeader(MESSAGE_TYPE, message, outBuffer, EncodeConstants.EMPTY_LENGTH);
  39         outBuffer.writeShort(message.getCommand().getIntValue());
  40         outBuffer.writeByte(message.getType().getIntValue());
  41         ByteBufUtils.padBuffer(PADDING_IN_GROUP_MOD_MESSAGE, outBuffer);
  42         outBuffer.writeInt(message.getGroupId().getValue().intValue());
  43         serializerBuckets(message.getBucketsList(), outBuffer);
  44         ByteBufUtils.updateOFHeaderLength(outBuffer);
  45     }
  46
  47     private void serializerBuckets(List<BucketsList> buckets, ByteBuf outBuffer) {
  48         if (buckets != null) {
  49             for (BucketsList currentBucket : buckets) {
  50                 int bucketLengthIndex = outBuffer.writerIndex();
  51                 outBuffer.writeShort(EncodeConstants.EMPTY_LENGTH);
  52                 outBuffer.writeShort(currentBucket.getWeight().shortValue());
  53                 outBuffer.writeInt(currentBucket.getWatchPort().getValue().intValue());
  54                 outBuffer.writeInt(currentBucket.getWatchGroup().intValue());
  55                 ByteBufUtils.padBuffer(PADDING_IN_BUCKET, outBuffer);
  56                 ListSerializer.serializeList(currentBucket.getAction(), EnhancedTypeKeyMakerFactory
  57                         .createActionKeyMaker(EncodeConstants.OF13_VERSION_ID), registry, outBuffer);
  58                 outBuffer.setShort(bucketLengthIndex, outBuffer.writerIndex() - bucketLengthIndex);
  59             }
  60         }
  61     }
  62
  63     @Override
  64     public void injectSerializerRegistry(SerializerRegistry serializerRegistry) {
  65         this.registry = serializerRegistry;
  66     }
  67
  68 }