openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/serialization/factories/ExperimenterInputMessageFactory.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 import org.opendaylight.openflowjava.protocol.api.extensibility.OFSerializer;
  13 import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistry;
  14 import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistryInjector;
  15 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  16 import org.opendaylight.openflowjava.util.ByteBufUtils;
  17 import org.opendaylight.openflowjava.util.ExperimenterSerializerKeyFactory;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.ExperimenterOfMessage;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.experimenter.core.ExperimenterDataOfChoice;
  20
  21 /**
  22  * Translates Experimenter messages (both: symmetric request and single reply)
  23  * @author michal.polkorab
  24  */
  25 public class ExperimenterInputMessageFactory implements OFSerializer<ExperimenterOfMessage>,
  26         SerializerRegistryInjector {
  27
  28     private SerializerRegistry registry;
  29
  30     /** Code type of symmetric Experimenter message */
  31     private static final byte MESSAGE_TYPE = 4;
  32
  33     @Override
  34     public void serialize(ExperimenterOfMessage message, ByteBuf outBuffer) {
  35         long expId = message.getExperimenter().getValue();
  36         OFSerializer<ExperimenterDataOfChoice> serializer = registry.getSerializer(
  37                 ExperimenterSerializerKeyFactory.createExperimenterMessageSerializerKey(
  38                         EncodeConstants.OF13_VERSION_ID, expId, message.getExpType().longValue()));
  39         ByteBufUtils.writeOFHeader(MESSAGE_TYPE, message, outBuffer, EncodeConstants.EMPTY_LENGTH);
  40
  41         // write experimenterId and type
  42         outBuffer.writeInt(message.getExperimenter().getValue().intValue());
  43         outBuffer.writeInt(message.getExpType().intValue());
  44
  45         serializer.serialize(message.getExperimenterDataOfChoice(), outBuffer);
  46         ByteBufUtils.updateOFHeaderLength(outBuffer);
  47     }
  48
  49     @Override
  50     public void injectSerializerRegistry(SerializerRegistry serializerRegistry) {
  51         this.registry = serializerRegistry;
  52     }
  53 }