openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/protocol/deserialization/multipart/MultipartReplyExperimenterDeserializer.java

   1 /*
   2  * Copyright (c) 2017 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.openflowplugin.impl.protocol.deserialization.multipart;
  10
  11 import io.netty.buffer.ByteBuf;
  12 import org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerRegistry;
  13 import org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerRegistryInjector;
  14 import org.opendaylight.openflowjava.protocol.api.extensibility.OFDeserializer;
  15 import org.opendaylight.openflowjava.protocol.api.keys.ExperimenterIdTypeDeserializerKey;
  16 import org.opendaylight.openflowjava.protocol.api.keys.MessageTypeKey;
  17 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  18 import org.opendaylight.openflowjava.util.ExperimenterDeserializerKeyFactory;
  19 import org.opendaylight.openflowplugin.extension.api.ConvertorMessageFromOFJava;
  20 import org.opendaylight.openflowplugin.extension.api.path.MessagePath;
  21 import org.opendaylight.openflowplugin.openflow.md.core.session.OFSessionUtil;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.multipart.types.rev170112.multipart.reply.MultipartReplyBody;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.experimenter.core.ExperimenterDataOfChoice;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.experimenter.types.rev151020.experimenter.core.message.ExperimenterMessageOfChoice;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.experimenter.types.rev151020.multipart.reply.multipart.reply.body.MultipartReplyExperimenterBuilder;
  26 import org.slf4j.Logger;
  27 import org.slf4j.LoggerFactory;
  28
  29 public class MultipartReplyExperimenterDeserializer implements OFDeserializer<MultipartReplyBody>,
  30         DeserializerRegistryInjector {
  31     private static final Logger LOG = LoggerFactory.getLogger(MultipartReplyExperimenterDeserializer.class);
  32     private DeserializerRegistry registry;
  33
  34     @Override
  35     @SuppressWarnings("unchecked")
  36     public MultipartReplyBody deserialize(ByteBuf message) {
  37         final MultipartReplyExperimenterBuilder builder = new MultipartReplyExperimenterBuilder();
  38         final long expId = message.readUnsignedInt();
  39         final long expType = message.readUnsignedInt();
  40
  41         try {
  42             final OFDeserializer<ExperimenterMessageOfChoice> deserializer = registry
  43                     .getDeserializer(new ExperimenterIdTypeDeserializerKey(
  44                             EncodeConstants.OF13_VERSION_ID, expId, expType, ExperimenterMessageOfChoice.class));
  45
  46             builder.setExperimenterMessageOfChoice(deserializer.deserialize(message));
  47         } catch (ClassCastException | IllegalStateException es) {
  48             final OFDeserializer<ExperimenterDataOfChoice> deserializer = registry.getDeserializer(
  49                     ExperimenterDeserializerKeyFactory.createMultipartReplyMessageDeserializerKey(
  50                             EncodeConstants.OF13_VERSION_ID, expId, expType));
  51
  52             final ExperimenterDataOfChoice data = deserializer.deserialize(message);
  53             final MessageTypeKey<? extends ExperimenterDataOfChoice> key = new MessageTypeKey<>(
  54                     EncodeConstants.OF13_VERSION_ID,
  55                     (Class<? extends ExperimenterDataOfChoice>) data.implementedInterface());
  56
  57             final ConvertorMessageFromOFJava<ExperimenterDataOfChoice, MessagePath> convertor = OFSessionUtil
  58                     .getExtensionConvertorProvider()
  59                     .getMessageConverter(key);
  60
  61             builder.setExperimenterMessageOfChoice(convertor.convert(data, MessagePath.MPMESSAGE_RPC_OUTPUT));
  62         }
  63
  64         return builder.build();
  65     }
  66
  67     @Override
  68     public void injectDeserializerRegistry(DeserializerRegistry deserializerRegistry) {
  69         registry = deserializerRegistry;
  70     }
  71
  72 }