openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/protocol/deserialization/action/SetFieldActionDeserializer.java

   1 /*
   2  * Copyright (c) 2016 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 package org.opendaylight.openflowplugin.impl.protocol.deserialization.action;
   9
  10 import org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerRegistry;
  11 import org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerRegistryInjector;
  12 import org.opendaylight.openflowjava.protocol.api.keys.MessageCodeKey;
  13 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  14 import org.opendaylight.openflowplugin.api.openflow.protocol.deserialization.MatchEntryDeserializer;
  15 import org.opendaylight.openflowplugin.extension.api.path.MatchPath;
  16 import org.opendaylight.openflowplugin.impl.protocol.deserialization.key.MessageCodeMatchKey;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.Action;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetFieldCaseBuilder;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.set.field._case.SetFieldBuilder;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.MatchBuilder;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.Match;
  22
  23 import io.netty.buffer.ByteBuf;
  24
  25 public class SetFieldActionDeserializer extends AbstractActionDeserializer
  26     implements DeserializerRegistryInjector {
  27
  28     private static final MessageCodeKey MATCH_KEY = new MessageCodeMatchKey(
  29             EncodeConstants.OF13_VERSION_ID,
  30             EncodeConstants.EMPTY_LENGTH,
  31             Match.class,
  32             MatchPath.FLOWSSTATISTICSUPDATE_FLOWANDSTATISTICSMAPLIST_MATCH);
  33
  34     private DeserializerRegistry registry;
  35
  36     @Override
  37     public Action deserialize(ByteBuf message) {
  38         final MatchEntryDeserializer deserializer = registry.getDeserializer(MATCH_KEY);
  39         final MatchBuilder builder = new MatchBuilder();
  40
  41         final int startIndex = message.readerIndex();
  42         processHeader(message);
  43         deserializer.deserializeEntry(message, builder);
  44
  45         int paddingRemainder = (message.readerIndex() - startIndex) % EncodeConstants.PADDING;
  46         if (paddingRemainder != 0) {
  47             message.skipBytes(EncodeConstants.PADDING - paddingRemainder);
  48         }
  49
  50         return new SetFieldCaseBuilder()
  51             .setSetField(new SetFieldBuilder(builder.build()).build())
  52             .build();
  53     }
  54
  55     @Override
  56     public Action deserializeHeader(ByteBuf message) {
  57         processHeader(message);
  58         return new SetFieldCaseBuilder().build();
  59     }
  60
  61     @Override
  62     public void injectDeserializerRegistry(DeserializerRegistry deserializerRegistry) {
  63         registry = deserializerRegistry;
  64     }
  65
  66 }