openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/serialization/instruction/AbstractActionInstructionSerializer.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.instruction;
  10
  11 import io.netty.buffer.ByteBuf;
  12
  13 import java.util.List;
  14
  15 import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistry;
  16 import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistryInjector;
  17 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  18 import org.opendaylight.openflowjava.protocol.impl.util.InstructionConstants;
  19 import org.opendaylight.openflowjava.protocol.impl.util.ListSerializer;
  20 import org.opendaylight.openflowjava.protocol.impl.util.TypeKeyMaker;
  21 import org.opendaylight.openflowjava.protocol.impl.util.TypeKeyMakerFactory;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev150225.ActionsInstruction;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.actions.grouping.Action;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.instructions.grouping.Instruction;
  25
  26 /**
  27  * @author michal.polkorab
  28  *
  29  */
  30 public abstract class AbstractActionInstructionSerializer extends AbstractInstructionSerializer
  31         implements SerializerRegistryInjector {
  32
  33     private static final TypeKeyMaker<Action> ACTION_KEY_MAKER =
  34             TypeKeyMakerFactory.createActionKeyMaker(EncodeConstants.OF13_VERSION_ID);
  35
  36     private SerializerRegistry registry;
  37
  38     @Override
  39     public void serialize(final Instruction instruction, final ByteBuf outBuffer) {
  40         int startIndex = outBuffer.writerIndex();
  41         outBuffer.writeShort(getType());
  42         if (instruction.getAugmentation(ActionsInstruction.class) != null) {
  43             List<Action> actions = instruction.getAugmentation(ActionsInstruction.class).getAction();
  44             int lengthIndex = outBuffer.writerIndex();
  45             outBuffer.writeShort(EncodeConstants.EMPTY_LENGTH);
  46             outBuffer.writeZero(InstructionConstants.PADDING_IN_ACTIONS_INSTRUCTION);
  47             ListSerializer.serializeList(actions, ACTION_KEY_MAKER, getRegistry(), outBuffer);
  48             int instructionLength = outBuffer.writerIndex() - startIndex;
  49             outBuffer.setShort(lengthIndex, instructionLength);
  50         } else {
  51             outBuffer.writeShort(InstructionConstants.STANDARD_INSTRUCTION_LENGTH);
  52             outBuffer.writeZero(InstructionConstants.PADDING_IN_ACTIONS_INSTRUCTION);
  53         }
  54     }
  55
  56     protected SerializerRegistry getRegistry() {
  57         return registry;
  58     }
  59
  60     @Override
  61     public void injectSerializerRegistry(final SerializerRegistry serializerRegistry) {
  62         registry = serializerRegistry;
  63     }
  64 }