openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/deserialization/instruction/AbstractActionInstructionDeserializer.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.deserialization.instruction;
  10
  11 import io.netty.buffer.ByteBuf;
  12
  13 import java.util.List;
  14
  15 import org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerRegistry;
  16 import org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerRegistryInjector;
  17 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  18 import org.opendaylight.openflowjava.protocol.impl.util.CodeKeyMaker;
  19 import org.opendaylight.openflowjava.protocol.impl.util.CodeKeyMakerFactory;
  20 import org.opendaylight.openflowjava.protocol.impl.util.InstructionConstants;
  21 import org.opendaylight.openflowjava.protocol.impl.util.ListDeserializer;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev150225.ActionsInstruction;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev150225.ActionsInstructionBuilder;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.Action;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.instructions.grouping.Instruction;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.instructions.grouping.InstructionBuilder;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.InstructionBase;
  28
  29 /**
  30  * @author michal.polkorab
  31  *
  32  */
  33 public abstract class AbstractActionInstructionDeserializer extends AbstractInstructionDeserializer
  34         implements DeserializerRegistryInjector {
  35
  36     private DeserializerRegistry registry;
  37
  38     @Override
  39     public Instruction deserialize(ByteBuf input) {
  40         InstructionBuilder builder = new InstructionBuilder();
  41         input.skipBytes(EncodeConstants.SIZE_OF_SHORT_IN_BYTES);
  42         builder.setType(getType());
  43         int instructionLength = input.readUnsignedShort();
  44         input.skipBytes(InstructionConstants.PADDING_IN_ACTIONS_INSTRUCTION);
  45         ActionsInstructionBuilder actionsBuilder = new ActionsInstructionBuilder();
  46         int length = instructionLength - InstructionConstants.STANDARD_INSTRUCTION_LENGTH;
  47         CodeKeyMaker keyMaker = CodeKeyMakerFactory.createActionsKeyMaker(EncodeConstants.OF13_VERSION_ID);
  48         List<Action> actions = ListDeserializer.deserializeList(
  49                 EncodeConstants.OF13_VERSION_ID, length, input, keyMaker, getRegistry());
  50         actionsBuilder.setAction(actions);
  51         builder.addAugmentation(ActionsInstruction.class, actionsBuilder.build());
  52         return builder.build();
  53     }
  54
  55     protected abstract Class<? extends InstructionBase> getType();
  56
  57     protected DeserializerRegistry getRegistry() {
  58         return registry;
  59     }
  60
  61     @Override
  62     public void injectDeserializerRegistry(DeserializerRegistry deserializerRegistry) {
  63         this.registry = deserializerRegistry;
  64     }
  65 }