extension/openflowjava-extension-nicira/src/main/java/org/opendaylight/openflowjava/nx/codec/action/DecapCodec.java

   1 /*
   2  * Copyright (c) 2018 SUSE LINUX GmbH.  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.nx.codec.action;
  10
  11 import io.netty.buffer.ByteBuf;
  12 import org.opendaylight.openflowjava.nx.api.NiciraActionDeserializerKey;
  13 import org.opendaylight.openflowjava.nx.api.NiciraActionSerializerKey;
  14 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.Action;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.ActionBuilder;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.action.container.action.choice.ActionDecap;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.action.container.action.choice.ActionDecapBuilder;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.ofj.nx.action.decap.grouping.NxActionDecap;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.ofj.nx.action.decap.grouping.NxActionDecapBuilder;
  21
  22 public class DecapCodec extends AbstractActionCodec {
  23
  24     public static final int LENGTH = 16;
  25     private static final int NXAST_DECAP_SUBTYPE = 47;
  26     private static final int PADDING = 2;
  27
  28     public static final NiciraActionSerializerKey SERIALIZER_KEY =
  29             new NiciraActionSerializerKey(EncodeConstants.OF13_VERSION_ID, ActionDecap.class);
  30     public static final NiciraActionDeserializerKey DESERIALIZER_KEY =
  31             new NiciraActionDeserializerKey(EncodeConstants.OF13_VERSION_ID, NXAST_DECAP_SUBTYPE);
  32
  33     @Override
  34     public Action deserialize(ByteBuf message) {
  35         final ActionBuilder actionBuilder = deserializeHeader(message);
  36         // skip padding
  37         message.skipBytes(PADDING);
  38         long packetType = message.readUnsignedInt();
  39         NxActionDecap nxActionDecap = new NxActionDecapBuilder().setPacketType(packetType).build();
  40         ActionDecap actionDecap = new ActionDecapBuilder().setNxActionDecap(nxActionDecap).build();
  41         actionBuilder.setActionChoice(actionDecap);
  42         return actionBuilder.build();
  43     }
  44
  45     @Override
  46     public void serialize(Action input, ByteBuf outBuffer) {
  47         serializeHeader(LENGTH, NXAST_DECAP_SUBTYPE, outBuffer);
  48         // add padding
  49         outBuffer.writeZero(PADDING);
  50         ActionDecap actionDecap = (ActionDecap) input.getActionChoice();
  51         Long packetType = actionDecap.getNxActionDecap().getPacketType();
  52         outBuffer.writeInt(packetType.intValue());
  53     }
  54 }