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

   1 /*
   2  * Copyright (c) 2014 Cisco Systems, Inc. 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.openflowjava.nx.codec.action;
   9
  10 import static org.opendaylight.yangtools.yang.common.netty.ByteBufUtils.readUint16;
  11 import static org.opendaylight.yangtools.yang.common.netty.ByteBufUtils.readUint32;
  12
  13 import io.netty.buffer.ByteBuf;
  14 import org.opendaylight.openflowjava.nx.api.NiciraActionDeserializerKey;
  15 import org.opendaylight.openflowjava.nx.api.NiciraActionSerializerKey;
  16 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.Action;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.ActionBuilder;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.action.container.action.choice.ActionOutputReg;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.action.container.action.choice.ActionOutputRegBuilder;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.ofj.nx.action.output.reg.grouping.NxActionOutputRegBuilder;
  22
  23 /**
  24  * Codec for the Nicira OutputRegAction.
  25  *
  26  * @author readams
  27  */
  28 public class OutputRegCodec extends AbstractActionCodec {
  29     public static final int LENGTH = 24;
  30     public static final byte SUBTYPE = 15; // NXAST_OUTPUT_REG
  31     public static final byte PADDING_IN_OUTPUT_REG_ACTION = 6;
  32     public static final NiciraActionSerializerKey SERIALIZER_KEY =
  33             new NiciraActionSerializerKey(EncodeConstants.OF13_VERSION_ID, ActionOutputReg.class);
  34     public static final NiciraActionDeserializerKey DESERIALIZER_KEY =
  35             new NiciraActionDeserializerKey(EncodeConstants.OF13_VERSION_ID, SUBTYPE);
  36
  37     @Override
  38     public void serialize(final Action input, final ByteBuf outBuffer) {
  39         ActionOutputReg action = (ActionOutputReg) input.getActionChoice();
  40         serializeHeader(LENGTH, SUBTYPE, outBuffer);
  41         outBuffer.writeShort(action.getNxActionOutputReg().getNBits().shortValue());
  42         outBuffer.writeInt(action.getNxActionOutputReg().getSrc().intValue());
  43         outBuffer.writeShort(action.getNxActionOutputReg().getMaxLen().shortValue());
  44         outBuffer.writeZero(6);
  45     }
  46
  47     @Override
  48     public Action deserialize(final ByteBuf message) {
  49         final ActionBuilder actionBuilder = deserializeHeader(message);
  50         final ActionOutputRegBuilder builder = new ActionOutputRegBuilder();
  51         NxActionOutputRegBuilder nxActionOutputRegBuilder = new NxActionOutputRegBuilder();
  52         nxActionOutputRegBuilder.setNBits(readUint16(message));
  53         nxActionOutputRegBuilder.setSrc(readUint32(message));
  54         nxActionOutputRegBuilder.setMaxLen(readUint16(message));
  55         message.skipBytes(PADDING_IN_OUTPUT_REG_ACTION);
  56         builder.setNxActionOutputReg(nxActionOutputRegBuilder.build());
  57         actionBuilder.setActionChoice(builder.build());
  58         return actionBuilder.build();
  59     }
  60
  61 }