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

   1 /*
   2  * Copyright (C) 2014 SDN Hub, LLC.
   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  * Authors : Srini Seetharaman
   9  */
  10
  11 package org.opendaylight.openflowjava.nx.codec.action;
  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.nx.api.NiciraConstants;
  17 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.Action;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.ActionBuilder;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.NxmNxMultipath;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.OfjNxHashFields;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.OfjNxMpAlgorithm;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.action.container.action.choice.ActionMultipath;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.action.container.action.choice.ActionMultipathBuilder;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.ofj.nx.action.multipath.grouping.NxActionMultipathBuilder;
  26 import org.slf4j.Logger;
  27 import org.slf4j.LoggerFactory;
  28
  29 /**
  30  * Codec for the NX_MULTIPATH
  31  */
  32 public class MultipathCodec extends AbstractActionCodec {
  33     private static final Logger logger = LoggerFactory.getLogger(MultipathCodec.class);
  34
  35     public static final int LENGTH = 32;
  36     public static final byte NXAST_MULTIPATH_SUBTYPE = 10;
  37     public static final NiciraActionSerializerKey SERIALIZER_KEY =
  38             new NiciraActionSerializerKey(EncodeConstants.OF13_VERSION_ID, ActionMultipath.class);
  39     public static final NiciraActionDeserializerKey DESERIALIZER_KEY =
  40             new NiciraActionDeserializerKey(EncodeConstants.OF13_VERSION_ID, NXAST_MULTIPATH_SUBTYPE);
  41
  42     @Override
  43     public void serialize(Action input, ByteBuf outBuffer) {
  44         ActionMultipath action = ((ActionMultipath) input.getActionChoice()); //getAugmentation(OfjAugNxAction.class).getActionMultipath();
  45         serializeHeader(LENGTH, NXAST_MULTIPATH_SUBTYPE, outBuffer);
  46
  47         outBuffer.writeShort(action.getNxActionMultipath().getFields().getIntValue());
  48         outBuffer.writeShort(action.getNxActionMultipath().getBasis().shortValue());
  49         outBuffer.writeZero(2);
  50
  51         outBuffer.writeShort(action.getNxActionMultipath().getAlgorithm().getIntValue());
  52         outBuffer.writeShort(action.getNxActionMultipath().getMaxLink().shortValue());
  53         outBuffer.writeInt(action.getNxActionMultipath().getArg().intValue());
  54         outBuffer.writeZero(2);
  55
  56         outBuffer.writeShort(action.getNxActionMultipath().getOfsNbits().shortValue());
  57         outBuffer.writeInt(action.getNxActionMultipath().getDst().intValue());
  58     }
  59
  60     @Override
  61     public Action deserialize(ByteBuf message) {
  62         ActionBuilder actionBuilder = deserializeHeader(message);
  63         ActionMultipathBuilder actionMultipathBuilder = new ActionMultipathBuilder();
  64
  65         NxActionMultipathBuilder nxActionMultipathBuilder = new NxActionMultipathBuilder();
  66         nxActionMultipathBuilder.setFields(OfjNxHashFields.forValue(message.readUnsignedShort()));
  67         nxActionMultipathBuilder.setBasis(message.readUnsignedShort());
  68         message.skipBytes(2); //two bytes
  69
  70         nxActionMultipathBuilder.setAlgorithm(OfjNxMpAlgorithm.forValue(message.readUnsignedShort()));
  71         nxActionMultipathBuilder.setMaxLink(message.readUnsignedShort());
  72         nxActionMultipathBuilder.setArg(message.readUnsignedInt());
  73         message.skipBytes(2); //two bytes
  74
  75         nxActionMultipathBuilder.setOfsNbits(message.readUnsignedShort());
  76         nxActionMultipathBuilder.setDst(message.readUnsignedInt());
  77         actionMultipathBuilder.setNxActionMultipath(nxActionMultipathBuilder.build());
  78         actionBuilder.setActionChoice(actionMultipathBuilder.build());
  79
  80         return actionBuilder.build();
  81     }
  82 }