extension/openflowjava-extension-nicira/src/main/java/org/opendaylight/openflowjava/nx/codec/action/AbstractActionCodec.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 io.netty.buffer.ByteBuf;
  11 import org.opendaylight.openflowjava.nx.api.NiciraConstants;
  12 import org.opendaylight.openflowjava.protocol.api.extensibility.OFDeserializer;
  13 import org.opendaylight.openflowjava.protocol.api.extensibility.OFSerializer;
  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.openflow.common.types.rev130731.ExperimenterId;
  18
  19 /**
  20  * @author msunal
  21  */
  22 public abstract class AbstractActionCodec implements OFSerializer<Action>, OFDeserializer<Action> {
  23
  24     protected final static void serializeHeader(final int msgLength, final int subtype, final ByteBuf outBuffer) {
  25         outBuffer.writeShort(EncodeConstants.EXPERIMENTER_VALUE);
  26         writeMsgLengthVendorIdSubtypeToBuffer(msgLength, subtype, outBuffer);
  27     }
  28
  29     private final static void writeMsgLengthVendorIdSubtypeToBuffer(final int msgLength, final int subtype, final ByteBuf outBuffer) {
  30         outBuffer.writeShort(msgLength);
  31         outBuffer.writeInt(NiciraConstants.NX_VENDOR_ID.intValue());
  32         outBuffer.writeShort(subtype);
  33     }
  34
  35     protected final static ActionBuilder deserializeHeader(final ByteBuf message) {
  36         // size of experimenter type
  37         message.skipBytes(EncodeConstants.SIZE_OF_SHORT_IN_BYTES);
  38         // size of length
  39         message.skipBytes(EncodeConstants.SIZE_OF_SHORT_IN_BYTES);
  40         // vendor id
  41         message.skipBytes(EncodeConstants.SIZE_OF_INT_IN_BYTES);
  42         // subtype
  43         message.skipBytes(EncodeConstants.SIZE_OF_SHORT_IN_BYTES);
  44         ActionBuilder actionBuilder = new ActionBuilder();
  45         actionBuilder.setExperimenterId(getExperimenterId());
  46         return actionBuilder;
  47     }
  48
  49     protected final static ExperimenterId getExperimenterId(){
  50         return new ExperimenterId(NiciraConstants.NX_VENDOR_ID);
  51     }
  52
  53
  54 }