openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/serialization/match/ext/AbstractOxmExperimenterMatchEntrySerializer.java

   1 /*
   2  * Copyright (c) 2016 Brocade Communications 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.protocol.impl.serialization.match.ext;
   9
  10 import io.netty.buffer.ByteBuf;
  11 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  12 import org.opendaylight.openflowjava.protocol.api.util.OxmMatchConstants;
  13 import org.opendaylight.openflowjava.protocol.impl.serialization.match.AbstractOxmMatchEntrySerializer;
  14 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev150225.oxm.container.match.entry.value.ExperimenterIdCase;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntry;
  16
  17 /**
  18  * Created by Anil Vishnoi (avishnoi@Brocade.com) on 7/25/16.
  19  */
  20 public abstract class AbstractOxmExperimenterMatchEntrySerializer extends AbstractOxmMatchEntrySerializer {
  21
  22     @Override
  23     public void serialize(MatchEntry entry, ByteBuf outBuffer) {
  24         serializeHeader(entry, outBuffer);
  25     }
  26
  27     @Override
  28     public void serializeHeader(MatchEntry entry, ByteBuf outBuffer) {
  29         outBuffer.writeShort(getOxmClassCode());
  30         writeOxmFieldAndLength(outBuffer, getOxmFieldCode(), entry.isHasMask(),
  31                 getValueLength());
  32     }
  33
  34     protected static void writeOxmFieldAndLength(ByteBuf out, int fieldValue, boolean hasMask, int lengthArg) {
  35         int fieldAndMask = fieldValue << 1;
  36         int length = lengthArg;
  37         if (hasMask) {
  38             fieldAndMask |= 1;
  39             length *= 2;
  40         }
  41
  42         //Add experimenter-id lenge
  43         length = length + EncodeConstants.SIZE_OF_INT_IN_BYTES;
  44         out.writeByte(fieldAndMask);
  45         out.writeByte(length);
  46     }
  47
  48     protected ExperimenterIdCase serializeExperimenterId(MatchEntry matchEntry, ByteBuf out) {
  49         ExperimenterIdCase expCase = (ExperimenterIdCase) matchEntry.getMatchEntryValue();
  50         out.writeInt(expCase.getExperimenter().getExperimenter().getValue().intValue());
  51         return expCase;
  52     }
  53
  54     /**
  55      * @return Experimenter match entry ID
  56      */
  57     protected abstract long getExperimenterId();
  58 }
  59