openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/protocol/serialization/multipart/tablefeatures/matchfield/AbstractMatchFieldSerializer.java

   1 /*
   2  * Copyright (c) 2017 Pantheon Technologies s.r.o. 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.openflowplugin.impl.protocol.serialization.multipart.tablefeatures.matchfield;
   9
  10 import io.netty.buffer.ByteBuf;
  11 import org.opendaylight.openflowjava.protocol.api.extensibility.OFSerializer;
  12 import org.opendaylight.yang.gen.v1.urn.opendaylight.table.types.rev131026.set.field.match.SetFieldMatch;
  13
  14 public abstract class AbstractMatchFieldSerializer implements OFSerializer<SetFieldMatch> {
  15
  16     @Override
  17     public void serialize(final SetFieldMatch setFieldMatch, final ByteBuf byteBuf) {
  18         byteBuf.writeShort(getOxmClassCode());
  19
  20         int fieldAndMask = getOxmFieldCode() << 1;
  21         int length = getValueLength();
  22
  23         if (setFieldMatch.getHasMask()) {
  24             fieldAndMask |= 1;
  25             length *= 2;
  26         }
  27
  28         byteBuf.writeByte(fieldAndMask);
  29         byteBuf.writeByte(length);
  30     }
  31
  32     protected abstract int getOxmClassCode();
  33
  34     protected abstract int getOxmFieldCode();
  35
  36     protected abstract int getValueLength();
  37 }