openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/serialization/match/OxmIpv6ExtHdrSerializer.java

   1 /*
   2  * Copyright (c) 2013 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.openflowjava.protocol.impl.serialization.match;
   9
  10 import io.netty.buffer.ByteBuf;
  11
  12 import org.opendaylight.openflowjava.util.ByteBufUtils;
  13 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  14 import org.opendaylight.openflowjava.protocol.api.util.OxmMatchConstants;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.PseudoFieldMatchEntry;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.Ipv6ExthdrFlags;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.oxm.fields.grouping.MatchEntries;
  18
  19 /**
  20  * @author michal.polkorab
  21  *
  22  */
  23 public class OxmIpv6ExtHdrSerializer extends AbstractOxmMatchEntrySerializer {
  24
  25     @Override
  26     public void serialize(final MatchEntries entry, final ByteBuf outBuffer) {
  27         super.serialize(entry, outBuffer);
  28         Ipv6ExthdrFlags pseudoField = entry.getAugmentation(PseudoFieldMatchEntry.class).getPseudoField();
  29         int bitmap = ByteBufUtils.fillBitMask(0,
  30                 pseudoField.isNonext(),
  31                 pseudoField.isEsp(),
  32                 pseudoField.isAuth(),
  33                 pseudoField.isDest(),
  34                 pseudoField.isFrag(),
  35                 pseudoField.isRouter(),
  36                 pseudoField.isHop(),
  37                 pseudoField.isUnrep(),
  38                 pseudoField.isUnseq());
  39         outBuffer.writeShort(bitmap);
  40         writeMask(entry, outBuffer, getValueLength());
  41     }
  42
  43     @Override
  44     protected int getOxmClassCode() {
  45         return OxmMatchConstants.OPENFLOW_BASIC_CLASS;
  46     }
  47
  48     @Override
  49     protected int getOxmFieldCode() {
  50         return OxmMatchConstants.IPV6_EXTHDR;
  51     }
  52
  53     @Override
  54     protected int getValueLength() {
  55         return EncodeConstants.SIZE_OF_SHORT_IN_BYTES;
  56     }
  57 }