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.protocol.api.util.EncodeConstants;
  13 import org.opendaylight.openflowjava.protocol.api.util.OxmMatchConstants;
  14 import org.opendaylight.openflowjava.util.ByteBufUtils;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.Ipv6ExthdrFlags;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntry;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.Ipv6ExthdrCase;
  18
  19 /**
  20  * @author michal.polkorab
  21  *
  22  */
  23 public class OxmIpv6ExtHdrSerializer extends AbstractOxmMatchEntrySerializer {
  24
  25     @Override
  26     public void serialize(MatchEntry entry, ByteBuf outBuffer) {
  27         super.serialize(entry, outBuffer);
  28         Ipv6ExthdrCase entryValue = (Ipv6ExthdrCase) entry.getMatchEntryValue();
  29         Ipv6ExthdrFlags pseudoField = entryValue.getIpv6Exthdr().getPseudoField();
  30         int bitmap = ByteBufUtils.fillBitMask(0,
  31                 pseudoField.isNonext(),
  32                 pseudoField.isEsp(),
  33                 pseudoField.isAuth(),
  34                 pseudoField.isDest(),
  35                 pseudoField.isFrag(),
  36                 pseudoField.isRouter(),
  37                 pseudoField.isHop(),
  38                 pseudoField.isUnrep(),
  39                 pseudoField.isUnseq());
  40         outBuffer.writeShort(bitmap);
  41         if (entry.isHasMask()) {
  42             outBuffer.writeBytes(entryValue.getIpv6Exthdr().getMask());
  43         }
  44     }
  45
  46     @Override
  47     protected int getOxmClassCode() {
  48         return OxmMatchConstants.OPENFLOW_BASIC_CLASS;
  49     }
  50
  51     @Override
  52     protected int getOxmFieldCode() {
  53         return OxmMatchConstants.IPV6_EXTHDR;
  54     }
  55
  56     @Override
  57     protected int getValueLength() {
  58         return EncodeConstants.SIZE_OF_SHORT_IN_BYTES;
  59     }
  60 }