openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/protocol/serialization/match/Ipv6SourceEntrySerializer.java

   1 /*
   2  * Copyright (c) 2016 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
   9 package org.opendaylight.openflowplugin.impl.protocol.serialization.match;
  10
  11 import io.netty.buffer.ByteBuf;
  12 import java.util.Objects;
  13 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  14 import org.opendaylight.openflowjava.protocol.api.util.OxmMatchConstants;
  15 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.common.IpConversionUtil;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.Match;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._3.match.Ipv6Match;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._3.match.Ipv6MatchArbitraryBitMask;
  19
  20 public class Ipv6SourceEntrySerializer extends AbstractMatchEntrySerializer {
  21
  22     @Override
  23     public void serialize(Match match, ByteBuf outBuffer) {
  24         super.serialize(match, outBuffer);
  25
  26         if (isPrefix(match)) {
  27             writeIpv6Prefix(Ipv6Match.class.cast(match.getLayer3Match()).getIpv6Source(), outBuffer);
  28         } else if (isArbitrary(match)) {
  29             final Ipv6MatchArbitraryBitMask ipv6 = Ipv6MatchArbitraryBitMask.class.cast(match.getLayer3Match());
  30             writeIpv6Address(ipv6.getIpv6SourceAddressNoMask(), outBuffer);
  31
  32             if (getHasMask(match)) {
  33                 writeMask(IpConversionUtil.convertIpv6ArbitraryMaskToByteArray(ipv6.getIpv6SourceArbitraryBitmask()),
  34                         outBuffer,
  35                         getValueLength());
  36             }
  37         }
  38     }
  39
  40     @Override
  41     public boolean matchTypeCheck(Match match) {
  42         if (isPrefix(match)) {
  43             return Objects.nonNull(match.getLayer3Match()) &&
  44                     Objects.nonNull(Ipv6Match.class.cast(match.getLayer3Match()).getIpv6Source());
  45         } else if (isArbitrary(match)) {
  46
  47             return Objects.nonNull(match.getLayer3Match()) &&
  48                     Objects.nonNull(Ipv6MatchArbitraryBitMask.class.cast(match.getLayer3Match()).getIpv6SourceAddressNoMask());
  49         }
  50
  51         return false;
  52     }
  53
  54     @Override
  55     protected boolean getHasMask(Match match) {
  56         if (isPrefix(match)) {
  57             return Objects.nonNull(IpConversionUtil
  58                     .extractIpv6Prefix(Ipv6Match.class.cast(match.getLayer3Match()).getIpv6Source()));
  59         } else if (isArbitrary(match)) {
  60             return Objects.nonNull(Ipv6MatchArbitraryBitMask.class.cast(match.getLayer3Match()).getIpv6SourceArbitraryBitmask());
  61         }
  62
  63         return false;
  64     }
  65
  66     private static boolean isPrefix(Match match) {
  67         return Ipv6Match.class.isInstance(match.getLayer3Match());
  68     }
  69
  70     private static boolean isArbitrary(Match match) {
  71         return Ipv6MatchArbitraryBitMask.class.isInstance(match.getLayer3Match());
  72     }
  73
  74     @Override
  75     protected int getOxmFieldCode() {
  76         return OxmMatchConstants.IPV6_SRC;
  77     }
  78
  79     @Override
  80     protected int getOxmClassCode() {
  81         return OxmMatchConstants.OPENFLOW_BASIC_CLASS;
  82     }
  83
  84     @Override
  85     protected int getValueLength() {
  86         return EncodeConstants.SIZE_OF_IPV6_ADDRESS_IN_BYTES;
  87     }
  88
  89 }