openflowplugin/src/main/java/org/opendaylight/openflowplugin/openflow/md/core/sal/convertor/match/cases/SalToOfIpv4MatchArbitraryBitMaskCase.java

   1 /*
   2  * Copyright (c) 2016 Cisco 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
   9 package org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.match.cases;
  10
  11 import java.util.ArrayList;
  12 import java.util.List;
  13 import java.util.Optional;
  14 import javax.annotation.Nonnull;
  15 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.ConvertorExecutor;
  16 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.common.ConvertorCase;
  17 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.common.IpConversionUtil;
  18 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.data.VersionConvertorData;
  19 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.DottedQuad;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._3.match.Ipv4MatchArbitraryBitMask;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.Ipv4Dst;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.Ipv4Src;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.OpenflowBasicClass;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntry;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntryBuilder;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.Ipv4DstCaseBuilder;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.Ipv4SrcCaseBuilder;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.ipv4.dst._case.Ipv4DstBuilder;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.ipv4.src._case.Ipv4SrcBuilder;
  30
  31 public class SalToOfIpv4MatchArbitraryBitMaskCase extends ConvertorCase<Ipv4MatchArbitraryBitMask,
  32         List<MatchEntry>, VersionConvertorData> {
  33     public SalToOfIpv4MatchArbitraryBitMaskCase() {
  34         super(Ipv4MatchArbitraryBitMask.class, true);
  35     }
  36
  37     @Override
  38     public Optional<List<MatchEntry>> process(@Nonnull Ipv4MatchArbitraryBitMask source, VersionConvertorData data,
  39             ConvertorExecutor convertorExecutor) {
  40         List<MatchEntry> result = new ArrayList<>();
  41
  42         if (source.getIpv4SourceAddressNoMask() != null) {
  43             MatchEntryBuilder matchEntryBuilder = new MatchEntryBuilder();
  44             matchEntryBuilder.setOxmClass(OpenflowBasicClass.class);
  45             matchEntryBuilder.setOxmMatchField(Ipv4Src.class);
  46
  47             Ipv4SrcBuilder ipv4SrcBuilder = new Ipv4SrcBuilder();
  48
  49             ipv4SrcBuilder.setIpv4Address(source.getIpv4SourceAddressNoMask());
  50             DottedQuad sourceArbitrarySubNetMask = source.getIpv4SourceArbitraryBitmask();
  51
  52             boolean hasMask = false;
  53             if (sourceArbitrarySubNetMask != null) {
  54                 byte[] maskByteArray = IpConversionUtil.convertArbitraryMaskToByteArray(sourceArbitrarySubNetMask);
  55                 if (maskByteArray != null) {
  56                     ipv4SrcBuilder.setMask(maskByteArray);
  57                     hasMask = true;
  58                 }
  59             }
  60             matchEntryBuilder.setHasMask(hasMask);
  61
  62             Ipv4SrcCaseBuilder ipv4SrcCaseBuilder = new Ipv4SrcCaseBuilder();
  63             ipv4SrcCaseBuilder.setIpv4Src(ipv4SrcBuilder.build());
  64             matchEntryBuilder.setMatchEntryValue(ipv4SrcCaseBuilder.build());
  65             result.add(matchEntryBuilder.build());
  66         }
  67
  68         if (source.getIpv4DestinationAddressNoMask() != null) {
  69             MatchEntryBuilder matchEntryBuilder = new MatchEntryBuilder();
  70             matchEntryBuilder.setOxmClass(OpenflowBasicClass.class);
  71             matchEntryBuilder.setOxmMatchField(Ipv4Dst.class);
  72
  73             Ipv4DstBuilder ipv4DstBuilder = new Ipv4DstBuilder();
  74
  75             ipv4DstBuilder.setIpv4Address(source.getIpv4DestinationAddressNoMask());
  76             DottedQuad destArbitrarySubNetMask = source.getIpv4DestinationArbitraryBitmask();
  77
  78             boolean hasMask = false;
  79             if (destArbitrarySubNetMask != null) {
  80                 byte[] maskByteArray = IpConversionUtil.convertArbitraryMaskToByteArray(destArbitrarySubNetMask);
  81                 if (maskByteArray != null) {
  82                     ipv4DstBuilder.setMask(maskByteArray);
  83                     hasMask = true;
  84                 }
  85             }
  86             matchEntryBuilder.setHasMask(hasMask);
  87
  88             Ipv4DstCaseBuilder ipv4DstCaseBuilder = new Ipv4DstCaseBuilder();
  89             ipv4DstCaseBuilder.setIpv4Dst(ipv4DstBuilder.build());
  90             matchEntryBuilder.setMatchEntryValue(ipv4DstCaseBuilder.build());
  91             result.add(matchEntryBuilder.build());
  92         }
  93
  94         return Optional.of(result);
  95     }
  96 }