openflowplugin/src/main/java/org/opendaylight/openflowplugin/openflow/md/core/sal/convertor/match/cases/SalToOfIpv4MatchCase.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.Iterator;
  13 import java.util.List;
  14 import java.util.Optional;
  15 import javax.annotation.Nonnull;
  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.openflowplugin.openflow.md.core.sal.convertor.match.MatchConvertorUtil;
  20 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
  21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._3.match.Ipv4Match;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.Ipv4Dst;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.Ipv4Src;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.OpenflowBasicClass;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntry;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntryBuilder;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.Ipv4DstCaseBuilder;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.Ipv4SrcCaseBuilder;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.ipv4.dst._case.Ipv4DstBuilder;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.ipv4.src._case.Ipv4SrcBuilder;
  32
  33 public class SalToOfIpv4MatchCase extends ConvertorCase<Ipv4Match, List<MatchEntry>, VersionConvertorData> {
  34     public SalToOfIpv4MatchCase() {
  35         super(Ipv4Match.class, true);
  36     }
  37
  38     @Override
  39     public Optional<List<MatchEntry>> process(@Nonnull Ipv4Match source, VersionConvertorData data) {
  40         List<MatchEntry> result = new ArrayList<>();
  41
  42         if (source.getIpv4Source() != null) {
  43             Ipv4Prefix ipv4Prefix = source.getIpv4Source();
  44             MatchEntryBuilder matchEntryBuilder = new MatchEntryBuilder();
  45             matchEntryBuilder.setOxmClass(OpenflowBasicClass.class);
  46             matchEntryBuilder.setOxmMatchField(Ipv4Src.class);
  47
  48             Ipv4SrcCaseBuilder ipv4SrcCaseBuilder = new Ipv4SrcCaseBuilder();
  49             Ipv4SrcBuilder ipv4SrcBuilder = new Ipv4SrcBuilder();
  50
  51             Iterator<String> addressParts = IpConversionUtil.splitToParts(ipv4Prefix);
  52             Ipv4Address ipv4Address = new Ipv4Address(addressParts.next());
  53             ipv4SrcBuilder.setIpv4Address(ipv4Address);
  54             boolean hasMask = false;
  55             byte[] mask = MatchConvertorUtil.extractIpv4Mask(addressParts);
  56
  57             if (null != mask) {
  58                 ipv4SrcBuilder.setMask(mask);
  59                 hasMask = true;
  60             }
  61
  62             matchEntryBuilder.setHasMask(hasMask);
  63             ipv4SrcCaseBuilder.setIpv4Src(ipv4SrcBuilder.build());
  64             matchEntryBuilder.setMatchEntryValue(ipv4SrcCaseBuilder.build());
  65             result.add(matchEntryBuilder.build());
  66         }
  67
  68         if (source.getIpv4Destination() != null) {
  69             Ipv4Prefix ipv4Prefix = source.getIpv4Destination();
  70             MatchEntryBuilder matchEntryBuilder = new MatchEntryBuilder();
  71             matchEntryBuilder.setOxmClass(OpenflowBasicClass.class);
  72             matchEntryBuilder.setOxmMatchField(Ipv4Dst.class);
  73
  74             Ipv4DstCaseBuilder ipv4DstCaseBuilder = new Ipv4DstCaseBuilder();
  75             Ipv4DstBuilder ipv4DstBuilder = new Ipv4DstBuilder();
  76
  77             Iterator<String> addressParts = IpConversionUtil.splitToParts(ipv4Prefix);
  78             Ipv4Address ipv4Address = new Ipv4Address(addressParts.next());
  79             ipv4DstBuilder.setIpv4Address(ipv4Address);
  80             boolean hasMask = false;
  81             byte[] mask = MatchConvertorUtil.extractIpv4Mask(addressParts);
  82
  83             if (null != mask) {
  84                 ipv4DstBuilder.setMask(mask);
  85                 hasMask = true;
  86             }
  87
  88             matchEntryBuilder.setHasMask(hasMask);
  89             ipv4DstCaseBuilder.setIpv4Dst(ipv4DstBuilder.build());
  90             matchEntryBuilder.setMatchEntryValue(ipv4DstCaseBuilder.build());
  91             result.add(matchEntryBuilder.build());
  92         }
  93
  94         return Optional.of(result);
  95     }
  96 }