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.ConvertorExecutor;
  17 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.common.ConvertorCase;
  18 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.common.IpConversionUtil;
  19 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.data.VersionConvertorData;
  20 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.match.MatchConvertorUtil;
  21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
  22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._3.match.Ipv4Match;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.Ipv4Dst;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.Ipv4Src;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.OpenflowBasicClass;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntry;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntryBuilder;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.Ipv4DstCaseBuilder;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.Ipv4SrcCaseBuilder;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.ipv4.dst._case.Ipv4DstBuilder;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.ipv4.src._case.Ipv4SrcBuilder;
  33
  34 public class SalToOfIpv4MatchCase extends ConvertorCase<Ipv4Match, List<MatchEntry>, VersionConvertorData> {
  35     public SalToOfIpv4MatchCase() {
  36         super(Ipv4Match.class, true);
  37     }
  38
  39     @Override
  40     public Optional<List<MatchEntry>> process(@Nonnull Ipv4Match source, VersionConvertorData data,
  41             ConvertorExecutor convertorExecutor) {
  42         List<MatchEntry> result = new ArrayList<>();
  43
  44         if (source.getIpv4Source() != null) {
  45             Ipv4Prefix ipv4Prefix = source.getIpv4Source();
  46             MatchEntryBuilder matchEntryBuilder = new MatchEntryBuilder();
  47             matchEntryBuilder.setOxmClass(OpenflowBasicClass.class);
  48             matchEntryBuilder.setOxmMatchField(Ipv4Src.class);
  49
  50             Ipv4SrcBuilder ipv4SrcBuilder = new Ipv4SrcBuilder();
  51
  52             Iterator<String> addressParts = IpConversionUtil.splitToParts(ipv4Prefix);
  53             Ipv4Address ipv4Address = new Ipv4Address(addressParts.next());
  54             ipv4SrcBuilder.setIpv4Address(ipv4Address);
  55             boolean hasMask = false;
  56             byte[] mask = MatchConvertorUtil.extractIpv4Mask(addressParts);
  57
  58             if (null != mask) {
  59                 ipv4SrcBuilder.setMask(mask);
  60                 hasMask = true;
  61             }
  62
  63             matchEntryBuilder.setHasMask(hasMask);
  64
  65             Ipv4SrcCaseBuilder ipv4SrcCaseBuilder = new Ipv4SrcCaseBuilder();
  66             ipv4SrcCaseBuilder.setIpv4Src(ipv4SrcBuilder.build());
  67             matchEntryBuilder.setMatchEntryValue(ipv4SrcCaseBuilder.build());
  68             result.add(matchEntryBuilder.build());
  69         }
  70
  71         if (source.getIpv4Destination() != null) {
  72             Ipv4Prefix ipv4Prefix = source.getIpv4Destination();
  73             MatchEntryBuilder matchEntryBuilder = new MatchEntryBuilder();
  74             matchEntryBuilder.setOxmClass(OpenflowBasicClass.class);
  75             matchEntryBuilder.setOxmMatchField(Ipv4Dst.class);
  76
  77             Ipv4DstBuilder ipv4DstBuilder = new Ipv4DstBuilder();
  78
  79             Iterator<String> addressParts = IpConversionUtil.splitToParts(ipv4Prefix);
  80             Ipv4Address ipv4Address = new Ipv4Address(addressParts.next());
  81             ipv4DstBuilder.setIpv4Address(ipv4Address);
  82             boolean hasMask = false;
  83             byte[] mask = MatchConvertorUtil.extractIpv4Mask(addressParts);
  84
  85             if (null != mask) {
  86                 ipv4DstBuilder.setMask(mask);
  87                 hasMask = true;
  88             }
  89
  90             matchEntryBuilder.setHasMask(hasMask);
  91
  92             Ipv4DstCaseBuilder ipv4DstCaseBuilder = new Ipv4DstCaseBuilder();
  93             ipv4DstCaseBuilder.setIpv4Dst(ipv4DstBuilder.build());
  94             matchEntryBuilder.setMatchEntryValue(ipv4DstCaseBuilder.build());
  95             result.add(matchEntryBuilder.build());
  96         }
  97
  98         return Optional.of(result);
  99     }
 100 }