openflowplugin/src/main/java/org/opendaylight/openflowplugin/openflow/md/core/sal/convertor/action/cases/SalToOfSetNwDstActionCase.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.action.cases;
  10
  11 import com.google.common.base.Splitter;
  12 import java.util.ArrayList;
  13 import java.util.List;
  14 import java.util.Optional;
  15 import javax.annotation.Nonnull;
  16 import org.opendaylight.openflowplugin.api.OFConstants;
  17 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.ConvertorExecutor;
  18 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.action.data.ActionConvertorData;
  19 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.common.ConvertorCase;
  20 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.common.IpConversionUtil;
  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.Ipv6Address;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetNwDstActionCase;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.address.Address;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.address.address.Ipv4;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.address.address.Ipv6;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.action.grouping.action.choice.SetFieldCaseBuilder;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.action.grouping.action.choice.set.field._case.SetFieldActionBuilder;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.Action;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.ActionBuilder;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.Ipv4Dst;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.Ipv6Dst;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.OpenflowBasicClass;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntry;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntryBuilder;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.Ipv4DstCaseBuilder;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.Ipv6DstCaseBuilder;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.ipv4.dst._case.Ipv4DstBuilder;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.ipv6.dst._case.Ipv6DstBuilder;
  40
  41 public class SalToOfSetNwDstActionCase extends ConvertorCase<SetNwDstActionCase, Action, ActionConvertorData> {
  42     private static final Splitter PREFIX_SPLITTER = Splitter.on('/');
  43
  44     public SalToOfSetNwDstActionCase() {
  45         super(SetNwDstActionCase.class, true, OFConstants.OFP_VERSION_1_3);
  46     }
  47
  48     @Nonnull
  49     @Override
  50     public Optional<Action> process(@Nonnull final SetNwDstActionCase source, final ActionConvertorData data, ConvertorExecutor convertorExecutor) {
  51         final ActionBuilder builder = new ActionBuilder();
  52         final Address address = source.getSetNwDstAction().getAddress();
  53
  54         if (address instanceof Ipv4) {
  55             Iterable<String> addressParts = PREFIX_SPLITTER.split(((Ipv4) address).getIpv4Address().getValue());
  56             Ipv4Address result = new Ipv4Address(addressParts.iterator().next());
  57             List<MatchEntry> matchEntriesList = new ArrayList<>();
  58             MatchEntryBuilder matchEntryBuilder = new MatchEntryBuilder();
  59             matchEntryBuilder.setOxmClass(OpenflowBasicClass.class);
  60             matchEntryBuilder.setOxmMatchField(Ipv4Dst.class);
  61
  62             Ipv4DstCaseBuilder ipv4DstCaseBuilder = new Ipv4DstCaseBuilder();
  63             Ipv4DstBuilder ipv4DstBuilder = new Ipv4DstBuilder();
  64             ipv4DstBuilder.setIpv4Address(result);
  65             Integer prefix = IpConversionUtil.extractPrefix(result);
  66             ipv4DstBuilder.setMask(IpConversionUtil.convertIpv6PrefixToByteArray(prefix));
  67             ipv4DstCaseBuilder.setIpv4Dst(ipv4DstBuilder.build());
  68
  69             matchEntryBuilder.setHasMask(false);
  70             matchEntryBuilder.setMatchEntryValue(ipv4DstCaseBuilder.build());
  71             matchEntriesList.add(matchEntryBuilder.build());
  72
  73             SetFieldCaseBuilder setFieldCaseBuilder = new SetFieldCaseBuilder();
  74             SetFieldActionBuilder setFieldActionBuilder = new SetFieldActionBuilder();
  75             setFieldActionBuilder.setMatchEntry(matchEntriesList);
  76             setFieldCaseBuilder.setSetFieldAction(setFieldActionBuilder.build());
  77             builder.setActionChoice(setFieldCaseBuilder.build());
  78         } else if (address instanceof Ipv6) {
  79             Iterable<String> addressParts = PREFIX_SPLITTER.split(((Ipv6) address).getIpv6Address().getValue());
  80             Ipv6Address result = new Ipv6Address(addressParts.iterator().next());
  81             List<MatchEntry> matchEntriesList = new ArrayList<>();
  82             MatchEntryBuilder matchEntryBuilder = new MatchEntryBuilder();
  83             matchEntryBuilder.setOxmClass(OpenflowBasicClass.class);
  84             matchEntryBuilder.setOxmMatchField(Ipv6Dst.class);
  85
  86             Ipv6DstCaseBuilder ipv6DstCaseBuilder = new Ipv6DstCaseBuilder();
  87             Ipv6DstBuilder ipv6DstBuilder = new Ipv6DstBuilder();
  88             ipv6DstBuilder.setIpv6Address(result);
  89             Integer prefix = IpConversionUtil.extractPrefix(result);
  90             ipv6DstBuilder.setMask(IpConversionUtil.convertIpv6PrefixToByteArray(prefix));
  91             ipv6DstCaseBuilder.setIpv6Dst(ipv6DstBuilder.build());
  92
  93             matchEntryBuilder.setHasMask(false);
  94             matchEntryBuilder.setMatchEntryValue(ipv6DstCaseBuilder.build());
  95             matchEntriesList.add(matchEntryBuilder.build());
  96
  97             SetFieldCaseBuilder setFieldCaseBuilder = new SetFieldCaseBuilder();
  98             SetFieldActionBuilder setFieldActionBuilder = new SetFieldActionBuilder();
  99             setFieldActionBuilder.setMatchEntry(matchEntriesList);
 100             setFieldCaseBuilder.setSetFieldAction(setFieldActionBuilder.build());
 101             builder.setActionChoice(setFieldCaseBuilder.build());
 102         } else {
 103             throw new IllegalArgumentException("Address is not supported: " + address.getClass().getName());
 104         }
 105
 106         return Optional.of(builder.build());
 107     }
 108 }