openflowplugin/src/main/java/org/opendaylight/openflowplugin/openflow/md/core/sal/convertor/match/cases/OfToSalArpSpaCase.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.Optional;
  12 import javax.annotation.Nonnull;
  13 import org.opendaylight.openflowplugin.api.OFConstants;
  14 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.common.ConvertorCase;
  15 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.common.IpConversionUtil;
  16 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.match.data.MatchResponseConvertorData;
  17 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.MatchBuilder;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._3.match.ArpMatchBuilder;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.ArpSpaCase;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.arp.spa._case.ArpSpa;
  22
  23 public class OfToSalArpSpaCase extends ConvertorCase<ArpSpaCase, MatchBuilder, MatchResponseConvertorData> {
  24     public OfToSalArpSpaCase() {
  25         super(ArpSpaCase.class, true, OFConstants.OFP_VERSION_1_0, OFConstants.OFP_VERSION_1_3);
  26     }
  27
  28     @Override
  29     public Optional<MatchBuilder> process(@Nonnull ArpSpaCase source, MatchResponseConvertorData data) {
  30         final MatchBuilder matchBuilder = data.getMatchBuilder();
  31         final ArpMatchBuilder arpMatchBuilder = data.getArpMatchBuilder();
  32
  33         ArpSpa arpSpa = source.getArpSpa();
  34
  35         if (arpSpa != null) {
  36             int mask = 32;
  37
  38             if (null != arpSpa.getMask()) {
  39                 mask = IpConversionUtil.countBits(arpSpa.getMask());
  40             }
  41
  42             Ipv4Prefix ipv4Prefix = IpConversionUtil.createPrefix(arpSpa.getIpv4Address(), mask);
  43             arpMatchBuilder.setArpSourceTransportAddress(ipv4Prefix);
  44             matchBuilder.setLayer3Match(arpMatchBuilder.build());
  45         }
  46
  47         return Optional.of(matchBuilder);
  48     }
  49 }