extension/openflowplugin-extension-nicira/src/main/java/org/opendaylight/openflowplugin/extension/vendor/nicira/convertor/match/ArpSpaConvertor.java

   1 /**
   2  * Copyright (c) 2014 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 package org.opendaylight.openflowplugin.extension.vendor.nicira.convertor.match;
   9
  10 import com.google.common.base.Optional;
  11 import org.opendaylight.openflowplugin.extension.api.ConvertorFromOFJava;
  12 import org.opendaylight.openflowplugin.extension.api.ConvertorToOFJava;
  13 import org.opendaylight.openflowplugin.extension.api.ExtensionAugment;
  14 import org.opendaylight.openflowplugin.extension.api.path.MatchPath;
  15 import org.opendaylight.openflowplugin.extension.vendor.nicira.convertor.CodecPreconditionException;
  16 import org.opendaylight.openflowplugin.extension.vendor.nicira.convertor.IpConverter;
  17 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.Nxm0Class;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntry;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.nxm.of.match.arp.spa.grouping.ArpSpaValuesBuilder;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.ArpSpaCaseValue;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.ArpSpaCaseValueBuilder;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.general.rev140714.ExtensionKey;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.general.rev140714.general.extension.grouping.Extension;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNodesNodeTableFlow;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNodesNodeTableFlowBuilder;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifPacketIn;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifPacketInBuilder;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifSwitchFlowRemoved;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifSwitchFlowRemovedBuilder;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchPacketInMessage;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchPacketInMessageBuilder;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchRpcGetFlowStats;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchRpcGetFlowStatsBuilder;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxmOfArpSpaGrouping;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxmOfArpSpaKey;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.nxm.of.arp.spa.grouping.NxmOfArpSpa;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.nxm.of.arp.spa.grouping.NxmOfArpSpaBuilder;
  39 import org.opendaylight.yangtools.yang.binding.Augmentation;
  40
  41 /**
  42  * Convert to/from SAL flow model to openflowjava model for ArpSpaCase.
  43  *
  44  * @author msunal
  45  */
  46 public class ArpSpaConvertor implements ConvertorToOFJava<MatchEntry>, ConvertorFromOFJava<MatchEntry, MatchPath> {
  47
  48     @Override
  49     public ExtensionAugment<? extends Augmentation<Extension>> convert(MatchEntry input, MatchPath path) {
  50         ArpSpaCaseValue arpSpaCaseValue = (ArpSpaCaseValue) input.getMatchEntryValue();
  51         Ipv4Address ipv4Address = IpConverter.longToIpv4Address(arpSpaCaseValue.getArpSpaValues().getValue());
  52         return resolveAugmentation(new NxmOfArpSpaBuilder().setIpv4Address(ipv4Address).build(), path,
  53                 NxmOfArpSpaKey.class);
  54     }
  55
  56     @Override
  57     public MatchEntry convert(Extension extension) {
  58         Optional<NxmOfArpSpaGrouping> matchGrouping = MatchUtil.ARP_SPA_RESOLVER.getExtension(extension);
  59         if (!matchGrouping.isPresent()) {
  60             throw new CodecPreconditionException(extension);
  61         }
  62         Long value = IpConverter.ipv4AddressToLong(matchGrouping.get().getNxmOfArpSpa().getIpv4Address());
  63         ArpSpaCaseValueBuilder arpSpaCaseValueBuilder = new ArpSpaCaseValueBuilder();
  64         arpSpaCaseValueBuilder.setArpSpaValues(new ArpSpaValuesBuilder()
  65                 .setValue(value).build());
  66         return MatchUtil.createDefaultMatchEntryBuilder(org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx
  67                 .match.rev140421.NxmOfArpSpa.class, Nxm0Class.class, arpSpaCaseValueBuilder.build()).build();
  68     }
  69
  70     private static ExtensionAugment<? extends Augmentation<Extension>> resolveAugmentation(NxmOfArpSpa value,
  71             MatchPath path, Class<? extends ExtensionKey> key) {
  72         switch (path) {
  73             case FLOWS_STATISTICS_UPDATE_MATCH:
  74                 return new ExtensionAugment<>(NxAugMatchNodesNodeTableFlow.class,
  75                         new NxAugMatchNodesNodeTableFlowBuilder().setNxmOfArpSpa(value).build(), key);
  76             case FLOWS_STATISTICS_RPC_MATCH:
  77                 return new ExtensionAugment<>(NxAugMatchRpcGetFlowStats.class,
  78                         new NxAugMatchRpcGetFlowStatsBuilder().setNxmOfArpSpa(value).build(), key);
  79             case PACKET_RECEIVED_MATCH:
  80                 return new ExtensionAugment<>(NxAugMatchNotifPacketIn.class, new NxAugMatchNotifPacketInBuilder()
  81                         .setNxmOfArpSpa(value).build(), key);
  82             case SWITCH_FLOW_REMOVED_MATCH:
  83                 return new ExtensionAugment<>(NxAugMatchNotifSwitchFlowRemoved.class,
  84                         new NxAugMatchNotifSwitchFlowRemovedBuilder().setNxmOfArpSpa(value).build(), key);
  85             case PACKET_IN_MESSAGE_MATCH:
  86                 return new ExtensionAugment<>(NxAugMatchPacketInMessage.class,
  87                         new NxAugMatchPacketInMessageBuilder().setNxmOfArpSpa(value).build(), key);
  88             default:
  89                 throw new CodecPreconditionException(path);
  90         }
  91     }
  92 }