openflowplugin/src/main/java/org/opendaylight/openflowplugin/openflow/md/core/translator/FlowRemovedTranslator.java

   1 package org.opendaylight.openflowplugin.openflow.md.core.translator;
   2
   3 import java.math.BigInteger;
   4 import java.util.Collections;
   5 import java.util.HashMap;
   6 import java.util.List;
   7 import java.util.Map;
   8 import java.util.Map.Entry;
   9 import java.util.concurrent.CopyOnWriteArrayList;
  10
  11 import org.opendaylight.openflowplugin.openflow.md.core.IMDMessageTranslator;
  12 import org.opendaylight.openflowplugin.openflow.md.core.SwitchConnectionDistinguisher;
  13 import org.opendaylight.openflowplugin.openflow.md.core.session.SessionContext;
  14 import org.opendaylight.openflowplugin.openflow.md.util.InventoryDataServiceUtil;
  15 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Prefix;
  16 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv6Prefix;
  17 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.PortNumber;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.SwitchFlowRemovedBuilder;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.mod.removed.Match;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.mod.removed.MatchBuilder;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.l2.types.rev130827.EtherType;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.l2.types.rev130827.VlanId;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.arp.match.fields.ArpSourceHardwareAddressBuilder;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.arp.match.fields.ArpTargetHardwareAddressBuilder;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.ethernet.match.fields.EthernetDestinationBuilder;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.ethernet.match.fields.EthernetSourceBuilder;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.ethernet.match.fields.EthernetTypeBuilder;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.ipv6.match.fields.Ipv6ExtHeaderBuilder;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.ipv6.match.fields.Ipv6LabelBuilder;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.EthernetMatchBuilder;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.Icmpv4MatchBuilder;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.Icmpv6MatchBuilder;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.IpMatchBuilder;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.MetadataBuilder;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.ProtocolMatchFieldsBuilder;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.TunnelBuilder;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.VlanMatchBuilder;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._3.match.ArpMatchBuilder;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._3.match.Ipv4MatchBuilder;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._3.match.Ipv6MatchBuilder;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._4.match.SctpMatchBuilder;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._4.match.TcpMatchBuilder;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._4.match.UdpMatchBuilder;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.protocol.match.fields.PbbBuilder;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.vlan.match.fields.VlanIdBuilder;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.BosMatchEntry;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.DscpMatchEntry;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.EcnMatchEntry;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.EthTypeMatchEntry;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Icmpv4CodeMatchEntry;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Icmpv4TypeMatchEntry;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Icmpv6CodeMatchEntry;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Icmpv6TypeMatchEntry;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Ipv4AddressMatchEntry;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Ipv6AddressMatchEntry;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Ipv6FlabelMatchEntry;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.IsidMatchEntry;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MacAddressMatchEntry;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MaskMatchEntry;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MetadataMatchEntry;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MplsLabelMatchEntry;
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.OpCodeMatchEntry;
  64 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.PortMatchEntry;
  65 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.PortNumberMatchEntry;
  66 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.ProtocolNumberMatchEntry;
  67 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.PseudoFieldMatchEntry;
  68 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.TcMatchEntry;
  69 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.VlanPcpMatchEntry;
  70 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.VlanVidMatchEntry;
  71 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.Ipv6ExthdrFlags;
  72 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.ArpOp;
  73 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.ArpSha;
  74 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.ArpSpa;
  75 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.ArpTha;
  76 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.ArpTpa;
  77 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.EthDst;
  78 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.EthSrc;
  79 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.EthType;
  80 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Icmpv4Code;
  81 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Icmpv4Type;
  82 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Icmpv6Code;
  83 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Icmpv6Type;
  84 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.InPhyPort;
  85 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.InPort;
  86 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.IpDscp;
  87 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.IpEcn;
  88 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.IpProto;
  89 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv4Dst;
  90 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv4Src;
  91 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv6Dst;
  92 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv6Exthdr;
  93 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv6Flabel;
  94 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv6NdSll;
  95 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv6NdTarget;
  96 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv6NdTll;
  97 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv6Src;
  98 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.MatchField;
  99 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Metadata;
 100 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.MplsBos;
 101 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.MplsLabel;
 102 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.MplsTc;
 103 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.PbbIsid;
 104 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.SctpDst;
 105 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.SctpSrc;
 106 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.TcpDst;
 107 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.TcpSrc;
 108 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.TunnelId;
 109 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.UdpDst;
 110 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.UdpSrc;
 111 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.VlanPcp;
 112 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.VlanVid;
 113 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.oxm.fields.MatchEntries;
 114 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.FlowRemovedMessage;
 115 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.OfHeader;
 116 import org.opendaylight.yangtools.yang.binding.DataObject;
 117 import org.slf4j.Logger;
 118 import org.slf4j.LoggerFactory;
 119
 120 public class FlowRemovedTranslator implements IMDMessageTranslator<OfHeader, List<DataObject>> {
 121
 122     protected static final Logger LOG = LoggerFactory.getLogger(FlowRemovedTranslator.class);
 123     private static final String PREFIX_SEPARATOR = "/";
 124
 125     @Override
 126     public List<DataObject> translate(SwitchConnectionDistinguisher cookie, SessionContext sc, OfHeader msg) {
 127         if (msg instanceof FlowRemovedMessage) {
 128             FlowRemovedMessage ofFlow = (FlowRemovedMessage) msg;
 129             List<DataObject> list = new CopyOnWriteArrayList<DataObject>();
 130             LOG.debug("Flow Removed Message received: Table Id={}, Flow removed reason={} ", ofFlow.getTableId(),
 131                     ofFlow.getReason());
 132
 133             SwitchFlowRemovedBuilder salFlowRemoved = new SwitchFlowRemovedBuilder();
 134
 135             salFlowRemoved.setCookie(ofFlow.getCookie());
 136             salFlowRemoved.setPriority(ofFlow.getPriority());
 137
 138             if (ofFlow.getTableId() != null) {
 139                 salFlowRemoved.setTableId(ofFlow.getTableId().getValue().shortValue());
 140             }
 141
 142             salFlowRemoved.setDurationSec(ofFlow.getDurationSec());
 143             salFlowRemoved.setDurationNsec(ofFlow.getDurationNsec());
 144             salFlowRemoved.setIdleTimeout(ofFlow.getIdleTimeout());
 145             salFlowRemoved.setHardTimeout(ofFlow.getHardTimeout());
 146             salFlowRemoved.setPacketCount(ofFlow.getPacketCount());
 147             salFlowRemoved.setByteCount(ofFlow.getByteCount());
 148             org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.match.grouping.Match ofMatch = ofFlow
 149                     .getMatch();
 150             if (ofMatch != null) {
 151                 salFlowRemoved.setMatch(fromMatch(ofMatch));
 152             }
 153             salFlowRemoved.setNode(new NodeRef(InventoryDataServiceUtil.identifierFromDatapathId(sc.getFeatures()
 154                     .getDatapathId())));
 155             list.add(salFlowRemoved.build());
 156             return list;
 157         } else {
 158             LOG.error("Message is not a flow removed message ");
 159             return Collections.emptyList();
 160         }
 161     }
 162
 163     public Match fromMatch(
 164             org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.match.grouping.Match ofMatch) {
 165         MatchBuilder matchBuilder = new MatchBuilder();
 166         EthernetMatchBuilder ethernetMatch = null;
 167         VlanMatchBuilder vlanMatch = null;
 168         IpMatchBuilder ipMatch = null;
 169         TcpMatchBuilder tcpMatch = null;
 170         UdpMatchBuilder udpMatch = null;
 171         SctpMatchBuilder sctpMatch = null;
 172         Icmpv4MatchBuilder icmpv4Match = null;
 173         Icmpv6MatchBuilder icmpv6Match = null;
 174         Ipv4MatchBuilder ipv4Match = null;
 175         ArpMatchBuilder arpMatch = null;
 176         Ipv6MatchBuilder ipv6Match = null;
 177         ProtocolMatchFieldsBuilder protocolMatchFields = null;
 178
 179         for (MatchEntries entry : ofMatch.getMatchEntries()) {
 180             Class<? extends MatchField> field = entry.getOxmMatchField();
 181             if (field.equals(InPort.class)) {
 182                 matchBuilder.setInPort(entry.getAugmentation(PortNumberMatchEntry.class).getPortNumber().getValue()
 183                         .longValue());
 184             } else if (field.equals(InPhyPort.class)) {
 185                 matchBuilder.setInPhyPort(entry.getAugmentation(PortNumberMatchEntry.class).getPortNumber().getValue()
 186                         .longValue());
 187             } else if (field.equals(Metadata.class)) {
 188                 MetadataBuilder metadata = new MetadataBuilder();
 189                 metadata.setMetadata(new BigInteger(entry.getAugmentation(MetadataMatchEntry.class).getMetadata()));
 190                 if (entry.isHasMask()) {
 191                     metadata.setMetadataMask(entry.getAugmentation(MaskMatchEntry.class).getMask());
 192                 }
 193                 matchBuilder.setMetadata(metadata.build());
 194             } else if (field.equals(EthDst.class) || field.equals(EthSrc.class) || field.equals(EthType.class)) {
 195                 if (ethernetMatch == null) {
 196                     ethernetMatch = new EthernetMatchBuilder();
 197                 }
 198                 if (field.equals(EthDst.class)) {
 199                     EthernetDestinationBuilder ethDst = new EthernetDestinationBuilder();
 200                     ethDst.setAddress(entry.getAugmentation(MacAddressMatchEntry.class).getMacAddress());
 201                     if (entry.isHasMask()) {
 202                         ethDst.setMask(entry.getAugmentation(MaskMatchEntry.class).getMask());
 203                     }
 204                     ethernetMatch.setEthernetDestination(ethDst.build());
 205                 } else if (field.equals(EthSrc.class)) {
 206                     EthernetSourceBuilder ethSrc = new EthernetSourceBuilder();
 207                     ethSrc.setAddress(entry.getAugmentation(MacAddressMatchEntry.class).getMacAddress());
 208                     if (entry.isHasMask()) {
 209                         ethSrc.setMask(entry.getAugmentation(MaskMatchEntry.class).getMask());
 210                     }
 211                     ethernetMatch.setEthernetSource(ethSrc.build());
 212                 } else if (field.equals(EthType.class)) {
 213                     EthernetTypeBuilder ethType = new EthernetTypeBuilder();
 214                     ethType.setType(new EtherType(entry.getAugmentation(EthTypeMatchEntry.class).getEthType()
 215                             .getValue().longValue()));
 216                     ethernetMatch.setEthernetType(ethType.build());
 217                 }
 218             } else if (field.equals(VlanVid.class) || field.equals(VlanPcp.class)) {
 219                 if (vlanMatch == null) {
 220                     vlanMatch = new VlanMatchBuilder();
 221                 }
 222                 if (field.equals(VlanVid.class)) {
 223                     boolean vlanIdPresent = false;
 224                     VlanIdBuilder vlanId = new VlanIdBuilder();
 225                     VlanVidMatchEntry vlanVid = entry.getAugmentation(VlanVidMatchEntry.class);
 226                     Integer vlanVidValue = vlanVid.getVlanVid();
 227                     if (vlanVid.isCfiBit()) {
 228                         vlanIdPresent = true;
 229                     }
 230                     vlanId.setVlanIdPresent(vlanIdPresent);
 231                     if (vlanVidValue != null) {
 232                         vlanId.setVlanId(new VlanId(vlanVidValue));
 233                     }
 234                     vlanMatch.setVlanId(vlanId.build());
 235                 } else if (field.equals(VlanPcp.class)) {
 236                     vlanMatch.setVlanPcp(new org.opendaylight.yang.gen.v1.urn.opendaylight.l2.types.rev130827.VlanPcp(
 237                             entry.getAugmentation(VlanPcpMatchEntry.class).getVlanPcp().shortValue()));
 238                 }
 239             } else if (field.equals(IpDscp.class) || field.equals(IpEcn.class) || field.equals(IpProto.class)) {
 240                 if (ipMatch == null) {
 241                     ipMatch = new IpMatchBuilder();
 242                 }
 243                 if (field.equals(IpDscp.class)) {
 244                     ipMatch.setIpDscp(new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Dscp(
 245                             entry.getAugmentation(DscpMatchEntry.class).getDscp().getValue()));
 246                 } else if (field.equals(IpEcn.class)) {
 247                     ipMatch.setIpEcn(entry.getAugmentation(EcnMatchEntry.class).getEcn());
 248                 } else if (field.equals(IpProto.class)) {
 249                     ipMatch.setIpProtocol(entry.getAugmentation(ProtocolNumberMatchEntry.class).getProtocolNumber());
 250                 }
 251             } else if (field.equals(TcpSrc.class) || field.equals(TcpDst.class)) {
 252                 if (tcpMatch == null) {
 253                     tcpMatch = new TcpMatchBuilder();
 254                 }
 255                 if (field.equals(TcpSrc.class)) {
 256                     tcpMatch.setTcpSourcePort(new PortNumber(entry.getAugmentation(PortMatchEntry.class).getPort()
 257                             .getValue()));
 258                 } else if (field.equals(TcpDst.class)) {
 259                     tcpMatch.setTcpDestinationPort(new PortNumber(entry.getAugmentation(PortMatchEntry.class).getPort()
 260                             .getValue()));
 261                 }
 262             } else if (field.equals(UdpSrc.class) || field.equals(UdpDst.class)) {
 263                 if (udpMatch == null) {
 264                     udpMatch = new UdpMatchBuilder();
 265                 }
 266                 if (field.equals(UdpSrc.class)) {
 267                     udpMatch.setUdpSourcePort(new PortNumber(entry.getAugmentation(PortMatchEntry.class).getPort()
 268                             .getValue()));
 269                 } else if (field.equals(UdpDst.class)) {
 270                     udpMatch.setUdpDestinationPort(new PortNumber(entry.getAugmentation(PortMatchEntry.class).getPort()
 271                             .getValue()));
 272                 }
 273             } else if (field.equals(SctpSrc.class) || field.equals(SctpDst.class)) {
 274                 if (sctpMatch == null) {
 275                     sctpMatch = new SctpMatchBuilder();
 276                 }
 277                 if (field.equals(SctpSrc.class)) {
 278                     sctpMatch.setSctpSourcePort(new PortNumber(entry.getAugmentation(PortMatchEntry.class).getPort()
 279                             .getValue()));
 280                 } else if (field.equals(SctpDst.class)) {
 281                     sctpMatch.setSctpDestinationPort(new PortNumber(entry.getAugmentation(PortMatchEntry.class)
 282                             .getPort().getValue()));
 283                 }
 284             } else if (field.equals(Icmpv4Type.class) || field.equals(Icmpv4Code.class)) {
 285                 if (icmpv4Match == null) {
 286                     icmpv4Match = new Icmpv4MatchBuilder();
 287                 }
 288                 if (field.equals(Icmpv4Type.class)) {
 289                     icmpv4Match.setIcmpv4Type(entry.getAugmentation(Icmpv4TypeMatchEntry.class).getIcmpv4Type());
 290                 } else if (field.equals(Icmpv4Code.class)) {
 291                     icmpv4Match.setIcmpv4Code(entry.getAugmentation(Icmpv4CodeMatchEntry.class).getIcmpv4Code());
 292                 }
 293             } else if (field.equals(Icmpv6Type.class) || field.equals(Icmpv6Code.class)) {
 294                 if (icmpv6Match == null) {
 295                     icmpv6Match = new Icmpv6MatchBuilder();
 296                 }
 297                 if (field.equals(Icmpv6Type.class)) {
 298                     icmpv6Match.setIcmpv6Type(entry.getAugmentation(Icmpv6TypeMatchEntry.class).getIcmpv6Type());
 299                 } else if (field.equals(Icmpv6Code.class)) {
 300                     icmpv6Match.setIcmpv6Code(entry.getAugmentation(Icmpv6CodeMatchEntry.class).getIcmpv6Code());
 301                 }
 302             } else if (field.equals(Ipv4Src.class) || field.equals(Ipv4Dst.class)) {
 303                 if (ipv4Match == null) {
 304                     ipv4Match = new Ipv4MatchBuilder();
 305                 }
 306                 if (field.equals(Ipv4Src.class)) {
 307                     ipv4Match.setIpv4Source(toIpv4Prefix(entry));
 308                 } else if (field.equals(Ipv4Dst.class)) {
 309                     ipv4Match.setIpv4Destination(toIpv4Prefix(entry));
 310                 }
 311             } else if (field.equals(ArpOp.class) || field.equals(ArpSpa.class) || field.equals(ArpTpa.class)
 312                     || field.equals(ArpSha.class) || field.equals(ArpTha.class)) {
 313                 if (arpMatch == null) {
 314                     arpMatch = new ArpMatchBuilder();
 315                 }
 316                 if (field.equals(ArpOp.class)) {
 317                     arpMatch.setArpOp(entry.getAugmentation(OpCodeMatchEntry.class).getOpCode());
 318                 } else if (field.equals(ArpSpa.class)) {
 319                     arpMatch.setArpSourceTransportAddress(toIpv4Prefix(entry));
 320                 } else if (field.equals(ArpTpa.class)) {
 321                     arpMatch.setArpTargetTransportAddress(toIpv4Prefix(entry));
 322                 } else if (field.equals(ArpSha.class)) {
 323                     ArpSourceHardwareAddressBuilder arpSha = new ArpSourceHardwareAddressBuilder();
 324                     arpSha.setAddress(entry.getAugmentation(MacAddressMatchEntry.class).getMacAddress());
 325                     if (entry.isHasMask()) {
 326                         arpSha.setMask(entry.getAugmentation(MaskMatchEntry.class).getMask());
 327                     }
 328                     arpMatch.setArpSourceHardwareAddress(arpSha.build());
 329                 } else if (field.equals(ArpTha.class)) {
 330                     ArpTargetHardwareAddressBuilder arpTha = new ArpTargetHardwareAddressBuilder();
 331                     arpTha.setAddress(entry.getAugmentation(MacAddressMatchEntry.class).getMacAddress());
 332                     if (entry.isHasMask()) {
 333                         arpTha.setMask(entry.getAugmentation(MaskMatchEntry.class).getMask());
 334                     }
 335                     arpMatch.setArpTargetHardwareAddress(arpTha.build());
 336                 }
 337             } else if (field.equals(Ipv6Src.class) || field.equals(Ipv6Dst.class) || field.equals(Ipv6Flabel.class)
 338                     || field.equals(Ipv6NdTarget.class) || field.equals(Ipv6NdSll.class)
 339                     || field.equals(Ipv6NdTll.class) || field.equals(Ipv6Exthdr.class)) {
 340                 if (ipv6Match == null) {
 341                     ipv6Match = new Ipv6MatchBuilder();
 342                 }
 343                 if (field.equals(Ipv6Src.class)) {
 344                     ipv6Match.setIpv6Source(toIpv6Prefix(entry));
 345                 } else if (field.equals(Ipv6Dst.class)) {
 346                     ipv6Match.setIpv6Destination(toIpv6Prefix(entry));
 347                 } else if (field.equals(Ipv6Flabel.class)) {
 348                     Ipv6LabelBuilder ipv6Label = new Ipv6LabelBuilder();
 349                     ipv6Label.setIpv6Flabel(entry.getAugmentation(Ipv6FlabelMatchEntry.class).getIpv6Flabel());
 350                     if (entry.isHasMask()) {
 351                         ipv6Label.setFlabelMask(entry.getAugmentation(MaskMatchEntry.class).getMask());
 352                     }
 353                     ipv6Match.setIpv6Label(ipv6Label.build());
 354                 } else if (field.equals(Ipv6NdTarget.class)) {
 355                     ipv6Match.setIpv6NdTarget(entry.getAugmentation(Ipv6AddressMatchEntry.class).getIpv6Address());
 356                 } else if (field.equals(Ipv6NdSll.class)) {
 357                     ipv6Match.setIpv6NdSll(entry.getAugmentation(MacAddressMatchEntry.class).getMacAddress());
 358                 } else if (field.equals(Ipv6NdTll.class)) {
 359                     ipv6Match.setIpv6NdTll(entry.getAugmentation(MacAddressMatchEntry.class).getMacAddress());
 360                 } else if (field.equals(Ipv6Exthdr.class)) {
 361                     // verify
 362                     Ipv6ExtHeaderBuilder ipv6ExtHeaderBuilder = new Ipv6ExtHeaderBuilder();
 363                     Ipv6ExthdrFlags pseudoField = entry.getAugmentation(PseudoFieldMatchEntry.class).getPseudoField();
 364                     Map<Integer, Boolean> map = new HashMap<>();
 365                     map.put(0, pseudoField.isNonext());
 366                     map.put(1, pseudoField.isEsp());
 367                     map.put(2, pseudoField.isAuth());
 368                     map.put(3, pseudoField.isDest());
 369                     map.put(4, pseudoField.isFrag());
 370                     map.put(5, pseudoField.isRouter());
 371                     map.put(6, pseudoField.isHop());
 372                     map.put(7, pseudoField.isUnrep());
 373                     map.put(8, pseudoField.isUnseq());
 374                     int bitmap = fillBitMaskFromMap(map);
 375                     ipv6ExtHeaderBuilder.setIpv6Exthdr(bitmap);
 376                     if (entry.isHasMask()) {
 377                         ipv6ExtHeaderBuilder.setIpv6ExthdrMask(entry.getAugmentation(MaskMatchEntry.class).getMask());
 378                     }
 379                     ipv6Match.setIpv6ExtHeader(ipv6ExtHeaderBuilder.build());
 380                 }
 381             } else if (field.equals(MplsLabel.class) || field.equals(MplsTc.class) || field.equals(MplsBos.class)
 382                     || field.equals(PbbIsid.class)) {
 383                 if (protocolMatchFields == null) {
 384                     protocolMatchFields = new ProtocolMatchFieldsBuilder();
 385                 }
 386                 if (field.equals(MplsLabel.class)) {
 387                     protocolMatchFields.setMplsLabel(entry.getAugmentation(MplsLabelMatchEntry.class).getMplsLabel());
 388                 } else if (field.equals(MplsTc.class)) {
 389                     protocolMatchFields.setMplsTc(entry.getAugmentation(TcMatchEntry.class).getTc());
 390                 } else if (field.equals(MplsBos.class)) {
 391                     protocolMatchFields
 392                             .setMplsBos((short) (entry.getAugmentation(BosMatchEntry.class).isBos() ? 1 : 0));
 393                 } else if (field.equals(PbbIsid.class)) {
 394                     PbbBuilder pbb = new PbbBuilder();
 395                     pbb.setPbbIsid(entry.getAugmentation(IsidMatchEntry.class).getIsid());
 396                     if (entry.isHasMask()) {
 397                         pbb.setPbbMask(entry.getAugmentation(MaskMatchEntry.class).getMask());
 398                     }
 399                     protocolMatchFields.setPbb(pbb.build());
 400                 }
 401             } else if (field.equals(TunnelId.class)) {
 402                 TunnelBuilder tunnel = new TunnelBuilder();
 403                 tunnel.setTunnelId(new BigInteger(entry.getAugmentation(MetadataMatchEntry.class).getMetadata()));
 404                 if (entry.isHasMask()) {
 405                     tunnel.setTunnelMask(entry.getAugmentation(MaskMatchEntry.class).getMask());
 406                 }
 407                 matchBuilder.setTunnel(tunnel.build());
 408             }
 409         }
 410
 411         if (ethernetMatch != null) {
 412             matchBuilder.setEthernetMatch(ethernetMatch.build());
 413         }
 414         if (vlanMatch != null) {
 415             matchBuilder.setVlanMatch(vlanMatch.build());
 416         }
 417         if (ipMatch != null) {
 418             matchBuilder.setIpMatch(ipMatch.build());
 419         }
 420
 421         if (tcpMatch != null) {
 422             matchBuilder.setLayer4Match(tcpMatch.build());
 423         } else if (udpMatch != null) {
 424             matchBuilder.setLayer4Match(udpMatch.build());
 425         } else if (sctpMatch != null) {
 426             matchBuilder.setLayer4Match(sctpMatch.build());
 427         }
 428
 429         if (icmpv4Match != null) {
 430             matchBuilder.setIcmpv4Match(icmpv4Match.build());
 431         } else if (icmpv6Match != null) {
 432             matchBuilder.setIcmpv6Match(icmpv6Match.build());
 433         }
 434
 435         if (ipv4Match != null) {
 436             matchBuilder.setLayer3Match(ipv4Match.build());
 437         } else if (arpMatch != null) {
 438             matchBuilder.setLayer3Match(arpMatch.build());
 439         } else if (ipv6Match != null) {
 440             matchBuilder.setLayer3Match(ipv6Match.build());
 441         }
 442         if (protocolMatchFields != null) {
 443             matchBuilder.setProtocolMatchFields(protocolMatchFields.build());
 444         }
 445         return matchBuilder.build();
 446     }
 447
 448     /**
 449      * Fills the bitmask from boolean map where key is bit position
 450      *
 451      * @param booleanMap
 452      *            bit to boolean mapping
 453      * @return bit mask
 454      */
 455     private int fillBitMaskFromMap(Map<Integer, Boolean> booleanMap) {
 456         int bitmask = 0;
 457
 458         for (Entry<Integer, Boolean> iterator : booleanMap.entrySet()) {
 459             if (iterator.getValue() != null && iterator.getValue().booleanValue()) {
 460                 bitmask |= 1 << iterator.getKey();
 461             }
 462         }
 463         return bitmask;
 464     }
 465
 466     private Ipv4Prefix toIpv4Prefix(MatchEntries entry) {
 467         String ipv4Prefix = entry.getAugmentation(Ipv4AddressMatchEntry.class).getIpv4Address().toString();
 468         if (entry.isHasMask()) {
 469             byte[] mask = entry.getAugmentation(MaskMatchEntry.class).getMask();
 470             ipv4Prefix = ipv4Prefix + PREFIX_SEPARATOR + countBits(mask);
 471         }
 472         return new Ipv4Prefix(ipv4Prefix);
 473     }
 474
 475     private Ipv6Prefix toIpv6Prefix(MatchEntries entry) {
 476         String ipv6Prefix = entry.getAugmentation(Ipv6AddressMatchEntry.class).getIpv6Address().toString();
 477         if (entry.isHasMask()) {
 478             byte[] mask = entry.getAugmentation(MaskMatchEntry.class).getMask();
 479             ipv6Prefix = ipv6Prefix + PREFIX_SEPARATOR + countBits(mask);
 480         }
 481         return new Ipv6Prefix(ipv6Prefix);
 482     }
 483
 484     private int toInt(byte b) {
 485         return b < 0 ? b + 256 : b;
 486     }
 487
 488     private int countBits(byte[] mask) {
 489         int netmask = 0;
 490         for (byte b : mask) {
 491             netmask += Integer.bitCount(toInt(b));
 492         }
 493         return netmask;
 494     }
 495 }