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.sal.convertor.match.MatchConvertorImpl;
  14 import org.opendaylight.openflowplugin.openflow.md.core.session.SessionContext;
  15 import org.opendaylight.openflowplugin.openflow.md.util.InventoryDataServiceUtil;
  16 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Prefix;
  17 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv6Prefix;
  18 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.PortNumber;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.SwitchFlowRemovedBuilder;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.RemovedReasonFlags;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.mod.removed.Match;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.mod.removed.MatchBuilder;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.l2.types.rev130827.EtherType;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.l2.types.rev130827.VlanId;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.arp.match.fields.ArpSourceHardwareAddressBuilder;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.arp.match.fields.ArpTargetHardwareAddressBuilder;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.ethernet.match.fields.EthernetDestinationBuilder;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.ethernet.match.fields.EthernetSourceBuilder;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.ethernet.match.fields.EthernetTypeBuilder;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.ipv6.match.fields.Ipv6ExtHeaderBuilder;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.ipv6.match.fields.Ipv6LabelBuilder;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.EthernetMatchBuilder;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.Icmpv4MatchBuilder;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.Icmpv6MatchBuilder;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.IpMatchBuilder;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.MetadataBuilder;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.ProtocolMatchFieldsBuilder;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.TunnelBuilder;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.VlanMatchBuilder;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._3.match.ArpMatchBuilder;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._3.match.Ipv4MatchBuilder;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._3.match.Ipv6MatchBuilder;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._4.match.SctpMatchBuilder;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._4.match.TcpMatchBuilder;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._4.match.UdpMatchBuilder;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.protocol.match.fields.PbbBuilder;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.vlan.match.fields.VlanIdBuilder;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.BosMatchEntry;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.DscpMatchEntry;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.EcnMatchEntry;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.EthTypeMatchEntry;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Icmpv4CodeMatchEntry;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Icmpv4TypeMatchEntry;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Icmpv6CodeMatchEntry;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Icmpv6TypeMatchEntry;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Ipv4AddressMatchEntry;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Ipv6AddressMatchEntry;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Ipv6FlabelMatchEntry;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.IsidMatchEntry;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MacAddressMatchEntry;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MaskMatchEntry;
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MetadataMatchEntry;
  64 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MplsLabelMatchEntry;
  65 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.OpCodeMatchEntry;
  66 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.PortMatchEntry;
  67 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.PortNumberMatchEntry;
  68 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.ProtocolNumberMatchEntry;
  69 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.PseudoFieldMatchEntry;
  70 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.TcMatchEntry;
  71 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.VlanPcpMatchEntry;
  72 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.VlanVidMatchEntry;
  73 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.FlowRemovedReason;
  74 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.Ipv6ExthdrFlags;
  75 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.ArpOp;
  76 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.ArpSha;
  77 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.ArpSpa;
  78 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.ArpTha;
  79 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.ArpTpa;
  80 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.EthDst;
  81 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.EthSrc;
  82 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.EthType;
  83 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Icmpv4Code;
  84 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Icmpv4Type;
  85 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Icmpv6Code;
  86 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Icmpv6Type;
  87 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.InPhyPort;
  88 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.InPort;
  89 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.IpDscp;
  90 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.IpEcn;
  91 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.IpProto;
  92 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv4Dst;
  93 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv4Src;
  94 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv6Dst;
  95 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv6Exthdr;
  96 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv6Flabel;
  97 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv6NdSll;
  98 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv6NdTarget;
  99 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv6NdTll;
 100 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv6Src;
 101 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.MatchField;
 102 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Metadata;
 103 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.MplsBos;
 104 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.MplsLabel;
 105 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.MplsTc;
 106 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.PbbIsid;
 107 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.SctpDst;
 108 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.SctpSrc;
 109 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.TcpDst;
 110 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.TcpSrc;
 111 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.TunnelId;
 112 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.UdpDst;
 113 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.UdpSrc;
 114 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.VlanPcp;
 115 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.VlanVid;
 116 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.oxm.fields.MatchEntries;
 117 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.FlowRemovedMessage;
 118 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.OfHeader;
 119 import org.opendaylight.yangtools.yang.binding.DataObject;
 120 import org.slf4j.Logger;
 121 import org.slf4j.LoggerFactory;
 122
 123 public class FlowRemovedTranslator implements IMDMessageTranslator<OfHeader, List<DataObject>> {
 124
 125     protected static final Logger LOG = LoggerFactory.getLogger(FlowRemovedTranslator.class);
 126     private static final String PREFIX_SEPARATOR = "/";
 127
 128     @Override
 129     public List<DataObject> translate(SwitchConnectionDistinguisher cookie, SessionContext sc, OfHeader msg) {
 130         if (msg instanceof FlowRemovedMessage) {
 131             FlowRemovedMessage ofFlow = (FlowRemovedMessage) msg;
 132             List<DataObject> list = new CopyOnWriteArrayList<DataObject>();
 133             LOG.debug("Flow Removed Message received: Table Id={}, Flow removed reason={} ", ofFlow.getTableId(),
 134                     ofFlow.getReason());
 135
 136             SwitchFlowRemovedBuilder salFlowRemoved = new SwitchFlowRemovedBuilder();
 137
 138             salFlowRemoved.setCookie(ofFlow.getCookie());
 139             salFlowRemoved.setPriority(ofFlow.getPriority());
 140
 141             if (ofFlow.getTableId() != null) {
 142                 salFlowRemoved.setTableId(ofFlow.getTableId().getValue().shortValue());
 143             }
 144
 145             salFlowRemoved.setDurationSec(ofFlow.getDurationSec());
 146             salFlowRemoved.setDurationNsec(ofFlow.getDurationNsec());
 147             salFlowRemoved.setIdleTimeout(ofFlow.getIdleTimeout());
 148             salFlowRemoved.setHardTimeout(ofFlow.getHardTimeout());
 149             salFlowRemoved.setPacketCount(ofFlow.getPacketCount());
 150             salFlowRemoved.setByteCount(ofFlow.getByteCount());
 151             RemovedReasonFlags removeReasonFlag = new RemovedReasonFlags(
 152                     FlowRemovedReason.OFPRRDELETE.equals(ofFlow.getReason()),
 153                     FlowRemovedReason.OFPRRGROUPDELETE.equals(ofFlow.getReason()),
 154                     FlowRemovedReason.OFPRRHARDTIMEOUT.equals(ofFlow.getReason()),
 155                     FlowRemovedReason.OFPRRIDLETIMEOUT.equals(ofFlow.getReason())
 156                     );
 157
 158             salFlowRemoved.setRemovedReason(removeReasonFlag);
 159
 160             org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.match.grouping.Match ofMatch = ofFlow
 161                     .getMatch();
 162             if (ofMatch != null) {
 163                 salFlowRemoved.setMatch(fromMatch(ofMatch));
 164             }
 165             else if(ofFlow.getMatchV10() != null){
 166                 MatchBuilder matchBuilder = new MatchBuilder(MatchConvertorImpl.fromOFMatchV10ToSALMatch(ofFlow.getMatchV10()));
 167                 salFlowRemoved.setMatch(matchBuilder.build());
 168             }
 169             salFlowRemoved.setNode(new NodeRef(InventoryDataServiceUtil.identifierFromDatapathId(sc.getFeatures()
 170                     .getDatapathId())));
 171             list.add(salFlowRemoved.build());
 172             return list;
 173         } else {
 174             LOG.error("Message is not a flow removed message ");
 175             return Collections.emptyList();
 176         }
 177     }
 178
 179
 180     public Match fromMatch(
 181             org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.match.grouping.Match ofMatch) {
 182         MatchBuilder matchBuilder = new MatchBuilder();
 183         EthernetMatchBuilder ethernetMatch = null;
 184         VlanMatchBuilder vlanMatch = null;
 185         IpMatchBuilder ipMatch = null;
 186         TcpMatchBuilder tcpMatch = null;
 187         UdpMatchBuilder udpMatch = null;
 188         SctpMatchBuilder sctpMatch = null;
 189         Icmpv4MatchBuilder icmpv4Match = null;
 190         Icmpv6MatchBuilder icmpv6Match = null;
 191         Ipv4MatchBuilder ipv4Match = null;
 192         ArpMatchBuilder arpMatch = null;
 193         Ipv6MatchBuilder ipv6Match = null;
 194         ProtocolMatchFieldsBuilder protocolMatchFields = null;
 195
 196         for (MatchEntries entry : ofMatch.getMatchEntries()) {
 197             Class<? extends MatchField> field = entry.getOxmMatchField();
 198             if (field.equals(InPort.class)) {
 199                 matchBuilder.setInPort(entry.getAugmentation(PortNumberMatchEntry.class).getPortNumber().getValue()
 200                         .longValue());
 201             } else if (field.equals(InPhyPort.class)) {
 202                 matchBuilder.setInPhyPort(entry.getAugmentation(PortNumberMatchEntry.class).getPortNumber().getValue()
 203                         .longValue());
 204             } else if (field.equals(Metadata.class)) {
 205                 MetadataBuilder metadata = new MetadataBuilder();
 206                 metadata.setMetadata(new BigInteger(entry.getAugmentation(MetadataMatchEntry.class).getMetadata()));
 207                 if (entry.isHasMask()) {
 208                     metadata.setMetadataMask(entry.getAugmentation(MaskMatchEntry.class).getMask());
 209                 }
 210                 matchBuilder.setMetadata(metadata.build());
 211             } else if (field.equals(EthDst.class) || field.equals(EthSrc.class) || field.equals(EthType.class)) {
 212                 if (ethernetMatch == null) {
 213                     ethernetMatch = new EthernetMatchBuilder();
 214                 }
 215                 if (field.equals(EthDst.class)) {
 216                     EthernetDestinationBuilder ethDst = new EthernetDestinationBuilder();
 217                     ethDst.setAddress(entry.getAugmentation(MacAddressMatchEntry.class).getMacAddress());
 218                     if (entry.isHasMask()) {
 219                         ethDst.setMask(entry.getAugmentation(MaskMatchEntry.class).getMask());
 220                     }
 221                     ethernetMatch.setEthernetDestination(ethDst.build());
 222                 } else if (field.equals(EthSrc.class)) {
 223                     EthernetSourceBuilder ethSrc = new EthernetSourceBuilder();
 224                     ethSrc.setAddress(entry.getAugmentation(MacAddressMatchEntry.class).getMacAddress());
 225                     if (entry.isHasMask()) {
 226                         ethSrc.setMask(entry.getAugmentation(MaskMatchEntry.class).getMask());
 227                     }
 228                     ethernetMatch.setEthernetSource(ethSrc.build());
 229                 } else if (field.equals(EthType.class)) {
 230                     EthernetTypeBuilder ethType = new EthernetTypeBuilder();
 231                     ethType.setType(new EtherType(entry.getAugmentation(EthTypeMatchEntry.class).getEthType()
 232                             .getValue().longValue()));
 233                     ethernetMatch.setEthernetType(ethType.build());
 234                 }
 235             } else if (field.equals(VlanVid.class) || field.equals(VlanPcp.class)) {
 236                 if (vlanMatch == null) {
 237                     vlanMatch = new VlanMatchBuilder();
 238                 }
 239                 if (field.equals(VlanVid.class)) {
 240                     boolean vlanIdPresent = false;
 241                     VlanIdBuilder vlanId = new VlanIdBuilder();
 242                     VlanVidMatchEntry vlanVid = entry.getAugmentation(VlanVidMatchEntry.class);
 243                     Integer vlanVidValue = vlanVid.getVlanVid();
 244                     if (vlanVid.isCfiBit()) {
 245                         vlanIdPresent = true;
 246                     }
 247                     vlanId.setVlanIdPresent(vlanIdPresent);
 248                     if (vlanVidValue != null) {
 249                         vlanId.setVlanId(new VlanId(vlanVidValue));
 250                     }
 251                     vlanMatch.setVlanId(vlanId.build());
 252                 } else if (field.equals(VlanPcp.class)) {
 253                     vlanMatch.setVlanPcp(new org.opendaylight.yang.gen.v1.urn.opendaylight.l2.types.rev130827.VlanPcp(
 254                             entry.getAugmentation(VlanPcpMatchEntry.class).getVlanPcp().shortValue()));
 255                 }
 256             } else if (field.equals(IpDscp.class) || field.equals(IpEcn.class) || field.equals(IpProto.class)) {
 257                 if (ipMatch == null) {
 258                     ipMatch = new IpMatchBuilder();
 259                 }
 260                 if (field.equals(IpDscp.class)) {
 261                     ipMatch.setIpDscp(new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Dscp(
 262                             entry.getAugmentation(DscpMatchEntry.class).getDscp().getValue()));
 263                 } else if (field.equals(IpEcn.class)) {
 264                     ipMatch.setIpEcn(entry.getAugmentation(EcnMatchEntry.class).getEcn());
 265                 } else if (field.equals(IpProto.class)) {
 266                     ipMatch.setIpProtocol(entry.getAugmentation(ProtocolNumberMatchEntry.class).getProtocolNumber());
 267                 }
 268             } else if (field.equals(TcpSrc.class) || field.equals(TcpDst.class)) {
 269                 if (tcpMatch == null) {
 270                     tcpMatch = new TcpMatchBuilder();
 271                 }
 272                 if (field.equals(TcpSrc.class)) {
 273                     tcpMatch.setTcpSourcePort(new PortNumber(entry.getAugmentation(PortMatchEntry.class).getPort()
 274                             .getValue()));
 275                 } else if (field.equals(TcpDst.class)) {
 276                     tcpMatch.setTcpDestinationPort(new PortNumber(entry.getAugmentation(PortMatchEntry.class).getPort()
 277                             .getValue()));
 278                 }
 279             } else if (field.equals(UdpSrc.class) || field.equals(UdpDst.class)) {
 280                 if (udpMatch == null) {
 281                     udpMatch = new UdpMatchBuilder();
 282                 }
 283                 if (field.equals(UdpSrc.class)) {
 284                     udpMatch.setUdpSourcePort(new PortNumber(entry.getAugmentation(PortMatchEntry.class).getPort()
 285                             .getValue()));
 286                 } else if (field.equals(UdpDst.class)) {
 287                     udpMatch.setUdpDestinationPort(new PortNumber(entry.getAugmentation(PortMatchEntry.class).getPort()
 288                             .getValue()));
 289                 }
 290             } else if (field.equals(SctpSrc.class) || field.equals(SctpDst.class)) {
 291                 if (sctpMatch == null) {
 292                     sctpMatch = new SctpMatchBuilder();
 293                 }
 294                 if (field.equals(SctpSrc.class)) {
 295                     sctpMatch.setSctpSourcePort(new PortNumber(entry.getAugmentation(PortMatchEntry.class).getPort()
 296                             .getValue()));
 297                 } else if (field.equals(SctpDst.class)) {
 298                     sctpMatch.setSctpDestinationPort(new PortNumber(entry.getAugmentation(PortMatchEntry.class)
 299                             .getPort().getValue()));
 300                 }
 301             } else if (field.equals(Icmpv4Type.class) || field.equals(Icmpv4Code.class)) {
 302                 if (icmpv4Match == null) {
 303                     icmpv4Match = new Icmpv4MatchBuilder();
 304                 }
 305                 if (field.equals(Icmpv4Type.class)) {
 306                     icmpv4Match.setIcmpv4Type(entry.getAugmentation(Icmpv4TypeMatchEntry.class).getIcmpv4Type());
 307                 } else if (field.equals(Icmpv4Code.class)) {
 308                     icmpv4Match.setIcmpv4Code(entry.getAugmentation(Icmpv4CodeMatchEntry.class).getIcmpv4Code());
 309                 }
 310             } else if (field.equals(Icmpv6Type.class) || field.equals(Icmpv6Code.class)) {
 311                 if (icmpv6Match == null) {
 312                     icmpv6Match = new Icmpv6MatchBuilder();
 313                 }
 314                 if (field.equals(Icmpv6Type.class)) {
 315                     icmpv6Match.setIcmpv6Type(entry.getAugmentation(Icmpv6TypeMatchEntry.class).getIcmpv6Type());
 316                 } else if (field.equals(Icmpv6Code.class)) {
 317                     icmpv6Match.setIcmpv6Code(entry.getAugmentation(Icmpv6CodeMatchEntry.class).getIcmpv6Code());
 318                 }
 319             } else if (field.equals(Ipv4Src.class) || field.equals(Ipv4Dst.class)) {
 320                 if (ipv4Match == null) {
 321                     ipv4Match = new Ipv4MatchBuilder();
 322                 }
 323                 if (field.equals(Ipv4Src.class)) {
 324                     ipv4Match.setIpv4Source(toIpv4Prefix(entry));
 325                 } else if (field.equals(Ipv4Dst.class)) {
 326                     ipv4Match.setIpv4Destination(toIpv4Prefix(entry));
 327                 }
 328             } else if (field.equals(ArpOp.class) || field.equals(ArpSpa.class) || field.equals(ArpTpa.class)
 329                     || field.equals(ArpSha.class) || field.equals(ArpTha.class)) {
 330                 if (arpMatch == null) {
 331                     arpMatch = new ArpMatchBuilder();
 332                 }
 333                 if (field.equals(ArpOp.class)) {
 334                     arpMatch.setArpOp(entry.getAugmentation(OpCodeMatchEntry.class).getOpCode());
 335                 } else if (field.equals(ArpSpa.class)) {
 336                     arpMatch.setArpSourceTransportAddress(toIpv4Prefix(entry));
 337                 } else if (field.equals(ArpTpa.class)) {
 338                     arpMatch.setArpTargetTransportAddress(toIpv4Prefix(entry));
 339                 } else if (field.equals(ArpSha.class)) {
 340                     ArpSourceHardwareAddressBuilder arpSha = new ArpSourceHardwareAddressBuilder();
 341                     arpSha.setAddress(entry.getAugmentation(MacAddressMatchEntry.class).getMacAddress());
 342                     if (entry.isHasMask()) {
 343                         arpSha.setMask(entry.getAugmentation(MaskMatchEntry.class).getMask());
 344                     }
 345                     arpMatch.setArpSourceHardwareAddress(arpSha.build());
 346                 } else if (field.equals(ArpTha.class)) {
 347                     ArpTargetHardwareAddressBuilder arpTha = new ArpTargetHardwareAddressBuilder();
 348                     arpTha.setAddress(entry.getAugmentation(MacAddressMatchEntry.class).getMacAddress());
 349                     if (entry.isHasMask()) {
 350                         arpTha.setMask(entry.getAugmentation(MaskMatchEntry.class).getMask());
 351                     }
 352                     arpMatch.setArpTargetHardwareAddress(arpTha.build());
 353                 }
 354             } else if (field.equals(Ipv6Src.class) || field.equals(Ipv6Dst.class) || field.equals(Ipv6Flabel.class)
 355                     || field.equals(Ipv6NdTarget.class) || field.equals(Ipv6NdSll.class)
 356                     || field.equals(Ipv6NdTll.class) || field.equals(Ipv6Exthdr.class)) {
 357                 if (ipv6Match == null) {
 358                     ipv6Match = new Ipv6MatchBuilder();
 359                 }
 360                 if (field.equals(Ipv6Src.class)) {
 361                     ipv6Match.setIpv6Source(toIpv6Prefix(entry));
 362                 } else if (field.equals(Ipv6Dst.class)) {
 363                     ipv6Match.setIpv6Destination(toIpv6Prefix(entry));
 364                 } else if (field.equals(Ipv6Flabel.class)) {
 365                     Ipv6LabelBuilder ipv6Label = new Ipv6LabelBuilder();
 366                     ipv6Label.setIpv6Flabel(entry.getAugmentation(Ipv6FlabelMatchEntry.class).getIpv6Flabel());
 367                     if (entry.isHasMask()) {
 368                         ipv6Label.setFlabelMask(entry.getAugmentation(MaskMatchEntry.class).getMask());
 369                     }
 370                     ipv6Match.setIpv6Label(ipv6Label.build());
 371                 } else if (field.equals(Ipv6NdTarget.class)) {
 372                     ipv6Match.setIpv6NdTarget(entry.getAugmentation(Ipv6AddressMatchEntry.class).getIpv6Address());
 373                 } else if (field.equals(Ipv6NdSll.class)) {
 374                     ipv6Match.setIpv6NdSll(entry.getAugmentation(MacAddressMatchEntry.class).getMacAddress());
 375                 } else if (field.equals(Ipv6NdTll.class)) {
 376                     ipv6Match.setIpv6NdTll(entry.getAugmentation(MacAddressMatchEntry.class).getMacAddress());
 377                 } else if (field.equals(Ipv6Exthdr.class)) {
 378                     // verify
 379                     Ipv6ExtHeaderBuilder ipv6ExtHeaderBuilder = new Ipv6ExtHeaderBuilder();
 380                     Ipv6ExthdrFlags pseudoField = entry.getAugmentation(PseudoFieldMatchEntry.class).getPseudoField();
 381                     Map<Integer, Boolean> map = new HashMap<>();
 382                     map.put(0, pseudoField.isNonext());
 383                     map.put(1, pseudoField.isEsp());
 384                     map.put(2, pseudoField.isAuth());
 385                     map.put(3, pseudoField.isDest());
 386                     map.put(4, pseudoField.isFrag());
 387                     map.put(5, pseudoField.isRouter());
 388                     map.put(6, pseudoField.isHop());
 389                     map.put(7, pseudoField.isUnrep());
 390                     map.put(8, pseudoField.isUnseq());
 391                     int bitmap = fillBitMaskFromMap(map);
 392                     ipv6ExtHeaderBuilder.setIpv6Exthdr(bitmap);
 393                     if (entry.isHasMask()) {
 394                         ipv6ExtHeaderBuilder.setIpv6ExthdrMask(entry.getAugmentation(MaskMatchEntry.class).getMask());
 395                     }
 396                     ipv6Match.setIpv6ExtHeader(ipv6ExtHeaderBuilder.build());
 397                 }
 398             } else if (field.equals(MplsLabel.class) || field.equals(MplsTc.class) || field.equals(MplsBos.class)
 399                     || field.equals(PbbIsid.class)) {
 400                 if (protocolMatchFields == null) {
 401                     protocolMatchFields = new ProtocolMatchFieldsBuilder();
 402                 }
 403                 if (field.equals(MplsLabel.class)) {
 404                     protocolMatchFields.setMplsLabel(entry.getAugmentation(MplsLabelMatchEntry.class).getMplsLabel());
 405                 } else if (field.equals(MplsTc.class)) {
 406                     protocolMatchFields.setMplsTc(entry.getAugmentation(TcMatchEntry.class).getTc());
 407                 } else if (field.equals(MplsBos.class)) {
 408                     protocolMatchFields
 409                             .setMplsBos((short) (entry.getAugmentation(BosMatchEntry.class).isBos() ? 1 : 0));
 410                 } else if (field.equals(PbbIsid.class)) {
 411                     PbbBuilder pbb = new PbbBuilder();
 412                     pbb.setPbbIsid(entry.getAugmentation(IsidMatchEntry.class).getIsid());
 413                     if (entry.isHasMask()) {
 414                         pbb.setPbbMask(entry.getAugmentation(MaskMatchEntry.class).getMask());
 415                     }
 416                     protocolMatchFields.setPbb(pbb.build());
 417                 }
 418             } else if (field.equals(TunnelId.class)) {
 419                 TunnelBuilder tunnel = new TunnelBuilder();
 420                 tunnel.setTunnelId(new BigInteger(entry.getAugmentation(MetadataMatchEntry.class).getMetadata()));
 421                 if (entry.isHasMask()) {
 422                     tunnel.setTunnelMask(entry.getAugmentation(MaskMatchEntry.class).getMask());
 423                 }
 424                 matchBuilder.setTunnel(tunnel.build());
 425             }
 426         }
 427
 428         if (ethernetMatch != null) {
 429             matchBuilder.setEthernetMatch(ethernetMatch.build());
 430         }
 431         if (vlanMatch != null) {
 432             matchBuilder.setVlanMatch(vlanMatch.build());
 433         }
 434         if (ipMatch != null) {
 435             matchBuilder.setIpMatch(ipMatch.build());
 436         }
 437
 438         if (tcpMatch != null) {
 439             matchBuilder.setLayer4Match(tcpMatch.build());
 440         } else if (udpMatch != null) {
 441             matchBuilder.setLayer4Match(udpMatch.build());
 442         } else if (sctpMatch != null) {
 443             matchBuilder.setLayer4Match(sctpMatch.build());
 444         }
 445
 446         if (icmpv4Match != null) {
 447             matchBuilder.setIcmpv4Match(icmpv4Match.build());
 448         } else if (icmpv6Match != null) {
 449             matchBuilder.setIcmpv6Match(icmpv6Match.build());
 450         }
 451
 452         if (ipv4Match != null) {
 453             matchBuilder.setLayer3Match(ipv4Match.build());
 454         } else if (arpMatch != null) {
 455             matchBuilder.setLayer3Match(arpMatch.build());
 456         } else if (ipv6Match != null) {
 457             matchBuilder.setLayer3Match(ipv6Match.build());
 458         }
 459         if (protocolMatchFields != null) {
 460             matchBuilder.setProtocolMatchFields(protocolMatchFields.build());
 461         }
 462         return matchBuilder.build();
 463     }
 464
 465     /**
 466      * Fills the bitmask from boolean map where key is bit position
 467      *
 468      * @param booleanMap
 469      *            bit to boolean mapping
 470      * @return bit mask
 471      */
 472     private int fillBitMaskFromMap(Map<Integer, Boolean> booleanMap) {
 473         int bitmask = 0;
 474
 475         for (Entry<Integer, Boolean> iterator : booleanMap.entrySet()) {
 476             if (iterator.getValue() != null && iterator.getValue().booleanValue()) {
 477                 bitmask |= 1 << iterator.getKey();
 478             }
 479         }
 480         return bitmask;
 481     }
 482
 483     private Ipv4Prefix toIpv4Prefix(MatchEntries entry) {
 484         String ipv4Prefix = entry.getAugmentation(Ipv4AddressMatchEntry.class).getIpv4Address().toString();
 485         if (entry.isHasMask()) {
 486             byte[] mask = entry.getAugmentation(MaskMatchEntry.class).getMask();
 487             ipv4Prefix = ipv4Prefix + PREFIX_SEPARATOR + countBits(mask);
 488         }
 489         return new Ipv4Prefix(ipv4Prefix);
 490     }
 491
 492     private Ipv6Prefix toIpv6Prefix(MatchEntries entry) {
 493         String ipv6Prefix = entry.getAugmentation(Ipv6AddressMatchEntry.class).getIpv6Address().toString();
 494         if (entry.isHasMask()) {
 495             byte[] mask = entry.getAugmentation(MaskMatchEntry.class).getMask();
 496             ipv6Prefix = ipv6Prefix + PREFIX_SEPARATOR + countBits(mask);
 497         }
 498         return new Ipv6Prefix(ipv6Prefix);
 499     }
 500
 501     private int toInt(byte b) {
 502         return b < 0 ? b + 256 : b;
 503     }
 504
 505     private int countBits(byte[] mask) {
 506         int netmask = 0;
 507         for (byte b : mask) {
 508             netmask += Integer.bitCount(toInt(b));
 509         }
 510         return netmask;
 511     }
 512 }