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

   1 /**
   2  * Copyright (c) 2014 Ericsson India Global Services Pvt Ltd. 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  * Contributor: deepthi.v.v@ericsson.com
   9  */
  10 package org.opendaylight.openflowplugin.openflow.md.core.translator;
  11
  12 import java.math.BigInteger;
  13 import java.util.Collections;
  14 import java.util.HashMap;
  15 import java.util.List;
  16 import java.util.Map;
  17 import java.util.concurrent.CopyOnWriteArrayList;
  18 import org.opendaylight.openflowjava.util.ByteBufUtils;
  19 import org.opendaylight.openflowplugin.api.OFConstants;
  20 import org.opendaylight.openflowplugin.api.openflow.md.core.IMDMessageTranslator;
  21 import org.opendaylight.openflowplugin.api.openflow.md.core.SwitchConnectionDistinguisher;
  22 import org.opendaylight.openflowplugin.api.openflow.md.core.session.SessionContext;
  23 import org.opendaylight.openflowplugin.api.openflow.md.util.OpenflowVersion;
  24 import org.opendaylight.openflowplugin.extension.api.AugmentTuple;
  25 import org.opendaylight.openflowplugin.extension.api.path.MatchPath;
  26 import org.opendaylight.openflowplugin.openflow.md.core.extension.MatchExtensionHelper;
  27 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.match.MatchConvertorImpl;
  28 import org.opendaylight.openflowplugin.openflow.md.util.ByteUtil;
  29 import org.opendaylight.openflowplugin.openflow.md.util.InventoryDataServiceUtil;
  30 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Prefix;
  31 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv6FlowLabel;
  32 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv6Prefix;
  33 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.PortNumber;
  34 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev100924.MacAddress;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.SwitchFlowRemovedBuilder;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.FlowCookie;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.RemovedReasonFlags;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.mod.removed.Match;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.mod.removed.MatchBuilder;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.l2.types.rev130827.EtherType;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.l2.types.rev130827.VlanId;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.arp.match.fields.ArpSourceHardwareAddressBuilder;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.arp.match.fields.ArpTargetHardwareAddressBuilder;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.ethernet.match.fields.EthernetDestinationBuilder;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.ethernet.match.fields.EthernetSourceBuilder;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.ethernet.match.fields.EthernetTypeBuilder;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.ipv6.match.fields.Ipv6ExtHeaderBuilder;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.ipv6.match.fields.Ipv6LabelBuilder;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.EthernetMatchBuilder;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.Icmpv4MatchBuilder;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.Icmpv6MatchBuilder;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.IpMatchBuilder;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.MetadataBuilder;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.ProtocolMatchFieldsBuilder;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.TunnelBuilder;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.VlanMatchBuilder;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._3.match.ArpMatchBuilder;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._3.match.Ipv4MatchBuilder;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._3.match.Ipv6MatchBuilder;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._4.match.SctpMatchBuilder;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._4.match.TcpMatchBuilder;
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._4.match.UdpMatchBuilder;
  64 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.protocol.match.fields.PbbBuilder;
  65 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.vlan.match.fields.VlanIdBuilder;
  66 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.BosMatchEntry;
  67 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.DscpMatchEntry;
  68 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.EcnMatchEntry;
  69 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.EthTypeMatchEntry;
  70 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Icmpv4CodeMatchEntry;
  71 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Icmpv4TypeMatchEntry;
  72 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Icmpv6CodeMatchEntry;
  73 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Icmpv6TypeMatchEntry;
  74 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Ipv4AddressMatchEntry;
  75 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Ipv6AddressMatchEntry;
  76 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Ipv6FlabelMatchEntry;
  77 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.IsidMatchEntry;
  78 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MacAddressMatchEntry;
  79 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MaskMatchEntry;
  80 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MetadataMatchEntry;
  81 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MplsLabelMatchEntry;
  82 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.OpCodeMatchEntry;
  83 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.PortMatchEntry;
  84 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.PortNumberMatchEntry;
  85 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.ProtocolNumberMatchEntry;
  86 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.PseudoFieldMatchEntry;
  87 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.TcMatchEntry;
  88 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.VlanPcpMatchEntry;
  89 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.VlanVidMatchEntry;
  90 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.FlowRemovedReason;
  91 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.Ipv6ExthdrFlags;
  92 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.ArpOp;
  93 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.ArpSha;
  94 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.ArpSpa;
  95 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.ArpTha;
  96 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.ArpTpa;
  97 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.EthDst;
  98 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.EthSrc;
  99 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.EthType;
 100 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Icmpv4Code;
 101 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Icmpv4Type;
 102 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Icmpv6Code;
 103 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Icmpv6Type;
 104 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.InPhyPort;
 105 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.InPort;
 106 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.IpDscp;
 107 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.IpEcn;
 108 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.IpProto;
 109 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv4Dst;
 110 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv4Src;
 111 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv6Dst;
 112 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv6Exthdr;
 113 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv6Flabel;
 114 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv6NdSll;
 115 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv6NdTarget;
 116 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv6NdTll;
 117 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv6Src;
 118 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.MatchField;
 119 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Metadata;
 120 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.MplsBos;
 121 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.MplsLabel;
 122 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.MplsTc;
 123 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.PbbIsid;
 124 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.SctpDst;
 125 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.SctpSrc;
 126 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.TcpDst;
 127 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.TcpSrc;
 128 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.TunnelId;
 129 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.TunnelIpv4Dst;
 130 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.TunnelIpv4Src;
 131 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.UdpDst;
 132 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.UdpSrc;
 133 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.VlanPcp;
 134 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.VlanVid;
 135 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.oxm.fields.grouping.MatchEntries;
 136 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.FlowRemovedMessage;
 137 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.OfHeader;
 138 import org.opendaylight.yangtools.yang.binding.DataObject;
 139 import org.slf4j.Logger;
 140 import org.slf4j.LoggerFactory;
 141
 142 public class FlowRemovedTranslator implements IMDMessageTranslator<OfHeader, List<DataObject>> {
 143
 144     protected static final Logger LOG = LoggerFactory.getLogger(FlowRemovedTranslator.class);
 145     private static final String PREFIX_SEPARATOR = "/";
 146
 147     @Override
 148     public List<DataObject> translate(SwitchConnectionDistinguisher cookie, SessionContext sc, OfHeader msg) {
 149         if (msg instanceof FlowRemovedMessage) {
 150             FlowRemovedMessage ofFlow = (FlowRemovedMessage) msg;
 151             List<DataObject> list = new CopyOnWriteArrayList<DataObject>();
 152             LOG.debug("Flow Removed Message received: Table Id={}, Flow removed reason={} ", ofFlow.getTableId(),
 153                     ofFlow.getReason());
 154
 155             SwitchFlowRemovedBuilder salFlowRemoved = new SwitchFlowRemovedBuilder();
 156
 157             if (ofFlow.getCookie() != null) {
 158                 salFlowRemoved.setCookie(new FlowCookie(ofFlow.getCookie()));
 159             }
 160             salFlowRemoved.setPriority(ofFlow.getPriority());
 161
 162             if (ofFlow.getTableId() != null) {
 163                 salFlowRemoved.setTableId(ofFlow.getTableId().getValue().shortValue());
 164             }
 165
 166             salFlowRemoved.setDurationSec(ofFlow.getDurationSec());
 167             salFlowRemoved.setDurationNsec(ofFlow.getDurationNsec());
 168             salFlowRemoved.setIdleTimeout(ofFlow.getIdleTimeout());
 169             salFlowRemoved.setHardTimeout(ofFlow.getHardTimeout());
 170             salFlowRemoved.setPacketCount(ofFlow.getPacketCount());
 171             salFlowRemoved.setByteCount(ofFlow.getByteCount());
 172             RemovedReasonFlags removeReasonFlag = new RemovedReasonFlags(
 173                     FlowRemovedReason.OFPRRDELETE.equals(ofFlow.getReason()),
 174                     FlowRemovedReason.OFPRRGROUPDELETE.equals(ofFlow.getReason()),
 175                     FlowRemovedReason.OFPRRHARDTIMEOUT.equals(ofFlow.getReason()),
 176                     FlowRemovedReason.OFPRRIDLETIMEOUT.equals(ofFlow.getReason())
 177             );
 178
 179             salFlowRemoved.setRemovedReason(removeReasonFlag);
 180
 181             OpenflowVersion ofVersion = OpenflowVersion.get(sc.getPrimaryConductor().getVersion());
 182             org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.match.grouping.Match ofMatch = ofFlow
 183                     .getMatch();
 184             if (ofMatch != null) {
 185                 salFlowRemoved.setMatch(fromMatch(ofMatch, sc.getFeatures().getDatapathId(), ofVersion));
 186             } else if (ofFlow.getMatchV10() != null) {
 187                 MatchBuilder matchBuilder = new MatchBuilder(MatchConvertorImpl.fromOFMatchV10ToSALMatch(ofFlow.getMatchV10(), sc.getFeatures().getDatapathId(), ofVersion));
 188                 salFlowRemoved.setMatch(matchBuilder.build());
 189             }
 190             salFlowRemoved.setNode(new NodeRef(InventoryDataServiceUtil.identifierFromDatapathId(sc.getFeatures()
 191                     .getDatapathId())));
 192             list.add(salFlowRemoved.build());
 193             return list;
 194         } else {
 195             LOG.error("Message is not a flow removed message ");
 196             return Collections.emptyList();
 197         }
 198     }
 199
 200
 201     public Match fromMatch(org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.match.grouping.Match ofMatch,
 202                            BigInteger datapathid, OpenflowVersion ofVersion) {
 203         MatchBuilder matchBuilder = new MatchBuilder();
 204         EthernetMatchBuilder ethernetMatch = null;
 205         VlanMatchBuilder vlanMatch = null;
 206         IpMatchBuilder ipMatch = null;
 207         TcpMatchBuilder tcpMatch = null;
 208         UdpMatchBuilder udpMatch = null;
 209         SctpMatchBuilder sctpMatch = null;
 210         Icmpv4MatchBuilder icmpv4Match = null;
 211         Icmpv6MatchBuilder icmpv6Match = null;
 212         Ipv4MatchBuilder ipv4Match = null;
 213         ArpMatchBuilder arpMatch = null;
 214         Ipv6MatchBuilder ipv6Match = null;
 215         ProtocolMatchFieldsBuilder protocolMatchFields = null;
 216
 217         for (MatchEntries entry : ofMatch.getMatchEntries()) {
 218             Class<? extends MatchField> field = entry.getOxmMatchField();
 219             if (field.equals(InPort.class)) {
 220                 matchBuilder.setInPort(InventoryDataServiceUtil.nodeConnectorIdfromDatapathPortNo(datapathid,
 221                         entry.getAugmentation(PortNumberMatchEntry.class).getPortNumber().getValue().longValue(), ofVersion));
 222             } else if (field.equals(InPhyPort.class)) {
 223                 matchBuilder.setInPhyPort(InventoryDataServiceUtil.nodeConnectorIdfromDatapathPortNo(datapathid,
 224                         entry.getAugmentation(PortNumberMatchEntry.class).getPortNumber().getValue().longValue(), ofVersion));
 225             } else if (field.equals(Metadata.class)) {
 226                 MetadataBuilder metadata = new MetadataBuilder();
 227                 metadata.setMetadata(new BigInteger(1, entry.getAugmentation(MetadataMatchEntry.class).getMetadata()));
 228                 if (entry.isHasMask()) {
 229                     metadata.setMetadataMask(new BigInteger(OFConstants.SIGNUM_UNSIGNED, entry.getAugmentation(MaskMatchEntry.class).getMask()));
 230                 }
 231                 matchBuilder.setMetadata(metadata.build());
 232             } else if (field.equals(EthDst.class) || field.equals(EthSrc.class) || field.equals(EthType.class)) {
 233                 if (ethernetMatch == null) {
 234                     ethernetMatch = new EthernetMatchBuilder();
 235                 }
 236                 if (field.equals(EthDst.class)) {
 237                     EthernetDestinationBuilder ethDst = new EthernetDestinationBuilder();
 238                     ethDst.setAddress(entry.getAugmentation(MacAddressMatchEntry.class).getMacAddress());
 239                     if (entry.isHasMask()) {
 240                         ethDst.setMask(new MacAddress(ByteUtil.bytesToHexstring(entry.getAugmentation(MaskMatchEntry.class).getMask(), ":")));
 241                     }
 242                     ethernetMatch.setEthernetDestination(ethDst.build());
 243                 } else if (field.equals(EthSrc.class)) {
 244                     EthernetSourceBuilder ethSrc = new EthernetSourceBuilder();
 245                     ethSrc.setAddress(entry.getAugmentation(MacAddressMatchEntry.class).getMacAddress());
 246                     if (entry.isHasMask()) {
 247                         ethSrc.setMask(new MacAddress(ByteUtil.bytesToHexstring(entry.getAugmentation(MaskMatchEntry.class).getMask(), ":")));
 248                     }
 249                     ethernetMatch.setEthernetSource(ethSrc.build());
 250                 } else if (field.equals(EthType.class)) {
 251                     EthernetTypeBuilder ethType = new EthernetTypeBuilder();
 252                     ethType.setType(new EtherType(entry.getAugmentation(EthTypeMatchEntry.class).getEthType()
 253                             .getValue().longValue()));
 254                     ethernetMatch.setEthernetType(ethType.build());
 255                 }
 256             } else if (field.equals(VlanVid.class) || field.equals(VlanPcp.class)) {
 257                 if (vlanMatch == null) {
 258                     vlanMatch = new VlanMatchBuilder();
 259                 }
 260                 if (field.equals(VlanVid.class)) {
 261                     boolean vlanIdPresent = false;
 262                     VlanIdBuilder vlanId = new VlanIdBuilder();
 263                     VlanVidMatchEntry vlanVid = entry.getAugmentation(VlanVidMatchEntry.class);
 264                     Integer vlanVidValue = vlanVid.getVlanVid();
 265                     if (vlanVid.isCfiBit()) {
 266                         vlanIdPresent = true;
 267                     }
 268                     vlanId.setVlanIdPresent(vlanIdPresent);
 269                     if (vlanVidValue != null) {
 270                         vlanId.setVlanId(new VlanId(vlanVidValue));
 271                     }
 272                     vlanMatch.setVlanId(vlanId.build());
 273                 } else if (field.equals(VlanPcp.class)) {
 274                     vlanMatch.setVlanPcp(new org.opendaylight.yang.gen.v1.urn.opendaylight.l2.types.rev130827.VlanPcp(
 275                             entry.getAugmentation(VlanPcpMatchEntry.class).getVlanPcp().shortValue()));
 276                 }
 277             } else if (field.equals(IpDscp.class) || field.equals(IpEcn.class) || field.equals(IpProto.class)) {
 278                 if (ipMatch == null) {
 279                     ipMatch = new IpMatchBuilder();
 280                 }
 281                 if (field.equals(IpDscp.class)) {
 282                     ipMatch.setIpDscp(new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Dscp(
 283                             entry.getAugmentation(DscpMatchEntry.class).getDscp().getValue()));
 284                 } else if (field.equals(IpEcn.class)) {
 285                     ipMatch.setIpEcn(entry.getAugmentation(EcnMatchEntry.class).getEcn());
 286                 } else if (field.equals(IpProto.class)) {
 287                     ipMatch.setIpProtocol(entry.getAugmentation(ProtocolNumberMatchEntry.class).getProtocolNumber());
 288                 }
 289             } else if (field.equals(TcpSrc.class) || field.equals(TcpDst.class)) {
 290                 if (tcpMatch == null) {
 291                     tcpMatch = new TcpMatchBuilder();
 292                 }
 293                 if (field.equals(TcpSrc.class)) {
 294                     tcpMatch.setTcpSourcePort(new PortNumber(entry.getAugmentation(PortMatchEntry.class).getPort()
 295                             .getValue()));
 296                 } else if (field.equals(TcpDst.class)) {
 297                     tcpMatch.setTcpDestinationPort(new PortNumber(entry.getAugmentation(PortMatchEntry.class).getPort()
 298                             .getValue()));
 299                 }
 300             } else if (field.equals(UdpSrc.class) || field.equals(UdpDst.class)) {
 301                 if (udpMatch == null) {
 302                     udpMatch = new UdpMatchBuilder();
 303                 }
 304                 if (field.equals(UdpSrc.class)) {
 305                     udpMatch.setUdpSourcePort(new PortNumber(entry.getAugmentation(PortMatchEntry.class).getPort()
 306                             .getValue()));
 307                 } else if (field.equals(UdpDst.class)) {
 308                     udpMatch.setUdpDestinationPort(new PortNumber(entry.getAugmentation(PortMatchEntry.class).getPort()
 309                             .getValue()));
 310                 }
 311             } else if (field.equals(SctpSrc.class) || field.equals(SctpDst.class)) {
 312                 if (sctpMatch == null) {
 313                     sctpMatch = new SctpMatchBuilder();
 314                 }
 315                 if (field.equals(SctpSrc.class)) {
 316                     sctpMatch.setSctpSourcePort(new PortNumber(entry.getAugmentation(PortMatchEntry.class).getPort()
 317                             .getValue()));
 318                 } else if (field.equals(SctpDst.class)) {
 319                     sctpMatch.setSctpDestinationPort(new PortNumber(entry.getAugmentation(PortMatchEntry.class)
 320                             .getPort().getValue()));
 321                 }
 322             } else if (field.equals(Icmpv4Type.class) || field.equals(Icmpv4Code.class)) {
 323                 if (icmpv4Match == null) {
 324                     icmpv4Match = new Icmpv4MatchBuilder();
 325                 }
 326                 if (field.equals(Icmpv4Type.class)) {
 327                     icmpv4Match.setIcmpv4Type(entry.getAugmentation(Icmpv4TypeMatchEntry.class).getIcmpv4Type());
 328                 } else if (field.equals(Icmpv4Code.class)) {
 329                     icmpv4Match.setIcmpv4Code(entry.getAugmentation(Icmpv4CodeMatchEntry.class).getIcmpv4Code());
 330                 }
 331             } else if (field.equals(Icmpv6Type.class) || field.equals(Icmpv6Code.class)) {
 332                 if (icmpv6Match == null) {
 333                     icmpv6Match = new Icmpv6MatchBuilder();
 334                 }
 335                 if (field.equals(Icmpv6Type.class)) {
 336                     icmpv6Match.setIcmpv6Type(entry.getAugmentation(Icmpv6TypeMatchEntry.class).getIcmpv6Type());
 337                 } else if (field.equals(Icmpv6Code.class)) {
 338                     icmpv6Match.setIcmpv6Code(entry.getAugmentation(Icmpv6CodeMatchEntry.class).getIcmpv6Code());
 339                 }
 340             } else if (field.equals(Ipv4Src.class) || field.equals(Ipv4Dst.class)) {
 341                 if (ipv4Match == null) {
 342                     ipv4Match = new Ipv4MatchBuilder();
 343                 }
 344                 if (field.equals(Ipv4Src.class)) {
 345                     ipv4Match.setIpv4Source(toIpv4Prefix(entry));
 346                 } else if (field.equals(Ipv4Dst.class)) {
 347                     ipv4Match.setIpv4Destination(toIpv4Prefix(entry));
 348                 }
 349             } else if (field.equals(ArpOp.class) || field.equals(ArpSpa.class) || field.equals(ArpTpa.class)
 350                     || field.equals(ArpSha.class) || field.equals(ArpTha.class)) {
 351                 if (arpMatch == null) {
 352                     arpMatch = new ArpMatchBuilder();
 353                 }
 354                 if (field.equals(ArpOp.class)) {
 355                     arpMatch.setArpOp(entry.getAugmentation(OpCodeMatchEntry.class).getOpCode());
 356                 } else if (field.equals(ArpSpa.class)) {
 357                     arpMatch.setArpSourceTransportAddress(toIpv4Prefix(entry));
 358                 } else if (field.equals(ArpTpa.class)) {
 359                     arpMatch.setArpTargetTransportAddress(toIpv4Prefix(entry));
 360                 } else if (field.equals(ArpSha.class)) {
 361                     ArpSourceHardwareAddressBuilder arpSha = new ArpSourceHardwareAddressBuilder();
 362                     arpSha.setAddress(entry.getAugmentation(MacAddressMatchEntry.class).getMacAddress());
 363                     if (entry.isHasMask()) {
 364                         arpSha.setMask(new MacAddress(ByteUtil.bytesToHexstring(entry.getAugmentation(MaskMatchEntry.class).getMask(), ":")));
 365                     }
 366                     arpMatch.setArpSourceHardwareAddress(arpSha.build());
 367                 } else if (field.equals(ArpTha.class)) {
 368                     ArpTargetHardwareAddressBuilder arpTha = new ArpTargetHardwareAddressBuilder();
 369                     arpTha.setAddress(entry.getAugmentation(MacAddressMatchEntry.class).getMacAddress());
 370                     if (entry.isHasMask()) {
 371                         arpTha.setMask(new MacAddress(ByteUtil.bytesToHexstring(entry.getAugmentation(MaskMatchEntry.class).getMask(), ":")));
 372                     }
 373                     arpMatch.setArpTargetHardwareAddress(arpTha.build());
 374                 }
 375             } else if (field.equals(TunnelIpv4Src.class) || field.equals(TunnelIpv4Dst.class)) {
 376                 if (ipv4Match == null) {
 377                     ipv4Match = new Ipv4MatchBuilder();
 378                 }
 379                 if (field.equals(TunnelIpv4Src.class)) {
 380                     ipv4Match.setIpv4Source(toIpv4Prefix(entry));
 381                 } else if (field.equals(TunnelIpv4Dst.class)) {
 382                     ipv4Match.setIpv4Destination(toIpv4Prefix(entry));
 383                 }
 384             } else if (field.equals(Ipv6Src.class) || field.equals(Ipv6Dst.class) || field.equals(Ipv6Flabel.class)
 385                     || field.equals(Ipv6NdTarget.class) || field.equals(Ipv6NdSll.class)
 386                     || field.equals(Ipv6NdTll.class) || field.equals(Ipv6Exthdr.class)) {
 387                 if (ipv6Match == null) {
 388                     ipv6Match = new Ipv6MatchBuilder();
 389                 }
 390                 if (field.equals(Ipv6Src.class)) {
 391                     ipv6Match.setIpv6Source(toIpv6Prefix(entry));
 392                 } else if (field.equals(Ipv6Dst.class)) {
 393                     ipv6Match.setIpv6Destination(toIpv6Prefix(entry));
 394                 } else if (field.equals(Ipv6Flabel.class)) {
 395                     Ipv6LabelBuilder ipv6Label = new Ipv6LabelBuilder();
 396                     ipv6Label.setIpv6Flabel(entry.getAugmentation(Ipv6FlabelMatchEntry.class).getIpv6Flabel());
 397                     if (entry.isHasMask()) {
 398                         ipv6Label.setFlabelMask(new Ipv6FlowLabel(ByteUtil.bytesToUnsignedInt(entry.getAugmentation(MaskMatchEntry.class).getMask())));
 399                     }
 400                     ipv6Match.setIpv6Label(ipv6Label.build());
 401                 } else if (field.equals(Ipv6NdTarget.class)) {
 402                     ipv6Match.setIpv6NdTarget(entry.getAugmentation(Ipv6AddressMatchEntry.class).getIpv6Address());
 403                 } else if (field.equals(Ipv6NdSll.class)) {
 404                     ipv6Match.setIpv6NdSll(entry.getAugmentation(MacAddressMatchEntry.class).getMacAddress());
 405                 } else if (field.equals(Ipv6NdTll.class)) {
 406                     ipv6Match.setIpv6NdTll(entry.getAugmentation(MacAddressMatchEntry.class).getMacAddress());
 407                 } else if (field.equals(Ipv6Exthdr.class)) {
 408                     // verify
 409                     Ipv6ExtHeaderBuilder ipv6ExtHeaderBuilder = new Ipv6ExtHeaderBuilder();
 410                     Ipv6ExthdrFlags pseudoField = entry.getAugmentation(PseudoFieldMatchEntry.class).getPseudoField();
 411                     Map<Integer, Boolean> map = new HashMap<>();
 412                     map.put(0, pseudoField.isNonext());
 413                     map.put(1, pseudoField.isEsp());
 414                     map.put(2, pseudoField.isAuth());
 415                     map.put(3, pseudoField.isDest());
 416                     map.put(4, pseudoField.isFrag());
 417                     map.put(5, pseudoField.isRouter());
 418                     map.put(6, pseudoField.isHop());
 419                     map.put(7, pseudoField.isUnrep());
 420                     map.put(8, pseudoField.isUnseq());
 421                     int bitmap = ByteBufUtils.fillBitMaskFromMap(map);
 422                     ipv6ExtHeaderBuilder.setIpv6Exthdr(bitmap);
 423                     if (entry.isHasMask()) {
 424                         ipv6ExtHeaderBuilder.setIpv6ExthdrMask(
 425                                 ByteUtil.bytesToUnsignedShort(entry.getAugmentation(MaskMatchEntry.class).getMask()));
 426                     }
 427                     ipv6Match.setIpv6ExtHeader(ipv6ExtHeaderBuilder.build());
 428                 }
 429             } else if (field.equals(MplsLabel.class) || field.equals(MplsTc.class) || field.equals(MplsBos.class)
 430                     || field.equals(PbbIsid.class)) {
 431                 if (protocolMatchFields == null) {
 432                     protocolMatchFields = new ProtocolMatchFieldsBuilder();
 433                 }
 434                 if (field.equals(MplsLabel.class)) {
 435                     protocolMatchFields.setMplsLabel(entry.getAugmentation(MplsLabelMatchEntry.class).getMplsLabel());
 436                 } else if (field.equals(MplsTc.class)) {
 437                     protocolMatchFields.setMplsTc(entry.getAugmentation(TcMatchEntry.class).getTc());
 438                 } else if (field.equals(MplsBos.class)) {
 439                     protocolMatchFields
 440                             .setMplsBos((short) (entry.getAugmentation(BosMatchEntry.class).isBos() ? 1 : 0));
 441                 } else if (field.equals(PbbIsid.class)) {
 442                     PbbBuilder pbb = new PbbBuilder();
 443                     pbb.setPbbIsid(entry.getAugmentation(IsidMatchEntry.class).getIsid());
 444                     if (entry.isHasMask()) {
 445                         pbb.setPbbMask(ByteUtil.bytesToUnsignedInt(entry.getAugmentation(MaskMatchEntry.class).getMask()));
 446                     }
 447                     protocolMatchFields.setPbb(pbb.build());
 448                 }
 449             } else if (field.equals(TunnelId.class)) {
 450                 TunnelBuilder tunnel = new TunnelBuilder();
 451                 tunnel.setTunnelId(new BigInteger(1, entry.getAugmentation(MetadataMatchEntry.class).getMetadata()));
 452                 if (entry.isHasMask()) {
 453                     tunnel.setTunnelMask(new BigInteger(OFConstants.SIGNUM_UNSIGNED, entry.getAugmentation(MaskMatchEntry.class).getMask()));
 454                 }
 455                 matchBuilder.setTunnel(tunnel.build());
 456             }
 457         }
 458
 459         AugmentTuple<Match> matchExtensionWrap =
 460                 MatchExtensionHelper.processAllExtensions(
 461                         ofMatch.getMatchEntries(), ofVersion, MatchPath.SWITCHFLOWREMOVED_MATCH);
 462         if (matchExtensionWrap != null) {
 463             matchBuilder.addAugmentation(matchExtensionWrap.getAugmentationClass(), matchExtensionWrap.getAugmentationObject());
 464         }
 465
 466
 467         if (ethernetMatch != null) {
 468             matchBuilder.setEthernetMatch(ethernetMatch.build());
 469         }
 470         if (vlanMatch != null) {
 471             matchBuilder.setVlanMatch(vlanMatch.build());
 472         }
 473         if (ipMatch != null) {
 474             matchBuilder.setIpMatch(ipMatch.build());
 475         }
 476
 477         if (tcpMatch != null) {
 478             matchBuilder.setLayer4Match(tcpMatch.build());
 479         } else if (udpMatch != null) {
 480             matchBuilder.setLayer4Match(udpMatch.build());
 481         } else if (sctpMatch != null) {
 482             matchBuilder.setLayer4Match(sctpMatch.build());
 483         }
 484
 485         if (icmpv4Match != null) {
 486             matchBuilder.setIcmpv4Match(icmpv4Match.build());
 487         } else if (icmpv6Match != null) {
 488             matchBuilder.setIcmpv6Match(icmpv6Match.build());
 489         }
 490
 491         if (ipv4Match != null) {
 492             matchBuilder.setLayer3Match(ipv4Match.build());
 493         } else if (arpMatch != null) {
 494             matchBuilder.setLayer3Match(arpMatch.build());
 495         } else if (ipv6Match != null) {
 496             matchBuilder.setLayer3Match(ipv6Match.build());
 497         }
 498         if (protocolMatchFields != null) {
 499             matchBuilder.setProtocolMatchFields(protocolMatchFields.build());
 500         }
 501         return matchBuilder.build();
 502     }
 503
 504     protected Ipv4Prefix toIpv4Prefix(MatchEntries entry) {
 505         String ipv4Prefix = entry.getAugmentation(Ipv4AddressMatchEntry.class).getIpv4Address().getValue();
 506         if (entry.isHasMask()) {
 507             byte[] mask = entry.getAugmentation(MaskMatchEntry.class).getMask();
 508             ipv4Prefix = ipv4Prefix + PREFIX_SEPARATOR + countBits(mask);
 509         } else {
 510             ipv4Prefix += PREFIX_SEPARATOR + "32";
 511         }
 512         return new Ipv4Prefix(ipv4Prefix);
 513     }
 514
 515     protected Ipv6Prefix toIpv6Prefix(MatchEntries entry) {
 516         String ipv6Prefix = entry.getAugmentation(Ipv6AddressMatchEntry.class).getIpv6Address().getValue();
 517         if (entry.isHasMask()) {
 518             byte[] mask = entry.getAugmentation(MaskMatchEntry.class).getMask();
 519             ipv6Prefix = ipv6Prefix + PREFIX_SEPARATOR + countBits(mask);
 520         }
 521         return new Ipv6Prefix(ipv6Prefix);
 522     }
 523
 524     private int toInt(byte b) {
 525         return b < 0 ? b + 256 : b;
 526     }
 527
 528     private int countBits(byte[] mask) {
 529         int netmask = 0;
 530         for (byte b : mask) {
 531             netmask += Integer.bitCount(toInt(b));
 532         }
 533         return netmask;
 534     }
 535 }