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