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