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             salFlowRemoved.setCookie(new FlowCookie(ofFlow.getCookie()));
 154             salFlowRemoved.setPriority(ofFlow.getPriority());
 155
 156             if (ofFlow.getTableId() != null) {
 157                 salFlowRemoved.setTableId(ofFlow.getTableId().getValue().shortValue());
 158             }
 159
 160             salFlowRemoved.setDurationSec(ofFlow.getDurationSec());
 161             salFlowRemoved.setDurationNsec(ofFlow.getDurationNsec());
 162             salFlowRemoved.setIdleTimeout(ofFlow.getIdleTimeout());
 163             salFlowRemoved.setHardTimeout(ofFlow.getHardTimeout());
 164             salFlowRemoved.setPacketCount(ofFlow.getPacketCount());
 165             salFlowRemoved.setByteCount(ofFlow.getByteCount());
 166             RemovedReasonFlags removeReasonFlag = new RemovedReasonFlags(
 167                     FlowRemovedReason.OFPRRDELETE.equals(ofFlow.getReason()),
 168                     FlowRemovedReason.OFPRRGROUPDELETE.equals(ofFlow.getReason()),
 169                     FlowRemovedReason.OFPRRHARDTIMEOUT.equals(ofFlow.getReason()),
 170                     FlowRemovedReason.OFPRRIDLETIMEOUT.equals(ofFlow.getReason())
 171                     );
 172
 173             salFlowRemoved.setRemovedReason(removeReasonFlag);
 174
 175             OpenflowVersion ofVersion = OpenflowVersion.get(sc.getPrimaryConductor().getVersion());
 176             org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.match.grouping.Match ofMatch = ofFlow
 177                     .getMatch();
 178             if (ofMatch != null) {
 179                 salFlowRemoved.setMatch(fromMatch(ofMatch, sc.getFeatures().getDatapathId(), ofVersion));
 180             }
 181             else if(ofFlow.getMatchV10() != null){
 182                 MatchBuilder matchBuilder = new MatchBuilder(MatchConvertorImpl.fromOFMatchV10ToSALMatch(ofFlow.getMatchV10(), sc.getFeatures().getDatapathId(), ofVersion));
 183                 salFlowRemoved.setMatch(matchBuilder.build());
 184             }
 185             salFlowRemoved.setNode(new NodeRef(InventoryDataServiceUtil.identifierFromDatapathId(sc.getFeatures()
 186                     .getDatapathId())));
 187             list.add(salFlowRemoved.build());
 188             return list;
 189         } else {
 190             LOG.error("Message is not a flow removed message ");
 191             return Collections.emptyList();
 192         }
 193     }
 194
 195
 196     public Match fromMatch(org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.match.grouping.Match ofMatch,
 197             BigInteger datapathid, OpenflowVersion ofVersion) {
 198         MatchBuilder matchBuilder = new MatchBuilder();
 199         EthernetMatchBuilder ethernetMatch = null;
 200         VlanMatchBuilder vlanMatch = null;
 201         IpMatchBuilder ipMatch = null;
 202         TcpMatchBuilder tcpMatch = null;
 203         UdpMatchBuilder udpMatch = null;
 204         SctpMatchBuilder sctpMatch = null;
 205         Icmpv4MatchBuilder icmpv4Match = null;
 206         Icmpv6MatchBuilder icmpv6Match = null;
 207         Ipv4MatchBuilder ipv4Match = null;
 208         ArpMatchBuilder arpMatch = null;
 209         Ipv6MatchBuilder ipv6Match = null;
 210         ProtocolMatchFieldsBuilder protocolMatchFields = null;
 211
 212         for (MatchEntries entry : ofMatch.getMatchEntries()) {
 213             Class<? extends MatchField> field = entry.getOxmMatchField();
 214             if (field.equals(InPort.class)) {
 215                 matchBuilder.setInPort(InventoryDataServiceUtil.nodeConnectorIdfromDatapathPortNo(datapathid,
 216                         entry.getAugmentation(PortNumberMatchEntry.class).getPortNumber().getValue().longValue(), ofVersion));
 217             } else if (field.equals(InPhyPort.class)) {
 218                 matchBuilder.setInPhyPort(InventoryDataServiceUtil.nodeConnectorIdfromDatapathPortNo(datapathid,
 219                         entry.getAugmentation(PortNumberMatchEntry.class).getPortNumber().getValue().longValue(), ofVersion));
 220             } else if (field.equals(Metadata.class)) {
 221                 MetadataBuilder metadata = new MetadataBuilder();
 222                 metadata.setMetadata(new BigInteger(1, entry.getAugmentation(MetadataMatchEntry.class).getMetadata()));
 223                 if (entry.isHasMask()) {
 224                     metadata.setMetadataMask(new BigInteger(OFConstants.SIGNUM_UNSIGNED, entry.getAugmentation(MaskMatchEntry.class).getMask()));
 225                 }
 226                 matchBuilder.setMetadata(metadata.build());
 227             } else if (field.equals(EthDst.class) || field.equals(EthSrc.class) || field.equals(EthType.class)) {
 228                 if (ethernetMatch == null) {
 229                     ethernetMatch = new EthernetMatchBuilder();
 230                 }
 231                 if (field.equals(EthDst.class)) {
 232                     EthernetDestinationBuilder ethDst = new EthernetDestinationBuilder();
 233                     ethDst.setAddress(entry.getAugmentation(MacAddressMatchEntry.class).getMacAddress());
 234                     if (entry.isHasMask()) {
 235                         ethDst.setMask(new MacAddress(ByteUtil.bytesToHexstring(entry.getAugmentation(MaskMatchEntry.class).getMask(),":")));
 236                     }
 237                     ethernetMatch.setEthernetDestination(ethDst.build());
 238                 } else if (field.equals(EthSrc.class)) {
 239                     EthernetSourceBuilder ethSrc = new EthernetSourceBuilder();
 240                     ethSrc.setAddress(entry.getAugmentation(MacAddressMatchEntry.class).getMacAddress());
 241                     if (entry.isHasMask()) {
 242                         ethSrc.setMask(new MacAddress(ByteUtil.bytesToHexstring(entry.getAugmentation(MaskMatchEntry.class).getMask(),":")));
 243                     }
 244                     ethernetMatch.setEthernetSource(ethSrc.build());
 245                 } else if (field.equals(EthType.class)) {
 246                     EthernetTypeBuilder ethType = new EthernetTypeBuilder();
 247                     ethType.setType(new EtherType(entry.getAugmentation(EthTypeMatchEntry.class).getEthType()
 248                             .getValue().longValue()));
 249                     ethernetMatch.setEthernetType(ethType.build());
 250                 }
 251             } else if (field.equals(VlanVid.class) || field.equals(VlanPcp.class)) {
 252                 if (vlanMatch == null) {
 253                     vlanMatch = new VlanMatchBuilder();
 254                 }
 255                 if (field.equals(VlanVid.class)) {
 256                     boolean vlanIdPresent = false;
 257                     VlanIdBuilder vlanId = new VlanIdBuilder();
 258                     VlanVidMatchEntry vlanVid = entry.getAugmentation(VlanVidMatchEntry.class);
 259                     Integer vlanVidValue = vlanVid.getVlanVid();
 260                     if (vlanVid.isCfiBit()) {
 261                         vlanIdPresent = true;
 262                     }
 263                     vlanId.setVlanIdPresent(vlanIdPresent);
 264                     if (vlanVidValue != null) {
 265                         vlanId.setVlanId(new VlanId(vlanVidValue));
 266                     }
 267                     vlanMatch.setVlanId(vlanId.build());
 268                 } else if (field.equals(VlanPcp.class)) {
 269                     vlanMatch.setVlanPcp(new org.opendaylight.yang.gen.v1.urn.opendaylight.l2.types.rev130827.VlanPcp(
 270                             entry.getAugmentation(VlanPcpMatchEntry.class).getVlanPcp().shortValue()));
 271                 }
 272             } else if (field.equals(IpDscp.class) || field.equals(IpEcn.class) || field.equals(IpProto.class)) {
 273                 if (ipMatch == null) {
 274                     ipMatch = new IpMatchBuilder();
 275                 }
 276                 if (field.equals(IpDscp.class)) {
 277                     ipMatch.setIpDscp(new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Dscp(
 278                             entry.getAugmentation(DscpMatchEntry.class).getDscp().getValue()));
 279                 } else if (field.equals(IpEcn.class)) {
 280                     ipMatch.setIpEcn(entry.getAugmentation(EcnMatchEntry.class).getEcn());
 281                 } else if (field.equals(IpProto.class)) {
 282                     ipMatch.setIpProtocol(entry.getAugmentation(ProtocolNumberMatchEntry.class).getProtocolNumber());
 283                 }
 284             } else if (field.equals(TcpSrc.class) || field.equals(TcpDst.class)) {
 285                 if (tcpMatch == null) {
 286                     tcpMatch = new TcpMatchBuilder();
 287                 }
 288                 if (field.equals(TcpSrc.class)) {
 289                     tcpMatch.setTcpSourcePort(new PortNumber(entry.getAugmentation(PortMatchEntry.class).getPort()
 290                             .getValue()));
 291                 } else if (field.equals(TcpDst.class)) {
 292                     tcpMatch.setTcpDestinationPort(new PortNumber(entry.getAugmentation(PortMatchEntry.class).getPort()
 293                             .getValue()));
 294                 }
 295             } else if (field.equals(UdpSrc.class) || field.equals(UdpDst.class)) {
 296                 if (udpMatch == null) {
 297                     udpMatch = new UdpMatchBuilder();
 298                 }
 299                 if (field.equals(UdpSrc.class)) {
 300                     udpMatch.setUdpSourcePort(new PortNumber(entry.getAugmentation(PortMatchEntry.class).getPort()
 301                             .getValue()));
 302                 } else if (field.equals(UdpDst.class)) {
 303                     udpMatch.setUdpDestinationPort(new PortNumber(entry.getAugmentation(PortMatchEntry.class).getPort()
 304                             .getValue()));
 305                 }
 306             } else if (field.equals(SctpSrc.class) || field.equals(SctpDst.class)) {
 307                 if (sctpMatch == null) {
 308                     sctpMatch = new SctpMatchBuilder();
 309                 }
 310                 if (field.equals(SctpSrc.class)) {
 311                     sctpMatch.setSctpSourcePort(new PortNumber(entry.getAugmentation(PortMatchEntry.class).getPort()
 312                             .getValue()));
 313                 } else if (field.equals(SctpDst.class)) {
 314                     sctpMatch.setSctpDestinationPort(new PortNumber(entry.getAugmentation(PortMatchEntry.class)
 315                             .getPort().getValue()));
 316                 }
 317             } else if (field.equals(Icmpv4Type.class) || field.equals(Icmpv4Code.class)) {
 318                 if (icmpv4Match == null) {
 319                     icmpv4Match = new Icmpv4MatchBuilder();
 320                 }
 321                 if (field.equals(Icmpv4Type.class)) {
 322                     icmpv4Match.setIcmpv4Type(entry.getAugmentation(Icmpv4TypeMatchEntry.class).getIcmpv4Type());
 323                 } else if (field.equals(Icmpv4Code.class)) {
 324                     icmpv4Match.setIcmpv4Code(entry.getAugmentation(Icmpv4CodeMatchEntry.class).getIcmpv4Code());
 325                 }
 326             } else if (field.equals(Icmpv6Type.class) || field.equals(Icmpv6Code.class)) {
 327                 if (icmpv6Match == null) {
 328                     icmpv6Match = new Icmpv6MatchBuilder();
 329                 }
 330                 if (field.equals(Icmpv6Type.class)) {
 331                     icmpv6Match.setIcmpv6Type(entry.getAugmentation(Icmpv6TypeMatchEntry.class).getIcmpv6Type());
 332                 } else if (field.equals(Icmpv6Code.class)) {
 333                     icmpv6Match.setIcmpv6Code(entry.getAugmentation(Icmpv6CodeMatchEntry.class).getIcmpv6Code());
 334                 }
 335             } else if (field.equals(Ipv4Src.class) || field.equals(Ipv4Dst.class)) {
 336                 if (ipv4Match == null) {
 337                     ipv4Match = new Ipv4MatchBuilder();
 338                 }
 339                 if (field.equals(Ipv4Src.class)) {
 340                     ipv4Match.setIpv4Source(toIpv4Prefix(entry));
 341                 } else if (field.equals(Ipv4Dst.class)) {
 342                     ipv4Match.setIpv4Destination(toIpv4Prefix(entry));
 343                 }
 344             } else if (field.equals(ArpOp.class) || field.equals(ArpSpa.class) || field.equals(ArpTpa.class)
 345                     || field.equals(ArpSha.class) || field.equals(ArpTha.class)) {
 346                 if (arpMatch == null) {
 347                     arpMatch = new ArpMatchBuilder();
 348                 }
 349                 if (field.equals(ArpOp.class)) {
 350                     arpMatch.setArpOp(entry.getAugmentation(OpCodeMatchEntry.class).getOpCode());
 351                 } else if (field.equals(ArpSpa.class)) {
 352                     arpMatch.setArpSourceTransportAddress(toIpv4Prefix(entry));
 353                 } else if (field.equals(ArpTpa.class)) {
 354                     arpMatch.setArpTargetTransportAddress(toIpv4Prefix(entry));
 355                 } else if (field.equals(ArpSha.class)) {
 356                     ArpSourceHardwareAddressBuilder arpSha = new ArpSourceHardwareAddressBuilder();
 357                     arpSha.setAddress(entry.getAugmentation(MacAddressMatchEntry.class).getMacAddress());
 358                     if (entry.isHasMask()) {
 359                         arpSha.setMask(new MacAddress(ByteUtil.bytesToHexstring(entry.getAugmentation(MaskMatchEntry.class).getMask(),":")));
 360                     }
 361                     arpMatch.setArpSourceHardwareAddress(arpSha.build());
 362                 } else if (field.equals(ArpTha.class)) {
 363                     ArpTargetHardwareAddressBuilder arpTha = new ArpTargetHardwareAddressBuilder();
 364                     arpTha.setAddress(entry.getAugmentation(MacAddressMatchEntry.class).getMacAddress());
 365                     if (entry.isHasMask()) {
 366                         arpTha.setMask(new MacAddress(ByteUtil.bytesToHexstring(entry.getAugmentation(MaskMatchEntry.class).getMask(),":")));
 367                     }
 368                     arpMatch.setArpTargetHardwareAddress(arpTha.build());
 369                 }
 370             } else if (field.equals(Ipv6Src.class) || field.equals(Ipv6Dst.class) || field.equals(Ipv6Flabel.class)
 371                     || field.equals(Ipv6NdTarget.class) || field.equals(Ipv6NdSll.class)
 372                     || field.equals(Ipv6NdTll.class) || field.equals(Ipv6Exthdr.class)) {
 373                 if (ipv6Match == null) {
 374                     ipv6Match = new Ipv6MatchBuilder();
 375                 }
 376                 if (field.equals(Ipv6Src.class)) {
 377                     ipv6Match.setIpv6Source(toIpv6Prefix(entry));
 378                 } else if (field.equals(Ipv6Dst.class)) {
 379                     ipv6Match.setIpv6Destination(toIpv6Prefix(entry));
 380                 } else if (field.equals(Ipv6Flabel.class)) {
 381                     Ipv6LabelBuilder ipv6Label = new Ipv6LabelBuilder();
 382                     ipv6Label.setIpv6Flabel(entry.getAugmentation(Ipv6FlabelMatchEntry.class).getIpv6Flabel());
 383                     if (entry.isHasMask()) {
 384                         ipv6Label.setFlabelMask(new Ipv6FlowLabel(ByteUtil.bytesToUnsignedInt(entry.getAugmentation(MaskMatchEntry.class).getMask())));
 385                     }
 386                     ipv6Match.setIpv6Label(ipv6Label.build());
 387                 } else if (field.equals(Ipv6NdTarget.class)) {
 388                     ipv6Match.setIpv6NdTarget(entry.getAugmentation(Ipv6AddressMatchEntry.class).getIpv6Address());
 389                 } else if (field.equals(Ipv6NdSll.class)) {
 390                     ipv6Match.setIpv6NdSll(entry.getAugmentation(MacAddressMatchEntry.class).getMacAddress());
 391                 } else if (field.equals(Ipv6NdTll.class)) {
 392                     ipv6Match.setIpv6NdTll(entry.getAugmentation(MacAddressMatchEntry.class).getMacAddress());
 393                 } else if (field.equals(Ipv6Exthdr.class)) {
 394                     // verify
 395                     Ipv6ExtHeaderBuilder ipv6ExtHeaderBuilder = new Ipv6ExtHeaderBuilder();
 396                     Ipv6ExthdrFlags pseudoField = entry.getAugmentation(PseudoFieldMatchEntry.class).getPseudoField();
 397                     Map<Integer, Boolean> map = new HashMap<>();
 398                     map.put(0, pseudoField.isNonext());
 399                     map.put(1, pseudoField.isEsp());
 400                     map.put(2, pseudoField.isAuth());
 401                     map.put(3, pseudoField.isDest());
 402                     map.put(4, pseudoField.isFrag());
 403                     map.put(5, pseudoField.isRouter());
 404                     map.put(6, pseudoField.isHop());
 405                     map.put(7, pseudoField.isUnrep());
 406                     map.put(8, pseudoField.isUnseq());
 407                     int bitmap = fillBitMaskFromMap(map);
 408                     ipv6ExtHeaderBuilder.setIpv6Exthdr(bitmap);
 409                     if (entry.isHasMask()) {
 410                         ipv6ExtHeaderBuilder.setIpv6ExthdrMask(
 411                             ByteUtil.bytesToUnsignedShort(entry.getAugmentation(MaskMatchEntry.class).getMask()));
 412                     }
 413                     ipv6Match.setIpv6ExtHeader(ipv6ExtHeaderBuilder.build());
 414                 }
 415             } else if (field.equals(MplsLabel.class) || field.equals(MplsTc.class) || field.equals(MplsBos.class)
 416                     || field.equals(PbbIsid.class)) {
 417                 if (protocolMatchFields == null) {
 418                     protocolMatchFields = new ProtocolMatchFieldsBuilder();
 419                 }
 420                 if (field.equals(MplsLabel.class)) {
 421                     protocolMatchFields.setMplsLabel(entry.getAugmentation(MplsLabelMatchEntry.class).getMplsLabel());
 422                 } else if (field.equals(MplsTc.class)) {
 423                     protocolMatchFields.setMplsTc(entry.getAugmentation(TcMatchEntry.class).getTc());
 424                 } else if (field.equals(MplsBos.class)) {
 425                     protocolMatchFields
 426                             .setMplsBos((short) (entry.getAugmentation(BosMatchEntry.class).isBos() ? 1 : 0));
 427                 } else if (field.equals(PbbIsid.class)) {
 428                     PbbBuilder pbb = new PbbBuilder();
 429                     pbb.setPbbIsid(entry.getAugmentation(IsidMatchEntry.class).getIsid());
 430                     if (entry.isHasMask()) {
 431                         pbb.setPbbMask(ByteUtil.bytesToUnsignedInt(entry.getAugmentation(MaskMatchEntry.class).getMask()));
 432                     }
 433                     protocolMatchFields.setPbb(pbb.build());
 434                 }
 435             } else if (field.equals(TunnelId.class)) {
 436                 TunnelBuilder tunnel = new TunnelBuilder();
 437                 tunnel.setTunnelId(new BigInteger(1, entry.getAugmentation(MetadataMatchEntry.class).getMetadata()));
 438                 if (entry.isHasMask()) {
 439                     tunnel.setTunnelMask(new BigInteger(OFConstants.SIGNUM_UNSIGNED, entry.getAugmentation(MaskMatchEntry.class).getMask()));
 440                 }
 441                 matchBuilder.setTunnel(tunnel.build());
 442             }
 443         }
 444
 445         if (ethernetMatch != null) {
 446             matchBuilder.setEthernetMatch(ethernetMatch.build());
 447         }
 448         if (vlanMatch != null) {
 449             matchBuilder.setVlanMatch(vlanMatch.build());
 450         }
 451         if (ipMatch != null) {
 452             matchBuilder.setIpMatch(ipMatch.build());
 453         }
 454
 455         if (tcpMatch != null) {
 456             matchBuilder.setLayer4Match(tcpMatch.build());
 457         } else if (udpMatch != null) {
 458             matchBuilder.setLayer4Match(udpMatch.build());
 459         } else if (sctpMatch != null) {
 460             matchBuilder.setLayer4Match(sctpMatch.build());
 461         }
 462
 463         if (icmpv4Match != null) {
 464             matchBuilder.setIcmpv4Match(icmpv4Match.build());
 465         } else if (icmpv6Match != null) {
 466             matchBuilder.setIcmpv6Match(icmpv6Match.build());
 467         }
 468
 469         if (ipv4Match != null) {
 470             matchBuilder.setLayer3Match(ipv4Match.build());
 471         } else if (arpMatch != null) {
 472             matchBuilder.setLayer3Match(arpMatch.build());
 473         } else if (ipv6Match != null) {
 474             matchBuilder.setLayer3Match(ipv6Match.build());
 475         }
 476         if (protocolMatchFields != null) {
 477             matchBuilder.setProtocolMatchFields(protocolMatchFields.build());
 478         }
 479         return matchBuilder.build();
 480     }
 481
 482     /**
 483      * Fills the bitmask from boolean map where key is bit position
 484      *
 485      * @param booleanMap
 486      *            bit to boolean mapping
 487      * @return bit mask
 488      */
 489     private int fillBitMaskFromMap(Map<Integer, Boolean> booleanMap) {
 490         int bitmask = 0;
 491
 492         for (Entry<Integer, Boolean> iterator : booleanMap.entrySet()) {
 493             if (iterator.getValue() != null && iterator.getValue().booleanValue()) {
 494                 bitmask |= 1 << iterator.getKey();
 495             }
 496         }
 497         return bitmask;
 498     }
 499
 500     private Ipv4Prefix toIpv4Prefix(MatchEntries entry) {
 501         String ipv4Prefix = entry.getAugmentation(Ipv4AddressMatchEntry.class).getIpv4Address().toString();
 502         if (entry.isHasMask()) {
 503             byte[] mask = entry.getAugmentation(MaskMatchEntry.class).getMask();
 504             ipv4Prefix = ipv4Prefix + PREFIX_SEPARATOR + countBits(mask);
 505         }
 506         return new Ipv4Prefix(ipv4Prefix);
 507     }
 508
 509     private Ipv6Prefix toIpv6Prefix(MatchEntries entry) {
 510         String ipv6Prefix = entry.getAugmentation(Ipv6AddressMatchEntry.class).getIpv6Address().toString();
 511         if (entry.isHasMask()) {
 512             byte[] mask = entry.getAugmentation(MaskMatchEntry.class).getMask();
 513             ipv6Prefix = ipv6Prefix + PREFIX_SEPARATOR + countBits(mask);
 514         }
 515         return new Ipv6Prefix(ipv6Prefix);
 516     }
 517
 518     private int toInt(byte b) {
 519         return b < 0 ? b + 256 : b;
 520     }
 521
 522     private int countBits(byte[] mask) {
 523         int netmask = 0;
 524         for (byte b : mask) {
 525             netmask += Integer.bitCount(toInt(b));
 526         }
 527         return netmask;
 528     }
 529 }