openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/util/MatchDeserializer.java

   1 /* Copyright (C)2013 Pantheon Technologies, s.r.o. All rights reserved. */\r
   2 package org.opendaylight.openflowjava.protocol.impl.util;\r
   3 \r
   4 import io.netty.buffer.ByteBuf;\r
   5 \r
   6 import java.util.ArrayList;\r
   7 import java.util.List;\r
   8 \r
   9 import org.opendaylight.openflowjava.protocol.impl.serialization.factories.EncodeConstants;\r
  10 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Dscp;\r
  11 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Address;\r
  12 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv6Address;\r
  13 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv6FlowLabel;\r
  14 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev100924.MacAddress;\r
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.BosMatchEntry;\r
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.BosMatchEntryBuilder;\r
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.DscpMatchEntry;\r
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.DscpMatchEntryBuilder;\r
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.EcnMatchEntry;\r
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.EcnMatchEntryBuilder;\r
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.EthTypeMatchEntry;\r
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.EthTypeMatchEntryBuilder;\r
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Icmpv4CodeMatchEntry;\r
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Icmpv4CodeMatchEntryBuilder;\r
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Icmpv4TypeMatchEntry;\r
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Icmpv4TypeMatchEntryBuilder;\r
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Icmpv6CodeMatchEntry;\r
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Icmpv6CodeMatchEntryBuilder;\r
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Icmpv6TypeMatchEntry;\r
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Icmpv6TypeMatchEntryBuilder;\r
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Ipv4AddressMatchEntry;\r
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Ipv4AddressMatchEntryBuilder;\r
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Ipv6AddressMatchEntry;\r
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Ipv6AddressMatchEntryBuilder;\r
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Ipv6FlabelMatchEntry;\r
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Ipv6FlabelMatchEntryBuilder;\r
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.IsidMatchEntry;\r
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.IsidMatchEntryBuilder;\r
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MacAddressMatchEntry;\r
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MacAddressMatchEntryBuilder;\r
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MaskMatchEntry;\r
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MaskMatchEntryBuilder;\r
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MetadataMatchEntry;\r
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MetadataMatchEntryBuilder;\r
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MplsLabelMatchEntry;\r
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MplsLabelMatchEntryBuilder;\r
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.OpCodeMatchEntry;\r
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.OpCodeMatchEntryBuilder;\r
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.PortMatchEntry;\r
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.PortMatchEntryBuilder;\r
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.PortNumberMatchEntry;\r
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.PortNumberMatchEntryBuilder;\r
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.ProtocolNumberMatchEntry;\r
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.ProtocolNumberMatchEntryBuilder;\r
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.PseudoFieldMatchEntry;\r
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.PseudoFieldMatchEntry.PseudoField;\r
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.PseudoFieldMatchEntryBuilder;\r
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.TcMatchEntry;\r
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.TcMatchEntryBuilder;\r
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.VlanPcpMatchEntry;\r
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.VlanPcpMatchEntryBuilder;\r
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.VlanVidMatchEntry;\r
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.VlanVidMatchEntryBuilder;\r
  64 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.EtherType;\r
  65 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortNumber;\r
  66 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.StandardMatchType;\r
  67 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.ArpOp;\r
  68 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.ArpSha;\r
  69 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.ArpSpa;\r
  70 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.ArpTha;\r
  71 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.ArpTpa;\r
  72 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.EthDst;\r
  73 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.EthSrc;\r
  74 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.EthType;\r
  75 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.ExperimenterClass;\r
  76 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Icmpv4Code;\r
  77 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Icmpv4Type;\r
  78 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Icmpv6Code;\r
  79 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Icmpv6Type;\r
  80 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.InPhyPort;\r
  81 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.InPort;\r
  82 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.IpDscp;\r
  83 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.IpEcn;\r
  84 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.IpProto;\r
  85 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv4Dst;\r
  86 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv4Src;\r
  87 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv6Dst;\r
  88 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv6Exthdr;\r
  89 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv6Flabel;\r
  90 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv6NdSll;\r
  91 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv6NdTarget;\r
  92 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv6NdTll;\r
  93 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv6Src;\r
  94 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Metadata;\r
  95 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.MplsBos;\r
  96 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.MplsLabel;\r
  97 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.MplsTc;\r
  98 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Nxm0Class;\r
  99 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Nxm1Class;\r
 100 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.OpenflowBasicClass;\r
 101 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.OxmMatchType;\r
 102 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.PbbIsid;\r
 103 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.SctpDst;\r
 104 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.SctpSrc;\r
 105 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.TcpDst;\r
 106 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.TcpSrc;\r
 107 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.TunnelId;\r
 108 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.UdpDst;\r
 109 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.UdpSrc;\r
 110 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.VlanPcp;\r
 111 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.VlanVid;\r
 112 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.oxm.fields.MatchEntries;\r
 113 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.oxm.fields.MatchEntriesBuilder;\r
 114 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.match.grouping.Match;\r
 115 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.match.grouping.MatchBuilder;\r
 116 import org.slf4j.Logger;\r
 117 import org.slf4j.LoggerFactory;\r
 118 \r
 119 import com.google.common.base.Joiner;\r
 120 \r
 121 /**\r
 122  * Deserializes ofp_match (OpenFlow v1.3) and its oxm_fields structures\r
 123  * @author timotej.kubas\r
 124  * @author michal.polkorab\r
 125  */\r
 126 public abstract class MatchDeserializer {\r
 127     private static final Logger LOGGER = LoggerFactory.getLogger(MatchDeserializer.class);\r
 128     private static final byte SIZE_OF_LONG_IN_BYTES = Long.SIZE / Byte.SIZE;\r
 129     private static final byte SIZE_OF_INT_IN_BYTES = Integer.SIZE / Byte.SIZE;\r
 130     private static final byte SIZE_OF_SHORT_IN_BYTES = Short.SIZE / Byte.SIZE;\r
 131     private static final byte SIZE_OF_BYTE_IN_BYTES = Byte.SIZE / Byte.SIZE;\r
 132     private static final byte SIZE_OF_IPV6_ADDRESS_IN_BYTES = (8 * Short.SIZE) / Byte.SIZE;\r
 133     \r
 134     \r
 135     /**\r
 136      * Creates match\r
 137      * @param in input ByteBuf\r
 138      * @return ofp_match (OpenFlow v1.3)\r
 139      */\r
 140     public static Match createMatch(ByteBuf in) {\r
 141         if (in.readableBytes() > 0) {\r
 142             MatchBuilder builder = new MatchBuilder();\r
 143             int type = in.readUnsignedShort();\r
 144             int length = in.readUnsignedShort();\r
 145             switch (type) {\r
 146             case 0:\r
 147                 builder.setType(StandardMatchType.class);\r
 148                 break;\r
 149             case 1:\r
 150                 builder.setType(OxmMatchType.class);\r
 151                 break;\r
 152             default:\r
 153                 break;\r
 154             }\r
 155             builder.setMatchEntries(createMatchEntries(in, length - 2 * (Short.SIZE / Byte.SIZE)));\r
 156             int paddingRemainder = length % EncodeConstants.PADDING;\r
 157             if (paddingRemainder != 0) {\r
 158                 in.skipBytes(EncodeConstants.PADDING - paddingRemainder);\r
 159             }\r
 160             return builder.build();\r
 161         }\r
 162         return null;\r
 163     }\r
 164     \r
 165     /**\r
 166      * Deserializes single match entry (oxm_field)\r
 167      * @param in input ByteBuf\r
 168      * @param matchLength length of match entry\r
 169      * @return MatchEntriesList list containing one match entry\r
 170      */\r
 171     public static List<MatchEntries> createMatchEntry(ByteBuf in, int matchLength) {\r
 172         return createMatchEntriesInternal(in, matchLength, true);\r
 173     }\r
 174     \r
 175     /**\r
 176      * @param in input ByteBuf\r
 177      * @param matchLength length of match entries\r
 178      * @return MatchEntriesList list of match entries\r
 179      */\r
 180     public static List<MatchEntries> createMatchEntries(ByteBuf in, int matchLength) {\r
 181         return createMatchEntriesInternal(in, matchLength, false);\r
 182     }\r
 183     \r
 184     private static List<MatchEntries> createMatchEntriesInternal(ByteBuf in, int matchLength, boolean oneEntry) {\r
 185         List<MatchEntries> matchEntriesList = new ArrayList<>();\r
 186         int currLength = 0;\r
 187         while(currLength < matchLength) {\r
 188             MatchEntriesBuilder matchEntriesBuilder = new MatchEntriesBuilder(); \r
 189             switch (in.readUnsignedShort()) { \r
 190             case 0x0000:\r
 191                         matchEntriesBuilder.setOxmClass(Nxm0Class.class);\r
 192                         break;\r
 193             case 0x0001:\r
 194                         matchEntriesBuilder.setOxmClass(Nxm1Class.class);\r
 195                         break;\r
 196             case 0x8000:\r
 197                         matchEntriesBuilder.setOxmClass(OpenflowBasicClass.class);\r
 198                         break;\r
 199             case 0xFFFF:\r
 200                         matchEntriesBuilder.setOxmClass(ExperimenterClass.class);\r
 201                         break;\r
 202             default:\r
 203                         break;\r
 204             }\r
 205 \r
 206             int fieldAndMask = in.readUnsignedByte();\r
 207             boolean hasMask = (fieldAndMask & 1) != 0;\r
 208             int matchField =  fieldAndMask >> 1;\r
 209             int matchEntryLength = in.readUnsignedByte();\r
 210             currLength += SIZE_OF_SHORT_IN_BYTES + (2 * SIZE_OF_BYTE_IN_BYTES) + matchEntryLength;\r
 211             \r
 212             switch(matchField) {\r
 213             case 0: \r
 214                 matchEntriesBuilder.setOxmMatchField(InPort.class);\r
 215                 PortNumberMatchEntryBuilder port = new PortNumberMatchEntryBuilder();\r
 216                 port.setPortNumber(new PortNumber(in.readUnsignedInt())); \r
 217                 matchEntriesBuilder.addAugmentation(PortNumberMatchEntry.class, port.build());\r
 218                 break;\r
 219             case 1:\r
 220                 matchEntriesBuilder.setOxmMatchField(InPhyPort.class);\r
 221                 PortNumberMatchEntryBuilder phyPort = new PortNumberMatchEntryBuilder();\r
 222                 phyPort.setPortNumber(new PortNumber(in.readUnsignedInt())); \r
 223                 matchEntriesBuilder.addAugmentation(PortNumberMatchEntry.class, phyPort.build());\r
 224                 break;\r
 225             case 2:\r
 226                 matchEntriesBuilder.setOxmMatchField(Metadata.class);\r
 227                 addMetadataAugmentation(matchEntriesBuilder, in);\r
 228                 if (hasMask) {\r
 229                     addMaskAugmentation(matchEntriesBuilder, in, SIZE_OF_LONG_IN_BYTES);\r
 230                 }\r
 231                 break;\r
 232             case 3:\r
 233                 matchEntriesBuilder.setOxmMatchField(EthDst.class);\r
 234                 addMacAddressAugmentation(matchEntriesBuilder, in);\r
 235                 if (hasMask) {\r
 236                     addMaskAugmentation(matchEntriesBuilder, in, SIZE_OF_LONG_IN_BYTES);\r
 237                 }\r
 238                 break;\r
 239             case 4:\r
 240                 matchEntriesBuilder.setOxmMatchField(EthSrc.class);\r
 241                 addMacAddressAugmentation(matchEntriesBuilder, in);\r
 242                 if (hasMask) {\r
 243                     addMaskAugmentation(matchEntriesBuilder, in, SIZE_OF_LONG_IN_BYTES);\r
 244                 }\r
 245                 break;\r
 246             case 5:\r
 247                 matchEntriesBuilder.setOxmMatchField(EthType.class);\r
 248                 EthTypeMatchEntryBuilder ethertypeBuilder = new EthTypeMatchEntryBuilder();\r
 249                 ethertypeBuilder.setEthType(new EtherType(in.readUnsignedShort()));\r
 250                 matchEntriesBuilder.addAugmentation(EthTypeMatchEntry.class, ethertypeBuilder.build());\r
 251                 break;\r
 252             case 6:\r
 253                 matchEntriesBuilder.setOxmMatchField(VlanVid.class);\r
 254                 VlanVidMatchEntryBuilder vlanVidBuilder = new VlanVidMatchEntryBuilder();\r
 255                 int vidEntryValue = in.readUnsignedShort(); \r
 256                 vlanVidBuilder.setCfiBit((vidEntryValue & 1) != 0);\r
 257                 vlanVidBuilder.setVlanVid(vidEntryValue >> 1);\r
 258                 matchEntriesBuilder.addAugmentation(VlanVidMatchEntry.class, vlanVidBuilder.build());\r
 259                 if (hasMask) {\r
 260                     addMaskAugmentation(matchEntriesBuilder, in, SIZE_OF_SHORT_IN_BYTES);\r
 261                 }\r
 262                 break;\r
 263             case 7:\r
 264                 matchEntriesBuilder.setOxmMatchField(VlanPcp.class);\r
 265                 VlanPcpMatchEntryBuilder vlanPcpBuilder = new VlanPcpMatchEntryBuilder();\r
 266                 vlanPcpBuilder.setVlanPcp(in.readUnsignedByte());\r
 267                 matchEntriesBuilder.addAugmentation(VlanPcpMatchEntry.class, vlanPcpBuilder.build());\r
 268                 break;\r
 269             case 8:\r
 270                 matchEntriesBuilder.setOxmMatchField(IpDscp.class);\r
 271                 DscpMatchEntryBuilder dscpBuilder = new DscpMatchEntryBuilder();\r
 272                 dscpBuilder.setDscp(new Dscp(in.readUnsignedByte()));\r
 273                 matchEntriesBuilder.addAugmentation(DscpMatchEntry.class, dscpBuilder.build());\r
 274                 break;\r
 275             case 9:\r
 276                 matchEntriesBuilder.setOxmMatchField(IpEcn.class);\r
 277                 EcnMatchEntryBuilder ecnBuilder = new EcnMatchEntryBuilder();\r
 278                 ecnBuilder.setEcn(in.readUnsignedByte());\r
 279                 matchEntriesBuilder.addAugmentation(EcnMatchEntry.class, ecnBuilder.build());\r
 280                 break;\r
 281             case 10:\r
 282                 matchEntriesBuilder.setOxmMatchField(IpProto.class);\r
 283                 ProtocolNumberMatchEntryBuilder protoNumberBuilder = new ProtocolNumberMatchEntryBuilder();\r
 284                 protoNumberBuilder.setProtocolNumber(in.readUnsignedByte());\r
 285                 matchEntriesBuilder.addAugmentation(ProtocolNumberMatchEntry.class, protoNumberBuilder.build());\r
 286                 break;\r
 287             case 11:\r
 288                 matchEntriesBuilder.setOxmMatchField(Ipv4Src.class);\r
 289                 // TODO - ipv4address - check format with tests\r
 290                 LOGGER.warn("IPV4address(ipv4src): received but possible wrong deserialization");\r
 291                 addIpv4AddressAugmentation(matchEntriesBuilder, in);\r
 292                 if (hasMask) {\r
 293                     addMaskAugmentation(matchEntriesBuilder, in, SIZE_OF_INT_IN_BYTES);\r
 294                 }\r
 295                 break;\r
 296             case 12:\r
 297                 matchEntriesBuilder.setOxmMatchField(Ipv4Dst.class);\r
 298                 // TODO - ipv4address - check format with tests\r
 299                 LOGGER.warn("IPV4address(ipv4dst): received but possible wrong deserialization");\r
 300                 addIpv4AddressAugmentation(matchEntriesBuilder, in);\r
 301                 if (hasMask) {\r
 302                     addMaskAugmentation(matchEntriesBuilder, in, SIZE_OF_INT_IN_BYTES);\r
 303                 }\r
 304                 break;\r
 305             case 13:\r
 306                 matchEntriesBuilder.setOxmMatchField(TcpSrc.class);\r
 307                 addPortAugmentation(null, in);\r
 308                 break;\r
 309             case 14:\r
 310                 matchEntriesBuilder.setOxmMatchField(TcpDst.class);\r
 311                 addPortAugmentation(null, in);\r
 312                 break;\r
 313             case 15:\r
 314                 matchEntriesBuilder.setOxmMatchField(UdpSrc.class);\r
 315                 addPortAugmentation(null, in);\r
 316                 break;\r
 317             case 16:\r
 318                 matchEntriesBuilder.setOxmMatchField(UdpDst.class);\r
 319                 addPortAugmentation(null, in);\r
 320                 break;\r
 321             case 17:\r
 322                 matchEntriesBuilder.setOxmMatchField(SctpSrc.class);\r
 323                 addPortAugmentation(null, in);\r
 324                 break;\r
 325             case 18:\r
 326                 matchEntriesBuilder.setOxmMatchField(SctpDst.class);\r
 327                 addPortAugmentation(null, in);\r
 328                 break;\r
 329             case 19:\r
 330                 matchEntriesBuilder.setOxmMatchField(Icmpv4Type.class);\r
 331                 Icmpv4TypeMatchEntryBuilder icmpv4TypeBuilder = new Icmpv4TypeMatchEntryBuilder();\r
 332                 icmpv4TypeBuilder.setIcmpv4Type(in.readUnsignedByte());\r
 333                 matchEntriesBuilder.addAugmentation(Icmpv4TypeMatchEntry.class, icmpv4TypeBuilder.build());\r
 334                 break;\r
 335             case 20:\r
 336                 matchEntriesBuilder.setOxmMatchField(Icmpv4Code.class);\r
 337                 Icmpv4CodeMatchEntryBuilder icmpv4CodeBuilder = new Icmpv4CodeMatchEntryBuilder();\r
 338                 icmpv4CodeBuilder.setIcmpv4Code(in.readUnsignedByte());\r
 339                 matchEntriesBuilder.addAugmentation(Icmpv4CodeMatchEntry.class, icmpv4CodeBuilder.build());\r
 340                 break;\r
 341             case 21:\r
 342                 matchEntriesBuilder.setOxmMatchField(ArpOp.class);\r
 343                 OpCodeMatchEntryBuilder opcodeBuilder = new OpCodeMatchEntryBuilder();\r
 344                 opcodeBuilder.setOpCode(in.readUnsignedShort());\r
 345                 matchEntriesBuilder.addAugmentation(OpCodeMatchEntry.class, opcodeBuilder.build());\r
 346                 break;\r
 347             case 22:\r
 348                 matchEntriesBuilder.setOxmMatchField(ArpSpa.class);\r
 349                 // TODO - ipv4address - check format with tests\r
 350                 LOGGER.warn("IPV4address(arpspa): received but possible wrong deserialization");\r
 351                 addIpv4AddressAugmentation(matchEntriesBuilder, in);\r
 352                 if (hasMask) {\r
 353                     addMaskAugmentation(matchEntriesBuilder, in, SIZE_OF_INT_IN_BYTES);\r
 354                 }\r
 355                 break;\r
 356             case 23:\r
 357                 matchEntriesBuilder.setOxmMatchField(ArpTpa.class);\r
 358                 // TODO - ipv4address - check format with tests\r
 359                 LOGGER.warn("IPV4address(arptpa): received but possible wrong deserialization");\r
 360                 addIpv4AddressAugmentation(matchEntriesBuilder, in);\r
 361                 if (hasMask) {\r
 362                     addMaskAugmentation(matchEntriesBuilder, in, SIZE_OF_INT_IN_BYTES);\r
 363                 }\r
 364                 break;\r
 365             case 24:\r
 366                 matchEntriesBuilder.setOxmMatchField(ArpSha.class);\r
 367                 addMacAddressAugmentation(matchEntriesBuilder, in);\r
 368                 if (hasMask) {\r
 369                     addMaskAugmentation(matchEntriesBuilder, in, SIZE_OF_LONG_IN_BYTES);\r
 370                 }\r
 371                 break;\r
 372             case 25:\r
 373                 matchEntriesBuilder.setOxmMatchField(ArpTha.class);\r
 374                 addMacAddressAugmentation(matchEntriesBuilder, in);\r
 375                 if (hasMask) {\r
 376                     addMaskAugmentation(matchEntriesBuilder, in, SIZE_OF_LONG_IN_BYTES);\r
 377                 }\r
 378                 break;\r
 379             case 26:\r
 380                 matchEntriesBuilder.setOxmMatchField(Ipv6Src.class);\r
 381                 // TODO - ipv6address - check format with tests\r
 382                 LOGGER.warn("IPV6address(Ipv6Src): received but possible wrong deserialization");\r
 383                 addIpv6AddressAugmentation(matchEntriesBuilder, in);\r
 384                 if (hasMask) {\r
 385                     addMaskAugmentation(matchEntriesBuilder, in, SIZE_OF_IPV6_ADDRESS_IN_BYTES);\r
 386                 }\r
 387                 break;\r
 388             case 27:\r
 389                 matchEntriesBuilder.setOxmMatchField(Ipv6Dst.class);\r
 390                 // TODO - ipv6address - check format with tests\r
 391                 LOGGER.warn("IPV6address(Ipv6Dst): received but possible wrong deserialization");\r
 392                 addIpv6AddressAugmentation(matchEntriesBuilder, in);\r
 393                 if (hasMask) {\r
 394                     addMaskAugmentation(matchEntriesBuilder, in, SIZE_OF_IPV6_ADDRESS_IN_BYTES);\r
 395                 }\r
 396                 break;\r
 397             case 28:\r
 398                 matchEntriesBuilder.setOxmMatchField(Ipv6Flabel.class);\r
 399                 Ipv6FlabelMatchEntryBuilder ipv6FlabelBuilder = new Ipv6FlabelMatchEntryBuilder();\r
 400                 ipv6FlabelBuilder.setIpv6Flabel(new Ipv6FlowLabel(in.readUnsignedInt()));\r
 401                 matchEntriesBuilder.addAugmentation(Ipv6FlabelMatchEntry.class, ipv6FlabelBuilder.build());\r
 402                 if (hasMask) {\r
 403                     addMaskAugmentation(matchEntriesBuilder, in, SIZE_OF_INT_IN_BYTES);\r
 404                 }\r
 405                 break;\r
 406             case 29:\r
 407                 matchEntriesBuilder.setOxmMatchField(Icmpv6Type.class);\r
 408                 Icmpv6TypeMatchEntryBuilder icmpv6TypeBuilder = new Icmpv6TypeMatchEntryBuilder();\r
 409                 icmpv6TypeBuilder.setIcmpv6Type(in.readUnsignedByte());\r
 410                 matchEntriesBuilder.addAugmentation(Icmpv6TypeMatchEntry.class, icmpv6TypeBuilder.build());\r
 411                 break;\r
 412             case 30:\r
 413                 matchEntriesBuilder.setOxmMatchField(Icmpv6Code.class);\r
 414                 Icmpv6CodeMatchEntryBuilder icmpv6CodeBuilder = new Icmpv6CodeMatchEntryBuilder();\r
 415                 icmpv6CodeBuilder.setIcmpv6Code(in.readUnsignedByte());\r
 416                 matchEntriesBuilder.addAugmentation(Icmpv6CodeMatchEntry.class, icmpv6CodeBuilder.build());\r
 417                 break;\r
 418             case 31:\r
 419                 matchEntriesBuilder.setOxmMatchField(Ipv6NdTarget.class);\r
 420                 // TODO - ipv6address - check format with tests\r
 421                 LOGGER.warn("IPV6address(Ipv6NdTarget): received but possible wrong deserialization");\r
 422                 addIpv6AddressAugmentation(matchEntriesBuilder, in);\r
 423                 break;\r
 424             case 32:\r
 425                 matchEntriesBuilder.setOxmMatchField(Ipv6NdSll.class);\r
 426                 addMacAddressAugmentation(matchEntriesBuilder, in);\r
 427                 break;\r
 428             case 33:\r
 429                 matchEntriesBuilder.setOxmMatchField(Ipv6NdTll.class);\r
 430                 addMacAddressAugmentation(matchEntriesBuilder, in);\r
 431                 break;\r
 432             case 34:\r
 433                 matchEntriesBuilder.setOxmMatchField(MplsLabel.class);\r
 434                 MplsLabelMatchEntryBuilder mplsLabelBuilder = new MplsLabelMatchEntryBuilder();\r
 435                 mplsLabelBuilder.setMplsLabel(in.readUnsignedInt());\r
 436                 matchEntriesBuilder.addAugmentation(MplsLabelMatchEntry.class, mplsLabelBuilder.build());\r
 437                 break;\r
 438             case 35:\r
 439                 matchEntriesBuilder.setOxmMatchField(MplsTc.class);\r
 440                 TcMatchEntryBuilder tcBuilder = new TcMatchEntryBuilder();\r
 441                 tcBuilder.setTc(in.readUnsignedByte());\r
 442                 matchEntriesBuilder.addAugmentation(TcMatchEntry.class, tcBuilder.build());\r
 443                 break;\r
 444             case 36:\r
 445                 matchEntriesBuilder.setOxmMatchField(MplsBos.class);\r
 446                 BosMatchEntryBuilder bosBuilder = new BosMatchEntryBuilder();\r
 447                 if (in.readUnsignedByte() != 0) {\r
 448                     bosBuilder.setBos(true);\r
 449                 } else {\r
 450                     bosBuilder.setBos(false);\r
 451                 }\r
 452                 matchEntriesBuilder.addAugmentation(BosMatchEntry.class, bosBuilder.build());\r
 453                 break;\r
 454             case 37:\r
 455                 matchEntriesBuilder.setOxmMatchField(PbbIsid.class);\r
 456                 IsidMatchEntryBuilder isidBuilder = new IsidMatchEntryBuilder();\r
 457                 isidBuilder.setIsid(in.readUnsignedInt());\r
 458                 matchEntriesBuilder.addAugmentation(IsidMatchEntry.class, isidBuilder.build());\r
 459                 if (hasMask) {\r
 460                     addMaskAugmentation(matchEntriesBuilder, in, SIZE_OF_INT_IN_BYTES);\r
 461                 }\r
 462                 break;\r
 463             case 38:\r
 464                 matchEntriesBuilder.setOxmMatchField(TunnelId.class);\r
 465                 addMetadataAugmentation(matchEntriesBuilder, in);\r
 466                 if (hasMask) {\r
 467                     addMaskAugmentation(matchEntriesBuilder, in, SIZE_OF_LONG_IN_BYTES);\r
 468                 }\r
 469                 break;\r
 470             case 39:\r
 471                 matchEntriesBuilder.setOxmMatchField(Ipv6Exthdr.class);\r
 472                 PseudoFieldMatchEntryBuilder pseudoBuilder = new PseudoFieldMatchEntryBuilder();\r
 473                 int bitmap = in.readUnsignedShort();\r
 474                 final Boolean NONEXT = ((bitmap) & (1<<0)) != 0;\r
 475                 final Boolean ESP = ((bitmap) & (1<<1)) != 0;\r
 476                 final Boolean AUTH = ((bitmap) & (1<<2)) != 0;\r
 477                 final Boolean DEST = ((bitmap) & (1<<3)) != 0;\r
 478                 final Boolean FRAG = ((bitmap) & (1<<4)) != 0;\r
 479                 final Boolean ROUTER = ((bitmap) & (1<<5)) != 0;\r
 480                 final Boolean HOP = ((bitmap) & (1<<6)) != 0;\r
 481                 final Boolean UNREP = ((bitmap) & (1<<7)) != 0;\r
 482                 final Boolean UNSEQ = ((bitmap) & (1<<8)) != 0;\r
 483                 pseudoBuilder.setPseudoField(new PseudoField(AUTH, DEST, ESP, FRAG, HOP, NONEXT, ROUTER, UNREP, UNSEQ));\r
 484                 matchEntriesBuilder.addAugmentation(PseudoFieldMatchEntry.class, pseudoBuilder.build());\r
 485                 if (hasMask) {\r
 486                     addMaskAugmentation(matchEntriesBuilder, in, SIZE_OF_SHORT_IN_BYTES);\r
 487                 }\r
 488                 break;\r
 489             default: \r
 490                 break;\r
 491             }\r
 492           matchEntriesList.add(matchEntriesBuilder.build());\r
 493           if (oneEntry) {\r
 494               break;\r
 495           }\r
 496         }\r
 497         if ((matchLength - currLength) > 0) {\r
 498             in.skipBytes(matchLength - currLength);\r
 499         }\r
 500         return matchEntriesList;\r
 501     }\r
 502 \r
 503     private static void addMaskAugmentation(MatchEntriesBuilder builder, ByteBuf in, int matchEntryLength) {\r
 504 //         TODO - check if matchEntryLength is in bytes\r
 505         MaskMatchEntryBuilder maskBuilder = new MaskMatchEntryBuilder();\r
 506         byte[] mask = new byte[matchEntryLength];\r
 507         in.readBytes(mask);\r
 508         maskBuilder.setMask(mask);\r
 509         builder.addAugmentation(MaskMatchEntry.class, maskBuilder.build());\r
 510     }\r
 511 \r
 512     private static void addIpv6AddressAugmentation(MatchEntriesBuilder builder, ByteBuf in) {\r
 513         final byte GROUPS_IN_IPV6_ADDRESS = 8;\r
 514         Ipv6AddressMatchEntryBuilder ipv6AddressBuilder = new Ipv6AddressMatchEntryBuilder();\r
 515         List<String> groups = new ArrayList<>();\r
 516         for (int i = 0; i < GROUPS_IN_IPV6_ADDRESS; i++) {\r
 517             groups.add(String.format("X", in.readUnsignedShort()));\r
 518         }\r
 519         Joiner joiner = Joiner.on(":");\r
 520         ipv6AddressBuilder.setIpv6Address(new Ipv6Address(joiner.join(groups)));\r
 521         builder.addAugmentation(Ipv6AddressMatchEntry.class, ipv6AddressBuilder.build());\r
 522     }\r
 523     \r
 524     private static void addMetadataAugmentation(MatchEntriesBuilder builder, ByteBuf in) {\r
 525         MetadataMatchEntryBuilder metadata = new MetadataMatchEntryBuilder();\r
 526         byte[] metadataBytes = new byte[Long.SIZE/Byte.SIZE];\r
 527         in.readBytes(metadataBytes);\r
 528         metadata.setMetadata(metadataBytes); \r
 529         builder.addAugmentation(MetadataMatchEntry.class, metadata.build());\r
 530     }\r
 531 \r
 532     private static void addIpv4AddressAugmentation(MatchEntriesBuilder builder, ByteBuf in) {\r
 533         final byte GROUPS_IN_IPV4_ADDRESS = 4;\r
 534         Ipv4AddressMatchEntryBuilder ipv4AddressBuilder = new Ipv4AddressMatchEntryBuilder();\r
 535         List<String> groups = new ArrayList<>();\r
 536         for (int i = 0; i < GROUPS_IN_IPV4_ADDRESS; i++) {\r
 537             groups.add(Short.toString(in.readUnsignedByte()));\r
 538         }\r
 539         Joiner joiner = Joiner.on(".");\r
 540         ipv4AddressBuilder.setIpv4Address(new Ipv4Address(joiner.join(groups)));\r
 541         builder.addAugmentation(Ipv4AddressMatchEntry.class, ipv4AddressBuilder.build());\r
 542     }\r
 543 \r
 544     private static void addMacAddressAugmentation(MatchEntriesBuilder builder, ByteBuf in) {\r
 545         MacAddressMatchEntryBuilder macAddress = new MacAddressMatchEntryBuilder();\r
 546         StringBuffer macToString = new StringBuffer();\r
 547         final int macAddressLength = 6;\r
 548         for(int i=0; i<macAddressLength ; i++){\r
 549             short mac = 0;\r
 550             mac = in.readUnsignedByte();\r
 551             macToString.append(String.format("%02X", mac));\r
 552         }\r
 553         macAddress.setMacAddress(new MacAddress(macToString.toString())); \r
 554         builder.addAugmentation(MacAddressMatchEntry.class, macAddress.build());\r
 555     }\r
 556     \r
 557     private static void addPortAugmentation(MatchEntriesBuilder builder, ByteBuf in) {\r
 558         PortMatchEntryBuilder portBuilder = new PortMatchEntryBuilder();\r
 559         portBuilder.setPort(new org.opendaylight.yang.gen.v1.urn.ietf.params.\r
 560                 xml.ns.yang.ietf.inet.types.rev100924.PortNumber(in.readUnsignedShort()));\r
 561         builder.addAugmentation(PortMatchEntry.class, portBuilder.build());\r
 562     }\r
 563 }\r