X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=openflow-protocol-impl%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fopenflowjava%2Fprotocol%2Fimpl%2Futil%2FMatchDeserializer.java;h=fe05bf92da45c72c1188dd51f637376120b1c5ab;hb=a4af04c204a636b6c0782cc2248068e0860a69ad;hp=d17f3a0a29fd509089dd971efbf06e35eca88ca5;hpb=09a089ee658f6fc1627b5eafdbb29249e7c7ffb9;p=openflowjava.git diff --git a/openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/util/MatchDeserializer.java b/openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/util/MatchDeserializer.java index d17f3a0a..fe05bf92 100644 --- a/openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/util/MatchDeserializer.java +++ b/openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/util/MatchDeserializer.java @@ -1,563 +1,550 @@ -/* Copyright (C)2013 Pantheon Technologies, s.r.o. All rights reserved. */ -package org.opendaylight.openflowjava.protocol.impl.util; - -import io.netty.buffer.ByteBuf; - -import java.util.ArrayList; -import java.util.List; - -import org.opendaylight.openflowjava.protocol.impl.serialization.factories.EncodeConstants; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Dscp; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Address; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv6Address; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv6FlowLabel; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev100924.MacAddress; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.BosMatchEntry; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.BosMatchEntryBuilder; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.DscpMatchEntry; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.DscpMatchEntryBuilder; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.EcnMatchEntry; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.EcnMatchEntryBuilder; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.EthTypeMatchEntry; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.EthTypeMatchEntryBuilder; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Icmpv4CodeMatchEntry; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Icmpv4CodeMatchEntryBuilder; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Icmpv4TypeMatchEntry; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Icmpv4TypeMatchEntryBuilder; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Icmpv6CodeMatchEntry; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Icmpv6CodeMatchEntryBuilder; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Icmpv6TypeMatchEntry; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Icmpv6TypeMatchEntryBuilder; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Ipv4AddressMatchEntry; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Ipv4AddressMatchEntryBuilder; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Ipv6AddressMatchEntry; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Ipv6AddressMatchEntryBuilder; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Ipv6FlabelMatchEntry; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Ipv6FlabelMatchEntryBuilder; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.IsidMatchEntry; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.IsidMatchEntryBuilder; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MacAddressMatchEntry; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MacAddressMatchEntryBuilder; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MaskMatchEntry; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MaskMatchEntryBuilder; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MetadataMatchEntry; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MetadataMatchEntryBuilder; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MplsLabelMatchEntry; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MplsLabelMatchEntryBuilder; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.OpCodeMatchEntry; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.OpCodeMatchEntryBuilder; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.PortMatchEntry; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.PortMatchEntryBuilder; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.PortNumberMatchEntry; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.PortNumberMatchEntryBuilder; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.ProtocolNumberMatchEntry; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.ProtocolNumberMatchEntryBuilder; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.PseudoFieldMatchEntry; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.PseudoFieldMatchEntry.PseudoField; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.PseudoFieldMatchEntryBuilder; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.TcMatchEntry; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.TcMatchEntryBuilder; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.VlanPcpMatchEntry; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.VlanPcpMatchEntryBuilder; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.VlanVidMatchEntry; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.VlanVidMatchEntryBuilder; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.EtherType; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortNumber; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.StandardMatchType; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.ArpOp; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.ArpSha; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.ArpSpa; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.ArpTha; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.ArpTpa; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.EthDst; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.EthSrc; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.EthType; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.ExperimenterClass; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Icmpv4Code; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Icmpv4Type; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Icmpv6Code; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Icmpv6Type; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.InPhyPort; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.InPort; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.IpDscp; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.IpEcn; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.IpProto; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv4Dst; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv4Src; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv6Dst; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv6Exthdr; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv6Flabel; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv6NdSll; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv6NdTarget; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv6NdTll; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv6Src; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Metadata; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.MplsBos; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.MplsLabel; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.MplsTc; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Nxm0Class; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Nxm1Class; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.OpenflowBasicClass; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.OxmMatchType; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.PbbIsid; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.SctpDst; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.SctpSrc; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.TcpDst; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.TcpSrc; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.TunnelId; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.UdpDst; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.UdpSrc; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.VlanPcp; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.VlanVid; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.oxm.fields.MatchEntries; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.oxm.fields.MatchEntriesBuilder; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.match.grouping.Match; -import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.match.grouping.MatchBuilder; -import org.slf4j.Logger; -import org.slf4j.LoggerFactory; - -import com.google.common.base.Joiner; - -/** - * Deserializes ofp_match (OpenFlow v1.3) and its oxm_fields structures - * @author timotej.kubas - * @author michal.polkorab - */ -public abstract class MatchDeserializer { - private static final Logger LOGGER = LoggerFactory.getLogger(MatchDeserializer.class); - private static final byte SIZE_OF_LONG_IN_BYTES = Long.SIZE / Byte.SIZE; - private static final byte SIZE_OF_INT_IN_BYTES = Integer.SIZE / Byte.SIZE; - private static final byte SIZE_OF_SHORT_IN_BYTES = Short.SIZE / Byte.SIZE; - private static final byte SIZE_OF_BYTE_IN_BYTES = Byte.SIZE / Byte.SIZE; - private static final byte SIZE_OF_IPV6_ADDRESS_IN_BYTES = (8 * Short.SIZE) / Byte.SIZE; - - - /** - * Creates match - * @param in input ByteBuf - * @return ofp_match (OpenFlow v1.3) - */ - public static Match createMatch(ByteBuf in) { - if (in.readableBytes() > 0) { - MatchBuilder builder = new MatchBuilder(); - int type = in.readUnsignedShort(); - int length = in.readUnsignedShort(); - switch (type) { - case 0: - builder.setType(StandardMatchType.class); - break; - case 1: - builder.setType(OxmMatchType.class); - break; - default: - break; - } - builder.setMatchEntries(createMatchEntries(in, length - 2 * (Short.SIZE / Byte.SIZE))); - int paddingRemainder = length % EncodeConstants.PADDING; - if (paddingRemainder != 0) { - in.skipBytes(EncodeConstants.PADDING - paddingRemainder); - } - return builder.build(); - } - return null; - } - - /** - * Deserializes single match entry (oxm_field) - * @param in input ByteBuf - * @param matchLength length of match entry - * @return MatchEntriesList list containing one match entry - */ - public static List createMatchEntry(ByteBuf in, int matchLength) { - return createMatchEntriesInternal(in, matchLength, true); - } - - /** - * @param in input ByteBuf - * @param matchLength length of match entries - * @return MatchEntriesList list of match entries - */ - public static List createMatchEntries(ByteBuf in, int matchLength) { - return createMatchEntriesInternal(in, matchLength, false); - } - - private static List createMatchEntriesInternal(ByteBuf in, int matchLength, boolean oneEntry) { - List matchEntriesList = new ArrayList<>(); - int currLength = 0; - while(currLength < matchLength) { - MatchEntriesBuilder matchEntriesBuilder = new MatchEntriesBuilder(); - switch (in.readUnsignedShort()) { - case 0x0000: - matchEntriesBuilder.setOxmClass(Nxm0Class.class); - break; - case 0x0001: - matchEntriesBuilder.setOxmClass(Nxm1Class.class); - break; - case 0x8000: - matchEntriesBuilder.setOxmClass(OpenflowBasicClass.class); - break; - case 0xFFFF: - matchEntriesBuilder.setOxmClass(ExperimenterClass.class); - break; - default: - break; - } - - int fieldAndMask = in.readUnsignedByte(); - boolean hasMask = (fieldAndMask & 1) != 0; - int matchField = fieldAndMask >> 1; - int matchEntryLength = in.readUnsignedByte(); - currLength += SIZE_OF_SHORT_IN_BYTES + (2 * SIZE_OF_BYTE_IN_BYTES) + matchEntryLength; - - switch(matchField) { - case 0: - matchEntriesBuilder.setOxmMatchField(InPort.class); - PortNumberMatchEntryBuilder port = new PortNumberMatchEntryBuilder(); - port.setPortNumber(new PortNumber(in.readUnsignedInt())); - matchEntriesBuilder.addAugmentation(PortNumberMatchEntry.class, port.build()); - break; - case 1: - matchEntriesBuilder.setOxmMatchField(InPhyPort.class); - PortNumberMatchEntryBuilder phyPort = new PortNumberMatchEntryBuilder(); - phyPort.setPortNumber(new PortNumber(in.readUnsignedInt())); - matchEntriesBuilder.addAugmentation(PortNumberMatchEntry.class, phyPort.build()); - break; - case 2: - matchEntriesBuilder.setOxmMatchField(Metadata.class); - addMetadataAugmentation(matchEntriesBuilder, in); - if (hasMask) { - addMaskAugmentation(matchEntriesBuilder, in, SIZE_OF_LONG_IN_BYTES); - } - break; - case 3: - matchEntriesBuilder.setOxmMatchField(EthDst.class); - addMacAddressAugmentation(matchEntriesBuilder, in); - if (hasMask) { - addMaskAugmentation(matchEntriesBuilder, in, SIZE_OF_LONG_IN_BYTES); - } - break; - case 4: - matchEntriesBuilder.setOxmMatchField(EthSrc.class); - addMacAddressAugmentation(matchEntriesBuilder, in); - if (hasMask) { - addMaskAugmentation(matchEntriesBuilder, in, SIZE_OF_LONG_IN_BYTES); - } - break; - case 5: - matchEntriesBuilder.setOxmMatchField(EthType.class); - EthTypeMatchEntryBuilder ethertypeBuilder = new EthTypeMatchEntryBuilder(); - ethertypeBuilder.setEthType(new EtherType(in.readUnsignedShort())); - matchEntriesBuilder.addAugmentation(EthTypeMatchEntry.class, ethertypeBuilder.build()); - break; - case 6: - matchEntriesBuilder.setOxmMatchField(VlanVid.class); - VlanVidMatchEntryBuilder vlanVidBuilder = new VlanVidMatchEntryBuilder(); - int vidEntryValue = in.readUnsignedShort(); - vlanVidBuilder.setCfiBit((vidEntryValue & 1) != 0); - vlanVidBuilder.setVlanVid(vidEntryValue >> 1); - matchEntriesBuilder.addAugmentation(VlanVidMatchEntry.class, vlanVidBuilder.build()); - if (hasMask) { - addMaskAugmentation(matchEntriesBuilder, in, SIZE_OF_SHORT_IN_BYTES); - } - break; - case 7: - matchEntriesBuilder.setOxmMatchField(VlanPcp.class); - VlanPcpMatchEntryBuilder vlanPcpBuilder = new VlanPcpMatchEntryBuilder(); - vlanPcpBuilder.setVlanPcp(in.readUnsignedByte()); - matchEntriesBuilder.addAugmentation(VlanPcpMatchEntry.class, vlanPcpBuilder.build()); - break; - case 8: - matchEntriesBuilder.setOxmMatchField(IpDscp.class); - DscpMatchEntryBuilder dscpBuilder = new DscpMatchEntryBuilder(); - dscpBuilder.setDscp(new Dscp(in.readUnsignedByte())); - matchEntriesBuilder.addAugmentation(DscpMatchEntry.class, dscpBuilder.build()); - break; - case 9: - matchEntriesBuilder.setOxmMatchField(IpEcn.class); - EcnMatchEntryBuilder ecnBuilder = new EcnMatchEntryBuilder(); - ecnBuilder.setEcn(in.readUnsignedByte()); - matchEntriesBuilder.addAugmentation(EcnMatchEntry.class, ecnBuilder.build()); - break; - case 10: - matchEntriesBuilder.setOxmMatchField(IpProto.class); - ProtocolNumberMatchEntryBuilder protoNumberBuilder = new ProtocolNumberMatchEntryBuilder(); - protoNumberBuilder.setProtocolNumber(in.readUnsignedByte()); - matchEntriesBuilder.addAugmentation(ProtocolNumberMatchEntry.class, protoNumberBuilder.build()); - break; - case 11: - matchEntriesBuilder.setOxmMatchField(Ipv4Src.class); - // TODO - ipv4address - check format with tests - LOGGER.warn("IPV4address(ipv4src): received but possible wrong deserialization"); - addIpv4AddressAugmentation(matchEntriesBuilder, in); - if (hasMask) { - addMaskAugmentation(matchEntriesBuilder, in, SIZE_OF_INT_IN_BYTES); - } - break; - case 12: - matchEntriesBuilder.setOxmMatchField(Ipv4Dst.class); - // TODO - ipv4address - check format with tests - LOGGER.warn("IPV4address(ipv4dst): received but possible wrong deserialization"); - addIpv4AddressAugmentation(matchEntriesBuilder, in); - if (hasMask) { - addMaskAugmentation(matchEntriesBuilder, in, SIZE_OF_INT_IN_BYTES); - } - break; - case 13: - matchEntriesBuilder.setOxmMatchField(TcpSrc.class); - addPortAugmentation(null, in); - break; - case 14: - matchEntriesBuilder.setOxmMatchField(TcpDst.class); - addPortAugmentation(null, in); - break; - case 15: - matchEntriesBuilder.setOxmMatchField(UdpSrc.class); - addPortAugmentation(null, in); - break; - case 16: - matchEntriesBuilder.setOxmMatchField(UdpDst.class); - addPortAugmentation(null, in); - break; - case 17: - matchEntriesBuilder.setOxmMatchField(SctpSrc.class); - addPortAugmentation(null, in); - break; - case 18: - matchEntriesBuilder.setOxmMatchField(SctpDst.class); - addPortAugmentation(null, in); - break; - case 19: - matchEntriesBuilder.setOxmMatchField(Icmpv4Type.class); - Icmpv4TypeMatchEntryBuilder icmpv4TypeBuilder = new Icmpv4TypeMatchEntryBuilder(); - icmpv4TypeBuilder.setIcmpv4Type(in.readUnsignedByte()); - matchEntriesBuilder.addAugmentation(Icmpv4TypeMatchEntry.class, icmpv4TypeBuilder.build()); - break; - case 20: - matchEntriesBuilder.setOxmMatchField(Icmpv4Code.class); - Icmpv4CodeMatchEntryBuilder icmpv4CodeBuilder = new Icmpv4CodeMatchEntryBuilder(); - icmpv4CodeBuilder.setIcmpv4Code(in.readUnsignedByte()); - matchEntriesBuilder.addAugmentation(Icmpv4CodeMatchEntry.class, icmpv4CodeBuilder.build()); - break; - case 21: - matchEntriesBuilder.setOxmMatchField(ArpOp.class); - OpCodeMatchEntryBuilder opcodeBuilder = new OpCodeMatchEntryBuilder(); - opcodeBuilder.setOpCode(in.readUnsignedShort()); - matchEntriesBuilder.addAugmentation(OpCodeMatchEntry.class, opcodeBuilder.build()); - break; - case 22: - matchEntriesBuilder.setOxmMatchField(ArpSpa.class); - // TODO - ipv4address - check format with tests - LOGGER.warn("IPV4address(arpspa): received but possible wrong deserialization"); - addIpv4AddressAugmentation(matchEntriesBuilder, in); - if (hasMask) { - addMaskAugmentation(matchEntriesBuilder, in, SIZE_OF_INT_IN_BYTES); - } - break; - case 23: - matchEntriesBuilder.setOxmMatchField(ArpTpa.class); - // TODO - ipv4address - check format with tests - LOGGER.warn("IPV4address(arptpa): received but possible wrong deserialization"); - addIpv4AddressAugmentation(matchEntriesBuilder, in); - if (hasMask) { - addMaskAugmentation(matchEntriesBuilder, in, SIZE_OF_INT_IN_BYTES); - } - break; - case 24: - matchEntriesBuilder.setOxmMatchField(ArpSha.class); - addMacAddressAugmentation(matchEntriesBuilder, in); - if (hasMask) { - addMaskAugmentation(matchEntriesBuilder, in, SIZE_OF_LONG_IN_BYTES); - } - break; - case 25: - matchEntriesBuilder.setOxmMatchField(ArpTha.class); - addMacAddressAugmentation(matchEntriesBuilder, in); - if (hasMask) { - addMaskAugmentation(matchEntriesBuilder, in, SIZE_OF_LONG_IN_BYTES); - } - break; - case 26: - matchEntriesBuilder.setOxmMatchField(Ipv6Src.class); - // TODO - ipv6address - check format with tests - LOGGER.warn("IPV6address(Ipv6Src): received but possible wrong deserialization"); - addIpv6AddressAugmentation(matchEntriesBuilder, in); - if (hasMask) { - addMaskAugmentation(matchEntriesBuilder, in, SIZE_OF_IPV6_ADDRESS_IN_BYTES); - } - break; - case 27: - matchEntriesBuilder.setOxmMatchField(Ipv6Dst.class); - // TODO - ipv6address - check format with tests - LOGGER.warn("IPV6address(Ipv6Dst): received but possible wrong deserialization"); - addIpv6AddressAugmentation(matchEntriesBuilder, in); - if (hasMask) { - addMaskAugmentation(matchEntriesBuilder, in, SIZE_OF_IPV6_ADDRESS_IN_BYTES); - } - break; - case 28: - matchEntriesBuilder.setOxmMatchField(Ipv6Flabel.class); - Ipv6FlabelMatchEntryBuilder ipv6FlabelBuilder = new Ipv6FlabelMatchEntryBuilder(); - ipv6FlabelBuilder.setIpv6Flabel(new Ipv6FlowLabel(in.readUnsignedInt())); - matchEntriesBuilder.addAugmentation(Ipv6FlabelMatchEntry.class, ipv6FlabelBuilder.build()); - if (hasMask) { - addMaskAugmentation(matchEntriesBuilder, in, SIZE_OF_INT_IN_BYTES); - } - break; - case 29: - matchEntriesBuilder.setOxmMatchField(Icmpv6Type.class); - Icmpv6TypeMatchEntryBuilder icmpv6TypeBuilder = new Icmpv6TypeMatchEntryBuilder(); - icmpv6TypeBuilder.setIcmpv6Type(in.readUnsignedByte()); - matchEntriesBuilder.addAugmentation(Icmpv6TypeMatchEntry.class, icmpv6TypeBuilder.build()); - break; - case 30: - matchEntriesBuilder.setOxmMatchField(Icmpv6Code.class); - Icmpv6CodeMatchEntryBuilder icmpv6CodeBuilder = new Icmpv6CodeMatchEntryBuilder(); - icmpv6CodeBuilder.setIcmpv6Code(in.readUnsignedByte()); - matchEntriesBuilder.addAugmentation(Icmpv6CodeMatchEntry.class, icmpv6CodeBuilder.build()); - break; - case 31: - matchEntriesBuilder.setOxmMatchField(Ipv6NdTarget.class); - // TODO - ipv6address - check format with tests - LOGGER.warn("IPV6address(Ipv6NdTarget): received but possible wrong deserialization"); - addIpv6AddressAugmentation(matchEntriesBuilder, in); - break; - case 32: - matchEntriesBuilder.setOxmMatchField(Ipv6NdSll.class); - addMacAddressAugmentation(matchEntriesBuilder, in); - break; - case 33: - matchEntriesBuilder.setOxmMatchField(Ipv6NdTll.class); - addMacAddressAugmentation(matchEntriesBuilder, in); - break; - case 34: - matchEntriesBuilder.setOxmMatchField(MplsLabel.class); - MplsLabelMatchEntryBuilder mplsLabelBuilder = new MplsLabelMatchEntryBuilder(); - mplsLabelBuilder.setMplsLabel(in.readUnsignedInt()); - matchEntriesBuilder.addAugmentation(MplsLabelMatchEntry.class, mplsLabelBuilder.build()); - break; - case 35: - matchEntriesBuilder.setOxmMatchField(MplsTc.class); - TcMatchEntryBuilder tcBuilder = new TcMatchEntryBuilder(); - tcBuilder.setTc(in.readUnsignedByte()); - matchEntriesBuilder.addAugmentation(TcMatchEntry.class, tcBuilder.build()); - break; - case 36: - matchEntriesBuilder.setOxmMatchField(MplsBos.class); - BosMatchEntryBuilder bosBuilder = new BosMatchEntryBuilder(); - if (in.readUnsignedByte() != 0) { - bosBuilder.setBos(true); - } else { - bosBuilder.setBos(false); - } - matchEntriesBuilder.addAugmentation(BosMatchEntry.class, bosBuilder.build()); - break; - case 37: - matchEntriesBuilder.setOxmMatchField(PbbIsid.class); - IsidMatchEntryBuilder isidBuilder = new IsidMatchEntryBuilder(); - isidBuilder.setIsid(in.readUnsignedInt()); - matchEntriesBuilder.addAugmentation(IsidMatchEntry.class, isidBuilder.build()); - if (hasMask) { - addMaskAugmentation(matchEntriesBuilder, in, SIZE_OF_INT_IN_BYTES); - } - break; - case 38: - matchEntriesBuilder.setOxmMatchField(TunnelId.class); - addMetadataAugmentation(matchEntriesBuilder, in); - if (hasMask) { - addMaskAugmentation(matchEntriesBuilder, in, SIZE_OF_LONG_IN_BYTES); - } - break; - case 39: - matchEntriesBuilder.setOxmMatchField(Ipv6Exthdr.class); - PseudoFieldMatchEntryBuilder pseudoBuilder = new PseudoFieldMatchEntryBuilder(); - int bitmap = in.readUnsignedShort(); - final Boolean NONEXT = ((bitmap) & (1<<0)) != 0; - final Boolean ESP = ((bitmap) & (1<<1)) != 0; - final Boolean AUTH = ((bitmap) & (1<<2)) != 0; - final Boolean DEST = ((bitmap) & (1<<3)) != 0; - final Boolean FRAG = ((bitmap) & (1<<4)) != 0; - final Boolean ROUTER = ((bitmap) & (1<<5)) != 0; - final Boolean HOP = ((bitmap) & (1<<6)) != 0; - final Boolean UNREP = ((bitmap) & (1<<7)) != 0; - final Boolean UNSEQ = ((bitmap) & (1<<8)) != 0; - pseudoBuilder.setPseudoField(new PseudoField(AUTH, DEST, ESP, FRAG, HOP, NONEXT, ROUTER, UNREP, UNSEQ)); - matchEntriesBuilder.addAugmentation(PseudoFieldMatchEntry.class, pseudoBuilder.build()); - if (hasMask) { - addMaskAugmentation(matchEntriesBuilder, in, SIZE_OF_SHORT_IN_BYTES); - } - break; - default: - break; - } - matchEntriesList.add(matchEntriesBuilder.build()); - if (oneEntry) { - break; - } - } - if ((matchLength - currLength) > 0) { - in.skipBytes(matchLength - currLength); - } - return matchEntriesList; - } - - private static void addMaskAugmentation(MatchEntriesBuilder builder, ByteBuf in, int matchEntryLength) { -// TODO - check if matchEntryLength is in bytes - MaskMatchEntryBuilder maskBuilder = new MaskMatchEntryBuilder(); - byte[] mask = new byte[matchEntryLength]; - in.readBytes(mask); - maskBuilder.setMask(mask); - builder.addAugmentation(MaskMatchEntry.class, maskBuilder.build()); - } - - private static void addIpv6AddressAugmentation(MatchEntriesBuilder builder, ByteBuf in) { - final byte GROUPS_IN_IPV6_ADDRESS = 8; - Ipv6AddressMatchEntryBuilder ipv6AddressBuilder = new Ipv6AddressMatchEntryBuilder(); - List groups = new ArrayList<>(); - for (int i = 0; i < GROUPS_IN_IPV6_ADDRESS; i++) { - groups.add(String.format("X", in.readUnsignedShort())); - } - Joiner joiner = Joiner.on(":"); - ipv6AddressBuilder.setIpv6Address(new Ipv6Address(joiner.join(groups))); - builder.addAugmentation(Ipv6AddressMatchEntry.class, ipv6AddressBuilder.build()); - } - - private static void addMetadataAugmentation(MatchEntriesBuilder builder, ByteBuf in) { - MetadataMatchEntryBuilder metadata = new MetadataMatchEntryBuilder(); - byte[] metadataBytes = new byte[Long.SIZE/Byte.SIZE]; - in.readBytes(metadataBytes); - metadata.setMetadata(metadataBytes); - builder.addAugmentation(MetadataMatchEntry.class, metadata.build()); - } - - private static void addIpv4AddressAugmentation(MatchEntriesBuilder builder, ByteBuf in) { - final byte GROUPS_IN_IPV4_ADDRESS = 4; - Ipv4AddressMatchEntryBuilder ipv4AddressBuilder = new Ipv4AddressMatchEntryBuilder(); - List groups = new ArrayList<>(); - for (int i = 0; i < GROUPS_IN_IPV4_ADDRESS; i++) { - groups.add(Short.toString(in.readUnsignedByte())); - } - Joiner joiner = Joiner.on("."); - ipv4AddressBuilder.setIpv4Address(new Ipv4Address(joiner.join(groups))); - builder.addAugmentation(Ipv4AddressMatchEntry.class, ipv4AddressBuilder.build()); - } - - private static void addMacAddressAugmentation(MatchEntriesBuilder builder, ByteBuf in) { - MacAddressMatchEntryBuilder macAddress = new MacAddressMatchEntryBuilder(); - StringBuffer macToString = new StringBuffer(); - final int macAddressLength = 6; - for(int i=0; i 0) { + MatchBuilder builder = new MatchBuilder(); + int type = in.readUnsignedShort(); + int length = in.readUnsignedShort(); + switch (type) { + case 0: + builder.setType(StandardMatchType.class); + break; + case 1: + builder.setType(OxmMatchType.class); + break; + default: + break; + } + builder.setMatchEntries(createMatchEntries(in, length - 2 * (EncodeConstants.SIZE_OF_SHORT_IN_BYTES))); + int paddingRemainder = length % EncodeConstants.PADDING; + if (paddingRemainder != 0) { + in.skipBytes(EncodeConstants.PADDING - paddingRemainder); + } + return builder.build(); + } + return null; + } + + /** + * Deserializes single match entry (oxm_field) + * @param in input ByteBuf + * @param matchLength length of match entry + * @return MatchEntriesList list containing one match entry + */ + public static List createMatchEntry(ByteBuf in, int matchLength) { + return createMatchEntriesInternal(in, matchLength, true); + } + + /** + * @param in input ByteBuf + * @param matchLength length of match entries + * @return MatchEntriesList list of match entries + */ + public static List createMatchEntries(ByteBuf in, int matchLength) { + return createMatchEntriesInternal(in, matchLength, false); + } + + private static List createMatchEntriesInternal(ByteBuf in, int matchLength, boolean oneEntry) { + List matchEntriesList = new ArrayList<>(); + int currLength = 0; + while(currLength < matchLength) { + MatchEntriesBuilder matchEntriesBuilder = new MatchEntriesBuilder(); + switch (in.readUnsignedShort()) { + case 0x0000: + matchEntriesBuilder.setOxmClass(Nxm0Class.class); + break; + case 0x0001: + matchEntriesBuilder.setOxmClass(Nxm1Class.class); + break; + case 0x8000: + matchEntriesBuilder.setOxmClass(OpenflowBasicClass.class); + break; + case 0xFFFF: + matchEntriesBuilder.setOxmClass(ExperimenterClass.class); + break; + default: + break; + } + + int fieldAndMask = in.readUnsignedByte(); + boolean hasMask = (fieldAndMask & 1) != 0; + matchEntriesBuilder.setHasMask(hasMask); + int matchField = fieldAndMask >> 1; + int matchEntryLength = in.readUnsignedByte(); + currLength += EncodeConstants.SIZE_OF_SHORT_IN_BYTES + + (2 * EncodeConstants.SIZE_OF_BYTE_IN_BYTES) + matchEntryLength; + + switch(matchField) { + case 0: + matchEntriesBuilder.setOxmMatchField(InPort.class); + PortNumberMatchEntryBuilder port = new PortNumberMatchEntryBuilder(); + port.setPortNumber(new PortNumber(in.readUnsignedInt())); + matchEntriesBuilder.addAugmentation(PortNumberMatchEntry.class, port.build()); + break; + case 1: + matchEntriesBuilder.setOxmMatchField(InPhyPort.class); + PortNumberMatchEntryBuilder phyPort = new PortNumberMatchEntryBuilder(); + phyPort.setPortNumber(new PortNumber(in.readUnsignedInt())); + matchEntriesBuilder.addAugmentation(PortNumberMatchEntry.class, phyPort.build()); + break; + case 2: + matchEntriesBuilder.setOxmMatchField(Metadata.class); + addMetadataAugmentation(matchEntriesBuilder, in); + if (hasMask) { + addMaskAugmentation(matchEntriesBuilder, in, EncodeConstants.SIZE_OF_LONG_IN_BYTES); + } + break; + case 3: + matchEntriesBuilder.setOxmMatchField(EthDst.class); + addMacAddressAugmentation(matchEntriesBuilder, in); + if (hasMask) { + addMaskAugmentation(matchEntriesBuilder, in, EncodeConstants.MAC_ADDRESS_LENGTH); + } + break; + case 4: + matchEntriesBuilder.setOxmMatchField(EthSrc.class); + addMacAddressAugmentation(matchEntriesBuilder, in); + if (hasMask) { + addMaskAugmentation(matchEntriesBuilder, in, EncodeConstants.MAC_ADDRESS_LENGTH); + } + break; + case 5: + matchEntriesBuilder.setOxmMatchField(EthType.class); + EthTypeMatchEntryBuilder ethertypeBuilder = new EthTypeMatchEntryBuilder(); + ethertypeBuilder.setEthType(new EtherType(in.readUnsignedShort())); + matchEntriesBuilder.addAugmentation(EthTypeMatchEntry.class, ethertypeBuilder.build()); + break; + case 6: + matchEntriesBuilder.setOxmMatchField(VlanVid.class); + VlanVidMatchEntryBuilder vlanVidBuilder = new VlanVidMatchEntryBuilder(); + int vidEntryValue = in.readUnsignedShort(); + vlanVidBuilder.setCfiBit((vidEntryValue & (1 << 12)) != 0); // cfi is 13-th bit + vlanVidBuilder.setVlanVid(vidEntryValue & ((1 << 12) - 1)); // value without 13-th bit + matchEntriesBuilder.addAugmentation(VlanVidMatchEntry.class, vlanVidBuilder.build()); + if (hasMask) { + addMaskAugmentation(matchEntriesBuilder, in, EncodeConstants.SIZE_OF_SHORT_IN_BYTES); + } + break; + case 7: + matchEntriesBuilder.setOxmMatchField(VlanPcp.class); + VlanPcpMatchEntryBuilder vlanPcpBuilder = new VlanPcpMatchEntryBuilder(); + vlanPcpBuilder.setVlanPcp(in.readUnsignedByte()); + matchEntriesBuilder.addAugmentation(VlanPcpMatchEntry.class, vlanPcpBuilder.build()); + break; + case 8: + matchEntriesBuilder.setOxmMatchField(IpDscp.class); + DscpMatchEntryBuilder dscpBuilder = new DscpMatchEntryBuilder(); + dscpBuilder.setDscp(new Dscp(in.readUnsignedByte())); + matchEntriesBuilder.addAugmentation(DscpMatchEntry.class, dscpBuilder.build()); + break; + case 9: + matchEntriesBuilder.setOxmMatchField(IpEcn.class); + EcnMatchEntryBuilder ecnBuilder = new EcnMatchEntryBuilder(); + ecnBuilder.setEcn(in.readUnsignedByte()); + matchEntriesBuilder.addAugmentation(EcnMatchEntry.class, ecnBuilder.build()); + break; + case 10: + matchEntriesBuilder.setOxmMatchField(IpProto.class); + ProtocolNumberMatchEntryBuilder protoNumberBuilder = new ProtocolNumberMatchEntryBuilder(); + protoNumberBuilder.setProtocolNumber(in.readUnsignedByte()); + matchEntriesBuilder.addAugmentation(ProtocolNumberMatchEntry.class, protoNumberBuilder.build()); + break; + case 11: + matchEntriesBuilder.setOxmMatchField(Ipv4Src.class); + addIpv4AddressAugmentation(matchEntriesBuilder, in); + if (hasMask) { + addMaskAugmentation(matchEntriesBuilder, in, EncodeConstants.SIZE_OF_INT_IN_BYTES); + } + break; + case 12: + matchEntriesBuilder.setOxmMatchField(Ipv4Dst.class); + addIpv4AddressAugmentation(matchEntriesBuilder, in); + if (hasMask) { + addMaskAugmentation(matchEntriesBuilder, in, EncodeConstants.SIZE_OF_INT_IN_BYTES); + } + break; + case 13: + matchEntriesBuilder.setOxmMatchField(TcpSrc.class); + addPortAugmentation(matchEntriesBuilder, in); + break; + case 14: + matchEntriesBuilder.setOxmMatchField(TcpDst.class); + addPortAugmentation(matchEntriesBuilder, in); + break; + case 15: + matchEntriesBuilder.setOxmMatchField(UdpSrc.class); + addPortAugmentation(matchEntriesBuilder, in); + break; + case 16: + matchEntriesBuilder.setOxmMatchField(UdpDst.class); + addPortAugmentation(matchEntriesBuilder, in); + break; + case 17: + matchEntriesBuilder.setOxmMatchField(SctpSrc.class); + addPortAugmentation(matchEntriesBuilder, in); + break; + case 18: + matchEntriesBuilder.setOxmMatchField(SctpDst.class); + addPortAugmentation(matchEntriesBuilder, in); + break; + case 19: + matchEntriesBuilder.setOxmMatchField(Icmpv4Type.class); + Icmpv4TypeMatchEntryBuilder icmpv4TypeBuilder = new Icmpv4TypeMatchEntryBuilder(); + icmpv4TypeBuilder.setIcmpv4Type(in.readUnsignedByte()); + matchEntriesBuilder.addAugmentation(Icmpv4TypeMatchEntry.class, icmpv4TypeBuilder.build()); + break; + case 20: + matchEntriesBuilder.setOxmMatchField(Icmpv4Code.class); + Icmpv4CodeMatchEntryBuilder icmpv4CodeBuilder = new Icmpv4CodeMatchEntryBuilder(); + icmpv4CodeBuilder.setIcmpv4Code(in.readUnsignedByte()); + matchEntriesBuilder.addAugmentation(Icmpv4CodeMatchEntry.class, icmpv4CodeBuilder.build()); + break; + case 21: + matchEntriesBuilder.setOxmMatchField(ArpOp.class); + OpCodeMatchEntryBuilder opcodeBuilder = new OpCodeMatchEntryBuilder(); + opcodeBuilder.setOpCode(in.readUnsignedShort()); + matchEntriesBuilder.addAugmentation(OpCodeMatchEntry.class, opcodeBuilder.build()); + break; + case 22: + matchEntriesBuilder.setOxmMatchField(ArpSpa.class); + addIpv4AddressAugmentation(matchEntriesBuilder, in); + if (hasMask) { + addMaskAugmentation(matchEntriesBuilder, in, EncodeConstants.SIZE_OF_INT_IN_BYTES); + } + break; + case 23: + matchEntriesBuilder.setOxmMatchField(ArpTpa.class); + addIpv4AddressAugmentation(matchEntriesBuilder, in); + if (hasMask) { + addMaskAugmentation(matchEntriesBuilder, in, EncodeConstants.SIZE_OF_INT_IN_BYTES); + } + break; + case 24: + matchEntriesBuilder.setOxmMatchField(ArpSha.class); + addMacAddressAugmentation(matchEntriesBuilder, in); + if (hasMask) { + addMaskAugmentation(matchEntriesBuilder, in, EncodeConstants.MAC_ADDRESS_LENGTH); + } + break; + case 25: + matchEntriesBuilder.setOxmMatchField(ArpTha.class); + addMacAddressAugmentation(matchEntriesBuilder, in); + if (hasMask) { + addMaskAugmentation(matchEntriesBuilder, in, EncodeConstants.MAC_ADDRESS_LENGTH); + } + break; + case 26: + matchEntriesBuilder.setOxmMatchField(Ipv6Src.class); + addIpv6AddressAugmentation(matchEntriesBuilder, in); + if (hasMask) { + addMaskAugmentation(matchEntriesBuilder, in, EncodeConstants.SIZE_OF_IPV6_ADDRESS_IN_BYTES); + } + break; + case 27: + matchEntriesBuilder.setOxmMatchField(Ipv6Dst.class); + addIpv6AddressAugmentation(matchEntriesBuilder, in); + if (hasMask) { + addMaskAugmentation(matchEntriesBuilder, in, EncodeConstants.SIZE_OF_IPV6_ADDRESS_IN_BYTES); + } + break; + case 28: + matchEntriesBuilder.setOxmMatchField(Ipv6Flabel.class); + Ipv6FlabelMatchEntryBuilder ipv6FlabelBuilder = new Ipv6FlabelMatchEntryBuilder(); + ipv6FlabelBuilder.setIpv6Flabel(new Ipv6FlowLabel(in.readUnsignedInt())); + matchEntriesBuilder.addAugmentation(Ipv6FlabelMatchEntry.class, ipv6FlabelBuilder.build()); + if (hasMask) { + addMaskAugmentation(matchEntriesBuilder, in, EncodeConstants.SIZE_OF_INT_IN_BYTES); + } + break; + case 29: + matchEntriesBuilder.setOxmMatchField(Icmpv6Type.class); + Icmpv6TypeMatchEntryBuilder icmpv6TypeBuilder = new Icmpv6TypeMatchEntryBuilder(); + icmpv6TypeBuilder.setIcmpv6Type(in.readUnsignedByte()); + matchEntriesBuilder.addAugmentation(Icmpv6TypeMatchEntry.class, icmpv6TypeBuilder.build()); + break; + case 30: + matchEntriesBuilder.setOxmMatchField(Icmpv6Code.class); + Icmpv6CodeMatchEntryBuilder icmpv6CodeBuilder = new Icmpv6CodeMatchEntryBuilder(); + icmpv6CodeBuilder.setIcmpv6Code(in.readUnsignedByte()); + matchEntriesBuilder.addAugmentation(Icmpv6CodeMatchEntry.class, icmpv6CodeBuilder.build()); + break; + case 31: + matchEntriesBuilder.setOxmMatchField(Ipv6NdTarget.class); + addIpv6AddressAugmentation(matchEntriesBuilder, in); + break; + case 32: + matchEntriesBuilder.setOxmMatchField(Ipv6NdSll.class); + addMacAddressAugmentation(matchEntriesBuilder, in); + break; + case 33: + matchEntriesBuilder.setOxmMatchField(Ipv6NdTll.class); + addMacAddressAugmentation(matchEntriesBuilder, in); + break; + case 34: + matchEntriesBuilder.setOxmMatchField(MplsLabel.class); + MplsLabelMatchEntryBuilder mplsLabelBuilder = new MplsLabelMatchEntryBuilder(); + mplsLabelBuilder.setMplsLabel(in.readUnsignedInt()); + matchEntriesBuilder.addAugmentation(MplsLabelMatchEntry.class, mplsLabelBuilder.build()); + break; + case 35: + matchEntriesBuilder.setOxmMatchField(MplsTc.class); + TcMatchEntryBuilder tcBuilder = new TcMatchEntryBuilder(); + tcBuilder.setTc(in.readUnsignedByte()); + matchEntriesBuilder.addAugmentation(TcMatchEntry.class, tcBuilder.build()); + break; + case 36: + matchEntriesBuilder.setOxmMatchField(MplsBos.class); + BosMatchEntryBuilder bosBuilder = new BosMatchEntryBuilder(); + if (in.readUnsignedByte() != 0) { + bosBuilder.setBos(true); + } else { + bosBuilder.setBos(false); + } + matchEntriesBuilder.addAugmentation(BosMatchEntry.class, bosBuilder.build()); + break; + case 37: + matchEntriesBuilder.setOxmMatchField(PbbIsid.class); + IsidMatchEntryBuilder isidBuilder = new IsidMatchEntryBuilder(); + Integer isid = in.readUnsignedMedium(); + isidBuilder.setIsid(isid.longValue()); + matchEntriesBuilder.addAugmentation(IsidMatchEntry.class, isidBuilder.build()); + if (hasMask) { + addMaskAugmentation(matchEntriesBuilder, in, EncodeConstants.SIZE_OF_3_BYTES); + } + break; + case 38: + matchEntriesBuilder.setOxmMatchField(TunnelId.class); + addMetadataAugmentation(matchEntriesBuilder, in); + if (hasMask) { + addMaskAugmentation(matchEntriesBuilder, in, EncodeConstants.SIZE_OF_LONG_IN_BYTES); + } + break; + case 39: + matchEntriesBuilder.setOxmMatchField(Ipv6Exthdr.class); + PseudoFieldMatchEntryBuilder pseudoBuilder = new PseudoFieldMatchEntryBuilder(); + int bitmap = in.readUnsignedShort(); + final Boolean NONEXT = ((bitmap) & (1<<0)) != 0; + final Boolean ESP = ((bitmap) & (1<<1)) != 0; + final Boolean AUTH = ((bitmap) & (1<<2)) != 0; + final Boolean DEST = ((bitmap) & (1<<3)) != 0; + final Boolean FRAG = ((bitmap) & (1<<4)) != 0; + final Boolean ROUTER = ((bitmap) & (1<<5)) != 0; + final Boolean HOP = ((bitmap) & (1<<6)) != 0; + final Boolean UNREP = ((bitmap) & (1<<7)) != 0; + final Boolean UNSEQ = ((bitmap) & (1<<8)) != 0; + pseudoBuilder.setPseudoField(new Ipv6ExthdrFlags(AUTH, DEST, ESP, FRAG, HOP, NONEXT, ROUTER, UNREP, UNSEQ)); + matchEntriesBuilder.addAugmentation(PseudoFieldMatchEntry.class, pseudoBuilder.build()); + if (hasMask) { + addMaskAugmentation(matchEntriesBuilder, in, EncodeConstants.SIZE_OF_SHORT_IN_BYTES); + } + break; + default: + break; + } + matchEntriesList.add(matchEntriesBuilder.build()); + if (oneEntry) { + break; + } + } + if ((matchLength - currLength) > 0) { + in.skipBytes(matchLength - currLength); + } + return matchEntriesList; + } + + /** Decodes oxm ids + * @param in input ByteBuf + * @param matchLength match entries length + * @return list of match ids + */ + public static List createMatchIds(ByteBuf in, int matchLength) { + return MatchIdsDeserializer.createOxmIds(in, matchLength); + } + + private static void addMaskAugmentation(MatchEntriesBuilder builder, ByteBuf in, int matchEntryLength) { + MaskMatchEntryBuilder maskBuilder = new MaskMatchEntryBuilder(); + byte[] mask = new byte[matchEntryLength]; + in.readBytes(mask); + maskBuilder.setMask(mask); + builder.addAugmentation(MaskMatchEntry.class, maskBuilder.build()); + } + + private static void addIpv6AddressAugmentation(MatchEntriesBuilder builder, ByteBuf in) { + Ipv6AddressMatchEntryBuilder ipv6AddressBuilder = new Ipv6AddressMatchEntryBuilder(); + List groups = new ArrayList<>(); + for (int i = 0; i < EncodeConstants.GROUPS_IN_IPV6_ADDRESS; i++) { + groups.add(String.format("%04X", in.readUnsignedShort())); + } + Joiner joiner = Joiner.on(":"); + ipv6AddressBuilder.setIpv6Address(new Ipv6Address(joiner.join(groups))); + builder.addAugmentation(Ipv6AddressMatchEntry.class, ipv6AddressBuilder.build()); + } + + private static void addMetadataAugmentation(MatchEntriesBuilder builder, ByteBuf in) { + MetadataMatchEntryBuilder metadata = new MetadataMatchEntryBuilder(); + byte[] metadataBytes = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES]; + in.readBytes(metadataBytes); + metadata.setMetadata(metadataBytes); + builder.addAugmentation(MetadataMatchEntry.class, metadata.build()); + } + + private static void addIpv4AddressAugmentation(MatchEntriesBuilder builder, ByteBuf in) { + Ipv4AddressMatchEntryBuilder ipv4AddressBuilder = new Ipv4AddressMatchEntryBuilder(); + List groups = new ArrayList<>(); + for (int i = 0; i < EncodeConstants.GROUPS_IN_IPV4_ADDRESS; i++) { + groups.add(Short.toString(in.readUnsignedByte())); + } + Joiner joiner = Joiner.on("."); + ipv4AddressBuilder.setIpv4Address(new Ipv4Address(joiner.join(groups))); + builder.addAugmentation(Ipv4AddressMatchEntry.class, ipv4AddressBuilder.build()); + } + + private static void addMacAddressAugmentation(MatchEntriesBuilder builder, ByteBuf in) { + MacAddressMatchEntryBuilder macAddress = new MacAddressMatchEntryBuilder(); + byte[] address = new byte[EncodeConstants.MAC_ADDRESS_LENGTH]; + in.readBytes(address); + macAddress.setMacAddress(new MacAddress(ByteBufUtils.macAddressToString(address))); + builder.addAugmentation(MacAddressMatchEntry.class, macAddress.build()); + } + + private static void addPortAugmentation(MatchEntriesBuilder builder, ByteBuf in) { + PortMatchEntryBuilder portBuilder = new PortMatchEntryBuilder(); + portBuilder.setPort(new org.opendaylight.yang.gen.v1.urn.ietf.params. + xml.ns.yang.ietf.inet.types.rev100924.PortNumber(in.readUnsignedShort())); + builder.addAugmentation(PortMatchEntry.class, portBuilder.build()); + } +}