Java tutorial
/* * Copyright (c) 2013 Pantheon Technologies s.r.o. and others. All rights reserved. * * This program and the accompanying materials are made available under the * terms of the Eclipse Public License v1.0 which accompanies this distribution, * and is available at http://www.eclipse.org/legal/epl-v10.html */ package org.opendaylight.openflowjava.protocol.impl.util; import io.netty.buffer.ByteBuf; import java.util.ArrayList; import java.util.List; 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.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.Ipv6ExthdrFlags; 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.match.grouping.Match; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.match.grouping.MatchBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.oxm.fields.grouping.MatchEntries; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.oxm.fields.grouping.MatchEntriesBuilder; 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 { /** * 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 * (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<MatchEntries> 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<MatchEntries> createMatchEntries(ByteBuf in, int matchLength) { return createMatchEntriesInternal(in, matchLength, false); } private static List<MatchEntries> createMatchEntriesInternal(ByteBuf in, int matchLength, boolean oneEntry) { List<MatchEntries> 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<MatchEntries> 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<String> 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<String> 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()); } }