| // Copyright (c) 2008 The Board of Trustees of The Leland Stanford Junior University |
| // Copyright (c) 2011, 2012 Open Networking Foundation |
| // Copyright (c) 2012, 2013 Big Switch Networks, Inc. |
| // This library was generated by the LoxiGen Compiler. |
| // See the file LICENSE.txt which should have been included in the source distribution |
| |
| // Automatically generated by LOXI from template of_class.java |
| // Do not modify |
| |
| package org.projectfloodlight.openflow.protocol.ver10; |
| |
| import org.projectfloodlight.openflow.protocol.*; |
| import org.projectfloodlight.openflow.protocol.action.*; |
| import org.projectfloodlight.openflow.protocol.actionid.*; |
| import org.projectfloodlight.openflow.protocol.bsntlv.*; |
| import org.projectfloodlight.openflow.protocol.errormsg.*; |
| import org.projectfloodlight.openflow.protocol.meterband.*; |
| import org.projectfloodlight.openflow.protocol.instruction.*; |
| import org.projectfloodlight.openflow.protocol.instructionid.*; |
| import org.projectfloodlight.openflow.protocol.match.*; |
| import org.projectfloodlight.openflow.protocol.oxm.*; |
| import org.projectfloodlight.openflow.protocol.queueprop.*; |
| import org.projectfloodlight.openflow.types.*; |
| import org.projectfloodlight.openflow.util.*; |
| import org.projectfloodlight.openflow.exceptions.*; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import java.util.List; |
| import com.google.common.collect.ImmutableList; |
| import java.util.Set; |
| import org.jboss.netty.buffer.ChannelBuffer; |
| import com.google.common.hash.PrimitiveSink; |
| import com.google.common.hash.Funnel; |
| |
| class OFMatchV1Ver10 implements OFMatchV1 { |
| private static final Logger logger = LoggerFactory.getLogger(OFMatchV1Ver10.class); |
| // version: 1.0 |
| final static byte WIRE_VERSION = 1; |
| final static int LENGTH = 40; |
| |
| private final static int DEFAULT_WILDCARDS = OFFlowWildcardsSerializerVer10.ALL_VAL; |
| private final static OFPort DEFAULT_IN_PORT = OFPort.ZERO; |
| private final static MacAddress DEFAULT_ETH_SRC = MacAddress.NONE; |
| private final static MacAddress DEFAULT_ETH_DST = MacAddress.NONE; |
| private final static OFVlanVidMatch DEFAULT_VLAN_VID = OFVlanVidMatch.NONE; |
| private final static VlanPcp DEFAULT_VLAN_PCP = VlanPcp.NONE; |
| private final static EthType DEFAULT_ETH_TYPE = EthType.NONE; |
| private final static IpDscp DEFAULT_IP_DSCP = IpDscp.NONE; |
| private final static IpProtocol DEFAULT_IP_PROTO = IpProtocol.NONE; |
| private final static IPv4Address DEFAULT_IPV4_SRC = IPv4Address.NONE; |
| private final static IPv4Address DEFAULT_IPV4_DST = IPv4Address.NONE; |
| private final static TransportPort DEFAULT_TCP_SRC = TransportPort.NONE; |
| private final static TransportPort DEFAULT_TCP_DST = TransportPort.NONE; |
| |
| // OF message fields |
| private final int wildcards; |
| private final OFPort inPort; |
| private final MacAddress ethSrc; |
| private final MacAddress ethDst; |
| private final OFVlanVidMatch vlanVid; |
| private final VlanPcp vlanPcp; |
| private final EthType ethType; |
| private final IpDscp ipDscp; |
| private final IpProtocol ipProto; |
| private final IPv4Address ipv4Src; |
| private final IPv4Address ipv4Dst; |
| private final TransportPort tcpSrc; |
| private final TransportPort tcpDst; |
| // |
| // Immutable default instance |
| final static OFMatchV1Ver10 DEFAULT = new OFMatchV1Ver10( |
| DEFAULT_WILDCARDS, DEFAULT_IN_PORT, DEFAULT_ETH_SRC, DEFAULT_ETH_DST, DEFAULT_VLAN_VID, DEFAULT_VLAN_PCP, DEFAULT_ETH_TYPE, DEFAULT_IP_DSCP, DEFAULT_IP_PROTO, DEFAULT_IPV4_SRC, DEFAULT_IPV4_DST, DEFAULT_TCP_SRC, DEFAULT_TCP_DST |
| ); |
| |
| // package private constructor - used by readers, builders, and factory |
| OFMatchV1Ver10(int wildcards, OFPort inPort, MacAddress ethSrc, MacAddress ethDst, OFVlanVidMatch vlanVid, VlanPcp vlanPcp, EthType ethType, IpDscp ipDscp, IpProtocol ipProto, IPv4Address ipv4Src, IPv4Address ipv4Dst, TransportPort tcpSrc, TransportPort tcpDst) { |
| this.wildcards = wildcards; |
| this.inPort = inPort; |
| this.ethSrc = ethSrc; |
| this.ethDst = ethDst; |
| this.vlanVid = vlanVid; |
| this.vlanPcp = vlanPcp; |
| this.ethType = ethType; |
| this.ipDscp = ipDscp; |
| this.ipProto = ipProto; |
| this.ipv4Src = ipv4Src; |
| this.ipv4Dst = ipv4Dst; |
| this.tcpSrc = tcpSrc; |
| this.tcpDst = tcpDst; |
| } |
| |
| // Accessors for OF message fields |
| @Override |
| public int getWildcards() { |
| return wildcards; |
| } |
| |
| @Override |
| public OFPort getInPort() { |
| return inPort; |
| } |
| |
| @Override |
| public MacAddress getEthSrc() { |
| return ethSrc; |
| } |
| |
| @Override |
| public MacAddress getEthDst() { |
| return ethDst; |
| } |
| |
| @Override |
| public OFVlanVidMatch getVlanVid() { |
| return vlanVid; |
| } |
| |
| @Override |
| public VlanPcp getVlanPcp() { |
| return vlanPcp; |
| } |
| |
| @Override |
| public EthType getEthType() { |
| return ethType; |
| } |
| |
| @Override |
| public IpDscp getIpDscp() { |
| return ipDscp; |
| } |
| |
| @Override |
| public IpProtocol getIpProto() { |
| return ipProto; |
| } |
| |
| @Override |
| public IPv4Address getIpv4Src() { |
| return ipv4Src; |
| } |
| |
| @Override |
| public IPv4Address getIpv4Dst() { |
| return ipv4Dst; |
| } |
| |
| @Override |
| public TransportPort getTcpSrc() { |
| return tcpSrc; |
| } |
| |
| @Override |
| public TransportPort getTcpDst() { |
| return tcpDst; |
| } |
| |
| @Override |
| public OFVersion getVersion() { |
| return OFVersion.OF_10; |
| } |
| |
| |
| final public static int OFPFW_ALL = ((1 << 22) - 1); |
| |
| final public static int OFPFW_IN_PORT = 1 << 0; /* Switch input port. */ |
| final public static int OFPFW_DL_VLAN = 1 << 1; /* VLAN id. */ |
| final public static int OFPFW_DL_SRC = 1 << 2; /* Ethernet source address. */ |
| final public static int OFPFW_DL_DST = 1 << 3; /* |
| * Ethernet destination |
| * address. |
| */ |
| final public static int OFPFW_DL_TYPE = 1 << 4; /* Ethernet frame type. */ |
| final public static int OFPFW_NW_PROTO = 1 << 5; /* IP protocol. */ |
| final public static int OFPFW_TP_SRC = 1 << 6; /* TCP/UDP source port. */ |
| final public static int OFPFW_TP_DST = 1 << 7; /* TCP/UDP destination port. */ |
| |
| /* |
| * IP source address wildcard bit count. 0 is exact match, 1 ignores the |
| * LSB, 2 ignores the 2 least-significant bits, ..., 32 and higher wildcard |
| * the entire field. This is the *opposite* of the usual convention where |
| * e.g. /24 indicates that 8 bits (not 24 bits) are wildcarded. |
| */ |
| final public static int OFPFW_NW_SRC_SHIFT = 8; |
| final public static int OFPFW_NW_SRC_BITS = 6; |
| final public static int OFPFW_NW_SRC_MASK = ((1 << OFPFW_NW_SRC_BITS) - 1) << OFPFW_NW_SRC_SHIFT; |
| final public static int OFPFW_NW_SRC_ALL = 32 << OFPFW_NW_SRC_SHIFT; |
| |
| /* IP destination address wildcard bit count. Same format as source. */ |
| final public static int OFPFW_NW_DST_SHIFT = 14; |
| final public static int OFPFW_NW_DST_BITS = 6; |
| final public static int OFPFW_NW_DST_MASK = ((1 << OFPFW_NW_DST_BITS) - 1) << OFPFW_NW_DST_SHIFT; |
| final public static int OFPFW_NW_DST_ALL = 32 << OFPFW_NW_DST_SHIFT; |
| |
| final public static int OFPFW_DL_VLAN_PCP = 1 << 20; /* VLAN priority. */ |
| final public static int OFPFW_NW_TOS = 1 << 21; /* IP ToS (DSCP field, 6bits) */ |
| |
| @SuppressWarnings("unchecked") |
| @Override |
| public <F extends OFValueType<F>> F get(MatchField<F> field) |
| throws UnsupportedOperationException { |
| if (isFullyWildcarded(field)) |
| return null; |
| if (!field.arePrerequisitesOK(this)) |
| return null; |
| |
| Object result; |
| switch (field.id) { |
| case IN_PORT: |
| result = inPort; |
| break; |
| case ETH_DST: |
| result = ethDst; |
| break; |
| case ETH_SRC: |
| result = ethSrc; |
| break; |
| case ETH_TYPE: |
| result = ethType; |
| break; |
| case VLAN_VID: |
| result = vlanVid; |
| break; |
| case VLAN_PCP: |
| result = vlanPcp; |
| break; |
| case ARP_OP: |
| result = ArpOpcode.of(ipProto.getIpProtocolNumber()); |
| break; |
| case ARP_SPA: |
| result = ipv4Src; |
| break; |
| case ARP_TPA: |
| result = ipv4Dst; |
| break; |
| case IP_DSCP: |
| result = ipDscp; |
| break; |
| case IP_PROTO: |
| result = ipProto; |
| break; |
| case IPV4_SRC: |
| result = ipv4Src; |
| break; |
| case IPV4_DST: |
| result = ipv4Dst; |
| break; |
| case TCP_SRC: |
| result = tcpSrc; |
| break; |
| case TCP_DST: |
| result = tcpDst; |
| break; |
| case UDP_SRC: |
| result = tcpSrc; |
| break; |
| case UDP_DST: |
| result = tcpDst; |
| break; |
| case SCTP_SRC: |
| result = tcpSrc; |
| break; |
| case SCTP_DST: |
| result = tcpDst; |
| break; |
| case ICMPV4_TYPE: |
| result = tcpSrc; |
| break; |
| case ICMPV4_CODE: |
| result = tcpDst; |
| break; |
| // NOT SUPPORTED: |
| default: |
| throw new UnsupportedOperationException("OFMatch does not support matching on field " + field.getName()); |
| } |
| return (F)result; |
| } |
| |
| @SuppressWarnings("unchecked") |
| @Override |
| public <F extends OFValueType<F>> Masked<F> getMasked(MatchField<F> field) |
| throws UnsupportedOperationException { |
| if (!isPartiallyMasked(field)) |
| return null; |
| if (!field.arePrerequisitesOK(this)) |
| return null; |
| Object result; |
| switch (field.id) { |
| case ARP_SPA: |
| case IPV4_SRC: |
| int srcBitMask = (-1) << (32 - getIpv4SrcCidrMaskLen()); |
| result = IPv4AddressWithMask.of(ipv4Src, IPv4Address.of(srcBitMask)); |
| break; |
| case ARP_TPA: |
| case IPV4_DST: |
| int dstBitMask = (-1) << (32 - getIpv4DstCidrMaskLen()); |
| |
| result = IPv4AddressWithMask.of(ipv4Dst, IPv4Address.of(dstBitMask)); |
| break; |
| default: |
| throw new UnsupportedOperationException("OFMatch does not support masked matching on field " + field.getName()); |
| } |
| return (Masked<F>)result; |
| } |
| |
| @Override |
| public boolean supports(MatchField<?> field) { |
| switch (field.id) { |
| case IN_PORT: |
| case ETH_DST: |
| case ETH_SRC: |
| case ETH_TYPE: |
| case VLAN_VID: |
| case VLAN_PCP: |
| case ARP_OP: |
| case ARP_SPA: |
| case ARP_TPA: |
| case IP_DSCP: |
| case IP_PROTO: |
| case IPV4_SRC: |
| case IPV4_DST: |
| case TCP_SRC: |
| case TCP_DST: |
| case UDP_SRC: |
| case UDP_DST: |
| case SCTP_SRC: |
| case SCTP_DST: |
| case ICMPV4_TYPE: |
| case ICMPV4_CODE: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| @Override |
| public boolean supportsMasked(MatchField<?> field) { |
| switch (field.id) { |
| case ARP_SPA: |
| case ARP_TPA: |
| case IPV4_SRC: |
| case IPV4_DST: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| @Override |
| public boolean isExact(MatchField<?> field) { |
| if (!field.arePrerequisitesOK(this)) |
| return false; |
| |
| switch (field.id) { |
| case IN_PORT: |
| return (this.wildcards & OFPFW_IN_PORT) == 0; |
| case ETH_DST: |
| return (this.wildcards & OFPFW_DL_DST) == 0; |
| case ETH_SRC: |
| return (this.wildcards & OFPFW_DL_SRC) == 0; |
| case ETH_TYPE: |
| return (this.wildcards & OFPFW_DL_TYPE) == 0; |
| case VLAN_VID: |
| return (this.wildcards & OFPFW_DL_VLAN) == 0; |
| case VLAN_PCP: |
| return (this.wildcards & OFPFW_DL_VLAN_PCP) == 0; |
| case ARP_OP: |
| return (this.wildcards & OFPFW_NW_PROTO) == 0; |
| case ARP_SPA: |
| return this.getIpv4SrcCidrMaskLen() >= 32; |
| case ARP_TPA: |
| return this.getIpv4DstCidrMaskLen() >= 32; |
| case IP_DSCP: |
| return (this.wildcards & OFPFW_NW_TOS) == 0; |
| case IP_PROTO: |
| return (this.wildcards & OFPFW_NW_PROTO) == 0; |
| case IPV4_SRC: |
| return this.getIpv4SrcCidrMaskLen() >= 32; |
| case IPV4_DST: |
| return this.getIpv4DstCidrMaskLen() >= 32; |
| case TCP_SRC: |
| return (this.wildcards & OFPFW_TP_SRC) == 0; |
| case TCP_DST: |
| return (this.wildcards & OFPFW_TP_DST) == 0; |
| case UDP_SRC: |
| return (this.wildcards & OFPFW_TP_SRC) == 0; |
| case UDP_DST: |
| return (this.wildcards & OFPFW_TP_DST) == 0; |
| case SCTP_SRC: |
| return (this.wildcards & OFPFW_TP_SRC) == 0; |
| case SCTP_DST: |
| return (this.wildcards & OFPFW_TP_DST) == 0; |
| case ICMPV4_TYPE: |
| return (this.wildcards & OFPFW_TP_SRC) == 0; |
| case ICMPV4_CODE: |
| return (this.wildcards & OFPFW_TP_DST) == 0; |
| default: |
| throw new UnsupportedOperationException("OFMatch does not support matching on field " + field.getName()); |
| } |
| } |
| |
| /** |
| * Parse this match's wildcard fields and return the number of significant |
| * bits in the IP destination field. NOTE: this returns the number of bits |
| * that are fixed, i.e., like CIDR, not the number of bits that are free |
| * like OpenFlow encodes. |
| * |
| * @return A number between 0 (matches all IPs) and 32 (exact match) |
| */ |
| public int getIpv4DstCidrMaskLen() { |
| return Math.max(32 - ((wildcards & OFPFW_NW_DST_MASK) >> OFPFW_NW_DST_SHIFT), |
| 0); |
| } |
| |
| /** |
| * Parse this match's wildcard fields and return the number of significant |
| * bits in the IP destination field. NOTE: this returns the number of bits |
| * that are fixed, i.e., like CIDR, not the number of bits that are free |
| * like OpenFlow encodes. |
| * |
| * @return A number between 0 (matches all IPs) and 32 (exact match) |
| */ |
| public int getIpv4SrcCidrMaskLen() { |
| return Math.max(32 - ((wildcards & OFPFW_NW_SRC_MASK) >> OFPFW_NW_SRC_SHIFT), |
| 0); |
| } |
| |
| |
| @Override |
| public boolean isFullyWildcarded(MatchField<?> field) { |
| if (!field.arePrerequisitesOK(this)) |
| return true; |
| |
| switch (field.id) { |
| case IN_PORT: |
| return (this.wildcards & OFPFW_IN_PORT) != 0; |
| case ETH_DST: |
| return (this.wildcards & OFPFW_DL_DST) != 0; |
| case ETH_SRC: |
| return (this.wildcards & OFPFW_DL_SRC) != 0; |
| case ETH_TYPE: |
| return (this.wildcards & OFPFW_DL_TYPE) != 0; |
| case VLAN_VID: |
| return (this.wildcards & OFPFW_DL_VLAN) != 0; |
| case VLAN_PCP: |
| return (this.wildcards & OFPFW_DL_VLAN_PCP) != 0; |
| case ARP_OP: |
| return (this.wildcards & OFPFW_NW_PROTO) != 0; |
| case ARP_SPA: |
| return this.getIpv4SrcCidrMaskLen() <= 0; |
| case ARP_TPA: |
| return this.getIpv4DstCidrMaskLen() <= 0; |
| case IP_DSCP: |
| return (this.wildcards & OFPFW_NW_TOS) != 0; |
| case IP_PROTO: |
| return (this.wildcards & OFPFW_NW_PROTO) != 0; |
| case TCP_SRC: |
| return (this.wildcards & OFPFW_TP_SRC) != 0; |
| case TCP_DST: |
| return (this.wildcards & OFPFW_TP_DST) != 0; |
| case UDP_SRC: |
| return (this.wildcards & OFPFW_TP_SRC) != 0; |
| case UDP_DST: |
| return (this.wildcards & OFPFW_TP_DST) != 0; |
| case SCTP_SRC: |
| return (this.wildcards & OFPFW_TP_SRC) != 0; |
| case SCTP_DST: |
| return (this.wildcards & OFPFW_TP_DST) != 0; |
| case ICMPV4_TYPE: |
| return (this.wildcards & OFPFW_TP_SRC) != 0; |
| case ICMPV4_CODE: |
| return (this.wildcards & OFPFW_TP_DST) != 0; |
| case IPV4_SRC: |
| return this.getIpv4SrcCidrMaskLen() <= 0; |
| case IPV4_DST: |
| return this.getIpv4DstCidrMaskLen() <= 0; |
| default: |
| throw new UnsupportedOperationException("OFMatch does not support matching on field " + field.getName()); |
| } |
| } |
| |
| @Override |
| public boolean isPartiallyMasked(MatchField<?> field) { |
| if (!field.arePrerequisitesOK(this)) |
| return false; |
| |
| switch (field.id) { |
| case ARP_SPA: |
| case IPV4_SRC: |
| int srcCidrLen = getIpv4SrcCidrMaskLen(); |
| return srcCidrLen > 0 && srcCidrLen < 32; |
| case ARP_TPA: |
| case IPV4_DST: |
| int dstCidrLen = getIpv4DstCidrMaskLen(); |
| return dstCidrLen > 0 && dstCidrLen < 32; |
| default: |
| return false; |
| } |
| } |
| |
| @Override |
| public Iterable<MatchField<?>> getMatchFields() { |
| ImmutableList.Builder<MatchField<?>> builder = ImmutableList.builder(); |
| if ((wildcards & OFPFW_IN_PORT) == 0) |
| builder.add(MatchField.IN_PORT); |
| if ((wildcards & OFPFW_DL_VLAN) == 0) |
| builder.add(MatchField.VLAN_VID); |
| if ((wildcards & OFPFW_DL_SRC) == 0) |
| builder.add(MatchField.ETH_SRC); |
| if ((wildcards & OFPFW_DL_DST) == 0) |
| builder.add(MatchField.ETH_DST); |
| if ((wildcards & OFPFW_DL_TYPE) == 0) |
| builder.add(MatchField.ETH_TYPE); |
| if ((wildcards & OFPFW_NW_PROTO) == 0) { |
| if (ethType == EthType.ARP) { |
| builder.add(MatchField.ARP_OP); |
| } else if (ethType == EthType.IPv4) { |
| builder.add(MatchField.IP_PROTO); |
| } else { |
| throw new UnsupportedOperationException( |
| "Unsupported Ethertype for matching on network protocol " + ethType); |
| } |
| } |
| if ((wildcards & OFPFW_TP_SRC) == 0) { |
| if (ipProto == IpProtocol.UDP) { |
| builder.add(MatchField.UDP_SRC); |
| } else if (ipProto == IpProtocol.TCP) { |
| builder.add(MatchField.TCP_SRC); |
| } else if (ipProto == IpProtocol.SCTP) { |
| builder.add(MatchField.SCTP_SRC); |
| } else { |
| throw new UnsupportedOperationException( |
| "Unsupported IP protocol for matching on source port " + ipProto); |
| } |
| } |
| if ((wildcards & OFPFW_TP_DST) == 0) { |
| if (ipProto == IpProtocol.UDP) { |
| builder.add(MatchField.UDP_DST); |
| } else if (ipProto == IpProtocol.TCP) { |
| builder.add(MatchField.TCP_DST); |
| } else if (ipProto == IpProtocol.SCTP) { |
| builder.add(MatchField.SCTP_DST); |
| } else { |
| throw new UnsupportedOperationException( |
| "Unsupported IP protocol for matching on destination port " + ipProto); |
| } |
| } |
| if (((wildcards & OFPFW_NW_SRC_MASK) >> OFPFW_NW_SRC_SHIFT) < 32) { |
| if (ethType == EthType.ARP) { |
| builder.add(MatchField.ARP_SPA); |
| } else if (ethType == EthType.IPv4) { |
| builder.add(MatchField.IPV4_SRC); |
| } else { |
| throw new UnsupportedOperationException( |
| "Unsupported Ethertype for matching on source IP " + ethType); |
| } |
| } |
| if (((wildcards & OFPFW_NW_DST_MASK) >> OFPFW_NW_DST_SHIFT) < 32) { |
| if (ethType == EthType.ARP) { |
| builder.add(MatchField.ARP_TPA); |
| } else if (ethType == EthType.IPv4) { |
| builder.add(MatchField.IPV4_DST); |
| } else { |
| throw new UnsupportedOperationException( |
| "Unsupported Ethertype for matching on destination IP " + ethType); |
| } |
| } |
| if ((wildcards & OFPFW_DL_VLAN_PCP) == 0) |
| builder.add(MatchField.VLAN_PCP); |
| if ((wildcards & OFPFW_NW_TOS) == 0) |
| builder.add(MatchField.IP_DSCP); |
| return builder.build(); |
| } |
| |
| public OFMatchV1.Builder createBuilder() { |
| return new BuilderWithParent(this); |
| } |
| |
| static class BuilderWithParent implements OFMatchV1.Builder { |
| final OFMatchV1Ver10 parentMessage; |
| |
| // OF message fields |
| private boolean wildcardsSet; |
| private int wildcards; |
| private boolean inPortSet; |
| private OFPort inPort; |
| private boolean ethSrcSet; |
| private MacAddress ethSrc; |
| private boolean ethDstSet; |
| private MacAddress ethDst; |
| private boolean vlanVidSet; |
| private OFVlanVidMatch vlanVid; |
| private boolean vlanPcpSet; |
| private VlanPcp vlanPcp; |
| private boolean ethTypeSet; |
| private EthType ethType; |
| private boolean ipDscpSet; |
| private IpDscp ipDscp; |
| private boolean ipProtoSet; |
| private IpProtocol ipProto; |
| private boolean ipv4SrcSet; |
| private IPv4Address ipv4Src; |
| private boolean ipv4DstSet; |
| private IPv4Address ipv4Dst; |
| private boolean tcpSrcSet; |
| private TransportPort tcpSrc; |
| private boolean tcpDstSet; |
| private TransportPort tcpDst; |
| |
| BuilderWithParent(OFMatchV1Ver10 parentMessage) { |
| this.parentMessage = parentMessage; |
| } |
| |
| @Override |
| public int getWildcards() { |
| return wildcards; |
| } |
| |
| @Override |
| public OFMatchV1.Builder setWildcards(int wildcards) { |
| this.wildcards = wildcards; |
| this.wildcardsSet = true; |
| return this; |
| } |
| @Override |
| public OFPort getInPort() { |
| return inPort; |
| } |
| |
| @Override |
| public OFMatchV1.Builder setInPort(OFPort inPort) { |
| this.inPort = inPort; |
| this.inPortSet = true; |
| return this; |
| } |
| @Override |
| public MacAddress getEthSrc() { |
| return ethSrc; |
| } |
| |
| @Override |
| public OFMatchV1.Builder setEthSrc(MacAddress ethSrc) { |
| this.ethSrc = ethSrc; |
| this.ethSrcSet = true; |
| return this; |
| } |
| @Override |
| public MacAddress getEthDst() { |
| return ethDst; |
| } |
| |
| @Override |
| public OFMatchV1.Builder setEthDst(MacAddress ethDst) { |
| this.ethDst = ethDst; |
| this.ethDstSet = true; |
| return this; |
| } |
| @Override |
| public OFVlanVidMatch getVlanVid() { |
| return vlanVid; |
| } |
| |
| @Override |
| public OFMatchV1.Builder setVlanVid(OFVlanVidMatch vlanVid) { |
| this.vlanVid = vlanVid; |
| this.vlanVidSet = true; |
| return this; |
| } |
| @Override |
| public VlanPcp getVlanPcp() { |
| return vlanPcp; |
| } |
| |
| @Override |
| public OFMatchV1.Builder setVlanPcp(VlanPcp vlanPcp) { |
| this.vlanPcp = vlanPcp; |
| this.vlanPcpSet = true; |
| return this; |
| } |
| @Override |
| public EthType getEthType() { |
| return ethType; |
| } |
| |
| @Override |
| public OFMatchV1.Builder setEthType(EthType ethType) { |
| this.ethType = ethType; |
| this.ethTypeSet = true; |
| return this; |
| } |
| @Override |
| public IpDscp getIpDscp() { |
| return ipDscp; |
| } |
| |
| @Override |
| public OFMatchV1.Builder setIpDscp(IpDscp ipDscp) { |
| this.ipDscp = ipDscp; |
| this.ipDscpSet = true; |
| return this; |
| } |
| @Override |
| public IpProtocol getIpProto() { |
| return ipProto; |
| } |
| |
| @Override |
| public OFMatchV1.Builder setIpProto(IpProtocol ipProto) { |
| this.ipProto = ipProto; |
| this.ipProtoSet = true; |
| return this; |
| } |
| @Override |
| public IPv4Address getIpv4Src() { |
| return ipv4Src; |
| } |
| |
| @Override |
| public OFMatchV1.Builder setIpv4Src(IPv4Address ipv4Src) { |
| this.ipv4Src = ipv4Src; |
| this.ipv4SrcSet = true; |
| return this; |
| } |
| @Override |
| public IPv4Address getIpv4Dst() { |
| return ipv4Dst; |
| } |
| |
| @Override |
| public OFMatchV1.Builder setIpv4Dst(IPv4Address ipv4Dst) { |
| this.ipv4Dst = ipv4Dst; |
| this.ipv4DstSet = true; |
| return this; |
| } |
| @Override |
| public TransportPort getTcpSrc() { |
| return tcpSrc; |
| } |
| |
| @Override |
| public OFMatchV1.Builder setTcpSrc(TransportPort tcpSrc) { |
| this.tcpSrc = tcpSrc; |
| this.tcpSrcSet = true; |
| return this; |
| } |
| @Override |
| public TransportPort getTcpDst() { |
| return tcpDst; |
| } |
| |
| @Override |
| public OFMatchV1.Builder setTcpDst(TransportPort tcpDst) { |
| this.tcpDst = tcpDst; |
| this.tcpDstSet = true; |
| return this; |
| } |
| @Override |
| public OFVersion getVersion() { |
| return OFVersion.OF_10; |
| } |
| |
| |
| |
| @Override |
| public OFMatchV1 build() { |
| int wildcards = this.wildcardsSet ? this.wildcards : parentMessage.wildcards; |
| OFPort inPort = this.inPortSet ? this.inPort : parentMessage.inPort; |
| if(inPort == null) |
| throw new NullPointerException("Property inPort must not be null"); |
| MacAddress ethSrc = this.ethSrcSet ? this.ethSrc : parentMessage.ethSrc; |
| if(ethSrc == null) |
| throw new NullPointerException("Property ethSrc must not be null"); |
| MacAddress ethDst = this.ethDstSet ? this.ethDst : parentMessage.ethDst; |
| if(ethDst == null) |
| throw new NullPointerException("Property ethDst must not be null"); |
| OFVlanVidMatch vlanVid = this.vlanVidSet ? this.vlanVid : parentMessage.vlanVid; |
| if(vlanVid == null) |
| throw new NullPointerException("Property vlanVid must not be null"); |
| VlanPcp vlanPcp = this.vlanPcpSet ? this.vlanPcp : parentMessage.vlanPcp; |
| if(vlanPcp == null) |
| throw new NullPointerException("Property vlanPcp must not be null"); |
| EthType ethType = this.ethTypeSet ? this.ethType : parentMessage.ethType; |
| if(ethType == null) |
| throw new NullPointerException("Property ethType must not be null"); |
| IpDscp ipDscp = this.ipDscpSet ? this.ipDscp : parentMessage.ipDscp; |
| if(ipDscp == null) |
| throw new NullPointerException("Property ipDscp must not be null"); |
| IpProtocol ipProto = this.ipProtoSet ? this.ipProto : parentMessage.ipProto; |
| if(ipProto == null) |
| throw new NullPointerException("Property ipProto must not be null"); |
| IPv4Address ipv4Src = this.ipv4SrcSet ? this.ipv4Src : parentMessage.ipv4Src; |
| if(ipv4Src == null) |
| throw new NullPointerException("Property ipv4Src must not be null"); |
| IPv4Address ipv4Dst = this.ipv4DstSet ? this.ipv4Dst : parentMessage.ipv4Dst; |
| if(ipv4Dst == null) |
| throw new NullPointerException("Property ipv4Dst must not be null"); |
| TransportPort tcpSrc = this.tcpSrcSet ? this.tcpSrc : parentMessage.tcpSrc; |
| if(tcpSrc == null) |
| throw new NullPointerException("Property tcpSrc must not be null"); |
| TransportPort tcpDst = this.tcpDstSet ? this.tcpDst : parentMessage.tcpDst; |
| if(tcpDst == null) |
| throw new NullPointerException("Property tcpDst must not be null"); |
| |
| // |
| // normalize match fields according to current OpenVSwitch behavior. When prerequisites for a field are not met |
| // e.g., eth_type is not set to 0x800, OVS sets the value of corresponding ignored fields (e.g., |
| // ip_src, tcp_dst) to 0, and sets the wildcard bit to 1. |
| if(ethType.equals(EthType.IPv4)) { |
| // IP |
| if(ipProto.equals(IpProtocol.TCP) || ipProto.equals(IpProtocol.UDP) || ipProto.equals(IpProtocol.ICMP)) { |
| // fully speced, wildcards and all values are fine |
| // normalize 32-63 ipv4 src 'mask' to a full bitmask |
| if((wildcards & OFPFW_NW_SRC_ALL) != 0) |
| wildcards |= OFPFW_NW_SRC_MASK; |
| |
| // normalize 32-63 ipv4 dst 'mask' to a full bitmask |
| if((wildcards & OFPFW_NW_DST_ALL) != 0) |
| wildcards |= OFPFW_NW_DST_MASK; |
| |
| } else { |
| // normalize 32-63 ipv4 src 'mask' to a full bitmask |
| if((wildcards & OFPFW_NW_SRC_ALL) != 0) |
| wildcards |= OFPFW_NW_SRC_MASK; |
| |
| // normalize 32-63 ipv4 dst 'mask' to a full bitmask |
| if((wildcards & OFPFW_NW_DST_ALL) != 0) |
| wildcards |= OFPFW_NW_DST_MASK; |
| |
| // not TCP/UDP/ICMP -> Clear TP wildcards for the wire |
| wildcards |= (OFPFW_TP_SRC | OFPFW_TP_DST); |
| tcpSrc = TransportPort.NONE; |
| tcpDst = TransportPort.NONE; |
| } |
| } else if (ethType.equals(EthType.ARP)) { |
| // normalize 32-63 ipv4 src 'mask' to a full bitmask |
| if((wildcards & OFPFW_NW_SRC_ALL) != 0) |
| wildcards |= OFPFW_NW_SRC_MASK; |
| |
| // normalize 32-63 ipv4 dst 'mask' to a full bitmask |
| if((wildcards & OFPFW_NW_DST_ALL) != 0) |
| wildcards |= OFPFW_NW_DST_MASK; |
| |
| // ARP: clear NW_TOS / TP wildcards for the wire |
| wildcards |= ( OFPFW_NW_TOS | OFPFW_TP_SRC | OFPFW_TP_DST); |
| ipDscp = IpDscp.NONE; |
| tcpSrc = TransportPort.NONE; |
| tcpDst = TransportPort.NONE; |
| } else { |
| // not even IP. Clear NW/TP wildcards for the wire |
| wildcards |= ( OFPFW_NW_TOS | OFPFW_NW_PROTO | OFPFW_NW_SRC_MASK | OFPFW_NW_DST_MASK | OFPFW_TP_SRC | OFPFW_TP_DST); |
| ipDscp = IpDscp.NONE; |
| ipProto = IpProtocol.NONE; |
| ipv4Src = IPv4Address.NONE; |
| ipv4Dst = IPv4Address.NONE; |
| tcpSrc = TransportPort.NONE; |
| tcpDst = TransportPort.NONE; |
| } |
| return new OFMatchV1Ver10( |
| wildcards, |
| inPort, |
| ethSrc, |
| ethDst, |
| vlanVid, |
| vlanPcp, |
| ethType, |
| ipDscp, |
| ipProto, |
| ipv4Src, |
| ipv4Dst, |
| tcpSrc, |
| tcpDst |
| ); |
| } |
| @SuppressWarnings("unchecked") |
| @Override |
| public <F extends OFValueType<F>> F get(MatchField<F> field) |
| throws UnsupportedOperationException { |
| if (isFullyWildcarded(field)) |
| return null; |
| |
| Object result; |
| switch (field.id) { |
| case IN_PORT: |
| result = inPort; |
| break; |
| case ETH_DST: |
| result = ethDst; |
| break; |
| case ETH_SRC: |
| result = ethSrc; |
| break; |
| case ETH_TYPE: |
| result = ethType; |
| break; |
| case VLAN_VID: |
| result = vlanVid; |
| break; |
| case VLAN_PCP: |
| result = vlanPcp; |
| break; |
| case ARP_OP: |
| result = ArpOpcode.of(ipProto.getIpProtocolNumber()); |
| break; |
| case ARP_SPA: |
| result = ipv4Src; |
| break; |
| case ARP_TPA: |
| result = ipv4Dst; |
| break; |
| case IP_DSCP: |
| result = ipDscp; |
| break; |
| case IP_PROTO: |
| result = ipProto; |
| break; |
| case IPV4_SRC: |
| result = ipv4Src; |
| break; |
| case IPV4_DST: |
| result = ipv4Dst; |
| break; |
| case TCP_SRC: |
| result = tcpSrc; |
| break; |
| case TCP_DST: |
| result = tcpDst; |
| break; |
| case UDP_SRC: |
| result = tcpSrc; |
| break; |
| case UDP_DST: |
| result = tcpDst; |
| break; |
| case SCTP_SRC: |
| result = tcpSrc; |
| break; |
| case SCTP_DST: |
| result = tcpDst; |
| break; |
| case ICMPV4_TYPE: |
| result = tcpSrc; |
| break; |
| case ICMPV4_CODE: |
| result = tcpDst; |
| break; |
| // NOT SUPPORTED: |
| default: |
| throw new UnsupportedOperationException("OFMatch does not support matching on field " + field.getName()); |
| } |
| return (F)result; |
| } |
| |
| @SuppressWarnings("unchecked") |
| @Override |
| public <F extends OFValueType<F>> Masked<F> getMasked(MatchField<F> field) |
| throws UnsupportedOperationException { |
| if (!isPartiallyMasked(field)) |
| return null; |
| Object result; |
| switch (field.id) { |
| case IPV4_SRC: |
| case ARP_SPA: |
| int srcBitMask = (-1) << (32 - getIpv4SrcCidrMaskLen()); |
| result = IPv4AddressWithMask.of(ipv4Src, IPv4Address.of(srcBitMask)); |
| break; |
| case IPV4_DST: |
| case ARP_TPA: |
| int dstMaskedBits = Math.min(32, (wildcards & OFPFW_NW_DST_MASK) >> OFPFW_NW_DST_SHIFT); |
| int dstBitMask = (-1) << (32 - getIpv4DstCidrMaskLen()); |
| |
| result = IPv4AddressWithMask.of(ipv4Dst, IPv4Address.of(dstBitMask)); |
| break; |
| default: |
| throw new UnsupportedOperationException("OFMatch does not support masked matching on field " + field.getName()); |
| } |
| return (Masked<F>)result; |
| } |
| |
| @Override |
| public boolean supports(MatchField<?> field) { |
| switch (field.id) { |
| case IN_PORT: |
| case ETH_DST: |
| case ETH_SRC: |
| case ETH_TYPE: |
| case VLAN_VID: |
| case VLAN_PCP: |
| case ARP_OP: |
| case ARP_SPA: |
| case ARP_TPA: |
| case IP_DSCP: |
| case IP_PROTO: |
| case IPV4_SRC: |
| case IPV4_DST: |
| case TCP_SRC: |
| case TCP_DST: |
| case UDP_SRC: |
| case UDP_DST: |
| case SCTP_SRC: |
| case SCTP_DST: |
| case ICMPV4_TYPE: |
| case ICMPV4_CODE: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| @Override |
| public boolean supportsMasked(MatchField<?> field) { |
| switch (field.id) { |
| case ARP_SPA: |
| case ARP_TPA: |
| case IPV4_SRC: |
| case IPV4_DST: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| @Override |
| public boolean isExact(MatchField<?> field) { |
| switch (field.id) { |
| case IN_PORT: |
| return (this.wildcards & OFPFW_IN_PORT) == 0; |
| case ETH_DST: |
| return (this.wildcards & OFPFW_DL_DST) == 0; |
| case ETH_SRC: |
| return (this.wildcards & OFPFW_DL_SRC) == 0; |
| case ETH_TYPE: |
| return (this.wildcards & OFPFW_DL_TYPE) == 0; |
| case VLAN_VID: |
| return (this.wildcards & OFPFW_DL_VLAN) == 0; |
| case VLAN_PCP: |
| return (this.wildcards & OFPFW_DL_VLAN_PCP) == 0; |
| case ARP_OP: |
| return (this.wildcards & OFPFW_NW_PROTO) == 0; |
| case ARP_SPA: |
| return this.getIpv4SrcCidrMaskLen() >= 32; |
| case ARP_TPA: |
| return this.getIpv4DstCidrMaskLen() >= 32; |
| case IP_DSCP: |
| return (this.wildcards & OFPFW_NW_TOS) == 0; |
| case IP_PROTO: |
| return (this.wildcards & OFPFW_NW_PROTO) == 0; |
| case IPV4_SRC: |
| return this.getIpv4SrcCidrMaskLen() >= 32; |
| case IPV4_DST: |
| return this.getIpv4DstCidrMaskLen() >= 32; |
| case TCP_SRC: |
| return (this.wildcards & OFPFW_TP_SRC) == 0; |
| case TCP_DST: |
| return (this.wildcards & OFPFW_TP_DST) == 0; |
| case UDP_SRC: |
| return (this.wildcards & OFPFW_TP_SRC) == 0; |
| case UDP_DST: |
| return (this.wildcards & OFPFW_TP_DST) == 0; |
| case SCTP_SRC: |
| return (this.wildcards & OFPFW_TP_SRC) == 0; |
| case SCTP_DST: |
| return (this.wildcards & OFPFW_TP_DST) == 0; |
| case ICMPV4_TYPE: |
| return (this.wildcards & OFPFW_TP_SRC) == 0; |
| case ICMPV4_CODE: |
| return (this.wildcards & OFPFW_TP_DST) == 0; |
| default: |
| throw new UnsupportedOperationException("OFMatch does not support matching on field " + field.getName()); |
| } |
| } |
| |
| /** |
| * Parse this match's wildcard fields and return the number of significant |
| * bits in the IP destination field. NOTE: this returns the number of bits |
| * that are fixed, i.e., like CIDR, not the number of bits that are free |
| * like OpenFlow encodes. |
| * |
| * @return A number between 0 (matches all IPs) and 32 (exact match) |
| */ |
| public int getIpv4DstCidrMaskLen() { |
| return Math.max(32 - ((wildcards & OFPFW_NW_DST_MASK) >> OFPFW_NW_DST_SHIFT), |
| 0); |
| } |
| |
| /** |
| * Parse this match's wildcard fields and return the number of significant |
| * bits in the IP destination field. NOTE: this returns the number of bits |
| * that are fixed, i.e., like CIDR, not the number of bits that are free |
| * like OpenFlow encodes. |
| * |
| * @return A number between 0 (matches all IPs) and 32 (exact match) |
| */ |
| public int getIpv4SrcCidrMaskLen() { |
| return Math.max(32 - ((wildcards & OFPFW_NW_SRC_MASK) >> OFPFW_NW_SRC_SHIFT), |
| 0); |
| } |
| |
| |
| @Override |
| public boolean isFullyWildcarded(MatchField<?> field) { |
| switch (field.id) { |
| case IN_PORT: |
| return (this.wildcards & OFPFW_IN_PORT) != 0; |
| case ETH_DST: |
| return (this.wildcards & OFPFW_DL_DST) != 0; |
| case ETH_SRC: |
| return (this.wildcards & OFPFW_DL_SRC) != 0; |
| case ETH_TYPE: |
| return (this.wildcards & OFPFW_DL_TYPE) != 0; |
| case VLAN_VID: |
| return (this.wildcards & OFPFW_DL_VLAN) != 0; |
| case VLAN_PCP: |
| return (this.wildcards & OFPFW_DL_VLAN_PCP) != 0; |
| case ARP_OP: |
| return (this.wildcards & OFPFW_NW_PROTO) != 0; |
| case ARP_SPA: |
| return this.getIpv4SrcCidrMaskLen() <= 0; |
| case ARP_TPA: |
| return this.getIpv4DstCidrMaskLen() <= 0; |
| case IP_DSCP: |
| return (this.wildcards & OFPFW_NW_TOS) != 0; |
| case IP_PROTO: |
| return (this.wildcards & OFPFW_NW_PROTO) != 0; |
| case TCP_SRC: |
| return (this.wildcards & OFPFW_TP_SRC) != 0; |
| case TCP_DST: |
| return (this.wildcards & OFPFW_TP_DST) != 0; |
| case UDP_SRC: |
| return (this.wildcards & OFPFW_TP_SRC) != 0; |
| case UDP_DST: |
| return (this.wildcards & OFPFW_TP_DST) != 0; |
| case SCTP_SRC: |
| return (this.wildcards & OFPFW_TP_SRC) != 0; |
| case SCTP_DST: |
| return (this.wildcards & OFPFW_TP_DST) != 0; |
| case ICMPV4_TYPE: |
| return (this.wildcards & OFPFW_TP_SRC) != 0; |
| case ICMPV4_CODE: |
| return (this.wildcards & OFPFW_TP_DST) != 0; |
| case IPV4_SRC: |
| return this.getIpv4SrcCidrMaskLen() <= 0; |
| case IPV4_DST: |
| return this.getIpv4DstCidrMaskLen() <= 0; |
| default: |
| throw new UnsupportedOperationException("OFMatch does not support matching on field " + field.getName()); |
| } |
| } |
| |
| @Override |
| public boolean isPartiallyMasked(MatchField<?> field) { |
| switch (field.id) { |
| case ARP_SPA: |
| case IPV4_SRC: |
| int srcCidrLen = getIpv4SrcCidrMaskLen(); |
| return srcCidrLen > 0 && srcCidrLen < 32; |
| case ARP_TPA: |
| case IPV4_DST: |
| int dstCidrLen = getIpv4DstCidrMaskLen(); |
| return dstCidrLen > 0 && dstCidrLen < 32; |
| default: |
| throw new UnsupportedOperationException("OFMatch does not support masked matching on field " + field.getName()); |
| } |
| } |
| |
| private final void initWildcards() { |
| if(!wildcardsSet) { |
| wildcards = parentMessage.wildcards; |
| wildcardsSet = true; |
| } |
| } |
| |
| @Override |
| public <F extends OFValueType<F>> Match.Builder setExact(MatchField<F> field, |
| F value) { |
| initWildcards(); |
| Object val = value; |
| switch (field.id) { |
| case ETH_DST: |
| setEthDst((MacAddress) value); |
| wildcards &= ~OFPFW_DL_DST; |
| break; |
| case ETH_SRC: |
| setEthSrc((MacAddress) value); |
| wildcards &= ~OFPFW_DL_SRC; |
| break; |
| case ETH_TYPE: |
| setEthType((EthType) value); |
| wildcards &= ~OFPFW_DL_TYPE; |
| break; |
| case ICMPV4_CODE: |
| setTcpDst(TransportPort.of(((ICMPv4Code)value).getCode())); |
| wildcards &= ~OFPFW_TP_DST; |
| break; |
| case ICMPV4_TYPE: |
| setTcpSrc(TransportPort.of(((ICMPv4Type)value).getType())); |
| wildcards &= ~OFPFW_TP_SRC; |
| break; |
| case IN_PORT: |
| setInPort((OFPort) value); |
| wildcards &= ~OFPFW_IN_PORT; |
| break; |
| case ARP_OP: |
| setIpProto(IpProtocol.of((short)((ArpOpcode)value).getOpcode())); |
| wildcards &= ~OFPFW_NW_PROTO; |
| break; |
| case ARP_TPA: |
| case IPV4_DST: |
| setIpv4Dst((IPv4Address) value); |
| wildcards &= ~OFPFW_NW_DST_MASK; |
| break; |
| case ARP_SPA: |
| case IPV4_SRC: |
| setIpv4Src((IPv4Address) value); |
| wildcards &= ~OFPFW_NW_SRC_MASK; |
| break; |
| case IP_DSCP: |
| setIpDscp((IpDscp) value); |
| wildcards &= ~OFPFW_NW_TOS; |
| break; |
| case IP_PROTO: |
| setIpProto((IpProtocol) value); |
| wildcards &= ~OFPFW_NW_PROTO; |
| break; |
| case SCTP_DST: |
| setTcpDst((TransportPort) value); |
| wildcards &= ~OFPFW_TP_DST; |
| break; |
| case SCTP_SRC: |
| setTcpSrc((TransportPort) value); |
| wildcards &= ~OFPFW_TP_SRC; |
| break; |
| case TCP_DST: |
| setTcpDst((TransportPort) value); |
| wildcards &= ~OFPFW_TP_DST; |
| break; |
| case TCP_SRC: |
| setTcpSrc((TransportPort) value); |
| wildcards &= ~OFPFW_TP_SRC; |
| break; |
| case UDP_DST: |
| setTcpDst((TransportPort) value); |
| wildcards &= ~OFPFW_TP_DST; |
| break; |
| case UDP_SRC: |
| setTcpSrc((TransportPort) value); |
| wildcards &= ~OFPFW_TP_SRC; |
| break; |
| case VLAN_PCP: |
| setVlanPcp((VlanPcp) value); |
| wildcards &= ~OFPFW_DL_VLAN_PCP; |
| break; |
| case VLAN_VID: |
| setVlanVid((OFVlanVidMatch) value); |
| wildcards &= ~OFPFW_DL_VLAN; |
| break; |
| default: |
| throw new UnsupportedOperationException( |
| "OFMatch does not support matching on field " + field.getName()); |
| } |
| return this; |
| } |
| |
| @Override |
| public <F extends OFValueType<F>> Match.Builder setMasked(MatchField<F> field, |
| F value, F mask) { |
| initWildcards(); |
| switch (field.id) { |
| case ARP_SPA: |
| case ARP_TPA: |
| case IPV4_DST: |
| case IPV4_SRC: |
| Object valObj = value; |
| Object masObj = mask; |
| IPv4Address ip = ((IPv4Address)valObj); |
| int maskval = ((IPv4Address)masObj).getInt(); |
| if (Integer.bitCount(~maskval + 1) != 1) |
| throw new UnsupportedOperationException("OFMatch only supports CIDR masks for IPv4"); |
| int maskLen = 32 - Integer.bitCount(maskval); |
| switch(field.id) { |
| case ARP_TPA: |
| case IPV4_DST: |
| setIpv4Dst(ip); |
| wildcards = (wildcards &~OFPFW_NW_DST_MASK) | (maskLen << OFPFW_NW_DST_SHIFT); |
| break; |
| case ARP_SPA: |
| case IPV4_SRC: |
| setIpv4Src(ip); |
| wildcards = (wildcards &~OFPFW_NW_SRC_MASK) | (maskLen << OFPFW_NW_SRC_SHIFT); |
| break; |
| default: |
| // Cannot really get here |
| break; |
| } |
| break; |
| default: |
| throw new UnsupportedOperationException("OFMatch does not support masked matching on field " + field.getName()); |
| } |
| return this; |
| } |
| |
| @Override |
| public <F extends OFValueType<F>> Match.Builder setMasked(MatchField<F> field, Masked<F> valueWithMask) |
| throws UnsupportedOperationException { |
| return this.setMasked(field, valueWithMask.getValue(), valueWithMask.getMask()); |
| } |
| |
| @Override |
| public <F extends OFValueType<F>> Match.Builder wildcard(MatchField<F> field) { |
| initWildcards(); |
| switch (field.id) { |
| case ETH_DST: |
| setEthDst(MacAddress.NONE); |
| wildcards |= OFPFW_DL_DST; |
| break; |
| case ETH_SRC: |
| setEthSrc(MacAddress.NONE); |
| wildcards |= OFPFW_DL_SRC; |
| break; |
| case ETH_TYPE: |
| setEthType(EthType.NONE); |
| wildcards |= OFPFW_DL_TYPE; |
| break; |
| case ICMPV4_CODE: |
| case TCP_DST: |
| case UDP_DST: |
| case SCTP_DST: |
| setTcpDst(TransportPort.NONE); |
| wildcards |= OFPFW_TP_DST; |
| break; |
| case ICMPV4_TYPE: |
| case TCP_SRC: |
| case UDP_SRC: |
| case SCTP_SRC: |
| setTcpSrc(TransportPort.NONE); |
| wildcards |= OFPFW_TP_SRC; |
| break; |
| case IN_PORT: |
| setInPort(OFPort.of(0)); // NOTE: not 'NONE' -- that is 0xFF for ports |
| wildcards |= OFPFW_IN_PORT; |
| break; |
| case ARP_TPA: |
| case IPV4_DST: |
| setIpv4Dst(IPv4Address.NONE); |
| wildcards |= OFPFW_NW_DST_MASK; |
| break; |
| case ARP_SPA: |
| case IPV4_SRC: |
| setIpv4Src(IPv4Address.NONE); |
| wildcards |= OFPFW_NW_SRC_MASK; |
| break; |
| case IP_DSCP: |
| setIpDscp(IpDscp.NONE); |
| wildcards |= OFPFW_NW_TOS; |
| break; |
| case IP_PROTO: |
| setIpProto(IpProtocol.NONE); |
| wildcards |= OFPFW_NW_PROTO; |
| break; |
| case VLAN_PCP: |
| setVlanPcp(VlanPcp.NONE); |
| wildcards |= OFPFW_DL_VLAN_PCP; |
| break; |
| case VLAN_VID: |
| setVlanVid(OFVlanVidMatch.NONE); |
| wildcards |= OFPFW_DL_VLAN; |
| break; |
| default: |
| throw new UnsupportedOperationException("OFMatch does not support matching on field " + field.getName()); |
| } |
| return this; |
| } |
| |
| } |
| |
| static class Builder implements OFMatchV1.Builder { |
| // OF message fields |
| private boolean wildcardsSet; |
| private int wildcards; |
| private boolean inPortSet; |
| private OFPort inPort; |
| private boolean ethSrcSet; |
| private MacAddress ethSrc; |
| private boolean ethDstSet; |
| private MacAddress ethDst; |
| private boolean vlanVidSet; |
| private OFVlanVidMatch vlanVid; |
| private boolean vlanPcpSet; |
| private VlanPcp vlanPcp; |
| private boolean ethTypeSet; |
| private EthType ethType; |
| private boolean ipDscpSet; |
| private IpDscp ipDscp; |
| private boolean ipProtoSet; |
| private IpProtocol ipProto; |
| private boolean ipv4SrcSet; |
| private IPv4Address ipv4Src; |
| private boolean ipv4DstSet; |
| private IPv4Address ipv4Dst; |
| private boolean tcpSrcSet; |
| private TransportPort tcpSrc; |
| private boolean tcpDstSet; |
| private TransportPort tcpDst; |
| |
| @Override |
| public int getWildcards() { |
| return wildcards; |
| } |
| |
| @Override |
| public OFMatchV1.Builder setWildcards(int wildcards) { |
| this.wildcards = wildcards; |
| this.wildcardsSet = true; |
| return this; |
| } |
| @Override |
| public OFPort getInPort() { |
| return inPort; |
| } |
| |
| @Override |
| public OFMatchV1.Builder setInPort(OFPort inPort) { |
| this.inPort = inPort; |
| this.inPortSet = true; |
| return this; |
| } |
| @Override |
| public MacAddress getEthSrc() { |
| return ethSrc; |
| } |
| |
| @Override |
| public OFMatchV1.Builder setEthSrc(MacAddress ethSrc) { |
| this.ethSrc = ethSrc; |
| this.ethSrcSet = true; |
| return this; |
| } |
| @Override |
| public MacAddress getEthDst() { |
| return ethDst; |
| } |
| |
| @Override |
| public OFMatchV1.Builder setEthDst(MacAddress ethDst) { |
| this.ethDst = ethDst; |
| this.ethDstSet = true; |
| return this; |
| } |
| @Override |
| public OFVlanVidMatch getVlanVid() { |
| return vlanVid; |
| } |
| |
| @Override |
| public OFMatchV1.Builder setVlanVid(OFVlanVidMatch vlanVid) { |
| this.vlanVid = vlanVid; |
| this.vlanVidSet = true; |
| return this; |
| } |
| @Override |
| public VlanPcp getVlanPcp() { |
| return vlanPcp; |
| } |
| |
| @Override |
| public OFMatchV1.Builder setVlanPcp(VlanPcp vlanPcp) { |
| this.vlanPcp = vlanPcp; |
| this.vlanPcpSet = true; |
| return this; |
| } |
| @Override |
| public EthType getEthType() { |
| return ethType; |
| } |
| |
| @Override |
| public OFMatchV1.Builder setEthType(EthType ethType) { |
| this.ethType = ethType; |
| this.ethTypeSet = true; |
| return this; |
| } |
| @Override |
| public IpDscp getIpDscp() { |
| return ipDscp; |
| } |
| |
| @Override |
| public OFMatchV1.Builder setIpDscp(IpDscp ipDscp) { |
| this.ipDscp = ipDscp; |
| this.ipDscpSet = true; |
| return this; |
| } |
| @Override |
| public IpProtocol getIpProto() { |
| return ipProto; |
| } |
| |
| @Override |
| public OFMatchV1.Builder setIpProto(IpProtocol ipProto) { |
| this.ipProto = ipProto; |
| this.ipProtoSet = true; |
| return this; |
| } |
| @Override |
| public IPv4Address getIpv4Src() { |
| return ipv4Src; |
| } |
| |
| @Override |
| public OFMatchV1.Builder setIpv4Src(IPv4Address ipv4Src) { |
| this.ipv4Src = ipv4Src; |
| this.ipv4SrcSet = true; |
| return this; |
| } |
| @Override |
| public IPv4Address getIpv4Dst() { |
| return ipv4Dst; |
| } |
| |
| @Override |
| public OFMatchV1.Builder setIpv4Dst(IPv4Address ipv4Dst) { |
| this.ipv4Dst = ipv4Dst; |
| this.ipv4DstSet = true; |
| return this; |
| } |
| @Override |
| public TransportPort getTcpSrc() { |
| return tcpSrc; |
| } |
| |
| @Override |
| public OFMatchV1.Builder setTcpSrc(TransportPort tcpSrc) { |
| this.tcpSrc = tcpSrc; |
| this.tcpSrcSet = true; |
| return this; |
| } |
| @Override |
| public TransportPort getTcpDst() { |
| return tcpDst; |
| } |
| |
| @Override |
| public OFMatchV1.Builder setTcpDst(TransportPort tcpDst) { |
| this.tcpDst = tcpDst; |
| this.tcpDstSet = true; |
| return this; |
| } |
| @Override |
| public OFVersion getVersion() { |
| return OFVersion.OF_10; |
| } |
| |
| // |
| @Override |
| public OFMatchV1 build() { |
| int wildcards = this.wildcardsSet ? this.wildcards : DEFAULT_WILDCARDS; |
| OFPort inPort = this.inPortSet ? this.inPort : DEFAULT_IN_PORT; |
| if(inPort == null) |
| throw new NullPointerException("Property inPort must not be null"); |
| MacAddress ethSrc = this.ethSrcSet ? this.ethSrc : DEFAULT_ETH_SRC; |
| if(ethSrc == null) |
| throw new NullPointerException("Property ethSrc must not be null"); |
| MacAddress ethDst = this.ethDstSet ? this.ethDst : DEFAULT_ETH_DST; |
| if(ethDst == null) |
| throw new NullPointerException("Property ethDst must not be null"); |
| OFVlanVidMatch vlanVid = this.vlanVidSet ? this.vlanVid : DEFAULT_VLAN_VID; |
| if(vlanVid == null) |
| throw new NullPointerException("Property vlanVid must not be null"); |
| VlanPcp vlanPcp = this.vlanPcpSet ? this.vlanPcp : DEFAULT_VLAN_PCP; |
| if(vlanPcp == null) |
| throw new NullPointerException("Property vlanPcp must not be null"); |
| EthType ethType = this.ethTypeSet ? this.ethType : DEFAULT_ETH_TYPE; |
| if(ethType == null) |
| throw new NullPointerException("Property ethType must not be null"); |
| IpDscp ipDscp = this.ipDscpSet ? this.ipDscp : DEFAULT_IP_DSCP; |
| if(ipDscp == null) |
| throw new NullPointerException("Property ipDscp must not be null"); |
| IpProtocol ipProto = this.ipProtoSet ? this.ipProto : DEFAULT_IP_PROTO; |
| if(ipProto == null) |
| throw new NullPointerException("Property ipProto must not be null"); |
| IPv4Address ipv4Src = this.ipv4SrcSet ? this.ipv4Src : DEFAULT_IPV4_SRC; |
| if(ipv4Src == null) |
| throw new NullPointerException("Property ipv4Src must not be null"); |
| IPv4Address ipv4Dst = this.ipv4DstSet ? this.ipv4Dst : DEFAULT_IPV4_DST; |
| if(ipv4Dst == null) |
| throw new NullPointerException("Property ipv4Dst must not be null"); |
| TransportPort tcpSrc = this.tcpSrcSet ? this.tcpSrc : DEFAULT_TCP_SRC; |
| if(tcpSrc == null) |
| throw new NullPointerException("Property tcpSrc must not be null"); |
| TransportPort tcpDst = this.tcpDstSet ? this.tcpDst : DEFAULT_TCP_DST; |
| if(tcpDst == null) |
| throw new NullPointerException("Property tcpDst must not be null"); |
| |
| // normalize match fields according to current OpenVSwitch behavior. When prerequisites for a field are not met |
| // e.g., eth_type is not set to 0x800, OVS sets the value of corresponding ignored fields (e.g., |
| // ip_src, tcp_dst) to 0, and sets the wildcard bit to 1. |
| if(ethType.equals(EthType.IPv4)) { |
| // IP |
| if(ipProto.equals(IpProtocol.TCP) || ipProto.equals(IpProtocol.UDP) || ipProto.equals(IpProtocol.ICMP)) { |
| // fully speced, wildcards and all values are fine |
| // normalize 32-63 ipv4 src 'mask' to a full bitmask |
| if((wildcards & OFPFW_NW_SRC_ALL) != 0) |
| wildcards |= OFPFW_NW_SRC_MASK; |
| |
| // normalize 32-63 ipv4 dst 'mask' to a full bitmask |
| if((wildcards & OFPFW_NW_DST_ALL) != 0) |
| wildcards |= OFPFW_NW_DST_MASK; |
| |
| } else { |
| // normalize 32-63 ipv4 src 'mask' to a full bitmask |
| if((wildcards & OFPFW_NW_SRC_ALL) != 0) |
| wildcards |= OFPFW_NW_SRC_MASK; |
| |
| // normalize 32-63 ipv4 dst 'mask' to a full bitmask |
| if((wildcards & OFPFW_NW_DST_ALL) != 0) |
| wildcards |= OFPFW_NW_DST_MASK; |
| |
| // not TCP/UDP/ICMP -> Clear TP wildcards for the wire |
| wildcards |= (OFPFW_TP_SRC | OFPFW_TP_DST); |
| tcpSrc = TransportPort.NONE; |
| tcpDst = TransportPort.NONE; |
| } |
| } else if (ethType.equals(EthType.ARP)) { |
| // normalize 32-63 ipv4 src 'mask' to a full bitmask |
| if((wildcards & OFPFW_NW_SRC_ALL) != 0) |
| wildcards |= OFPFW_NW_SRC_MASK; |
| |
| // normalize 32-63 ipv4 dst 'mask' to a full bitmask |
| if((wildcards & OFPFW_NW_DST_ALL) != 0) |
| wildcards |= OFPFW_NW_DST_MASK; |
| |
| // ARP: clear NW_TOS / TP wildcards for the wire |
| wildcards |= ( OFPFW_NW_TOS | OFPFW_TP_SRC | OFPFW_TP_DST); |
| ipDscp = IpDscp.NONE; |
| tcpSrc = TransportPort.NONE; |
| tcpDst = TransportPort.NONE; |
| } else { |
| // not even IP. Clear NW/TP wildcards for the wire |
| wildcards |= ( OFPFW_NW_TOS | OFPFW_NW_PROTO | OFPFW_NW_SRC_MASK | OFPFW_NW_DST_MASK | OFPFW_TP_SRC | OFPFW_TP_DST); |
| ipDscp = IpDscp.NONE; |
| ipProto = IpProtocol.NONE; |
| ipv4Src = IPv4Address.NONE; |
| ipv4Dst = IPv4Address.NONE; |
| tcpSrc = TransportPort.NONE; |
| tcpDst = TransportPort.NONE; |
| } |
| |
| return new OFMatchV1Ver10( |
| wildcards, |
| inPort, |
| ethSrc, |
| ethDst, |
| vlanVid, |
| vlanPcp, |
| ethType, |
| ipDscp, |
| ipProto, |
| ipv4Src, |
| ipv4Dst, |
| tcpSrc, |
| tcpDst |
| ); |
| } |
| @SuppressWarnings("unchecked") |
| @Override |
| public <F extends OFValueType<F>> F get(MatchField<F> field) |
| throws UnsupportedOperationException { |
| if (isFullyWildcarded(field)) |
| return null; |
| |
| Object result; |
| switch (field.id) { |
| case IN_PORT: |
| result = inPort; |
| break; |
| case ETH_DST: |
| result = ethDst; |
| break; |
| case ETH_SRC: |
| result = ethSrc; |
| break; |
| case ETH_TYPE: |
| result = ethType; |
| break; |
| case VLAN_VID: |
| result = vlanVid; |
| break; |
| case VLAN_PCP: |
| result = vlanPcp; |
| break; |
| case ARP_OP: |
| result = ArpOpcode.of(ipProto.getIpProtocolNumber()); |
| break; |
| case ARP_SPA: |
| result = ipv4Src; |
| break; |
| case ARP_TPA: |
| result = ipv4Dst; |
| break; |
| case IP_DSCP: |
| result = ipDscp; |
| break; |
| case IP_PROTO: |
| result = ipProto; |
| break; |
| case IPV4_SRC: |
| result = ipv4Src; |
| break; |
| case IPV4_DST: |
| result = ipv4Dst; |
| break; |
| case TCP_SRC: |
| result = tcpSrc; |
| break; |
| case TCP_DST: |
| result = tcpDst; |
| break; |
| case UDP_SRC: |
| result = tcpSrc; |
| break; |
| case UDP_DST: |
| result = tcpDst; |
| break; |
| case SCTP_SRC: |
| result = tcpSrc; |
| break; |
| case SCTP_DST: |
| result = tcpDst; |
| break; |
| case ICMPV4_TYPE: |
| result = tcpSrc; |
| break; |
| case ICMPV4_CODE: |
| result = tcpDst; |
| break; |
| // NOT SUPPORTED: |
| default: |
| throw new UnsupportedOperationException("OFMatch does not support matching on field " + field.getName()); |
| } |
| return (F)result; |
| } |
| |
| @SuppressWarnings("unchecked") |
| @Override |
| public <F extends OFValueType<F>> Masked<F> getMasked(MatchField<F> field) |
| throws UnsupportedOperationException { |
| if (!isPartiallyMasked(field)) |
| return null; |
| Object result; |
| switch (field.id) { |
| case IPV4_SRC: |
| case ARP_SPA: |
| int srcBitMask = (-1) << (32 - getIpv4SrcCidrMaskLen()); |
| result = IPv4AddressWithMask.of(ipv4Src, IPv4Address.of(srcBitMask)); |
| break; |
| case IPV4_DST: |
| case ARP_TPA: |
| int dstMaskedBits = Math.min(32, (wildcards & OFPFW_NW_DST_MASK) >> OFPFW_NW_DST_SHIFT); |
| int dstBitMask = (-1) << (32 - getIpv4DstCidrMaskLen()); |
| |
| result = IPv4AddressWithMask.of(ipv4Dst, IPv4Address.of(dstBitMask)); |
| break; |
| default: |
| throw new UnsupportedOperationException("OFMatch does not support masked matching on field " + field.getName()); |
| } |
| return (Masked<F>)result; |
| } |
| |
| @Override |
| public boolean supports(MatchField<?> field) { |
| switch (field.id) { |
| case IN_PORT: |
| case ETH_DST: |
| case ETH_SRC: |
| case ETH_TYPE: |
| case VLAN_VID: |
| case VLAN_PCP: |
| case ARP_OP: |
| case ARP_SPA: |
| case ARP_TPA: |
| case IP_DSCP: |
| case IP_PROTO: |
| case IPV4_SRC: |
| case IPV4_DST: |
| case TCP_SRC: |
| case TCP_DST: |
| case UDP_SRC: |
| case UDP_DST: |
| case SCTP_SRC: |
| case SCTP_DST: |
| case ICMPV4_TYPE: |
| case ICMPV4_CODE: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| @Override |
| public boolean supportsMasked(MatchField<?> field) { |
| switch (field.id) { |
| case ARP_SPA: |
| case ARP_TPA: |
| case IPV4_SRC: |
| case IPV4_DST: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| @Override |
| public boolean isExact(MatchField<?> field) { |
| switch (field.id) { |
| case IN_PORT: |
| return (this.wildcards & OFPFW_IN_PORT) == 0; |
| case ETH_DST: |
| return (this.wildcards & OFPFW_DL_DST) == 0; |
| case ETH_SRC: |
| return (this.wildcards & OFPFW_DL_SRC) == 0; |
| case ETH_TYPE: |
| return (this.wildcards & OFPFW_DL_TYPE) == 0; |
| case VLAN_VID: |
| return (this.wildcards & OFPFW_DL_VLAN) == 0; |
| case VLAN_PCP: |
| return (this.wildcards & OFPFW_DL_VLAN_PCP) == 0; |
| case ARP_OP: |
| return (this.wildcards & OFPFW_NW_PROTO) == 0; |
| case ARP_SPA: |
| return this.getIpv4SrcCidrMaskLen() >= 32; |
| case ARP_TPA: |
| return this.getIpv4DstCidrMaskLen() >= 32; |
| case IP_DSCP: |
| return (this.wildcards & OFPFW_NW_TOS) == 0; |
| case IP_PROTO: |
| return (this.wildcards & OFPFW_NW_PROTO) == 0; |
| case IPV4_SRC: |
| return this.getIpv4SrcCidrMaskLen() >= 32; |
| case IPV4_DST: |
| return this.getIpv4DstCidrMaskLen() >= 32; |
| case TCP_SRC: |
| return (this.wildcards & OFPFW_TP_SRC) == 0; |
| case TCP_DST: |
| return (this.wildcards & OFPFW_TP_DST) == 0; |
| case UDP_SRC: |
| return (this.wildcards & OFPFW_TP_SRC) == 0; |
| case UDP_DST: |
| return (this.wildcards & OFPFW_TP_DST) == 0; |
| case SCTP_SRC: |
| return (this.wildcards & OFPFW_TP_SRC) == 0; |
| case SCTP_DST: |
| return (this.wildcards & OFPFW_TP_DST) == 0; |
| case ICMPV4_TYPE: |
| return (this.wildcards & OFPFW_TP_SRC) == 0; |
| case ICMPV4_CODE: |
| return (this.wildcards & OFPFW_TP_DST) == 0; |
| default: |
| throw new UnsupportedOperationException("OFMatch does not support matching on field " + field.getName()); |
| } |
| } |
| |
| /** |
| * Parse this match's wildcard fields and return the number of significant |
| * bits in the IP destination field. NOTE: this returns the number of bits |
| * that are fixed, i.e., like CIDR, not the number of bits that are free |
| * like OpenFlow encodes. |
| * |
| * @return A number between 0 (matches all IPs) and 32 (exact match) |
| */ |
| public int getIpv4DstCidrMaskLen() { |
| return Math.max(32 - ((wildcards & OFPFW_NW_DST_MASK) >> OFPFW_NW_DST_SHIFT), |
| 0); |
| } |
| |
| /** |
| * Parse this match's wildcard fields and return the number of significant |
| * bits in the IP destination field. NOTE: this returns the number of bits |
| * that are fixed, i.e., like CIDR, not the number of bits that are free |
| * like OpenFlow encodes. |
| * |
| * @return A number between 0 (matches all IPs) and 32 (exact match) |
| */ |
| public int getIpv4SrcCidrMaskLen() { |
| return Math.max(32 - ((wildcards & OFPFW_NW_SRC_MASK) >> OFPFW_NW_SRC_SHIFT), |
| 0); |
| } |
| |
| |
| @Override |
| public boolean isFullyWildcarded(MatchField<?> field) { |
| switch (field.id) { |
| case IN_PORT: |
| return (this.wildcards & OFPFW_IN_PORT) != 0; |
| case ETH_DST: |
| return (this.wildcards & OFPFW_DL_DST) != 0; |
| case ETH_SRC: |
| return (this.wildcards & OFPFW_DL_SRC) != 0; |
| case ETH_TYPE: |
| return (this.wildcards & OFPFW_DL_TYPE) != 0; |
| case VLAN_VID: |
| return (this.wildcards & OFPFW_DL_VLAN) != 0; |
| case VLAN_PCP: |
| return (this.wildcards & OFPFW_DL_VLAN_PCP) != 0; |
| case ARP_OP: |
| return (this.wildcards & OFPFW_NW_PROTO) != 0; |
| case ARP_SPA: |
| return this.getIpv4SrcCidrMaskLen() <= 0; |
| case ARP_TPA: |
| return this.getIpv4DstCidrMaskLen() <= 0; |
| case IP_DSCP: |
| return (this.wildcards & OFPFW_NW_TOS) != 0; |
| case IP_PROTO: |
| return (this.wildcards & OFPFW_NW_PROTO) != 0; |
| case TCP_SRC: |
| return (this.wildcards & OFPFW_TP_SRC) != 0; |
| case TCP_DST: |
| return (this.wildcards & OFPFW_TP_DST) != 0; |
| case UDP_SRC: |
| return (this.wildcards & OFPFW_TP_SRC) != 0; |
| case UDP_DST: |
| return (this.wildcards & OFPFW_TP_DST) != 0; |
| case SCTP_SRC: |
| return (this.wildcards & OFPFW_TP_SRC) != 0; |
| case SCTP_DST: |
| return (this.wildcards & OFPFW_TP_DST) != 0; |
| case ICMPV4_TYPE: |
| return (this.wildcards & OFPFW_TP_SRC) != 0; |
| case ICMPV4_CODE: |
| return (this.wildcards & OFPFW_TP_DST) != 0; |
| case IPV4_SRC: |
| return this.getIpv4SrcCidrMaskLen() <= 0; |
| case IPV4_DST: |
| return this.getIpv4DstCidrMaskLen() <= 0; |
| default: |
| throw new UnsupportedOperationException("OFMatch does not support matching on field " + field.getName()); |
| } |
| } |
| |
| @Override |
| public boolean isPartiallyMasked(MatchField<?> field) { |
| switch (field.id) { |
| case ARP_SPA: |
| case IPV4_SRC: |
| int srcCidrLen = getIpv4SrcCidrMaskLen(); |
| return srcCidrLen > 0 && srcCidrLen < 32; |
| case ARP_TPA: |
| case IPV4_DST: |
| int dstCidrLen = getIpv4DstCidrMaskLen(); |
| return dstCidrLen > 0 && dstCidrLen < 32; |
| default: |
| throw new UnsupportedOperationException("OFMatch does not support masked matching on field " + field.getName()); |
| } |
| } |
| |
| private final void initWildcards() { |
| if(!wildcardsSet) { |
| wildcards = OFPFW_ALL; |
| wildcardsSet = true; |
| } |
| } |
| |
| @Override |
| public <F extends OFValueType<F>> Match.Builder setExact(MatchField<F> field, |
| F value) { |
| initWildcards(); |
| Object val = value; |
| switch (field.id) { |
| case ETH_DST: |
| setEthDst((MacAddress) value); |
| wildcards &= ~OFPFW_DL_DST; |
| break; |
| case ETH_SRC: |
| setEthSrc((MacAddress) value); |
| wildcards &= ~OFPFW_DL_SRC; |
| break; |
| case ETH_TYPE: |
| setEthType((EthType) value); |
| wildcards &= ~OFPFW_DL_TYPE; |
| break; |
| case ICMPV4_CODE: |
| setTcpDst(TransportPort.of(((ICMPv4Code)value).getCode())); |
| wildcards &= ~OFPFW_TP_DST; |
| break; |
| case ICMPV4_TYPE: |
| setTcpSrc(TransportPort.of(((ICMPv4Type)value).getType())); |
| wildcards &= ~OFPFW_TP_SRC; |
| break; |
| case IN_PORT: |
| setInPort((OFPort) value); |
| wildcards &= ~OFPFW_IN_PORT; |
| break; |
| case ARP_OP: |
| setIpProto(IpProtocol.of((short)((ArpOpcode)value).getOpcode())); |
| wildcards &= ~OFPFW_NW_PROTO; |
| break; |
| case ARP_TPA: |
| case IPV4_DST: |
| setIpv4Dst((IPv4Address) value); |
| wildcards &= ~OFPFW_NW_DST_MASK; |
| break; |
| case ARP_SPA: |
| case IPV4_SRC: |
| setIpv4Src((IPv4Address) value); |
| wildcards &= ~OFPFW_NW_SRC_MASK; |
| break; |
| case IP_DSCP: |
| setIpDscp((IpDscp) value); |
| wildcards &= ~OFPFW_NW_TOS; |
| break; |
| case IP_PROTO: |
| setIpProto((IpProtocol) value); |
| wildcards &= ~OFPFW_NW_PROTO; |
| break; |
| case SCTP_DST: |
| setTcpDst((TransportPort) value); |
| wildcards &= ~OFPFW_TP_DST; |
| break; |
| case SCTP_SRC: |
| setTcpSrc((TransportPort) value); |
| wildcards &= ~OFPFW_TP_SRC; |
| break; |
| case TCP_DST: |
| setTcpDst((TransportPort) value); |
| wildcards &= ~OFPFW_TP_DST; |
| break; |
| case TCP_SRC: |
| setTcpSrc((TransportPort) value); |
| wildcards &= ~OFPFW_TP_SRC; |
| break; |
| case UDP_DST: |
| setTcpDst((TransportPort) value); |
| wildcards &= ~OFPFW_TP_DST; |
| break; |
| case UDP_SRC: |
| setTcpSrc((TransportPort) value); |
| wildcards &= ~OFPFW_TP_SRC; |
| break; |
| case VLAN_PCP: |
| setVlanPcp((VlanPcp) value); |
| wildcards &= ~OFPFW_DL_VLAN_PCP; |
| break; |
| case VLAN_VID: |
| setVlanVid((OFVlanVidMatch) value); |
| wildcards &= ~OFPFW_DL_VLAN; |
| break; |
| default: |
| throw new UnsupportedOperationException( |
| "OFMatch does not support matching on field " + field.getName()); |
| } |
| return this; |
| } |
| |
| @Override |
| public <F extends OFValueType<F>> Match.Builder setMasked(MatchField<F> field, |
| F value, F mask) { |
| initWildcards(); |
| switch (field.id) { |
| case ARP_SPA: |
| case ARP_TPA: |
| case IPV4_DST: |
| case IPV4_SRC: |
| Object valObj = value; |
| Object masObj = mask; |
| IPv4Address ip = ((IPv4Address)valObj); |
| int maskval = ((IPv4Address)masObj).getInt(); |
| if (Integer.bitCount(~maskval + 1) != 1) |
| throw new UnsupportedOperationException("OFMatch only supports CIDR masks for IPv4"); |
| int maskLen = 32 - Integer.bitCount(maskval); |
| switch(field.id) { |
| case ARP_TPA: |
| case IPV4_DST: |
| setIpv4Dst(ip); |
| wildcards = (wildcards &~OFPFW_NW_DST_MASK) | (maskLen << OFPFW_NW_DST_SHIFT); |
| break; |
| case ARP_SPA: |
| case IPV4_SRC: |
| setIpv4Src(ip); |
| wildcards = (wildcards &~OFPFW_NW_SRC_MASK) | (maskLen << OFPFW_NW_SRC_SHIFT); |
| break; |
| default: |
| // Cannot really get here |
| break; |
| } |
| break; |
| default: |
| throw new UnsupportedOperationException("OFMatch does not support masked matching on field " + field.getName()); |
| } |
| return this; |
| } |
| |
| @Override |
| public <F extends OFValueType<F>> Match.Builder setMasked(MatchField<F> field, Masked<F> valueWithMask) |
| throws UnsupportedOperationException { |
| return this.setMasked(field, valueWithMask.getValue(), valueWithMask.getMask()); |
| } |
| |
| @Override |
| public <F extends OFValueType<F>> Match.Builder wildcard(MatchField<F> field) { |
| initWildcards(); |
| switch (field.id) { |
| case ETH_DST: |
| setEthDst(MacAddress.NONE); |
| wildcards |= OFPFW_DL_DST; |
| break; |
| case ETH_SRC: |
| setEthSrc(MacAddress.NONE); |
| wildcards |= OFPFW_DL_SRC; |
| break; |
| case ETH_TYPE: |
| setEthType(EthType.NONE); |
| wildcards |= OFPFW_DL_TYPE; |
| break; |
| case ICMPV4_CODE: |
| case TCP_DST: |
| case UDP_DST: |
| case SCTP_DST: |
| setTcpDst(TransportPort.NONE); |
| wildcards |= OFPFW_TP_DST; |
| break; |
| case ICMPV4_TYPE: |
| case TCP_SRC: |
| case UDP_SRC: |
| case SCTP_SRC: |
| setTcpSrc(TransportPort.NONE); |
| wildcards |= OFPFW_TP_SRC; |
| break; |
| case IN_PORT: |
| setInPort(OFPort.of(0)); // NOTE: not 'NONE' -- that is 0xFF for ports |
| wildcards |= OFPFW_IN_PORT; |
| break; |
| case ARP_TPA: |
| case IPV4_DST: |
| setIpv4Dst(IPv4Address.NONE); |
| wildcards |= OFPFW_NW_DST_MASK; |
| break; |
| case ARP_SPA: |
| case IPV4_SRC: |
| setIpv4Src(IPv4Address.NONE); |
| wildcards |= OFPFW_NW_SRC_MASK; |
| break; |
| case IP_DSCP: |
| setIpDscp(IpDscp.NONE); |
| wildcards |= OFPFW_NW_TOS; |
| break; |
| case IP_PROTO: |
| setIpProto(IpProtocol.NONE); |
| wildcards |= OFPFW_NW_PROTO; |
| break; |
| case VLAN_PCP: |
| setVlanPcp(VlanPcp.NONE); |
| wildcards |= OFPFW_DL_VLAN_PCP; |
| break; |
| case VLAN_VID: |
| setVlanVid(OFVlanVidMatch.NONE); |
| wildcards |= OFPFW_DL_VLAN; |
| break; |
| default: |
| throw new UnsupportedOperationException("OFMatch does not support matching on field " + field.getName()); |
| } |
| return this; |
| } |
| |
| } |
| |
| |
| final static Reader READER = new Reader(); |
| static class Reader implements OFMessageReader<OFMatchV1> { |
| @Override |
| public OFMatchV1 readFrom(ChannelBuffer bb) throws OFParseError { |
| int wildcards = bb.readInt(); |
| OFPort inPort = OFPort.read2Bytes(bb); |
| MacAddress ethSrc = MacAddress.read6Bytes(bb); |
| MacAddress ethDst = MacAddress.read6Bytes(bb); |
| OFVlanVidMatch vlanVid = OFVlanVidMatch.read2BytesOF10(bb); |
| VlanPcp vlanPcp = VlanPcp.readByte(bb); |
| // pad: 1 bytes |
| bb.skipBytes(1); |
| EthType ethType = EthType.read2Bytes(bb); |
| IpDscp ipDscp = IpDscp.readByte(bb); |
| IpProtocol ipProto = IpProtocol.readByte(bb); |
| // pad: 2 bytes |
| bb.skipBytes(2); |
| IPv4Address ipv4Src = IPv4Address.read4Bytes(bb); |
| IPv4Address ipv4Dst = IPv4Address.read4Bytes(bb); |
| TransportPort tcpSrc = TransportPort.read2Bytes(bb); |
| TransportPort tcpDst = TransportPort.read2Bytes(bb); |
| |
| // normalize match fields according to current OpenVSwitch behavior. When prerequisites for a field are not met |
| // e.g., eth_type is not set to 0x800, OVS sets the value of corresponding ignored fields (e.g., |
| // ip_src, tcp_dst) to 0, and sets the wildcard bit to 1. |
| if(ethType.equals(EthType.IPv4)) { |
| // IP |
| if(ipProto.equals(IpProtocol.TCP) || ipProto.equals(IpProtocol.UDP) || ipProto.equals(IpProtocol.ICMP)) { |
| // fully speced, wildcards and all values are fine |
| // normalize 32-63 ipv4 src 'mask' to a full bitmask |
| if((wildcards & OFPFW_NW_SRC_ALL) != 0) |
| wildcards |= OFPFW_NW_SRC_MASK; |
| |
| // normalize 32-63 ipv4 dst 'mask' to a full bitmask |
| if((wildcards & OFPFW_NW_DST_ALL) != 0) |
| wildcards |= OFPFW_NW_DST_MASK; |
| |
| } else { |
| // normalize 32-63 ipv4 src 'mask' to a full bitmask |
| if((wildcards & OFPFW_NW_SRC_ALL) != 0) |
| wildcards |= OFPFW_NW_SRC_MASK; |
| |
| // normalize 32-63 ipv4 dst 'mask' to a full bitmask |
| if((wildcards & OFPFW_NW_DST_ALL) != 0) |
| wildcards |= OFPFW_NW_DST_MASK; |
| |
| // not TCP/UDP/ICMP -> Clear TP wildcards for the wire |
| wildcards |= (OFPFW_TP_SRC | OFPFW_TP_DST); |
| tcpSrc = TransportPort.NONE; |
| tcpDst = TransportPort.NONE; |
| } |
| } else if (ethType.equals(EthType.ARP)) { |
| // normalize 32-63 ipv4 src 'mask' to a full bitmask |
| if((wildcards & OFPFW_NW_SRC_ALL) != 0) |
| wildcards |= OFPFW_NW_SRC_MASK; |
| |
| // normalize 32-63 ipv4 dst 'mask' to a full bitmask |
| if((wildcards & OFPFW_NW_DST_ALL) != 0) |
| wildcards |= OFPFW_NW_DST_MASK; |
| |
| // ARP: clear NW_TOS / TP wildcards for the wire |
| wildcards |= ( OFPFW_NW_TOS | OFPFW_TP_SRC | OFPFW_TP_DST); |
| ipDscp = IpDscp.NONE; |
| tcpSrc = TransportPort.NONE; |
| tcpDst = TransportPort.NONE; |
| } else { |
| // not even IP. Clear NW/TP wildcards for the wire |
| wildcards |= ( OFPFW_NW_TOS | OFPFW_NW_PROTO | OFPFW_NW_SRC_MASK | OFPFW_NW_DST_MASK | OFPFW_TP_SRC | OFPFW_TP_DST); |
| ipDscp = IpDscp.NONE; |
| ipProto = IpProtocol.NONE; |
| ipv4Src = IPv4Address.NONE; |
| ipv4Dst = IPv4Address.NONE; |
| tcpSrc = TransportPort.NONE; |
| tcpDst = TransportPort.NONE; |
| } |
| OFMatchV1Ver10 matchV1Ver10 = new OFMatchV1Ver10( |
| wildcards, |
| inPort, |
| ethSrc, |
| ethDst, |
| vlanVid, |
| vlanPcp, |
| ethType, |
| ipDscp, |
| ipProto, |
| ipv4Src, |
| ipv4Dst, |
| tcpSrc, |
| tcpDst |
| ); |
| if(logger.isTraceEnabled()) |
| logger.trace("readFrom - read={}", matchV1Ver10); |
| return matchV1Ver10; |
| } |
| } |
| |
| public void putTo(PrimitiveSink sink) { |
| FUNNEL.funnel(this, sink); |
| } |
| |
| final static OFMatchV1Ver10Funnel FUNNEL = new OFMatchV1Ver10Funnel(); |
| static class OFMatchV1Ver10Funnel implements Funnel<OFMatchV1Ver10> { |
| private static final long serialVersionUID = 1L; |
| @Override |
| public void funnel(OFMatchV1Ver10 message, PrimitiveSink sink) { |
| sink.putInt(message.wildcards); |
| message.inPort.putTo(sink); |
| message.ethSrc.putTo(sink); |
| message.ethDst.putTo(sink); |
| message.vlanVid.putTo(sink); |
| message.vlanPcp.putTo(sink); |
| // skip pad (1 bytes) |
| message.ethType.putTo(sink); |
| message.ipDscp.putTo(sink); |
| message.ipProto.putTo(sink); |
| // skip pad (2 bytes) |
| message.ipv4Src.putTo(sink); |
| message.ipv4Dst.putTo(sink); |
| message.tcpSrc.putTo(sink); |
| message.tcpDst.putTo(sink); |
| } |
| } |
| |
| |
| public void writeTo(ChannelBuffer bb) { |
| WRITER.write(bb, this); |
| } |
| |
| final static Writer WRITER = new Writer(); |
| static class Writer implements OFMessageWriter<OFMatchV1Ver10> { |
| @Override |
| public void write(ChannelBuffer bb, OFMatchV1Ver10 message) { |
| bb.writeInt(message.wildcards); |
| message.inPort.write2Bytes(bb); |
| message.ethSrc.write6Bytes(bb); |
| message.ethDst.write6Bytes(bb); |
| message.vlanVid.write2BytesOF10(bb); |
| message.vlanPcp.writeByte(bb); |
| // pad: 1 bytes |
| bb.writeZero(1); |
| message.ethType.write2Bytes(bb); |
| message.ipDscp.writeByte(bb); |
| message.ipProto.writeByte(bb); |
| // pad: 2 bytes |
| bb.writeZero(2); |
| message.ipv4Src.write4Bytes(bb); |
| message.ipv4Dst.write4Bytes(bb); |
| message.tcpSrc.write2Bytes(bb); |
| message.tcpDst.write2Bytes(bb); |
| |
| |
| } |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder b = new StringBuilder("OFMatchV1Ver10("); |
| boolean first = true; |
| for(MatchField<?> field : getMatchFields()) { |
| if(first) |
| first = false; |
| else |
| b.append(", "); |
| String name = field.getName(); |
| b.append(name).append('=').append(this.get(field)); |
| if(isPartiallyMasked(field)) { |
| b.append('/').append(this.getMasked(field).getMask()); |
| } |
| } |
| b.append(")"); |
| return b.toString(); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) |
| return true; |
| if (obj == null) |
| return false; |
| if (getClass() != obj.getClass()) |
| return false; |
| OFMatchV1Ver10 other = (OFMatchV1Ver10) obj; |
| |
| if( wildcards != other.wildcards) |
| return false; |
| if (inPort == null) { |
| if (other.inPort != null) |
| return false; |
| } else if (!inPort.equals(other.inPort)) |
| return false; |
| if (ethSrc == null) { |
| if (other.ethSrc != null) |
| return false; |
| } else if (!ethSrc.equals(other.ethSrc)) |
| return false; |
| if (ethDst == null) { |
| if (other.ethDst != null) |
| return false; |
| } else if (!ethDst.equals(other.ethDst)) |
| return false; |
| if (vlanVid == null) { |
| if (other.vlanVid != null) |
| return false; |
| } else if (!vlanVid.equals(other.vlanVid)) |
| return false; |
| if (vlanPcp == null) { |
| if (other.vlanPcp != null) |
| return false; |
| } else if (!vlanPcp.equals(other.vlanPcp)) |
| return false; |
| if (ethType == null) { |
| if (other.ethType != null) |
| return false; |
| } else if (!ethType.equals(other.ethType)) |
| return false; |
| if (ipDscp == null) { |
| if (other.ipDscp != null) |
| return false; |
| } else if (!ipDscp.equals(other.ipDscp)) |
| return false; |
| if (ipProto == null) { |
| if (other.ipProto != null) |
| return false; |
| } else if (!ipProto.equals(other.ipProto)) |
| return false; |
| if (ipv4Src == null) { |
| if (other.ipv4Src != null) |
| return false; |
| } else if (!ipv4Src.equals(other.ipv4Src)) |
| return false; |
| if (ipv4Dst == null) { |
| if (other.ipv4Dst != null) |
| return false; |
| } else if (!ipv4Dst.equals(other.ipv4Dst)) |
| return false; |
| if (tcpSrc == null) { |
| if (other.tcpSrc != null) |
| return false; |
| } else if (!tcpSrc.equals(other.tcpSrc)) |
| return false; |
| if (tcpDst == null) { |
| if (other.tcpDst != null) |
| return false; |
| } else if (!tcpDst.equals(other.tcpDst)) |
| return false; |
| return true; |
| } |
| |
| @Override |
| public int hashCode() { |
| final int prime = 31; |
| int result = 1; |
| |
| result = prime * result + wildcards; |
| result = prime * result + ((inPort == null) ? 0 : inPort.hashCode()); |
| result = prime * result + ((ethSrc == null) ? 0 : ethSrc.hashCode()); |
| result = prime * result + ((ethDst == null) ? 0 : ethDst.hashCode()); |
| result = prime * result + ((vlanVid == null) ? 0 : vlanVid.hashCode()); |
| result = prime * result + ((vlanPcp == null) ? 0 : vlanPcp.hashCode()); |
| result = prime * result + ((ethType == null) ? 0 : ethType.hashCode()); |
| result = prime * result + ((ipDscp == null) ? 0 : ipDscp.hashCode()); |
| result = prime * result + ((ipProto == null) ? 0 : ipProto.hashCode()); |
| result = prime * result + ((ipv4Src == null) ? 0 : ipv4Src.hashCode()); |
| result = prime * result + ((ipv4Dst == null) ? 0 : ipv4Dst.hashCode()); |
| result = prime * result + ((tcpSrc == null) ? 0 : tcpSrc.hashCode()); |
| result = prime * result + ((tcpDst == null) ? 0 : tcpDst.hashCode()); |
| return result; |
| } |
| |
| } |