alshabib | 86ac11c | 2014-08-14 16:14:41 -0700 | [diff] [blame] | 1 | // Copyright (c) 2008 The Board of Trustees of The Leland Stanford Junior University |
| 2 | // Copyright (c) 2011, 2012 Open Networking Foundation |
| 3 | // Copyright (c) 2012, 2013 Big Switch Networks, Inc. |
| 4 | // This library was generated by the LoxiGen Compiler. |
| 5 | // See the file LICENSE.txt which should have been included in the source distribution |
| 6 | |
| 7 | // Automatically generated by LOXI from template of_class.java |
| 8 | // Do not modify |
| 9 | |
| 10 | package org.projectfloodlight.openflow.protocol.ver10; |
| 11 | |
| 12 | import org.projectfloodlight.openflow.protocol.*; |
| 13 | import org.projectfloodlight.openflow.protocol.action.*; |
| 14 | import org.projectfloodlight.openflow.protocol.actionid.*; |
| 15 | import org.projectfloodlight.openflow.protocol.bsntlv.*; |
| 16 | import org.projectfloodlight.openflow.protocol.errormsg.*; |
| 17 | import org.projectfloodlight.openflow.protocol.meterband.*; |
| 18 | import org.projectfloodlight.openflow.protocol.instruction.*; |
| 19 | import org.projectfloodlight.openflow.protocol.instructionid.*; |
| 20 | import org.projectfloodlight.openflow.protocol.match.*; |
| 21 | import org.projectfloodlight.openflow.protocol.oxm.*; |
| 22 | import org.projectfloodlight.openflow.protocol.queueprop.*; |
| 23 | import org.projectfloodlight.openflow.types.*; |
| 24 | import org.projectfloodlight.openflow.util.*; |
| 25 | import org.projectfloodlight.openflow.exceptions.*; |
| 26 | import org.slf4j.Logger; |
| 27 | import org.slf4j.LoggerFactory; |
| 28 | import java.util.List; |
| 29 | import com.google.common.collect.ImmutableList; |
| 30 | import java.util.Set; |
| 31 | import org.jboss.netty.buffer.ChannelBuffer; |
| 32 | import com.google.common.hash.PrimitiveSink; |
| 33 | import com.google.common.hash.Funnel; |
| 34 | |
| 35 | class OFMatchV1Ver10 implements OFMatchV1 { |
| 36 | private static final Logger logger = LoggerFactory.getLogger(OFMatchV1Ver10.class); |
| 37 | // version: 1.0 |
| 38 | final static byte WIRE_VERSION = 1; |
| 39 | final static int LENGTH = 40; |
| 40 | |
| 41 | private final static int DEFAULT_WILDCARDS = OFFlowWildcardsSerializerVer10.ALL_VAL; |
| 42 | private final static OFPort DEFAULT_IN_PORT = OFPort.ZERO; |
| 43 | private final static MacAddress DEFAULT_ETH_SRC = MacAddress.NONE; |
| 44 | private final static MacAddress DEFAULT_ETH_DST = MacAddress.NONE; |
| 45 | private final static OFVlanVidMatch DEFAULT_VLAN_VID = OFVlanVidMatch.NONE; |
| 46 | private final static VlanPcp DEFAULT_VLAN_PCP = VlanPcp.NONE; |
| 47 | private final static EthType DEFAULT_ETH_TYPE = EthType.NONE; |
| 48 | private final static IpDscp DEFAULT_IP_DSCP = IpDscp.NONE; |
| 49 | private final static IpProtocol DEFAULT_IP_PROTO = IpProtocol.NONE; |
| 50 | private final static IPv4Address DEFAULT_IPV4_SRC = IPv4Address.NONE; |
| 51 | private final static IPv4Address DEFAULT_IPV4_DST = IPv4Address.NONE; |
| 52 | private final static TransportPort DEFAULT_TCP_SRC = TransportPort.NONE; |
| 53 | private final static TransportPort DEFAULT_TCP_DST = TransportPort.NONE; |
| 54 | |
| 55 | // OF message fields |
| 56 | private final int wildcards; |
| 57 | private final OFPort inPort; |
| 58 | private final MacAddress ethSrc; |
| 59 | private final MacAddress ethDst; |
| 60 | private final OFVlanVidMatch vlanVid; |
| 61 | private final VlanPcp vlanPcp; |
| 62 | private final EthType ethType; |
| 63 | private final IpDscp ipDscp; |
| 64 | private final IpProtocol ipProto; |
| 65 | private final IPv4Address ipv4Src; |
| 66 | private final IPv4Address ipv4Dst; |
| 67 | private final TransportPort tcpSrc; |
| 68 | private final TransportPort tcpDst; |
| 69 | // |
| 70 | // Immutable default instance |
| 71 | final static OFMatchV1Ver10 DEFAULT = new OFMatchV1Ver10( |
| 72 | 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 |
| 73 | ); |
| 74 | |
| 75 | // package private constructor - used by readers, builders, and factory |
| 76 | 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) { |
| 77 | this.wildcards = wildcards; |
| 78 | this.inPort = inPort; |
| 79 | this.ethSrc = ethSrc; |
| 80 | this.ethDst = ethDst; |
| 81 | this.vlanVid = vlanVid; |
| 82 | this.vlanPcp = vlanPcp; |
| 83 | this.ethType = ethType; |
| 84 | this.ipDscp = ipDscp; |
| 85 | this.ipProto = ipProto; |
| 86 | this.ipv4Src = ipv4Src; |
| 87 | this.ipv4Dst = ipv4Dst; |
| 88 | this.tcpSrc = tcpSrc; |
| 89 | this.tcpDst = tcpDst; |
| 90 | } |
| 91 | |
| 92 | // Accessors for OF message fields |
| 93 | @Override |
| 94 | public int getWildcards() { |
| 95 | return wildcards; |
| 96 | } |
| 97 | |
| 98 | @Override |
| 99 | public OFPort getInPort() { |
| 100 | return inPort; |
| 101 | } |
| 102 | |
| 103 | @Override |
| 104 | public MacAddress getEthSrc() { |
| 105 | return ethSrc; |
| 106 | } |
| 107 | |
| 108 | @Override |
| 109 | public MacAddress getEthDst() { |
| 110 | return ethDst; |
| 111 | } |
| 112 | |
| 113 | @Override |
| 114 | public OFVlanVidMatch getVlanVid() { |
| 115 | return vlanVid; |
| 116 | } |
| 117 | |
| 118 | @Override |
| 119 | public VlanPcp getVlanPcp() { |
| 120 | return vlanPcp; |
| 121 | } |
| 122 | |
| 123 | @Override |
| 124 | public EthType getEthType() { |
| 125 | return ethType; |
| 126 | } |
| 127 | |
| 128 | @Override |
| 129 | public IpDscp getIpDscp() { |
| 130 | return ipDscp; |
| 131 | } |
| 132 | |
| 133 | @Override |
| 134 | public IpProtocol getIpProto() { |
| 135 | return ipProto; |
| 136 | } |
| 137 | |
| 138 | @Override |
| 139 | public IPv4Address getIpv4Src() { |
| 140 | return ipv4Src; |
| 141 | } |
| 142 | |
| 143 | @Override |
| 144 | public IPv4Address getIpv4Dst() { |
| 145 | return ipv4Dst; |
| 146 | } |
| 147 | |
| 148 | @Override |
| 149 | public TransportPort getTcpSrc() { |
| 150 | return tcpSrc; |
| 151 | } |
| 152 | |
| 153 | @Override |
| 154 | public TransportPort getTcpDst() { |
| 155 | return tcpDst; |
| 156 | } |
| 157 | |
| 158 | @Override |
| 159 | public OFVersion getVersion() { |
| 160 | return OFVersion.OF_10; |
| 161 | } |
| 162 | |
| 163 | |
| 164 | final public static int OFPFW_ALL = ((1 << 22) - 1); |
| 165 | |
| 166 | final public static int OFPFW_IN_PORT = 1 << 0; /* Switch input port. */ |
| 167 | final public static int OFPFW_DL_VLAN = 1 << 1; /* VLAN id. */ |
| 168 | final public static int OFPFW_DL_SRC = 1 << 2; /* Ethernet source address. */ |
| 169 | final public static int OFPFW_DL_DST = 1 << 3; /* |
| 170 | * Ethernet destination |
| 171 | * address. |
| 172 | */ |
| 173 | final public static int OFPFW_DL_TYPE = 1 << 4; /* Ethernet frame type. */ |
| 174 | final public static int OFPFW_NW_PROTO = 1 << 5; /* IP protocol. */ |
| 175 | final public static int OFPFW_TP_SRC = 1 << 6; /* TCP/UDP source port. */ |
| 176 | final public static int OFPFW_TP_DST = 1 << 7; /* TCP/UDP destination port. */ |
| 177 | |
| 178 | /* |
| 179 | * IP source address wildcard bit count. 0 is exact match, 1 ignores the |
| 180 | * LSB, 2 ignores the 2 least-significant bits, ..., 32 and higher wildcard |
| 181 | * the entire field. This is the *opposite* of the usual convention where |
| 182 | * e.g. /24 indicates that 8 bits (not 24 bits) are wildcarded. |
| 183 | */ |
| 184 | final public static int OFPFW_NW_SRC_SHIFT = 8; |
| 185 | final public static int OFPFW_NW_SRC_BITS = 6; |
| 186 | final public static int OFPFW_NW_SRC_MASK = ((1 << OFPFW_NW_SRC_BITS) - 1) << OFPFW_NW_SRC_SHIFT; |
| 187 | final public static int OFPFW_NW_SRC_ALL = 32 << OFPFW_NW_SRC_SHIFT; |
| 188 | |
| 189 | /* IP destination address wildcard bit count. Same format as source. */ |
| 190 | final public static int OFPFW_NW_DST_SHIFT = 14; |
| 191 | final public static int OFPFW_NW_DST_BITS = 6; |
| 192 | final public static int OFPFW_NW_DST_MASK = ((1 << OFPFW_NW_DST_BITS) - 1) << OFPFW_NW_DST_SHIFT; |
| 193 | final public static int OFPFW_NW_DST_ALL = 32 << OFPFW_NW_DST_SHIFT; |
| 194 | |
| 195 | final public static int OFPFW_DL_VLAN_PCP = 1 << 20; /* VLAN priority. */ |
| 196 | final public static int OFPFW_NW_TOS = 1 << 21; /* IP ToS (DSCP field, 6bits) */ |
| 197 | |
| 198 | @SuppressWarnings("unchecked") |
| 199 | @Override |
| 200 | public <F extends OFValueType<F>> F get(MatchField<F> field) |
| 201 | throws UnsupportedOperationException { |
| 202 | if (isFullyWildcarded(field)) |
| 203 | return null; |
| 204 | if (!field.arePrerequisitesOK(this)) |
| 205 | return null; |
| 206 | |
| 207 | Object result; |
| 208 | switch (field.id) { |
| 209 | case IN_PORT: |
| 210 | result = inPort; |
| 211 | break; |
| 212 | case ETH_DST: |
| 213 | result = ethDst; |
| 214 | break; |
| 215 | case ETH_SRC: |
| 216 | result = ethSrc; |
| 217 | break; |
| 218 | case ETH_TYPE: |
| 219 | result = ethType; |
| 220 | break; |
| 221 | case VLAN_VID: |
| 222 | result = vlanVid; |
| 223 | break; |
| 224 | case VLAN_PCP: |
| 225 | result = vlanPcp; |
| 226 | break; |
| 227 | case ARP_OP: |
| 228 | result = ArpOpcode.of(ipProto.getIpProtocolNumber()); |
| 229 | break; |
| 230 | case ARP_SPA: |
| 231 | result = ipv4Src; |
| 232 | break; |
| 233 | case ARP_TPA: |
| 234 | result = ipv4Dst; |
| 235 | break; |
| 236 | case IP_DSCP: |
| 237 | result = ipDscp; |
| 238 | break; |
| 239 | case IP_PROTO: |
| 240 | result = ipProto; |
| 241 | break; |
| 242 | case IPV4_SRC: |
| 243 | result = ipv4Src; |
| 244 | break; |
| 245 | case IPV4_DST: |
| 246 | result = ipv4Dst; |
| 247 | break; |
| 248 | case TCP_SRC: |
| 249 | result = tcpSrc; |
| 250 | break; |
| 251 | case TCP_DST: |
| 252 | result = tcpDst; |
| 253 | break; |
| 254 | case UDP_SRC: |
| 255 | result = tcpSrc; |
| 256 | break; |
| 257 | case UDP_DST: |
| 258 | result = tcpDst; |
| 259 | break; |
| 260 | case SCTP_SRC: |
| 261 | result = tcpSrc; |
| 262 | break; |
| 263 | case SCTP_DST: |
| 264 | result = tcpDst; |
| 265 | break; |
| 266 | case ICMPV4_TYPE: |
| 267 | result = tcpSrc; |
| 268 | break; |
| 269 | case ICMPV4_CODE: |
| 270 | result = tcpDst; |
| 271 | break; |
| 272 | // NOT SUPPORTED: |
| 273 | default: |
| 274 | throw new UnsupportedOperationException("OFMatch does not support matching on field " + field.getName()); |
| 275 | } |
| 276 | return (F)result; |
| 277 | } |
| 278 | |
| 279 | @SuppressWarnings("unchecked") |
| 280 | @Override |
| 281 | public <F extends OFValueType<F>> Masked<F> getMasked(MatchField<F> field) |
| 282 | throws UnsupportedOperationException { |
| 283 | if (!isPartiallyMasked(field)) |
| 284 | return null; |
| 285 | if (!field.arePrerequisitesOK(this)) |
| 286 | return null; |
| 287 | Object result; |
| 288 | switch (field.id) { |
| 289 | case ARP_SPA: |
| 290 | case IPV4_SRC: |
| 291 | int srcBitMask = (-1) << (32 - getIpv4SrcCidrMaskLen()); |
| 292 | result = IPv4AddressWithMask.of(ipv4Src, IPv4Address.of(srcBitMask)); |
| 293 | break; |
| 294 | case ARP_TPA: |
| 295 | case IPV4_DST: |
| 296 | int dstBitMask = (-1) << (32 - getIpv4DstCidrMaskLen()); |
| 297 | |
| 298 | result = IPv4AddressWithMask.of(ipv4Dst, IPv4Address.of(dstBitMask)); |
| 299 | break; |
| 300 | default: |
| 301 | throw new UnsupportedOperationException("OFMatch does not support masked matching on field " + field.getName()); |
| 302 | } |
| 303 | return (Masked<F>)result; |
| 304 | } |
| 305 | |
| 306 | @Override |
| 307 | public boolean supports(MatchField<?> field) { |
| 308 | switch (field.id) { |
| 309 | case IN_PORT: |
| 310 | case ETH_DST: |
| 311 | case ETH_SRC: |
| 312 | case ETH_TYPE: |
| 313 | case VLAN_VID: |
| 314 | case VLAN_PCP: |
| 315 | case ARP_OP: |
| 316 | case ARP_SPA: |
| 317 | case ARP_TPA: |
| 318 | case IP_DSCP: |
| 319 | case IP_PROTO: |
| 320 | case IPV4_SRC: |
| 321 | case IPV4_DST: |
| 322 | case TCP_SRC: |
| 323 | case TCP_DST: |
| 324 | case UDP_SRC: |
| 325 | case UDP_DST: |
| 326 | case SCTP_SRC: |
| 327 | case SCTP_DST: |
| 328 | case ICMPV4_TYPE: |
| 329 | case ICMPV4_CODE: |
| 330 | return true; |
| 331 | default: |
| 332 | return false; |
| 333 | } |
| 334 | } |
| 335 | |
| 336 | @Override |
| 337 | public boolean supportsMasked(MatchField<?> field) { |
| 338 | switch (field.id) { |
| 339 | case ARP_SPA: |
| 340 | case ARP_TPA: |
| 341 | case IPV4_SRC: |
| 342 | case IPV4_DST: |
| 343 | return true; |
| 344 | default: |
| 345 | return false; |
| 346 | } |
| 347 | } |
| 348 | |
| 349 | @Override |
| 350 | public boolean isExact(MatchField<?> field) { |
| 351 | if (!field.arePrerequisitesOK(this)) |
| 352 | return false; |
| 353 | |
| 354 | switch (field.id) { |
| 355 | case IN_PORT: |
| 356 | return (this.wildcards & OFPFW_IN_PORT) == 0; |
| 357 | case ETH_DST: |
| 358 | return (this.wildcards & OFPFW_DL_DST) == 0; |
| 359 | case ETH_SRC: |
| 360 | return (this.wildcards & OFPFW_DL_SRC) == 0; |
| 361 | case ETH_TYPE: |
| 362 | return (this.wildcards & OFPFW_DL_TYPE) == 0; |
| 363 | case VLAN_VID: |
| 364 | return (this.wildcards & OFPFW_DL_VLAN) == 0; |
| 365 | case VLAN_PCP: |
| 366 | return (this.wildcards & OFPFW_DL_VLAN_PCP) == 0; |
| 367 | case ARP_OP: |
| 368 | return (this.wildcards & OFPFW_NW_PROTO) == 0; |
| 369 | case ARP_SPA: |
| 370 | return this.getIpv4SrcCidrMaskLen() >= 32; |
| 371 | case ARP_TPA: |
| 372 | return this.getIpv4DstCidrMaskLen() >= 32; |
| 373 | case IP_DSCP: |
| 374 | return (this.wildcards & OFPFW_NW_TOS) == 0; |
| 375 | case IP_PROTO: |
| 376 | return (this.wildcards & OFPFW_NW_PROTO) == 0; |
| 377 | case IPV4_SRC: |
| 378 | return this.getIpv4SrcCidrMaskLen() >= 32; |
| 379 | case IPV4_DST: |
| 380 | return this.getIpv4DstCidrMaskLen() >= 32; |
| 381 | case TCP_SRC: |
| 382 | return (this.wildcards & OFPFW_TP_SRC) == 0; |
| 383 | case TCP_DST: |
| 384 | return (this.wildcards & OFPFW_TP_DST) == 0; |
| 385 | case UDP_SRC: |
| 386 | return (this.wildcards & OFPFW_TP_SRC) == 0; |
| 387 | case UDP_DST: |
| 388 | return (this.wildcards & OFPFW_TP_DST) == 0; |
| 389 | case SCTP_SRC: |
| 390 | return (this.wildcards & OFPFW_TP_SRC) == 0; |
| 391 | case SCTP_DST: |
| 392 | return (this.wildcards & OFPFW_TP_DST) == 0; |
| 393 | case ICMPV4_TYPE: |
| 394 | return (this.wildcards & OFPFW_TP_SRC) == 0; |
| 395 | case ICMPV4_CODE: |
| 396 | return (this.wildcards & OFPFW_TP_DST) == 0; |
| 397 | default: |
| 398 | throw new UnsupportedOperationException("OFMatch does not support matching on field " + field.getName()); |
| 399 | } |
| 400 | } |
| 401 | |
| 402 | /** |
| 403 | * Parse this match's wildcard fields and return the number of significant |
| 404 | * bits in the IP destination field. NOTE: this returns the number of bits |
| 405 | * that are fixed, i.e., like CIDR, not the number of bits that are free |
| 406 | * like OpenFlow encodes. |
| 407 | * |
| 408 | * @return A number between 0 (matches all IPs) and 32 (exact match) |
| 409 | */ |
| 410 | public int getIpv4DstCidrMaskLen() { |
| 411 | return Math.max(32 - ((wildcards & OFPFW_NW_DST_MASK) >> OFPFW_NW_DST_SHIFT), |
| 412 | 0); |
| 413 | } |
| 414 | |
| 415 | /** |
| 416 | * Parse this match's wildcard fields and return the number of significant |
| 417 | * bits in the IP destination field. NOTE: this returns the number of bits |
| 418 | * that are fixed, i.e., like CIDR, not the number of bits that are free |
| 419 | * like OpenFlow encodes. |
| 420 | * |
| 421 | * @return A number between 0 (matches all IPs) and 32 (exact match) |
| 422 | */ |
| 423 | public int getIpv4SrcCidrMaskLen() { |
| 424 | return Math.max(32 - ((wildcards & OFPFW_NW_SRC_MASK) >> OFPFW_NW_SRC_SHIFT), |
| 425 | 0); |
| 426 | } |
| 427 | |
| 428 | |
| 429 | @Override |
| 430 | public boolean isFullyWildcarded(MatchField<?> field) { |
| 431 | if (!field.arePrerequisitesOK(this)) |
| 432 | return true; |
| 433 | |
| 434 | switch (field.id) { |
| 435 | case IN_PORT: |
| 436 | return (this.wildcards & OFPFW_IN_PORT) != 0; |
| 437 | case ETH_DST: |
| 438 | return (this.wildcards & OFPFW_DL_DST) != 0; |
| 439 | case ETH_SRC: |
| 440 | return (this.wildcards & OFPFW_DL_SRC) != 0; |
| 441 | case ETH_TYPE: |
| 442 | return (this.wildcards & OFPFW_DL_TYPE) != 0; |
| 443 | case VLAN_VID: |
| 444 | return (this.wildcards & OFPFW_DL_VLAN) != 0; |
| 445 | case VLAN_PCP: |
| 446 | return (this.wildcards & OFPFW_DL_VLAN_PCP) != 0; |
| 447 | case ARP_OP: |
| 448 | return (this.wildcards & OFPFW_NW_PROTO) != 0; |
| 449 | case ARP_SPA: |
| 450 | return this.getIpv4SrcCidrMaskLen() <= 0; |
| 451 | case ARP_TPA: |
| 452 | return this.getIpv4DstCidrMaskLen() <= 0; |
| 453 | case IP_DSCP: |
| 454 | return (this.wildcards & OFPFW_NW_TOS) != 0; |
| 455 | case IP_PROTO: |
| 456 | return (this.wildcards & OFPFW_NW_PROTO) != 0; |
| 457 | case TCP_SRC: |
| 458 | return (this.wildcards & OFPFW_TP_SRC) != 0; |
| 459 | case TCP_DST: |
| 460 | return (this.wildcards & OFPFW_TP_DST) != 0; |
| 461 | case UDP_SRC: |
| 462 | return (this.wildcards & OFPFW_TP_SRC) != 0; |
| 463 | case UDP_DST: |
| 464 | return (this.wildcards & OFPFW_TP_DST) != 0; |
| 465 | case SCTP_SRC: |
| 466 | return (this.wildcards & OFPFW_TP_SRC) != 0; |
| 467 | case SCTP_DST: |
| 468 | return (this.wildcards & OFPFW_TP_DST) != 0; |
| 469 | case ICMPV4_TYPE: |
| 470 | return (this.wildcards & OFPFW_TP_SRC) != 0; |
| 471 | case ICMPV4_CODE: |
| 472 | return (this.wildcards & OFPFW_TP_DST) != 0; |
| 473 | case IPV4_SRC: |
| 474 | return this.getIpv4SrcCidrMaskLen() <= 0; |
| 475 | case IPV4_DST: |
| 476 | return this.getIpv4DstCidrMaskLen() <= 0; |
| 477 | default: |
| 478 | throw new UnsupportedOperationException("OFMatch does not support matching on field " + field.getName()); |
| 479 | } |
| 480 | } |
| 481 | |
| 482 | @Override |
| 483 | public boolean isPartiallyMasked(MatchField<?> field) { |
| 484 | if (!field.arePrerequisitesOK(this)) |
| 485 | return false; |
| 486 | |
| 487 | switch (field.id) { |
| 488 | case ARP_SPA: |
| 489 | case IPV4_SRC: |
| 490 | int srcCidrLen = getIpv4SrcCidrMaskLen(); |
| 491 | return srcCidrLen > 0 && srcCidrLen < 32; |
| 492 | case ARP_TPA: |
| 493 | case IPV4_DST: |
| 494 | int dstCidrLen = getIpv4DstCidrMaskLen(); |
| 495 | return dstCidrLen > 0 && dstCidrLen < 32; |
| 496 | default: |
| 497 | return false; |
| 498 | } |
| 499 | } |
| 500 | |
| 501 | @Override |
| 502 | public Iterable<MatchField<?>> getMatchFields() { |
| 503 | ImmutableList.Builder<MatchField<?>> builder = ImmutableList.builder(); |
| 504 | if ((wildcards & OFPFW_IN_PORT) == 0) |
| 505 | builder.add(MatchField.IN_PORT); |
| 506 | if ((wildcards & OFPFW_DL_VLAN) == 0) |
| 507 | builder.add(MatchField.VLAN_VID); |
| 508 | if ((wildcards & OFPFW_DL_SRC) == 0) |
| 509 | builder.add(MatchField.ETH_SRC); |
| 510 | if ((wildcards & OFPFW_DL_DST) == 0) |
| 511 | builder.add(MatchField.ETH_DST); |
| 512 | if ((wildcards & OFPFW_DL_TYPE) == 0) |
| 513 | builder.add(MatchField.ETH_TYPE); |
| 514 | if ((wildcards & OFPFW_NW_PROTO) == 0) { |
| 515 | if (ethType == EthType.ARP) { |
| 516 | builder.add(MatchField.ARP_OP); |
| 517 | } else if (ethType == EthType.IPv4) { |
| 518 | builder.add(MatchField.IP_PROTO); |
| 519 | } else { |
| 520 | throw new UnsupportedOperationException( |
| 521 | "Unsupported Ethertype for matching on network protocol " + ethType); |
| 522 | } |
| 523 | } |
| 524 | if ((wildcards & OFPFW_TP_SRC) == 0) { |
| 525 | if (ipProto == IpProtocol.UDP) { |
| 526 | builder.add(MatchField.UDP_SRC); |
| 527 | } else if (ipProto == IpProtocol.TCP) { |
| 528 | builder.add(MatchField.TCP_SRC); |
| 529 | } else if (ipProto == IpProtocol.SCTP) { |
| 530 | builder.add(MatchField.SCTP_SRC); |
| 531 | } else { |
| 532 | throw new UnsupportedOperationException( |
| 533 | "Unsupported IP protocol for matching on source port " + ipProto); |
| 534 | } |
| 535 | } |
| 536 | if ((wildcards & OFPFW_TP_DST) == 0) { |
| 537 | if (ipProto == IpProtocol.UDP) { |
| 538 | builder.add(MatchField.UDP_DST); |
| 539 | } else if (ipProto == IpProtocol.TCP) { |
| 540 | builder.add(MatchField.TCP_DST); |
| 541 | } else if (ipProto == IpProtocol.SCTP) { |
| 542 | builder.add(MatchField.SCTP_DST); |
| 543 | } else { |
| 544 | throw new UnsupportedOperationException( |
| 545 | "Unsupported IP protocol for matching on destination port " + ipProto); |
| 546 | } |
| 547 | } |
| 548 | if (((wildcards & OFPFW_NW_SRC_MASK) >> OFPFW_NW_SRC_SHIFT) < 32) { |
| 549 | if (ethType == EthType.ARP) { |
| 550 | builder.add(MatchField.ARP_SPA); |
| 551 | } else if (ethType == EthType.IPv4) { |
| 552 | builder.add(MatchField.IPV4_SRC); |
| 553 | } else { |
| 554 | throw new UnsupportedOperationException( |
| 555 | "Unsupported Ethertype for matching on source IP " + ethType); |
| 556 | } |
| 557 | } |
| 558 | if (((wildcards & OFPFW_NW_DST_MASK) >> OFPFW_NW_DST_SHIFT) < 32) { |
| 559 | if (ethType == EthType.ARP) { |
| 560 | builder.add(MatchField.ARP_TPA); |
| 561 | } else if (ethType == EthType.IPv4) { |
| 562 | builder.add(MatchField.IPV4_DST); |
| 563 | } else { |
| 564 | throw new UnsupportedOperationException( |
| 565 | "Unsupported Ethertype for matching on destination IP " + ethType); |
| 566 | } |
| 567 | } |
| 568 | if ((wildcards & OFPFW_DL_VLAN_PCP) == 0) |
| 569 | builder.add(MatchField.VLAN_PCP); |
| 570 | if ((wildcards & OFPFW_NW_TOS) == 0) |
| 571 | builder.add(MatchField.IP_DSCP); |
| 572 | return builder.build(); |
| 573 | } |
| 574 | |
| 575 | public OFMatchV1.Builder createBuilder() { |
| 576 | return new BuilderWithParent(this); |
| 577 | } |
| 578 | |
| 579 | static class BuilderWithParent implements OFMatchV1.Builder { |
| 580 | final OFMatchV1Ver10 parentMessage; |
| 581 | |
| 582 | // OF message fields |
| 583 | private boolean wildcardsSet; |
| 584 | private int wildcards; |
| 585 | private boolean inPortSet; |
| 586 | private OFPort inPort; |
| 587 | private boolean ethSrcSet; |
| 588 | private MacAddress ethSrc; |
| 589 | private boolean ethDstSet; |
| 590 | private MacAddress ethDst; |
| 591 | private boolean vlanVidSet; |
| 592 | private OFVlanVidMatch vlanVid; |
| 593 | private boolean vlanPcpSet; |
| 594 | private VlanPcp vlanPcp; |
| 595 | private boolean ethTypeSet; |
| 596 | private EthType ethType; |
| 597 | private boolean ipDscpSet; |
| 598 | private IpDscp ipDscp; |
| 599 | private boolean ipProtoSet; |
| 600 | private IpProtocol ipProto; |
| 601 | private boolean ipv4SrcSet; |
| 602 | private IPv4Address ipv4Src; |
| 603 | private boolean ipv4DstSet; |
| 604 | private IPv4Address ipv4Dst; |
| 605 | private boolean tcpSrcSet; |
| 606 | private TransportPort tcpSrc; |
| 607 | private boolean tcpDstSet; |
| 608 | private TransportPort tcpDst; |
| 609 | |
| 610 | BuilderWithParent(OFMatchV1Ver10 parentMessage) { |
| 611 | this.parentMessage = parentMessage; |
| 612 | } |
| 613 | |
| 614 | @Override |
| 615 | public int getWildcards() { |
| 616 | return wildcards; |
| 617 | } |
| 618 | |
| 619 | @Override |
| 620 | public OFMatchV1.Builder setWildcards(int wildcards) { |
| 621 | this.wildcards = wildcards; |
| 622 | this.wildcardsSet = true; |
| 623 | return this; |
| 624 | } |
| 625 | @Override |
| 626 | public OFPort getInPort() { |
| 627 | return inPort; |
| 628 | } |
| 629 | |
| 630 | @Override |
| 631 | public OFMatchV1.Builder setInPort(OFPort inPort) { |
| 632 | this.inPort = inPort; |
| 633 | this.inPortSet = true; |
| 634 | return this; |
| 635 | } |
| 636 | @Override |
| 637 | public MacAddress getEthSrc() { |
| 638 | return ethSrc; |
| 639 | } |
| 640 | |
| 641 | @Override |
| 642 | public OFMatchV1.Builder setEthSrc(MacAddress ethSrc) { |
| 643 | this.ethSrc = ethSrc; |
| 644 | this.ethSrcSet = true; |
| 645 | return this; |
| 646 | } |
| 647 | @Override |
| 648 | public MacAddress getEthDst() { |
| 649 | return ethDst; |
| 650 | } |
| 651 | |
| 652 | @Override |
| 653 | public OFMatchV1.Builder setEthDst(MacAddress ethDst) { |
| 654 | this.ethDst = ethDst; |
| 655 | this.ethDstSet = true; |
| 656 | return this; |
| 657 | } |
| 658 | @Override |
| 659 | public OFVlanVidMatch getVlanVid() { |
| 660 | return vlanVid; |
| 661 | } |
| 662 | |
| 663 | @Override |
| 664 | public OFMatchV1.Builder setVlanVid(OFVlanVidMatch vlanVid) { |
| 665 | this.vlanVid = vlanVid; |
| 666 | this.vlanVidSet = true; |
| 667 | return this; |
| 668 | } |
| 669 | @Override |
| 670 | public VlanPcp getVlanPcp() { |
| 671 | return vlanPcp; |
| 672 | } |
| 673 | |
| 674 | @Override |
| 675 | public OFMatchV1.Builder setVlanPcp(VlanPcp vlanPcp) { |
| 676 | this.vlanPcp = vlanPcp; |
| 677 | this.vlanPcpSet = true; |
| 678 | return this; |
| 679 | } |
| 680 | @Override |
| 681 | public EthType getEthType() { |
| 682 | return ethType; |
| 683 | } |
| 684 | |
| 685 | @Override |
| 686 | public OFMatchV1.Builder setEthType(EthType ethType) { |
| 687 | this.ethType = ethType; |
| 688 | this.ethTypeSet = true; |
| 689 | return this; |
| 690 | } |
| 691 | @Override |
| 692 | public IpDscp getIpDscp() { |
| 693 | return ipDscp; |
| 694 | } |
| 695 | |
| 696 | @Override |
| 697 | public OFMatchV1.Builder setIpDscp(IpDscp ipDscp) { |
| 698 | this.ipDscp = ipDscp; |
| 699 | this.ipDscpSet = true; |
| 700 | return this; |
| 701 | } |
| 702 | @Override |
| 703 | public IpProtocol getIpProto() { |
| 704 | return ipProto; |
| 705 | } |
| 706 | |
| 707 | @Override |
| 708 | public OFMatchV1.Builder setIpProto(IpProtocol ipProto) { |
| 709 | this.ipProto = ipProto; |
| 710 | this.ipProtoSet = true; |
| 711 | return this; |
| 712 | } |
| 713 | @Override |
| 714 | public IPv4Address getIpv4Src() { |
| 715 | return ipv4Src; |
| 716 | } |
| 717 | |
| 718 | @Override |
| 719 | public OFMatchV1.Builder setIpv4Src(IPv4Address ipv4Src) { |
| 720 | this.ipv4Src = ipv4Src; |
| 721 | this.ipv4SrcSet = true; |
| 722 | return this; |
| 723 | } |
| 724 | @Override |
| 725 | public IPv4Address getIpv4Dst() { |
| 726 | return ipv4Dst; |
| 727 | } |
| 728 | |
| 729 | @Override |
| 730 | public OFMatchV1.Builder setIpv4Dst(IPv4Address ipv4Dst) { |
| 731 | this.ipv4Dst = ipv4Dst; |
| 732 | this.ipv4DstSet = true; |
| 733 | return this; |
| 734 | } |
| 735 | @Override |
| 736 | public TransportPort getTcpSrc() { |
| 737 | return tcpSrc; |
| 738 | } |
| 739 | |
| 740 | @Override |
| 741 | public OFMatchV1.Builder setTcpSrc(TransportPort tcpSrc) { |
| 742 | this.tcpSrc = tcpSrc; |
| 743 | this.tcpSrcSet = true; |
| 744 | return this; |
| 745 | } |
| 746 | @Override |
| 747 | public TransportPort getTcpDst() { |
| 748 | return tcpDst; |
| 749 | } |
| 750 | |
| 751 | @Override |
| 752 | public OFMatchV1.Builder setTcpDst(TransportPort tcpDst) { |
| 753 | this.tcpDst = tcpDst; |
| 754 | this.tcpDstSet = true; |
| 755 | return this; |
| 756 | } |
| 757 | @Override |
| 758 | public OFVersion getVersion() { |
| 759 | return OFVersion.OF_10; |
| 760 | } |
| 761 | |
| 762 | |
| 763 | |
| 764 | @Override |
| 765 | public OFMatchV1 build() { |
| 766 | int wildcards = this.wildcardsSet ? this.wildcards : parentMessage.wildcards; |
| 767 | OFPort inPort = this.inPortSet ? this.inPort : parentMessage.inPort; |
| 768 | if(inPort == null) |
| 769 | throw new NullPointerException("Property inPort must not be null"); |
| 770 | MacAddress ethSrc = this.ethSrcSet ? this.ethSrc : parentMessage.ethSrc; |
| 771 | if(ethSrc == null) |
| 772 | throw new NullPointerException("Property ethSrc must not be null"); |
| 773 | MacAddress ethDst = this.ethDstSet ? this.ethDst : parentMessage.ethDst; |
| 774 | if(ethDst == null) |
| 775 | throw new NullPointerException("Property ethDst must not be null"); |
| 776 | OFVlanVidMatch vlanVid = this.vlanVidSet ? this.vlanVid : parentMessage.vlanVid; |
| 777 | if(vlanVid == null) |
| 778 | throw new NullPointerException("Property vlanVid must not be null"); |
| 779 | VlanPcp vlanPcp = this.vlanPcpSet ? this.vlanPcp : parentMessage.vlanPcp; |
| 780 | if(vlanPcp == null) |
| 781 | throw new NullPointerException("Property vlanPcp must not be null"); |
| 782 | EthType ethType = this.ethTypeSet ? this.ethType : parentMessage.ethType; |
| 783 | if(ethType == null) |
| 784 | throw new NullPointerException("Property ethType must not be null"); |
| 785 | IpDscp ipDscp = this.ipDscpSet ? this.ipDscp : parentMessage.ipDscp; |
| 786 | if(ipDscp == null) |
| 787 | throw new NullPointerException("Property ipDscp must not be null"); |
| 788 | IpProtocol ipProto = this.ipProtoSet ? this.ipProto : parentMessage.ipProto; |
| 789 | if(ipProto == null) |
| 790 | throw new NullPointerException("Property ipProto must not be null"); |
| 791 | IPv4Address ipv4Src = this.ipv4SrcSet ? this.ipv4Src : parentMessage.ipv4Src; |
| 792 | if(ipv4Src == null) |
| 793 | throw new NullPointerException("Property ipv4Src must not be null"); |
| 794 | IPv4Address ipv4Dst = this.ipv4DstSet ? this.ipv4Dst : parentMessage.ipv4Dst; |
| 795 | if(ipv4Dst == null) |
| 796 | throw new NullPointerException("Property ipv4Dst must not be null"); |
| 797 | TransportPort tcpSrc = this.tcpSrcSet ? this.tcpSrc : parentMessage.tcpSrc; |
| 798 | if(tcpSrc == null) |
| 799 | throw new NullPointerException("Property tcpSrc must not be null"); |
| 800 | TransportPort tcpDst = this.tcpDstSet ? this.tcpDst : parentMessage.tcpDst; |
| 801 | if(tcpDst == null) |
| 802 | throw new NullPointerException("Property tcpDst must not be null"); |
| 803 | |
| 804 | // |
| 805 | // normalize match fields according to current OpenVSwitch behavior. When prerequisites for a field are not met |
| 806 | // e.g., eth_type is not set to 0x800, OVS sets the value of corresponding ignored fields (e.g., |
| 807 | // ip_src, tcp_dst) to 0, and sets the wildcard bit to 1. |
| 808 | if(ethType.equals(EthType.IPv4)) { |
| 809 | // IP |
| 810 | if(ipProto.equals(IpProtocol.TCP) || ipProto.equals(IpProtocol.UDP) || ipProto.equals(IpProtocol.ICMP)) { |
| 811 | // fully speced, wildcards and all values are fine |
| 812 | // normalize 32-63 ipv4 src 'mask' to a full bitmask |
| 813 | if((wildcards & OFPFW_NW_SRC_ALL) != 0) |
| 814 | wildcards |= OFPFW_NW_SRC_MASK; |
| 815 | |
| 816 | // normalize 32-63 ipv4 dst 'mask' to a full bitmask |
| 817 | if((wildcards & OFPFW_NW_DST_ALL) != 0) |
| 818 | wildcards |= OFPFW_NW_DST_MASK; |
| 819 | |
| 820 | } else { |
| 821 | // normalize 32-63 ipv4 src 'mask' to a full bitmask |
| 822 | if((wildcards & OFPFW_NW_SRC_ALL) != 0) |
| 823 | wildcards |= OFPFW_NW_SRC_MASK; |
| 824 | |
| 825 | // normalize 32-63 ipv4 dst 'mask' to a full bitmask |
| 826 | if((wildcards & OFPFW_NW_DST_ALL) != 0) |
| 827 | wildcards |= OFPFW_NW_DST_MASK; |
| 828 | |
| 829 | // not TCP/UDP/ICMP -> Clear TP wildcards for the wire |
| 830 | wildcards |= (OFPFW_TP_SRC | OFPFW_TP_DST); |
| 831 | tcpSrc = TransportPort.NONE; |
| 832 | tcpDst = TransportPort.NONE; |
| 833 | } |
| 834 | } else if (ethType.equals(EthType.ARP)) { |
| 835 | // normalize 32-63 ipv4 src 'mask' to a full bitmask |
| 836 | if((wildcards & OFPFW_NW_SRC_ALL) != 0) |
| 837 | wildcards |= OFPFW_NW_SRC_MASK; |
| 838 | |
| 839 | // normalize 32-63 ipv4 dst 'mask' to a full bitmask |
| 840 | if((wildcards & OFPFW_NW_DST_ALL) != 0) |
| 841 | wildcards |= OFPFW_NW_DST_MASK; |
| 842 | |
| 843 | // ARP: clear NW_TOS / TP wildcards for the wire |
| 844 | wildcards |= ( OFPFW_NW_TOS | OFPFW_TP_SRC | OFPFW_TP_DST); |
| 845 | ipDscp = IpDscp.NONE; |
| 846 | tcpSrc = TransportPort.NONE; |
| 847 | tcpDst = TransportPort.NONE; |
| 848 | } else { |
| 849 | // not even IP. Clear NW/TP wildcards for the wire |
| 850 | wildcards |= ( OFPFW_NW_TOS | OFPFW_NW_PROTO | OFPFW_NW_SRC_MASK | OFPFW_NW_DST_MASK | OFPFW_TP_SRC | OFPFW_TP_DST); |
| 851 | ipDscp = IpDscp.NONE; |
| 852 | ipProto = IpProtocol.NONE; |
| 853 | ipv4Src = IPv4Address.NONE; |
| 854 | ipv4Dst = IPv4Address.NONE; |
| 855 | tcpSrc = TransportPort.NONE; |
| 856 | tcpDst = TransportPort.NONE; |
| 857 | } |
| 858 | return new OFMatchV1Ver10( |
| 859 | wildcards, |
| 860 | inPort, |
| 861 | ethSrc, |
| 862 | ethDst, |
| 863 | vlanVid, |
| 864 | vlanPcp, |
| 865 | ethType, |
| 866 | ipDscp, |
| 867 | ipProto, |
| 868 | ipv4Src, |
| 869 | ipv4Dst, |
| 870 | tcpSrc, |
| 871 | tcpDst |
| 872 | ); |
| 873 | } |
| 874 | @SuppressWarnings("unchecked") |
| 875 | @Override |
| 876 | public <F extends OFValueType<F>> F get(MatchField<F> field) |
| 877 | throws UnsupportedOperationException { |
| 878 | if (isFullyWildcarded(field)) |
| 879 | return null; |
| 880 | |
| 881 | Object result; |
| 882 | switch (field.id) { |
| 883 | case IN_PORT: |
| 884 | result = inPort; |
| 885 | break; |
| 886 | case ETH_DST: |
| 887 | result = ethDst; |
| 888 | break; |
| 889 | case ETH_SRC: |
| 890 | result = ethSrc; |
| 891 | break; |
| 892 | case ETH_TYPE: |
| 893 | result = ethType; |
| 894 | break; |
| 895 | case VLAN_VID: |
| 896 | result = vlanVid; |
| 897 | break; |
| 898 | case VLAN_PCP: |
| 899 | result = vlanPcp; |
| 900 | break; |
| 901 | case ARP_OP: |
| 902 | result = ArpOpcode.of(ipProto.getIpProtocolNumber()); |
| 903 | break; |
| 904 | case ARP_SPA: |
| 905 | result = ipv4Src; |
| 906 | break; |
| 907 | case ARP_TPA: |
| 908 | result = ipv4Dst; |
| 909 | break; |
| 910 | case IP_DSCP: |
| 911 | result = ipDscp; |
| 912 | break; |
| 913 | case IP_PROTO: |
| 914 | result = ipProto; |
| 915 | break; |
| 916 | case IPV4_SRC: |
| 917 | result = ipv4Src; |
| 918 | break; |
| 919 | case IPV4_DST: |
| 920 | result = ipv4Dst; |
| 921 | break; |
| 922 | case TCP_SRC: |
| 923 | result = tcpSrc; |
| 924 | break; |
| 925 | case TCP_DST: |
| 926 | result = tcpDst; |
| 927 | break; |
| 928 | case UDP_SRC: |
| 929 | result = tcpSrc; |
| 930 | break; |
| 931 | case UDP_DST: |
| 932 | result = tcpDst; |
| 933 | break; |
| 934 | case SCTP_SRC: |
| 935 | result = tcpSrc; |
| 936 | break; |
| 937 | case SCTP_DST: |
| 938 | result = tcpDst; |
| 939 | break; |
| 940 | case ICMPV4_TYPE: |
| 941 | result = tcpSrc; |
| 942 | break; |
| 943 | case ICMPV4_CODE: |
| 944 | result = tcpDst; |
| 945 | break; |
| 946 | // NOT SUPPORTED: |
| 947 | default: |
| 948 | throw new UnsupportedOperationException("OFMatch does not support matching on field " + field.getName()); |
| 949 | } |
| 950 | return (F)result; |
| 951 | } |
| 952 | |
| 953 | @SuppressWarnings("unchecked") |
| 954 | @Override |
| 955 | public <F extends OFValueType<F>> Masked<F> getMasked(MatchField<F> field) |
| 956 | throws UnsupportedOperationException { |
| 957 | if (!isPartiallyMasked(field)) |
| 958 | return null; |
| 959 | Object result; |
| 960 | switch (field.id) { |
| 961 | case IPV4_SRC: |
| 962 | case ARP_SPA: |
| 963 | int srcBitMask = (-1) << (32 - getIpv4SrcCidrMaskLen()); |
| 964 | result = IPv4AddressWithMask.of(ipv4Src, IPv4Address.of(srcBitMask)); |
| 965 | break; |
| 966 | case IPV4_DST: |
| 967 | case ARP_TPA: |
| 968 | int dstMaskedBits = Math.min(32, (wildcards & OFPFW_NW_DST_MASK) >> OFPFW_NW_DST_SHIFT); |
| 969 | int dstBitMask = (-1) << (32 - getIpv4DstCidrMaskLen()); |
| 970 | |
| 971 | result = IPv4AddressWithMask.of(ipv4Dst, IPv4Address.of(dstBitMask)); |
| 972 | break; |
| 973 | default: |
| 974 | throw new UnsupportedOperationException("OFMatch does not support masked matching on field " + field.getName()); |
| 975 | } |
| 976 | return (Masked<F>)result; |
| 977 | } |
| 978 | |
| 979 | @Override |
| 980 | public boolean supports(MatchField<?> field) { |
| 981 | switch (field.id) { |
| 982 | case IN_PORT: |
| 983 | case ETH_DST: |
| 984 | case ETH_SRC: |
| 985 | case ETH_TYPE: |
| 986 | case VLAN_VID: |
| 987 | case VLAN_PCP: |
| 988 | case ARP_OP: |
| 989 | case ARP_SPA: |
| 990 | case ARP_TPA: |
| 991 | case IP_DSCP: |
| 992 | case IP_PROTO: |
| 993 | case IPV4_SRC: |
| 994 | case IPV4_DST: |
| 995 | case TCP_SRC: |
| 996 | case TCP_DST: |
| 997 | case UDP_SRC: |
| 998 | case UDP_DST: |
| 999 | case SCTP_SRC: |
| 1000 | case SCTP_DST: |
| 1001 | case ICMPV4_TYPE: |
| 1002 | case ICMPV4_CODE: |
| 1003 | return true; |
| 1004 | default: |
| 1005 | return false; |
| 1006 | } |
| 1007 | } |
| 1008 | |
| 1009 | @Override |
| 1010 | public boolean supportsMasked(MatchField<?> field) { |
| 1011 | switch (field.id) { |
| 1012 | case ARP_SPA: |
| 1013 | case ARP_TPA: |
| 1014 | case IPV4_SRC: |
| 1015 | case IPV4_DST: |
| 1016 | return true; |
| 1017 | default: |
| 1018 | return false; |
| 1019 | } |
| 1020 | } |
| 1021 | |
| 1022 | @Override |
| 1023 | public boolean isExact(MatchField<?> field) { |
| 1024 | switch (field.id) { |
| 1025 | case IN_PORT: |
| 1026 | return (this.wildcards & OFPFW_IN_PORT) == 0; |
| 1027 | case ETH_DST: |
| 1028 | return (this.wildcards & OFPFW_DL_DST) == 0; |
| 1029 | case ETH_SRC: |
| 1030 | return (this.wildcards & OFPFW_DL_SRC) == 0; |
| 1031 | case ETH_TYPE: |
| 1032 | return (this.wildcards & OFPFW_DL_TYPE) == 0; |
| 1033 | case VLAN_VID: |
| 1034 | return (this.wildcards & OFPFW_DL_VLAN) == 0; |
| 1035 | case VLAN_PCP: |
| 1036 | return (this.wildcards & OFPFW_DL_VLAN_PCP) == 0; |
| 1037 | case ARP_OP: |
| 1038 | return (this.wildcards & OFPFW_NW_PROTO) == 0; |
| 1039 | case ARP_SPA: |
| 1040 | return this.getIpv4SrcCidrMaskLen() >= 32; |
| 1041 | case ARP_TPA: |
| 1042 | return this.getIpv4DstCidrMaskLen() >= 32; |
| 1043 | case IP_DSCP: |
| 1044 | return (this.wildcards & OFPFW_NW_TOS) == 0; |
| 1045 | case IP_PROTO: |
| 1046 | return (this.wildcards & OFPFW_NW_PROTO) == 0; |
| 1047 | case IPV4_SRC: |
| 1048 | return this.getIpv4SrcCidrMaskLen() >= 32; |
| 1049 | case IPV4_DST: |
| 1050 | return this.getIpv4DstCidrMaskLen() >= 32; |
| 1051 | case TCP_SRC: |
| 1052 | return (this.wildcards & OFPFW_TP_SRC) == 0; |
| 1053 | case TCP_DST: |
| 1054 | return (this.wildcards & OFPFW_TP_DST) == 0; |
| 1055 | case UDP_SRC: |
| 1056 | return (this.wildcards & OFPFW_TP_SRC) == 0; |
| 1057 | case UDP_DST: |
| 1058 | return (this.wildcards & OFPFW_TP_DST) == 0; |
| 1059 | case SCTP_SRC: |
| 1060 | return (this.wildcards & OFPFW_TP_SRC) == 0; |
| 1061 | case SCTP_DST: |
| 1062 | return (this.wildcards & OFPFW_TP_DST) == 0; |
| 1063 | case ICMPV4_TYPE: |
| 1064 | return (this.wildcards & OFPFW_TP_SRC) == 0; |
| 1065 | case ICMPV4_CODE: |
| 1066 | return (this.wildcards & OFPFW_TP_DST) == 0; |
| 1067 | default: |
| 1068 | throw new UnsupportedOperationException("OFMatch does not support matching on field " + field.getName()); |
| 1069 | } |
| 1070 | } |
| 1071 | |
| 1072 | /** |
| 1073 | * Parse this match's wildcard fields and return the number of significant |
| 1074 | * bits in the IP destination field. NOTE: this returns the number of bits |
| 1075 | * that are fixed, i.e., like CIDR, not the number of bits that are free |
| 1076 | * like OpenFlow encodes. |
| 1077 | * |
| 1078 | * @return A number between 0 (matches all IPs) and 32 (exact match) |
| 1079 | */ |
| 1080 | public int getIpv4DstCidrMaskLen() { |
| 1081 | return Math.max(32 - ((wildcards & OFPFW_NW_DST_MASK) >> OFPFW_NW_DST_SHIFT), |
| 1082 | 0); |
| 1083 | } |
| 1084 | |
| 1085 | /** |
| 1086 | * Parse this match's wildcard fields and return the number of significant |
| 1087 | * bits in the IP destination field. NOTE: this returns the number of bits |
| 1088 | * that are fixed, i.e., like CIDR, not the number of bits that are free |
| 1089 | * like OpenFlow encodes. |
| 1090 | * |
| 1091 | * @return A number between 0 (matches all IPs) and 32 (exact match) |
| 1092 | */ |
| 1093 | public int getIpv4SrcCidrMaskLen() { |
| 1094 | return Math.max(32 - ((wildcards & OFPFW_NW_SRC_MASK) >> OFPFW_NW_SRC_SHIFT), |
| 1095 | 0); |
| 1096 | } |
| 1097 | |
| 1098 | |
| 1099 | @Override |
| 1100 | public boolean isFullyWildcarded(MatchField<?> field) { |
| 1101 | switch (field.id) { |
| 1102 | case IN_PORT: |
| 1103 | return (this.wildcards & OFPFW_IN_PORT) != 0; |
| 1104 | case ETH_DST: |
| 1105 | return (this.wildcards & OFPFW_DL_DST) != 0; |
| 1106 | case ETH_SRC: |
| 1107 | return (this.wildcards & OFPFW_DL_SRC) != 0; |
| 1108 | case ETH_TYPE: |
| 1109 | return (this.wildcards & OFPFW_DL_TYPE) != 0; |
| 1110 | case VLAN_VID: |
| 1111 | return (this.wildcards & OFPFW_DL_VLAN) != 0; |
| 1112 | case VLAN_PCP: |
| 1113 | return (this.wildcards & OFPFW_DL_VLAN_PCP) != 0; |
| 1114 | case ARP_OP: |
| 1115 | return (this.wildcards & OFPFW_NW_PROTO) != 0; |
| 1116 | case ARP_SPA: |
| 1117 | return this.getIpv4SrcCidrMaskLen() <= 0; |
| 1118 | case ARP_TPA: |
| 1119 | return this.getIpv4DstCidrMaskLen() <= 0; |
| 1120 | case IP_DSCP: |
| 1121 | return (this.wildcards & OFPFW_NW_TOS) != 0; |
| 1122 | case IP_PROTO: |
| 1123 | return (this.wildcards & OFPFW_NW_PROTO) != 0; |
| 1124 | case TCP_SRC: |
| 1125 | return (this.wildcards & OFPFW_TP_SRC) != 0; |
| 1126 | case TCP_DST: |
| 1127 | return (this.wildcards & OFPFW_TP_DST) != 0; |
| 1128 | case UDP_SRC: |
| 1129 | return (this.wildcards & OFPFW_TP_SRC) != 0; |
| 1130 | case UDP_DST: |
| 1131 | return (this.wildcards & OFPFW_TP_DST) != 0; |
| 1132 | case SCTP_SRC: |
| 1133 | return (this.wildcards & OFPFW_TP_SRC) != 0; |
| 1134 | case SCTP_DST: |
| 1135 | return (this.wildcards & OFPFW_TP_DST) != 0; |
| 1136 | case ICMPV4_TYPE: |
| 1137 | return (this.wildcards & OFPFW_TP_SRC) != 0; |
| 1138 | case ICMPV4_CODE: |
| 1139 | return (this.wildcards & OFPFW_TP_DST) != 0; |
| 1140 | case IPV4_SRC: |
| 1141 | return this.getIpv4SrcCidrMaskLen() <= 0; |
| 1142 | case IPV4_DST: |
| 1143 | return this.getIpv4DstCidrMaskLen() <= 0; |
| 1144 | default: |
| 1145 | throw new UnsupportedOperationException("OFMatch does not support matching on field " + field.getName()); |
| 1146 | } |
| 1147 | } |
| 1148 | |
| 1149 | @Override |
| 1150 | public boolean isPartiallyMasked(MatchField<?> field) { |
| 1151 | switch (field.id) { |
| 1152 | case ARP_SPA: |
| 1153 | case IPV4_SRC: |
| 1154 | int srcCidrLen = getIpv4SrcCidrMaskLen(); |
| 1155 | return srcCidrLen > 0 && srcCidrLen < 32; |
| 1156 | case ARP_TPA: |
| 1157 | case IPV4_DST: |
| 1158 | int dstCidrLen = getIpv4DstCidrMaskLen(); |
| 1159 | return dstCidrLen > 0 && dstCidrLen < 32; |
| 1160 | default: |
| 1161 | throw new UnsupportedOperationException("OFMatch does not support masked matching on field " + field.getName()); |
| 1162 | } |
| 1163 | } |
| 1164 | |
| 1165 | private final void initWildcards() { |
| 1166 | if(!wildcardsSet) { |
| 1167 | wildcards = parentMessage.wildcards; |
| 1168 | wildcardsSet = true; |
| 1169 | } |
| 1170 | } |
| 1171 | |
| 1172 | @Override |
| 1173 | public <F extends OFValueType<F>> Match.Builder setExact(MatchField<F> field, |
| 1174 | F value) { |
| 1175 | initWildcards(); |
| 1176 | Object val = value; |
| 1177 | switch (field.id) { |
| 1178 | case ETH_DST: |
| 1179 | setEthDst((MacAddress) value); |
| 1180 | wildcards &= ~OFPFW_DL_DST; |
| 1181 | break; |
| 1182 | case ETH_SRC: |
| 1183 | setEthSrc((MacAddress) value); |
| 1184 | wildcards &= ~OFPFW_DL_SRC; |
| 1185 | break; |
| 1186 | case ETH_TYPE: |
| 1187 | setEthType((EthType) value); |
| 1188 | wildcards &= ~OFPFW_DL_TYPE; |
| 1189 | break; |
| 1190 | case ICMPV4_CODE: |
| 1191 | setTcpDst(TransportPort.of(((ICMPv4Code)value).getCode())); |
| 1192 | wildcards &= ~OFPFW_TP_DST; |
| 1193 | break; |
| 1194 | case ICMPV4_TYPE: |
| 1195 | setTcpSrc(TransportPort.of(((ICMPv4Type)value).getType())); |
| 1196 | wildcards &= ~OFPFW_TP_SRC; |
| 1197 | break; |
| 1198 | case IN_PORT: |
| 1199 | setInPort((OFPort) value); |
| 1200 | wildcards &= ~OFPFW_IN_PORT; |
| 1201 | break; |
| 1202 | case ARP_OP: |
| 1203 | setIpProto(IpProtocol.of((short)((ArpOpcode)value).getOpcode())); |
| 1204 | wildcards &= ~OFPFW_NW_PROTO; |
| 1205 | break; |
| 1206 | case ARP_TPA: |
| 1207 | case IPV4_DST: |
| 1208 | setIpv4Dst((IPv4Address) value); |
| 1209 | wildcards &= ~OFPFW_NW_DST_MASK; |
| 1210 | break; |
| 1211 | case ARP_SPA: |
| 1212 | case IPV4_SRC: |
| 1213 | setIpv4Src((IPv4Address) value); |
| 1214 | wildcards &= ~OFPFW_NW_SRC_MASK; |
| 1215 | break; |
| 1216 | case IP_DSCP: |
| 1217 | setIpDscp((IpDscp) value); |
| 1218 | wildcards &= ~OFPFW_NW_TOS; |
| 1219 | break; |
| 1220 | case IP_PROTO: |
| 1221 | setIpProto((IpProtocol) value); |
| 1222 | wildcards &= ~OFPFW_NW_PROTO; |
| 1223 | break; |
| 1224 | case SCTP_DST: |
| 1225 | setTcpDst((TransportPort) value); |
| 1226 | wildcards &= ~OFPFW_TP_DST; |
| 1227 | break; |
| 1228 | case SCTP_SRC: |
| 1229 | setTcpSrc((TransportPort) value); |
| 1230 | wildcards &= ~OFPFW_TP_SRC; |
| 1231 | break; |
| 1232 | case TCP_DST: |
| 1233 | setTcpDst((TransportPort) value); |
| 1234 | wildcards &= ~OFPFW_TP_DST; |
| 1235 | break; |
| 1236 | case TCP_SRC: |
| 1237 | setTcpSrc((TransportPort) value); |
| 1238 | wildcards &= ~OFPFW_TP_SRC; |
| 1239 | break; |
| 1240 | case UDP_DST: |
| 1241 | setTcpDst((TransportPort) value); |
| 1242 | wildcards &= ~OFPFW_TP_DST; |
| 1243 | break; |
| 1244 | case UDP_SRC: |
| 1245 | setTcpSrc((TransportPort) value); |
| 1246 | wildcards &= ~OFPFW_TP_SRC; |
| 1247 | break; |
| 1248 | case VLAN_PCP: |
| 1249 | setVlanPcp((VlanPcp) value); |
| 1250 | wildcards &= ~OFPFW_DL_VLAN_PCP; |
| 1251 | break; |
| 1252 | case VLAN_VID: |
| 1253 | setVlanVid((OFVlanVidMatch) value); |
| 1254 | wildcards &= ~OFPFW_DL_VLAN; |
| 1255 | break; |
| 1256 | default: |
| 1257 | throw new UnsupportedOperationException( |
| 1258 | "OFMatch does not support matching on field " + field.getName()); |
| 1259 | } |
| 1260 | return this; |
| 1261 | } |
| 1262 | |
| 1263 | @Override |
| 1264 | public <F extends OFValueType<F>> Match.Builder setMasked(MatchField<F> field, |
| 1265 | F value, F mask) { |
| 1266 | initWildcards(); |
| 1267 | switch (field.id) { |
| 1268 | case ARP_SPA: |
| 1269 | case ARP_TPA: |
| 1270 | case IPV4_DST: |
| 1271 | case IPV4_SRC: |
| 1272 | Object valObj = value; |
| 1273 | Object masObj = mask; |
| 1274 | IPv4Address ip = ((IPv4Address)valObj); |
| 1275 | int maskval = ((IPv4Address)masObj).getInt(); |
| 1276 | if (Integer.bitCount(~maskval + 1) != 1) |
| 1277 | throw new UnsupportedOperationException("OFMatch only supports CIDR masks for IPv4"); |
| 1278 | int maskLen = 32 - Integer.bitCount(maskval); |
| 1279 | switch(field.id) { |
| 1280 | case ARP_TPA: |
| 1281 | case IPV4_DST: |
| 1282 | setIpv4Dst(ip); |
| 1283 | wildcards = (wildcards &~OFPFW_NW_DST_MASK) | (maskLen << OFPFW_NW_DST_SHIFT); |
| 1284 | break; |
| 1285 | case ARP_SPA: |
| 1286 | case IPV4_SRC: |
| 1287 | setIpv4Src(ip); |
| 1288 | wildcards = (wildcards &~OFPFW_NW_SRC_MASK) | (maskLen << OFPFW_NW_SRC_SHIFT); |
| 1289 | break; |
| 1290 | default: |
| 1291 | // Cannot really get here |
| 1292 | break; |
| 1293 | } |
| 1294 | break; |
| 1295 | default: |
| 1296 | throw new UnsupportedOperationException("OFMatch does not support masked matching on field " + field.getName()); |
| 1297 | } |
| 1298 | return this; |
| 1299 | } |
| 1300 | |
| 1301 | @Override |
| 1302 | public <F extends OFValueType<F>> Match.Builder setMasked(MatchField<F> field, Masked<F> valueWithMask) |
| 1303 | throws UnsupportedOperationException { |
| 1304 | return this.setMasked(field, valueWithMask.getValue(), valueWithMask.getMask()); |
| 1305 | } |
| 1306 | |
| 1307 | @Override |
| 1308 | public <F extends OFValueType<F>> Match.Builder wildcard(MatchField<F> field) { |
| 1309 | initWildcards(); |
| 1310 | switch (field.id) { |
| 1311 | case ETH_DST: |
| 1312 | setEthDst(MacAddress.NONE); |
| 1313 | wildcards |= OFPFW_DL_DST; |
| 1314 | break; |
| 1315 | case ETH_SRC: |
| 1316 | setEthSrc(MacAddress.NONE); |
| 1317 | wildcards |= OFPFW_DL_SRC; |
| 1318 | break; |
| 1319 | case ETH_TYPE: |
| 1320 | setEthType(EthType.NONE); |
| 1321 | wildcards |= OFPFW_DL_TYPE; |
| 1322 | break; |
| 1323 | case ICMPV4_CODE: |
| 1324 | case TCP_DST: |
| 1325 | case UDP_DST: |
| 1326 | case SCTP_DST: |
| 1327 | setTcpDst(TransportPort.NONE); |
| 1328 | wildcards |= OFPFW_TP_DST; |
| 1329 | break; |
| 1330 | case ICMPV4_TYPE: |
| 1331 | case TCP_SRC: |
| 1332 | case UDP_SRC: |
| 1333 | case SCTP_SRC: |
| 1334 | setTcpSrc(TransportPort.NONE); |
| 1335 | wildcards |= OFPFW_TP_SRC; |
| 1336 | break; |
| 1337 | case IN_PORT: |
| 1338 | setInPort(OFPort.of(0)); // NOTE: not 'NONE' -- that is 0xFF for ports |
| 1339 | wildcards |= OFPFW_IN_PORT; |
| 1340 | break; |
| 1341 | case ARP_TPA: |
| 1342 | case IPV4_DST: |
| 1343 | setIpv4Dst(IPv4Address.NONE); |
| 1344 | wildcards |= OFPFW_NW_DST_MASK; |
| 1345 | break; |
| 1346 | case ARP_SPA: |
| 1347 | case IPV4_SRC: |
| 1348 | setIpv4Src(IPv4Address.NONE); |
| 1349 | wildcards |= OFPFW_NW_SRC_MASK; |
| 1350 | break; |
| 1351 | case IP_DSCP: |
| 1352 | setIpDscp(IpDscp.NONE); |
| 1353 | wildcards |= OFPFW_NW_TOS; |
| 1354 | break; |
| 1355 | case IP_PROTO: |
| 1356 | setIpProto(IpProtocol.NONE); |
| 1357 | wildcards |= OFPFW_NW_PROTO; |
| 1358 | break; |
| 1359 | case VLAN_PCP: |
| 1360 | setVlanPcp(VlanPcp.NONE); |
| 1361 | wildcards |= OFPFW_DL_VLAN_PCP; |
| 1362 | break; |
| 1363 | case VLAN_VID: |
| 1364 | setVlanVid(OFVlanVidMatch.NONE); |
| 1365 | wildcards |= OFPFW_DL_VLAN; |
| 1366 | break; |
| 1367 | default: |
| 1368 | throw new UnsupportedOperationException("OFMatch does not support matching on field " + field.getName()); |
| 1369 | } |
| 1370 | return this; |
| 1371 | } |
| 1372 | |
| 1373 | } |
| 1374 | |
| 1375 | static class Builder implements OFMatchV1.Builder { |
| 1376 | // OF message fields |
| 1377 | private boolean wildcardsSet; |
| 1378 | private int wildcards; |
| 1379 | private boolean inPortSet; |
| 1380 | private OFPort inPort; |
| 1381 | private boolean ethSrcSet; |
| 1382 | private MacAddress ethSrc; |
| 1383 | private boolean ethDstSet; |
| 1384 | private MacAddress ethDst; |
| 1385 | private boolean vlanVidSet; |
| 1386 | private OFVlanVidMatch vlanVid; |
| 1387 | private boolean vlanPcpSet; |
| 1388 | private VlanPcp vlanPcp; |
| 1389 | private boolean ethTypeSet; |
| 1390 | private EthType ethType; |
| 1391 | private boolean ipDscpSet; |
| 1392 | private IpDscp ipDscp; |
| 1393 | private boolean ipProtoSet; |
| 1394 | private IpProtocol ipProto; |
| 1395 | private boolean ipv4SrcSet; |
| 1396 | private IPv4Address ipv4Src; |
| 1397 | private boolean ipv4DstSet; |
| 1398 | private IPv4Address ipv4Dst; |
| 1399 | private boolean tcpSrcSet; |
| 1400 | private TransportPort tcpSrc; |
| 1401 | private boolean tcpDstSet; |
| 1402 | private TransportPort tcpDst; |
| 1403 | |
| 1404 | @Override |
| 1405 | public int getWildcards() { |
| 1406 | return wildcards; |
| 1407 | } |
| 1408 | |
| 1409 | @Override |
| 1410 | public OFMatchV1.Builder setWildcards(int wildcards) { |
| 1411 | this.wildcards = wildcards; |
| 1412 | this.wildcardsSet = true; |
| 1413 | return this; |
| 1414 | } |
| 1415 | @Override |
| 1416 | public OFPort getInPort() { |
| 1417 | return inPort; |
| 1418 | } |
| 1419 | |
| 1420 | @Override |
| 1421 | public OFMatchV1.Builder setInPort(OFPort inPort) { |
| 1422 | this.inPort = inPort; |
| 1423 | this.inPortSet = true; |
| 1424 | return this; |
| 1425 | } |
| 1426 | @Override |
| 1427 | public MacAddress getEthSrc() { |
| 1428 | return ethSrc; |
| 1429 | } |
| 1430 | |
| 1431 | @Override |
| 1432 | public OFMatchV1.Builder setEthSrc(MacAddress ethSrc) { |
| 1433 | this.ethSrc = ethSrc; |
| 1434 | this.ethSrcSet = true; |
| 1435 | return this; |
| 1436 | } |
| 1437 | @Override |
| 1438 | public MacAddress getEthDst() { |
| 1439 | return ethDst; |
| 1440 | } |
| 1441 | |
| 1442 | @Override |
| 1443 | public OFMatchV1.Builder setEthDst(MacAddress ethDst) { |
| 1444 | this.ethDst = ethDst; |
| 1445 | this.ethDstSet = true; |
| 1446 | return this; |
| 1447 | } |
| 1448 | @Override |
| 1449 | public OFVlanVidMatch getVlanVid() { |
| 1450 | return vlanVid; |
| 1451 | } |
| 1452 | |
| 1453 | @Override |
| 1454 | public OFMatchV1.Builder setVlanVid(OFVlanVidMatch vlanVid) { |
| 1455 | this.vlanVid = vlanVid; |
| 1456 | this.vlanVidSet = true; |
| 1457 | return this; |
| 1458 | } |
| 1459 | @Override |
| 1460 | public VlanPcp getVlanPcp() { |
| 1461 | return vlanPcp; |
| 1462 | } |
| 1463 | |
| 1464 | @Override |
| 1465 | public OFMatchV1.Builder setVlanPcp(VlanPcp vlanPcp) { |
| 1466 | this.vlanPcp = vlanPcp; |
| 1467 | this.vlanPcpSet = true; |
| 1468 | return this; |
| 1469 | } |
| 1470 | @Override |
| 1471 | public EthType getEthType() { |
| 1472 | return ethType; |
| 1473 | } |
| 1474 | |
| 1475 | @Override |
| 1476 | public OFMatchV1.Builder setEthType(EthType ethType) { |
| 1477 | this.ethType = ethType; |
| 1478 | this.ethTypeSet = true; |
| 1479 | return this; |
| 1480 | } |
| 1481 | @Override |
| 1482 | public IpDscp getIpDscp() { |
| 1483 | return ipDscp; |
| 1484 | } |
| 1485 | |
| 1486 | @Override |
| 1487 | public OFMatchV1.Builder setIpDscp(IpDscp ipDscp) { |
| 1488 | this.ipDscp = ipDscp; |
| 1489 | this.ipDscpSet = true; |
| 1490 | return this; |
| 1491 | } |
| 1492 | @Override |
| 1493 | public IpProtocol getIpProto() { |
| 1494 | return ipProto; |
| 1495 | } |
| 1496 | |
| 1497 | @Override |
| 1498 | public OFMatchV1.Builder setIpProto(IpProtocol ipProto) { |
| 1499 | this.ipProto = ipProto; |
| 1500 | this.ipProtoSet = true; |
| 1501 | return this; |
| 1502 | } |
| 1503 | @Override |
| 1504 | public IPv4Address getIpv4Src() { |
| 1505 | return ipv4Src; |
| 1506 | } |
| 1507 | |
| 1508 | @Override |
| 1509 | public OFMatchV1.Builder setIpv4Src(IPv4Address ipv4Src) { |
| 1510 | this.ipv4Src = ipv4Src; |
| 1511 | this.ipv4SrcSet = true; |
| 1512 | return this; |
| 1513 | } |
| 1514 | @Override |
| 1515 | public IPv4Address getIpv4Dst() { |
| 1516 | return ipv4Dst; |
| 1517 | } |
| 1518 | |
| 1519 | @Override |
| 1520 | public OFMatchV1.Builder setIpv4Dst(IPv4Address ipv4Dst) { |
| 1521 | this.ipv4Dst = ipv4Dst; |
| 1522 | this.ipv4DstSet = true; |
| 1523 | return this; |
| 1524 | } |
| 1525 | @Override |
| 1526 | public TransportPort getTcpSrc() { |
| 1527 | return tcpSrc; |
| 1528 | } |
| 1529 | |
| 1530 | @Override |
| 1531 | public OFMatchV1.Builder setTcpSrc(TransportPort tcpSrc) { |
| 1532 | this.tcpSrc = tcpSrc; |
| 1533 | this.tcpSrcSet = true; |
| 1534 | return this; |
| 1535 | } |
| 1536 | @Override |
| 1537 | public TransportPort getTcpDst() { |
| 1538 | return tcpDst; |
| 1539 | } |
| 1540 | |
| 1541 | @Override |
| 1542 | public OFMatchV1.Builder setTcpDst(TransportPort tcpDst) { |
| 1543 | this.tcpDst = tcpDst; |
| 1544 | this.tcpDstSet = true; |
| 1545 | return this; |
| 1546 | } |
| 1547 | @Override |
| 1548 | public OFVersion getVersion() { |
| 1549 | return OFVersion.OF_10; |
| 1550 | } |
| 1551 | |
| 1552 | // |
| 1553 | @Override |
| 1554 | public OFMatchV1 build() { |
| 1555 | int wildcards = this.wildcardsSet ? this.wildcards : DEFAULT_WILDCARDS; |
| 1556 | OFPort inPort = this.inPortSet ? this.inPort : DEFAULT_IN_PORT; |
| 1557 | if(inPort == null) |
| 1558 | throw new NullPointerException("Property inPort must not be null"); |
| 1559 | MacAddress ethSrc = this.ethSrcSet ? this.ethSrc : DEFAULT_ETH_SRC; |
| 1560 | if(ethSrc == null) |
| 1561 | throw new NullPointerException("Property ethSrc must not be null"); |
| 1562 | MacAddress ethDst = this.ethDstSet ? this.ethDst : DEFAULT_ETH_DST; |
| 1563 | if(ethDst == null) |
| 1564 | throw new NullPointerException("Property ethDst must not be null"); |
| 1565 | OFVlanVidMatch vlanVid = this.vlanVidSet ? this.vlanVid : DEFAULT_VLAN_VID; |
| 1566 | if(vlanVid == null) |
| 1567 | throw new NullPointerException("Property vlanVid must not be null"); |
| 1568 | VlanPcp vlanPcp = this.vlanPcpSet ? this.vlanPcp : DEFAULT_VLAN_PCP; |
| 1569 | if(vlanPcp == null) |
| 1570 | throw new NullPointerException("Property vlanPcp must not be null"); |
| 1571 | EthType ethType = this.ethTypeSet ? this.ethType : DEFAULT_ETH_TYPE; |
| 1572 | if(ethType == null) |
| 1573 | throw new NullPointerException("Property ethType must not be null"); |
| 1574 | IpDscp ipDscp = this.ipDscpSet ? this.ipDscp : DEFAULT_IP_DSCP; |
| 1575 | if(ipDscp == null) |
| 1576 | throw new NullPointerException("Property ipDscp must not be null"); |
| 1577 | IpProtocol ipProto = this.ipProtoSet ? this.ipProto : DEFAULT_IP_PROTO; |
| 1578 | if(ipProto == null) |
| 1579 | throw new NullPointerException("Property ipProto must not be null"); |
| 1580 | IPv4Address ipv4Src = this.ipv4SrcSet ? this.ipv4Src : DEFAULT_IPV4_SRC; |
| 1581 | if(ipv4Src == null) |
| 1582 | throw new NullPointerException("Property ipv4Src must not be null"); |
| 1583 | IPv4Address ipv4Dst = this.ipv4DstSet ? this.ipv4Dst : DEFAULT_IPV4_DST; |
| 1584 | if(ipv4Dst == null) |
| 1585 | throw new NullPointerException("Property ipv4Dst must not be null"); |
| 1586 | TransportPort tcpSrc = this.tcpSrcSet ? this.tcpSrc : DEFAULT_TCP_SRC; |
| 1587 | if(tcpSrc == null) |
| 1588 | throw new NullPointerException("Property tcpSrc must not be null"); |
| 1589 | TransportPort tcpDst = this.tcpDstSet ? this.tcpDst : DEFAULT_TCP_DST; |
| 1590 | if(tcpDst == null) |
| 1591 | throw new NullPointerException("Property tcpDst must not be null"); |
| 1592 | |
| 1593 | // normalize match fields according to current OpenVSwitch behavior. When prerequisites for a field are not met |
| 1594 | // e.g., eth_type is not set to 0x800, OVS sets the value of corresponding ignored fields (e.g., |
| 1595 | // ip_src, tcp_dst) to 0, and sets the wildcard bit to 1. |
| 1596 | if(ethType.equals(EthType.IPv4)) { |
| 1597 | // IP |
| 1598 | if(ipProto.equals(IpProtocol.TCP) || ipProto.equals(IpProtocol.UDP) || ipProto.equals(IpProtocol.ICMP)) { |
| 1599 | // fully speced, wildcards and all values are fine |
| 1600 | // normalize 32-63 ipv4 src 'mask' to a full bitmask |
| 1601 | if((wildcards & OFPFW_NW_SRC_ALL) != 0) |
| 1602 | wildcards |= OFPFW_NW_SRC_MASK; |
| 1603 | |
| 1604 | // normalize 32-63 ipv4 dst 'mask' to a full bitmask |
| 1605 | if((wildcards & OFPFW_NW_DST_ALL) != 0) |
| 1606 | wildcards |= OFPFW_NW_DST_MASK; |
| 1607 | |
| 1608 | } else { |
| 1609 | // normalize 32-63 ipv4 src 'mask' to a full bitmask |
| 1610 | if((wildcards & OFPFW_NW_SRC_ALL) != 0) |
| 1611 | wildcards |= OFPFW_NW_SRC_MASK; |
| 1612 | |
| 1613 | // normalize 32-63 ipv4 dst 'mask' to a full bitmask |
| 1614 | if((wildcards & OFPFW_NW_DST_ALL) != 0) |
| 1615 | wildcards |= OFPFW_NW_DST_MASK; |
| 1616 | |
| 1617 | // not TCP/UDP/ICMP -> Clear TP wildcards for the wire |
| 1618 | wildcards |= (OFPFW_TP_SRC | OFPFW_TP_DST); |
| 1619 | tcpSrc = TransportPort.NONE; |
| 1620 | tcpDst = TransportPort.NONE; |
| 1621 | } |
| 1622 | } else if (ethType.equals(EthType.ARP)) { |
| 1623 | // normalize 32-63 ipv4 src 'mask' to a full bitmask |
| 1624 | if((wildcards & OFPFW_NW_SRC_ALL) != 0) |
| 1625 | wildcards |= OFPFW_NW_SRC_MASK; |
| 1626 | |
| 1627 | // normalize 32-63 ipv4 dst 'mask' to a full bitmask |
| 1628 | if((wildcards & OFPFW_NW_DST_ALL) != 0) |
| 1629 | wildcards |= OFPFW_NW_DST_MASK; |
| 1630 | |
| 1631 | // ARP: clear NW_TOS / TP wildcards for the wire |
| 1632 | wildcards |= ( OFPFW_NW_TOS | OFPFW_TP_SRC | OFPFW_TP_DST); |
| 1633 | ipDscp = IpDscp.NONE; |
| 1634 | tcpSrc = TransportPort.NONE; |
| 1635 | tcpDst = TransportPort.NONE; |
| 1636 | } else { |
| 1637 | // not even IP. Clear NW/TP wildcards for the wire |
| 1638 | wildcards |= ( OFPFW_NW_TOS | OFPFW_NW_PROTO | OFPFW_NW_SRC_MASK | OFPFW_NW_DST_MASK | OFPFW_TP_SRC | OFPFW_TP_DST); |
| 1639 | ipDscp = IpDscp.NONE; |
| 1640 | ipProto = IpProtocol.NONE; |
| 1641 | ipv4Src = IPv4Address.NONE; |
| 1642 | ipv4Dst = IPv4Address.NONE; |
| 1643 | tcpSrc = TransportPort.NONE; |
| 1644 | tcpDst = TransportPort.NONE; |
| 1645 | } |
| 1646 | |
| 1647 | return new OFMatchV1Ver10( |
| 1648 | wildcards, |
| 1649 | inPort, |
| 1650 | ethSrc, |
| 1651 | ethDst, |
| 1652 | vlanVid, |
| 1653 | vlanPcp, |
| 1654 | ethType, |
| 1655 | ipDscp, |
| 1656 | ipProto, |
| 1657 | ipv4Src, |
| 1658 | ipv4Dst, |
| 1659 | tcpSrc, |
| 1660 | tcpDst |
| 1661 | ); |
| 1662 | } |
| 1663 | @SuppressWarnings("unchecked") |
| 1664 | @Override |
| 1665 | public <F extends OFValueType<F>> F get(MatchField<F> field) |
| 1666 | throws UnsupportedOperationException { |
| 1667 | if (isFullyWildcarded(field)) |
| 1668 | return null; |
| 1669 | |
| 1670 | Object result; |
| 1671 | switch (field.id) { |
| 1672 | case IN_PORT: |
| 1673 | result = inPort; |
| 1674 | break; |
| 1675 | case ETH_DST: |
| 1676 | result = ethDst; |
| 1677 | break; |
| 1678 | case ETH_SRC: |
| 1679 | result = ethSrc; |
| 1680 | break; |
| 1681 | case ETH_TYPE: |
| 1682 | result = ethType; |
| 1683 | break; |
| 1684 | case VLAN_VID: |
| 1685 | result = vlanVid; |
| 1686 | break; |
| 1687 | case VLAN_PCP: |
| 1688 | result = vlanPcp; |
| 1689 | break; |
| 1690 | case ARP_OP: |
| 1691 | result = ArpOpcode.of(ipProto.getIpProtocolNumber()); |
| 1692 | break; |
| 1693 | case ARP_SPA: |
| 1694 | result = ipv4Src; |
| 1695 | break; |
| 1696 | case ARP_TPA: |
| 1697 | result = ipv4Dst; |
| 1698 | break; |
| 1699 | case IP_DSCP: |
| 1700 | result = ipDscp; |
| 1701 | break; |
| 1702 | case IP_PROTO: |
| 1703 | result = ipProto; |
| 1704 | break; |
| 1705 | case IPV4_SRC: |
| 1706 | result = ipv4Src; |
| 1707 | break; |
| 1708 | case IPV4_DST: |
| 1709 | result = ipv4Dst; |
| 1710 | break; |
| 1711 | case TCP_SRC: |
| 1712 | result = tcpSrc; |
| 1713 | break; |
| 1714 | case TCP_DST: |
| 1715 | result = tcpDst; |
| 1716 | break; |
| 1717 | case UDP_SRC: |
| 1718 | result = tcpSrc; |
| 1719 | break; |
| 1720 | case UDP_DST: |
| 1721 | result = tcpDst; |
| 1722 | break; |
| 1723 | case SCTP_SRC: |
| 1724 | result = tcpSrc; |
| 1725 | break; |
| 1726 | case SCTP_DST: |
| 1727 | result = tcpDst; |
| 1728 | break; |
| 1729 | case ICMPV4_TYPE: |
| 1730 | result = tcpSrc; |
| 1731 | break; |
| 1732 | case ICMPV4_CODE: |
| 1733 | result = tcpDst; |
| 1734 | break; |
| 1735 | // NOT SUPPORTED: |
| 1736 | default: |
| 1737 | throw new UnsupportedOperationException("OFMatch does not support matching on field " + field.getName()); |
| 1738 | } |
| 1739 | return (F)result; |
| 1740 | } |
| 1741 | |
| 1742 | @SuppressWarnings("unchecked") |
| 1743 | @Override |
| 1744 | public <F extends OFValueType<F>> Masked<F> getMasked(MatchField<F> field) |
| 1745 | throws UnsupportedOperationException { |
| 1746 | if (!isPartiallyMasked(field)) |
| 1747 | return null; |
| 1748 | Object result; |
| 1749 | switch (field.id) { |
| 1750 | case IPV4_SRC: |
| 1751 | case ARP_SPA: |
| 1752 | int srcBitMask = (-1) << (32 - getIpv4SrcCidrMaskLen()); |
| 1753 | result = IPv4AddressWithMask.of(ipv4Src, IPv4Address.of(srcBitMask)); |
| 1754 | break; |
| 1755 | case IPV4_DST: |
| 1756 | case ARP_TPA: |
| 1757 | int dstMaskedBits = Math.min(32, (wildcards & OFPFW_NW_DST_MASK) >> OFPFW_NW_DST_SHIFT); |
| 1758 | int dstBitMask = (-1) << (32 - getIpv4DstCidrMaskLen()); |
| 1759 | |
| 1760 | result = IPv4AddressWithMask.of(ipv4Dst, IPv4Address.of(dstBitMask)); |
| 1761 | break; |
| 1762 | default: |
| 1763 | throw new UnsupportedOperationException("OFMatch does not support masked matching on field " + field.getName()); |
| 1764 | } |
| 1765 | return (Masked<F>)result; |
| 1766 | } |
| 1767 | |
| 1768 | @Override |
| 1769 | public boolean supports(MatchField<?> field) { |
| 1770 | switch (field.id) { |
| 1771 | case IN_PORT: |
| 1772 | case ETH_DST: |
| 1773 | case ETH_SRC: |
| 1774 | case ETH_TYPE: |
| 1775 | case VLAN_VID: |
| 1776 | case VLAN_PCP: |
| 1777 | case ARP_OP: |
| 1778 | case ARP_SPA: |
| 1779 | case ARP_TPA: |
| 1780 | case IP_DSCP: |
| 1781 | case IP_PROTO: |
| 1782 | case IPV4_SRC: |
| 1783 | case IPV4_DST: |
| 1784 | case TCP_SRC: |
| 1785 | case TCP_DST: |
| 1786 | case UDP_SRC: |
| 1787 | case UDP_DST: |
| 1788 | case SCTP_SRC: |
| 1789 | case SCTP_DST: |
| 1790 | case ICMPV4_TYPE: |
| 1791 | case ICMPV4_CODE: |
| 1792 | return true; |
| 1793 | default: |
| 1794 | return false; |
| 1795 | } |
| 1796 | } |
| 1797 | |
| 1798 | @Override |
| 1799 | public boolean supportsMasked(MatchField<?> field) { |
| 1800 | switch (field.id) { |
| 1801 | case ARP_SPA: |
| 1802 | case ARP_TPA: |
| 1803 | case IPV4_SRC: |
| 1804 | case IPV4_DST: |
| 1805 | return true; |
| 1806 | default: |
| 1807 | return false; |
| 1808 | } |
| 1809 | } |
| 1810 | |
| 1811 | @Override |
| 1812 | public boolean isExact(MatchField<?> field) { |
| 1813 | switch (field.id) { |
| 1814 | case IN_PORT: |
| 1815 | return (this.wildcards & OFPFW_IN_PORT) == 0; |
| 1816 | case ETH_DST: |
| 1817 | return (this.wildcards & OFPFW_DL_DST) == 0; |
| 1818 | case ETH_SRC: |
| 1819 | return (this.wildcards & OFPFW_DL_SRC) == 0; |
| 1820 | case ETH_TYPE: |
| 1821 | return (this.wildcards & OFPFW_DL_TYPE) == 0; |
| 1822 | case VLAN_VID: |
| 1823 | return (this.wildcards & OFPFW_DL_VLAN) == 0; |
| 1824 | case VLAN_PCP: |
| 1825 | return (this.wildcards & OFPFW_DL_VLAN_PCP) == 0; |
| 1826 | case ARP_OP: |
| 1827 | return (this.wildcards & OFPFW_NW_PROTO) == 0; |
| 1828 | case ARP_SPA: |
| 1829 | return this.getIpv4SrcCidrMaskLen() >= 32; |
| 1830 | case ARP_TPA: |
| 1831 | return this.getIpv4DstCidrMaskLen() >= 32; |
| 1832 | case IP_DSCP: |
| 1833 | return (this.wildcards & OFPFW_NW_TOS) == 0; |
| 1834 | case IP_PROTO: |
| 1835 | return (this.wildcards & OFPFW_NW_PROTO) == 0; |
| 1836 | case IPV4_SRC: |
| 1837 | return this.getIpv4SrcCidrMaskLen() >= 32; |
| 1838 | case IPV4_DST: |
| 1839 | return this.getIpv4DstCidrMaskLen() >= 32; |
| 1840 | case TCP_SRC: |
| 1841 | return (this.wildcards & OFPFW_TP_SRC) == 0; |
| 1842 | case TCP_DST: |
| 1843 | return (this.wildcards & OFPFW_TP_DST) == 0; |
| 1844 | case UDP_SRC: |
| 1845 | return (this.wildcards & OFPFW_TP_SRC) == 0; |
| 1846 | case UDP_DST: |
| 1847 | return (this.wildcards & OFPFW_TP_DST) == 0; |
| 1848 | case SCTP_SRC: |
| 1849 | return (this.wildcards & OFPFW_TP_SRC) == 0; |
| 1850 | case SCTP_DST: |
| 1851 | return (this.wildcards & OFPFW_TP_DST) == 0; |
| 1852 | case ICMPV4_TYPE: |
| 1853 | return (this.wildcards & OFPFW_TP_SRC) == 0; |
| 1854 | case ICMPV4_CODE: |
| 1855 | return (this.wildcards & OFPFW_TP_DST) == 0; |
| 1856 | default: |
| 1857 | throw new UnsupportedOperationException("OFMatch does not support matching on field " + field.getName()); |
| 1858 | } |
| 1859 | } |
| 1860 | |
| 1861 | /** |
| 1862 | * Parse this match's wildcard fields and return the number of significant |
| 1863 | * bits in the IP destination field. NOTE: this returns the number of bits |
| 1864 | * that are fixed, i.e., like CIDR, not the number of bits that are free |
| 1865 | * like OpenFlow encodes. |
| 1866 | * |
| 1867 | * @return A number between 0 (matches all IPs) and 32 (exact match) |
| 1868 | */ |
| 1869 | public int getIpv4DstCidrMaskLen() { |
| 1870 | return Math.max(32 - ((wildcards & OFPFW_NW_DST_MASK) >> OFPFW_NW_DST_SHIFT), |
| 1871 | 0); |
| 1872 | } |
| 1873 | |
| 1874 | /** |
| 1875 | * Parse this match's wildcard fields and return the number of significant |
| 1876 | * bits in the IP destination field. NOTE: this returns the number of bits |
| 1877 | * that are fixed, i.e., like CIDR, not the number of bits that are free |
| 1878 | * like OpenFlow encodes. |
| 1879 | * |
| 1880 | * @return A number between 0 (matches all IPs) and 32 (exact match) |
| 1881 | */ |
| 1882 | public int getIpv4SrcCidrMaskLen() { |
| 1883 | return Math.max(32 - ((wildcards & OFPFW_NW_SRC_MASK) >> OFPFW_NW_SRC_SHIFT), |
| 1884 | 0); |
| 1885 | } |
| 1886 | |
| 1887 | |
| 1888 | @Override |
| 1889 | public boolean isFullyWildcarded(MatchField<?> field) { |
| 1890 | switch (field.id) { |
| 1891 | case IN_PORT: |
| 1892 | return (this.wildcards & OFPFW_IN_PORT) != 0; |
| 1893 | case ETH_DST: |
| 1894 | return (this.wildcards & OFPFW_DL_DST) != 0; |
| 1895 | case ETH_SRC: |
| 1896 | return (this.wildcards & OFPFW_DL_SRC) != 0; |
| 1897 | case ETH_TYPE: |
| 1898 | return (this.wildcards & OFPFW_DL_TYPE) != 0; |
| 1899 | case VLAN_VID: |
| 1900 | return (this.wildcards & OFPFW_DL_VLAN) != 0; |
| 1901 | case VLAN_PCP: |
| 1902 | return (this.wildcards & OFPFW_DL_VLAN_PCP) != 0; |
| 1903 | case ARP_OP: |
| 1904 | return (this.wildcards & OFPFW_NW_PROTO) != 0; |
| 1905 | case ARP_SPA: |
| 1906 | return this.getIpv4SrcCidrMaskLen() <= 0; |
| 1907 | case ARP_TPA: |
| 1908 | return this.getIpv4DstCidrMaskLen() <= 0; |
| 1909 | case IP_DSCP: |
| 1910 | return (this.wildcards & OFPFW_NW_TOS) != 0; |
| 1911 | case IP_PROTO: |
| 1912 | return (this.wildcards & OFPFW_NW_PROTO) != 0; |
| 1913 | case TCP_SRC: |
| 1914 | return (this.wildcards & OFPFW_TP_SRC) != 0; |
| 1915 | case TCP_DST: |
| 1916 | return (this.wildcards & OFPFW_TP_DST) != 0; |
| 1917 | case UDP_SRC: |
| 1918 | return (this.wildcards & OFPFW_TP_SRC) != 0; |
| 1919 | case UDP_DST: |
| 1920 | return (this.wildcards & OFPFW_TP_DST) != 0; |
| 1921 | case SCTP_SRC: |
| 1922 | return (this.wildcards & OFPFW_TP_SRC) != 0; |
| 1923 | case SCTP_DST: |
| 1924 | return (this.wildcards & OFPFW_TP_DST) != 0; |
| 1925 | case ICMPV4_TYPE: |
| 1926 | return (this.wildcards & OFPFW_TP_SRC) != 0; |
| 1927 | case ICMPV4_CODE: |
| 1928 | return (this.wildcards & OFPFW_TP_DST) != 0; |
| 1929 | case IPV4_SRC: |
| 1930 | return this.getIpv4SrcCidrMaskLen() <= 0; |
| 1931 | case IPV4_DST: |
| 1932 | return this.getIpv4DstCidrMaskLen() <= 0; |
| 1933 | default: |
| 1934 | throw new UnsupportedOperationException("OFMatch does not support matching on field " + field.getName()); |
| 1935 | } |
| 1936 | } |
| 1937 | |
| 1938 | @Override |
| 1939 | public boolean isPartiallyMasked(MatchField<?> field) { |
| 1940 | switch (field.id) { |
| 1941 | case ARP_SPA: |
| 1942 | case IPV4_SRC: |
| 1943 | int srcCidrLen = getIpv4SrcCidrMaskLen(); |
| 1944 | return srcCidrLen > 0 && srcCidrLen < 32; |
| 1945 | case ARP_TPA: |
| 1946 | case IPV4_DST: |
| 1947 | int dstCidrLen = getIpv4DstCidrMaskLen(); |
| 1948 | return dstCidrLen > 0 && dstCidrLen < 32; |
| 1949 | default: |
| 1950 | throw new UnsupportedOperationException("OFMatch does not support masked matching on field " + field.getName()); |
| 1951 | } |
| 1952 | } |
| 1953 | |
| 1954 | private final void initWildcards() { |
| 1955 | if(!wildcardsSet) { |
| 1956 | wildcards = OFPFW_ALL; |
| 1957 | wildcardsSet = true; |
| 1958 | } |
| 1959 | } |
| 1960 | |
| 1961 | @Override |
| 1962 | public <F extends OFValueType<F>> Match.Builder setExact(MatchField<F> field, |
| 1963 | F value) { |
| 1964 | initWildcards(); |
| 1965 | Object val = value; |
| 1966 | switch (field.id) { |
| 1967 | case ETH_DST: |
| 1968 | setEthDst((MacAddress) value); |
| 1969 | wildcards &= ~OFPFW_DL_DST; |
| 1970 | break; |
| 1971 | case ETH_SRC: |
| 1972 | setEthSrc((MacAddress) value); |
| 1973 | wildcards &= ~OFPFW_DL_SRC; |
| 1974 | break; |
| 1975 | case ETH_TYPE: |
| 1976 | setEthType((EthType) value); |
| 1977 | wildcards &= ~OFPFW_DL_TYPE; |
| 1978 | break; |
| 1979 | case ICMPV4_CODE: |
| 1980 | setTcpDst(TransportPort.of(((ICMPv4Code)value).getCode())); |
| 1981 | wildcards &= ~OFPFW_TP_DST; |
| 1982 | break; |
| 1983 | case ICMPV4_TYPE: |
| 1984 | setTcpSrc(TransportPort.of(((ICMPv4Type)value).getType())); |
| 1985 | wildcards &= ~OFPFW_TP_SRC; |
| 1986 | break; |
| 1987 | case IN_PORT: |
| 1988 | setInPort((OFPort) value); |
| 1989 | wildcards &= ~OFPFW_IN_PORT; |
| 1990 | break; |
| 1991 | case ARP_OP: |
| 1992 | setIpProto(IpProtocol.of((short)((ArpOpcode)value).getOpcode())); |
| 1993 | wildcards &= ~OFPFW_NW_PROTO; |
| 1994 | break; |
| 1995 | case ARP_TPA: |
| 1996 | case IPV4_DST: |
| 1997 | setIpv4Dst((IPv4Address) value); |
| 1998 | wildcards &= ~OFPFW_NW_DST_MASK; |
| 1999 | break; |
| 2000 | case ARP_SPA: |
| 2001 | case IPV4_SRC: |
| 2002 | setIpv4Src((IPv4Address) value); |
| 2003 | wildcards &= ~OFPFW_NW_SRC_MASK; |
| 2004 | break; |
| 2005 | case IP_DSCP: |
| 2006 | setIpDscp((IpDscp) value); |
| 2007 | wildcards &= ~OFPFW_NW_TOS; |
| 2008 | break; |
| 2009 | case IP_PROTO: |
| 2010 | setIpProto((IpProtocol) value); |
| 2011 | wildcards &= ~OFPFW_NW_PROTO; |
| 2012 | break; |
| 2013 | case SCTP_DST: |
| 2014 | setTcpDst((TransportPort) value); |
| 2015 | wildcards &= ~OFPFW_TP_DST; |
| 2016 | break; |
| 2017 | case SCTP_SRC: |
| 2018 | setTcpSrc((TransportPort) value); |
| 2019 | wildcards &= ~OFPFW_TP_SRC; |
| 2020 | break; |
| 2021 | case TCP_DST: |
| 2022 | setTcpDst((TransportPort) value); |
| 2023 | wildcards &= ~OFPFW_TP_DST; |
| 2024 | break; |
| 2025 | case TCP_SRC: |
| 2026 | setTcpSrc((TransportPort) value); |
| 2027 | wildcards &= ~OFPFW_TP_SRC; |
| 2028 | break; |
| 2029 | case UDP_DST: |
| 2030 | setTcpDst((TransportPort) value); |
| 2031 | wildcards &= ~OFPFW_TP_DST; |
| 2032 | break; |
| 2033 | case UDP_SRC: |
| 2034 | setTcpSrc((TransportPort) value); |
| 2035 | wildcards &= ~OFPFW_TP_SRC; |
| 2036 | break; |
| 2037 | case VLAN_PCP: |
| 2038 | setVlanPcp((VlanPcp) value); |
| 2039 | wildcards &= ~OFPFW_DL_VLAN_PCP; |
| 2040 | break; |
| 2041 | case VLAN_VID: |
| 2042 | setVlanVid((OFVlanVidMatch) value); |
| 2043 | wildcards &= ~OFPFW_DL_VLAN; |
| 2044 | break; |
| 2045 | default: |
| 2046 | throw new UnsupportedOperationException( |
| 2047 | "OFMatch does not support matching on field " + field.getName()); |
| 2048 | } |
| 2049 | return this; |
| 2050 | } |
| 2051 | |
| 2052 | @Override |
| 2053 | public <F extends OFValueType<F>> Match.Builder setMasked(MatchField<F> field, |
| 2054 | F value, F mask) { |
| 2055 | initWildcards(); |
| 2056 | switch (field.id) { |
| 2057 | case ARP_SPA: |
| 2058 | case ARP_TPA: |
| 2059 | case IPV4_DST: |
| 2060 | case IPV4_SRC: |
| 2061 | Object valObj = value; |
| 2062 | Object masObj = mask; |
| 2063 | IPv4Address ip = ((IPv4Address)valObj); |
| 2064 | int maskval = ((IPv4Address)masObj).getInt(); |
| 2065 | if (Integer.bitCount(~maskval + 1) != 1) |
| 2066 | throw new UnsupportedOperationException("OFMatch only supports CIDR masks for IPv4"); |
| 2067 | int maskLen = 32 - Integer.bitCount(maskval); |
| 2068 | switch(field.id) { |
| 2069 | case ARP_TPA: |
| 2070 | case IPV4_DST: |
| 2071 | setIpv4Dst(ip); |
| 2072 | wildcards = (wildcards &~OFPFW_NW_DST_MASK) | (maskLen << OFPFW_NW_DST_SHIFT); |
| 2073 | break; |
| 2074 | case ARP_SPA: |
| 2075 | case IPV4_SRC: |
| 2076 | setIpv4Src(ip); |
| 2077 | wildcards = (wildcards &~OFPFW_NW_SRC_MASK) | (maskLen << OFPFW_NW_SRC_SHIFT); |
| 2078 | break; |
| 2079 | default: |
| 2080 | // Cannot really get here |
| 2081 | break; |
| 2082 | } |
| 2083 | break; |
| 2084 | default: |
| 2085 | throw new UnsupportedOperationException("OFMatch does not support masked matching on field " + field.getName()); |
| 2086 | } |
| 2087 | return this; |
| 2088 | } |
| 2089 | |
| 2090 | @Override |
| 2091 | public <F extends OFValueType<F>> Match.Builder setMasked(MatchField<F> field, Masked<F> valueWithMask) |
| 2092 | throws UnsupportedOperationException { |
| 2093 | return this.setMasked(field, valueWithMask.getValue(), valueWithMask.getMask()); |
| 2094 | } |
| 2095 | |
| 2096 | @Override |
| 2097 | public <F extends OFValueType<F>> Match.Builder wildcard(MatchField<F> field) { |
| 2098 | initWildcards(); |
| 2099 | switch (field.id) { |
| 2100 | case ETH_DST: |
| 2101 | setEthDst(MacAddress.NONE); |
| 2102 | wildcards |= OFPFW_DL_DST; |
| 2103 | break; |
| 2104 | case ETH_SRC: |
| 2105 | setEthSrc(MacAddress.NONE); |
| 2106 | wildcards |= OFPFW_DL_SRC; |
| 2107 | break; |
| 2108 | case ETH_TYPE: |
| 2109 | setEthType(EthType.NONE); |
| 2110 | wildcards |= OFPFW_DL_TYPE; |
| 2111 | break; |
| 2112 | case ICMPV4_CODE: |
| 2113 | case TCP_DST: |
| 2114 | case UDP_DST: |
| 2115 | case SCTP_DST: |
| 2116 | setTcpDst(TransportPort.NONE); |
| 2117 | wildcards |= OFPFW_TP_DST; |
| 2118 | break; |
| 2119 | case ICMPV4_TYPE: |
| 2120 | case TCP_SRC: |
| 2121 | case UDP_SRC: |
| 2122 | case SCTP_SRC: |
| 2123 | setTcpSrc(TransportPort.NONE); |
| 2124 | wildcards |= OFPFW_TP_SRC; |
| 2125 | break; |
| 2126 | case IN_PORT: |
| 2127 | setInPort(OFPort.of(0)); // NOTE: not 'NONE' -- that is 0xFF for ports |
| 2128 | wildcards |= OFPFW_IN_PORT; |
| 2129 | break; |
| 2130 | case ARP_TPA: |
| 2131 | case IPV4_DST: |
| 2132 | setIpv4Dst(IPv4Address.NONE); |
| 2133 | wildcards |= OFPFW_NW_DST_MASK; |
| 2134 | break; |
| 2135 | case ARP_SPA: |
| 2136 | case IPV4_SRC: |
| 2137 | setIpv4Src(IPv4Address.NONE); |
| 2138 | wildcards |= OFPFW_NW_SRC_MASK; |
| 2139 | break; |
| 2140 | case IP_DSCP: |
| 2141 | setIpDscp(IpDscp.NONE); |
| 2142 | wildcards |= OFPFW_NW_TOS; |
| 2143 | break; |
| 2144 | case IP_PROTO: |
| 2145 | setIpProto(IpProtocol.NONE); |
| 2146 | wildcards |= OFPFW_NW_PROTO; |
| 2147 | break; |
| 2148 | case VLAN_PCP: |
| 2149 | setVlanPcp(VlanPcp.NONE); |
| 2150 | wildcards |= OFPFW_DL_VLAN_PCP; |
| 2151 | break; |
| 2152 | case VLAN_VID: |
| 2153 | setVlanVid(OFVlanVidMatch.NONE); |
| 2154 | wildcards |= OFPFW_DL_VLAN; |
| 2155 | break; |
| 2156 | default: |
| 2157 | throw new UnsupportedOperationException("OFMatch does not support matching on field " + field.getName()); |
| 2158 | } |
| 2159 | return this; |
| 2160 | } |
| 2161 | |
| 2162 | } |
| 2163 | |
| 2164 | |
| 2165 | final static Reader READER = new Reader(); |
| 2166 | static class Reader implements OFMessageReader<OFMatchV1> { |
| 2167 | @Override |
| 2168 | public OFMatchV1 readFrom(ChannelBuffer bb) throws OFParseError { |
| 2169 | int wildcards = bb.readInt(); |
| 2170 | OFPort inPort = OFPort.read2Bytes(bb); |
| 2171 | MacAddress ethSrc = MacAddress.read6Bytes(bb); |
| 2172 | MacAddress ethDst = MacAddress.read6Bytes(bb); |
| 2173 | OFVlanVidMatch vlanVid = OFVlanVidMatch.read2BytesOF10(bb); |
| 2174 | VlanPcp vlanPcp = VlanPcp.readByte(bb); |
| 2175 | // pad: 1 bytes |
| 2176 | bb.skipBytes(1); |
| 2177 | EthType ethType = EthType.read2Bytes(bb); |
| 2178 | IpDscp ipDscp = IpDscp.readByte(bb); |
| 2179 | IpProtocol ipProto = IpProtocol.readByte(bb); |
| 2180 | // pad: 2 bytes |
| 2181 | bb.skipBytes(2); |
| 2182 | IPv4Address ipv4Src = IPv4Address.read4Bytes(bb); |
| 2183 | IPv4Address ipv4Dst = IPv4Address.read4Bytes(bb); |
| 2184 | TransportPort tcpSrc = TransportPort.read2Bytes(bb); |
| 2185 | TransportPort tcpDst = TransportPort.read2Bytes(bb); |
| 2186 | |
| 2187 | // normalize match fields according to current OpenVSwitch behavior. When prerequisites for a field are not met |
| 2188 | // e.g., eth_type is not set to 0x800, OVS sets the value of corresponding ignored fields (e.g., |
| 2189 | // ip_src, tcp_dst) to 0, and sets the wildcard bit to 1. |
| 2190 | if(ethType.equals(EthType.IPv4)) { |
| 2191 | // IP |
| 2192 | if(ipProto.equals(IpProtocol.TCP) || ipProto.equals(IpProtocol.UDP) || ipProto.equals(IpProtocol.ICMP)) { |
| 2193 | // fully speced, wildcards and all values are fine |
| 2194 | // normalize 32-63 ipv4 src 'mask' to a full bitmask |
| 2195 | if((wildcards & OFPFW_NW_SRC_ALL) != 0) |
| 2196 | wildcards |= OFPFW_NW_SRC_MASK; |
| 2197 | |
| 2198 | // normalize 32-63 ipv4 dst 'mask' to a full bitmask |
| 2199 | if((wildcards & OFPFW_NW_DST_ALL) != 0) |
| 2200 | wildcards |= OFPFW_NW_DST_MASK; |
| 2201 | |
| 2202 | } else { |
| 2203 | // normalize 32-63 ipv4 src 'mask' to a full bitmask |
| 2204 | if((wildcards & OFPFW_NW_SRC_ALL) != 0) |
| 2205 | wildcards |= OFPFW_NW_SRC_MASK; |
| 2206 | |
| 2207 | // normalize 32-63 ipv4 dst 'mask' to a full bitmask |
| 2208 | if((wildcards & OFPFW_NW_DST_ALL) != 0) |
| 2209 | wildcards |= OFPFW_NW_DST_MASK; |
| 2210 | |
| 2211 | // not TCP/UDP/ICMP -> Clear TP wildcards for the wire |
| 2212 | wildcards |= (OFPFW_TP_SRC | OFPFW_TP_DST); |
| 2213 | tcpSrc = TransportPort.NONE; |
| 2214 | tcpDst = TransportPort.NONE; |
| 2215 | } |
| 2216 | } else if (ethType.equals(EthType.ARP)) { |
| 2217 | // normalize 32-63 ipv4 src 'mask' to a full bitmask |
| 2218 | if((wildcards & OFPFW_NW_SRC_ALL) != 0) |
| 2219 | wildcards |= OFPFW_NW_SRC_MASK; |
| 2220 | |
| 2221 | // normalize 32-63 ipv4 dst 'mask' to a full bitmask |
| 2222 | if((wildcards & OFPFW_NW_DST_ALL) != 0) |
| 2223 | wildcards |= OFPFW_NW_DST_MASK; |
| 2224 | |
| 2225 | // ARP: clear NW_TOS / TP wildcards for the wire |
| 2226 | wildcards |= ( OFPFW_NW_TOS | OFPFW_TP_SRC | OFPFW_TP_DST); |
| 2227 | ipDscp = IpDscp.NONE; |
| 2228 | tcpSrc = TransportPort.NONE; |
| 2229 | tcpDst = TransportPort.NONE; |
| 2230 | } else { |
| 2231 | // not even IP. Clear NW/TP wildcards for the wire |
| 2232 | wildcards |= ( OFPFW_NW_TOS | OFPFW_NW_PROTO | OFPFW_NW_SRC_MASK | OFPFW_NW_DST_MASK | OFPFW_TP_SRC | OFPFW_TP_DST); |
| 2233 | ipDscp = IpDscp.NONE; |
| 2234 | ipProto = IpProtocol.NONE; |
| 2235 | ipv4Src = IPv4Address.NONE; |
| 2236 | ipv4Dst = IPv4Address.NONE; |
| 2237 | tcpSrc = TransportPort.NONE; |
| 2238 | tcpDst = TransportPort.NONE; |
| 2239 | } |
| 2240 | OFMatchV1Ver10 matchV1Ver10 = new OFMatchV1Ver10( |
| 2241 | wildcards, |
| 2242 | inPort, |
| 2243 | ethSrc, |
| 2244 | ethDst, |
| 2245 | vlanVid, |
| 2246 | vlanPcp, |
| 2247 | ethType, |
| 2248 | ipDscp, |
| 2249 | ipProto, |
| 2250 | ipv4Src, |
| 2251 | ipv4Dst, |
| 2252 | tcpSrc, |
| 2253 | tcpDst |
| 2254 | ); |
| 2255 | if(logger.isTraceEnabled()) |
| 2256 | logger.trace("readFrom - read={}", matchV1Ver10); |
| 2257 | return matchV1Ver10; |
| 2258 | } |
| 2259 | } |
| 2260 | |
| 2261 | public void putTo(PrimitiveSink sink) { |
| 2262 | FUNNEL.funnel(this, sink); |
| 2263 | } |
| 2264 | |
| 2265 | final static OFMatchV1Ver10Funnel FUNNEL = new OFMatchV1Ver10Funnel(); |
| 2266 | static class OFMatchV1Ver10Funnel implements Funnel<OFMatchV1Ver10> { |
| 2267 | private static final long serialVersionUID = 1L; |
| 2268 | @Override |
| 2269 | public void funnel(OFMatchV1Ver10 message, PrimitiveSink sink) { |
| 2270 | sink.putInt(message.wildcards); |
| 2271 | message.inPort.putTo(sink); |
| 2272 | message.ethSrc.putTo(sink); |
| 2273 | message.ethDst.putTo(sink); |
| 2274 | message.vlanVid.putTo(sink); |
| 2275 | message.vlanPcp.putTo(sink); |
| 2276 | // skip pad (1 bytes) |
| 2277 | message.ethType.putTo(sink); |
| 2278 | message.ipDscp.putTo(sink); |
| 2279 | message.ipProto.putTo(sink); |
| 2280 | // skip pad (2 bytes) |
| 2281 | message.ipv4Src.putTo(sink); |
| 2282 | message.ipv4Dst.putTo(sink); |
| 2283 | message.tcpSrc.putTo(sink); |
| 2284 | message.tcpDst.putTo(sink); |
| 2285 | } |
| 2286 | } |
| 2287 | |
| 2288 | |
| 2289 | public void writeTo(ChannelBuffer bb) { |
| 2290 | WRITER.write(bb, this); |
| 2291 | } |
| 2292 | |
| 2293 | final static Writer WRITER = new Writer(); |
| 2294 | static class Writer implements OFMessageWriter<OFMatchV1Ver10> { |
| 2295 | @Override |
| 2296 | public void write(ChannelBuffer bb, OFMatchV1Ver10 message) { |
| 2297 | bb.writeInt(message.wildcards); |
| 2298 | message.inPort.write2Bytes(bb); |
| 2299 | message.ethSrc.write6Bytes(bb); |
| 2300 | message.ethDst.write6Bytes(bb); |
| 2301 | message.vlanVid.write2BytesOF10(bb); |
| 2302 | message.vlanPcp.writeByte(bb); |
| 2303 | // pad: 1 bytes |
| 2304 | bb.writeZero(1); |
| 2305 | message.ethType.write2Bytes(bb); |
| 2306 | message.ipDscp.writeByte(bb); |
| 2307 | message.ipProto.writeByte(bb); |
| 2308 | // pad: 2 bytes |
| 2309 | bb.writeZero(2); |
| 2310 | message.ipv4Src.write4Bytes(bb); |
| 2311 | message.ipv4Dst.write4Bytes(bb); |
| 2312 | message.tcpSrc.write2Bytes(bb); |
| 2313 | message.tcpDst.write2Bytes(bb); |
| 2314 | |
| 2315 | |
| 2316 | } |
| 2317 | } |
| 2318 | |
| 2319 | @Override |
| 2320 | public String toString() { |
| 2321 | StringBuilder b = new StringBuilder("OFMatchV1Ver10("); |
| 2322 | boolean first = true; |
| 2323 | for(MatchField<?> field : getMatchFields()) { |
| 2324 | if(first) |
| 2325 | first = false; |
| 2326 | else |
| 2327 | b.append(", "); |
| 2328 | String name = field.getName(); |
| 2329 | b.append(name).append('=').append(this.get(field)); |
| 2330 | if(isPartiallyMasked(field)) { |
| 2331 | b.append('/').append(this.getMasked(field).getMask()); |
| 2332 | } |
| 2333 | } |
| 2334 | b.append(")"); |
| 2335 | return b.toString(); |
| 2336 | } |
| 2337 | |
| 2338 | @Override |
| 2339 | public boolean equals(Object obj) { |
| 2340 | if (this == obj) |
| 2341 | return true; |
| 2342 | if (obj == null) |
| 2343 | return false; |
| 2344 | if (getClass() != obj.getClass()) |
| 2345 | return false; |
| 2346 | OFMatchV1Ver10 other = (OFMatchV1Ver10) obj; |
| 2347 | |
| 2348 | if( wildcards != other.wildcards) |
| 2349 | return false; |
| 2350 | if (inPort == null) { |
| 2351 | if (other.inPort != null) |
| 2352 | return false; |
| 2353 | } else if (!inPort.equals(other.inPort)) |
| 2354 | return false; |
| 2355 | if (ethSrc == null) { |
| 2356 | if (other.ethSrc != null) |
| 2357 | return false; |
| 2358 | } else if (!ethSrc.equals(other.ethSrc)) |
| 2359 | return false; |
| 2360 | if (ethDst == null) { |
| 2361 | if (other.ethDst != null) |
| 2362 | return false; |
| 2363 | } else if (!ethDst.equals(other.ethDst)) |
| 2364 | return false; |
| 2365 | if (vlanVid == null) { |
| 2366 | if (other.vlanVid != null) |
| 2367 | return false; |
| 2368 | } else if (!vlanVid.equals(other.vlanVid)) |
| 2369 | return false; |
| 2370 | if (vlanPcp == null) { |
| 2371 | if (other.vlanPcp != null) |
| 2372 | return false; |
| 2373 | } else if (!vlanPcp.equals(other.vlanPcp)) |
| 2374 | return false; |
| 2375 | if (ethType == null) { |
| 2376 | if (other.ethType != null) |
| 2377 | return false; |
| 2378 | } else if (!ethType.equals(other.ethType)) |
| 2379 | return false; |
| 2380 | if (ipDscp == null) { |
| 2381 | if (other.ipDscp != null) |
| 2382 | return false; |
| 2383 | } else if (!ipDscp.equals(other.ipDscp)) |
| 2384 | return false; |
| 2385 | if (ipProto == null) { |
| 2386 | if (other.ipProto != null) |
| 2387 | return false; |
| 2388 | } else if (!ipProto.equals(other.ipProto)) |
| 2389 | return false; |
| 2390 | if (ipv4Src == null) { |
| 2391 | if (other.ipv4Src != null) |
| 2392 | return false; |
| 2393 | } else if (!ipv4Src.equals(other.ipv4Src)) |
| 2394 | return false; |
| 2395 | if (ipv4Dst == null) { |
| 2396 | if (other.ipv4Dst != null) |
| 2397 | return false; |
| 2398 | } else if (!ipv4Dst.equals(other.ipv4Dst)) |
| 2399 | return false; |
| 2400 | if (tcpSrc == null) { |
| 2401 | if (other.tcpSrc != null) |
| 2402 | return false; |
| 2403 | } else if (!tcpSrc.equals(other.tcpSrc)) |
| 2404 | return false; |
| 2405 | if (tcpDst == null) { |
| 2406 | if (other.tcpDst != null) |
| 2407 | return false; |
| 2408 | } else if (!tcpDst.equals(other.tcpDst)) |
| 2409 | return false; |
| 2410 | return true; |
| 2411 | } |
| 2412 | |
| 2413 | @Override |
| 2414 | public int hashCode() { |
| 2415 | final int prime = 31; |
| 2416 | int result = 1; |
| 2417 | |
| 2418 | result = prime * result + wildcards; |
| 2419 | result = prime * result + ((inPort == null) ? 0 : inPort.hashCode()); |
| 2420 | result = prime * result + ((ethSrc == null) ? 0 : ethSrc.hashCode()); |
| 2421 | result = prime * result + ((ethDst == null) ? 0 : ethDst.hashCode()); |
| 2422 | result = prime * result + ((vlanVid == null) ? 0 : vlanVid.hashCode()); |
| 2423 | result = prime * result + ((vlanPcp == null) ? 0 : vlanPcp.hashCode()); |
| 2424 | result = prime * result + ((ethType == null) ? 0 : ethType.hashCode()); |
| 2425 | result = prime * result + ((ipDscp == null) ? 0 : ipDscp.hashCode()); |
| 2426 | result = prime * result + ((ipProto == null) ? 0 : ipProto.hashCode()); |
| 2427 | result = prime * result + ((ipv4Src == null) ? 0 : ipv4Src.hashCode()); |
| 2428 | result = prime * result + ((ipv4Dst == null) ? 0 : ipv4Dst.hashCode()); |
| 2429 | result = prime * result + ((tcpSrc == null) ? 0 : tcpSrc.hashCode()); |
| 2430 | result = prime * result + ((tcpDst == null) ? 0 : tcpDst.hashCode()); |
| 2431 | return result; |
| 2432 | } |
| 2433 | |
| 2434 | } |