Jian Li | fc90a08 | 2017-03-31 23:36:14 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2017-present Open Networking Laboratory |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onosproject.drivers.lisp.extensions; |
| 17 | |
| 18 | import com.google.common.collect.ImmutableList; |
| 19 | import com.google.common.collect.Lists; |
| 20 | import org.onlab.packet.IpAddress; |
| 21 | import org.onlab.packet.IpPrefix; |
| 22 | import org.onlab.packet.MacAddress; |
| 23 | import org.onosproject.lisp.ctl.ExtensionMappingAddressInterpreter; |
| 24 | import org.onosproject.lisp.msg.types.LispAfiAddress; |
| 25 | import org.onosproject.lisp.msg.types.LispDistinguishedNameAddress; |
| 26 | import org.onosproject.lisp.msg.types.LispIpv4Address; |
| 27 | import org.onosproject.lisp.msg.types.LispIpv6Address; |
| 28 | import org.onosproject.lisp.msg.types.LispMacAddress; |
| 29 | import org.onosproject.lisp.msg.types.lcaf.LispAppDataLcafAddress; |
| 30 | import org.onosproject.lisp.msg.types.lcaf.LispAsLcafAddress; |
| 31 | import org.onosproject.lisp.msg.types.lcaf.LispGeoCoordinateLcafAddress; |
| 32 | import org.onosproject.lisp.msg.types.lcaf.LispLcafAddress; |
| 33 | import org.onosproject.lisp.msg.types.lcaf.LispListLcafAddress; |
| 34 | import org.onosproject.lisp.msg.types.lcaf.LispMulticastLcafAddress; |
| 35 | import org.onosproject.lisp.msg.types.lcaf.LispNatLcafAddress; |
| 36 | import org.onosproject.lisp.msg.types.lcaf.LispNonceLcafAddress; |
| 37 | import org.onosproject.lisp.msg.types.lcaf.LispSegmentLcafAddress; |
| 38 | import org.onosproject.lisp.msg.types.lcaf.LispSourceDestLcafAddress; |
| 39 | import org.onosproject.lisp.msg.types.lcaf.LispTeLcafAddress; |
| 40 | import org.onosproject.lisp.msg.types.lcaf.LispTeRecord; |
| 41 | import org.onosproject.mapping.addresses.ExtensionMappingAddress; |
| 42 | import org.onosproject.mapping.addresses.ExtensionMappingAddressResolver; |
| 43 | import org.onosproject.mapping.addresses.ExtensionMappingAddressType; |
| 44 | import org.onosproject.mapping.addresses.IPMappingAddress; |
| 45 | import org.onosproject.mapping.addresses.MappingAddress; |
| 46 | import org.onosproject.mapping.addresses.MappingAddresses; |
| 47 | import org.onosproject.net.driver.AbstractHandlerBehaviour; |
| 48 | import org.slf4j.Logger; |
| 49 | import org.slf4j.LoggerFactory; |
| 50 | |
| 51 | import java.util.List; |
| 52 | |
| 53 | import static org.onosproject.mapping.addresses.ExtensionMappingAddressType.ExtensionMappingAddressTypes.*; |
| 54 | /** |
| 55 | * Interpreter for mapping address extension. |
| 56 | */ |
| 57 | public class LispExtensionMappingAddressInterpreter extends AbstractHandlerBehaviour |
| 58 | implements ExtensionMappingAddressInterpreter, ExtensionMappingAddressResolver { |
| 59 | |
| 60 | private static final Logger log = LoggerFactory.getLogger( |
| 61 | LispExtensionMappingAddressInterpreter.class); |
| 62 | |
| 63 | private static final int IPV4_PREFIX_LENGTH = 32; |
| 64 | private static final int IPV6_PREFIX_LENGTH = 128; |
| 65 | |
| 66 | @Override |
| 67 | public boolean supported(ExtensionMappingAddressType type) { |
| 68 | |
| 69 | if (type.equals(LIST_ADDRESS.type())) { |
| 70 | return true; |
| 71 | } |
| 72 | if (type.equals(SEGMENT_ADDRESS.type())) { |
| 73 | return true; |
| 74 | } |
| 75 | if (type.equals(AS_ADDRESS.type())) { |
| 76 | return true; |
| 77 | } |
| 78 | if (type.equals(APPLICATION_DATA_ADDRESS.type())) { |
| 79 | return true; |
| 80 | } |
| 81 | if (type.equals(GEO_COORDINATE_ADDRESS.type())) { |
| 82 | return true; |
| 83 | } |
| 84 | if (type.equals(NAT_ADDRESS.type())) { |
| 85 | return true; |
| 86 | } |
| 87 | if (type.equals(NONCE_ADDRESS.type())) { |
| 88 | return true; |
| 89 | } |
| 90 | if (type.equals(MULTICAST_ADDRESS.type())) { |
| 91 | return true; |
| 92 | } |
| 93 | if (type.equals(TRAFFIC_ENGINEERING_ADDRESS.type())) { |
| 94 | return true; |
| 95 | } |
| 96 | if (type.equals(SOURCE_DEST_ADDRESS.type())) { |
| 97 | return true; |
| 98 | } |
| 99 | |
| 100 | return false; |
| 101 | } |
| 102 | |
| 103 | @Override |
| 104 | public LispLcafAddress mapMappingAddress(ExtensionMappingAddress mappingAddress) { |
| 105 | ExtensionMappingAddressType type = mappingAddress.type(); |
| 106 | |
| 107 | if (type.equals(LIST_ADDRESS.type())) { |
| 108 | |
| 109 | LispListAddress listAddress = (LispListAddress) mappingAddress; |
| 110 | LispAfiAddress ipv4 = mapping2afi(listAddress.getIpv4()); |
| 111 | LispAfiAddress ipv6 = mapping2afi(listAddress.getIpv6()); |
| 112 | |
Jian Li | e5aa5df | 2017-04-02 22:40:56 +0900 | [diff] [blame] | 113 | if (ipv4 != null && ipv6 != null) { |
| 114 | return new LispListLcafAddress(ImmutableList.of(ipv4, ipv6)); |
| 115 | } else { |
| 116 | return new LispListLcafAddress(ImmutableList.of()); |
| 117 | } |
Jian Li | fc90a08 | 2017-03-31 23:36:14 +0900 | [diff] [blame] | 118 | } |
| 119 | |
| 120 | if (type.equals(SEGMENT_ADDRESS.type())) { |
| 121 | |
| 122 | LispSegmentAddress segmentAddress = (LispSegmentAddress) mappingAddress; |
| 123 | |
| 124 | return new LispSegmentLcafAddress.SegmentAddressBuilder() |
| 125 | .withInstanceId(segmentAddress.getInstanceId()) |
| 126 | .withAddress(getAfiAddress(segmentAddress.getAddress())) |
| 127 | .build(); |
| 128 | } |
| 129 | |
| 130 | if (type.equals(AS_ADDRESS.type())) { |
| 131 | |
| 132 | LispAsAddress asAddress = (LispAsAddress) mappingAddress; |
| 133 | |
| 134 | return new LispAsLcafAddress.AsAddressBuilder() |
| 135 | .withAsNumber(asAddress.getAsNumber()) |
| 136 | .withAddress(getAfiAddress(asAddress.getAddress())) |
| 137 | .build(); |
| 138 | } |
| 139 | |
| 140 | if (type.equals(APPLICATION_DATA_ADDRESS.type())) { |
| 141 | |
| 142 | LispAppDataAddress appDataAddress = (LispAppDataAddress) mappingAddress; |
| 143 | |
| 144 | return new LispAppDataLcafAddress.AppDataAddressBuilder() |
| 145 | .withProtocol(appDataAddress.getProtocol()) |
| 146 | .withIpTos(appDataAddress.getIpTos()) |
| 147 | .withLocalPortLow(appDataAddress.getLocalPortLow()) |
| 148 | .withLocalPortHigh(appDataAddress.getLocalPortHigh()) |
| 149 | .withRemotePortLow(appDataAddress.getRemotePortLow()) |
| 150 | .withRemotePortHigh(appDataAddress.getRemotePortHigh()) |
| 151 | .withAddress(getAfiAddress(appDataAddress.getAddress())) |
| 152 | .build(); |
| 153 | } |
| 154 | |
| 155 | if (type.equals(GEO_COORDINATE_ADDRESS.type())) { |
| 156 | |
| 157 | LispGcAddress gcAddress = (LispGcAddress) mappingAddress; |
| 158 | |
| 159 | return new LispGeoCoordinateLcafAddress.GeoCoordinateAddressBuilder() |
| 160 | .withIsNorth(gcAddress.isNorth()) |
| 161 | .withLatitudeDegree(gcAddress.getLatitudeDegree()) |
| 162 | .withLatitudeMinute(gcAddress.getLatitudeMinute()) |
| 163 | .withLatitudeSecond(gcAddress.getLatitudeSecond()) |
| 164 | .withIsEast(gcAddress.isEast()) |
| 165 | .withLongitudeDegree(gcAddress.getLongitudeDegree()) |
| 166 | .withLongitudeMinute(gcAddress.getLongitudeMinute()) |
| 167 | .withLongitudeSecond(gcAddress.getLongitudeSecond()) |
| 168 | .withAltitude(gcAddress.getAltitude()) |
| 169 | .withAddress(getAfiAddress(gcAddress.getAddress())) |
| 170 | .build(); |
| 171 | } |
| 172 | |
| 173 | if (type.equals(NAT_ADDRESS.type())) { |
| 174 | |
| 175 | LispNatAddress natAddress = (LispNatAddress) mappingAddress; |
| 176 | |
| 177 | List<LispAfiAddress> aas = Lists.newArrayList(); |
| 178 | |
| 179 | natAddress.getRtrRlocAddresses() |
| 180 | .forEach(rtr -> aas.add(getAfiAddress(rtr))); |
| 181 | |
| 182 | return new LispNatLcafAddress.NatAddressBuilder() |
| 183 | .withMsUdpPortNumber(natAddress.getMsUdpPortNumber()) |
| 184 | .withEtrUdpPortNumber(natAddress.getEtrUdpPortNumber()) |
| 185 | .withMsRlocAddress(getAfiAddress(natAddress.getMsRlocAddress())) |
| 186 | .withGlobalEtrRlocAddress( |
| 187 | getAfiAddress(natAddress.getGlobalEtrRlocAddress())) |
| 188 | .withPrivateEtrRlocAddress( |
| 189 | getAfiAddress(natAddress.getPrivateEtrRlocAddress())) |
| 190 | .withRtrRlocAddresses(aas) |
| 191 | .build(); |
| 192 | } |
| 193 | |
| 194 | if (type.equals(NONCE_ADDRESS.type())) { |
| 195 | |
| 196 | LispNonceAddress nonceAddress = (LispNonceAddress) mappingAddress; |
| 197 | |
| 198 | return new LispNonceLcafAddress.NonceAddressBuilder() |
| 199 | .withNonce(nonceAddress.getNonce()) |
| 200 | .withAddress(getAfiAddress(nonceAddress.getAddress())) |
| 201 | .build(); |
| 202 | } |
| 203 | |
| 204 | if (type.equals(MULTICAST_ADDRESS.type())) { |
| 205 | |
| 206 | LispMulticastAddress multicastAddress = (LispMulticastAddress) mappingAddress; |
| 207 | |
| 208 | return new LispMulticastLcafAddress.MulticastAddressBuilder() |
| 209 | .withInstanceId(multicastAddress.getInstanceId()) |
| 210 | .withSrcAddress(getAfiAddress(multicastAddress.getSrcAddress())) |
| 211 | .withSrcMaskLength(multicastAddress.getSrcMaskLength()) |
| 212 | .withGrpAddress(getAfiAddress(multicastAddress.getGrpAddress())) |
| 213 | .withGrpMaskLength(multicastAddress.getGrpMaskLength()) |
| 214 | .build(); |
| 215 | } |
| 216 | |
| 217 | if (type.equals(TRAFFIC_ENGINEERING_ADDRESS.type())) { |
| 218 | |
| 219 | LispTeAddress teAddress = (LispTeAddress) mappingAddress; |
| 220 | |
| 221 | List<LispTeRecord> records = Lists.newArrayList(); |
| 222 | |
| 223 | teAddress.getTeRecords().forEach(record -> { |
| 224 | LispTeRecord teRecord = |
| 225 | new LispTeRecord.TeRecordBuilder() |
| 226 | .withIsLookup(record.isLookup()) |
| 227 | .withIsRlocProbe(record.isRlocProbe()) |
| 228 | .withIsStrict(record.isStrict()) |
| 229 | .withRtrRlocAddress(getAfiAddress( |
| 230 | record.getAddress())) |
| 231 | .build(); |
| 232 | records.add(teRecord); |
| 233 | }); |
| 234 | |
| 235 | return new LispTeLcafAddress.TeAddressBuilder() |
| 236 | .withTeRecords(records) |
| 237 | .build(); |
| 238 | } |
| 239 | |
| 240 | if (type.equals(SOURCE_DEST_ADDRESS.type())) { |
| 241 | |
| 242 | LispSrcDstAddress srcDstAddress = (LispSrcDstAddress) mappingAddress; |
| 243 | |
| 244 | return new LispSourceDestLcafAddress.SourceDestAddressBuilder() |
| 245 | .withSrcPrefix(getAfiAddress(srcDstAddress.getSrcPrefix())) |
| 246 | .withSrcMaskLength(srcDstAddress.getSrcMaskLength()) |
| 247 | .withDstPrefix(getAfiAddress(srcDstAddress.getDstPrefix())) |
| 248 | .withDstMaskLength(srcDstAddress.getDstMaskLength()) |
| 249 | .build(); |
| 250 | } |
| 251 | |
| 252 | log.error("Unsupported extension mapping address type {}", mappingAddress.type()); |
| 253 | |
| 254 | return null; |
| 255 | } |
| 256 | |
| 257 | @Override |
| 258 | public ExtensionMappingAddress mapLcafAddress(LispLcafAddress lcafAddress) { |
| 259 | |
| 260 | switch (lcafAddress.getType()) { |
| 261 | case LIST: |
| 262 | LispListLcafAddress lcafListAddress = (LispListLcafAddress) lcafAddress; |
| 263 | MappingAddress ipv4Ma = |
| 264 | afi2mapping(lcafListAddress.getAddresses().get(0)); |
| 265 | MappingAddress ipv6Ma = |
| 266 | afi2mapping(lcafListAddress.getAddresses().get(1)); |
| 267 | |
| 268 | return new LispListAddress.Builder() |
| 269 | .withIpv4(ipv4Ma) |
| 270 | .withIpv6(ipv6Ma) |
| 271 | .build(); |
| 272 | |
| 273 | case SEGMENT: |
| 274 | LispSegmentLcafAddress segmentLcafAddress = |
| 275 | (LispSegmentLcafAddress) lcafAddress; |
| 276 | |
| 277 | return new LispSegmentAddress.Builder() |
| 278 | .withInstanceId(segmentLcafAddress.getInstanceId()) |
| 279 | .withAddress(getMappingAddress(segmentLcafAddress.getAddress())) |
| 280 | .build(); |
| 281 | |
| 282 | case AS: |
| 283 | LispAsLcafAddress asLcafAddress = (LispAsLcafAddress) lcafAddress; |
| 284 | |
| 285 | return new org.onosproject.drivers.lisp.extensions.LispAsAddress.Builder() |
| 286 | .withAsNumber(asLcafAddress.getAsNumber()) |
| 287 | .withAddress(getMappingAddress(asLcafAddress.getAddress())) |
| 288 | .build(); |
| 289 | |
| 290 | case APPLICATION_DATA: |
| 291 | |
| 292 | LispAppDataLcafAddress appLcafAddress = (LispAppDataLcafAddress) lcafAddress; |
| 293 | |
| 294 | return new LispAppDataAddress.Builder() |
| 295 | .withProtocol(appLcafAddress.getProtocol()) |
| 296 | .withIpTos(appLcafAddress.getIpTos()) |
| 297 | .withLocalPortLow(appLcafAddress.getLocalPortLow()) |
| 298 | .withLocalPortHigh(appLcafAddress.getLocalPortHigh()) |
| 299 | .withRemotePortLow(appLcafAddress.getRemotePortLow()) |
| 300 | .withRemotePortHigh(appLcafAddress.getRemotePortHigh()) |
| 301 | .withAddress(getMappingAddress(appLcafAddress.getAddress())) |
| 302 | .build(); |
| 303 | |
| 304 | case GEO_COORDINATE: |
| 305 | |
| 306 | LispGeoCoordinateLcafAddress gcLcafAddress = |
| 307 | (LispGeoCoordinateLcafAddress) lcafAddress; |
| 308 | |
| 309 | return new LispGcAddress.Builder() |
| 310 | .withIsNorth(gcLcafAddress.isNorth()) |
| 311 | .withLatitudeDegree(gcLcafAddress.getLatitudeDegree()) |
| 312 | .withLatitudeMinute(gcLcafAddress.getLatitudeMinute()) |
| 313 | .withLatitudeSecond(gcLcafAddress.getLatitudeSecond()) |
| 314 | .withIsEast(gcLcafAddress.isEast()) |
| 315 | .withLongitudeDegree(gcLcafAddress.getLongitudeDegree()) |
| 316 | .withLongitudeMinute(gcLcafAddress.getLongitudeMinute()) |
| 317 | .withLongitudeSecond(gcLcafAddress.getLongitudeSecond()) |
| 318 | .withAltitude(gcLcafAddress.getAltitude()) |
| 319 | .withAddress(getMappingAddress(gcLcafAddress.getAddress())) |
| 320 | .build(); |
| 321 | |
| 322 | case NAT: |
| 323 | |
| 324 | LispNatLcafAddress natLcafAddress = (LispNatLcafAddress) lcafAddress; |
| 325 | |
| 326 | List<MappingAddress> mas = Lists.newArrayList(); |
| 327 | |
| 328 | natLcafAddress.getRtrRlocAddresses() |
| 329 | .forEach(rtr -> mas.add(getMappingAddress(rtr))); |
| 330 | |
| 331 | return new LispNatAddress.Builder() |
| 332 | .withMsUdpPortNumber(natLcafAddress.getMsUdpPortNumber()) |
| 333 | .withEtrUdpPortNumber(natLcafAddress.getEtrUdpPortNumber()) |
| 334 | .withMsRlocAddress(getMappingAddress(natLcafAddress.getMsRlocAddress())) |
| 335 | .withGlobalEtrRlocAddress( |
| 336 | getMappingAddress(natLcafAddress.getGlobalEtrRlocAddress())) |
| 337 | .withPrivateEtrRlocAddress( |
| 338 | getMappingAddress(natLcafAddress.getPrivateEtrRlocAddress())) |
| 339 | .withRtrRlocAddresses(mas) |
| 340 | .build(); |
| 341 | |
| 342 | case NONCE: |
| 343 | |
| 344 | LispNonceLcafAddress nonceLcafAddress = (LispNonceLcafAddress) lcafAddress; |
| 345 | |
| 346 | return new LispNonceAddress.Builder() |
| 347 | .withNonce(nonceLcafAddress.getNonce()) |
| 348 | .withAddress(getMappingAddress(nonceLcafAddress.getAddress())) |
| 349 | .build(); |
| 350 | |
| 351 | case MULTICAST: |
| 352 | |
| 353 | LispMulticastLcafAddress multiLcafAddress = |
| 354 | (LispMulticastLcafAddress) lcafAddress; |
| 355 | |
| 356 | return new LispMulticastAddress.Builder() |
| 357 | .withInstanceId(multiLcafAddress.getInstanceId()) |
| 358 | .withSrcAddress(getMappingAddress(multiLcafAddress.getSrcAddress())) |
| 359 | .withSrcMaskLength(multiLcafAddress.getSrcMaskLength()) |
| 360 | .withGrpAddress(getMappingAddress(multiLcafAddress.getGrpAddress())) |
| 361 | .withGrpMaskLength(multiLcafAddress.getGrpMaskLength()) |
| 362 | .build(); |
| 363 | |
| 364 | case TRAFFIC_ENGINEERING: |
| 365 | |
| 366 | LispTeLcafAddress teLcafAddress = (LispTeLcafAddress) lcafAddress; |
| 367 | |
| 368 | List<LispTeAddress.TeRecord> records = Lists.newArrayList(); |
| 369 | |
| 370 | teLcafAddress.getTeRecords().forEach(record -> { |
| 371 | LispTeAddress.TeRecord teRecord = |
| 372 | new LispTeAddress.TeRecord.Builder() |
| 373 | .withIsLookup(record.isLookup()) |
| 374 | .withIsRlocProbe(record.isRlocProbe()) |
| 375 | .withIsStrict(record.isStrict()) |
| 376 | .withRtrRlocAddress(getMappingAddress( |
| 377 | record.getRtrRlocAddress())) |
| 378 | .build(); |
| 379 | records.add(teRecord); |
| 380 | }); |
| 381 | |
| 382 | return new LispTeAddress.Builder() |
| 383 | .withTeRecords(records) |
| 384 | .build(); |
| 385 | |
| 386 | case SECURITY: |
| 387 | |
| 388 | // TODO: need to implement security type later |
| 389 | log.warn("security type will be implemented later"); |
| 390 | |
| 391 | return null; |
| 392 | |
| 393 | case SOURCE_DEST: |
| 394 | |
| 395 | LispSourceDestLcafAddress srcDstLcafAddress = |
| 396 | (LispSourceDestLcafAddress) lcafAddress; |
| 397 | |
| 398 | |
| 399 | return new LispSrcDstAddress.Builder() |
| 400 | .withSrcPrefix(getMappingAddress(srcDstLcafAddress.getSrcPrefix())) |
| 401 | .withSrcMaskLength(srcDstLcafAddress.getSrcMaskLength()) |
| 402 | .withDstPrefix(getMappingAddress(srcDstLcafAddress.getDstPrefix())) |
| 403 | .withDstMaskLength(srcDstLcafAddress.getDstMaskLength()) |
| 404 | .build(); |
| 405 | |
| 406 | case UNSPECIFIED: |
| 407 | case UNKNOWN: |
| 408 | default: |
| 409 | log.error("Unsupported LCAF type {}", lcafAddress.getType()); |
| 410 | return null; |
| 411 | } |
| 412 | } |
| 413 | |
| 414 | @Override |
| 415 | public ExtensionMappingAddress getExtensionMappingAddress( |
| 416 | ExtensionMappingAddressType type) { |
| 417 | |
| 418 | if (type.equals(LIST_ADDRESS.type())) { |
| 419 | return new LispListAddress(); |
| 420 | } |
| 421 | if (type.equals(SEGMENT_ADDRESS.type())) { |
| 422 | return new LispSegmentAddress(); |
| 423 | } |
| 424 | if (type.equals(AS_ADDRESS.type())) { |
| 425 | return new LispAsAddress(); |
| 426 | } |
| 427 | if (type.equals(APPLICATION_DATA_ADDRESS.type())) { |
| 428 | return new LispAppDataAddress(); |
| 429 | } |
| 430 | if (type.equals(GEO_COORDINATE_ADDRESS.type())) { |
| 431 | return new LispGcAddress(); |
| 432 | } |
| 433 | if (type.equals(NAT_ADDRESS.type())) { |
| 434 | return new LispNatAddress(); |
| 435 | } |
| 436 | if (type.equals(NONCE_ADDRESS.type())) { |
| 437 | return new LispNonceAddress(); |
| 438 | } |
| 439 | if (type.equals(MULTICAST_ADDRESS.type())) { |
| 440 | return new LispMulticastAddress(); |
| 441 | } |
| 442 | if (type.equals(TRAFFIC_ENGINEERING_ADDRESS.type())) { |
| 443 | return new LispTeAddress(); |
| 444 | } |
| 445 | if (type.equals(SOURCE_DEST_ADDRESS.type())) { |
| 446 | return new LispSrcDstAddress(); |
| 447 | } |
| 448 | |
| 449 | return null; |
| 450 | } |
| 451 | |
| 452 | /** |
| 453 | * Converts AFI address to generalized mapping address. |
| 454 | * |
| 455 | * @param afi IP typed AFI address |
| 456 | * @return generalized mapping address |
| 457 | */ |
| 458 | private MappingAddress afi2mapping(LispAfiAddress afi) { |
| 459 | switch (afi.getAfi()) { |
| 460 | case IP4: |
| 461 | IpAddress ipv4Address = ((LispIpv4Address) afi).getAddress(); |
| 462 | IpPrefix ipv4Prefix = IpPrefix.valueOf(ipv4Address, IPV4_PREFIX_LENGTH); |
| 463 | return MappingAddresses.ipv4MappingAddress(ipv4Prefix); |
| 464 | case IP6: |
| 465 | IpAddress ipv6Address = ((LispIpv6Address) afi).getAddress(); |
| 466 | IpPrefix ipv6Prefix = IpPrefix.valueOf(ipv6Address, IPV6_PREFIX_LENGTH); |
| 467 | return MappingAddresses.ipv6MappingAddress(ipv6Prefix); |
| 468 | default: |
| 469 | log.warn("Only support to convert IP address type"); |
| 470 | break; |
| 471 | } |
| 472 | return null; |
| 473 | } |
| 474 | |
| 475 | /** |
| 476 | * Converts mapping address to AFI address. |
| 477 | * |
| 478 | * @param address generalized mapping address |
| 479 | * @return IP typed AFI address |
| 480 | */ |
| 481 | private LispAfiAddress mapping2afi(MappingAddress address) { |
| 482 | switch (address.type()) { |
| 483 | case IPV4: |
| 484 | IpPrefix ipv4Prefix = ((IPMappingAddress) address).ip(); |
| 485 | return new LispIpv4Address(ipv4Prefix.address()); |
| 486 | case IPV6: |
| 487 | IpPrefix ipv6Prefix = ((IPMappingAddress) address).ip(); |
| 488 | return new LispIpv6Address(ipv6Prefix.address()); |
| 489 | default: |
| 490 | log.warn("Only support to convert IP address type"); |
| 491 | break; |
| 492 | } |
| 493 | return null; |
| 494 | } |
| 495 | |
| 496 | /** |
| 497 | * Converts LispAfiAddress into abstracted mapping address. |
| 498 | * |
| 499 | * @param address LispAfiAddress |
| 500 | * @return abstracted mapping address |
| 501 | */ |
| 502 | private MappingAddress getMappingAddress(LispAfiAddress address) { |
| 503 | |
| 504 | if (address == null) { |
| 505 | log.warn("Address is not specified."); |
| 506 | return null; |
| 507 | } |
| 508 | |
| 509 | switch (address.getAfi()) { |
| 510 | case IP4: |
| 511 | return afi2mapping(address); |
| 512 | case IP6: |
| 513 | return afi2mapping(address); |
| 514 | case AS: |
| 515 | int asNum = ((org.onosproject.lisp.msg.types.LispAsAddress) address).getASNum(); |
| 516 | return MappingAddresses.asMappingAddress(String.valueOf(asNum)); |
| 517 | case DISTINGUISHED_NAME: |
| 518 | String dn = ((LispDistinguishedNameAddress) |
| 519 | address).getDistinguishedName(); |
| 520 | return MappingAddresses.dnMappingAddress(dn); |
| 521 | case MAC: |
| 522 | MacAddress macAddress = ((LispMacAddress) address).getAddress(); |
| 523 | return MappingAddresses.ethMappingAddress(macAddress); |
| 524 | case LCAF: |
| 525 | LispLcafAddress lcafAddress = (LispLcafAddress) address; |
| 526 | return MappingAddresses.extensionMappingAddressWrapper(mapLcafAddress(lcafAddress)); |
| 527 | default: |
| 528 | log.warn("Unsupported address AFI type {}", address.getAfi()); |
| 529 | break; |
| 530 | } |
| 531 | |
| 532 | return null; |
| 533 | } |
| 534 | |
| 535 | /** |
| 536 | * Converts mapping address into afi address. |
| 537 | * |
| 538 | * @param address mapping address |
| 539 | * @return afi address |
| 540 | */ |
| 541 | private LispAfiAddress getAfiAddress(MappingAddress address) { |
| 542 | |
| 543 | if (address == null) { |
| 544 | log.warn("Address is not specified."); |
| 545 | return null; |
| 546 | } |
| 547 | |
| 548 | switch (address.type()) { |
| 549 | case IPV4: |
| 550 | return mapping2afi(address); |
| 551 | case IPV6: |
| 552 | return mapping2afi(address); |
| 553 | case AS: |
| 554 | int asNum = ((org.onosproject.lisp.msg.types.LispAsAddress) address).getASNum(); |
| 555 | return new org.onosproject.lisp.msg.types.LispAsAddress(asNum); |
| 556 | case DN: |
| 557 | String dn = ((LispDistinguishedNameAddress) address).getDistinguishedName(); |
| 558 | return new LispDistinguishedNameAddress(dn); |
| 559 | case ETH: |
| 560 | MacAddress macAddress = ((LispMacAddress) address).getAddress(); |
| 561 | return new LispMacAddress(macAddress); |
| 562 | case EXTENSION: |
| 563 | ExtensionMappingAddress extAddress = (ExtensionMappingAddress) address; |
| 564 | return mapMappingAddress(extAddress); |
| 565 | default: |
| 566 | log.warn("Unsupported address type {}", address.type()); |
| 567 | break; |
| 568 | } |
| 569 | |
| 570 | return null; |
| 571 | } |
| 572 | } |