Jian Li | 77d6e75 | 2017-01-29 23:24:18 +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.provider.lisp.mapping.util; |
| 17 | |
Jian Li | b8436bb | 2017-02-23 03:39:08 +0900 | [diff] [blame] | 18 | import com.google.common.collect.Lists; |
| 19 | import org.onlab.packet.IpAddress; |
| 20 | import org.onlab.packet.IpPrefix; |
| 21 | import org.onlab.packet.MacAddress; |
Jian Li | 0f0d748 | 2017-03-20 15:16:13 +0900 | [diff] [blame^] | 22 | import org.onosproject.drivers.lisp.extensions.LispGcAddress; |
| 23 | import org.onosproject.drivers.lisp.extensions.LispNatAddress; |
| 24 | import org.onosproject.drivers.lisp.extensions.LispSrcDstAddress; |
| 25 | import org.onosproject.drivers.lisp.extensions.LispAppDataAddress; |
| 26 | import org.onosproject.drivers.lisp.extensions.LispListAddress; |
| 27 | import org.onosproject.drivers.lisp.extensions.LispMulticastAddress; |
| 28 | import org.onosproject.drivers.lisp.extensions.LispNonceAddress; |
| 29 | import org.onosproject.drivers.lisp.extensions.LispSegmentAddress; |
| 30 | import org.onosproject.drivers.lisp.extensions.LispTeAddress; |
Jian Li | b8436bb | 2017-02-23 03:39:08 +0900 | [diff] [blame] | 31 | import org.onosproject.lisp.msg.protocols.LispLocator; |
| 32 | import org.onosproject.lisp.msg.protocols.LispMapRecord; |
| 33 | import org.onosproject.lisp.msg.types.LispAfiAddress; |
| 34 | import org.onosproject.lisp.msg.types.LispAsAddress; |
| 35 | import org.onosproject.lisp.msg.types.LispDistinguishedNameAddress; |
| 36 | import org.onosproject.lisp.msg.types.LispIpv4Address; |
| 37 | import org.onosproject.lisp.msg.types.LispIpv6Address; |
| 38 | import org.onosproject.lisp.msg.types.LispMacAddress; |
Jian Li | 0f0d748 | 2017-03-20 15:16:13 +0900 | [diff] [blame^] | 39 | import org.onosproject.lisp.msg.types.lcaf.LispMulticastLcafAddress; |
| 40 | import org.onosproject.lisp.msg.types.lcaf.LispNonceLcafAddress; |
| 41 | import org.onosproject.lisp.msg.types.lcaf.LispNatLcafAddress; |
| 42 | import org.onosproject.lisp.msg.types.lcaf.LispGeoCoordinateLcafAddress; |
| 43 | import org.onosproject.lisp.msg.types.lcaf.LispAsLcafAddress; |
| 44 | import org.onosproject.lisp.msg.types.lcaf.LispLcafAddress; |
| 45 | import org.onosproject.lisp.msg.types.lcaf.LispSegmentLcafAddress; |
| 46 | import org.onosproject.lisp.msg.types.lcaf.LispAppDataLcafAddress; |
| 47 | import org.onosproject.lisp.msg.types.lcaf.LispListLcafAddress; |
| 48 | import org.onosproject.lisp.msg.types.lcaf.LispSourceDestLcafAddress; |
| 49 | import org.onosproject.lisp.msg.types.lcaf.LispTeLcafAddress; |
Jian Li | b8436bb | 2017-02-23 03:39:08 +0900 | [diff] [blame] | 50 | import org.onosproject.mapping.DefaultMapping; |
| 51 | import org.onosproject.mapping.DefaultMappingEntry; |
| 52 | import org.onosproject.mapping.DefaultMappingKey; |
| 53 | import org.onosproject.mapping.DefaultMappingTreatment; |
| 54 | import org.onosproject.mapping.DefaultMappingValue; |
| 55 | import org.onosproject.mapping.Mapping; |
Jian Li | 77d6e75 | 2017-01-29 23:24:18 +0900 | [diff] [blame] | 56 | import org.onosproject.mapping.MappingEntry; |
Jian Li | b8436bb | 2017-02-23 03:39:08 +0900 | [diff] [blame] | 57 | import org.onosproject.mapping.MappingEntry.MappingEntryState; |
| 58 | import org.onosproject.mapping.MappingKey; |
| 59 | import org.onosproject.mapping.MappingTreatment; |
| 60 | import org.onosproject.mapping.MappingValue; |
| 61 | import org.onosproject.mapping.actions.MappingAction; |
| 62 | import org.onosproject.mapping.actions.MappingActions; |
Jian Li | 0f0d748 | 2017-03-20 15:16:13 +0900 | [diff] [blame^] | 63 | import org.onosproject.mapping.addresses.ExtensionMappingAddress; |
Jian Li | b8436bb | 2017-02-23 03:39:08 +0900 | [diff] [blame] | 64 | import org.onosproject.mapping.addresses.MappingAddress; |
| 65 | import org.onosproject.mapping.addresses.MappingAddresses; |
Jian Li | 77d6e75 | 2017-01-29 23:24:18 +0900 | [diff] [blame] | 66 | import org.onosproject.net.DeviceId; |
| 67 | import org.slf4j.Logger; |
| 68 | import org.slf4j.LoggerFactory; |
| 69 | |
Jian Li | b8436bb | 2017-02-23 03:39:08 +0900 | [diff] [blame] | 70 | import java.util.List; |
| 71 | import java.util.UUID; |
| 72 | |
Jian Li | 77d6e75 | 2017-01-29 23:24:18 +0900 | [diff] [blame] | 73 | /** |
| 74 | * Mapping entry builder class. |
| 75 | */ |
| 76 | public class MappingEntryBuilder { |
Jian Li | b8436bb | 2017-02-23 03:39:08 +0900 | [diff] [blame] | 77 | private static final Logger log = |
| 78 | LoggerFactory.getLogger(MappingEntryBuilder.class); |
| 79 | |
| 80 | private static final int IPV4_PREFIX_LENGTH = 32; |
| 81 | private static final int IPV6_PREFIX_LENGTH = 128; |
Jian Li | 77d6e75 | 2017-01-29 23:24:18 +0900 | [diff] [blame] | 82 | |
| 83 | private final DeviceId deviceId; |
Jian Li | b8436bb | 2017-02-23 03:39:08 +0900 | [diff] [blame] | 84 | |
| 85 | private final MappingAddress address; |
| 86 | private final MappingAction action; |
| 87 | private final List<MappingTreatment> treatments; |
Jian Li | 77d6e75 | 2017-01-29 23:24:18 +0900 | [diff] [blame] | 88 | |
| 89 | /** |
| 90 | * Default constructor for MappingEntryBuilder. |
| 91 | * |
| 92 | * @param deviceId device identifier |
Jian Li | b8436bb | 2017-02-23 03:39:08 +0900 | [diff] [blame] | 93 | * @param record LISP map record |
Jian Li | 77d6e75 | 2017-01-29 23:24:18 +0900 | [diff] [blame] | 94 | */ |
Jian Li | b8436bb | 2017-02-23 03:39:08 +0900 | [diff] [blame] | 95 | public MappingEntryBuilder(DeviceId deviceId, LispMapRecord record) { |
Jian Li | 77d6e75 | 2017-01-29 23:24:18 +0900 | [diff] [blame] | 96 | this.deviceId = deviceId; |
Jian Li | b8436bb | 2017-02-23 03:39:08 +0900 | [diff] [blame] | 97 | this.address = buildAddress(record); |
| 98 | this.action = buildAction(record); |
| 99 | this.treatments = buildTreatments(record); |
Jian Li | 77d6e75 | 2017-01-29 23:24:18 +0900 | [diff] [blame] | 100 | } |
| 101 | |
| 102 | /** |
Jian Li | b8436bb | 2017-02-23 03:39:08 +0900 | [diff] [blame] | 103 | * Builds mapping entry from a specific LISP control message. |
Jian Li | 77d6e75 | 2017-01-29 23:24:18 +0900 | [diff] [blame] | 104 | * |
Jian Li | b8436bb | 2017-02-23 03:39:08 +0900 | [diff] [blame] | 105 | * @return mapping entry |
Jian Li | 77d6e75 | 2017-01-29 23:24:18 +0900 | [diff] [blame] | 106 | */ |
Jian Li | b8436bb | 2017-02-23 03:39:08 +0900 | [diff] [blame] | 107 | public MappingEntry build() { |
| 108 | Mapping.Builder builder; |
| 109 | |
| 110 | // we assign leastSignificantBits of UUID as the mapping identifier for now |
| 111 | // id generation scheme can be changed later |
| 112 | UUID uuid = UUID.randomUUID(); |
| 113 | |
| 114 | builder = DefaultMapping.builder() |
| 115 | .withId(uuid.getLeastSignificantBits()) |
| 116 | .forDevice(deviceId) |
| 117 | .withKey(buildKey()) |
| 118 | .withValue(buildValue()); |
| 119 | |
| 120 | // TODO: we assume that the mapping entry will be always |
| 121 | // stored in routers without failure for now, which means |
| 122 | // the mapping entry state will always be ADDED rather than |
| 123 | // PENDING_ADD |
| 124 | // we will revisit this part when LISP driver is finished |
| 125 | return new DefaultMappingEntry(builder.build(), MappingEntryState.ADDED); |
Jian Li | 77d6e75 | 2017-01-29 23:24:18 +0900 | [diff] [blame] | 126 | } |
| 127 | |
Jian Li | b8436bb | 2017-02-23 03:39:08 +0900 | [diff] [blame] | 128 | /** |
| 129 | * Builds mapping key. |
| 130 | * |
| 131 | * @return mapping key |
| 132 | */ |
| 133 | private MappingKey buildKey() { |
| 134 | |
| 135 | MappingKey.Builder builder = DefaultMappingKey.builder(); |
| 136 | |
| 137 | builder.withAddress(address); |
| 138 | |
| 139 | return builder.build(); |
| 140 | } |
| 141 | |
| 142 | /** |
| 143 | * Builds mapping value. |
| 144 | * |
| 145 | * @return mapping value |
| 146 | */ |
| 147 | private MappingValue buildValue() { |
| 148 | |
| 149 | MappingValue.Builder builder = DefaultMappingValue.builder(); |
| 150 | builder.withAction(action); |
| 151 | |
| 152 | treatments.forEach(builder::add); |
| 153 | |
| 154 | return builder.build(); |
| 155 | } |
| 156 | |
| 157 | /** |
| 158 | * Builds mapping action. |
| 159 | * |
| 160 | * @param record LISP map record |
| 161 | * @return mapping action |
| 162 | */ |
| 163 | private MappingAction buildAction(LispMapRecord record) { |
| 164 | |
| 165 | if (record == null) { |
| 166 | return MappingActions.noAction(); |
| 167 | } |
| 168 | |
| 169 | switch (record.getAction()) { |
| 170 | case NoAction: |
| 171 | return MappingActions.noAction(); |
| 172 | case SendMapRequest: |
| 173 | return MappingActions.forward(); |
| 174 | case NativelyForward: |
| 175 | return MappingActions.nativeForward(); |
| 176 | case Drop: |
| 177 | return MappingActions.drop(); |
| 178 | default: |
| 179 | log.warn("Unsupported action type {}", record.getAction()); |
| 180 | return MappingActions.noAction(); |
| 181 | } |
| 182 | } |
| 183 | |
| 184 | /** |
| 185 | * Builds mapping address. |
| 186 | * |
| 187 | * @param record LISP map record |
| 188 | * @return mapping address |
| 189 | */ |
| 190 | private MappingAddress buildAddress(LispMapRecord record) { |
| 191 | |
| 192 | return record == null ? null : |
Jian Li | 0f0d748 | 2017-03-20 15:16:13 +0900 | [diff] [blame^] | 193 | getAddress(record.getEidPrefixAfi()); |
Jian Li | b8436bb | 2017-02-23 03:39:08 +0900 | [diff] [blame] | 194 | } |
| 195 | |
| 196 | /** |
| 197 | * Converts LispAfiAddress into abstracted mapping address. |
| 198 | * |
| 199 | * @param address LispAfiAddress |
Jian Li | b8436bb | 2017-02-23 03:39:08 +0900 | [diff] [blame] | 200 | * @return abstracted mapping address |
| 201 | */ |
Jian Li | 0f0d748 | 2017-03-20 15:16:13 +0900 | [diff] [blame^] | 202 | private MappingAddress getAddress(LispAfiAddress address) { |
Jian Li | b8436bb | 2017-02-23 03:39:08 +0900 | [diff] [blame] | 203 | |
| 204 | if (address == null) { |
| 205 | log.warn("Address is not specified."); |
| 206 | return null; |
| 207 | } |
| 208 | |
| 209 | switch (address.getAfi()) { |
| 210 | case IP4: |
Jian Li | 0f0d748 | 2017-03-20 15:16:13 +0900 | [diff] [blame^] | 211 | return afi2MappingAddress(address); |
Jian Li | b8436bb | 2017-02-23 03:39:08 +0900 | [diff] [blame] | 212 | case IP6: |
Jian Li | 0f0d748 | 2017-03-20 15:16:13 +0900 | [diff] [blame^] | 213 | return afi2MappingAddress(address); |
Jian Li | b8436bb | 2017-02-23 03:39:08 +0900 | [diff] [blame] | 214 | case AS: |
| 215 | int asNum = ((LispAsAddress) address).getASNum(); |
| 216 | return MappingAddresses.asMappingAddress(String.valueOf(asNum)); |
| 217 | case DISTINGUISHED_NAME: |
| 218 | String dn = ((LispDistinguishedNameAddress) |
| 219 | address).getDistinguishedName(); |
| 220 | return MappingAddresses.dnMappingAddress(dn); |
| 221 | case MAC: |
| 222 | MacAddress macAddress = ((LispMacAddress) address).getAddress(); |
| 223 | return MappingAddresses.ethMappingAddress(macAddress); |
| 224 | case LCAF: |
Jian Li | 0f0d748 | 2017-03-20 15:16:13 +0900 | [diff] [blame^] | 225 | LispLcafAddress lcafAddress = (LispLcafAddress) address; |
| 226 | return lcaf2Extension(lcafAddress); |
Jian Li | b8436bb | 2017-02-23 03:39:08 +0900 | [diff] [blame] | 227 | default: |
| 228 | log.warn("Unsupported address type {}", address.getAfi()); |
| 229 | break; |
| 230 | } |
| 231 | |
Jian Li | 77d6e75 | 2017-01-29 23:24:18 +0900 | [diff] [blame] | 232 | return null; |
| 233 | } |
Jian Li | b8436bb | 2017-02-23 03:39:08 +0900 | [diff] [blame] | 234 | |
| 235 | /** |
Jian Li | 0f0d748 | 2017-03-20 15:16:13 +0900 | [diff] [blame^] | 236 | * Converts LCAF address to extension mapping address. |
| 237 | * |
| 238 | * @param lcaf LCAF address |
| 239 | * @return extension mapping address |
| 240 | */ |
| 241 | private MappingAddress lcaf2Extension(LispLcafAddress lcaf) { |
| 242 | |
| 243 | ExtensionMappingAddress ema; |
| 244 | |
| 245 | switch (lcaf.getType()) { |
| 246 | case LIST: |
| 247 | LispListLcafAddress lcafListAddress = (LispListLcafAddress) lcaf; |
| 248 | MappingAddress ipv4Ma = |
| 249 | afi2MappingAddress(lcafListAddress.getAddresses().get(0)); |
| 250 | MappingAddress ipv6Ma = |
| 251 | afi2MappingAddress(lcafListAddress.getAddresses().get(1)); |
| 252 | |
| 253 | ema = new LispListAddress.Builder() |
| 254 | .withIpv4(ipv4Ma) |
| 255 | .withIpv6(ipv6Ma) |
| 256 | .build(); |
| 257 | return MappingAddresses.extensionMappingAddressWrapper(ema, deviceId); |
| 258 | |
| 259 | case SEGMENT: |
| 260 | LispSegmentLcafAddress segmentLcafAddress = (LispSegmentLcafAddress) lcaf; |
| 261 | |
| 262 | ema = new LispSegmentAddress.Builder() |
| 263 | .withInstanceId(segmentLcafAddress.getInstanceId()) |
| 264 | .withAddress(getAddress(segmentLcafAddress.getAddress())) |
| 265 | .build(); |
| 266 | |
| 267 | return MappingAddresses.extensionMappingAddressWrapper(ema, deviceId); |
| 268 | |
| 269 | case AS: |
| 270 | LispAsLcafAddress asLcafAddress = (LispAsLcafAddress) lcaf; |
| 271 | |
| 272 | ema = new org.onosproject.drivers.lisp.extensions.LispAsAddress.Builder() |
| 273 | .withAsNumber(asLcafAddress.getAsNumber()) |
| 274 | .withAddress(getAddress(asLcafAddress.getAddress())) |
| 275 | .build(); |
| 276 | |
| 277 | return MappingAddresses.extensionMappingAddressWrapper(ema, deviceId); |
| 278 | |
| 279 | case APPLICATION_DATA: |
| 280 | |
| 281 | LispAppDataLcafAddress appLcafAddress = (LispAppDataLcafAddress) lcaf; |
| 282 | |
| 283 | ema = new LispAppDataAddress.Builder() |
| 284 | .withProtocol(appLcafAddress.getProtocol()) |
| 285 | .withIpTos(appLcafAddress.getIpTos()) |
| 286 | .withLocalPortLow(appLcafAddress.getLocalPortLow()) |
| 287 | .withLocalPortHigh(appLcafAddress.getLocalPortHigh()) |
| 288 | .withRemotePortLow(appLcafAddress.getRemotePortLow()) |
| 289 | .withRemotePortHigh(appLcafAddress.getRemotePortHigh()) |
| 290 | .withAddress(getAddress(appLcafAddress.getAddress())) |
| 291 | .build(); |
| 292 | |
| 293 | return MappingAddresses.extensionMappingAddressWrapper(ema, deviceId); |
| 294 | |
| 295 | case GEO_COORDINATE: |
| 296 | |
| 297 | LispGeoCoordinateLcafAddress gcLcafAddress = (LispGeoCoordinateLcafAddress) lcaf; |
| 298 | |
| 299 | ema = new LispGcAddress.Builder() |
| 300 | .withIsNorth(gcLcafAddress.isNorth()) |
| 301 | .withLatitudeDegree(gcLcafAddress.getLatitudeDegree()) |
| 302 | .withLatitudeMinute(gcLcafAddress.getLatitudeMinute()) |
| 303 | .withLatitudeSecond(gcLcafAddress.getLatitudeSecond()) |
| 304 | .withIsEast(gcLcafAddress.isEast()) |
| 305 | .withLongitudeDegree(gcLcafAddress.getLongitudeDegree()) |
| 306 | .withLongitudeMinute(gcLcafAddress.getLongitudeMinute()) |
| 307 | .withLongitudeSecond(gcLcafAddress.getLongitudeSecond()) |
| 308 | .withAltitude(gcLcafAddress.getAltitude()) |
| 309 | .withAddress(getAddress(gcLcafAddress.getAddress())) |
| 310 | .build(); |
| 311 | |
| 312 | return MappingAddresses.extensionMappingAddressWrapper(ema, deviceId); |
| 313 | |
| 314 | case NAT: |
| 315 | |
| 316 | LispNatLcafAddress natLcafAddress = (LispNatLcafAddress) lcaf; |
| 317 | |
| 318 | List<MappingAddress> mas = Lists.newArrayList(); |
| 319 | |
| 320 | natLcafAddress.getRtrRlocAddresses().forEach(rtr -> mas.add(getAddress(rtr))); |
| 321 | |
| 322 | ema = new LispNatAddress.Builder() |
| 323 | .withMsUdpPortNumber(natLcafAddress.getMsUdpPortNumber()) |
| 324 | .withEtrUdpPortNumber(natLcafAddress.getEtrUdpPortNumber()) |
| 325 | .withMsRlocAddress(getAddress(natLcafAddress.getMsRlocAddress())) |
| 326 | .withGlobalEtrRlocAddress(getAddress(natLcafAddress.getGlobalEtrRlocAddress())) |
| 327 | .withPrivateEtrRlocAddress(getAddress(natLcafAddress.getPrivateEtrRlocAddress())) |
| 328 | .withRtrRlocAddresses(mas) |
| 329 | .build(); |
| 330 | |
| 331 | return MappingAddresses.extensionMappingAddressWrapper(ema, deviceId); |
| 332 | |
| 333 | case NONCE: |
| 334 | |
| 335 | LispNonceLcafAddress nonceLcafAddress = (LispNonceLcafAddress) lcaf; |
| 336 | |
| 337 | ema = new LispNonceAddress.Builder() |
| 338 | .withNonce(nonceLcafAddress.getNonce()) |
| 339 | .withAddress(getAddress(nonceLcafAddress.getAddress())) |
| 340 | .build(); |
| 341 | |
| 342 | return MappingAddresses.extensionMappingAddressWrapper(ema, deviceId); |
| 343 | |
| 344 | case MULTICAST: |
| 345 | |
| 346 | LispMulticastLcafAddress multiLcafAddress = (LispMulticastLcafAddress) lcaf; |
| 347 | |
| 348 | ema = new LispMulticastAddress.Builder() |
| 349 | .withInstanceId(multiLcafAddress.getInstanceId()) |
| 350 | .withSrcAddress(getAddress(multiLcafAddress.getSrcAddress())) |
| 351 | .withSrcMaskLength(multiLcafAddress.getSrcMaskLength()) |
| 352 | .withGrpAddress(getAddress(multiLcafAddress.getGrpAddress())) |
| 353 | .withGrpMaskLength(multiLcafAddress.getGrpMaskLength()) |
| 354 | .build(); |
| 355 | |
| 356 | return MappingAddresses.extensionMappingAddressWrapper(ema, deviceId); |
| 357 | |
| 358 | case TRAFFIC_ENGINEERING: |
| 359 | |
| 360 | LispTeLcafAddress teLcafAddress = (LispTeLcafAddress) lcaf; |
| 361 | |
| 362 | List<LispTeAddress.TeRecord> records = Lists.newArrayList(); |
| 363 | |
| 364 | teLcafAddress.getTeRecords().forEach(record -> { |
| 365 | LispTeAddress.TeRecord teRecord = |
| 366 | new LispTeAddress.TeRecord.Builder() |
| 367 | .withIsLookup(record.isLookup()) |
| 368 | .withIsRlocProbe(record.isRlocProbe()) |
| 369 | .withIsStrict(record.isStrict()) |
| 370 | .withRtrRlocAddress(getAddress(record.getRtrRlocAddress())) |
| 371 | .build(); |
| 372 | records.add(teRecord); |
| 373 | }); |
| 374 | |
| 375 | ema = new LispTeAddress.Builder() |
| 376 | .withTeRecords(records) |
| 377 | .build(); |
| 378 | |
| 379 | return MappingAddresses.extensionMappingAddressWrapper(ema, deviceId); |
| 380 | |
| 381 | case SECURITY: |
| 382 | |
| 383 | // TODO: need to implement security type later |
| 384 | log.warn("security type will be implemented later"); |
| 385 | |
| 386 | return null; |
| 387 | |
| 388 | case SOURCE_DEST: |
| 389 | |
| 390 | LispSourceDestLcafAddress srcDstLcafAddress = (LispSourceDestLcafAddress) lcaf; |
| 391 | |
| 392 | |
| 393 | ema = new LispSrcDstAddress.Builder() |
| 394 | .withSrcPrefix(getAddress(srcDstLcafAddress.getSrcPrefix())) |
| 395 | .withSrcMaskLength(srcDstLcafAddress.getSrcMaskLength()) |
| 396 | .withDstPrefix(getAddress(srcDstLcafAddress.getDstPrefix())) |
| 397 | .withDstMaskLength(srcDstLcafAddress.getDstMaskLength()) |
| 398 | .build(); |
| 399 | |
| 400 | return MappingAddresses.extensionMappingAddressWrapper(ema, deviceId); |
| 401 | |
| 402 | case UNSPECIFIED: |
| 403 | case UNKNOWN: |
| 404 | default: |
| 405 | log.error("Unsupported LCAF type {}", lcaf.getType()); |
| 406 | return null; |
| 407 | } |
| 408 | } |
| 409 | |
| 410 | /** |
| 411 | * Converts AFI address to generalized mapping address. |
| 412 | * |
| 413 | * @param afiAddress IP typed AFI address |
| 414 | * @return generalized mapping address |
| 415 | */ |
| 416 | private MappingAddress afi2MappingAddress(LispAfiAddress afiAddress) { |
| 417 | switch (afiAddress.getAfi()) { |
| 418 | case IP4: |
| 419 | IpAddress ipv4Address = ((LispIpv4Address) afiAddress).getAddress(); |
| 420 | IpPrefix ipv4Prefix = IpPrefix.valueOf(ipv4Address, IPV4_PREFIX_LENGTH); |
| 421 | return MappingAddresses.ipv4MappingAddress(ipv4Prefix); |
| 422 | case IP6: |
| 423 | IpAddress ipv6Address = ((LispIpv6Address) afiAddress).getAddress(); |
| 424 | IpPrefix ipv6Prefix = IpPrefix.valueOf(ipv6Address, IPV6_PREFIX_LENGTH); |
| 425 | return MappingAddresses.ipv6MappingAddress(ipv6Prefix); |
| 426 | default: |
| 427 | log.warn("Only support to convert IP address type"); |
| 428 | break; |
| 429 | } |
| 430 | return null; |
| 431 | } |
| 432 | |
| 433 | /** |
Jian Li | b8436bb | 2017-02-23 03:39:08 +0900 | [diff] [blame] | 434 | * Builds a collection of mapping treatments. |
| 435 | * |
| 436 | * @param record LISP map record |
| 437 | * @return a collection of mapping treatments |
| 438 | */ |
| 439 | private List<MappingTreatment> buildTreatments(LispMapRecord record) { |
| 440 | |
| 441 | List<LispLocator> locators = record.getLocators(); |
| 442 | List<MappingTreatment> treatments = Lists.newArrayList(); |
| 443 | for (LispLocator locator : locators) { |
| 444 | MappingTreatment.Builder builder = DefaultMappingTreatment.builder(); |
| 445 | LispAfiAddress address = locator.getLocatorAfi(); |
Jian Li | b8436bb | 2017-02-23 03:39:08 +0900 | [diff] [blame] | 446 | |
Jian Li | 0f0d748 | 2017-03-20 15:16:13 +0900 | [diff] [blame^] | 447 | final MappingAddress mappingAddress = getAddress(address); |
Jian Li | b8436bb | 2017-02-23 03:39:08 +0900 | [diff] [blame] | 448 | if (mappingAddress != null) { |
| 449 | builder.withAddress(mappingAddress); |
| 450 | } |
| 451 | |
| 452 | builder.setUnicastWeight(locator.getWeight()) |
| 453 | .setUnicastPriority(locator.getPriority()) |
| 454 | .setMulticastWeight(locator.getMulticastWeight()) |
| 455 | .setMulticastPriority(locator.getMulticastPriority()); |
| 456 | |
| 457 | // TODO: need to convert specific properties to |
| 458 | // abstracted extension properties |
| 459 | |
| 460 | treatments.add(builder.build()); |
| 461 | } |
| 462 | |
| 463 | return treatments; |
| 464 | } |
Jian Li | 77d6e75 | 2017-01-29 23:24:18 +0900 | [diff] [blame] | 465 | } |