sunish vk | 7bdf4d4 | 2016-06-24 12:29:43 +0530 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2016 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.isis.controller.impl.topology; |
| 17 | |
| 18 | import org.onlab.util.Bandwidth; |
| 19 | import org.onosproject.isis.controller.topology.DeviceInformation; |
| 20 | import org.onosproject.isis.controller.topology.IsisRouter; |
| 21 | import org.onosproject.isis.controller.topology.LinkInformation; |
| 22 | import org.onosproject.isis.controller.topology.TopologyForDeviceAndLink; |
| 23 | import org.onosproject.isis.controller.topology.IsisLinkTed; |
| 24 | import org.onosproject.isis.io.isispacket.pdu.LsPdu; |
| 25 | import org.onosproject.isis.io.isispacket.tlv.IsExtendedReachability; |
| 26 | import org.onosproject.isis.io.isispacket.tlv.IsisTlv; |
| 27 | import org.onosproject.isis.io.isispacket.tlv.NeighborForExtendedIs; |
| 28 | |
| 29 | import org.onosproject.isis.io.isispacket.tlv.subtlv.TrafficEngineeringSubTlv; |
| 30 | import org.onosproject.isis.io.isispacket.tlv.subtlv.InterfaceIpAddress; |
| 31 | import org.onosproject.isis.io.isispacket.tlv.subtlv.NeighborIpAddress; |
| 32 | import org.onosproject.isis.io.isispacket.tlv.subtlv.AdministrativeGroup; |
| 33 | import org.onosproject.isis.io.isispacket.tlv.subtlv.TrafficEngineeringMetric; |
| 34 | import org.onosproject.isis.io.isispacket.tlv.subtlv.UnreservedBandwidth; |
| 35 | import org.onosproject.isis.io.isispacket.tlv.subtlv.MaximumReservableBandwidth; |
| 36 | import org.onosproject.isis.io.isispacket.tlv.subtlv.MaximumBandwidth; |
| 37 | import org.onosproject.isis.io.util.IsisConstants; |
| 38 | import org.onosproject.isis.io.util.IsisUtil; |
| 39 | import org.slf4j.Logger; |
| 40 | import org.slf4j.LoggerFactory; |
| 41 | |
| 42 | import java.util.ArrayList; |
| 43 | import java.util.LinkedHashMap; |
| 44 | import java.util.List; |
| 45 | import java.util.Map; |
| 46 | |
| 47 | /** |
| 48 | * Represents device and link topology information. |
| 49 | */ |
| 50 | public class TopologyForDeviceAndLinkImpl implements TopologyForDeviceAndLink { |
| 51 | |
| 52 | private static final Logger log = LoggerFactory.getLogger(TopologyForDeviceAndLinkImpl.class); |
| 53 | private Map<String, DeviceInformation> deviceInformationMap = new LinkedHashMap<>(); |
| 54 | private Map<String, IsisRouter> isisRouterDetails = new LinkedHashMap<>(); |
| 55 | private Map<String, DeviceInformation> deviceInformationMapForPointToPoint = new LinkedHashMap<>(); |
| 56 | private Map<String, DeviceInformation> deviceInformationMapToDelete = new LinkedHashMap<>(); |
| 57 | private Map<String, LinkInformation> addedLinkInformationMap = new LinkedHashMap<>(); |
| 58 | |
| 59 | /** |
| 60 | * Gets device information. |
| 61 | * |
| 62 | * @return device information |
| 63 | */ |
| 64 | public Map<String, DeviceInformation> deviceInformationMap() { |
| 65 | return deviceInformationMap; |
| 66 | } |
| 67 | |
| 68 | /** |
| 69 | * Gets ISIS router list information. |
| 70 | * |
| 71 | * @return router information |
| 72 | */ |
| 73 | public Map<String, IsisRouter> isisDeviceList() { |
| 74 | return isisRouterDetails; |
| 75 | } |
| 76 | |
| 77 | /** |
| 78 | * Sets device information. |
| 79 | * |
| 80 | * @param key key used to add in map |
| 81 | * @param deviceInformationMap device information instance |
| 82 | */ |
| 83 | public void setDeviceInformationMap(String key, DeviceInformation deviceInformationMap) { |
| 84 | if (deviceInformationMap != null) { |
| 85 | this.deviceInformationMap.put(key, deviceInformationMap); |
| 86 | } |
| 87 | |
| 88 | } |
| 89 | |
| 90 | /** |
| 91 | * Gets deviceInformation as map for Point-To-Point. |
| 92 | * |
| 93 | * @return deviceInformationMap |
| 94 | */ |
| 95 | public Map<String, DeviceInformation> deviceInformationMapForPointToPoint() { |
| 96 | return deviceInformationMapForPointToPoint; |
| 97 | } |
| 98 | |
| 99 | /** |
| 100 | * Sets deviceInformation as map for Point-To-Point.. |
| 101 | * |
| 102 | * @param key key used to add in map |
| 103 | * @param deviceInformationMap device information instance |
| 104 | */ |
| 105 | public void setDeviceInformationMapForPointToPoint(String key, DeviceInformation deviceInformationMap) { |
| 106 | if (deviceInformationMap != null) { |
| 107 | this.deviceInformationMapForPointToPoint.put(key, deviceInformationMap); |
| 108 | } |
| 109 | |
| 110 | } |
| 111 | |
| 112 | /** |
| 113 | * Gets deviceInformation as map. |
| 114 | * |
| 115 | * @return deviceInformationMap to delete from core |
| 116 | */ |
| 117 | public Map<String, DeviceInformation> deviceInformationMapToDelete() { |
| 118 | return deviceInformationMapToDelete; |
| 119 | } |
| 120 | |
| 121 | /** |
| 122 | * Sets device information for removal. |
| 123 | * |
| 124 | * @param key ket used to add in map |
| 125 | * @param deviceInformationMapToDelete map from device information to remove |
| 126 | */ |
| 127 | public void setDeviceInformationMapToDelete(String key, DeviceInformation deviceInformationMapToDelete) { |
| 128 | if (deviceInformationMapToDelete != null) { |
| 129 | this.deviceInformationMapToDelete.put(key, deviceInformationMapToDelete); |
| 130 | } |
| 131 | } |
| 132 | |
| 133 | /** |
| 134 | * Removes Device Information. |
| 135 | * |
| 136 | * @param key ket used to remove from map |
| 137 | */ |
| 138 | public void removeDeviceInformationMapFromDeleteMap(String key) { |
| 139 | removeDeviceInformationMap(key); |
| 140 | if (this.deviceInformationMapToDelete.containsKey(key)) { |
| 141 | this.deviceInformationMapToDelete.remove(key); |
| 142 | } |
| 143 | } |
| 144 | |
| 145 | /** |
| 146 | * Gets Device Information. |
| 147 | * |
| 148 | * @param key system id as key to store in map |
| 149 | * @return Device Information |
| 150 | */ |
| 151 | public DeviceInformation deviceInformation(String key) { |
| 152 | DeviceInformation deviceInformation = this.deviceInformationMap.get(key); |
| 153 | return deviceInformation; |
| 154 | } |
| 155 | |
| 156 | /** |
| 157 | * Removes Device Information from map. |
| 158 | * |
| 159 | * @param key key used to remove from map |
| 160 | */ |
| 161 | public void removeDeviceInformationMap(String key) { |
| 162 | if (this.deviceInformationMap.containsKey(key)) { |
| 163 | this.deviceInformationMap.remove(key); |
| 164 | } |
| 165 | } |
| 166 | |
| 167 | @Override |
| 168 | public void removeLinks(String linkId) { |
| 169 | this.addedLinkInformationMap.remove(linkId); |
| 170 | } |
| 171 | |
| 172 | /** |
| 173 | * Gets link information as map. |
| 174 | * |
| 175 | * @return link information as map |
| 176 | */ |
| 177 | public Map<String, LinkInformation> linkInformationMap() { |
| 178 | return addedLinkInformationMap; |
| 179 | } |
| 180 | |
| 181 | private LinkInformation getLinkInformation(String key) { |
| 182 | LinkInformation linkInformation = this.addedLinkInformationMap.get(key); |
| 183 | return linkInformation; |
| 184 | } |
| 185 | |
| 186 | /** |
| 187 | * Sets link information in map. |
| 188 | * |
| 189 | * @param key key used to add in map |
| 190 | * @param linkInformationMap link information instance |
| 191 | */ |
| 192 | public void setLinkInformationMap(String key, LinkInformation linkInformationMap) { |
| 193 | if (!this.addedLinkInformationMap.containsKey(key)) { |
| 194 | this.addedLinkInformationMap.put(key, linkInformationMap); |
| 195 | } |
| 196 | } |
| 197 | |
| 198 | /** |
| 199 | * Gets linkInformation as map for PointToPoint. |
| 200 | * |
| 201 | * @return linkInformationMap |
| 202 | */ |
| 203 | public Map<String, LinkInformation> linkInformationMapForPointToPoint() { |
| 204 | return addedLinkInformationMap; |
| 205 | } |
| 206 | |
| 207 | /** |
| 208 | * Sets linkInformation as map for PointToPoint. |
| 209 | * |
| 210 | * @param key key used to add in map |
| 211 | * @param linkInformationMap link information instance |
| 212 | */ |
| 213 | public void setLinkInformationMapForPointToPoint(String key, LinkInformation linkInformationMap) { |
| 214 | if (!this.addedLinkInformationMap.containsKey(key)) { |
| 215 | this.addedLinkInformationMap.put(key, linkInformationMap); |
| 216 | } |
| 217 | } |
| 218 | |
| 219 | /** |
| 220 | * Removes Link Information from linkInformationMap. |
| 221 | * |
| 222 | * @param key key used to remove in map |
| 223 | */ |
| 224 | public void removeLinkInformationMap(String key) { |
| 225 | if (this.addedLinkInformationMap.containsKey(key)) { |
| 226 | this.addedLinkInformationMap.remove(key); |
| 227 | } |
| 228 | } |
| 229 | |
| 230 | /** |
| 231 | * Returns the ISIS router instance. |
| 232 | * |
| 233 | * @param systemId system ID to get router details |
| 234 | * @return ISIS router instance |
| 235 | */ |
| 236 | public IsisRouter isisRouter(String systemId) { |
| 237 | String routerId = IsisUtil.removeTailingZeros(systemId); |
| 238 | IsisRouter isisRouter = isisRouterDetails.get(routerId); |
| 239 | if (isisRouter != null) { |
| 240 | return isisRouter; |
| 241 | } else { |
| 242 | log.debug("IsisRouter is not available"); |
| 243 | IsisRouter isisRouterCheck = new DefaultIsisRouter(); |
| 244 | isisRouterCheck.setSystemId(routerId); |
| 245 | return isisRouterCheck; |
| 246 | } |
| 247 | } |
| 248 | |
| 249 | /** |
| 250 | * Removes the ISIS router instance from map. |
| 251 | * |
| 252 | * @param systemId system ID to remove router details |
| 253 | */ |
| 254 | public void removeRouter(String systemId) { |
| 255 | String routerId = IsisUtil.removeTailingZeros(systemId); |
| 256 | isisRouterDetails.remove(systemId); |
| 257 | } |
| 258 | |
| 259 | /** |
| 260 | * Creates Device instance. |
| 261 | * |
| 262 | * @param lsPdu ISIS LSPDU instance |
| 263 | * @return isisRouter isisRouter instance |
| 264 | */ |
| 265 | public IsisRouter createDeviceInfo(LsPdu lsPdu) { |
| 266 | IsisRouter isisRouter = createIsisRouter(lsPdu); |
| 267 | |
| 268 | if (isisRouter.systemId() != null) { |
| 269 | if (isisRouter.interfaceId() == null && isisRouter.neighborRouterId() == null) { |
| 270 | isisRouter.setInterfaceId(IsisConstants.DEFAULTIP); |
| 271 | isisRouter.setNeighborRouterId(IsisConstants.DEFAULTIP); |
| 272 | isisRouterDetails.put(isisRouter.systemId(), isisRouter); |
| 273 | } |
| 274 | } |
| 275 | return isisRouter; |
| 276 | }/* |
| 277 | |
| 278 | *//** |
| 279 | * Removes Device and Link instance. |
| 280 | * |
| 281 | * @param lsPdu ISIS LSPDU instance |
| 282 | * @return isisRouter isisRouter instance |
| 283 | *//* |
| 284 | public IsisRouter removeDeviceAndLinkInfo(LsPdu lsPdu) { |
| 285 | IsisRouter isisRouter = createIsisRouter(lsPdu); |
| 286 | return isisRouter; |
| 287 | }*/ |
| 288 | |
| 289 | /** |
| 290 | * Creates link information. |
| 291 | * |
| 292 | * @param lsPdu ls pdu instance |
| 293 | * @param ownSystemId system ID |
| 294 | * @return link information |
| 295 | */ |
| 296 | public Map<String, LinkInformation> createLinkInfo(LsPdu lsPdu, String ownSystemId) { |
| 297 | for (IsisTlv isisTlv : lsPdu.tlvs()) { |
| 298 | if (isisTlv instanceof IsExtendedReachability) { |
| 299 | IsExtendedReachability isExtendedReachability = (IsExtendedReachability) isisTlv; |
| 300 | List<NeighborForExtendedIs> neighborForExtendedIsList = isExtendedReachability.neighbours(); |
| 301 | for (NeighborForExtendedIs neighbor : neighborForExtendedIsList) { |
| 302 | String neighbourId = neighbor.neighborId(); |
| 303 | String routerId = IsisUtil.removeTailingZeros(lsPdu.lspId()); |
| 304 | if (!(neighbourId.equals(ownSystemId))) { |
| 305 | IsisRouter isisRouter = isisRouterDetails.get(neighbourId); |
| 306 | if (isisRouter != null) { |
| 307 | String linkId = "link:" + routerId + "-" + neighbourId; |
| 308 | addedLinkInformationMap.put(linkId, createLinkInformation(lsPdu, linkId, |
| 309 | routerId, neighbourId)); |
| 310 | } else { |
| 311 | createIsisRouterDummy(neighbourId); |
| 312 | String linkId = "link:" + routerId + "-" + neighbourId; |
| 313 | LinkInformation linkInformation = createLinkInformation(lsPdu, linkId, |
| 314 | routerId, neighbourId); |
| 315 | linkInformation.setAlreadyCreated(true); |
| 316 | addedLinkInformationMap.put(linkId, linkInformation); |
| 317 | } |
| 318 | } |
| 319 | |
| 320 | } |
| 321 | } |
| 322 | } |
| 323 | return addedLinkInformationMap; |
| 324 | } |
| 325 | |
| 326 | /** |
| 327 | * Removes link information. |
| 328 | * |
| 329 | * @param systemId system ID to remove link information |
| 330 | * @return updated link information |
| 331 | */ |
| 332 | public Map<String, LinkInformation> removeLinkInfo(String systemId) { |
| 333 | String routerId = IsisUtil.removeTailingZeros(systemId); |
| 334 | Map<String, LinkInformation> removeLinkInformationMap = new LinkedHashMap<>(); |
| 335 | for (String key : addedLinkInformationMap.keySet()) { |
| 336 | if (key.contains(routerId)) { |
| 337 | removeLinkInformationMap.put(key, addedLinkInformationMap.get(key)); |
| 338 | } |
| 339 | } |
| 340 | return removeLinkInformationMap; |
| 341 | } |
| 342 | |
| 343 | /** |
| 344 | * Creates link information. |
| 345 | * |
| 346 | * @param lsPdu link state pdu |
| 347 | * @param linkId link id |
| 348 | * @param localRouter local router system id |
| 349 | * @param neighborId destination router system id |
| 350 | * @return linkInformation instance |
| 351 | */ |
| 352 | private LinkInformation createLinkInformation(LsPdu lsPdu, String linkId, String localRouter, String neighborId) { |
| 353 | LinkInformation linkInformation = new DefaultIsisLinkInformation(); |
| 354 | IsisRouter isisRouter = isisRouterDetails.get(neighborId); |
| 355 | for (IsisTlv isisTlv : lsPdu.tlvs()) { |
| 356 | if (isisTlv instanceof IsExtendedReachability) { |
| 357 | IsExtendedReachability isExtendedReachability = (IsExtendedReachability) isisTlv; |
| 358 | List<NeighborForExtendedIs> neighbours = isExtendedReachability.neighbours(); |
| 359 | for (NeighborForExtendedIs teTlv : neighbours) { |
| 360 | List<TrafficEngineeringSubTlv> teSubTlvs = teTlv.teSubTlv(); |
| 361 | for (TrafficEngineeringSubTlv teSubTlv : teSubTlvs) { |
| 362 | if (teSubTlv instanceof InterfaceIpAddress) { |
| 363 | InterfaceIpAddress localIpAddress = (InterfaceIpAddress) teSubTlv; |
| 364 | linkInformation.setInterfaceIp(localIpAddress.localInterfaceIPAddress()); |
| 365 | } else if (teSubTlv instanceof NeighborIpAddress) { |
| 366 | NeighborIpAddress neighborIpAddress = (NeighborIpAddress) teSubTlv; |
| 367 | linkInformation.setNeighborIp(neighborIpAddress.neighborIPAddress()); |
| 368 | } |
| 369 | |
| 370 | } |
| 371 | } |
| 372 | } |
| 373 | } |
| 374 | linkInformation.setLinkId(linkId); |
| 375 | linkInformation.setAlreadyCreated(false); |
| 376 | linkInformation.setLinkDestinationId(neighborId); |
| 377 | linkInformation.setLinkSourceId(localRouter); |
| 378 | return linkInformation; |
| 379 | } |
| 380 | |
| 381 | /** |
| 382 | * Creates ISIS router instance. |
| 383 | * |
| 384 | * @param lsPdu lsp instance |
| 385 | * @return isisRouter instance |
| 386 | */ |
| 387 | private IsisRouter createIsisRouter(LsPdu lsPdu) { |
| 388 | IsisRouter isisRouter = new DefaultIsisRouter(); |
| 389 | if (IsisUtil.checkIsDis(lsPdu.lspId())) { |
| 390 | isisRouter.setDis(true); |
| 391 | } else { |
| 392 | isisRouter.setDis(false); |
| 393 | } |
| 394 | isisRouter.setSystemId(IsisUtil.removeTailingZeros(lsPdu.lspId())); |
| 395 | for (IsisTlv isisTlv : lsPdu.tlvs()) { |
| 396 | if (isisTlv instanceof IsExtendedReachability) { |
| 397 | IsExtendedReachability isExtendedReachability = (IsExtendedReachability) isisTlv; |
| 398 | List<NeighborForExtendedIs> neighbours = isExtendedReachability.neighbours(); |
| 399 | for (NeighborForExtendedIs teTlv : neighbours) { |
| 400 | List<TrafficEngineeringSubTlv> teSubTlvs = teTlv.teSubTlv(); |
| 401 | for (TrafficEngineeringSubTlv teSubTlv : teSubTlvs) { |
| 402 | if (teSubTlv instanceof InterfaceIpAddress) { |
| 403 | InterfaceIpAddress localIpAddress = (InterfaceIpAddress) teSubTlv; |
| 404 | isisRouter.setInterfaceId(localIpAddress.localInterfaceIPAddress()); |
| 405 | } else if (teSubTlv instanceof NeighborIpAddress) { |
| 406 | NeighborIpAddress neighborIpAddress = (NeighborIpAddress) teSubTlv; |
| 407 | isisRouter.setNeighborRouterId(neighborIpAddress.neighborIPAddress()); |
| 408 | } |
| 409 | |
| 410 | } |
| 411 | } |
| 412 | } |
| 413 | } |
| 414 | return isisRouter; |
| 415 | } |
| 416 | |
| 417 | /** |
| 418 | * Creates ISIS router instance. |
| 419 | * |
| 420 | * @param systemId system ID |
| 421 | * @return isisRouter instance |
| 422 | */ |
| 423 | private IsisRouter createIsisRouterDummy(String systemId) { |
| 424 | IsisRouter isisRouter = new DefaultIsisRouter(); |
| 425 | isisRouter.setSystemId(systemId); |
| 426 | isisRouter.setDis(false); |
| 427 | isisRouter.setInterfaceId(IsisConstants.DEFAULTIP); |
| 428 | isisRouter.setNeighborRouterId(IsisConstants.DEFAULTIP); |
| 429 | |
| 430 | return isisRouter; |
| 431 | } |
| 432 | |
| 433 | /** |
| 434 | * Creates the ISIS link TED information. |
| 435 | * |
| 436 | * @param lsPdu link state PDU |
| 437 | * @return isisLinkTed |
| 438 | */ |
| 439 | public IsisLinkTed createIsisLinkTedInfo(LsPdu lsPdu) { |
| 440 | IsisLinkTed isisLinkTed = new DefaultIsisLinkTed(); |
| 441 | for (IsisTlv isisTlv : lsPdu.tlvs()) { |
| 442 | if (isisTlv instanceof IsExtendedReachability) { |
| 443 | IsExtendedReachability isExtendedReachability = (IsExtendedReachability) isisTlv; |
| 444 | List<NeighborForExtendedIs> neighbours = isExtendedReachability.neighbours(); |
| 445 | for (NeighborForExtendedIs teTlv : neighbours) { |
| 446 | List<TrafficEngineeringSubTlv> teSubTlvs = teTlv.teSubTlv(); |
| 447 | for (TrafficEngineeringSubTlv teSubTlv : teSubTlvs) { |
| 448 | if (teSubTlv instanceof AdministrativeGroup) { |
| 449 | AdministrativeGroup ag = (AdministrativeGroup) teSubTlv; |
| 450 | isisLinkTed.setAdministrativeGroup(ag.administrativeGroup()); |
| 451 | } |
| 452 | if (teSubTlv instanceof InterfaceIpAddress) { |
| 453 | InterfaceIpAddress localIpAddress = (InterfaceIpAddress) teSubTlv; |
| 454 | isisLinkTed.setIpv4InterfaceAddress(localIpAddress.localInterfaceIPAddress()); |
| 455 | } |
| 456 | if (teSubTlv instanceof NeighborIpAddress) { |
| 457 | NeighborIpAddress neighborIpAddress = (NeighborIpAddress) teSubTlv; |
| 458 | isisLinkTed.setIpv4NeighborAddress(neighborIpAddress.neighborIPAddress()); |
| 459 | } |
| 460 | if (teSubTlv instanceof TrafficEngineeringMetric) { |
| 461 | TrafficEngineeringMetric teM = (TrafficEngineeringMetric) teSubTlv; |
| 462 | isisLinkTed.setTeDefaultMetric(teM.getTrafficEngineeringMetricValue()); |
| 463 | } |
| 464 | if (teSubTlv instanceof MaximumBandwidth) { |
| 465 | MaximumBandwidth maxLinkBandwidth = (MaximumBandwidth) teSubTlv; |
| 466 | isisLinkTed.setMaximumLinkBandwidth( |
| 467 | Bandwidth.bps(maxLinkBandwidth.getMaximumBandwidthValue())); |
| 468 | } |
| 469 | if (teSubTlv instanceof MaximumReservableBandwidth) { |
| 470 | MaximumReservableBandwidth maxReservableBw = (MaximumReservableBandwidth) teSubTlv; |
| 471 | isisLinkTed.setMaximumReservableLinkBandwidth( |
| 472 | Bandwidth.bps(maxReservableBw.getMaximumBandwidthValue())); |
| 473 | } |
| 474 | if (teSubTlv instanceof UnreservedBandwidth) { |
| 475 | UnreservedBandwidth unReservedBandwidth = (UnreservedBandwidth) teSubTlv; |
| 476 | List<Bandwidth> bandwidthList = new ArrayList<>(); |
| 477 | List<Float> unReservedBandwidthList = unReservedBandwidth.unReservedBandwidthValue(); |
| 478 | for (Float unReservedBandwidthFloatValue : unReservedBandwidthList) { |
| 479 | Bandwidth bandwidth = Bandwidth.bps(unReservedBandwidthFloatValue); |
| 480 | bandwidthList.add(bandwidth); |
| 481 | } |
| 482 | isisLinkTed.setUnreservedBandwidth(bandwidthList); |
| 483 | } |
| 484 | } |
| 485 | } |
| 486 | } |
| 487 | } |
| 488 | return isisLinkTed; |
| 489 | } |
| 490 | } |