Daniele Moro | 94660a0 | 2019-12-02 12:02:07 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2019-present Open Networking Foundation |
| 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 | |
Daniele Moro | ad7057d | 2020-01-15 10:54:37 -0800 | [diff] [blame] | 17 | package org.opencord.bng.impl; |
Daniele Moro | 94660a0 | 2019-12-02 12:02:07 -0800 | [diff] [blame] | 18 | |
| 19 | import com.google.common.collect.ImmutableSet; |
| 20 | import com.google.common.collect.Maps; |
| 21 | import org.apache.commons.lang3.tuple.Pair; |
| 22 | import org.onlab.packet.EthType; |
| 23 | import org.onlab.packet.IpAddress; |
| 24 | import org.onlab.packet.MacAddress; |
| 25 | import org.onlab.packet.VlanId; |
| 26 | import org.onosproject.core.ApplicationId; |
| 27 | import org.onosproject.core.CoreService; |
| 28 | import org.onosproject.net.ConnectPoint; |
| 29 | import org.onosproject.net.DefaultAnnotations; |
| 30 | import org.onosproject.net.Device; |
| 31 | import org.onosproject.net.DeviceId; |
| 32 | import org.onosproject.net.Host; |
| 33 | import org.onosproject.net.HostId; |
| 34 | import org.onosproject.net.HostLocation; |
| 35 | import org.onosproject.net.behaviour.BngProgrammable; |
| 36 | import org.onosproject.net.behaviour.BngProgrammable.BngProgrammableException; |
| 37 | import org.onosproject.net.config.ConfigFactory; |
| 38 | import org.onosproject.net.config.NetworkConfigEvent; |
| 39 | import org.onosproject.net.config.NetworkConfigListener; |
| 40 | import org.onosproject.net.config.NetworkConfigRegistry; |
| 41 | import org.onosproject.net.device.DeviceEvent; |
| 42 | import org.onosproject.net.device.DeviceListener; |
| 43 | import org.onosproject.net.device.DeviceService; |
| 44 | import org.onosproject.net.host.DefaultHostDescription; |
| 45 | import org.onosproject.net.host.HostDescription; |
| 46 | import org.onosproject.net.host.HostProvider; |
| 47 | import org.onosproject.net.host.HostProviderRegistry; |
| 48 | import org.onosproject.net.host.HostProviderService; |
| 49 | import org.onosproject.net.link.LinkService; |
| 50 | import org.onosproject.net.provider.ProviderId; |
Daniele Moro | ad7057d | 2020-01-15 10:54:37 -0800 | [diff] [blame] | 51 | import org.opencord.bng.BngAttachment; |
| 52 | import org.opencord.bng.BngService; |
| 53 | import org.opencord.bng.PppoeBngAttachment; |
Daniele Moro | 94660a0 | 2019-12-02 12:02:07 -0800 | [diff] [blame] | 54 | import org.opencord.bng.config.BngConfig; |
| 55 | import org.osgi.service.component.annotations.Activate; |
| 56 | import org.osgi.service.component.annotations.Component; |
| 57 | import org.osgi.service.component.annotations.Deactivate; |
| 58 | import org.osgi.service.component.annotations.Reference; |
| 59 | import org.osgi.service.component.annotations.ReferenceCardinality; |
| 60 | import org.slf4j.Logger; |
| 61 | import org.slf4j.LoggerFactory; |
| 62 | |
| 63 | import java.util.Map; |
| 64 | import java.util.Optional; |
| 65 | import java.util.Set; |
| 66 | import java.util.concurrent.atomic.AtomicBoolean; |
| 67 | import java.util.stream.Collectors; |
| 68 | |
| 69 | import static org.onosproject.net.config.basics.SubjectFactories.APP_SUBJECT_FACTORY; |
| 70 | |
| 71 | /** |
| 72 | * Implements the network level BNG service API to manage attachments. |
| 73 | */ |
Daniele Moro | ad7057d | 2020-01-15 10:54:37 -0800 | [diff] [blame] | 74 | @Component(immediate = true) |
Daniele Moro | 94660a0 | 2019-12-02 12:02:07 -0800 | [diff] [blame] | 75 | public class BngManager implements HostProvider, BngService { |
| 76 | public static final String BNG_APP = "org.opencord.bng"; |
| 77 | |
| 78 | private static final ProviderId PROVIDER_ID = new ProviderId("bngapp", BngManager.BNG_APP); |
| 79 | |
| 80 | private final Logger log = LoggerFactory.getLogger(getClass()); |
| 81 | private final AtomicBoolean bnguInitialized = new AtomicBoolean(false); |
| 82 | |
| 83 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 84 | protected LinkService linkService; |
| 85 | |
| 86 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 87 | protected DeviceService deviceService; |
| 88 | |
| 89 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 90 | protected CoreService coreService; |
| 91 | |
| 92 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 93 | protected NetworkConfigRegistry cfgService; |
| 94 | |
| 95 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 96 | protected HostProviderRegistry providerRegistry; |
| 97 | |
| 98 | private ConfigFactory<ApplicationId, BngConfig> cfgFactory = new ConfigFactory<>( |
| 99 | APP_SUBJECT_FACTORY, |
| 100 | BngConfig.class, |
| 101 | BngConfig.KEY) { |
| 102 | @Override |
| 103 | public BngConfig createConfig() { |
| 104 | return new BngConfig(); |
| 105 | } |
| 106 | }; |
| 107 | private BngProgrammable bngProgrammable; |
| 108 | private DeviceId bngDeviceId; |
| 109 | private InternalDeviceListener deviceListener; |
| 110 | private InternalConfigListener cfgListener; |
| 111 | private HostProviderService hostProviderService; |
| 112 | // TODO: add support for other attachment type |
| 113 | private Map<String, Pair<BngAttachment, HostId>> registeredAttachment; |
| 114 | private ApplicationId appId; |
| 115 | |
| 116 | @Activate |
| 117 | protected void activate() { |
| 118 | appId = coreService.registerApplication(BNG_APP); |
| 119 | hostProviderService = providerRegistry.register(this); |
| 120 | registeredAttachment = Maps.newHashMap(); |
| 121 | bngProgrammable = null; |
| 122 | bngDeviceId = null; |
| 123 | deviceListener = new InternalDeviceListener(); |
| 124 | cfgListener = new InternalConfigListener(); |
| 125 | cfgService.addListener(cfgListener); |
| 126 | cfgService.registerConfigFactory(cfgFactory); |
| 127 | |
| 128 | // Update the BNG relay configuration |
| 129 | updateConfig(); |
| 130 | |
| 131 | deviceService.addListener(deviceListener); |
| 132 | |
| 133 | log.info("BNG app activated"); |
| 134 | } |
| 135 | |
| 136 | @Deactivate |
| 137 | protected void deactivate() { |
| 138 | providerRegistry.unregister(this); |
| 139 | if (bngProgrammableAvailable()) { |
| 140 | try { |
| 141 | bngProgrammable.cleanUp(appId); |
| 142 | } catch (BngProgrammableException e) { |
| 143 | log.error("Error cleaning-up the BNG pipeline, {}", e.getMessage()); |
| 144 | } |
| 145 | } |
| 146 | deviceService.removeListener(deviceListener); |
| 147 | cfgService.removeListener(cfgListener); |
| 148 | cfgService.unregisterConfigFactory(cfgFactory); |
| 149 | registeredAttachment = null; |
| 150 | bnguInitialized.set(false); |
| 151 | log.info("BNG app deactivated"); |
| 152 | } |
| 153 | |
| 154 | @Override |
| 155 | public void setupAttachment(String attachmentKey, BngAttachment attachment) { |
| 156 | // FIXME: the update case is not completely clear. Should the programAttachment method clean up the counters? |
| 157 | assert attachment.type().equals(BngProgrammable.Attachment.AttachmentType.PPPoE); |
| 158 | boolean updating = false; |
| 159 | var alreadyRegAttachment = registeredAttachment.get(attachmentKey); |
| 160 | if (alreadyRegAttachment == null) { |
| 161 | log.info("Registering a new attachment: {}", attachment.toString()); |
| 162 | } else if (!attachment.equals(alreadyRegAttachment.getLeft())) { |
| 163 | log.info("Updating the attachment: {}", attachment.toString()); |
| 164 | updating = true; |
| 165 | } else { |
| 166 | log.info("Attachment already registered: {}", attachment.toString()); |
| 167 | return; |
| 168 | } |
| 169 | // FIXME: it could register anyway the attachment but do not program it on the BNG data-plane device. |
| 170 | if (attachment.type() != BngProgrammable.Attachment.AttachmentType.PPPoE) { |
| 171 | log.warn("Attachment type not supported, rejecting attachment: {}", attachmentKey); |
| 172 | return; |
| 173 | } |
| 174 | var pppoeAttachment = (PppoeBngAttachment) attachment; |
| 175 | // Retrieve the connect point on the ASG device |
| 176 | var asgConnectPoint = getAsgConnectPoint(pppoeAttachment.oltConnectPoint()).orElseThrow(); |
| 177 | final HostId hostId = HostId.hostId(attachment.macAddress(), attachment.sTag()); |
| 178 | final HostDescription hostDescription = createHostDescription( |
| 179 | attachment.cTag(), attachment.sTag(), |
| 180 | attachment.macAddress(), attachment.ipAddress(), |
| 181 | asgConnectPoint, pppoeAttachment.oltConnectPoint(), pppoeAttachment.onuSerial()); |
| 182 | |
| 183 | // Make sure that bngProgrammable is available and if so that the attachment is connected to the bngProgrammable |
| 184 | if (bngProgrammableAvailable() && isCorrectlyConnected(asgConnectPoint)) { |
| 185 | try { |
| 186 | programAttachment(attachment, hostId, hostDescription, updating); |
| 187 | } catch (BngProgrammableException ex) { |
| 188 | log.error("Attachment not created: " + ex.getMessage()); |
| 189 | } |
| 190 | } else { |
| 191 | // If the BNG user plane is not available, or the attachment is not connected to |
| 192 | // the correct BNG user planee, accept anyway the attachment. |
| 193 | // Check if the attachment is correctly connected to the BNG device when that device will show up. |
Daniele Moro | ad7057d | 2020-01-15 10:54:37 -0800 | [diff] [blame] | 194 | log.info("BNG user plane not available, attachment accepted but not programmed"); |
Daniele Moro | 94660a0 | 2019-12-02 12:02:07 -0800 | [diff] [blame] | 195 | } |
| 196 | log.info("PPPoE Attachment created/updated: {}", pppoeAttachment); |
| 197 | registeredAttachment.put(attachmentKey, Pair.of(pppoeAttachment, hostId)); |
| 198 | } |
| 199 | |
| 200 | private Optional<ConnectPoint> getAsgConnectPoint(ConnectPoint oltConnectPoint) { |
| 201 | try { |
| 202 | // Here I suppose that each OLT can be connected to a SINGLE ASG that is BNG U capable |
| 203 | return Optional.of(linkService.getDeviceEgressLinks(oltConnectPoint.deviceId()).stream() |
| 204 | .filter(link -> isBngProgrammable(link.dst().deviceId())) |
| 205 | .map(link -> link.dst()) |
| 206 | .collect(Collectors.toList()) |
| 207 | .get(0)); |
| 208 | |
| 209 | } catch (IndexOutOfBoundsException ex) { |
| 210 | return Optional.empty(); |
| 211 | } |
| 212 | } |
| 213 | |
| 214 | /** |
| 215 | * Setup of an attachment. Before calling this method, make sure that BNG |
| 216 | * programmable is available. |
| 217 | * |
| 218 | * @param attachment |
| 219 | * @param hostId |
| 220 | * @param hostDescription |
| 221 | * @param update |
| 222 | * @throws BngProgrammableException |
| 223 | */ |
| 224 | private void programAttachment(BngAttachment attachment, HostId hostId, |
| 225 | HostDescription hostDescription, boolean update) |
| 226 | throws BngProgrammableException { |
| 227 | assert bngProgrammableAvailable(); |
| 228 | bngProgrammable.setupAttachment(attachment); |
| 229 | if (!update) { |
| 230 | bngProgrammable.resetCounters(attachment); |
| 231 | } |
| 232 | // Trigger host creation in ONOS |
| 233 | hostProviderService.hostDetected(hostId, hostDescription, true); |
| 234 | } |
| 235 | |
| 236 | /** |
| 237 | * Create an host description from the attachment information. |
| 238 | * |
| 239 | * @param cTag Vlan C-TAG. |
| 240 | * @param sTag Vlan S-TAG. |
| 241 | * @param hostMac MAC address of the attachment. |
| 242 | * @param hostIp IP address of the attachment. |
| 243 | * @param asgConnectPoint Attachment connect point from the ASG switch |
| 244 | * perspective. |
| 245 | * @param oltConnectPoint Attachment connect point from the OLT |
| 246 | * perspective. |
| 247 | * @param onuSerialNumber ONU Serial Number. |
| 248 | * @return Host description of the attachment |
| 249 | */ |
| 250 | private HostDescription createHostDescription(VlanId cTag, VlanId sTag, |
| 251 | MacAddress hostMac, |
| 252 | IpAddress hostIp, |
| 253 | ConnectPoint asgConnectPoint, |
| 254 | ConnectPoint oltConnectPoint, |
| 255 | String onuSerialNumber) { |
Daniele Moro | d2d5620 | 2020-03-02 18:06:59 -0800 | [diff] [blame^] | 256 | // FIXME: use auxLocation when ONOS bug is fixed. |
| 257 | // Set<HostLocation> auxLocation = Set.of(new HostLocation(asgConnectPoint.deviceId(), |
| 258 | // asgConnectPoint.port(), |
| 259 | // System.currentTimeMillis())); |
| 260 | // Set<HostLocation> hostLocation = Set.of(new HostLocation(oltConnectPoint.deviceId(), |
| 261 | // oltConnectPoint.port(), |
| 262 | // System.currentTimeMillis())); |
| 263 | |
| 264 | Set<HostLocation> hostLocation = Set.of(new HostLocation(asgConnectPoint.deviceId(), |
| 265 | asgConnectPoint.port(), |
| 266 | System.currentTimeMillis())); |
| 267 | |
Daniele Moro | 94660a0 | 2019-12-02 12:02:07 -0800 | [diff] [blame] | 268 | var annotations = DefaultAnnotations.builder() |
Daniele Moro | 94660a0 | 2019-12-02 12:02:07 -0800 | [diff] [blame] | 269 | .set(ONU_ANNOTATION, onuSerialNumber) |
| 270 | .build(); |
| 271 | Set<IpAddress> ips = hostIp != null |
| 272 | ? ImmutableSet.of(hostIp) : ImmutableSet.of(); |
| 273 | return new DefaultHostDescription(hostMac, sTag, |
Daniele Moro | d2d5620 | 2020-03-02 18:06:59 -0800 | [diff] [blame^] | 274 | hostLocation, |
| 275 | // auxLocation, |
Daniele Moro | 94660a0 | 2019-12-02 12:02:07 -0800 | [diff] [blame] | 276 | ips, cTag, EthType.EtherType.QINQ.ethType(), |
| 277 | false, annotations); |
| 278 | } |
| 279 | |
| 280 | @Override |
| 281 | public void removeAttachment(String attachmentKey) { |
| 282 | assert attachmentKey != null; |
| 283 | if (!registeredAttachment.containsKey(attachmentKey)) { |
| 284 | log.info("Attachment cannot be removed if it wasn't registered"); |
| 285 | return; |
| 286 | } |
| 287 | var regAttachment = registeredAttachment.get(attachmentKey).getLeft(); |
| 288 | |
| 289 | final HostId hostToBeRemoved = HostId.hostId(regAttachment.macAddress(), regAttachment.sTag()); |
| 290 | registeredAttachment.remove(attachmentKey); |
| 291 | // Try to remove host even if the BNG user plane device is not available |
| 292 | hostProviderService.hostVanished(hostToBeRemoved); |
| 293 | if (bngProgrammableAvailable()) { |
Daniele Moro | a381367 | 2020-01-21 18:10:03 -0800 | [diff] [blame] | 294 | try { |
| 295 | bngProgrammable.removeAttachment(regAttachment); |
| 296 | } catch (BngProgrammableException ex) { |
| 297 | log.error("Exception when removing the attachment: " + ex.getMessage()); |
| 298 | } |
Daniele Moro | 94660a0 | 2019-12-02 12:02:07 -0800 | [diff] [blame] | 299 | } else { |
| 300 | log.info("BNG user plane not available!"); |
| 301 | } |
| 302 | log.info("Attachment {} removed successfully!", regAttachment); |
| 303 | } |
| 304 | |
| 305 | |
| 306 | @Override |
| 307 | public Map<String, BngAttachment> getAttachments() { |
| 308 | return Maps.asMap(registeredAttachment.keySet(), |
| 309 | key -> registeredAttachment.get(key).getLeft()); |
| 310 | } |
| 311 | |
| 312 | @Override |
| 313 | public BngAttachment getAttachment(String attachmentKey) { |
| 314 | return registeredAttachment.getOrDefault(attachmentKey, Pair.of(null, null)) |
| 315 | .getLeft(); |
| 316 | } |
| 317 | |
| 318 | /** |
| 319 | * Check if the given connect point is part of the BNG user plane device. |
| 320 | * Before calling this method, make sure that bngProgrammable is available. |
| 321 | * |
| 322 | * @param asgConnectPoint The connect point to check |
| 323 | * @return |
| 324 | */ |
| 325 | private boolean isCorrectlyConnected(ConnectPoint asgConnectPoint) { |
| 326 | assert bngProgrammableAvailable(); |
| 327 | return asgConnectPoint.deviceId().equals(bngProgrammable.data().deviceId()); |
| 328 | } |
| 329 | |
| 330 | /** |
| 331 | * Setup of the BNG user plane device. This method will cleanup the BNG |
| 332 | * pipeline, initialize it and then submit all the attachment already |
| 333 | * registered. |
| 334 | * |
| 335 | * @param deviceId BNG user plane device ID |
| 336 | */ |
| 337 | private void setBngDevice(DeviceId deviceId) { |
| 338 | synchronized (bnguInitialized) { |
| 339 | if (bnguInitialized.get()) { |
| 340 | log.debug("BNG device {} already initialized", deviceId); |
| 341 | return; |
| 342 | } |
| 343 | if (!isBngProgrammable(deviceId)) { |
| 344 | log.warn("{} is not BNG-U", deviceId); |
| 345 | return; |
| 346 | } |
| 347 | if (bngProgrammable != null && !bngProgrammable.data().deviceId().equals(deviceId)) { |
| 348 | log.error("Change of the BNG-U while BNG-U device is available is not supported!"); |
| 349 | return; |
| 350 | } |
| 351 | |
| 352 | bngProgrammable = deviceService.getDevice(deviceId).as(BngProgrammable.class); |
| 353 | log.info("Program BNG-U device {}", deviceId); |
| 354 | |
| 355 | // Initialize behavior |
| 356 | try { |
| 357 | bngProgrammable.cleanUp(appId); |
| 358 | bngProgrammable.init(appId); |
| 359 | // FIXME: we can improve this re-registration, keeping track of which attachment |
| 360 | // already has the flow rules submitted in the flow rule subsystem. |
| 361 | // In this way we do not need to cleanUp the bngProgrammable every time it come back online. |
| 362 | // If there is any already registered attachment, try to re-setup their attachment. |
| 363 | resubmitRegisteredAttachment(); |
| 364 | |
| 365 | bnguInitialized.set(true); |
| 366 | } catch (BngProgrammableException e) { |
| 367 | log.error("Error in BNG user plane, {}", e.getMessage()); |
| 368 | } |
| 369 | } |
| 370 | } |
| 371 | |
| 372 | /** |
| 373 | * Resubmit all the attachments to the BNG user plane device. Before calling |
| 374 | * this method, make sure that bngProgrammable is available |
| 375 | * |
| 376 | * @throws BngProgrammableException when error in BNG user plane device. |
| 377 | */ |
| 378 | private void resubmitRegisteredAttachment() throws BngProgrammableException { |
| 379 | assert bngProgrammableAvailable(); |
| 380 | for (var registeredAttachemnt : registeredAttachment.entrySet()) { |
| 381 | var attachment = registeredAttachemnt.getValue().getLeft(); |
| 382 | var host = registeredAttachemnt.getValue().getRight(); |
| 383 | var attachentKey = registeredAttachemnt.getKey(); |
| 384 | var asgConnectPoint = getAsgConnectPoint(attachment.oltConnectPoint()); |
| 385 | if (attachment.type() != BngProgrammable.Attachment.AttachmentType.PPPoE) { |
| 386 | log.info("Unsupported attachment: {}", attachentKey); |
| 387 | continue; |
| 388 | } |
| 389 | if (asgConnectPoint.isPresent() && isCorrectlyConnected(asgConnectPoint.orElseThrow())) { |
| 390 | HostDescription hostDescription = createHostDescription( |
| 391 | attachment.cTag(), attachment.sTag(), |
| 392 | attachment.macAddress(), attachment.ipAddress(), |
| 393 | asgConnectPoint.orElseThrow(), attachment.oltConnectPoint(), |
| 394 | attachment.onuSerial()); |
| 395 | // When resubmitting registered attachment act as the attachment is being setting up. |
| 396 | programAttachment(attachment, host, hostDescription, false); |
| 397 | } else { |
| 398 | log.info("Attachment is not connected to a valid BNG user plane: {}", attachment); |
| 399 | } |
| 400 | } |
| 401 | } |
| 402 | |
| 403 | /** |
| 404 | * Unset the BNG user plane device. If available it will be cleaned-up. |
| 405 | */ |
| 406 | private void unsetBngDevice() { |
| 407 | synchronized (bnguInitialized) { |
| 408 | if (bngProgrammable != null) { |
| 409 | try { |
| 410 | bngProgrammable.cleanUp(appId); |
| 411 | } catch (BngProgrammableException e) { |
| 412 | log.error("Error in BNG user plane, {}", e.getMessage()); |
| 413 | } |
| 414 | bngProgrammable = null; |
| 415 | bnguInitialized.set(false); |
| 416 | } |
| 417 | } |
| 418 | } |
| 419 | |
| 420 | /** |
| 421 | * Check if the device is registered and is BNG user plane. |
| 422 | * |
| 423 | * @param deviceId |
| 424 | * @return |
| 425 | */ |
| 426 | private boolean isBngProgrammable(DeviceId deviceId) { |
| 427 | final Device device = deviceService.getDevice(deviceId); |
| 428 | return device != null && device.is(BngProgrammable.class); |
| 429 | } |
| 430 | |
| 431 | /** |
| 432 | * Check if the BNG user plane is available. |
| 433 | * |
| 434 | * @return |
| 435 | * @throws BngProgrammableException |
| 436 | */ |
| 437 | private boolean bngProgrammableAvailable() { |
| 438 | return bngProgrammable != null; |
| 439 | } |
| 440 | |
| 441 | private void bngUpdateConfig(BngConfig config) { |
| 442 | if (config.isValid()) { |
| 443 | bngDeviceId = config.getBnguDeviceId(); |
| 444 | setBngDevice(bngDeviceId); |
| 445 | } |
| 446 | } |
| 447 | |
| 448 | @Override |
| 449 | public DeviceId getBngDeviceId() { |
| 450 | return bngDeviceId; |
| 451 | } |
| 452 | |
| 453 | /** |
| 454 | * Updates BNG app configuration. |
| 455 | */ |
| 456 | private void updateConfig() { |
| 457 | BngConfig bngConfig = cfgService.getConfig(appId, BngConfig.class); |
| 458 | if (bngConfig != null) { |
| 459 | bngUpdateConfig(bngConfig); |
| 460 | } |
| 461 | } |
| 462 | |
| 463 | @Override |
| 464 | public void triggerProbe(Host host) { |
| 465 | // Do nothing here |
| 466 | } |
| 467 | |
| 468 | @Override |
| 469 | public ProviderId id() { |
| 470 | return PROVIDER_ID; |
| 471 | } |
| 472 | |
| 473 | /** |
| 474 | * React to new devices. The first device recognized to have BNG-U |
| 475 | * functionality is taken as BNG-U device. |
| 476 | */ |
| 477 | private class InternalDeviceListener implements DeviceListener { |
| 478 | @Override |
| 479 | public void event(DeviceEvent event) { |
| 480 | DeviceId deviceId = event.subject().id(); |
| 481 | if (deviceId.equals(bngDeviceId)) { |
| 482 | switch (event.type()) { |
| 483 | case DEVICE_ADDED: |
| 484 | case DEVICE_UPDATED: |
| 485 | case DEVICE_AVAILABILITY_CHANGED: |
| 486 | // FIXME: do I need the IF? |
| 487 | //if (deviceService.isAvailable(deviceId)) { |
| 488 | log.warn("Event: {}, SETTING BNG device", event.type()); |
| 489 | setBngDevice(deviceId); |
| 490 | //} |
| 491 | break; |
| 492 | case DEVICE_REMOVED: |
| 493 | case DEVICE_SUSPENDED: |
| 494 | unsetBngDevice(); |
| 495 | break; |
| 496 | case PORT_ADDED: |
| 497 | case PORT_UPDATED: |
| 498 | case PORT_REMOVED: |
| 499 | case PORT_STATS_UPDATED: |
| 500 | break; |
| 501 | default: |
| 502 | log.warn("Unknown device event type {}", event.type()); |
| 503 | } |
| 504 | } |
| 505 | } |
| 506 | } |
| 507 | |
| 508 | |
| 509 | /** |
| 510 | * Listener for network config events. |
| 511 | */ |
| 512 | private class InternalConfigListener implements NetworkConfigListener { |
| 513 | @Override |
| 514 | public void event(NetworkConfigEvent event) { |
| 515 | switch (event.type()) { |
| 516 | case CONFIG_UPDATED: |
| 517 | case CONFIG_ADDED: |
| 518 | event.config().ifPresent(config -> { |
| 519 | bngUpdateConfig((BngConfig) config); |
| 520 | log.info("{} updated", config.getClass().getSimpleName()); |
| 521 | }); |
| 522 | break; |
| 523 | case CONFIG_REMOVED: |
| 524 | event.prevConfig().ifPresent(config -> { |
| 525 | unsetBngDevice(); |
| 526 | log.info("{} removed", config.getClass().getSimpleName()); |
| 527 | }); |
| 528 | break; |
| 529 | case CONFIG_REGISTERED: |
| 530 | case CONFIG_UNREGISTERED: |
| 531 | break; |
| 532 | default: |
| 533 | log.warn("Unsupported event type {}", event.type()); |
| 534 | break; |
| 535 | } |
| 536 | } |
| 537 | |
| 538 | @Override |
| 539 | public boolean isRelevant(NetworkConfigEvent event) { |
| 540 | if (event.configClass().equals(BngConfig.class)) { |
| 541 | return true; |
| 542 | } |
| 543 | log.debug("Ignore irrelevant event class {}", event.configClass().getName()); |
| 544 | return false; |
| 545 | } |
| 546 | } |
| 547 | } |