Jian Li | 19f2526 | 2018-07-03 22:37:12 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2018-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 | package org.onosproject.openstackvtap.impl; |
| 17 | |
| 18 | import com.google.common.collect.ImmutableSet; |
| 19 | import com.google.common.collect.Maps; |
| 20 | import com.google.common.collect.Sets; |
| 21 | import org.apache.felix.scr.annotations.Activate; |
| 22 | import org.apache.felix.scr.annotations.Component; |
| 23 | import org.apache.felix.scr.annotations.Deactivate; |
| 24 | import org.apache.felix.scr.annotations.Reference; |
| 25 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
| 26 | import org.apache.felix.scr.annotations.Service; |
| 27 | import org.onlab.util.KryoNamespace; |
| 28 | import org.onosproject.net.DefaultAnnotations; |
| 29 | import org.onosproject.net.DeviceId; |
| 30 | import org.onosproject.net.SparseAnnotations; |
| 31 | import org.onosproject.openstackvtap.api.OpenstackVtap; |
| 32 | import org.onosproject.openstackvtap.api.OpenstackVtapCriterion; |
| 33 | import org.onosproject.openstackvtap.api.OpenstackVtapEvent; |
| 34 | import org.onosproject.openstackvtap.api.OpenstackVtapId; |
| 35 | import org.onosproject.openstackvtap.api.OpenstackVtapStore; |
| 36 | import org.onosproject.openstackvtap.api.OpenstackVtapStoreDelegate; |
| 37 | import org.onosproject.store.AbstractStore; |
| 38 | import org.onosproject.store.serializers.KryoNamespaces; |
| 39 | import org.onosproject.store.service.ConsistentMap; |
| 40 | import org.onosproject.store.service.DistributedPrimitive.Status; |
| 41 | import org.onosproject.store.service.MapEvent; |
| 42 | import org.onosproject.store.service.MapEventListener; |
| 43 | import org.onosproject.store.service.Serializer; |
| 44 | import org.onosproject.store.service.StorageService; |
| 45 | import org.slf4j.Logger; |
| 46 | |
| 47 | import java.util.Comparator; |
| 48 | import java.util.Map; |
| 49 | import java.util.Objects; |
| 50 | import java.util.Set; |
| 51 | import java.util.UUID; |
| 52 | import java.util.concurrent.ScheduledExecutorService; |
| 53 | import java.util.function.Consumer; |
| 54 | import java.util.stream.Collectors; |
| 55 | |
| 56 | import static com.google.common.base.Preconditions.checkNotNull; |
| 57 | import static com.google.common.base.Preconditions.checkState; |
| 58 | import static java.util.concurrent.Executors.newSingleThreadScheduledExecutor; |
| 59 | import static org.onlab.util.Tools.groupedThreads; |
| 60 | import static org.onosproject.net.DefaultAnnotations.merge; |
| 61 | import static org.slf4j.LoggerFactory.getLogger; |
| 62 | |
| 63 | /** |
| 64 | * Manages the inventory of users using a {@code ConsistentMap}. |
| 65 | */ |
| 66 | @Component(immediate = true) |
| 67 | @Service |
| 68 | public class DistributedOpenstackVtapStore |
| 69 | extends AbstractStore<OpenstackVtapEvent, OpenstackVtapStoreDelegate> |
| 70 | implements OpenstackVtapStore { |
| 71 | private final Logger log = getLogger(getClass()); |
| 72 | |
| 73 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 74 | protected StorageService storageService; |
| 75 | |
| 76 | private ConsistentMap<OpenstackVtapId, DefaultOpenstackVtap> vTapConsistentMap; |
| 77 | private MapEventListener<OpenstackVtapId, DefaultOpenstackVtap> |
Jian Li | 26ef130 | 2018-07-04 14:37:06 +0900 | [diff] [blame] | 78 | vTapListener = new VtapEventListener(); |
Jian Li | 19f2526 | 2018-07-03 22:37:12 +0900 | [diff] [blame] | 79 | private Map<OpenstackVtapId, DefaultOpenstackVtap> vTapMap; |
| 80 | |
| 81 | private static final Serializer SERIALIZER = Serializer |
| 82 | .using(new KryoNamespace.Builder().register(KryoNamespaces.API) |
| 83 | .register(OpenstackVtapId.class) |
| 84 | .register(UUID.class) |
| 85 | .register(DefaultOpenstackVtap.class) |
| 86 | .register(OpenstackVtap.Type.class) |
| 87 | .register(DefaultOpenstackVtapCriterion.class) |
| 88 | .nextId(KryoNamespaces.BEGIN_USER_CUSTOM_ID) |
| 89 | .build()); |
| 90 | |
| 91 | private Map<DeviceId, Set<OpenstackVtapId>> |
| 92 | vTapIdsByTxDeviceId = Maps.newConcurrentMap(); |
| 93 | private Map<DeviceId, Set<OpenstackVtapId>> |
| 94 | vTapIdsByRxDeviceId = Maps.newConcurrentMap(); |
| 95 | |
| 96 | private ScheduledExecutorService eventExecutor; |
| 97 | |
| 98 | private Consumer<Status> vTapStatusListener; |
| 99 | |
| 100 | public static final String INVALID_DESCRIPTION = "Invalid create/update parameter"; |
| 101 | |
| 102 | @Activate |
| 103 | public void activate() { |
| 104 | eventExecutor = newSingleThreadScheduledExecutor( |
| 105 | groupedThreads(this.getClass().getSimpleName(), "event-handler", log)); |
| 106 | |
| 107 | vTapConsistentMap = storageService.<OpenstackVtapId, DefaultOpenstackVtap> |
| 108 | consistentMapBuilder() |
| 109 | .withName("vTapMap") |
| 110 | .withSerializer(SERIALIZER) |
| 111 | .build(); |
| 112 | |
| 113 | vTapMap = vTapConsistentMap.asJavaMap(); |
| 114 | vTapConsistentMap.addListener(vTapListener); |
| 115 | |
| 116 | vTapStatusListener = status -> { |
| 117 | if (status == Status.ACTIVE) { |
Jian Li | 26ef130 | 2018-07-04 14:37:06 +0900 | [diff] [blame] | 118 | eventExecutor.execute(this::loadVtapIds); |
Jian Li | 19f2526 | 2018-07-03 22:37:12 +0900 | [diff] [blame] | 119 | } |
| 120 | }; |
| 121 | vTapConsistentMap.addStatusChangeListener(vTapStatusListener); |
| 122 | |
| 123 | log.info("Started {} - {}", this.getClass().getSimpleName()); |
| 124 | } |
| 125 | |
| 126 | @Deactivate |
| 127 | public void deactivate() { |
| 128 | vTapConsistentMap.removeStatusChangeListener(vTapStatusListener); |
| 129 | vTapConsistentMap.removeListener(vTapListener); |
| 130 | eventExecutor.shutdown(); |
| 131 | |
| 132 | log.info("Stopped {} - {}", this.getClass().getSimpleName()); |
| 133 | } |
| 134 | |
Jian Li | 19f2526 | 2018-07-03 22:37:12 +0900 | [diff] [blame] | 135 | @Override |
| 136 | public OpenstackVtap createOrUpdateVtap(OpenstackVtapId vTapId, |
| 137 | OpenstackVtap description, |
| 138 | boolean replaceFlag) { |
| 139 | |
| 140 | return vTapMap.compute(vTapId, (id, existing) -> { |
| 141 | if (existing == null && |
| 142 | (description.type() == null || |
| 143 | description.vTapCriterion() == null || |
| 144 | description.txDeviceIds() == null || |
| 145 | description.rxDeviceIds() == null)) { |
| 146 | checkState(false, INVALID_DESCRIPTION); |
| 147 | return null; |
| 148 | } |
| 149 | |
| 150 | if (shouldUpdate(existing, description, replaceFlag)) { |
| 151 | // Replace items |
| 152 | OpenstackVtap.Type type = |
| 153 | (description.type() == null ? existing.type() : description.type()); |
| 154 | OpenstackVtapCriterion vTapCriterion = |
| 155 | (description.vTapCriterion() == null ? |
| 156 | existing.vTapCriterion() : description.vTapCriterion()); |
| 157 | |
| 158 | // Replace or add devices |
| 159 | Set<DeviceId> txDeviceIds; |
| 160 | if (description.txDeviceIds() == null) { |
| 161 | txDeviceIds = existing.txDeviceIds(); |
| 162 | } else { |
| 163 | if (existing == null || replaceFlag) { |
| 164 | txDeviceIds = ImmutableSet.copyOf(description.txDeviceIds()); |
| 165 | } else { |
| 166 | txDeviceIds = Sets.newHashSet(existing.txDeviceIds()); |
| 167 | txDeviceIds.addAll(description.txDeviceIds()); |
| 168 | } |
| 169 | } |
| 170 | |
| 171 | Set<DeviceId> rxDeviceIds; |
| 172 | if (description.rxDeviceIds() == null) { |
| 173 | rxDeviceIds = existing.rxDeviceIds(); |
| 174 | } else { |
| 175 | if (existing == null || replaceFlag) { |
| 176 | rxDeviceIds = ImmutableSet.copyOf(description.rxDeviceIds()); |
| 177 | } else { |
| 178 | rxDeviceIds = Sets.newHashSet(existing.rxDeviceIds()); |
| 179 | rxDeviceIds.addAll(description.rxDeviceIds()); |
| 180 | } |
| 181 | } |
| 182 | |
| 183 | // Replace or add annotations |
| 184 | SparseAnnotations annotations; |
| 185 | if (existing != null) { |
| 186 | annotations = merge((DefaultAnnotations) existing.annotations(), |
| 187 | (SparseAnnotations) description.annotations()); |
| 188 | } else { |
| 189 | annotations = (SparseAnnotations) description.annotations(); |
| 190 | } |
| 191 | |
| 192 | // Make new changed vTap and return |
| 193 | return DefaultOpenstackVtap.builder() |
| 194 | .id(vTapId) |
| 195 | .type(type) |
| 196 | .vTapCriterion(vTapCriterion) |
| 197 | .txDeviceIds(txDeviceIds) |
| 198 | .rxDeviceIds(rxDeviceIds) |
| 199 | .annotations(annotations) |
| 200 | .build(); |
| 201 | } |
| 202 | return existing; |
| 203 | }); |
| 204 | } |
| 205 | |
| 206 | @Override |
| 207 | public OpenstackVtap removeVtapById(OpenstackVtapId vTapId) { |
| 208 | return vTapMap.remove(vTapId); |
| 209 | } |
| 210 | |
| 211 | @Override |
| 212 | public boolean addDeviceToVtap(OpenstackVtapId vTapId, |
| 213 | OpenstackVtap.Type type, |
| 214 | DeviceId deviceId) { |
| 215 | checkNotNull(vTapId); |
| 216 | checkNotNull(deviceId); |
| 217 | |
| 218 | OpenstackVtap vTap = vTapMap.compute(vTapId, (id, existing) -> { |
| 219 | if (existing == null) { |
| 220 | return null; |
| 221 | } |
| 222 | if (!existing.type().isValid(type)) { |
| 223 | log.error("Not valid OpenstackVtap type {} for requested type {}", |
| 224 | existing.type(), type); |
| 225 | return existing; |
| 226 | } |
| 227 | |
| 228 | Set<DeviceId> txDeviceIds = null; |
| 229 | if (type.isValid(OpenstackVtap.Type.VTAP_TX) && |
| 230 | !existing.txDeviceIds().contains(deviceId)) { |
| 231 | txDeviceIds = Sets.newHashSet(existing.txDeviceIds()); |
| 232 | txDeviceIds.add(deviceId); |
| 233 | } |
| 234 | |
| 235 | Set<DeviceId> rxDeviceIds = null; |
| 236 | if (type.isValid(OpenstackVtap.Type.VTAP_RX) && |
| 237 | !existing.rxDeviceIds().contains(deviceId)) { |
| 238 | rxDeviceIds = Sets.newHashSet(existing.rxDeviceIds()); |
| 239 | rxDeviceIds.add(deviceId); |
| 240 | } |
| 241 | |
| 242 | if (txDeviceIds != null || rxDeviceIds != null) { |
| 243 | //updateVTapIdFromDeviceId(existing.id(), deviceId); // execute from event listener |
| 244 | |
| 245 | return DefaultOpenstackVtap.builder() |
| 246 | .id(vTapId) |
| 247 | .type(existing.type()) |
| 248 | .vTapCriterion(existing.vTapCriterion()) |
| 249 | .txDeviceIds(txDeviceIds != null ? txDeviceIds : existing.txDeviceIds()) |
| 250 | .rxDeviceIds(rxDeviceIds != null ? rxDeviceIds : existing.rxDeviceIds()) |
| 251 | .annotations(existing.annotations()) |
| 252 | .build(); |
| 253 | } |
| 254 | return existing; |
| 255 | }); |
| 256 | return (vTap != null); |
| 257 | } |
| 258 | |
| 259 | @Override |
| 260 | public boolean removeDeviceFromVtap(OpenstackVtapId vTapId, |
| 261 | OpenstackVtap.Type type, |
| 262 | DeviceId deviceId) { |
| 263 | checkNotNull(vTapId); |
| 264 | checkNotNull(deviceId); |
| 265 | |
| 266 | OpenstackVtap vTap = vTapMap.compute(vTapId, (id, existing) -> { |
| 267 | if (existing == null) { |
| 268 | return null; |
| 269 | } |
| 270 | if (!existing.type().isValid(type)) { |
| 271 | log.error("Not valid OpenstackVtap type {} for requested type {}", |
| 272 | existing.type(), type); |
| 273 | return existing; |
| 274 | } |
| 275 | |
| 276 | Set<DeviceId> txDeviceIds = null; |
| 277 | if (type.isValid(OpenstackVtap.Type.VTAP_TX) && |
| 278 | existing.txDeviceIds().contains(deviceId)) { |
| 279 | txDeviceIds = Sets.newHashSet(existing.txDeviceIds()); |
| 280 | txDeviceIds.remove(deviceId); |
| 281 | } |
| 282 | |
| 283 | Set<DeviceId> rxDeviceIds = null; |
| 284 | if (type.isValid(OpenstackVtap.Type.VTAP_RX) && |
| 285 | existing.rxDeviceIds().contains(deviceId)) { |
| 286 | rxDeviceIds = Sets.newHashSet(existing.rxDeviceIds()); |
| 287 | rxDeviceIds.remove(deviceId); |
| 288 | } |
| 289 | |
| 290 | if (txDeviceIds != null || rxDeviceIds != null) { |
| 291 | //removeVTapIdFromDeviceId(existing.id(), deviceId); // execute from event listener |
| 292 | |
| 293 | return DefaultOpenstackVtap.builder() |
| 294 | .id(vTapId) |
| 295 | .type(existing.type()) |
| 296 | .vTapCriterion(existing.vTapCriterion()) |
| 297 | .txDeviceIds(txDeviceIds != null ? txDeviceIds : existing.txDeviceIds()) |
| 298 | .rxDeviceIds(rxDeviceIds != null ? rxDeviceIds : existing.rxDeviceIds()) |
| 299 | .annotations(existing.annotations()) |
| 300 | .build(); |
| 301 | } |
| 302 | return existing; |
| 303 | }); |
| 304 | return (vTap != null); |
| 305 | } |
| 306 | |
| 307 | @Override |
| 308 | public boolean updateDeviceForVtap(OpenstackVtapId vTapId, |
| 309 | Set<DeviceId> txDeviceIds, Set<DeviceId> rxDeviceIds, |
| 310 | boolean replaceDevices) { |
| 311 | checkNotNull(vTapId); |
| 312 | checkNotNull(txDeviceIds); |
| 313 | checkNotNull(rxDeviceIds); |
| 314 | |
| 315 | OpenstackVtap vTap = vTapMap.compute(vTapId, (id, existing) -> { |
| 316 | if (existing == null) { |
| 317 | return null; |
| 318 | } |
| 319 | |
| 320 | // Replace or add devices |
| 321 | Set<DeviceId> txDS = null; |
| 322 | if (replaceDevices) { |
| 323 | if (!existing.txDeviceIds().equals(txDeviceIds)) { |
| 324 | txDS = ImmutableSet.copyOf(txDeviceIds); |
| 325 | } |
| 326 | } else { |
| 327 | if (!existing.txDeviceIds().containsAll(txDeviceIds)) { |
| 328 | txDS = Sets.newHashSet(existing.txDeviceIds()); |
| 329 | txDS.addAll(txDeviceIds); |
| 330 | } |
| 331 | } |
| 332 | |
| 333 | Set<DeviceId> rxDS = null; |
| 334 | if (replaceDevices) { |
| 335 | if (!existing.rxDeviceIds().equals(rxDeviceIds)) { |
| 336 | rxDS = ImmutableSet.copyOf(rxDeviceIds); |
| 337 | } |
| 338 | } else { |
| 339 | if (!existing.rxDeviceIds().containsAll(rxDeviceIds)) { |
| 340 | rxDS = Sets.newHashSet(existing.rxDeviceIds()); |
| 341 | rxDS.addAll(rxDeviceIds); |
| 342 | } |
| 343 | } |
| 344 | |
| 345 | if (txDS != null || rxDS != null) { |
| 346 | |
| 347 | return DefaultOpenstackVtap.builder() |
| 348 | .id(vTapId) |
| 349 | .type(existing.type()) |
| 350 | .vTapCriterion(existing.vTapCriterion()) |
| 351 | .txDeviceIds(txDS != null ? txDS : existing.txDeviceIds()) |
| 352 | .rxDeviceIds(rxDS != null ? rxDS : existing.rxDeviceIds()) |
| 353 | .annotations(existing.annotations()) |
| 354 | .build(); |
| 355 | } |
| 356 | return existing; |
| 357 | }); |
| 358 | return (vTap != null); |
| 359 | } |
| 360 | |
| 361 | @Override |
| 362 | public int getVtapCount(OpenstackVtap.Type type) { |
| 363 | return (int) vTapMap.values().parallelStream() |
| 364 | .filter(vTap -> vTap.type().isValid(type)) |
| 365 | .count(); |
| 366 | } |
| 367 | |
| 368 | @Override |
| 369 | public Set<OpenstackVtap> getVtaps(OpenstackVtap.Type type) { |
| 370 | return ImmutableSet.copyOf( |
| 371 | vTapMap.values().parallelStream() |
| 372 | .filter(vTap -> vTap.type().isValid(type)) |
| 373 | .collect(Collectors.toSet())); |
| 374 | } |
| 375 | |
| 376 | @Override |
| 377 | public OpenstackVtap getVtap(OpenstackVtapId vTapId) { |
| 378 | return vTapMap.get(vTapId); |
| 379 | } |
| 380 | |
| 381 | @Override |
| 382 | public Set<OpenstackVtap> getVtapsByDeviceId(OpenstackVtap.Type type, |
| 383 | DeviceId deviceId) { |
| 384 | Set<OpenstackVtapId> vtapIds = Sets.newHashSet(); |
| 385 | if (type.isValid(OpenstackVtap.Type.VTAP_TX)) { |
Jian Li | b1ca1a2 | 2018-07-06 13:31:39 +0900 | [diff] [blame] | 386 | if (vTapIdsByTxDeviceId.get(deviceId) != null) { |
| 387 | vtapIds.addAll(vTapIdsByTxDeviceId.get(deviceId)); |
| 388 | } |
Jian Li | 19f2526 | 2018-07-03 22:37:12 +0900 | [diff] [blame] | 389 | } |
| 390 | if (type.isValid(OpenstackVtap.Type.VTAP_RX)) { |
Jian Li | b1ca1a2 | 2018-07-06 13:31:39 +0900 | [diff] [blame] | 391 | if (vTapIdsByRxDeviceId.get(deviceId) != null) { |
| 392 | vtapIds.addAll(vTapIdsByRxDeviceId.get(deviceId)); |
| 393 | } |
Jian Li | 19f2526 | 2018-07-03 22:37:12 +0900 | [diff] [blame] | 394 | } |
| 395 | |
| 396 | return ImmutableSet.copyOf( |
| 397 | vtapIds.parallelStream() |
| 398 | .map(vTapId -> vTapMap.get(vTapId)) |
| 399 | .filter(Objects::nonNull) |
| 400 | .collect(Collectors.toSet())); |
| 401 | } |
| 402 | |
Jian Li | 26ef130 | 2018-07-04 14:37:06 +0900 | [diff] [blame] | 403 | private void loadVtapIds() { |
| 404 | vTapIdsByTxDeviceId.clear(); |
| 405 | vTapIdsByRxDeviceId.clear(); |
| 406 | vTapMap.values().forEach(vTap -> refreshDeviceIdsByVtap(null, vTap)); |
| 407 | } |
| 408 | |
| 409 | private boolean shouldUpdate(DefaultOpenstackVtap existing, |
| 410 | OpenstackVtap description, |
| 411 | boolean replaceDevices) { |
| 412 | if (existing == null) { |
| 413 | return true; |
| 414 | } |
| 415 | |
| 416 | if ((description.type() != null && !description.type().equals(existing.type())) |
| 417 | || (description.vTapCriterion() != null && |
| 418 | !description.vTapCriterion().equals(existing.vTapCriterion()))) { |
| 419 | return true; |
| 420 | } |
| 421 | |
| 422 | if (description.txDeviceIds() != null) { |
| 423 | if (replaceDevices) { |
| 424 | if (!existing.txDeviceIds().equals(description.txDeviceIds())) { |
| 425 | return true; |
| 426 | } |
| 427 | } else { |
| 428 | if (!existing.txDeviceIds().containsAll(description.txDeviceIds())) { |
| 429 | return true; |
| 430 | } |
| 431 | } |
| 432 | } |
| 433 | |
| 434 | if (description.rxDeviceIds() != null) { |
| 435 | if (replaceDevices) { |
| 436 | if (!existing.rxDeviceIds().equals(description.rxDeviceIds())) { |
| 437 | return true; |
| 438 | } |
| 439 | } else { |
| 440 | if (!existing.rxDeviceIds().containsAll(description.rxDeviceIds())) { |
| 441 | return true; |
| 442 | } |
| 443 | } |
| 444 | } |
| 445 | |
| 446 | // check to see if any of the annotations provided by vTap |
| 447 | // differ from those in the existing vTap |
| 448 | return description.annotations().keys().stream() |
| 449 | .anyMatch(k -> !Objects.equals(description.annotations().value(k), |
| 450 | existing.annotations().value(k))); |
| 451 | } |
| 452 | |
| 453 | private class VtapComparator implements Comparator<OpenstackVtap> { |
Jian Li | 19f2526 | 2018-07-03 22:37:12 +0900 | [diff] [blame] | 454 | @Override |
| 455 | public int compare(OpenstackVtap v1, OpenstackVtap v2) { |
| 456 | int diff = (v2.type().compareTo(v1.type())); |
| 457 | if (diff == 0) { |
| 458 | return (v2.vTapCriterion().ipProtocol() - v1.vTapCriterion().ipProtocol()); |
| 459 | } |
| 460 | return diff; |
| 461 | } |
| 462 | } |
| 463 | |
| 464 | private static Set<OpenstackVtapId> addVTapIds(OpenstackVtapId vTapId) { |
| 465 | Set<OpenstackVtapId> vtapIds = Sets.newConcurrentHashSet(); |
| 466 | vtapIds.add(vTapId); |
| 467 | return vtapIds; |
| 468 | } |
| 469 | |
| 470 | private static Set<OpenstackVtapId> updateVTapIds(Set<OpenstackVtapId> existingVtapIds, |
| 471 | OpenstackVtapId vTapId) { |
| 472 | existingVtapIds.add(vTapId); |
| 473 | return existingVtapIds; |
| 474 | } |
| 475 | |
| 476 | private static Set<OpenstackVtapId> removeVTapIds(Set<OpenstackVtapId> existingVtapIds, |
| 477 | OpenstackVtapId vTapId) { |
| 478 | existingVtapIds.remove(vTapId); |
| 479 | if (existingVtapIds.isEmpty()) { |
| 480 | return null; |
| 481 | } |
| 482 | return existingVtapIds; |
| 483 | } |
| 484 | |
| 485 | private void updateVTapIdFromTxDeviceId(OpenstackVtapId vTapId, DeviceId deviceId) { |
| 486 | vTapIdsByTxDeviceId.compute(deviceId, (k, v) -> v == null ? |
| 487 | addVTapIds(vTapId) : updateVTapIds(v, vTapId)); |
| 488 | } |
| 489 | |
| 490 | private void removeVTapIdFromTxDeviceId(OpenstackVtapId vTapId, DeviceId deviceId) { |
| 491 | vTapIdsByTxDeviceId.computeIfPresent(deviceId, (k, v) -> removeVTapIds(v, vTapId)); |
| 492 | } |
| 493 | |
| 494 | private void updateVTapIdFromRxDeviceId(OpenstackVtapId vTapId, DeviceId deviceId) { |
| 495 | vTapIdsByRxDeviceId.compute(deviceId, (k, v) -> v == null ? |
| 496 | addVTapIds(vTapId) : updateVTapIds(v, vTapId)); |
| 497 | } |
| 498 | |
| 499 | private void removeVTapIdFromRxDeviceId(OpenstackVtapId vTapId, DeviceId deviceId) { |
| 500 | vTapIdsByRxDeviceId.computeIfPresent(deviceId, (k, v) -> removeVTapIds(v, vTapId)); |
| 501 | } |
| 502 | |
| 503 | private void refreshDeviceIdsByVtap(OpenstackVtap oldOpenstackVtap, |
| 504 | OpenstackVtap newOpenstackVtap) { |
| 505 | if (oldOpenstackVtap != null) { |
| 506 | Set<DeviceId> removeDeviceIds; |
| 507 | |
| 508 | // Remove TX vTap |
| 509 | removeDeviceIds = (newOpenstackVtap != null) ? |
| 510 | Sets.difference(oldOpenstackVtap.txDeviceIds(), |
| 511 | newOpenstackVtap.txDeviceIds()) : oldOpenstackVtap.txDeviceIds(); |
| 512 | removeDeviceIds.forEach(id -> removeVTapIdFromTxDeviceId(oldOpenstackVtap.id(), id)); |
| 513 | |
| 514 | // Remove RX vTap |
| 515 | removeDeviceIds = (newOpenstackVtap != null) ? |
| 516 | Sets.difference(oldOpenstackVtap.rxDeviceIds(), |
| 517 | newOpenstackVtap.rxDeviceIds()) : oldOpenstackVtap.rxDeviceIds(); |
| 518 | removeDeviceIds.forEach(id -> removeVTapIdFromRxDeviceId(oldOpenstackVtap.id(), id)); |
| 519 | } |
| 520 | |
| 521 | if (newOpenstackVtap != null) { |
| 522 | Set<DeviceId> addDeviceIds; |
| 523 | |
| 524 | // Add TX vTap |
| 525 | addDeviceIds = (oldOpenstackVtap != null) ? |
| 526 | Sets.difference(newOpenstackVtap.txDeviceIds(), |
| 527 | oldOpenstackVtap.txDeviceIds()) : newOpenstackVtap.txDeviceIds(); |
| 528 | addDeviceIds.forEach(id -> updateVTapIdFromTxDeviceId(newOpenstackVtap.id(), id)); |
| 529 | |
| 530 | // Add RX vTap |
| 531 | addDeviceIds = (oldOpenstackVtap != null) ? |
| 532 | Sets.difference(newOpenstackVtap.rxDeviceIds(), |
| 533 | oldOpenstackVtap.rxDeviceIds()) : newOpenstackVtap.rxDeviceIds(); |
| 534 | addDeviceIds.forEach(id -> updateVTapIdFromRxDeviceId(newOpenstackVtap.id(), id)); |
| 535 | } |
| 536 | } |
| 537 | |
Jian Li | 26ef130 | 2018-07-04 14:37:06 +0900 | [diff] [blame] | 538 | private class VtapEventListener |
Jian Li | 19f2526 | 2018-07-03 22:37:12 +0900 | [diff] [blame] | 539 | implements MapEventListener<OpenstackVtapId, DefaultOpenstackVtap> { |
| 540 | @Override |
| 541 | public void event(MapEvent<OpenstackVtapId, DefaultOpenstackVtap> event) { |
| 542 | DefaultOpenstackVtap newValue = |
| 543 | event.newValue() != null ? event.newValue().value() : null; |
| 544 | DefaultOpenstackVtap oldValue = |
| 545 | event.oldValue() != null ? event.oldValue().value() : null; |
| 546 | |
Jian Li | 26ef130 | 2018-07-04 14:37:06 +0900 | [diff] [blame] | 547 | log.debug("VtapEventListener {} -> {}, {}", event.type(), oldValue, newValue); |
Jian Li | 19f2526 | 2018-07-03 22:37:12 +0900 | [diff] [blame] | 548 | switch (event.type()) { |
| 549 | case INSERT: |
| 550 | refreshDeviceIdsByVtap(oldValue, newValue); |
| 551 | notifyDelegate(new OpenstackVtapEvent( |
| 552 | OpenstackVtapEvent.Type.VTAP_ADDED, newValue)); |
| 553 | break; |
| 554 | |
| 555 | case UPDATE: |
| 556 | if (!Objects.equals(newValue, oldValue)) { |
| 557 | refreshDeviceIdsByVtap(oldValue, newValue); |
| 558 | notifyDelegate(new OpenstackVtapEvent( |
| 559 | OpenstackVtapEvent.Type.VTAP_UPDATED, newValue, oldValue)); |
| 560 | } |
| 561 | break; |
| 562 | |
| 563 | case REMOVE: |
| 564 | refreshDeviceIdsByVtap(oldValue, newValue); |
| 565 | notifyDelegate(new OpenstackVtapEvent( |
| 566 | OpenstackVtapEvent.Type.VTAP_REMOVED, oldValue)); |
| 567 | break; |
| 568 | |
| 569 | default: |
| 570 | log.warn("Unknown map event type: {}", event.type()); |
| 571 | } |
| 572 | } |
| 573 | } |
| 574 | } |