yoonseon | dc3210d | 2017-01-25 16:03:10 -0800 | [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 | |
| 17 | package org.onosproject.incubator.store.virtual.impl; |
| 18 | |
| 19 | import com.google.common.collect.FluentIterable; |
| 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.Service; |
| 25 | import org.onosproject.core.DefaultGroupId; |
| 26 | import org.onosproject.core.GroupId; |
| 27 | import org.onosproject.incubator.net.virtual.NetworkId; |
| 28 | import org.onosproject.incubator.net.virtual.VirtualNetworkGroupStore; |
| 29 | import org.onosproject.net.DeviceId; |
| 30 | import org.onosproject.net.group.DefaultGroup; |
| 31 | import org.onosproject.net.group.DefaultGroupDescription; |
| 32 | import org.onosproject.net.group.Group; |
| 33 | import org.onosproject.net.group.GroupBucket; |
| 34 | import org.onosproject.net.group.GroupBuckets; |
| 35 | import org.onosproject.net.group.GroupDescription; |
| 36 | import org.onosproject.net.group.GroupEvent; |
| 37 | import org.onosproject.net.group.GroupKey; |
| 38 | import org.onosproject.net.group.GroupOperation; |
| 39 | import org.onosproject.net.group.GroupStoreDelegate; |
| 40 | import org.onosproject.net.group.StoredGroupBucketEntry; |
| 41 | import org.onosproject.net.group.StoredGroupEntry; |
| 42 | import org.slf4j.Logger; |
| 43 | |
| 44 | import java.util.ArrayList; |
| 45 | import java.util.Collection; |
| 46 | import java.util.HashMap; |
| 47 | import java.util.Iterator; |
| 48 | import java.util.List; |
| 49 | import java.util.Map; |
| 50 | import java.util.Optional; |
| 51 | import java.util.Set; |
| 52 | import java.util.concurrent.ConcurrentHashMap; |
| 53 | import java.util.concurrent.ConcurrentMap; |
| 54 | import java.util.concurrent.atomic.AtomicInteger; |
| 55 | |
| 56 | import static org.slf4j.LoggerFactory.getLogger; |
| 57 | |
| 58 | /** |
| 59 | * Manages inventory of virtual group entries using trivial in-memory implementation. |
| 60 | */ |
| 61 | @Component(immediate = true) |
| 62 | @Service |
| 63 | public class SimpleVirtualGroupStore |
| 64 | extends AbstractVirtualStore<GroupEvent, GroupStoreDelegate> |
| 65 | implements VirtualNetworkGroupStore { |
| 66 | |
| 67 | private final Logger log = getLogger(getClass()); |
| 68 | |
| 69 | private final int dummyId = 0xffffffff; |
| 70 | private final GroupId dummyGroupId = new DefaultGroupId(dummyId); |
| 71 | |
| 72 | // inner Map is per device group table |
| 73 | private final ConcurrentMap<NetworkId, |
| 74 | ConcurrentMap<DeviceId, ConcurrentMap<GroupKey, StoredGroupEntry>>> |
| 75 | groupEntriesByKey = new ConcurrentHashMap<>(); |
| 76 | |
| 77 | private final ConcurrentMap<NetworkId, |
| 78 | ConcurrentMap<DeviceId, ConcurrentMap<GroupId, StoredGroupEntry>>> |
| 79 | groupEntriesById = new ConcurrentHashMap<>(); |
| 80 | |
| 81 | private final ConcurrentMap<NetworkId, |
| 82 | ConcurrentMap<DeviceId, ConcurrentMap<GroupKey, StoredGroupEntry>>> |
| 83 | pendingGroupEntriesByKey = new ConcurrentHashMap<>(); |
| 84 | |
| 85 | private final ConcurrentMap<NetworkId, |
| 86 | ConcurrentMap<DeviceId, ConcurrentMap<GroupId, Group>>> |
| 87 | extraneousGroupEntriesById = new ConcurrentHashMap<>(); |
| 88 | |
| 89 | private final ConcurrentMap<NetworkId, HashMap<DeviceId, Boolean>> |
| 90 | deviceAuditStatus = new ConcurrentHashMap<>(); |
| 91 | |
| 92 | private final AtomicInteger groupIdGen = new AtomicInteger(); |
| 93 | |
| 94 | @Activate |
| 95 | public void activate() { |
| 96 | log.info("Started"); |
| 97 | } |
| 98 | |
| 99 | @Deactivate |
| 100 | public void deactivate() { |
| 101 | groupEntriesByKey.clear(); |
| 102 | groupEntriesById.clear(); |
| 103 | log.info("Stopped"); |
| 104 | } |
| 105 | |
| 106 | /** |
| 107 | * Returns the group key table for specified device. |
| 108 | * |
| 109 | * @param networkId identifier of the virtual network |
| 110 | * @param deviceId identifier of the device |
| 111 | * @return Map representing group key table of given device. |
| 112 | */ |
| 113 | private ConcurrentMap<GroupKey, StoredGroupEntry> |
| 114 | getGroupKeyTable(NetworkId networkId, DeviceId deviceId) { |
| 115 | groupEntriesByKey.computeIfAbsent(networkId, n -> new ConcurrentHashMap<>()); |
| 116 | return groupEntriesByKey.get(networkId) |
| 117 | .computeIfAbsent(deviceId, k -> new ConcurrentHashMap<>()); |
| 118 | } |
| 119 | |
| 120 | /** |
| 121 | * Returns the group id table for specified device. |
| 122 | * |
| 123 | * @param networkId identifier of the virtual network |
| 124 | * @param deviceId identifier of the device |
| 125 | * @return Map representing group key table of given device. |
| 126 | */ |
| 127 | private ConcurrentMap<GroupId, StoredGroupEntry> |
| 128 | getGroupIdTable(NetworkId networkId, DeviceId deviceId) { |
| 129 | groupEntriesById.computeIfAbsent(networkId, n -> new ConcurrentHashMap<>()); |
| 130 | return groupEntriesById.get(networkId) |
| 131 | .computeIfAbsent(deviceId, k -> new ConcurrentHashMap<>()); |
| 132 | } |
| 133 | |
| 134 | /** |
| 135 | * Returns the pending group key table for specified device. |
| 136 | * |
| 137 | * @param networkId identifier of the virtual network |
| 138 | * @param deviceId identifier of the device |
| 139 | * @return Map representing group key table of given device. |
| 140 | */ |
| 141 | private ConcurrentMap<GroupKey, StoredGroupEntry> |
| 142 | getPendingGroupKeyTable(NetworkId networkId, DeviceId deviceId) { |
| 143 | pendingGroupEntriesByKey.computeIfAbsent(networkId, n -> new ConcurrentHashMap<>()); |
| 144 | return pendingGroupEntriesByKey.get(networkId) |
| 145 | .computeIfAbsent(deviceId, k -> new ConcurrentHashMap<>()); |
| 146 | } |
| 147 | |
| 148 | /** |
| 149 | * Returns the extraneous group id table for specified device. |
| 150 | * |
| 151 | * @param networkId identifier of the virtual network |
| 152 | * @param deviceId identifier of the device |
| 153 | * @return Map representing group key table of given device. |
| 154 | */ |
| 155 | private ConcurrentMap<GroupId, Group> |
| 156 | getExtraneousGroupIdTable(NetworkId networkId, DeviceId deviceId) { |
| 157 | extraneousGroupEntriesById.computeIfAbsent(networkId, n -> new ConcurrentHashMap<>()); |
| 158 | return extraneousGroupEntriesById.get(networkId) |
| 159 | .computeIfAbsent(deviceId, k -> new ConcurrentHashMap<>()); |
| 160 | } |
| 161 | |
| 162 | @Override |
| 163 | public int getGroupCount(NetworkId networkId, DeviceId deviceId) { |
| 164 | return (groupEntriesByKey.get(networkId).get(deviceId) != null) ? |
| 165 | groupEntriesByKey.get(networkId).get(deviceId).size() : 0; |
| 166 | } |
| 167 | |
| 168 | @Override |
| 169 | public Iterable<Group> getGroups(NetworkId networkId, DeviceId deviceId) { |
| 170 | // flatten and make iterator unmodifiable |
| 171 | return FluentIterable.from(getGroupKeyTable(networkId, deviceId).values()) |
| 172 | .transform(input -> input); |
| 173 | } |
| 174 | |
| 175 | @Override |
| 176 | public Group getGroup(NetworkId networkId, DeviceId deviceId, GroupKey appCookie) { |
| 177 | if (groupEntriesByKey.get(networkId) != null && |
| 178 | groupEntriesByKey.get(networkId).get(deviceId) != null) { |
| 179 | return groupEntriesByKey.get(networkId).get(deviceId).get(appCookie); |
| 180 | } |
| 181 | return null; |
| 182 | } |
| 183 | |
| 184 | @Override |
| 185 | public Group getGroup(NetworkId networkId, DeviceId deviceId, GroupId groupId) { |
| 186 | if (groupEntriesById.get(networkId) != null && |
| 187 | groupEntriesById.get(networkId).get(deviceId) != null) { |
| 188 | return groupEntriesById.get(networkId).get(deviceId).get(groupId); |
| 189 | } |
| 190 | return null; |
| 191 | } |
| 192 | |
| 193 | private int getFreeGroupIdValue(NetworkId networkId, DeviceId deviceId) { |
| 194 | int freeId = groupIdGen.incrementAndGet(); |
| 195 | |
| 196 | while (true) { |
| 197 | Group existing = null; |
| 198 | if (groupEntriesById.get(networkId) != null && |
| 199 | groupEntriesById.get(networkId).get(deviceId) != null) { |
| 200 | existing = groupEntriesById.get(networkId).get(deviceId) |
| 201 | .get(new DefaultGroupId(freeId)); |
| 202 | } |
| 203 | |
| 204 | if (existing == null) { |
| 205 | if (extraneousGroupEntriesById.get(networkId) != null && |
| 206 | extraneousGroupEntriesById.get(networkId).get(deviceId) != null) { |
| 207 | existing = extraneousGroupEntriesById.get(networkId).get(deviceId) |
| 208 | .get(new DefaultGroupId(freeId)); |
| 209 | } |
| 210 | } |
| 211 | |
| 212 | if (existing != null) { |
| 213 | freeId = groupIdGen.incrementAndGet(); |
| 214 | } else { |
| 215 | break; |
| 216 | } |
| 217 | } |
| 218 | return freeId; |
| 219 | } |
| 220 | |
| 221 | @Override |
| 222 | public void storeGroupDescription(NetworkId networkId, GroupDescription groupDesc) { |
| 223 | // Check if a group is existing with the same key |
| 224 | if (getGroup(networkId, groupDesc.deviceId(), groupDesc.appCookie()) != null) { |
| 225 | return; |
| 226 | } |
| 227 | |
| 228 | if (deviceAuditStatus.get(networkId) == null || |
| 229 | deviceAuditStatus.get(networkId).get(groupDesc.deviceId()) == null) { |
| 230 | // Device group audit has not completed yet |
| 231 | // Add this group description to pending group key table |
| 232 | // Create a group entry object with Dummy Group ID |
| 233 | StoredGroupEntry group = new DefaultGroup(dummyGroupId, groupDesc); |
| 234 | group.setState(Group.GroupState.WAITING_AUDIT_COMPLETE); |
| 235 | ConcurrentMap<GroupKey, StoredGroupEntry> pendingKeyTable = |
| 236 | getPendingGroupKeyTable(networkId, groupDesc.deviceId()); |
| 237 | pendingKeyTable.put(groupDesc.appCookie(), group); |
| 238 | return; |
| 239 | } |
| 240 | |
| 241 | storeGroupDescriptionInternal(networkId, groupDesc); |
| 242 | } |
| 243 | |
| 244 | private void storeGroupDescriptionInternal(NetworkId networkId, |
| 245 | GroupDescription groupDesc) { |
| 246 | // Check if a group is existing with the same key |
| 247 | if (getGroup(networkId, groupDesc.deviceId(), groupDesc.appCookie()) != null) { |
| 248 | return; |
| 249 | } |
| 250 | |
| 251 | GroupId id = null; |
| 252 | if (groupDesc.givenGroupId() == null) { |
| 253 | // Get a new group identifier |
| 254 | id = new DefaultGroupId(getFreeGroupIdValue(networkId, groupDesc.deviceId())); |
| 255 | } else { |
| 256 | id = new DefaultGroupId(groupDesc.givenGroupId()); |
| 257 | } |
| 258 | // Create a group entry object |
| 259 | StoredGroupEntry group = new DefaultGroup(id, groupDesc); |
| 260 | // Insert the newly created group entry into concurrent key and id maps |
| 261 | ConcurrentMap<GroupKey, StoredGroupEntry> keyTable = |
| 262 | getGroupKeyTable(networkId, groupDesc.deviceId()); |
| 263 | keyTable.put(groupDesc.appCookie(), group); |
| 264 | ConcurrentMap<GroupId, StoredGroupEntry> idTable = |
| 265 | getGroupIdTable(networkId, groupDesc.deviceId()); |
| 266 | idTable.put(id, group); |
| 267 | notifyDelegate(networkId, new GroupEvent(GroupEvent.Type.GROUP_ADD_REQUESTED, |
| 268 | group)); |
| 269 | } |
| 270 | |
| 271 | @Override |
| 272 | public void updateGroupDescription(NetworkId networkId, DeviceId deviceId, |
| 273 | GroupKey oldAppCookie, UpdateType type, |
| 274 | GroupBuckets newBuckets, GroupKey newAppCookie) { |
| 275 | // Check if a group is existing with the provided key |
| 276 | Group oldGroup = getGroup(networkId, deviceId, oldAppCookie); |
| 277 | if (oldGroup == null) { |
| 278 | return; |
| 279 | } |
| 280 | |
| 281 | List<GroupBucket> newBucketList = getUpdatedBucketList(oldGroup, |
| 282 | type, |
| 283 | newBuckets); |
| 284 | if (newBucketList != null) { |
| 285 | // Create a new group object from the old group |
| 286 | GroupBuckets updatedBuckets = new GroupBuckets(newBucketList); |
| 287 | GroupKey newCookie = (newAppCookie != null) ? newAppCookie : oldAppCookie; |
| 288 | GroupDescription updatedGroupDesc = new DefaultGroupDescription( |
| 289 | oldGroup.deviceId(), |
| 290 | oldGroup.type(), |
| 291 | updatedBuckets, |
| 292 | newCookie, |
| 293 | oldGroup.givenGroupId(), |
| 294 | oldGroup.appId()); |
| 295 | StoredGroupEntry newGroup = new DefaultGroup(oldGroup.id(), |
| 296 | updatedGroupDesc); |
| 297 | newGroup.setState(Group.GroupState.PENDING_UPDATE); |
| 298 | newGroup.setLife(oldGroup.life()); |
| 299 | newGroup.setPackets(oldGroup.packets()); |
| 300 | newGroup.setBytes(oldGroup.bytes()); |
| 301 | |
| 302 | // Remove the old entry from maps and add new entry using new key |
| 303 | ConcurrentMap<GroupKey, StoredGroupEntry> keyTable = |
| 304 | getGroupKeyTable(networkId, oldGroup.deviceId()); |
| 305 | ConcurrentMap<GroupId, StoredGroupEntry> idTable = |
| 306 | getGroupIdTable(networkId, oldGroup.deviceId()); |
| 307 | keyTable.remove(oldGroup.appCookie()); |
| 308 | idTable.remove(oldGroup.id()); |
| 309 | keyTable.put(newGroup.appCookie(), newGroup); |
| 310 | idTable.put(newGroup.id(), newGroup); |
| 311 | notifyDelegate(networkId, |
| 312 | new GroupEvent(GroupEvent.Type.GROUP_UPDATE_REQUESTED, |
| 313 | newGroup)); |
| 314 | } |
| 315 | |
| 316 | } |
| 317 | |
| 318 | private List<GroupBucket> getUpdatedBucketList(Group oldGroup, |
| 319 | UpdateType type, |
| 320 | GroupBuckets buckets) { |
| 321 | if (type == UpdateType.SET) { |
| 322 | return buckets.buckets(); |
| 323 | } |
| 324 | |
| 325 | List<GroupBucket> oldBuckets = oldGroup.buckets().buckets(); |
| 326 | List<GroupBucket> updatedBucketList = new ArrayList<>(); |
| 327 | boolean groupDescUpdated = false; |
| 328 | |
| 329 | if (type == UpdateType.ADD) { |
| 330 | List<GroupBucket> newBuckets = buckets.buckets(); |
| 331 | |
| 332 | // Add old buckets that will not be updated and check if any will be updated. |
| 333 | for (GroupBucket oldBucket : oldBuckets) { |
| 334 | int newBucketIndex = newBuckets.indexOf(oldBucket); |
| 335 | |
| 336 | if (newBucketIndex != -1) { |
| 337 | GroupBucket newBucket = newBuckets.get(newBucketIndex); |
| 338 | if (!newBucket.hasSameParameters(oldBucket)) { |
| 339 | // Bucket will be updated |
| 340 | groupDescUpdated = true; |
| 341 | } |
| 342 | } else { |
| 343 | // Old bucket will remain the same - add it. |
| 344 | updatedBucketList.add(oldBucket); |
| 345 | } |
| 346 | } |
| 347 | |
| 348 | // Add all new buckets |
| 349 | updatedBucketList.addAll(newBuckets); |
| 350 | if (!oldBuckets.containsAll(newBuckets)) { |
| 351 | groupDescUpdated = true; |
| 352 | } |
| 353 | |
| 354 | } else if (type == UpdateType.REMOVE) { |
| 355 | List<GroupBucket> bucketsToRemove = buckets.buckets(); |
| 356 | |
| 357 | // Check which old buckets should remain |
| 358 | for (GroupBucket oldBucket : oldBuckets) { |
| 359 | if (!bucketsToRemove.contains(oldBucket)) { |
| 360 | updatedBucketList.add(oldBucket); |
| 361 | } else { |
| 362 | groupDescUpdated = true; |
| 363 | } |
| 364 | } |
| 365 | } |
| 366 | |
| 367 | if (groupDescUpdated) { |
| 368 | return updatedBucketList; |
| 369 | } else { |
| 370 | return null; |
| 371 | } |
| 372 | } |
| 373 | |
| 374 | @Override |
| 375 | public void deleteGroupDescription(NetworkId networkId, DeviceId deviceId, |
| 376 | GroupKey appCookie) { |
| 377 | // Check if a group is existing with the provided key |
| 378 | StoredGroupEntry existing = null; |
| 379 | if (groupEntriesByKey.get(networkId) != null && |
| 380 | groupEntriesByKey.get(networkId).get(deviceId) != null) { |
| 381 | existing = groupEntriesByKey.get(networkId).get(deviceId).get(appCookie); |
| 382 | } |
| 383 | |
| 384 | if (existing == null) { |
| 385 | return; |
| 386 | } |
| 387 | |
| 388 | synchronized (existing) { |
| 389 | existing.setState(Group.GroupState.PENDING_DELETE); |
| 390 | } |
| 391 | notifyDelegate(networkId, |
| 392 | new GroupEvent(GroupEvent.Type.GROUP_REMOVE_REQUESTED, existing)); |
| 393 | } |
| 394 | |
| 395 | @Override |
| 396 | public void addOrUpdateGroupEntry(NetworkId networkId, Group group) { |
| 397 | // check if this new entry is an update to an existing entry |
| 398 | StoredGroupEntry existing = null; |
| 399 | |
| 400 | if (groupEntriesById.get(networkId) != null && |
| 401 | groupEntriesById.get(networkId).get(group.deviceId()) != null) { |
| 402 | existing = groupEntriesById |
| 403 | .get(networkId) |
| 404 | .get(group.deviceId()) |
| 405 | .get(group.id()); |
| 406 | } |
| 407 | |
| 408 | GroupEvent event = null; |
| 409 | |
| 410 | if (existing != null) { |
| 411 | synchronized (existing) { |
| 412 | for (GroupBucket bucket:group.buckets().buckets()) { |
| 413 | Optional<GroupBucket> matchingBucket = |
| 414 | existing.buckets().buckets() |
| 415 | .stream() |
| 416 | .filter((existingBucket)->(existingBucket.equals(bucket))) |
| 417 | .findFirst(); |
| 418 | if (matchingBucket.isPresent()) { |
| 419 | ((StoredGroupBucketEntry) matchingBucket. |
| 420 | get()).setPackets(bucket.packets()); |
| 421 | ((StoredGroupBucketEntry) matchingBucket. |
| 422 | get()).setBytes(bucket.bytes()); |
| 423 | } else { |
| 424 | log.warn("addOrUpdateGroupEntry: No matching " |
| 425 | + "buckets to update stats"); |
| 426 | } |
| 427 | } |
| 428 | existing.setLife(group.life()); |
| 429 | existing.setPackets(group.packets()); |
| 430 | existing.setBytes(group.bytes()); |
| 431 | if (existing.state() == Group.GroupState.PENDING_ADD) { |
| 432 | existing.setState(Group.GroupState.ADDED); |
| 433 | event = new GroupEvent(GroupEvent.Type.GROUP_ADDED, existing); |
| 434 | } else { |
| 435 | if (existing.state() == Group.GroupState.PENDING_UPDATE) { |
| 436 | existing.setState(Group.GroupState.ADDED); |
| 437 | } |
| 438 | event = new GroupEvent(GroupEvent.Type.GROUP_UPDATED, existing); |
| 439 | } |
| 440 | } |
| 441 | } |
| 442 | |
| 443 | if (event != null) { |
| 444 | notifyDelegate(networkId, event); |
| 445 | } |
| 446 | } |
| 447 | |
| 448 | @Override |
| 449 | public void removeGroupEntry(NetworkId networkId, Group group) { |
| 450 | StoredGroupEntry existing = null; |
| 451 | if (groupEntriesById.get(networkId) != null |
| 452 | && groupEntriesById.get(networkId).get(group.deviceId()) != null) { |
| 453 | existing = groupEntriesById |
| 454 | .get(networkId).get(group.deviceId()).get(group.id()); |
| 455 | } |
| 456 | |
| 457 | if (existing != null) { |
| 458 | ConcurrentMap<GroupKey, StoredGroupEntry> keyTable = |
| 459 | getGroupKeyTable(networkId, existing.deviceId()); |
| 460 | ConcurrentMap<GroupId, StoredGroupEntry> idTable = |
| 461 | getGroupIdTable(networkId, existing.deviceId()); |
| 462 | idTable.remove(existing.id()); |
| 463 | keyTable.remove(existing.appCookie()); |
| 464 | notifyDelegate(networkId, |
| 465 | new GroupEvent(GroupEvent.Type.GROUP_REMOVED, existing)); |
| 466 | } |
| 467 | } |
| 468 | |
| 469 | @Override |
| 470 | public void purgeGroupEntry(NetworkId networkId, DeviceId deviceId) { |
| 471 | if (groupEntriesById.get(networkId) != null) { |
| 472 | Set<Map.Entry<GroupId, StoredGroupEntry>> entryPendingRemove = |
| 473 | groupEntriesById.get(networkId).get(deviceId).entrySet(); |
| 474 | groupEntriesById.get(networkId).remove(deviceId); |
| 475 | groupEntriesByKey.get(networkId).remove(deviceId); |
| 476 | |
| 477 | entryPendingRemove.forEach(entry -> { |
| 478 | notifyDelegate(networkId, |
| 479 | new GroupEvent(GroupEvent.Type.GROUP_REMOVED, |
| 480 | entry.getValue())); |
| 481 | }); |
| 482 | } |
| 483 | } |
| 484 | |
| 485 | @Override |
| 486 | public void purgeGroupEntries(NetworkId networkId) { |
| 487 | if (groupEntriesById.get(networkId) != null) { |
| 488 | groupEntriesById.get((networkId)).values().forEach(groupEntries -> { |
| 489 | groupEntries.entrySet().forEach(entry -> { |
| 490 | notifyDelegate(networkId, |
| 491 | new GroupEvent(GroupEvent.Type.GROUP_REMOVED, |
| 492 | entry.getValue())); |
| 493 | }); |
| 494 | }); |
| 495 | |
| 496 | groupEntriesById.get(networkId).clear(); |
| 497 | groupEntriesByKey.get(networkId).clear(); |
| 498 | } |
| 499 | } |
| 500 | |
| 501 | @Override |
| 502 | public void addOrUpdateExtraneousGroupEntry(NetworkId networkId, Group group) { |
| 503 | ConcurrentMap<GroupId, Group> extraneousIdTable = |
| 504 | getExtraneousGroupIdTable(networkId, group.deviceId()); |
| 505 | extraneousIdTable.put(group.id(), group); |
| 506 | // Check the reference counter |
| 507 | if (group.referenceCount() == 0) { |
| 508 | notifyDelegate(networkId, |
| 509 | new GroupEvent(GroupEvent.Type.GROUP_REMOVE_REQUESTED, group)); |
| 510 | } |
| 511 | } |
| 512 | |
| 513 | @Override |
| 514 | public void removeExtraneousGroupEntry(NetworkId networkId, Group group) { |
| 515 | ConcurrentMap<GroupId, Group> extraneousIdTable = |
| 516 | getExtraneousGroupIdTable(networkId, group.deviceId()); |
| 517 | extraneousIdTable.remove(group.id()); |
| 518 | } |
| 519 | |
| 520 | @Override |
| 521 | public Iterable<Group> getExtraneousGroups(NetworkId networkId, DeviceId deviceId) { |
| 522 | // flatten and make iterator unmodifiable |
| 523 | return FluentIterable.from( |
| 524 | getExtraneousGroupIdTable(networkId, deviceId).values()); |
| 525 | } |
| 526 | |
| 527 | @Override |
| 528 | public void deviceInitialAuditCompleted(NetworkId networkId, DeviceId deviceId, |
| 529 | boolean completed) { |
| 530 | deviceAuditStatus.computeIfAbsent(networkId, k -> new HashMap<>()); |
| 531 | |
| 532 | HashMap<DeviceId, Boolean> deviceAuditStatusByNetwork = |
| 533 | deviceAuditStatus.get(networkId); |
| 534 | |
| 535 | synchronized (deviceAuditStatusByNetwork) { |
| 536 | if (completed) { |
| 537 | log.debug("deviceInitialAuditCompleted: AUDIT " |
| 538 | + "completed for device {}", deviceId); |
| 539 | deviceAuditStatusByNetwork.put(deviceId, true); |
| 540 | // Execute all pending group requests |
| 541 | ConcurrentMap<GroupKey, StoredGroupEntry> pendingGroupRequests = |
| 542 | getPendingGroupKeyTable(networkId, deviceId); |
| 543 | for (Group group:pendingGroupRequests.values()) { |
| 544 | GroupDescription tmp = new DefaultGroupDescription( |
| 545 | group.deviceId(), |
| 546 | group.type(), |
| 547 | group.buckets(), |
| 548 | group.appCookie(), |
| 549 | group.givenGroupId(), |
| 550 | group.appId()); |
| 551 | storeGroupDescriptionInternal(networkId, tmp); |
| 552 | } |
| 553 | getPendingGroupKeyTable(networkId, deviceId).clear(); |
| 554 | } else { |
| 555 | if (deviceAuditStatusByNetwork.get(deviceId)) { |
| 556 | log.debug("deviceInitialAuditCompleted: Clearing AUDIT " |
| 557 | + "status for device {}", deviceId); |
| 558 | deviceAuditStatusByNetwork.put(deviceId, false); |
| 559 | } |
| 560 | } |
| 561 | } |
| 562 | } |
| 563 | |
| 564 | @Override |
| 565 | public boolean deviceInitialAuditStatus(NetworkId networkId, DeviceId deviceId) { |
| 566 | deviceAuditStatus.computeIfAbsent(networkId, k -> new HashMap<>()); |
| 567 | |
| 568 | HashMap<DeviceId, Boolean> deviceAuditStatusByNetwork = |
| 569 | deviceAuditStatus.get(networkId); |
| 570 | |
| 571 | synchronized (deviceAuditStatusByNetwork) { |
| 572 | return (deviceAuditStatusByNetwork.get(deviceId) != null) |
| 573 | ? deviceAuditStatusByNetwork.get(deviceId) : false; |
| 574 | } |
| 575 | } |
| 576 | |
| 577 | @Override |
| 578 | public void groupOperationFailed(NetworkId networkId, DeviceId deviceId, |
| 579 | GroupOperation operation) { |
| 580 | |
| 581 | StoredGroupEntry existing = null; |
| 582 | if (groupEntriesById.get(networkId) != null && |
| 583 | groupEntriesById.get(networkId).get(deviceId) != null) { |
| 584 | existing = groupEntriesById.get(networkId).get(deviceId) |
| 585 | .get(operation.groupId()); |
| 586 | } |
| 587 | |
| 588 | if (existing == null) { |
| 589 | log.warn("No group entry with ID {} found ", operation.groupId()); |
| 590 | return; |
| 591 | } |
| 592 | |
| 593 | switch (operation.opType()) { |
| 594 | case ADD: |
| 595 | notifyDelegate(networkId, |
| 596 | new GroupEvent(GroupEvent.Type.GROUP_ADD_FAILED, |
| 597 | existing)); |
| 598 | break; |
| 599 | case MODIFY: |
| 600 | notifyDelegate(networkId, |
| 601 | new GroupEvent(GroupEvent.Type.GROUP_UPDATE_FAILED, |
| 602 | existing)); |
| 603 | break; |
| 604 | case DELETE: |
| 605 | notifyDelegate(networkId, |
| 606 | new GroupEvent(GroupEvent.Type.GROUP_REMOVE_FAILED, |
| 607 | existing)); |
| 608 | break; |
| 609 | default: |
| 610 | log.warn("Unknown group operation type {}", operation.opType()); |
| 611 | } |
| 612 | |
| 613 | ConcurrentMap<GroupKey, StoredGroupEntry> keyTable = |
| 614 | getGroupKeyTable(networkId, existing.deviceId()); |
| 615 | ConcurrentMap<GroupId, StoredGroupEntry> idTable = |
| 616 | getGroupIdTable(networkId, existing.deviceId()); |
| 617 | idTable.remove(existing.id()); |
| 618 | keyTable.remove(existing.appCookie()); |
| 619 | } |
| 620 | |
| 621 | @Override |
| 622 | public void pushGroupMetrics(NetworkId networkId, DeviceId deviceId, |
| 623 | Collection<Group> groupEntries) { |
| 624 | boolean deviceInitialAuditStatus = |
| 625 | deviceInitialAuditStatus(networkId, deviceId); |
| 626 | Set<Group> southboundGroupEntries = |
| 627 | Sets.newHashSet(groupEntries); |
| 628 | Set<Group> storedGroupEntries = |
| 629 | Sets.newHashSet(getGroups(networkId, deviceId)); |
| 630 | Set<Group> extraneousStoredEntries = |
| 631 | Sets.newHashSet(getExtraneousGroups(networkId, deviceId)); |
| 632 | |
| 633 | if (log.isTraceEnabled()) { |
| 634 | log.trace("pushGroupMetrics: Displaying all ({}) " |
| 635 | + "southboundGroupEntries for device {}", |
| 636 | southboundGroupEntries.size(), |
| 637 | deviceId); |
| 638 | for (Group group : southboundGroupEntries) { |
| 639 | log.trace("Group {} in device {}", group, deviceId); |
| 640 | } |
| 641 | |
| 642 | log.trace("Displaying all ({}) stored group entries for device {}", |
| 643 | storedGroupEntries.size(), |
| 644 | deviceId); |
| 645 | for (Group group : storedGroupEntries) { |
| 646 | log.trace("Stored Group {} for device {}", group, deviceId); |
| 647 | } |
| 648 | } |
| 649 | |
| 650 | for (Iterator<Group> it2 = southboundGroupEntries.iterator(); it2.hasNext();) { |
| 651 | Group group = it2.next(); |
| 652 | if (storedGroupEntries.remove(group)) { |
| 653 | // we both have the group, let's update some info then. |
| 654 | log.trace("Group AUDIT: group {} exists " |
| 655 | + "in both planes for device {}", |
| 656 | group.id(), deviceId); |
| 657 | groupAdded(networkId, group); |
| 658 | it2.remove(); |
| 659 | } |
| 660 | } |
| 661 | for (Group group : southboundGroupEntries) { |
| 662 | if (getGroup(networkId, group.deviceId(), group.id()) != null) { |
| 663 | // There is a group existing with the same id |
| 664 | // It is possible that group update is |
| 665 | // in progress while we got a stale info from switch |
| 666 | if (!storedGroupEntries.remove(getGroup( |
| 667 | networkId, group.deviceId(), group.id()))) { |
| 668 | log.warn("Group AUDIT: Inconsistent state:" |
| 669 | + "Group exists in ID based table while " |
| 670 | + "not present in key based table"); |
| 671 | } |
| 672 | } else { |
| 673 | // there are groups in the switch that aren't in the store |
| 674 | log.trace("Group AUDIT: extraneous group {} exists " |
| 675 | + "in data plane for device {}", |
| 676 | group.id(), deviceId); |
| 677 | extraneousStoredEntries.remove(group); |
| 678 | extraneousGroup(networkId, group); |
| 679 | } |
| 680 | } |
| 681 | for (Group group : storedGroupEntries) { |
| 682 | // there are groups in the store that aren't in the switch |
| 683 | log.trace("Group AUDIT: group {} missing " |
| 684 | + "in data plane for device {}", |
| 685 | group.id(), deviceId); |
| 686 | groupMissing(networkId, group); |
| 687 | } |
| 688 | for (Group group : extraneousStoredEntries) { |
| 689 | // there are groups in the extraneous store that |
| 690 | // aren't in the switch |
| 691 | log.trace("Group AUDIT: clearing extransoeus group {} " |
| 692 | + "from store for device {}", |
| 693 | group.id(), deviceId); |
| 694 | removeExtraneousGroupEntry(networkId, group); |
| 695 | } |
| 696 | |
| 697 | if (!deviceInitialAuditStatus) { |
| 698 | log.debug("Group AUDIT: Setting device {} initial " |
| 699 | + "AUDIT completed", deviceId); |
| 700 | deviceInitialAuditCompleted(networkId, deviceId, true); |
| 701 | } |
| 702 | } |
| 703 | |
| 704 | @Override |
| 705 | public void notifyOfFailovers(NetworkId networkId, Collection<Group> failoverGroups) { |
| 706 | List<GroupEvent> failoverEvents = new ArrayList<>(); |
| 707 | failoverGroups.forEach(group -> { |
| 708 | if (group.type() == Group.Type.FAILOVER) { |
| 709 | failoverEvents.add(new GroupEvent(GroupEvent.Type.GROUP_BUCKET_FAILOVER, group)); |
| 710 | } |
| 711 | }); |
| 712 | notifyDelegate(networkId, failoverEvents); |
| 713 | } |
| 714 | |
| 715 | private void groupMissing(NetworkId networkId, Group group) { |
| 716 | switch (group.state()) { |
| 717 | case PENDING_DELETE: |
| 718 | log.debug("Group {} delete confirmation from device {} " + |
| 719 | "of virtaual network {}", |
| 720 | group, group.deviceId(), networkId); |
| 721 | removeGroupEntry(networkId, group); |
| 722 | break; |
| 723 | case ADDED: |
| 724 | case PENDING_ADD: |
| 725 | case PENDING_UPDATE: |
| 726 | log.debug("Group {} is in store but not on device {}", |
| 727 | group, group.deviceId()); |
| 728 | StoredGroupEntry existing = null; |
| 729 | if (groupEntriesById.get(networkId) != null && |
| 730 | groupEntriesById.get(networkId).get(group.deviceId()) != null) { |
| 731 | |
| 732 | existing = groupEntriesById.get(networkId) |
| 733 | .get(group.deviceId()).get(group.id()); |
| 734 | } |
| 735 | |
| 736 | log.trace("groupMissing: group " |
| 737 | + "entry {} in device {} moving " |
| 738 | + "from {} to PENDING_ADD", |
| 739 | existing.id(), |
| 740 | existing.deviceId(), |
| 741 | existing.state()); |
| 742 | existing.setState(Group.GroupState.PENDING_ADD); |
| 743 | notifyDelegate(networkId, new GroupEvent(GroupEvent.Type.GROUP_ADD_REQUESTED, |
| 744 | group)); |
| 745 | break; |
| 746 | default: |
| 747 | log.debug("Virtual network {} : Group {} has not been installed.", |
| 748 | networkId, group); |
| 749 | break; |
| 750 | } |
| 751 | } |
| 752 | |
| 753 | private void extraneousGroup(NetworkId networkId, Group group) { |
| 754 | log.debug("Group {} is on device {} of virtual network{}, but not in store.", |
| 755 | group, group.deviceId(), networkId); |
| 756 | addOrUpdateExtraneousGroupEntry(networkId, group); |
| 757 | } |
| 758 | |
| 759 | private void groupAdded(NetworkId networkId, Group group) { |
| 760 | log.trace("Group {} Added or Updated in device {} of virtual network {}", |
| 761 | group, group.deviceId(), networkId); |
| 762 | addOrUpdateGroupEntry(networkId, group); |
| 763 | } |
| 764 | } |