Andrea Campanella | 37f07e4 | 2021-02-16 11:24:39 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016-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.opencord.olt.driver; |
| 17 | |
| 18 | import com.google.common.cache.Cache; |
| 19 | import com.google.common.cache.CacheBuilder; |
| 20 | import com.google.common.cache.RemovalCause; |
| 21 | import com.google.common.cache.RemovalNotification; |
| 22 | import com.google.common.collect.ImmutableList; |
| 23 | import com.google.common.collect.Lists; |
| 24 | import org.apache.commons.lang3.tuple.ImmutablePair; |
| 25 | import org.apache.commons.lang3.tuple.Pair; |
| 26 | import org.onlab.osgi.ServiceDirectory; |
| 27 | import org.onlab.packet.EthType; |
| 28 | import org.onlab.packet.IPv4; |
| 29 | import org.onlab.packet.IPv6; |
| 30 | import org.onlab.packet.IpPrefix; |
| 31 | import org.onlab.packet.VlanId; |
| 32 | import org.onlab.util.AbstractAccumulator; |
| 33 | import org.onlab.util.Accumulator; |
| 34 | import org.onlab.util.KryoNamespace; |
| 35 | import org.onosproject.core.ApplicationId; |
| 36 | import org.onosproject.core.CoreService; |
| 37 | import org.onosproject.net.DeviceId; |
| 38 | import org.onosproject.net.PortNumber; |
| 39 | import org.onosproject.net.behaviour.NextGroup; |
| 40 | import org.onosproject.net.behaviour.Pipeliner; |
| 41 | import org.onosproject.net.behaviour.PipelinerContext; |
| 42 | import org.onosproject.net.driver.AbstractHandlerBehaviour; |
| 43 | import org.onosproject.net.driver.Driver; |
| 44 | import org.onosproject.net.flow.DefaultFlowRule; |
| 45 | import org.onosproject.net.flow.DefaultTrafficSelector; |
| 46 | import org.onosproject.net.flow.DefaultTrafficTreatment; |
| 47 | import org.onosproject.net.flow.FlowRule; |
| 48 | import org.onosproject.net.flow.FlowRuleOperations; |
| 49 | import org.onosproject.net.flow.FlowRuleOperationsContext; |
| 50 | import org.onosproject.net.flow.FlowRuleService; |
| 51 | import org.onosproject.net.flow.TrafficSelector; |
| 52 | import org.onosproject.net.flow.TrafficTreatment; |
| 53 | import org.onosproject.net.flow.criteria.Criteria; |
| 54 | import org.onosproject.net.flow.criteria.Criterion; |
| 55 | import org.onosproject.net.flow.criteria.EthTypeCriterion; |
| 56 | import org.onosproject.net.flow.criteria.IPCriterion; |
| 57 | import org.onosproject.net.flow.criteria.IPProtocolCriterion; |
| 58 | import org.onosproject.net.flow.criteria.PortCriterion; |
| 59 | import org.onosproject.net.flow.criteria.UdpPortCriterion; |
| 60 | import org.onosproject.net.flow.criteria.VlanIdCriterion; |
| 61 | import org.onosproject.net.flow.instructions.Instruction; |
| 62 | import org.onosproject.net.flow.instructions.Instructions; |
| 63 | import org.onosproject.net.flow.instructions.L2ModificationInstruction; |
| 64 | import org.onosproject.net.flowobjective.FilteringObjective; |
| 65 | import org.onosproject.net.flowobjective.FlowObjectiveStore; |
| 66 | import org.onosproject.net.flowobjective.ForwardingObjective; |
| 67 | import org.onosproject.net.flowobjective.NextObjective; |
| 68 | import org.onosproject.net.flowobjective.Objective; |
| 69 | import org.onosproject.net.flowobjective.ObjectiveError; |
| 70 | import org.onosproject.net.group.DefaultGroupBucket; |
| 71 | import org.onosproject.net.group.DefaultGroupDescription; |
| 72 | import org.onosproject.net.group.DefaultGroupKey; |
| 73 | import org.onosproject.net.group.Group; |
| 74 | import org.onosproject.net.group.GroupBucket; |
| 75 | import org.onosproject.net.group.GroupBuckets; |
| 76 | import org.onosproject.net.group.GroupDescription; |
| 77 | import org.onosproject.net.group.GroupEvent; |
| 78 | import org.onosproject.net.group.GroupKey; |
| 79 | import org.onosproject.net.group.GroupListener; |
| 80 | import org.onosproject.net.group.GroupService; |
| 81 | import org.onosproject.store.serializers.KryoNamespaces; |
| 82 | import org.onosproject.store.service.StorageService; |
| 83 | import org.slf4j.Logger; |
| 84 | |
| 85 | import java.util.Arrays; |
| 86 | import java.util.Collection; |
| 87 | import java.util.Collections; |
| 88 | import java.util.List; |
| 89 | import java.util.Objects; |
| 90 | import java.util.Optional; |
| 91 | import java.util.concurrent.ScheduledExecutorService; |
| 92 | import java.util.Timer; |
| 93 | import java.util.concurrent.TimeUnit; |
| 94 | import java.util.stream.Collectors; |
| 95 | |
| 96 | import static org.onosproject.core.CoreService.CORE_APP_NAME; |
yasin sapli | b4b8ee1 | 2021-06-13 18:25:20 +0000 | [diff] [blame] | 97 | import static org.opencord.olt.impl.OsgiPropertyConstants.DOWNSTREAM_OLT; |
| 98 | import static org.opencord.olt.impl.OsgiPropertyConstants.DOWNSTREAM_ONU; |
| 99 | import static org.opencord.olt.impl.OsgiPropertyConstants.UPSTREAM_OLT; |
| 100 | import static org.opencord.olt.impl.OsgiPropertyConstants.UPSTREAM_ONU; |
Andrea Campanella | 37f07e4 | 2021-02-16 11:24:39 +0100 | [diff] [blame] | 101 | import static java.util.concurrent.Executors.newSingleThreadScheduledExecutor; |
| 102 | import static org.onlab.util.Tools.groupedThreads; |
| 103 | import static org.slf4j.LoggerFactory.getLogger; |
| 104 | |
| 105 | /** |
| 106 | * Pipeliner for OLT device. |
| 107 | */ |
| 108 | |
| 109 | public class OltPipeline extends AbstractHandlerBehaviour implements Pipeliner { |
| 110 | |
| 111 | private static final Integer QQ_TABLE = 1; |
| 112 | private static final int NO_ACTION_PRIORITY = 500; |
| 113 | private static final String DOWNSTREAM = "downstream"; |
| 114 | private static final String UPSTREAM = "upstream"; |
| 115 | private final Logger log = getLogger(getClass()); |
| 116 | |
| 117 | private ServiceDirectory serviceDirectory; |
| 118 | private FlowRuleService flowRuleService; |
| 119 | private GroupService groupService; |
| 120 | private CoreService coreService; |
| 121 | private StorageService storageService; |
| 122 | |
| 123 | private DeviceId deviceId; |
| 124 | private ApplicationId appId; |
| 125 | |
| 126 | |
| 127 | protected FlowObjectiveStore flowObjectiveStore; |
| 128 | |
| 129 | private Cache<GroupKey, NextObjective> pendingGroups; |
| 130 | |
| 131 | protected static KryoNamespace appKryo = new KryoNamespace.Builder() |
| 132 | .register(KryoNamespaces.API) |
| 133 | .register(GroupKey.class) |
| 134 | .register(DefaultGroupKey.class) |
| 135 | .register(OltPipelineGroup.class) |
| 136 | .build("OltPipeline"); |
| 137 | |
| 138 | private static final Timer TIMER = new Timer("filterobj-batching"); |
| 139 | private Accumulator<Pair<FilteringObjective, FlowRule>> accumulator; |
| 140 | |
| 141 | // accumulator executor service |
| 142 | private ScheduledExecutorService accumulatorExecutorService |
| 143 | = newSingleThreadScheduledExecutor(groupedThreads("OltPipeliner", "acc-%d", log)); |
| 144 | |
| 145 | @Override |
| 146 | public void init(DeviceId deviceId, PipelinerContext context) { |
| 147 | log.debug("Initiate OLT pipeline"); |
| 148 | this.serviceDirectory = context.directory(); |
| 149 | this.deviceId = deviceId; |
| 150 | |
| 151 | flowRuleService = serviceDirectory.get(FlowRuleService.class); |
| 152 | coreService = serviceDirectory.get(CoreService.class); |
| 153 | groupService = serviceDirectory.get(GroupService.class); |
| 154 | flowObjectiveStore = context.store(); |
| 155 | storageService = serviceDirectory.get(StorageService.class); |
| 156 | |
| 157 | appId = coreService.registerApplication( |
| 158 | "org.onosproject.driver.OLTPipeline"); |
| 159 | |
| 160 | // Init the accumulator, if enabled |
| 161 | if (isAccumulatorEnabled()) { |
| 162 | log.debug("Building accumulator with maxObjs {}, batchMs {}, idleMs {}", |
| 163 | context.accumulatorMaxObjectives(), context.accumulatorMaxBatchMillis(), |
| 164 | context.accumulatorMaxIdleMillis()); |
| 165 | accumulator = new ObjectiveAccumulator(context.accumulatorMaxObjectives(), |
| 166 | context.accumulatorMaxBatchMillis(), |
| 167 | context.accumulatorMaxIdleMillis()); |
Andrea Campanella | 438e1ad | 2021-03-26 11:41:16 +0100 | [diff] [blame] | 168 | } else { |
| 169 | log.debug("Olt Pipeliner accumulator is disabled, processing immediately"); |
Andrea Campanella | 37f07e4 | 2021-02-16 11:24:39 +0100 | [diff] [blame] | 170 | } |
| 171 | |
| 172 | |
| 173 | pendingGroups = CacheBuilder.newBuilder() |
| 174 | .expireAfterWrite(20, TimeUnit.SECONDS) |
| 175 | .removalListener((RemovalNotification<GroupKey, NextObjective> notification) -> { |
| 176 | if (notification.getCause() == RemovalCause.EXPIRED) { |
| 177 | fail(notification.getValue(), ObjectiveError.GROUPINSTALLATIONFAILED); |
| 178 | } |
| 179 | }).build(); |
| 180 | |
| 181 | groupService.addListener(new InnerGroupListener()); |
| 182 | |
| 183 | } |
| 184 | |
| 185 | public boolean isAccumulatorEnabled() { |
| 186 | Driver driver = super.data().driver(); |
| 187 | // we cannot determine the property |
| 188 | if (driver == null) { |
| 189 | return false; |
| 190 | } |
| 191 | return Boolean.parseBoolean(driver.getProperty(ACCUMULATOR_ENABLED)); |
| 192 | } |
| 193 | |
| 194 | @Override |
| 195 | public void filter(FilteringObjective filter) { |
| 196 | Instructions.OutputInstruction output; |
| 197 | |
| 198 | if (filter.meta() != null && !filter.meta().immediate().isEmpty()) { |
| 199 | output = (Instructions.OutputInstruction) filter.meta().immediate().stream() |
| 200 | .filter(t -> t.type().equals(Instruction.Type.OUTPUT)) |
| 201 | .limit(1) |
| 202 | .findFirst().get(); |
| 203 | |
| 204 | if (output == null || !output.port().equals(PortNumber.CONTROLLER)) { |
| 205 | log.warn("OLT can only filter packet to controller"); |
| 206 | fail(filter, ObjectiveError.UNSUPPORTED); |
| 207 | return; |
| 208 | } |
| 209 | } else { |
| 210 | fail(filter, ObjectiveError.BADPARAMS); |
| 211 | return; |
| 212 | } |
| 213 | |
| 214 | if (filter.key().type() != Criterion.Type.IN_PORT) { |
| 215 | fail(filter, ObjectiveError.BADPARAMS); |
| 216 | return; |
| 217 | } |
| 218 | |
| 219 | EthTypeCriterion ethType = (EthTypeCriterion) |
| 220 | filterForCriterion(filter.conditions(), Criterion.Type.ETH_TYPE); |
| 221 | |
| 222 | if (ethType == null) { |
| 223 | fail(filter, ObjectiveError.BADPARAMS); |
| 224 | return; |
| 225 | } |
| 226 | Optional<Instruction> vlanId = filter.meta().immediate().stream() |
| 227 | .filter(t -> t.type().equals(Instruction.Type.L2MODIFICATION) |
| 228 | && ((L2ModificationInstruction) t).subtype() |
| 229 | .equals(L2ModificationInstruction.L2SubType.VLAN_ID)) |
| 230 | .limit(1) |
| 231 | .findFirst(); |
| 232 | |
| 233 | Optional<Instruction> vlanPcp = filter.meta().immediate().stream() |
| 234 | .filter(t -> t.type().equals(Instruction.Type.L2MODIFICATION) |
| 235 | && ((L2ModificationInstruction) t).subtype() |
| 236 | .equals(L2ModificationInstruction.L2SubType.VLAN_PCP)) |
| 237 | .limit(1) |
| 238 | .findFirst(); |
| 239 | |
| 240 | Optional<Instruction> vlanPush = filter.meta().immediate().stream() |
| 241 | .filter(t -> t.type().equals(Instruction.Type.L2MODIFICATION) |
| 242 | && ((L2ModificationInstruction) t).subtype() |
| 243 | .equals(L2ModificationInstruction.L2SubType.VLAN_PUSH)) |
| 244 | .limit(1) |
| 245 | .findFirst(); |
| 246 | |
| 247 | if (ethType.ethType().equals(EthType.EtherType.EAPOL.ethType())) { |
| 248 | |
| 249 | if (vlanId.isEmpty() || vlanPush.isEmpty()) { |
| 250 | log.warn("Missing EAPOL vlan or vlanPush"); |
| 251 | fail(filter, ObjectiveError.BADPARAMS); |
| 252 | return; |
| 253 | } |
| 254 | provisionEthTypeBasedFilter(filter, ethType, output, |
| 255 | (L2ModificationInstruction) vlanId.get(), |
| 256 | (L2ModificationInstruction) vlanPush.get()); |
| 257 | } else if (ethType.ethType().equals(EthType.EtherType.PPPoED.ethType())) { |
| 258 | provisionPPPoED(filter, ethType, vlanId.orElse(null), vlanPcp.orElse(null), output); |
| 259 | } else if (ethType.ethType().equals(EthType.EtherType.LLDP.ethType())) { |
| 260 | provisionEthTypeBasedFilter(filter, ethType, output, null, null); |
| 261 | } else if (ethType.ethType().equals(EthType.EtherType.IPV4.ethType())) { |
| 262 | IPProtocolCriterion ipProto = (IPProtocolCriterion) |
| 263 | filterForCriterion(filter.conditions(), Criterion.Type.IP_PROTO); |
| 264 | if (ipProto == null) { |
| 265 | log.warn("OLT can only filter IGMP and DHCP"); |
| 266 | fail(filter, ObjectiveError.UNSUPPORTED); |
| 267 | return; |
| 268 | } |
| 269 | if (ipProto.protocol() == IPv4.PROTOCOL_IGMP) { |
| 270 | provisionIgmp(filter, ethType, ipProto, output, |
| 271 | vlanId.orElse(null), |
| 272 | vlanPcp.orElse(null)); |
| 273 | } else if (ipProto.protocol() == IPv4.PROTOCOL_UDP) { |
| 274 | UdpPortCriterion udpSrcPort = (UdpPortCriterion) |
| 275 | filterForCriterion(filter.conditions(), Criterion.Type.UDP_SRC); |
| 276 | |
| 277 | UdpPortCriterion udpDstPort = (UdpPortCriterion) |
| 278 | filterForCriterion(filter.conditions(), Criterion.Type.UDP_DST); |
| 279 | |
| 280 | if ((udpSrcPort.udpPort().toInt() == 67 && udpDstPort.udpPort().toInt() == 68) || |
| 281 | (udpSrcPort.udpPort().toInt() == 68 && udpDstPort.udpPort().toInt() == 67)) { |
| 282 | provisionDhcp(filter, ethType, ipProto, udpSrcPort, udpDstPort, vlanId.orElse(null), |
| 283 | vlanPcp.orElse(null), output); |
| 284 | } else { |
| 285 | log.warn("Filtering rule with unsupported UDP src {} or dst {} port", udpSrcPort, udpDstPort); |
| 286 | fail(filter, ObjectiveError.UNSUPPORTED); |
| 287 | } |
| 288 | } else { |
| 289 | log.warn("Currently supporting only IGMP and DHCP filters for IPv4 packets"); |
| 290 | fail(filter, ObjectiveError.UNSUPPORTED); |
| 291 | } |
| 292 | } else if (ethType.ethType().equals(EthType.EtherType.IPV6.ethType())) { |
| 293 | IPProtocolCriterion ipProto = (IPProtocolCriterion) |
| 294 | filterForCriterion(filter.conditions(), Criterion.Type.IP_PROTO); |
| 295 | if (ipProto == null) { |
| 296 | log.warn("OLT can only filter DHCP"); |
| 297 | fail(filter, ObjectiveError.UNSUPPORTED); |
| 298 | return; |
| 299 | } |
| 300 | if (ipProto.protocol() == IPv6.PROTOCOL_UDP) { |
| 301 | UdpPortCriterion udpSrcPort = (UdpPortCriterion) |
| 302 | filterForCriterion(filter.conditions(), Criterion.Type.UDP_SRC); |
| 303 | |
| 304 | UdpPortCriterion udpDstPort = (UdpPortCriterion) |
| 305 | filterForCriterion(filter.conditions(), Criterion.Type.UDP_DST); |
| 306 | |
| 307 | if ((udpSrcPort.udpPort().toInt() == 546 && udpDstPort.udpPort().toInt() == 547) || |
| 308 | (udpSrcPort.udpPort().toInt() == 547 && udpDstPort.udpPort().toInt() == 546)) { |
| 309 | provisionDhcp(filter, ethType, ipProto, udpSrcPort, udpDstPort, vlanId.orElse(null), |
| 310 | vlanPcp.orElse(null), output); |
| 311 | } else { |
| 312 | log.warn("Filtering rule with unsupported UDP src {} or dst {} port", udpSrcPort, udpDstPort); |
| 313 | fail(filter, ObjectiveError.UNSUPPORTED); |
| 314 | } |
| 315 | } else { |
| 316 | log.warn("Currently supporting only DHCP filters for IPv6 packets"); |
| 317 | fail(filter, ObjectiveError.UNSUPPORTED); |
| 318 | } |
| 319 | } else { |
| 320 | log.warn("\nOnly the following are Supported in OLT for filter ->\n" |
| 321 | + "ETH TYPE : EAPOL, LLDP and IPV4\n" |
| 322 | + "IPV4 TYPE: IGMP and UDP (for DHCP)" |
| 323 | + "IPV6 TYPE: UDP (for DHCP)"); |
| 324 | fail(filter, ObjectiveError.UNSUPPORTED); |
| 325 | } |
| 326 | |
| 327 | } |
| 328 | |
| 329 | |
| 330 | @Override |
| 331 | public void forward(ForwardingObjective fwd) { |
| 332 | log.debug("Installing forwarding objective {}", fwd); |
| 333 | if (checkForMulticast(fwd)) { |
| 334 | processMulticastRule(fwd); |
| 335 | return; |
| 336 | } |
| 337 | |
| 338 | TrafficTreatment treatment = fwd.treatment(); |
| 339 | |
| 340 | List<Instruction> instructions = treatment.allInstructions(); |
| 341 | |
| 342 | Optional<Instruction> vlanInstruction = instructions.stream() |
| 343 | .filter(i -> i.type() == Instruction.Type.L2MODIFICATION) |
| 344 | .filter(i -> ((L2ModificationInstruction) i).subtype() == |
| 345 | L2ModificationInstruction.L2SubType.VLAN_PUSH || |
| 346 | ((L2ModificationInstruction) i).subtype() == |
| 347 | L2ModificationInstruction.L2SubType.VLAN_POP) |
| 348 | .findAny(); |
| 349 | |
| 350 | |
| 351 | if (!vlanInstruction.isPresent()) { |
| 352 | installNoModificationRules(fwd); |
| 353 | } else { |
| 354 | L2ModificationInstruction vlanIns = |
| 355 | (L2ModificationInstruction) vlanInstruction.get(); |
| 356 | if (vlanIns.subtype() == L2ModificationInstruction.L2SubType.VLAN_PUSH) { |
| 357 | installUpstreamRules(fwd); |
| 358 | } else if (vlanIns.subtype() == L2ModificationInstruction.L2SubType.VLAN_POP) { |
| 359 | installDownstreamRules(fwd); |
| 360 | } else { |
| 361 | log.error("Unknown OLT operation: {}", fwd); |
| 362 | fail(fwd, ObjectiveError.UNSUPPORTED); |
| 363 | return; |
| 364 | } |
| 365 | } |
| 366 | |
| 367 | pass(fwd); |
| 368 | |
| 369 | } |
| 370 | |
| 371 | |
| 372 | @Override |
| 373 | public void next(NextObjective nextObjective) { |
| 374 | if (nextObjective.type() != NextObjective.Type.BROADCAST) { |
| 375 | log.error("OLT only supports broadcast groups."); |
| 376 | fail(nextObjective, ObjectiveError.BADPARAMS); |
| 377 | return; |
| 378 | } |
| 379 | |
| 380 | if (nextObjective.next().size() != 1 && !nextObjective.op().equals(Objective.Operation.REMOVE)) { |
| 381 | log.error("OLT only supports singleton broadcast groups."); |
| 382 | fail(nextObjective, ObjectiveError.BADPARAMS); |
| 383 | return; |
| 384 | } |
| 385 | |
| 386 | Optional<TrafficTreatment> treatmentOpt = nextObjective.next().stream().findFirst(); |
| 387 | if (treatmentOpt.isEmpty() && !nextObjective.op().equals(Objective.Operation.REMOVE)) { |
| 388 | log.error("Next objective {} does not have a treatment", nextObjective); |
| 389 | fail(nextObjective, ObjectiveError.BADPARAMS); |
| 390 | return; |
| 391 | } |
| 392 | |
| 393 | GroupKey key = new DefaultGroupKey(appKryo.serialize(nextObjective.id())); |
| 394 | |
| 395 | pendingGroups.put(key, nextObjective); |
| 396 | log.trace("NextObjective Operation {}", nextObjective.op()); |
| 397 | switch (nextObjective.op()) { |
| 398 | case ADD: |
| 399 | GroupDescription groupDesc = |
| 400 | new DefaultGroupDescription(deviceId, |
| 401 | GroupDescription.Type.ALL, |
| 402 | new GroupBuckets( |
| 403 | Collections.singletonList( |
| 404 | buildBucket(treatmentOpt.get()))), |
| 405 | key, |
| 406 | null, |
| 407 | nextObjective.appId()); |
| 408 | groupService.addGroup(groupDesc); |
| 409 | break; |
| 410 | case REMOVE: |
| 411 | groupService.removeGroup(deviceId, key, nextObjective.appId()); |
| 412 | break; |
| 413 | case ADD_TO_EXISTING: |
| 414 | groupService.addBucketsToGroup(deviceId, key, |
| 415 | new GroupBuckets( |
| 416 | Collections.singletonList( |
| 417 | buildBucket(treatmentOpt.get()))), |
| 418 | key, nextObjective.appId()); |
| 419 | break; |
| 420 | case REMOVE_FROM_EXISTING: |
| 421 | groupService.removeBucketsFromGroup(deviceId, key, |
| 422 | new GroupBuckets( |
| 423 | Collections.singletonList( |
| 424 | buildBucket(treatmentOpt.get()))), |
| 425 | key, nextObjective.appId()); |
| 426 | break; |
| 427 | default: |
| 428 | log.warn("Unknown next objective operation: {}", nextObjective.op()); |
| 429 | } |
| 430 | |
| 431 | |
| 432 | } |
| 433 | |
| 434 | private GroupBucket buildBucket(TrafficTreatment treatment) { |
| 435 | return DefaultGroupBucket.createAllGroupBucket(treatment); |
| 436 | } |
| 437 | |
| 438 | private void processMulticastRule(ForwardingObjective fwd) { |
| 439 | if (fwd.nextId() == null) { |
| 440 | log.error("Multicast objective does not have a next id"); |
| 441 | fail(fwd, ObjectiveError.BADPARAMS); |
| 442 | } |
| 443 | |
| 444 | GroupKey key = getGroupForNextObjective(fwd.nextId()); |
| 445 | |
| 446 | if (key == null) { |
| 447 | log.error("Group for forwarding objective missing: {}", fwd); |
| 448 | fail(fwd, ObjectiveError.GROUPMISSING); |
| 449 | } |
| 450 | |
| 451 | Group group = groupService.getGroup(deviceId, key); |
| 452 | TrafficTreatment treatment = |
| 453 | buildTreatment(Instructions.createGroup(group.id())); |
| 454 | |
| 455 | TrafficSelector.Builder selectorBuilder = buildIpv4SelectorForMulticast(fwd); |
| 456 | |
| 457 | FlowRule rule = DefaultFlowRule.builder() |
| 458 | .fromApp(fwd.appId()) |
| 459 | .forDevice(deviceId) |
| 460 | .forTable(0) |
| 461 | .makePermanent() |
| 462 | .withPriority(fwd.priority()) |
| 463 | .withSelector(selectorBuilder.build()) |
| 464 | .withTreatment(treatment) |
| 465 | .build(); |
| 466 | |
| 467 | FlowRuleOperations.Builder builder = FlowRuleOperations.builder(); |
| 468 | switch (fwd.op()) { |
| 469 | |
| 470 | case ADD: |
| 471 | builder.add(rule); |
| 472 | break; |
| 473 | case REMOVE: |
| 474 | builder.remove(rule); |
| 475 | break; |
| 476 | case ADD_TO_EXISTING: |
| 477 | case REMOVE_FROM_EXISTING: |
| 478 | break; |
| 479 | default: |
| 480 | log.warn("Unknown forwarding operation: {}", fwd.op()); |
| 481 | } |
| 482 | |
| 483 | applyFlowRules(ImmutableList.of(fwd), builder); |
| 484 | |
| 485 | |
| 486 | } |
| 487 | |
| 488 | private TrafficSelector.Builder buildIpv4SelectorForMulticast(ForwardingObjective fwd) { |
| 489 | TrafficSelector.Builder builderToUpdate = DefaultTrafficSelector.builder(); |
| 490 | |
| 491 | Optional<Criterion> vlanIdCriterion = readFromSelector(fwd.meta(), Criterion.Type.VLAN_VID); |
| 492 | if (vlanIdCriterion.isPresent()) { |
| 493 | VlanId assignedVlan = ((VlanIdCriterion) vlanIdCriterion.get()).vlanId(); |
| 494 | builderToUpdate.matchVlanId(assignedVlan); |
| 495 | } |
| 496 | |
| 497 | Optional<Criterion> innerVlanIdCriterion = readFromSelector(fwd.meta(), Criterion.Type.INNER_VLAN_VID); |
| 498 | if (innerVlanIdCriterion.isPresent()) { |
| 499 | VlanId assignedInnerVlan = ((VlanIdCriterion) innerVlanIdCriterion.get()).vlanId(); |
| 500 | builderToUpdate.matchMetadata(assignedInnerVlan.toShort()); |
| 501 | } |
| 502 | |
| 503 | Optional<Criterion> ethTypeCriterion = readFromSelector(fwd.selector(), Criterion.Type.ETH_TYPE); |
| 504 | if (ethTypeCriterion.isPresent()) { |
| 505 | EthType ethType = ((EthTypeCriterion) ethTypeCriterion.get()).ethType(); |
| 506 | builderToUpdate.matchEthType(ethType.toShort()); |
| 507 | } |
| 508 | |
| 509 | Optional<Criterion> ipv4DstCriterion = readFromSelector(fwd.selector(), Criterion.Type.IPV4_DST); |
| 510 | if (ipv4DstCriterion.isPresent()) { |
| 511 | IpPrefix ipv4Dst = ((IPCriterion) ipv4DstCriterion.get()).ip(); |
| 512 | builderToUpdate.matchIPDst(ipv4Dst); |
| 513 | } |
| 514 | |
| 515 | return builderToUpdate; |
| 516 | } |
| 517 | |
| 518 | static Optional<Criterion> readFromSelector(TrafficSelector selector, Criterion.Type type) { |
| 519 | if (selector == null) { |
| 520 | return Optional.empty(); |
| 521 | } |
| 522 | Criterion criterion = selector.getCriterion(type); |
| 523 | return (criterion == null) |
| 524 | ? Optional.empty() : Optional.of(criterion); |
| 525 | } |
| 526 | |
| 527 | private boolean checkForMulticast(ForwardingObjective fwd) { |
| 528 | |
| 529 | IPCriterion ip = (IPCriterion) filterForCriterion(fwd.selector().criteria(), |
| 530 | Criterion.Type.IPV4_DST); |
| 531 | |
| 532 | if (ip == null) { |
| 533 | return false; |
| 534 | } |
| 535 | |
| 536 | return ip.ip().isMulticast(); |
| 537 | |
| 538 | } |
| 539 | |
| 540 | private GroupKey getGroupForNextObjective(Integer nextId) { |
| 541 | NextGroup next = flowObjectiveStore.getNextGroup(nextId); |
| 542 | return appKryo.deserialize(next.data()); |
| 543 | |
| 544 | } |
| 545 | |
| 546 | private void installNoModificationRules(ForwardingObjective fwd) { |
| 547 | Instructions.OutputInstruction output = (Instructions.OutputInstruction) fetchOutput(fwd, DOWNSTREAM); |
| 548 | Instructions.MetadataInstruction writeMetadata = fetchWriteMetadata(fwd); |
yasin sapli | b4b8ee1 | 2021-06-13 18:25:20 +0000 | [diff] [blame] | 549 | Instructions.MeterInstruction meter = fwd.treatment().metered(); |
Andrea Campanella | 37f07e4 | 2021-02-16 11:24:39 +0100 | [diff] [blame] | 550 | |
| 551 | TrafficSelector selector = fwd.selector(); |
| 552 | |
| 553 | Criterion inport = selector.getCriterion(Criterion.Type.IN_PORT); |
| 554 | Criterion outerVlan = selector.getCriterion(Criterion.Type.VLAN_VID); |
| 555 | Criterion innerVlan = selector.getCriterion(Criterion.Type.INNER_VLAN_VID); |
| 556 | |
| 557 | if (inport == null || output == null || innerVlan == null || outerVlan == null) { |
| 558 | // Avoid logging a non-error from lldp, bbdp and eapol core flows. |
| 559 | if (!fwd.appId().name().equals(CORE_APP_NAME)) { |
| 560 | log.error("Forwarding objective is underspecified: {}", fwd); |
| 561 | } else { |
| 562 | log.debug("Not installing unsupported core generated flow {}", fwd); |
| 563 | } |
| 564 | fail(fwd, ObjectiveError.BADPARAMS); |
| 565 | return; |
| 566 | } |
| 567 | |
| 568 | |
| 569 | FlowRule.Builder outer = DefaultFlowRule.builder() |
| 570 | .fromApp(fwd.appId()) |
| 571 | .forDevice(deviceId) |
| 572 | .makePermanent() |
| 573 | .withPriority(fwd.priority()) |
| 574 | .withSelector(buildSelector(inport, outerVlan)) |
| 575 | .withTreatment(buildTreatment(output, writeMetadata, meter)); |
| 576 | |
| 577 | applyRules(fwd, outer); |
| 578 | } |
| 579 | |
| 580 | private void installDownstreamRules(ForwardingObjective fwd) { |
| 581 | Instructions.OutputInstruction output = (Instructions.OutputInstruction) fetchOutput(fwd, DOWNSTREAM); |
| 582 | |
| 583 | if (output == null) { |
| 584 | return; |
| 585 | } |
| 586 | |
| 587 | TrafficSelector selector = fwd.selector(); |
| 588 | |
| 589 | Criterion outerVlan = selector.getCriterion(Criterion.Type.VLAN_VID); |
| 590 | Criterion outerPbit = selector.getCriterion(Criterion.Type.VLAN_PCP); |
| 591 | Criterion innerVlanCriterion = selector.getCriterion(Criterion.Type.INNER_VLAN_VID); |
| 592 | Criterion inport = selector.getCriterion(Criterion.Type.IN_PORT); |
| 593 | Criterion dstMac = selector.getCriterion(Criterion.Type.ETH_DST); |
| 594 | |
| 595 | if (outerVlan == null || innerVlanCriterion == null || inport == null) { |
| 596 | // Avoid logging a non-error from lldp, bbdp and eapol core flows. |
| 597 | if (!fwd.appId().name().equals(CORE_APP_NAME)) { |
| 598 | log.error("Forwarding objective is underspecified: {}", fwd); |
| 599 | } else { |
| 600 | log.debug("Not installing unsupported core generated flow {}", fwd); |
| 601 | } |
| 602 | fail(fwd, ObjectiveError.BADPARAMS); |
| 603 | return; |
| 604 | } |
| 605 | |
| 606 | VlanId innerVlan = ((VlanIdCriterion) innerVlanCriterion).vlanId(); |
| 607 | Criterion innerVid = Criteria.matchVlanId(innerVlan); |
| 608 | |
| 609 | // In the case where the C-tag is the same for all the subscribers, |
| 610 | // we add a metadata with the outport in the selector to make the flow unique |
| 611 | Criterion innerSelectorMeta = Criteria.matchMetadata(output.port().toLong()); |
| 612 | |
| 613 | if (innerVlan.toShort() == VlanId.ANY_VALUE) { |
| 614 | TrafficSelector outerSelector = buildSelector(inport, outerVlan, outerPbit, dstMac); |
| 615 | installDownstreamRulesForAnyVlan(fwd, output, outerSelector, |
| 616 | buildSelector(inport, |
| 617 | Criteria.matchVlanId(VlanId.ANY), |
| 618 | innerSelectorMeta)); |
| 619 | } else { |
| 620 | // Required to differentiate the same match flows |
| 621 | // Please note that S tag and S p bit values will be same for the same service - so conflict flows! |
| 622 | // Metadata match criteria solves the conflict issue - but not used by the voltha |
| 623 | // Maybe - find a better way to solve the above problem |
| 624 | Criterion metadata = Criteria.matchMetadata(innerVlan.toShort()); |
| 625 | TrafficSelector outerSelector = buildSelector(inport, metadata, outerVlan, outerPbit, dstMac); |
| 626 | installDownstreamRulesForVlans(fwd, output, outerSelector, buildSelector(inport, innerVid, |
| 627 | innerSelectorMeta)); |
| 628 | } |
| 629 | } |
| 630 | |
| 631 | private void installDownstreamRulesForVlans(ForwardingObjective fwd, Instruction output, |
| 632 | TrafficSelector outerSelector, TrafficSelector innerSelector) { |
| 633 | |
yasin sapli | b4b8ee1 | 2021-06-13 18:25:20 +0000 | [diff] [blame] | 634 | Instruction onuDsMeter = fetchMeterById(fwd, fwd.annotations().value(DOWNSTREAM_ONU)); |
| 635 | Instruction oltDsMeter = fetchMeterById(fwd, fwd.annotations().value(DOWNSTREAM_OLT)); |
| 636 | |
Andrea Campanella | 37f07e4 | 2021-02-16 11:24:39 +0100 | [diff] [blame] | 637 | List<Pair<Instruction, Instruction>> vlanOps = |
| 638 | vlanOps(fwd, |
| 639 | L2ModificationInstruction.L2SubType.VLAN_POP); |
| 640 | |
| 641 | if (vlanOps == null || vlanOps.isEmpty()) { |
| 642 | return; |
| 643 | } |
| 644 | |
| 645 | Pair<Instruction, Instruction> popAndRewrite = vlanOps.remove(0); |
| 646 | |
| 647 | TrafficTreatment innerTreatment; |
| 648 | VlanId setVlanId = ((L2ModificationInstruction.ModVlanIdInstruction) popAndRewrite.getRight()).vlanId(); |
| 649 | if (VlanId.NONE.equals(setVlanId)) { |
yasin sapli | b4b8ee1 | 2021-06-13 18:25:20 +0000 | [diff] [blame] | 650 | innerTreatment = (buildTreatment(popAndRewrite.getLeft(), onuDsMeter, |
| 651 | writeMetadataIncludingOnlyTp(fwd), output)); |
Andrea Campanella | 37f07e4 | 2021-02-16 11:24:39 +0100 | [diff] [blame] | 652 | } else { |
| 653 | innerTreatment = (buildTreatment(popAndRewrite.getRight(), |
yasin sapli | b4b8ee1 | 2021-06-13 18:25:20 +0000 | [diff] [blame] | 654 | onuDsMeter, writeMetadataIncludingOnlyTp(fwd), output)); |
Andrea Campanella | 37f07e4 | 2021-02-16 11:24:39 +0100 | [diff] [blame] | 655 | } |
| 656 | |
| 657 | List<Instruction> setVlanPcps = findL2Instructions(L2ModificationInstruction.L2SubType.VLAN_PCP, |
| 658 | fwd.treatment().allInstructions()); |
| 659 | |
| 660 | Instruction innerPbitSet = null; |
| 661 | |
| 662 | if (setVlanPcps != null && !setVlanPcps.isEmpty()) { |
| 663 | innerPbitSet = setVlanPcps.get(0); |
| 664 | } |
| 665 | |
| 666 | VlanId remarkInnerVlan = null; |
| 667 | Optional<Criterion> vlanIdCriterion = readFromSelector(innerSelector, Criterion.Type.VLAN_VID); |
| 668 | if (vlanIdCriterion.isPresent()) { |
| 669 | remarkInnerVlan = ((VlanIdCriterion) vlanIdCriterion.get()).vlanId(); |
| 670 | } |
| 671 | |
| 672 | Instruction modVlanId = null; |
| 673 | if (innerPbitSet != null) { |
| 674 | modVlanId = Instructions.modVlanId(remarkInnerVlan); |
| 675 | } |
| 676 | |
| 677 | //match: in port (nni), s-tag |
| 678 | //action: pop vlan (s-tag), write metadata, go to table 1, meter |
| 679 | FlowRule.Builder outer = DefaultFlowRule.builder() |
| 680 | .fromApp(fwd.appId()) |
| 681 | .forDevice(deviceId) |
| 682 | .makePermanent() |
| 683 | .withPriority(fwd.priority()) |
| 684 | .withSelector(outerSelector) |
| 685 | .withTreatment(buildTreatment(popAndRewrite.getLeft(), modVlanId, |
yasin sapli | b4b8ee1 | 2021-06-13 18:25:20 +0000 | [diff] [blame] | 686 | innerPbitSet, oltDsMeter, |
Andrea Campanella | 37f07e4 | 2021-02-16 11:24:39 +0100 | [diff] [blame] | 687 | fetchWriteMetadata(fwd), |
| 688 | Instructions.transition(QQ_TABLE))); |
| 689 | |
| 690 | //match: in port (nni), c-tag |
| 691 | //action: immediate: write metadata and pop, meter, output |
| 692 | FlowRule.Builder inner = DefaultFlowRule.builder() |
| 693 | .fromApp(fwd.appId()) |
| 694 | .forDevice(deviceId) |
| 695 | .forTable(QQ_TABLE) |
| 696 | .makePermanent() |
| 697 | .withPriority(fwd.priority()) |
| 698 | .withSelector(innerSelector) |
| 699 | .withTreatment(innerTreatment); |
| 700 | applyRules(fwd, inner, outer); |
| 701 | } |
| 702 | |
| 703 | private void installDownstreamRulesForAnyVlan(ForwardingObjective fwd, Instruction output, |
| 704 | TrafficSelector outerSelector, TrafficSelector innerSelector) { |
| 705 | |
yasin sapli | b4b8ee1 | 2021-06-13 18:25:20 +0000 | [diff] [blame] | 706 | Instruction onuDsMeter = fetchMeterById(fwd, fwd.annotations().value(DOWNSTREAM_ONU)); |
| 707 | Instruction oltDsMeter = fetchMeterById(fwd, fwd.annotations().value(DOWNSTREAM_OLT)); |
| 708 | |
Andrea Campanella | 37f07e4 | 2021-02-16 11:24:39 +0100 | [diff] [blame] | 709 | //match: in port (nni), s-tag |
| 710 | //action: immediate: write metadata, pop vlan, meter and go to table 1 |
| 711 | FlowRule.Builder outer = DefaultFlowRule.builder() |
| 712 | .fromApp(fwd.appId()) |
| 713 | .forDevice(deviceId) |
| 714 | .makePermanent() |
| 715 | .withPriority(fwd.priority()) |
| 716 | .withSelector(outerSelector) |
yasin sapli | b4b8ee1 | 2021-06-13 18:25:20 +0000 | [diff] [blame] | 717 | .withTreatment(buildTreatment(Instructions.popVlan(), oltDsMeter, |
Andrea Campanella | 37f07e4 | 2021-02-16 11:24:39 +0100 | [diff] [blame] | 718 | fetchWriteMetadata(fwd), Instructions.transition(QQ_TABLE))); |
| 719 | |
| 720 | //match: in port (nni) and s-tag |
| 721 | //action: immediate : write metadata, meter and output |
| 722 | FlowRule.Builder inner = DefaultFlowRule.builder() |
| 723 | .fromApp(fwd.appId()) |
| 724 | .forDevice(deviceId) |
| 725 | .forTable(QQ_TABLE) |
| 726 | .makePermanent() |
| 727 | .withPriority(fwd.priority()) |
| 728 | .withSelector(innerSelector) |
yasin sapli | b4b8ee1 | 2021-06-13 18:25:20 +0000 | [diff] [blame] | 729 | .withTreatment(buildTreatment(onuDsMeter, writeMetadataIncludingOnlyTp(fwd), output)); |
Andrea Campanella | 37f07e4 | 2021-02-16 11:24:39 +0100 | [diff] [blame] | 730 | |
| 731 | applyRules(fwd, inner, outer); |
| 732 | } |
| 733 | |
| 734 | private void installUpstreamRules(ForwardingObjective fwd) { |
| 735 | List<Pair<Instruction, Instruction>> vlanOps = |
| 736 | vlanOps(fwd, |
| 737 | L2ModificationInstruction.L2SubType.VLAN_PUSH); |
| 738 | |
| 739 | if (vlanOps == null || vlanOps.isEmpty()) { |
| 740 | return; |
| 741 | } |
| 742 | |
| 743 | Instruction output = fetchOutput(fwd, UPSTREAM); |
| 744 | |
| 745 | if (output == null) { |
| 746 | return; |
| 747 | } |
| 748 | |
| 749 | Pair<Instruction, Instruction> outerPair = vlanOps.remove(0); |
| 750 | |
| 751 | boolean noneValueVlanStatus = checkNoneVlanCriteria(fwd); |
| 752 | boolean anyValueVlanStatus = checkAnyVlanMatchCriteria(fwd); |
| 753 | |
| 754 | if (anyValueVlanStatus) { |
| 755 | installUpstreamRulesForAnyVlan(fwd, output, outerPair); |
| 756 | } else { |
| 757 | Pair<Instruction, Instruction> innerPair = outerPair; |
| 758 | outerPair = vlanOps.remove(0); |
| 759 | installUpstreamRulesForVlans(fwd, output, innerPair, outerPair, noneValueVlanStatus); |
| 760 | } |
| 761 | } |
| 762 | |
| 763 | private void installUpstreamRulesForVlans(ForwardingObjective fwd, Instruction output, |
| 764 | Pair<Instruction, Instruction> innerPair, |
| 765 | Pair<Instruction, Instruction> outerPair, Boolean noneValueVlanStatus) { |
| 766 | |
yasin sapli | b4b8ee1 | 2021-06-13 18:25:20 +0000 | [diff] [blame] | 767 | Instruction onuUsMeter = fetchMeterById(fwd, fwd.annotations().value(UPSTREAM_ONU)); |
| 768 | Instruction oltUsMeter = fetchMeterById(fwd, fwd.annotations().value(UPSTREAM_OLT)); |
| 769 | |
Andrea Campanella | 37f07e4 | 2021-02-16 11:24:39 +0100 | [diff] [blame] | 770 | List<Instruction> setVlanPcps = findL2Instructions(L2ModificationInstruction.L2SubType.VLAN_PCP, |
| 771 | fwd.treatment().allInstructions()); |
| 772 | |
| 773 | Instruction innerPbitSet = null; |
| 774 | Instruction outerPbitSet = null; |
| 775 | |
| 776 | if (setVlanPcps != null && !setVlanPcps.isEmpty()) { |
| 777 | innerPbitSet = setVlanPcps.get(0); |
| 778 | outerPbitSet = setVlanPcps.get(1); |
| 779 | } |
| 780 | |
| 781 | TrafficTreatment innerTreatment; |
| 782 | if (noneValueVlanStatus) { |
yasin sapli | b4b8ee1 | 2021-06-13 18:25:20 +0000 | [diff] [blame] | 783 | innerTreatment = buildTreatment(innerPair.getLeft(), innerPair.getRight(), onuUsMeter, |
Andrea Campanella | 37f07e4 | 2021-02-16 11:24:39 +0100 | [diff] [blame] | 784 | fetchWriteMetadata(fwd), innerPbitSet, |
| 785 | Instructions.transition(QQ_TABLE)); |
| 786 | } else { |
yasin sapli | b4b8ee1 | 2021-06-13 18:25:20 +0000 | [diff] [blame] | 787 | innerTreatment = buildTreatment(innerPair.getRight(), onuUsMeter, fetchWriteMetadata(fwd), |
Andrea Campanella | 37f07e4 | 2021-02-16 11:24:39 +0100 | [diff] [blame] | 788 | innerPbitSet, Instructions.transition(QQ_TABLE)); |
| 789 | } |
| 790 | |
| 791 | //match: in port, vlanId (0 or None) |
| 792 | //action: |
| 793 | //if vlanId None, push & set c-tag go to table 1 |
| 794 | //if vlanId 0 or any specific vlan, set c-tag, write metadata, meter and go to table 1 |
| 795 | FlowRule.Builder inner = DefaultFlowRule.builder() |
| 796 | .fromApp(fwd.appId()) |
| 797 | .forDevice(deviceId) |
| 798 | .makePermanent() |
| 799 | .withPriority(fwd.priority()) |
| 800 | .withSelector(fwd.selector()) |
| 801 | .withTreatment(innerTreatment); |
| 802 | |
| 803 | PortCriterion inPort = (PortCriterion) |
| 804 | fwd.selector().getCriterion(Criterion.Type.IN_PORT); |
| 805 | |
| 806 | VlanId cVlanId = ((L2ModificationInstruction.ModVlanIdInstruction) |
| 807 | innerPair.getRight()).vlanId(); |
| 808 | |
| 809 | //match: in port, c-tag |
| 810 | //action: immediate: push s-tag, write metadata, meter and output |
| 811 | FlowRule.Builder outer = DefaultFlowRule.builder() |
| 812 | .fromApp(fwd.appId()) |
| 813 | .forDevice(deviceId) |
| 814 | .forTable(QQ_TABLE) |
| 815 | .makePermanent() |
| 816 | .withPriority(fwd.priority()) |
| 817 | .withTreatment(buildTreatment(outerPair.getLeft(), outerPair.getRight(), |
yasin sapli | b4b8ee1 | 2021-06-13 18:25:20 +0000 | [diff] [blame] | 818 | oltUsMeter, writeMetadataIncludingOnlyTp(fwd), |
| 819 | outerPbitSet, output)); |
Andrea Campanella | 37f07e4 | 2021-02-16 11:24:39 +0100 | [diff] [blame] | 820 | |
| 821 | if (innerPbitSet != null) { |
| 822 | byte innerPbit = ((L2ModificationInstruction.ModVlanPcpInstruction) |
| 823 | innerPbitSet).vlanPcp(); |
| 824 | outer.withSelector(buildSelector(inPort, Criteria.matchVlanId(cVlanId), Criteria.matchVlanPcp(innerPbit))); |
| 825 | } else { |
| 826 | outer.withSelector(buildSelector(inPort, Criteria.matchVlanId(cVlanId))); |
| 827 | } |
| 828 | |
| 829 | applyRules(fwd, inner, outer); |
| 830 | } |
| 831 | |
| 832 | private void installUpstreamRulesForAnyVlan(ForwardingObjective fwd, Instruction output, |
| 833 | Pair<Instruction, Instruction> outerPair) { |
| 834 | |
| 835 | log.debug("Installing upstream rules for any value vlan"); |
yasin sapli | b4b8ee1 | 2021-06-13 18:25:20 +0000 | [diff] [blame] | 836 | Instruction onuUsMeter = fetchMeterById(fwd, fwd.annotations().value(UPSTREAM_ONU)); |
| 837 | Instruction oltUsMeter = fetchMeterById(fwd, fwd.annotations().value(UPSTREAM_OLT)); |
Andrea Campanella | 37f07e4 | 2021-02-16 11:24:39 +0100 | [diff] [blame] | 838 | |
| 839 | //match: in port and any-vlan (coming from OLT app.) |
| 840 | //action: write metadata, go to table 1 and meter |
| 841 | FlowRule.Builder inner = DefaultFlowRule.builder() |
| 842 | .fromApp(fwd.appId()) |
| 843 | .forDevice(deviceId) |
| 844 | .makePermanent() |
| 845 | .withPriority(fwd.priority()) |
| 846 | .withSelector(fwd.selector()) |
yasin sapli | b4b8ee1 | 2021-06-13 18:25:20 +0000 | [diff] [blame] | 847 | .withTreatment(buildTreatment(Instructions.transition(QQ_TABLE), onuUsMeter, fetchWriteMetadata(fwd))); |
Andrea Campanella | 37f07e4 | 2021-02-16 11:24:39 +0100 | [diff] [blame] | 848 | |
| 849 | //match: in port and any-vlan (coming from OLT app.) |
| 850 | //action: immediate: push:QinQ, vlanId (s-tag), write metadata, meter and output |
| 851 | FlowRule.Builder outer = DefaultFlowRule.builder() |
| 852 | .fromApp(fwd.appId()) |
| 853 | .forDevice(deviceId) |
| 854 | .forTable(QQ_TABLE) |
| 855 | .makePermanent() |
| 856 | .withPriority(fwd.priority()) |
| 857 | .withSelector(fwd.selector()) |
| 858 | .withTreatment(buildTreatment(outerPair.getLeft(), outerPair.getRight(), |
yasin sapli | b4b8ee1 | 2021-06-13 18:25:20 +0000 | [diff] [blame] | 859 | oltUsMeter, writeMetadataIncludingOnlyTp(fwd), output)); |
Andrea Campanella | 37f07e4 | 2021-02-16 11:24:39 +0100 | [diff] [blame] | 860 | |
| 861 | applyRules(fwd, inner, outer); |
| 862 | } |
| 863 | |
| 864 | private boolean checkNoneVlanCriteria(ForwardingObjective fwd) { |
| 865 | // Add the VLAN_PUSH treatment if we're matching on VlanId.NONE |
| 866 | Criterion vlanMatchCriterion = filterForCriterion(fwd.selector().criteria(), Criterion.Type.VLAN_VID); |
| 867 | boolean noneValueVlanStatus = false; |
| 868 | if (vlanMatchCriterion != null) { |
| 869 | noneValueVlanStatus = ((VlanIdCriterion) vlanMatchCriterion).vlanId().equals(VlanId.NONE); |
| 870 | } |
| 871 | return noneValueVlanStatus; |
| 872 | } |
| 873 | |
| 874 | private boolean checkAnyVlanMatchCriteria(ForwardingObjective fwd) { |
| 875 | Criterion anyValueVlanCriterion = fwd.selector().criteria().stream() |
| 876 | .filter(c -> c.type().equals(Criterion.Type.VLAN_VID)) |
| 877 | .filter(vc -> ((VlanIdCriterion) vc).vlanId().toShort() == VlanId.ANY_VALUE) |
| 878 | .findAny().orElse(null); |
| 879 | |
| 880 | if (anyValueVlanCriterion == null) { |
| 881 | log.debug("Any value vlan match criteria is not found, criteria {}", |
| 882 | fwd.selector().criteria()); |
| 883 | return false; |
| 884 | } |
| 885 | |
| 886 | return true; |
| 887 | } |
| 888 | |
| 889 | private Instruction fetchOutput(ForwardingObjective fwd, String direction) { |
| 890 | Instruction output = fwd.treatment().allInstructions().stream() |
| 891 | .filter(i -> i.type() == Instruction.Type.OUTPUT) |
| 892 | .findFirst().orElse(null); |
| 893 | |
| 894 | if (output == null) { |
| 895 | log.error("OLT {} rule has no output", direction); |
| 896 | fail(fwd, ObjectiveError.BADPARAMS); |
| 897 | return null; |
| 898 | } |
| 899 | return output; |
| 900 | } |
| 901 | |
yasin sapli | b4b8ee1 | 2021-06-13 18:25:20 +0000 | [diff] [blame] | 902 | private Instruction fetchMeterById(ForwardingObjective fwd, String meterId) { |
| 903 | Optional<Instructions.MeterInstruction> meter = fwd.treatment().meters().stream() |
| 904 | .filter(meterInstruction -> meterInstruction.meterId().toString().equals(meterId)).findAny(); |
| 905 | if (meter.isEmpty()) { |
| 906 | log.debug("Meter instruction is not found for the meterId: {} ", meterId); |
Andrea Campanella | 37f07e4 | 2021-02-16 11:24:39 +0100 | [diff] [blame] | 907 | return null; |
| 908 | } |
yasin sapli | b4b8ee1 | 2021-06-13 18:25:20 +0000 | [diff] [blame] | 909 | log.debug("Meter instruction is found for the meterId: {} ", meterId); |
| 910 | return meter.get(); |
Andrea Campanella | 37f07e4 | 2021-02-16 11:24:39 +0100 | [diff] [blame] | 911 | } |
| 912 | |
| 913 | private Instructions.MetadataInstruction fetchWriteMetadata(ForwardingObjective fwd) { |
| 914 | Instructions.MetadataInstruction writeMetadata = fwd.treatment().writeMetadata(); |
| 915 | |
| 916 | if (writeMetadata == null) { |
| 917 | log.warn("Write metadata is not found for the forwarding obj"); |
| 918 | fail(fwd, ObjectiveError.BADPARAMS); |
| 919 | return null; |
| 920 | } |
| 921 | |
| 922 | log.debug("Write metadata is found {}", writeMetadata); |
| 923 | return writeMetadata; |
| 924 | } |
| 925 | |
| 926 | private List<Pair<Instruction, Instruction>> vlanOps(ForwardingObjective fwd, |
| 927 | L2ModificationInstruction.L2SubType type) { |
| 928 | |
| 929 | List<Pair<Instruction, Instruction>> vlanOps = findVlanOps( |
| 930 | fwd.treatment().allInstructions(), type); |
| 931 | |
| 932 | if (vlanOps == null || vlanOps.isEmpty()) { |
| 933 | String direction = type == L2ModificationInstruction.L2SubType.VLAN_POP |
| 934 | ? DOWNSTREAM : UPSTREAM; |
| 935 | log.error("Missing vlan operations in {} forwarding: {}", direction, fwd); |
| 936 | fail(fwd, ObjectiveError.BADPARAMS); |
| 937 | return ImmutableList.of(); |
| 938 | } |
| 939 | return vlanOps; |
| 940 | } |
| 941 | |
| 942 | |
| 943 | private List<Pair<Instruction, Instruction>> findVlanOps(List<Instruction> instructions, |
| 944 | L2ModificationInstruction.L2SubType type) { |
| 945 | |
| 946 | List<Instruction> vlanOperations = findL2Instructions( |
| 947 | type, |
| 948 | instructions); |
| 949 | List<Instruction> vlanSets = findL2Instructions( |
| 950 | L2ModificationInstruction.L2SubType.VLAN_ID, |
| 951 | instructions); |
| 952 | |
| 953 | if (vlanOperations.size() != vlanSets.size()) { |
| 954 | return ImmutableList.of(); |
| 955 | } |
| 956 | |
| 957 | List<Pair<Instruction, Instruction>> pairs = Lists.newArrayList(); |
| 958 | |
| 959 | for (int i = 0; i < vlanOperations.size(); i++) { |
| 960 | pairs.add(new ImmutablePair<>(vlanOperations.get(i), vlanSets.get(i))); |
| 961 | } |
| 962 | return pairs; |
| 963 | } |
| 964 | |
| 965 | private List<Instruction> findL2Instructions(L2ModificationInstruction.L2SubType subType, |
| 966 | List<Instruction> actions) { |
| 967 | return actions.stream() |
| 968 | .filter(i -> i.type() == Instruction.Type.L2MODIFICATION) |
| 969 | .filter(i -> ((L2ModificationInstruction) i).subtype() == subType) |
| 970 | .collect(Collectors.toList()); |
| 971 | } |
| 972 | |
| 973 | private void provisionEthTypeBasedFilter(FilteringObjective filter, |
| 974 | EthTypeCriterion ethType, |
| 975 | Instructions.OutputInstruction output, |
| 976 | L2ModificationInstruction vlanId, |
| 977 | L2ModificationInstruction vlanPush) { |
| 978 | |
| 979 | Instruction meter = filter.meta().metered(); |
| 980 | Instruction writeMetadata = filter.meta().writeMetadata(); |
| 981 | |
| 982 | TrafficSelector selector = buildSelector(filter.key(), ethType); |
| 983 | TrafficTreatment treatment; |
| 984 | |
| 985 | if (vlanPush == null || vlanId == null) { |
| 986 | treatment = buildTreatment(output, meter, writeMetadata); |
| 987 | } else { |
| 988 | // we need to push the vlan because it came untagged (ATT) |
| 989 | treatment = buildTreatment(output, meter, vlanPush, vlanId, writeMetadata); |
| 990 | } |
| 991 | |
| 992 | buildAndApplyRule(filter, selector, treatment); |
| 993 | |
| 994 | } |
| 995 | |
| 996 | private void provisionIgmp(FilteringObjective filter, EthTypeCriterion ethType, |
| 997 | IPProtocolCriterion ipProto, |
| 998 | Instructions.OutputInstruction output, |
| 999 | Instruction vlan, Instruction pcp) { |
| 1000 | |
| 1001 | Instruction meter = filter.meta().metered(); |
| 1002 | Instruction writeMetadata = filter.meta().writeMetadata(); |
| 1003 | |
| 1004 | // uniTagMatch |
| 1005 | VlanIdCriterion vlanId = (VlanIdCriterion) filterForCriterion(filter.conditions(), |
| 1006 | Criterion.Type.VLAN_VID); |
| 1007 | |
| 1008 | TrafficSelector selector = buildSelector(filter.key(), ethType, ipProto, vlanId); |
| 1009 | TrafficTreatment treatment = buildTreatment(output, vlan, pcp, meter, writeMetadata); |
| 1010 | buildAndApplyRule(filter, selector, treatment); |
| 1011 | } |
| 1012 | |
| 1013 | private void provisionDhcp(FilteringObjective filter, EthTypeCriterion ethType, |
| 1014 | IPProtocolCriterion ipProto, |
| 1015 | UdpPortCriterion udpSrcPort, |
| 1016 | UdpPortCriterion udpDstPort, |
| 1017 | Instruction vlanIdInstruction, |
| 1018 | Instruction vlanPcpInstruction, |
| 1019 | Instructions.OutputInstruction output) { |
| 1020 | |
| 1021 | Instruction meter = filter.meta().metered(); |
| 1022 | Instruction writeMetadata = filter.meta().writeMetadata(); |
| 1023 | |
| 1024 | VlanIdCriterion matchVlanId = (VlanIdCriterion) |
| 1025 | filterForCriterion(filter.conditions(), Criterion.Type.VLAN_VID); |
| 1026 | |
| 1027 | TrafficSelector selector; |
| 1028 | TrafficTreatment treatment; |
| 1029 | |
| 1030 | if (matchVlanId != null) { |
| 1031 | log.debug("Building selector with match VLAN, {}", matchVlanId); |
| 1032 | // in case of TT upstream the packet comes tagged and the vlan is swapped. |
| 1033 | selector = buildSelector(filter.key(), ethType, ipProto, udpSrcPort, |
| 1034 | udpDstPort, matchVlanId); |
| 1035 | treatment = buildTreatment(output, meter, writeMetadata, |
| 1036 | vlanIdInstruction, vlanPcpInstruction); |
| 1037 | } else { |
| 1038 | log.debug("Building selector with no VLAN"); |
| 1039 | // in case of ATT upstream the packet comes in untagged and we need to push the vlan |
| 1040 | selector = buildSelector(filter.key(), ethType, ipProto, udpSrcPort, udpDstPort); |
| 1041 | treatment = buildTreatment(output, meter, vlanIdInstruction, writeMetadata); |
| 1042 | } |
| 1043 | //In case of downstream there will be no match on the VLAN, which is null, |
| 1044 | // so it will just be output, meter, writeMetadata |
| 1045 | |
| 1046 | buildAndApplyRule(filter, selector, treatment); |
| 1047 | } |
| 1048 | |
| 1049 | private void provisionPPPoED(FilteringObjective filter, EthTypeCriterion ethType, |
| 1050 | Instruction vlanIdInstruction, |
| 1051 | Instruction vlanPcpInstruction, |
| 1052 | Instructions.OutputInstruction output) { |
| 1053 | Instruction meter = filter.meta().metered(); |
| 1054 | Instruction writeMetadata = filter.meta().writeMetadata(); |
| 1055 | |
| 1056 | VlanIdCriterion matchVlanId = (VlanIdCriterion) |
| 1057 | filterForCriterion(filter.conditions(), Criterion.Type.VLAN_VID); |
| 1058 | |
| 1059 | TrafficSelector selector; |
| 1060 | TrafficTreatment treatment; |
| 1061 | |
| 1062 | if (matchVlanId != null) { |
| 1063 | log.debug("Building pppoed selector with match VLAN {}.", matchVlanId); |
| 1064 | } else { |
| 1065 | log.debug("Building pppoed selector without match VLAN."); |
| 1066 | } |
| 1067 | |
| 1068 | selector = buildSelector(filter.key(), ethType, matchVlanId); |
| 1069 | treatment = buildTreatment(output, meter, writeMetadata, vlanIdInstruction, vlanPcpInstruction); |
| 1070 | buildAndApplyRule(filter, selector, treatment); |
| 1071 | } |
| 1072 | |
| 1073 | private void buildAndApplyRule(FilteringObjective filter, TrafficSelector selector, |
| 1074 | TrafficTreatment treatment) { |
| 1075 | FlowRule rule = DefaultFlowRule.builder() |
| 1076 | .fromApp(filter.appId()) |
| 1077 | .forDevice(deviceId) |
| 1078 | .forTable(0) |
| 1079 | .makePermanent() |
| 1080 | .withSelector(selector) |
| 1081 | .withTreatment(treatment) |
| 1082 | .withPriority(filter.priority()) |
| 1083 | .build(); |
| 1084 | |
| 1085 | if (accumulator != null) { |
| 1086 | if (log.isDebugEnabled()) { |
| 1087 | log.debug("Adding pair to batch: {}", Pair.of(filter, rule)); |
| 1088 | } |
| 1089 | accumulator.add(Pair.of(filter, rule)); |
| 1090 | } else { |
| 1091 | FlowRuleOperations.Builder opsBuilder = FlowRuleOperations.builder(); |
| 1092 | switch (filter.type()) { |
| 1093 | case PERMIT: |
| 1094 | opsBuilder.add(rule); |
| 1095 | break; |
| 1096 | case DENY: |
| 1097 | opsBuilder.remove(rule); |
| 1098 | break; |
| 1099 | default: |
| 1100 | log.warn("Unknown filter type : {}", filter.type()); |
| 1101 | fail(filter, ObjectiveError.UNSUPPORTED); |
| 1102 | } |
| 1103 | applyFlowRules(ImmutableList.of(filter), opsBuilder); |
| 1104 | } |
| 1105 | } |
| 1106 | |
| 1107 | private void applyRules(ForwardingObjective fwd, FlowRule.Builder... fwdBuilders) { |
| 1108 | FlowRuleOperations.Builder builder = FlowRuleOperations.builder(); |
| 1109 | switch (fwd.op()) { |
| 1110 | case ADD: |
| 1111 | for (FlowRule.Builder fwdBuilder : fwdBuilders) { |
| 1112 | builder.add(fwdBuilder.build()); |
| 1113 | } |
| 1114 | break; |
| 1115 | case REMOVE: |
| 1116 | for (FlowRule.Builder fwdBuilder : fwdBuilders) { |
| 1117 | builder.remove(fwdBuilder.build()); |
| 1118 | } |
| 1119 | break; |
| 1120 | case ADD_TO_EXISTING: |
| 1121 | break; |
| 1122 | case REMOVE_FROM_EXISTING: |
| 1123 | break; |
| 1124 | default: |
| 1125 | log.warn("Unknown forwarding operation: {}", fwd.op()); |
| 1126 | } |
| 1127 | |
| 1128 | applyFlowRules(ImmutableList.of(fwd), builder); |
| 1129 | |
| 1130 | |
| 1131 | } |
| 1132 | |
| 1133 | private void applyFlowRules(List<Objective> objectives, FlowRuleOperations.Builder builder) { |
| 1134 | flowRuleService.apply(builder.build(new FlowRuleOperationsContext() { |
| 1135 | @Override |
| 1136 | public void onSuccess(FlowRuleOperations ops) { |
| 1137 | objectives.forEach(obj -> { |
| 1138 | pass(obj); |
| 1139 | }); |
| 1140 | } |
| 1141 | |
| 1142 | @Override |
| 1143 | public void onError(FlowRuleOperations ops) { |
| 1144 | objectives.forEach(obj -> { |
| 1145 | fail(obj, ObjectiveError.FLOWINSTALLATIONFAILED); |
| 1146 | }); |
| 1147 | |
| 1148 | } |
| 1149 | })); |
| 1150 | } |
| 1151 | |
| 1152 | // Builds the batch using the accumulated flow rules |
| 1153 | private void sendFilters(List<Pair<FilteringObjective, FlowRule>> pairs) { |
| 1154 | FlowRuleOperations.Builder flowOpsBuilder = FlowRuleOperations.builder(); |
Matteo Scandolo | aa2adde | 2021-09-13 12:45:32 -0700 | [diff] [blame] | 1155 | if (log.isDebugEnabled()) { |
| 1156 | log.debug("Sending batch of {} filter-objs", pairs.size()); |
| 1157 | } |
Andrea Campanella | 37f07e4 | 2021-02-16 11:24:39 +0100 | [diff] [blame] | 1158 | List<Objective> filterObjs = Lists.newArrayList(); |
| 1159 | // Iterates over all accumulated flow rules and then build an unique batch |
| 1160 | pairs.forEach(pair -> { |
| 1161 | FilteringObjective filter = pair.getLeft(); |
| 1162 | FlowRule rule = pair.getRight(); |
| 1163 | switch (filter.type()) { |
| 1164 | case PERMIT: |
| 1165 | flowOpsBuilder.add(rule); |
Matteo Scandolo | aa2adde | 2021-09-13 12:45:32 -0700 | [diff] [blame] | 1166 | if (log.isTraceEnabled()) { |
| 1167 | log.trace("Applying add filter-obj {} to device: {}", filter.id(), deviceId); |
| 1168 | } |
Andrea Campanella | 37f07e4 | 2021-02-16 11:24:39 +0100 | [diff] [blame] | 1169 | filterObjs.add(filter); |
| 1170 | break; |
| 1171 | case DENY: |
| 1172 | flowOpsBuilder.remove(rule); |
Matteo Scandolo | aa2adde | 2021-09-13 12:45:32 -0700 | [diff] [blame] | 1173 | if (log.isTraceEnabled()) { |
| 1174 | log.trace("Deleting flow rule {} from device: {}", rule, deviceId); |
| 1175 | } |
Andrea Campanella | 37f07e4 | 2021-02-16 11:24:39 +0100 | [diff] [blame] | 1176 | filterObjs.add(filter); |
| 1177 | break; |
| 1178 | default: |
| 1179 | fail(filter, ObjectiveError.UNKNOWN); |
| 1180 | log.warn("Unknown forwarding type {}", filter.type()); |
| 1181 | } |
| 1182 | }); |
| 1183 | if (log.isDebugEnabled()) { |
| 1184 | log.debug("Applying batch {}", flowOpsBuilder.build()); |
| 1185 | } |
| 1186 | // Finally applies the operations |
| 1187 | applyFlowRules(filterObjs, flowOpsBuilder); |
| 1188 | } |
| 1189 | |
| 1190 | private Criterion filterForCriterion(Collection<Criterion> criteria, Criterion.Type type) { |
| 1191 | return criteria.stream() |
| 1192 | .filter(c -> c.type().equals(type)) |
| 1193 | .limit(1) |
| 1194 | .findFirst().orElse(null); |
| 1195 | } |
| 1196 | |
| 1197 | private TrafficSelector buildSelector(Criterion... criteria) { |
| 1198 | |
| 1199 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder(); |
| 1200 | |
| 1201 | Arrays.stream(criteria).filter(Objects::nonNull).forEach(sBuilder::add); |
| 1202 | |
| 1203 | return sBuilder.build(); |
| 1204 | } |
| 1205 | |
| 1206 | private TrafficTreatment buildTreatment(Instruction... instructions) { |
| 1207 | |
| 1208 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
| 1209 | |
| 1210 | Arrays.stream(instructions).filter(Objects::nonNull).forEach(tBuilder::add); |
| 1211 | |
| 1212 | return tBuilder.build(); |
| 1213 | } |
| 1214 | |
| 1215 | private Instruction writeMetadataIncludingOnlyTp(ForwardingObjective fwd) { |
| 1216 | |
| 1217 | return Instructions.writeMetadata( |
| 1218 | fetchWriteMetadata(fwd).metadata() & 0xFFFF00000000L, 0L); |
| 1219 | } |
| 1220 | |
| 1221 | private void fail(Objective obj, ObjectiveError error) { |
| 1222 | obj.context().ifPresent(context -> context.onError(obj, error)); |
| 1223 | } |
| 1224 | |
| 1225 | private void pass(Objective obj) { |
| 1226 | obj.context().ifPresent(context -> context.onSuccess(obj)); |
| 1227 | } |
| 1228 | |
| 1229 | |
| 1230 | private class InnerGroupListener implements GroupListener { |
| 1231 | @Override |
| 1232 | public void event(GroupEvent event) { |
| 1233 | GroupKey key = event.subject().appCookie(); |
| 1234 | NextObjective obj = pendingGroups.getIfPresent(key); |
| 1235 | if (obj == null) { |
Andrea Campanella | 438e1ad | 2021-03-26 11:41:16 +0100 | [diff] [blame] | 1236 | if (log.isTraceEnabled()) { |
| 1237 | log.trace("No pending group for {}, moving on", key); |
| 1238 | } |
Andrea Campanella | 37f07e4 | 2021-02-16 11:24:39 +0100 | [diff] [blame] | 1239 | return; |
| 1240 | } |
Andrea Campanella | 438e1ad | 2021-03-26 11:41:16 +0100 | [diff] [blame] | 1241 | log.debug("Event {} for group {}, handling pending" + |
Andrea Campanella | 37f07e4 | 2021-02-16 11:24:39 +0100 | [diff] [blame] | 1242 | "NextGroup {}", event.type(), key, obj.id()); |
| 1243 | if (event.type() == GroupEvent.Type.GROUP_ADDED || |
| 1244 | event.type() == GroupEvent.Type.GROUP_UPDATED) { |
| 1245 | flowObjectiveStore.putNextGroup(obj.id(), new OltPipelineGroup(key)); |
Andrea Campanella | 37f07e4 | 2021-02-16 11:24:39 +0100 | [diff] [blame] | 1246 | pendingGroups.invalidate(key); |
Esin Karaman | d106e52 | 2021-03-15 14:08:48 +0000 | [diff] [blame] | 1247 | pass(obj); |
Andrea Campanella | 37f07e4 | 2021-02-16 11:24:39 +0100 | [diff] [blame] | 1248 | } else if (event.type() == GroupEvent.Type.GROUP_REMOVED) { |
| 1249 | flowObjectiveStore.removeNextGroup(obj.id()); |
Andrea Campanella | 37f07e4 | 2021-02-16 11:24:39 +0100 | [diff] [blame] | 1250 | pendingGroups.invalidate(key); |
Esin Karaman | d106e52 | 2021-03-15 14:08:48 +0000 | [diff] [blame] | 1251 | pass(obj); |
Andrea Campanella | 37f07e4 | 2021-02-16 11:24:39 +0100 | [diff] [blame] | 1252 | } |
| 1253 | } |
| 1254 | } |
| 1255 | |
| 1256 | private static class OltPipelineGroup implements NextGroup { |
| 1257 | |
| 1258 | private final GroupKey key; |
| 1259 | |
| 1260 | public OltPipelineGroup(GroupKey key) { |
| 1261 | this.key = key; |
| 1262 | } |
| 1263 | |
| 1264 | public GroupKey key() { |
| 1265 | return key; |
| 1266 | } |
| 1267 | |
| 1268 | @Override |
| 1269 | public byte[] data() { |
| 1270 | return appKryo.serialize(key); |
| 1271 | } |
| 1272 | |
| 1273 | } |
| 1274 | |
| 1275 | @Override |
| 1276 | public List<String> getNextMappings(NextGroup nextGroup) { |
| 1277 | // TODO Implementation deferred to vendor |
| 1278 | return null; |
| 1279 | } |
| 1280 | |
| 1281 | // Flow rules accumulator for reducing the number of transactions required to the devices. |
| 1282 | private final class ObjectiveAccumulator |
| 1283 | extends AbstractAccumulator<Pair<FilteringObjective, FlowRule>> { |
| 1284 | |
| 1285 | ObjectiveAccumulator(int maxFilter, int maxBatchMS, int maxIdleMS) { |
| 1286 | super(TIMER, maxFilter, maxBatchMS, maxIdleMS); |
| 1287 | } |
| 1288 | |
| 1289 | @Override |
| 1290 | public void processItems(List<Pair<FilteringObjective, FlowRule>> pairs) { |
| 1291 | // Triggers creation of a batch using the list of flowrules generated from objs. |
| 1292 | accumulatorExecutorService.execute(new FlowRulesBuilderTask(pairs)); |
| 1293 | } |
| 1294 | } |
| 1295 | |
| 1296 | // Task for building batch of flow rules in a separate thread. |
| 1297 | private final class FlowRulesBuilderTask implements Runnable { |
| 1298 | private final List<Pair<FilteringObjective, FlowRule>> pairs; |
| 1299 | |
| 1300 | FlowRulesBuilderTask(List<Pair<FilteringObjective, FlowRule>> pairs) { |
| 1301 | this.pairs = pairs; |
| 1302 | } |
| 1303 | |
| 1304 | @Override |
| 1305 | public void run() { |
| 1306 | try { |
| 1307 | sendFilters(pairs); |
| 1308 | } catch (Exception e) { |
| 1309 | log.warn("Unable to send objectives", e); |
| 1310 | } |
| 1311 | } |
| 1312 | } |
| 1313 | } |