David K. Bainbridge | d77028f | 2017-08-01 12:47:55 -0700 | [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 | */ |
ke han | 81a38b9 | 2017-03-10 18:41:44 +0800 | [diff] [blame] | 16 | package org.opencord.igmpproxy; |
| 17 | |
| 18 | import com.google.common.collect.Maps; |
| 19 | import org.apache.felix.scr.annotations.Activate; |
| 20 | import org.apache.felix.scr.annotations.Component; |
| 21 | import org.apache.felix.scr.annotations.Deactivate; |
| 22 | import org.apache.felix.scr.annotations.Reference; |
| 23 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
| 24 | import org.onlab.packet.EthType; |
| 25 | import org.onlab.packet.Ethernet; |
| 26 | import org.onlab.packet.IGMP; |
| 27 | import org.onlab.packet.IGMPGroup; |
| 28 | import org.onlab.packet.IGMPMembership; |
| 29 | import org.onlab.packet.IGMPQuery; |
| 30 | import org.onlab.packet.IPv4; |
| 31 | import org.onlab.packet.Ip4Address; |
| 32 | import org.onlab.packet.IpAddress; |
| 33 | import org.onlab.packet.VlanId; |
| 34 | import org.onosproject.core.ApplicationId; |
| 35 | import org.onosproject.core.CoreService; |
| 36 | import org.onosproject.incubator.net.config.basics.McastConfig; |
| 37 | import org.onosproject.mastership.MastershipService; |
| 38 | import org.onosproject.net.AnnotationKeys; |
| 39 | import org.onosproject.net.ConnectPoint; |
| 40 | import org.onosproject.net.DeviceId; |
| 41 | import org.onosproject.net.Port; |
| 42 | import org.onosproject.net.PortNumber; |
| 43 | import org.onosproject.net.config.ConfigFactory; |
| 44 | import org.onosproject.net.config.NetworkConfigEvent; |
| 45 | import org.onosproject.net.config.NetworkConfigListener; |
| 46 | import org.onosproject.net.config.NetworkConfigRegistry; |
| 47 | import org.onosproject.net.config.basics.SubjectFactories; |
| 48 | import org.onosproject.net.device.DeviceEvent; |
| 49 | import org.onosproject.net.device.DeviceListener; |
| 50 | import org.onosproject.net.device.DeviceService; |
| 51 | import org.onosproject.net.flow.DefaultTrafficTreatment; |
| 52 | import org.onosproject.net.flow.FlowRuleService; |
| 53 | import org.onosproject.net.flow.criteria.Criteria; |
| 54 | import org.onosproject.net.flowobjective.DefaultFilteringObjective; |
| 55 | import org.onosproject.net.flowobjective.FilteringObjective; |
| 56 | import org.onosproject.net.flowobjective.FlowObjectiveService; |
| 57 | import org.onosproject.net.flowobjective.Objective; |
| 58 | import org.onosproject.net.flowobjective.ObjectiveContext; |
| 59 | import org.onosproject.net.flowobjective.ObjectiveError; |
| 60 | import org.onosproject.net.mcast.McastRoute; |
| 61 | import org.onosproject.net.mcast.MulticastRouteService; |
| 62 | import org.onosproject.net.packet.InboundPacket; |
| 63 | import org.onosproject.net.packet.PacketContext; |
| 64 | import org.onosproject.net.packet.PacketProcessor; |
| 65 | import org.onosproject.net.packet.PacketService; |
| 66 | import org.opencord.cordconfig.access.AccessDeviceConfig; |
| 67 | import org.opencord.cordconfig.access.AccessDeviceData; |
| 68 | import org.slf4j.Logger; |
| 69 | import org.slf4j.LoggerFactory; |
| 70 | |
| 71 | import java.util.ArrayList; |
| 72 | import java.util.Collection; |
| 73 | import java.util.Iterator; |
| 74 | import java.util.List; |
| 75 | import java.util.Map; |
| 76 | import java.util.Set; |
| 77 | import java.util.TimerTask; |
| 78 | import java.util.concurrent.ConcurrentHashMap; |
| 79 | import java.util.concurrent.Executors; |
| 80 | import java.util.concurrent.ScheduledExecutorService; |
| 81 | import java.util.concurrent.TimeUnit; |
| 82 | |
| 83 | /** |
| 84 | * Igmp process application, use proxy mode, support first join/ last leave , fast leave |
| 85 | * period query and keep alive, packet out igmp message to uplink port features. |
| 86 | */ |
| 87 | @Component(immediate = true) |
| 88 | public class IgmpManager { |
| 89 | |
| 90 | private static final Class<AccessDeviceConfig> CONFIG_CLASS = |
| 91 | AccessDeviceConfig.class; |
| 92 | private static final Class<IgmpproxyConfig> IGMPPROXY_CONFIG_CLASS = |
| 93 | IgmpproxyConfig.class; |
| 94 | private static final Class<IgmpproxySsmTranslateConfig> IGMPPROXY_SSM_CONFIG_CLASS = |
| 95 | IgmpproxySsmTranslateConfig.class; |
| 96 | private static final Class<McastConfig> MCAST_CONFIG_CLASS = |
| 97 | McastConfig.class; |
| 98 | public static Map<String, GroupMember> groupMemberMap = Maps.newConcurrentMap(); |
| 99 | private static ApplicationId appId; |
| 100 | private static Map<DeviceId, AccessDeviceData> oltData = new ConcurrentHashMap<>(); |
| 101 | private static int unSolicitedTimeout = 3; // unit is 1 sec |
| 102 | private static int keepAliveCount = 3; |
| 103 | private static int lastQueryInterval = 2; //unit is 1 sec |
| 104 | private static int lastQueryCount = 2; |
| 105 | private static boolean fastLeave = true; |
| 106 | private static boolean withRAUplink = true; |
| 107 | private static boolean withRADownlink = false; |
| 108 | private static boolean periodicQuery = true; |
| 109 | private static short mvlan = 4000; |
| 110 | private static byte igmpCos = 7; |
| 111 | public static boolean connectPointMode = true; |
| 112 | public static ConnectPoint connectPoint = null; |
| 113 | |
| 114 | private final ScheduledExecutorService scheduledExecutorService = |
| 115 | Executors.newScheduledThreadPool(1); |
| 116 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 117 | protected CoreService coreService; |
| 118 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 119 | protected PacketService packetService; |
| 120 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 121 | protected MastershipService mastershipService; |
| 122 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 123 | protected FlowRuleService flowRuleService; |
| 124 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 125 | protected DeviceService deviceService; |
| 126 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 127 | protected FlowObjectiveService flowObjectiveService; |
| 128 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 129 | protected NetworkConfigRegistry networkConfig; |
| 130 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 131 | protected MulticastRouteService multicastService; |
| 132 | private IgmpPacketProcessor processor = new IgmpPacketProcessor(); |
| 133 | private Logger log = LoggerFactory.getLogger(getClass()); |
| 134 | private ApplicationId coreAppId; |
| 135 | private Map<Ip4Address, Ip4Address> ssmTranslateTable = new ConcurrentHashMap<>(); |
| 136 | private InternalNetworkConfigListener configListener = |
| 137 | new InternalNetworkConfigListener(); |
| 138 | private DeviceListener deviceListener = new InternalDeviceListener(); |
| 139 | private ConfigFactory<DeviceId, AccessDeviceConfig> configFactory = null; |
| 140 | private ConfigFactory<ApplicationId, IgmpproxyConfig> igmpproxyConfigFactory = |
| 141 | new ConfigFactory<ApplicationId, IgmpproxyConfig>( |
| 142 | SubjectFactories.APP_SUBJECT_FACTORY, IGMPPROXY_CONFIG_CLASS, "igmpproxy") { |
| 143 | @Override |
| 144 | public IgmpproxyConfig createConfig() { |
| 145 | return new IgmpproxyConfig(); |
| 146 | } |
| 147 | }; |
| 148 | private ConfigFactory<ApplicationId, IgmpproxySsmTranslateConfig> igmpproxySsmConfigFactory = |
| 149 | new ConfigFactory<ApplicationId, IgmpproxySsmTranslateConfig>( |
| 150 | SubjectFactories.APP_SUBJECT_FACTORY, IGMPPROXY_SSM_CONFIG_CLASS, "ssmTranslate", true) { |
| 151 | @Override |
| 152 | public IgmpproxySsmTranslateConfig createConfig() { |
| 153 | return new IgmpproxySsmTranslateConfig(); |
| 154 | } |
| 155 | }; |
| 156 | private int maxResp = 10; //unit is 1 sec |
| 157 | private int keepAliveInterval = 120; //unit is 1 sec |
| 158 | |
| 159 | public static int getUnsolicitedTimeout() { |
| 160 | return unSolicitedTimeout; |
| 161 | } |
| 162 | |
| 163 | @Activate |
| 164 | protected void activate() { |
| 165 | appId = coreService.registerApplication("org.opencord.igmpproxy"); |
| 166 | coreAppId = coreService.registerApplication(CoreService.CORE_APP_NAME); |
| 167 | packetService.addProcessor(processor, PacketProcessor.director(4)); |
| 168 | IgmpSender.init(packetService, mastershipService); |
| 169 | |
| 170 | if (networkConfig.getConfigFactory(CONFIG_CLASS) == null) { |
| 171 | configFactory = |
| 172 | new ConfigFactory<DeviceId, AccessDeviceConfig>( |
| 173 | SubjectFactories.DEVICE_SUBJECT_FACTORY, CONFIG_CLASS, "accessDevice") { |
| 174 | @Override |
| 175 | public AccessDeviceConfig createConfig() { |
| 176 | return new AccessDeviceConfig(); |
| 177 | } |
| 178 | }; |
| 179 | networkConfig.registerConfigFactory(configFactory); |
| 180 | } |
| 181 | networkConfig.registerConfigFactory(igmpproxySsmConfigFactory); |
| 182 | networkConfig.registerConfigFactory(igmpproxyConfigFactory); |
| 183 | networkConfig.addListener(configListener); |
| 184 | |
| 185 | configListener.reconfigureNetwork(networkConfig.getConfig(appId, IGMPPROXY_CONFIG_CLASS)); |
| 186 | configListener.reconfigureSsmTable(networkConfig.getConfig(appId, IGMPPROXY_SSM_CONFIG_CLASS)); |
| 187 | |
| 188 | networkConfig.getSubjects(DeviceId.class, AccessDeviceConfig.class).forEach( |
| 189 | subject -> { |
| 190 | AccessDeviceConfig config = networkConfig.getConfig(subject, |
| 191 | AccessDeviceConfig.class); |
| 192 | if (config != null) { |
| 193 | AccessDeviceData data = config.getAccessDevice(); |
| 194 | oltData.put(data.deviceId(), data); |
| 195 | } |
| 196 | } |
| 197 | ); |
| 198 | |
| 199 | oltData.keySet().forEach(d->provisionDefaultFlows(d)); |
| 200 | if (connectPointMode) { |
| 201 | provisionConnectPointFlows(); |
| 202 | } else { |
| 203 | provisionUplinkFlows(); |
| 204 | } |
| 205 | |
| 206 | McastConfig config = networkConfig.getConfig(coreAppId, MCAST_CONFIG_CLASS); |
| 207 | if (config != null) { |
| 208 | mvlan = config.egressVlan().toShort(); |
| 209 | } |
| 210 | deviceService.addListener(deviceListener); |
| 211 | scheduledExecutorService.scheduleAtFixedRate(new IgmpProxyTimerTask(), 0, 1000, TimeUnit.MILLISECONDS); |
| 212 | |
| 213 | log.info("Started"); |
| 214 | } |
| 215 | |
| 216 | @Deactivate |
| 217 | protected void deactivate() { |
| 218 | scheduledExecutorService.shutdown(); |
| 219 | |
| 220 | // de-register and null our handler |
| 221 | networkConfig.removeListener(configListener); |
| 222 | if (configFactory != null) { |
| 223 | networkConfig.unregisterConfigFactory(configFactory); |
| 224 | } |
| 225 | networkConfig.unregisterConfigFactory(igmpproxyConfigFactory); |
| 226 | networkConfig.unregisterConfigFactory(igmpproxySsmConfigFactory); |
| 227 | deviceService.removeListener(deviceListener); |
| 228 | packetService.removeProcessor(processor); |
| 229 | flowRuleService.removeFlowRulesById(appId); |
| 230 | |
| 231 | log.info("Stopped"); |
| 232 | } |
| 233 | |
| 234 | protected Ip4Address getDeviceIp(DeviceId ofDeviceId) { |
| 235 | try { |
| 236 | String[] mgmtAddress = deviceService.getDevice(ofDeviceId) |
| 237 | .annotations().value(AnnotationKeys.MANAGEMENT_ADDRESS).split(":"); |
| 238 | return Ip4Address.valueOf(mgmtAddress[0]); |
| 239 | } catch (Exception ex) { |
| 240 | log.info("No valid Ipaddress for " + ofDeviceId.toString()); |
| 241 | return null; |
| 242 | } |
| 243 | } |
| 244 | |
| 245 | private void processIgmpQuery(IGMPQuery igmpQuery, ConnectPoint cp, int maxResp) { |
| 246 | |
| 247 | DeviceId deviceId = cp.deviceId(); |
| 248 | Ip4Address gAddr = igmpQuery.getGaddr().getIp4Address(); |
| 249 | |
| 250 | if (maxResp >= 128) { |
| 251 | int mant = maxResp & 0xf; |
| 252 | int exp = (maxResp >> 4) & 0x7; |
| 253 | maxResp = (mant | 0x10) << (exp + 3); |
| 254 | } |
| 255 | |
| 256 | maxResp = (maxResp + 5) / 10; |
| 257 | |
| 258 | if (gAddr != null && !gAddr.isZero()) { |
| 259 | StateMachine.specialQuery(deviceId, gAddr, maxResp); |
| 260 | } else { |
| 261 | StateMachine.generalQuery(deviceId, maxResp); |
| 262 | } |
| 263 | |
| 264 | } |
| 265 | |
| 266 | private Ip4Address ssmTranslateRoute(IpAddress group) { |
| 267 | return ssmTranslateTable.get(group); |
| 268 | } |
| 269 | |
| 270 | private void processIgmpReport(IGMPMembership igmpGroup, VlanId vlan, ConnectPoint cp, byte igmpType) { |
| 271 | DeviceId deviceId = cp.deviceId(); |
| 272 | PortNumber portNumber = cp.port(); |
| 273 | |
| 274 | Ip4Address groupIp = igmpGroup.getGaddr().getIp4Address(); |
| 275 | if (!groupIp.isMulticast()) { |
| 276 | log.info(groupIp.toString() + " is not a valid group address"); |
| 277 | return; |
| 278 | } |
| 279 | Ip4Address srcIp = getDeviceIp(deviceId); |
| 280 | |
| 281 | byte recordType = igmpGroup.getRecordType(); |
| 282 | boolean join = false; |
| 283 | |
| 284 | ArrayList<Ip4Address> sourceList = new ArrayList<>(); |
| 285 | |
| 286 | if (igmpGroup.getSources().size() > 0) { |
| 287 | igmpGroup.getSources().forEach(source -> sourceList.add(source.getIp4Address())); |
| 288 | if (recordType == IGMPMembership.CHANGE_TO_EXCLUDE_MODE || |
| 289 | recordType == IGMPMembership.MODE_IS_EXCLUDE || |
| 290 | recordType == IGMPMembership.BLOCK_OLD_SOURCES) { |
| 291 | join = false; |
| 292 | } else if (recordType == IGMPMembership.CHANGE_TO_INCLUDE_MODE || |
| 293 | recordType == IGMPMembership.MODE_IS_INCLUDE || |
| 294 | recordType == IGMPMembership.ALLOW_NEW_SOURCES) { |
| 295 | join = true; |
| 296 | } |
| 297 | } else { |
| 298 | IpAddress src = ssmTranslateRoute(groupIp); |
| 299 | if (src == null) { |
| 300 | log.info("no ssm translate for group " + groupIp.toString()); |
| 301 | return; |
| 302 | } |
| 303 | sourceList.add(src.getIp4Address()); |
| 304 | if (recordType == IGMPMembership.CHANGE_TO_EXCLUDE_MODE || |
| 305 | recordType == IGMPMembership.MODE_IS_EXCLUDE || |
| 306 | recordType == IGMPMembership.BLOCK_OLD_SOURCES) { |
| 307 | join = true; |
| 308 | } else if (recordType == IGMPMembership.CHANGE_TO_INCLUDE_MODE || |
| 309 | recordType == IGMPMembership.MODE_IS_INCLUDE || |
| 310 | recordType == IGMPMembership.ALLOW_NEW_SOURCES) { |
| 311 | join = false; |
| 312 | } |
| 313 | } |
| 314 | String groupMemberKey = GroupMember.getkey(groupIp, deviceId, portNumber); |
| 315 | GroupMember groupMember = groupMemberMap.get(groupMemberKey); |
| 316 | |
| 317 | if (join) { |
| 318 | if (groupMember == null) { |
| 319 | if (igmpType == IGMP.TYPE_IGMPV2_MEMBERSHIP_REPORT) { |
| 320 | groupMember = new GroupMember(groupIp, vlan, deviceId, portNumber, true); |
| 321 | } else { |
| 322 | groupMember = new GroupMember(groupIp, vlan, deviceId, portNumber, false); |
| 323 | } |
| 324 | StateMachine.join(deviceId, groupIp, srcIp); |
| 325 | groupMemberMap.put(groupMemberKey, groupMember); |
| 326 | groupMember.updateList(recordType, sourceList); |
| 327 | groupMember.getSourceList().forEach(source -> multicastService.addSink( |
| 328 | new McastRoute(source, groupIp, McastRoute.Type.IGMP), cp)); |
| 329 | } |
| 330 | groupMember.resetAllTimers(); |
| 331 | groupMember.updateList(recordType, sourceList); |
| 332 | groupMember.setLeave(false); |
| 333 | } else { |
| 334 | if (groupMember == null) { |
| 335 | log.info("receive leave but no instance, group " + groupIp.toString() + |
| 336 | " device:" + deviceId.toString() + " port:" + portNumber.toString()); |
| 337 | return; |
| 338 | } else { |
| 339 | groupMember.setLeave(true); |
| 340 | if (fastLeave) { |
| 341 | leaveAction(groupMember); |
| 342 | } else { |
| 343 | sendQuery(groupMember); |
| 344 | } |
| 345 | } |
| 346 | } |
| 347 | } |
| 348 | |
| 349 | private void leaveAction(GroupMember groupMember) { |
| 350 | ConnectPoint cp = new ConnectPoint(groupMember.getDeviceId(), groupMember.getPortNumber()); |
| 351 | StateMachine.leave(groupMember.getDeviceId(), groupMember.getGroupIp()); |
| 352 | groupMember.getSourceList().forEach(source -> multicastService.removeSink( |
| 353 | new McastRoute(source, groupMember.getGroupIp(), |
| 354 | McastRoute.Type.IGMP), cp)); |
| 355 | groupMemberMap.remove(groupMember.getId()); |
| 356 | } |
| 357 | |
| 358 | private void sendQuery(GroupMember groupMember) { |
| 359 | Ethernet ethpkt; |
| 360 | Ip4Address srcIp = getDeviceIp(groupMember.getDeviceId()); |
| 361 | if (groupMember.getv2()) { |
| 362 | ethpkt = IgmpSender.getInstance().buildIgmpV2Query(groupMember.getGroupIp(), srcIp); |
| 363 | } else { |
| 364 | ethpkt = IgmpSender.getInstance().buildIgmpV3Query(groupMember.getGroupIp(), srcIp); |
| 365 | } |
| 366 | IgmpSender.getInstance().sendIgmpPacket(ethpkt, groupMember.getDeviceId(), groupMember.getPortNumber()); |
| 367 | } |
| 368 | |
| 369 | private void processFilterObjective(DeviceId devId, Port port, boolean remove) { |
| 370 | |
| 371 | //TODO migrate to packet requests when packet service uses filtering objectives |
| 372 | DefaultFilteringObjective.Builder builder = DefaultFilteringObjective.builder(); |
| 373 | |
| 374 | builder = remove ? builder.deny() : builder.permit(); |
| 375 | |
| 376 | FilteringObjective igmp = builder |
| 377 | .withKey(Criteria.matchInPort(port.number())) |
| 378 | .addCondition(Criteria.matchEthType(EthType.EtherType.IPV4.ethType())) |
| 379 | .addCondition(Criteria.matchIPProtocol(IPv4.PROTOCOL_IGMP)) |
| 380 | .withMeta(DefaultTrafficTreatment.builder().setOutput(PortNumber.CONTROLLER).build()) |
| 381 | .fromApp(appId) |
| 382 | .withPriority(10000) |
| 383 | .add(new ObjectiveContext() { |
| 384 | @Override |
| 385 | public void onSuccess(Objective objective) { |
| 386 | log.info("IgmpProxy filter for {} on {} installed.", |
| 387 | devId, port); |
| 388 | } |
| 389 | |
| 390 | @Override |
| 391 | public void onError(Objective objective, ObjectiveError error) { |
| 392 | log.info("IgmpProxy filter for {} on {} failed because {}.", |
| 393 | devId, port, error); |
| 394 | } |
| 395 | }); |
| 396 | |
| 397 | flowObjectiveService.filter(devId, igmp); |
| 398 | } |
| 399 | |
| 400 | /** |
| 401 | * Packet processor responsible for forwarding packets along their paths. |
| 402 | */ |
| 403 | private class IgmpPacketProcessor implements PacketProcessor { |
| 404 | @Override |
| 405 | public void process(PacketContext context) { |
| 406 | |
| 407 | try { |
| 408 | InboundPacket pkt = context.inPacket(); |
| 409 | Ethernet ethPkt = pkt.parsed(); |
| 410 | if (ethPkt == null) { |
| 411 | return; |
| 412 | } |
| 413 | |
| 414 | if (ethPkt.getEtherType() != Ethernet.TYPE_IPV4) { |
| 415 | return; |
| 416 | } |
| 417 | |
| 418 | IPv4 ipv4Pkt = (IPv4) ethPkt.getPayload(); |
| 419 | |
| 420 | if (ipv4Pkt.getProtocol() != IPv4.PROTOCOL_IGMP) { |
| 421 | return; |
| 422 | } |
| 423 | |
| 424 | short vlan = ethPkt.getVlanID(); |
| 425 | DeviceId deviceId = pkt.receivedFrom().deviceId(); |
| 426 | |
| 427 | if (oltData.get(deviceId) == null) { |
| 428 | log.error("Device not registered in netcfg :" + deviceId.toString()); |
| 429 | return; |
| 430 | } |
| 431 | |
| 432 | IGMP igmp = (IGMP) ipv4Pkt.getPayload(); |
| 433 | switch (igmp.getIgmpType()) { |
| 434 | case IGMP.TYPE_IGMPV3_MEMBERSHIP_QUERY: |
| 435 | //Discard Query from OLT’s non-uplink port’s |
| 436 | if (!pkt.receivedFrom().port().equals(getDeviceUplink(deviceId))) { |
| 437 | log.info("IGMP Picked up query from non-uplink port"); |
| 438 | return; |
| 439 | } |
| 440 | |
| 441 | processIgmpQuery((IGMPQuery) igmp.getGroups().get(0), pkt.receivedFrom(), |
| 442 | 0xff & igmp.getMaxRespField()); |
| 443 | break; |
| 444 | case IGMP.TYPE_IGMPV1_MEMBERSHIP_REPORT: |
| 445 | log.debug("IGMP version 1 message types are not currently supported."); |
| 446 | break; |
| 447 | case IGMP.TYPE_IGMPV3_MEMBERSHIP_REPORT: |
| 448 | case IGMP.TYPE_IGMPV2_MEMBERSHIP_REPORT: |
| 449 | case IGMP.TYPE_IGMPV2_LEAVE_GROUP: |
| 450 | //Discard join/leave from OLT’s uplink port’s |
| 451 | if (pkt.receivedFrom().port().equals(getDeviceUplink(deviceId))) { |
| 452 | log.info("IGMP Picked up join/leave from the olt uplink port"); |
| 453 | return; |
| 454 | } |
| 455 | |
| 456 | Iterator<IGMPGroup> itr = igmp.getGroups().iterator(); |
| 457 | while (itr.hasNext()) { |
| 458 | IGMPGroup group = itr.next(); |
| 459 | if (group instanceof IGMPMembership) { |
| 460 | processIgmpReport((IGMPMembership) group, VlanId.vlanId(vlan), |
| 461 | pkt.receivedFrom(), igmp.getIgmpType()); |
| 462 | } else if (group instanceof IGMPQuery) { |
| 463 | IGMPMembership mgroup; |
| 464 | mgroup = new IGMPMembership(group.getGaddr().getIp4Address()); |
| 465 | mgroup.setRecordType(igmp.getIgmpType() == IGMP.TYPE_IGMPV2_MEMBERSHIP_REPORT ? |
| 466 | IGMPMembership.MODE_IS_EXCLUDE : IGMPMembership.MODE_IS_INCLUDE); |
| 467 | processIgmpReport(mgroup, VlanId.vlanId(vlan), |
| 468 | pkt.receivedFrom(), igmp.getIgmpType()); |
| 469 | } |
| 470 | } |
| 471 | break; |
| 472 | |
| 473 | default: |
| 474 | log.info("wrong IGMP v3 type:" + igmp.getIgmpType()); |
| 475 | break; |
| 476 | } |
| 477 | |
| 478 | } catch (Exception ex) { |
| 479 | log.error("igmp process error : " + ex.toString()); |
| 480 | ex.printStackTrace(); |
| 481 | } |
| 482 | } |
| 483 | } |
| 484 | |
| 485 | private class IgmpProxyTimerTask extends TimerTask { |
| 486 | public void run() { |
| 487 | try { |
| 488 | IgmpTimer.timeOut1s(); |
| 489 | queryMembers(); |
| 490 | } catch (Exception ex) { |
| 491 | log.warn("Igmp timer task error : {}", ex.getMessage()); |
| 492 | } |
| 493 | } |
| 494 | |
| 495 | private void queryMembers() { |
| 496 | GroupMember groupMember; |
| 497 | Set groupMemberSet = groupMemberMap.entrySet(); |
| 498 | Iterator itr = groupMemberSet.iterator(); |
| 499 | while (itr.hasNext()) { |
| 500 | Map.Entry entry = (Map.Entry) itr.next(); |
| 501 | groupMember = (GroupMember) entry.getValue(); |
| 502 | DeviceId did = groupMember.getDeviceId(); |
| 503 | if (mastershipService.isLocalMaster(did)) { |
| 504 | if (groupMember.isLeave()) { |
| 505 | lastQuery(groupMember); |
| 506 | } else if (periodicQuery) { |
| 507 | periodicQuery(groupMember); |
| 508 | } |
| 509 | } |
| 510 | } |
| 511 | } |
| 512 | |
| 513 | private void lastQuery(GroupMember groupMember) { |
| 514 | if (groupMember.getLastQueryInterval() < lastQueryInterval) { |
| 515 | groupMember.lastQueryInterval(true); // count times |
| 516 | } else if (groupMember.getLastQueryCount() < lastQueryCount - 1) { |
| 517 | sendQuery(groupMember); |
| 518 | groupMember.lastQueryInterval(false); // reset count number |
| 519 | groupMember.lastQueryCount(true); //count times |
| 520 | } else if (groupMember.getLastQueryCount() == lastQueryCount - 1) { |
| 521 | leaveAction(groupMember); |
| 522 | } |
| 523 | } |
| 524 | |
| 525 | private void periodicQuery(GroupMember groupMember) { |
| 526 | if (groupMember.getKeepAliveQueryInterval() < keepAliveInterval) { |
| 527 | groupMember.keepAliveInterval(true); |
| 528 | } else if (groupMember.getKeepAliveQueryCount() < keepAliveCount) { |
| 529 | sendQuery(groupMember); |
| 530 | groupMember.keepAliveInterval(false); |
| 531 | groupMember.keepAliveQueryCount(true); |
| 532 | } else if (groupMember.getKeepAliveQueryCount() == keepAliveCount) { |
| 533 | leaveAction(groupMember); |
| 534 | } |
| 535 | } |
| 536 | |
| 537 | } |
| 538 | |
| 539 | public static PortNumber getDeviceUplink(DeviceId devId) { |
| 540 | return oltData.get(devId).uplink(); |
| 541 | } |
| 542 | |
| 543 | private void processFilterObjective(DeviceId devId, PortNumber port, boolean remove) { |
| 544 | //TODO migrate to packet requests when packet service uses filtering objectives |
| 545 | DefaultFilteringObjective.Builder builder = DefaultFilteringObjective.builder(); |
| 546 | |
| 547 | builder = remove ? builder.deny() : builder.permit(); |
| 548 | |
| 549 | FilteringObjective igmp = builder |
| 550 | .withKey(Criteria.matchInPort(port)) |
| 551 | .addCondition(Criteria.matchEthType(EthType.EtherType.IPV4.ethType())) |
| 552 | .addCondition(Criteria.matchIPProtocol(IPv4.PROTOCOL_IGMP)) |
| 553 | .withMeta(DefaultTrafficTreatment.builder().setOutput(PortNumber.CONTROLLER).build()) |
| 554 | .fromApp(appId) |
| 555 | .withPriority(10000) |
| 556 | .add(new ObjectiveContext() { |
| 557 | @Override |
| 558 | public void onSuccess(Objective objective) { |
| 559 | log.info("IgmpProxy filter for {} on {} installed.", |
| 560 | devId, port); |
| 561 | } |
| 562 | |
| 563 | @Override |
| 564 | public void onError(Objective objective, ObjectiveError error) { |
| 565 | log.info("IgmpProxy filter for {} on {} failed because {}.", |
| 566 | devId, port, error); |
| 567 | } |
| 568 | }); |
| 569 | |
| 570 | flowObjectiveService.filter(devId, igmp); |
| 571 | } |
| 572 | |
| 573 | private boolean isConnectPoint(DeviceId device, PortNumber port) { |
| 574 | return (connectPointMode && connectPoint.deviceId().equals(device) |
| 575 | && connectPoint.port().equals(port)); |
| 576 | } |
| 577 | private boolean isUplink(DeviceId device, PortNumber port) { |
| 578 | return ((!connectPointMode) && oltData.containsKey(device) |
| 579 | && oltData.get(device).uplink().equals(port)); |
| 580 | } |
| 581 | |
| 582 | private class InternalDeviceListener implements DeviceListener { |
| 583 | @Override |
| 584 | public void event(DeviceEvent event) { |
| 585 | DeviceId devId = event.subject().id(); |
| 586 | PortNumber port; |
| 587 | if (oltData.get(devId) == null) { |
| 588 | return; |
| 589 | } |
| 590 | switch (event.type()) { |
| 591 | |
| 592 | case DEVICE_ADDED: |
| 593 | case DEVICE_UPDATED: |
| 594 | case DEVICE_REMOVED: |
| 595 | case DEVICE_SUSPENDED: |
| 596 | case DEVICE_AVAILABILITY_CHANGED: |
| 597 | case PORT_STATS_UPDATED: |
| 598 | break; |
| 599 | case PORT_ADDED: |
| 600 | port = event.port().number(); |
| 601 | if (oltData.containsKey(devId) && !isUplink(devId, port) && !isConnectPoint(devId, port)) { |
| 602 | processFilterObjective(devId, port, false); |
| 603 | } else if (isUplink(devId, port)) { |
| 604 | provisionUplinkFlows(); |
| 605 | } else if (isConnectPoint(devId, port)) { |
| 606 | provisionConnectPointFlows(); |
| 607 | } |
| 608 | break; |
| 609 | case PORT_UPDATED: |
| 610 | port = event.port().number(); |
| 611 | if (oltData.containsKey(devId) && !isUplink(devId, port) && !isConnectPoint(devId, port)) { |
| 612 | if (event.port().isEnabled()) { |
| 613 | processFilterObjective(devId, port, false); |
| 614 | } else { |
| 615 | processFilterObjective(devId, port, true); |
| 616 | } |
| 617 | } else if (isUplink(devId, port)) { |
| 618 | if (event.port().isEnabled()) { |
| 619 | provisionUplinkFlows(devId); |
| 620 | } else { |
| 621 | processFilterObjective(devId, port, true); |
| 622 | } |
| 623 | } else if (isConnectPoint(devId, port)) { |
| 624 | if (event.port().isEnabled()) { |
| 625 | provisionConnectPointFlows(); |
| 626 | } else { |
| 627 | unprovisionConnectPointFlows(); |
| 628 | } |
| 629 | } |
| 630 | break; |
| 631 | case PORT_REMOVED: |
| 632 | port = event.port().number(); |
| 633 | processFilterObjective(devId, port, true); |
| 634 | break; |
| 635 | default: |
| 636 | log.info("Unknown device event {}", event.type()); |
| 637 | break; |
| 638 | } |
| 639 | } |
| 640 | |
| 641 | @Override |
| 642 | public boolean isRelevant(DeviceEvent event) { |
| 643 | return true; |
| 644 | } |
| 645 | } |
| 646 | |
| 647 | private class InternalNetworkConfigListener implements NetworkConfigListener { |
| 648 | |
| 649 | private void reconfigureNetwork(IgmpproxyConfig cfg) { |
| 650 | IgmpproxyConfig newCfg; |
| 651 | if (cfg == null) { |
| 652 | newCfg = new IgmpproxyConfig(); |
| 653 | } else { |
| 654 | newCfg = cfg; |
| 655 | } |
| 656 | |
| 657 | unSolicitedTimeout = newCfg.unsolicitedTimeOut(); |
| 658 | maxResp = newCfg.maxResp(); |
| 659 | keepAliveInterval = newCfg.keepAliveInterval(); |
| 660 | keepAliveCount = newCfg.keepAliveCount(); |
| 661 | lastQueryInterval = newCfg.lastQueryInterval(); |
| 662 | lastQueryCount = newCfg.lastQueryCount(); |
| 663 | withRAUplink = newCfg.withRAUplink(); |
| 664 | withRADownlink = newCfg.withRADownlink(); |
| 665 | igmpCos = newCfg.igmpCos(); |
| 666 | periodicQuery = newCfg.periodicQuery(); |
| 667 | fastLeave = newCfg.fastLeave(); |
| 668 | |
| 669 | connectPoint = newCfg.connectPoint(); |
| 670 | if (connectPointMode != newCfg.connectPointMode()) { |
| 671 | connectPointMode = newCfg.connectPointMode(); |
| 672 | if (connectPointMode) { |
| 673 | unprovisionUplinkFlows(); |
| 674 | provisionConnectPointFlows(); |
| 675 | } else { |
| 676 | unprovisionConnectPointFlows(); |
| 677 | provisionUplinkFlows(); |
| 678 | } |
| 679 | } |
| 680 | if (connectPoint != null) { |
| 681 | log.info("connect point :" + connectPoint.toString()); |
| 682 | } |
| 683 | log.info(" mode: " + connectPointMode); |
| 684 | |
| 685 | IgmpSender.getInstance().setIgmpCos(igmpCos); |
| 686 | IgmpSender.getInstance().setMaxResp(maxResp); |
| 687 | IgmpSender.getInstance().setMvlan(mvlan); |
| 688 | IgmpSender.getInstance().setWithRADownlink(withRADownlink); |
| 689 | IgmpSender.getInstance().setWithRAUplink(withRAUplink); |
| 690 | |
| 691 | } |
| 692 | |
| 693 | public void reconfigureSsmTable(IgmpproxySsmTranslateConfig cfg) { |
| 694 | if (cfg == null) { |
| 695 | return; |
| 696 | } |
| 697 | Collection<McastRoute> translations = cfg.getSsmTranslations(); |
| 698 | for (McastRoute route : translations) { |
| 699 | ssmTranslateTable.put(route.group().getIp4Address(), route.source().getIp4Address()); |
| 700 | } |
| 701 | } |
| 702 | |
| 703 | @Override |
| 704 | public void event(NetworkConfigEvent event) { |
| 705 | switch (event.type()) { |
| 706 | case CONFIG_ADDED: |
| 707 | case CONFIG_UPDATED: |
| 708 | if (event.configClass().equals(CONFIG_CLASS)) { |
| 709 | AccessDeviceConfig config = |
| 710 | networkConfig.getConfig((DeviceId) event.subject(), CONFIG_CLASS); |
| 711 | if (config != null) { |
| 712 | oltData.put(config.getAccessDevice().deviceId(), config.getAccessDevice()); |
| 713 | provisionDefaultFlows((DeviceId) event.subject()); |
| 714 | provisionUplinkFlows((DeviceId) event.subject()); |
| 715 | } |
| 716 | } |
| 717 | |
| 718 | if (event.configClass().equals(IGMPPROXY_CONFIG_CLASS)) { |
| 719 | IgmpproxyConfig config = networkConfig.getConfig(appId, IGMPPROXY_CONFIG_CLASS); |
| 720 | if (config != null) { |
| 721 | reconfigureNetwork(config); |
| 722 | } |
| 723 | } |
| 724 | |
| 725 | if (event.configClass().equals(IGMPPROXY_SSM_CONFIG_CLASS)) { |
| 726 | IgmpproxySsmTranslateConfig config = networkConfig.getConfig(appId, IGMPPROXY_SSM_CONFIG_CLASS); |
| 727 | if (config != null) { |
| 728 | reconfigureSsmTable(config); |
| 729 | } |
| 730 | } |
| 731 | |
| 732 | if (event.configClass().equals(MCAST_CONFIG_CLASS)) { |
| 733 | McastConfig config = networkConfig.getConfig(coreAppId, MCAST_CONFIG_CLASS); |
| 734 | if (config != null && mvlan != config.egressVlan().toShort()) { |
| 735 | mvlan = config.egressVlan().toShort(); |
| 736 | groupMemberMap.values().forEach(m -> leaveAction(m)); |
| 737 | } |
| 738 | } |
| 739 | |
| 740 | log.info("Reconfigured"); |
| 741 | break; |
| 742 | case CONFIG_REGISTERED: |
| 743 | case CONFIG_UNREGISTERED: |
| 744 | break; |
| 745 | case CONFIG_REMOVED: |
| 746 | if (event.configClass().equals(CONFIG_CLASS)) { |
| 747 | oltData.remove(event.subject()); |
| 748 | } |
| 749 | |
| 750 | default: |
| 751 | break; |
| 752 | } |
| 753 | } |
| 754 | } |
| 755 | |
| 756 | private void provisionDefaultFlows(DeviceId deviceId) { |
| 757 | List<Port> ports = deviceService.getPorts(deviceId); |
| 758 | ports.stream() |
| 759 | .filter(p -> (!oltData.get(p.element().id()).uplink().equals(p.number()) && p.isEnabled())) |
| 760 | .forEach(p -> processFilterObjective((DeviceId) p.element().id(), p.number(), false)); |
| 761 | } |
| 762 | |
| 763 | private void provisionUplinkFlows(DeviceId deviceId) { |
| 764 | if (connectPointMode) { |
| 765 | return; |
| 766 | } |
| 767 | |
| 768 | processFilterObjective(deviceId, oltData.get(deviceId).uplink(), false); |
| 769 | } |
| 770 | |
| 771 | private void provisionUplinkFlows() { |
| 772 | if (connectPointMode) { |
| 773 | return; |
| 774 | } |
| 775 | |
| 776 | oltData.keySet().forEach(deviceId ->provisionUplinkFlows(deviceId)); |
| 777 | } |
| 778 | private void unprovisionUplinkFlows() { |
| 779 | oltData.keySet().forEach(deviceId -> |
| 780 | processFilterObjective(deviceId, oltData.get(deviceId).uplink(), true)); |
| 781 | } |
| 782 | |
| 783 | private void provisionConnectPointFlows() { |
| 784 | if ((!connectPointMode) || connectPoint == null) { |
| 785 | return; |
| 786 | } |
| 787 | |
| 788 | processFilterObjective(connectPoint.deviceId(), connectPoint.port(), false); |
| 789 | } |
| 790 | private void unprovisionConnectPointFlows() { |
| 791 | if (connectPoint == null) { |
| 792 | return; |
| 793 | } |
| 794 | processFilterObjective(connectPoint.deviceId(), connectPoint.port(), true); |
| 795 | } |
| 796 | } |