Naoki Shiota | 5a05606 | 2016-05-05 18:43:59 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016 Open Networking Laboratory |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onosproject.newoptical; |
| 17 | |
| 18 | import com.google.common.annotations.Beta; |
| 19 | import com.google.common.collect.ImmutableList; |
| 20 | import com.google.common.collect.Sets; |
| 21 | |
| 22 | import org.apache.commons.lang3.tuple.Pair; |
| 23 | import org.apache.felix.scr.annotations.Activate; |
| 24 | import org.apache.felix.scr.annotations.Component; |
| 25 | import org.apache.felix.scr.annotations.Deactivate; |
| 26 | import org.apache.felix.scr.annotations.Reference; |
| 27 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
| 28 | import org.apache.felix.scr.annotations.Service; |
| 29 | import org.onlab.util.Bandwidth; |
| 30 | import org.onosproject.cluster.ClusterService; |
| 31 | import org.onosproject.cluster.NodeId; |
| 32 | import org.onosproject.core.ApplicationId; |
| 33 | import org.onosproject.core.CoreService; |
Naoki Shiota | 0d2943e | 2016-05-13 18:53:21 -0700 | [diff] [blame] | 34 | import org.onosproject.event.ListenerTracker; |
| 35 | import org.onosproject.net.optical.OchPort; |
| 36 | import org.onosproject.net.optical.OduCltPort; |
Naoki Shiota | 5a05606 | 2016-05-05 18:43:59 -0700 | [diff] [blame] | 37 | import org.onosproject.newoptical.api.OpticalConnectivityId; |
| 38 | import org.onosproject.newoptical.api.OpticalPathEvent; |
| 39 | import org.onosproject.newoptical.api.OpticalPathListener; |
| 40 | import org.onosproject.newoptical.api.OpticalPathService; |
| 41 | import org.onosproject.event.AbstractListenerManager; |
| 42 | import org.onosproject.mastership.MastershipService; |
| 43 | import org.onosproject.net.CltSignalType; |
| 44 | import org.onosproject.net.ConnectPoint; |
| 45 | import org.onosproject.net.Device; |
| 46 | import org.onosproject.net.DeviceId; |
| 47 | import org.onosproject.net.Link; |
Naoki Shiota | 5a05606 | 2016-05-05 18:43:59 -0700 | [diff] [blame] | 48 | import org.onosproject.net.OduSignalType; |
| 49 | import org.onosproject.net.Path; |
| 50 | import org.onosproject.net.Port; |
| 51 | import org.onosproject.net.config.NetworkConfigService; |
| 52 | import org.onosproject.net.device.DeviceService; |
| 53 | import org.onosproject.net.intent.Intent; |
| 54 | import org.onosproject.net.intent.IntentEvent; |
Naoki Shiota | 5a05606 | 2016-05-05 18:43:59 -0700 | [diff] [blame] | 55 | import org.onosproject.net.intent.IntentListener; |
| 56 | import org.onosproject.net.intent.IntentService; |
Naoki Shiota | 5a05606 | 2016-05-05 18:43:59 -0700 | [diff] [blame] | 57 | import org.onosproject.net.intent.OpticalCircuitIntent; |
| 58 | import org.onosproject.net.intent.OpticalConnectivityIntent; |
Naoki Shiota | 5a05606 | 2016-05-05 18:43:59 -0700 | [diff] [blame] | 59 | import org.onosproject.net.link.LinkEvent; |
| 60 | import org.onosproject.net.link.LinkListener; |
| 61 | import org.onosproject.net.link.LinkService; |
| 62 | import org.onosproject.net.resource.BandwidthCapacity; |
| 63 | import org.onosproject.net.resource.ContinuousResource; |
| 64 | import org.onosproject.net.resource.Resource; |
| 65 | import org.onosproject.net.resource.ResourceAllocation; |
| 66 | import org.onosproject.net.resource.ResourceService; |
| 67 | import org.onosproject.net.resource.Resources; |
| 68 | import org.onosproject.net.topology.LinkWeight; |
| 69 | import org.onosproject.net.topology.PathService; |
| 70 | import org.onosproject.net.topology.TopologyEdge; |
| 71 | import org.onosproject.store.service.AtomicCounter; |
| 72 | import org.onosproject.store.service.StorageService; |
| 73 | import org.slf4j.Logger; |
| 74 | import org.slf4j.LoggerFactory; |
| 75 | |
| 76 | import java.time.Duration; |
| 77 | import java.util.Collections; |
| 78 | import java.util.Iterator; |
| 79 | import java.util.LinkedList; |
| 80 | import java.util.List; |
| 81 | import java.util.Map; |
| 82 | import java.util.Optional; |
| 83 | import java.util.Set; |
| 84 | import java.util.concurrent.ConcurrentHashMap; |
| 85 | import java.util.stream.Collectors; |
| 86 | import java.util.stream.Stream; |
| 87 | |
| 88 | import static com.google.common.base.Preconditions.checkArgument; |
| 89 | import static com.google.common.base.Preconditions.checkNotNull; |
| 90 | |
| 91 | /** |
| 92 | * Main component to configure optical connectivity. |
| 93 | */ |
| 94 | @Beta |
| 95 | @Service |
| 96 | @Component(immediate = true) |
| 97 | public class OpticalPathProvisioner |
| 98 | extends AbstractListenerManager<OpticalPathEvent, OpticalPathListener> |
| 99 | implements OpticalPathService { |
| 100 | protected static final Logger log = LoggerFactory.getLogger(OpticalPathProvisioner.class); |
| 101 | |
| 102 | private static final String OPTICAL_CONNECTIVITY_ID_COUNTER = "optical-connectivity-id"; |
| 103 | |
| 104 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 105 | protected IntentService intentService; |
| 106 | |
| 107 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 108 | protected PathService pathService; |
| 109 | |
| 110 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 111 | protected CoreService coreService; |
| 112 | |
| 113 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 114 | protected LinkService linkService; |
| 115 | |
| 116 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 117 | protected MastershipService mastershipService; |
| 118 | |
| 119 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 120 | protected ClusterService clusterService; |
| 121 | |
| 122 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 123 | protected DeviceService deviceService; |
| 124 | |
| 125 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 126 | protected StorageService storageService; |
| 127 | |
| 128 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 129 | protected NetworkConfigService networkConfigService; |
| 130 | |
| 131 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 132 | protected ResourceService resourceService; |
| 133 | |
| 134 | |
| 135 | private ApplicationId appId; |
| 136 | |
| 137 | private AtomicCounter idCounter; |
| 138 | |
Naoki Shiota | 0d2943e | 2016-05-13 18:53:21 -0700 | [diff] [blame] | 139 | private ListenerTracker listeners; |
Naoki Shiota | 5a05606 | 2016-05-05 18:43:59 -0700 | [diff] [blame] | 140 | |
| 141 | private Map<PacketLinkRealizedByOptical, OpticalConnectivity> linkPathMap = new ConcurrentHashMap<>(); |
| 142 | |
| 143 | // TODO this should be stored to distributed store |
| 144 | private Map<OpticalConnectivityId, OpticalConnectivity> connectivities = new ConcurrentHashMap<>(); |
| 145 | |
| 146 | // TODO this should be stored to distributed store |
| 147 | // Map of cross connect link and installed path which uses the link |
| 148 | private Set<Link> usedCrossConnectLinks = Sets.newConcurrentHashSet(); |
| 149 | |
| 150 | @Activate |
| 151 | protected void activate() { |
| 152 | appId = coreService.registerApplication("org.onosproject.newoptical"); |
| 153 | |
| 154 | idCounter = storageService.atomicCounterBuilder() |
| 155 | .withName(OPTICAL_CONNECTIVITY_ID_COUNTER) |
| 156 | .withMeteringDisabled() |
| 157 | .build() |
| 158 | .asAtomicCounter(); |
| 159 | |
| 160 | eventDispatcher.addSink(OpticalPathEvent.class, listenerRegistry); |
Naoki Shiota | 0d2943e | 2016-05-13 18:53:21 -0700 | [diff] [blame] | 161 | |
| 162 | listeners = new ListenerTracker(); |
| 163 | listeners.addListener(linkService, new InternalLinkListener()) |
| 164 | .addListener(intentService, new InternalIntentListener()); |
Naoki Shiota | 5a05606 | 2016-05-05 18:43:59 -0700 | [diff] [blame] | 165 | |
| 166 | log.info("Started"); |
| 167 | } |
| 168 | |
| 169 | @Deactivate |
| 170 | protected void deactivate() { |
Naoki Shiota | 0d2943e | 2016-05-13 18:53:21 -0700 | [diff] [blame] | 171 | listeners.removeListeners(); |
| 172 | eventDispatcher.removeSink(OpticalPathEvent.class); |
Naoki Shiota | 5a05606 | 2016-05-05 18:43:59 -0700 | [diff] [blame] | 173 | |
| 174 | log.info("Stopped"); |
| 175 | } |
| 176 | |
| 177 | @Override |
| 178 | public OpticalConnectivityId setupConnectivity(ConnectPoint ingress, ConnectPoint egress, |
| 179 | Bandwidth bandwidth, Duration latency) { |
| 180 | checkNotNull(ingress); |
| 181 | checkNotNull(egress); |
| 182 | log.info("setupConnectivity({}, {}, {}, {})", ingress, egress, bandwidth, latency); |
| 183 | |
| 184 | bandwidth = (bandwidth == null) ? Bandwidth.bps(0) : bandwidth; |
| 185 | |
| 186 | Set<Path> paths = pathService.getPaths(ingress.deviceId(), egress.deviceId(), |
| 187 | new BandwidthLinkWeight(bandwidth)); |
| 188 | if (paths.isEmpty()) { |
| 189 | log.warn("Unable to find multi-layer path."); |
| 190 | return null; |
| 191 | } |
| 192 | |
| 193 | // Search path with available cross connect points |
| 194 | for (Path path : paths) { |
| 195 | OpticalConnectivityId id = setupPath(path, bandwidth, latency); |
| 196 | if (id != null) { |
| 197 | log.info("Assigned OpticalConnectivityId: {}", id); |
| 198 | return id; |
| 199 | } |
| 200 | } |
| 201 | |
Naoki Shiota | 0d2943e | 2016-05-13 18:53:21 -0700 | [diff] [blame] | 202 | log.info("setupConnectivity({}, {}, {}, {}) failed.", ingress, egress, bandwidth, latency); |
| 203 | |
Naoki Shiota | 5a05606 | 2016-05-05 18:43:59 -0700 | [diff] [blame] | 204 | return null; |
| 205 | } |
| 206 | |
| 207 | @Override |
| 208 | public OpticalConnectivityId setupPath(Path path, Bandwidth bandwidth, Duration latency) { |
| 209 | checkNotNull(path); |
| 210 | log.info("setupPath({}, {}, {})", path, bandwidth, latency); |
| 211 | |
| 212 | // validate optical path |
| 213 | List<Pair<ConnectPoint, ConnectPoint>> xcPointPairs = getCrossConnectPoints(path); |
| 214 | if (!checkXcPoints(xcPointPairs)) { |
| 215 | // Can't setup path if cross connect points are mismatched |
Naoki Shiota | 0d2943e | 2016-05-13 18:53:21 -0700 | [diff] [blame] | 216 | log.error("Failed to setup path because of mismatched cross connect points."); |
Naoki Shiota | 5a05606 | 2016-05-05 18:43:59 -0700 | [diff] [blame] | 217 | return null; |
| 218 | } |
| 219 | |
| 220 | OpticalConnectivity connectivity = createConnectivity(path, bandwidth, latency); |
| 221 | |
| 222 | // create intents from cross connect points and set connectivity information |
| 223 | List<Intent> intents = createIntents(xcPointPairs, connectivity); |
| 224 | |
| 225 | // store cross connect port usage |
| 226 | path.links().stream().filter(this::isCrossConnectLink) |
| 227 | .forEach(usedCrossConnectLinks::add); |
| 228 | |
| 229 | // Submit the intents |
| 230 | for (Intent i : intents) { |
| 231 | intentService.submit(i); |
| 232 | log.debug("Submitted an intent: {}", i); |
| 233 | } |
| 234 | |
| 235 | return connectivity.id(); |
| 236 | } |
| 237 | |
| 238 | private OpticalConnectivity createConnectivity(Path path, Bandwidth bandwidth, Duration latency) { |
| 239 | OpticalConnectivityId id = OpticalConnectivityId.of(idCounter.getAndIncrement()); |
| 240 | OpticalConnectivity connectivity = new OpticalConnectivity(id, path, bandwidth, latency); |
| 241 | |
Naoki Shiota | 5a05606 | 2016-05-05 18:43:59 -0700 | [diff] [blame] | 242 | // store connectivity information |
| 243 | connectivities.put(connectivity.id(), connectivity); |
| 244 | |
| 245 | return connectivity; |
| 246 | } |
| 247 | |
| 248 | @Override |
| 249 | public boolean removeConnectivity(OpticalConnectivityId id) { |
| 250 | log.info("removeConnectivity({})", id); |
| 251 | OpticalConnectivity connectivity = connectivities.remove(id); |
| 252 | |
| 253 | if (connectivity == null) { |
Naoki Shiota | 0d2943e | 2016-05-13 18:53:21 -0700 | [diff] [blame] | 254 | log.info("OpticalConnectivity with id {} not found.", id); |
Naoki Shiota | 5a05606 | 2016-05-05 18:43:59 -0700 | [diff] [blame] | 255 | return false; |
| 256 | } |
| 257 | |
| 258 | // TODO withdraw intent only if all of connectivities that use the optical path are withdrawn |
| 259 | connectivity.getRealizingLinks().forEach(l -> { |
| 260 | Intent intent = intentService.getIntent(l.realizingIntentKey()); |
| 261 | intentService.withdraw(intent); |
| 262 | }); |
| 263 | |
| 264 | return true; |
| 265 | } |
| 266 | |
| 267 | @Override |
Naoki Shiota | 0d2943e | 2016-05-13 18:53:21 -0700 | [diff] [blame] | 268 | public Optional<List<Link>> getPath(OpticalConnectivityId id) { |
Naoki Shiota | 5a05606 | 2016-05-05 18:43:59 -0700 | [diff] [blame] | 269 | OpticalConnectivity connectivity = connectivities.get(id); |
| 270 | if (connectivity == null) { |
Naoki Shiota | 0d2943e | 2016-05-13 18:53:21 -0700 | [diff] [blame] | 271 | log.info("OpticalConnectivity with id {} not found.", id); |
| 272 | return Optional.empty(); |
Naoki Shiota | 5a05606 | 2016-05-05 18:43:59 -0700 | [diff] [blame] | 273 | } |
| 274 | |
Naoki Shiota | 0d2943e | 2016-05-13 18:53:21 -0700 | [diff] [blame] | 275 | return Optional.of(ImmutableList.copyOf(connectivity.links())); |
Naoki Shiota | 5a05606 | 2016-05-05 18:43:59 -0700 | [diff] [blame] | 276 | } |
| 277 | |
| 278 | /** |
| 279 | * Returns list of (optical, packet) pairs of cross connection points of missing optical path sections. |
| 280 | * |
| 281 | * Scans the given multi-layer path and looks for sections that use cross connect links. |
| 282 | * The ingress and egress points in the optical layer are combined to the packet layer ports, and |
| 283 | * are returned in a list. |
| 284 | * |
| 285 | * @param path the multi-layer path |
| 286 | * @return List of cross connect link's (packet port, optical port) pairs |
| 287 | */ |
| 288 | private List<Pair<ConnectPoint, ConnectPoint>> getCrossConnectPoints(Path path) { |
| 289 | List<Pair<ConnectPoint, ConnectPoint>> xcPointPairs = new LinkedList<>(); |
| 290 | boolean scanning = false; |
| 291 | |
| 292 | for (Link link : path.links()) { |
| 293 | if (!isCrossConnectLink(link)) { |
| 294 | continue; |
| 295 | } |
| 296 | |
| 297 | if (scanning) { |
| 298 | // link.src() is packet, link.dst() is optical |
| 299 | xcPointPairs.add(Pair.of(checkNotNull(link.src()), checkNotNull(link.dst()))); |
| 300 | scanning = false; |
| 301 | } else { |
| 302 | // link.src() is optical, link.dst() is packet |
| 303 | xcPointPairs.add(Pair.of(checkNotNull(link.dst()), checkNotNull(link.src()))); |
| 304 | scanning = true; |
| 305 | } |
| 306 | } |
| 307 | |
| 308 | return xcPointPairs; |
| 309 | } |
| 310 | |
| 311 | /** |
| 312 | * Checks if optical cross connect points are of same type. |
| 313 | * |
| 314 | * @param xcPointPairs list of cross connection points |
| 315 | * @return true if cross connect point pairs are of same type, false otherwise |
| 316 | */ |
| 317 | private boolean checkXcPoints(List<Pair<ConnectPoint, ConnectPoint>> xcPointPairs) { |
| 318 | checkArgument(xcPointPairs.size() % 2 == 0); |
| 319 | |
| 320 | Iterator<Pair<ConnectPoint, ConnectPoint>> itr = xcPointPairs.iterator(); |
| 321 | |
| 322 | while (itr.hasNext()) { |
| 323 | // checkArgument at start ensures we'll always have pairs of connect points |
| 324 | Pair<ConnectPoint, ConnectPoint> src = itr.next(); |
| 325 | Pair<ConnectPoint, ConnectPoint> dst = itr.next(); |
| 326 | |
| 327 | Device.Type srcType = deviceService.getDevice(src.getKey().deviceId()).type(); |
| 328 | Device.Type dstType = deviceService.getDevice(dst.getKey().deviceId()).type(); |
| 329 | |
| 330 | // Only support connections between identical port types |
| 331 | if (srcType != dstType) { |
Naoki Shiota | 0d2943e | 2016-05-13 18:53:21 -0700 | [diff] [blame] | 332 | log.warn("Unsupported mix of cross connect points : {}, {}", srcType, dstType); |
Naoki Shiota | 5a05606 | 2016-05-05 18:43:59 -0700 | [diff] [blame] | 333 | return false; |
| 334 | } |
| 335 | } |
| 336 | |
| 337 | return true; |
| 338 | } |
| 339 | |
| 340 | /** |
| 341 | * Scans the list of cross connection points and returns a list of optical connectivity intents. |
| 342 | * During the process, store intent ID and its realizing link information to given connectivity object. |
| 343 | * |
| 344 | * @param xcPointPairs list of cross connection points |
| 345 | * @return list of optical connectivity intents |
| 346 | */ |
| 347 | private List<Intent> createIntents(List<Pair<ConnectPoint, ConnectPoint>> xcPointPairs, |
| 348 | OpticalConnectivity connectivity) { |
| 349 | checkArgument(xcPointPairs.size() % 2 == 0); |
| 350 | |
| 351 | List<Intent> intents = new LinkedList<>(); |
| 352 | Iterator<Pair<ConnectPoint, ConnectPoint>> itr = xcPointPairs.iterator(); |
| 353 | |
| 354 | while (itr.hasNext()) { |
| 355 | // checkArgument at start ensures we'll always have pairs of connect points |
| 356 | Pair<ConnectPoint, ConnectPoint> src = itr.next(); |
| 357 | Pair<ConnectPoint, ConnectPoint> dst = itr.next(); |
| 358 | |
| 359 | Port srcPort = deviceService.getPort(src.getKey().deviceId(), src.getKey().port()); |
| 360 | Port dstPort = deviceService.getPort(dst.getKey().deviceId(), dst.getKey().port()); |
| 361 | |
| 362 | if (srcPort instanceof OduCltPort && dstPort instanceof OduCltPort) { |
| 363 | // Create OTN circuit |
| 364 | OpticalCircuitIntent circuitIntent = OpticalCircuitIntent.builder() |
| 365 | .appId(appId) |
| 366 | .src(src.getKey()) |
| 367 | .dst(dst.getKey()) |
| 368 | .signalType(CltSignalType.CLT_10GBE) |
| 369 | .bidirectional(true) |
| 370 | .build(); |
| 371 | intents.add(circuitIntent); |
| 372 | PacketLinkRealizedByOptical pLink = PacketLinkRealizedByOptical.create(src.getValue(), dst.getValue(), |
| 373 | circuitIntent); |
| 374 | connectivity.addRealizingLink(pLink); |
| 375 | linkPathMap.put(pLink, connectivity); |
| 376 | } else if (srcPort instanceof OchPort && dstPort instanceof OchPort) { |
| 377 | // Create lightpath |
| 378 | // FIXME: hardcoded ODU signal type |
| 379 | OpticalConnectivityIntent opticalIntent = OpticalConnectivityIntent.builder() |
| 380 | .appId(appId) |
| 381 | .src(src.getKey()) |
| 382 | .dst(dst.getKey()) |
| 383 | .signalType(OduSignalType.ODU4) |
| 384 | .bidirectional(true) |
| 385 | .build(); |
| 386 | intents.add(opticalIntent); |
| 387 | PacketLinkRealizedByOptical pLink = PacketLinkRealizedByOptical.create(src.getValue(), dst.getValue(), |
| 388 | opticalIntent); |
| 389 | connectivity.addRealizingLink(pLink); |
| 390 | linkPathMap.put(pLink, connectivity); |
| 391 | } else { |
| 392 | log.warn("Unsupported cross connect point types {} {}", srcPort.type(), dstPort.type()); |
| 393 | return Collections.emptyList(); |
| 394 | } |
| 395 | } |
| 396 | |
| 397 | return intents; |
| 398 | } |
| 399 | |
| 400 | /** |
| 401 | * Verifies if given device type is in packet layer, i.e., ROADM, OTN or ROADM_OTN device. |
| 402 | * |
| 403 | * @param type device type |
| 404 | * @return true if in packet layer, false otherwise |
| 405 | */ |
| 406 | private boolean isPacketLayer(Device.Type type) { |
| 407 | return type == Device.Type.SWITCH || type == Device.Type.ROUTER || type == Device.Type.VIRTUAL; |
| 408 | } |
| 409 | |
| 410 | /** |
| 411 | * Verifies if given device type is in packet layer, i.e., switch or router device. |
| 412 | * |
| 413 | * @param type device type |
| 414 | * @return true if in packet layer, false otherwise |
| 415 | */ |
| 416 | private boolean isTransportLayer(Device.Type type) { |
| 417 | return type == Device.Type.ROADM || type == Device.Type.OTN || type == Device.Type.ROADM_OTN; |
| 418 | } |
| 419 | |
| 420 | /** |
| 421 | * Verifies if given link forms a cross-connection between packet and optical layer. |
| 422 | * |
| 423 | * @param link the link |
| 424 | * @return true if the link is a cross-connect link, false otherwise |
| 425 | */ |
| 426 | private boolean isCrossConnectLink(Link link) { |
| 427 | if (link.type() != Link.Type.OPTICAL) { |
| 428 | return false; |
| 429 | } |
| 430 | |
| 431 | Device.Type src = deviceService.getDevice(link.src().deviceId()).type(); |
| 432 | Device.Type dst = deviceService.getDevice(link.dst().deviceId()).type(); |
| 433 | |
| 434 | return src != dst && |
| 435 | ((isPacketLayer(src) && isTransportLayer(dst)) || (isPacketLayer(dst) && isTransportLayer(src))); |
| 436 | } |
| 437 | |
| 438 | /** |
| 439 | * Updates bandwidth resource of given connect point. |
| 440 | * @param cp Connect point |
| 441 | * @param bandwidth New bandwidth |
| 442 | */ |
| 443 | private void updatePortBandwidth(ConnectPoint cp, Bandwidth bandwidth) { |
| 444 | NodeId localNode = clusterService.getLocalNode().id(); |
| 445 | NodeId sourceMaster = mastershipService.getMasterFor(cp.deviceId()); |
| 446 | if (localNode.equals(sourceMaster)) { |
| 447 | log.debug("update Port {} Bandwidth {}", cp, bandwidth); |
| 448 | BandwidthCapacity bwCapacity = networkConfigService.addConfig(cp, BandwidthCapacity.class); |
| 449 | bwCapacity.capacity(bandwidth).apply(); |
| 450 | } |
| 451 | } |
| 452 | |
| 453 | /** |
| 454 | * Updates usage information of bandwidth based on connectivity which is established. |
| 455 | * @param connectivity Optical connectivity |
| 456 | */ |
| 457 | private void updateBandwidthUsage(OpticalConnectivity connectivity) { |
Naoki Shiota | cb744db | 2016-05-13 19:32:35 -0700 | [diff] [blame^] | 458 | OpticalConnectivityId connectivityId = connectivity.id(); |
Naoki Shiota | 5a05606 | 2016-05-05 18:43:59 -0700 | [diff] [blame] | 459 | |
| 460 | List<Link> links = connectivity.links(); |
| 461 | |
| 462 | List<Resource> resources = links.stream().flatMap(l -> Stream.of(l.src(), l.dst())) |
| 463 | .filter(cp -> !isTransportLayer(deviceService.getDevice(cp.deviceId()).type())) |
| 464 | .map(cp -> Resources.continuous(cp.deviceId(), cp.port(), |
| 465 | Bandwidth.class).resource(connectivity.bandwidth().bps())) |
| 466 | .collect(Collectors.toList()); |
| 467 | |
Naoki Shiota | cb744db | 2016-05-13 19:32:35 -0700 | [diff] [blame^] | 468 | log.debug("allocating bandwidth for {} : {}", connectivityId, resources); |
| 469 | List<ResourceAllocation> allocations = resourceService.allocate(connectivityId, resources); |
Naoki Shiota | 5a05606 | 2016-05-05 18:43:59 -0700 | [diff] [blame] | 470 | if (allocations.isEmpty()) { |
| 471 | log.warn("Failed to allocate bandwidth {} to {}", |
| 472 | connectivity.bandwidth().bps(), resources); |
| 473 | // TODO any recovery? |
| 474 | } |
Naoki Shiota | cb744db | 2016-05-13 19:32:35 -0700 | [diff] [blame^] | 475 | log.debug("Done allocating bandwidth for {}", connectivityId); |
Naoki Shiota | 5a05606 | 2016-05-05 18:43:59 -0700 | [diff] [blame] | 476 | } |
| 477 | |
| 478 | /** |
| 479 | * Release bandwidth allocated by given connectivity. |
| 480 | * @param connectivity Optical connectivity |
| 481 | */ |
| 482 | private void releaseBandwidthUsage(OpticalConnectivity connectivity) { |
Naoki Shiota | cb744db | 2016-05-13 19:32:35 -0700 | [diff] [blame^] | 483 | OpticalConnectivityId connectivityId = connectivity.id(); |
Naoki Shiota | 5a05606 | 2016-05-05 18:43:59 -0700 | [diff] [blame] | 484 | |
Naoki Shiota | cb744db | 2016-05-13 19:32:35 -0700 | [diff] [blame^] | 485 | log.debug("releasing bandwidth allocated to {}", connectivityId); |
| 486 | if (!resourceService.release(connectivityId)) { |
Naoki Shiota | 5a05606 | 2016-05-05 18:43:59 -0700 | [diff] [blame] | 487 | log.warn("Failed to release bandwidth allocated to {}", |
Naoki Shiota | cb744db | 2016-05-13 19:32:35 -0700 | [diff] [blame^] | 488 | connectivityId); |
Naoki Shiota | 5a05606 | 2016-05-05 18:43:59 -0700 | [diff] [blame] | 489 | // TODO any recovery? |
| 490 | } |
Naoki Shiota | cb744db | 2016-05-13 19:32:35 -0700 | [diff] [blame^] | 491 | log.debug("DONE releasing bandwidth for {}", connectivityId); |
Naoki Shiota | 5a05606 | 2016-05-05 18:43:59 -0700 | [diff] [blame] | 492 | } |
| 493 | |
| 494 | private class BandwidthLinkWeight implements LinkWeight { |
| 495 | private Bandwidth bandwidth = null; |
| 496 | |
| 497 | public BandwidthLinkWeight(Bandwidth bandwidth) { |
| 498 | this.bandwidth = bandwidth; |
| 499 | } |
| 500 | |
| 501 | @Override |
| 502 | public double weight(TopologyEdge edge) { |
| 503 | Link l = edge.link(); |
| 504 | |
Naoki Shiota | 0d2943e | 2016-05-13 18:53:21 -0700 | [diff] [blame] | 505 | // Avoid inactive links |
Naoki Shiota | 5a05606 | 2016-05-05 18:43:59 -0700 | [diff] [blame] | 506 | if (l.state() == Link.State.INACTIVE) { |
| 507 | return -1.0; |
| 508 | } |
| 509 | |
Naoki Shiota | 0d2943e | 2016-05-13 18:53:21 -0700 | [diff] [blame] | 510 | // Avoid cross connect links with used ports |
Naoki Shiota | 5a05606 | 2016-05-05 18:43:59 -0700 | [diff] [blame] | 511 | if (isCrossConnectLink(l) && usedCrossConnectLinks.contains(l)) { |
| 512 | return -1.0; |
| 513 | } |
| 514 | |
| 515 | // Check availability of bandwidth |
| 516 | if (bandwidth != null) { |
| 517 | if (hasEnoughBandwidth(l.src()) && hasEnoughBandwidth(l.dst())) { |
| 518 | return 1.0; |
| 519 | } else { |
| 520 | return -1.0; |
| 521 | } |
| 522 | } else { |
| 523 | // TODO needs to differentiate optical and packet? |
| 524 | if (l.type() == Link.Type.OPTICAL) { |
| 525 | // Transport links |
| 526 | return 1.0; |
| 527 | } else { |
| 528 | // Packet links |
| 529 | return 1.0; |
| 530 | } |
| 531 | } |
| 532 | } |
| 533 | |
| 534 | private boolean hasEnoughBandwidth(ConnectPoint cp) { |
| 535 | if (cp.elementId() instanceof DeviceId) { |
| 536 | Device.Type type = deviceService.getDevice(cp.deviceId()).type(); |
| 537 | if (isTransportLayer(type)) { |
| 538 | // Optical ports are assumed to have enough bandwidth |
| 539 | // TODO should look up physical limit? |
| 540 | return true; |
| 541 | } |
| 542 | |
| 543 | ContinuousResource resource = Resources.continuous(cp.deviceId(), cp.port(), Bandwidth.class) |
| 544 | .resource(bandwidth.bps()); |
| 545 | |
| 546 | return resourceService.isAvailable(resource); |
| 547 | } |
| 548 | return false; |
| 549 | } |
| 550 | } |
| 551 | |
| 552 | |
| 553 | public class InternalIntentListener implements IntentListener { |
| 554 | @Override |
| 555 | public void event(IntentEvent event) { |
| 556 | switch (event.type()) { |
| 557 | case INSTALLED: |
| 558 | log.info("Intent {} installed.", event.subject()); |
| 559 | updateCrossConnectLink(event.subject()); |
| 560 | break; |
| 561 | case WITHDRAWN: |
| 562 | log.info("Intent {} withdrawn.", event.subject()); |
| 563 | removeCrossConnectLinks(event.subject()); |
| 564 | break; |
| 565 | case FAILED: |
| 566 | log.info("Intent {} failed.", event.subject()); |
| 567 | break; |
| 568 | default: |
| 569 | break; |
| 570 | } |
| 571 | } |
| 572 | |
| 573 | private void updateCrossConnectLink(Intent intent) { |
| 574 | linkPathMap.entrySet().stream() |
| 575 | .filter(e -> e.getKey().realizingIntentKey().equals(intent.key())) |
| 576 | .forEach(e -> { |
| 577 | ConnectPoint packetSrc = e.getKey().src(); |
| 578 | ConnectPoint packetDst = e.getKey().dst(); |
| 579 | Bandwidth bw = e.getKey().bandwidth(); |
| 580 | // Updates bandwidth of packet ports |
| 581 | updatePortBandwidth(packetSrc, bw); |
| 582 | updatePortBandwidth(packetDst, bw); |
| 583 | |
| 584 | OpticalConnectivity connectivity = e.getValue(); |
| 585 | connectivity.setLinkEstablished(packetSrc, packetDst); |
| 586 | |
| 587 | if (e.getValue().isAllRealizingLinkEstablished()) { |
| 588 | updateBandwidthUsage(connectivity); |
| 589 | |
| 590 | // Notifies listeners if all links are established |
| 591 | post(new OpticalPathEvent(OpticalPathEvent.Type.PATH_INSTALLED, e.getValue().id())); |
| 592 | } |
| 593 | }); |
| 594 | } |
| 595 | |
| 596 | private void removeCrossConnectLinks(Intent intent) { |
| 597 | ConnectPoint src, dst; |
| 598 | |
| 599 | if (intent instanceof OpticalCircuitIntent) { |
| 600 | OpticalCircuitIntent circuit = (OpticalCircuitIntent) intent; |
| 601 | src = circuit.getSrc(); |
| 602 | dst = circuit.getDst(); |
| 603 | } else if (intent instanceof OpticalConnectivityIntent) { |
| 604 | OpticalConnectivityIntent conn = (OpticalConnectivityIntent) intent; |
| 605 | src = conn.getSrc(); |
| 606 | dst = conn.getDst(); |
| 607 | } else { |
| 608 | return; |
| 609 | } |
| 610 | |
| 611 | removeXcLinkUsage(src); |
| 612 | removeXcLinkUsage(dst); |
| 613 | |
| 614 | // Set bandwidth of 0 to cross connect ports |
| 615 | Bandwidth bw = Bandwidth.bps(0); |
| 616 | linkPathMap.entrySet().stream() |
| 617 | .filter(e -> e.getKey().realizingIntentKey().equals(intent.key())) |
| 618 | .forEach(e -> { |
| 619 | ConnectPoint packetSrc = e.getKey().src(); |
| 620 | ConnectPoint packetDst = e.getKey().dst(); |
| 621 | // Updates bandwidth of packet ports |
| 622 | updatePortBandwidth(packetSrc, bw); |
| 623 | updatePortBandwidth(packetDst, bw); |
| 624 | OpticalConnectivity connectivity = e.getValue(); |
| 625 | connectivity.setLinkRemoved(packetSrc, packetDst); |
| 626 | |
| 627 | // Notifies listeners if all links are gone |
| 628 | if (e.getValue().isAllRealizingLinkNotEstablished()) { |
| 629 | releaseBandwidthUsage(connectivity); |
| 630 | post(new OpticalPathEvent(OpticalPathEvent.Type.PATH_REMOVED, e.getValue().id())); |
| 631 | } |
| 632 | }); |
| 633 | } |
| 634 | |
| 635 | private void removeXcLinkUsage(ConnectPoint cp) { |
| 636 | Optional<Link> link = linkService.getLinks(cp).stream() |
| 637 | .filter(usedCrossConnectLinks::contains) |
| 638 | .findAny(); |
| 639 | |
| 640 | if (!link.isPresent()) { |
| 641 | log.warn("Cross connect point {} has no cross connect link.", cp); |
| 642 | return; |
| 643 | } |
| 644 | |
| 645 | usedCrossConnectLinks.remove(link.get()); |
| 646 | } |
| 647 | } |
| 648 | |
| 649 | |
| 650 | private class InternalLinkListener implements LinkListener { |
| 651 | |
| 652 | @Override |
| 653 | public void event(LinkEvent event) { |
| 654 | switch (event.type()) { |
| 655 | case LINK_REMOVED: |
| 656 | Link link = event.subject(); |
| 657 | Set<PacketLinkRealizedByOptical> pLinks = linkPathMap.keySet().stream() |
| 658 | .filter(l -> l.isBetween(link.src(), link.dst()) || l.isBetween(link.dst(), link.src())) |
| 659 | .collect(Collectors.toSet()); |
| 660 | |
| 661 | pLinks.forEach(l -> { |
| 662 | OpticalConnectivity c = linkPathMap.get(l); |
| 663 | // Notifies listeners if all links are gone |
| 664 | if (c.isAllRealizingLinkNotEstablished()) { |
| 665 | post(new OpticalPathEvent(OpticalPathEvent.Type.PATH_REMOVED, c.id())); |
| 666 | } |
| 667 | linkPathMap.remove(l); |
| 668 | }); |
| 669 | default: |
| 670 | break; |
| 671 | } |
| 672 | } |
| 673 | } |
| 674 | } |
| 675 | |