Simon Hunt | ed804d5 | 2016-03-30 09:51:40 -0700 | [diff] [blame] | 1 | /* |
Brian O'Connor | 5ab426f | 2016-04-09 01:19:45 -0700 | [diff] [blame] | 2 | * Copyright 2016-present Open Networking Laboratory |
Simon Hunt | ed804d5 | 2016-03-30 09:51:40 -0700 | [diff] [blame] | 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package org.onosproject.ui.impl.topo.model; |
| 18 | |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 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.apache.felix.scr.annotations.Service; |
Madan Jampani | 492526a | 2016-06-06 17:24:04 -0700 | [diff] [blame] | 25 | import org.onlab.util.Tools; |
Simon Hunt | 7092cc4 | 2016-04-06 18:40:17 -0700 | [diff] [blame] | 26 | import org.onosproject.cluster.ClusterEvent; |
| 27 | import org.onosproject.cluster.ClusterEventListener; |
| 28 | import org.onosproject.cluster.ClusterService; |
Simon Hunt | 23fb135 | 2016-04-11 12:15:19 -0700 | [diff] [blame] | 29 | import org.onosproject.cluster.ControllerNode; |
| 30 | import org.onosproject.cluster.RoleInfo; |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 31 | import org.onosproject.event.AbstractListenerManager; |
Simon Hunt | 7092cc4 | 2016-04-06 18:40:17 -0700 | [diff] [blame] | 32 | import org.onosproject.incubator.net.PortStatisticsService; |
| 33 | import org.onosproject.incubator.net.tunnel.TunnelService; |
| 34 | import org.onosproject.mastership.MastershipEvent; |
| 35 | import org.onosproject.mastership.MastershipListener; |
| 36 | import org.onosproject.mastership.MastershipService; |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 37 | import org.onosproject.net.Device; |
Simon Hunt | 23fb135 | 2016-04-11 12:15:19 -0700 | [diff] [blame] | 38 | import org.onosproject.net.DeviceId; |
| 39 | import org.onosproject.net.Host; |
| 40 | import org.onosproject.net.Link; |
Simon Hunt | 7092cc4 | 2016-04-06 18:40:17 -0700 | [diff] [blame] | 41 | import org.onosproject.net.device.DeviceEvent; |
| 42 | import org.onosproject.net.device.DeviceListener; |
| 43 | import org.onosproject.net.device.DeviceService; |
| 44 | import org.onosproject.net.flow.FlowRuleEvent; |
| 45 | import org.onosproject.net.flow.FlowRuleListener; |
| 46 | import org.onosproject.net.flow.FlowRuleService; |
| 47 | import org.onosproject.net.host.HostEvent; |
| 48 | import org.onosproject.net.host.HostListener; |
| 49 | import org.onosproject.net.host.HostService; |
| 50 | import org.onosproject.net.intent.IntentEvent; |
| 51 | import org.onosproject.net.intent.IntentListener; |
| 52 | import org.onosproject.net.intent.IntentService; |
| 53 | import org.onosproject.net.link.LinkEvent; |
| 54 | import org.onosproject.net.link.LinkListener; |
| 55 | import org.onosproject.net.link.LinkService; |
Simon Hunt | 23fb135 | 2016-04-11 12:15:19 -0700 | [diff] [blame] | 56 | import org.onosproject.net.region.Region; |
Simon Hunt | 7092cc4 | 2016-04-06 18:40:17 -0700 | [diff] [blame] | 57 | import org.onosproject.net.region.RegionEvent; |
Simon Hunt | 977aa05 | 2016-07-20 17:08:29 -0700 | [diff] [blame] | 58 | import org.onosproject.net.region.RegionId; |
Simon Hunt | 7092cc4 | 2016-04-06 18:40:17 -0700 | [diff] [blame] | 59 | import org.onosproject.net.region.RegionListener; |
| 60 | import org.onosproject.net.region.RegionService; |
| 61 | import org.onosproject.net.statistic.StatisticService; |
| 62 | import org.onosproject.net.topology.TopologyService; |
Simon Hunt | f679c4e | 2016-04-01 17:02:24 -0700 | [diff] [blame] | 63 | import org.onosproject.ui.impl.topo.UiTopoSession; |
Simon Hunt | 642bc45 | 2016-05-04 19:34:45 -0700 | [diff] [blame] | 64 | import org.onosproject.ui.model.ServiceBundle; |
Simon Hunt | d5b9673 | 2016-07-08 13:22:27 -0700 | [diff] [blame] | 65 | import org.onosproject.ui.model.topo.UiClusterMember; |
Simon Hunt | d5b9673 | 2016-07-08 13:22:27 -0700 | [diff] [blame] | 66 | import org.onosproject.ui.model.topo.UiRegion; |
Simon Hunt | ed804d5 | 2016-03-30 09:51:40 -0700 | [diff] [blame] | 67 | import org.slf4j.Logger; |
| 68 | import org.slf4j.LoggerFactory; |
| 69 | |
Simon Hunt | d5b9673 | 2016-07-08 13:22:27 -0700 | [diff] [blame] | 70 | import java.util.List; |
Simon Hunt | d5b9673 | 2016-07-08 13:22:27 -0700 | [diff] [blame] | 71 | import java.util.concurrent.ExecutorService; |
| 72 | import java.util.concurrent.Executors; |
| 73 | |
Simon Hunt | ed804d5 | 2016-03-30 09:51:40 -0700 | [diff] [blame] | 74 | /** |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 75 | * Service that creates and maintains the UI-model of the network topology. |
Simon Hunt | ed804d5 | 2016-03-30 09:51:40 -0700 | [diff] [blame] | 76 | */ |
Thomas Vachuska | 92b016b | 2016-05-20 11:37:57 -0700 | [diff] [blame] | 77 | @Component(immediate = true, enabled = true) |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 78 | @Service(value = UiSharedTopologyModel.class) |
| 79 | public final class UiSharedTopologyModel |
| 80 | extends AbstractListenerManager<UiModelEvent, UiModelListener> { |
Simon Hunt | ed804d5 | 2016-03-30 09:51:40 -0700 | [diff] [blame] | 81 | |
| 82 | private static final Logger log = |
| 83 | LoggerFactory.getLogger(UiSharedTopologyModel.class); |
| 84 | |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 85 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 86 | private ClusterService clusterService; |
| 87 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 88 | private MastershipService mastershipService; |
| 89 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 90 | private RegionService regionService; |
| 91 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 92 | private DeviceService deviceService; |
| 93 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 94 | private LinkService linkService; |
| 95 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 96 | private HostService hostService; |
| 97 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 98 | private IntentService intentService; |
| 99 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 100 | private FlowRuleService flowService; |
Simon Hunt | 7092cc4 | 2016-04-06 18:40:17 -0700 | [diff] [blame] | 101 | |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 102 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 103 | private StatisticService flowStatsService; |
| 104 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 105 | private PortStatisticsService portStatsService; |
| 106 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 107 | private TopologyService topologyService; |
| 108 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 109 | private TunnelService tunnelService; |
Simon Hunt | ed804d5 | 2016-03-30 09:51:40 -0700 | [diff] [blame] | 110 | |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 111 | private final ClusterEventListener clusterListener = |
| 112 | new InternalClusterListener(); |
| 113 | private final MastershipListener mastershipListener = |
| 114 | new InternalMastershipListener(); |
| 115 | private final RegionListener regionListener = |
| 116 | new InternalRegionListener(); |
| 117 | private final DeviceListener deviceListener = |
| 118 | new InternalDeviceListener(); |
| 119 | private final LinkListener linkListener = |
| 120 | new InternalLinkListener(); |
| 121 | private final HostListener hostListener = |
| 122 | new InternalHostListener(); |
| 123 | private final IntentListener intentListener = |
| 124 | new InternalIntentListener(); |
| 125 | private final FlowRuleListener flowRuleListener = |
| 126 | new InternalFlowRuleListener(); |
Simon Hunt | 7092cc4 | 2016-04-06 18:40:17 -0700 | [diff] [blame] | 127 | |
Madan Jampani | 492526a | 2016-06-06 17:24:04 -0700 | [diff] [blame] | 128 | private ExecutorService eventHandler; |
| 129 | |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 130 | |
| 131 | private ModelCache cache; |
| 132 | |
| 133 | |
| 134 | @Activate |
| 135 | protected void activate() { |
Simon Hunt | 642bc45 | 2016-05-04 19:34:45 -0700 | [diff] [blame] | 136 | cache = new ModelCache(new DefaultServiceBundle(), eventDispatcher); |
Yuta HIGUCHI | 1624df1 | 2016-07-21 16:54:33 -0700 | [diff] [blame] | 137 | eventHandler = Executors.newSingleThreadExecutor(Tools.groupedThreads("onos/ui/topo", "event-handler", log)); |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 138 | |
| 139 | eventDispatcher.addSink(UiModelEvent.class, listenerRegistry); |
| 140 | |
| 141 | clusterService.addListener(clusterListener); |
| 142 | mastershipService.addListener(mastershipListener); |
| 143 | regionService.addListener(regionListener); |
| 144 | deviceService.addListener(deviceListener); |
| 145 | linkService.addListener(linkListener); |
| 146 | hostService.addListener(hostListener); |
| 147 | intentService.addListener(intentListener); |
| 148 | flowService.addListener(flowRuleListener); |
| 149 | |
| 150 | cache.load(); |
| 151 | |
| 152 | log.info("Started"); |
Simon Hunt | ed804d5 | 2016-03-30 09:51:40 -0700 | [diff] [blame] | 153 | } |
| 154 | |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 155 | @Deactivate |
| 156 | protected void deactivate() { |
| 157 | eventDispatcher.removeSink(UiModelEvent.class); |
| 158 | |
| 159 | clusterService.removeListener(clusterListener); |
| 160 | mastershipService.removeListener(mastershipListener); |
| 161 | regionService.removeListener(regionListener); |
| 162 | deviceService.removeListener(deviceListener); |
| 163 | linkService.removeListener(linkListener); |
| 164 | hostService.removeListener(hostListener); |
| 165 | intentService.removeListener(intentListener); |
| 166 | flowService.removeListener(flowRuleListener); |
| 167 | |
Madan Jampani | 492526a | 2016-06-06 17:24:04 -0700 | [diff] [blame] | 168 | eventHandler.shutdown(); |
| 169 | |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 170 | cache.clear(); |
| 171 | cache = null; |
| 172 | |
| 173 | log.info("Stopped"); |
| 174 | } |
| 175 | |
| 176 | |
Simon Hunt | f679c4e | 2016-04-01 17:02:24 -0700 | [diff] [blame] | 177 | /** |
| 178 | * Registers a UI topology session with the topology model. |
| 179 | * |
| 180 | * @param session the session to register |
| 181 | */ |
| 182 | public void register(UiTopoSession session) { |
| 183 | log.info("Registering topology session {}", session); |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 184 | addListener(session); |
Simon Hunt | ed804d5 | 2016-03-30 09:51:40 -0700 | [diff] [blame] | 185 | } |
| 186 | |
Simon Hunt | f679c4e | 2016-04-01 17:02:24 -0700 | [diff] [blame] | 187 | /** |
| 188 | * Unregisters a UI topology session from the topology model. |
| 189 | * |
| 190 | * @param session the session to unregister |
| 191 | */ |
| 192 | public void unregister(UiTopoSession session) { |
| 193 | log.info("Unregistering topology session {}", session); |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 194 | removeListener(session); |
Simon Hunt | f679c4e | 2016-04-01 17:02:24 -0700 | [diff] [blame] | 195 | } |
| 196 | |
Simon Hunt | d5b9673 | 2016-07-08 13:22:27 -0700 | [diff] [blame] | 197 | |
| 198 | // ======================================================================= |
| 199 | // methods that the topo session will use to extract information from us |
| 200 | |
| 201 | /** |
| 202 | * Returns the list of cluster members stored in our model cache. |
| 203 | * |
| 204 | * @return list of cluster members |
| 205 | */ |
| 206 | public List<UiClusterMember> getClusterMembers() { |
| 207 | return cache.getAllClusterMembers(); |
| 208 | } |
| 209 | |
Simon Hunt | d5b9673 | 2016-07-08 13:22:27 -0700 | [diff] [blame] | 210 | /** |
Simon Hunt | 977aa05 | 2016-07-20 17:08:29 -0700 | [diff] [blame] | 211 | * Returns the region for the given identifier. |
Simon Hunt | d5b9673 | 2016-07-08 13:22:27 -0700 | [diff] [blame] | 212 | * |
Simon Hunt | 977aa05 | 2016-07-20 17:08:29 -0700 | [diff] [blame] | 213 | * @param id region identifier |
| 214 | * @return the region |
Simon Hunt | d5b9673 | 2016-07-08 13:22:27 -0700 | [diff] [blame] | 215 | */ |
Simon Hunt | 977aa05 | 2016-07-20 17:08:29 -0700 | [diff] [blame] | 216 | public UiRegion getRegion(RegionId id) { |
| 217 | return cache.accessRegion(id); |
Simon Hunt | d5b9673 | 2016-07-08 13:22:27 -0700 | [diff] [blame] | 218 | } |
| 219 | |
Simon Hunt | b1ce260 | 2016-07-23 14:04:31 -0700 | [diff] [blame^] | 220 | /** |
| 221 | * Returns the null region. |
| 222 | * |
| 223 | * @return the null region |
| 224 | */ |
| 225 | public UiRegion getNullRegion() { |
| 226 | return cache.nullRegion(); |
| 227 | } |
| 228 | |
| 229 | /** |
| 230 | * Refreshes the cache's internal state. |
| 231 | */ |
| 232 | public void refresh() { |
| 233 | cache.refresh(); |
| 234 | } |
| 235 | |
Simon Hunt | d5b9673 | 2016-07-08 13:22:27 -0700 | [diff] [blame] | 236 | // ===================================================================== |
| 237 | |
| 238 | |
Simon Hunt | 642bc45 | 2016-05-04 19:34:45 -0700 | [diff] [blame] | 239 | /** |
| 240 | * Default implementation of service bundle to return references to our |
| 241 | * dynamically injected services. |
| 242 | */ |
| 243 | private class DefaultServiceBundle implements ServiceBundle { |
| 244 | @Override |
| 245 | public ClusterService cluster() { |
| 246 | return clusterService; |
| 247 | } |
| 248 | |
| 249 | @Override |
| 250 | public MastershipService mastership() { |
| 251 | return mastershipService; |
| 252 | } |
| 253 | |
| 254 | @Override |
| 255 | public RegionService region() { |
| 256 | return regionService; |
| 257 | } |
| 258 | |
| 259 | @Override |
| 260 | public DeviceService device() { |
| 261 | return deviceService; |
| 262 | } |
| 263 | |
| 264 | @Override |
| 265 | public LinkService link() { |
| 266 | return linkService; |
| 267 | } |
| 268 | |
| 269 | @Override |
| 270 | public HostService host() { |
| 271 | return hostService; |
| 272 | } |
| 273 | |
| 274 | @Override |
| 275 | public IntentService intent() { |
| 276 | return intentService; |
| 277 | } |
| 278 | |
| 279 | @Override |
| 280 | public FlowRuleService flow() { |
| 281 | return flowService; |
| 282 | } |
| 283 | } |
| 284 | |
Simon Hunt | 7092cc4 | 2016-04-06 18:40:17 -0700 | [diff] [blame] | 285 | |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 286 | private class InternalClusterListener implements ClusterEventListener { |
| 287 | @Override |
| 288 | public void event(ClusterEvent event) { |
Madan Jampani | 492526a | 2016-06-06 17:24:04 -0700 | [diff] [blame] | 289 | eventHandler.execute(() -> handleEvent(event)); |
| 290 | } |
| 291 | |
| 292 | private void handleEvent(ClusterEvent event) { |
Simon Hunt | 23fb135 | 2016-04-11 12:15:19 -0700 | [diff] [blame] | 293 | ControllerNode cnode = event.subject(); |
| 294 | |
| 295 | switch (event.type()) { |
| 296 | |
| 297 | case INSTANCE_ADDED: |
| 298 | case INSTANCE_ACTIVATED: |
| 299 | case INSTANCE_READY: |
| 300 | case INSTANCE_DEACTIVATED: |
| 301 | cache.addOrUpdateClusterMember(cnode); |
| 302 | break; |
| 303 | |
| 304 | case INSTANCE_REMOVED: |
| 305 | cache.removeClusterMember(cnode); |
| 306 | break; |
| 307 | |
| 308 | default: |
| 309 | break; |
| 310 | } |
Simon Hunt | 7092cc4 | 2016-04-06 18:40:17 -0700 | [diff] [blame] | 311 | } |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 312 | } |
Simon Hunt | 7092cc4 | 2016-04-06 18:40:17 -0700 | [diff] [blame] | 313 | |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 314 | private class InternalMastershipListener implements MastershipListener { |
| 315 | @Override |
| 316 | public void event(MastershipEvent event) { |
Simon Hunt | 23fb135 | 2016-04-11 12:15:19 -0700 | [diff] [blame] | 317 | DeviceId deviceId = event.subject(); |
| 318 | RoleInfo roleInfo = event.roleInfo(); |
| 319 | |
| 320 | switch (event.type()) { |
| 321 | case MASTER_CHANGED: |
| 322 | case BACKUPS_CHANGED: |
| 323 | cache.updateMasterships(deviceId, roleInfo); |
| 324 | break; |
| 325 | |
| 326 | default: |
| 327 | break; |
| 328 | } |
Simon Hunt | 7092cc4 | 2016-04-06 18:40:17 -0700 | [diff] [blame] | 329 | } |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 330 | } |
Simon Hunt | 7092cc4 | 2016-04-06 18:40:17 -0700 | [diff] [blame] | 331 | |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 332 | private class InternalRegionListener implements RegionListener { |
| 333 | @Override |
| 334 | public void event(RegionEvent event) { |
Simon Hunt | 23fb135 | 2016-04-11 12:15:19 -0700 | [diff] [blame] | 335 | Region region = event.subject(); |
| 336 | |
| 337 | switch (event.type()) { |
| 338 | |
| 339 | case REGION_ADDED: |
| 340 | case REGION_UPDATED: |
| 341 | case REGION_MEMBERSHIP_CHANGED: |
| 342 | cache.addOrUpdateRegion(region); |
| 343 | break; |
| 344 | |
| 345 | case REGION_REMOVED: |
| 346 | cache.removeRegion(region); |
| 347 | break; |
| 348 | |
| 349 | default: |
| 350 | break; |
| 351 | } |
Simon Hunt | 7092cc4 | 2016-04-06 18:40:17 -0700 | [diff] [blame] | 352 | } |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 353 | } |
Simon Hunt | 7092cc4 | 2016-04-06 18:40:17 -0700 | [diff] [blame] | 354 | |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 355 | private class InternalDeviceListener implements DeviceListener { |
| 356 | @Override |
| 357 | public void event(DeviceEvent event) { |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 358 | Device device = event.subject(); |
Simon Hunt | 7092cc4 | 2016-04-06 18:40:17 -0700 | [diff] [blame] | 359 | |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 360 | switch (event.type()) { |
Simon Hunt | 7092cc4 | 2016-04-06 18:40:17 -0700 | [diff] [blame] | 361 | |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 362 | case DEVICE_ADDED: |
| 363 | case DEVICE_UPDATED: |
| 364 | case DEVICE_AVAILABILITY_CHANGED: |
| 365 | case DEVICE_SUSPENDED: |
| 366 | cache.addOrUpdateDevice(device); |
| 367 | break; |
Simon Hunt | 7092cc4 | 2016-04-06 18:40:17 -0700 | [diff] [blame] | 368 | |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 369 | case DEVICE_REMOVED: |
| 370 | cache.removeDevice(device); |
| 371 | break; |
Simon Hunt | 7092cc4 | 2016-04-06 18:40:17 -0700 | [diff] [blame] | 372 | |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 373 | default: |
| 374 | break; |
Simon Hunt | 7092cc4 | 2016-04-06 18:40:17 -0700 | [diff] [blame] | 375 | } |
| 376 | } |
| 377 | } |
| 378 | |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 379 | private class InternalLinkListener implements LinkListener { |
| 380 | @Override |
| 381 | public void event(LinkEvent event) { |
Simon Hunt | 23fb135 | 2016-04-11 12:15:19 -0700 | [diff] [blame] | 382 | Link link = event.subject(); |
| 383 | |
| 384 | switch (event.type()) { |
| 385 | |
| 386 | case LINK_ADDED: |
| 387 | case LINK_UPDATED: |
| 388 | cache.addOrUpdateLink(link); |
| 389 | break; |
| 390 | |
| 391 | case LINK_REMOVED: |
| 392 | cache.removeLink(link); |
| 393 | break; |
| 394 | |
| 395 | default: |
| 396 | break; |
| 397 | } |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 398 | } |
Simon Hunt | ed804d5 | 2016-03-30 09:51:40 -0700 | [diff] [blame] | 399 | } |
| 400 | |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 401 | private class InternalHostListener implements HostListener { |
| 402 | @Override |
| 403 | public void event(HostEvent event) { |
Simon Hunt | 23fb135 | 2016-04-11 12:15:19 -0700 | [diff] [blame] | 404 | Host host = event.subject(); |
| 405 | Host prevHost = event.prevSubject(); |
| 406 | |
| 407 | switch (event.type()) { |
| 408 | |
| 409 | case HOST_ADDED: |
| 410 | case HOST_UPDATED: |
| 411 | cache.addOrUpdateHost(host); |
| 412 | break; |
| 413 | |
| 414 | case HOST_MOVED: |
| 415 | cache.moveHost(host, prevHost); |
| 416 | break; |
| 417 | |
| 418 | case HOST_REMOVED: |
| 419 | cache.removeHost(host); |
| 420 | break; |
| 421 | |
| 422 | default: |
| 423 | break; |
| 424 | } |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 425 | } |
Simon Hunt | ed804d5 | 2016-03-30 09:51:40 -0700 | [diff] [blame] | 426 | } |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 427 | |
Simon Hunt | 23fb135 | 2016-04-11 12:15:19 -0700 | [diff] [blame] | 428 | // ======================================================================= |
| 429 | // NOTE: Neither intents nor flows are modeled by the UiTopology. |
| 430 | // Rather, they are serviced directly from this class. |
| 431 | // Additionally, since we are only retrieving counts (in the current |
| 432 | // implementation), we'll fetch them on demand from the service. |
| 433 | // Thus, the following internal listeners are stubs only (for now). |
| 434 | // ======================================================================= |
| 435 | |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 436 | private class InternalIntentListener implements IntentListener { |
| 437 | @Override |
| 438 | public void event(IntentEvent event) { |
Simon Hunt | 23fb135 | 2016-04-11 12:15:19 -0700 | [diff] [blame] | 439 | // do nothing (for now) |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 440 | } |
| 441 | } |
| 442 | |
| 443 | private class InternalFlowRuleListener implements FlowRuleListener { |
| 444 | @Override |
| 445 | public void event(FlowRuleEvent event) { |
Simon Hunt | 23fb135 | 2016-04-11 12:15:19 -0700 | [diff] [blame] | 446 | // do nothing (for now) |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 447 | } |
| 448 | } |
| 449 | |
Simon Hunt | ed804d5 | 2016-03-30 09:51:40 -0700 | [diff] [blame] | 450 | } |