Hyunsun Moon | 187bf53 | 2017-01-19 10:57:40 +0900 | [diff] [blame] | 1 | /* |
Brian O'Connor | 80dff97 | 2017-08-03 22:46:30 -0700 | [diff] [blame] | 2 | * Copyright 2017-present Open Networking Foundation |
Hyunsun Moon | 187bf53 | 2017-01-19 10:57:40 +0900 | [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 | package org.opencord.cordvtn.impl; |
| 17 | |
| 18 | import com.google.common.collect.ImmutableMap; |
| 19 | import com.google.common.collect.ImmutableSet; |
| 20 | import org.apache.felix.scr.annotations.Activate; |
| 21 | import org.apache.felix.scr.annotations.Component; |
| 22 | import org.apache.felix.scr.annotations.Deactivate; |
| 23 | import org.apache.felix.scr.annotations.Reference; |
| 24 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
| 25 | import org.apache.felix.scr.annotations.Service; |
| 26 | import org.onlab.util.KryoNamespace; |
| 27 | import org.onosproject.core.ApplicationId; |
| 28 | import org.onosproject.core.CoreService; |
| 29 | import org.onosproject.store.AbstractStore; |
| 30 | import org.onosproject.store.serializers.KryoNamespaces; |
| 31 | import org.onosproject.store.service.ConsistentMap; |
| 32 | import org.onosproject.store.service.MapEvent; |
| 33 | import org.onosproject.store.service.MapEventListener; |
| 34 | import org.onosproject.store.service.Serializer; |
| 35 | import org.onosproject.store.service.StorageService; |
| 36 | import org.onosproject.store.service.Versioned; |
| 37 | import org.opencord.cordvtn.api.core.ServiceNetworkEvent; |
| 38 | import org.opencord.cordvtn.api.core.ServiceNetworkStore; |
| 39 | import org.opencord.cordvtn.api.core.ServiceNetworkStoreDelegate; |
| 40 | import org.opencord.cordvtn.api.net.AddressPair; |
| 41 | import org.opencord.cordvtn.api.net.NetworkId; |
| 42 | import org.opencord.cordvtn.api.net.PortId; |
| 43 | import org.opencord.cordvtn.api.net.Provider; |
| 44 | import org.opencord.cordvtn.api.net.SegmentId; |
| 45 | import org.opencord.cordvtn.api.net.ServiceNetwork; |
| 46 | import org.opencord.cordvtn.api.net.ServiceNetwork.DependencyType; |
| 47 | import org.opencord.cordvtn.api.net.ServicePort; |
| 48 | import org.slf4j.Logger; |
| 49 | |
| 50 | import java.util.Collections; |
| 51 | import java.util.Map; |
| 52 | import java.util.Set; |
| 53 | import java.util.concurrent.ExecutorService; |
| 54 | import java.util.stream.Collectors; |
| 55 | |
| 56 | import static com.google.common.base.Preconditions.checkArgument; |
| 57 | import static java.util.concurrent.Executors.newSingleThreadExecutor; |
| 58 | import static org.onlab.util.Tools.groupedThreads; |
| 59 | import static org.opencord.cordvtn.api.Constants.CORDVTN_APP_ID; |
| 60 | import static org.opencord.cordvtn.api.core.ServiceNetworkEvent.Type.*; |
| 61 | import static org.slf4j.LoggerFactory.getLogger; |
| 62 | |
| 63 | /** |
| 64 | * Manages the inventory of VTN networks using a {@code ConsistentMap}. |
| 65 | */ |
| 66 | @Component(immediate = true) |
| 67 | @Service |
| 68 | public class DistributedServiceNetworkStore extends AbstractStore<ServiceNetworkEvent, ServiceNetworkStoreDelegate> |
| 69 | implements ServiceNetworkStore { |
| 70 | |
| 71 | protected final Logger log = getLogger(getClass()); |
| 72 | |
| 73 | private static final String ERR_NOT_FOUND = " does not exist"; |
| 74 | private static final String ERR_DUPLICATE = " already exists"; |
| 75 | |
| 76 | private static final KryoNamespace SERIALIZER_SERVICE = KryoNamespace.newBuilder() |
| 77 | .register(KryoNamespaces.API) |
| 78 | .register(ServiceNetwork.class) |
| 79 | .register(DefaultServiceNetwork.class) |
| 80 | .register(NetworkId.class) |
| 81 | .register(SegmentId.class) |
| 82 | .register(ServiceNetwork.NetworkType.class) |
| 83 | .register(DependencyType.class) |
| 84 | .register(ServicePort.class) |
| 85 | .register(DefaultServicePort.class) |
| 86 | .register(PortId.class) |
| 87 | .register(AddressPair.class) |
| 88 | .register(Collections.EMPTY_MAP.getClass()) |
| 89 | .register(Collections.EMPTY_SET.getClass()) |
| 90 | .build(); |
| 91 | |
| 92 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 93 | protected CoreService coreService; |
| 94 | |
| 95 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 96 | protected StorageService storageService; |
| 97 | |
Hyunsun Moon | 2c3f0ee | 2017-04-06 16:47:21 +0900 | [diff] [blame] | 98 | private final ExecutorService eventExecutor = newSingleThreadExecutor( |
Hyunsun Moon | 187bf53 | 2017-01-19 10:57:40 +0900 | [diff] [blame] | 99 | groupedThreads(this.getClass().getSimpleName(), "event-handler", log)); |
| 100 | private final MapEventListener<PortId, ServicePort> servicePortListener = |
| 101 | new ServicePortMapListener(); |
| 102 | private final MapEventListener<NetworkId, ServiceNetwork> serviceNetworkListener = |
| 103 | new ServiceNetworkMapListener(); |
| 104 | |
| 105 | private ConsistentMap<NetworkId, ServiceNetwork> serviceNetworkStore; |
| 106 | private ConsistentMap<PortId, ServicePort> servicePortStore; |
| 107 | |
| 108 | @Activate |
| 109 | protected void activate() { |
| 110 | ApplicationId appId = coreService.registerApplication(CORDVTN_APP_ID); |
Hyunsun Moon | 187bf53 | 2017-01-19 10:57:40 +0900 | [diff] [blame] | 111 | serviceNetworkStore = storageService.<NetworkId, ServiceNetwork>consistentMapBuilder() |
| 112 | .withSerializer(Serializer.using(SERIALIZER_SERVICE)) |
| 113 | .withName("cordvtn-servicenetstore") |
| 114 | .withApplicationId(appId) |
| 115 | .build(); |
| 116 | serviceNetworkStore.addListener(serviceNetworkListener); |
| 117 | |
| 118 | servicePortStore = storageService.<PortId, ServicePort>consistentMapBuilder() |
| 119 | .withSerializer(Serializer.using(SERIALIZER_SERVICE)) |
| 120 | .withName("cordvtn-serviceportstore") |
| 121 | .withApplicationId(appId) |
| 122 | .build(); |
| 123 | servicePortStore.addListener(servicePortListener); |
| 124 | |
| 125 | log.info("Started"); |
| 126 | } |
| 127 | |
| 128 | @Deactivate |
| 129 | protected void deactivate() { |
| 130 | serviceNetworkStore.removeListener(serviceNetworkListener); |
| 131 | servicePortStore.removeListener(servicePortListener); |
| 132 | |
| 133 | log.info("Stopped"); |
| 134 | } |
| 135 | |
| 136 | @Override |
| 137 | public void clear() { |
| 138 | synchronized (this) { |
| 139 | serviceNetworkStore.clear(); |
| 140 | servicePortStore.clear(); |
| 141 | } |
| 142 | } |
| 143 | |
| 144 | @Override |
| 145 | public void createServiceNetwork(ServiceNetwork snet) { |
| 146 | serviceNetworkStore.compute(snet.id(), (id, existing) -> { |
| 147 | final String error = snet.name() + ERR_DUPLICATE; |
| 148 | checkArgument(existing == null || existing.equals(snet), error); |
| 149 | return snet; |
| 150 | }); |
| 151 | } |
| 152 | |
| 153 | @Override |
| 154 | public void updateServiceNetwork(ServiceNetwork snet) { |
| 155 | serviceNetworkStore.compute(snet.id(), (id, existing) -> { |
| 156 | final String error = snet.name() + ERR_NOT_FOUND; |
| 157 | checkArgument(existing != null, error); |
| 158 | return snet; |
| 159 | }); |
| 160 | } |
| 161 | |
| 162 | @Override |
| 163 | public ServiceNetwork removeServiceNetwork(NetworkId netId) { |
| 164 | synchronized (this) { |
| 165 | Versioned<ServiceNetwork> snet = serviceNetworkStore.remove(netId); |
| 166 | return snet == null ? null : snet.value(); |
| 167 | } |
| 168 | } |
| 169 | |
| 170 | @Override |
| 171 | public ServiceNetwork serviceNetwork(NetworkId netId) { |
| 172 | Versioned<ServiceNetwork> versioned = serviceNetworkStore.get(netId); |
| 173 | return versioned == null ? null : versioned.value(); |
| 174 | } |
| 175 | |
| 176 | @Override |
| 177 | public Set<ServiceNetwork> serviceNetworks() { |
| 178 | Set<ServiceNetwork> snets = serviceNetworkStore.values().stream() |
| 179 | .map(Versioned::value) |
| 180 | .collect(Collectors.toSet()); |
| 181 | return ImmutableSet.copyOf(snets); |
| 182 | } |
| 183 | |
| 184 | @Override |
| 185 | public void createServicePort(ServicePort sport) { |
| 186 | servicePortStore.compute(sport.id(), (id, existing) -> { |
| 187 | final String error = sport.id().id() + ERR_DUPLICATE; |
| 188 | checkArgument(existing == null || existing.equals(sport), error); |
| 189 | return sport; |
| 190 | }); |
| 191 | } |
| 192 | |
| 193 | @Override |
| 194 | public void updateServicePort(ServicePort sport) { |
| 195 | servicePortStore.compute(sport.id(), (id, existing) -> { |
| 196 | final String error = sport.id().id() + ERR_NOT_FOUND; |
| 197 | checkArgument(existing != null, error); |
| 198 | return sport; |
| 199 | }); |
| 200 | } |
| 201 | |
| 202 | @Override |
| 203 | public ServicePort removeServicePort(PortId portId) { |
| 204 | Versioned<ServicePort> sport = servicePortStore.remove(portId); |
| 205 | return sport.value(); |
| 206 | } |
| 207 | |
| 208 | @Override |
| 209 | public ServicePort servicePort(PortId portId) { |
| 210 | Versioned<ServicePort> versioned = servicePortStore.get(portId); |
| 211 | return versioned == null ? null : versioned.value(); |
| 212 | } |
| 213 | |
| 214 | @Override |
| 215 | public Set<ServicePort> servicePorts() { |
| 216 | Set<ServicePort> sports = servicePortStore.values().stream() |
| 217 | .map(Versioned::value) |
| 218 | .collect(Collectors.toSet()); |
| 219 | return ImmutableSet.copyOf(sports); |
| 220 | } |
| 221 | |
| 222 | private class ServiceNetworkMapListener implements MapEventListener<NetworkId, ServiceNetwork> { |
| 223 | |
| 224 | @Override |
| 225 | public void event(MapEvent<NetworkId, ServiceNetwork> event) { |
| 226 | switch (event.type()) { |
| 227 | case UPDATE: |
| 228 | log.debug("Service network updated {}", event.newValue()); |
| 229 | eventExecutor.execute(() -> { |
| 230 | notifyDelegate(new ServiceNetworkEvent( |
| 231 | SERVICE_NETWORK_UPDATED, |
| 232 | event.newValue().value())); |
| 233 | notifyProviderUpdate( |
| 234 | event.oldValue().value(), |
| 235 | event.newValue().value()); |
| 236 | }); |
| 237 | break; |
| 238 | case INSERT: |
| 239 | log.debug("Service network created {}", event.newValue()); |
| 240 | eventExecutor.execute(() -> { |
| 241 | notifyDelegate(new ServiceNetworkEvent( |
| 242 | SERVICE_NETWORK_CREATED, |
| 243 | event.newValue().value())); |
| 244 | notifyProviderUpdate(null, event.newValue().value()); |
| 245 | }); |
| 246 | break; |
| 247 | case REMOVE: |
| 248 | log.debug("Service network removed {}", event.oldValue()); |
| 249 | eventExecutor.execute(() -> { |
| 250 | notifyProviderUpdate(event.oldValue().value(), null); |
| 251 | notifyDelegate(new ServiceNetworkEvent( |
| 252 | SERVICE_NETWORK_REMOVED, |
| 253 | event.oldValue().value())); |
| 254 | }); |
| 255 | break; |
| 256 | default: |
| 257 | log.error("Unsupported event type"); |
| 258 | break; |
| 259 | } |
| 260 | } |
| 261 | |
| 262 | private void notifyProviderUpdate(ServiceNetwork oldValue, ServiceNetwork newValue) { |
| 263 | Map<NetworkId, DependencyType> oldp = |
| 264 | oldValue != null ? oldValue.providers() : ImmutableMap.of(); |
| 265 | Map<NetworkId, DependencyType> newp = |
| 266 | newValue != null ? newValue.providers() : ImmutableMap.of(); |
| 267 | |
| 268 | oldp.entrySet().stream().filter(p -> !newp.keySet().contains(p.getKey())) |
| 269 | .forEach(p -> { |
| 270 | Provider providerNet = Provider.builder() |
| 271 | .provider(serviceNetwork(p.getKey())) |
| 272 | .type(p.getValue()) |
| 273 | .build(); |
| 274 | notifyDelegate(new ServiceNetworkEvent( |
| 275 | SERVICE_NETWORK_PROVIDER_REMOVED, |
| 276 | oldValue, |
| 277 | providerNet |
| 278 | )); |
| 279 | }); |
| 280 | |
| 281 | newp.entrySet().stream().filter(p -> !oldp.keySet().contains(p.getKey())) |
| 282 | .forEach(p -> { |
| 283 | Provider providerNet = Provider.builder() |
| 284 | .provider(serviceNetwork(p.getKey())) |
| 285 | .type(p.getValue()) |
| 286 | .build(); |
| 287 | notifyDelegate(new ServiceNetworkEvent( |
| 288 | SERVICE_NETWORK_PROVIDER_ADDED, |
| 289 | newValue, |
| 290 | providerNet)); |
| 291 | }); |
| 292 | } |
| 293 | } |
| 294 | |
| 295 | private class ServicePortMapListener implements MapEventListener<PortId, ServicePort> { |
| 296 | |
| 297 | @Override |
| 298 | public void event(MapEvent<PortId, ServicePort> event) { |
| 299 | switch (event.type()) { |
| 300 | case UPDATE: |
| 301 | log.debug("Service port updated {}", event.newValue()); |
| 302 | eventExecutor.execute(() -> { |
| 303 | notifyDelegate(new ServiceNetworkEvent( |
| 304 | SERVICE_PORT_UPDATED, |
| 305 | serviceNetwork(event.newValue().value().networkId()), |
| 306 | event.newValue().value())); |
| 307 | }); |
| 308 | break; |
| 309 | case INSERT: |
| 310 | log.debug("Service port created {}", event.newValue()); |
| 311 | eventExecutor.execute(() -> { |
| 312 | notifyDelegate(new ServiceNetworkEvent( |
| 313 | SERVICE_PORT_CREATED, |
| 314 | serviceNetwork(event.newValue().value().networkId()), |
| 315 | event.newValue().value())); |
| 316 | }); |
| 317 | break; |
| 318 | case REMOVE: |
| 319 | log.debug("Service port removed {}", event.oldValue()); |
| 320 | eventExecutor.execute(() -> { |
| 321 | notifyDelegate(new ServiceNetworkEvent( |
| 322 | SERVICE_PORT_REMOVED, |
| 323 | serviceNetwork(event.oldValue().value().networkId()), |
| 324 | event.oldValue().value())); |
| 325 | }); |
| 326 | break; |
| 327 | default: |
| 328 | log.error("Unsupported event type"); |
| 329 | break; |
| 330 | } |
| 331 | } |
| 332 | } |
| 333 | } |