servicehandler/src/main/java/org/opendaylight/transportpce/servicehandler/listeners/NetworkModelListenerImpl.java

   1 /*
   2  * Copyright © 2020 Nokia, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.transportpce.servicehandler.listeners;
   9
  10 import java.util.HashMap;
  11 import java.util.Iterator;
  12 import java.util.List;
  13 import java.util.Map;
  14 import java.util.Optional;
  15 import java.util.stream.Collectors;
  16 import org.eclipse.jdt.annotation.Nullable;
  17 import org.opendaylight.mdsal.binding.api.NotificationPublishService;
  18 import org.opendaylight.transportpce.common.OperationResult;
  19 import org.opendaylight.transportpce.servicehandler.service.ServiceDataStoreOperations;
  20 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.networkmodel.rev201116.TopologyUpdateResult;
  21 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.networkmodel.rev201116.TopologyUpdateResultBuilder;
  22 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.networkmodel.rev201116.TransportpceNetworkmodelListener;
  23 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.networkmodel.rev201116.topology.update.result.TopologyChanges;
  24 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.networkmodel.rev201116.topology.update.result.TopologyChangesKey;
  25 import org.opendaylight.yang.gen.v1.http.org.openroadm.common.state.types.rev191129.State;
  26 import org.opendaylight.yang.gen.v1.http.org.openroadm.service.rev230526.service.list.Services;
  27 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev230501.path.description.AToZDirection;
  28 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev230501.path.description.AToZDirectionBuilder;
  29 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev230501.path.description.ZToADirection;
  30 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev230501.path.description.ZToADirectionBuilder;
  31 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev230501.path.description.atoz.direction.AToZ;
  32 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev230501.path.description.atoz.direction.AToZBuilder;
  33 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev230501.path.description.atoz.direction.AToZKey;
  34 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev230501.path.description.ztoa.direction.ZToA;
  35 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev230501.path.description.ztoa.direction.ZToABuilder;
  36 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev230501.path.description.ztoa.direction.ZToAKey;
  37 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev230501.pce.resource.Resource;
  38 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev230501.pce.resource.ResourceBuilder;
  39 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev230501.pce.resource.resource.resource.Link;
  40 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev230501.pce.resource.resource.resource.TerminationPoint;
  41 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.service.types.rev220118.service.path.PathDescription;
  42 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.service.types.rev220118.service.path.PathDescriptionBuilder;
  43 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.servicepath.rev171017.ServicePathList;
  44 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.servicepath.rev171017.service.path.list.ServicePaths;
  45 import org.osgi.service.component.annotations.Activate;
  46 import org.osgi.service.component.annotations.Component;
  47 import org.osgi.service.component.annotations.Reference;
  48 import org.slf4j.Logger;
  49 import org.slf4j.LoggerFactory;
  50
  51 @Component
  52 public class NetworkModelListenerImpl implements TransportpceNetworkmodelListener, NetworkListener {
  53
  54     private static final Logger LOG = LoggerFactory.getLogger(NetworkModelListenerImpl.class);
  55     private ServiceDataStoreOperations serviceDataStoreOperations;
  56     private TopologyUpdateResult topologyUpdateResult;
  57
  58     @Activate
  59     public NetworkModelListenerImpl(@Reference NotificationPublishService notificationPublishService,
  60             @Reference ServiceDataStoreOperations serviceDataStoreOperations) {
  61         this.serviceDataStoreOperations = serviceDataStoreOperations;
  62     }
  63
  64     @Override
  65     public void onTopologyUpdateResult(TopologyUpdateResult notification) {
  66         LOG.debug("Topology update notification: {}", notification);
  67         if (compareTopologyUpdateResult(notification)) {
  68             LOG.warn("TopologyUpdateResult already wired !");
  69             return;
  70         }
  71         topologyUpdateResult = new TopologyUpdateResultBuilder()
  72                 .setTopologyChanges(new HashMap<>(notification.getTopologyChanges()))
  73                 .build();
  74         // Update service datastore and service path description
  75         updateServicePaths(notification);
  76     }
  77
  78     /**
  79      * Process topology update result.
  80      * @param notification the result notification.
  81      */
  82     protected void updateServicePaths(TopologyUpdateResult notification) {
  83         @Nullable
  84         Map<TopologyChangesKey, TopologyChanges> topologyChanges = notification.getTopologyChanges();
  85         Optional<ServicePathList> servicePathListOptional = this.serviceDataStoreOperations.getServicePaths();
  86         if (servicePathListOptional.isEmpty()) {
  87             LOG.warn("Enable to retrieve service path list");
  88             return;
  89         }
  90         ServicePathList servicePathList = servicePathListOptional.orElseThrow();
  91         for (ServicePaths servicePaths : servicePathList.getServicePaths().values()) {
  92             String serviceName = servicePaths.getServicePathName();
  93             PathDescription pathDescription = servicePaths.getPathDescription();
  94             // update path descriptions in the datastore
  95             Map<AToZKey, AToZ> updatedAtoZ = changePathElementStateAZ(topologyChanges, pathDescription);
  96             Map<ZToAKey, ZToA> updatedZtoA = changePathElementStateZA(topologyChanges, pathDescription);
  97             OperationResult operationResult = this.serviceDataStoreOperations
  98                     .modifyServicePath(buildNewPathDescription(pathDescription, updatedAtoZ, updatedZtoA), serviceName);
  99             if (!operationResult.isSuccess()) {
 100                 LOG.warn("Service Path not updated in datastore!");
 101                 continue;
 102             }
 103             // update service in the datastore. Only path description with all elements in service can have a service
 104             // in service. Therefore we check if all the states of the path description resources are inService
 105             Optional<Services> serviceOptional = this.serviceDataStoreOperations.getService(serviceName);
 106             if (serviceOptional.isEmpty()) {
 107                 LOG.error("Couldn't retrieve service");
 108                 continue;
 109             }
 110             Services services = serviceOptional.orElseThrow();
 111             State newState;
 112             switch (services.getOperationalState()) {
 113                 case InService:
 114                     if (allElementsinPathinService(updatedAtoZ, updatedZtoA)) {
 115                         LOG.debug("Service {} state does not need to be modified", serviceName);
 116                         continue;
 117                     }
 118                     newState = State.OutOfService;
 119                     break;
 120                 case OutOfService:
 121                     if (!allElementsinPathinService(updatedAtoZ, updatedZtoA)) {
 122                         LOG.debug("Service {} state does not need to be modified", serviceName);
 123                         continue;
 124                     }
 125                     newState = State.InService;
 126                     break;
 127                 default:
 128                     LOG.warn("Service {} state not managed", serviceName);
 129                     continue;
 130             }
 131
 132
 133             LOG.debug("Service={} needs to be updated to {}", serviceName, newState);
 134             //if (operationResult1 != null && operationResult1.isSuccess()) {
 135             //null check probably no more needed
 136             if (this.serviceDataStoreOperations
 137                     .modifyService(serviceName, newState, services.getAdministrativeState())
 138                     .isSuccess()) {
 139                 LOG.info("Service state of {} correctly updated to {} in datastore", serviceName, newState);
 140                 continue;
 141             }
 142             LOG.error("Service state of {} cannot be updated to {} in datastore", serviceName, newState);
 143
 144         }
 145     }
 146
 147     protected Map<ZToAKey, ZToA> changePathElementStateZA(Map<TopologyChangesKey, TopologyChanges> topologyChanges,
 148         PathDescription pathDescription) {
 149         Map<ZToAKey, ZToA> newztoaMap = new HashMap<>(pathDescription.getZToADirection().getZToA());
 150         List<ZToA> tpResources = pathDescription.getZToADirection().getZToA().values().stream()
 151                 .filter(ele -> ele.getResource().getResource() instanceof TerminationPoint)
 152                 .collect(Collectors.toList());
 153         List<ZToA> linkResources = pathDescription.getZToADirection().getZToA().values().stream()
 154             .filter(ele -> ele.getResource().getResource() instanceof Link)
 155             .collect(Collectors.toList());
 156         for (ZToA ztoA : tpResources) {
 157             String ztoAid = ztoA.getId();
 158             State ztoAState = ztoA.getResource().getState();
 159             TerminationPoint tp = (TerminationPoint) ztoA.getResource().getResource();
 160             if (topologyChanges.containsKey(new TopologyChangesKey(tp.getTpNodeId(), tp.getTpId()))
 161                 && !topologyChanges.get(new TopologyChangesKey(tp.getTpNodeId(), tp.getTpId())).getState()
 162                 .equals(ztoAState)) {
 163                 LOG.debug("updating ztoa tp {}", ztoA);
 164                 State updatedState = topologyChanges.get(new TopologyChangesKey(tp.getTpNodeId(), tp.getTpId()))
 165                     .getState();
 166                 Resource updatedResource = new ResourceBuilder()
 167                     .setResource(tp)
 168                     .setState(updatedState)
 169                     .build();
 170                 ZToA updatedZToA = new ZToABuilder(ztoA)
 171                     .setId(ztoAid)
 172                     .setResource(updatedResource)
 173                     .build();
 174                 newztoaMap.put(updatedZToA.key(), updatedZToA);
 175                 for (ZToA ztoALink : linkResources) {
 176                     Link link = (Link)ztoALink.getResource().getResource();
 177                     if (link.getLinkId().contains(tp.getTpNodeId())
 178                             && link.getLinkId().contains(tp.getTpId())
 179                             && ztoALink.getResource().getState() != updatedState) {
 180                         ZToA updatedZToAlink = new ZToABuilder(ztoALink)
 181                             .setId(ztoAid)
 182                             .setResource(new ResourceBuilder()
 183                                 .setResource(link)
 184                                 .setState(updatedState)
 185                                 .build())
 186                             .build();
 187                         newztoaMap.put(updatedZToAlink.key(), updatedZToAlink);
 188                     }
 189                 }
 190             }
 191         }
 192         return newztoaMap;
 193     }
 194
 195     protected Map<AToZKey, AToZ> changePathElementStateAZ(Map<TopologyChangesKey,
 196             TopologyChanges> topologyChanges, PathDescription pathDescription) {
 197
 198         Map<AToZKey, AToZ> newatozMap = new HashMap<>(pathDescription.getAToZDirection().getAToZ());
 199         List<AToZ> tpResources = pathDescription.getAToZDirection().getAToZ().values().stream()
 200             .filter(ele -> ele.getResource().getResource() instanceof TerminationPoint)
 201             .collect(Collectors.toList());
 202         List<AToZ> linkResources = pathDescription.getAToZDirection().getAToZ().values().stream()
 203             .filter(ele -> ele.getResource().getResource() instanceof Link)
 204             .collect(Collectors.toList());
 205         for (AToZ atoZ : tpResources) {
 206             String atoZid = atoZ.getId();
 207             State atoZState = atoZ.getResource().getState();
 208             TerminationPoint tp = (TerminationPoint) atoZ.getResource().getResource();
 209             if (topologyChanges.containsKey(new TopologyChangesKey(tp.getTpNodeId(), tp.getTpId()))
 210                 && !topologyChanges.get(new TopologyChangesKey(tp.getTpNodeId(), tp.getTpId())).getState()
 211                 .equals(atoZState)) {
 212                 LOG.debug("updating atoz tp {}", atoZ);
 213                 State updatedState = topologyChanges.get(new TopologyChangesKey(tp.getTpNodeId(), tp.getTpId()))
 214                     .getState();
 215                 Resource updatedResource = new ResourceBuilder()
 216                     .setResource(tp)
 217                     .setState(updatedState)
 218                     .build();
 219                 AToZ updatedAToZ = new AToZBuilder(atoZ)
 220                     .setId(atoZid)
 221                     .setResource(updatedResource)
 222                     .build();
 223                 newatozMap.put(updatedAToZ.key(), updatedAToZ);
 224                 for (AToZ atozLink : linkResources) {
 225                     Link link = (Link)atozLink.getResource().getResource();
 226                     if (link.getLinkId().contains(tp.getTpNodeId())
 227                             && link.getLinkId().contains(tp.getTpId())
 228                             && atozLink.getResource().getState() != updatedState) {
 229                         AToZ updatedAToZlink = new AToZBuilder(atozLink)
 230                             .setId(atoZid)
 231                             .setResource(new ResourceBuilder()
 232                                 .setResource(link)
 233                                 .setState(updatedState)
 234                                 .build())
 235                             .build();
 236                         newatozMap.put(updatedAToZlink.key(), updatedAToZlink);
 237                     }
 238                 }
 239             }
 240         }
 241         return newatozMap;
 242     }
 243
 244     private PathDescription buildNewPathDescription(PathDescription pathDescription, Map<AToZKey, AToZ> updatedAtoZ,
 245                                                     Map<ZToAKey, ZToA> updatedZtoA) {
 246         AToZDirection atozDir = new AToZDirectionBuilder(pathDescription.getAToZDirection())
 247                 .setAToZ(updatedAtoZ)
 248                 .build();
 249         ZToADirection ztoaDir = new ZToADirectionBuilder(pathDescription.getZToADirection())
 250                 .setZToA(updatedZtoA)
 251                 .build();
 252         return new PathDescriptionBuilder()
 253             .setAToZDirection(atozDir)
 254             .setZToADirection(ztoaDir)
 255             .build();
 256     }
 257
 258     protected boolean allElementsinPathinService(Map<AToZKey, AToZ> updatedAtoZ, Map<ZToAKey, ZToA> updatedZtoA) {
 259         boolean allEleminService = true;
 260         Iterator<AToZ> i1 = updatedAtoZ.values().iterator();
 261         Iterator<ZToA> i2 = updatedZtoA.values().iterator();
 262         // TODO: both directions have same length?
 263         while (i1.hasNext() && i2.hasNext()) {
 264             if (State.OutOfService.getIntValue() == i1.next().getResource().getState().getIntValue()
 265                     || State.OutOfService.getIntValue() == i2.next().getResource().getState().getIntValue()) {
 266                 allEleminService = false;
 267                 break;
 268             }
 269         }
 270
 271         return allEleminService;
 272     }
 273
 274     private boolean compareTopologyUpdateResult(TopologyUpdateResult notification) {
 275         return topologyUpdateResult != null
 276                 && topologyUpdateResult.getTopologyChanges().equals(notification.getTopologyChanges());
 277     }
 278
 279     @Override
 280     public void setserviceDataStoreOperations(ServiceDataStoreOperations serviceData) {
 281         this.serviceDataStoreOperations = serviceData;
 282     }
 283 }