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.rev211210.service.list.Services;
  27 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev210705.path.description.AToZDirection;
  28 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev210705.path.description.AToZDirectionBuilder;
  29 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev210705.path.description.ZToADirection;
  30 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev210705.path.description.ZToADirectionBuilder;
  31 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev210705.path.description.atoz.direction.AToZ;
  32 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev210705.path.description.atoz.direction.AToZBuilder;
  33 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev210705.path.description.atoz.direction.AToZKey;
  34 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev210705.path.description.ztoa.direction.ZToA;
  35 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev210705.path.description.ztoa.direction.ZToABuilder;
  36 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev210705.path.description.ztoa.direction.ZToAKey;
  37 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev210705.pce.resource.Resource;
  38 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev210705.pce.resource.ResourceBuilder;
  39 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev210705.pce.resource.resource.resource.TerminationPoint;
  40 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.service.types.rev220118.service.path.PathDescription;
  41 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.service.types.rev220118.service.path.PathDescriptionBuilder;
  42 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.servicepath.rev171017.ServicePathList;
  43 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.servicepath.rev171017.service.path.list.ServicePaths;
  44 import org.slf4j.Logger;
  45 import org.slf4j.LoggerFactory;
  46
  47 public class NetworkModelListenerImpl implements TransportpceNetworkmodelListener {
  48
  49     private static final Logger LOG = LoggerFactory.getLogger(NetworkModelListenerImpl.class);
  50     private final NotificationPublishService notificationPublishService; // to be used for T-API notification
  51     private ServiceDataStoreOperations serviceDataStoreOperations;
  52     private TopologyUpdateResult topologyUpdateResult;
  53
  54     public NetworkModelListenerImpl(NotificationPublishService notificationPublishService,
  55                                     ServiceDataStoreOperations serviceDataStoreOperations) {
  56         this.notificationPublishService = notificationPublishService;
  57         this.serviceDataStoreOperations = serviceDataStoreOperations;
  58     }
  59
  60     @Override
  61     public void onTopologyUpdateResult(TopologyUpdateResult notification) {
  62         LOG.debug("Topology update notification: {}", notification);
  63         if (compareTopologyUpdateResult(notification)) {
  64             LOG.warn("TopologyUpdateResult already wired !");
  65             return;
  66         }
  67         topologyUpdateResult = new TopologyUpdateResultBuilder().setTopologyChanges(
  68                 new HashMap<>(notification.getTopologyChanges())).build();
  69         // Update service datastore and service path description
  70         updateServicePaths(notification);
  71     }
  72
  73     /**
  74      * Process topology update result.
  75      * @param notification the result notification.
  76      */
  77     protected void updateServicePaths(TopologyUpdateResult notification) {
  78         @Nullable
  79         Map<TopologyChangesKey, TopologyChanges> topologyChanges = notification.getTopologyChanges();
  80         Optional<ServicePathList> servicePathListOptional = this.serviceDataStoreOperations.getServicePaths();
  81         if (servicePathListOptional.isEmpty()) {
  82             LOG.warn("Enable to retrieve service path list");
  83             return;
  84         }
  85         ServicePathList servicePathList = servicePathListOptional.get();
  86         for (ServicePaths servicePaths : servicePathList.getServicePaths().values()) {
  87             String serviceName = servicePaths.getServicePathName();
  88             PathDescription pathDescription = servicePaths.getPathDescription();
  89             // update path descriptions in the datastore
  90             Map<AToZKey, AToZ> updatedAtoZ = changePathElementStateAZ(topologyChanges, pathDescription);
  91             Map<ZToAKey, ZToA> updatedZtoA = changePathElementStateZA(topologyChanges, pathDescription);
  92             OperationResult operationResult = this.serviceDataStoreOperations
  93                     .modifyServicePath(buildNewPathDescription(pathDescription, updatedAtoZ, updatedZtoA), serviceName);
  94             if (!operationResult.isSuccess()) {
  95                 LOG.warn("Service Path not updated in datastore!");
  96                 continue;
  97             }
  98             // update service in the datastore. Only path description with all elements in service can have a service
  99             // in service. Therefore we check if all the states of the path description resources are inService
 100             Optional<Services> serviceOptional = this.serviceDataStoreOperations.getService(serviceName);
 101             if (serviceOptional.isEmpty()) {
 102                 LOG.error("Couldn't retrieve service");
 103                 continue;
 104             }
 105             Services services = serviceOptional.get();
 106             OperationResult operationResult1 = null;
 107             switch (services.getOperationalState()) {
 108                 case InService:
 109                     if (!allElementsinPathinService(updatedAtoZ, updatedZtoA)) {
 110                         LOG.debug("Service={} needs to be updated to outOfService", serviceName);
 111                         //if (operationResult1 != null && operationResult1.isSuccess()) {
 112                         //null check probably no more needed
 113                         if (this.serviceDataStoreOperations
 114                                 .modifyService(serviceName, State.OutOfService, services.getAdministrativeState())
 115                                 .isSuccess()) {
 116                             LOG.info("Service state of {} correctly updated to outOfService in datastore", serviceName);
 117                             continue;
 118                         } else {
 119                             LOG.error("Service state of {} cannot be updated to outOfService in datastore",
 120                                 serviceName);
 121                         }
 122                     }
 123                     break;
 124                 case OutOfService:
 125                     if (allElementsinPathinService(updatedAtoZ, updatedZtoA)) {
 126                         LOG.debug("Service={} needs to be updated to inService", serviceName);
 127                         //if (operationResult1 != null && operationResult1.isSuccess()) {
 128                         //null check probably no more needed
 129                         if (this.serviceDataStoreOperations
 130                                 .modifyService(serviceName, State.InService, services.getAdministrativeState())
 131                                 .isSuccess()) {
 132                             LOG.info("Service state of {} correctly updated to inService in datastore", serviceName);
 133                             continue;
 134                         } else {
 135                             LOG.error("Service state of {} cannot be updated to inService in datastore", serviceName);
 136                         }
 137                     }
 138                     break;
 139                 default:
 140                     LOG.warn("Service {} state not managed", serviceName);
 141                     continue;
 142             }
 143             LOG.debug("Service {} state does not need to be modified", serviceName);
 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         for (ZToA ztoA : tpResources) {
 154             String ztoAid = ztoA.getId();
 155             State ztoAState = ztoA.getResource().getState();
 156             TerminationPoint tp = (TerminationPoint) ztoA.getResource().getResource();
 157             if (topologyChanges.containsKey(new TopologyChangesKey(tp.getTpNodeId(), tp.getTpId()))
 158                 && !topologyChanges.get(new TopologyChangesKey(tp.getTpNodeId(), tp.getTpId())).getState()
 159                 .equals(ztoAState)) {
 160                 LOG.debug("updating ztoa tp {}", ztoA);
 161                 State updatedState = topologyChanges.get(new TopologyChangesKey(tp.getTpNodeId(), tp.getTpId()))
 162                     .getState();
 163                 Resource updatedResource = new ResourceBuilder()
 164                     .setResource(tp)
 165                     .setState(updatedState)
 166                     .build();
 167                 ZToA updatedZToA = new ZToABuilder(ztoA)
 168                     .setId(ztoAid)
 169                     .setResource(updatedResource)
 170                     .build();
 171                 newztoaMap.put(updatedZToA.key(), updatedZToA);
 172             }
 173         }
 174         return newztoaMap;
 175     }
 176
 177     protected Map<AToZKey, AToZ> changePathElementStateAZ(Map<TopologyChangesKey,
 178             TopologyChanges> topologyChanges, PathDescription pathDescription) {
 179
 180         Map<AToZKey, AToZ> newatozMap = new HashMap<>(pathDescription.getAToZDirection().getAToZ());
 181         List<AToZ> tpResources = pathDescription.getAToZDirection().getAToZ().values().stream()
 182             .filter(ele -> ele.getResource().getResource() instanceof TerminationPoint)
 183             .collect(Collectors.toList());
 184         for (AToZ atoZ : tpResources) {
 185             String atoZid = atoZ.getId();
 186             State atoZState = atoZ.getResource().getState();
 187             TerminationPoint tp = (TerminationPoint) atoZ.getResource().getResource();
 188             if (topologyChanges.containsKey(new TopologyChangesKey(tp.getTpNodeId(), tp.getTpId()))
 189                 && !topologyChanges.get(new TopologyChangesKey(tp.getTpNodeId(), tp.getTpId())).getState()
 190                 .equals(atoZState)) {
 191                 LOG.debug("updating atoz tp {}", atoZ);
 192                 State updatedState = topologyChanges.get(new TopologyChangesKey(tp.getTpNodeId(), tp.getTpId()))
 193                     .getState();
 194                 Resource updatedResource = new ResourceBuilder()
 195                     .setResource(tp)
 196                     .setState(updatedState)
 197                     .build();
 198                 AToZ updatedAToZ = new AToZBuilder(atoZ)
 199                     .setId(atoZid)
 200                     .setResource(updatedResource)
 201                     .build();
 202                 newatozMap.put(updatedAToZ.key(), updatedAToZ);
 203             }
 204         }
 205         return newatozMap;
 206     }
 207
 208     private PathDescription buildNewPathDescription(PathDescription pathDescription, Map<AToZKey, AToZ> updatedAtoZ,
 209                                                     Map<ZToAKey, ZToA> updatedZtoA) {
 210         AToZDirection atozDir = new AToZDirectionBuilder(pathDescription.getAToZDirection())
 211                 .setAToZ(updatedAtoZ)
 212                 .build();
 213         ZToADirection ztoaDir = new ZToADirectionBuilder(pathDescription.getZToADirection())
 214                 .setZToA(updatedZtoA)
 215                 .build();
 216         return new PathDescriptionBuilder()
 217             .setAToZDirection(atozDir)
 218             .setZToADirection(ztoaDir)
 219             .build();
 220     }
 221
 222     protected boolean allElementsinPathinService(Map<AToZKey, AToZ> updatedAtoZ, Map<ZToAKey, ZToA> updatedZtoA) {
 223         boolean allEleminService = true;
 224         Iterator<AToZ> i1 = updatedAtoZ.values().iterator();
 225         Iterator<ZToA> i2 = updatedZtoA.values().iterator();
 226         // TODO: both directions have same length?
 227         while (i1.hasNext() && i2.hasNext()) {
 228             if (State.OutOfService.getIntValue() == i1.next().getResource().getState().getIntValue()
 229                     || State.OutOfService.getIntValue() == i2.next().getResource().getState().getIntValue()) {
 230                 allEleminService = false;
 231                 break;
 232             }
 233         }
 234
 235         return allEleminService;
 236     }
 237
 238     private boolean compareTopologyUpdateResult(TopologyUpdateResult notification) {
 239         return topologyUpdateResult != null && topologyUpdateResult.getTopologyChanges()
 240                 .equals(notification.getTopologyChanges());
 241     }
 242
 243     public void setserviceDataStoreOperations(ServiceDataStoreOperations serviceData) {
 244         this.serviceDataStoreOperations = serviceData;
 245     }
 246 }