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

   1 /*
   2  * Copyright © 2017 Orange, 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 edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
  11 import org.opendaylight.mdsal.binding.api.NotificationPublishService;
  12 import org.opendaylight.transportpce.common.OperationResult;
  13 import org.opendaylight.transportpce.pce.service.PathComputationService;
  14 import org.opendaylight.transportpce.servicehandler.ServiceInput;
  15 import org.opendaylight.transportpce.servicehandler.service.PCEServiceWrapper;
  16 import org.opendaylight.transportpce.servicehandler.service.ServiceDataStoreOperations;
  17 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.rev200520.ServiceRpcResultSp;
  18 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.rev200520.TransportpceRendererListener;
  19 import org.opendaylight.yang.gen.v1.http.org.openroadm.common.service.types.rev190531.ServiceNotificationTypes;
  20 import org.opendaylight.yang.gen.v1.http.org.openroadm.common.state.types.rev181130.State;
  21 import org.opendaylight.yang.gen.v1.http.org.openroadm.equipment.states.types.rev181130.AdminStates;
  22 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.service.types.rev200128.RpcStatusEx;
  23 import org.slf4j.Logger;
  24 import org.slf4j.LoggerFactory;
  25
  26 /**
  27  * Calls to listen to Renderer notifications.
  28  *
  29  * @author Martial Coulibaly ( martial.coulibaly@gfi.com ) on behalf of Orange
  30  *
  31  */
  32 public class RendererListenerImpl implements TransportpceRendererListener {
  33
  34     private static final Logger LOG = LoggerFactory.getLogger(RendererListenerImpl.class);
  35     private ServiceRpcResultSp serviceRpcResultSp;
  36     private ServiceDataStoreOperations serviceDataStoreOperations;
  37     private ServiceInput input;
  38     private PCEServiceWrapper pceServiceWrapper;
  39     private Boolean tempService;
  40
  41     public RendererListenerImpl(PathComputationService pathComputationService,
  42             NotificationPublishService notificationPublishService) {
  43         this.pceServiceWrapper = new PCEServiceWrapper(pathComputationService, notificationPublishService);
  44         setServiceInput(null);
  45         setTempService(false);
  46     }
  47
  48     @Override
  49     public void onServiceRpcResultSp(ServiceRpcResultSp notification) {
  50         if (compareServiceRpcResultSp(notification)) {
  51             LOG.warn("ServiceRpcResultSp already wired !");
  52             return;
  53         }
  54         serviceRpcResultSp = notification;
  55         String serviceName = serviceRpcResultSp.getServiceName();
  56         int notifType = serviceRpcResultSp.getNotificationType().getIntValue();
  57         LOG.info("Renderer '{}' Notification received : {}", serviceRpcResultSp.getNotificationType().getName(),
  58                 notification);
  59         switch (notifType) {
  60             /* service-implementation-request. */
  61             case 3 :
  62                 onServiceImplementationResult(serviceName);
  63                 break;
  64             /* service-delete. */
  65             case 4 :
  66                 onServiceDeleteResult(serviceName);
  67                 break;
  68             default:
  69                 break;
  70         }
  71     }
  72
  73     /**
  74      * Process service delete result for serviceName.
  75      * @param serviceName String
  76      */
  77     private void onServiceDeleteResult(String serviceName) {
  78         if (serviceRpcResultSp.getStatus() == RpcStatusEx.Failed) {
  79             LOG.error("Renderer service delete failed !");
  80             return;
  81         } else if (serviceRpcResultSp.getStatus() == RpcStatusEx.Pending) {
  82             LOG.warn("Renderer service delete returned a Penging RpcStatusEx code!");
  83             return;
  84         } else if (serviceRpcResultSp.getStatus() != RpcStatusEx.Successful) {
  85             LOG.error("Renderer service delete returned an unknown RpcStatusEx code!");
  86             return;
  87         }
  88         LOG.info("Service '{}' deleted !", serviceName);
  89         if (this.input == null) {
  90             LOG.error("ServiceInput parameter is null !");
  91             return;
  92         }
  93         LOG.info("sending PCE cancel resource reserve for '{}'",  this.input.getServiceName());
  94         this.pceServiceWrapper.cancelPCEResource(this.input.getServiceName(),
  95                 ServiceNotificationTypes.ServiceDeleteResult);
  96     }
  97
  98     /**
  99      * Process service implementation result for serviceName.
 100      * @param serviceName String
 101      * @param serviceName String
 102      */
 103     private void onServiceImplementationResult(String serviceName) {
 104         if (serviceRpcResultSp.getStatus() == RpcStatusEx.Successful) {
 105             onSuccededServiceImplementation();
 106         } else if (serviceRpcResultSp.getStatus() == RpcStatusEx.Failed) {
 107             onFailedServiceImplementation(serviceName);
 108         } else if (serviceRpcResultSp.getStatus() == RpcStatusEx.Pending) {
 109             LOG.warn("Service Implementation still pending according to RpcStatusEx");
 110         } else {
 111             LOG.warn("Service Implementation has an unknown RpcStatusEx code");
 112         }
 113
 114     }
 115
 116     /**
 117      * Process succeeded service implementation for service.
 118      */
 119     private void onSuccededServiceImplementation() {
 120         LOG.info("Service implemented !");
 121         if (serviceDataStoreOperations == null) {
 122             LOG.debug("serviceDataStoreOperations is null");
 123             return;
 124         }
 125         OperationResult operationResult = null;
 126         if (tempService) {
 127             operationResult = this.serviceDataStoreOperations.modifyTempService(
 128                     serviceRpcResultSp.getServiceName(), State.InService, AdminStates.InService);
 129             if (!operationResult.isSuccess()) {
 130                 LOG.warn("Temp Service status not updated in datastore !");
 131             }
 132         } else {
 133             operationResult = this.serviceDataStoreOperations.modifyService(
 134                     serviceRpcResultSp.getServiceName(),
 135                     State.InService,
 136                     AdminStates.InService);
 137             if (!operationResult.isSuccess()) {
 138                 LOG.warn("Service status not updated in datastore !");
 139             }
 140         }
 141     }
 142
 143     /**
 144      * Process failed service implementation for serviceName.
 145      * @param serviceName String
 146      */
 147     private void onFailedServiceImplementation(String serviceName) {
 148         LOG.error("Renderer implementation failed !");
 149         OperationResult deleteServicePathOperationResult =
 150                 this.serviceDataStoreOperations.deleteServicePath(serviceName);
 151         if (!deleteServicePathOperationResult.isSuccess()) {
 152             LOG.warn("Service path was not removed from datastore!");
 153         }
 154         if (tempService) {
 155             OperationResult deleteServiceOperationResult =
 156                     this.serviceDataStoreOperations.deleteTempService(serviceName);
 157             if (!deleteServiceOperationResult.isSuccess()) {
 158                 LOG.warn("Temp Service was not removed from datastore!");
 159             }
 160         } else {
 161             OperationResult deleteServiceOperationResult =
 162                     this.serviceDataStoreOperations.deleteService(serviceName);
 163             if (!deleteServiceOperationResult.isSuccess()) {
 164                 LOG.warn("Service was not removed from datastore!");
 165             }
 166         }
 167     }
 168
 169     @SuppressFBWarnings(
 170         value = "ES_COMPARING_STRINGS_WITH_EQ",
 171         justification = "false positives, not strings but real object references comparisons")
 172     private Boolean compareServiceRpcResultSp(ServiceRpcResultSp notification) {
 173         if (serviceRpcResultSp == null) {
 174             return false;
 175         }
 176         if (serviceRpcResultSp.getNotificationType() != notification.getNotificationType()) {
 177             return false;
 178         }
 179         if (serviceRpcResultSp.getServiceName() != notification.getServiceName()) {
 180             return false;
 181         }
 182         if (serviceRpcResultSp.getStatus() != notification.getStatus()) {
 183             return false;
 184         }
 185         if (serviceRpcResultSp.getStatusMessage() != notification.getStatusMessage()) {
 186             return false;
 187         }
 188         return true;
 189     }
 190
 191     public void setServiceInput(ServiceInput serviceInput) {
 192         this.input = serviceInput;
 193     }
 194
 195     public void setserviceDataStoreOperations(ServiceDataStoreOperations serviceData) {
 196         this.serviceDataStoreOperations = serviceData;
 197     }
 198
 199     public void setTempService(Boolean tempService) {
 200         this.tempService = tempService;
 201     }
 202 }