servicehandler/src/main/java/org/opendaylight/transportpce/servicehandler/listeners/PceListenerImpl.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.renderer.provisiondevice.RendererServiceOperations;
  15 import org.opendaylight.transportpce.servicehandler.ModelMappingUtils;
  16 import org.opendaylight.transportpce.servicehandler.ServiceInput;
  17 import org.opendaylight.transportpce.servicehandler.service.PCEServiceWrapper;
  18 import org.opendaylight.transportpce.servicehandler.service.ServiceDataStoreOperations;
  19 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev200128.PathComputationRequestOutput;
  20 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev200128.PathComputationRequestOutputBuilder;
  21 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev200128.ServicePathRpcResult;
  22 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev200128.TransportpcePceListener;
  23 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev200128.service.path.rpc.result.PathDescription;
  24 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev200128.service.path.rpc.result.PathDescriptionBuilder;
  25 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.rev200520.ServiceImplementationRequestInput;
  26 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.service.types.rev200128.RpcStatusEx;
  27 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.service.types.rev200128.response.parameters.sp.ResponseParameters;
  28 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.service.types.rev200128.response.parameters.sp.ResponseParametersBuilder;
  29 import org.slf4j.Logger;
  30 import org.slf4j.LoggerFactory;
  31
  32 public class PceListenerImpl implements TransportpcePceListener {
  33
  34     private static final Logger LOG = LoggerFactory.getLogger(PceListenerImpl.class);
  35
  36     private ServicePathRpcResult servicePathRpcResult;
  37     private RendererServiceOperations rendererServiceOperations;
  38     private ServiceDataStoreOperations serviceDataStoreOperations;
  39     private PCEServiceWrapper pceServiceWrapper;
  40     private ServiceInput input;
  41     private Boolean serviceReconfigure;
  42     private Boolean tempService;
  43     private Boolean serviceFeasiblity;
  44
  45     public PceListenerImpl(RendererServiceOperations rendererServiceOperations,
  46             PathComputationService pathComputationService, NotificationPublishService notificationPublishService,
  47             ServiceDataStoreOperations serviceDataStoreOperations) {
  48         this.rendererServiceOperations = rendererServiceOperations;
  49         this.pceServiceWrapper = new PCEServiceWrapper(pathComputationService, notificationPublishService);
  50         this.serviceDataStoreOperations = serviceDataStoreOperations;
  51         setServiceReconfigure(false);
  52         setInput(null);
  53         setTempService(false);
  54         setServiceFeasiblity(false);
  55     }
  56
  57     @Override
  58     public void onServicePathRpcResult(ServicePathRpcResult notification) {
  59         if (!compareServicePathRpcResult(notification)) {
  60             servicePathRpcResult = notification;
  61             switch (servicePathRpcResult.getNotificationType().getIntValue()) {
  62                 /* path-computation-request. */
  63                 case 1:
  64                     onPathComputationResult(notification);
  65                     break;
  66                 /* cancel-resource-reserve. */
  67                 case 2:
  68                     onCancelResourceResult();
  69                     break;
  70                 default:
  71                     break;
  72             }
  73         } else {
  74             LOG.warn("ServicePathRpcResult already wired !");
  75         }
  76     }
  77
  78     /**
  79      * Process path computation request result.
  80      * @param notification the result notification.
  81      */
  82     private void onPathComputationResult(ServicePathRpcResult notification) {
  83         LOG.info("PCE '{}' Notification received : {}",servicePathRpcResult.getNotificationType().getName(),
  84                 notification);
  85         if (servicePathRpcResult.getStatus() == RpcStatusEx.Failed) {
  86             LOG.error("PCE path computation failed !");
  87             return;
  88         } else if (servicePathRpcResult.getStatus() == RpcStatusEx.Pending) {
  89             LOG.warn("PCE path computation returned a Penging RpcStatusEx code!");
  90             return;
  91         } else if (servicePathRpcResult.getStatus() != RpcStatusEx.Successful) {
  92             LOG.error("PCE path computation returned an unknown RpcStatusEx code!");
  93             return;
  94         }
  95
  96         LOG.info("PCE calculation done OK !");
  97         if (servicePathRpcResult.getPathDescription() == null) {
  98             LOG.error("'PathDescription' parameter is null ");
  99             return;
 100         }
 101         PathDescription pathDescription = new PathDescriptionBuilder()
 102                 .setAToZDirection(servicePathRpcResult.getPathDescription().getAToZDirection())
 103                 .setZToADirection(servicePathRpcResult.getPathDescription().getZToADirection())
 104                 .build();
 105         LOG.info("PathDescription gets : {}", pathDescription);
 106         if (serviceFeasiblity) {
 107             LOG.warn("service-feasibility-check RPC ");
 108             return;
 109         }
 110         if (input == null) {
 111             LOG.error("Input is null !");
 112             return;
 113         }
 114         OperationResult operationResult = null;
 115         if (tempService) {
 116             operationResult = this.serviceDataStoreOperations.createTempService(input.getTempServiceCreateInput());
 117             if (!operationResult.isSuccess()) {
 118                 LOG.error("Temp Service not created in datastore !");
 119             }
 120         } else {
 121             operationResult = this.serviceDataStoreOperations.createService(input.getServiceCreateInput());
 122             if (!operationResult.isSuccess()) {
 123                 LOG.error("Service not created in datastore !");
 124             }
 125         }
 126         ResponseParameters responseParameters = new ResponseParametersBuilder()
 127                 .setPathDescription(new org.opendaylight.yang.gen.v1.http.org
 128                         .transportpce.b.c._interface.service.types.rev200128
 129                         .response.parameters.sp.response.parameters
 130                         .PathDescriptionBuilder(pathDescription).build())
 131                 .build();
 132         PathComputationRequestOutput pceResponse = new PathComputationRequestOutputBuilder()
 133                 .setResponseParameters(responseParameters).build();
 134         OperationResult operationServicePathSaveResult = this.serviceDataStoreOperations
 135                 .createServicePath(input, pceResponse);
 136         if (!operationServicePathSaveResult.isSuccess()) {
 137             LOG.error("Service Path not created in datastore !");
 138         }
 139         ServiceImplementationRequestInput serviceImplementationRequest = ModelMappingUtils
 140                 .createServiceImplementationRequest(input, pathDescription);
 141         LOG.info("Sending serviceImplementation request : {}", serviceImplementationRequest);
 142         this.rendererServiceOperations.serviceImplementation(serviceImplementationRequest);
 143     }
 144
 145     /**
 146      * Process cancel resource result.
 147      */
 148     private void onCancelResourceResult() {
 149         if (servicePathRpcResult.getStatus() == RpcStatusEx.Failed) {
 150             LOG.info("PCE cancel resource failed !");
 151             return;
 152         } else if (servicePathRpcResult.getStatus() == RpcStatusEx.Pending) {
 153             LOG.warn("PCE cancel returned a Penging RpcStatusEx code!");
 154             return;
 155         } else if (servicePathRpcResult.getStatus() != RpcStatusEx.Successful) {
 156             LOG.error("PCE cancel returned an unknown RpcStatusEx code!");
 157             return;
 158         }
 159         LOG.info("PCE cancel resource done OK !");
 160         OperationResult deleteServicePathOperationResult =
 161                 this.serviceDataStoreOperations.deleteServicePath(input.getServiceName());
 162         if (!deleteServicePathOperationResult.isSuccess()) {
 163             LOG.warn("Service path was not removed from datastore!");
 164         }
 165         OperationResult deleteServiceOperationResult = null;
 166         if (tempService) {
 167             deleteServiceOperationResult =
 168                     this.serviceDataStoreOperations.deleteTempService(input.getServiceName());
 169             if (!deleteServiceOperationResult.isSuccess()) {
 170                 LOG.warn("Temp Service was not removed from datastore!");
 171             }
 172         } else {
 173             deleteServiceOperationResult =
 174                     this.serviceDataStoreOperations.deleteService(input.getServiceName());
 175             if (!deleteServiceOperationResult.isSuccess()) {
 176                 LOG.warn("Service was not removed from datastore!");
 177             }
 178         }
 179         /**
 180          * if it was an RPC serviceReconfigure, re-launch PCR.
 181          */
 182         if (this.serviceReconfigure) {
 183             LOG.info("cancel resource reserve done, relaunching PCE path computation ...");
 184             this.pceServiceWrapper.performPCE(input.getServiceCreateInput(), true);
 185             this.serviceReconfigure = false;
 186         }
 187     }
 188
 189     @SuppressFBWarnings(
 190         value = "ES_COMPARING_STRINGS_WITH_EQ",
 191         justification = "false positives, not strings but real object references comparisons")
 192     private Boolean compareServicePathRpcResult(ServicePathRpcResult notification) {
 193         if (servicePathRpcResult == null) {
 194             return false;
 195         }
 196         if (servicePathRpcResult.getNotificationType() != notification.getNotificationType()) {
 197             return false;
 198         }
 199         if (servicePathRpcResult.getServiceName() != notification.getServiceName()) {
 200             return false;
 201         }
 202         if (servicePathRpcResult.getStatus() != notification.getStatus()) {
 203             return false;
 204         }
 205         if (servicePathRpcResult.getStatusMessage() != notification.getStatusMessage()) {
 206             return false;
 207         }
 208         return true;
 209     }
 210
 211     public void setInput(ServiceInput serviceInput) {
 212         this.input = serviceInput;
 213     }
 214
 215     public void setServiceReconfigure(Boolean serv) {
 216         this.serviceReconfigure = serv;
 217     }
 218
 219     public void setserviceDataStoreOperations(ServiceDataStoreOperations serviceData) {
 220         this.serviceDataStoreOperations = serviceData;
 221     }
 222
 223     public void setTempService(Boolean tempService) {
 224         this.tempService = tempService;
 225     }
 226
 227     public void setServiceFeasiblity(Boolean serviceFeasiblity) {
 228         this.serviceFeasiblity = serviceFeasiblity;
 229     }
 230
 231 }