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.Successful) {
  86             LOG.info("PCE calculation done OK !");
  87             if (servicePathRpcResult.getPathDescription() != null) {
  88                 PathDescription pathDescription = new PathDescriptionBuilder()
  89                         .setAToZDirection(servicePathRpcResult.getPathDescription().getAToZDirection())
  90                     .setZToADirection(servicePathRpcResult.getPathDescription().getZToADirection()).build();
  91                 LOG.info("PathDescription gets : {}", pathDescription);
  92                 if (!serviceFeasiblity) {
  93                     if (input == null) {
  94                         LOG.error("Input is null !");
  95                     } else {
  96                         OperationResult operationResult = null;
  97                         if (tempService) {
  98                             operationResult = this.serviceDataStoreOperations
  99                                     .createTempService(input.getTempServiceCreateInput());
 100                             if (!operationResult.isSuccess()) {
 101                                 LOG.error("Temp Service not created in datastore !");
 102                             }
 103                         } else {
 104                             operationResult = this.serviceDataStoreOperations
 105                                     .createService(input.getServiceCreateInput());
 106                             if (!operationResult.isSuccess()) {
 107                                 LOG.error("Service not created in datastore !");
 108                             }
 109                         }
 110                         ResponseParameters responseParameters = new ResponseParametersBuilder()
 111                                 .setPathDescription(new org.opendaylight.yang.gen.v1.http.org
 112                                         .transportpce.b.c._interface.service.types.rev200128
 113                                         .response.parameters.sp.response.parameters
 114                                         .PathDescriptionBuilder(pathDescription).build())
 115                                 .build();
 116                         PathComputationRequestOutput pceResponse = new PathComputationRequestOutputBuilder()
 117                                 .setResponseParameters(responseParameters).build();
 118                         OperationResult operationServicePathSaveResult = this.serviceDataStoreOperations
 119                                 .createServicePath(input, pceResponse);
 120                         if (!operationServicePathSaveResult.isSuccess()) {
 121                             LOG.error("Service Path not created in datastore !");
 122                         }
 123                         ServiceImplementationRequestInput serviceImplementationRequest = ModelMappingUtils
 124                                 .createServiceImplementationRequest(input, pathDescription);
 125                         LOG.info("Sending serviceImplementation request : {}", serviceImplementationRequest);
 126                         this.rendererServiceOperations.serviceImplementation(serviceImplementationRequest);
 127                     }
 128                 } else {
 129                     LOG.warn("service-feasibility-check RPC ");
 130                 }
 131             } else {
 132                 LOG.error("'PathDescription' parameter is null ");
 133             }
 134         } else if (servicePathRpcResult.getStatus() == RpcStatusEx.Failed) {
 135             LOG.error("PCE path computation failed !");
 136         }
 137     }
 138
 139     /**
 140      * Process cancel resource result.
 141      */
 142     private void onCancelResourceResult() {
 143         if (servicePathRpcResult.getStatus() == RpcStatusEx.Successful) {
 144             LOG.info("PCE cancel resource done OK !");
 145             OperationResult deleteServicePathOperationResult =
 146                     this.serviceDataStoreOperations.deleteServicePath(input.getServiceName());
 147             if (!deleteServicePathOperationResult.isSuccess()) {
 148                 LOG.warn("Service path was not removed from datastore!");
 149             }
 150             OperationResult deleteServiceOperationResult = null;
 151             if (tempService) {
 152                 deleteServiceOperationResult =
 153                         this.serviceDataStoreOperations.deleteTempService(input.getServiceName());
 154                 if (!deleteServiceOperationResult.isSuccess()) {
 155                     LOG.warn("Service was not removed from datastore!");
 156                 }
 157             } else {
 158                 deleteServiceOperationResult =
 159                         this.serviceDataStoreOperations.deleteService(input.getServiceName());
 160                 if (!deleteServiceOperationResult.isSuccess()) {
 161                     LOG.warn("Service was not removed from datastore!");
 162                 }
 163             }
 164             /**
 165              * if it was an RPC serviceReconfigure, re-launch PCR.
 166              */
 167             if (this.serviceReconfigure) {
 168                 LOG.info("cancel resource reserve done, relaunching PCE path computation ...");
 169                 this.pceServiceWrapper.performPCE(input.getServiceCreateInput(), true);
 170                 this.serviceReconfigure = false;
 171             }
 172         } else if (servicePathRpcResult.getStatus() == RpcStatusEx.Failed) {
 173             LOG.info("PCE cancel resource failed !");
 174         }
 175     }
 176
 177     @SuppressFBWarnings(
 178         value = "ES_COMPARING_STRINGS_WITH_EQ",
 179         justification = "false positives, not strings but real object references comparisons")
 180     private Boolean compareServicePathRpcResult(ServicePathRpcResult notification) {
 181         Boolean result = true;
 182         if (servicePathRpcResult == null) {
 183             result = false;
 184         } else {
 185             if (servicePathRpcResult.getNotificationType() != notification.getNotificationType()) {
 186                 result = false;
 187             }
 188             if (servicePathRpcResult.getServiceName() != notification.getServiceName()) {
 189                 result = false;
 190             }
 191             if (servicePathRpcResult.getStatus() != notification.getStatus()) {
 192                 result = false;
 193             }
 194             if (servicePathRpcResult.getStatusMessage() != notification.getStatusMessage()) {
 195                 result = false;
 196             }
 197         }
 198         return result;
 199     }
 200
 201     public void setInput(ServiceInput serviceInput) {
 202         this.input = serviceInput;
 203     }
 204
 205     public void setServiceReconfigure(Boolean serv) {
 206         this.serviceReconfigure = serv;
 207     }
 208
 209     public void setserviceDataStoreOperations(ServiceDataStoreOperations serviceData) {
 210         this.serviceDataStoreOperations = serviceData;
 211     }
 212
 213     public void setTempService(Boolean tempService) {
 214         this.tempService = tempService;
 215     }
 216
 217     public void setServiceFeasiblity(Boolean serviceFeasiblity) {
 218         this.serviceFeasiblity = serviceFeasiblity;
 219     }
 220
 221 }