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 org.opendaylight.mdsal.binding.api.NotificationPublishService;
  11 import org.opendaylight.transportpce.common.OperationResult;
  12 import org.opendaylight.transportpce.pce.service.PathComputationService;
  13 import org.opendaylight.transportpce.renderer.provisiondevice.RendererServiceOperations;
  14 import org.opendaylight.transportpce.servicehandler.ModelMappingUtils;
  15 import org.opendaylight.transportpce.servicehandler.ServiceInput;
  16 import org.opendaylight.transportpce.servicehandler.service.PCEServiceWrapper;
  17 import org.opendaylight.transportpce.servicehandler.service.ServiceDataStoreOperations;
  18 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev190624.PathComputationRequestOutput;
  19 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev190624.PathComputationRequestOutputBuilder;
  20 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev190624.ServicePathRpcResult;
  21 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev190624.TransportpcePceListener;
  22 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev190624.service.path.rpc.result.PathDescription;
  23 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev190624.service.path.rpc.result.PathDescriptionBuilder;
  24 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.rev171017.ServiceImplementationRequestInput;
  25 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.service.types.rev191009.RpcStatusEx;
  26 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.service.types.rev191009.response.parameters.sp.ResponseParameters;
  27 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.service.types.rev191009.response.parameters.sp.ResponseParametersBuilder;
  28 import org.slf4j.Logger;
  29 import org.slf4j.LoggerFactory;
  30
  31 public class PceListenerImpl implements TransportpcePceListener {
  32
  33     private static final Logger LOG = LoggerFactory.getLogger(PceListenerImpl.class);
  34
  35     private ServicePathRpcResult servicePathRpcResult;
  36     private RendererServiceOperations rendererServiceOperations;
  37     private ServiceDataStoreOperations serviceDataStoreOperations;
  38     private PCEServiceWrapper pceServiceWrapper;
  39     private ServiceInput input;
  40     private Boolean serviceReconfigure;
  41     private Boolean tempService;
  42     private Boolean serviceFeasiblity;
  43
  44     public PceListenerImpl(RendererServiceOperations rendererServiceOperations,
  45             PathComputationService pathComputationService, NotificationPublishService notificationPublishService,
  46             ServiceDataStoreOperations serviceDataStoreOperations) {
  47         this.rendererServiceOperations = rendererServiceOperations;
  48         this.pceServiceWrapper = new PCEServiceWrapper(pathComputationService, notificationPublishService);
  49         this.serviceDataStoreOperations = serviceDataStoreOperations;
  50         setServiceReconfigure(false);
  51         setInput(null);
  52         setTempService(false);
  53         setServiceFeasiblity(false);
  54     }
  55
  56     @Override
  57     public void onServicePathRpcResult(ServicePathRpcResult notification) {
  58         if (!compareServicePathRpcResult(notification)) {
  59             servicePathRpcResult = notification;
  60             PathDescription pathDescription = null;
  61             switch (servicePathRpcResult.getNotificationType().getIntValue()) {
  62                 /* path-computation-request. */
  63                 case 1:
  64                     LOG.info("PCE '{}' Notification received : {}",servicePathRpcResult.getNotificationType().getName(),
  65                             notification);
  66                     if (servicePathRpcResult.getStatus() == RpcStatusEx.Successful) {
  67                         LOG.info("PCE calculation done OK !");
  68                         if (servicePathRpcResult.getPathDescription() != null) {
  69                             pathDescription = new PathDescriptionBuilder()
  70                                     .setAToZDirection(servicePathRpcResult.getPathDescription().getAToZDirection())
  71                                 .setZToADirection(servicePathRpcResult.getPathDescription().getZToADirection()).build();
  72                             LOG.info("PathDescription gets : {}", pathDescription);
  73                             if (!serviceFeasiblity) {
  74                                 if (input == null) {
  75                                     LOG.error("Input is null !");
  76                                     return;
  77                                 }
  78                                 OperationResult operationResult = null;
  79                                 if (tempService) {
  80                                     operationResult = this.serviceDataStoreOperations
  81                                         .createTempService(input.getTempServiceCreateInput());
  82                                     if (!operationResult.isSuccess()) {
  83                                         LOG.error("Temp Service not created in datastore !");
  84                                     }
  85                                 } else {
  86                                     operationResult = this.serviceDataStoreOperations
  87                                         .createService(input.getServiceCreateInput());
  88                                     if (!operationResult.isSuccess()) {
  89                                         LOG.error("Service not created in datastore !");
  90                                     }
  91                                 }
  92                                 ResponseParameters responseParameters = new ResponseParametersBuilder()
  93                                         .setPathDescription(new org.opendaylight.yang.gen.v1.http.org.transportpce.b.c
  94                                                 ._interface.service.types.rev191009.response.parameters.sp.response
  95                                                 .parameters.PathDescriptionBuilder(pathDescription).build())
  96                                         .build();
  97                                 PathComputationRequestOutput pceResponse = new PathComputationRequestOutputBuilder()
  98                                         .setResponseParameters(responseParameters).build();
  99                                 OperationResult operationServicePathSaveResult =
 100                                         this.serviceDataStoreOperations.createServicePath(input, pceResponse);
 101                                 if (!operationServicePathSaveResult.isSuccess()) {
 102                                     LOG.error("Service Path not created in datastore !");
 103                                 }
 104                                 ServiceImplementationRequestInput serviceImplementationRequest =
 105                                         ModelMappingUtils.createServiceImplementationRequest(input, pathDescription);
 106                                 LOG.info("Sending serviceImplementation request : {}", serviceImplementationRequest);
 107                                 this.rendererServiceOperations.serviceImplementation(serviceImplementationRequest);
 108                             } else {
 109                                 LOG.warn("service-feasibility-check RPC ");
 110                             }
 111                         } else {
 112                             LOG.error("'PathDescription' parameter is null ");
 113                             return;
 114                         }
 115                     } else if (servicePathRpcResult.getStatus() == RpcStatusEx.Failed) {
 116                         LOG.error("PCE path computation failed !");
 117                         return;
 118                     }
 119                     break;
 120                 /* cancel-resource-reserve. */
 121                 case 2:
 122                     if (servicePathRpcResult.getStatus() == RpcStatusEx.Successful) {
 123                         LOG.info("PCE cancel resource done OK !");
 124                         OperationResult deleteServicePathOperationResult =
 125                                 this.serviceDataStoreOperations.deleteServicePath(input.getServiceName());
 126                         if (!deleteServicePathOperationResult.isSuccess()) {
 127                             LOG.warn("Service path was not removed from datastore!");
 128                         }
 129                         OperationResult deleteServiceOperationResult = null;
 130                         if (tempService) {
 131                             deleteServiceOperationResult =
 132                                     this.serviceDataStoreOperations.deleteTempService(input.getServiceName());
 133                             if (!deleteServiceOperationResult.isSuccess()) {
 134                                 LOG.warn("Service was not removed from datastore!");
 135                             }
 136                         } else {
 137                             deleteServiceOperationResult =
 138                                     this.serviceDataStoreOperations.deleteService(input.getServiceName());
 139                             if (!deleteServiceOperationResult.isSuccess()) {
 140                                 LOG.warn("Service was not removed from datastore!");
 141                             }
 142                         }
 143                         /**
 144                          * if it was an RPC serviceReconfigure, re-launch PCR.
 145                          */
 146                         if (this.serviceReconfigure) {
 147                             LOG.info("cancel resource reserve done, relaunching PCE path computation ...");
 148                             this.pceServiceWrapper.performPCE(input.getServiceCreateInput(), true);
 149                             this.serviceReconfigure = false;
 150                         }
 151                     } else if (servicePathRpcResult.getStatus() == RpcStatusEx.Failed) {
 152                         LOG.info("PCE cancel resource failed !");
 153                     }
 154                     break;
 155                 default:
 156                     break;
 157             }
 158         } else {
 159             LOG.warn("ServicePathRpcResult already wired !");
 160         }
 161     }
 162
 163     private Boolean compareServicePathRpcResult(ServicePathRpcResult notification) {
 164         Boolean result = true;
 165         if (servicePathRpcResult == null) {
 166             result = false;
 167         } else {
 168             if (servicePathRpcResult.getNotificationType() != notification.getNotificationType()) {
 169                 result = false;
 170             }
 171             if (servicePathRpcResult.getServiceName() != notification.getServiceName()) {
 172                 result = false;
 173             }
 174             if (servicePathRpcResult.getStatus() != notification.getStatus()) {
 175                 result = false;
 176             }
 177             if (servicePathRpcResult.getStatusMessage() != notification.getStatusMessage()) {
 178                 result = false;
 179             }
 180         }
 181         return result;
 182     }
 183
 184     public void setInput(ServiceInput serviceInput) {
 185         this.input = serviceInput;
 186     }
 187
 188     public void setServiceReconfigure(Boolean serv) {
 189         this.serviceReconfigure = serv;
 190     }
 191
 192     public void setserviceDataStoreOperations(ServiceDataStoreOperations serviceData) {
 193         this.serviceDataStoreOperations = serviceData;
 194     }
 195
 196     public void setTempService(Boolean tempService) {
 197         this.tempService = tempService;
 198     }
 199
 200     public void setServiceFeasiblity(Boolean serviceFeasiblity) {
 201         this.serviceFeasiblity = serviceFeasiblity;
 202     }
 203
 204 }