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.controller.md.sal.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.rev171016.RpcStatusEx;
  26 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.service.types.rev171016.response.parameters.sp.ResponseParameters;
  27 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.service.types.rev171016.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                 case 1: /** path-computation-request. */
  63                     LOG.info("PCE '{}' Notification received : {}",servicePathRpcResult.getNotificationType().getName(),
  64                             notification);
  65                     if (servicePathRpcResult.getStatus() == RpcStatusEx.Successful) {
  66                         LOG.info("PCE calculation done OK !");
  67                         if (servicePathRpcResult.getPathDescription() != null) {
  68                             pathDescription = new PathDescriptionBuilder()
  69                                     .setAToZDirection(servicePathRpcResult.getPathDescription().getAToZDirection())
  70                                 .setZToADirection(servicePathRpcResult.getPathDescription().getZToADirection()).build();
  71                             LOG.info("PathDescription gets : {}", pathDescription);
  72                             if (!serviceFeasiblity) {
  73                                 if (input == null) {
  74                                     LOG.error("Input is null !");
  75                                     return;
  76                                 }
  77                                 OperationResult operationResult = null;
  78                                 if (tempService) {
  79                                     operationResult = this.serviceDataStoreOperations
  80                                         .createTempService(input.getTempServiceCreateInput());
  81                                     if (!operationResult.isSuccess()) {
  82                                         LOG.error("Temp Service not created in datastore !");
  83                                     }
  84                                 } else {
  85                                     operationResult = this.serviceDataStoreOperations
  86                                         .createService(input.getServiceCreateInput());
  87                                     if (!operationResult.isSuccess()) {
  88                                         LOG.error("Service not created in datastore !");
  89                                     }
  90                                 }
  91                                 ResponseParameters responseParameters = new ResponseParametersBuilder()
  92                                         .setPathDescription(new org.opendaylight.yang.gen.v1.http.org.transportpce.b.c
  93                                                 ._interface.service.types.rev171016.response.parameters.sp.response
  94                                                 .parameters.PathDescriptionBuilder(pathDescription).build())
  95                                         .build();
  96                                 PathComputationRequestOutput pceResponse = new PathComputationRequestOutputBuilder()
  97                                         .setResponseParameters(responseParameters).build();
  98                                 OperationResult operationServicePathSaveResult =
  99                                         this.serviceDataStoreOperations.createServicePath(input, pceResponse);
 100                                 if (!operationServicePathSaveResult.isSuccess()) {
 101                                     LOG.error("Service Path not created in datastore !");
 102                                 }
 103                                 ServiceImplementationRequestInput serviceImplementationRequest =
 104                                         ModelMappingUtils.createServiceImplementationRequest(input, pathDescription);
 105                                 LOG.info("Sending serviceImplementation request : {}", serviceImplementationRequest);
 106                                 this.rendererServiceOperations.serviceImplementation(serviceImplementationRequest);
 107                             } else {
 108                                 LOG.warn("service-feasibility-check RPC ");
 109                             }
 110                         } else {
 111                             LOG.error("'PathDescription' parameter is null ");
 112                             return;
 113                         }
 114                     } else if (servicePathRpcResult.getStatus() == RpcStatusEx.Failed) {
 115                         LOG.error("PCE path computation failed !");
 116                         return;
 117                     }
 118                     break;
 119                 case 2: /** cancel-resource-reserve. */
 120                     if (servicePathRpcResult.getStatus() == RpcStatusEx.Successful) {
 121                         LOG.info("PCE cancel resource done OK !");
 122                         OperationResult deleteServicePathOperationResult =
 123                                 this.serviceDataStoreOperations.deleteServicePath(input.getServiceName());
 124                         if (!deleteServicePathOperationResult.isSuccess()) {
 125                             LOG.warn("Service path was not removed from datastore!");
 126                         }
 127                         OperationResult deleteServiceOperationResult = null;
 128                         if (tempService) {
 129                             deleteServiceOperationResult =
 130                                     this.serviceDataStoreOperations.deleteTempService(input.getServiceName());
 131                             if (!deleteServiceOperationResult.isSuccess()) {
 132                                 LOG.warn("Service was not removed from datastore!");
 133                             }
 134                         } else {
 135                             deleteServiceOperationResult =
 136                                     this.serviceDataStoreOperations.deleteService(input.getServiceName());
 137                             if (!deleteServiceOperationResult.isSuccess()) {
 138                                 LOG.warn("Service was not removed from datastore!");
 139                             }
 140                         }
 141                         /**
 142                          * if it was an RPC serviceReconfigure, re-launch PCR.
 143                          */
 144                         if (this.serviceReconfigure) {
 145                             LOG.info("cancel resource reserve done, relaunching PCE path computation ...");
 146                             this.pceServiceWrapper.performPCE(input.getServiceCreateInput(), true);
 147                             this.serviceReconfigure = false;
 148                         }
 149                     } else if (servicePathRpcResult.getStatus() == RpcStatusEx.Failed) {
 150                         LOG.info("PCE cancel resource failed !");
 151                     }
 152                     break;
 153                 default:
 154                     break;
 155             }
 156         } else {
 157             LOG.warn("ServicePathRpcResult already wired !");
 158         }
 159     }
 160
 161     private Boolean compareServicePathRpcResult(ServicePathRpcResult notification) {
 162         Boolean result = true;
 163         if (servicePathRpcResult == null) {
 164             result = false;
 165         } else {
 166             if (servicePathRpcResult.getNotificationType() != notification.getNotificationType()) {
 167                 result = false;
 168             }
 169             if (servicePathRpcResult.getServiceName() != notification.getServiceName()) {
 170                 result = false;
 171             }
 172             if (servicePathRpcResult.getStatus() != notification.getStatus()) {
 173                 result = false;
 174             }
 175             if (servicePathRpcResult.getStatusMessage() != notification.getStatusMessage()) {
 176                 result = false;
 177             }
 178         }
 179         return result;
 180     }
 181
 182     public void setInput(ServiceInput serviceInput) {
 183         this.input = serviceInput;
 184     }
 185
 186     public void setServiceReconfigure(Boolean serv) {
 187         this.serviceReconfigure = serv;
 188     }
 189
 190     public void setserviceDataStoreOperations(ServiceDataStoreOperations serviceData) {
 191         this.serviceDataStoreOperations = serviceData;
 192     }
 193
 194     public void setTempService(Boolean tempService) {
 195         this.tempService = tempService;
 196     }
 197
 198     public void setServiceFeasiblity(Boolean serviceFeasiblity) {
 199         this.serviceFeasiblity = serviceFeasiblity;
 200     }
 201
 202 }