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.rev200128.PathComputationRequestOutput;
  19 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev200128.PathComputationRequestOutputBuilder;
  20 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev200128.ServicePathRpcResult;
  21 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev200128.TransportpcePceListener;
  22 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev200128.service.path.rpc.result.PathDescription;
  23 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev200128.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.rev200128.RpcStatusEx;
  26 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.service.types.rev200128.response.parameters.sp.ResponseParameters;
  27 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.service.types.rev200128.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
  94                                                 .transportpce.b.c._interface.service.types.rev200128
  95                                                 .response.parameters.sp.response.parameters
  96                                                 .PathDescriptionBuilder(pathDescription).build())
  97                                         .build();
  98                                 PathComputationRequestOutput pceResponse = new PathComputationRequestOutputBuilder()
  99                                         .setResponseParameters(responseParameters).build();
 100                                 OperationResult operationServicePathSaveResult =
 101                                         this.serviceDataStoreOperations.createServicePath(input, pceResponse);
 102                                 if (!operationServicePathSaveResult.isSuccess()) {
 103                                     LOG.error("Service Path not created in datastore !");
 104                                 }
 105                                 ServiceImplementationRequestInput serviceImplementationRequest =
 106                                         ModelMappingUtils.createServiceImplementationRequest(input, pathDescription);
 107                                 LOG.info("Sending serviceImplementation request : {}", serviceImplementationRequest);
 108                                 this.rendererServiceOperations.serviceImplementation(serviceImplementationRequest);
 109                             } else {
 110                                 LOG.warn("service-feasibility-check RPC ");
 111                             }
 112                         } else {
 113                             LOG.error("'PathDescription' parameter is null ");
 114                             return;
 115                         }
 116                     } else if (servicePathRpcResult.getStatus() == RpcStatusEx.Failed) {
 117                         LOG.error("PCE path computation failed !");
 118                         return;
 119                     }
 120                     break;
 121                 /* cancel-resource-reserve. */
 122                 case 2:
 123                     if (servicePathRpcResult.getStatus() == RpcStatusEx.Successful) {
 124                         LOG.info("PCE cancel resource done OK !");
 125                         OperationResult deleteServicePathOperationResult =
 126                                 this.serviceDataStoreOperations.deleteServicePath(input.getServiceName());
 127                         if (!deleteServicePathOperationResult.isSuccess()) {
 128                             LOG.warn("Service path was not removed from datastore!");
 129                         }
 130                         OperationResult deleteServiceOperationResult = null;
 131                         if (tempService) {
 132                             deleteServiceOperationResult =
 133                                     this.serviceDataStoreOperations.deleteTempService(input.getServiceName());
 134                             if (!deleteServiceOperationResult.isSuccess()) {
 135                                 LOG.warn("Service was not removed from datastore!");
 136                             }
 137                         } else {
 138                             deleteServiceOperationResult =
 139                                     this.serviceDataStoreOperations.deleteService(input.getServiceName());
 140                             if (!deleteServiceOperationResult.isSuccess()) {
 141                                 LOG.warn("Service was not removed from datastore!");
 142                             }
 143                         }
 144                         /**
 145                          * if it was an RPC serviceReconfigure, re-launch PCR.
 146                          */
 147                         if (this.serviceReconfigure) {
 148                             LOG.info("cancel resource reserve done, relaunching PCE path computation ...");
 149                             this.pceServiceWrapper.performPCE(input.getServiceCreateInput(), true);
 150                             this.serviceReconfigure = false;
 151                         }
 152                     } else if (servicePathRpcResult.getStatus() == RpcStatusEx.Failed) {
 153                         LOG.info("PCE cancel resource failed !");
 154                     }
 155                     break;
 156                 default:
 157                     break;
 158             }
 159         } else {
 160             LOG.warn("ServicePathRpcResult already wired !");
 161         }
 162     }
 163
 164     private Boolean compareServicePathRpcResult(ServicePathRpcResult notification) {
 165         Boolean result = true;
 166         if (servicePathRpcResult == null) {
 167             result = false;
 168         } else {
 169             if (servicePathRpcResult.getNotificationType() != notification.getNotificationType()) {
 170                 result = false;
 171             }
 172             if (servicePathRpcResult.getServiceName() != notification.getServiceName()) {
 173                 result = false;
 174             }
 175             if (servicePathRpcResult.getStatus() != notification.getStatus()) {
 176                 result = false;
 177             }
 178             if (servicePathRpcResult.getStatusMessage() != notification.getStatusMessage()) {
 179                 result = false;
 180             }
 181         }
 182         return result;
 183     }
 184
 185     public void setInput(ServiceInput serviceInput) {
 186         this.input = serviceInput;
 187     }
 188
 189     public void setServiceReconfigure(Boolean serv) {
 190         this.serviceReconfigure = serv;
 191     }
 192
 193     public void setserviceDataStoreOperations(ServiceDataStoreOperations serviceData) {
 194         this.serviceDataStoreOperations = serviceData;
 195     }
 196
 197     public void setTempService(Boolean tempService) {
 198         this.tempService = tempService;
 199     }
 200
 201     public void setServiceFeasiblity(Boolean serviceFeasiblity) {
 202         this.serviceFeasiblity = serviceFeasiblity;
 203     }
 204
 205 }