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.rev171017.PathComputationRequestOutput;
  19 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev171017.PathComputationRequestOutputBuilder;
  20 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev171017.ServicePathRpcResult;
  21 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev171017.TransportpcePceListener;
  22 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev171017.service.path.rpc.result.PathDescription;
  23 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev171017.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
  43     public PceListenerImpl(RendererServiceOperations rendererServiceOperations,
  44             PathComputationService pathComputationService, NotificationPublishService notificationPublishService,
  45             ServiceDataStoreOperations serviceDataStoreOperations) {
  46         this.rendererServiceOperations = rendererServiceOperations;
  47         this.pceServiceWrapper = new PCEServiceWrapper(pathComputationService, notificationPublishService);
  48         this.serviceDataStoreOperations = serviceDataStoreOperations;
  49         setServiceReconfigure(false);
  50         setInput(null);
  51         setTempService(false);
  52     }
  53
  54     @Override
  55     public void onServicePathRpcResult(ServicePathRpcResult notification) {
  56         if (!compareServicePathRpcResult(notification)) {
  57             servicePathRpcResult = notification;
  58             PathDescription pathDescription = null;
  59             switch (servicePathRpcResult.getNotificationType().getIntValue()) {
  60                 case 1: /** path-computation-request. */
  61                     LOG.info("PCE '{}' Notification received : {}",servicePathRpcResult.getNotificationType().getName(),
  62                             notification);
  63                     if (servicePathRpcResult.getStatus() == RpcStatusEx.Successful) {
  64                         LOG.info("PCE calculation done OK !");
  65                         if (servicePathRpcResult.getPathDescription() != null) {
  66                             pathDescription = new PathDescriptionBuilder()
  67                                     .setAToZDirection(servicePathRpcResult.getPathDescription().getAToZDirection())
  68                                 .setZToADirection(servicePathRpcResult.getPathDescription().getZToADirection()).build();
  69                             LOG.info("PathDescription gets : {}", pathDescription);
  70                             if (input == null) {
  71                                 LOG.error("Input is null !");
  72                                 return;
  73                             }
  74                             OperationResult operationResult = null;
  75                             if (tempService) {
  76                                 operationResult = this.serviceDataStoreOperations
  77                                     .createTempService(input.getTempServiceCreateInput());
  78                                 if (!operationResult.isSuccess()) {
  79                                     LOG.error("Temp Service not created in datastore !");
  80                                 }
  81                             } else {
  82                                 operationResult = this.serviceDataStoreOperations
  83                                     .createService(input.getServiceCreateInput());
  84                                 if (!operationResult.isSuccess()) {
  85                                     LOG.error("Service not created in datastore !");
  86                                 }
  87                             }
  88                             ResponseParameters responseParameters = new ResponseParametersBuilder()
  89                                     .setPathDescription(new org.opendaylight.yang.gen.v1.http.org.transportpce.b.c
  90                                             ._interface.service.types.rev171016.response.parameters.sp.response
  91                                             .parameters.PathDescriptionBuilder(pathDescription).build())
  92                                     .build();
  93                             PathComputationRequestOutput pceResponse = new PathComputationRequestOutputBuilder()
  94                                     .setResponseParameters(responseParameters).build();
  95                             OperationResult operationServicePathSaveResult =
  96                                     this.serviceDataStoreOperations.createServicePath(input, pceResponse);
  97                             if (!operationServicePathSaveResult.isSuccess()) {
  98                                 LOG.error("Service Path not created in datastore !");
  99                             }
 100                             ServiceImplementationRequestInput serviceImplementationRequest =
 101                                     ModelMappingUtils.createServiceImplementationRequest(input, pathDescription);
 102                             LOG.info("Sending serviceImplementation request : {}", serviceImplementationRequest);
 103                             this.rendererServiceOperations.serviceImplementation(serviceImplementationRequest);
 104                         } else {
 105                             LOG.error("'PathDescription' parameter is null ");
 106                             return;
 107                         }
 108                     } else if (servicePathRpcResult.getStatus() == RpcStatusEx.Failed) {
 109                         LOG.error("PCE path computation failed !");
 110                         return;
 111                     }
 112                     break;
 113                 case 2: /** cancel-resource-reserve. */
 114                     if (servicePathRpcResult.getStatus() == RpcStatusEx.Successful) {
 115                         LOG.info("PCE cancel resource done OK !");
 116                         OperationResult deleteServicePathOperationResult =
 117                                 this.serviceDataStoreOperations.deleteServicePath(input.getServiceName());
 118                         if (!deleteServicePathOperationResult.isSuccess()) {
 119                             LOG.warn("Service path was not removed from datastore!");
 120                         }
 121                         OperationResult deleteServiceOperationResult = null;
 122                         if (tempService) {
 123                             deleteServiceOperationResult =
 124                                     this.serviceDataStoreOperations.deleteTempService(input.getServiceName());
 125                             if (!deleteServiceOperationResult.isSuccess()) {
 126                                 LOG.warn("Service was not removed from datastore!");
 127                             }
 128                         } else {
 129                             deleteServiceOperationResult =
 130                                     this.serviceDataStoreOperations.deleteService(input.getServiceName());
 131                             if (!deleteServiceOperationResult.isSuccess()) {
 132                                 LOG.warn("Service was not removed from datastore!");
 133                             }
 134                         }
 135                         /**
 136                          * if it was an RPC serviceReconfigure, re-launch PCR.
 137                          */
 138                         if (this.serviceReconfigure) {
 139                             LOG.info("cancel resource reserve done, relaunching PCE path computation ...");
 140                             this.pceServiceWrapper.performPCE(input.getServiceCreateInput(), true);
 141                             this.serviceReconfigure = false;
 142                         }
 143                     } else if (servicePathRpcResult.getStatus() == RpcStatusEx.Failed) {
 144                         LOG.info("PCE cancel resource failed !");
 145                     }
 146                     break;
 147                 default:
 148                     break;
 149             }
 150         } else {
 151             LOG.warn("ServicePathRpcResult already wired !");
 152         }
 153     }
 154
 155     private Boolean compareServicePathRpcResult(ServicePathRpcResult notification) {
 156         Boolean result = true;
 157         if (servicePathRpcResult == null) {
 158             result = false;
 159         } else {
 160             if (servicePathRpcResult.getNotificationType() != notification.getNotificationType()) {
 161                 result = false;
 162             }
 163             if (servicePathRpcResult.getServiceName() != notification.getServiceName()) {
 164                 result = false;
 165             }
 166             if (servicePathRpcResult.getStatus() != notification.getStatus()) {
 167                 result = false;
 168             }
 169             if (servicePathRpcResult.getStatusMessage() != notification.getStatusMessage()) {
 170                 result = false;
 171             }
 172         }
 173         return result;
 174     }
 175
 176     public void setInput(ServiceInput serviceInput) {
 177         this.input = serviceInput;
 178     }
 179
 180     public void setServiceReconfigure(Boolean serv) {
 181         this.serviceReconfigure = serv;
 182     }
 183
 184     public void setserviceDataStoreOperations(ServiceDataStoreOperations serviceData) {
 185         this.serviceDataStoreOperations = serviceData;
 186     }
 187
 188     public void setTempService(Boolean tempService) {
 189         this.tempService = tempService;
 190     }
 191
 192 }