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             PathDescription pathDescription = null;
  62             switch (servicePathRpcResult.getNotificationType().getIntValue()) {
  63                 /* path-computation-request. */
  64                 case 1:
  65                     LOG.info("PCE '{}' Notification received : {}",servicePathRpcResult.getNotificationType().getName(),
  66                             notification);
  67                     if (servicePathRpcResult.getStatus() == RpcStatusEx.Successful) {
  68                         LOG.info("PCE calculation done OK !");
  69                         if (servicePathRpcResult.getPathDescription() != null) {
  70                             pathDescription = new PathDescriptionBuilder()
  71                                     .setAToZDirection(servicePathRpcResult.getPathDescription().getAToZDirection())
  72                                 .setZToADirection(servicePathRpcResult.getPathDescription().getZToADirection()).build();
  73                             LOG.info("PathDescription gets : {}", pathDescription);
  74                             if (!serviceFeasiblity) {
  75                                 if (input == null) {
  76                                     LOG.error("Input is null !");
  77                                     return;
  78                                 }
  79                                 OperationResult operationResult = null;
  80                                 if (tempService) {
  81                                     operationResult = this.serviceDataStoreOperations
  82                                         .createTempService(input.getTempServiceCreateInput());
  83                                     if (!operationResult.isSuccess()) {
  84                                         LOG.error("Temp Service not created in datastore !");
  85                                     }
  86                                 } else {
  87                                     operationResult = this.serviceDataStoreOperations
  88                                         .createService(input.getServiceCreateInput());
  89                                     if (!operationResult.isSuccess()) {
  90                                         LOG.error("Service not created in datastore !");
  91                                     }
  92                                 }
  93                                 ResponseParameters responseParameters = new ResponseParametersBuilder()
  94                                         .setPathDescription(new org.opendaylight.yang.gen.v1.http.org
  95                                                 .transportpce.b.c._interface.service.types.rev200128
  96                                                 .response.parameters.sp.response.parameters
  97                                                 .PathDescriptionBuilder(pathDescription).build())
  98                                         .build();
  99                                 PathComputationRequestOutput pceResponse = new PathComputationRequestOutputBuilder()
 100                                         .setResponseParameters(responseParameters).build();
 101                                 OperationResult operationServicePathSaveResult =
 102                                         this.serviceDataStoreOperations.createServicePath(input, pceResponse);
 103                                 if (!operationServicePathSaveResult.isSuccess()) {
 104                                     LOG.error("Service Path not created in datastore !");
 105                                 }
 106                                 ServiceImplementationRequestInput serviceImplementationRequest =
 107                                         ModelMappingUtils.createServiceImplementationRequest(input, pathDescription);
 108                                 LOG.info("Sending serviceImplementation request : {}", serviceImplementationRequest);
 109                                 this.rendererServiceOperations.serviceImplementation(serviceImplementationRequest);
 110                             } else {
 111                                 LOG.warn("service-feasibility-check RPC ");
 112                             }
 113                         } else {
 114                             LOG.error("'PathDescription' parameter is null ");
 115                             return;
 116                         }
 117                     } else if (servicePathRpcResult.getStatus() == RpcStatusEx.Failed) {
 118                         LOG.error("PCE path computation failed !");
 119                         return;
 120                     }
 121                     break;
 122                 /* cancel-resource-reserve. */
 123                 case 2:
 124                     if (servicePathRpcResult.getStatus() == RpcStatusEx.Successful) {
 125                         LOG.info("PCE cancel resource done OK !");
 126                         OperationResult deleteServicePathOperationResult =
 127                                 this.serviceDataStoreOperations.deleteServicePath(input.getServiceName());
 128                         if (!deleteServicePathOperationResult.isSuccess()) {
 129                             LOG.warn("Service path was not removed from datastore!");
 130                         }
 131                         OperationResult deleteServiceOperationResult = null;
 132                         if (tempService) {
 133                             deleteServiceOperationResult =
 134                                     this.serviceDataStoreOperations.deleteTempService(input.getServiceName());
 135                             if (!deleteServiceOperationResult.isSuccess()) {
 136                                 LOG.warn("Service was not removed from datastore!");
 137                             }
 138                         } else {
 139                             deleteServiceOperationResult =
 140                                     this.serviceDataStoreOperations.deleteService(input.getServiceName());
 141                             if (!deleteServiceOperationResult.isSuccess()) {
 142                                 LOG.warn("Service was not removed from datastore!");
 143                             }
 144                         }
 145                         /**
 146                          * if it was an RPC serviceReconfigure, re-launch PCR.
 147                          */
 148                         if (this.serviceReconfigure) {
 149                             LOG.info("cancel resource reserve done, relaunching PCE path computation ...");
 150                             this.pceServiceWrapper.performPCE(input.getServiceCreateInput(), true);
 151                             this.serviceReconfigure = false;
 152                         }
 153                     } else if (servicePathRpcResult.getStatus() == RpcStatusEx.Failed) {
 154                         LOG.info("PCE cancel resource failed !");
 155                     }
 156                     break;
 157                 default:
 158                     break;
 159             }
 160         } else {
 161             LOG.warn("ServicePathRpcResult already wired !");
 162         }
 163     }
 164
 165     @SuppressFBWarnings(
 166         value = "ES_COMPARING_STRINGS_WITH_EQ",
 167         justification = "false positives, not strings but real object references comparisons")
 168     private Boolean compareServicePathRpcResult(ServicePathRpcResult notification) {
 169         Boolean result = true;
 170         if (servicePathRpcResult == null) {
 171             result = false;
 172         } else {
 173             if (servicePathRpcResult.getNotificationType() != notification.getNotificationType()) {
 174                 result = false;
 175             }
 176             if (servicePathRpcResult.getServiceName() != notification.getServiceName()) {
 177                 result = false;
 178             }
 179             if (servicePathRpcResult.getStatus() != notification.getStatus()) {
 180                 result = false;
 181             }
 182             if (servicePathRpcResult.getStatusMessage() != notification.getStatusMessage()) {
 183                 result = false;
 184             }
 185         }
 186         return result;
 187     }
 188
 189     public void setInput(ServiceInput serviceInput) {
 190         this.input = serviceInput;
 191     }
 192
 193     public void setServiceReconfigure(Boolean serv) {
 194         this.serviceReconfigure = serv;
 195     }
 196
 197     public void setserviceDataStoreOperations(ServiceDataStoreOperations serviceData) {
 198         this.serviceDataStoreOperations = serviceData;
 199     }
 200
 201     public void setTempService(Boolean tempService) {
 202         this.tempService = tempService;
 203     }
 204
 205     public void setServiceFeasiblity(Boolean serviceFeasiblity) {
 206         this.serviceFeasiblity = serviceFeasiblity;
 207     }
 208
 209 }