Modify spectrum assignment management in PCE
[transportpce.git] / servicehandler / src / main / java / org / opendaylight / transportpce / servicehandler / listeners / PceListenerImpl.java
index fa0ebfb8f9ec6d9f011c612e843142550081bb2c..287b386f713a8f924884cd0c131f410e12331b9f 100644 (file)
  */
 package org.opendaylight.transportpce.servicehandler.listeners;
 
-import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev171017.ServicePathRpcResult;
-import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev171017.TransportpcePceListener;
-import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.service.types.rev171016.RpcStatusEx;
-import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.service.types.rev171016.ServicePathNotificationTypes;
+import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
+import org.opendaylight.mdsal.binding.api.NotificationPublishService;
+import org.opendaylight.transportpce.common.OperationResult;
+import org.opendaylight.transportpce.pce.service.PathComputationService;
+import org.opendaylight.transportpce.renderer.provisiondevice.RendererServiceOperations;
+import org.opendaylight.transportpce.servicehandler.ModelMappingUtils;
+import org.opendaylight.transportpce.servicehandler.ServiceInput;
+import org.opendaylight.transportpce.servicehandler.service.PCEServiceWrapper;
+import org.opendaylight.transportpce.servicehandler.service.ServiceDataStoreOperations;
+import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev210701.PathComputationRequestOutput;
+import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev210701.PathComputationRequestOutputBuilder;
+import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev210701.ServicePathRpcResult;
+import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev210701.TransportpcePceListener;
+import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev210701.service.path.rpc.result.PathDescription;
+import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev210701.service.path.rpc.result.PathDescriptionBuilder;
+import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.rev201125.ServiceImplementationRequestInput;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.common.state.types.rev181130.State;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.service.rev190531.service.list.Services;
+import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.service.types.rev200128.RpcStatusEx;
+import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.service.types.rev200128.response.parameters.sp.ResponseParameters;
+import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.service.types.rev200128.response.parameters.sp.ResponseParametersBuilder;
+import org.opendaylight.yang.gen.v1.nbi.notifications.rev201130.PublishNotificationService;
+import org.opendaylight.yang.gen.v1.nbi.notifications.rev201130.PublishNotificationServiceBuilder;
+import org.opendaylight.yang.gen.v1.nbi.notifications.rev201130.notification.service.ServiceAEndBuilder;
+import org.opendaylight.yang.gen.v1.nbi.notifications.rev201130.notification.service.ServiceZEndBuilder;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-@Deprecated
 public class PceListenerImpl implements TransportpcePceListener {
 
     private static final Logger LOG = LoggerFactory.getLogger(PceListenerImpl.class);
+    private static final String TOPIC = "PceListener";
 
-    private ServicePathRpcResult servicePathRpcResult = null;
+    private ServicePathRpcResult servicePathRpcResult;
+    private RendererServiceOperations rendererServiceOperations;
+    private ServiceDataStoreOperations serviceDataStoreOperations;
+    private PCEServiceWrapper pceServiceWrapper;
+    private ServiceInput input;
+    private Boolean serviceReconfigure;
+    private Boolean tempService;
+    private Boolean serviceFeasiblity;
+    private NotificationPublishService notificationPublishService;
+
+    public PceListenerImpl(RendererServiceOperations rendererServiceOperations,
+            PathComputationService pathComputationService, NotificationPublishService notificationPublishService,
+            ServiceDataStoreOperations serviceDataStoreOperations) {
+        this.rendererServiceOperations = rendererServiceOperations;
+        this.pceServiceWrapper = new PCEServiceWrapper(pathComputationService, notificationPublishService);
+        this.serviceDataStoreOperations = serviceDataStoreOperations;
+        setServiceReconfigure(false);
+        setInput(null);
+        setTempService(false);
+        setServiceFeasiblity(false);
+        this.notificationPublishService = notificationPublishService;
+    }
 
     @Override
     public void onServicePathRpcResult(ServicePathRpcResult notification) {
-        if (!compareServicePathRpcResult(notification)) {
-            servicePathRpcResult = notification;
-            StringBuilder build = new StringBuilder();
-            build.append(
-                    "Received '" + notification.getNotificationType() + "' StubPce notification " + "from service '"
-                            + notification.getServiceName() + "' " + "with status '" + notification.getStatus() + "'");
-            build.append(" with StatusMessage '" + notification.getStatusMessage() + "'");
-            if ((notification.getStatus() == RpcStatusEx.Successful) && (notification.getNotificationType()
-                    .getIntValue() == ServicePathNotificationTypes.PathComputationRequest.getIntValue())) {
-                build.append(" PathDescription : " + notification.getPathDescription().toString());
-                /*
-                 * switch (action.getIntValue()) { case 1: //service-create case
-                 * 3: //service-delete case 8: //service-reconfigure case 9:
-                 * //service-restoration case 10://service-reversion case
-                 * 11://service-reroute break;
-                 *
-                 * default: break; }
-                 */
+        if (compareServicePathRpcResult(notification)) {
+            LOG.warn("ServicePathRpcResult already wired !");
+            return;
+        }
+        servicePathRpcResult = notification;
+        switch (servicePathRpcResult.getNotificationType().getIntValue()) {
+            /* path-computation-request. */
+            case 1:
+                onPathComputationResult(notification);
+                break;
+            /* cancel-resource-reserve. */
+            case 2:
+                onCancelResourceResult();
+                break;
+            default:
+                break;
+        }
+    }
+
+    /**
+     * Process path computation request result.
+     * @param notification the result notification.
+     */
+    private void onPathComputationResult(ServicePathRpcResult notification) {
+        LOG.info("PCE '{}' Notification received : {}", servicePathRpcResult.getNotificationType().getName(),
+                notification);
+        if (!checkStatus(notification)) {
+            return;
+        }
+        if (servicePathRpcResult.getPathDescription() == null) {
+            LOG.error("'PathDescription' parameter is null ");
+            return;
+        }
+        PathDescription pathDescription = new PathDescriptionBuilder()
+                .setAToZDirection(servicePathRpcResult.getPathDescription().getAToZDirection())
+                .setZToADirection(servicePathRpcResult.getPathDescription().getZToADirection())
+                .build();
+        LOG.info("PathDescription gets : {}", pathDescription);
+        if (serviceFeasiblity) {
+            LOG.warn("service-feasibility-check RPC ");
+            return;
+        }
+        if (input == null) {
+            LOG.error("Input is null !");
+            return;
+        }
+        OperationResult operationResult = null;
+        if (tempService) {
+            operationResult = this.serviceDataStoreOperations.createTempService(input.getTempServiceCreateInput());
+            if (!operationResult.isSuccess()) {
+                LOG.error("Temp Service not created in datastore !");
             }
+        } else {
+            operationResult = this.serviceDataStoreOperations.createService(input.getServiceCreateInput());
+            if (!operationResult.isSuccess()) {
+                LOG.error("Service not created in datastore !");
+            }
+        }
+        ResponseParameters responseParameters = new ResponseParametersBuilder()
+                .setPathDescription(new org.opendaylight.yang.gen.v1.http
+                        .org.transportpce.b.c._interface.service.types.rev200128
+                        .response.parameters.sp.response.parameters.PathDescriptionBuilder(pathDescription).build())
+                .build();
+        PathComputationRequestOutput pceResponse = new PathComputationRequestOutputBuilder()
+                .setResponseParameters(responseParameters).build();
+        OperationResult operationServicePathSaveResult = this.serviceDataStoreOperations
+                .createServicePath(input, pceResponse);
+        if (!operationServicePathSaveResult.isSuccess()) {
+            LOG.error("Service Path not created in datastore !");
+        }
+        ServiceImplementationRequestInput serviceImplementationRequest = ModelMappingUtils
+                .createServiceImplementationRequest(input, pathDescription);
+        LOG.info("Sending serviceImplementation request : {}", serviceImplementationRequest);
+        this.rendererServiceOperations.serviceImplementation(serviceImplementationRequest);
+    }
+
+    /**
+     * Check status of notification and send nbi notification.
+     * @param notification ServicePathRpcResult the notification to check.
+     * @return true is status is Successful, false otherwise.
+     */
+    private boolean checkStatus(ServicePathRpcResult notification) {
+        PublishNotificationService nbiNotification = getPublishNotificationService(notification);
+        PublishNotificationServiceBuilder publishNotificationServiceBuilder = new PublishNotificationServiceBuilder(
+                nbiNotification);
+        switch (servicePathRpcResult.getStatus()) {
+            case Failed:
+                LOG.error("PCE path computation failed !");
+                nbiNotification = publishNotificationServiceBuilder.setMessage("ServiceCreate request failed ...")
+                        .setResponseFailed("PCE path computation failed !")
+                        .setOperationalState(State.Degraded).build();
+                sendNbiNotification(nbiNotification);
+                return false;
+            case Pending:
+                LOG.warn("PCE path computation returned a Pending RpcStatusEx code!");
+                return false;
+            case Successful:
+                LOG.info("PCE calculation done OK !");
+                return true;
+            default:
+                LOG.error("PCE path computation returned an unknown RpcStatusEx code {}",
+                        servicePathRpcResult.getStatus());
+                nbiNotification = publishNotificationServiceBuilder.setMessage("ServiceCreate request failed ...")
+                        .setResponseFailed("PCE path computation returned an unknown RpcStatusEx code!")
+                        .setOperationalState(State.Degraded).build();
+                sendNbiNotification(nbiNotification);
+                return false;
+        }
+    }
 
-            LOG.info(build.toString());
+    private PublishNotificationService getPublishNotificationService(ServicePathRpcResult notification) {
+        PublishNotificationServiceBuilder nbiNotificationBuilder = new PublishNotificationServiceBuilder();
+        if (input != null) {
+            nbiNotificationBuilder.setServiceName(input.getServiceName())
+                    .setServiceAEnd(new ServiceAEndBuilder(input.getServiceAEnd()).build())
+                    .setServiceZEnd(new ServiceZEndBuilder(input.getServiceZEnd()).build())
+                    .setCommonId(input.getCommonId()).setConnectionType(input.getConnectionType());
         } else {
-            LOG.info("ServicePathRpcResult already wired !");
+            nbiNotificationBuilder.setServiceName(notification.getServiceName());
         }
+        nbiNotificationBuilder.setTopic(TOPIC);
+        return nbiNotificationBuilder.build();
     }
 
-    @Deprecated
+    /**
+     * Process cancel resource result.
+     */
+    private void onCancelResourceResult() {
+        if (servicePathRpcResult.getStatus() == RpcStatusEx.Pending) {
+            LOG.warn("PCE cancel returned a Pending RpcStatusEx code !");
+            return;
+        } else if (servicePathRpcResult.getStatus() != RpcStatusEx.Successful
+                && servicePathRpcResult.getStatus() != RpcStatusEx.Failed) {
+            LOG.error("PCE cancel returned an unknown RpcStatusEx code !");
+            return;
+        }
+        Services service = serviceDataStoreOperations.getService(input.getServiceName()).get();
+        PublishNotificationServiceBuilder nbiNotificationBuilder = new PublishNotificationServiceBuilder()
+                .setServiceName(service.getServiceName())
+                .setServiceAEnd(new ServiceAEndBuilder(service.getServiceAEnd()).build())
+                .setServiceZEnd(new ServiceZEndBuilder(service.getServiceZEnd()).build())
+                .setCommonId(service.getCommonId())
+                .setConnectionType(service.getConnectionType())
+                .setTopic(TOPIC);
+        if (servicePathRpcResult.getStatus() == RpcStatusEx.Failed) {
+            LOG.info("PCE cancel resource failed !");
+            sendNbiNotification(nbiNotificationBuilder
+                    .setResponseFailed("PCE cancel resource failed !")
+                    .setMessage("ServiceDelete request failed ...")
+                    .setOperationalState(service.getOperationalState())
+                    .build());
+            return;
+        }
+        LOG.info("PCE cancel resource done OK !");
+        OperationResult deleteServicePathOperationResult =
+                this.serviceDataStoreOperations.deleteServicePath(input.getServiceName());
+        if (!deleteServicePathOperationResult.isSuccess()) {
+            LOG.warn("Service path was not removed from datastore !");
+        }
+        OperationResult deleteServiceOperationResult;
+        String serviceType = "";
+        if (tempService) {
+            deleteServiceOperationResult = this.serviceDataStoreOperations.deleteTempService(input.getServiceName());
+            serviceType = "Temp ";
+        } else {
+            deleteServiceOperationResult = this.serviceDataStoreOperations.deleteService(input.getServiceName());
+        }
+        if (deleteServiceOperationResult.isSuccess()) {
+            sendNbiNotification(nbiNotificationBuilder
+                    .setResponseFailed("")
+                    .setMessage("Service deleted !")
+                    .setOperationalState(State.Degraded)
+                    .build());
+        } else {
+            LOG.warn("{}Service was not removed from datastore !", serviceType);
+            sendNbiNotification(nbiNotificationBuilder
+                    .setResponseFailed(serviceType + "Service was not removed from datastore !")
+                    .setMessage("ServiceDelete request failed ...")
+                    .setOperationalState(service.getOperationalState())
+                    .build());
+        }
+        /**
+         * if it was an RPC serviceReconfigure, re-launch PCR.
+         */
+        if (this.serviceReconfigure) {
+            LOG.info("cancel resource reserve done, relaunching PCE path computation ...");
+            this.pceServiceWrapper.performPCE(input.getServiceCreateInput(), true);
+            this.serviceReconfigure = false;
+        }
+    }
+
+    @SuppressFBWarnings(
+        value = "ES_COMPARING_STRINGS_WITH_EQ",
+        justification = "false positives, not strings but real object references comparisons")
     private Boolean compareServicePathRpcResult(ServicePathRpcResult notification) {
-        Boolean result = true;
         if (servicePathRpcResult == null) {
-            result = false;
-        } else {
-            if (servicePathRpcResult.getNotificationType() != notification.getNotificationType()) {
-                result = false;
-            }
-            if (servicePathRpcResult.getServiceName() != notification.getServiceName()) {
-                result = false;
-            }
-            if (servicePathRpcResult.getStatus() != notification.getStatus()) {
-                result = false;
-            }
-            if (servicePathRpcResult.getStatusMessage() != notification.getStatusMessage()) {
-                result = false;
-            }
+            return false;
+        }
+        if (servicePathRpcResult.getNotificationType() != notification.getNotificationType()) {
+            return false;
+        }
+        if (servicePathRpcResult.getServiceName() != notification.getServiceName()) {
+            return false;
+        }
+        if (servicePathRpcResult.getStatus() != notification.getStatus()) {
+            return false;
+        }
+        if (servicePathRpcResult.getStatusMessage() != notification.getStatusMessage()) {
+            return false;
         }
-        return result;
+        return true;
     }
 
+    public void setInput(ServiceInput serviceInput) {
+        this.input = serviceInput;
+    }
+
+    public void setServiceReconfigure(Boolean serv) {
+        this.serviceReconfigure = serv;
+    }
+
+    public void setserviceDataStoreOperations(ServiceDataStoreOperations serviceData) {
+        this.serviceDataStoreOperations = serviceData;
+    }
+
+    public void setTempService(Boolean tempService) {
+        this.tempService = tempService;
+    }
+
+    public void setServiceFeasiblity(Boolean serviceFeasiblity) {
+        this.serviceFeasiblity = serviceFeasiblity;
+    }
+
+    /**
+     * Send notification to NBI notification in order to publish message.
+     * @param service PublishNotificationService
+     */
+    private void sendNbiNotification(PublishNotificationService service) {
+        try {
+            notificationPublishService.putNotification(service);
+        } catch (InterruptedException e) {
+            LOG.warn("Cannot send notification to nbi", e);
+            Thread.currentThread().interrupt();
+        }
+    }
 }