package org.opendaylight.controller.config.yang.config.ofoverlay_provider.impl;
+import com.google.common.base.Preconditions;
+import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.ListenableFuture;
+import org.opendaylight.controller.config.yang.config.groupbasedpolicy.GroupbasedpolicyInstance;
import org.opendaylight.controller.md.sal.binding.api.DataBroker;
import org.opendaylight.controller.md.sal.binding.api.NotificationService;
import org.opendaylight.groupbasedpolicy.api.EpRendererAugmentationRegistry;
import org.opendaylight.groupbasedpolicy.api.PolicyValidatorRegistry;
import org.opendaylight.groupbasedpolicy.api.StatisticsManager;
import org.opendaylight.groupbasedpolicy.renderer.ofoverlay.OFOverlayRenderer;
+import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonService;
+import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonServiceProvider;
+import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonServiceRegistration;
+import org.opendaylight.mdsal.singleton.common.api.ServiceGroupIdentifier;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.SalFlowService;
import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketProcessingService;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
-public class OFOverlayProviderInstance implements AutoCloseable {
-
-
- public OFOverlayRenderer renderer;
-
- public OFOverlayProviderInstance(DataBroker dataBroker,
- PacketProcessingService packetProcessingService,
- SalFlowService flowService,
- NotificationService notificationService,
- EpRendererAugmentationRegistry epRendererAugmentationRegistry,
- PolicyValidatorRegistry policyValidatorRegistry,
- StatisticsManager statisticsManager,
- short tableOffset
- ) {
- renderer = new OFOverlayRenderer(dataBroker,
- packetProcessingService,
- flowService,
- notificationService,
- epRendererAugmentationRegistry,
- policyValidatorRegistry,
- statisticsManager,
- tableOffset);
+public class OFOverlayProviderInstance implements ClusterSingletonService, AutoCloseable {
+
+ private static final Logger LOG = LoggerFactory.getLogger(OFOverlayProviderInstance.class);
+
+ private static final ServiceGroupIdentifier IDENTIFIER =
+ ServiceGroupIdentifier.create(GroupbasedpolicyInstance.GBP_SERVICE_GROUP_IDENTIFIER);
+ private final DataBroker dataBroker;
+ private final PacketProcessingService packetProcessingService;
+ private final SalFlowService flowService;
+ private final NotificationService notificationService;
+ private final EpRendererAugmentationRegistry epRendererAugmentationRegistry;
+ private final PolicyValidatorRegistry policyValidatorRegistry;
+ private final StatisticsManager statisticsManager;
+ private final short tableOffset;
+ private final ClusterSingletonServiceProvider clusterSingletonService;
+ private ClusterSingletonServiceRegistration singletonServiceRegistration;
+ private OFOverlayRenderer renderer;
+
+ public OFOverlayProviderInstance(final DataBroker dataBroker,
+ final PacketProcessingService packetProcessingService,
+ final SalFlowService flowService,
+ final NotificationService notificationService,
+ final EpRendererAugmentationRegistry epRendererAugmentationRegistry,
+ final PolicyValidatorRegistry policyValidatorRegistry,
+ final StatisticsManager statisticsManager,
+ final short tableOffset,
+ final ClusterSingletonServiceProvider clusterSingletonService) {
+ this.dataBroker = Preconditions.checkNotNull(dataBroker);
+ this.packetProcessingService = Preconditions.checkNotNull(packetProcessingService);
+ this.flowService = Preconditions.checkNotNull(flowService);
+ this.notificationService = Preconditions.checkNotNull(notificationService);
+ this.epRendererAugmentationRegistry = Preconditions.checkNotNull(epRendererAugmentationRegistry);
+ this.policyValidatorRegistry = Preconditions.checkNotNull(policyValidatorRegistry);
+ this.statisticsManager = Preconditions.checkNotNull(statisticsManager);
+ this.tableOffset = Preconditions.checkNotNull(tableOffset);
+ this.clusterSingletonService = Preconditions.checkNotNull(clusterSingletonService);
+ }
+
+ public void initialize() {
+ LOG.info("Clustering session initiated for {}", this.getClass().getSimpleName());
+ singletonServiceRegistration = clusterSingletonService.registerClusterSingletonService(this);
}
@Override
- public void close() throws Exception {
- renderer.close();
+ public void instantiateServiceInstance() {
+ LOG.info("Instantiating {}", this.getClass().getSimpleName());
+ renderer = new OFOverlayRenderer(dataBroker, packetProcessingService, flowService, notificationService,
+ epRendererAugmentationRegistry, policyValidatorRegistry, statisticsManager, tableOffset);
}
+ @Override
+ public ListenableFuture<Void> closeServiceInstance() {
+ LOG.info("Instance {} closed", this.getClass().getSimpleName());
+ try {
+ renderer.close();
+ } catch (Exception e) {
+ LOG.warn("Exception thrown when closing ... {}", e.getMessage());
+ }
+ return Futures.immediateFuture(null);
+ }
+
+ @Override
+ public void close() {
+ LOG.info("Clustering provider closed for {}", this.getClass().getSimpleName());
+ if (singletonServiceRegistration != null) {
+ try {
+ singletonServiceRegistration.close();
+ } catch (Exception e) {
+ LOG.warn("{} closed unexpectedly",this.getClass().getSimpleName(), e.getMessage());
+ }
+ singletonServiceRegistration = null;
+ }
+ }
+
+ @Override
+ public ServiceGroupIdentifier getIdentifier() {
+ return IDENTIFIER;
+ }
}