| package org.onlab.onos.net.trivial.impl; |
| |
| import org.apache.felix.scr.annotations.Activate; |
| import org.apache.felix.scr.annotations.Component; |
| import org.apache.felix.scr.annotations.Deactivate; |
| import org.apache.felix.scr.annotations.Reference; |
| import org.apache.felix.scr.annotations.ReferenceCardinality; |
| import org.apache.felix.scr.annotations.Service; |
| import org.onlab.onos.event.AbstractListenerManager; |
| import org.onlab.onos.event.EventDispatchService; |
| import org.onlab.onos.net.link.LinkDescription; |
| import org.onlab.onos.net.link.LinkEvent; |
| import org.onlab.onos.net.link.LinkListener; |
| import org.onlab.onos.net.link.LinkProvider; |
| import org.onlab.onos.net.link.LinkProviderBroker; |
| import org.onlab.onos.net.link.LinkProviderService; |
| import org.onlab.onos.net.provider.AbstractProviderBroker; |
| import org.onlab.onos.net.provider.AbstractProviderService; |
| import org.slf4j.Logger; |
| |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Provides basic implementation of the link SB & NB APIs. |
| */ |
| @Component(immediate = true) |
| @Service |
| public class SimpleLinkManager |
| extends AbstractProviderBroker<LinkProvider, LinkProviderService> |
| implements LinkProviderBroker { |
| |
| private final Logger log = getLogger(getClass()); |
| |
| private final AbstractListenerManager<LinkEvent, LinkListener> |
| listenerManager = new AbstractListenerManager<>(); |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| private EventDispatchService eventDispatcher; |
| |
| @Activate |
| public void activate() { |
| eventDispatcher.addSink(LinkEvent.class, listenerManager); |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| eventDispatcher.removeSink(LinkEvent.class); |
| log.info("Stopped"); |
| } |
| |
| @Override |
| protected LinkProviderService createProviderService(LinkProvider provider) { |
| return new InternalLinkProviderService(provider); |
| } |
| |
| // Personalized link provider service issued to the supplied provider. |
| private class InternalLinkProviderService extends AbstractProviderService<LinkProvider> |
| implements LinkProviderService { |
| |
| public InternalLinkProviderService(LinkProvider provider) { |
| super(provider); |
| } |
| |
| @Override |
| public void linkDetected(LinkDescription linkDescription) { |
| log.info("Link {} detected", linkDescription); |
| } |
| |
| @Override |
| public void linkVanished(LinkDescription linkDescription) { |
| log.info("Link {} vanished", linkDescription); |
| } |
| } |
| } |