| 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.Service; |
| import org.onlab.onos.net.link.LinkDescription; |
| 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 org.slf4j.LoggerFactory; |
| |
| /** |
| * Provides basic implementation of the link SB & NB APIs. |
| */ |
| @Component(immediate = true) |
| @Service |
| public class SimpleLinkManager implements LinkProviderBroker { |
| |
| private Logger log = LoggerFactory.getLogger(SimpleLinkManager.class); |
| |
| private final LinkProviderBroker broker = new InternalBroker(); |
| |
| @Activate |
| public void activate() { |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| log.info("Stopped"); |
| } |
| |
| @Override |
| public LinkProviderService register(LinkProvider provider) { |
| log.info("Registering provider {}", provider.id()); |
| return broker.register(provider); |
| } |
| |
| @Override |
| public void unregister(LinkProvider provider) { |
| log.info("Unregistering provider {}", provider.id()); |
| broker.unregister(provider); |
| } |
| |
| // Internal delegate for tracking various providers and issuing them a |
| // personalized provider service. |
| private class InternalBroker extends AbstractProviderBroker<LinkProvider, LinkProviderService> |
| implements LinkProviderBroker { |
| @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); |
| } |
| } |
| } |