| 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.host.HostDescription; |
| import org.onlab.onos.net.host.HostProvider; |
| import org.onlab.onos.net.host.HostProviderBroker; |
| import org.onlab.onos.net.host.HostProviderService; |
| 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 host SB & NB APIs. |
| */ |
| @Component(immediate = true) |
| @Service |
| public class SimpleHostManager implements HostProviderBroker { |
| |
| private Logger log = LoggerFactory.getLogger(SimpleHostManager.class); |
| |
| private final HostProviderBroker broker = new InternalBroker(); |
| |
| @Activate |
| public void activate() { |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| log.info("Stopped"); |
| } |
| |
| @Override |
| public HostProviderService register(HostProvider provider) { |
| return broker.register(provider); |
| } |
| |
| @Override |
| public void unregister(HostProvider provider) { |
| broker.unregister(provider); |
| } |
| |
| // Internal delegate for tracking various providers and issuing them a |
| // personalized provider service. |
| private class InternalBroker extends AbstractProviderBroker<HostProvider, HostProviderService> |
| implements HostProviderBroker { |
| @Override |
| protected HostProviderService createProviderService(HostProvider provider) { |
| return new InternalHostProviderService(provider); |
| } |
| } |
| |
| // Personalized host provider service issued to the supplied provider. |
| private class InternalHostProviderService extends AbstractProviderService<HostProvider> |
| implements HostProviderService { |
| |
| public InternalHostProviderService(HostProvider provider) { |
| super(provider); |
| } |
| |
| @Override |
| public void hostDetected(HostDescription hostDescription) { |
| log.info("Host {} detected", hostDescription); |
| } |
| |
| @Override |
| public void hostVanished(HostDescription hostDescription) { |
| log.info("Host {} vanished", hostDescription); |
| } |
| } |
| } |