tom | db0d03f | 2014-08-27 16:34:15 -0700 | [diff] [blame] | 1 | package org.onlab.onos.net.trivial.impl; |
| 2 | |
| 3 | import org.apache.felix.scr.annotations.Activate; |
| 4 | import org.apache.felix.scr.annotations.Component; |
| 5 | import org.apache.felix.scr.annotations.Deactivate; |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame^] | 6 | import org.apache.felix.scr.annotations.Reference; |
| 7 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
tom | db0d03f | 2014-08-27 16:34:15 -0700 | [diff] [blame] | 8 | import org.apache.felix.scr.annotations.Service; |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame^] | 9 | import org.onlab.onos.event.AbstractListenerManager; |
| 10 | import org.onlab.onos.event.EventDispatchService; |
tom | db0d03f | 2014-08-27 16:34:15 -0700 | [diff] [blame] | 11 | import org.onlab.onos.net.host.HostDescription; |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame^] | 12 | import org.onlab.onos.net.host.HostEvent; |
| 13 | import org.onlab.onos.net.host.HostListener; |
tom | db0d03f | 2014-08-27 16:34:15 -0700 | [diff] [blame] | 14 | import org.onlab.onos.net.host.HostProvider; |
| 15 | import org.onlab.onos.net.host.HostProviderBroker; |
| 16 | import org.onlab.onos.net.host.HostProviderService; |
| 17 | import org.onlab.onos.net.provider.AbstractProviderBroker; |
| 18 | import org.onlab.onos.net.provider.AbstractProviderService; |
| 19 | import org.slf4j.Logger; |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame^] | 20 | |
| 21 | import static org.slf4j.LoggerFactory.getLogger; |
tom | db0d03f | 2014-08-27 16:34:15 -0700 | [diff] [blame] | 22 | |
| 23 | /** |
| 24 | * Provides basic implementation of the host SB & NB APIs. |
| 25 | */ |
| 26 | @Component(immediate = true) |
| 27 | @Service |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame^] | 28 | public class SimpleHostManager |
| 29 | extends AbstractProviderBroker<HostProvider, HostProviderService> |
| 30 | implements HostProviderBroker { |
tom | db0d03f | 2014-08-27 16:34:15 -0700 | [diff] [blame] | 31 | |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame^] | 32 | private final Logger log = getLogger(getClass()); |
tom | db0d03f | 2014-08-27 16:34:15 -0700 | [diff] [blame] | 33 | |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame^] | 34 | private final AbstractListenerManager<HostEvent, HostListener> |
| 35 | listenerManager = new AbstractListenerManager<>(); |
| 36 | |
| 37 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 38 | private EventDispatchService eventDispatcher; |
| 39 | |
tom | db0d03f | 2014-08-27 16:34:15 -0700 | [diff] [blame] | 40 | |
| 41 | @Activate |
| 42 | public void activate() { |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame^] | 43 | eventDispatcher.addSink(HostEvent.class, listenerManager); |
tom | db0d03f | 2014-08-27 16:34:15 -0700 | [diff] [blame] | 44 | log.info("Started"); |
| 45 | } |
| 46 | |
| 47 | @Deactivate |
| 48 | public void deactivate() { |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame^] | 49 | eventDispatcher.removeSink(HostEvent.class); |
tom | db0d03f | 2014-08-27 16:34:15 -0700 | [diff] [blame] | 50 | log.info("Stopped"); |
| 51 | } |
| 52 | |
| 53 | @Override |
tom | 5f38b3a | 2014-08-27 23:50:54 -0700 | [diff] [blame^] | 54 | protected HostProviderService createProviderService(HostProvider provider) { |
| 55 | return new InternalHostProviderService(provider); |
tom | db0d03f | 2014-08-27 16:34:15 -0700 | [diff] [blame] | 56 | } |
| 57 | |
| 58 | // Personalized host provider service issued to the supplied provider. |
| 59 | private class InternalHostProviderService extends AbstractProviderService<HostProvider> |
| 60 | implements HostProviderService { |
| 61 | |
| 62 | public InternalHostProviderService(HostProvider provider) { |
| 63 | super(provider); |
| 64 | } |
| 65 | |
| 66 | @Override |
| 67 | public void hostDetected(HostDescription hostDescription) { |
| 68 | log.info("Host {} detected", hostDescription); |
| 69 | } |
| 70 | |
| 71 | @Override |
| 72 | public void hostVanished(HostDescription hostDescription) { |
| 73 | log.info("Host {} vanished", hostDescription); |
| 74 | } |
| 75 | } |
| 76 | } |