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; |
| 6 | import org.apache.felix.scr.annotations.Service; |
| 7 | import org.onlab.onos.net.link.LinkDescription; |
| 8 | import org.onlab.onos.net.link.LinkProvider; |
| 9 | import org.onlab.onos.net.link.LinkProviderBroker; |
| 10 | import org.onlab.onos.net.link.LinkProviderService; |
| 11 | import org.onlab.onos.net.provider.AbstractProviderBroker; |
| 12 | import org.onlab.onos.net.provider.AbstractProviderService; |
| 13 | import org.slf4j.Logger; |
| 14 | import org.slf4j.LoggerFactory; |
| 15 | |
| 16 | /** |
| 17 | * Provides basic implementation of the link SB & NB APIs. |
| 18 | */ |
| 19 | @Component(immediate = true) |
| 20 | @Service |
| 21 | public class SimpleLinkManager implements LinkProviderBroker { |
| 22 | |
| 23 | private Logger log = LoggerFactory.getLogger(SimpleLinkManager.class); |
| 24 | |
| 25 | private final LinkProviderBroker broker = new InternalBroker(); |
| 26 | |
| 27 | @Activate |
| 28 | public void activate() { |
| 29 | log.info("Started"); |
| 30 | } |
| 31 | |
| 32 | @Deactivate |
| 33 | public void deactivate() { |
| 34 | log.info("Stopped"); |
| 35 | } |
| 36 | |
| 37 | @Override |
| 38 | public LinkProviderService register(LinkProvider provider) { |
| 39 | log.info("Registering provider {}", provider.id()); |
| 40 | return broker.register(provider); |
| 41 | } |
| 42 | |
| 43 | @Override |
| 44 | public void unregister(LinkProvider provider) { |
| 45 | log.info("Unregistering provider {}", provider.id()); |
| 46 | broker.unregister(provider); |
| 47 | } |
| 48 | |
| 49 | // Internal delegate for tracking various providers and issuing them a |
| 50 | // personalized provider service. |
| 51 | private class InternalBroker extends AbstractProviderBroker<LinkProvider, LinkProviderService> |
| 52 | implements LinkProviderBroker { |
| 53 | @Override |
| 54 | protected LinkProviderService createProviderService(LinkProvider provider) { |
| 55 | return new InternalLinkProviderService(provider); |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | // Personalized link provider service issued to the supplied provider. |
| 60 | private class InternalLinkProviderService extends AbstractProviderService<LinkProvider> |
| 61 | implements LinkProviderService { |
| 62 | |
| 63 | public InternalLinkProviderService(LinkProvider provider) { |
| 64 | super(provider); |
| 65 | } |
| 66 | |
| 67 | @Override |
| 68 | public void linkDetected(LinkDescription linkDescription) { |
| 69 | log.info("Link {} detected", linkDescription); |
| 70 | } |
| 71 | |
| 72 | @Override |
| 73 | public void linkVanished(LinkDescription linkDescription) { |
| 74 | log.info("Link {} vanished", linkDescription); |
| 75 | } |
| 76 | } |
| 77 | } |