| package org.onlab.onos.provider.of.link.impl; |
| |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| 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.onlab.onos.net.link.LinkProvider; |
| import org.onlab.onos.net.link.LinkProviderRegistry; |
| import org.onlab.onos.net.link.LinkProviderService; |
| import org.onlab.onos.net.provider.AbstractProvider; |
| import org.onlab.onos.net.provider.ProviderId; |
| import org.onlab.onos.of.controller.Dpid; |
| import org.onlab.onos.of.controller.OpenFlowController; |
| import org.onlab.onos.of.controller.OpenFlowSwitchListener; |
| import org.onlab.onos.of.controller.PacketContext; |
| import org.onlab.onos.of.controller.PacketListener; |
| import org.projectfloodlight.openflow.protocol.OFPortStatus; |
| import org.slf4j.Logger; |
| |
| /** |
| * Provider which uses an OpenFlow controller to detect network |
| * infrastructure links. |
| */ |
| @Component(immediate = true) |
| public class OpenFlowLinkProvider extends AbstractProvider implements LinkProvider { |
| |
| private final Logger log = getLogger(getClass()); |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected LinkProviderRegistry providerRegistry; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected OpenFlowController controller; |
| |
| private LinkProviderService providerService; |
| |
| private final InternalLinkProvider listener = new InternalLinkProvider(); |
| |
| /** |
| * Creates an OpenFlow link provider. |
| */ |
| public OpenFlowLinkProvider() { |
| super(new ProviderId("org.onlab.onos.provider.of.link")); |
| } |
| |
| @Activate |
| public void activate() { |
| providerService = providerRegistry.register(this); |
| controller.addListener(listener); |
| controller.addPacketListener(0, listener); |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| providerRegistry.unregister(this); |
| controller.removeListener(listener); |
| controller.removePacketListener(listener); |
| providerService = null; |
| log.info("Stopped"); |
| } |
| |
| |
| private class InternalLinkProvider implements PacketListener, OpenFlowSwitchListener { |
| |
| @Override |
| public void handlePacket(PacketContext pktCtx) { |
| |
| } |
| |
| @Override |
| public void switchAdded(Dpid dpid) { |
| // TODO Auto-generated method stub |
| |
| } |
| |
| @Override |
| public void switchRemoved(Dpid dpid) { |
| // TODO Auto-generated method stub |
| |
| } |
| |
| @Override |
| public void portChanged(Dpid dpid, OFPortStatus status) { |
| // TODO Auto-generated method stub |
| |
| } |
| |
| } |
| |
| } |