opendaylight/md-sal/topology-lldp-discovery/src/main/java/org/opendaylight/md/controller/topology/lldp/LLDPDiscoveryListener.java

   1 /*
   2  * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.md.controller.topology.lldp;
   9
  10 import org.opendaylight.md.controller.topology.lldp.utils.LLDPDiscoveryUtils;
  11 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.topology.discovery.rev130819.LinkDiscovered;
  12 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.topology.discovery.rev130819.LinkDiscoveredBuilder;
  13 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorRef;
  14 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketProcessingListener;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketReceived;
  16 import org.slf4j.Logger;
  17 import org.slf4j.LoggerFactory;
  18
  19 class LLDPDiscoveryListener implements PacketProcessingListener {
  20     static Logger LOG = LoggerFactory.getLogger(LLDPDiscoveryListener.class);
  21
  22     private LLDPDiscoveryProvider manager;
  23
  24     LLDPDiscoveryListener(LLDPDiscoveryProvider manager) {
  25         this.manager = manager;
  26     }
  27
  28     public void onPacketReceived(PacketReceived lldp) {
  29         NodeConnectorRef src = LLDPDiscoveryUtils.lldpToNodeConnectorRef(lldp.getPayload());
  30         if(src != null) {
  31             LinkDiscoveredBuilder ldb = new LinkDiscoveredBuilder();
  32             ldb.setDestination(lldp.getIngress());
  33             ldb.setSource(new NodeConnectorRef(src));
  34             LinkDiscovered ld = ldb.build();
  35
  36             manager.getNotificationService().publish(ld);
  37             LLDPLinkAger.getInstance().put(ld);
  38         }
  39     }
  40
  41 }