applications/topology-lldp-discovery/src/main/java/org/opendaylight/openflowplugin/applications/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.openflowplugin.applications.topology.lldp;
   9
  10 import org.opendaylight.controller.sal.binding.api.NotificationProviderService;
  11 import org.opendaylight.openflowplugin.applications.topology.lldp.utils.LLDPDiscoveryUtils;
  12 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.topology.discovery.rev130819.LinkDiscovered;
  13 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.topology.discovery.rev130819.LinkDiscoveredBuilder;
  14 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorRef;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketProcessingListener;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketReceived;
  17 import org.slf4j.Logger;
  18 import org.slf4j.LoggerFactory;
  19
  20 public class LLDPDiscoveryListener implements PacketProcessingListener {
  21     private static final Logger LOG = LoggerFactory.getLogger(LLDPDiscoveryListener.class);
  22
  23     private final LLDPLinkAger lldpLinkAger;
  24     private final NotificationProviderService notificationService;
  25
  26     public LLDPDiscoveryListener(NotificationProviderService notificationService, LLDPLinkAger lldpLinkAger) {
  27         this.notificationService = notificationService;
  28         this.lldpLinkAger = lldpLinkAger;
  29     }
  30
  31     @Override
  32     public void onPacketReceived(PacketReceived lldp) {
  33         NodeConnectorRef src = LLDPDiscoveryUtils.lldpToNodeConnectorRef(lldp.getPayload(), true);
  34         if(src != null) {
  35             LinkDiscoveredBuilder ldb = new LinkDiscoveredBuilder();
  36             ldb.setDestination(lldp.getIngress());
  37             ldb.setSource(new NodeConnectorRef(src));
  38             LinkDiscovered ld = ldb.build();
  39
  40             notificationService.publish(ld);
  41             lldpLinkAger.put(ld);
  42         }
  43     }
  44 }