applications/topology-lldp-discovery/src/main/java/org/opendaylight/openflowplugin/applications/topology/lldp/LLDPActivator.java

   1 /*
   2  * Copyright (c) 2013 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 edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
  11 import javax.annotation.PreDestroy;
  12 import javax.inject.Inject;
  13 import javax.inject.Singleton;
  14 import org.opendaylight.mdsal.binding.api.NotificationService;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketReceived;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.lldp.discovery.config.rev160511.TopologyLldpDiscoveryConfig;
  17 import org.opendaylight.yangtools.concepts.Registration;
  18 import org.slf4j.Logger;
  19 import org.slf4j.LoggerFactory;
  20
  21 @Singleton
  22 public class LLDPActivator implements AutoCloseable {
  23     private static final Logger LOG = LoggerFactory.getLogger(LLDPActivator.class);
  24
  25     private static String lldpSecureKey;
  26
  27     private final Registration lldpNotificationRegistration;
  28
  29     @SuppressFBWarnings("ST_WRITE_TO_STATIC_FROM_INSTANCE_METHOD")
  30     @Inject
  31     public LLDPActivator(NotificationService notificationService,
  32                          LLDPDiscoveryListener lldpDiscoveryListener,
  33                          TopologyLldpDiscoveryConfig topologyLldpDiscoveryConfig) {
  34         lldpSecureKey = topologyLldpDiscoveryConfig.getLldpSecureKey();
  35
  36         LOG.info("Starting LLDPActivator with lldpSecureKey: {}", lldpSecureKey);
  37
  38         lldpNotificationRegistration =
  39             notificationService.registerListener(PacketReceived.class, lldpDiscoveryListener);
  40
  41         LOG.info("LLDPDiscoveryListener started.");
  42     }
  43
  44     @Override
  45     @PreDestroy
  46     public void close() {
  47         lldpNotificationRegistration.close();
  48
  49         LOG.info("LLDPDiscoveryListener stopped.");
  50     }
  51
  52     public static String getLldpSecureKey() {
  53         return lldpSecureKey;
  54     }
  55 }