interfacemanager/interfacemanager-impl/src/main/java/org/opendaylight/genius/interfacemanager/listeners/AlivenessMonitorListenerImpl.java

   1 /*
   2  * Copyright (c) 2016, 2017 Ericsson India Global Services Pvt Ltd. 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
   9 package org.opendaylight.genius.interfacemanager.listeners;
  10
  11 import static org.opendaylight.genius.infra.Datastore.OPERATIONAL;
  12
  13 import javax.annotation.PostConstruct;
  14 import javax.annotation.PreDestroy;
  15 import javax.inject.Inject;
  16 import javax.inject.Singleton;
  17 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  18 import org.opendaylight.controller.md.sal.binding.api.NotificationService;
  19 import org.opendaylight.genius.infra.ManagedNewTransactionRunner;
  20 import org.opendaylight.genius.infra.ManagedNewTransactionRunnerImpl;
  21 import org.opendaylight.genius.interfacemanager.commons.AlivenessMonitorUtils;
  22 import org.opendaylight.genius.interfacemanager.commons.InterfaceManagerCommonUtils;
  23 import org.opendaylight.infrautils.utils.concurrent.ListenableFutures;
  24 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.alivenessmonitor.rev160411.AlivenessMonitorListener;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.alivenessmonitor.rev160411.LivenessState;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.alivenessmonitor.rev160411.MonitorEvent;
  28 import org.slf4j.Logger;
  29 import org.slf4j.LoggerFactory;
  30
  31 /**
  32  * This class listens for interface creation/removal/update in Configuration DS.
  33  * This is used to handle interfaces for base of-ports.
  34  */
  35 @Singleton
  36 public class AlivenessMonitorListenerImpl implements AlivenessMonitorListener {
  37     private static final Logger LOG = LoggerFactory.getLogger(AlivenessMonitorListenerImpl.class);
  38
  39     private final ManagedNewTransactionRunner txRunner;
  40
  41     @Inject
  42     public AlivenessMonitorListenerImpl(final DataBroker dataBroker, final NotificationService notificationService) {
  43         this.txRunner = new ManagedNewTransactionRunnerImpl(dataBroker);
  44         notificationService.registerNotificationListener(this);
  45     }
  46
  47     @PostConstruct
  48     public void start() {
  49         LOG.info("AlivenessMonitorListener started");
  50     }
  51
  52     @PreDestroy
  53     public void close() {
  54         LOG.info("AlivenessMonitorListener closed");
  55     }
  56
  57     @Override
  58     public void onMonitorEvent(MonitorEvent notification) {
  59         ListenableFutures.addErrorLogging(txRunner.callWithNewReadWriteTransactionAndSubmit(OPERATIONAL, tx -> {
  60             Long monitorId = notification.getEventData().getMonitorId();
  61             String tunnelInterface = AlivenessMonitorUtils.getInterfaceFromMonitorId(tx, monitorId);
  62             if (tunnelInterface == null) {
  63                 LOG.debug("Either monitoring for interface not started by Interfacemgr or it is not LLDP monitoring");
  64                 return;
  65             }
  66             LivenessState livenessState = notification.getEventData().getMonitorState();
  67             LOG.debug("received monitor event for {} with livenessstate {}", tunnelInterface, livenessState);
  68             OperStatus opState = livenessState == LivenessState.Up ? OperStatus.Up : OperStatus.Down;
  69             InterfaceManagerCommonUtils.setOpStateForInterface(tx, tunnelInterface, opState);
  70         }), LOG, "Error processing monitor event {}", notification);
  71     }
  72 }