networkmodel/src/main/java/org/opendaylight/transportpce/networkmodel/listeners/AlarmNotificationListener.java

   1 /*
   2  * Copyright © 2017 AT&T 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.transportpce.networkmodel.listeners;
   9
  10 import java.util.ArrayList;
  11 import java.util.List;
  12 import java.util.Optional;
  13 import java.util.concurrent.ExecutionException;
  14 import org.opendaylight.mdsal.binding.api.DataBroker;
  15 import org.opendaylight.mdsal.binding.api.ReadTransaction;
  16 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  17 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.alarmsuppression.rev171102.ServiceNodelist;
  18 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.alarmsuppression.rev171102.service.nodelist.Nodelist;
  19 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.alarmsuppression.rev171102.service.nodelist.nodelist.Nodes;
  20 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.alarmsuppression.rev171102.service.nodelist.nodelist.NodesBuilder;
  21 import org.opendaylight.yang.gen.v1.http.org.openroadm.alarm.rev161014.AlarmNotification;
  22 import org.opendaylight.yang.gen.v1.http.org.openroadm.alarm.rev161014.OrgOpenroadmAlarmListener;
  23 import org.opendaylight.yang.gen.v1.http.org.openroadm.alarm.rev161014.alarm.ProbableCause;
  24 import org.opendaylight.yang.gen.v1.http.org.openroadm.resource.rev161014.resource.ResourceType;
  25 import org.opendaylight.yang.gen.v1.http.org.openroadm.resource.rev161014.resource.resource.Resource;
  26 import org.opendaylight.yang.gen.v1.http.org.openroadm.resource.rev161014.resource.resource.resource.CircuitPack;
  27 import org.opendaylight.yang.gen.v1.http.org.openroadm.resource.rev161014.resource.resource.resource.Connection;
  28 import org.opendaylight.yang.gen.v1.http.org.openroadm.resource.rev161014.resource.resource.resource.Degree;
  29 import org.opendaylight.yang.gen.v1.http.org.openroadm.resource.rev161014.resource.resource.resource.Interface;
  30 import org.opendaylight.yang.gen.v1.http.org.openroadm.resource.rev161014.resource.resource.resource.InternalLink;
  31 import org.opendaylight.yang.gen.v1.http.org.openroadm.resource.rev161014.resource.resource.resource.PhysicalLink;
  32 import org.opendaylight.yang.gen.v1.http.org.openroadm.resource.rev161014.resource.resource.resource.Port;
  33 import org.opendaylight.yang.gen.v1.http.org.openroadm.resource.rev161014.resource.resource.resource.Service;
  34 import org.opendaylight.yang.gen.v1.http.org.openroadm.resource.rev161014.resource.resource.resource.Shelf;
  35 import org.opendaylight.yang.gen.v1.http.org.openroadm.resource.rev161014.resource.resource.resource.Srg;
  36 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  37 import org.slf4j.Logger;
  38 import org.slf4j.LoggerFactory;
  39
  40 public class AlarmNotificationListener implements OrgOpenroadmAlarmListener {
  41
  42     private static final Logger LOG = LoggerFactory.getLogger(AlarmNotificationListener.class);
  43     private static final String PIPE = "|";
  44     private final DataBroker dataBroker;
  45
  46     public AlarmNotificationListener(DataBroker dataBroker) {
  47         this.dataBroker = dataBroker;
  48     }
  49
  50
  51     /**
  52      * Callback for alarm-notification.
  53      *
  54      * @param notification AlarmNotification object
  55      */
  56     @Override
  57     public void onAlarmNotification(AlarmNotification notification) {
  58         List<Nodes> allNodeList = new ArrayList<>();
  59         InstanceIdentifier<ServiceNodelist> serviceNodeListIID = InstanceIdentifier.create(ServiceNodelist.class);
  60         try (ReadTransaction rtx = dataBroker.newReadOnlyTransaction()) {
  61             Optional<ServiceNodelist> serviceListObject =
  62                     rtx.read(LogicalDatastoreType.OPERATIONAL, serviceNodeListIID).get();
  63             if (serviceListObject.isPresent()) {
  64                 for (Nodelist nodelist : serviceListObject.orElseThrow().nonnullNodelist().values()) {
  65                     allNodeList.addAll(nodelist.nonnullNodes().values());
  66                 }
  67             }
  68         } catch (InterruptedException | ExecutionException ex) {
  69             LOG.warn("Exception thrown while reading Logical Connection Point value: ", ex);
  70         }
  71         String message = String.join(PIPE,notification.getResource().getDevice().getNodeId(),
  72                 buildCause(notification.getProbableCause()),notification.getId() != null ? notification.getId() : "",
  73                 notification.getRaiseTime() != null ? notification.getRaiseTime().toString() : "",
  74                 notification.getSeverity() != null ? notification.getSeverity().getName() : "",
  75                 notification.getCircuitId() != null ? notification.getCircuitId() : "", buildType(notification));
  76
  77         Nodes build = new NodesBuilder().setNodeId(notification.getResource().getDevice().getNodeId()).build();
  78         if (allNodeList.contains(build)) {
  79             LOG.info("onAlarmNotification: {}", message);
  80         } else {
  81             LOG.warn("onAlarmNotification: {}", message);
  82         }
  83     }
  84
  85     private String buildCause(ProbableCause probableCause) {
  86         if (probableCause == null) {
  87             return "||||";
  88         }
  89         return String.join(PIPE,
  90                 (probableCause.getCause() != null) ? probableCause.getCause().getName() : "",
  91                 (probableCause.getDirection() != null) ? probableCause.getDirection().getName() : "",
  92                 (probableCause.getExtension() != null) ? probableCause.getExtension() : "",
  93                 (probableCause.getLocation() != null) ? probableCause.getLocation().getName() : "");
  94     }
  95
  96     @SuppressWarnings("unchecked")
  97     private static <T extends Resource> Optional<T> tryCastToParticularResource(Class<T> resourceClass,
  98             Resource resource) {
  99         if (resource == null) {
 100             LOG.error("Resource is null.");
 101             return Optional.empty();
 102         }
 103         if (!resourceClass.isInstance(resource)) {
 104             LOG.error("Resource implement different type than expected. Expected {}, actual {}.",
 105                     resourceClass.getSimpleName(), resource.getClass().getSimpleName());
 106             return Optional.empty();
 107         }
 108         return Optional.of((T) resource);
 109     }
 110
 111     private static String buildType(AlarmNotification notification) {
 112         String circuitPack = "";
 113         String connection = "";
 114         String degree = "";
 115         String iface = "";
 116         String internalLink = "";
 117         String physicalLink = "";
 118         String service = "";
 119         String shelf = "";
 120         String sharedRiskGroup = "";
 121         String port = "";
 122         String portCircuitPack = "";
 123
 124         Resource resource = notification.getResource().getResource().getResource();
 125         ResourceType wantedResourceType = notification.getResource().getResourceType();
 126
 127         switch (wantedResourceType.getType()) {
 128             case CircuitPack:
 129                 Optional<CircuitPack> circuitPackOptional = tryCastToParticularResource(CircuitPack.class, resource);
 130                 if (circuitPackOptional.isPresent()) {
 131                     circuitPack = circuitPackOptional.orElseThrow().getCircuitPackName();
 132                 }
 133                 break;
 134
 135             case Connection:
 136                 Optional<Connection> connectionOptional = tryCastToParticularResource(Connection.class, resource);
 137                 if (connectionOptional.isPresent()) {
 138                     connection = connectionOptional.orElseThrow().getConnectionNumber();
 139                 }
 140                 break;
 141
 142             case Degree:
 143                 Optional<Degree> degreeOptional = tryCastToParticularResource(Degree.class, resource);
 144                 if (degreeOptional.isPresent()) {
 145                     degree = degreeOptional.orElseThrow().getDegreeNumber().toString();
 146                 }
 147                 break;
 148
 149             case Interface:
 150                 Optional<Interface> interfaceOptional = tryCastToParticularResource(Interface.class, resource);
 151                 if (interfaceOptional.isPresent()) {
 152                     iface = interfaceOptional.orElseThrow().getInterfaceName();
 153                 }
 154                 break;
 155
 156             case InternalLink:
 157                 Optional<InternalLink> internalLinkOptional = tryCastToParticularResource(InternalLink.class, resource);
 158                 if (internalLinkOptional.isPresent()) {
 159                     internalLink = internalLinkOptional.orElseThrow().getInternalLinkName();
 160                 }
 161                 break;
 162
 163             case PhysicalLink:
 164                 Optional<PhysicalLink> physicalLinkOptional = tryCastToParticularResource(PhysicalLink.class, resource);
 165                 if (physicalLinkOptional.isPresent()) {
 166                     physicalLink = physicalLinkOptional.orElseThrow().getPhysicalLinkName();
 167                 }
 168                 break;
 169
 170             case Service:
 171                 Optional<Service> serviceOptional = tryCastToParticularResource(Service.class, resource);
 172                 if (serviceOptional.isPresent()) {
 173                     service = serviceOptional.orElseThrow().getServiceName();
 174                 }
 175                 break;
 176
 177             case Shelf:
 178                 Optional<Shelf> shelfOptional = tryCastToParticularResource(Shelf.class, resource);
 179                 if (shelfOptional.isPresent()) {
 180                     shelf = shelfOptional.orElseThrow().getShelfName();
 181                 }
 182                 break;
 183
 184             case SharedRiskGroup:
 185                 Optional<Srg> sharedRiskGroupOptional = tryCastToParticularResource(Srg.class, resource);
 186                 if (sharedRiskGroupOptional.isPresent()) {
 187                     sharedRiskGroup = sharedRiskGroupOptional.orElseThrow().getSrgNumber().toString();
 188                 }
 189                 break;
 190
 191             case Port:
 192                 Optional<Port> portContainerOptional = tryCastToParticularResource(Port.class, resource);
 193                 if (portContainerOptional.isPresent()) {
 194                     port = portContainerOptional.orElseThrow().getPort().getPortName();
 195                     portCircuitPack = portContainerOptional.orElseThrow().getPort().getCircuitPackName();
 196                 }
 197                 break;
 198
 199             default:
 200                 LOG.warn("Unknown resource type {}", wantedResourceType);
 201         }
 202         return String.join(PIPE, circuitPack, connection, degree, iface, internalLink, physicalLink,
 203                 service, shelf, sharedRiskGroup, port, portCircuitPack);
 204     }
 205 }