networkmodel/src/main/java/org/opendaylight/transportpce/networkmodel/NetConfTopologyListener.java

   1 /*
   2  * Copyright © 2016 Orange 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;
   9
  10 import java.util.Collection;
  11 import java.util.Map;
  12 import java.util.Optional;
  13 import java.util.concurrent.ConcurrentHashMap;
  14
  15 import javax.annotation.Nonnull;
  16
  17 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  18 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification;
  19 import org.opendaylight.controller.md.sal.binding.api.DataTreeChangeListener;
  20 import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
  21 import org.opendaylight.controller.md.sal.binding.api.MountPoint;
  22 import org.opendaylight.controller.md.sal.binding.api.NotificationService;
  23 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  24 import org.opendaylight.controller.sal.binding.api.RpcConsumerRegistry;
  25 import org.opendaylight.transportpce.common.StringConstants;
  26 import org.opendaylight.transportpce.common.Timeouts;
  27 import org.opendaylight.transportpce.common.device.DeviceTransactionManager;
  28 import org.opendaylight.transportpce.networkmodel.dto.NodeRegistration;
  29 import org.opendaylight.transportpce.networkmodel.listeners.AlarmNotificationListener;
  30 import org.opendaylight.transportpce.networkmodel.listeners.DeOperationsListener;
  31 import org.opendaylight.transportpce.networkmodel.listeners.DeviceListener;
  32 import org.opendaylight.transportpce.networkmodel.listeners.LldpListener;
  33 import org.opendaylight.transportpce.networkmodel.listeners.TcaListener;
  34 import org.opendaylight.transportpce.networkmodel.service.NetworkModelService;
  35 import org.opendaylight.yang.gen.v1.http.org.openroadm.alarm.rev161014.OrgOpenroadmAlarmListener;
  36 import org.opendaylight.yang.gen.v1.http.org.openroadm.de.operations.rev161014.OrgOpenroadmDeOperationsListener;
  37 import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev170206.OrgOpenroadmDeviceListener;
  38 import org.opendaylight.yang.gen.v1.http.org.openroadm.lldp.rev161014.OrgOpenroadmLldpListener;
  39 import org.opendaylight.yang.gen.v1.http.org.openroadm.tca.rev161014.OrgOpenroadmTcaListener;
  40 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.notification._1._0.rev080714.CreateSubscriptionInputBuilder;
  41 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.notification._1._0.rev080714.NotificationsService;
  42 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.notification._1._0.rev080714.StreamNameType;
  43 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netmod.notification.rev080714.Netconf;
  44 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netmod.notification.rev080714.netconf.Streams;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNode;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNodeConnectionStatus;
  47 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  48 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  49 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  50 import org.slf4j.Logger;
  51 import org.slf4j.LoggerFactory;
  52
  53 public class NetConfTopologyListener implements DataTreeChangeListener<Node> {
  54
  55     private static final Logger LOG = LoggerFactory.getLogger(NetConfTopologyListener.class);
  56
  57     private final NetworkModelService networkModelService;
  58     private final R2RLinkDiscovery linkDiscovery;
  59     private final DataBroker dataBroker;
  60     private final DeviceTransactionManager deviceTransactionManager;
  61     private final Map<String, NodeRegistration> registrations;
  62
  63     public NetConfTopologyListener(final NetworkModelService networkModelService, final DataBroker dataBroker,
  64             final R2RLinkDiscovery linkDiscovery, DeviceTransactionManager deviceTransactionManager) {
  65         this.networkModelService = networkModelService;
  66         this.linkDiscovery = linkDiscovery;
  67         this.dataBroker = dataBroker;
  68         this.deviceTransactionManager = deviceTransactionManager;
  69         this.registrations = new ConcurrentHashMap<>();
  70     }
  71
  72     private void onDeviceConnected(final String nodeId) {
  73         LOG.info("onDeviceConnected: {}", nodeId);
  74         Optional<MountPoint> mountPointOpt = this.deviceTransactionManager.getDeviceMountPoint(nodeId);
  75         MountPoint mountPoint;
  76         if (mountPointOpt.isPresent()) {
  77             mountPoint = mountPointOpt.get();
  78         } else {
  79             LOG.error("Failed to get mount point for node {}", nodeId);
  80             return;
  81         }
  82
  83         final Optional<NotificationService> notificationService =
  84                 mountPoint.getService(NotificationService.class).toJavaUtil();
  85         if (!notificationService.isPresent()) {
  86             LOG.error("Failed to get RpcService for node {}", nodeId);
  87             return;
  88         }
  89
  90         final OrgOpenroadmAlarmListener alarmListener = new AlarmNotificationListener(this.dataBroker);
  91         LOG.info("Registering notification listener on OrgOpenroadmAlarmListener for node: {}", nodeId);
  92         final ListenerRegistration<OrgOpenroadmAlarmListener> accessAlarmNotificationListenerRegistration =
  93                 notificationService.get().registerNotificationListener(alarmListener);
  94
  95         final OrgOpenroadmDeOperationsListener deOperationsListener = new DeOperationsListener();
  96         LOG.info("Registering notification listener on OrgOpenroadmDeOperationsListener for node: {}", nodeId);
  97         final ListenerRegistration<OrgOpenroadmDeOperationsListener>
  98             accessDeOperationasNotificationListenerRegistration =
  99                 notificationService.get().registerNotificationListener(deOperationsListener);
 100
 101         final OrgOpenroadmDeviceListener deviceListener = new DeviceListener();
 102         LOG.info("Registering notification listener on OrgOpenroadmDeviceListener for node: {}", nodeId);
 103         final ListenerRegistration<OrgOpenroadmDeviceListener> accessDeviceNotificationListenerRegistration =
 104                 notificationService.get().registerNotificationListener(deviceListener);
 105
 106         final OrgOpenroadmLldpListener lldpListener = new LldpListener(this.linkDiscovery, nodeId);
 107         LOG.info("Registering notification listener on OrgOpenroadmLldpListener for node: {}", nodeId);
 108         final ListenerRegistration<OrgOpenroadmLldpListener> accessLldpNotificationListenerRegistration =
 109                 notificationService.get().registerNotificationListener(lldpListener);
 110
 111         final OrgOpenroadmTcaListener tcaListener = new TcaListener();
 112         LOG.info("Registering notification listener on OrgOpenroadmTcaListener for node: {}", nodeId);
 113         final ListenerRegistration<OrgOpenroadmTcaListener> accessTcaNotificationListenerRegistration =
 114                 notificationService.get().registerNotificationListener(tcaListener);
 115
 116
 117
 118         String streamName = getSupportedStream(nodeId);
 119         if (streamName == null) {
 120             streamName = "OPENROADM";
 121         }
 122         final Optional<RpcConsumerRegistry> service = mountPoint.getService(RpcConsumerRegistry.class).toJavaUtil();
 123         if (service.isPresent()) {
 124             final NotificationsService rpcService = service.get().getRpcService(NotificationsService.class);
 125             if (rpcService == null) {
 126                 LOG.error("Failed to get RpcService for node {}", nodeId);
 127             } else {
 128                 final CreateSubscriptionInputBuilder createSubscriptionInputBuilder =
 129                     new CreateSubscriptionInputBuilder();
 130                 createSubscriptionInputBuilder.setStream(new StreamNameType(streamName));
 131                 LOG.info("Triggering notification stream {} for node {}", streamName, nodeId);
 132                 rpcService.createSubscription(createSubscriptionInputBuilder.build());
 133             }
 134         } else {
 135             LOG.error("Failed to get RpcService for node {}", nodeId);
 136         }
 137         NodeRegistration nodeRegistration = new NodeRegistration(nodeId, accessAlarmNotificationListenerRegistration,
 138                 accessDeOperationasNotificationListenerRegistration, accessDeviceNotificationListenerRegistration,
 139                 accessLldpNotificationListenerRegistration, accessTcaNotificationListenerRegistration);
 140         this.registrations.put(nodeId, nodeRegistration);
 141     }
 142
 143     private void onDeviceDisConnected(final String nodeId) {
 144         LOG.info("onDeviceDisConnected: {}", nodeId);
 145         NodeRegistration nodeRegistration = this.registrations.remove(nodeId);
 146         if (nodeRegistration != null) {
 147             nodeRegistration.getAccessAlarmNotificationListenerRegistration().close();
 148             nodeRegistration.getAccessDeOperationasNotificationListenerRegistration().close();
 149             nodeRegistration.getAccessDeviceNotificationListenerRegistration().close();
 150             nodeRegistration.getAccessLldpNotificationListenerRegistration().close();
 151             nodeRegistration.getAccessTcaNotificationListenerRegistration().close();
 152         }
 153     }
 154
 155     @Override
 156     public void onDataTreeChanged(@Nonnull Collection<DataTreeModification<Node>> changes) {
 157         LOG.info("onDataTreeChanged");
 158         for (DataTreeModification<Node> change : changes) {
 159             DataObjectModification<Node> rootNode = change.getRootNode();
 160             if (rootNode.getDataAfter() == null) {
 161                 continue;
 162             }
 163             String nodeId = rootNode.getDataAfter().getKey().getNodeId().getValue();
 164             NetconfNode netconfNode = rootNode.getDataAfter().getAugmentation(NetconfNode.class);
 165             if ((netconfNode != null) && !StringConstants.DEFAULT_NETCONF_NODEID.equals(nodeId)) {
 166                 switch (rootNode.getModificationType()) {
 167                     case WRITE:
 168                         LOG.info("Node added: {}", nodeId);
 169                         break;
 170                     case SUBTREE_MODIFIED:
 171                         NetconfNodeConnectionStatus.ConnectionStatus connectionStatus =
 172                                 netconfNode.getConnectionStatus();
 173                         long count = netconfNode.getAvailableCapabilities().getAvailableCapability().stream()
 174                                 .filter(cp -> cp.getCapability().contains(StringConstants.OPENROADM_DEVICE_MODEL_NAME))
 175                                 .count();
 176                         if (count > 0) {
 177                             LOG.info("OpenROADM node detected: {} {}", nodeId, connectionStatus.name());
 178                             switch (connectionStatus) {
 179                                 case Connected:
 180                                     this.networkModelService.createOpenROADMnode(nodeId);
 181                                     onDeviceConnected(nodeId);
 182                                     break;
 183                                 case Connecting:
 184                                 case UnableToConnect:
 185                                     this.networkModelService.setOpenROADMnodeStatus(nodeId, connectionStatus);
 186                                     onDeviceDisConnected(nodeId);
 187                                     break;
 188                                 default:
 189                                     LOG.warn("Unsupported device state {}", connectionStatus.getName());
 190                                     break;
 191                             }
 192                         }
 193                         break;
 194                     case DELETE:
 195                         LOG.info("Node deleted: {}", nodeId);
 196                         break;
 197                     default:
 198                         break;
 199                 }
 200             }
 201         }
 202     }
 203
 204
 205     private String getSupportedStream(String nodeId) {
 206         InstanceIdentifier<Streams> streamsIID = InstanceIdentifier.create(Netconf.class).child(Streams.class);
 207         try {
 208             Optional<Streams> ordmInfoObject =
 209                     this.deviceTransactionManager.getDataFromDevice(nodeId, LogicalDatastoreType.OPERATIONAL,
 210                             streamsIID, Timeouts.DEVICE_READ_TIMEOUT, Timeouts.DEVICE_READ_TIMEOUT_UNIT);
 211             if (!ordmInfoObject.isPresent()) {
 212                 LOG.error("Info subtree is not present");
 213                 return null;
 214             }
 215             for (org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netmod.notification.rev080714.netconf
 216                         .streams.Stream strm : ordmInfoObject.get().getStream()) {
 217
 218                 if ("OPENROADM".equalsIgnoreCase(strm.getName().getValue())) {
 219                     return strm.getName().getValue().toUpperCase();
 220                 }
 221             }
 222             return "NETCONF";
 223         } catch (NullPointerException ex) {
 224             LOG.error("NullPointerException thrown while getting Info from a non Open ROADM device {}", nodeId);
 225             return null;
 226         }
 227     }
 228 }