renderer/src/main/java/org/opendaylight/transportpce/renderer/RendererNotificationsImpl.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.renderer;
   9
  10 import com.google.common.base.Optional;
  11 import com.google.common.base.Preconditions;
  12 import com.google.common.cache.CacheBuilder;
  13 import com.google.common.cache.CacheLoader;
  14 import com.google.common.cache.LoadingCache;
  15
  16 import java.util.Collection;
  17 import java.util.List;
  18 import java.util.Set;
  19 import java.util.concurrent.ExecutionException;
  20 import java.util.concurrent.Future;
  21 import java.util.stream.Collectors;
  22
  23 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  24 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification;
  25 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification.ModificationType;
  26 import org.opendaylight.controller.md.sal.binding.api.DataTreeChangeListener;
  27 import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
  28 import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
  29 import org.opendaylight.controller.md.sal.binding.api.MountPoint;
  30 import org.opendaylight.controller.md.sal.binding.api.MountPointService;
  31 import org.opendaylight.controller.md.sal.binding.api.NotificationService;
  32 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  33 import org.opendaylight.controller.sal.binding.api.RpcConsumerRegistry;
  34 import org.opendaylight.transportpce.renderer.listeners.AlarmNotificationListener;
  35 import org.opendaylight.transportpce.renderer.listeners.DeOperationsListener;
  36 import org.opendaylight.transportpce.renderer.listeners.DeviceListener;
  37 import org.opendaylight.transportpce.renderer.listeners.LldpListener;
  38 import org.opendaylight.transportpce.renderer.listeners.TcaListener;
  39 import org.opendaylight.transportpce.renderer.mapping.PortMapping;
  40 import org.opendaylight.yang.gen.v1.http.org.openroadm.alarm.rev161014.AlarmNotification;
  41 import org.opendaylight.yang.gen.v1.http.org.openroadm.alarm.rev161014.OrgOpenroadmAlarmListener;
  42 import org.opendaylight.yang.gen.v1.http.org.openroadm.de.operations.rev161014.OrgOpenroadmDeOperationsListener;
  43 import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev161014.OrgOpenroadmDeviceListener;
  44 import org.opendaylight.yang.gen.v1.http.org.openroadm.lldp.rev161014.OrgOpenroadmLldpListener;
  45 import org.opendaylight.yang.gen.v1.http.org.openroadm.tca.rev161014.OrgOpenroadmTcaListener;
  46 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.notification._1._0.rev080714.CreateSubscriptionInputBuilder;
  47 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.notification._1._0.rev080714.NotificationsService;
  48 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.notification._1._0.rev080714.StreamNameType;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNode;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNodeConnectionStatus.ConnectionStatus;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.network.topology.topology.topology.types.TopologyNetconf;
  52 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  53 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  54 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
  55 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  56 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
  57 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  58 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
  59 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  60 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  61 import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
  62 import org.opendaylight.yangtools.yang.common.RpcResult;
  63 import org.slf4j.Logger;
  64 import org.slf4j.LoggerFactory;
  65
  66 public class RendererNotificationsImpl implements DataTreeChangeListener<Node> {
  67
  68     private final DataBroker dataBroker;
  69     private final MountPointService mountService;
  70     private static final Logger LOG = LoggerFactory.getLogger(RendererNotificationsImpl.class);
  71     private ListenerRegistration<RendererNotificationsImpl> dataTreeChangeListenerRegistration;
  72
  73     private final Set<String> currentMountedDevice;
  74     public static final InstanceIdentifier<Topology> NETCONF_TOPO_IID = InstanceIdentifier.create(NetworkTopology.class)
  75         .child(Topology.class, new TopologyKey(new TopologyId(TopologyNetconf.QNAME.getLocalName())));
  76
  77     LoadingCache<String, KeyedInstanceIdentifier<Node, NodeKey>> mountIds = CacheBuilder.newBuilder().maximumSize(20)
  78         .build(new CacheLoader<String, KeyedInstanceIdentifier<Node, NodeKey>>() {
  79             @Override
  80             public KeyedInstanceIdentifier<Node, NodeKey> load(final String key) {
  81                 return NETCONF_TOPO_IID.child(Node.class, new NodeKey(new NodeId(key)));
  82             }
  83         });
  84
  85     public RendererNotificationsImpl(final DataBroker dataBroker, final MountPointService mountService,
  86         Set<String> currentMountedDevice) {
  87         this.dataBroker = dataBroker;
  88         this.mountService = mountService;
  89         this.currentMountedDevice = currentMountedDevice;
  90         if (mountService == null) {
  91             LOG.error("Mount service is null");
  92
  93         }
  94         if (dataBroker != null) {
  95             this.dataTreeChangeListenerRegistration = dataBroker.registerDataTreeChangeListener(
  96                 new DataTreeIdentifier<>(LogicalDatastoreType.OPERATIONAL, NETCONF_TOPO_IID.child(Node.class)), this);
  97         }
  98     }
  99
 100     private void registerNotificationListener(final NodeId nodeId) {
 101         final Optional<MountPoint> mountPoint;
 102         try {
 103             // Get mount point for specified device
 104             mountPoint = mountService.getMountPoint(mountIds.get(nodeId.getValue()));
 105             if (!mountPoint.isPresent()) {
 106                 LOG.error("Mount point for node {} doesn't exist", nodeId.getValue());
 107             }
 108         } catch (ExecutionException e) {
 109             throw new IllegalArgumentException(e);
 110         }
 111
 112         // Register notification service
 113         final Optional<NotificationService> notificationService = mountPoint.get().getService(
 114             NotificationService.class);
 115         if (!notificationService.isPresent()) {
 116             LOG.error("Failed to get RpcService for node {}", nodeId.getValue());
 117         }
 118
 119         final OrgOpenroadmAlarmListener alarmListener;
 120         alarmListener = new AlarmNotificationListener();
 121         LOG.info("Registering notification listener on {} for node: {}", AlarmNotification.QNAME, nodeId);
 122         // Register notification listener
 123         final ListenerRegistration<OrgOpenroadmAlarmListener>
 124             accessAlarmNotificationListenerRegistration =
 125                 notificationService.get().registerNotificationListener(alarmListener);
 126
 127         final OrgOpenroadmDeOperationsListener deOperationsListener;
 128         deOperationsListener = new DeOperationsListener();
 129         LOG.info("Registering notification listener on OrgOpenroadmDeOperationsListener for node: {}", nodeId);
 130         // Register notification listener
 131         final ListenerRegistration<OrgOpenroadmDeOperationsListener>
 132             accessDeOperationasNotificationListenerRegistration =
 133                 notificationService.get().registerNotificationListener(deOperationsListener);
 134
 135         final OrgOpenroadmDeviceListener deviceListener;
 136         deviceListener = new DeviceListener();
 137         LOG.info("Registering notification listener on OrgOpenroadmDeviceListener for node: {}", nodeId);
 138         // Register notification listener
 139         final ListenerRegistration<OrgOpenroadmDeviceListener>
 140             accessDeviceNotificationListenerRegistration = notificationService.get()
 141                 .registerNotificationListener(deviceListener);
 142
 143         final OrgOpenroadmLldpListener lldpListener;
 144         lldpListener = new LldpListener();
 145         LOG.info("Registering notification listener on OrgOpenroadmLldpListener for node: {}", nodeId);
 146         // Register notification listener
 147         final ListenerRegistration<OrgOpenroadmLldpListener> accessLldpNotificationListenerRegistration =
 148             notificationService.get().registerNotificationListener(lldpListener);
 149
 150         final OrgOpenroadmTcaListener tcaListener;
 151         tcaListener = new TcaListener();
 152         LOG.info("Registering notification listener on OrgOpenroadmTcaListener for node: {}", nodeId);
 153         // Register notification listener
 154         final ListenerRegistration<OrgOpenroadmTcaListener> accessTcaNotificationListenerRegistration =
 155             notificationService.get().registerNotificationListener(tcaListener);
 156
 157         // Listening to NETCONF datastream
 158         final String streamName = "NETCONF";
 159         final Optional<RpcConsumerRegistry> service = mountPoint.get().getService(RpcConsumerRegistry.class);
 160         if (!service.isPresent()) {
 161             LOG.error("Failed to get RpcService for node {}", nodeId.getValue());
 162         }
 163         final NotificationsService rpcService = service.get().getRpcService(NotificationsService.class);
 164         final CreateSubscriptionInputBuilder createSubscriptionInputBuilder = new CreateSubscriptionInputBuilder();
 165         createSubscriptionInputBuilder.setStream(new StreamNameType(streamName));
 166         LOG.info("Triggering notification stream {} for node {}", streamName, nodeId);
 167         final Future<RpcResult<Void>> subscription = rpcService.createSubscription(createSubscriptionInputBuilder
 168             .build());
 169     }
 170
 171     public void close() {
 172         LOG.info("RenderernotificationsImpl Closed");
 173         // Clean up the Data Change Listener registration
 174         if (dataTreeChangeListenerRegistration != null) {
 175             dataTreeChangeListenerRegistration.close();
 176         }
 177     }
 178
 179     @Override
 180     public void onDataTreeChanged(Collection<DataTreeModification<Node>> changes) {
 181
 182         for (DataTreeModification<Node> change : changes) {
 183
 184             DataObjectModification<Node> rootNode = change.getRootNode();
 185             String nodeId = rootNode.getDataAfter().getKey().getNodeId().getValue();
 186             NetconfNode nnode = Preconditions.checkNotNull(rootNode.getDataAfter().getAugmentation(NetconfNode.class),
 187                 "Node not connected via Netconf protocol");
 188             if (nnode != null) {
 189
 190                 if (rootNode.getModificationType() == ModificationType.WRITE) {
 191                     LOG.info("Node added " + nodeId);
 192
 193                 } else if (rootNode.getModificationType() == ModificationType.SUBTREE_MODIFIED) {
 194
 195                     LOG.info("Node modified " + nodeId);
 196                     ConnectionStatus csts = nnode.getConnectionStatus();
 197
 198                     switch (csts) {
 199                         case Connected: {
 200                             LOG.info("NETCONF Node: {} is fully connected", nodeId);
 201                             List<String> capabilities = nnode.getAvailableCapabilities().getAvailableCapability()
 202                                 .stream().map(cp -> cp.getCapability()).collect(Collectors.toList());
 203                             LOG.info("Capabilities: {}", capabilities);
 204                             /*
 205                              * TODO: check for required
 206                              * capabilities to listen for notifications
 207                              * registerNotificationListener(rootNode.
 208                              * getDataAfter(). getNodeId());
 209                              */
 210                             currentMountedDevice.add(nodeId);
 211                             new PortMapping(dataBroker, mountService, nodeId).createMappingData();
 212                             break;
 213                         }
 214                         case Connecting: {
 215                             LOG.info("NETCONF Node: {} was disconnected", nodeId);
 216                             break;
 217                         }
 218                         case UnableToConnect: {
 219                             LOG.info("NETCONF Node: {} connection failed", nodeId);
 220                             break;
 221                         }
 222                         default:
 223                             LOG.warn("Unexpected connection status " + csts.getName());
 224                     }
 225                 } else if (rootNode.getModificationType() ==  ModificationType.DELETE) {
 226                     LOG.info("Node removed " + nodeId);
 227                     currentMountedDevice.remove(nodeId);
 228                 }
 229             }
 230         }
 231     }
 232 }