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.stream.Collectors;
  20
  21 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  22 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification;
  23 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification.ModificationType;
  24 import org.opendaylight.controller.md.sal.binding.api.DataTreeChangeListener;
  25 import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
  26 import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
  27 import org.opendaylight.controller.md.sal.binding.api.MountPoint;
  28 import org.opendaylight.controller.md.sal.binding.api.MountPointService;
  29 import org.opendaylight.controller.md.sal.binding.api.NotificationService;
  30 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  31 import org.opendaylight.controller.sal.binding.api.RpcConsumerRegistry;
  32 import org.opendaylight.transportpce.renderer.listeners.AlarmNotificationListener;
  33 import org.opendaylight.transportpce.renderer.listeners.DeOperationsListener;
  34 import org.opendaylight.transportpce.renderer.listeners.DeviceListener;
  35 import org.opendaylight.transportpce.renderer.listeners.LldpListener;
  36 import org.opendaylight.transportpce.renderer.listeners.TcaListener;
  37 import org.opendaylight.transportpce.renderer.mapping.PortMapping;
  38 import org.opendaylight.yang.gen.v1.http.org.openroadm.alarm.rev161014.AlarmNotification;
  39 import org.opendaylight.yang.gen.v1.http.org.openroadm.alarm.rev161014.OrgOpenroadmAlarmListener;
  40 import org.opendaylight.yang.gen.v1.http.org.openroadm.de.operations.rev161014.OrgOpenroadmDeOperationsListener;
  41 import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev170206.OrgOpenroadmDeviceListener;
  42 import org.opendaylight.yang.gen.v1.http.org.openroadm.lldp.rev161014.OrgOpenroadmLldpListener;
  43 import org.opendaylight.yang.gen.v1.http.org.openroadm.tca.rev161014.OrgOpenroadmTcaListener;
  44 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.notification._1._0.rev080714.CreateSubscriptionInputBuilder;
  45 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.notification._1._0.rev080714.NotificationsService;
  46 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.notification._1._0.rev080714.StreamNameType;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNode;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNodeConnectionStatus.ConnectionStatus;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.network.topology.topology.topology.types.TopologyNetconf;
  50 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  51 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  52 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
  53 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  54 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
  55 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  56 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
  57 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  58 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  59 import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
  60 import org.slf4j.Logger;
  61 import org.slf4j.LoggerFactory;
  62
  63 public class RendererNotificationsImpl implements DataTreeChangeListener<Node> {
  64
  65     private final DataBroker dataBroker;
  66     private final MountPointService mountService;
  67     private static final Logger LOG = LoggerFactory.getLogger(RendererNotificationsImpl.class);
  68     private ListenerRegistration<RendererNotificationsImpl> dataTreeChangeListenerRegistration;
  69
  70     private final Set<String> currentMountedDevice;
  71     public static final InstanceIdentifier<Topology> NETCONF_TOPO_IID = InstanceIdentifier.create(NetworkTopology.class)
  72         .child(Topology.class, new TopologyKey(new TopologyId(TopologyNetconf.QNAME.getLocalName())));
  73
  74     LoadingCache<String, KeyedInstanceIdentifier<Node, NodeKey>> mountIds = CacheBuilder.newBuilder().maximumSize(20)
  75         .build(new CacheLoader<String, KeyedInstanceIdentifier<Node, NodeKey>>() {
  76             @Override
  77             public KeyedInstanceIdentifier<Node, NodeKey> load(final String key) {
  78                 return NETCONF_TOPO_IID.child(Node.class, new NodeKey(new NodeId(key)));
  79             }
  80         });
  81
  82     public RendererNotificationsImpl(final DataBroker dataBroker, final MountPointService mountService,
  83         Set<String> currentMountedDevice) {
  84         this.dataBroker = dataBroker;
  85         this.mountService = mountService;
  86         this.currentMountedDevice = currentMountedDevice;
  87         if (mountService == null) {
  88             LOG.error("Mount service is null");
  89
  90         }
  91         if (dataBroker != null) {
  92             this.dataTreeChangeListenerRegistration = dataBroker.registerDataTreeChangeListener(
  93                 new DataTreeIdentifier<>(LogicalDatastoreType.OPERATIONAL, NETCONF_TOPO_IID.child(Node.class)), this);
  94         }
  95     }
  96
  97     private void registerNotificationListener(final NodeId nodeId) {
  98
  99         MountPoint mountPoint = PortMapping.getDeviceMountPoint(nodeId.getValue(), mountService);
 100
 101         // Register notification service
 102         final Optional<NotificationService> notificationService = mountPoint.getService(
 103             NotificationService.class);
 104         if (!notificationService.isPresent()) {
 105             LOG.error("Failed to get RpcService for node {}", nodeId.getValue());
 106         }
 107
 108         final OrgOpenroadmAlarmListener alarmListener;
 109         alarmListener = new AlarmNotificationListener();
 110         LOG.info("Registering notification listener on {} for node: {}", AlarmNotification.QNAME, nodeId);
 111         // Register notification listener
 112
 113
 114         final OrgOpenroadmDeOperationsListener deOperationsListener;
 115         deOperationsListener = new DeOperationsListener();
 116         LOG.info("Registering notification listener on OrgOpenroadmDeOperationsListener for node: {}", nodeId);
 117         // Register notification listener
 118
 119
 120         final OrgOpenroadmDeviceListener deviceListener;
 121         deviceListener = new DeviceListener();
 122         LOG.info("Registering notification listener on OrgOpenroadmDeviceListener for node: {}", nodeId);
 123         // Register notification listener
 124
 125
 126         final OrgOpenroadmLldpListener lldpListener;
 127         lldpListener = new LldpListener();
 128         LOG.info("Registering notification listener on OrgOpenroadmLldpListener for node: {}", nodeId);
 129         // Register notification listener
 130
 131
 132         final OrgOpenroadmTcaListener tcaListener;
 133         tcaListener = new TcaListener();
 134         LOG.info("Registering notification listener on OrgOpenroadmTcaListener for node: {}", nodeId);
 135         // Register notification listener
 136
 137
 138         // Listening to NETCONF datastream
 139         final String streamName = "NETCONF";
 140         final Optional<RpcConsumerRegistry> service = mountPoint.getService(RpcConsumerRegistry.class);
 141         if (!service.isPresent()) {
 142             LOG.error("Failed to get RpcService for node {}", nodeId.getValue());
 143         }
 144
 145         final NotificationsService rpcService = service.get().getRpcService(NotificationsService.class);
 146         final CreateSubscriptionInputBuilder createSubscriptionInputBuilder = new CreateSubscriptionInputBuilder();
 147         createSubscriptionInputBuilder.setStream(new StreamNameType(streamName));
 148         LOG.info("Triggering notification stream {} for node {}", streamName, nodeId);
 149
 150     }
 151
 152     public void close() {
 153         LOG.info("RenderernotificationsImpl Closed");
 154         // Clean up the Data Change Listener registration
 155         if (dataTreeChangeListenerRegistration != null) {
 156             dataTreeChangeListenerRegistration.close();
 157         }
 158     }
 159
 160     @Override
 161     public void onDataTreeChanged(Collection<DataTreeModification<Node>> changes) {
 162
 163         for (DataTreeModification<Node> change : changes) {
 164
 165             DataObjectModification<Node> rootNode = change.getRootNode();
 166             NetconfNode nnode = null;
 167             String nodeId = new String();
 168             if (rootNode.getDataAfter() != null) {
 169                 nnode = Preconditions.checkNotNull(rootNode.getDataAfter().getAugmentation(NetconfNode.class),
 170                     "Node not connected via Netconf protocol");
 171                 nodeId = rootNode.getDataAfter().getKey().getNodeId().getValue();
 172             }
 173             if (nnode != null) {
 174                 if (rootNode.getModificationType() == ModificationType.WRITE) {
 175                     LOG.info("Node added " + nodeId);
 176
 177                 } else if (rootNode.getModificationType() == ModificationType.SUBTREE_MODIFIED) {
 178
 179                     LOG.info("Node modified " + nodeId);
 180                     ConnectionStatus csts = nnode.getConnectionStatus();
 181
 182                     switch (csts) {
 183                         case Connected: {
 184                             LOG.info("NETCONF Node: {} is fully connected", nodeId);
 185                             List<String> capabilities = nnode.getAvailableCapabilities().getAvailableCapability()
 186                                 .stream().map(cp -> cp.getCapability()).collect(Collectors.toList());
 187                             LOG.info("Capabilities: {}", capabilities);
 188                             /*
 189                              * TODO: check for required
 190                              * capabilities to listen for notifications
 191                              */
 192                             registerNotificationListener(rootNode.getDataAfter(). getNodeId());
 193                             currentMountedDevice.add(nodeId);
 194                             new PortMapping(dataBroker, mountService, nodeId).createMappingData();
 195                             break;
 196                         }
 197                         case Connecting: {
 198                             LOG.info("NETCONF Node: {} was disconnected", nodeId);
 199                             break;
 200                         }
 201                         case UnableToConnect: {
 202                             LOG.info("NETCONF Node: {} connection failed", nodeId);
 203                             break;
 204                         }
 205                         default:
 206                             LOG.warn("Unexpected connection status " + csts.getName());
 207                     }
 208                 } else if (rootNode.getModificationType() ==  ModificationType.DELETE) {
 209                     LOG.info("Node removed " + nodeId);
 210                     currentMountedDevice.remove(nodeId);
 211                 }
 212             }
 213         }
 214     }
 215 }