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 import java.util.Collection;
  16 import java.util.List;
  17 import java.util.Set;
  18 import java.util.stream.Collectors;
  19 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  20 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification;
  21 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification.ModificationType;
  22 import org.opendaylight.controller.md.sal.binding.api.DataTreeChangeListener;
  23 import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
  24 import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
  25 import org.opendaylight.controller.md.sal.binding.api.MountPoint;
  26 import org.opendaylight.controller.md.sal.binding.api.MountPointService;
  27 import org.opendaylight.controller.md.sal.binding.api.NotificationService;
  28 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  29 import org.opendaylight.controller.sal.binding.api.RpcConsumerRegistry;
  30 import org.opendaylight.transportpce.renderer.listeners.AlarmNotificationListener;
  31 import org.opendaylight.transportpce.renderer.listeners.DeOperationsListener;
  32 import org.opendaylight.transportpce.renderer.listeners.DeviceListener;
  33 import org.opendaylight.transportpce.renderer.listeners.LldpListener;
  34 import org.opendaylight.transportpce.renderer.listeners.TcaListener;
  35 import org.opendaylight.transportpce.renderer.mapping.PortMapping;
  36 import org.opendaylight.yang.gen.v1.http.org.openroadm.alarm.rev161014.AlarmNotification;
  37 import org.opendaylight.yang.gen.v1.http.org.openroadm.alarm.rev161014.OrgOpenroadmAlarmListener;
  38 import org.opendaylight.yang.gen.v1.http.org.openroadm.de.operations.rev161014.OrgOpenroadmDeOperationsListener;
  39 import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev170206.OrgOpenroadmDeviceListener;
  40 import org.opendaylight.yang.gen.v1.http.org.openroadm.lldp.rev161014.OrgOpenroadmLldpListener;
  41 import org.opendaylight.yang.gen.v1.http.org.openroadm.tca.rev161014.OrgOpenroadmTcaListener;
  42 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.notification._1._0.rev080714.CreateSubscriptionInputBuilder;
  43 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.notification._1._0.rev080714.NotificationsService;
  44 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.notification._1._0.rev080714.StreamNameType;
  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.ConnectionStatus;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.network.topology.topology.topology.types.TopologyNetconf;
  48 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  49 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  50 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
  51 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  52 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
  53 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  54 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
  55 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  56 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  57 import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
  58 import org.slf4j.Logger;
  59 import org.slf4j.LoggerFactory;
  60
  61 public class RendererNotificationsImpl implements DataTreeChangeListener<Node> {
  62
  63     private final DataBroker dataBroker;
  64     private final MountPointService mountService;
  65     private static final Logger LOG = LoggerFactory.getLogger(RendererNotificationsImpl.class);
  66     private ListenerRegistration<RendererNotificationsImpl> dataTreeChangeListenerRegistration;
  67
  68     private final Set<String> currentMountedDevice;
  69     public static final InstanceIdentifier<Topology> NETCONF_TOPO_IID = InstanceIdentifier.create(NetworkTopology.class)
  70         .child(Topology.class, new TopologyKey(new TopologyId(TopologyNetconf.QNAME.getLocalName())));
  71
  72     LoadingCache<String, KeyedInstanceIdentifier<Node, NodeKey>> mountIds = CacheBuilder.newBuilder().maximumSize(20)
  73         .build(new CacheLoader<String, KeyedInstanceIdentifier<Node, NodeKey>>() {
  74             @Override
  75             public KeyedInstanceIdentifier<Node, NodeKey> load(final String key) {
  76                 return NETCONF_TOPO_IID.child(Node.class, new NodeKey(new NodeId(key)));
  77             }
  78         });
  79
  80     public RendererNotificationsImpl(final DataBroker dataBroker, final MountPointService mountService,
  81         Set<String> currentMountedDevice) {
  82         this.dataBroker = dataBroker;
  83         this.mountService = mountService;
  84         this.currentMountedDevice = currentMountedDevice;
  85         if (mountService == null) {
  86             LOG.error("Mount service is null");
  87
  88         }
  89         if (dataBroker != null) {
  90             this.dataTreeChangeListenerRegistration = dataBroker.registerDataTreeChangeListener(
  91                 new DataTreeIdentifier<>(LogicalDatastoreType.OPERATIONAL, NETCONF_TOPO_IID.child(Node.class)), this);
  92         }
  93     }
  94
  95     private void registerNotificationListener(final NodeId nodeId) {
  96
  97         MountPoint mountPoint = PortMapping.getDeviceMountPoint(nodeId.getValue(), this.mountService);
  98
  99         // Register notification service
 100         final Optional<NotificationService> notificationService = mountPoint.getService(
 101             NotificationService.class);
 102         if (!notificationService.isPresent()) {
 103             LOG.error("Failed to get RpcService for node {}", nodeId.getValue());
 104         }
 105
 106         final OrgOpenroadmAlarmListener alarmListener;
 107         alarmListener = new AlarmNotificationListener();
 108         LOG.info("Registering notification listener on {} for node: {}", AlarmNotification.QNAME, nodeId);
 109         // Register notification listener
 110
 111         final OrgOpenroadmDeOperationsListener deOperationsListener;
 112         deOperationsListener = new DeOperationsListener();
 113         LOG.info("Registering notification listener on OrgOpenroadmDeOperationsListener for node: {}", nodeId);
 114         // Register notification listener
 115
 116         final OrgOpenroadmDeviceListener deviceListener;
 117         deviceListener = new DeviceListener();
 118         LOG.info("Registering notification listener on OrgOpenroadmDeviceListener for node: {}", nodeId);
 119         // Register notification listener
 120
 121         final OrgOpenroadmLldpListener lldpListener;
 122         lldpListener = new LldpListener();
 123         LOG.info("Registering notification listener on OrgOpenroadmLldpListener for node: {}", nodeId);
 124         // Register notification listener
 125
 126         final OrgOpenroadmTcaListener tcaListener;
 127         tcaListener = new TcaListener();
 128         LOG.info("Registering notification listener on OrgOpenroadmTcaListener for node: {}", nodeId);
 129         // Register notification listener
 130
 131         // Listening to NETCONF datastream
 132         final String streamName = "NETCONF";
 133         final Optional<RpcConsumerRegistry> service = mountPoint.getService(RpcConsumerRegistry.class);
 134         if (!service.isPresent()) {
 135             LOG.error("Failed to get RpcService for node {}", nodeId.getValue());
 136         }
 137
 138         final NotificationsService rpcService = service.get().getRpcService(NotificationsService.class);
 139         final CreateSubscriptionInputBuilder createSubscriptionInputBuilder = new CreateSubscriptionInputBuilder();
 140         createSubscriptionInputBuilder.setStream(new StreamNameType(streamName));
 141         LOG.info("Triggering notification stream {} for node {}", streamName, nodeId);
 142
 143     }
 144
 145     public void close() {
 146         LOG.info("RenderernotificationsImpl Closed");
 147         // Clean up the Data Change Listener registration
 148         if (this.dataTreeChangeListenerRegistration != null) {
 149             this.dataTreeChangeListenerRegistration.close();
 150         }
 151     }
 152
 153     @Override
 154     public void onDataTreeChanged(Collection<DataTreeModification<Node>> changes) {
 155
 156         for (DataTreeModification<Node> change : changes) {
 157
 158             DataObjectModification<Node> rootNode = change.getRootNode();
 159             NetconfNode nnode = null;
 160             String nodeId = new String();
 161             if (rootNode.getDataAfter() != null) {
 162                 nnode = Preconditions.checkNotNull(rootNode.getDataAfter().getAugmentation(NetconfNode.class),
 163                     "Node not connected via Netconf protocol");
 164                 nodeId = rootNode.getDataAfter().getKey().getNodeId().getValue();
 165             }
 166
 167             if (rootNode.getModificationType() == ModificationType.DELETE) {
 168                 String nodeid = rootNode.getDataBefore().getKey().getNodeId().getValue();
 169                 LOG.info("Node {} removed...", nodeid);
 170                 this.currentMountedDevice.remove(nodeid);
 171                 new PortMapping(this.dataBroker, this.mountService, nodeid).deleteMappingData();
 172             }
 173
 174             if (nnode != null) {
 175                 if (nodeId.equals("controller-config")) {
 176                     // We shouldn't process controller-config as an OpenROAM device
 177                     LOG.info("{} ignored: org-openroadm-device advertised but not a real ROADM device", nodeId);
 178                     return;
 179                 }
 180                 if ((rootNode.getModificationType() == ModificationType.WRITE) ||
 181                         (rootNode.getModificationType() == ModificationType.SUBTREE_MODIFIED)) {
 182                     LOG.info("Node added or modified {}", nodeId);
 183                     ConnectionStatus csts = nnode.getConnectionStatus();
 184
 185                     switch (csts) {
 186                         case Connected: {
 187                             LOG.info("NETCONF Node: {} is fully connected", nodeId);
 188                             List<String> capabilities = nnode.getAvailableCapabilities().getAvailableCapability()
 189                                 .stream().map(cp -> cp.getCapability()).collect(Collectors.toList());
 190                             LOG.info("Capabilities: {}", capabilities);
 191                             /*
 192                              * TODO: check for required capabilities to listen
 193                              * for notifications
 194                              */
 195                             registerNotificationListener(rootNode.getDataAfter().getNodeId());
 196                             this.currentMountedDevice.add(nodeId);
 197                             new PortMapping(this.dataBroker, this.mountService, nodeId).createMappingData();
 198                             break;
 199                         }
 200                         case Connecting: {
 201                             LOG.info("NETCONF Node: {} is (dis)connecting", nodeId);
 202                             break;
 203                         }
 204                         case UnableToConnect: {
 205                             LOG.info("NETCONF Node: {} connection failed", nodeId);
 206                             break;
 207                         }
 208                         default:
 209                             LOG.warn("Unexpected connection status {}", csts.getName());
 210                     }
 211                 }
 212             }
 213         }
 214         LOG.info("Netconf devices currently mounted are : {}", this.currentMountedDevice.toString());
 215     }
 216 }