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.Preconditions;
  11 import com.google.common.cache.CacheBuilder;
  12 import com.google.common.cache.CacheLoader;
  13 import com.google.common.cache.LoadingCache;
  14
  15 import java.util.Collection;
  16 import java.util.List;
  17 import java.util.Optional;
  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.common.device.DeviceTransactionManager;
  33 import org.opendaylight.transportpce.common.mapping.PortMapping;
  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.yang.gen.v1.http.org.openroadm.alarm.rev161014.AlarmNotification;
  40 import org.opendaylight.yang.gen.v1.http.org.openroadm.alarm.rev161014.OrgOpenroadmAlarmListener;
  41 import org.opendaylight.yang.gen.v1.http.org.openroadm.de.operations.rev161014.OrgOpenroadmDeOperationsListener;
  42 import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev170206.OrgOpenroadmDeviceListener;
  43 import org.opendaylight.yang.gen.v1.http.org.openroadm.lldp.rev161014.OrgOpenroadmLldpListener;
  44 import org.opendaylight.yang.gen.v1.http.org.openroadm.tca.rev161014.OrgOpenroadmTcaListener;
  45 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.notification._1._0.rev080714.CreateSubscriptionInputBuilder;
  46 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.notification._1._0.rev080714.NotificationsService;
  47 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.notification._1._0.rev080714.StreamNameType;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNode;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNodeConnectionStatus.ConnectionStatus;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.network.topology.topology.topology.types.TopologyNetconf;
  51 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  52 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  53 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
  54 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  55 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
  56 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  57 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
  58 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  59 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  60 import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
  61 import org.slf4j.Logger;
  62 import org.slf4j.LoggerFactory;
  63
  64 public class RendererNotificationsImpl implements DataTreeChangeListener<Node> {
  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     private final PortMapping portMapping;
  70     private final DeviceTransactionManager deviceTransactionManager;
  71     private final Set<String> currentMountedDevice;
  72     public static final InstanceIdentifier<Topology> NETCONF_TOPO_IID = InstanceIdentifier.create(NetworkTopology.class)
  73         .child(Topology.class, new TopologyKey(new TopologyId(TopologyNetconf.QNAME.getLocalName())));
  74
  75     LoadingCache<String, KeyedInstanceIdentifier<Node, NodeKey>> mountIds = CacheBuilder.newBuilder().maximumSize(20)
  76         .build(new CacheLoader<String, KeyedInstanceIdentifier<Node, NodeKey>>() {
  77             @Override
  78             public KeyedInstanceIdentifier<Node, NodeKey> load(final String key) {
  79                 return NETCONF_TOPO_IID.child(Node.class, new NodeKey(new NodeId(key)));
  80             }
  81         });
  82
  83     public RendererNotificationsImpl(final DataBroker dataBroker, final MountPointService mountService,
  84         Set<String> currentMountedDevice, PortMapping portMapping,DeviceTransactionManager deviceTransactionManager) {
  85         this.dataBroker = dataBroker;
  86         this.mountService = mountService;
  87         this.currentMountedDevice = currentMountedDevice;
  88         this.portMapping = portMapping;
  89         this.deviceTransactionManager = deviceTransactionManager;
  90         if (portMapping == null) {
  91             LOG.error("Portmapping is null !");
  92         }
  93         if (deviceTransactionManager == null) {
  94             LOG.error("deviceTransactionManager is null");
  95         }
  96         if (mountService == null) {
  97             LOG.error("Mount service is null");
  98         }
  99         if (dataBroker != null) {
 100             this.dataTreeChangeListenerRegistration = dataBroker.registerDataTreeChangeListener(
 101                 new DataTreeIdentifier<>(LogicalDatastoreType.OPERATIONAL, NETCONF_TOPO_IID.child(Node.class)), this);
 102         }
 103     }
 104
 105     private void registerNotificationListener(final String nodeId) {
 106
 107         LOG.info("onDeviceConnected: {}", nodeId);
 108         Optional<MountPoint> mountPointOpt = this.deviceTransactionManager.getDeviceMountPoint(nodeId);
 109         MountPoint mountPoint;
 110         if (mountPointOpt.isPresent()) {
 111             mountPoint = mountPointOpt.get();
 112         } else {
 113             LOG.error("Failed to get mount point for node {}", nodeId);
 114             return;
 115         }
 116
 117         final Optional<NotificationService> notificationService =
 118                 mountPoint.getService(NotificationService.class).toJavaUtil();
 119         if (!notificationService.isPresent()) {
 120             LOG.error("Failed to get RpcService for node {}", nodeId);
 121             return;
 122         }
 123
 124         final OrgOpenroadmAlarmListener alarmListener;
 125         alarmListener = new AlarmNotificationListener();
 126         LOG.info("Registering notification listener on {} for node: {}", AlarmNotification.QNAME, nodeId);
 127         // Register notification listener
 128
 129         final OrgOpenroadmDeOperationsListener deOperationsListener;
 130         deOperationsListener = new DeOperationsListener();
 131         LOG.info("Registering notification listener on OrgOpenroadmDeOperationsListener for node: {}", nodeId);
 132         // Register notification listener
 133
 134         final OrgOpenroadmDeviceListener deviceListener;
 135         deviceListener = new DeviceListener();
 136         LOG.info("Registering notification listener on OrgOpenroadmDeviceListener for node: {}", nodeId);
 137         // Register notification listener
 138
 139         final OrgOpenroadmLldpListener lldpListener;
 140         lldpListener = new LldpListener();
 141         LOG.info("Registering notification listener on OrgOpenroadmLldpListener for node: {}", nodeId);
 142         // Register notification listener
 143
 144         final OrgOpenroadmTcaListener tcaListener;
 145         tcaListener = new TcaListener();
 146         LOG.info("Registering notification listener on OrgOpenroadmTcaListener for node: {}", nodeId);
 147         // Register notification listener
 148
 149         // Listening to NETCONF datastream
 150         final String streamName = "NETCONF";
 151         final Optional<RpcConsumerRegistry> service = mountPoint.getService(RpcConsumerRegistry.class).toJavaUtil();
 152         if (!service.isPresent()) {
 153             LOG.error("Failed to get RpcService for node {}", nodeId);
 154         }
 155
 156         final NotificationsService rpcService = service.get().getRpcService(NotificationsService.class);
 157         final CreateSubscriptionInputBuilder createSubscriptionInputBuilder = new CreateSubscriptionInputBuilder();
 158         createSubscriptionInputBuilder.setStream(new StreamNameType(streamName));
 159         LOG.info("Triggering notification stream {} for node {}", streamName, nodeId);
 160
 161     }
 162
 163     public void close() {
 164         LOG.info("RenderernotificationsImpl Closed");
 165         // Clean up the Data Change Listener registration
 166         if (this.dataTreeChangeListenerRegistration != null) {
 167             this.dataTreeChangeListenerRegistration.close();
 168         }
 169     }
 170
 171     @Override
 172     public void onDataTreeChanged(Collection<DataTreeModification<Node>> changes) {
 173
 174         for (DataTreeModification<Node> change : changes) {
 175
 176             DataObjectModification<Node> rootNode = change.getRootNode();
 177             NetconfNode nnode = null;
 178             String nodeId = new String();
 179             if (rootNode.getDataAfter() != null) {
 180                 nnode = Preconditions.checkNotNull(rootNode.getDataAfter().getAugmentation(NetconfNode.class),
 181                     "Node not connected via Netconf protocol");
 182                 nodeId = rootNode.getDataAfter().getKey().getNodeId().getValue();
 183             }
 184
 185             if (rootNode.getModificationType() == ModificationType.DELETE) {
 186                 String nodeid = rootNode.getDataBefore().getKey().getNodeId().getValue();
 187                 LOG.info("Node {} removed...", nodeid);
 188                 this.portMapping.deleteMappingData(nodeid);
 189             }
 190
 191             if (nnode != null) {
 192                 if (nodeId.equals("controller-config")) {
 193                     // We shouldn't process controller-config as an OpenROAM device
 194                     LOG.info("{} ignored: org-openroadm-device advertised but not a real ROADM device", nodeId);
 195                     return;
 196                 }
 197                 if ((rootNode.getModificationType() == ModificationType.WRITE) ||
 198                         (rootNode.getModificationType() == ModificationType.SUBTREE_MODIFIED)) {
 199                     LOG.info("Node added or modified {}", nodeId);
 200                     ConnectionStatus csts = nnode.getConnectionStatus();
 201
 202                     switch (csts) {
 203                         case Connected: {
 204                             LOG.info("NETCONF Node: {} is fully connected", nodeId);
 205                             List<String> capabilities = nnode.getAvailableCapabilities().getAvailableCapability()
 206                                 .stream().map(cp -> cp.getCapability()).collect(Collectors.toList());
 207                             LOG.info("Capabilities: {}", capabilities);
 208                             /*
 209                              * TODO: check for required capabilities to listen
 210                              * for notifications
 211                              */
 212                             registerNotificationListener(nodeId);
 213                             this.currentMountedDevice.add(nodeId);
 214                             this.portMapping.createMappingData(nodeId);
 215                             break;
 216                         }
 217                         case Connecting: {
 218                             LOG.info("NETCONF Node: {} is (dis)connecting", nodeId);
 219                             break;
 220                         }
 221                         case UnableToConnect: {
 222                             LOG.info("NETCONF Node: {} connection failed", nodeId);
 223                             break;
 224                         }
 225                         default:
 226                             LOG.warn("Unexpected connection status {}", csts.getName());
 227                     }
 228                 }
 229             }
 230         }
 231         LOG.info("Netconf devices currently mounted are : {}", this.currentMountedDevice.toString());
 232     }
 233 }