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.Collections;
  12 import java.util.List;
  13 import java.util.Map;
  14 import java.util.Optional;
  15 import java.util.concurrent.ConcurrentHashMap;
  16 import java.util.stream.Collectors;
  17
  18 import javax.annotation.Nonnull;
  19
  20 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  21 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification;
  22 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification.ModificationType;
  23 import org.opendaylight.controller.md.sal.binding.api.DataTreeChangeListener;
  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.NotificationService;
  27 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  28 import org.opendaylight.transportpce.common.StringConstants;
  29 import org.opendaylight.transportpce.common.Timeouts;
  30 import org.opendaylight.transportpce.common.device.DeviceTransactionManager;
  31 import org.opendaylight.transportpce.networkmodel.dto.NodeRegistration;
  32 import org.opendaylight.transportpce.networkmodel.listeners.AlarmNotificationListener;
  33 import org.opendaylight.transportpce.networkmodel.listeners.DeOperationsListener;
  34 import org.opendaylight.transportpce.networkmodel.listeners.DeviceListener;
  35 import org.opendaylight.transportpce.networkmodel.listeners.LldpListener;
  36 import org.opendaylight.transportpce.networkmodel.listeners.TcaListener;
  37 import org.opendaylight.transportpce.networkmodel.service.NetworkModelService;
  38 import org.opendaylight.yang.gen.v1.http.org.openroadm.alarm.rev161014.OrgOpenroadmAlarmListener;
  39 import org.opendaylight.yang.gen.v1.http.org.openroadm.de.operations.rev161014.OrgOpenroadmDeOperationsListener;
  40 import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev170206.OrgOpenroadmDeviceListener;
  41 import org.opendaylight.yang.gen.v1.http.org.openroadm.lldp.rev161014.OrgOpenroadmLldpListener;
  42 import org.opendaylight.yang.gen.v1.http.org.openroadm.tca.rev161014.OrgOpenroadmTcaListener;
  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.opendaylight.netconf.node.topology.rev150114.netconf.node.connection.status.available.capabilities.AvailableCapability;
  48 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  49 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  50 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  51 import org.slf4j.Logger;
  52 import org.slf4j.LoggerFactory;
  53
  54 public class NetConfTopologyListener implements DataTreeChangeListener<Node> {
  55
  56     private static final Logger LOG = LoggerFactory.getLogger(NetConfTopologyListener.class);
  57
  58     private final NetworkModelService networkModelService;
  59     private final R2RLinkDiscovery linkDiscovery;
  60     private final DataBroker dataBroker;
  61     private final DeviceTransactionManager deviceTransactionManager;
  62     private final Map<String, NodeRegistration> registrations;
  63
  64     public NetConfTopologyListener(final NetworkModelService networkModelService, final DataBroker dataBroker,
  65             final R2RLinkDiscovery linkDiscovery, DeviceTransactionManager deviceTransactionManager) {
  66         this.networkModelService = networkModelService;
  67         this.linkDiscovery = linkDiscovery;
  68         this.dataBroker = dataBroker;
  69         this.deviceTransactionManager = deviceTransactionManager;
  70         this.registrations = new ConcurrentHashMap<>();
  71     }
  72
  73     private void onDeviceConnected(final String nodeId) {
  74         LOG.info("onDeviceConnected: {}", nodeId);
  75         Optional<MountPoint> mountPointOpt = this.deviceTransactionManager.getDeviceMountPoint(nodeId);
  76         MountPoint mountPoint;
  77         if (mountPointOpt.isPresent()) {
  78             mountPoint = mountPointOpt.get();
  79         } else {
  80             LOG.error("Failed to get mount point for node {}", nodeId);
  81             return;
  82         }
  83
  84         final Optional<NotificationService> notificationService =
  85                 mountPoint.getService(NotificationService.class).toJavaUtil();
  86         if (!notificationService.isPresent()) {
  87             LOG.error("Failed to get RpcService for node {}", nodeId);
  88             return;
  89         }
  90
  91         final OrgOpenroadmAlarmListener alarmListener = new AlarmNotificationListener(this.dataBroker);
  92         LOG.info("Registering notification listener on OrgOpenroadmAlarmListener for node: {}", nodeId);
  93         final ListenerRegistration<OrgOpenroadmAlarmListener> accessAlarmNotificationListenerRegistration =
  94                 notificationService.get().registerNotificationListener(alarmListener);
  95
  96         final OrgOpenroadmDeOperationsListener deOperationsListener = new DeOperationsListener();
  97         LOG.info("Registering notification listener on OrgOpenroadmDeOperationsListener for node: {}", nodeId);
  98         final ListenerRegistration<OrgOpenroadmDeOperationsListener>
  99             accessDeOperationasNotificationListenerRegistration =
 100                 notificationService.get().registerNotificationListener(deOperationsListener);
 101
 102         final OrgOpenroadmDeviceListener deviceListener = new DeviceListener();
 103         LOG.info("Registering notification listener on OrgOpenroadmDeviceListener for node: {}", nodeId);
 104         final ListenerRegistration<OrgOpenroadmDeviceListener> accessDeviceNotificationListenerRegistration =
 105                 notificationService.get().registerNotificationListener(deviceListener);
 106
 107         final OrgOpenroadmLldpListener lldpListener = new LldpListener(this.linkDiscovery, nodeId);
 108         LOG.info("Registering notification listener on OrgOpenroadmLldpListener for node: {}", nodeId);
 109         final ListenerRegistration<OrgOpenroadmLldpListener> accessLldpNotificationListenerRegistration =
 110                 notificationService.get().registerNotificationListener(lldpListener);
 111
 112         final OrgOpenroadmTcaListener tcaListener = new TcaListener();
 113         LOG.info("Registering notification listener on OrgOpenroadmTcaListener for node: {}", nodeId);
 114         final ListenerRegistration<OrgOpenroadmTcaListener> accessTcaNotificationListenerRegistration =
 115                 notificationService.get().registerNotificationListener(tcaListener);
 116
 117     }
 118
 119     private void onDeviceDisConnected(final String nodeId) {
 120         LOG.info("onDeviceDisConnected: {}", nodeId);
 121         NodeRegistration nodeRegistration = this.registrations.remove(nodeId);
 122         if (nodeRegistration != null) {
 123             nodeRegistration.getAccessAlarmNotificationListenerRegistration().close();
 124             nodeRegistration.getAccessDeOperationasNotificationListenerRegistration().close();
 125             nodeRegistration.getAccessDeviceNotificationListenerRegistration().close();
 126             nodeRegistration.getAccessLldpNotificationListenerRegistration().close();
 127             nodeRegistration.getAccessTcaNotificationListenerRegistration().close();
 128         }
 129     }
 130
 131     @Override
 132     @SuppressWarnings("checkstyle:FallThrough")
 133     public void onDataTreeChanged(@Nonnull Collection<DataTreeModification<Node>> changes) {
 134         LOG.info("onDataTreeChanged");
 135         for (DataTreeModification<Node> change : changes) {
 136             DataObjectModification<Node> rootNode = change.getRootNode();
 137             if ((rootNode.getDataAfter() == null) && (rootNode.getModificationType() != ModificationType.DELETE)) {
 138                 LOG.error("rootNode.getDataAfter is null : Node not connected via Netconf protocol");
 139                 continue;
 140             }
 141             if (rootNode.getModificationType() == ModificationType.DELETE) {
 142                 if (rootNode.getDataBefore() != null) {
 143                     String nodeId = rootNode.getDataBefore().key().getNodeId().getValue();
 144                     LOG.info("Node {} deleted", nodeId);
 145                     this.networkModelService.deleteOpenROADMnode(nodeId);
 146                     onDeviceDisConnected(nodeId);
 147                 } else {
 148                     LOG.error("rootNode.getDataBefore is null !");
 149                 }
 150                 continue;
 151             }
 152             String nodeId = rootNode.getDataAfter().key().getNodeId().getValue();
 153             NetconfNode netconfNode = rootNode.getDataAfter().augmentation(NetconfNode.class);
 154
 155             if ((netconfNode != null) && !StringConstants.DEFAULT_NETCONF_NODEID.equals(nodeId)) {
 156                 switch (rootNode.getModificationType()) {
 157                     case WRITE:
 158                         LOG.info("Node added: {}", nodeId);
 159                     case SUBTREE_MODIFIED:
 160                         NetconfNodeConnectionStatus.ConnectionStatus connectionStatus =
 161                                 netconfNode.getConnectionStatus();
 162                         try {
 163                             List<AvailableCapability> deviceCapabilities = netconfNode.getAvailableCapabilities()
 164                                 .getAvailableCapability().stream().filter(cp -> cp.getCapability()
 165                                 .contains(StringConstants.OPENROADM_DEVICE_MODEL_NAME)).collect(Collectors.toList());
 166                             if (!deviceCapabilities.isEmpty()) {
 167                                 Collections.sort(deviceCapabilities, (cp0, cp1) -> cp1.getCapability()
 168                                     .compareTo(cp0.getCapability()));
 169                                 LOG.info("OpenROADM node detected: {} {}", nodeId, connectionStatus.name());
 170                                 switch (connectionStatus) {
 171                                     case Connected:
 172                                         this.networkModelService.createOpenROADMnode(nodeId, deviceCapabilities.get(0)
 173                                             .getCapability());
 174                                         onDeviceConnected(nodeId);
 175                                         break;
 176                                     case Connecting:
 177                                     case UnableToConnect:
 178                                         this.networkModelService.setOpenROADMnodeStatus(nodeId, connectionStatus);
 179                                         onDeviceDisConnected(nodeId);
 180                                         break;
 181                                     default:
 182                                         LOG.warn("Unsupported device state {}", connectionStatus.getName());
 183                                         break;
 184                                 }
 185                             }
 186                             LOG.error("Not an openROADM node");
 187                         } catch (NullPointerException e) {
 188                             LOG.error("Cannot get available Capabilities");
 189                         }
 190                         break;
 191                     default:
 192                         LOG.warn("Unexpected connection status : {}", rootNode.getModificationType());
 193                         break;
 194                 }
 195             }
 196         }
 197     }
 198
 199
 200     private String getSupportedStream(String nodeId) {
 201         InstanceIdentifier<Streams> streamsIID = InstanceIdentifier.create(Netconf.class).child(Streams.class);
 202         try {
 203             Optional<Streams> ordmInfoObject =
 204                     this.deviceTransactionManager.getDataFromDevice(nodeId, LogicalDatastoreType.OPERATIONAL,
 205                             streamsIID, Timeouts.DEVICE_READ_TIMEOUT, Timeouts.DEVICE_READ_TIMEOUT_UNIT);
 206             if (!ordmInfoObject.isPresent()) {
 207                 LOG.error("Info subtree is not present");
 208                 return null;
 209             }
 210             for (org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netmod.notification.rev080714.netconf
 211                         .streams.Stream strm : ordmInfoObject.get().getStream()) {
 212
 213                 if ("OPENROADM".equalsIgnoreCase(strm.getName().getValue())) {
 214                     return strm.getName().getValue().toUpperCase();
 215                 }
 216             }
 217             return "NETCONF";
 218         } catch (NullPointerException ex) {
 219             LOG.error("NullPointerException thrown while getting Info from a non Open ROADM device {}", nodeId);
 220             return null;
 221         }
 222     }
 223 }