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.Map;
  12 import java.util.Optional;
  13 import java.util.concurrent.ConcurrentHashMap;
  14 import javax.annotation.Nonnull;
  15 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  16 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification;
  17 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification.ModificationType;
  18 import org.opendaylight.controller.md.sal.binding.api.DataTreeChangeListener;
  19 import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
  20 import org.opendaylight.controller.md.sal.binding.api.MountPoint;
  21 import org.opendaylight.controller.md.sal.binding.api.NotificationService;
  22 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  23 import org.opendaylight.transportpce.common.StringConstants;
  24 import org.opendaylight.transportpce.common.Timeouts;
  25 import org.opendaylight.transportpce.common.device.DeviceTransactionManager;
  26 import org.opendaylight.transportpce.networkmodel.dto.NodeRegistration;
  27 import org.opendaylight.transportpce.networkmodel.listeners.AlarmNotificationListener;
  28 import org.opendaylight.transportpce.networkmodel.listeners.DeOperationsListener;
  29 import org.opendaylight.transportpce.networkmodel.listeners.DeviceListener;
  30 import org.opendaylight.transportpce.networkmodel.listeners.LldpListener;
  31 import org.opendaylight.transportpce.networkmodel.listeners.TcaListener;
  32 import org.opendaylight.transportpce.networkmodel.service.NetworkModelService;
  33 import org.opendaylight.yang.gen.v1.http.org.openroadm.alarm.rev161014.OrgOpenroadmAlarmListener;
  34 import org.opendaylight.yang.gen.v1.http.org.openroadm.de.operations.rev161014.OrgOpenroadmDeOperationsListener;
  35 import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev170206.OrgOpenroadmDeviceListener;
  36 import org.opendaylight.yang.gen.v1.http.org.openroadm.lldp.rev161014.OrgOpenroadmLldpListener;
  37 import org.opendaylight.yang.gen.v1.http.org.openroadm.tca.rev161014.OrgOpenroadmTcaListener;
  38 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netmod.notification.rev080714.Netconf;
  39 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netmod.notification.rev080714.netconf.Streams;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNode;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNodeConnectionStatus;
  42 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  43 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  44 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  45 import org.slf4j.Logger;
  46 import org.slf4j.LoggerFactory;
  47
  48 public class NetConfTopologyListener implements DataTreeChangeListener<Node> {
  49
  50     private static final Logger LOG = LoggerFactory.getLogger(NetConfTopologyListener.class);
  51
  52     private final NetworkModelService networkModelService;
  53     private final R2RLinkDiscovery linkDiscovery;
  54     private final DataBroker dataBroker;
  55     private final DeviceTransactionManager deviceTransactionManager;
  56     private final Map<String, NodeRegistration> registrations;
  57
  58     public NetConfTopologyListener(final NetworkModelService networkModelService, final DataBroker dataBroker,
  59             final R2RLinkDiscovery linkDiscovery, DeviceTransactionManager deviceTransactionManager) {
  60         this.networkModelService = networkModelService;
  61         this.linkDiscovery = linkDiscovery;
  62         this.dataBroker = dataBroker;
  63         this.deviceTransactionManager = deviceTransactionManager;
  64         this.registrations = new ConcurrentHashMap<>();
  65     }
  66
  67     private void onDeviceConnected(final String nodeId) {
  68         LOG.info("onDeviceConnected: {}", nodeId);
  69         Optional<MountPoint> mountPointOpt = this.deviceTransactionManager.getDeviceMountPoint(nodeId);
  70         MountPoint mountPoint;
  71         if (mountPointOpt.isPresent()) {
  72             mountPoint = mountPointOpt.get();
  73         } else {
  74             LOG.error("Failed to get mount point for node {}", nodeId);
  75             return;
  76         }
  77
  78         final Optional<NotificationService> notificationService =
  79                 mountPoint.getService(NotificationService.class).toJavaUtil();
  80         if (!notificationService.isPresent()) {
  81             LOG.error("Failed to get RpcService for node {}", nodeId);
  82             return;
  83         }
  84
  85         final OrgOpenroadmAlarmListener alarmListener = new AlarmNotificationListener(this.dataBroker);
  86         LOG.info("Registering notification listener on OrgOpenroadmAlarmListener for node: {}", nodeId);
  87         final ListenerRegistration<OrgOpenroadmAlarmListener> accessAlarmNotificationListenerRegistration =
  88                 notificationService.get().registerNotificationListener(alarmListener);
  89
  90         final OrgOpenroadmDeOperationsListener deOperationsListener = new DeOperationsListener();
  91         LOG.info("Registering notification listener on OrgOpenroadmDeOperationsListener for node: {}", nodeId);
  92         final ListenerRegistration<OrgOpenroadmDeOperationsListener>
  93             accessDeOperationasNotificationListenerRegistration =
  94                 notificationService.get().registerNotificationListener(deOperationsListener);
  95
  96         final OrgOpenroadmDeviceListener deviceListener = new DeviceListener();
  97         LOG.info("Registering notification listener on OrgOpenroadmDeviceListener for node: {}", nodeId);
  98         final ListenerRegistration<OrgOpenroadmDeviceListener> accessDeviceNotificationListenerRegistration =
  99                 notificationService.get().registerNotificationListener(deviceListener);
 100
 101         final OrgOpenroadmLldpListener lldpListener = new LldpListener(this.linkDiscovery, nodeId);
 102         LOG.info("Registering notification listener on OrgOpenroadmLldpListener for node: {}", nodeId);
 103         final ListenerRegistration<OrgOpenroadmLldpListener> accessLldpNotificationListenerRegistration =
 104                 notificationService.get().registerNotificationListener(lldpListener);
 105
 106         final OrgOpenroadmTcaListener tcaListener = new TcaListener();
 107         LOG.info("Registering notification listener on OrgOpenroadmTcaListener for node: {}", nodeId);
 108         final ListenerRegistration<OrgOpenroadmTcaListener> accessTcaNotificationListenerRegistration =
 109                 notificationService.get().registerNotificationListener(tcaListener);
 110
 111     }
 112
 113     private void onDeviceDisConnected(final String nodeId) {
 114         LOG.info("onDeviceDisConnected: {}", nodeId);
 115         NodeRegistration nodeRegistration = this.registrations.remove(nodeId);
 116         if (nodeRegistration != null) {
 117             nodeRegistration.getAccessAlarmNotificationListenerRegistration().close();
 118             nodeRegistration.getAccessDeOperationasNotificationListenerRegistration().close();
 119             nodeRegistration.getAccessDeviceNotificationListenerRegistration().close();
 120             nodeRegistration.getAccessLldpNotificationListenerRegistration().close();
 121             nodeRegistration.getAccessTcaNotificationListenerRegistration().close();
 122         }
 123     }
 124
 125     @Override
 126     @SuppressWarnings("checkstyle:FallThrough")
 127     public void onDataTreeChanged(@Nonnull Collection<DataTreeModification<Node>> changes) {
 128         LOG.info("onDataTreeChanged");
 129         for (DataTreeModification<Node> change : changes) {
 130             DataObjectModification<Node> rootNode = change.getRootNode();
 131             if ((rootNode.getDataAfter() == null) && (rootNode.getModificationType() != ModificationType.DELETE)) {
 132                 LOG.error("rootNode.getDataAfter is null : Node not connected via Netconf protocol");
 133                 continue;
 134             }
 135             if (rootNode.getModificationType() == ModificationType.DELETE) {
 136                 if (rootNode.getDataBefore() != null) {
 137                     String nodeId = rootNode.getDataBefore().key().getNodeId().getValue();
 138                     LOG.info("Node {} deleted", nodeId);
 139                     this.networkModelService.deleteOpenROADMnode(nodeId);
 140                     onDeviceDisConnected(nodeId);
 141                 } else {
 142                     LOG.error("rootNode.getDataBefore is null !");
 143                 }
 144                 continue;
 145             }
 146             String nodeId = rootNode.getDataAfter().key().getNodeId().getValue();
 147             NetconfNode netconfNode = rootNode.getDataAfter().augmentation(NetconfNode.class);
 148
 149             if ((netconfNode != null) && !StringConstants.DEFAULT_NETCONF_NODEID.equals(nodeId)) {
 150                 switch (rootNode.getModificationType()) {
 151                     case WRITE:
 152                         LOG.info("Node added: {}", nodeId);
 153                     case SUBTREE_MODIFIED:
 154                         NetconfNodeConnectionStatus.ConnectionStatus connectionStatus =
 155                                 netconfNode.getConnectionStatus();
 156                         try {
 157                             long count = netconfNode.getAvailableCapabilities().getAvailableCapability().stream()
 158                                 .filter(cp -> cp.getCapability().contains(StringConstants.OPENROADM_DEVICE_MODEL_NAME))
 159                                 .count();
 160                             if (count > 0) {
 161                                 LOG.info("OpenROADM node detected: {} {}", nodeId, connectionStatus.name());
 162                                 switch (connectionStatus) {
 163                                     case Connected:
 164                                         this.networkModelService.createOpenROADMnode(nodeId);
 165                                         onDeviceConnected(nodeId);
 166                                         break;
 167                                     case Connecting:
 168                                     case UnableToConnect:
 169                                         this.networkModelService.setOpenROADMnodeStatus(nodeId, connectionStatus);
 170                                         onDeviceDisConnected(nodeId);
 171                                         break;
 172                                     default:
 173                                         LOG.warn("Unsupported device state {}", connectionStatus.getName());
 174                                         break;
 175                                 }
 176                             }
 177                         } catch (NullPointerException e) {
 178                             LOG.error("Cannot get available Capabilities");
 179                         }
 180                         break;
 181                     default:
 182                         LOG.warn("Unexpected connection status : {}", rootNode.getModificationType());
 183                         break;
 184                 }
 185             }
 186         }
 187     }
 188
 189
 190     private String getSupportedStream(String nodeId) {
 191         InstanceIdentifier<Streams> streamsIID = InstanceIdentifier.create(Netconf.class).child(Streams.class);
 192         try {
 193             Optional<Streams> ordmInfoObject =
 194                     this.deviceTransactionManager.getDataFromDevice(nodeId, LogicalDatastoreType.OPERATIONAL,
 195                             streamsIID, Timeouts.DEVICE_READ_TIMEOUT, Timeouts.DEVICE_READ_TIMEOUT_UNIT);
 196             if (!ordmInfoObject.isPresent()) {
 197                 LOG.error("Info subtree is not present");
 198                 return null;
 199             }
 200             for (org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netmod.notification.rev080714.netconf
 201                         .streams.Stream strm : ordmInfoObject.get().getStream()) {
 202
 203                 if ("OPENROADM".equalsIgnoreCase(strm.getName().getValue())) {
 204                     return strm.getName().getValue().toUpperCase();
 205                 }
 206             }
 207             return "NETCONF";
 208         } catch (NullPointerException ex) {
 209             LOG.error("NullPointerException thrown while getting Info from a non Open ROADM device {}", nodeId);
 210             return null;
 211         }
 212     }
 213 }