import com.google.common.annotations.VisibleForTesting;
import com.google.common.util.concurrent.ListenableFuture;
-import java.util.Collection;
+import java.util.ArrayList;
+import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ExecutionException;
-import javax.annotation.Nonnull;
import org.opendaylight.mdsal.binding.api.DataBroker;
import org.opendaylight.mdsal.binding.api.DataObjectModification;
import org.opendaylight.mdsal.binding.api.DataTreeChangeListener;
import org.opendaylight.mdsal.binding.api.DataTreeModification;
import org.opendaylight.mdsal.binding.api.MountPoint;
import org.opendaylight.mdsal.binding.api.NotificationService;
-import org.opendaylight.mdsal.binding.api.RpcConsumerRegistry;
+import org.opendaylight.mdsal.binding.api.RpcService;
import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
import org.opendaylight.transportpce.common.StringConstants;
import org.opendaylight.transportpce.common.Timeouts;
import org.opendaylight.transportpce.common.mapping.PortMapping;
import org.opendaylight.transportpce.networkmodel.dto.NodeRegistration;
import org.opendaylight.transportpce.networkmodel.service.NetworkModelService;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.notification._1._0.rev080714.CreateSubscription;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.notification._1._0.rev080714.CreateSubscriptionInputBuilder;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.notification._1._0.rev080714.CreateSubscriptionOutput;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.notification._1._0.rev080714.NotificationsService;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.notification._1._0.rev080714.StreamNameType;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netmod.notification.rev080714.Netconf;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netmod.notification.rev080714.netconf.Streams;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netmod.notification.rev080714.netconf.streams.Stream;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNode;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNodeConnectionStatus.ConnectionStatus;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.netconf.node.connection.status.available.capabilities.AvailableCapability;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.device.rev240611.ConnectionOper.ConnectionStatus;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.device.rev240611.connection.oper.available.capabilities.AvailableCapability;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev240611.NetconfNode;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.opendaylight.yangtools.yang.common.RpcResult;
public class NetConfTopologyListener implements DataTreeChangeListener<Node> {
private static final Logger LOG = LoggerFactory.getLogger(NetConfTopologyListener.class);
- private static final String RPC_SERVICE_FAILED = "Failed to get RpcService for node {}";
private final NetworkModelService networkModelService;
private final DataBroker dataBroker;
private final DeviceTransactionManager deviceTransactionManager;
private final Map<String, NodeRegistration> registrations;
private final PortMapping portMapping;
- public NetConfTopologyListener(final NetworkModelService networkModelService, final DataBroker dataBroker,
- DeviceTransactionManager deviceTransactionManager, PortMapping portMapping) {
+ public NetConfTopologyListener(
+ final NetworkModelService networkModelService,
+ final DataBroker dataBroker,
+ DeviceTransactionManager deviceTransactionManager,
+ PortMapping portMapping) {
this.networkModelService = networkModelService;
this.dataBroker = dataBroker;
this.deviceTransactionManager = deviceTransactionManager;
this.portMapping = portMapping;
}
- public void onDataTreeChanged(@Nonnull Collection<DataTreeModification<Node>> changes) {
+ @Override
+ public void onDataTreeChanged(List<DataTreeModification<Node>> changes) {
LOG.info("onDataTreeChanged - {}", this.getClass().getSimpleName());
for (DataTreeModification<Node> change : changes) {
DataObjectModification<Node> rootNode = change.getRootNode();
- if (rootNode.getDataBefore() == null) {
+ if (rootNode.dataBefore() == null) {
continue;
}
- String nodeId = rootNode.getDataBefore().key().getNodeId().getValue();
- NetconfNode netconfNodeBefore = rootNode.getDataBefore().augmentation(NetconfNode.class);
- switch (rootNode.getModificationType()) {
+ String nodeId = rootNode.dataBefore().key().getNodeId().getValue();
+ NetconfNode netconfNodeBefore = rootNode.dataBefore().augmentation(NetconfNode.class);
+ switch (rootNode.modificationType()) {
case DELETE:
if (this.networkModelService.deleteOpenRoadmnode(nodeId)) {
onDeviceDisConnected(nodeId);
}
break;
case WRITE:
- NetconfNode netconfNodeAfter = rootNode.getDataAfter().augmentation(NetconfNode.class);
+ NetconfNode netconfNodeAfter = rootNode.dataAfter().augmentation(NetconfNode.class);
if (ConnectionStatus.Connecting.equals(netconfNodeBefore.getConnectionStatus())
- && ConnectionStatus.Connected.equals(netconfNodeAfter.getConnectionStatus())) {
+ && ConnectionStatus.Connected.equals(netconfNodeAfter.getConnectionStatus())) {
LOG.info("Connecting Node: {}", nodeId);
- Optional<AvailableCapability> deviceCapabilityOpt = netconfNodeAfter
- .getAvailableCapabilities().getAvailableCapability().stream()
- .filter(cp -> cp.getCapability().contains(StringConstants.OPENROADM_DEVICE_MODEL_NAME))
- .sorted((c1, c2) -> c2.getCapability().compareTo(c1.getCapability()))
- .findFirst();
+ Optional<AvailableCapability> deviceCapabilityOpt =
+ netconfNodeAfter.getAvailableCapabilities().getAvailableCapability().stream()
+ .filter(cp -> cp.getCapability().contains(StringConstants.OPENROADM_DEVICE_MODEL_NAME))
+ .sorted((c1, c2) -> c2.getCapability().compareTo(c1.getCapability()))
+ .findFirst();
if (deviceCapabilityOpt.isEmpty()) {
LOG.error("Unable to get openroadm-device-capability");
return;
}
this.networkModelService
- .createOpenRoadmNode(nodeId, deviceCapabilityOpt.get().getCapability());
- onDeviceConnected(nodeId,deviceCapabilityOpt.get().getCapability());
+ .createOpenRoadmNode(nodeId, deviceCapabilityOpt.orElseThrow().getCapability());
+ onDeviceConnected(nodeId, deviceCapabilityOpt.orElseThrow().getCapability());
LOG.info("Device {} correctly connected to controller", nodeId);
}
if (ConnectionStatus.Connected.equals(netconfNodeBefore.getConnectionStatus())
- && ConnectionStatus.Connecting.equals(netconfNodeAfter.getConnectionStatus())) {
+ && ConnectionStatus.Connecting.equals(netconfNodeAfter.getConnectionStatus())) {
LOG.warn("Node: {} is being disconnected", nodeId);
}
break;
default:
- LOG.debug("Unknown modification type {}", rootNode.getModificationType().name());
+ LOG.debug("Unknown modification type {}", rootNode.modificationType().name());
break;
}
}
private void onDeviceConnected(final String nodeId, String openRoadmVersion) {
LOG.info("onDeviceConnected: {}", nodeId);
Optional<MountPoint> mountPointOpt = this.deviceTransactionManager.getDeviceMountPoint(nodeId);
- MountPoint mountPoint;
- if (mountPointOpt.isPresent()) {
- mountPoint = mountPointOpt.get();
- } else {
+ if (mountPointOpt.isEmpty()) {
LOG.error("Failed to get mount point for node {}", nodeId);
return;
}
+ MountPoint mountPoint = mountPointOpt.orElseThrow();
final Optional<NotificationService> notificationService = mountPoint.getService(NotificationService.class);
- if (!notificationService.isPresent()) {
- LOG.error(RPC_SERVICE_FAILED, nodeId);
+ if (notificationService.isEmpty()) {
+ LOG.error("Failed to get NotificationService for node {}", nodeId);
return;
}
- NodeRegistration nodeRegistration = new NodeRegistration(nodeId, openRoadmVersion,
- notificationService.get(), this.dataBroker, this.portMapping);
+ NodeRegistration nodeRegistration =
+ new NodeRegistration(
+ nodeId, openRoadmVersion, notificationService.orElseThrow(), this.dataBroker, this.portMapping);
nodeRegistration.registerListeners();
registrations.put(nodeId, nodeRegistration);
- String streamName = getSupportedStream(nodeId);
- LOG.info("Device is supporting notification stream {}",streamName);
- subscribeStream(mountPoint, streamName, nodeId);
+
+ subscribeStream(mountPoint, nodeId);
}
private void onDeviceDisConnected(final String nodeId) {
LOG.info("onDeviceDisConnected: {}", nodeId);
- NodeRegistration nodeRegistration = this.registrations.remove(nodeId);
- nodeRegistration.unregisterListeners();
+ if (this.registrations.containsKey(nodeId)) {
+ this.registrations.remove(nodeId).unregisterListeners();
+ }
}
- private boolean subscribeStream(MountPoint mountPoint, String streamName, String nodeId) {
- final Optional<RpcConsumerRegistry> service = mountPoint.getService(RpcConsumerRegistry.class);
- if (!service.isPresent()) {
+ private boolean subscribeStream(MountPoint mountPoint, String nodeId) {
+ final Optional<RpcService> service = mountPoint.getService(RpcService.class);
+ if (service.isEmpty()) {
return false;
}
- final NotificationsService rpcService = service.get().getRpcService(NotificationsService.class);
+ final CreateSubscription rpcService = service.orElseThrow().getRpc(CreateSubscription.class);
if (rpcService == null) {
- LOG.error(RPC_SERVICE_FAILED, nodeId);
+ LOG.error("Failed to get RpcService for node {}", nodeId);
return false;
}
- final CreateSubscriptionInputBuilder createSubscriptionInputBuilder = new CreateSubscriptionInputBuilder()
- .setStream(new StreamNameType(streamName));
- LOG.info("Triggering notification stream {} for node {}", streamName, nodeId);
- ListenableFuture<RpcResult<CreateSubscriptionOutput>> subscription = rpcService
- .createSubscription(createSubscriptionInputBuilder.build());
- try {
- subscription.get();
- } catch (InterruptedException | ExecutionException e) {
- LOG.error("Error during subscription to stream {}", streamName, e);
+ // Set the default stream as OPENROADM
+ for (String streamName : getSupportedStream(nodeId)) {
+ LOG.info("Triggering notification stream {} for node {}", streamName, nodeId);
+ ListenableFuture<RpcResult<CreateSubscriptionOutput>> subscription = rpcService.invoke(
+ new CreateSubscriptionInputBuilder().setStream(new StreamNameType(streamName)).build());
+ if (checkSupportedStream(streamName, subscription)) {
+ return true;
+ }
}
- return true;
+ return false;
}
@VisibleForTesting
- public NetConfTopologyListener(final NetworkModelService networkModelService, final DataBroker dataBroker,
- DeviceTransactionManager deviceTransactionManager, PortMapping portMapping,
- Map<String, NodeRegistration> registrations) {
+ public NetConfTopologyListener(
+ final NetworkModelService networkModelService,
+ final DataBroker dataBroker,
+ DeviceTransactionManager deviceTransactionManager,
+ PortMapping portMapping,
+ Map<String, NodeRegistration> registrations) {
this.networkModelService = networkModelService;
this.dataBroker = dataBroker;
this.deviceTransactionManager = deviceTransactionManager;
this.registrations = registrations;
}
- private String getSupportedStream(String nodeId) {
+ private boolean checkSupportedStream(
+ String streamName,
+ ListenableFuture<RpcResult<CreateSubscriptionOutput>> subscription) {
+ boolean subscriptionSuccessful = false;
+ try {
+ // Using if condition does not work, since we need to handle exceptions
+ subscriptionSuccessful = subscription.get().isSuccessful();
+ LOG.info("{} subscription is {}", streamName, subscriptionSuccessful);
+ } catch (InterruptedException | ExecutionException e) {
+ LOG.error("Error during subscription to stream {}", streamName, e);
+ }
+ return subscriptionSuccessful;
+ }
+
+ private List<String> getSupportedStream(String nodeId) {
InstanceIdentifier<Streams> streamsIID = InstanceIdentifier.create(Netconf.class).child(Streams.class);
Optional<Streams> ordmInfoObject =
deviceTransactionManager.getDataFromDevice(nodeId, LogicalDatastoreType.OPERATIONAL, streamsIID,
Timeouts.DEVICE_READ_TIMEOUT, Timeouts.DEVICE_READ_TIMEOUT_UNIT);
- if (ordmInfoObject == null || ordmInfoObject.isEmpty() || ordmInfoObject.get().getStream().isEmpty()) {
+ if (ordmInfoObject == null || ordmInfoObject.isEmpty() || ordmInfoObject.orElseThrow().getStream().isEmpty()) {
LOG.error("List of streams supports by device is not present");
- return "NETCONF";
+ return List.of("OPENROADM","NETCONF");
}
- for (Stream strm : ordmInfoObject.get().getStream().values()) {
+ List<String> streams = new ArrayList<>();
+ List<String> netconfStreams = new ArrayList<>();
+ for (Stream strm : ordmInfoObject.orElseThrow().getStream().values()) {
LOG.debug("Streams are {}", strm);
if ("OPENROADM".equalsIgnoreCase(strm.getName().getValue())) {
- return strm.getName().getValue();
+ streams.add(strm.getName().getValue());
+ } else if ("NETCONF".equalsIgnoreCase(strm.getName().getValue())) {
+ netconfStreams.add(strm.getName().getValue());
}
}
- return "NETCONF";
+ // If OpenROADM streams are not supported, try NETCONF streams subscription
+ streams.addAll(netconfStreams);
+ return
+ streams.isEmpty()
+ ? List.of("OPENROADM","NETCONF")
+ : streams;
}
+
}