import com.google.common.annotations.VisibleForTesting;
import com.google.common.util.concurrent.ListenableFuture;
import java.util.Collection;
+import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.concurrent.ConcurrentHashMap;
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.common.api.LogicalDatastoreType;
import org.opendaylight.transportpce.common.StringConstants;
-import org.opendaylight.transportpce.common.Timeouts;
import org.opendaylight.transportpce.common.device.DeviceTransactionManager;
import org.opendaylight.transportpce.common.mapping.PortMapping;
import org.opendaylight.transportpce.networkmodel.dto.NodeRegistration;
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.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;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
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;
case WRITE:
NetconfNode netconfNodeAfter = rootNode.getDataAfter().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());
+ onDeviceConnected(nodeId, deviceCapabilityOpt.get().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;
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.get();
final Optional<NotificationService> notificationService = mountPoint.getService(NotificationService.class);
- if (!notificationService.isPresent()) {
+ if (notificationService.isEmpty()) {
LOG.error(RPC_SERVICE_FAILED, nodeId);
return;
}
- NodeRegistration nodeRegistration = new NodeRegistration(nodeId, openRoadmVersion,
- notificationService.get(), this.dataBroker, this.portMapping);
+ NodeRegistration nodeRegistration =
+ new NodeRegistration(
+ nodeId, openRoadmVersion, notificationService.get(), 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();
+ this.registrations.remove(nodeId).unregisterListeners();
}
- private boolean subscribeStream(MountPoint mountPoint, String streamName, String nodeId) {
+ private boolean subscribeStream(MountPoint mountPoint, String nodeId) {
final Optional<RpcConsumerRegistry> service = mountPoint.getService(RpcConsumerRegistry.class);
- if (!service.isPresent()) {
+ if (service.isEmpty()) {
return false;
}
final NotificationsService rpcService = service.get().getRpcService(NotificationsService.class);
LOG.error(RPC_SERVICE_FAILED, 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 : List.of("OPENROADM", "NETCONF")) {
+ LOG.info("Triggering notification stream {} for node {}", streamName, nodeId);
+ ListenableFuture<RpcResult<CreateSubscriptionOutput>> subscription =
+ rpcService.createSubscription(
+ new CreateSubscriptionInputBuilder().setStream(new StreamNameType(streamName)).build());
+ // If OpenROADM stream is not supported
+ // Try NETCONF subscription
+ 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) {
- 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()) {
- LOG.error("List of streams supports by device is not present");
- return "NETCONF";
- }
- for (Stream strm : ordmInfoObject.get().getStream().values()) {
- LOG.debug("Streams are {}", strm);
- if ("OPENROADM".equalsIgnoreCase(strm.getName().getValue())) {
- return strm.getName().getValue();
- }
+ 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 "NETCONF";
+ return subscriptionSuccessful;
}
+
}