2 * Copyright © 2016 Orange and others. All rights reserved.
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
8 package org.opendaylight.transportpce.networkmodel;
10 import com.google.common.annotations.VisibleForTesting;
11 import com.google.common.util.concurrent.ListenableFuture;
12 import java.util.Collection;
14 import java.util.Optional;
15 import java.util.concurrent.ConcurrentHashMap;
16 import java.util.concurrent.ExecutionException;
17 import javax.annotation.Nonnull;
18 import org.opendaylight.mdsal.binding.api.DataBroker;
19 import org.opendaylight.mdsal.binding.api.DataObjectModification;
20 import org.opendaylight.mdsal.binding.api.DataTreeChangeListener;
21 import org.opendaylight.mdsal.binding.api.DataTreeModification;
22 import org.opendaylight.mdsal.binding.api.MountPoint;
23 import org.opendaylight.mdsal.binding.api.NotificationService;
24 import org.opendaylight.mdsal.binding.api.RpcConsumerRegistry;
25 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
26 import org.opendaylight.transportpce.common.StringConstants;
27 import org.opendaylight.transportpce.common.Timeouts;
28 import org.opendaylight.transportpce.common.device.DeviceTransactionManager;
29 import org.opendaylight.transportpce.common.mapping.PortMapping;
30 import org.opendaylight.transportpce.networkmodel.dto.NodeRegistration;
31 import org.opendaylight.transportpce.networkmodel.service.NetworkModelService;
32 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.notification._1._0.rev080714.CreateSubscriptionInputBuilder;
33 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.notification._1._0.rev080714.CreateSubscriptionOutput;
34 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.notification._1._0.rev080714.NotificationsService;
35 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.notification._1._0.rev080714.StreamNameType;
36 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netmod.notification.rev080714.Netconf;
37 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netmod.notification.rev080714.netconf.Streams;
38 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netmod.notification.rev080714.netconf.streams.Stream;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNode;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNodeConnectionStatus.ConnectionStatus;
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.netconf.node.connection.status.available.capabilities.AvailableCapability;
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.yang.binding.InstanceIdentifier;
44 import org.opendaylight.yangtools.yang.common.RpcResult;
45 import org.slf4j.Logger;
46 import org.slf4j.LoggerFactory;
48 public class NetConfTopologyListener implements DataTreeChangeListener<Node> {
50 private static final Logger LOG = LoggerFactory.getLogger(NetConfTopologyListener.class);
51 private static final String RPC_SERVICE_FAILED = "Failed to get RpcService for node {}";
52 private final NetworkModelService networkModelService;
53 private final DataBroker dataBroker;
54 private final DeviceTransactionManager deviceTransactionManager;
55 private final Map<String, NodeRegistration> registrations;
56 private final PortMapping portMapping;
58 public NetConfTopologyListener(final NetworkModelService networkModelService, final DataBroker dataBroker,
59 DeviceTransactionManager deviceTransactionManager, PortMapping portMapping) {
60 this.networkModelService = networkModelService;
61 this.dataBroker = dataBroker;
62 this.deviceTransactionManager = deviceTransactionManager;
63 this.registrations = new ConcurrentHashMap<>();
64 this.portMapping = portMapping;
67 public void onDataTreeChanged(@Nonnull Collection<DataTreeModification<Node>> changes) {
68 LOG.info("onDataTreeChanged - {}", this.getClass().getSimpleName());
69 for (DataTreeModification<Node> change : changes) {
70 DataObjectModification<Node> rootNode = change.getRootNode();
71 if (rootNode.getDataBefore() == null) {
74 String nodeId = rootNode.getDataBefore().key().getNodeId().getValue();
75 NetconfNode netconfNodeBefore = rootNode.getDataBefore().augmentation(NetconfNode.class);
76 switch (rootNode.getModificationType()) {
78 if (this.networkModelService.deleteOpenRoadmnode(nodeId)) {
79 onDeviceDisConnected(nodeId);
80 LOG.info("Device {} correctly disconnected from controller", nodeId);
84 NetconfNode netconfNodeAfter = rootNode.getDataAfter().augmentation(NetconfNode.class);
85 if (ConnectionStatus.Connecting.equals(netconfNodeBefore.getConnectionStatus())
86 && ConnectionStatus.Connected.equals(netconfNodeAfter.getConnectionStatus())) {
87 LOG.info("Connecting Node: {}", nodeId);
88 Optional<AvailableCapability> deviceCapabilityOpt = netconfNodeAfter
89 .getAvailableCapabilities().getAvailableCapability().stream()
90 .filter(cp -> cp.getCapability().contains(StringConstants.OPENROADM_DEVICE_MODEL_NAME))
91 .sorted((c1, c2) -> c2.getCapability().compareTo(c1.getCapability()))
93 if (deviceCapabilityOpt.isEmpty()) {
94 LOG.error("Unable to get openroadm-device-capability");
97 this.networkModelService
98 .createOpenRoadmNode(nodeId, deviceCapabilityOpt.get().getCapability());
99 onDeviceConnected(nodeId,deviceCapabilityOpt.get().getCapability());
100 LOG.info("Device {} correctly connected to controller", nodeId);
102 if (ConnectionStatus.Connected.equals(netconfNodeBefore.getConnectionStatus())
103 && ConnectionStatus.Connecting.equals(netconfNodeAfter.getConnectionStatus())) {
104 LOG.warn("Node: {} is being disconnected", nodeId);
108 LOG.debug("Unknown modification type {}", rootNode.getModificationType().name());
114 private void onDeviceConnected(final String nodeId, String openRoadmVersion) {
115 LOG.info("onDeviceConnected: {}", nodeId);
116 Optional<MountPoint> mountPointOpt = this.deviceTransactionManager.getDeviceMountPoint(nodeId);
117 MountPoint mountPoint;
118 if (mountPointOpt.isPresent()) {
119 mountPoint = mountPointOpt.get();
121 LOG.error("Failed to get mount point for node {}", nodeId);
124 final Optional<NotificationService> notificationService = mountPoint.getService(NotificationService.class);
125 if (!notificationService.isPresent()) {
126 LOG.error(RPC_SERVICE_FAILED, nodeId);
129 NodeRegistration nodeRegistration = new NodeRegistration(nodeId, openRoadmVersion,
130 notificationService.get(), this.dataBroker, this.portMapping);
131 nodeRegistration.registerListeners();
132 registrations.put(nodeId, nodeRegistration);
133 String streamName = getSupportedStream(nodeId);
134 LOG.info("Device is supporting notification stream {}",streamName);
135 subscribeStream(mountPoint, streamName, nodeId);
138 private void onDeviceDisConnected(final String nodeId) {
139 LOG.info("onDeviceDisConnected: {}", nodeId);
140 NodeRegistration nodeRegistration = this.registrations.remove(nodeId);
141 nodeRegistration.unregisterListeners();
144 private boolean subscribeStream(MountPoint mountPoint, String streamName, String nodeId) {
145 final Optional<RpcConsumerRegistry> service = mountPoint.getService(RpcConsumerRegistry.class);
146 if (!service.isPresent()) {
149 final NotificationsService rpcService = service.get().getRpcService(NotificationsService.class);
150 if (rpcService == null) {
151 LOG.error(RPC_SERVICE_FAILED, nodeId);
154 final CreateSubscriptionInputBuilder createSubscriptionInputBuilder = new CreateSubscriptionInputBuilder()
155 .setStream(new StreamNameType(streamName));
156 LOG.info("Triggering notification stream {} for node {}", streamName, nodeId);
157 ListenableFuture<RpcResult<CreateSubscriptionOutput>> subscription = rpcService
158 .createSubscription(createSubscriptionInputBuilder.build());
161 } catch (InterruptedException | ExecutionException e) {
162 LOG.error("Error during subscription to stream {}", streamName, e);
168 public NetConfTopologyListener(final NetworkModelService networkModelService, final DataBroker dataBroker,
169 DeviceTransactionManager deviceTransactionManager, PortMapping portMapping,
170 Map<String, NodeRegistration> registrations) {
171 this.networkModelService = networkModelService;
172 this.dataBroker = dataBroker;
173 this.deviceTransactionManager = deviceTransactionManager;
174 this.portMapping = portMapping;
175 this.registrations = registrations;
178 private String getSupportedStream(String nodeId) {
179 InstanceIdentifier<Streams> streamsIID = InstanceIdentifier.create(Netconf.class).child(Streams.class);
180 Optional<Streams> ordmInfoObject =
181 deviceTransactionManager.getDataFromDevice(nodeId, LogicalDatastoreType.OPERATIONAL, streamsIID,
182 Timeouts.DEVICE_READ_TIMEOUT, Timeouts.DEVICE_READ_TIMEOUT_UNIT);
183 if (ordmInfoObject == null || ordmInfoObject.isEmpty() || ordmInfoObject.get().getStream().isEmpty()) {
184 LOG.error("List of streams supports by device is not present");
187 for (Stream strm : ordmInfoObject.get().getStream().values()) {
188 LOG.debug("Streams are {}", strm);
189 if ("OPENROADM".equalsIgnoreCase(strm.getName().getValue())) {
190 return strm.getName().getValue();