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.transportpce.common.StringConstants;
26 import org.opendaylight.transportpce.common.device.DeviceTransactionManager;
27 import org.opendaylight.transportpce.common.mapping.PortMapping;
28 import org.opendaylight.transportpce.networkmodel.dto.NodeRegistration;
29 import org.opendaylight.transportpce.networkmodel.service.NetworkModelService;
30 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.notification._1._0.rev080714.CreateSubscriptionInputBuilder;
31 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.notification._1._0.rev080714.CreateSubscriptionOutput;
32 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.notification._1._0.rev080714.NotificationsService;
33 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.notification._1._0.rev080714.StreamNameType;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNode;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNodeConnectionStatus.ConnectionStatus;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.netconf.node.connection.status.available.capabilities.AvailableCapability;
37 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
38 import org.opendaylight.yangtools.yang.common.RpcResult;
39 import org.slf4j.Logger;
40 import org.slf4j.LoggerFactory;
42 public class NetConfTopologyListener implements DataTreeChangeListener<Node> {
44 private static final Logger LOG = LoggerFactory.getLogger(NetConfTopologyListener.class);
45 private static final String RPC_SERVICE_FAILED = "Failed to get RpcService for node {}";
46 private final NetworkModelService networkModelService;
47 private final DataBroker dataBroker;
48 private final DeviceTransactionManager deviceTransactionManager;
49 private final Map<String, NodeRegistration> registrations;
50 private final PortMapping portMapping;
52 public NetConfTopologyListener(final NetworkModelService networkModelService, final DataBroker dataBroker,
53 DeviceTransactionManager deviceTransactionManager, PortMapping portMapping) {
54 this.networkModelService = networkModelService;
55 this.dataBroker = dataBroker;
56 this.deviceTransactionManager = deviceTransactionManager;
57 this.registrations = new ConcurrentHashMap<>();
58 this.portMapping = portMapping;
61 public void onDataTreeChanged(@Nonnull Collection<DataTreeModification<Node>> changes) {
62 LOG.info("onDataTreeChanged - {}", this.getClass().getSimpleName());
63 for (DataTreeModification<Node> change : changes) {
64 DataObjectModification<Node> rootNode = change.getRootNode();
65 if (rootNode.getDataBefore() == null) {
68 String nodeId = rootNode.getDataBefore().key().getNodeId().getValue();
69 NetconfNode netconfNodeBefore = rootNode.getDataBefore().augmentation(NetconfNode.class);
70 switch (rootNode.getModificationType()) {
72 this.networkModelService.deleteOpenRoadmnode(nodeId);
73 onDeviceDisConnected(nodeId);
74 LOG.info("Device {} correctly disconnected from controller", nodeId);
77 NetconfNode netconfNodeAfter = rootNode.getDataAfter().augmentation(NetconfNode.class);
78 if (ConnectionStatus.Connecting.equals(netconfNodeBefore.getConnectionStatus())
79 && ConnectionStatus.Connected.equals(netconfNodeAfter.getConnectionStatus())) {
80 LOG.info("Connecting Node: {}", nodeId);
81 Optional<AvailableCapability> deviceCapabilityOpt = netconfNodeAfter
82 .getAvailableCapabilities().getAvailableCapability().stream()
83 .filter(cp -> cp.getCapability().contains(StringConstants.OPENROADM_DEVICE_MODEL_NAME))
84 .sorted((c1, c2) -> c2.getCapability().compareTo(c1.getCapability()))
86 if (deviceCapabilityOpt.isEmpty()) {
87 LOG.error("Unable to get openroadm-device-capability");
90 this.networkModelService
91 .createOpenRoadmNode(nodeId, deviceCapabilityOpt.get().getCapability());
92 onDeviceConnected(nodeId,deviceCapabilityOpt.get().getCapability());
93 LOG.info("Device {} correctly connected to controller", nodeId);
95 if (ConnectionStatus.Connected.equals(netconfNodeBefore.getConnectionStatus())
96 && ConnectionStatus.Connecting.equals(netconfNodeAfter.getConnectionStatus())) {
97 LOG.warn("Node: {} is being disconnected", nodeId);
101 LOG.debug("Unknown modification type {}", rootNode.getModificationType().name());
107 private void onDeviceConnected(final String nodeId, String openRoadmVersion) {
108 LOG.info("onDeviceConnected: {}", nodeId);
109 Optional<MountPoint> mountPointOpt = this.deviceTransactionManager.getDeviceMountPoint(nodeId);
110 MountPoint mountPoint;
111 if (mountPointOpt.isPresent()) {
112 mountPoint = mountPointOpt.get();
114 LOG.error("Failed to get mount point for node {}", nodeId);
117 final Optional<NotificationService> notificationService = mountPoint.getService(NotificationService.class);
118 if (!notificationService.isPresent()) {
119 LOG.error(RPC_SERVICE_FAILED, nodeId);
122 NodeRegistration nodeRegistration = new NodeRegistration(nodeId, openRoadmVersion,
123 notificationService.get(), this.dataBroker, this.portMapping);
124 nodeRegistration.registerListeners();
125 registrations.put(nodeId, nodeRegistration);
126 String streamName = "NETCONF";
127 subscribeStream(mountPoint, streamName, nodeId);
130 private void onDeviceDisConnected(final String nodeId) {
131 LOG.info("onDeviceDisConnected: {}", nodeId);
132 NodeRegistration nodeRegistration = this.registrations.remove(nodeId);
133 nodeRegistration.unregisterListeners();
136 private boolean subscribeStream(MountPoint mountPoint, String streamName, String nodeId) {
137 final Optional<RpcConsumerRegistry> service = mountPoint.getService(RpcConsumerRegistry.class);
138 if (!service.isPresent()) {
141 final NotificationsService rpcService = service.get().getRpcService(NotificationsService.class);
142 if (rpcService == null) {
143 LOG.error(RPC_SERVICE_FAILED, nodeId);
146 final CreateSubscriptionInputBuilder createSubscriptionInputBuilder = new CreateSubscriptionInputBuilder()
147 .setStream(new StreamNameType(streamName));
148 LOG.info("Triggering notification stream {} for node {}", streamName, nodeId);
149 ListenableFuture<RpcResult<CreateSubscriptionOutput>> subscription = rpcService
150 .createSubscription(createSubscriptionInputBuilder.build());
153 } catch (InterruptedException | ExecutionException e) {
154 LOG.error("Error during subscription to stream {}", streamName, e);
160 public NetConfTopologyListener(final NetworkModelService networkModelService, final DataBroker dataBroker,
161 DeviceTransactionManager deviceTransactionManager, PortMapping portMapping,
162 Map<String, NodeRegistration> registrations) {
163 this.networkModelService = networkModelService;
164 this.dataBroker = dataBroker;
165 this.deviceTransactionManager = deviceTransactionManager;
166 this.portMapping = portMapping;
167 this.registrations = registrations;