1 /*******************************************************************************
2 * ============LICENSE_START========================================================================
3 * ONAP : ccsdk feature sdnr wt
4 * =================================================================================================
5 * Copyright (C) 2019 highstreet technologies GmbH Intellectual Property. All rights reserved.
6 * =================================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
8 * in compliance with the License. You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software distributed under the License
13 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
14 * or implied. See the License for the specific language governing permissions and limitations under
16 * ============LICENSE_END==========================================================================
17 ******************************************************************************/
18 package org.onap.ccsdk.features.sdnr.wt.devicemanager.impl.listener;
20 import java.util.Collection;
21 import org.onap.ccsdk.features.sdnr.wt.devicemanager.impl.DeviceManagerService;
22 import org.onap.ccsdk.features.sdnr.wt.devicemanager.impl.DeviceManagerService.Action;
23 import org.opendaylight.controller.md.sal.binding.api.ClusteredDataTreeChangeListener;
24 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
25 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification;
26 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification.ModificationType;
27 import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
28 import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
29 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNode;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNodeConnectionStatus.ConnectionStatus;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.network.topology.topology.topology.types.TopologyNetconf;
33 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
34 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
35 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
36 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
37 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
38 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
39 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
40 import org.opendaylight.yangtools.concepts.ListenerRegistration;
41 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
42 import org.slf4j.Logger;
43 import org.slf4j.LoggerFactory;
45 // 07.09.18 Switched to DataTreeChangeListener from ClusteredDataTreeChangeListener -> DM Service is
46 // running at all nodes
47 // This is not correct
48 @SuppressWarnings("deprecation")
49 public class NetconfChangeListener implements ClusteredDataTreeChangeListener<Node>, AutoCloseable {
51 private static final Logger LOG = LoggerFactory.getLogger(NetconfChangeListener.class);
53 private static final InstanceIdentifier<Node> NETCONF_NODE_TOPO_IID =
54 InstanceIdentifier.create(NetworkTopology.class)
55 .child(Topology.class, new TopologyKey(new TopologyId(TopologyNetconf.QNAME.getLocalName())))
57 // Name of ODL controller NETCONF instance
58 private static final String CONTROLLER = "controller-config";
60 private final DeviceManagerService deviceManagerService;
61 private final DataBroker dataBroker;
62 private ListenerRegistration<NetconfChangeListener> dlcReg;
64 public NetconfChangeListener(DeviceManagerService deviceManagerService, DataBroker dataBroker) {
65 this.deviceManagerService = deviceManagerService;
66 this.dataBroker = dataBroker;
69 public void register() {
70 DataTreeIdentifier<Node> treeId = new DataTreeIdentifier<>(LogicalDatastoreType.OPERATIONAL, NETCONF_NODE_TOPO_IID);
72 dlcReg = dataBroker.registerDataTreeChangeListener(treeId, this);
81 /*---------------------------------------------------------------------------
85 public void onDataTreeChanged(Collection<DataTreeModification<Node>> changes) {
86 LOG.debug("OnDataChange, TreeChange, changes:{}", changes.size());
88 for (final DataTreeModification<Node> change : changes) {
89 final DataObjectModification<Node> root = change.getRootNode();
90 final ModificationType modificationType = root.getModificationType();
91 if (LOG.isTraceEnabled()) {
92 LOG.trace("Handle this modificationType:{} path:{} root:{}", modificationType, change.getRootPath(),
95 switch (modificationType) {
96 case SUBTREE_MODIFIED:
97 // Change of subtree information
98 // update(change); OLD
99 doProcessing(Action.UPDATE, root.getDataAfter());
102 // Create or modify top level node
103 // Treat an overwrite as an update
104 boolean update = root.getDataBefore() != null;
107 doProcessing(Action.UPDATE, root.getDataAfter());
110 doProcessing(Action.CREATE, root.getDataAfter());
116 doProcessing(Action.REMOVE, root.getDataBefore());
123 * ---------------------------------------------------------------- Functions to select the right
124 * node from DataObjectModification
128 * Process event and forward to clients
131 * @param node Basis node
133 private void doProcessing(Action action, Node node) {
135 NodeId nodeId = null;
136 NetconfNode nnode = null;
137 NodeKey nodeKey = null;
141 if ((nodeKey = node.key()) != null) {
142 nodeId = nodeKey.getNodeId();
144 nnode = node.augmentation(NetconfNode.class);
147 if (node == null || nnode == null || nodeId == null || nodeKey == null) {
148 LOG.warn("Unexpected node {}, netconf node {} or key {} or id {}", node, nnode, nodeKey, nodeId);
151 String nodeIdString = nodeId.getValue();
152 ConnectionStatus csts = nnode.getConnectionStatus();
153 LOG.debug("NETCONF Node processing with id {} action {} status {} cluster status {}", nodeIdString,
154 action, csts, nnode.getClusteredConnectionStatus());
156 // Do not forward any controller related events to devicemanager
157 if (nodeIdString.equals(CONTROLLER)) {
158 LOG.debug("Stop processing for [{}]", nodeIdString);
160 // Action forwarded to devicehandler
161 deviceManagerService.netconfChangeHandler(action, csts, nodeId, nnode);
164 } catch (NullPointerException e) {
165 LOG.warn("Unexpected null .. stop processing.", e);