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==========================================================================
19 package org.onap.ccsdk.features.sdnr.wt.devicemanager.impl;
21 import java.util.List;
22 import java.util.Optional;
23 import java.util.concurrent.ConcurrentHashMap;
24 import org.eclipse.jdt.annotation.NonNull;
25 import org.onap.ccsdk.features.sdnr.wt.common.HtAssert;
26 import org.onap.ccsdk.features.sdnr.wt.devicemanager.devicemonitor.impl.DeviceMonitor;
27 import org.onap.ccsdk.features.sdnr.wt.devicemanager.eventdatahandler.ODLEventListenerHandler;
28 import org.onap.ccsdk.features.sdnr.wt.devicemanager.ne.factory.NetworkElementFactory;
29 import org.onap.ccsdk.features.sdnr.wt.devicemanager.ne.service.NetworkElement;
30 import org.onap.ccsdk.features.sdnr.wt.devicemanager.service.DeviceManagerServiceProvider;
31 import org.onap.ccsdk.features.sdnr.wt.netconfnodestateservice.NetconfAccessor;
32 import org.onap.ccsdk.features.sdnr.wt.netconfnodestateservice.NetconfNodeConnectListener;
33 import org.onap.ccsdk.features.sdnr.wt.netconfnodestateservice.NetconfNodeStateListener;
34 import org.onap.ccsdk.features.sdnr.wt.netconfnodestateservice.NetconfNodeStateService;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNode;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNodeConnectionStatus.ConnectionStatus;
37 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
38 import org.opendaylight.yangtools.concepts.ListenerRegistration;
39 import org.slf4j.Logger;
40 import org.slf4j.LoggerFactory;
42 public class DeviceManagerNetconfConnectHandler implements NetconfNodeConnectListener, NetconfNodeStateListener {
44 private static final Logger LOG = LoggerFactory.getLogger(DeviceManagerNetconfConnectHandler.class);
46 private final @NonNull ListenerRegistration<DeviceManagerNetconfConnectHandler> registerNetconfNodeConnectListener;
47 private final @NonNull ListenerRegistration<NetconfNodeStateListener> registerNetconfNodeStateListener;
49 private final @NonNull ODLEventListenerHandler odlEventListenerHandler;
50 private final @NonNull DeviceMonitor deviceMonitor;
51 private final @NonNull List<NetworkElementFactory> factoryList;
52 private final @NonNull DeviceManagerServiceProvider serviceProvider;
54 private final Object networkelementLock;
55 private final ConcurrentHashMap<String, NetworkElement> networkElementRepresentations;
57 public DeviceManagerNetconfConnectHandler(@NonNull NetconfNodeStateService netconfNodeStateService,
58 @NonNull ODLEventListenerHandler odlEventListenerHandler, @NonNull DeviceMonitor deviceMonitor,
59 @NonNull DeviceManagerServiceProvider serviceProvider, @NonNull List<NetworkElementFactory> factoryList) {
61 HtAssert.nonnull(netconfNodeStateService, this.odlEventListenerHandler = odlEventListenerHandler,
62 this.deviceMonitor = deviceMonitor, this.serviceProvider = serviceProvider,
63 this.factoryList = factoryList);
65 this.networkelementLock = new Object();
66 this.networkElementRepresentations = new ConcurrentHashMap<>();
68 this.registerNetconfNodeConnectListener = netconfNodeStateService.registerNetconfNodeConnectListener(this);
69 this.registerNetconfNodeStateListener = netconfNodeStateService.registerNetconfNodeStateListener(this);
73 public void onEnterConnected(@NonNull NetconfAccessor acessor) {
74 //@NonNull NodeId nNodeId, @NonNull NetconfNode netconfNode,
75 //@NonNull MountPoint mountPoint, @NonNull DataBroker netconfNodeDataBroker
76 String mountPointNodeName = acessor.getNodeId().getValue();
77 LOG.info("onEnterConnected - starting Event listener on Netconf for mountpoint {}", mountPointNodeName);
79 LOG.info("Master mountpoint {}", mountPointNodeName);
81 // It is master for mountpoint and all data are available.
82 // Make sure that specific mountPointNodeName is handled only once.
83 // be aware that startListenerOnNodeForConnectedState could be called multiple
84 // times for same mountPointNodeName.
85 // networkElementRepresentations contains handled NEs at master node.
87 synchronized (networkelementLock) {
88 if (networkElementRepresentations.containsKey(mountPointNodeName)) {
89 LOG.warn("Mountpoint {} already registered. Leave startup procedure.", mountPointNodeName);
93 // update db with connect status
94 NetconfNode netconfNode = acessor.getNetconfNode();
95 sendUpdateNotification(mountPointNodeName, netconfNode.getConnectionStatus(), netconfNode);
97 for (NetworkElementFactory f : factoryList) {
98 Optional<NetworkElement> optionalNe = f.create(acessor, serviceProvider);
99 if (optionalNe.isPresent()) {
100 // sendUpdateNotification(mountPointNodeName, nNode.getConnectionStatus(), nNode);
101 NetworkElement inNe = optionalNe.get();
102 LOG.info("NE Management for {} with {}", mountPointNodeName, inNe.getClass().getName());
103 putToNetworkElementRepresentations(mountPointNodeName, inNe);
104 deviceMonitor.deviceConnectMasterIndication(mountPointNodeName, inNe);
107 break; // Use the first provided
113 public void onLeaveConnected(@NonNull NodeId nNodeId, @NonNull Optional<NetconfNode> optionalNetconfNode) {
115 LOG.info("onLeaveConnected {}", nNodeId);
116 String mountPointNodeName = nNodeId.getValue();
118 if (optionalNetconfNode.isPresent()) {
119 NetconfNode nNode = optionalNetconfNode.get();
120 ConnectionStatus csts = nNode.getConnectionStatus();
121 sendUpdateNotification(mountPointNodeName, csts, nNode);
124 // Handling if mountpoint exist. connected -> connecting/UnableToConnect
125 stopListenerOnNodeForConnectedState(mountPointNodeName);
126 deviceMonitor.deviceDisconnectIndication(mountPointNodeName);
130 public void onCreated(NodeId nNodeId, NetconfNode netconfNode) {
131 LOG.info("onCreated {}", nNodeId);
132 odlEventListenerHandler.mountpointCreatedIndication(nNodeId.getValue(), netconfNode);
137 public void onStateChange(NodeId nNodeId, NetconfNode netconfNode) {
138 LOG.info("onStateChange {}", nNodeId);
139 odlEventListenerHandler.onStateChangeIndication(nNodeId.getValue(), netconfNode);
143 public void onRemoved(NodeId nNodeId) {
144 String mountPointNodeName = nNodeId.getValue();
145 LOG.info("mountpointNodeRemoved {}", nNodeId.getValue());
147 stopListenerOnNodeForConnectedState(mountPointNodeName);
148 deviceMonitor.removeMountpointIndication(mountPointNodeName);
149 odlEventListenerHandler.deRegistration(mountPointNodeName); //Additional indication for log
153 public void close() {
154 if (registerNetconfNodeConnectListener != null) {
155 registerNetconfNodeConnectListener.close();
157 if (registerNetconfNodeStateListener != null) {
158 registerNetconfNodeStateListener.close();
162 /*--------------------------------------------
167 * Do all tasks necessary to move from mountpoint state connected -> connecting
169 * @param mountPointNodeName provided
170 * @param ne representing the device connected to mountpoint
172 private void stopListenerOnNodeForConnectedState(String mountPointNodeName) {
173 NetworkElement ne = networkElementRepresentations.remove(mountPointNodeName);
179 private void putToNetworkElementRepresentations(String mountPointNodeName, NetworkElement ne) {
180 NetworkElement result;
181 synchronized (networkelementLock) {
182 result = networkElementRepresentations.put(mountPointNodeName, ne);
184 if (result != null) {
185 LOG.warn("NE list was not empty as expected, but contained {} ", result.getNodeId());
187 LOG.debug("refresh necon entry for {} with type {}", mountPointNodeName, ne.getDeviceType());
188 odlEventListenerHandler.connectIndication(mountPointNodeName, ne.getDeviceType());
192 private void sendUpdateNotification(String mountPointNodeName, ConnectionStatus csts, NetconfNode nNode) {
193 LOG.info("update ConnectedState for device :: Name : {} ConnectionStatus {}", mountPointNodeName, csts);
194 odlEventListenerHandler.updateRegistration(mountPointNodeName, ConnectionStatus.class.getSimpleName(),
195 csts != null ? csts.getName() : "null", nNode);