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/*
* ============LICENSE_START========================================================================
* ONAP : ccsdk feature sdnr wt
* =================================================================================================
* Copyright (C) 2019 highstreet technologies GmbH Intellectual Property. All rights reserved.
* =================================================================================================
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
* ============LICENSE_END==========================================================================
*/
package org.onap.ccsdk.features.sdnr.wt.websocketmanager;
import java.time.Instant;
import javax.servlet.ServletException;
import org.onap.ccsdk.features.sdnr.wt.websocketmanager.model.WebsocketManagerService;
import org.onap.ccsdk.features.sdnr.wt.websocketmanager.model.data.DOMNotificationOutput;
import org.onap.ccsdk.features.sdnr.wt.websocketmanager.model.data.NotificationOutput;
import org.onap.ccsdk.features.sdnr.wt.yang.mapper.YangToolsMapperHelper;
import org.opendaylight.mdsal.dom.api.DOMNotification;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.DateAndTime;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
import org.opendaylight.yangtools.yang.binding.Notification;
import org.opendaylight.yangtools.yang.common.QName;
import org.osgi.service.http.HttpService;
import org.osgi.service.http.NamespaceException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class WebSocketManagerProvider implements WebsocketManagerService, AutoCloseable {
private static final Logger LOG = LoggerFactory.getLogger(WebSocketManagerProvider.class);
private static final String APPLICATION_NAME = WebSocketManagerProvider.class.getName();
private static final String ALIAS = "/websocket";
private WebSocketManager wsServlet = null;
public WebSocketManagerProvider() {
LOG.info("Creating provider for {}", APPLICATION_NAME);
}
public void init() {
LOG.info("Init provider for {}", APPLICATION_NAME);
}
@Override
public void close() throws Exception {
LOG.info("Close provider for {}", APPLICATION_NAME);
}
public void onUnbindService(HttpService httpService) {
httpService.unregister(ALIAS);
wsServlet = null;
}
public void onBindService(HttpService httpService) throws ServletException, NamespaceException {
if (httpService == null) {
LOG.warn("Unable to inject HttpService into DluxLoader. dlux modules won't work without httpService");
} else {
if (wsServlet == null) {
wsServlet = new WebSocketManager();
httpService.registerServlet(ALIAS, wsServlet, null, null);
LOG.info("websocket servlet registered.");
} else {
LOG.warn("Servelt ");
}
}
}
public WebSocketManager getWsServlet() {
return wsServlet;
}
public void setWsServlet(WebSocketManager wsServlet) {
this.wsServlet = wsServlet;
}
public static boolean assertNotificationType(Notification notification, QName eventType) {
final String yangTypeName = eventType.getLocalName();
final Class<?> cls = notification.getClass();
final String clsNameToTest = YangToolsMapperHelper.toCamelCaseClassName(yangTypeName);
if (cls.getSimpleName().equals(clsNameToTest)) {
return true;
}
Class<?>[] ifs = cls.getInterfaces();
for (Class<?> clsif : ifs) {
if (clsif.getSimpleName().equals(clsNameToTest)) {
return true;
}
}
return false;
}
@Override
public void sendNotification(Notification notification, NodeId nodeId, QName eventType) {
if (!assertNotificationType(notification, eventType)) {
return;
}
this.sendNotification(notification, nodeId, eventType,
YangToolsMapperHelper.getTime(notification, Instant.now()));
}
@Override
public void sendNotification(Notification notification, NodeId nodeId, QName eventType, DateAndTime eventTime) {
WebSocketManagerSocket.broadCast(new NotificationOutput(notification, nodeId.getValue(), eventType, eventTime));
}
@Override
public void sendNotification(DOMNotification notification, NodeId nodeId, QName eventType) {
WebSocketManagerSocket.broadCast(new DOMNotificationOutput(notification, nodeId.getValue(), eventType,
YangToolsMapperHelper.getTime(notification, Instant.now())));
}
@Override
public void sendNotification(DOMNotification notification, NodeId nodeId, QName eventType, DateAndTime eventTime) {
WebSocketManagerSocket
.broadCast(new DOMNotificationOutput(notification, nodeId.getValue(), eventType, eventTime));
}
}
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