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/*-
* ============LICENSE_START=======================================================
* ECOMP-PDP-REST
* ================================================================================
* Copyright (C) 2017 AT&T 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.openecomp.policy.pdp.rest.notifications;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.security.GeneralSecurityException;
import java.util.LinkedList;
import java.util.UUID;
import org.openecomp.policy.rest.XACMLRestProperties;
import com.att.nsa.cambria.client.CambriaClientFactory;
import com.att.nsa.cambria.client.CambriaConsumer;
import com.att.nsa.cambria.client.CambriaPublisher;
import org.openecomp.policy.xacml.api.XACMLErrorConstants;
import com.att.research.xacml.util.XACMLProperties;
import org.openecomp.policy.common.logging.flexlogger.*;
public class ManualNotificationUpdateThread implements Runnable {
private static final Logger logger = FlexLogger.getLogger(ManualNotificationUpdateThread.class);
// private static List<String> uebURLList = null;
private static String topic = null;
private static CambriaConsumer CConsumer = null;
// private static Collection<String> clusterList = null;
private static String clusterList = null;
// private Collection<String> urlList = null;
private static String update = null;
public volatile boolean isRunning = false;
public synchronized boolean isRunning() {
return this.isRunning;
}
public synchronized void terminate() {
this.isRunning = false;
}
/**
*
* This is our thread that runs on startup if the system is configured to UEB to accept manual update requests
*
*/
@Override
public void run() {
synchronized(this) {
this.isRunning = true;
}
URL aURL = null;
String group = UUID.randomUUID ().toString ();
String id = "0";
String returnTopic = null;
try {
ManualNotificationUpdateThread.clusterList = XACMLProperties.getProperty(XACMLRestProperties.PROP_NOTIFICATION_UEB_CLUSTER);
String url = XACMLProperties.getProperty(XACMLRestProperties.PROP_PDP_ID);
aURL = new URL(url);
topic = aURL.getHost() + aURL.getPort();
} catch (NumberFormatException e) {
logger.error(XACMLErrorConstants.ERROR_DATA_ISSUE + "Unable to get UEB cluster list or pdp url: ", e);
this.isRunning = false;
} catch (MalformedURLException e) {
logger.error(XACMLErrorConstants.ERROR_DATA_ISSUE + "Error in processing URL to create topic for Notification ", e);
}
String consumerTopic = aURL.getHost() + aURL.getPort() + "UpdateRequest";
SendMessage(consumerTopic, "Starting-Topic");
final LinkedList<String> urlList = new LinkedList<String> ();
for ( String u : clusterList.split ( "," ) ){
urlList.add ( u );
}
try {
CConsumer = CambriaClientFactory.createConsumer ( null, urlList, consumerTopic , group, id, 20*1000, 1000 );
} catch (MalformedURLException | GeneralSecurityException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
while (this.isRunning()) {
logger.debug("While loop test _ take out ");
try {
for ( String msg : CConsumer.fetch () ){
logger.debug("Manual Notification Recieved Message " + msg + " from UEB cluster : ");
returnTopic = processMessage(msg);
if(returnTopic != null){
SendMessage(returnTopic, update);
}
}
} catch (IOException e) {
logger.debug(XACMLErrorConstants.ERROR_DATA_ISSUE + "Error in processing UEB message");
}
}
logger.debug("Stopping UEB Consuer loop will not logger fetch messages from the cluser");
}
private void SendMessage( String topic, String message) {
CambriaPublisher pub = null;
try {
pub = CambriaClientFactory.createSimplePublisher (null, clusterList, topic );
} catch (MalformedURLException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
} catch (GeneralSecurityException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
try {
pub.send( "pdpReturnMessage", message );
logger.debug("Sending to Message to tpoic" + topic);
} catch (IOException e) {
logger.error(XACMLErrorConstants.ERROR_PROCESS_FLOW+ "Error sending notification update");
}
pub.close();
}
private String processMessage(String msg) {
logger.debug("notification message: " + msg);
String[] UID = msg.split("=")[1].split("\"");
String returnTopic = topic + UID[0];
if(msg.contains("Starting-Topic")){
return null;
}
return returnTopic;
}
public static void setUpdate(String update) {
ManualNotificationUpdateThread.update = update;
}
}
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