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/*-
* ============LICENSE_START=======================================================
* ONAP-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.onap.policy.pdp.rest.notifications;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.security.GeneralSecurityException;
import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;
import java.util.UUID;
import org.onap.policy.common.logging.flexlogger.FlexLogger;
import org.onap.policy.common.logging.flexlogger.Logger;
import org.onap.policy.rest.XACMLRestProperties;
import org.onap.policy.utils.BusConsumer;
import org.onap.policy.utils.BusPublisher;
import org.onap.policy.xacml.api.XACMLErrorConstants;
import com.att.nsa.cambria.client.CambriaClientFactory;
import com.att.nsa.cambria.client.CambriaConsumer;
import com.att.nsa.cambria.client.CambriaPublisher;
import com.att.research.xacml.util.XACMLProperties;
@SuppressWarnings("deprecation")
public class ManualNotificationUpdateThread implements Runnable {
private static final Logger LOGGER = FlexLogger.getLogger(ManualNotificationUpdateThread.class);
private String topic = null;
private CambriaConsumer cConsumer = null;
private static String clusterList = null;
private static String update = null;
private BusConsumer dmaapConsumer = null;
private List<String> dmaapList = null;
private static String propNotificationType = null;
private static String aafLogin = null;
private static String aafPassword = 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;
setPropNotification();
if ("ueb".equals(propNotificationType)) {
try {
setCluster();
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);
}
if (aURL != null) {
String consumerTopic = aURL.getHost() + aURL.getPort() + "UpdateRequest";
sendMessage(consumerTopic, "Starting-Topic");
final LinkedList<String> urlList = new LinkedList<>();
for (String u : clusterList.split(",")) {
urlList.add(u);
}
try {
cConsumer = CambriaClientFactory.createConsumer(null, urlList, consumerTopic, group, id, 20 * 1000,
1000);
} catch (MalformedURLException | GeneralSecurityException e1) {
LOGGER.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + "Unable to create UEB Consumer: ", e1);
}
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" + e);
}
}
LOGGER.debug("Stopping UEB Consumer loop will no longer fetch messages from the cluster");
}
} else if ("dmaap".equals(propNotificationType)) {
String dmaapServers = null;
try {
dmaapServers = XACMLProperties.getProperty(XACMLRestProperties.PROP_NOTIFICATION_SERVERS);
topic = XACMLProperties.getProperty(XACMLRestProperties.PROP_NOTIFICATION_TOPIC);
setAAFCreds();
} catch (Exception e) {
LOGGER.error(XACMLErrorConstants.ERROR_DATA_ISSUE + "Unable to get DMaaP servers list:", e);
this.isRunning = false;
}
if (dmaapServers == null || topic == null) {
LOGGER.error(
XACMLErrorConstants.ERROR_DATA_ISSUE + "DMaaP properties are missing from the property file ");
}
dmaapServers = dmaapServers.trim();
topic = topic.trim();
String consumerTopic = XACMLProperties.getProperty(XACMLRestProperties.PROP_NOTIFICATION_TOPIC).trim();
sendMessage(consumerTopic, "Starting-Topic");
dmaapList = new ArrayList<>();
for (String u : dmaapServers.split(",")) {
dmaapList.add(u);
}
try {
dmaapConsumer = new BusConsumer.DmaapConsumerWrapper(dmaapList, consumerTopic, aafLogin, aafPassword,
group, id, 20 * 1000, 1000);
} catch (Exception e1) {
LOGGER.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + "Unable to create DMaaP Consumer: ", e1);
}
while (this.isRunning()) {
LOGGER.debug("While loop test _ take out ");
try {
for (String msg : dmaapConsumer.fetch()) {
LOGGER.debug("Manual Notification Recieved Message " + msg + " from DMaaP server : ");
returnTopic = processMessage(msg);
if (returnTopic != null) {
sendMessage(returnTopic, update);
}
}
} catch (Exception e) {
LOGGER.error(XACMLErrorConstants.ERROR_DATA_ISSUE + "Error in processing DMaaP message: ", e);
}
}
LOGGER.debug("Stopping DMaaP Consumer loop will no longer fetch messages from the servers");
}
}
private static void setAAFCreds() {
aafLogin = XACMLProperties.getProperty("DMAAP_AAF_LOGIN");
aafPassword = XACMLProperties.getProperty("DMAAP_AAF_PASSWORD");
if (aafLogin != null) {
aafLogin = aafLogin.trim();
}
if (aafPassword != null) {
aafPassword = aafPassword.trim();
}
}
private static void setCluster() {
clusterList = XACMLProperties.getProperty(XACMLRestProperties.PROP_NOTIFICATION_SERVERS);
if (clusterList != null) {
clusterList = clusterList.trim();
}
}
private static void setPropNotification() {
propNotificationType = XACMLProperties.getProperty(XACMLRestProperties.PROP_NOTIFICATION_TYPE);
}
private void sendMessage(String topic, String message) {
CambriaPublisher pub = null;
BusPublisher publisher = null;
try {
if ("ueb".equals(propNotificationType)) {
pub = CambriaClientFactory.createSimplePublisher(null, clusterList, topic);
pub.send("pdpReturnMessage", message);
LOGGER.debug("Sending Message to UEB topic: " + topic);
pub.close();
} else if ("dmaap".equals(propNotificationType)) {
publisher = new BusPublisher.DmaapPublisherWrapper(dmaapList, topic, aafLogin, aafPassword);
publisher.send("pdpReturnMessage", message);
LOGGER.debug("Sending to Message to DMaaP topic: " + topic);
publisher.close();
}
} catch (Exception e) {
LOGGER.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + "Error sending notification update: ", e);
}
if (pub != null) {
try {
pub.send("pdpReturnMessage", message);
LOGGER.debug("Sending to Message to tpoic" + topic);
pub.close();
} catch (IOException e) {
LOGGER.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + "Error sending notification update" + e);
}
}
}
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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