--- /dev/null
+/*-
+ * ============LICENSE_START=======================================================
+ * PolicyEngineAPI
+ * ================================================================================
+ * 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.std;
+
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.List;
+import java.util.UUID;
+
+import org.onap.policy.api.NotificationHandler;
+import org.onap.policy.api.NotificationScheme;
+import org.onap.policy.api.NotificationType;
+import org.onap.policy.api.PDPNotification;
+import org.onap.policy.common.logging.flexlogger.FlexLogger;
+import org.onap.policy.common.logging.flexlogger.Logger;
+import org.onap.policy.xacml.api.XACMLErrorConstants;
+
+import com.att.nsa.cambria.client.CambriaClientBuilders;
+import com.att.nsa.cambria.client.CambriaClientBuilders.ConsumerBuilder;
+import com.att.nsa.cambria.client.CambriaConsumer;
+/**
+ * Create a UEB Consumer to receive policy update notification.
+ *
+ *
+ *
+ */
+public class AutoClientUEB implements Runnable {
+ private static StdPDPNotification notification = null;
+ private static NotificationScheme scheme = null;
+ private static NotificationHandler handler = null;
+ private static String topic = null;
+ private static String url = null;
+ private static boolean status = false;
+ private static Logger logger = FlexLogger.getLogger(AutoClientUEB.class.getName());
+ private static String notficatioinType = null;
+ private static CambriaConsumer CConsumer = null;
+ private static String apiKey = null;
+ private static String apiSecret = null;
+ private static List<String> uebURLList = null;
+ public volatile boolean isRunning = false;
+
+
+ public AutoClientUEB(String url, List<String> uebURLList, String apiKey, String apiSecret) {
+ AutoClientUEB.url = url;
+ AutoClientUEB.uebURLList = uebURLList;
+ AutoClientUEB.apiKey = apiKey;
+ AutoClientUEB.apiKey = apiKey;
+ }
+
+ public void setAuto(NotificationScheme scheme,
+ NotificationHandler handler) {
+ AutoClientUEB.scheme = scheme;
+ AutoClientUEB.handler = handler;
+ }
+
+ public static void setScheme(NotificationScheme scheme) {
+ AutoClientUEB.scheme = scheme;
+ }
+
+ public static boolean getStatus(){
+ return AutoClientUEB.status;
+ }
+
+ public static String getURL() {
+ return AutoClientUEB.url;
+ }
+
+ public static String getNotficationType(){
+ return AutoClientUEB.notficatioinType;
+ }
+
+ public synchronized boolean isRunning() {
+ return this.isRunning;
+ }
+
+ public synchronized void terminate() {
+ this.isRunning = false;
+ }
+
+ @Override
+ public void run() {
+ synchronized(this) {
+ this.isRunning = true;
+ }
+ String group = UUID.randomUUID ().toString ();
+ String id = "0";
+ //String topic = null;
+ // Stop and Start needs to be done.
+ if (scheme != null && handler!=null) {
+ if (scheme.equals(NotificationScheme.AUTO_ALL_NOTIFICATIONS) || scheme.equals(NotificationScheme.AUTO_NOTIFICATIONS)) {
+ URL aURL;
+ try {
+ aURL = new URL(AutoClientUEB.topic);
+ topic = aURL.getHost() + aURL.getPort();
+ } catch (MalformedURLException e) {
+ topic = AutoClientUEB.url.replace("[:/]", "");
+ }
+
+ try {
+ //CConsumer = CambriaClientFactory.createConsumer ( null, uebURLList, topic, group, id, 15*1000, 1000 );
+ ConsumerBuilder builder = new CambriaClientBuilders.ConsumerBuilder();
+ builder.knownAs(group, id)
+ .usingHosts(uebURLList)
+ .onTopic(topic)
+ .waitAtServer(15*1000)
+ .receivingAtMost(1000)
+ .authenticatedBy(apiKey, apiSecret);
+
+ CConsumer = builder.build();
+
+ } catch (Exception e1) {
+ logger.error("Exception Occured" + e1);
+ }
+ while (this.isRunning() )
+ {
+ try {
+ for ( String msg : CConsumer.fetch () )
+ {
+ logger.debug("Auto Notification Recieved Message " + msg + " from UEB cluster : " + uebURLList.toString());
+ notification = NotificationUnMarshal.notificationJSON(msg);
+ callHandler();
+ }
+ } catch (Exception e) {
+ logger.debug(XACMLErrorConstants.ERROR_SYSTEM_ERROR + "Error in processing UEB message" + e.getMessage());
+ }
+
+ }
+ logger.debug("Stopping UEB Consumer loop will not logger fetch messages from the cluster");
+ }
+ }
+ }
+
+ private static void callHandler() {
+ if (handler != null && scheme != null) {
+ if (scheme.equals(NotificationScheme.AUTO_ALL_NOTIFICATIONS)) {
+ boolean removed = false, updated = false;
+ if (notification.getRemovedPolicies() != null && !notification.getRemovedPolicies().isEmpty()) {
+ removed = true;
+ }
+ if (notification.getLoadedPolicies() != null && !notification.getLoadedPolicies().isEmpty()) {
+ updated = true;
+ }
+ if (removed && updated) {
+ notification.setNotificationType(NotificationType.BOTH);
+ } else if (removed) {
+ notification.setNotificationType(NotificationType.REMOVE);
+ } else if (updated) {
+ notification.setNotificationType(NotificationType.UPDATE);
+ }
+ handler.notificationReceived(notification);
+ } else if (scheme.equals(NotificationScheme.AUTO_NOTIFICATIONS)) {
+ PDPNotification newNotification = MatchStore.checkMatch(notification);
+ if (newNotification.getNotificationType() != null) {
+ handler.notificationReceived(newNotification);
+ }
+ }
+ }
+ }
+
+}
Code Review / policy / engine.git / blobdiff