PolicyEngineAPI/src/main/java/org/onap/policy/std/ManualClientEndUEB.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * PolicyEngineAPI
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.onap.policy.std;
  22
  23 import java.io.IOException;
  24 import java.net.MalformedURLException;
  25 import java.net.URL;
  26 import java.util.List;
  27
  28 import org.json.JSONObject;
  29 import org.onap.policy.api.NotificationScheme;
  30 import org.onap.policy.api.NotificationType;
  31 import org.onap.policy.api.PDPNotification;
  32 import org.onap.policy.common.logging.flexlogger.FlexLogger;
  33 import org.onap.policy.common.logging.flexlogger.Logger;
  34
  35 import com.att.nsa.cambria.client.CambriaClientFactory;
  36 import com.att.nsa.cambria.client.CambriaConsumer;
  37 import com.att.nsa.cambria.client.CambriaPublisher;
  38
  39
  40 @SuppressWarnings("deprecation")
  41 public class ManualClientEndUEB {
  42         private static StdPDPNotification notification = null;
  43         private static String resultJson = null;
  44         private static Logger logger = FlexLogger.getLogger(ManualClientEndUEB.class.getName());
  45         private static CambriaConsumer CConsumer = null;
  46         @SuppressWarnings("unused")
  47         private static List<String> uebURLList = null;
  48         @SuppressWarnings("unused")
  49         private static boolean messageNotReceived = false;
  50         @SuppressWarnings("unused")
  51         private static String url = null;
  52         private static String uniquID = null;
  53         private static String topic = null;
  54
  55         private ManualClientEndUEB() {
  56                 // Empty constructor
  57         }
  58
  59         public static PDPNotification result(NotificationScheme scheme) {
  60                 if (resultJson == null || notification == null) {
  61                         logger.debug("No Result" );
  62                         return null;
  63                 }
  64                 if(scheme.equals(NotificationScheme.MANUAL_ALL_NOTIFICATIONS)) {
  65                         boolean removed = false;
  66                         boolean updated = false;
  67                         if(notification.getRemovedPolicies()!=null && !notification.getRemovedPolicies().isEmpty()){
  68                                 removed = true;
  69                         }
  70                         if(notification.getLoadedPolicies()!=null && !notification.getLoadedPolicies().isEmpty()){
  71                                 updated = true;
  72                         }
  73                         if(removed && updated) {
  74                                 notification.setNotificationType(NotificationType.BOTH);
  75                         }else if(removed){
  76                                 notification.setNotificationType(NotificationType.REMOVE);
  77                         }else if(updated){
  78                                 notification.setNotificationType(NotificationType.UPDATE);
  79                         }
  80                         return notification;
  81                 }else if(scheme.equals(NotificationScheme.MANUAL_NOTIFICATIONS)) {
  82                         return MatchStore.checkMatch(notification);
  83                 }
  84                 return null;
  85         }
  86
  87         private static void publishMessage(String pubTopic, String uniqueID , List<String> uebURLList) {
  88
  89                 String UEBlist = uebURLList.toString();
  90                 UEBlist = UEBlist.substring(1,UEBlist.length()-1);
  91         CambriaPublisher pub = null;
  92                 try {
  93                         pub = CambriaClientFactory.createSimplePublisher(null, UEBlist, pubTopic);
  94                 } catch (Exception e1) {
  95                         logger.error("Exception Occured"+e1);
  96                 }
  97         final JSONObject msg1 = new JSONObject ();
  98
  99         msg1.put ( "JSON", "UEB Update Ruest UID=" + uniqueID);
 100         if(pub != null){
 101                  try {
 102                         pub.send ( "MyPartitionKey", msg1.toString () );
 103                         pub.close ();
 104                 } catch (IOException e) {
 105                         logger.error("Exception Occured"+e);
 106                 }
 107         }
 108         }
 109
 110         public static void createTopic (String url, String uniquID, List<String> uebURLList){
 111                 URL aURL;
 112                 try {
 113                         aURL = new URL(url);
 114                         topic = aURL.getHost() + aURL.getPort();
 115                 } catch (MalformedURLException e) {
 116                         topic = url.replace("[:/]", "");
 117                 }
 118
 119                 publishMessage(topic+ uniquID , uniquID, uebURLList);
 120
 121         }
 122         public static void start(String url, List<String> uebURLList,
 123                         String uniqueID) {
 124                 ManualClientEndUEB.uebURLList  = uebURLList;
 125                 ManualClientEndUEB.url = url;
 126                 ManualClientEndUEB.uniquID = uniqueID;
 127                 URL aURL;
 128                 try {
 129                         aURL = new URL(url);
 130                         ManualClientEndUEB.topic = aURL.getHost() + aURL.getPort();
 131                 } catch (MalformedURLException e) {
 132                         ManualClientEndUEB.topic = url.replace("[:/]", "");
 133                 }
 134                 String id = "0";
 135                 try {
 136                         CConsumer = CambriaClientFactory.createConsumer ( null, uebURLList, topic + uniquID, "clientGroup", id, 15*1000, 1000 );
 137                 } catch (Exception e1) {
 138                         logger.error("Exception Occured"+e1);
 139                 }
 140                 int count = 1;
 141                 while (count < 4) {
 142                                 publishMessage(topic + "UpdateRequest", uniquID, uebURLList);
 143                                 try {
 144                                         for ( String msg : CConsumer.fetch () )
 145                                         {
 146
 147                                                 logger.debug("Manual Notification Recieved Message " + msg + " from UEB cluster : " + uebURLList.toString());
 148                                                 resultJson = msg;
 149                                                 if (!msg.contains("UEB Update")){
 150                                                         notification = NotificationUnMarshal.notificationJSON(msg);
 151                                                         count = 4;
 152                                                 }
 153                                         }
 154                                 }catch (Exception e) {
 155                                         logger.error("Error in Manual CLient UEB notification ", e);
 156                                 }
 157                                 count++;
 158                         }
 159         }
 160
 161 }