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
  56         public static PDPNotification result(NotificationScheme scheme) {
  57                 if (resultJson == null || notification == null) {
  58                         logger.debug("No Result" );
  59                         return null;
  60                 } else {
  61                         if(scheme.equals(NotificationScheme.MANUAL_ALL_NOTIFICATIONS)) {
  62                                 boolean removed = false, updated = false;
  63                                 if(notification.getRemovedPolicies()!=null && !notification.getRemovedPolicies().isEmpty()){
  64                                         removed = true;
  65                                 }
  66                                 if(notification.getLoadedPolicies()!=null && !notification.getLoadedPolicies().isEmpty()){
  67                                         updated = true;
  68                                 }
  69                                 if(removed && updated) {
  70                                         notification.setNotificationType(NotificationType.BOTH);
  71                                 }else if(removed){
  72                                         notification.setNotificationType(NotificationType.REMOVE);
  73                                 }else if(updated){
  74                                         notification.setNotificationType(NotificationType.UPDATE);
  75                                 }
  76                                 return notification;
  77                         }else if(scheme.equals(NotificationScheme.MANUAL_NOTIFICATIONS)) {
  78                                 return MatchStore.checkMatch(notification);
  79                         }else {
  80                                 return null;
  81                         }
  82                 }
  83         }
  84
  85         private static void publishMessage(String pubTopic, String uniqueID , List<String> uebURLList) {
  86
  87                 String UEBlist = uebURLList.toString();
  88                 UEBlist = UEBlist.substring(1,UEBlist.length()-1);
  89         CambriaPublisher pub = null;
  90                 try {
  91                         pub = CambriaClientFactory.createSimplePublisher(null, UEBlist, pubTopic);
  92                 } catch (Exception e1) {
  93                         logger.error("Exception Occured"+e1);
  94                 }
  95         final JSONObject msg1 = new JSONObject ();
  96
  97         msg1.put ( "JSON", "UEB Update Ruest UID=" + uniqueID);
  98         if(pub != null){
  99                  try {
 100                         pub.send ( "MyPartitionKey", msg1.toString () );
 101                         pub.close ();
 102                 } catch (IOException e) {
 103                         logger.error("Exception Occured"+e);
 104                 }
 105         }
 106         }
 107
 108         public static void createTopic (String url, String uniquID, List<String> uebURLList){
 109                 URL aURL;
 110                 try {
 111                         aURL = new URL(url);
 112                         topic = aURL.getHost() + aURL.getPort();
 113                 } catch (MalformedURLException e) {
 114                         topic = url.replace("[:/]", "");
 115                 }
 116
 117                 publishMessage(topic+ uniquID , uniquID, uebURLList);
 118
 119         }
 120         public static void start(String url, List<String> uebURLList,
 121                         String uniqueID) {
 122                 ManualClientEndUEB.uebURLList  = uebURLList;
 123                 ManualClientEndUEB.url = url;
 124                 ManualClientEndUEB.uniquID = uniqueID;
 125                 URL aURL;
 126                 try {
 127                         aURL = new URL(url);
 128                         ManualClientEndUEB.topic = aURL.getHost() + aURL.getPort();
 129                 } catch (MalformedURLException e) {
 130                         ManualClientEndUEB.topic = url.replace("[:/]", "");
 131                 }
 132                 String id = "0";
 133                 try {
 134                         CConsumer = CambriaClientFactory.createConsumer ( null, uebURLList, topic + uniquID, "clientGroup", id, 15*1000, 1000 );
 135                 } catch (Exception e1) {
 136                         logger.error("Exception Occured"+e1);
 137                 }
 138                 int count = 1;
 139                 while (count < 4) {
 140                                 publishMessage(topic + "UpdateRequest", uniquID, uebURLList);
 141                                 try {
 142                                         for ( String msg : CConsumer.fetch () )
 143                                         {
 144
 145                                                 logger.debug("Manual Notification Recieved Message " + msg + " from UEB cluster : " + uebURLList.toString());
 146                                                 resultJson = msg;
 147                                                 if (!msg.contains("UEB Update")){
 148                                                         notification = NotificationUnMarshal.notificationJSON(msg);
 149                                                         count = 4;
 150                                                 }
 151                                         }
 152                                 }catch (Exception e) {
 153                                         logger.error("Error in Manual CLient UEB notification ", e);
 154                                 }
 155                                 count++;
 156                         }
 157         }
 158
 159 }