gerrit.onap Code Review - policy/apex-pdp.git/blob

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
   4  * ================================================================================
   5  * Licensed under the Apache License, Version 2.0 (the "License");
   6  * you may not use this file except in compliance with the License.
   7  * You may obtain a copy of the License at
   8  *
   9  *      http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  *
  17  * SPDX-License-Identifier: Apache-2.0
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.onap.policy.apex.apps.uservice.test.adapt.websocket;
  22
  23 import org.onap.policy.apex.apps.uservice.test.adapt.events.EventGenerator;
  24 import org.onap.policy.apex.core.infrastructure.messaging.MessagingException;
  25 import org.onap.policy.apex.core.infrastructure.messaging.stringmessaging.WsStringMessageListener;
  26 import org.onap.policy.apex.core.infrastructure.messaging.stringmessaging.WsStringMessageServer;
  27 import org.onap.policy.apex.core.infrastructure.threading.ThreadUtilities;
  28
  29 public class WebSocketEventProducerServer implements WsStringMessageListener {
  30     private final int port;
  31     private final int eventCount;
  32     private final boolean xmlEvents;
  33     private final long eventInterval;
  34     private long eventsSentCount = 0;
  35
  36     WsStringMessageServer server;
  37
  38     public WebSocketEventProducerServer(final int port, final int eventCount, final boolean xmlEvents,
  39             final long eventInterval) throws MessagingException {
  40         this.port = port;
  41         this.eventCount = eventCount;
  42         this.xmlEvents = xmlEvents;
  43         this.eventInterval = eventInterval;
  44
  45         server = new WsStringMessageServer(port);
  46         server.start(this);
  47
  48         System.out.println(WebSocketEventProducerServer.class.getCanonicalName() + ": port " + port + ", event count "
  49                 + eventCount + ", xmlEvents " + xmlEvents);
  50     }
  51
  52     public void sendEvents() {
  53         System.out.println(WebSocketEventProducerServer.class.getCanonicalName() + ": sending events on port " + port
  54                 + ", event count " + eventCount + ", xmlEvents " + xmlEvents);
  55
  56         for (int i = 0; i < eventCount; i++) {
  57             System.out.println(WebSocketEventProducerServer.class.getCanonicalName() + ": waiting " + eventInterval
  58                     + " milliseconds before sending next event");
  59             ThreadUtilities.sleep(eventInterval);
  60
  61             String eventString = null;
  62             if (xmlEvents) {
  63                 eventString = EventGenerator.xmlEvent();
  64             } else {
  65                 eventString = EventGenerator.jsonEvent();
  66             }
  67             server.sendString(eventString);
  68             eventsSentCount++;
  69             System.out.println(WebSocketEventProducerServer.class.getCanonicalName() + ": port " + port
  70                     + ", sent event " + eventString);
  71         }
  72
  73         System.out.println(WebSocketEventProducerServer.class.getCanonicalName() + ": event sending completed");
  74     }
  75
  76     public long getEventsSentCount() {
  77         return eventsSentCount;
  78     }
  79
  80     public void shutdown() {
  81         server.stop();
  82         System.out.println(WebSocketEventProducerServer.class.getCanonicalName() + ": stopped");
  83     }
  84
  85     /*
  86      * (non-Javadoc)
  87      *
  88      * @see
  89      * org.onap.policy.apex.core.infrastructure.messaging.stringmessaging.WSStringMessageListener#
  90      * receiveString(java.lang.String)
  91      */
  92     @Override
  93     public void receiveString(final String eventString) {
  94         System.out.println(WebSocketEventProducerServer.class.getCanonicalName() + ": port " + port
  95                 + ", received event " + eventString);
  96     }
  97
  98     public static void main(final String[] args) throws MessagingException {
  99         if (args.length != 4) {
 100             System.err.println("usage WebSocketEventProducerServer port #events XML|JSON eventInterval");
 101             return;
 102         }
 103
 104         int port = 0;
 105         try {
 106             port = Integer.parseInt(args[0]);
 107         } catch (final Exception e) {
 108             System.err.println("usage WebSocketEventProducerServer port #events XML|JSON eventInterval");
 109             e.printStackTrace();
 110             return;
 111         }
 112
 113         int eventCount = 0;
 114         try {
 115             eventCount = Integer.parseInt(args[1]);
 116         } catch (final Exception e) {
 117             System.err.println("usage WebSocketEventProducerServer port #events XML|JSON eventInterval");
 118             e.printStackTrace();
 119             return;
 120         }
 121
 122         long eventInterval = 0;
 123         try {
 124             eventInterval = Long.parseLong(args[3]);
 125         } catch (final Exception e) {
 126             System.err.println("usage WebSocketEventProducerServer port #events XML|JSON eventInterval");
 127             e.printStackTrace();
 128             return;
 129         }
 130
 131         boolean xmlEvents = false;
 132         if (args[2].equalsIgnoreCase("XML")) {
 133             xmlEvents = true;
 134         } else if (!args[2].equalsIgnoreCase("JSON")) {
 135             System.err.println("usage WebSocketEventProducerServer port #events XML|JSON startDelay eventInterval");
 136             return;
 137         }
 138
 139         final WebSocketEventProducerServer server =
 140                 new WebSocketEventProducerServer(port, eventCount, xmlEvents, eventInterval);
 141
 142         server.sendEvents();
 143         server.shutdown();
 144     }
 145 }