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/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*
*/
package org.apache.qpid.topic;
import javax.jms.*;
public class Publisher implements MessageListener
{
private final Object _lock = new Object();
private final Connection _connection;
private final Session _session;
private final MessageFactory _factory;
private final MessageProducer _publisher;
private int _count;
Publisher(Connection connection, int size, int ackMode, boolean persistent) throws Exception
{
_connection = connection;
_session = _connection.createSession(false, ackMode);
_factory = new MessageFactory(_session, size);
_publisher = _factory.createTopicPublisher();
_publisher.setDeliveryMode(persistent ? DeliveryMode.PERSISTENT : DeliveryMode.NON_PERSISTENT);
System.out.println("Publishing " + (persistent ? "persistent" : "non-persistent") + " messages of " + size + " bytes, " + Config.getAckModeDescription(ackMode) + ".");
}
private void test(Config config) throws Exception
{
test(config.getBatch(), config.getDelay(), config.getMessages(), config.getClients(), config.getWarmup());
}
private void test(int batches, long delay, int msgCount, int consumerCount, int warmup) throws Exception
{
_factory.createControlConsumer().setMessageListener(this);
_connection.start();
if(warmup > 0)
{
System.out.println("Runing warmup (" + warmup + " msgs)");
long time = batch(warmup, consumerCount);
System.out.println("Warmup completed in " + time + "ms");
}
long[] times = new long[batches];
for(int i = 0; i < batches; i++)
{
if(i > 0) Thread.sleep(delay*1000);
times[i] = batch(msgCount, consumerCount);
System.out.println("Batch " + (i+1) + " of " + batches + " completed in " + times[i] + " ms.");
}
long min = min(times);
long max = max(times);
System.out.println("min: " + min + ", max: " + max + " avg: " + avg(times, min, max));
//request shutdown
_publisher.send(_factory.createShutdownMessage());
_connection.stop();
_connection.close();
}
private long batch(int msgCount, int consumerCount) throws Exception
{
_count = consumerCount;
long start = System.currentTimeMillis();
publish(msgCount);
waitForCompletion(consumerCount);
return System.currentTimeMillis() - start;
}
private void publish(int count) throws Exception
{
//send events
for (int i = 0; i < count; i++)
{
_publisher.send(_factory.createEventMessage());
if ((i + 1) % 100 == 0)
{
System.out.println("Sent " + (i + 1) + " messages");
}
}
//request report
_publisher.send(_factory.createReportRequestMessage());
}
private void waitForCompletion(int consumers) throws Exception
{
System.out.println("Waiting for completion...");
synchronized (_lock)
{
while (_count > 0)
{
_lock.wait();
}
}
}
public void onMessage(Message message)
{
System.out.println("Received report " + _factory.getReport(message) + " " + --_count + " remaining");
if (_count == 0)
{
synchronized (_lock)
{
_lock.notify();
}
}
}
static long min(long[] times)
{
long min = times.length > 0 ? times[0] : 0;
for(int i = 0; i < times.length; i++)
{
min = Math.min(min, times[i]);
}
return min;
}
static long max(long[] times)
{
long max = times.length > 0 ? times[0] : 0;
for(int i = 0; i < times.length; i++)
{
max = Math.max(max, times[i]);
}
return max;
}
static long avg(long[] times, long min, long max)
{
long sum = 0;
for(int i = 0; i < times.length; i++)
{
sum += times[i];
}
sum -= min;
sum -= max;
return (sum / (times.length - 2));
}
public static void main(String[] argv) throws Exception
{
Config config = new Config();
config.setOptions(argv);
Connection con = config.createConnection();
int size = config.getPayload();
int ackMode = config.getAckMode();
boolean persistent = config.usePersistentMessages();
new Publisher(con, size, ackMode, persistent).test(config);
}
}
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