// The contents of this file are subject to the Mozilla Public License
// Version 1.1 (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.mozilla.org/MPL/
//
// Software distributed under the License is distributed on an "AS IS"
// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
// the License for the specific language governing rights and
// limitations under the License.
//
// The Original Code is RabbitMQ.
//
// The Initial Developer of the Original Code is VMware, Inc.
// Copyright (c) 2007-2012 VMware, Inc. All rights reserved.
//
package com.rabbitmq.examples;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.ConnectionFactory;
/**
* Test that the tracer correctly handles multiple concurrently processing
* channels. If it doesn't then this code will cause the tracer to break
* and will be disconneted.
*/
public class TracerConcurrencyTest{
public String uri = "amqp://localhost:5673";
public int threadCount = 3;
private final Object lock = new Object();
public static void main(String[] args) throws Exception{
new TracerConcurrencyTest().run();
}
static String EXCHANGE = "tracer-exchange";
static String QUEUE = "tracer-queue";
public void run(){
final Connection conn;
try {
conn = new ConnectionFactory()
{{setUri(uri);}}.newConnection();
Channel setup = conn.createChannel();
setup.exchangeDeclare(EXCHANGE, "direct");
setup.queueDeclare(QUEUE, false, false, false, null);
setup.queueBind(QUEUE,EXCHANGE, "");
setup.close();
} catch(Exception e){
e.printStackTrace();
System.exit(1);
throw null; // placate the compiler
}
for(int i = 0; i < threadCount; i++){
new Thread(){
@Override public void run(){
try {
Channel ch = conn.createChannel();
while(true){
ch.close();
ch = conn.createChannel();
ch.basicPublish(
EXCHANGE,
"", null,
new byte[1024 * 1024]
);
ch.basicGet(QUEUE, true);
}
} catch(Exception e){
synchronized(lock){
e.printStackTrace();
System.err.println();
}
System.exit(1);
}
}
}.start();
}
}
}