Package org.apache.activemq.transport.failover

Source Code of org.apache.activemq.transport.failover.SlowConnectionTest$MockBroker

/**
* 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.activemq.transport.failover;

import java.io.IOException;
import java.net.*;
import java.util.*;

import javax.jms.Connection;
import javax.net.ServerSocketFactory;

import junit.framework.TestCase;

import org.apache.activemq.ActiveMQConnectionFactory;

public class SlowConnectionTest extends TestCase {
       
    public void testSlowConnection() throws Exception {
       
        int timeout = 1000;
        URI tcpUri = new URI("tcp://localhost:61616?soTimeout=" + timeout + "&trace=true&connectionTimeout=" + timeout + "&wireFormat.maxInactivityDurationInitalDelay=" + timeout);
       
        ActiveMQConnectionFactory cf = new ActiveMQConnectionFactory("failover:(" + tcpUri + ")");
        final Connection connection = cf.createConnection();
       
        MockBroker broker = new MockBroker();
        broker.start();
       
        new Thread(new Runnable() {
            public void run() {
                try { connection.start(); } catch (Throwable ignored) {}
            }
        }).start();
       
        Thread.sleep(timeout * 5);
       
        int count = 0;
        for (Thread thread : Thread.getAllStackTraces().keySet()) {
            if (thread.getName().contains("ActiveMQ Transport")) { count++; }
        }
       
        broker.interrupt();
        broker.join();
       
        assertTrue("Transport count: " + count + ", expected <= 1", count <= 1);       
    }  
   
    class MockBroker extends Thread {
       
        public void run() {
           
            List<Socket> inProgress = new ArrayList<Socket>();
            ServerSocketFactory factory = ServerSocketFactory.getDefault();
            ServerSocket ss = null;
           
            try {
                ss = factory.createServerSocket(61616);
               
                while (!interrupted()) {
                    inProgress.add(ss.accept());    // eat socket
                }
            } catch (Exception e) {
                e.printStackTrace();
            } finally {
                try { ss.close(); } catch (IOException ignored) {}
                for (Socket s : inProgress) {              
                    try { s.close(); } catch (IOException ignored) {}
                }              
            }          
        }
    }
}
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