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*
* This is free software; you can redistribute it and/or modify it
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* published by the Free Software Foundation; either version 2.1 of
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*
* This software is distributed in the hope that it will be useful,
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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*/
package org.jboss.test.remoting.transport.bisocket.threadpool;
import java.lang.reflect.Field;
import java.net.InetAddress;
import java.net.Socket;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.management.MBeanServer;
import junit.framework.TestCase;
import org.apache.log4j.ConsoleAppender;
import org.apache.log4j.Level;
import org.apache.log4j.Logger;
import org.apache.log4j.PatternLayout;
import org.jboss.logging.XLevel;
import org.jboss.remoting.Client;
import org.jboss.remoting.InvocationRequest;
import org.jboss.remoting.InvokerLocator;
import org.jboss.remoting.ServerInvocationHandler;
import org.jboss.remoting.ServerInvoker;
import org.jboss.remoting.callback.Callback;
import org.jboss.remoting.callback.HandleCallbackException;
import org.jboss.remoting.callback.InvokerCallbackHandler;
import org.jboss.remoting.callback.ServerInvokerCallbackHandler;
import org.jboss.remoting.transport.Connector;
import org.jboss.remoting.transport.PortUtil;
import org.jboss.remoting.transport.bisocket.Bisocket;
import org.jboss.remoting.transport.bisocket.BisocketServerInvoker;
import org.jboss.remoting.transport.socket.LRUPool;
import org.jboss.remoting.transport.socket.ServerThread;
import org.jboss.remoting.transport.socket.SocketServerInvoker;
/**
* Unit test for JBREM-938.
*
* @author <a href="ron.sigal@jboss.com">Ron Sigal</a>
* @version $Revision: 1.1 $
* <p>
* Copyright Mar 22, 2008
* </p>
*/
public class ServerThreadReuseTestCase extends TestCase
{
private static Logger log = Logger.getLogger(ServerThreadReuseTestCase.class);
private static boolean firstTime = true;
protected String host;
protected int port;
protected String locatorURI;
protected InvokerLocator serverLocator;
protected Connector connector;
protected TestInvocationHandler invocationHandler;
public void setUp() throws Exception
{
if (firstTime)
{
firstTime = false;
Logger.getLogger("org.jboss.remoting").setLevel(XLevel.INFO);
Logger.getLogger("org.jboss.test.remoting").setLevel(Level.INFO);
String pattern = "[%d{ABSOLUTE}] [%t] %5p (%F:%L) - %m%n";
PatternLayout layout = new PatternLayout(pattern);
ConsoleAppender consoleAppender = new ConsoleAppender(layout);
Logger.getRootLogger().addAppender(consoleAppender);
}
}
public void tearDown()
{
}
public void testServerThreadReuse() throws Throwable
{
log.info("entering " + getName());
// Start server.
setupServer();
// Create client.
InvokerLocator clientLocator = new InvokerLocator(locatorURI);
HashMap clientConfig = new HashMap();
clientConfig.put(InvokerLocator.FORCE_REMOTE, "true");
addExtraClientConfig(clientConfig);
Client client = new Client(clientLocator, clientConfig);
client.connect();
log.info("client is connected");
// Test connections.
assertEquals("abc", client.invoke("abc"));
log.info("connection is good");
// Add callback handler.
TestCallbackHandler callbackHandler = new TestCallbackHandler();
HashMap metadata = new HashMap();
metadata.put(Bisocket.IS_CALLBACK_SERVER, "true");
client.addListener(callbackHandler, metadata, null, true);
client.invoke("callback");
assertEquals(1, callbackHandler.counter);
log.info("first callback successful");
// Get callback server thread pools.
Set callbackConnectors = client.getCallbackConnectors(callbackHandler);
assertEquals(1, callbackConnectors.size());
Connector callbackConnector = (Connector) callbackConnectors.iterator().next();
BisocketServerInvoker invoker = (BisocketServerInvoker) callbackConnector.getServerInvoker();
Field field = SocketServerInvoker.class.getDeclaredField("threadpool");
field.setAccessible(true);
List threadpool = (List) field.get(invoker);
field = SocketServerInvoker.class.getDeclaredField("clientpool");
field.setAccessible(true);
LRUPool clientpool = (LRUPool) field.get(invoker);
assertEquals(0, threadpool.size());
assertEquals(1, clientpool.size());
// Kill worker thread's socket.
Set clientpoolContents = clientpool.getContents();
ServerThread serverThread1 = (ServerThread) clientpoolContents.iterator().next();
field = ServerThread.class.getDeclaredField("socket");
field.setAccessible(true);
Socket socket = (Socket) field.get(serverThread1);
socket.close();
Thread.sleep(4000);
assertEquals(1, threadpool.size());
assertEquals(0, clientpool.size());
// Make second callback and verify that worker thread gets reused.
client.invoke("callback");
assertEquals(2, callbackHandler.counter);
log.info("second callback successful");
assertEquals(0, threadpool.size());
assertEquals(1, clientpool.size());
clientpoolContents = clientpool.getContents();
ServerThread serverThread2 = (ServerThread) clientpoolContents.iterator().next();
assertEquals(serverThread2, serverThread1);
log.info("ServerThread was reused");
client.removeListener(callbackHandler);
client.disconnect();
shutdownServer();
log.info(getName() + " PASSES");
}
protected String getTransport()
{
return "bisocket";
}
protected void addExtraClientConfig(Map config) {}
protected void addExtraServerConfig(Map config) {}
protected void setupServer() throws Exception
{
host = InetAddress.getLocalHost().getHostAddress();
port = PortUtil.findFreePort(host);
locatorURI = getTransport() + "://" + host + ":" + port;
serverLocator = new InvokerLocator(locatorURI);
log.info("Starting remoting server with locator uri of: " + locatorURI);
HashMap config = new HashMap();
config.put(InvokerLocator.FORCE_REMOTE, "true");
addExtraServerConfig(config);
connector = new Connector(serverLocator, config);
connector.create();
invocationHandler = new TestInvocationHandler();
connector.addInvocationHandler("test", invocationHandler);
connector.start();
}
protected void shutdownServer() throws Exception
{
if (connector != null)
connector.stop();
}
static class TestInvocationHandler implements ServerInvocationHandler
{
HashSet callbackHandlers = new HashSet();
public void addListener(InvokerCallbackHandler callbackHandler)
{
callbackHandlers.add(callbackHandler);
}
public Object invoke(final InvocationRequest invocation) throws Throwable
{
String command = (String) invocation.getParameter();
if ("callback".equals(command))
{
Callback callback = new Callback("callback");
Iterator it = callbackHandlers.iterator();
while (it.hasNext())
{
ServerInvokerCallbackHandler handler;
handler = (ServerInvokerCallbackHandler) it.next();
handler.handleCallback(callback);
}
}
return command;
}
public void removeListener(InvokerCallbackHandler callbackHandler)
{
callbackHandlers.remove(callbackHandler);
}
public void setMBeanServer(MBeanServer server) {}
public void setInvoker(ServerInvoker invoker) {}
}
static class TestCallbackHandler implements InvokerCallbackHandler
{
public int counter;
public void handleCallback(Callback callback) throws HandleCallbackException
{
counter++;
log.info("received callback");
}
}
}