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* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* 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;
import java.lang.reflect.Field;
import java.net.InetAddress;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedList;
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.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.BisocketServerInvoker;
import org.jboss.remoting.transport.socket.MicroSocketClientInvoker;
/**
* Unit test for JBREM-767.
*
* @author <a href="ron.sigal@jboss.com">Ron Sigal</a>
* @version $Revision: 2591 $
* <p>
* Copyright Aug 4, 2007
* </p>
*/
public class CallbackDisconnectTestCase extends TestCase
{
public static int port;
private static Logger log = Logger.getLogger(CallbackDisconnectTestCase.class);
private static final String CALLBACK_TEST = "callbackTest";
private static boolean firstTime = true;
// remoting server connector
private Connector connector;
private InvokerLocator serverLocator;
private TestInvocationHandler invocationHandler;
/**
* Sets up target remoting server.
*/
public void setUp() throws Exception
{
if (firstTime)
{
firstTime = false;
Logger.getLogger("org.jboss.remoting").setLevel(Level.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()
{
}
/**
* Verifies that BisocketClientInvoker.handleDisconnect() wakes up any threads
* blocked in BisocketClientInvoker.createSocket().
*/
public void testWakeupsInHandleDisconnect() throws Throwable
{
log.info("entering " + getName());
// Start server.
String host = InetAddress.getLocalHost().getHostAddress();
port = PortUtil.findFreePort(host);
String 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");
config.put("timeout", "0");
addExtraServerConfig(config);
connector = new Connector(serverLocator, config);
connector.create();
invocationHandler = new TestInvocationHandler();
connector.addInvocationHandler("sample", invocationHandler);
connector.start();
// Create client.
HashMap clientConfig = new HashMap();
clientConfig.put(InvokerLocator.FORCE_REMOTE, "true");
addExtraClientConfig(clientConfig);
final Client client = new Client(serverLocator, clientConfig);
client.connect();
assertEquals("abc", client.invoke("abc"));
log.info("client is connected");
// Add callback handler.
TestInvokerCallbackHandler callbackHandler = new TestInvokerCallbackHandler();
client.addListener(callbackHandler, new HashMap());
client.invoke(CALLBACK_TEST);
assertEquals(1, callbackHandler.counter);
log.info("callback handler is installed");
// Remove existing connections for callback clients.
ServerInvoker serverInvoker = connector.getServerInvoker();
Field field = ServerInvoker.class.getDeclaredField("callbackHandlers");
field.setAccessible(true);
Map callbackHandlers = (Map) field.get(serverInvoker);
assertEquals(1, callbackHandlers.size());
ServerInvokerCallbackHandler serverInvokerCallbackHandler;
serverInvokerCallbackHandler = (ServerInvokerCallbackHandler) callbackHandlers.values().iterator().next();
Client callbackClient = serverInvokerCallbackHandler.getCallbackClient();
assertTrue(callbackClient.getInvoker() instanceof MicroSocketClientInvoker);
MicroSocketClientInvoker callbackClientInvoker = (MicroSocketClientInvoker) callbackClient.getInvoker();
field = MicroSocketClientInvoker.class.getDeclaredField("pool");
field.setAccessible(true);
LinkedList pool = (LinkedList) field.get(callbackClientInvoker);
assertEquals(1, pool.size());
pool.clear();
// Prevent creation of new connections for callback clients.
field = Client.class.getDeclaredField("callbackConnectors");
field.setAccessible(true);
Map callbackConnectors = (Map) field.get(client);
assertEquals(1, callbackConnectors.size());
Set callbackConnectorSet = (Set) callbackConnectors.values().iterator().next();
assertEquals(1, callbackConnectorSet.size());
Connector callbackConnector = (Connector) callbackConnectorSet.iterator().next();
assertTrue(callbackConnector.getServerInvoker() instanceof BisocketServerInvoker);
BisocketServerInvoker callbackServerInvoker = (BisocketServerInvoker) callbackConnector.getServerInvoker();
field = BisocketServerInvoker.class.getDeclaredField("controlConnectionThreadMap");
field.setAccessible(true);
Map controlConnectionThreadMap = (Map) field.get(callbackServerInvoker);
assertEquals(1, controlConnectionThreadMap.size());
Thread controlConnectionThread = (Thread) controlConnectionThreadMap.values().iterator().next();
controlConnectionThread.stop();
// Verify that the call to sockets.wait() in BisocketClientInvoker will
// wake up, even though the timeout value is set to 0.
class TestThread extends Thread
{
public boolean done;
public Throwable throwable;
public void run()
{
try
{
log.info("calling client.invoke(CALLBACK_TEST)");
client.invoke(CALLBACK_TEST);
log.info("called client.invoke(CALLBACK_TEST)");
}
catch (Throwable t)
{
log.info("TestThread got expected exception: " + t.getMessage());
throwable = t;
}
done = true;
}
}
TestThread testThread = new TestThread();
testThread.start();
Thread.sleep(2000);
callbackClient.disconnect();
Thread.sleep(2000);
assertTrue(testThread.done);
assertNotNull(testThread.throwable);
assertEquals("Error handling callback", testThread.throwable.getMessage());
client.removeListener(callbackHandler);
client.disconnect();
connector.stop();
}
protected String getTransport()
{
return "bisocket";
}
protected void addExtraClientConfig(Map config) {}
protected void addExtraServerConfig(Map config) {}
static class TestInvocationHandler implements ServerInvocationHandler
{
public Set listeners = new HashSet();
public void addListener(InvokerCallbackHandler callbackHandler)
{
listeners.add(callbackHandler);
}
public Object invoke(final InvocationRequest invocation) throws Throwable
{
if (CALLBACK_TEST.equals(invocation.getParameter()))
{
Iterator it = listeners.iterator();
while (it.hasNext())
{
InvokerCallbackHandler handler = (InvokerCallbackHandler) it.next();
handler.handleCallback(new Callback("test"));
}
}
return invocation.getParameter();
}
public void removeListener(InvokerCallbackHandler callbackHandler) {}
public void setMBeanServer(MBeanServer server) {}
public void setInvoker(ServerInvoker invoker) {}
}
static class TestInvokerCallbackHandler implements InvokerCallbackHandler
{
public int counter;
public void handleCallback(Callback callback) throws HandleCallbackException
{
counter++;
}
}
}