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* Licensed to the Apache Software Foundation (ASF) under one
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* 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.mina.filter.keepalive;
import static org.apache.mina.filter.keepalive.KeepAliveRequestTimeoutHandler.*;
import java.net.InetSocketAddress;
import java.util.concurrent.atomic.AtomicBoolean;
import junit.framework.TestCase;
import org.apache.mina.core.buffer.IoBuffer;
import org.apache.mina.core.future.ConnectFuture;
import org.apache.mina.core.service.IoHandlerAdapter;
import org.apache.mina.core.session.IdleStatus;
import org.apache.mina.core.session.IoSession;
import org.apache.mina.transport.socket.nio.NioSocketAcceptor;
import org.apache.mina.transport.socket.nio.NioSocketConnector;
/**
* Tests {@link KeepAliveFilter} used by the connector with different
* interested {@link IdleStatus}es.
*
* @author The Apache MINA Project (dev@mina.apache.org)
* @version $Rev: 751473 $, $Date: 2009-03-08 18:22:14 +0100 (Sun, 08 Mar 2009) $
*/
public class KeepAliveFilterTest extends TestCase {
// Constants -----------------------------------------------------
private static final IoBuffer PING = IoBuffer.wrap(new byte[] { 1 });
private static final IoBuffer PONG = IoBuffer.wrap(new byte[] { 2 });
private static final int INTERVAL = 2;
private static final int TIMEOUT = 1;
private int port;
private NioSocketAcceptor acceptor;
@Override
protected void setUp() throws Exception {
super.setUp();
acceptor = new NioSocketAcceptor();
KeepAliveMessageFactory factory = new ServerFactory();
KeepAliveFilter filter = new KeepAliveFilter(factory,
IdleStatus.BOTH_IDLE);
acceptor.getFilterChain().addLast("keep-alive", filter);
acceptor.setHandler(new IoHandlerAdapter());
acceptor.setDefaultLocalAddress(new InetSocketAddress(0));
acceptor.bind();
port = acceptor.getLocalAddress().getPort();
}
@Override
protected void tearDown() throws Exception {
acceptor.unbind();
acceptor.dispose();
super.tearDown();
}
public void testKeepAliveFilterForReaderIdle() throws Exception {
keepAliveFilterForIdleStatus(IdleStatus.READER_IDLE);
}
public void testKeepAliveFilterForBothIdle() throws Exception {
keepAliveFilterForIdleStatus(IdleStatus.BOTH_IDLE);
}
public void testKeepAliveFilterForWriterIdle() throws Exception {
keepAliveFilterForIdleStatus(IdleStatus.WRITER_IDLE);
}
// Package protected ---------------------------------------------
// Protected -----------------------------------------------------
// Private -------------------------------------------------------
private void keepAliveFilterForIdleStatus(IdleStatus status)
throws Exception {
NioSocketConnector connector = new NioSocketConnector();
KeepAliveFilter filter = new KeepAliveFilter(new ClientFactory(),
status, EXCEPTION, INTERVAL, TIMEOUT);
filter.setForwardEvent(true);
connector.getFilterChain().addLast("keep-alive", filter);
final AtomicBoolean gotException = new AtomicBoolean(false);
connector.setHandler(new IoHandlerAdapter() {
@Override
public void exceptionCaught(IoSession session, Throwable cause)
throws Exception {
//cause.printStackTrace();
gotException.set(true);
}
@Override
public void sessionIdle(IoSession session, IdleStatus status)
throws Exception {
//System.out.println("client idle:" + status);
}
});
ConnectFuture future = connector.connect(
new InetSocketAddress("127.0.0.1", port)).awaitUninterruptibly();
IoSession session = future.getSession();
assertNotNull(session);
Thread.sleep((INTERVAL + TIMEOUT + 1) * 1000);
assertFalse("got an exception on the client", gotException.get());
session.close(true);
connector.dispose();
}
private static boolean checkRequest(IoBuffer message) {
IoBuffer buff = message;
boolean check = buff.get() == 1;
buff.rewind();
return check;
}
private static boolean checkResponse(IoBuffer message) {
IoBuffer buff = message;
boolean check = buff.get() == 2;
buff.rewind();
return check;
}
// Inner classes -------------------------------------------------
private final class ServerFactory implements KeepAliveMessageFactory {
public Object getRequest(IoSession session) {
return null;
}
public Object getResponse(IoSession session, Object request) {
return PONG.duplicate();
}
public boolean isRequest(IoSession session, Object message) {
if (message instanceof IoBuffer) {
return checkRequest((IoBuffer) message);
}
return false;
}
public boolean isResponse(IoSession session, Object message) {
if (message instanceof IoBuffer) {
return checkResponse((IoBuffer) message);
}
return false;
}
}
private final class ClientFactory implements KeepAliveMessageFactory {
public Object getRequest(IoSession session) {
return PING.duplicate();
}
public Object getResponse(IoSession session, Object request) {
return null;
}
public boolean isRequest(IoSession session, Object message) {
if (message instanceof IoBuffer) {
return checkRequest((IoBuffer) message);
}
return false;
}
public boolean isResponse(IoSession session, Object message) {
if (message instanceof IoBuffer) {
return checkResponse((IoBuffer) message);
}
return false;
}
}
}