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* 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.mina.example.echoserver;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.SocketAddress;
import java.security.GeneralSecurityException;
import junit.framework.TestCase;
import org.apache.mina.core.buffer.IoBuffer;
import org.apache.mina.core.service.IoAcceptor;
import org.apache.mina.core.session.IoSession;
import org.apache.mina.example.echoserver.ssl.BogusSslContextFactory;
import org.apache.mina.filter.ssl.SslFilter;
import org.apache.mina.transport.socket.DatagramSessionConfig;
import org.apache.mina.transport.socket.nio.NioDatagramAcceptor;
import org.apache.mina.transport.socket.nio.NioSocketAcceptor;
import org.apache.mina.util.AvailablePortFinder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Tests echo server example.
*
* @author The Apache MINA Project (dev@mina.apache.org)
* @version $Rev:448075 $, $Date:2006-09-20 05:26:53Z $
*/
public abstract class AbstractTest extends TestCase {
private final Logger logger = LoggerFactory.getLogger(getClass());
protected boolean useSSL;
protected int port;
protected SocketAddress boundAddress;
protected IoAcceptor datagramAcceptor;
protected IoAcceptor socketAcceptor;
protected AbstractTest() {
}
protected static void assertEquals(byte[] expected, byte[] actual) {
assertEquals(toString(expected), toString(actual));
}
protected static void assertEquals(IoBuffer expected, IoBuffer actual) {
assertEquals(toString(expected), toString(actual));
}
protected static String toString(byte[] buf) {
StringBuilder str = new StringBuilder(buf.length * 4);
for (byte element : buf) {
str.append(element);
str.append(' ');
}
return str.toString();
}
protected static String toString(IoBuffer buf) {
return buf.getHexDump();
}
@Override
protected void setUp() throws Exception {
// Disable SSL by default
useSSL = false;
boundAddress = null;
datagramAcceptor = new NioDatagramAcceptor();
socketAcceptor = new NioSocketAcceptor();
((DatagramSessionConfig) datagramAcceptor.getSessionConfig())
.setReuseAddress(true);
((NioSocketAcceptor) socketAcceptor).setReuseAddress(true);
// Find an available test port and bind to it.
boolean socketBound = false;
boolean datagramBound = false;
// Let's start from port #1 to detect possible resource leak
// because test will fail in port 1-1023 if user run this test
// as a normal user.
SocketAddress address = null;
// Find the first available port above 1024
port = AvailablePortFinder.getNextAvailable(1024);
socketBound = false;
datagramBound = false;
address = new InetSocketAddress(port);
try {
socketAcceptor.setHandler(new EchoProtocolHandler() {
@Override
public void sessionCreated(IoSession session) {
if (useSSL) {
try {
session.getFilterChain().addFirst(
"SSL",
new SslFilter(BogusSslContextFactory
.getInstance(true)));
} catch (GeneralSecurityException e) {
logger.error("", e);
throw new RuntimeException(e);
}
}
}
// This is for TLS re-entrance test
@Override
public void messageReceived(IoSession session, Object message)
throws Exception {
if (!(message instanceof IoBuffer)) {
return;
}
IoBuffer buf = (IoBuffer) message;
if (session.getFilterChain().contains("SSL")
&& buf.remaining() == 1 && buf.get() == (byte) '.') {
logger.info("TLS Reentrance");
((SslFilter) session.getFilterChain().get("SSL"))
.startSsl(session);
// Send a response
buf = IoBuffer.allocate(1);
buf.put((byte) '.');
buf.flip();
session.setAttribute(SslFilter.DISABLE_ENCRYPTION_ONCE);
session.write(buf);
} else {
super.messageReceived(session, message);
}
}
});
socketAcceptor.bind(address);
socketBound = true;
datagramAcceptor.setHandler(new EchoProtocolHandler());
datagramAcceptor.bind(address);
datagramBound = true;
} catch (IOException e) {
// Do nothing
} finally {
if (socketBound && !datagramBound) {
socketAcceptor.unbind();
}
if (datagramBound && !socketBound) {
datagramAcceptor.unbind();
}
}
// If there is no port available, test fails.
if (!socketBound || !datagramBound) {
throw new IOException("Cannot bind any test port.");
}
boundAddress = address;
logger.info("Using port " + port + " for testing.");
}
@Override
protected void tearDown() throws Exception {
if (boundAddress != null) {
socketAcceptor.dispose();
datagramAcceptor.dispose();
}
}
}