/*
* Copyright 2012 The Netty Project
*
* The Netty Project 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.jboss.netty.bootstrap;
import static org.easymock.EasyMock.*;
import static org.junit.Assert.*;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.concurrent.Executor;
import java.util.concurrent.Executors;
import org.jboss.netty.channel.Channel;
import org.jboss.netty.channel.ChannelException;
import org.jboss.netty.channel.ChannelFactory;
import org.jboss.netty.channel.ChannelHandlerContext;
import org.jboss.netty.channel.ChannelPipelineException;
import org.jboss.netty.channel.ChannelPipelineFactory;
import org.jboss.netty.channel.ChildChannelStateEvent;
import org.jboss.netty.channel.ServerChannelFactory;
import org.jboss.netty.channel.SimpleChannelUpstreamHandler;
import org.jboss.netty.channel.socket.SocketChannelConfig;
import org.jboss.netty.util.DummyHandler;
import org.jboss.netty.util.TestUtil;
import org.junit.Test;
/**
* An abstract test class to test server socket bootstraps
*/
public abstract class AbstractSocketServerBootstrapTest {
private static final boolean BUFSIZE_MODIFIABLE;
static {
boolean bufSizeModifiable = true;
Socket s = new Socket();
try {
s.setReceiveBufferSize(1234);
try {
if (s.getReceiveBufferSize() != 1234) {
throw new IllegalStateException();
}
} catch (Exception e) {
bufSizeModifiable = false;
System.err.println(
"Socket.getReceiveBufferSize() does not work: " + e);
}
} catch (Exception e) {
bufSizeModifiable = false;
System.err.println(
"Socket.setReceiveBufferSize() does not work: " + e);
} finally {
BUFSIZE_MODIFIABLE = bufSizeModifiable;
try {
s.close();
} catch (IOException e) {
// Ignore.
}
}
}
protected abstract ChannelFactory newServerSocketChannelFactory(Executor executor);
@Test(timeout = 30000, expected = ChannelException.class)
public void testFailedBindAttempt() throws Exception {
ServerBootstrap bootstrap = new ServerBootstrap();
final ServerSocket ss = new ServerSocket(0);
final int boundPort = ss.getLocalPort();
try {
bootstrap.setFactory(newServerSocketChannelFactory(Executors.newCachedThreadPool()));
bootstrap.setOption("localAddress", new InetSocketAddress(boundPort));
bootstrap.bind().close().awaitUninterruptibly();
} finally {
ss.close();
bootstrap.releaseExternalResources();
}
}
@Test(timeout = 30000)
public void testSuccessfulBindAttempt() throws Exception {
ServerBootstrap bootstrap = new ServerBootstrap(
newServerSocketChannelFactory(Executors.newCachedThreadPool()));
bootstrap.setParentHandler(new ParentChannelHandler());
bootstrap.setOption("localAddress", new InetSocketAddress(0));
bootstrap.setOption("child.receiveBufferSize", 9753);
bootstrap.setOption("child.sendBufferSize", 8642);
bootstrap.getPipeline().addLast("dummy", new DummyHandler());
Channel channel = bootstrap.bind();
ParentChannelHandler pch =
channel.getPipeline().get(ParentChannelHandler.class);
Socket socket = null;
try {
socket = new Socket(
TestUtil.getLocalHost(),
((InetSocketAddress) channel.getLocalAddress()).getPort());
// Wait until the connection is open in the server side.
while (pch.child == null) {
Thread.yield();
}
SocketChannelConfig cfg = (SocketChannelConfig) pch.child.getConfig();
if (BUFSIZE_MODIFIABLE) {
assertEquals(9753, cfg.getReceiveBufferSize());
assertEquals(8642, cfg.getSendBufferSize());
}
} finally {
if (socket != null) {
try {
socket.close();
} catch (IOException e) {
// Ignore.
}
}
channel.close().awaitUninterruptibly();
}
// Wait until the child connection is closed in the client side.
// We do not use Channel.close() to make sure it is closed automatically.
while (pch.child.isOpen()) {
try {
Thread.sleep(1);
} catch (InterruptedException e) {
// Ignore
}
}
// Wait until all child events are fired.
while (pch.result.length() < 2) {
try {
Thread.sleep(1);
} catch (InterruptedException e) {
// Ignore
}
}
// Confirm the received child events.
assertEquals("12", pch.result.toString());
bootstrap.releaseExternalResources();
}
@Test(expected = ChannelPipelineException.class)
public void testFailedPipelineInitialization() throws Exception {
ClientBootstrap bootstrap = new ClientBootstrap(createMock(ChannelFactory.class));
ChannelPipelineFactory pipelineFactory = createMock(ChannelPipelineFactory.class);
bootstrap.setPipelineFactory(pipelineFactory);
expect(pipelineFactory.getPipeline()).andThrow(new ChannelPipelineException());
replay(pipelineFactory);
bootstrap.connect(new InetSocketAddress(TestUtil.getLocalHost(), 1));
bootstrap.releaseExternalResources();
}
@Test(expected = IllegalStateException.class)
public void shouldHaveLocalAddressOption() {
new ServerBootstrap(createMock(ServerChannelFactory.class)).bind();
}
@Test(expected = NullPointerException.class)
public void shouldDisallowNullLocalAddressParameter() {
new ServerBootstrap(createMock(ServerChannelFactory.class)).bind(null);
}
private static class ParentChannelHandler extends SimpleChannelUpstreamHandler {
volatile Channel child;
final StringBuffer result = new StringBuffer();
ParentChannelHandler() {
}
@Override
public void childChannelClosed(ChannelHandlerContext ctx,
ChildChannelStateEvent e) throws Exception {
result.append('2');
}
@Override
public void childChannelOpen(ChannelHandlerContext ctx,
ChildChannelStateEvent e) throws Exception {
child = e.getChildChannel();
result.append('1');
}
}
}