/*
* Copyright 2013 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 io.netty.channel.oio;
import io.netty.bootstrap.Bootstrap;
import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.ChannelException;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelFutureListener;
import io.netty.channel.ChannelHandlerAdapter;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.socket.oio.OioServerSocketChannel;
import io.netty.channel.socket.oio.OioSocketChannel;
import io.netty.util.NetUtil;
import org.junit.Test;
import java.net.InetSocketAddress;
import java.net.Socket;
import java.util.concurrent.CountDownLatch;
import static org.hamcrest.CoreMatchers.*;
import static org.junit.Assert.*;
public class OioEventLoopTest {
@Test
public void testTooManyServerChannels() throws Exception {
EventLoopGroup g = new OioEventLoopGroup(1);
ServerBootstrap b = new ServerBootstrap();
b.channel(OioServerSocketChannel.class);
b.group(g);
b.childHandler(new ChannelHandlerAdapter());
ChannelFuture f1 = b.bind(0);
f1.sync();
ChannelFuture f2 = b.bind(0);
f2.await();
assertThat(f2.cause(), is(instanceOf(ChannelException.class)));
assertThat(f2.cause().getMessage().toLowerCase(), containsString("too many channels"));
final CountDownLatch notified = new CountDownLatch(1);
f2.addListener(new ChannelFutureListener() {
@Override
public void operationComplete(ChannelFuture future) throws Exception {
notified.countDown();
}
});
notified.await();
g.shutdownGracefully();
}
@Test
public void testTooManyClientChannels() throws Exception {
EventLoopGroup g = new OioEventLoopGroup(1);
ServerBootstrap sb = new ServerBootstrap();
sb.channel(OioServerSocketChannel.class);
sb.group(g);
sb.childHandler(new ChannelHandlerAdapter());
ChannelFuture f1 = sb.bind(0);
f1.sync();
Bootstrap cb = new Bootstrap();
cb.channel(OioSocketChannel.class);
cb.group(g);
cb.handler(new ChannelHandlerAdapter());
ChannelFuture f2 = cb.connect(NetUtil.LOCALHOST, ((InetSocketAddress) f1.channel().localAddress()).getPort());
f2.await();
assertThat(f2.cause(), is(instanceOf(ChannelException.class)));
assertThat(f2.cause().getMessage().toLowerCase(), containsString("too many channels"));
final CountDownLatch notified = new CountDownLatch(1);
f2.addListener(new ChannelFutureListener() {
@Override
public void operationComplete(ChannelFuture future) throws Exception {
notified.countDown();
}
});
notified.await();
g.shutdownGracefully();
}
@Test
public void testTooManyAcceptedChannels() throws Exception {
EventLoopGroup g = new OioEventLoopGroup(1);
ServerBootstrap sb = new ServerBootstrap();
sb.channel(OioServerSocketChannel.class);
sb.group(g);
sb.childHandler(new ChannelHandlerAdapter());
ChannelFuture f1 = sb.bind(0);
f1.sync();
Socket s = new Socket(NetUtil.LOCALHOST, ((InetSocketAddress) f1.channel().localAddress()).getPort());
assertThat(s.getInputStream().read(), is(-1));
s.close();
g.shutdownGracefully();
}
}