/*
* 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 io.netty.channel.local;
import io.netty.bootstrap.Bootstrap;
import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.Channel;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelHandler.Sharable;
import io.netty.channel.ChannelHandlerAdapter;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.DefaultEventLoopGroup;
import io.netty.util.ReferenceCountUtil;
import org.junit.Test;
import java.util.concurrent.atomic.AtomicInteger;
import static org.junit.Assert.*;
public class LocalTransportThreadModelTest2 {
private static final String LOCAL_CHANNEL = LocalTransportThreadModelTest2.class.getName();
static final int messageCountPerRun = 4;
@Test(timeout = 15000)
public void testSocketReuse() throws InterruptedException {
ServerBootstrap serverBootstrap = new ServerBootstrap();
LocalHander serverHandler = new LocalHander("SERVER");
serverBootstrap
.group(new DefaultEventLoopGroup(), new DefaultEventLoopGroup())
.channel(LocalServerChannel.class)
.childHandler(serverHandler);
Bootstrap clientBootstrap = new Bootstrap();
LocalHander clientHandler = new LocalHander("CLIENT");
clientBootstrap
.group(new DefaultEventLoopGroup())
.channel(LocalChannel.class)
.remoteAddress(new LocalAddress(LOCAL_CHANNEL)).handler(clientHandler);
serverBootstrap.bind(new LocalAddress(LOCAL_CHANNEL)).sync();
int count = 100;
for (int i = 1; i < count + 1; i++) {
Channel ch = clientBootstrap.connect().sync().channel();
// SPIN until we get what we are looking for.
int target = i * messageCountPerRun;
while (serverHandler.count.get() != target || clientHandler.count.get() != target) {
Thread.sleep(50);
}
close(ch, clientHandler);
}
assertEquals(count * 2 * messageCountPerRun, serverHandler.count.get() +
clientHandler.count.get());
}
public void close(final Channel localChannel, final LocalHander localRegistrationHandler) {
// we want to make sure we actually shutdown IN the event loop
if (localChannel.eventLoop().inEventLoop()) {
// Wait until all messages are flushed before closing the channel.
if (localRegistrationHandler.lastWriteFuture != null) {
localRegistrationHandler.lastWriteFuture.awaitUninterruptibly();
}
localChannel.close();
return;
}
localChannel.eventLoop().execute(new Runnable() {
@Override
public void run() {
close(localChannel, localRegistrationHandler);
}
});
// Wait until the connection is closed or the connection attempt fails.
localChannel.closeFuture().awaitUninterruptibly();
}
@Sharable
static class LocalHander extends ChannelHandlerAdapter {
private final String name;
public volatile ChannelFuture lastWriteFuture;
public final AtomicInteger count = new AtomicInteger(0);
LocalHander(String name) {
this.name = name;
}
@Override
public void channelActive(ChannelHandlerContext ctx) throws Exception {
for (int i = 0; i < messageCountPerRun; i ++) {
lastWriteFuture = ctx.channel().write(name + ' ' + i);
}
ctx.channel().flush();
}
@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
count.incrementAndGet();
ReferenceCountUtil.release(msg);
}
}
}