/*
* 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.testsuite.transport.socket;
import io.netty.bootstrap.Bootstrap;
import io.netty.bootstrap.ServerBootstrap;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.Channel;
import io.netty.channel.ChannelHandlerAdapter;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.SimpleChannelInboundHandler;
import io.netty.channel.socket.SocketChannel;
import io.netty.util.concurrent.DefaultEventExecutorGroup;
import io.netty.util.concurrent.EventExecutorGroup;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import java.io.IOException;
import java.util.Random;
import java.util.concurrent.atomic.AtomicReference;
import static org.junit.Assert.*;
public class SocketEchoTest extends AbstractSocketTest {
private static final Random random = new Random();
static final byte[] data = new byte[1048576];
private static EventExecutorGroup group;
static {
random.nextBytes(data);
}
@BeforeClass
public static void createGroup() {
group = new DefaultEventExecutorGroup(2);
}
@AfterClass
public static void destroyGroup() throws Exception {
group.shutdownGracefully().sync();
}
@Test(timeout = 30000)
public void testSimpleEcho() throws Throwable {
run();
}
public void testSimpleEcho(ServerBootstrap sb, Bootstrap cb) throws Throwable {
testSimpleEcho0(sb, cb, false, false, true);
}
@Test(timeout = 30000)
public void testSimpleEchoNotAutoRead() throws Throwable {
run();
}
public void testSimpleEchoNotAutoRead(ServerBootstrap sb, Bootstrap cb) throws Throwable {
testSimpleEcho0(sb, cb, false, false, false);
}
@Test//(timeout = 30000)
public void testSimpleEchoWithAdditionalExecutor() throws Throwable {
run();
}
public void testSimpleEchoWithAdditionalExecutor(ServerBootstrap sb, Bootstrap cb) throws Throwable {
testSimpleEcho0(sb, cb, true, false, true);
}
@Test//(timeout = 30000)
public void testSimpleEchoWithAdditionalExecutorNotAutoRead() throws Throwable {
run();
}
public void testSimpleEchoWithAdditionalExecutorNotAutoRead(ServerBootstrap sb, Bootstrap cb) throws Throwable {
testSimpleEcho0(sb, cb, true, false, false);
}
@Test//(timeout = 30000)
public void testSimpleEchoWithVoidPromise() throws Throwable {
run();
}
public void testSimpleEchoWithVoidPromise(ServerBootstrap sb, Bootstrap cb) throws Throwable {
testSimpleEcho0(sb, cb, false, true, true);
}
@Test//(timeout = 30000)
public void testSimpleEchoWithVoidPromiseNotAutoRead() throws Throwable {
run();
}
public void testSimpleEchoWithVoidPromiseNotAutoRead(ServerBootstrap sb, Bootstrap cb) throws Throwable {
testSimpleEcho0(sb, cb, false, true, false);
}
@Test(timeout = 30000)
public void testSimpleEchoWithAdditionalExecutorAndVoidPromise() throws Throwable {
run();
}
public void testSimpleEchoWithAdditionalExecutorAndVoidPromise(ServerBootstrap sb, Bootstrap cb) throws Throwable {
testSimpleEcho0(sb, cb, true, true, true);
}
private static void testSimpleEcho0(
ServerBootstrap sb, Bootstrap cb, boolean additionalExecutor, boolean voidPromise, boolean autoRead)
throws Throwable {
final EchoHandler sh = new EchoHandler(autoRead);
final EchoHandler ch = new EchoHandler(autoRead);
if (additionalExecutor) {
sb.childHandler(new ChannelInitializer<SocketChannel>() {
@Override
protected void initChannel(SocketChannel c) throws Exception {
c.pipeline().addLast(group, sh);
}
});
cb.handler(new ChannelInitializer<SocketChannel>() {
@Override
protected void initChannel(SocketChannel c) throws Exception {
c.pipeline().addLast(group, ch);
}
});
} else {
sb.childHandler(sh);
sb.handler(new ChannelHandlerAdapter() {
@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
cause.printStackTrace();
}
});
cb.handler(ch);
}
Channel sc = sb.bind().sync().channel();
Channel cc = cb.connect().sync().channel();
for (int i = 0; i < data.length;) {
int length = Math.min(random.nextInt(1024 * 64), data.length - i);
ByteBuf buf = Unpooled.wrappedBuffer(data, i, length);
if (voidPromise) {
assertEquals(cc.voidPromise(), cc.writeAndFlush(buf, cc.voidPromise()));
} else {
assertNotEquals(cc.voidPromise(), cc.writeAndFlush(buf));
}
i += length;
}
while (ch.counter < data.length) {
if (sh.exception.get() != null) {
break;
}
if (ch.exception.get() != null) {
break;
}
try {
Thread.sleep(50);
} catch (InterruptedException e) {
// Ignore.
}
}
while (sh.counter < data.length) {
if (sh.exception.get() != null) {
break;
}
if (ch.exception.get() != null) {
break;
}
try {
Thread.sleep(50);
} catch (InterruptedException e) {
// Ignore.
}
}
sh.channel.close().sync();
ch.channel.close().sync();
sc.close().sync();
if (sh.exception.get() != null && !(sh.exception.get() instanceof IOException)) {
throw sh.exception.get();
}
if (ch.exception.get() != null && !(ch.exception.get() instanceof IOException)) {
throw ch.exception.get();
}
if (sh.exception.get() != null) {
throw sh.exception.get();
}
if (ch.exception.get() != null) {
throw ch.exception.get();
}
}
private static class EchoHandler extends SimpleChannelInboundHandler<ByteBuf> {
private final boolean autoRead;
volatile Channel channel;
final AtomicReference<Throwable> exception = new AtomicReference<Throwable>();
volatile int counter;
EchoHandler(boolean autoRead) {
this.autoRead = autoRead;
}
@Override
public void channelActive(ChannelHandlerContext ctx)
throws Exception {
channel = ctx.channel();
}
@Override
public void messageReceived(ChannelHandlerContext ctx, ByteBuf in) throws Exception {
byte[] actual = new byte[in.readableBytes()];
in.readBytes(actual);
int lastIdx = counter;
for (int i = 0; i < actual.length; i ++) {
assertEquals(data[i + lastIdx], actual[i]);
}
if (channel.parent() != null) {
channel.write(Unpooled.wrappedBuffer(actual));
}
counter += actual.length;
}
@Override
public void channelReadComplete(ChannelHandlerContext ctx) throws Exception {
try {
ctx.flush();
} finally {
if (!autoRead) {
ctx.read();
}
}
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx,
Throwable cause) throws Exception {
if (exception.compareAndSet(null, cause)) {
cause.printStackTrace();
ctx.close();
}
}
}
}