168 lines
5.3 KiB
Java
168 lines
5.3 KiB
Java
/*
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* Copyright 2012 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.testsuite.transport.socket;
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import io.netty.bootstrap.Bootstrap;
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import io.netty.bootstrap.ServerBootstrap;
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import io.netty.buffer.ByteBuf;
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import io.netty.buffer.Unpooled;
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import io.netty.channel.Channel;
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import io.netty.channel.ChannelHandlerContext;
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import io.netty.channel.ChannelInitializer;
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import io.netty.channel.SimpleChannelInboundHandler;
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import io.netty.channel.socket.SocketChannel;
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import io.netty.handler.codec.FixedLengthFrameDecoder;
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import org.junit.Test;
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import java.io.IOException;
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import java.util.Random;
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import java.util.concurrent.atomic.AtomicReference;
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import static org.junit.Assert.*;
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public class SocketFixedLengthEchoTest extends AbstractSocketTest {
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private static final Random random = new Random();
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static final byte[] data = new byte[1048576];
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static {
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random.nextBytes(data);
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}
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@Test
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public void testFixedLengthEcho() throws Throwable {
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run();
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}
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public void testFixedLengthEcho(ServerBootstrap sb, Bootstrap cb) throws Throwable {
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final EchoHandler sh = new EchoHandler();
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final EchoHandler ch = new EchoHandler();
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sb.childHandler(new ChannelInitializer<SocketChannel>() {
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@Override
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public void initChannel(SocketChannel sch) throws Exception {
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sch.pipeline().addLast("decoder", new FixedLengthFrameDecoder(1024));
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sch.pipeline().addAfter("decoder", "handler", sh);
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}
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});
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cb.handler(new ChannelInitializer<SocketChannel>() {
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@Override
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public void initChannel(SocketChannel sch) throws Exception {
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sch.pipeline().addLast("decoder", new FixedLengthFrameDecoder(1024));
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sch.pipeline().addAfter("decoder", "handler", ch);
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}
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});
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Channel sc = sb.bind().sync().channel();
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Channel cc = cb.connect().sync().channel();
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for (int i = 0; i < data.length;) {
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int length = Math.min(random.nextInt(1024 * 3), data.length - i);
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cc.writeAndFlush(Unpooled.wrappedBuffer(data, i, length));
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i += length;
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}
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while (ch.counter < data.length) {
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if (sh.exception.get() != null) {
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break;
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}
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if (ch.exception.get() != null) {
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break;
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}
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try {
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Thread.sleep(50);
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} catch (InterruptedException e) {
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// Ignore.
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}
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}
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while (sh.counter < data.length) {
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if (sh.exception.get() != null) {
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break;
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}
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if (ch.exception.get() != null) {
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break;
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}
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try {
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Thread.sleep(50);
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} catch (InterruptedException e) {
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// Ignore.
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}
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}
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sh.channel.close().sync();
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ch.channel.close().sync();
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sc.close().sync();
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if (sh.exception.get() != null && !(sh.exception.get() instanceof IOException)) {
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throw sh.exception.get();
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}
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if (ch.exception.get() != null && !(ch.exception.get() instanceof IOException)) {
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throw ch.exception.get();
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}
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if (sh.exception.get() != null) {
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throw sh.exception.get();
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}
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if (ch.exception.get() != null) {
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throw ch.exception.get();
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}
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}
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private static class EchoHandler extends SimpleChannelInboundHandler<ByteBuf> {
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volatile Channel channel;
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final AtomicReference<Throwable> exception = new AtomicReference<Throwable>();
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volatile int counter;
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@Override
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public void channelActive(ChannelHandlerContext ctx) throws Exception {
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channel = ctx.channel();
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}
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@Override
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public void channelRead0(ChannelHandlerContext ctx, ByteBuf msg) throws Exception {
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assertEquals(1024, msg.readableBytes());
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byte[] actual = new byte[msg.readableBytes()];
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msg.getBytes(0, actual);
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int lastIdx = counter;
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for (int i = 0; i < actual.length; i ++) {
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assertEquals(data[i + lastIdx], actual[i]);
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}
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if (channel.parent() != null) {
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channel.write(msg.retain());
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}
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counter += actual.length;
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}
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@Override
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public void channelReadComplete(ChannelHandlerContext ctx) throws Exception {
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ctx.flush();
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}
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@Override
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public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
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if (exception.compareAndSet(null, cause)) {
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ctx.close();
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}
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}
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}
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}
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