7df012884f
Motivation Per javadoc in 4.1.x SimpleChannelInboundHandler: "Please keep in mind that channelRead0(ChannelHandlerContext, I) will be renamed to messageReceived(ChannelHandlerContext, I) in 5.0." Modifications Rename aforementioned method and all references/overrides. Result Method is renamed.
355 lines
11 KiB
Java
355 lines
11 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.ChannelHandler;
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import io.netty.channel.ChannelHandlerContext;
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import io.netty.channel.ChannelOption;
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import io.netty.channel.DefaultFileRegion;
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import io.netty.channel.FileRegion;
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import io.netty.channel.SimpleChannelInboundHandler;
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import org.hamcrest.CoreMatchers;
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import org.junit.Test;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.RandomAccessFile;
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import java.nio.channels.WritableByteChannel;
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import java.util.Random;
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import java.util.concurrent.ThreadLocalRandom;
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import java.util.concurrent.atomic.AtomicReference;
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import static org.hamcrest.CoreMatchers.is;
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import static org.junit.Assert.*;
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public class SocketFileRegionTest extends AbstractSocketTest {
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static final byte[] data = new byte[1048576 * 10];
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static {
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ThreadLocalRandom.current().nextBytes(data);
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}
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@Test
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public void testFileRegion() throws Throwable {
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run();
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}
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@Test
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public void testCustomFileRegion() throws Throwable {
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run();
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}
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@Test
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public void testFileRegionNotAutoRead() throws Throwable {
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run();
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}
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@Test
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public void testFileRegionVoidPromise() throws Throwable {
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run();
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}
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@Test
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public void testFileRegionVoidPromiseNotAutoRead() throws Throwable {
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run();
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}
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@Test
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public void testFileRegionCountLargerThenFile() throws Throwable {
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run();
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}
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public void testFileRegion(ServerBootstrap sb, Bootstrap cb) throws Throwable {
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testFileRegion0(sb, cb, false, true, true);
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}
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public void testCustomFileRegion(ServerBootstrap sb, Bootstrap cb) throws Throwable {
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testFileRegion0(sb, cb, false, true, false);
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}
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public void testFileRegionVoidPromise(ServerBootstrap sb, Bootstrap cb) throws Throwable {
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testFileRegion0(sb, cb, true, true, true);
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}
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public void testFileRegionNotAutoRead(ServerBootstrap sb, Bootstrap cb) throws Throwable {
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testFileRegion0(sb, cb, false, false, true);
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}
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public void testFileRegionVoidPromiseNotAutoRead(ServerBootstrap sb, Bootstrap cb) throws Throwable {
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testFileRegion0(sb, cb, true, false, true);
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}
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public void testFileRegionCountLargerThenFile(ServerBootstrap sb, Bootstrap cb) throws Throwable {
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File file = File.createTempFile("netty-", ".tmp");
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file.deleteOnExit();
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final FileOutputStream out = new FileOutputStream(file);
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out.write(data);
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out.close();
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sb.childHandler(new SimpleChannelInboundHandler<ByteBuf>() {
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@Override
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protected void messageReceived(ChannelHandlerContext ctx, ByteBuf msg) {
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// Just drop the message.
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}
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});
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cb.handler(new ChannelHandler() { });
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Channel sc = sb.bind().sync().channel();
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Channel cc = cb.connect(sc.localAddress()).sync().channel();
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// Request file region which is bigger then the underlying file.
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FileRegion region = new DefaultFileRegion(
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new RandomAccessFile(file, "r").getChannel(), 0, data.length + 1024);
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assertThat(cc.writeAndFlush(region).await().cause(), CoreMatchers.<Throwable>instanceOf(IOException.class));
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cc.close().sync();
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sc.close().sync();
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}
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private static void testFileRegion0(
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ServerBootstrap sb, Bootstrap cb, boolean voidPromise, final boolean autoRead, boolean defaultFileRegion)
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throws Throwable {
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sb.childOption(ChannelOption.AUTO_READ, autoRead);
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cb.option(ChannelOption.AUTO_READ, autoRead);
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final int bufferSize = 1024;
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final File file = File.createTempFile("netty-", ".tmp");
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file.deleteOnExit();
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final FileOutputStream out = new FileOutputStream(file);
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final Random random = ThreadLocalRandom.current();
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// Prepend random data which will not be transferred, so that we can test non-zero start offset
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final int startOffset = random.nextInt(8192);
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for (int i = 0; i < startOffset; i ++) {
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out.write(random.nextInt());
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}
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// .. and here comes the real data to transfer.
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out.write(data, bufferSize, data.length - bufferSize);
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// .. and then some extra data which is not supposed to be transferred.
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for (int i = random.nextInt(8192); i > 0; i --) {
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out.write(random.nextInt());
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}
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out.close();
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ChannelHandler ch = new SimpleChannelInboundHandler<Object>() {
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@Override
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public void messageReceived(ChannelHandlerContext ctx, Object msg) throws Exception {
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}
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@Override
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public void channelReadComplete(ChannelHandlerContext ctx) throws Exception {
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if (!autoRead) {
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ctx.read();
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}
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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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ctx.close();
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}
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};
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TestHandler sh = new TestHandler(autoRead);
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sb.childHandler(sh);
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cb.handler(ch);
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Channel sc = sb.bind().sync().channel();
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Channel cc = cb.connect(sc.localAddress()).sync().channel();
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FileRegion region = new DefaultFileRegion(
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new RandomAccessFile(file, "r").getChannel(), startOffset, data.length - bufferSize);
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FileRegion emptyRegion = new DefaultFileRegion(new RandomAccessFile(file, "r").getChannel(), 0, 0);
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if (!defaultFileRegion) {
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region = new FileRegionWrapper(region);
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emptyRegion = new FileRegionWrapper(emptyRegion);
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}
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// Do write ByteBuf and then FileRegion to ensure that mixed writes work
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// Also, write an empty FileRegion to test if writing an empty FileRegion does not cause any issues.
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//
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// See https://github.com/netty/netty/issues/2769
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// https://github.com/netty/netty/issues/2964
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if (voidPromise) {
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assertEquals(cc.voidPromise(), cc.write(Unpooled.wrappedBuffer(data, 0, bufferSize), cc.voidPromise()));
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assertEquals(cc.voidPromise(), cc.write(emptyRegion, cc.voidPromise()));
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assertEquals(cc.voidPromise(), cc.writeAndFlush(region, cc.voidPromise()));
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} else {
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assertNotEquals(cc.voidPromise(), cc.write(Unpooled.wrappedBuffer(data, 0, bufferSize)));
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assertNotEquals(cc.voidPromise(), cc.write(emptyRegion));
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assertNotEquals(cc.voidPromise(), cc.writeAndFlush(region));
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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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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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cc.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 (sh.exception.get() != null) {
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throw sh.exception.get();
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}
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// Make sure we did not receive more than we expected.
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assertThat(sh.counter, is(data.length));
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}
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private static class TestHandler extends SimpleChannelInboundHandler<ByteBuf> {
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private final boolean autoRead;
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volatile Channel channel;
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final AtomicReference<Throwable> exception = new AtomicReference<>();
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volatile int counter;
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TestHandler(boolean autoRead) {
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this.autoRead = autoRead;
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}
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@Override
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public void channelActive(ChannelHandlerContext ctx)
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throws Exception {
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channel = ctx.channel();
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if (!autoRead) {
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ctx.read();
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}
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}
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@Override
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public void messageReceived(ChannelHandlerContext ctx, ByteBuf in) throws Exception {
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byte[] actual = new byte[in.readableBytes()];
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in.readBytes(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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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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if (!autoRead) {
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ctx.read();
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}
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}
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@Override
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public void exceptionCaught(ChannelHandlerContext ctx,
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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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private static final class FileRegionWrapper implements FileRegion {
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private final FileRegion region;
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FileRegionWrapper(FileRegion region) {
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this.region = region;
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}
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@Override
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public int refCnt() {
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return region.refCnt();
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}
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@Override
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public long position() {
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return region.position();
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}
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@Override
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@Deprecated
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public long transfered() {
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return region.transferred();
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}
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@Override
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public boolean release() {
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return region.release();
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}
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@Override
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public long transferred() {
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return region.transferred();
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}
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@Override
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public long count() {
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return region.count();
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}
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@Override
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public boolean release(int decrement) {
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return region.release(decrement);
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}
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@Override
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public long transferTo(WritableByteChannel target, long position) throws IOException {
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return region.transferTo(target, position);
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}
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@Override
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public FileRegion retain() {
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region.retain();
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return this;
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}
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@Override
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public FileRegion retain(int increment) {
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region.retain(increment);
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return this;
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}
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@Override
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public FileRegion touch() {
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region.touch();
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return this;
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}
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@Override
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public FileRegion touch(Object hint) {
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region.touch(hint);
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return this;
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}
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}
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}
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