/*
* 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.ChannelHandler;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.DefaultFileRegion;
import io.netty.channel.FileRegion;
import io.netty.channel.SimpleChannelInboundHandler;
import io.netty.util.internal.ThreadLocalRandom;
import org.junit.Test;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Random;
import java.util.concurrent.atomic.AtomicReference;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.*;
public class SocketFileRegionTest extends AbstractSocketTest {
static final byte[] data = new byte[1048576 * 10];
static {
ThreadLocalRandom.current().nextBytes(data);
}
@Test
public void testFileRegion() throws Throwable {
run();
}
@Test
public void testFileRegionNotAutoRead() throws Throwable {
run();
}
@Test
public void testFileRegionVoidPromise() throws Throwable {
run();
}
@Test
public void testFileRegionVoidPromiseNotAutoRead() throws Throwable {
run();
}
public void testFileRegion(ServerBootstrap sb, Bootstrap cb) throws Throwable {
testFileRegion0(sb, cb, false, true);
}
public void testFileRegionVoidPromise(ServerBootstrap sb, Bootstrap cb) throws Throwable {
testFileRegion0(sb, cb, true, true);
}
public void testFileRegionNotAutoRead(ServerBootstrap sb, Bootstrap cb) throws Throwable {
testFileRegion0(sb, cb, false, false);
}
public void testFileRegionVoidPromiseNotAutoRead(ServerBootstrap sb, Bootstrap cb) throws Throwable {
testFileRegion0(sb, cb, true, false);
}
private static void testFileRegion0(
ServerBootstrap sb, Bootstrap cb, boolean voidPromise, final boolean autoRead) throws Throwable {
final int bufferSize = 1024;
final File file = File.createTempFile("netty-", ".tmp");
file.deleteOnExit();
final FileOutputStream out = new FileOutputStream(file);
final Random random = ThreadLocalRandom.current();
// Prepend random data which will not be transferred, so that we can test non-zero start offset
final int startOffset = random.nextInt(8192);
for (int i = 0; i < startOffset; i ++) {
out.write(random.nextInt());
}
// .. and here comes the real data to transfer.
out.write(data, bufferSize, data.length - bufferSize);
// .. and then some extra data which is not supposed to be transferred.
for (int i = random.nextInt(8192); i > 0; i --) {
out.write(random.nextInt());
}
out.close();
ChannelHandler ch = new SimpleChannelInboundHandler<Object>() {
@Override
public void messageReceived(ChannelHandlerContext ctx, Object msg) throws Exception {
}
@Override
public void channelReadComplete(ChannelHandlerContext ctx) throws Exception {
if (!autoRead) {
ctx.read();
}
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
ctx.close();
}
};
TestHandler sh = new TestHandler(autoRead);
sb.childHandler(sh);
cb.handler(ch);
Channel sc = sb.bind().sync().channel();
Channel cc = cb.connect().sync().channel();
FileRegion region = new DefaultFileRegion(
new FileInputStream(file).getChannel(), startOffset, data.length - bufferSize);
FileRegion emptyRegion = new DefaultFileRegion(new FileInputStream(file).getChannel(), 0, 0);
// Do write ByteBuf and then FileRegion to ensure that mixed writes work
// Also, write an empty FileRegion to test if writing an empty FileRegion does not cause any issues.
//
// See https://github.com/netty/netty/issues/2769
// https://github.com/netty/netty/issues/2964
if (voidPromise) {
assertEquals(cc.voidPromise(), cc.write(Unpooled.wrappedBuffer(data, 0, bufferSize), cc.voidPromise()));
assertEquals(cc.voidPromise(), cc.write(emptyRegion, cc.voidPromise()));
assertEquals(cc.voidPromise(), cc.writeAndFlush(region, cc.voidPromise()));
} else {
assertNotEquals(cc.voidPromise(), cc.write(Unpooled.wrappedBuffer(data, 0, bufferSize)));
assertNotEquals(cc.voidPromise(), cc.write(emptyRegion));
assertNotEquals(cc.voidPromise(), cc.writeAndFlush(region));
}
while (sh.counter < data.length) {
if (sh.exception.get() != null) {
break;
}
try {
Thread.sleep(50);
} catch (InterruptedException e) {
// Ignore.
}
}
sh.channel.close().sync();
cc.close().sync();
sc.close().sync();
if (sh.exception.get() != null && !(sh.exception.get() instanceof IOException)) {
throw sh.exception.get();
}
if (sh.exception.get() != null) {
throw sh.exception.get();
}
// Make sure we did not receive more than we expected.
assertThat(sh.counter, is(data.length));
}
private static class TestHandler extends SimpleChannelInboundHandler<ByteBuf> {
private final boolean autoRead;
volatile Channel channel;
final AtomicReference<Throwable> exception = new AtomicReference<Throwable>();
volatile int counter;
TestHandler(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]);
}
counter += actual.length;
}
@Override
public void channelReadComplete(ChannelHandlerContext ctx) throws Exception {
if (!autoRead) {
ctx.read();
}
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx,
Throwable cause) throws Exception {
if (exception.compareAndSet(null, cause)) {
ctx.close();
}
}
}
}