/*
* 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 org.jboss.netty.handler.codec.spdy;
import static org.jboss.netty.handler.codec.spdy.SpdyCodecUtil.*;
import static org.junit.Assert.*;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.util.Random;
import java.util.concurrent.Executor;
import java.util.concurrent.Executors;
import java.util.concurrent.atomic.AtomicReference;
import org.jboss.netty.bootstrap.ClientBootstrap;
import org.jboss.netty.bootstrap.ServerBootstrap;
import org.jboss.netty.buffer.ChannelBuffer;
import org.jboss.netty.buffer.ChannelBuffers;
import org.jboss.netty.channel.Channel;
import org.jboss.netty.channel.ChannelFactory;
import org.jboss.netty.channel.ChannelFuture;
import org.jboss.netty.channel.ChannelHandlerContext;
import org.jboss.netty.channel.ChannelStateEvent;
import org.jboss.netty.channel.Channels;
import org.jboss.netty.channel.ExceptionEvent;
import org.jboss.netty.channel.MessageEvent;
import org.jboss.netty.channel.SimpleChannelUpstreamHandler;
import org.jboss.netty.util.TestUtil;
import org.junit.Test;
public abstract class AbstractSocketSpdyEchoTest {
private static final Random random = new Random();
static final int ignoredBytes = 20;
private static ChannelBuffer createFrames(int version) {
int length = version < 3 ? 1176 : 1174;
ChannelBuffer frames = ChannelBuffers.buffer(length);
// SPDY UNKNOWN Frame
frames.writeByte(0x80);
frames.writeByte(version);
frames.writeShort(0xFFFF);
frames.writeByte(0xFF);
frames.writeMedium(4);
frames.writeInt(random.nextInt());
// SPDY NOOP Frame
frames.writeByte(0x80);
frames.writeByte(version);
frames.writeShort(5);
frames.writeInt(0);
// SPDY Data Frame
frames.writeInt(random.nextInt() & 0x7FFFFFFF | 0x01);
frames.writeByte(0x01);
frames.writeMedium(1024);
for (int i = 0; i < 256; i ++) {
frames.writeInt(random.nextInt());
}
// SPDY SYN_STREAM Frame
frames.writeByte(0x80);
frames.writeByte(version);
frames.writeShort(1);
frames.writeByte(0x03);
if (version < 3) {
frames.writeMedium(12);
} else {
frames.writeMedium(10);
}
frames.writeInt(random.nextInt() & 0x7FFFFFFF | 0x01);
frames.writeInt(random.nextInt() & 0x7FFFFFFF);
frames.writeShort(0x8000);
if (version < 3) {
frames.writeShort(0);
}
// SPDY SYN_REPLY Frame
frames.writeByte(0x80);
frames.writeByte(version);
frames.writeShort(2);
frames.writeByte(0x01);
if (version < 3) {
frames.writeMedium(8);
} else {
frames.writeMedium(4);
}
frames.writeInt(random.nextInt() & 0x7FFFFFFF | 0x01);
if (version < 3) {
frames.writeInt(0);
}
// SPDY RST_STREAM Frame
frames.writeByte(0x80);
frames.writeByte(version);
frames.writeShort(3);
frames.writeInt(8);
frames.writeInt(random.nextInt() & 0x7FFFFFFF | 0x01);
frames.writeInt(random.nextInt() | 0x01);
// SPDY SETTINGS Frame
frames.writeByte(0x80);
frames.writeByte(version);
frames.writeShort(4);
frames.writeByte(0x01);
frames.writeMedium(12);
frames.writeInt(1);
if (version < 3) {
frames.writeMedium(random.nextInt());
frames.writeByte(0x03);
} else {
frames.writeByte(0x03);
frames.writeMedium(random.nextInt());
}
frames.writeInt(random.nextInt());
// SPDY PING Frame
frames.writeByte(0x80);
frames.writeByte(version);
frames.writeShort(6);
frames.writeInt(4);
frames.writeInt(random.nextInt());
// SPDY GOAWAY Frame
frames.writeByte(0x80);
frames.writeByte(version);
frames.writeShort(7);
if (version < 3) {
frames.writeInt(4);
} else {
frames.writeInt(8);
}
frames.writeInt(random.nextInt() & 0x7FFFFFFF);
if (version >= 3) {
frames.writeInt(random.nextInt() | 0x01);
}
// SPDY HEADERS Frame
frames.writeByte(0x80);
frames.writeByte(version);
frames.writeShort(8);
frames.writeByte(0x01);
frames.writeMedium(4);
frames.writeInt(random.nextInt() & 0x7FFFFFFF | 0x01);
// SPDY WINDOW_UPDATE Frame
frames.writeByte(0x80);
frames.writeByte(version);
frames.writeShort(9);
frames.writeInt(8);
frames.writeInt(random.nextInt() & 0x7FFFFFFF | 0x01);
frames.writeInt(random.nextInt() & 0x7FFFFFFF | 0x01);
return frames;
}
protected abstract ChannelFactory newServerSocketChannelFactory(Executor executor);
protected abstract ChannelFactory newClientSocketChannelFactory(Executor executor);
@Test
public void testSpdyEcho() throws Throwable {
for (int version = SPDY_MIN_VERSION; version <= SPDY_MAX_VERSION; version ++) {
testSpdyEcho(version);
}
}
private void testSpdyEcho(int version) throws Throwable {
ServerBootstrap sb = new ServerBootstrap(newServerSocketChannelFactory(Executors.newCachedThreadPool()));
ClientBootstrap cb = new ClientBootstrap(newClientSocketChannelFactory(Executors.newCachedThreadPool()));
ChannelBuffer frames = createFrames(version);
EchoHandler sh = new EchoHandler(frames, true);
EchoHandler ch = new EchoHandler(frames, false);
sb.getPipeline().addLast("decoder", new SpdyFrameDecoder(version));
sb.getPipeline().addLast("encoder", new SpdyFrameEncoder(version));
sb.getPipeline().addLast("handler", sh);
cb.getPipeline().addLast("handler", ch);
Channel sc = sb.bind(new InetSocketAddress(0));
int port = ((InetSocketAddress) sc.getLocalAddress()).getPort();
ChannelFuture ccf = cb.connect(new InetSocketAddress(TestUtil.getLocalHost(), port));
assertTrue(ccf.awaitUninterruptibly().isSuccess());
Channel cc = ccf.getChannel();
cc.write(frames);
while (ch.counter < frames.writerIndex() - ignoredBytes) {
if (sh.exception.get() != null) {
break;
}
if (ch.exception.get() != null) {
break;
}
try {
Thread.sleep(1);
} catch (InterruptedException e) {
// Ignore.
}
}
sh.channel.close().awaitUninterruptibly();
ch.channel.close().awaitUninterruptibly();
sc.close().awaitUninterruptibly();
cb.shutdown();
sb.shutdown();
cb.releaseExternalResources();
sb.releaseExternalResources();
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 SimpleChannelUpstreamHandler {
volatile Channel channel;
final AtomicReference<Throwable> exception = new AtomicReference<Throwable>();
final ChannelBuffer frames;
volatile int counter;
final boolean server;
EchoHandler(ChannelBuffer frames, boolean server) {
this.frames = frames;
this.server = server;
}
@Override
public void channelOpen(ChannelHandlerContext ctx, ChannelStateEvent e)
throws Exception {
channel = e.getChannel();
}
@Override
public void messageReceived(ChannelHandlerContext ctx, MessageEvent e)
throws Exception {
if (server) {
Channels.write(channel, e.getMessage(), e.getRemoteAddress());
} else {
ChannelBuffer m = (ChannelBuffer) e.getMessage();
byte[] actual = new byte[m.readableBytes()];
m.getBytes(0, actual);
int lastIdx = counter;
for (int i = 0; i < actual.length; i ++) {
assertEquals(frames.getByte(ignoredBytes + i + lastIdx), actual[i]);
}
counter += actual.length;
}
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent e)
throws Exception {
if (exception.compareAndSet(null, e.getCause())) {
e.getChannel().close();
}
}
}
}