/*
* JBoss, Home of Professional Open Source.
* Copyright 2014 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* Licensed 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.undertow.server;
import java.io.IOException;
import java.io.InputStream;
import java.nio.ByteBuffer;
import java.nio.channels.Channel;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import io.undertow.testutils.DefaultServer;
import io.undertow.testutils.HttpOneOnly;
import io.undertow.testutils.TestHttpClient;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.junit.Assert;
import org.junit.Ignore;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.xnio.ChannelListener;
import org.xnio.Options;
import org.xnio.channels.StreamSinkChannel;
import org.xnio.channels.WriteTimeoutException;
/**
* Tests read timeout with a client that is slow to read the response
*
* @author Stuart Douglas
*/
@RunWith(DefaultServer.class)
@HttpOneOnly
@Ignore("This test fails intermittently")
public class WriteTimeoutTestCase {
private volatile Exception exception;
private static final CountDownLatch errorLatch = new CountDownLatch(1);
@Test
public void testWriteTimeout() throws IOException, InterruptedException {
DefaultServer.setRootHandler(new HttpHandler() {
@Override
public void handleRequest(final HttpServerExchange exchange) throws Exception {
final StreamSinkChannel response = exchange.getResponseChannel();
try {
response.setOption(Options.WRITE_TIMEOUT, 10);
} catch (IOException e) {
throw new RuntimeException(e);
}
final int capacity = 1 * 1024 * 1024; //1mb
final ByteBuffer originalBuffer = ByteBuffer.allocateDirect(capacity);
for (int i = 0; i < capacity; ++i) {
originalBuffer.put((byte) '*');
}
originalBuffer.flip();
response.getWriteSetter().set(new ChannelListener<Channel>() {
private ByteBuffer buffer = originalBuffer.duplicate();
int count = 0;
@Override
public void handleEvent(final Channel channel) {
do {
try {
int res = response.write(buffer);
if (res == 0) {
return;
}
} catch (IOException e) {
exception = e;
errorLatch.countDown();
}
if(!buffer.hasRemaining()) {
count++;
buffer = originalBuffer.duplicate();
}
} while (count < 1000);
exchange.endExchange();
}
});
response.wakeupWrites();
}
});
final TestHttpClient client = new TestHttpClient();
try {
HttpGet get = new HttpGet(DefaultServer.getDefaultServerURL());
try {
HttpResponse result = client.execute(get);
InputStream content = result.getEntity().getContent();
byte[] buffer = new byte[512];
int r = 0;
while ((r = content.read(buffer)) > 0) {
Thread.sleep(200);
if (exception != null) {
Assert.assertEquals(WriteTimeoutException.class, exception.getClass());
return;
}
}
Assert.fail("Write did not time out");
} catch (IOException e) {
if (errorLatch.await(5, TimeUnit.SECONDS)) {
Assert.assertEquals(WriteTimeoutException.class, exception.getClass());
} else {
Assert.fail("Write did not time out");
}
}
} finally {
client.getConnectionManager().shutdown();
}
}
}