432777 - Async Write Loses Data with HTTPS Server.

Fixed by properly flipping the aggregate buffer when copying bytes to it.
This commit is contained in:
Simone Bordet 2014-04-16 17:33:22 +02:00
parent 60f2200184
commit d90e6210bb
4 changed files with 181 additions and 1 deletions

View File

@ -24,7 +24,6 @@ import java.nio.ByteBuffer;
import java.nio.channels.ReadableByteChannel;
import java.nio.channels.WritePendingException;
import java.util.concurrent.atomic.AtomicReference;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletOutputStream;
import javax.servlet.ServletRequest;
@ -885,7 +884,9 @@ public class HttpOutput extends ServletOutputStream implements Runnable
// Can we just aggregate the remainder?
if (!_complete && _len<BufferUtil.space(_aggregate) && _len<_commitSize)
{
int position = BufferUtil.flipToFill(_aggregate);
BufferUtil.put(_buffer,_aggregate);
BufferUtil.flipToFlush(_aggregate, position);
return Action.SUCCEEDED;
}

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@ -0,0 +1,179 @@
//
// ========================================================================
// Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.servlet;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.Socket;
import java.util.Arrays;
import java.util.Collection;
import java.util.Random;
import javax.servlet.AsyncContext;
import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.WriteListener;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.server.ServerConnector;
import org.eclipse.jetty.toolchain.test.http.SimpleHttpParser;
import org.eclipse.jetty.toolchain.test.http.SimpleHttpResponse;
import org.eclipse.jetty.util.ssl.SslContextFactory;
import org.junit.After;
import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
@RunWith(Parameterized.class)
public class SSLAsyncIOServletTest
{
@Parameterized.Parameters
public static Collection<SslContextFactory[]> parameters()
{
return Arrays.asList(new SslContextFactory[]{null}, new SslContextFactory[]{new SslContextFactory()});
}
private Server server;
private ServerConnector connector;
private SslContextFactory sslContextFactory;
private String contextPath;
private String servletPath;
public SSLAsyncIOServletTest(SslContextFactory sslContextFactory)
{
this.sslContextFactory = sslContextFactory;
if (sslContextFactory != null)
{
sslContextFactory.setEndpointIdentificationAlgorithm("");
sslContextFactory.setKeyStorePath("src/test/resources/keystore.jks");
sslContextFactory.setKeyStorePassword("storepwd");
sslContextFactory.setTrustStorePath("src/test/resources/truststore.jks");
sslContextFactory.setTrustStorePassword("storepwd");
}
}
public void prepare(HttpServlet servlet) throws Exception
{
server = new Server();
connector = new ServerConnector(server, sslContextFactory);
server.addConnector(connector);
contextPath = "/context";
ServletContextHandler context = new ServletContextHandler(server, contextPath, true, false);
servletPath = "/servlet";
context.addServlet(new ServletHolder(servlet), servletPath);
server.start();
}
@After
public void dispose() throws Exception
{
server.stop();
}
@Test
public void testAsyncIOWritesWithAggregation() throws Exception
{
Random random = new Random();
String chars = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
final byte[] content = new byte[50000];
for (int i = 0; i < content.length; ++i)
content[i] = (byte)chars.charAt(random.nextInt(chars.length()));
prepare(new HttpServlet()
{
@Override
protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
{
final AsyncContext asyncContext = request.startAsync();
asyncContext.setTimeout(0);
final int bufferSize = 4096;
response.setBufferSize(bufferSize);
response.getOutputStream().setWriteListener(new WriteListener()
{
private int writes;
private int written;
@Override
public void onWritePossible() throws IOException
{
ServletOutputStream output = asyncContext.getResponse().getOutputStream();
do
{
int toWrite = content.length - written;
if (toWrite == 0)
{
asyncContext.complete();
return;
}
toWrite = Math.min(toWrite, bufferSize);
// Perform a write that is smaller than the buffer size to
// trigger the condition where the bytes are aggregated.
if (writes == 1)
toWrite -= 16;
output.write(content, written, toWrite);
++writes;
written += toWrite;
}
while (output.isReady());
}
@Override
public void onError(Throwable t)
{
asyncContext.complete();
}
});
}
});
try (Socket client = newClient())
{
String request = "" +
"GET " + contextPath + servletPath + " HTTP/1.1\r\n" +
"Host: localhost\r\n" +
"\r\n";
OutputStream output = client.getOutputStream();
output.write(request.getBytes("UTF-8"));
output.flush();
BufferedReader input = new BufferedReader(new InputStreamReader(client.getInputStream(), "UTF-8"));
SimpleHttpParser parser = new SimpleHttpParser();
SimpleHttpResponse response = parser.readResponse(input);
Assert.assertEquals("200", response.getCode());
Assert.assertArrayEquals(content, response.getBody().getBytes("UTF-8"));
}
}
private Socket newClient() throws IOException
{
return sslContextFactory == null ? new Socket("localhost", connector.getLocalPort())
: sslContextFactory.getSslContext().getSocketFactory().createSocket("localhost", connector.getLocalPort());
}
}

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