//
// ========================================================================
// 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.http2.server;
import java.io.IOException;
import java.io.OutputStream;
import java.net.Socket;
import java.nio.ByteBuffer;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicReference;
import org.eclipse.jetty.http.HttpFields;
import org.eclipse.jetty.http.HttpVersion;
import org.eclipse.jetty.http.MetaData;
import org.eclipse.jetty.http2.ErrorCodes;
import org.eclipse.jetty.http2.HTTP2Session;
import org.eclipse.jetty.http2.api.Session;
import org.eclipse.jetty.http2.api.Stream;
import org.eclipse.jetty.http2.api.server.ServerSessionListener;
import org.eclipse.jetty.http2.frames.GoAwayFrame;
import org.eclipse.jetty.http2.frames.HeadersFrame;
import org.eclipse.jetty.http2.frames.PrefaceFrame;
import org.eclipse.jetty.http2.parser.Parser;
import org.eclipse.jetty.io.ByteBufferPool;
import org.eclipse.jetty.util.BufferUtil;
import org.eclipse.jetty.util.Callback;
import org.junit.Assert;
import org.junit.Test;
public class CloseTest extends AbstractServerTest
{
@Test
public void testClientAbruptlyClosesConnection() throws Exception
{
final CountDownLatch closeLatch = new CountDownLatch(1);
final AtomicReference<Session> sessionRef = new AtomicReference<>();
startServer(new ServerSessionListener.Adapter()
{
@Override
public Stream.Listener onNewStream(Stream stream, HeadersFrame frame)
{
try
{
sessionRef.set(stream.getSession());
MetaData.Response response = new MetaData.Response(HttpVersion.HTTP_2, 200, new HttpFields());
// Reply with HEADERS.
stream.headers(new HeadersFrame(stream.getId(), response, null, true), Callback.Adapter.INSTANCE);
closeLatch.await(5, TimeUnit.SECONDS);
return null;
}
catch (InterruptedException x)
{
return null;
}
}
});
ByteBufferPool.Lease lease = new ByteBufferPool.Lease(byteBufferPool);
generator.control(lease, new PrefaceFrame());
MetaData.Request metaData = newRequest("GET", new HttpFields());
generator.control(lease, new HeadersFrame(1, metaData, null, true));
try (Socket client = new Socket("localhost", connector.getLocalPort()))
{
OutputStream output = client.getOutputStream();
for (ByteBuffer buffer : lease.getByteBuffers())
{
output.write(BufferUtil.toArray(buffer));
}
Parser parser = new Parser(byteBufferPool, new Parser.Listener.Adapter()
{
@Override
public boolean onHeaders(HeadersFrame frame)
{
try
{
// Close the connection just after
// receiving the response headers.
client.close();
closeLatch.countDown();
return false;
}
catch (IOException x)
{
return false;
}
}
}, 4096, 8192);
parseResponse(client, parser);
// We need to give some time to the server to receive and process the TCP FIN.
Thread.sleep(1000);
Session session = sessionRef.get();
Assert.assertTrue(session.isClosed());
Assert.assertTrue(((HTTP2Session)session).isDisconnected());
}
}
@Test
public void testClientSendsGoAwayButDoesNotCloseConnectionServerCloses() throws Exception
{
final AtomicReference<Session> sessionRef = new AtomicReference<>();
startServer(new ServerSessionListener.Adapter()
{
@Override
public Stream.Listener onNewStream(Stream stream, HeadersFrame frame)
{
sessionRef.set(stream.getSession());
MetaData.Response response = new MetaData.Response(HttpVersion.HTTP_2, 200, new HttpFields());
stream.headers(new HeadersFrame(stream.getId(), response, null, true), Callback.Adapter.INSTANCE);
return null;
}
});
ByteBufferPool.Lease lease = new ByteBufferPool.Lease(byteBufferPool);
generator.control(lease, new PrefaceFrame());
MetaData.Request metaData = newRequest("GET", new HttpFields());
generator.control(lease, new HeadersFrame(1, metaData, null, true));
generator.control(lease, new GoAwayFrame(1, ErrorCodes.NO_ERROR, "OK".getBytes("UTF-8")));
try (Socket client = new Socket("localhost", connector.getLocalPort()))
{
OutputStream output = client.getOutputStream();
for (ByteBuffer buffer : lease.getByteBuffers())
{
output.write(BufferUtil.toArray(buffer));
}
// Don't close the connection; the server should close.
final CountDownLatch responseLatch = new CountDownLatch(1);
Parser parser = new Parser(byteBufferPool, new Parser.Listener.Adapter()
{
@Override
public boolean onHeaders(HeadersFrame frame)
{
// Even if we sent the GO_AWAY immediately after the
// HEADERS, the server is able to send us the response.
responseLatch.countDown();
return false;
}
}, 4096, 8192);
parseResponse(client, parser);
Assert.assertTrue(responseLatch.await(5, TimeUnit.SECONDS));
// Wait for the server to close.
Thread.sleep(1000);
// Client received the TCP FIN from server.
Assert.assertEquals(-1, client.getInputStream().read());
// Server is closed.
Session session = sessionRef.get();
Assert.assertTrue(session.isClosed());
Assert.assertTrue(((HTTP2Session)session).isDisconnected());
}
}
@Test
public void testServerSendsGoAwayClientDoesNotCloseServerIdleTimeout() throws Exception
{
final long idleTimeout = 1000;
final AtomicReference<Session> sessionRef = new AtomicReference<>();
startServer(new ServerSessionListener.Adapter()
{
@Override
public Stream.Listener onNewStream(Stream stream, HeadersFrame frame)
{
stream.setIdleTimeout(10 * idleTimeout);
sessionRef.set(stream.getSession());
MetaData.Response response = new MetaData.Response(HttpVersion.HTTP_2, 200, new HttpFields());
stream.headers(new HeadersFrame(stream.getId(), response, null, true), Callback.Adapter.INSTANCE);
stream.getSession().close(ErrorCodes.NO_ERROR, "OK", Callback.Adapter.INSTANCE);
return null;
}
});
connector.setIdleTimeout(idleTimeout);
ByteBufferPool.Lease lease = new ByteBufferPool.Lease(byteBufferPool);
generator.control(lease, new PrefaceFrame());
MetaData.Request metaData = newRequest("GET", new HttpFields());
generator.control(lease, new HeadersFrame(1, metaData, null, true));
try (Socket client = new Socket("localhost", connector.getLocalPort()))
{
OutputStream output = client.getOutputStream();
for (ByteBuffer buffer : lease.getByteBuffers())
{
output.write(BufferUtil.toArray(buffer));
}
final CountDownLatch responseLatch = new CountDownLatch(1);
final CountDownLatch closeLatch = new CountDownLatch(1);
Parser parser = new Parser(byteBufferPool, new Parser.Listener.Adapter()
{
@Override
public boolean onHeaders(HeadersFrame frame)
{
responseLatch.countDown();
return false;
}
@Override
public boolean onGoAway(GoAwayFrame frame)
{
closeLatch.countDown();
return false;
}
}, 4096, 8192);
parseResponse(client, parser);
Assert.assertTrue(responseLatch.await(5, TimeUnit.SECONDS));
Assert.assertTrue(closeLatch.await(5, TimeUnit.SECONDS));
// Don't close the connection.
// Wait for the server to idle timeout.
Thread.sleep(2 * idleTimeout);
// Client received the TCP FIN from server.
Assert.assertEquals(-1, client.getInputStream().read());
// Server is closed.
Session session = sessionRef.get();
Assert.assertTrue(session.isClosed());
Assert.assertTrue(((HTTP2Session)session).isDisconnected());
}
}
}