//
// ========================================================================
// 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.spdy.server;
import static org.hamcrest.Matchers.is;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicReference;
import org.eclipse.jetty.spdy.api.DataInfo;
import org.eclipse.jetty.spdy.api.RstInfo;
import org.eclipse.jetty.spdy.api.Session;
import org.eclipse.jetty.spdy.api.SessionFrameListener;
import org.eclipse.jetty.spdy.api.Stream;
import org.eclipse.jetty.spdy.api.StreamFrameListener;
import org.eclipse.jetty.spdy.api.StreamStatus;
import org.eclipse.jetty.spdy.api.StringDataInfo;
import org.eclipse.jetty.spdy.api.SynInfo;
import org.eclipse.jetty.spdy.api.server.ServerSessionFrameListener;
import org.eclipse.jetty.util.Callback;
import org.eclipse.jetty.util.Fields;
import org.eclipse.jetty.util.FutureCallback;
import org.junit.Test;
public class ResetStreamTest extends AbstractTest
{
@Test
public void testResetStreamIsRemoved() throws Exception
{
Session session = startClient(startServer(new ServerSessionFrameListener.Adapter()/*TODO, true*/), null);
Stream stream = session.syn(new SynInfo(5, TimeUnit.SECONDS, new Fields(), false, (byte)0), null);
session.rst(new RstInfo(5, TimeUnit.SECONDS, stream.getId(), StreamStatus.CANCEL_STREAM));
assertEquals("session expected to contain 0 streams", 0, session.getStreams().size());
}
@Test
public void testRefusedStreamIsRemoved() throws Exception
{
final AtomicReference<Session> serverSessionRef = new AtomicReference<>();
final CountDownLatch synLatch = new CountDownLatch(1);
final CountDownLatch rstLatch = new CountDownLatch(1);
Session clientSession = startClient(startServer(new ServerSessionFrameListener.Adapter()
{
@Override
public StreamFrameListener onSyn(Stream stream, SynInfo synInfo)
{
Session serverSession = stream.getSession();
serverSessionRef.set(serverSession);
serverSession.rst(new RstInfo(stream.getId(), StreamStatus.REFUSED_STREAM), new FutureCallback());
synLatch.countDown();
return null;
}
}), new SessionFrameListener.Adapter()
{
@Override
public void onRst(Session session, RstInfo rstInfo)
{
rstLatch.countDown();
}
});
Stream stream = clientSession.syn(new SynInfo(5, TimeUnit.SECONDS, new Fields(), false, (byte)0), null);
assertTrue("syncLatch didn't count down", synLatch.await(5, TimeUnit.SECONDS));
Session serverSession = serverSessionRef.get();
assertEquals("serverSession expected to contain 0 streams", 0, serverSession.getStreams().size());
assertTrue("rstLatch didn't count down", rstLatch.await(5, TimeUnit.SECONDS));
// Need to sleep a while to give the chance to the implementation to remove the stream
TimeUnit.SECONDS.sleep(1);
assertTrue("stream is expected to be reset", stream.isReset());
assertEquals("clientSession expected to contain 0 streams", 0, clientSession.getStreams().size());
}
@Test
public void testRefusedStreamIgnoresData() throws Exception
{
final CountDownLatch synLatch = new CountDownLatch(1);
final CountDownLatch dataLatch = new CountDownLatch(1);
final CountDownLatch rstLatch = new CountDownLatch(1);
Session session = startClient(startServer(new ServerSessionFrameListener.Adapter()
{
@Override
public StreamFrameListener onSyn(Stream stream, SynInfo synInfo)
{
try
{
// Refuse the stream, we must ignore data frames
assertTrue(synLatch.await(5, TimeUnit.SECONDS));
stream.getSession().rst(new RstInfo(stream.getId(), StreamStatus.REFUSED_STREAM), new FutureCallback());
return new StreamFrameListener.Adapter()
{
@Override
public void onData(Stream stream, DataInfo dataInfo)
{
dataLatch.countDown();
}
};
}
catch (InterruptedException x)
{
x.printStackTrace();
return null;
}
}
}), new SessionFrameListener.Adapter()
{
@Override
public void onRst(Session session, RstInfo rstInfo)
{
rstLatch.countDown();
}
});
Stream stream = session.syn(new SynInfo(5, TimeUnit.SECONDS, new Fields(), false, (byte)0), null);
stream.data(new StringDataInfo(5, TimeUnit.SECONDS, "data", true), new Callback.Adapter()
{
@Override
public void succeeded()
{
synLatch.countDown();
}
});
assertTrue("rstLatch didn't count down", rstLatch.await(5, TimeUnit.SECONDS));
assertTrue("stream is expected to be reset", stream.isReset());
assertFalse("dataLatch shouldn't be count down", dataLatch.await(1, TimeUnit.SECONDS));
}
@Test
public void testResetAfterServerReceivedFirstDataFrameAndSecondDataFrameFails() throws Exception
{
final CountDownLatch synLatch = new CountDownLatch(1);
final CountDownLatch dataLatch = new CountDownLatch(1);
final CountDownLatch rstLatch = new CountDownLatch(1);
final CountDownLatch failLatch = new CountDownLatch(1);
Session session = startClient(startServer(new ServerSessionFrameListener.Adapter()
{
@Override
public StreamFrameListener onSyn(Stream stream, SynInfo synInfo)
{
synLatch.countDown();
return new StreamFrameListener.Adapter()
{
@Override
public void onData(Stream stream, DataInfo dataInfo)
{
dataLatch.countDown();
stream.getSession().rst(new RstInfo(stream.getId(), StreamStatus.REFUSED_STREAM), new FutureCallback());
}
};
}
}), new SessionFrameListener.Adapter()
{
@Override
public void onRst(Session session, RstInfo rstInfo)
{
rstLatch.countDown();
}
});
Stream stream = session.syn(new SynInfo(5, TimeUnit.SECONDS, new Fields(), false, (byte)0), null);
assertThat("push is received by server", synLatch.await(5, TimeUnit.SECONDS), is(true));
stream.data(new StringDataInfo(5, TimeUnit.SECONDS, "data", false), new Callback.Adapter());
assertThat("stream is reset", rstLatch.await(5, TimeUnit.SECONDS), is(true));
stream.data(new StringDataInfo(5, TimeUnit.SECONDS, "2nd dataframe", false), new Callback.Adapter()
{
@Override
public void failed(Throwable x)
{
failLatch.countDown();
}
});
assertThat("2nd data call failed", failLatch.await(5, TimeUnit.SECONDS), is(true));
assertThat("stream is reset", stream.isReset(), is(true));
}
// TODO: If server already received 2nd dataframe after it rst, it should ignore it. Not easy to do.
}