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//
// ========================================================================
// Copyright (c) 1995-2016 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.client;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import org.eclipse.jetty.http.HttpFields;
import org.eclipse.jetty.http.HttpVersion;
import org.eclipse.jetty.http.MetaData;
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.HeadersFrame;
import org.eclipse.jetty.http2.frames.PriorityFrame;
import org.eclipse.jetty.util.Callback;
import org.eclipse.jetty.util.FuturePromise;
import org.eclipse.jetty.util.Promise;
import org.junit.Assert;
import org.junit.Test;
public class PriorityTest extends AbstractTest
{
@Test
public void testPriorityBeforeHeaders() throws Exception
{
start(new ServerSessionListener.Adapter()
{
@Override
public Stream.Listener onNewStream(Stream stream, HeadersFrame frame)
{
MetaData.Response metaData = new MetaData.Response(HttpVersion.HTTP_2, 200, new HttpFields());
HeadersFrame responseFrame = new HeadersFrame(stream.getId(), metaData, null, true);
stream.headers(responseFrame, Callback.NOOP);
return null;
}
});
Session session = newClient(new Session.Listener.Adapter());
int streamId = session.priority(new PriorityFrame(0, 13, false), Callback.NOOP);
Assert.assertTrue(streamId > 0);
CountDownLatch latch = new CountDownLatch(2);
MetaData metaData = newRequest("GET", new HttpFields());
HeadersFrame headersFrame = new HeadersFrame(streamId, metaData, null, true);
session.newStream(headersFrame, new Promise.Adapter<Stream>()
{
@Override
public void succeeded(Stream result)
{
Assert.assertEquals(streamId, result.getId());
latch.countDown();
}
}, new Stream.Listener.Adapter()
{
@Override
public void onHeaders(Stream stream, HeadersFrame frame)
{
if (frame.isEndStream())
latch.countDown();
}
});
Assert.assertTrue(latch.await(5, TimeUnit.SECONDS));
}
@Test
public void testPriorityAfterHeaders() throws Exception
{
CountDownLatch beforeRequests = new CountDownLatch(1);
CountDownLatch afterRequests = new CountDownLatch(2);
start(new ServerSessionListener.Adapter()
{
@Override
public Stream.Listener onNewStream(Stream stream, HeadersFrame frame)
{
try
{
beforeRequests.await(5, TimeUnit.SECONDS);
MetaData.Response metaData = new MetaData.Response(HttpVersion.HTTP_2, 200, new HttpFields());
HeadersFrame responseFrame = new HeadersFrame(stream.getId(), metaData, null, true);
stream.headers(responseFrame, Callback.NOOP);
afterRequests.countDown();
return null;
}
catch (InterruptedException x)
{
x.printStackTrace();
return null;
}
}
});
CountDownLatch responses = new CountDownLatch(2);
Stream.Listener.Adapter listener = new Stream.Listener.Adapter()
{
@Override
public void onHeaders(Stream stream, HeadersFrame frame)
{
if (frame.isEndStream())
responses.countDown();
}
};
Session session = newClient(new Session.Listener.Adapter());
MetaData metaData1 = newRequest("GET", "/one", new HttpFields());
HeadersFrame headersFrame1 = new HeadersFrame(metaData1, null, true);
FuturePromise<Stream> promise1 = new FuturePromise<>();
session.newStream(headersFrame1, promise1, listener);
Stream stream1 = promise1.get(5, TimeUnit.SECONDS);
MetaData metaData2 = newRequest("GET", "/two", new HttpFields());
HeadersFrame headersFrame2 = new HeadersFrame(metaData2, null, true);
FuturePromise<Stream> promise2 = new FuturePromise<>();
session.newStream(headersFrame2, promise2, listener);
Stream stream2 = promise2.get(5, TimeUnit.SECONDS);
int streamId = session.priority(new PriorityFrame(stream1.getId(), stream2.getId(), 13, false), Callback.NOOP);
Assert.assertEquals(stream1.getId(), streamId);
// Give time to the PRIORITY frame to arrive to server.
Thread.sleep(1000);
beforeRequests.countDown();
Assert.assertTrue(afterRequests.await(5, TimeUnit.SECONDS));
Assert.assertTrue(responses.await(5, TimeUnit.SECONDS));
}
@Test
public void testHeadersWithPriority() throws Exception
{
PriorityFrame priorityFrame = new PriorityFrame(13, 200, true);
CountDownLatch latch = new CountDownLatch(2);
start(new ServerSessionListener.Adapter()
{
@Override
public Stream.Listener onNewStream(Stream stream, HeadersFrame frame)
{
PriorityFrame priority = frame.getPriority();
Assert.assertNotNull(priority);
Assert.assertEquals(priorityFrame.getParentStreamId(), priority.getParentStreamId());
Assert.assertEquals(priorityFrame.getWeight(), priority.getWeight());
Assert.assertEquals(priorityFrame.isExclusive(), priority.isExclusive());
latch.countDown();
MetaData.Response metaData = new MetaData.Response(HttpVersion.HTTP_2, 200, new HttpFields());
HeadersFrame responseFrame = new HeadersFrame(stream.getId(), metaData, null, true);
stream.headers(responseFrame, Callback.NOOP);
return null;
}
});
Session session = newClient(new Session.Listener.Adapter());
MetaData metaData = newRequest("GET", "/one", new HttpFields());
HeadersFrame headersFrame = new HeadersFrame(metaData, priorityFrame, true);
session.newStream(headersFrame, new Promise.Adapter<>(), new Stream.Listener.Adapter()
{
@Override
public void onHeaders(Stream stream, HeadersFrame frame)
{
if (frame.isEndStream())
latch.countDown();
}
});
Assert.assertTrue(latch.await(5, TimeUnit.SECONDS));
}
}
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