//
// ========================================================================
// 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.proxy;
import static junit.framework.Assert.fail;
import static org.hamcrest.Matchers.is;
import static org.junit.Assert.assertThat;
import java.io.ByteArrayOutputStream;
import java.net.InetSocketAddress;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
import java.util.UUID;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.server.ServerConnector;
import org.eclipse.jetty.spdy.api.DataInfo;
import org.eclipse.jetty.spdy.api.ReplyInfo;
import org.eclipse.jetty.spdy.api.SPDY;
import org.eclipse.jetty.spdy.api.Session;
import org.eclipse.jetty.spdy.api.Stream;
import org.eclipse.jetty.spdy.api.StreamFrameListener;
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.spdy.client.SPDYClient;
import org.eclipse.jetty.spdy.server.SPDYServerConnectionFactory;
import org.eclipse.jetty.spdy.server.SPDYServerConnector;
import org.eclipse.jetty.spdy.server.http.SPDYTestUtils;
import org.eclipse.jetty.toolchain.test.TestTracker;
import org.eclipse.jetty.util.Callback;
import org.eclipse.jetty.util.Fields;
import org.eclipse.jetty.util.ssl.SslContextFactory;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
@RunWith(value = Parameterized.class)
public abstract class ProxySPDYToSPDYLoadTest
{
@Parameterized.Parameters
public static Collection<Short[]> parameters()
{
return Arrays.asList(new Short[]{SPDY.V2}, new Short[]{SPDY.V3});
}
@Rule
public final TestTracker tracker = new TestTracker();
private final short version;
private static final String UUID_HEADER_NAME = "uuidHeader";
private static final String SERVER_ID_HEADER = "serverId";
private SPDYClient.Factory factory;
private Server server;
private Server proxy;
private ServerConnector proxyConnector;
private SslContextFactory sslContextFactory = SPDYTestUtils.newSslContextFactory();
public ProxySPDYToSPDYLoadTest(short version)
{
this.version = version;
}
protected InetSocketAddress startServer(ServerSessionFrameListener listener) throws Exception
{
server = new Server();
SPDYServerConnector serverConnector = new SPDYServerConnector(server, sslContextFactory, listener);
serverConnector.addConnectionFactory(new SPDYServerConnectionFactory(version, listener));
serverConnector.setPort(0);
server.addConnector(serverConnector);
server.start();
return new InetSocketAddress("localhost", serverConnector.getLocalPort());
}
protected InetSocketAddress startProxy(InetSocketAddress server1, InetSocketAddress server2) throws Exception
{
proxy = new Server();
ProxyEngineSelector proxyEngineSelector = new ProxyEngineSelector();
SPDYProxyEngine spdyProxyEngine = new SPDYProxyEngine(factory);
proxyEngineSelector.putProxyEngine("spdy/" + version, spdyProxyEngine);
proxyEngineSelector.putProxyServerInfo("localhost", new ProxyEngineSelector.ProxyServerInfo("spdy/" + version,
"localhost", server1.getPort()));
// server2 will be available at two different ProxyServerInfos with different hosts
proxyEngineSelector.putProxyServerInfo("127.0.0.1", new ProxyEngineSelector.ProxyServerInfo("spdy/" + version,
"127.0.0.1", server2.getPort()));
// ProxyServerInfo is mapped to 127.0.0.2 in the proxyEngineSelector. However to be able to connect the
// ProxyServerInfo contains 127.0.0.1 as target host
proxyEngineSelector.putProxyServerInfo("127.0.0.2", new ProxyEngineSelector.ProxyServerInfo("spdy/" + version,
"127.0.0.1", server2.getPort()));
proxyConnector = new HTTPSPDYProxyServerConnector(proxy, sslContextFactory, proxyEngineSelector);
proxyConnector.setPort(0);
proxy.addConnector(proxyConnector);
proxy.start();
return new InetSocketAddress("localhost", proxyConnector.getLocalPort());
}
@Before
public void init() throws Exception
{
factory = new SPDYClient.Factory(sslContextFactory);
factory.start();
}
@After
public void destroy() throws Exception
{
server.stop();
server.join();
proxy.stop();
proxy.join();
factory.stop();
}
@Test
public void testSimpleLoadTest() throws Exception
{
String server1String = "server1";
String server2String = "server2";
InetSocketAddress server1 = startServer(new TestServerFrameListener(server1String));
InetSocketAddress server2 = startServer(new TestServerFrameListener(server2String));
final InetSocketAddress proxyAddress = startProxy(server1, server2);
final int requestsPerClient = 50;
ExecutorService executorService = Executors.newFixedThreadPool(3);
Runnable client1 = createClientRunnable(proxyAddress, requestsPerClient, server1String, "localhost");
Runnable client2 = createClientRunnable(proxyAddress, requestsPerClient, server2String, "127.0.0.1");
Runnable client3 = createClientRunnable(proxyAddress, requestsPerClient, server2String, "127.0.0.2");
List<Future> futures = new ArrayList<>();
futures.add(executorService.submit(client1));
futures.add(executorService.submit(client2));
futures.add(executorService.submit(client3));
for (Future future : futures)
{
future.get(60, TimeUnit.SECONDS);
}
}
private Runnable createClientRunnable(final InetSocketAddress proxyAddress, final int requestsPerClient,
final String serverIdentificationString, final String serverHost)
{
Runnable client = new Runnable()
{
@Override
public void run()
{
try
{
Session client = factory.newSPDYClient(version).connect(proxyAddress, null);
for (int i = 0; i < requestsPerClient; i++)
{
sendSingleClientRequest(proxyAddress, client, serverIdentificationString, serverHost);
}
}
catch (InterruptedException | ExecutionException | TimeoutException e)
{
fail();
e.printStackTrace();
}
}
};
return client;
}
private void sendSingleClientRequest(InetSocketAddress proxyAddress, Session client, final String serverIdentificationString, String serverHost) throws ExecutionException, InterruptedException, TimeoutException
{
final String uuid = UUID.randomUUID().toString();
final CountDownLatch replyLatch = new CountDownLatch(1);
final CountDownLatch dataLatch = new CountDownLatch(1);
Fields headers = SPDYTestUtils.createHeaders(serverHost, proxyAddress.getPort(), version, "POST", "/");
headers.add(UUID_HEADER_NAME, uuid);
Stream stream = client.syn(new SynInfo(headers, false), new StreamFrameListener.Adapter()
{
private final ByteArrayOutputStream result = new ByteArrayOutputStream();
@Override
public void onReply(Stream stream, ReplyInfo replyInfo)
{
Fields headers = replyInfo.getHeaders();
assertThat("uuid matches expected uuid", headers.get(UUID_HEADER_NAME).getValue(), is(uuid));
assertThat("response comes from the given server", headers.get(SERVER_ID_HEADER).getValue(),
is(serverIdentificationString));
replyLatch.countDown();
}
@Override
public void onData(Stream stream, DataInfo dataInfo)
{
result.write(dataInfo.asBytes(true), 0, dataInfo.length());
if (dataInfo.isClose())
{
assertThat("received data matches send data", uuid, is(result.toString()));
dataLatch.countDown();
}
}
});
stream.data(new StringDataInfo(uuid, true), new Callback.Adapter());
assertThat("reply has been received", replyLatch.await(5, TimeUnit.SECONDS), is(true));
assertThat("data has been received", dataLatch.await(5, TimeUnit.SECONDS), is(true));
}
private class TestServerFrameListener extends ServerSessionFrameListener.Adapter
{
private String serverId;
private TestServerFrameListener(String serverId)
{
this.serverId = serverId;
}
@Override
public StreamFrameListener onSyn(Stream stream, SynInfo synInfo)
{
Fields requestHeaders = synInfo.getHeaders();
Assert.assertNotNull(requestHeaders.get("via"));
Fields.Field uuidHeader = requestHeaders.get(UUID_HEADER_NAME);
Assert.assertNotNull(uuidHeader);
Fields responseHeaders = new Fields();
responseHeaders.put(UUID_HEADER_NAME, uuidHeader.getValue());
responseHeaders.put(SERVER_ID_HEADER, serverId);
stream.reply(new ReplyInfo(responseHeaders, false), new Callback.Adapter());
return new StreamFrameListener.Adapter()
{
@Override
public void onData(Stream stream, DataInfo dataInfo)
{
stream.data(dataInfo, new Callback.Adapter());
}
};
}
}
}