/*
* JBoss, Home of Professional Open Source.
* Copyright 2014 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.undertow.server.handlers.proxy;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.ArrayDeque;
import java.util.Deque;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import org.apache.http.Header;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.junit.Assert;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.xnio.FutureResult;
import org.xnio.IoFuture;
import org.xnio.OptionMap;
import org.xnio.Options;
import io.undertow.Undertow;
import io.undertow.UndertowOptions;
import io.undertow.client.ClientCallback;
import io.undertow.client.ClientConnection;
import io.undertow.client.ClientExchange;
import io.undertow.client.ClientRequest;
import io.undertow.client.UndertowClient;
import io.undertow.protocols.ssl.UndertowXnioSsl;
import io.undertow.server.HttpHandler;
import io.undertow.server.HttpServerExchange;
import io.undertow.server.handlers.ResponseCodeHandler;
import io.undertow.server.protocol.http2.Http2ServerConnection;
import io.undertow.testutils.DefaultServer;
import io.undertow.testutils.HttpClientUtils;
import io.undertow.testutils.TestHttpClient;
import io.undertow.util.HttpString;
import io.undertow.util.Methods;
import io.undertow.util.Protocols;
import io.undertow.util.StatusCodes;
import io.undertow.util.StringReadChannelListener;
/**
* Tests the load balancing proxy
*
* @author Stuart Douglas
*/
@RunWith(DefaultServer.class)
public class LoadBalancingProxyHTTP2TestCase extends AbstractLoadBalancingProxyTestCase {
@BeforeClass
public static void setup() throws URISyntaxException {
int port = DefaultServer.getHostPort("default");
final HttpHandler handler1 = getRootHandler("s1", "server1");
server1 = Undertow.builder()
.addHttpsListener(port + 1, DefaultServer.getHostAddress("default"), DefaultServer.getServerSslContext())
.setServerOption(UndertowOptions.ENABLE_HTTP2, true)
.setServerOption(UndertowOptions.NO_REQUEST_TIMEOUT, IDLE_TIMEOUT)
.setSocketOption(Options.REUSE_ADDRESSES, true)
.setHandler(new HttpHandler() {
@Override
public void handleRequest(HttpServerExchange exchange) throws Exception {
if (!(exchange.getConnection() instanceof Http2ServerConnection)) {
throw new RuntimeException("Not HTTP2");
}
exchange.getResponseHeaders().add(new HttpString("X-Custom-Header"), "foo");
handler1.handleRequest(exchange);
}
})
.build();
final HttpHandler handler2 = getRootHandler("s2", "server2");
server2 = Undertow.builder()
.addHttpsListener(port + 2, DefaultServer.getHostAddress("default"), DefaultServer.getServerSslContext())
.setServerOption(UndertowOptions.ENABLE_HTTP2, true)
.setSocketOption(Options.REUSE_ADDRESSES, true)
.setServerOption(UndertowOptions.NO_REQUEST_TIMEOUT, IDLE_TIMEOUT)
.setHandler(new HttpHandler() {
@Override
public void handleRequest(HttpServerExchange exchange) throws Exception {
if (!(exchange.getConnection() instanceof Http2ServerConnection)) {
throw new RuntimeException("Not HTTP2");
}
exchange.getResponseHeaders().add(new HttpString("X-Custom-Header"), "foo");
handler2.handleRequest(exchange);
}
})
.build();
server1.start();
server2.start();
UndertowXnioSsl ssl = new UndertowXnioSsl(DefaultServer.getWorker().getXnio(), OptionMap.EMPTY, DefaultServer.SSL_BUFFER_POOL, DefaultServer.createClientSslContext());
DefaultServer.setRootHandler(new ProxyHandler(new LoadBalancingProxyClient()
.setConnectionsPerThread(4)
.addHost(new URI("https", null, DefaultServer.getHostAddress("default"), port + 1, null, null, null), "s1", ssl, OptionMap.create(UndertowOptions.ENABLE_HTTP2, true))
.addHost(new URI("https", null, DefaultServer.getHostAddress("default"), port + 2, null, null, null), "s2", ssl, OptionMap.create(UndertowOptions.ENABLE_HTTP2, true))
, 10000, ResponseCodeHandler.HANDLE_404, false, false, 2));
}
@Before
public void requireAlpn() {
DefaultServer.assumeAlpnEnabled();
}
@Test
public void testHeadersAreLowercase() throws IOException {
TestHttpClient client = new TestHttpClient();
try {
HttpGet get = new HttpGet(DefaultServer.getDefaultServerURL() + "/name");
HttpResponse result = client.execute(get);
Assert.assertEquals(StatusCodes.OK, result.getStatusLine().getStatusCode());
HttpClientUtils.readResponse(result);
Header header = result.getFirstHeader("x-custom-header");
Assert.assertEquals("x-custom-header", header.getName());
} finally {
client.getConnectionManager().shutdown();
}
}
@Test
public void testHttp2ClientMultipleStreamsThreadSafety() throws IOException, URISyntaxException, ExecutionException, InterruptedException, TimeoutException {
//not actually a proxy test
//but convent to put it here
UndertowXnioSsl ssl = new UndertowXnioSsl(DefaultServer.getWorker().getXnio(), OptionMap.EMPTY, DefaultServer.SSL_BUFFER_POOL, DefaultServer.createClientSslContext());
final UndertowClient client = UndertowClient.getInstance();
final ClientConnection connection = client.connect(new URI("https", null, DefaultServer.getHostAddress(), DefaultServer.getHostPort() + 1, "/", null, null), DefaultServer.getWorker(), ssl, DefaultServer.getBufferPool(), OptionMap.create(UndertowOptions.ENABLE_HTTP2, true)).get();
final ExecutorService service = Executors.newFixedThreadPool(10);
try {
Deque<FutureResult<String>> futures = new ArrayDeque<>();
for (int i = 0; i < 100; ++i) {
final FutureResult<String> future = new FutureResult<>();
futures.add(future);
service.submit(new Callable<String>() {
@Override
public String call() throws Exception {
ClientRequest cr = new ClientRequest()
.setMethod(Methods.GET)
.setPath("/path")
.setProtocol(Protocols.HTTP_1_1);
connection.sendRequest(cr, new ClientCallback<ClientExchange>() {
@Override
public void completed(ClientExchange result) {
result.setResponseListener(new ClientCallback<ClientExchange>() {
@Override
public void completed(ClientExchange result) {
new StringReadChannelListener(DefaultServer.getBufferPool()) {
@Override
protected void stringDone(String string) {
future.setResult(string);
}
@Override
protected void error(IOException e) {
future.setException(e);
}
}.setup(result.getResponseChannel());
}
@Override
public void failed(IOException e) {
future.setException(e);
}
});
}
@Override
public void failed(IOException e) {
future.setException(e);
}
});
return null;
}
});
}
while (!futures.isEmpty()) {
FutureResult<String> future = futures.poll();
Assert.assertNotEquals(IoFuture.Status.WAITING, future.getIoFuture().awaitInterruptibly(10, TimeUnit.SECONDS));
Assert.assertEquals("/path", future.getIoFuture().get());
}
} finally {
service.shutdownNow();
}
}
}