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/*
* Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @library /lib/testlibrary server
* @build jdk.testlibrary.SimpleSSLContext
* @modules java.base/sun.net.www.http
* java.net.http/jdk.internal.net.http.common
* java.net.http/jdk.internal.net.http.frame
* java.net.http/jdk.internal.net.http.hpack
* @run testng/othervm
* -Djdk.internal.httpclient.debug=true
* -Djdk.httpclient.HttpClient.log=errors,requests,responses,trace
* ImplicitPushCancel
*/
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpHeaders;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
import java.net.http.HttpResponse.BodyHandlers;
import java.net.http.HttpResponse.PushPromiseHandler;
import java.util.Collections;
import java.util.Map;
import java.util.Objects;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import org.testng.annotations.AfterTest;
import org.testng.annotations.BeforeTest;
import org.testng.annotations.Test;
import static java.nio.charset.StandardCharsets.UTF_8;
import static org.testng.Assert.assertEquals;
public class ImplicitPushCancel {
static Map<String,String> PUSH_PROMISES = Map.of(
"/x/y/z/1", "the first push promise body",
"/x/y/z/2", "the second push promise body",
"/x/y/z/3", "the third push promise body",
"/x/y/z/4", "the fourth push promise body",
"/x/y/z/5", "the fifth push promise body",
"/x/y/z/6", "the sixth push promise body",
"/x/y/z/7", "the seventh push promise body",
"/x/y/z/8", "the eight push promise body",
"/x/y/z/9", "the ninth push promise body"
);
static final String MAIN_RESPONSE_BODY = "the main response body";
Http2TestServer server;
URI uri;
@BeforeTest
public void setup() throws Exception {
server = new Http2TestServer(false, 0);
Http2Handler handler = new ServerPushHandler(MAIN_RESPONSE_BODY,
PUSH_PROMISES);
server.addHandler(handler, "/");
server.start();
int port = server.getAddress().getPort();
System.err.println("Server listening on port " + port);
uri = new URI("http://localhost:" + port + "/foo/a/b/c");
}
@AfterTest
public void teardown() {
server.stop();
}
static final <T> HttpResponse<T> assert200ResponseCode(HttpResponse<T> response) {
assertEquals(response.statusCode(), 200);
return response;
}
/*
* With a handler not capable of accepting push promises, then all push
* promises should be rejected / cancelled, without interfering with the
* main response.
*/
@Test
public void test() throws Exception {
HttpClient client = HttpClient.newHttpClient();
client.sendAsync(HttpRequest.newBuilder(uri).build(), BodyHandlers.ofString())
.thenApply(ImplicitPushCancel::assert200ResponseCode)
.thenApply(HttpResponse::body)
.thenAccept(body -> body.equals(MAIN_RESPONSE_BODY))
.join();
ConcurrentMap<HttpRequest, CompletableFuture<HttpResponse<String>>> promises
= new ConcurrentHashMap<>();
PushPromiseHandler<String> pph = PushPromiseHandler
.of((r) -> BodyHandlers.ofString(), promises);
HttpResponse<String> main = client.sendAsync(
HttpRequest.newBuilder(uri).build(),
BodyHandlers.ofString(),
pph)
.join();
promises.entrySet().stream().forEach(e -> System.out.println(e.getKey() + ":" + e.getValue().join().body()));
promises.putIfAbsent(main.request(), CompletableFuture.completedFuture(main));
promises.entrySet().stream().forEach(entry -> {
HttpRequest request = entry.getKey();
HttpResponse<String> response = entry.getValue().join();
assertEquals(response.statusCode(), 200);
if (PUSH_PROMISES.containsKey(request.uri().getPath())) {
assertEquals(response.body(), PUSH_PROMISES.get(request.uri().getPath()));
} else {
assertEquals(response.body(), MAIN_RESPONSE_BODY);
}
} );
}
// --- server push handler ---
static class ServerPushHandler implements Http2Handler {
private final String mainResponseBody;
private final Map<String,String> promises;
public ServerPushHandler(String mainResponseBody,
Map<String,String> promises)
throws Exception
{
Objects.requireNonNull(promises);
this.mainResponseBody = mainResponseBody;
this.promises = promises;
}
public void handle(Http2TestExchange exchange) throws IOException {
System.err.println("Server: handle " + exchange);
try (InputStream is = exchange.getRequestBody()) {
is.readAllBytes();
}
if (exchange.serverPushAllowed()) {
pushPromises(exchange);
}
// response data for the main response
try (OutputStream os = exchange.getResponseBody()) {
byte[] bytes = mainResponseBody.getBytes(UTF_8);
exchange.sendResponseHeaders(200, bytes.length);
os.write(bytes);
}
}
private void pushPromises(Http2TestExchange exchange) throws IOException {
URI requestURI = exchange.getRequestURI();
for (Map.Entry<String,String> promise : promises.entrySet()) {
URI uri = requestURI.resolve(promise.getKey());
InputStream is = new ByteArrayInputStream(promise.getValue().getBytes(UTF_8));
HttpHeaders headers = HttpHeaders.of(Collections.emptyMap(), (x, y) -> true);
exchange.serverPush(uri, headers, is);
}
System.err.println("Server: All pushes sent");
}
}
}
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