| /* |
| * 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"); |
| } |
| } |
| } |
| |