| /* |
| * 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. |
| */ |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.net.InetAddress; |
| import java.net.InetSocketAddress; |
| import java.net.ServerSocket; |
| import java.net.Socket; |
| 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.nio.ByteBuffer; |
| import java.nio.charset.StandardCharsets; |
| import java.util.List; |
| import java.util.concurrent.CompletableFuture; |
| import java.util.concurrent.CompletionStage; |
| import java.util.concurrent.Flow; |
| |
| /** |
| * @test |
| * @bug 8212926 |
| * @summary Basic tests for response timeouts |
| * @run main/othervm LargeResponseContent |
| */ |
| |
| public class LargeResponseContent { |
| final ServerSocket server; |
| final int port; |
| |
| public LargeResponseContent() throws Exception { |
| server = new ServerSocket(0, 10, InetAddress.getLoopbackAddress()); |
| Thread serverThread = new Thread(this::handleConnection); |
| serverThread.setDaemon(false); |
| port = server.getLocalPort(); |
| serverThread.start(); |
| } |
| |
| void runClient() throws IOException, InterruptedException { |
| URI uri = URI.create("http://127.0.0.1:" + Integer.toString(port) + "/foo"); |
| HttpClient client = HttpClient.newHttpClient(); |
| HttpRequest request = HttpRequest.newBuilder(uri) |
| .GET() |
| .build(); |
| HttpResponse<Long> response = client.send(request, new ClientHandler()); |
| System.out.println("Response code = " + response.statusCode()); |
| long blen = response.body(); |
| if (blen != CONTENT_LEN) |
| throw new RuntimeException("wrong content length"); |
| } |
| |
| public static void main(String[] args) throws Exception { |
| System.out.println ("CONTENT_LEN = " + CONTENT_LEN); |
| System.out.println ("CLEN_STR = " + CLEN_STR); |
| LargeResponseContent test = new LargeResponseContent(); |
| test.runClient(); |
| } |
| |
| static class ClientHandler implements HttpResponse.BodyHandler<Long> { |
| |
| @Override |
| public HttpResponse.BodySubscriber<Long> apply(HttpResponse.ResponseInfo responseInfo) { |
| HttpHeaders headers = responseInfo.headers(); |
| headers.firstValue("content-length"); |
| long clen = headers.firstValueAsLong("content-length").orElse(-1); |
| if (clen != CONTENT_LEN) |
| return new Subscriber(new RuntimeException("Wrong content length received")); |
| return new Subscriber(null); |
| } |
| } |
| |
| static class Subscriber implements HttpResponse.BodySubscriber<Long> { |
| final CompletableFuture<Long> cf = new CompletableFuture<>(); |
| volatile Flow.Subscription subscription; |
| volatile long counter = 0; |
| |
| Subscriber(Throwable t) { |
| if (t != null) |
| cf.completeExceptionally(t); |
| } |
| |
| @Override |
| public CompletionStage<Long> getBody() { |
| return cf; |
| } |
| |
| @Override |
| public void onSubscribe(Flow.Subscription subscription) { |
| this.subscription = subscription; |
| subscription.request(Long.MAX_VALUE); |
| } |
| |
| @Override |
| public void onNext(List<ByteBuffer> item) { |
| long v = 0; |
| for (ByteBuffer b : item) |
| v+= b.remaining(); |
| counter += v; |
| } |
| |
| @Override |
| public void onError(Throwable throwable) { |
| throwable.printStackTrace(); |
| } |
| |
| @Override |
| public void onComplete() { |
| cf.complete(counter); |
| } |
| } |
| |
| static final long CONTENT_LEN = Integer.MAX_VALUE + 1000L; |
| static final String CLEN_STR = Long.valueOf(CONTENT_LEN).toString(); |
| |
| static String RESPONSE = "HTTP/1.1 200 OK\r\n" + |
| "Content-length: " + CLEN_STR + "\r\n" + |
| "\r\n"; |
| |
| |
| void readHeaders(InputStream is) throws IOException { |
| String s = ""; |
| byte[] buf = new byte[128]; |
| while (!s.endsWith("\r\n\r\n")) { |
| int c = is.read(buf); |
| String f = new String(buf, 0, c, StandardCharsets.ISO_8859_1); |
| s = s + f; |
| } |
| } |
| |
| public void handleConnection() { |
| long remaining = CONTENT_LEN; |
| try { |
| Socket socket = server.accept(); |
| InputStream is = socket.getInputStream(); |
| readHeaders(is); // read first byte |
| OutputStream os = socket.getOutputStream(); |
| os.write(RESPONSE.getBytes()); |
| byte[] buf = new byte[64 * 1024]; |
| while (remaining > 0) { |
| int amount = (int)Math.min(remaining, buf.length); |
| os.write(buf, 0, amount); |
| remaining -= amount; |
| } |
| System.out.println("Server: finished writing"); |
| os.close(); |
| |
| } catch (IOException e) { |
| long sent = CONTENT_LEN - remaining; |
| System.out.println("Sent " + sent); |
| e.printStackTrace(); |
| } |
| } |
| } |
| |