| /* |
| * Copyright (c) 2006, 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 |
| * @bug 6446990 |
| * @run main/othervm TestAvailable |
| * @summary HttpURLConnection#available() reads more and more data into memory |
| */ |
| |
| import java.net.*; |
| import java.util.*; |
| import java.io.*; |
| import com.sun.net.httpserver.*; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.ExecutorService; |
| |
| public class TestAvailable |
| { |
| com.sun.net.httpserver.HttpServer httpServer; |
| ExecutorService executorService; |
| |
| public static void main(String[] args) |
| { |
| new TestAvailable(); |
| } |
| |
| public TestAvailable() |
| { |
| try { |
| startHttpServer(); |
| doClient(); |
| } catch (IOException ioe) { |
| System.err.println(ioe); |
| } |
| } |
| |
| void doClient() { |
| try { |
| InetSocketAddress address = httpServer.getAddress(); |
| |
| URL url = new URL("http://localhost:" + address.getPort() + "/testAvailable/"); |
| HttpURLConnection uc = (HttpURLConnection)url.openConnection(); |
| |
| uc.setDoOutput(true); |
| uc.setRequestMethod("POST"); |
| uc.setChunkedStreamingMode(0); |
| OutputStream os = uc.getOutputStream(); |
| for (int i=0; i< (128 * 1024); i++) |
| os.write('X'); |
| os.close(); |
| |
| InputStream is = uc.getInputStream(); |
| int avail = 0; |
| while (avail == 0) { |
| try { Thread.sleep(2000); } catch (Exception e) {} |
| avail = is.available(); |
| } |
| |
| try { Thread.sleep(2000); } catch (Exception e) {} |
| int nextAvail = is.available(); |
| |
| is.close(); |
| |
| if (nextAvail > avail) { |
| throw new RuntimeException |
| ("Failed: calling available multiple times should not return more data"); |
| } |
| |
| } catch (IOException e) { |
| throw new RuntimeException(e); |
| } finally { |
| httpServer.stop(1); |
| executorService.shutdown(); |
| } |
| |
| |
| } |
| |
| /** |
| * Http Server |
| */ |
| public void startHttpServer() throws IOException { |
| httpServer = com.sun.net.httpserver.HttpServer.create(new InetSocketAddress(0), 0); |
| |
| // create HttpServer context |
| HttpContext ctx = httpServer.createContext("/testAvailable/", new MyHandler()); |
| |
| executorService = Executors.newCachedThreadPool(); |
| httpServer.setExecutor(executorService); |
| httpServer.start(); |
| } |
| |
| class MyHandler implements HttpHandler { |
| public void handle(HttpExchange t) throws IOException { |
| InputStream is = t.getRequestBody(); |
| byte[] ba = new byte[1024]; |
| while (is.read(ba) != -1); |
| is.close(); |
| |
| t.sendResponseHeaders(200, 0); |
| |
| OutputStream os = t.getResponseBody(); |
| for (int i=0; i< (128 * 1024); i++) |
| os.write('X'); |
| os.close(); |
| |
| t.close(); |
| } |
| } |
| } |