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/*
* Copyright (c) 2006, 2016, 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
* @modules jdk.httpserver
* @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();
}
}
}
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