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/*
* Copyright (c) 2007, 2019, 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 6518816
* @library /test/lib
* @modules jdk.httpserver
* @run main/othervm B6518816
*/
import java.net.*;
import java.util.*;
import java.io.*;
import com.sun.net.httpserver.*;
import java.util.concurrent.Executors;
import java.util.concurrent.ExecutorService;
import jdk.test.lib.net.URIBuilder;
public class B6518816
{
com.sun.net.httpserver.HttpServer httpServer;
ExecutorService executorService;
public static void main(String[] args)
{
new B6518816();
}
public B6518816()
{
try {
startHttpServer();
doClient();
} catch (IOException ioe) {
System.err.println(ioe);
}
}
final static int MAX_CONNS = 10;
final static int TEN_MB = 10 * 1024 * 1024;
static boolean stopped = false;
/*
* we send approx 100MB and if more than 90MB is retained
* then the bug is still there
*/
void doClient() {
try {
InetSocketAddress address = httpServer.getAddress();
List<HttpURLConnection> conns = new LinkedList<HttpURLConnection>();
long totalmem1=0, totalmem2=0;
System.gc();
Runtime runtime = Runtime.getRuntime();
totalmem1 = runtime.totalMemory() - runtime.freeMemory();
System.out.println ("Sending " + (TEN_MB*MAX_CONNS/1024) + " KB");
System.out.println ("At start: " + totalmem1/1024 + " KB");
byte [] buf = new byte [TEN_MB];
for (int j=0; j<MAX_CONNS; j++) {
URL url = URIBuilder.newBuilder()
.scheme("http")
.loopback()
.port(address.getPort())
.path("/test/")
.toURLUnchecked();
HttpURLConnection uc = (HttpURLConnection)url.openConnection();
uc.setDoOutput (true);
OutputStream os = uc.getOutputStream ();
os.write (buf);
InputStream is = uc.getInputStream();
int resp = uc.getResponseCode();
if (resp != 200) {
throw new RuntimeException("Failed: Part 1, Response code is not 200");
}
while (is.read() != -1) ;
is.close();
conns.add (uc);
}
httpServer.stop(1);
httpServer = null;
executorService.shutdown();
executorService = null;
stopped = true;
buf = null;
System.runFinalization();
try {Thread.sleep (1000); } catch (InterruptedException e){}
System.gc();
try {Thread.sleep (1000); } catch (InterruptedException e){}
System.gc();
totalmem2 = runtime.totalMemory() - runtime.freeMemory();
System.out.println ("At end: " + totalmem2/1024 + " KB");
long diff = (totalmem2 - totalmem1) ;;
System.out.println ("Diff " + diff/1024 + " kbytes ");
if (diff > (TEN_MB*MAX_CONNS*0.9)) {
/* if >= 90 MB retained, then problem still there */
throw new RuntimeException ("Excessive memory retained");
}
} catch (IOException e) {
e.printStackTrace();
throw new RuntimeException ("IOException");
} finally {
if (!stopped) {
httpServer.stop(1);
executorService.shutdown();
}
}
}
/**
* Http Server
*/
public void startHttpServer() throws IOException {
httpServer = com.sun.net.httpserver.HttpServer.create(
new InetSocketAddress(InetAddress.getLoopbackAddress(), 0),
0);
// create HttpServer context for Part 1.
HttpContext ctx = httpServer.createContext("/test/", 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();
Headers reqHeaders = t.getRequestHeaders();
Headers resHeaders = t.getResponseHeaders();
byte[] buf = new byte [16 * 1024];
while (is.read (buf) != -1) ;
t.sendResponseHeaders(200, -1);
t.close();
}
}
}
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