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/*
* Copyright (c) 2022, 2024, 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 8278067
* @library /test/lib
* @run main/othervm -Dhttp.keepAlive.time.server=30 KeepAliveProperty long
* @run main/othervm -Dhttp.keepAlive.time.server=1 KeepAliveProperty short
* @run main/othervm -ea -Dhttp.keepAlive.time.server=0 KeepAliveProperty short
*/
import java.io.BufferedOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintStream;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.URL;
import java.nio.charset.StandardCharsets;
import java.util.logging.ConsoleHandler;
import java.util.logging.Level;
import java.util.logging.Logger;
import jdk.test.lib.net.URIBuilder;
import static java.net.Proxy.NO_PROXY;
public class KeepAliveProperty {
static volatile boolean pass = false;
static Logger logger = Logger.getLogger("sun.net.www.protocol.http.HttpURLConnection");
static class Server extends Thread {
final ServerSocket server;
Server (ServerSocket server) {
super ();
this.server = server;
}
void readAll (Socket s) throws IOException {
byte[] buf = new byte [128];
int c;
String request = "";
InputStream is = s.getInputStream ();
while ((c=is.read(buf)) > 0) {
request += new String(buf, 0, c, StandardCharsets.US_ASCII);
if (request.contains("\r\n\r\n")) {
return;
}
}
if (c == -1)
throw new IOException("Socket closed");
}
Socket s = null;
String BODY;
String CLEN;
PrintStream out;
public void run() {
try {
s = server.accept();
readAll(s);
BODY = "Hello world";
CLEN = "Content-Length: " + BODY.length() + "\r\n";
out = new PrintStream(new BufferedOutputStream(s.getOutputStream() ));
/* send the header */
out.print("HTTP/1.1 200 OK\r\n");
out.print("Content-Type: text/plain; charset=iso-8859-1\r\n");
out.print(CLEN);
out.print("\r\n");
out.print(BODY);
out.flush();
} catch (Exception e) {
pass = false;
try {
if (s != null)
s.close();
server.close();
} catch (IOException unused) {}
return;
}
// second request may legitimately fail
try (Socket s2 = s; ServerSocket server2 = server; PrintStream out2 = out) {
// wait for second request.
readAll(s2);
BODY = "Goodbye world";
CLEN = "Content-Length: " + BODY.length() + "\r\n";
/* send the header */
out2.print("HTTP/1.1 200 OK\r\n");
out2.print("Content-Type: text/plain; charset=iso-8859-1\r\n");
out2.print(CLEN);
out2.print("\r\n");
out2.print(BODY);
out2.flush();
pass = !expectClose;
if (!pass) System.out.println("Failed: expected close");
} catch (Exception e) {
pass = expectClose;
if (!pass) System.out.println("Failed: did not expect close");
}
}
}
static String fetch(URL url) throws Exception {
InputStream in = url.openConnection(NO_PROXY).getInputStream();
String s = "";
byte b[] = new byte[128];
int n;
do {
n = in.read(b);
if (n > 0)
s += new String(b, 0, n, StandardCharsets.US_ASCII);
} while (n > 0);
in.close();
return s;
}
static volatile boolean expectClose;
public static void main(String args[]) throws Exception {
// exercise the logging code
logger.setLevel(Level.FINEST);
ConsoleHandler h = new ConsoleHandler();
h.setLevel(Level.FINEST);
logger.addHandler(h);
expectClose = args[0].equals("short");
InetAddress loopback = InetAddress.getLoopbackAddress();
ServerSocket ss = new ServerSocket();
ss.bind(new InetSocketAddress(loopback, 0));
Server s = new Server(ss);
s.start();
URL url = URIBuilder.newBuilder()
.scheme("http")
.loopback()
.port(ss.getLocalPort())
.toURL();
System.out.println("URL: " + url);
if (!fetch(url).equals("Hello world"))
throw new RuntimeException("Failed on first request");
// Wait a while to see if connection is closed
Thread.sleep(3 * 1000);
try {
if (!fetch(url).equals("Goodbye world"))
throw new RuntimeException("Failed on second request");
} catch (Exception e) {
if (!expectClose)
throw e;
}
s.join();
if (!pass)
throw new RuntimeException("Failed in server");
}
}
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