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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 8291637
* @library /test/lib
* @run main/othervm -Dhttp.keepAlive.time.server=20 -esa -ea B8291637
*/
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.URL;
import java.nio.charset.StandardCharsets;
import java.util.concurrent.CompletableFuture;
import jdk.test.lib.net.URIBuilder;
public class B8291637 {
static CompletableFuture<Boolean> passed = new CompletableFuture<>();
static class Server extends Thread implements AutoCloseable {
final String param; // the parameter to test "max" or "timeout"
final ServerSocket serverSocket = new ServerSocket(0);
final int port;
volatile Socket s;
public Server(String param) throws IOException {
this.param = param;
port = serverSocket.getLocalPort();
setDaemon(true);
}
public int getPort() {
return port;
}
public void close() throws IOException {
serverSocket.close();
if (s != null)
s.close();
}
static final byte[] requestEnd = new byte[] {'\r', '\n', '\r', '\n' };
// Read until the end of a HTTP request
static void readOneRequest(InputStream is) throws IOException {
int requestEndCount = 0, r;
while ((r = is.read()) != -1) {
if (r == requestEnd[requestEndCount]) {
requestEndCount++;
if (requestEndCount == 4) {
break;
}
} else {
requestEndCount = 0;
}
}
}
public void run() {
try {
while (true) {
s = serverSocket.accept();
readOneRequest(s.getInputStream());
OutputStream os = s.getOutputStream();
String resp = "" +
"HTTP/1.1 200 OK\r\n" +
"Content-Length: 11\r\n" +
"Connection: Keep-Alive\r\n" +
"Keep-Alive: " + param + "=-10\r\n" + // invalid negative value
"\r\n" +
"Hello World";
os.write(resp.getBytes(StandardCharsets.ISO_8859_1));
os.flush();
InputStream is = s.getInputStream();
long l1 = System.currentTimeMillis();
int readResult = is.read();
if (readResult != -1) {
System.out.println("Unexpected byte received: " + readResult);
}
long l2 = System.currentTimeMillis();
long diff = (l2 - l1) / 1000;
/*
* timeout is set to 20 seconds. If bug is still present
* then the timeout will occur the first time the keep alive
* thread wakes up which is after 5 seconds. This allows
* very large leeway with slow running hardware.
*
* Same behavior should occur in case of max=-1 with the bug
*/
if (diff < 19) {
passed.complete(false);
} else {
passed.complete(true);
}
System.out.println("Time diff = " + diff);
}
} catch (Throwable t) {
System.err.println("Server exception terminating: " + t);
passed.completeExceptionally(t);
}
}
}
public static void runTest(String param) throws Exception {
try (Server server = new Server(param)) {
server.start();
URL url = URIBuilder.newBuilder()
.scheme("http")
.loopback()
.port(server.getPort())
.path("/")
.toURL();
HttpURLConnection urlc = (HttpURLConnection) url.openConnection();
try (InputStream i = urlc.getInputStream()) {
System.out.println("Read " + i.readAllBytes().length);
}
if (!passed.get()) {
throw new RuntimeException("Test failed");
} else {
System.out.println("Test passed");
}
}
}
public static void main(String[] args) throws Exception {
runTest("timeout");
runTest("max");
}
}
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