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/*
* Copyright (c) 2021, 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
* @summary Test to stress directory listings
* @library /test/lib
* @run testng/othervm/timeout=180 -Dsun.net.httpserver.nodelay=true StressDirListings
*/
import java.io.IOException;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse.BodyHandlers;
import java.nio.file.Path;
import java.util.logging.ConsoleHandler;
import java.util.logging.Level;
import java.util.logging.Logger;
import com.sun.net.httpserver.HttpServer;
import com.sun.net.httpserver.SimpleFileServer;
import com.sun.net.httpserver.SimpleFileServer.OutputLevel;
import jdk.test.lib.net.URIBuilder;
import org.testng.annotations.AfterTest;
import org.testng.annotations.BeforeTest;
import org.testng.annotations.Test;
import static java.lang.System.out;
import static java.net.http.HttpClient.Builder.NO_PROXY;
import static org.testng.Assert.assertEquals;
public class StressDirListings {
static final Path CWD = Path.of(".").toAbsolutePath();
static final InetSocketAddress LOOPBACK_ADDR = new InetSocketAddress(InetAddress.getLoopbackAddress(), 0);
static final boolean ENABLE_LOGGING = false;
static final Logger LOGGER = Logger.getLogger("com.sun.net.httpserver");
static final long start = System.nanoTime();
public static String now() {
long now = System.nanoTime() - start;
long secs = now / 1000_000_000;
long mill = (now % 1000_000_000) / 1000_000;
long nan = now % 1000_000;
return String.format("[%d s, %d ms, %d ns] ", secs, mill, nan);
}
HttpServer simpleFileServer;
@BeforeTest
public void setup() throws IOException {
out.println(now() + " creating server");
if (ENABLE_LOGGING) {
ConsoleHandler ch = new ConsoleHandler();
LOGGER.setLevel(Level.ALL);
ch.setLevel(Level.ALL);
LOGGER.addHandler(ch);
}
simpleFileServer = SimpleFileServer.createFileServer(LOOPBACK_ADDR, CWD, OutputLevel.VERBOSE);
simpleFileServer.start();
out.println(now() + " server started");
}
@AfterTest
public void teardown() {
out.println(now() + " stopping server");
simpleFileServer.stop(0);
out.println(now() + " server stopped");
}
// Enough to trigger FileSystemException: Too many open files (machine dependent)
static final int TIMES = 11_000;
/**
* Issues a large number of identical GET requests sequentially, each of
* which returns the root directory listing. An IOException will be thrown
* if the server does not issue a valid reply, e.g. the server logic that
* enumerates the directory files fails to close the stream from Files::list.
*/
@Test
public void testDirListings() throws Exception {
out.println(now() + " starting test");
var client = HttpClient.newBuilder().proxy(NO_PROXY).build();
var request = HttpRequest.newBuilder(uri(simpleFileServer)).build();
for (int i=0; i<TIMES; i++) {
var response = client.send(request, BodyHandlers.ofString());
assertEquals(response.statusCode(), 200);
if (i % 100 == 0) {
out.print(" " + i + " ");
}
if (i % 1000 == 0) {
out.println(now());
}
}
out.println(now() + " test finished");
}
static URI uri(HttpServer server) {
return URIBuilder.newBuilder()
.host("localhost")
.port(server.getAddress().getPort())
.scheme("http")
.path("/")
.buildUnchecked();
}
}
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