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/*
* Copyright (c) 2021, 2023, 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 8277795
* @summary Multi-threaded client timeout tests for ldap pool
* @library /test/lib
* lib/
* @run testng/othervm LdapPoolTimeoutTest
*/
import org.testng.Assert;
import org.testng.annotations.Test;
import java.io.IOException;
import javax.naming.Context;
import javax.naming.NamingException;
import javax.naming.directory.InitialDirContext;
import java.util.ArrayList;
import java.util.Hashtable;
import java.util.List;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.TimeoutException;
import java.util.concurrent.TimeUnit;
import static jdk.test.lib.Utils.adjustTimeout;
import static org.testng.Assert.assertTrue;
import static org.testng.Assert.assertNotNull;
import static org.testng.Assert.expectThrows;
public class LdapPoolTimeoutTest {
/*
* Practical representation of an infinite timeout.
*/
private static final long INFINITY_MILLIS = adjustTimeout(20_000);
/*
* The acceptable variation in timeout measurements.
*/
private static final long TOLERANCE = adjustTimeout( 3_500);
private static final long CONNECT_MILLIS = adjustTimeout( 3_000);
private static final long READ_MILLIS = adjustTimeout(10_000);
static {
// a series of checks to make sure this timeouts configuration is
// consistent and the timeouts do not overlap
assert (TOLERANCE >= 0);
// context creation
assert (2 * CONNECT_MILLIS + TOLERANCE < READ_MILLIS);
// context creation immediately followed by search
assert (2 * CONNECT_MILLIS + READ_MILLIS + TOLERANCE < INFINITY_MILLIS);
}
@Test
public void test() throws Exception {
List<Future<?>> futures = new ArrayList<>();
ExecutorService executorService = Executors.newCachedThreadPool();
Hashtable<Object, Object> env = new Hashtable<>();
env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.ldap.LdapCtxFactory");
env.put("com.sun.jndi.ldap.read.timeout", String.valueOf(READ_MILLIS));
env.put("com.sun.jndi.ldap.connect.timeout", String.valueOf(CONNECT_MILLIS));
env.put("com.sun.jndi.ldap.connect.pool", "true");
// there should not be a LDAP provider on multicast address, but
// network stack should be able to send to it
env.put(Context.PROVIDER_URL, "ldap://224.0.0.0:1234");
try {
futures.add(executorService.submit(() -> { attemptConnect(env); return null; }));
futures.add(executorService.submit(() -> { attemptConnect(env); return null; }));
futures.add(executorService.submit(() -> { attemptConnect(env); return null; }));
futures.add(executorService.submit(() -> { attemptConnect(env); return null; }));
futures.add(executorService.submit(() -> { attemptConnect(env); return null; }));
futures.add(executorService.submit(() -> { attemptConnect(env); return null; }));
futures.add(executorService.submit(() -> { attemptConnect(env); return null; }));
futures.add(executorService.submit(() -> { attemptConnect(env); return null; }));
} finally {
executorService.shutdown();
}
int failedCount = 0;
for (var f : futures) {
try {
f.get();
} catch (ExecutionException e) {
failedCount++;
e.getCause().printStackTrace(System.out);
}
}
if (failedCount > 0)
throw new RuntimeException(failedCount + " (sub)tests failed");
}
private static void attemptConnect(Hashtable<Object, Object> env) throws Exception {
try {
LdapTimeoutTest.assertCompletion(CONNECT_MILLIS - 1000,
2 * CONNECT_MILLIS + TOLERANCE,
() -> new InitialDirContext(env));
} catch (RuntimeException e) {
String msg = e.getCause() == null ? e.getMessage() : e.getCause().getMessage();
System.err.println("MSG RTE: " + msg);
// assertCompletion may wrap a CommunicationException in an RTE
assertNotNull(msg);
assertTrue(msg.contains("Network is unreachable")
|| msg.contains("No route to host") || msg.contains("Connection timed out"));
} catch (NamingException ex) {
String msg = ex.getCause() == null ? ex.getMessage() : ex.getCause().getMessage();
System.err.println("MSG: " + msg);
assertTrue(msg != null &&
(msg.contains("Network is unreachable")
|| msg.contains("Timed out waiting for lock")
|| msg.contains("Connect timed out")
|| msg.contains("Timeout exceeded while waiting for a connection")));
} catch (Throwable t) {
throw new RuntimeException(t);
}
}
}
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