| /* |
| * Copyright (c) 2021, 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.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"); |
| env.put(Context.PROVIDER_URL, "ldap://example.com: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 |
| assertTrue(msg != null && msg.contains("Network is unreachable")); |
| } 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("Connect timed out") |
| || msg.contains("Timeout exceeded while waiting for a connection"))); |
| } catch (Throwable t) { |
| throw new RuntimeException(t); |
| } |
| } |
| |
| } |
| |