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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
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* version 2 for more details ( a copy is included in the LICENSE file that
* accompanied this code ) .
*
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* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
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*/
/*
* @ 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" );
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
assertNotNull(msg);
assertTrue(msg.contains("Network is unreachable" )
|| msg.contains("No route to host" ));
} 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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