/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.sun.jini.test.impl.mercury;
import java.util.logging.Level;
import java.rmi.RemoteException;
import java.rmi.NoSuchObjectException;
import java.rmi.ServerException;
import java.util.Date;
import java.util.ArrayList;
import java.util.logging.Logger;
import net.jini.event.InvalidIteratorException;
import net.jini.event.MailboxPullRegistration;
import net.jini.event.PullEventMailbox;
import net.jini.event.RemoteEventIterator;
import net.jini.core.lease.Lease;
import net.jini.core.event.EventRegistration;
import net.jini.core.event.RemoteEvent;
import net.jini.core.event.RemoteEventListener;
import net.jini.core.event.UnknownEventException;
import com.sun.jini.constants.TimeConstants;
import com.sun.jini.admin.DestroyAdmin;
import com.sun.jini.test.impl.mercury.EMSTestBase;
import com.sun.jini.test.impl.mercury.TestUtils;
import com.sun.jini.test.impl.mercury.TestListener;
import com.sun.jini.test.impl.mercury.TestGenerator;
import com.sun.jini.qa.harness.QAConfig;
import com.sun.jini.qa.harness.TestException;
/*
* Test blocks multiple threads on getNext() with a timeout of 1 minute
* (on an empty registration).
* The test then tries to call the service's destroy() method
* before the minute is up. The implementation attempts to notify blocking
* calls at the start of the destroy process, so we should return early (i.e.
* after the destroy call but before the requested timeout period).
*/
public class PullTimeoutTest6B
extends EMSTestBase implements TimeConstants
{
//
// This should be long enough to sensibly run the test.
// If the service doesn't grant long enough leases, then
// we might have to resort to using something like the
// LeaseRenewalManager to keep our leases current.
//
private final long DURATION1 = 3*HOURS;
private final int NUM_WORKERS = 5;
private final long EVENT_ID = 1234;
private final long EVENT_ID2 = 5678;
/* Note: Service has a 2 minute unexport timeout */
private final long MAX_WAIT_GET_EVENT = 60 * 1000;
private final long MAX_WAIT_SEND_DESTROY = MAX_WAIT_GET_EVENT / 5;
class MyDestroyerRunnable implements Runnable {
final DestroyAdmin admin;
final Logger logger;
final long delay;
MyDestroyerRunnable(DestroyAdmin admin, Logger logger, long delay)
{
this.admin = admin;
this.logger = logger;
this.delay = delay;
}
public void run() {
try {
logger.log(Level.FINEST,
"MyDestroyerRunnable sleeping @ {0} for {1} ms",
new Object[] { new Date(), new Long(delay)});
Thread.sleep(delay);
logger.log(Level.FINEST,
"MyDestroyerRunnable awoken @ {0}", new Date());
} catch (InterruptedException ie) {
// ignore
logger.log(Level.FINEST,
"Sleep interrupted", ie);
}
try {
admin.destroy();
logger.log(Level.FINEST, "Called destroy @ {0}", new Date());
} catch (RemoteException re) {
logger.log(Level.FINEST,
"Ignoring RemoteException from calling destroy",
re);
}
}
}
class MyWorker extends Thread {
final MailboxPullRegistration reg;
final Logger logger;
final long delay;
boolean failed = false;
MyWorker(MailboxPullRegistration reg, Logger logger, long delay)
{
this.reg = reg;
this.logger = logger;
this.delay = delay;
}
public void run() {
try {
// Get events and verify
logger.log(Level.INFO, "Getting events from empty mailbox.");
RemoteEventIterator rei = reg.getRemoteEvents();
RemoteEvent rei_event = null;
Date before = new Date();
logger.log(Level.INFO, "Calling next() on empty set @ {0}", before);
try {
rei_event = rei.next(MAX_WAIT_GET_EVENT);
throw new TestException("Did not receive expected exception");
} catch (NoSuchObjectException nsoe) {
logger.log(Level.INFO, "Caught expected exception", nsoe);
}
Date after = new Date();
//Verify that we returned before the timeout
long delta = after.getTime() - before.getTime();
logger.log(Level.INFO, "Returned from next() @ {0}, delta = {1}",
new Object[] {after, new Long(delta)});
if (delta >= MAX_WAIT_GET_EVENT) {
throw new TestException("Returned from next() after expected: "
+ delta);
}
if (rei_event != null) {
throw new TestException(
"Received unexpected event from mailbox: " + rei_event);
}
logger.log(Level.INFO, "Worker done.");
} catch (Exception e) {
logger.log(Level.INFO, "Got unexpected exception.", e);
failed = true;
}
}
public boolean failed() { return failed; }
}
public void run() throws Exception {
logger.log(Level.INFO, "Starting up " + this.getClass().toString());
PullEventMailbox mb = getPullMailbox();
Object admin = getMailboxAdmin(mb);
DestroyAdmin dAdmin = (DestroyAdmin)admin;
int i = 0;
// Register and check lease
long[] durations =
new long[] {DURATION1, DURATION1, DURATION1, DURATION1, DURATION1};
MailboxPullRegistration[] mrs = getPullRegistrations(mb, durations);
Lease mrl = null;
for (i=0; i < durations.length; i++) {
mrl = getPullMailboxLease(mrs[i]);
checkLease(mrl, DURATION1);
}
// Start destroyer thread with a delay of MAX_WAIT_SEND_EVENT
Thread t =
new Thread(
new MyDestroyerRunnable(
dAdmin, logger, MAX_WAIT_SEND_DESTROY ));
t.start();
// Start worker threads
MyWorker[] workers = new MyWorker[mrs.length];
for (i=0; i < mrs.length; i++) {
workers[i] =
new MyWorker(mrs[i], logger, MAX_WAIT_GET_EVENT);
workers[i].start();
}
for (i=0; i < mrs.length; i++) {
workers[i].join();
if (workers[i].failed()) {
throw new TestException(
"Worker failed");
}
}
}
/**
* Invoke parent's setup and parser
* @exception TestException will usually indicate an "unresolved"
* condition because at this point the test has not yet begun.
*/
public void setup(QAConfig sysConfig) throws Exception {
super.setup(sysConfig);
parse();
}
}