/*
* JBoss, Home of Professional Open Source
* Copyright 2007, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags.
* See the copyright.txt in the distribution for a
* full listing of individual contributors.
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License, v. 2.1.
* This program is distributed in the hope that it will be useful, but WITHOUT A
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public License,
* v.2.1 along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*
* (C) 2007,
* @author JBoss Inc.
*/
package com.hp.mwtests.ts.arjuna.reaper;
import com.arjuna.ats.arjuna.coordinator.TransactionReaper;
import com.arjuna.ats.arjuna.coordinator.Reapable;
import com.arjuna.ats.arjuna.coordinator.ActionStatus;
import com.arjuna.ats.arjuna.common.Uid;
public class ReaperTestCase3 extends ReaperTestCaseControl
{
public void testReaperWait() throws Exception
{
TransactionReaper reaper = TransactionReaper.transactionReaper();
// give the reaper worker time to start too
Thread.sleep(1000);
// create test reapables some of which will not respond immediately to cancel requests
Uid uid0 = new Uid();
Uid uid1 = new Uid();
Uid uid2 = new Uid();
Uid uid3 = new Uid();
// reapable0 will return CANCELLED from cancel and will rendezvous inside the cancel call
// so we can delay it. prevent_commit should not get called so we don't care about the arguments
TestReapable reapable0 = new TestReapable(uid0, true, false, false, false);
// reapable1 will return CANCELLED from cancel and will not rendezvous inside the cancel call
// prevent_commit should not get called so we don't care about the arguments
TestReapable reapable1 = new TestReapable(uid1, true, false, false, false);
// reapable2 will return CANCELLED from cancel and will not rendezvous inside the cancel call
// prevent_commit should not get called so we don't care about the arguments
TestReapable reapable2 = new TestReapable(uid2, true, false, false, false);
// reapable3 will return CANCELLED from cancel and will not rendezvous inside the cancel call
// prevent_commit should not get called so we don't care about the arguments
TestReapable reapable3 = new TestReapable(uid3, true, false, false, false);
// enable a repeatable rendezvous before checking the reapable queue
enableRendezvous("reaper1", true);
// enable a repeatable rendezvous before processing a timed out reapable
// enableRendezvous("reaper2", true);
// enable a repeatable rendezvous before scheduling a reapable in the worker queue for cancellation
// enableRendezvous("reaper3", true);
// enable a repeatable rendezvous before rescheduling a reapable in the worker queue for cancellation
// enableRendezvous("reaper4", true);
// enable a repeatable rendezvous before interrupting a cancelled reapable
// enableRendezvous("reaper5", true);
// enable a repeatable rendezvous before marking a worker thread as a zombie
// enableRendezvous("reaper6", true);
// enable a repeatable rendezvous before marking a reapable as rollback only from the reaper thread
// enableRendezvous("reaper7", true);
// enable a repeatable rendezvous before checking the worker queue
enableRendezvous("reaperworker1", true);
// enable a repeatable rendezvous before marking a reapable as cancel
// enableRendezvous("reaperworker2", true);
// enable a repeatable rendezvous before calling cancel
// enableRendezvous("reaperworker3", true);
// enable a repeatable rendezvous before marking a reapable as rollback only from the worker thread
// enableRendezvous("reaperworker4", true);
// enable a repeatable rendezvous for each of the test reapables which we have marked to
// perform a rendezvous
// enableRendezvous(uid0, true);
// insert reapables so they timeout at 1 second intervals then
// check progress of cancellations and rollbacks
reaper.insert(reapable0, 1);
reaper.insert(reapable1, 2);
reaper.insert(reapable2, 3);
reaper.insert(reapable3, 4);
// latch the reaper before it checks the queue
triggerRendezvous("reaper1");
// make sure they were all registered
assertEquals(4, reaper.numberOfTransactions());
assertEquals(4, reaper.numberOfTimeouts());
// ensure the first reapable is ready
triggerWait(1000);
// let the reaper process the first reapable then latch it again before it checks the queue
triggerRendezvous("reaper1");
triggerRendezvous("reaper1");
// latch the worker before it checks the worker queue
triggerRendezvous("reaperworker1");
// let the worker process the first reapable then latch it again before it checks the queue
triggerRendezvous("reaperworker1");
triggerRendezvous("reaperworker1");
// force a termination waiting for the normal timeout periods
// byteman rules will ensure that the reaper and reaperworker rendezvous get deleted
// under this call
TransactionReaper.terminate(true);
assertEquals(0, reaper.numberOfTransactions());
assertTrue(reapable0.getCancelTried());
assertTrue(reapable1.getCancelTried());
assertTrue(reapable2.getCancelTried());
assertTrue(reapable3.getCancelTried());
}
public void testReaperForce() throws Exception
{
TransactionReaper reaper = TransactionReaper.transactionReaper();
// give the reaper worker time to start too
Thread.sleep(1000);
// create test reapables some of which will not respond immediately to cancel requests
Uid uid0 = new Uid();
Uid uid1 = new Uid();
Uid uid2 = new Uid();
Uid uid3 = new Uid();
// reapable0 will return CANCELLED from cancel and will rendezvous inside the cancel call
// so we can delay it. prevent_commit should not get called so we don't care about the arguments
TestReapable reapable0 = new TestReapable(uid0, true, false, false, false);
// reapable1 will return CANCELLED from cancel and will not rendezvous inside the cancel call
// prevent_commit should not get called so we don't care about the arguments
TestReapable reapable1 = new TestReapable(uid1, true, false, false, false);
// reapable2 will return CANCELLED from cancel and will not rendezvous inside the cancel call
// prevent_commit should not get called so we don't care about the arguments
TestReapable reapable2 = new TestReapable(uid2, true, false, false, false);
// reapable3 will return CANCELLED from cancel and will not rendezvous inside the cancel call
// prevent_commit should not get called so we don't care about the arguments
TestReapable reapable3 = new TestReapable(uid3, true, false, false, false);
// enable a repeatable rendezvous before checking the reapable queue
enableRendezvous("reaper1", true);
// enable a repeatable rendezvous before processing a timed out reapable
// enableRendezvous("reaper2", true);
// enable a repeatable rendezvous before scheduling a reapable in the worker queue for cancellation
// enableRendezvous("reaper3", true);
// enable a repeatable rendezvous before rescheduling a reapable in the worker queue for cancellation
// enableRendezvous("reaper4", true);
// enable a repeatable rendezvous before interrupting a cancelled reapable
// enableRendezvous("reaper5", true);
// enable a repeatable rendezvous before marking a worker thread as a zombie
// enableRendezvous("reaper6", true);
// enable a repeatable rendezvous before marking a reapable as rollback only from the reaper thread
// enableRendezvous("reaper7", true);
// enable a repeatable rendezvous before checking the worker queue
enableRendezvous("reaperworker1", true);
// enable a repeatable rendezvous before marking a reapable as cancel
// enableRendezvous("reaperworker2", true);
// enable a repeatable rendezvous before calling cancel
// enableRendezvous("reaperworker3", true);
// enable a repeatable rendezvous before marking a reapable as rollback only from the worker thread
// enableRendezvous("reaperworker4", true);
// enable a repeatable rendezvous for each of the test reapables which we have marked to
// perform a rendezvous
// enableRendezvous(uid0, true);
reaper.insert(reapable0, 1);
reaper.insert(reapable1, 2);
reaper.insert(reapable2, 3);
reaper.insert(reapable3, 4);
// latch the reaper before it checks the queue
triggerRendezvous("reaper1");
// make sure they were all registered
assertEquals(4, reaper.numberOfTransactions());
assertEquals(4, reaper.numberOfTimeouts());
// ensure the first reapable is ready
triggerWait(1000);
// let the reaper process the first reapable then latch it again before it checks the queue
triggerRendezvous("reaper1");
triggerRendezvous("reaper1");
// latch the worker before it checks the worker queue
triggerRendezvous("reaperworker1");
// let the worker process the first reapable then latch it again before it checks the queue
triggerRendezvous("reaperworker1");
triggerRendezvous("reaperworker1");
// force a termination and don't wait for the normal timeout periods
// byteman rules will ensure that the reaper and reaperworker rendezvous gte deleted
// under this call
TransactionReaper.terminate(false);
assertEquals(0, reaper.numberOfTransactions());
assertTrue(reapable0.getCancelTried());
assertTrue(reapable1.getCancelTried());
assertTrue(reapable2.getCancelTried());
assertTrue(reapable3.getCancelTried());
/*
* Since we've (hopefully) just run two tests with new reapers in the same VM
* we've also shown that it's possible to start/terminate/start again!
*/
}
public class SlowReapable implements Reapable
{
public SlowReapable(Uid uid, int callDelay, int interruptDelay, boolean doCancel, boolean doRollback)
{
this.uid = uid;
this.callDelay = callDelay;
this.interruptDelay = interruptDelay;
this.doCancel = doCancel;
this.doRollback = doRollback;
cancelTried = false;
rollbackTried = false;
running = true;
}
public boolean running()
{
return getRunning();
}
public boolean preventCommit()
{
setRollbackTried();
clearRunning();
return doRollback;
}
public int cancel()
{
boolean interrupted = false;
setCancelTried();
// track the worker trying to do the cancel so we can
// detect if it becomes a zombie
setCancelThread(Thread.currentThread());
if (callDelay > 0) {
try {
Thread.sleep(callDelay);
} catch (InterruptedException e) {
interrupted = true;
}
}
if (interrupted && interruptDelay > 0) {
try {
Thread.sleep(interruptDelay);
} catch (InterruptedException e) {
}
}
if (doCancel) {
clearRunning();
return ActionStatus.ABORTED;
} else {
return ActionStatus.RUNNING;
}
}
public Uid get_uid()
{
return uid;
}
private Uid uid;
private int callDelay; // in milliseconds
private int interruptDelay; // in milliseconds
private boolean doCancel;
private boolean doRollback;
private boolean cancelTried;
private boolean rollbackTried;
private boolean running;
private Thread cancelThread;
public synchronized void setCancelTried()
{
cancelTried = true;
}
public synchronized boolean getCancelTried()
{
return cancelTried;
}
public synchronized void setCancelThread(Thread cancelThread)
{
this.cancelThread = cancelThread;
}
public synchronized Thread getCancelThread()
{
return cancelThread;
}
public synchronized void setRollbackTried()
{
rollbackTried = true;
}
public synchronized boolean getRollbackTried()
{
return rollbackTried;
}
public synchronized void clearRunning()
{
running = false;
}
public synchronized boolean getRunning()
{
return running;
}
}
}