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* Copyright 2010 Red Hat Inc. and/or its affiliates and other
* contributors as indicated by the @author tags. All rights reserved.
* See the copyright.txt in the distribution for a full listing of
* individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
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*
* This software is distributed in the hope that it will be useful,
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
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* License along with this software; if not, write to the Free
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package org.infinispan.statetransfer;
import org.infinispan.Cache;
import org.infinispan.config.Configuration;
import org.infinispan.config.GlobalConfiguration;
import org.infinispan.manager.EmbeddedCacheManager;
import org.infinispan.test.MultipleCacheManagersTest;
import org.infinispan.test.TestingUtil;
import org.infinispan.util.logging.Log;
import org.infinispan.util.logging.LogFactory;
import org.testng.annotations.Test;
import javax.transaction.TransactionManager;
import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.lang.reflect.Method;
import java.util.Properties;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
/**
* State transfer and replication queue test verifying that the interaction between them two works in fine.
*
* @author Galder Zamarre�o
* @since 4.1
*/
@Test(groups = "functional", testName = "statetransfer.StateTransferReplicationQueueTest")
public class StateTransferReplicationQueueTest extends MultipleCacheManagersTest {
public static final String A_B_NAME = "a_b_name";
public static final String A_C_NAME = "a_c_name";
public static final String A_B_AGE = "a_b_age";
public static final String A_C_AGE = "a_c_age";
public static final String JOE = "JOE";
public static final String BOB = "BOB";
public static final Integer TWENTY = 20;
public static final Integer FORTY = 40;
private final String cacheName = "nbst-replqueue";
Configuration config;
protected void createCacheManagers() throws Throwable {
// This impl only really sets up a configuration for use later.
config = getDefaultClusteredConfig(Configuration.CacheMode.REPL_ASYNC, true);
config.setUseReplQueue(true);
config.setReplQueueInterval(100, TimeUnit.MILLISECONDS);
config.setReplQueueMaxElements(100);
config.setUseAsyncMarshalling(false);
config.setFetchInMemoryState(true);
config.setUseLockStriping(false); // reduces the odd chance of a key collision and deadlock
}
protected EmbeddedCacheManager createCacheManager() {
EmbeddedCacheManager cm = addClusterEnabledCacheManager();
GlobalConfiguration gc = cm.getGlobalConfiguration();
Properties p = new Properties();
p.setProperty("maxThreads", "25");
gc.setAsyncTransportExecutorProperties(p);
cm.defineConfiguration(cacheName, config.clone());
return cm;
}
protected void writeInitialData(final Cache<Object, Object> c) {
c.put(A_B_NAME, JOE);
c.put(A_B_AGE, TWENTY);
c.put(A_C_NAME, BOB);
c.put(A_C_AGE, FORTY);
}
protected void verifyInitialData(Cache<Object, Object> c) {
assert JOE.equals(c.get(A_B_NAME)) : "Incorrect value for key " + A_B_NAME;
assert TWENTY.equals(c.get(A_B_AGE)) : "Incorrect value for key " + A_B_AGE;
assert BOB.equals(c.get(A_C_NAME)) : "Incorrect value for key " + A_C_NAME;
assert FORTY.equals(c.get(A_C_AGE)) : "Incorrect value for key " + A_C_AGE;
}
/**
* In particular, this test focuses on checking that ordering is maintained when multiple operations are executed
* on the same key in a asynchronous environment with async marshalling turned off.
*/
public void testStateTransferWithNodeRestartedAndBusy(Method m) throws Exception {
log.info(m.getName() + " start");
thirdWritingCacheTest(false);
log.info(m.getName() + "end");
}
private void thirdWritingCacheTest(boolean tx) throws InterruptedException {
Cache<Object, Object> cache1, cache3;
cache1 = createCacheManager().getCache(cacheName);
EmbeddedCacheManager manager3 = createCacheManager();
cache3 = manager3.getCache(cacheName);
writeInitialData(cache1);
WritingThread writerThread = new WritingThread(cache1, tx);
writerThread.start();
manager3.stop();
// Pause for view to update
TestingUtil.blockUntilViewsReceived(60000, false, cache1);
cache3 = createCacheManager().getCache(cacheName);
// Pause to give caches time to see each other
TestingUtil.blockUntilViewsReceived(60000, cache1, cache3);
writerThread.stopThread();
writerThread.join(60000);
verifyInitialData(cache3);
int count = writerThread.result();
// Since this is async, sleep a bit to allow any ongoing repls to go through
TestingUtil.sleepThread(5000);
for (int c = 0; c < count; c++) {
Object o = cache3.get("test" + c);
// Nothing should be left after a put/remove on a key
assert o == null;
}
}
private static class WritingThread extends Thread {
private final Cache<Object, Object> cache;
private final boolean tx;
private volatile boolean stop;
private volatile int result;
private TransactionManager tm;
WritingThread(Cache<Object, Object> cache, boolean tx) {
super("WriterThread");
this.cache = cache;
this.tx = tx;
if (tx) tm = TestingUtil.getTransactionManager(cache);
setDaemon(true);
}
public int result() {
return result;
}
public void run() {
int c = 0;
while (!stop) {
try {
if (tx) tm.begin();
cache.put("test" + c, new PojoValue(c));
cache.remove("test" + c);
if (tx) tm.commit();
c++;
if (c % 1000 == 0) TestingUtil.sleepThread(1); // Slow it down a bit
}
catch (Exception e) {
stopThread();
}
}
result = c;
}
public void stopThread() {
stop = true;
}
}
public static class PojoValue implements Externalizable {
Log log = LogFactory.getLog(PojoValue.class);
static AtomicBoolean holdUp = new AtomicBoolean();
volatile int value;
public PojoValue() {
}
public PojoValue(int value) {
this.value = value;
}
@Override
public void writeExternal(ObjectOutput out) throws IOException {
String threadName = Thread.currentThread().getName();
if (!holdUp.get() && threadName.contains("STREAMING_STATE_TRANSFER-sender")) {
log.debug("In streaming...");
holdUp.compareAndSet(false, true);
log.debug("Holding up...");
TestingUtil.sleepThread(2000); // Sleep for 2 seconds to hold up state transfer
}
out.writeInt(value);
}
@Override
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
value = in.readInt();
}
@Override
public int hashCode() {
return value + 31;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
PojoValue pojo = (PojoValue) o;
if (value != pojo.value) return false;
return true;
}
}
}