/*
* 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 org.apache.ignite.session;
import java.io.Serializable;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Random;
import java.util.UUID;
import java.util.concurrent.Callable;
import org.apache.ignite.Ignite;
import org.apache.ignite.IgniteException;
import org.apache.ignite.IgniteLogger;
import org.apache.ignite.cluster.ClusterNode;
import org.apache.ignite.compute.ComputeJob;
import org.apache.ignite.compute.ComputeJobAdapter;
import org.apache.ignite.compute.ComputeJobResult;
import org.apache.ignite.compute.ComputeTaskAdapter;
import org.apache.ignite.compute.ComputeTaskFuture;
import org.apache.ignite.compute.ComputeTaskSession;
import org.apache.ignite.compute.ComputeTaskSessionFullSupport;
import org.apache.ignite.configuration.IgniteConfiguration;
import org.apache.ignite.internal.IgniteInterruptedCheckedException;
import org.apache.ignite.internal.util.typedef.internal.U;
import org.apache.ignite.resources.LoggerResource;
import org.apache.ignite.resources.TaskSessionResource;
import org.apache.ignite.testframework.GridTestUtils;
import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest;
import org.apache.ignite.testframework.junits.common.GridCommonTest;
/**
* Task session load self test.
*/
@GridCommonTest(group = "Task Session")
public class GridSessionLoadSelfTest extends GridCommonAbstractTest {
/** */
private static final int THREAD_CNT = 40;
/** */
private static final int EXEC_CNT = 10;
/** */
private boolean locMarsh;
/** {@inheritDoc} */
@Override protected IgniteConfiguration getConfiguration(String igniteInstanceName) throws Exception {
IgniteConfiguration c = super.getConfiguration(igniteInstanceName);
c.setMarshalLocalJobs(locMarsh);
c.setPeerClassLoadingEnabled(false);
return c;
}
/** {@inheritDoc} */
@Override protected void beforeTest() throws Exception {
startGrids(2);
}
/** {@inheritDoc} */
@Override protected void afterTest() throws Exception {
stopAllGrids();
}
/**
* @throws Exception If failed.
*/
public void testSessionLoad() throws Exception {
locMarsh = true;
checkSessionLoad();
}
/**
* @throws Exception If failed.
*/
public void testSessionLoadNoLocalMarshalling() throws Exception {
locMarsh = false;
checkSessionLoad();
}
/**
* @throws Exception If failed.
*/
private void checkSessionLoad() throws Exception {
final Ignite ignite = grid(0);
assert ignite != null;
assert ignite.cluster().nodes().size() == 2;
info("Thread count: " + THREAD_CNT);
GridTestUtils.runMultiThreaded(new Callable<Object>() {
@Override public Object call() throws Exception {
ComputeTaskFuture f = null;
try {
for (int i = 0; i < EXEC_CNT; i++)
assertEquals(Boolean.TRUE,
(f = executeAsync(ignite.compute().withName("task-name"),
SessionLoadTestTask.class,
ignite.cluster().nodes().size() * 2)).get(20000));
}
catch (Exception e) {
U.error(log, "Task failed: " +
f != null ? f.getTaskSession().getId() : "N/A", e);
throw e;
}
finally {
info("Thread finished.");
}
return null;
}
}, THREAD_CNT, "grid-load-test-thread");
}
/**
*
*/
@ComputeTaskSessionFullSupport
private static class SessionLoadTestTask extends ComputeTaskAdapter<Integer, Boolean> {
/** */
@TaskSessionResource
private ComputeTaskSession taskSes;
/** */
@LoggerResource
private IgniteLogger log;
/** */
private Map<String, Integer> params;
/** {@inheritDoc} */
@Override public Map<? extends ComputeJob, ClusterNode> map(List<ClusterNode> subgrid, Integer arg) {
assert taskSes != null;
assert arg != null;
assert arg > 1;
Map<SessionLoadTestJob, ClusterNode> map = new HashMap<>(subgrid.size());
Iterator<ClusterNode> iter = subgrid.iterator();
Random rnd = new Random();
params = new HashMap<>(arg);
for (int i = 0; i < arg; i++) {
// Recycle iterator.
if (!iter.hasNext())
iter = subgrid.iterator();
String paramName = UUID.randomUUID().toString();
int paramVal = rnd.nextInt();
taskSes.setAttribute(paramName, paramVal);
map.put(new SessionLoadTestJob(paramName), iter.next());
params.put(paramName, paramVal);
if (log.isDebugEnabled())
log.debug("Set session attribute [name=" + paramName + ", value=" + paramVal + ']');
}
return map;
}
/** {@inheritDoc} */
@Override public Boolean reduce(List<ComputeJobResult> results) {
assert taskSes != null;
assert results != null;
assert params != null;
assert !params.isEmpty();
assert results.size() == params.size();
if (log.isDebugEnabled())
log.debug("Reducing: " + params);
Map<String, Integer> receivedParams = new HashMap<>();
boolean allAttrReceived = false;
for (int i = 0; i < 3 && !allAttrReceived; i++) {
allAttrReceived = true;
for (Map.Entry<String, Integer> entry : params.entrySet()) {
Serializable attr = taskSes.getAttribute(entry.getKey());
assert attr != null;
int newVal = (Integer)attr;
receivedParams.put(entry.getKey(), newVal);
// New value is expected to be +1 to argument value.
if (newVal != entry.getValue() + 1)
allAttrReceived = false;
}
if (!allAttrReceived) {
try {
U.sleep(1000);
}
catch (IgniteInterruptedCheckedException e) {
throw new IgniteException(e);
}
}
}
if (log.isDebugEnabled()) {
for (Map.Entry<String, Integer> entry : receivedParams.entrySet())
log.debug("Received session attribute value [name=" + entry.getKey() + ", val=" + entry.getValue()
+ ", expected=" + (params.get(entry.getKey()) + 1) + ']');
}
return allAttrReceived;
}
}
/**
*
*/
private static class SessionLoadTestJob extends ComputeJobAdapter {
/** */
@TaskSessionResource
private ComputeTaskSession taskSes;
/** */
@LoggerResource
private IgniteLogger log;
/**
* @param arg Argument.
*/
private SessionLoadTestJob(String arg) {
super(arg);
}
/** {@inheritDoc} */
@Override public Serializable execute() {
assert taskSes != null;
assert argument(0) != null;
Serializable ser = taskSes.getAttribute(argument(0));
assert ser != null;
int val = (Integer)ser + 1;
if (log.isDebugEnabled())
log.debug("Executing session load job: " + val);
// Generate garbage.
for (int i = 0; i < 10; i++)
taskSes.setAttribute(argument(0), i);
// Set final value (+1 to original value).
taskSes.setAttribute(argument(0), val);
if (log.isDebugEnabled())
log.debug("Set session attribute [name=" + argument(0) + ", value=" + val + ']');
return val;
}
}
}