/*
* 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.activemq.artemis.tests.unit.core.asyncio;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.atomic.AtomicInteger;
import org.apache.activemq.artemis.api.core.ActiveMQException;
import org.apache.activemq.artemis.core.io.IOCallback;
import org.apache.activemq.artemis.jlibaio.LibaioContext;
import org.apache.activemq.artemis.jlibaio.LibaioFile;
import org.apache.activemq.artemis.tests.util.ActiveMQTestBase;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
/**
* The base class for AIO Tests
*/
public abstract class AIOTestBase extends ActiveMQTestBase {
// The AIO Test must use a local filesystem. Sometimes $HOME is on a NFS on
// most enterprise systems
protected String fileName = "fileUsedOnNativeTests.log";
@Override
@Before
public void setUp() throws Exception {
super.setUp();
Assert.assertTrue(String.format("libAIO is not loaded on %s %s %s", System.getProperty("os.name"), System.getProperty("os.arch"), System.getProperty("os.version")), LibaioContext.isLoaded());
}
@Override
@After
public void tearDown() throws Exception {
Assert.assertEquals(0, LibaioContext.getTotalMaxIO());
super.tearDown();
}
protected void encodeBufer(final ByteBuffer buffer) {
buffer.clear();
int size = buffer.limit();
for (int i = 0; i < size - 1; i++) {
buffer.put((byte) ('a' + i % 20));
}
buffer.put((byte) '\n');
}
protected void preAlloc(final LibaioFile controller, final long size) throws ActiveMQException {
controller.fill(size);
}
protected static class CountDownCallback implements IOCallback {
private final CountDownLatch latch;
private final List<Integer> outputList;
private final int order;
private final AtomicInteger errors;
public CountDownCallback(final CountDownLatch latch,
final AtomicInteger errors,
final List<Integer> outputList,
final int order) {
this.latch = latch;
this.outputList = outputList;
this.order = order;
this.errors = errors;
}
volatile boolean doneCalled = false;
int errorCalled = 0;
final AtomicInteger timesDoneCalled = new AtomicInteger(0);
@Override
public void done() {
if (outputList != null) {
outputList.add(order);
}
doneCalled = true;
timesDoneCalled.incrementAndGet();
if (latch != null) {
latch.countDown();
}
}
@Override
public void onError(final int errorCode, final String errorMessage) {
errorCalled++;
if (outputList != null) {
outputList.add(order);
}
if (errors != null) {
errors.incrementAndGet();
}
if (latch != null) {
// even thought an error happened, we need to inform the latch,
// or the test won't finish
latch.countDown();
}
}
public static void checkResults(final int numberOfElements, final ArrayList<Integer> result) {
Assert.assertEquals(numberOfElements, result.size());
int i = 0;
for (Integer resultI : result) {
Assert.assertEquals(i++, resultI.intValue());
}
}
}
}