netty5/transport-native-epoll/src/test/java/io/netty/channel/epoll/EpollEventLoopTest.java
Norman Maurer c9aaa93d83
Allow to specify a EventLoopTaskQueueFactory for various EventLoopGroup implementations (#9247)
Motivation:

Sometimes it is desirable to be able to use a different Queue implementation for the EventLoop of a Channel. This is currently not possible without resort to reflection.

Modifications:

- Add a new constructor to Nio|Epoll|KQueueEventLoopGroup which allows to specify a factory which is used to create the task queue. This was the user can override the default implementation.
- Add test

Result:

Be able to change Queue that is used for the EventLoop.
2019-06-21 09:05:19 +02:00

79 lines
2.7 KiB
Java

/*
* Copyright 2017 The Netty Project
*
* The Netty Project 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 io.netty.channel.epoll;
import io.netty.channel.DefaultSelectStrategyFactory;
import io.netty.channel.EventLoop;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.socket.ServerSocketChannel;
import io.netty.testsuite.transport.AbstractSingleThreadEventLoopTest;
import io.netty.util.concurrent.DefaultThreadFactory;
import io.netty.util.concurrent.Future;
import io.netty.util.concurrent.RejectedExecutionHandlers;
import io.netty.util.concurrent.ThreadPerTaskExecutor;
import org.junit.Test;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicReference;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
public class EpollEventLoopTest extends AbstractSingleThreadEventLoopTest {
@Override
protected EventLoopGroup newEventLoopGroup() {
return new EpollEventLoopGroup();
}
@Override
protected ServerSocketChannel newChannel() {
return new EpollServerSocketChannel();
}
@Test
public void testScheduleBigDelayNotOverflow() {
final AtomicReference<Throwable> capture = new AtomicReference<Throwable>();
final EventLoopGroup group = new EpollEventLoop(null,
new ThreadPerTaskExecutor(new DefaultThreadFactory(getClass())), 0,
DefaultSelectStrategyFactory.INSTANCE.newSelectStrategy(), RejectedExecutionHandlers.reject(), null) {
@Override
void handleLoopException(Throwable t) {
capture.set(t);
super.handleLoopException(t);
}
};
try {
final EventLoop eventLoop = group.next();
Future<?> future = eventLoop.schedule(new Runnable() {
@Override
public void run() {
// NOOP
}
}, Long.MAX_VALUE, TimeUnit.MILLISECONDS);
assertFalse(future.awaitUninterruptibly(1000));
assertTrue(future.cancel(true));
assertNull(capture.get());
} finally {
group.shutdownGracefully();
}
}
}