2abe20a6b5
Motivation: IO transports (primarily epoll, but also applies to kqueue, nio) cant be configured with separate tail tasks queue factory - instead single queue factory is used for both normal tasks and tail tasks. Modifications: Add constructor accepting tail EventLoopTaskQueueFactory to aforementioned transports Result: IO transports can be configured with separate tail tasks
140 lines
5.1 KiB
Java
140 lines
5.1 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:
|
|
*
|
|
* https://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.testsuite.transport.AbstractSingleThreadEventLoopTest;
|
|
import io.netty.channel.DefaultSelectStrategyFactory;
|
|
import io.netty.channel.EventLoop;
|
|
import io.netty.channel.EventLoopGroup;
|
|
import io.netty.channel.ServerChannel;
|
|
import io.netty.channel.socket.ServerSocketChannel;
|
|
import io.netty.channel.unix.FileDescriptor;
|
|
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.jupiter.api.Test;
|
|
|
|
import java.io.IOException;
|
|
import java.util.concurrent.TimeUnit;
|
|
import java.util.concurrent.atomic.AtomicInteger;
|
|
import java.util.concurrent.atomic.AtomicReference;
|
|
|
|
import static org.junit.jupiter.api.Assertions.assertEquals;
|
|
import static org.junit.jupiter.api.Assertions.assertFalse;
|
|
import static org.junit.jupiter.api.Assertions.assertNull;
|
|
import static org.junit.jupiter.api.Assertions.assertTrue;
|
|
|
|
public class EpollEventLoopTest extends AbstractSingleThreadEventLoopTest {
|
|
|
|
@Override
|
|
protected EventLoopGroup newEventLoopGroup() {
|
|
return new EpollEventLoopGroup();
|
|
}
|
|
|
|
@Override
|
|
protected ServerSocketChannel newChannel() {
|
|
return new EpollServerSocketChannel();
|
|
}
|
|
|
|
@Override
|
|
protected Class<? extends ServerChannel> serverChannelClass() {
|
|
return EpollServerSocketChannel.class;
|
|
}
|
|
|
|
@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, 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();
|
|
}
|
|
}
|
|
|
|
@Test
|
|
public void testEventFDETSemantics() throws Throwable {
|
|
final FileDescriptor epoll = Native.newEpollCreate();
|
|
final FileDescriptor eventFd = Native.newEventFd();
|
|
final FileDescriptor timerFd = Native.newTimerFd();
|
|
final EpollEventArray array = new EpollEventArray(1024);
|
|
try {
|
|
Native.epollCtlAdd(epoll.intValue(), eventFd.intValue(), Native.EPOLLIN | Native.EPOLLET);
|
|
final AtomicReference<Throwable> causeRef = new AtomicReference<Throwable>();
|
|
final AtomicInteger integer = new AtomicInteger();
|
|
final Thread t = new Thread(new Runnable() {
|
|
@Override
|
|
public void run() {
|
|
try {
|
|
for (int i = 0; i < 2; i++) {
|
|
int ready = Native.epollWait(epoll, array, timerFd, -1, -1);
|
|
assertEquals(1, ready);
|
|
assertEquals(eventFd.intValue(), array.fd(0));
|
|
integer.incrementAndGet();
|
|
}
|
|
} catch (IOException e) {
|
|
causeRef.set(e);
|
|
}
|
|
}
|
|
});
|
|
t.start();
|
|
Native.eventFdWrite(eventFd.intValue(), 1);
|
|
|
|
// Spin until we was the wakeup.
|
|
while (integer.get() != 1) {
|
|
Thread.sleep(10);
|
|
}
|
|
// Sleep for a short moment to ensure there is not other wakeup.
|
|
Thread.sleep(1000);
|
|
assertEquals(1, integer.get());
|
|
Native.eventFdWrite(eventFd.intValue(), 1);
|
|
t.join();
|
|
Throwable cause = causeRef.get();
|
|
if (cause != null) {
|
|
throw cause;
|
|
}
|
|
assertEquals(2, integer.get());
|
|
} finally {
|
|
array.free();
|
|
epoll.close();
|
|
eventFd.close();
|
|
timerFd.close();
|
|
}
|
|
}
|
|
}
|