2014-02-15 22:26:36 +01:00
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/*
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* Copyright 2014 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.channel.epoll;
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2014-03-24 10:09:27 +01:00
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import io.netty.channel.EventLoop;
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2016-03-25 20:44:51 +01:00
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import io.netty.channel.DefaultSelectStrategyFactory;
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2014-02-15 22:26:36 +01:00
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import io.netty.channel.EventLoopGroup;
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import io.netty.channel.MultithreadEventLoopGroup;
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2016-03-25 20:44:51 +01:00
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import io.netty.channel.SelectStrategyFactory;
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2014-02-15 22:26:36 +01:00
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import io.netty.util.concurrent.EventExecutor;
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import java.util.concurrent.Executor;
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import java.util.concurrent.ThreadFactory;
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/**
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* {@link EventLoopGroup} which uses epoll under the covers. Because of this
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* it only works on linux.
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*/
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public final class EpollEventLoopGroup extends MultithreadEventLoopGroup {
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/**
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* Create a new instance using the default number of threads and the default {@link ThreadFactory}.
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*/
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public EpollEventLoopGroup() {
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this(0);
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}
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/**
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* Create a new instance using the specified number of threads and the default {@link ThreadFactory}.
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*/
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public EpollEventLoopGroup(int nThreads) {
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2016-03-25 20:44:51 +01:00
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this(nThreads, (ThreadFactory) null);
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}
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/**
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* Create a new instance using the specified number of threads and the default {@link ThreadFactory}.
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*/
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@SuppressWarnings("deprecation")
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public EpollEventLoopGroup(int nThreads, SelectStrategyFactory selectStrategyFactory) {
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this(nThreads, null, selectStrategyFactory);
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2014-02-15 22:26:36 +01:00
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}
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/**
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* Create a new instance using the specified number of threads and the given {@link ThreadFactory}.
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*/
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2015-01-29 20:53:52 +01:00
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@SuppressWarnings("deprecation")
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2014-02-15 22:26:36 +01:00
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public EpollEventLoopGroup(int nThreads, ThreadFactory threadFactory) {
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2015-01-29 20:53:52 +01:00
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this(nThreads, threadFactory, 0);
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2014-02-15 22:26:36 +01:00
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}
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2016-03-25 20:44:51 +01:00
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/**
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* Create a new instance using the specified number of threads and the given {@link ThreadFactory}.
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*/
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@SuppressWarnings("deprecation")
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public EpollEventLoopGroup(int nThreads, ThreadFactory threadFactory, SelectStrategyFactory selectStrategyFactory) {
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this(nThreads, threadFactory, 0, selectStrategyFactory);
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}
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2014-02-15 22:26:36 +01:00
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/**
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* Create a new instance using the specified number of threads, the given {@link ThreadFactory} and the given
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* maximal amount of epoll events to handle per epollWait(...).
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2015-01-29 20:53:52 +01:00
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*
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2016-03-25 20:44:51 +01:00
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* @deprecated Use {@link #EpollEventLoopGroup(int)} or {@link #EpollEventLoopGroup(int, ThreadFactory)}
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2014-02-15 22:26:36 +01:00
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*/
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2015-01-29 20:53:52 +01:00
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@Deprecated
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2014-02-15 22:26:36 +01:00
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public EpollEventLoopGroup(int nThreads, ThreadFactory threadFactory, int maxEventsAtOnce) {
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2016-03-25 20:44:51 +01:00
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this(nThreads, threadFactory, maxEventsAtOnce, DefaultSelectStrategyFactory.INSTANCE);
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}
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/**
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* Create a new instance using the specified number of threads, the given {@link ThreadFactory} and the given
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* maximal amount of epoll events to handle per epollWait(...).
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*
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* @deprecated Use {@link #EpollEventLoopGroup(int)}, {@link #EpollEventLoopGroup(int, ThreadFactory)}, or
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* {@link #EpollEventLoopGroup(int, SelectStrategyFactory)}
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*/
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@Deprecated
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public EpollEventLoopGroup(int nThreads, ThreadFactory threadFactory, int maxEventsAtOnce,
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SelectStrategyFactory selectStrategyFactory) {
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super(nThreads, threadFactory, maxEventsAtOnce, selectStrategyFactory);
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2014-02-15 22:26:36 +01:00
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}
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/**
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* Sets the percentage of the desired amount of time spent for I/O in the child event loops. The default value is
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* {@code 50}, which means the event loop will try to spend the same amount of time for I/O as for non-I/O tasks.
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*/
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public void setIoRatio(int ioRatio) {
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for (EventExecutor e: children()) {
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((EpollEventLoop) e).setIoRatio(ioRatio);
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}
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}
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@Override
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2014-03-24 10:09:27 +01:00
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protected EventLoop newChild(Executor executor, Object... args) throws Exception {
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2016-03-25 20:44:51 +01:00
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return new EpollEventLoop(this, executor, (Integer) args[0],
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((SelectStrategyFactory) args[1]).newSelectStrategy());
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2014-02-15 22:26:36 +01:00
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}
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}
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