EpollEventLoopGroup.java — netty Source File

Source Code

/*
 * Copyright 2014 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.channel.DefaultSelectStrategyFactory;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.EventLoopTaskQueueFactory;
import io.netty.channel.IoEventLoop;
import io.netty.channel.IoHandlerFactory;
import io.netty.channel.MultiThreadIoEventLoopGroup;
import io.netty.channel.SelectStrategyFactory;
import io.netty.channel.SingleThreadEventLoop;
import io.netty.util.concurrent.EventExecutorChooserFactory;
import io.netty.util.concurrent.RejectedExecutionHandler;
import io.netty.util.concurrent.RejectedExecutionHandlers;
import io.netty.util.internal.logging.InternalLogger;
import io.netty.util.internal.logging.InternalLoggerFactory;

import java.util.concurrent.Executor;
import java.util.concurrent.ThreadFactory;

/**
 * {@link EventLoopGroup} which uses epoll under the covers. Because of this
 * it only works on linux.
 *
 * @deprecated Use {@link MultiThreadIoEventLoopGroup} with {@link EpollIoHandler#newFactory()}.
 */
@Deprecated
public final class EpollEventLoopGroup extends MultiThreadIoEventLoopGroup {

    // This does not use static by design to ensure the class can be loaded and only do the check when its actually
    // instanced.
    {
        // Ensure JNI is initialized by the time this class is loaded.
        Epoll.ensureAvailability();
    }
    private static final InternalLogger LOGGER = InternalLoggerFactory.getInstance(EpollEventLoopGroup.class);

    /**
     * Create a new instance using the default number of threads and the default {@link ThreadFactory}.
     */
    public EpollEventLoopGroup() {
        this(0);
    }

    /**
     * Create a new instance using the specified number of threads and the default {@link ThreadFactory}.
// ... (142 more lines)