com.ancun.netty.common.NettyBootstrapFactory.java Source code

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Here is the source code for com.ancun.netty.common.NettyBootstrapFactory.java

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/*
Copyright 2015, Strategic Gains, Inc.
    
   Licensed 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 com.ancun.netty.common;

import io.netty.bootstrap.Bootstrap;
import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.epoll.Epoll;
import io.netty.channel.epoll.EpollEventLoopGroup;
import io.netty.channel.epoll.EpollServerSocketChannel;
import io.netty.channel.epoll.EpollSocketChannel;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.nio.NioServerSocketChannel;
import io.netty.channel.socket.nio.NioSocketChannel;
import io.netty.util.concurrent.Future;

/**
 * netty?
 *
 * @Created on 2016225
 * @author 
 * @version 1.0
 * @Copyright:??? Copyright (c) 2015
 */
public class NettyBootstrapFactory {
    /** IO */
    private EventLoopGroup bossGroup;
    /** IO */
    private EventLoopGroup workerGroup;

    /**
     * netty http??
     *
     * @param ioThreadCount   IO
     * @return   netty http??
      */
    public ServerBootstrap newServerBootstrap(int ioThreadCount) {
        if (Epoll.isAvailable()) {
            return newEpollServerBootstrap(ioThreadCount);
        }

        return newNioServerBootstrap(ioThreadCount);
    }

    /**
     * netty http?
     *
     * @return   netty http?
     */
    public Bootstrap newClientBootstrap() {

        if (Epoll.isAvailable()) {
            return newEpollClientBootstrap();
        }

        return newNioClientBootstrap();
    }

    /**
     * netty
     *
     * @param shouldWait   ??
      */
    public void shutdownGracefully(boolean shouldWait) {

        if (workerGroup != null) {
            Future<?> workerFuture = workerGroup.shutdownGracefully();
            if (shouldWait) {
                workerFuture.awaitUninterruptibly();
            }
        }

        if (null != bossGroup) {
            Future<?> bossFuture = bossGroup.shutdownGracefully();
            if (shouldWait) {
                bossFuture.awaitUninterruptibly();
            }
        }
    }

    /**
     * NIOnetty?
     *
     * @param ioThreadCount   
     * @return   NIOnetty?
      */
    private ServerBootstrap newNioServerBootstrap(int ioThreadCount) {

        bossGroup = new NioEventLoopGroup(1);

        if (ioThreadCount > 0) {
            workerGroup = new NioEventLoopGroup(ioThreadCount);
        } else {
            workerGroup = new NioEventLoopGroup();
        }

        return new ServerBootstrap().group(bossGroup, workerGroup).channel(NioServerSocketChannel.class);
    }

    private ServerBootstrap newEpollServerBootstrap(int ioThreadCount) {
        bossGroup = new EpollEventLoopGroup(1);

        if (ioThreadCount > 0) {
            workerGroup = new EpollEventLoopGroup(ioThreadCount);
        } else {
            workerGroup = new EpollEventLoopGroup();
        }

        return new ServerBootstrap().group(bossGroup, workerGroup).channel(EpollServerSocketChannel.class);
    }

    private Bootstrap newNioClientBootstrap() {
        workerGroup = new NioEventLoopGroup();

        return new Bootstrap().group(workerGroup).channel(NioSocketChannel.class);
    }

    private Bootstrap newEpollClientBootstrap() {
        workerGroup = new EpollEventLoopGroup();

        return new Bootstrap().group(workerGroup).channel(EpollSocketChannel.class);
    }
}