Java tutorial
/* * Copyright (c) 2017 "JackWhite20" * * This file is part of Apex. * * Apex is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package de.jackwhite20.apex.udp; import de.jackwhite20.apex.Apex; import de.jackwhite20.apex.udp.pipeline.DatagramUpstreamHandler; import de.jackwhite20.apex.util.PipelineUtils; import de.jackwhite20.cope.CopeConfig; import io.netty.bootstrap.Bootstrap; import io.netty.buffer.PooledByteBufAllocator; import io.netty.channel.Channel; import io.netty.channel.ChannelOption; import io.netty.channel.EventLoopGroup; import io.netty.channel.epoll.EpollChannelOption; import io.netty.channel.epoll.EpollMode; import org.slf4j.Logger; import org.slf4j.LoggerFactory; /** * Created by JackWhite20 on 04.11.2016. */ public class ApexDatagram extends Apex { private static Logger logger = LoggerFactory.getLogger(ApexDatagram.class); public ApexDatagram(CopeConfig copeConfig) { super(copeConfig); } @Override public Channel bootstrap(EventLoopGroup bossGroup, EventLoopGroup workerGroup, String ip, int port, int backlog, int readTimeout, int writeTimeout) throws Exception { logger.info("Bootstrapping datagram server"); Bootstrap bootstrap = new Bootstrap().group(workerGroup).channel(PipelineUtils.getDatagramChannel()) .option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT) .handler(new DatagramUpstreamHandler()); if (PipelineUtils.isEpoll()) { bootstrap.option(EpollChannelOption.EPOLL_MODE, EpollMode.LEVEL_TRIGGERED); logger.debug("Epoll mode is now level triggered"); } return bootstrap.bind(ip, port).sync().channel(); } }