Java tutorial
/* * Copyright 2012 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: * * 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.cmz.sctp; import io.netty.bootstrap.ServerBootstrap; import io.netty.channel.ChannelFuture; import io.netty.channel.ChannelInitializer; import io.netty.channel.ChannelOption; import io.netty.channel.EventLoopGroup; import io.netty.channel.nio.NioEventLoopGroup; import io.netty.channel.sctp.SctpChannel; import io.netty.channel.sctp.nio.NioSctpServerChannel; import io.netty.handler.logging.LogLevel; import io.netty.handler.logging.LoggingHandler; /** * Echoes back any received data from a SCTP client. */ public final class SctpEchoServer { static final int PORT = Integer.parseInt(System.getProperty("port", "8007")); public static void main(String[] args) throws Exception { // Configure the server. EventLoopGroup bossGroup = new NioEventLoopGroup(1); EventLoopGroup workerGroup = new NioEventLoopGroup(); try { ServerBootstrap b = new ServerBootstrap(); b.group(bossGroup, workerGroup).channel(NioSctpServerChannel.class) .option(ChannelOption.SO_BACKLOG, 100).handler(new LoggingHandler(LogLevel.INFO)) .childHandler(new ChannelInitializer<SctpChannel>() { @Override public void initChannel(SctpChannel ch) throws Exception { ch.pipeline().addLast( //new LoggingHandler(LogLevel.INFO), new SctpEchoServerHandler()); } }); // Start the server. ChannelFuture f = b.bind(PORT).sync(); // Wait until the server socket is closed. f.channel().closeFuture().sync(); } finally { // Shut down all event loops to terminate all threads. bossGroup.shutdownGracefully(); workerGroup.shutdownGracefully(); } } }