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.flysoloing.learning.network.netty.portunification; import io.netty.bootstrap.ServerBootstrap; import io.netty.channel.ChannelInitializer; import io.netty.channel.EventLoopGroup; import io.netty.channel.nio.NioEventLoopGroup; import io.netty.channel.socket.SocketChannel; import io.netty.channel.socket.nio.NioServerSocketChannel; import io.netty.handler.logging.LogLevel; import io.netty.handler.logging.LoggingHandler; import io.netty.handler.ssl.SslContext; import io.netty.handler.ssl.SslContextBuilder; import io.netty.handler.ssl.util.SelfSignedCertificate; /** * Serves two protocols (HTTP and Factorial) using only one port, enabling * either SSL or GZIP dynamically on demand. * <p> * Because SSL and GZIP are enabled on demand, 5 combinations per protocol * are possible: none, SSL only, GZIP only, SSL + GZIP, and GZIP + SSL. */ public final class PortUnificationServer { static final int PORT = Integer.parseInt(System.getProperty("port", "8080")); public static void main(String[] args) throws Exception { // Configure SSL context SelfSignedCertificate ssc = new SelfSignedCertificate(); final SslContext sslCtx = SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey()).build(); EventLoopGroup bossGroup = new NioEventLoopGroup(1); EventLoopGroup workerGroup = new NioEventLoopGroup(); try { ServerBootstrap b = new ServerBootstrap(); b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class) .handler(new LoggingHandler(LogLevel.INFO)) .childHandler(new ChannelInitializer<SocketChannel>() { @Override public void initChannel(SocketChannel ch) throws Exception { ch.pipeline().addLast(new PortUnificationServerHandler(sslCtx)); } }); // Bind and start to accept incoming connections. b.bind(PORT).sync().channel().closeFuture().sync(); } finally { bossGroup.shutdownGracefully(); workerGroup.shutdownGracefully(); } } }