package com.waylau.netty.demo.securechat;

import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
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.util.SelfSignedCertificate;

/**
 * Simple SSL chat server  
 */
public final class SecureChatServer {

    static final int PORT = Integer.parseInt(System.getProperty("port", "8992"));

    public static void main(String[] args) throws Exception {
        SelfSignedCertificate ssc = new SelfSignedCertificate();
        SslContext sslCtx = SslContext.newServerContext(ssc.certificate(), ssc.privateKey());

        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 SecureChatServerInitializer(sslCtx));

            b.bind(PORT).sync().channel().closeFuture().sync();
        } finally {
            bossGroup.shutdownGracefully();
            workerGroup.shutdownGracefully();
        }
    }
}