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16 package io.netty.example.telnet;
17
18 import io.netty.bootstrap.ServerBootstrap;
19 import io.netty.channel.EventLoopGroup;
20 import io.netty.channel.MultiThreadIoEventLoopGroup;
21 import io.netty.channel.nio.NioIoHandler;
22 import io.netty.channel.socket.nio.NioServerSocketChannel;
23 import io.netty.example.util.ServerUtil;
24 import io.netty.handler.logging.LogLevel;
25 import io.netty.handler.logging.LoggingHandler;
26 import io.netty.handler.ssl.SslContext;
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31 public final class TelnetServer {
32
33 static final boolean SSL = System.getProperty("ssl") != null;
34 static final int PORT = Integer.parseInt(System.getProperty("port", SSL? "8992" : "8023"));
35
36 public static void main(String[] args) throws Exception {
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38 final SslContext sslCtx = ServerUtil.buildSslContext();
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40 EventLoopGroup group = new MultiThreadIoEventLoopGroup(NioIoHandler.newFactory());
41 try {
42 ServerBootstrap b = new ServerBootstrap();
43 b.group(group)
44 .channel(NioServerSocketChannel.class)
45 .handler(new LoggingHandler(LogLevel.INFO))
46 .childHandler(new TelnetServerInitializer(sslCtx));
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48 b.bind(PORT).sync().channel().closeFuture().sync();
49 } finally {
50 group.shutdownGracefully();
51 }
52 }
53 }