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16 package io.netty.example.uptime;
17
18 import io.netty.bootstrap.ServerBootstrap;
19 import io.netty.channel.ChannelFuture;
20 import io.netty.channel.ChannelInitializer;
21 import io.netty.channel.EventLoopGroup;
22 import io.netty.channel.nio.NioEventLoopGroup;
23 import io.netty.channel.socket.SocketChannel;
24 import io.netty.channel.socket.nio.NioServerSocketChannel;
25 import io.netty.handler.logging.LogLevel;
26 import io.netty.handler.logging.LoggingHandler;
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32 public final class UptimeServer {
33 private static final int PORT = Integer.parseInt(System.getProperty("port", "8080"));
34 private static final UptimeServerHandler handler = new UptimeServerHandler();
35
36 private UptimeServer() {
37 }
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39 public static void main(String[] args) throws Exception {
40 EventLoopGroup group = new NioEventLoopGroup();
41 try {
42 ServerBootstrap b = new ServerBootstrap();
43 b.group(group)
44 .channel(NioServerSocketChannel.class)
45 .handler(new LoggingHandler(LogLevel.INFO))
46 .childHandler(new ChannelInitializer<SocketChannel>() {
47 @Override
48 public void initChannel(SocketChannel ch) {
49 ch.pipeline().addLast(handler);
50 }
51 });
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54 ChannelFuture f = b.bind(PORT).sync();
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59 f.channel().closeFuture().sync();
60 } finally {
61 group.shutdownGracefully();
62 }
63 }
64 }