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1   /*
2    * Copyright 2012 The Netty Project
3    *
4    * The Netty Project licenses this file to you under the Apache License,
5    * version 2.0 (the "License"); you may not use this file except in compliance
6    * with the License. You may obtain a copy of the License at:
7    *
8    *   http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13   * License for the specific language governing permissions and limitations
14   * under the License.
15   */
16  package io.netty.example.portunification;
17  
18  import io.netty.bootstrap.ServerBootstrap;
19  import io.netty.channel.ChannelInitializer;
20  import io.netty.channel.EventLoopGroup;
21  import io.netty.channel.nio.NioEventLoopGroup;
22  import io.netty.channel.socket.SocketChannel;
23  import io.netty.channel.socket.nio.NioServerSocketChannel;
24  import io.netty.handler.logging.LogLevel;
25  import io.netty.handler.logging.LoggingHandler;
26  import io.netty.handler.ssl.SslContext;
27  import io.netty.handler.ssl.SslContextBuilder;
28  import io.netty.handler.ssl.util.SelfSignedCertificate;
29  
30  /**
31   * Serves two protocols (HTTP and Factorial) using only one port, enabling
32   * either SSL or GZIP dynamically on demand.
33   * <p>
34   * Because SSL and GZIP are enabled on demand, 5 combinations per protocol
35   * are possible: none, SSL only, GZIP only, SSL + GZIP, and GZIP + SSL.
36   */
37  public final class PortUnificationServer {
38  
39      static final int PORT = Integer.parseInt(System.getProperty("port", "8080"));
40  
41      public static void main(String[] args) throws Exception {
42          // Configure SSL context
43          SelfSignedCertificate ssc = new SelfSignedCertificate();
44          final SslContext sslCtx = SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey())
45              .build();
46  
47          EventLoopGroup bossGroup = new NioEventLoopGroup(1);
48          EventLoopGroup workerGroup = new NioEventLoopGroup();
49          try {
50              ServerBootstrap b = new ServerBootstrap();
51              b.group(bossGroup, workerGroup)
52               .channel(NioServerSocketChannel.class)
53               .handler(new LoggingHandler(LogLevel.INFO))
54               .childHandler(new ChannelInitializer<SocketChannel>() {
55                  @Override
56                  public void initChannel(SocketChannel ch) throws Exception {
57                      ch.pipeline().addLast(new PortUnificationServerHandler(sslCtx));
58                  }
59              });
60  
61              // Bind and start to accept incoming connections.
62              b.bind(PORT).sync().channel().closeFuture().sync();
63          } finally {
64              bossGroup.shutdownGracefully();
65              workerGroup.shutdownGracefully();
66          }
67      }
68  }