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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.util.SelfSignedCertificate;
28  
29  /**
30   * Serves two protocols (HTTP and Factorial) using only one port, enabling
31   * either SSL or GZIP dynamically on demand.
32   * <p>
33   * Because SSL and GZIP are enabled on demand, 5 combinations per protocol
34   * are possible: none, SSL only, GZIP only, SSL + GZIP, and GZIP + SSL.
35   */
36  public final class PortUnificationServer {
37  
38      static final int PORT = Integer.parseInt(System.getProperty("port", "8080"));
39  
40      public static void main(String[] args) throws Exception {
41          // Configure SSL context
42          SelfSignedCertificate ssc = new SelfSignedCertificate();
43          final SslContext sslCtx = SslContext.newServerContext(ssc.certificate(), ssc.privateKey());
44  
45          EventLoopGroup bossGroup = new NioEventLoopGroup(1);
46          EventLoopGroup workerGroup = new NioEventLoopGroup();
47          try {
48              ServerBootstrap b = new ServerBootstrap();
49              b.group(bossGroup, workerGroup)
50               .channel(NioServerSocketChannel.class)
51               .handler(new LoggingHandler(LogLevel.INFO))
52               .childHandler(new ChannelInitializer<SocketChannel>() {
53                  @Override
54                  public void initChannel(SocketChannel ch) throws Exception {
55                      ch.pipeline().addLast(new PortUnificationServerHandler(sslCtx));
56                  }
57              });
58  
59              // Bind and start to accept incoming connections.
60              b.bind(PORT).sync().channel().closeFuture().sync();
61          } finally {
62              bossGroup.shutdownGracefully();
63              workerGroup.shutdownGracefully();
64          }
65      }
66  }