View Javadoc
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    *   https://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.MultiThreadIoEventLoopGroup;
22  import io.netty.channel.nio.NioIoHandler;
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;
27  import io.netty.handler.ssl.SslContext;
28  import io.netty.handler.ssl.SslContextBuilder;
29  import io.netty.pkitesting.CertificateBuilder;
30  import io.netty.pkitesting.X509Bundle;
31  
32  /**
33   * Serves two protocols (HTTP and Factorial) using only one port, enabling
34   * either SSL or GZIP dynamically on demand.
35   * <p>
36   * Because SSL and GZIP are enabled on demand, 5 combinations per protocol
37   * are possible: none, SSL only, GZIP only, SSL + GZIP, and GZIP + SSL.
38   */
39  public final class PortUnificationServer {
40  
41      static final int PORT = Integer.parseInt(System.getProperty("port", "8080"));
42  
43      public static void main(String[] args) throws Exception {
44          // Configure SSL context
45          X509Bundle ssc = new CertificateBuilder()
46                  .subject("cn=localhost")
47                  .setIsCertificateAuthority(true)
48                  .buildSelfSigned();
49          final SslContext sslCtx = SslContextBuilder.forServer(ssc.toKeyManagerFactory())
50              .build();
51  
52          EventLoopGroup group = new MultiThreadIoEventLoopGroup(NioIoHandler.newFactory());
53          try {
54              ServerBootstrap b = new ServerBootstrap();
55              b.group(group)
56               .channel(NioServerSocketChannel.class)
57               .handler(new LoggingHandler(LogLevel.INFO))
58               .childHandler(new ChannelInitializer<SocketChannel>() {
59                  @Override
60                  public void initChannel(SocketChannel ch) throws Exception {
61                      ch.pipeline().addLast(new PortUnificationServerHandler(sslCtx));
62                  }
63              });
64  
65              // Bind and start to accept incoming connections.
66              b.bind(PORT).sync().channel().closeFuture().sync();
67          } finally {
68              group.shutdownGracefully();
69          }
70      }
71  }