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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.securechat;
17  
18  import io.netty.bootstrap.ServerBootstrap;
19  import io.netty.channel.EventLoopGroup;
20  import io.netty.channel.nio.NioEventLoopGroup;
21  import io.netty.channel.socket.nio.NioServerSocketChannel;
22  import io.netty.example.telnet.TelnetServer;
23  import io.netty.handler.logging.LogLevel;
24  import io.netty.handler.logging.LoggingHandler;
25  import io.netty.handler.ssl.SslContext;
26  import io.netty.handler.ssl.SslContextBuilder;
27  import io.netty.handler.ssl.util.SelfSignedCertificate;
28  
29  /**
30   * Simple SSL chat server modified from {@link TelnetServer}.
31   */
32  public final class SecureChatServer {
33  
34      static final int PORT = Integer.parseInt(System.getProperty("port", "8992"));
35  
36      public static void main(String[] args) throws Exception {
37          SelfSignedCertificate ssc = new SelfSignedCertificate();
38          SslContext sslCtx = SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey())
39              .build();
40  
41          EventLoopGroup bossGroup = new NioEventLoopGroup(1);
42          EventLoopGroup workerGroup = new NioEventLoopGroup();
43          try {
44              ServerBootstrap b = new ServerBootstrap();
45              b.group(bossGroup, workerGroup)
46               .channel(NioServerSocketChannel.class)
47               .handler(new LoggingHandler(LogLevel.INFO))
48               .childHandler(new SecureChatServerInitializer(sslCtx));
49  
50              b.bind(PORT).sync().channel().closeFuture().sync();
51          } finally {
52              bossGroup.shutdownGracefully();
53              workerGroup.shutdownGracefully();
54          }
55      }
56  }