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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    *   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.netty5.example.securechat;
17  
18  import io.netty5.bootstrap.ServerBootstrap;
19  import io.netty5.channel.EventLoopGroup;
20  import io.netty5.channel.MultithreadEventLoopGroup;
21  import io.netty5.channel.nio.NioHandler;
22  import io.netty5.channel.socket.nio.NioServerSocketChannel;
23  import io.netty5.example.telnet.TelnetServer;
24  import io.netty5.handler.logging.LogLevel;
25  import io.netty5.handler.logging.LoggingHandler;
26  import io.netty5.handler.ssl.SslContext;
27  import io.netty5.handler.ssl.SslContextBuilder;
28  import io.netty5.handler.ssl.util.SelfSignedCertificate;
29  
30  /**
31   * Simple SSL chat server modified from {@link TelnetServer}.
32   */
33  public final class SecureChatServer {
34  
35      static final int PORT = Integer.parseInt(System.getProperty("port", "8992"));
36  
37      public static void main(String[] args) throws Exception {
38          SelfSignedCertificate ssc = new SelfSignedCertificate();
39          SslContext sslCtx = SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey())
40              .build();
41  
42          EventLoopGroup bossGroup = new MultithreadEventLoopGroup(1, NioHandler.newFactory());
43          EventLoopGroup workerGroup = new MultithreadEventLoopGroup(NioHandler.newFactory());
44          try {
45              ServerBootstrap b = new ServerBootstrap();
46              b.group(bossGroup, workerGroup)
47               .channel(NioServerSocketChannel.class)
48               .handler(new LoggingHandler(LogLevel.INFO))
49               .childHandler(new SecureChatServerInitializer(sslCtx));
50  
51              b.bind(PORT).asStage().get().closeFuture().asStage().sync();
52          } finally {
53              bossGroup.shutdownGracefully();
54              workerGroup.shutdownGracefully();
55          }
56      }
57  }