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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.http.snoop;
17  
18  import io.netty.bootstrap.ServerBootstrap;
19  import io.netty.channel.Channel;
20  import io.netty.channel.EventLoopGroup;
21  import io.netty.channel.nio.NioEventLoopGroup;
22  import io.netty.channel.socket.nio.NioServerSocketChannel;
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.util.SelfSignedCertificate;
27  
28  /**
29   * An HTTP server that sends back the content of the received HTTP request
30   * in a pretty plaintext form.
31   */
32  public final class HttpSnoopServer {
33  
34      static final boolean SSL = System.getProperty("ssl") != null;
35      static final int PORT = Integer.parseInt(System.getProperty("port", SSL? "8443" : "8080"));
36  
37      public static void main(String[] args) throws Exception {
38          // Configure SSL.
39          final SslContext sslCtx;
40          if (SSL) {
41              SelfSignedCertificate ssc = new SelfSignedCertificate();
42              sslCtx = SslContext.newServerContext(ssc.certificate(), ssc.privateKey());
43          } else {
44              sslCtx = null;
45          }
46  
47          // Configure the server.
48          EventLoopGroup bossGroup = new NioEventLoopGroup(1);
49          EventLoopGroup workerGroup = new NioEventLoopGroup();
50          try {
51              ServerBootstrap b = new ServerBootstrap();
52              b.group(bossGroup, workerGroup)
53               .channel(NioServerSocketChannel.class)
54               .handler(new LoggingHandler(LogLevel.INFO))
55               .childHandler(new HttpSnoopServerInitializer(sslCtx));
56  
57              Channel ch = b.bind(PORT).sync().channel();
58  
59              System.err.println("Open your web browser and navigate to " +
60                      (SSL? "https" : "http") + "://127.0.0.1:" + PORT + '/');
61  
62              ch.closeFuture().sync();
63          } finally {
64              bossGroup.shutdownGracefully();
65              workerGroup.shutdownGracefully();
66          }
67      }
68  }