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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.http.snoop;
17  
18  import io.netty5.bootstrap.ServerBootstrap;
19  import io.netty5.channel.Channel;
20  import io.netty5.channel.EventLoopGroup;
21  import io.netty5.channel.MultithreadEventLoopGroup;
22  import io.netty5.channel.nio.NioHandler;
23  import io.netty5.channel.socket.nio.NioServerSocketChannel;
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   * An HTTP server that sends back the content of the received HTTP request
32   * in a pretty plaintext form.
33   */
34  public final class HttpSnoopServer {
35  
36      static final boolean SSL = System.getProperty("ssl") != null;
37      static final int PORT = Integer.parseInt(System.getProperty("port", SSL? "8443" : "8080"));
38  
39      public static void main(String[] args) throws Exception {
40          // Configure SSL.
41          final SslContext sslCtx;
42          if (SSL) {
43              SelfSignedCertificate ssc = new SelfSignedCertificate();
44              sslCtx = SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey()).build();
45          } else {
46              sslCtx = null;
47          }
48  
49          // Configure the server.
50          EventLoopGroup bossGroup = new MultithreadEventLoopGroup(1, NioHandler.newFactory());
51          EventLoopGroup workerGroup = new MultithreadEventLoopGroup(NioHandler.newFactory());
52          try {
53              ServerBootstrap b = new ServerBootstrap();
54              b.group(bossGroup, workerGroup)
55               .channel(NioServerSocketChannel.class)
56               .handler(new LoggingHandler(LogLevel.INFO))
57               .childHandler(new HttpSnoopServerInitializer(sslCtx));
58  
59              Channel ch = b.bind(PORT).asStage().get();
60  
61              System.err.println("Open your web browser and navigate to " +
62                      (SSL? "https" : "http") + "://127.0.0.1:" + PORT + '/');
63  
64              ch.closeFuture().asStage().sync();
65          } finally {
66              bossGroup.shutdownGracefully();
67              workerGroup.shutdownGracefully();
68          }
69      }
70  }