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1   /*
2    * Copyright 2014 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.websocketx.benchmarkserver;
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.ssl.SslContext;
24  import io.netty.handler.ssl.SslContextBuilder;
25  import io.netty.handler.ssl.util.SelfSignedCertificate;
26  
27  /**
28   * A Benchmark application for websocket which is served at:
29   *
30   * http://localhost:8080/websocket
31   *
32   * Open your browser at http://localhost:8080/, then the benchmark page will be loaded and a Web Socket connection will
33   * be made automatically.
34   */
35  public final class WebSocketServer {
36  
37      static final boolean SSL = System.getProperty("ssl") != null;
38      static final int PORT = Integer.parseInt(System.getProperty("port", SSL? "8443" : "8080"));
39  
40      public static void main(String[] args) throws Exception {
41          // Configure SSL.
42          final SslContext sslCtx;
43          if (SSL) {
44              SelfSignedCertificate ssc = new SelfSignedCertificate();
45              sslCtx = SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey()).build();
46          } else {
47              sslCtx = null;
48          }
49  
50          EventLoopGroup bossGroup = new NioEventLoopGroup(1);
51          EventLoopGroup workerGroup = new NioEventLoopGroup();
52          try {
53              ServerBootstrap b = new ServerBootstrap();
54              b.group(bossGroup, workerGroup)
55               .channel(NioServerSocketChannel.class)
56               .childHandler(new WebSocketServerInitializer(sslCtx));
57  
58              Channel ch = b.bind(PORT).sync().channel();
59  
60              System.out.println("Open your web browser and navigate to " +
61                      (SSL? "https" : "http") + "://127.0.0.1:" + PORT + '/');
62  
63              ch.closeFuture().sync();
64          } finally {
65              bossGroup.shutdownGracefully();
66              workerGroup.shutdownGracefully();
67          }
68      }
69  }