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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.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   * A Benchmark application for websocket which is served at:
30   *
31   * http://localhost:8080/websocket
32   *
33   * Open your browser at http://localhost:8080/, then the benchmark page will be loaded and a Web Socket connection will
34   * be made automatically.
35   */
36  public final class WebSocketServer {
37  
38      static final boolean SSL = System.getProperty("ssl") != null;
39      static final int PORT = Integer.parseInt(System.getProperty("port", SSL? "8443" : "8080"));
40  
41      public static void main(String[] args) throws Exception {
42          // Configure SSL.
43          final SslContext sslCtx;
44          if (SSL) {
45              SelfSignedCertificate ssc = new SelfSignedCertificate();
46              sslCtx = SslContext.newServerContext(ssc.certificate(), ssc.privateKey());
47          } else {
48              sslCtx = null;
49          }
50  
51          EventLoopGroup bossGroup = new NioEventLoopGroup(1);
52          EventLoopGroup workerGroup = new NioEventLoopGroup();
53          try {
54              ServerBootstrap b = new ServerBootstrap();
55              b.group(bossGroup, workerGroup)
56               .channel(NioServerSocketChannel.class)
57               .childHandler(new WebSocketServerInitializer(sslCtx));
58  
59              Channel ch = b.bind(PORT).sync().channel();
60  
61              System.out.println("Open your web browser and navigate to " +
62                      (SSL? "https" : "http") + "://127.0.0.1:" + PORT + '/');
63  
64              ch.closeFuture().sync();
65          } finally {
66              bossGroup.shutdownGracefully();
67              workerGroup.shutdownGracefully();
68          }
69      }
70  }