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.netty.example.http.websocketx.server;
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.example.util.ServerUtil;
24 import io.netty.handler.logging.LogLevel;
25 import io.netty.handler.logging.LoggingHandler;
26 import io.netty.handler.ssl.SslContext;
27
28 /**
29 * An HTTP server which serves Web Socket requests at:
30 *
31 * http://localhost:8080/websocket
32 *
33 * Open your browser at <a href="http://localhost:8080/">http://localhost:8080/</a>, then the demo page will be loaded
34 * and a Web Socket connection will be made automatically.
35 *
36 * This server illustrates support for the different web socket specification versions and will work with:
37 *
38 * <ul>
39 * <li>Safari 5+ (draft-ietf-hybi-thewebsocketprotocol-00)
40 * <li>Chrome 6-13 (draft-ietf-hybi-thewebsocketprotocol-00)
41 * <li>Chrome 14+ (draft-ietf-hybi-thewebsocketprotocol-10)
42 * <li>Chrome 16+ (RFC 6455 aka draft-ietf-hybi-thewebsocketprotocol-17)
43 * <li>Firefox 7+ (draft-ietf-hybi-thewebsocketprotocol-10)
44 * <li>Firefox 11+ (RFC 6455 aka draft-ietf-hybi-thewebsocketprotocol-17)
45 * </ul>
46 */
47 public final class WebSocketServer {
48
49 static final boolean SSL = System.getProperty("ssl") != null;
50 static final int PORT = Integer.parseInt(System.getProperty("port", SSL? "8443" : "8080"));
51
52 public static void main(String[] args) throws Exception {
53 // Configure SSL.
54 final SslContext sslCtx = ServerUtil.buildSslContext();
55
56 EventLoopGroup bossGroup = new NioEventLoopGroup(1);
57 EventLoopGroup workerGroup = new NioEventLoopGroup();
58 try {
59 ServerBootstrap b = new ServerBootstrap();
60 b.group(bossGroup, workerGroup)
61 .channel(NioServerSocketChannel.class)
62 .handler(new LoggingHandler(LogLevel.INFO))
63 .childHandler(new WebSocketServerInitializer(sslCtx));
64
65 Channel ch = b.bind(PORT).sync().channel();
66
67 System.out.println("Open your web browser and navigate to " +
68 (SSL? "https" : "http") + "://127.0.0.1:" + PORT + '/');
69
70 ch.closeFuture().sync();
71 } finally {
72 bossGroup.shutdownGracefully();
73 workerGroup.shutdownGracefully();
74 }
75 }
76 }