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1   /*
2    * Copyright 2017 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  
17  package io.netty.testsuite.http2;
18  
19  import io.netty.bootstrap.ServerBootstrap;
20  import io.netty.channel.Channel;
21  import io.netty.channel.ChannelOption;
22  import io.netty.channel.EventLoopGroup;
23  import io.netty.channel.MultiThreadIoEventLoopGroup;
24  import io.netty.channel.nio.NioIoHandler;
25  import io.netty.channel.socket.nio.NioServerSocketChannel;
26  import io.netty.handler.logging.LogLevel;
27  import io.netty.handler.logging.LoggingHandler;
28  
29  /**
30   * An HTTP/2 Server that responds to requests with a Hello World. Once started, you can test the
31   * server with the example client.
32   */
33  public final class Http2Server {
34  
35      private final int port;
36  
37      Http2Server(final int port) {
38          this.port = port;
39      }
40  
41      void run() throws Exception {
42          // Configure the server.
43          EventLoopGroup group = new MultiThreadIoEventLoopGroup(NioIoHandler.newFactory());
44          try {
45              ServerBootstrap b = new ServerBootstrap();
46              b.option(ChannelOption.SO_BACKLOG, 1024);
47              b.group(group)
48                      .channel(NioServerSocketChannel.class)
49                      .handler(new LoggingHandler(LogLevel.INFO))
50                      .childHandler(new Http2ServerInitializer());
51  
52              Channel ch = b.bind(port).sync().channel();
53  
54              ch.closeFuture().sync();
55          } finally {
56              group.shutdownGracefully();
57          }
58      }
59  
60      public static void main(String[] args) throws Exception {
61          int port;
62          if (args.length > 0) {
63              port = Integer.parseInt(args[0]);
64          } else {
65              port = 9000;
66          }
67          new Http2Server(port).run();
68      }
69  }