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 * 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 org.jboss.netty.example.factorial;
17
18 import java.net.InetSocketAddress;
19 import java.util.concurrent.Executors;
20
21 import org.jboss.netty.bootstrap.ServerBootstrap;
22 import org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory;
23
24 /**
25 * Receives a sequence of integers from a {@link FactorialClient} to calculate
26 * the factorial of the specified integer.
27 */
28 public class FactorialServer {
29
30 private final int port;
31
32 public FactorialServer(int port) {
33 this.port = port;
34 }
35
36 public void run() {
37 // Configure the server.
38 ServerBootstrap bootstrap = new ServerBootstrap(
39 new NioServerSocketChannelFactory(
40 Executors.newCachedThreadPool(),
41 Executors.newCachedThreadPool()));
42
43 // Set up the event pipeline factory.
44 bootstrap.setPipelineFactory(new FactorialServerPipelineFactory());
45
46 // Bind and start to accept incoming connections.
47 bootstrap.bind(new InetSocketAddress(port));
48 }
49
50 public static void main(String[] args) throws Exception {
51 int port;
52 if (args.length > 0) {
53 port = Integer.parseInt(args[0]);
54 } else {
55 port = 8080;
56 }
57 new FactorialServer(port).run();
58 }
59 }