ByteServer.java revision 0:37a05a11f281 
1/*
2 * Copyright 2002 Sun Microsystems, Inc.  All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 */
23
24/**
25 *
26 * Utility class for tests. A simple server, which waits for a connection,
27 * writes out n bytes and waits.
28 * @author kladko
29 */
30
31import java.net.Socket;
32import java.net.ServerSocket;
33
34public class ByteServer {
35
36    public static final int PORT = 31415;
37    public static final String LOCALHOST = "localhost";
38    private int bytecount;
39    private Socket  socket;
40    private ServerSocket  serversocket;
41    private Thread serverthread;
42    volatile Exception savedException;
43
44    public ByteServer(int bytecount) throws Exception{
45        this.bytecount = bytecount;
46        serversocket = new ServerSocket(PORT);
47    }
48
49    public void start() {
50        serverthread = new Thread() {
51            public void run() {
52                try {
53                    socket = serversocket.accept();
54                    socket.getOutputStream().write(new byte[bytecount]);
55                    socket.getOutputStream().flush();
56                } catch (Exception e) {
57                    System.err.println("Exception in ByteServer: " + e);
58                    System.exit(1);
59                }
60            }
61        };
62        serverthread.start();
63    }
64
65    public void exit() throws Exception {
66        serverthread.join();
67        socket.close();
68        serversocket.close();
69    }
70}
71