Source code: com/act365/net/tcp/ISNUpdater.java
1 /*
2 * JSocket Wrench
3 *
4 * Copyright (C) act365.com October 2003
5 *
6 * Web site: http://www.act365.com/wrench
7 * E-mail: developers@act365.com
8 *
9 * The JSocket Wrench library adds support for low-level Internet protocols
10 * to the Java programming language.
11 *
12 * This program is free software; you can redistribute it and/or modify it
13 * under the terms of the GNU General Public License as published by the Free
14 * Software Foundation; either version 2 of the License, or (at your option)
15 * any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
20 * Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License along with
23 * this program; if not, write to the Free Software Foundation, Inc.,
24 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 */
26
27 package com.act365.net.tcp ;
28
29 /**
30 Class ISNUpdater ensures that class ISNCounter is
31 updated at regular intervals.
32 */
33
34 public class ISNUpdater extends Thread {
35
36 long delay ;
37
38 boolean alive ;
39
40 public ISNUpdater( long delay ){
41 this.delay = delay ;
42 alive = true ;
43 }
44
45 public void run() {
46
47 while( alive ){
48 ISNCounter.update();
49 try {
50 sleep( delay );
51 } catch( InterruptedException e ) {
52 }
53 }
54 }
55
56 public void terminate() {
57 alive = false ;
58 }
59 }
60