1 ////////////////////////////////////////////////////////////////////////////////
2 // MillScript: an Open Spice interpreter and batch website creation tool
3 // Copyright (C) 2005 Open World Ltd
4 //
5 // This file is part of MillScript.
6 //
7 // MillScript is free software; you can redistribute it and/or modify it under
8 // the terms of the GNU General Public License as published by the Free
9 // Software Foundation; either version 2 of the License, or (at your option)
10 // any later version.
11 //
12 // MillScript is distributed in the hope that it will be useful, but WITHOUT
13 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 // more details.
16 //
17 // You should have received a copy of the GNU General Public License along with
18 // MillScript; if not, write to the Free Software Foundation, Inc., 59 Temple
19 // Place, Suite 330, Boston, MA 02111-1307 USA
20 ////////////////////////////////////////////////////////////////////////////////
21 package org.millscript.millscript.apps.website;
22
23 import java.io.BufferedReader;
24 import java.io.FileReader;
25 import java.util.StringTokenizer;
26
27 import com.townleyenterprises.command.CommandOption;
28
29 /**
30 *
31 *
32 */
33 public class AverageLoadCommandOption extends CommandOption {
34
35 /**
36 */
37 public AverageLoadCommandOption() {
38 super( "average-load", 'a', false, null, "Reports average load of machine" );
39 }
40
41 /**
42 * @see com.townleyenterprises.command.CommandOption#execute()
43 */
44 @Override
45 public void execute() throws Exception {
46 final BufferedReader br = new BufferedReader(
47 new FileReader( "/proc/loadavg" )
48 );
49 final String loadAverageLine = br.readLine();
50 final StringTokenizer st = new StringTokenizer( loadAverageLine );
51 if ( st.countTokens() >= 3 ) {
52 printAverage( "1-min load average:\t", st.nextToken() );
53 printAverage( "5-min load average:\t", st.nextToken() );
54 printAverage( "15-min load average:\t", st.nextToken() );
55 }
56 }
57
58 public void printAverage( String message, String average ) {
59 System.out.print( message );
60 System.out.print( average );
61 System.out.println();
62 }
63
64 }