ihost/libstatgrab/load_stat.c

/* 
 * i-scream central monitoring system
 * Copyright (C) 2000-2002 i-scream
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

#include <stdio.h>
#include <stdlib.h>
#ifdef SOLARIS
#include <sys/loadavg.h>
#endif
#include "ukcprog.h"

char *get_load_stats(){

        double loadav[3];
        char *xml_load_out;
#ifdef OLDLINUX
        FILE *f;
        char *loadavg;
        char *load_p;
#endif

#ifdef OLDLINUX
        if ((f=fopen("/proc/loadavg", "r" ))==NULL) {
                errf("Failed to open load averages (%m)");
                return NULL;
        }

        if((fscanf(f,"%lf %lf %lf", &loadav[0], &loadav[1], &loadav[2])) != 3){
                errf("Failed to read in sufficent loads");
                return NULL;
        }

        if ((fclose(f)) != 0) {
                errf("Failed to close file (%m).");
                return NULL;
        }
#else
        if((getloadavg(loadav,3)) == -1){
                errf("Failed to get load averages (%m)");
        }
#endif

        xml_load_out=strf("<load><load1>%.2lf</load1><load5>%.2lf</load5><load15>%.2lf</load15></load>", loadav[0], loadav[1], loadav[2]);

        return xml_load_out;
}
Revision:	1.6
Committed:	Sat May 18 18:15:56 2002 UTC (22 years, 4 months ago) by tdb
Content type:	text/plain
Branch:	MAIN
Changes since 1.5:	+19 -0 lines
Log Message:	i-scream is now licensed under the GPL. I've added the GPL headers to every source file, and put a full copy of the license in the appropriate places. I think I've covered everything. This is going to be a mad commit ;)
#	User	Rev	Content
1	tdb	1.6	/*
2			* i-scream central monitoring system
3			* Copyright (C) 2000-2002 i-scream
4			*
5			* This program is free software; you can redistribute it and/or
6			* modify it under the terms of the GNU General Public License
7			* as published by the Free Software Foundation; either version 2
8			* of the License, or (at your option) any later version.
9			*
10			* This program is distributed in the hope that it will be useful,
11			* but WITHOUT ANY WARRANTY; without even the implied warranty of
12			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13			* GNU General Public License for more details.
14			*
15			* You should have received a copy of the GNU General Public License
16			* along with this program; if not, write to the Free Software
17			* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18			*/
19
20	pajs	1.1	#include <stdio.h>
21			#include <stdlib.h>
22	pajs	1.5	#ifdef SOLARIS
23			#include <sys/loadavg.h>
24			#endif
25	pajs	1.1	#include "ukcprog.h"
26
27	tdb	1.2	char *get_load_stats(){
28	pajs	1.1
29			double loadav[3];
30			char *xml_load_out;
31			#ifdef OLDLINUX
32			FILE *f;
33			char *loadavg;
34			char *load_p;
35			#endif
36
37			#ifdef OLDLINUX
38			if ((f=fopen("/proc/loadavg", "r" ))==NULL) {
39			errf("Failed to open load averages (%m)");
40			return NULL;
41			}
42
43	pajs	1.3	if((fscanf(f,"%lf %lf %lf", &loadav[0], &loadav[1], &loadav[2])) != 3){
44			errf("Failed to read in sufficent loads");
45			return NULL;
46			}
47	pajs	1.1
48			if ((fclose(f)) != 0) {
49			errf("Failed to close file (%m).");
50			return NULL;
51			}
52			#else
53			if((getloadavg(loadav,3)) == -1){
54			errf("Failed to get load averages (%m)");
55			}
56			#endif
57
58	tdb	1.4	xml_load_out=strf("<load><load1>%.2lf</load1><load5>%.2lf</load5><load15>%.2lf</load15></load>", loadav[0], loadav[1], loadav[2]);
59	pajs	1.1
60			return xml_load_out;
61			}