src/libstatgrab/os_info.c

/* 
 * i-scream central monitoring system
 * http://www.i-scream.org
 * Copyright (C) 2000-2003 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.
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <sys/utsname.h>
#include "statgrab.h"
#include <stdlib.h>
#ifdef SOLARIS
#include <kstat.h>
#include <time.h>
#endif
#ifdef LINUX
#include <stdio.h>
#endif
#ifdef ALLBSD
#ifdef FREEBSD
#include <sys/types.h>
#include <sys/sysctl.h>
#else
#include <sys/param.h>
#include <sys/sysctl.h>
#endif
#include <time.h>
#include <sys/time.h>
#endif

general_stat_t *get_general_stats(){

        static general_stat_t general_stat;     
        static struct utsname os;

#ifdef SOLARIS
        time_t boottime,curtime;
        kstat_ctl_t *kc;
        kstat_t *ksp;
        kstat_named_t *kn;
#endif
#ifdef LINUX
        FILE *f;
#endif
#ifdef ALLBSD
        int mib[2];
        struct timeval boottime;
        time_t curtime;
        size_t size;
#endif

        if((uname(&os)) < 0){
                return NULL;
        }
        
        general_stat.os_name = os.sysname;
        general_stat.os_release = os.release;
        general_stat.os_version = os.version;
        general_stat.platform = os.machine;
        general_stat.hostname = os.nodename;

        /* get uptime */
#ifdef SOLARIS
        if ((kc = kstat_open()) == NULL) {
                return NULL;
        }
        if((ksp=kstat_lookup(kc, "unix", -1, "system_misc"))==NULL){
                return NULL;
        }
        if (kstat_read(kc, ksp, 0) == -1) {
                return NULL;
        }
        if((kn=kstat_data_lookup(ksp, "boot_time")) == NULL){
                return NULL;
        }
        boottime=(kn->value.ui32);

        kstat_close(kc);

        time(&curtime);
        general_stat.uptime = curtime - boottime;
#endif
#ifdef LINUX
        if ((f=fopen("/proc/uptime", "r")) == NULL) {
                return NULL;
        size = sizeof boottime;
        }
        if((fscanf(f,"%lu %*d",&general_stat.uptime)) != 1){
                return NULL;
        }
        fclose(f);
#endif
#ifdef ALLBSD
        mib[0] = CTL_KERN;
        mib[1] = KERN_BOOTTIME;
        size = sizeof boottime;
        if (sysctl(mib, 2, &boottime, &size, NULL, 0) < 0){
                return NULL;
        }
        time(&curtime);
        general_stat.uptime=curtime-boottime.tv_sec;
#endif

        return &general_stat;
        
}
Revision:	1.9
Committed:	Sun Oct 19 02:03:02 2003 UTC (20 years, 7 months ago) by ats
Content type:	text/plain
Branch:	MAIN
Changes since 1.8:	+13 -3 lines
Log Message:	Initial support for NetBSD. This adds NetBSD support for everything except diskio stats (since they're even more disturbingly complex to get at on NetBSD than the three OSs we already support). Tested against NetBSD 1.6 on i386.
#	User	Rev	Content
1	pajs	1.1	/*
2			* i-scream central monitoring system
3	tdb	1.6	* http://www.i-scream.org
4			* Copyright (C) 2000-2003 i-scream
5	pajs	1.1	*
6			* This program is free software; you can redistribute it and/or
7			* modify it under the terms of the GNU General Public License
8			* as published by the Free Software Foundation; either version 2
9			* of the License, or (at your option) any later version.
10			*
11			* This program is distributed in the hope that it will be useful,
12			* but WITHOUT ANY WARRANTY; without even the implied warranty of
13			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14			* GNU General Public License for more details.
15			*
16			* You should have received a copy of the GNU General Public License
17			* along with this program; if not, write to the Free Software
18			* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19			*/
20
21			#ifdef HAVE_CONFIG_H
22			#include "config.h"
23			#endif
24
25	tdb	1.3	#include <sys/utsname.h>
26	pajs	1.1	#include "statgrab.h"
27	ats	1.9	#include <stdlib.h>
28	pajs	1.1	#ifdef SOLARIS
29			#include <kstat.h>
30			#include <time.h>
31			#endif
32	pajs	1.4	#ifdef LINUX
33			#include <stdio.h>
34			#endif
35	ats	1.9	#ifdef ALLBSD
36	pajs	1.5	#ifdef FREEBSD
37			#include <sys/types.h>
38			#include <sys/sysctl.h>
39	ats	1.9	#else
40			#include <sys/param.h>
41			#include <sys/sysctl.h>
42			#endif
43	pajs	1.5	#include <time.h>
44			#include <sys/time.h>
45			#endif
46	pajs	1.1
47			general_stat_t *get_general_stats(){
48
49			static general_stat_t general_stat;
50	pajs	1.4	static struct utsname os;
51	pajs	1.1
52	pajs	1.4	#ifdef SOLARIS
53	pajs	1.1	time_t boottime,curtime;
54			kstat_ctl_t *kc;
55			kstat_t *ksp;
56			kstat_named_t *kn;
57	pajs	1.4	#endif
58			#ifdef LINUX
59			FILE *f;
60			#endif
61	ats	1.9	#ifdef ALLBSD
62			int mib[2];
63	pajs	1.5	struct timeval boottime;
64			time_t curtime;
65			size_t size;
66			#endif
67	pajs	1.1
68			if((uname(&os)) < 0){
69			return NULL;
70			}
71
72			general_stat.os_name = os.sysname;
73			general_stat.os_release = os.release;
74			general_stat.os_version = os.version;
75			general_stat.platform = os.machine;
76			general_stat.hostname = os.nodename;
77
78			/* get uptime */
79	pajs	1.4	#ifdef SOLARIS
80	pajs	1.1	if ((kc = kstat_open()) == NULL) {
81			return NULL;
82			}
83			if((ksp=kstat_lookup(kc, "unix", -1, "system_misc"))==NULL){
84			return NULL;
85			}
86			if (kstat_read(kc, ksp, 0) == -1) {
87			return NULL;
88			}
89			if((kn=kstat_data_lookup(ksp, "boot_time")) == NULL){
90			return NULL;
91			}
92			boottime=(kn->value.ui32);
93	pajs	1.2
94			kstat_close(kc);
95	pajs	1.1
96			time(&curtime);
97			general_stat.uptime = curtime - boottime;
98	pajs	1.4	#endif
99			#ifdef LINUX
100			if ((f=fopen("/proc/uptime", "r")) == NULL) {
101			return NULL;
102	ats	1.9	size = sizeof boottime;
103	pajs	1.4	}
104			if((fscanf(f,"%lu %*d",&general_stat.uptime)) != 1){
105			return NULL;
106			}
107			fclose(f);
108	pajs	1.5	#endif
109	ats	1.9	#ifdef ALLBSD
110			mib[0] = CTL_KERN;
111			mib[1] = KERN_BOOTTIME;
112	ats	1.8	size = sizeof boottime;
113	ats	1.9	if (sysctl(mib, 2, &boottime, &size, NULL, 0) < 0){
114	pajs	1.5	return NULL;
115			}
116			time(&curtime);
117			general_stat.uptime=curtime-boottime.tv_sec;
118	pajs	1.4	#endif
119	pajs	1.1
120			return &general_stat;
121
122			}