src/libstatgrab/os_info.c

/*
 * i-scream central monitoring system
 * http://www.i-scream.org
 * Copyright (C) 2000-2004 i-scream
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library 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
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
 * 02111-1307 USA
 *
 * $Id$
 */

#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
#if defined(LINUX) || defined(CYGWIN)
#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
#if defined(LINUX) || defined(CYGWIN)
        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
#if defined(LINUX) || defined(CYGWIN)
        if ((f=fopen("/proc/uptime", "r")) == NULL) {
                return NULL;
        }
        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:	1.13
Committed:	Mon Jan 19 16:49:21 2004 UTC (20 years, 3 months ago) by tdb
Content type:	text/plain
Branch:	MAIN
CVS Tags:	LIBSTATGRAB_0_8_2, LIBSTATGRAB_0_8_1
Changes since 1.12:	+2 -0 lines
Log Message:	A whole bunch of minor cosmetic changes.
#	User	Rev	Content
1	tdb	1.12	/*
2	pajs	1.1	* i-scream central monitoring system
3	tdb	1.6	* http://www.i-scream.org
4	tdb	1.12	* Copyright (C) 2000-2004 i-scream
5	pajs	1.1	*
6	tdb	1.12	* This library is free software; you can redistribute it and/or
7			* modify it under the terms of the GNU Lesser General Public
8			* License as published by the Free Software Foundation; either
9			* version 2.1 of the License, or (at your option) any later version.
10	pajs	1.1	*
11	tdb	1.12	* This library is distributed in the hope that it will be useful,
12	pajs	1.1	* but WITHOUT ANY WARRANTY; without even the implied warranty of
13	tdb	1.12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14			* Lesser General Public License for more details.
15	pajs	1.1	*
16	tdb	1.12	* You should have received a copy of the GNU Lesser General Public
17			* License along with this library; if not, write to the Free Software
18			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
19			* 02111-1307 USA
20	tdb	1.13	*
21			* $Id$
22	pajs	1.1	*/
23
24			#ifdef HAVE_CONFIG_H
25			#include "config.h"
26			#endif
27
28	tdb	1.3	#include <sys/utsname.h>
29	pajs	1.1	#include "statgrab.h"
30	ats	1.9	#include <stdlib.h>
31	pajs	1.1	#ifdef SOLARIS
32			#include <kstat.h>
33			#include <time.h>
34			#endif
35	ats	1.11	#if defined(LINUX) \|\| defined(CYGWIN)
36	pajs	1.4	#include <stdio.h>
37			#endif
38	ats	1.9	#ifdef ALLBSD
39	pajs	1.5	#ifdef FREEBSD
40			#include <sys/types.h>
41			#include <sys/sysctl.h>
42	ats	1.9	#else
43			#include <sys/param.h>
44			#include <sys/sysctl.h>
45			#endif
46	pajs	1.5	#include <time.h>
47			#include <sys/time.h>
48			#endif
49	pajs	1.1
50			general_stat_t *get_general_stats(){
51
52			static general_stat_t general_stat;
53	pajs	1.4	static struct utsname os;
54	pajs	1.1
55	pajs	1.4	#ifdef SOLARIS
56	pajs	1.1	time_t boottime,curtime;
57			kstat_ctl_t *kc;
58			kstat_t *ksp;
59			kstat_named_t *kn;
60	pajs	1.4	#endif
61	ats	1.11	#if defined(LINUX) \|\| defined(CYGWIN)
62	pajs	1.4	FILE *f;
63			#endif
64	ats	1.9	#ifdef ALLBSD
65			int mib[2];
66	pajs	1.5	struct timeval boottime;
67			time_t curtime;
68			size_t size;
69			#endif
70	pajs	1.1
71			if((uname(&os)) < 0){
72			return NULL;
73			}
74
75			general_stat.os_name = os.sysname;
76			general_stat.os_release = os.release;
77			general_stat.os_version = os.version;
78			general_stat.platform = os.machine;
79			general_stat.hostname = os.nodename;
80
81			/* get uptime */
82	pajs	1.4	#ifdef SOLARIS
83	pajs	1.1	if ((kc = kstat_open()) == NULL) {
84			return NULL;
85			}
86			if((ksp=kstat_lookup(kc, "unix", -1, "system_misc"))==NULL){
87			return NULL;
88			}
89			if (kstat_read(kc, ksp, 0) == -1) {
90			return NULL;
91			}
92			if((kn=kstat_data_lookup(ksp, "boot_time")) == NULL){
93			return NULL;
94			}
95			boottime=(kn->value.ui32);
96	pajs	1.2
97			kstat_close(kc);
98	pajs	1.1
99			time(&curtime);
100			general_stat.uptime = curtime - boottime;
101	pajs	1.4	#endif
102	ats	1.11	#if defined(LINUX) \|\| defined(CYGWIN)
103	pajs	1.4	if ((f=fopen("/proc/uptime", "r")) == NULL) {
104			return NULL;
105			}
106			if((fscanf(f,"%lu %*d",&general_stat.uptime)) != 1){
107			return NULL;
108			}
109			fclose(f);
110	pajs	1.5	#endif
111	ats	1.9	#ifdef ALLBSD
112			mib[0] = CTL_KERN;
113			mib[1] = KERN_BOOTTIME;
114	ats	1.8	size = sizeof boottime;
115	ats	1.9	if (sysctl(mib, 2, &boottime, &size, NULL, 0) < 0){
116	pajs	1.5	return NULL;
117			}
118			time(&curtime);
119			general_stat.uptime=curtime-boottime.tv_sec;
120	pajs	1.4	#endif
121	pajs	1.1
122			return &general_stat;
123
124			}