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
 */

#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:	1.12
Committed:	Fri Jan 16 15:54:54 2004 UTC (20 years, 4 months ago) by tdb
Content type:	text/plain
Branch:	MAIN
Changes since 1.11:	+13 -12 lines
Log Message:	Alter the licensing of libstatgrab. The library part is now under the LGPL, whilst the tools/examples are under the GPL. Both licenses are included in the distribution (and are both now in CVS). Also made a minor alteration to the webpage where it said everything was licensed under the GPL.
#	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	pajs	1.1	*/
21
22			#ifdef HAVE_CONFIG_H
23			#include "config.h"
24			#endif
25
26	tdb	1.3	#include <sys/utsname.h>
27	pajs	1.1	#include "statgrab.h"
28	ats	1.9	#include <stdlib.h>
29	pajs	1.1	#ifdef SOLARIS
30			#include <kstat.h>
31			#include <time.h>
32			#endif
33	ats	1.11	#if defined(LINUX) \|\| defined(CYGWIN)
34	pajs	1.4	#include <stdio.h>
35			#endif
36	ats	1.9	#ifdef ALLBSD
37	pajs	1.5	#ifdef FREEBSD
38			#include <sys/types.h>
39			#include <sys/sysctl.h>
40	ats	1.9	#else
41			#include <sys/param.h>
42			#include <sys/sysctl.h>
43			#endif
44	pajs	1.5	#include <time.h>
45			#include <sys/time.h>
46			#endif
47	pajs	1.1
48			general_stat_t *get_general_stats(){
49
50			static general_stat_t general_stat;
51	pajs	1.4	static struct utsname os;
52	pajs	1.1
53	pajs	1.4	#ifdef SOLARIS
54	pajs	1.1	time_t boottime,curtime;
55			kstat_ctl_t *kc;
56			kstat_t *ksp;
57			kstat_named_t *kn;
58	pajs	1.4	#endif
59	ats	1.11	#if defined(LINUX) \|\| defined(CYGWIN)
60	pajs	1.4	FILE *f;
61			#endif
62	ats	1.9	#ifdef ALLBSD
63			int mib[2];
64	pajs	1.5	struct timeval boottime;
65			time_t curtime;
66			size_t size;
67			#endif
68	pajs	1.1
69			if((uname(&os)) < 0){
70			return NULL;
71			}
72
73			general_stat.os_name = os.sysname;
74			general_stat.os_release = os.release;
75			general_stat.os_version = os.version;
76			general_stat.platform = os.machine;
77			general_stat.hostname = os.nodename;
78
79			/* get uptime */
80	pajs	1.4	#ifdef SOLARIS
81	pajs	1.1	if ((kc = kstat_open()) == NULL) {
82			return NULL;
83			}
84			if((ksp=kstat_lookup(kc, "unix", -1, "system_misc"))==NULL){
85			return NULL;
86			}
87			if (kstat_read(kc, ksp, 0) == -1) {
88			return NULL;
89			}
90			if((kn=kstat_data_lookup(ksp, "boot_time")) == NULL){
91			return NULL;
92			}
93			boottime=(kn->value.ui32);
94	pajs	1.2
95			kstat_close(kc);
96	pajs	1.1
97			time(&curtime);
98			general_stat.uptime = curtime - boottime;
99	pajs	1.4	#endif
100	ats	1.11	#if defined(LINUX) \|\| defined(CYGWIN)
101	pajs	1.4	if ((f=fopen("/proc/uptime", "r")) == NULL) {
102			return NULL;
103			}
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			}