ihost/libstatgrab/os_info.c

/* 
 * i-scream central monitoring system
 * http://www.i-scream.org.uk
 * 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 <sys/utsname.h>
#include "ukcprog.h"
#include <stdio.h>
#ifdef SOLARIS
#include <kstat.h>
#include <time.h>
#endif
#ifdef FREEBSD
#include <sys/types.h>
#include <sys/sysctl.h>
#include <time.h>
#include <sys/time.h>
#endif

char *get_os_info(){
        char *xml_os_info;
        struct utsname os;
        long uptime;
#ifdef SOLARIS
        time_t boottime,curtime;
        kstat_ctl_t *kc;
        kstat_t *ksp;
        kstat_named_t *kn;
#endif
#ifdef LINUX
        FILE *f;
#endif
#ifdef FREEBSD
        struct timeval boottime;
        time_t curtime;
        size_t size;
#endif
        if((uname(&os)) < 0){
                errf("Failed to get os stats (%m)");
                return NULL;
        }

        /* Get the uptime */
#ifdef SOLARIS
        if ((kc = kstat_open()) == NULL) {
                errf("kstat_open failure (%m)");
                return NULL;
        }
        if((ksp=kstat_lookup(kc, "unix", -1, "system_misc"))==NULL){
                errf("failed to find lookup information (%m)");
                return NULL;
        }
        if (kstat_read(kc, ksp, 0) == -1) {
                errf("Failed to read kernel information (%m)");
                return NULL;
        }
        if((kn=kstat_data_lookup(ksp, "boot_time")) == NULL){
                errf("Failed to get uptime (%m)");
                return NULL;
        }
        boottime=(kn->value.ui32);
        time(&curtime);
        if((kstat_close(kc)) != 0){
                errf("Failed to close kstat control structure (%m)");
                return NULL;
        }
        uptime=curtime-boottime;
#endif
#ifdef LINUX
        if ((f=fopen("/proc/uptime", "r")) == NULL) {
                errf("Failed to open /proc/uptime (%m)");
                return NULL;
        }
        if((fscanf(f,"%ld",&uptime)) != 1){
                errf("Failed to read uptime (%m)");
                return NULL;
        }
        if ((fclose(f)) != 0) {
                errf("Failed to close file (%m)");
                return NULL;
        }
#endif
#ifdef FREEBSD
        #define BOOT_TIME_NAME "kern.boottime"

        if (sysctlbyname(BOOT_TIME_NAME, NULL, &size, NULL, NULL) < 0){
                errf("sysctlbyname failed (%m)");
                return NULL;
        }
        if (sysctlbyname(BOOT_TIME_NAME, &boottime, &size, NULL, NULL) < 0){
                errf("sysctlbyname failed (%m)");
                return NULL;
        }
        time(&curtime);
        uptime=curtime-boottime.tv_sec;
        
#endif


        xml_os_info=strf("<os><name>%s</name><release>%s</release><version>%s</version><sysname>%s</sysname><platform>%s</platform><uptime>%ld</uptime></os>", os.sysname, os.release, os.version, os.nodename, os.machine, uptime);

        return xml_os_info;
}
Revision:	1.6
Committed:	Tue May 21 16:47:12 2002 UTC (23 years, 7 months ago) by tdb
Content type:	text/plain
Branch:	MAIN
Changes since 1.5:	+1 -0 lines
Log Message:	Added URL to GPL headers.
#	User	Rev	Content
1	tdb	1.4	/*
2			* i-scream central monitoring system
3	tdb	1.6	* http://www.i-scream.org.uk
4	tdb	1.4	* Copyright (C) 2000-2002 i-scream
5			*
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	pajs	1.1	#include <sys/utsname.h>
22	pajs	1.5	#include "ukcprog.h"
23	pajs	1.1	#include <stdio.h>
24			#ifdef SOLARIS
25			#include <kstat.h>
26			#include <time.h>
27			#endif
28			#ifdef FREEBSD
29			#include <sys/types.h>
30			#include <sys/sysctl.h>
31			#include <time.h>
32	pajs	1.2	#include <sys/time.h>
33	pajs	1.1	#endif
34
35			char *get_os_info(){
36			char *xml_os_info;
37			struct utsname os;
38			long uptime;
39			#ifdef SOLARIS
40			time_t boottime,curtime;
41			kstat_ctl_t *kc;
42			kstat_t *ksp;
43			kstat_named_t *kn;
44			#endif
45			#ifdef LINUX
46			FILE *f;
47			#endif
48			#ifdef FREEBSD
49			struct timeval boottime;
50			time_t curtime;
51	pajs	1.2	size_t size;
52	pajs	1.1	#endif
53			if((uname(&os)) < 0){
54			errf("Failed to get os stats (%m)");
55			return NULL;
56			}
57
58			/* Get the uptime */
59			#ifdef SOLARIS
60			if ((kc = kstat_open()) == NULL) {
61			errf("kstat_open failure (%m)");
62			return NULL;
63			}
64			if((ksp=kstat_lookup(kc, "unix", -1, "system_misc"))==NULL){
65			errf("failed to find lookup information (%m)");
66			return NULL;
67			}
68			if (kstat_read(kc, ksp, 0) == -1) {
69			errf("Failed to read kernel information (%m)");
70			return NULL;
71			}
72			if((kn=kstat_data_lookup(ksp, "boot_time")) == NULL){
73			errf("Failed to get uptime (%m)");
74			return NULL;
75			}
76			boottime=(kn->value.ui32);
77			time(&curtime);
78			if((kstat_close(kc)) != 0){
79			errf("Failed to close kstat control structure (%m)");
80			return NULL;
81			}
82			uptime=curtime-boottime;
83			#endif
84			#ifdef LINUX
85			if ((f=fopen("/proc/uptime", "r")) == NULL) {
86			errf("Failed to open /proc/uptime (%m)");
87			return NULL;
88			}
89			if((fscanf(f,"%ld",&uptime)) != 1){
90			errf("Failed to read uptime (%m)");
91			return NULL;
92			}
93			if ((fclose(f)) != 0) {
94			errf("Failed to close file (%m)");
95			return NULL;
96			}
97			#endif
98			#ifdef FREEBSD
99			#define BOOT_TIME_NAME "kern.boottime"
100
101			if (sysctlbyname(BOOT_TIME_NAME, NULL, &size, NULL, NULL) < 0){
102			errf("sysctlbyname failed (%m)");
103			return NULL;
104			}
105			if (sysctlbyname(BOOT_TIME_NAME, &boottime, &size, NULL, NULL) < 0){
106			errf("sysctlbyname failed (%m)");
107			return NULL;
108			}
109			time(&curtime);
110			uptime=curtime-boottime.tv_sec;
111
112			#endif
113
114
115	tdb	1.3	xml_os_info=strf("<os><name>%s</name><release>%s</release><version>%s</version><sysname>%s</sysname><platform>%s</platform><uptime>%ld</uptime></os>", os.sysname, os.release, os.version, os.nodename, os.machine, uptime);
116	pajs	1.1
117			return xml_os_info;
118			}