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root/i-scream/projects/cms/source/ihost/libstatgrab/os_info.c
Revision: 1.6
Committed: Tue May 21 16:47:12 2002 UTC (22 years, 6 months ago) by tdb
Content type: text/plain
Branch: MAIN
Changes since 1.5: +1 -0 lines
Log Message:
Added URL to GPL headers.

File Contents

# Content
1 /*
2 * i-scream central monitoring system
3 * http://www.i-scream.org.uk
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 #include <sys/utsname.h>
22 #include "ukcprog.h"
23 #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 #include <sys/time.h>
33 #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 size_t size;
52 #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 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
117 return xml_os_info;
118 }