2 * collectd - src/users.c
3 * Copyright (C) 2005-2007 Sebastian Harl
4 * Copyright (C) 2005 Niki W. Waibel
5 * Copyright (C) 2005-2007 Florian octo Forster
6 * Copyright (C) 2008 Oleg King
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the
10 * Free Software Foundation; only version 2 of the license is applicable.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 * Sebastian Harl <sh at tokkee.org>
23 * Niki W. Waibel <niki.waibel at newlogic.com>
24 * Florian octo Forster <octo at collectd.org>
25 * Oleg King <king2 at kaluga.ru>
31 #include "utils/common/common.h"
35 #endif /* HAVE_STATGRAB_H */
39 /* #endif HAVE_UTMPX_H */
43 /* #endif HAVE_UTMP_H */
46 static void users_submit(gauge_t value) {
47 value_list_t vl = VALUE_LIST_INIT;
49 vl.values = &(value_t){.gauge = value};
51 sstrncpy(vl.plugin, "users", sizeof(vl.plugin));
52 sstrncpy(vl.type, "users", sizeof(vl.plugin));
54 plugin_dispatch_values(&vl);
55 } /* void users_submit */
57 static int users_read(void) {
59 unsigned int users = 0;
60 struct utmpx *entry = NULL;
62 /* according to the *utent(3) man page none of the functions sets errno
63 in case of an error, so we cannot do any error-checking here */
66 while (NULL != (entry = getutxent())) {
67 if (USER_PROCESS == entry->ut_type) {
74 /* #endif HAVE_GETUTXENT */
77 unsigned int users = 0;
78 struct utmp *entry = NULL;
80 /* according to the *utent(3) man page none of the functions sets errno
81 in case of an error, so we cannot do any error-checking here */
84 while (NULL != (entry = getutent())) {
85 if (USER_PROCESS == entry->ut_type) {
92 /* #endif HAVE_GETUTENT */
94 #elif HAVE_LIBSTATGRAB
97 #if HAVE_LIBSTATGRAB_0_90
99 us = sg_get_user_stats(&num_entries);
101 us = sg_get_user_stats();
106 users_submit((gauge_t)
107 #if HAVE_LIBSTATGRAB_0_90
112 /* #endif HAVE_LIBSTATGRAB */
115 #error "No applicable input method."
119 } /* int users_read */
121 void module_register(void) {
122 plugin_register_read("users", users_read);
123 } /* void module_register(void) */