1 /**
2 * collectd - src/syslog.c
3 * Copyright (C) 2007 Florian Forster
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License as published by the
7 * Free Software Foundation; either version 2 of the License, or (at your
8 * option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18 *
19 * Authors:
20 * Florian Forster <octo at verplant.org>
21 **/
23 #include "collectd.h"
24 #include "common.h"
25 #include "plugin.h"
27 #if HAVE_SYSLOG_H
28 # include <syslog.h>
29 #endif
31 #if COLLECT_DEBUG
32 static int log_level = LOG_DEBUG;
33 #else
34 static int log_level = LOG_INFO;
35 #endif /* COLLECT_DEBUG */
37 static const char *config_keys[] =
38 {
39 "LogLevel"
40 };
41 static int config_keys_num = STATIC_ARRAY_SIZE(config_keys);
43 static int sl_config (const char *key, const char *value)
44 {
45 if (strcasecmp (key, "LogLevel") == 0)
46 {
47 if ((strcasecmp (value, "emerg") == 0)
48 || (strcasecmp (value, "alert") == 0)
49 || (strcasecmp (value, "crit") == 0)
50 || (strcasecmp (value, "err") == 0))
51 log_level = LOG_ERR;
52 else if (strcasecmp (value, "warning") == 0)
53 log_level = LOG_WARNING;
54 else if (strcasecmp (value, "notice") == 0)
55 log_level = LOG_NOTICE;
56 else if (strcasecmp (value, "info") == 0)
57 log_level = LOG_INFO;
58 #if COLLECT_DEBUG
59 else if (strcasecmp (value, "debug") == 0)
60 log_level = LOG_DEBUG;
61 #endif
62 else
63 return (1);
64 }
65 else
66 return (-1);
68 return (0);
69 } /* int sl_config */
71 static void sl_log (int severity, const char *msg,
72 user_data_t __attribute__((unused)) *user_data)
73 {
74 if (severity > log_level)
75 return;
77 syslog (severity, "%s", msg);
78 } /* void sl_log */
80 static int sl_shutdown (void)
81 {
82 closelog ();
84 return (0);
85 }
87 void module_register (void)
88 {
89 openlog ("collectd", LOG_CONS | LOG_PID, LOG_DAEMON);
91 plugin_register_config ("syslog", sl_config, config_keys, config_keys_num);
92 plugin_register_log ("syslog", sl_log, /* user_data = */ NULL);
93 plugin_register_shutdown ("syslog", sl_shutdown);
94 } /* void module_register(void) */