2 * collectd - src/syslog.c
3 * Copyright (C) 2007 Florian Forster
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
24 * Florian Forster <octo at collectd.org>
36 static int log_level = LOG_DEBUG;
38 static int log_level = LOG_INFO;
39 #endif /* COLLECT_DEBUG */
40 static int notif_severity = 0;
42 static const char *config_keys[] =
47 static int config_keys_num = STATIC_ARRAY_SIZE(config_keys);
49 static int sl_config (const char *key, const char *value)
51 if (strcasecmp (key, "LogLevel") == 0)
53 log_level = parse_log_severity (value);
57 ERROR ("syslog: invalid loglevel [%s] defaulting to 'info'", value);
61 else if (strcasecmp (key, "NotifyLevel") == 0)
63 notif_severity = parse_notif_severity (value);
64 if (notif_severity < 0)
71 static void sl_log (int severity, const char *msg,
72 user_data_t __attribute__((unused)) *user_data)
74 if (severity > log_level)
77 syslog (severity, "%s", msg);
80 static int sl_shutdown (void)
87 static int sl_notification (const notification_t *n,
88 user_data_t __attribute__((unused)) *user_data)
93 const char *severity_string;
96 if (n->severity > notif_severity)
102 severity_string = "FAILURE";
103 log_severity = LOG_ERR;
106 severity_string = "WARNING";
107 log_severity = LOG_WARNING;
110 severity_string = "OKAY";
111 log_severity = LOG_NOTICE;
114 severity_string = "UNKNOWN";
115 log_severity = LOG_ERR;
118 #define BUFFER_ADD(...) do { \
119 status = ssnprintf (&buf[offset], sizeof (buf) - offset, \
123 else if (((size_t) status) >= (sizeof (buf) - offset)) \
126 offset += ((size_t) status); \
129 #define BUFFER_ADD_FIELD(field) do { \
131 BUFFER_ADD (", " #field " = %s", n->field); \
134 BUFFER_ADD ("Notification: severity = %s", severity_string);
135 BUFFER_ADD_FIELD (host);
136 BUFFER_ADD_FIELD (plugin);
137 BUFFER_ADD_FIELD (plugin_instance);
138 BUFFER_ADD_FIELD (type);
139 BUFFER_ADD_FIELD (type_instance);
140 BUFFER_ADD_FIELD (message);
142 #undef BUFFER_ADD_FIELD
145 buf[sizeof (buf) - 1] = '\0';
147 sl_log (log_severity, buf, NULL);
150 } /* int sl_notification */
152 void module_register (void)
154 openlog ("collectd", LOG_CONS | LOG_PID, LOG_DAEMON);
156 plugin_register_config ("syslog", sl_config, config_keys, config_keys_num);
157 plugin_register_log ("syslog", sl_log, /* user_data = */ NULL);
158 plugin_register_notification ("syslog", sl_notification, NULL);
159 plugin_register_shutdown ("syslog", sl_shutdown);
160 } /* void module_register(void) */