/**
* collectd - src/syslog.c
- * Copyright (C) 2007 Florian Forster
+ * Copyright (C) 2007 Florian Forster
*
- * 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.
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
*
- * 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.
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
*
- * 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.,
- * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
*
* Authors:
- * Florian Forster <octo at verplant.org>
+ * Florian Forster <octo at collectd.org>
**/
#include "collectd.h"
+
#include "common.h"
#include "plugin.h"
#if HAVE_SYSLOG_H
-# include <syslog.h>
+#include <syslog.h>
#endif
#if COLLECT_DEBUG
#else
static int log_level = LOG_INFO;
#endif /* COLLECT_DEBUG */
+static int notif_severity;
-static const char *config_keys[] =
-{
- "LogLevel"
+static const char *config_keys[] = {
+ "LogLevel", "NotifyLevel",
};
static int config_keys_num = STATIC_ARRAY_SIZE(config_keys);
-static int sl_config (const char *key, const char *value)
-{
- if (strcasecmp (key, "LogLevel") == 0)
- {
- if ((strcasecmp (value, "emerg") == 0)
- || (strcasecmp (value, "alert") == 0)
- || (strcasecmp (value, "crit") == 0)
- || (strcasecmp (value, "err") == 0))
- log_level = LOG_ERR;
- else if (strcasecmp (value, "warning") == 0)
- log_level = LOG_WARNING;
- else if (strcasecmp (value, "notice") == 0)
- log_level = LOG_NOTICE;
- else if (strcasecmp (value, "info") == 0)
- log_level = LOG_INFO;
-#if COLLECT_DEBUG
- else if (strcasecmp (value, "debug") == 0)
- log_level = LOG_DEBUG;
-#endif
- else
- return (1);
- }
- else
- return (-1);
+static int sl_config(const char *key, const char *value) {
+ if (strcasecmp(key, "LogLevel") == 0) {
+ log_level = parse_log_severity(value);
+ if (log_level < 0) {
+ log_level = LOG_INFO;
+ ERROR("syslog: invalid loglevel [%s] defaulting to 'info'", value);
+ return 1;
+ }
+ } else if (strcasecmp(key, "NotifyLevel") == 0) {
+ notif_severity = parse_notif_severity(value);
+ if (notif_severity < 0)
+ return 1;
+ }
- return (0);
+ return 0;
} /* int sl_config */
-static void sl_log (int severity, const char *msg,
- user_data_t __attribute__((unused)) *user_data)
-{
- if (severity > log_level)
- return;
+static void sl_log(int severity, const char *msg,
+ user_data_t __attribute__((unused)) * user_data) {
+ if (severity > log_level)
+ return;
- syslog (severity, "%s", msg);
+ syslog(severity, "%s", msg);
} /* void sl_log */
-static int sl_shutdown (void)
-{
- closelog ();
+static int sl_shutdown(void) {
+ closelog();
- return (0);
+ return 0;
}
-void module_register (void)
-{
- openlog ("collectd", LOG_CONS | LOG_PID, LOG_DAEMON);
+static int sl_notification(const notification_t *n,
+ user_data_t __attribute__((unused)) * user_data) {
+ char buf[1024] = "";
+ size_t offset = 0;
+ int log_severity;
+ const char *severity_string;
+ int status;
+
+ if (n->severity > notif_severity)
+ return 0;
+
+ switch (n->severity) {
+ case NOTIF_FAILURE:
+ severity_string = "FAILURE";
+ log_severity = LOG_ERR;
+ break;
+ case NOTIF_WARNING:
+ severity_string = "WARNING";
+ log_severity = LOG_WARNING;
+ break;
+ case NOTIF_OKAY:
+ severity_string = "OKAY";
+ log_severity = LOG_NOTICE;
+ break;
+ default:
+ severity_string = "UNKNOWN";
+ log_severity = LOG_ERR;
+ }
+
+#define BUFFER_ADD(...) \
+ do { \
+ status = snprintf(&buf[offset], sizeof(buf) - offset, __VA_ARGS__); \
+ if (status < 1) \
+ return -1; \
+ else if (((size_t)status) >= (sizeof(buf) - offset)) \
+ return -ENOMEM; \
+ else \
+ offset += ((size_t)status); \
+ } while (0)
+
+#define BUFFER_ADD_FIELD(field) \
+ do { \
+ if (n->field[0]) \
+ BUFFER_ADD(", " #field " = %s", n->field); \
+ } while (0)
+
+ BUFFER_ADD("Notification: severity = %s", severity_string);
+ BUFFER_ADD_FIELD(host);
+ BUFFER_ADD_FIELD(plugin);
+ BUFFER_ADD_FIELD(plugin_instance);
+ BUFFER_ADD_FIELD(type);
+ BUFFER_ADD_FIELD(type_instance);
+ BUFFER_ADD_FIELD(message);
+
+#undef BUFFER_ADD_FIELD
+#undef BUFFER_ADD
+
+ buf[sizeof(buf) - 1] = '\0';
+
+ sl_log(log_severity, buf, NULL);
+
+ return 0;
+} /* int sl_notification */
+
+void module_register(void) {
+ openlog("collectd", LOG_CONS | LOG_PID, LOG_DAEMON);
- plugin_register_config ("syslog", sl_config, config_keys, config_keys_num);
- plugin_register_log ("syslog", sl_log, /* user_data = */ NULL);
- plugin_register_shutdown ("syslog", sl_shutdown);
+ plugin_register_config("syslog", sl_config, config_keys, config_keys_num);
+ plugin_register_log("syslog", sl_log, /* user_data = */ NULL);
+ plugin_register_notification("syslog", sl_notification, NULL);
+ plugin_register_shutdown("syslog", sl_shutdown);
} /* void module_register(void) */