Various plugins: Use the IS_TRUE and IS_FALSE macros everywhere.

[collectd.git] / src / logfile.c

diff --git a/src/logfile.c b/src/logfile.c
index 2b546ac..7b96ac5 100644 (file)
--- a/src/logfile.c
+++ b/src/logfile.c
@@ -1,7 +1,7 @@
 /**
  * collectd - src/logfile.c
  * Copyright (C) 2007  Sebastian Harl
- * Copyright (C) 2007  Florian Forster
+ * Copyright (C) 2007,2008  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
@@ -27,6 +27,8 @@
 
 #include <pthread.h>
 
+#define DEFAULT_LOGFILE LOCALSTATEDIR"/log/collectd.log"
+
 #if COLLECT_DEBUG
 static int log_level = LOG_DEBUG;
 #else
@@ -72,9 +74,7 @@ static int logfile_config (const char *key, const char *value)
                log_file = strdup (value);
        }
        else if (0 == strcasecmp (key, "Timestamp")) {
-               if ((strcasecmp (value, "false") == 0)
-                               || (strcasecmp (value, "no") == 0)
-                               || (strcasecmp (value, "off") == 0))
+               if (IS_FALSE (value))
                        print_timestamp = 0;
                else
                        print_timestamp = 1;
@@ -85,20 +85,15 @@ static int logfile_config (const char *key, const char *value)
        return 0;
 } /* int logfile_config (const char *, const char *) */
 
-static void logfile_log (int severity, const char *msg)
+static void logfile_print (const char *msg, time_t timestamp_time)
 {
        FILE *fh;
        int do_close = 0;
-       time_t timestamp_time;
        struct tm timestamp_tm;
        char timestamp_str[64];
 
-       if (severity > log_level)
-               return;
-
        if (print_timestamp)
        {
-               timestamp_time = time (NULL);
                localtime_r (&timestamp_time, &timestamp_tm);
 
                strftime (timestamp_str, sizeof (timestamp_str), "%Y-%m-%d %H:%M:%S",
@@ -108,7 +103,12 @@ static void logfile_log (int severity, const char *msg)
 
        pthread_mutex_lock (&file_lock);
 
-       if ((log_file == NULL) || (strcasecmp (log_file, "stderr") == 0))
+       if (log_file == NULL)
+       {
+               fh = fopen (DEFAULT_LOGFILE, "a");
+               do_close = 1;
+       }
+       else if (strcasecmp (log_file, "stderr") == 0)
                fh = stderr;
        else if (strcasecmp (log_file, "stdout") == 0)
                fh = stdout;
@@ -122,7 +122,7 @@ static void logfile_log (int severity, const char *msg)
        {
                        char errbuf[1024];
                        fprintf (stderr, "logfile plugin: fopen (%s) failed: %s\n",
-                                       (log_file == NULL) ? "<null>" : log_file,
+                                       (log_file == NULL) ? DEFAULT_LOGFILE : log_file,
                                        sstrerror (errno, errbuf, sizeof (errbuf)));
        }
        else
@@ -139,13 +139,65 @@ static void logfile_log (int severity, const char *msg)
        pthread_mutex_unlock (&file_lock);
 
        return;
+} /* void logfile_print */
+
+static void logfile_log (int severity, const char *msg,
+               user_data_t __attribute__((unused)) *user_data)
+{
+       if (severity > log_level)
+               return;
+
+       logfile_print (msg, time (NULL));
 } /* void logfile_log (int, const char *) */
 
+static int logfile_notification (const notification_t *n,
+               user_data_t __attribute__((unused)) *user_data)
+{
+       char  buf[1024] = "";
+       char *buf_ptr = buf;
+       int   buf_len = sizeof (buf);
+       int status;
+
+       status = ssnprintf (buf_ptr, buf_len, "Notification: severity = %s",
+                       (n->severity == NOTIF_FAILURE) ? "FAILURE"
+                       : ((n->severity == NOTIF_WARNING) ? "WARNING"
+                               : ((n->severity == NOTIF_OKAY) ? "OKAY" : "UNKNOWN")));
+       if (status > 0)
+       {
+               buf_ptr += status;
+               buf_len -= status;
+       }
+
+#define APPEND(bufptr, buflen, key, value) \
+       if ((buflen > 0) && (strlen (value) > 0)) { \
+               int status = ssnprintf (bufptr, buflen, ", %s = %s", key, value); \
+               if (status > 0) { \
+                       bufptr += status; \
+                       buflen -= status; \
+               } \
+       }
+       APPEND (buf_ptr, buf_len, "host", n->host);
+       APPEND (buf_ptr, buf_len, "plugin", n->plugin);
+       APPEND (buf_ptr, buf_len, "plugin_instance", n->plugin_instance);
+       APPEND (buf_ptr, buf_len, "type", n->type);
+       APPEND (buf_ptr, buf_len, "type_instance", n->type_instance);
+       APPEND (buf_ptr, buf_len, "message", n->message);
+
+       buf[sizeof (buf) - 1] = '\0';
+
+       logfile_print (buf,
+                       (n->time > 0) ? n->time : time (NULL));
+
+       return (0);
+} /* int logfile_notification */
+
 void module_register (void)
 {
        plugin_register_config ("logfile", logfile_config,
                        config_keys, config_keys_num);
-       plugin_register_log ("logfile", logfile_log);
+       plugin_register_log ("logfile", logfile_log, /* user_data = */ NULL);
+       plugin_register_notification ("logfile", logfile_notification,
+                       /* user_data = */ NULL);
 } /* void module_register (void) */
 
 /* vim: set sw=4 ts=4 tw=78 noexpandtab : */