src/plugin.c: Add a user_data_t pointer to log callbacks.

diff --git a/src/logfile.c b/src/logfile.c
index 382386b..26d805a 100644 (file)
--- a/src/logfile.c
+++ b/src/logfile.c
@@ -143,7 +143,8 @@ static void logfile_print (const char *msg, time_t timestamp_time)
        return;
 } /* void logfile_print */
 
-static void logfile_log (int severity, const char *msg)
+static void logfile_log (int severity, const char *msg,
+               user_data_t __attribute__((unused)) *user_data)
 {
        if (severity > log_level)
                return;
@@ -194,7 +195,7 @@ 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);
 } /* void module_register (void) */
 

diff --git a/src/perl.c b/src/perl.c
index b600ca1..e6b7c46 100644 (file)
--- a/src/perl.c
+++ b/src/perl.c
@@ -1933,7 +1933,8 @@ static int perl_write (const data_set_t *ds, const value_list_t *vl,
        return pplugin_call_all (aTHX_ PLUGIN_WRITE, ds, vl);
 } /* static int perl_write (const data_set_t *, const value_list_t *) */
 
-static void perl_log (int level, const char *msg)
+static void perl_log (int level, const char *msg,
+               user_data_t __attribute__((unused)) *user_data)
 {
        dTHX;
 
@@ -2220,7 +2221,7 @@ static int init_pi (int argc, char **argv)
 
        perl_run (aTHX);
 
-       plugin_register_log ("perl", perl_log);
+       plugin_register_log ("perl", perl_log, /* user_data = */ NULL);
        plugin_register_notification ("perl", perl_notify);
        plugin_register_init ("perl", perl_init);
 

diff --git a/src/plugin.c b/src/plugin.c
index 49793dc..41a816f 100644 (file)
--- a/src/plugin.c
+++ b/src/plugin.c
@@ -72,6 +72,13 @@ struct flush_func_s
 };
 typedef struct flush_func_s flush_func_t;
 
+struct log_func_s
+{
+       plugin_log_cb callback;
+       user_data_t udata;
+};
+typedef struct log_func_s log_func_t;
+
 /*
  * Private variables
  */
@@ -648,10 +655,31 @@ int plugin_register_data_set (const data_set_t *ds)
        return (c_avl_insert (data_sets, (void *) ds_copy->type, (void *) ds_copy));
 } /* int plugin_register_data_set */
 
-int plugin_register_log (char *name,
-               void (*callback) (int priority, const char *msg))
+int plugin_register_log (const char *name,
+               plugin_log_cb callback, user_data_t *user_data)
 {
-       return (register_callback (&list_log, name, (void *) callback));
+       log_func_t *lf;
+
+       lf = (log_func_t *) malloc (sizeof (*lf));
+       if (lf == NULL)
+       {
+               ERROR ("plugin_register_log: malloc failed.");
+               return (-1);
+       }
+       memset (lf, 0, sizeof (*lf));
+
+       lf->callback = callback;
+       if (user_data == NULL)
+       {
+               lf->udata.data = NULL;
+               lf->udata.free_func = NULL;
+       }
+       else
+       {
+               lf->udata = *user_data;
+       }
+
+       return (register_callback (&list_log, name, (void *) lf));
 } /* int plugin_register_log */
 
 int plugin_register_notification (const char *name,
@@ -766,7 +794,24 @@ int plugin_unregister_data_set (const char *name)
 
 int plugin_unregister_log (const char *name)
 {
-       return (plugin_unregister (list_log, name));
+       llentry_t *e;
+       log_func_t *lf;
+
+       e = llist_search (list_log, name);
+
+       if (e == NULL)
+               return (-1);
+
+       llist_remove (list_log, e);
+
+       lf = (log_func_t *) e->value;
+       plugin_user_data_destroy (&lf->udata);
+       free (lf);
+       free (e->key);
+
+       llentry_destroy (e);
+
+       return (0);
 }
 
 int plugin_unregister_notification (const char *name)
@@ -1172,8 +1217,6 @@ void plugin_log (int level, const char *format, ...)
 {
        char msg[1024];
        va_list ap;
-
-       void (*callback) (int, const char *);
        llentry_t *le;
 
        if (list_log == NULL)
@@ -1192,8 +1235,11 @@ void plugin_log (int level, const char *format, ...)
        le = llist_head (list_log);
        while (le != NULL)
        {
-               callback = (void (*) (int, const char *)) le->value;
-               (*callback) (level, msg);
+               log_func_t *lf;
+
+               lf = (log_func_t *) le->value;
+
+               lf->callback (level, msg, &lf->udata);
 
                le = le->next;
        }

diff --git a/src/plugin.h b/src/plugin.h
index ed9fdab..b4e5cb3 100644 (file)
--- a/src/plugin.h
+++ b/src/plugin.h
@@ -151,6 +151,8 @@ typedef int (*plugin_write_cb) (const data_set_t *, const value_list_t *,
                user_data_t *);
 typedef int (*plugin_flush_cb) (int timeout, const char *identifier,
                user_data_t *);
+typedef void (*plugin_log_cb) (int severity, const char *message,
+               user_data_t *);
 
 /*
  * NAME
@@ -250,8 +252,8 @@ int plugin_register_flush (const char *name,
 int plugin_register_shutdown (char *name,
                int (*callback) (void));
 int plugin_register_data_set (const data_set_t *ds);
-int plugin_register_log (char *name,
-               void (*callback) (int, const char *));
+int plugin_register_log (const char *name,
+               plugin_log_cb callback, user_data_t *user_data);
 int plugin_register_notification (const char *name,
                int (*callback) (const notification_t *notif));
 

diff --git a/src/syslog.c b/src/syslog.c
index a21bef1..ace9dc6 100644 (file)
--- a/src/syslog.c
+++ b/src/syslog.c
@@ -68,7 +68,8 @@ static int sl_config (const char *key, const char *value)
        return (0);
 } /* int sl_config */
 
-static void sl_log (int severity, const char *msg)
+static void sl_log (int severity, const char *msg,
+               user_data_t __attribute__((unused)) *user_data)
 {
        if (severity > log_level)
                return;
@@ -88,6 +89,6 @@ 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);
+       plugin_register_log ("syslog", sl_log, /* user_data = */ NULL);
        plugin_register_shutdown ("syslog", sl_shutdown);
 } /* void module_register(void) */