plugin: Added support for log callbacks.

[sysdb.git] / src / include / core / plugin.h

diff --git a/src/include/core/plugin.h b/src/include/core/plugin.h
index ac8656ab3b36c8a76a10c1abac91feb96fe15d92..79a171ab16330ed047b2aef2afc043e8217f4d98 100644 (file)
--- a/src/include/core/plugin.h
+++ b/src/include/core/plugin.h
@@ -92,6 +92,8 @@ typedef int (*sdb_plugin_config_cb)(oconfig_item_t *ci);
 typedef int (*sdb_plugin_init_cb)(sdb_object_t *user_data);
 typedef int (*sdb_plugin_collector_cb)(sdb_object_t *user_data);
 typedef int (*sdb_plugin_shutdown_cb)(sdb_object_t *user_data);
+typedef int (*sdb_plugin_log_cb)(int prio, const char *msg,
+               sdb_object_t *user_data);
 
 /*
  * sdb_plugin_register_config:
@@ -173,6 +175,20 @@ sdb_plugin_register_shutdown(const char *name,
                sdb_plugin_shutdown_cb callback,
                sdb_object_t *user_data);
 
+/*
+ * sdb_plugin_register_log:
+ * Register a "log" function to be called whenever logging is to be done.
+ *
+ * Arguments:
+ *  - user_data: If specified, this will be passed on to each call of the
+ *    callback. The function will take ownership of the object, that is,
+ *    increment the reference count by one. In case the caller does not longer
+ *    use the object for other purposes, it should thus deref it.
+ */
+int
+sdb_plugin_register_log(const char *name, sdb_plugin_log_cb callback,
+               sdb_object_t *user_data);
+
 /*
  * sdb_plugin_get_ctx, sdb_plugin_set_ctx:
  * The plugin context defines a set of settings that are available whenever a
@@ -216,6 +232,14 @@ sdb_plugin_init_all(void);
 int
 sdb_plugin_collector_loop(sdb_plugin_loop_t *loop);
 
+/*
+ * sdb_plugin_log:
+ * Log the specified message using all registered log callbacks. The message
+ * will be logged with the specified priority.
+ */
+int
+sdb_plugin_log(int prio, const char *msg);
+
 #ifdef __cplusplus
 } /* extern "C" */
 #endif