1 files changed, 114 insertions, 0 deletions
diff --git a/src/lib/lib-event-private.h b/src/lib/lib-event-private.h
new file mode 100644
index 0000000..f6d961a
--- /dev/null
+++ b/src/lib/lib-event-private.h
@@ -0,0 +1,114 @@
+#ifndef LIB_EVENT_PRIVATE_H
+#define LIB_EVENT_PRIVATE_H
+
+#include <sys/resource.h>
+
+struct event_pointer {
+	const char *key;
+	void *value;
+};
+
+struct event {
+	/* linked list of all events, newest first */
+	struct event *prev, *next;
+
+	int refcount;
+	pool_t pool;
+	struct event *parent;
+	uint64_t id;
+
+	/* Avoid sending the event to stats over and over.  The 'change_id'
+	   increments every time something about this event changes.  If
+	   'sent_to_stats_id' matches 'change_id', we skip sending this
+	   event out.  If it doesn't match, we send it and set
+	   'sent_to_stats_id' to 'change_id'. sent_to_stats_id=0 is reserved
+	   for "event hasn't been sent". 'change_id' can never be 0. */
+	uint32_t change_id;
+	uint32_t sent_to_stats_id;
+
+	char *log_prefix;
+	unsigned int log_prefixes_dropped;
+	/* sending_debug_log can be used if this value matches
+	   event_filter_replace_counter. */
+	unsigned int debug_level_checked_filter_counter;
+	event_log_prefix_callback_t *log_prefix_callback;
+	void *log_prefix_callback_context;
+	event_log_message_callback_t *log_message_callback;
+	void *log_message_callback_context;
+	ARRAY(struct event_pointer) pointers;
+	/* If the event's log level is at least this high, log it. If it's
+	   lower, check for debug log filters etc. */
+	enum log_type min_log_level;
+
+	bool log_prefix_from_system_pool:1;
+	bool log_prefix_replace:1;
+	bool passthrough:1;
+	bool forced_debug:1;
+	bool always_log_source:1;
+	bool sending_debug_log:1;
+
+/* Fields that are exported & imported: */
+	struct timeval tv_created_ioloop;
+	struct timeval tv_created;
+	struct timeval tv_last_sent;
+	struct rusage ru_last;
+
+	const char *source_filename;
+	unsigned int source_linenum;
+
+	/* This is the event's name while it's being sent. It'll be removed
+	   after the event is sent. */
+	char *sending_name;
+
+	ARRAY(struct event_category *) categories;
+	ARRAY(struct event_field) fields;
+};
+
+enum event_callback_type {
+	/* Event was just created */
+	EVENT_CALLBACK_TYPE_CREATE,
+	/* Event is being sent */
+	EVENT_CALLBACK_TYPE_SEND,
+	/* Event is being freed */
+	EVENT_CALLBACK_TYPE_FREE,
+};
+
+/* Returns TRUE if the event should continue to the next handler. Unless
+   stopped, the final handler logs the event if it matches the log filter. */
+typedef bool event_callback_t(struct event *event,
+			      enum event_callback_type type,
+			      struct failure_context *ctx,
+			      const char *fmt, va_list args);
+/* Called when category is registered or unregistered. The parent category
+   is always already registered. */
+typedef void event_category_callback_t(struct event_category *category);
+
+void event_send(struct event *event, struct failure_context *ctx,
+		const char *fmt, ...) ATTR_FORMAT(3, 4);
+void event_vsend(struct event *event, struct failure_context *ctx,
+		 const char *fmt, va_list args) ATTR_FORMAT(3, 0);
+
+struct event *events_get_head(void);
+
+/* Find event category by name. This only finds registered categories. */
+struct event_category *event_category_find_registered(const char *name);
+/* Return all registered categories. */
+struct event_category *const *
+event_get_registered_categories(unsigned int *count_r);
+
+/* Register callback to be called for event's different states. */
+void event_register_callback(event_callback_t *callback);
+void event_unregister_callback(event_callback_t *callback);
+
+/* Register callback to be called whenever categories are registered or
+   unregistered. */
+void event_category_register_callback(event_category_callback_t *callback);
+void event_category_unregister_callback(event_category_callback_t *callback);
+
+static inline void event_recalculate_debug_level(struct event *event)
+{
+	event->debug_level_checked_filter_counter =
+		event_filter_replace_counter - 1;
+}
+
+#endif