X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fagent.h;fp=src%2Fbin%2Flttng-sessiond%2Fagent.h;h=72aa48108cfc5f4cacc2d0e5a3851d5ee38e9191;hp=f8e67efdae82b7130e951d721859841991fa2e76;hb=2463b7879c00298daa79744cdaae82ac061a4ed8;hpb=3a4595c2469472dee1656cde5f8882c2123efd3c

diff --git a/src/bin/lttng-sessiond/agent.h b/src/bin/lttng-sessiond/agent.h
index f8e67efda..72aa48108 100644
--- a/src/bin/lttng-sessiond/agent.h
+++ b/src/bin/lttng-sessiond/agent.h
@@ -24,11 +24,15 @@
  */
 extern struct lttng_ht *agent_apps_ht_by_sock;
 
+/*
+ * Hash table that contains the trigger agents by domain */
+extern struct lttng_ht *trigger_agents_ht_by_domain;
+
 struct agent_ht_key {
 	const char *name;
 	int loglevel_value;
 	enum lttng_loglevel_type loglevel_type;
-	char *filter_expression;
+	const char *filter_expression;
 };
 
 /*
@@ -84,9 +88,15 @@ struct agent_event {
 	struct lttng_ht_node_str node;
 
 	/* Filter associated with the event. NULL if none. */
-	struct lttng_filter_bytecode *filter;
+	struct lttng_bytecode *filter;
 	char *filter_expression;
 	struct lttng_event_exclusion *exclusion;
+
+	/*
+	 * Multiple triggers and events can use this agent event.
+	 * The event can only be disabled when the count is zero.
+	 */
+	unsigned int user_refcount;
 };
 
 /*
@@ -128,13 +138,15 @@ void agent_add(struct agent *agt, struct lttng_ht *ht);
 /* Agent event API. */
 struct agent_event *agent_create_event(const char *name,
 		enum lttng_loglevel_type loglevel_type, int loglevel_value,
-		struct lttng_filter_bytecode *filter,
+		struct lttng_bytecode *filter,
 		char *filter_expression);
 void agent_add_event(struct agent_event *event, struct agent *agt);
 
 struct agent_event *agent_find_event(const char *name,
-		enum lttng_loglevel_type loglevel_type, int loglevel_value,
-		char *filter_expression, struct agent *agt);
+		enum lttng_loglevel_type loglevel_type,
+		int loglevel_value,
+		const char *filter_expression,
+		struct agent *agt);
 void agent_find_events_by_name(const char *name, struct agent *agt,
 		struct lttng_ht_iter* iter);
 void agent_event_next_duplicate(const char *name,
@@ -167,4 +179,12 @@ void agent_update(const struct agent *agt, const struct agent_app *app);
 int agent_list_events(struct lttng_event **events,
 		enum lttng_domain_type domain);
 
+struct agent_event *agent_find_event_by_trigger(
+		const struct lttng_trigger *trigger, struct agent *agt);
+
+/* todo: find a better place for this */
+struct agent *trigger_find_agent(enum lttng_domain_type domain_type);
+void trigger_agent_ht_clean(void);
+int trigger_agent_ht_alloc(void);
+
 #endif /* LTTNG_SESSIOND_AGENT_H */