MI: implement all objects related to trigger machine interface

[lttng-tools.git] / include / lttng / trigger / trigger-internal.h

diff --git a/include/lttng/trigger/trigger-internal.h b/include/lttng/trigger/trigger-internal.h
index 5bab4c7634c9a096a0819085cd49ccef063fdd8d..d917ffa011d13a4db5486cde3f27c46b99177552 100644 (file)
--- a/include/lttng/trigger/trigger-internal.h
+++ b/include/lttng/trigger/trigger-internal.h
@@ -21,6 +21,8 @@
 
 struct lttng_payload;
 struct lttng_payload_view;
+struct mi_writer;
+struct mi_lttng_error_query_callbacks;
 
 struct lttng_trigger {
        /* Reference counting is only exposed to internal users. */
@@ -122,6 +124,16 @@ void lttng_trigger_get(struct lttng_trigger *trigger);
 LTTNG_HIDDEN
 void lttng_trigger_put(struct lttng_trigger *trigger);
 
+/*
+ * Serialize a trigger to a mi_writer.
+ * Return LTTNG_OK in success, other enum lttng_error_code on error.
+ */
+LTTNG_HIDDEN
+enum lttng_error_code lttng_trigger_mi_serialize(const struct lttng_trigger *trigger,
+               struct mi_writer *writer,
+               const struct mi_lttng_error_query_callbacks
+                               *error_query_callbacks);
+
 /*
  * Allocate a new set of triggers.
  * The returned object must be freed via lttng_triggers_destroy.
@@ -165,6 +177,16 @@ LTTNG_HIDDEN
 ssize_t lttng_triggers_create_from_payload(struct lttng_payload_view *view,
                struct lttng_triggers **triggers);
 
+/*
+ * Serialize a trigger set to a mi_writer.
+ * Return LTTNG_OK in success, other enum lttng_error_code on error.
+ */
+LTTNG_HIDDEN
+enum lttng_error_code lttng_triggers_mi_serialize(const struct lttng_triggers *triggers,
+               struct mi_writer *writer,
+               const struct mi_lttng_error_query_callbacks
+                               *error_query_callbacks);
+
 LTTNG_HIDDEN
 const struct lttng_credentials *lttng_trigger_get_credentials(
                const struct lttng_trigger *trigger);
@@ -190,6 +212,12 @@ enum lttng_error_code lttng_trigger_generate_bytecode(
                struct lttng_trigger *trigger,
                const struct lttng_credentials *creds);
 
+/*
+ * Note that the trigger object is not locked by "copy" as it is const and
+ * used with a number of 'const' triggers. If the trigger could be shared at
+ * the moment of the copy, it is the caller's responsability to lock it for
+ * the duration of the copy.
+ */
 LTTNG_HIDDEN
 struct lttng_trigger *lttng_trigger_copy(const struct lttng_trigger *trigger);
 
@@ -231,9 +259,29 @@ enum lttng_trigger_status lttng_trigger_add_error_results(
                const struct lttng_trigger *trigger,
                struct lttng_error_query_results *results);
 
+LTTNG_HIDDEN
+enum lttng_trigger_status lttng_trigger_condition_add_error_results(
+               const struct lttng_trigger *trigger,
+               struct lttng_error_query_results *results);
+
 LTTNG_HIDDEN
 enum lttng_trigger_status lttng_trigger_add_action_error_query_results(
                struct lttng_trigger *trigger,
                struct lttng_error_query_results *results);
 
+/*
+ * Set the trigger name.
+ *
+ * A name is optional.
+ * A name will be assigned on trigger registration if no name is set.
+ *
+ * The name is copied.
+ *
+ * Return LTTNG_TRIGGER_STATUS_OK on success, LTTNG_TRIGGER_STATUS_INVALID
+ * if invalid parameters are passed.
+ */
+LTTNG_HIDDEN
+enum lttng_trigger_status lttng_trigger_set_name(
+               struct lttng_trigger *trigger, const char *name);
+
 #endif /* LTTNG_TRIGGER_INTERNAL_H */