Fix: liblttng-ctl comm: lttng_event_field is not packed

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

diff --git a/include/lttng/event-internal.h b/include/lttng/event-internal.h
index 54f33fdf1c5031c9fa57baa617396353553cf502..898609879d5107bd4af71ef61a28a66008db23ba 100644 (file)
--- a/include/lttng/event-internal.h
+++ b/include/lttng/event-internal.h
@@ -121,6 +121,20 @@ struct lttng_event_context_app_comm {
        char payload[];
 } LTTNG_PACKED;
 
+struct lttng_event_field_comm {
+       uint8_t type;
+       uint8_t nowrite;
+       /* Includes terminator `\0`. */
+       uint32_t name_len;
+       uint32_t event_len;
+
+       /*
+        * - name [name_len]
+        * - lttng_event object
+        */
+       char payload[];
+} LTTNG_PACKED;
+
 struct lttng_event_extended {
        /*
         * exclusions and filter_expression are only set when the lttng_event
@@ -170,10 +184,25 @@ int lttng_event_context_serialize(struct lttng_event_context *context,
 LTTNG_HIDDEN
 void lttng_event_context_destroy(struct lttng_event_context *context);
 
+LTTNG_HIDDEN
+ssize_t lttng_event_field_create_from_buffer(
+               const struct lttng_buffer_view *view,
+               struct lttng_event_field **field);
+
+LTTNG_HIDDEN
+int lttng_event_field_serialize(const struct lttng_event_field *field,
+               struct lttng_dynamic_buffer *buffer);
+
 LTTNG_HIDDEN
 enum lttng_error_code lttng_events_create_and_flatten_from_buffer(
                const struct lttng_buffer_view *view,
                unsigned int count,
                struct lttng_event **events);
 
+LTTNG_HIDDEN
+enum lttng_error_code lttng_event_fields_create_and_flatten_from_buffer(
+               const struct lttng_buffer_view *view,
+               unsigned int count,
+               struct lttng_event_field **fields);
+
 #endif /* LTTNG_EVENT_INTERNAL_H */