rotation-api: introduce rotation schedule descriptors

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

diff --git a/include/lttng/rotate-internal.h b/include/lttng/rotate-internal.h
index 8d0823b7a8e42f05e5731fbc9dc58c54e344ce8a..966f9f969fe5c8bcbf895d02ad7374a65aa80987 100644 (file)
--- a/include/lttng/rotate-internal.h
+++ b/include/lttng/rotate-internal.h
@@ -26,28 +26,6 @@
 #include <lttng/rotation.h>
 #include <common/macros.h>
 
-/*
- * Object used as input parameter to the rotate session API for immediate
- * rotations.
- * This is opaque to the public library.
- */
-struct lttng_rotation_immediate_attr {
-       /* For the rotate pending request. */
-       uint64_t rotate_id;
-};
-
-/*
- * Object used as input parameter to the lttng_rotate_schedule API for
- * automatic rotations.
- * This is opaque to the public library.
- */
-struct lttng_rotation_schedule_attr {
-       /* > 0 if a timer is set. */
-       uint64_t timer_us;
-       /* > 0 if the session should rotate when it has written that many bytes. */
-       uint64_t size;
-} LTTNG_PACKED;
-
 /*
  * Object returned by the rotate session API.
  * This is opaque to the public library.
@@ -68,6 +46,35 @@ struct lttng_rotation_handle {
        struct lttng_trace_archive_location *archive_location;
 };
 
+struct lttng_rotation_schedule {
+       enum lttng_rotation_schedule_type type;
+};
+
+struct lttng_rotation_schedule_size_threshold {
+       struct lttng_rotation_schedule parent;
+       struct {
+               bool set;
+               uint64_t bytes;
+       } size;
+};
+
+struct lttng_rotation_schedule_periodic {
+       struct lttng_rotation_schedule parent;
+       struct {
+               bool set;
+               uint64_t us;
+       } period;
+};
+
+struct lttng_rotation_schedules {
+       /*
+        * Only one rotation schedule per type is supported for now.
+        * Schedules are owned by this object.
+        */
+       unsigned int count;
+       struct lttng_rotation_schedule *schedules[2];
+};
+
 /*
  * Internal objects between lttng-ctl and the session daemon, the values
  * are then copied to the user's lttng_rotation_handle object.
@@ -109,14 +116,16 @@ struct lttng_session_get_current_output_return {
        char path[LTTNG_PATH_MAX];
 } LTTNG_PACKED;
 
-/* For the LTTNG_ROTATION_SCHEDULE_GET_TIMER_PERIOD command. */
-struct lttng_rotation_schedule_get_timer_period {
-       uint64_t rotate_timer;
-} LTTNG_PACKED;
-
-/* For the LTTNG_ROTATION_SCHEDULE_GET_SIZE command. */
-struct lttng_rotation_schedule_get_size {
-       uint64_t rotate_size;
+/* For the LTTNG_SESSION_LIST_SCHEDULES command. */
+struct lttng_session_list_schedules_return {
+       struct {
+               uint8_t set;
+               uint64_t value;
+       } periodic;
+       struct {
+               uint8_t set;
+               uint64_t value;
+       } size;
 } LTTNG_PACKED;
 
 #endif /* LTTNG_ROTATE_INTERNAL_ABI_H */