#include <babeltrace2/types.h>
#include "common/assert.h"
#include <stdbool.h>
-#include <compat/uuid.h>
+#include "common/uuid.h"
struct bt_port;
struct bt_graph;
-enum bt_message_iterator_type {
- BT_MESSAGE_ITERATOR_TYPE_SELF_COMPONENT_PORT_INPUT,
- BT_MESSAGE_ITERATOR_TYPE_PORT_OUTPUT,
-};
-
enum bt_self_component_port_input_message_iterator_state {
/* Iterator is not initialized */
BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_NON_INITIALIZED,
BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_LAST_SEEKING_RETURNED_ERROR,
};
-struct bt_message_iterator {
- struct bt_object base;
- enum bt_message_iterator_type type;
- GPtrArray *msgs;
-};
-
typedef enum bt_component_class_message_iterator_next_method_status
(*bt_self_component_port_input_message_iterator_next_method)(
void *, bt_message_array_const, uint64_t, uint64_t *);
(*bt_self_component_port_input_message_iterator_seek_beginning_method)(
void *);
-typedef bt_bool
+typedef enum bt_component_class_message_iterator_can_seek_ns_from_origin_method_status
(*bt_self_component_port_input_message_iterator_can_seek_ns_from_origin_method)(
- void *, int64_t);
+ void *, int64_t, bt_bool *);
-typedef bt_bool
+typedef enum bt_component_class_message_iterator_can_seek_beginning_method_status
(*bt_self_component_port_input_message_iterator_can_seek_beginning_method)(
- void *);
+ void *, bt_bool *);
+
+struct bt_self_message_iterator_configuration {
+ bool frozen;
+ bool can_seek_forward;
+};
struct bt_self_component_port_input_message_iterator {
- struct bt_message_iterator base;
+ struct bt_object base;
+ GPtrArray *msgs;
struct bt_component *upstream_component; /* Weak */
struct bt_port *upstream_port; /* Weak */
struct bt_connection *connection; /* Weak */
struct bt_graph *graph; /* Weak */
+ struct bt_self_message_iterator_configuration config;
+
+ /*
+ * Array of
+ * `struct bt_self_component_port_input_message_iterator *`
+ * (weak).
+ *
+ * This is an array of upstream message iterators on which this
+ * iterator depends. The references are weak: an upstream
+ * message iterator is responsible for removing its entry within
+ * this array on finalization/destruction.
+ */
+ GPtrArray *upstream_msg_iters;
+
+ /*
+ * Downstream message iterator which depends on this message
+ * iterator (weak).
+ *
+ * This can be `NULL` if this message iterator's owner is a sink
+ * component.
+ */
+ struct bt_self_component_port_input_message_iterator *downstream_msg_iter;
struct {
bt_self_component_port_input_message_iterator_next_method next;
* irrelevant (as the clock will be correlatable with other
* clocks having the same origin).
*/
- uint8_t uuid[BABELTRACE_UUID_LEN];
+ bt_uuid_t uuid;
} clock_expectation;
/*
void *user_data;
};
-struct bt_port_output_message_iterator {
- struct bt_message_iterator base;
- struct bt_graph *graph; /* Owned by this */
- struct bt_component_sink *colander; /* Owned by this */
-
- /*
- * Only used temporarily as a bridge between a colander sink and
- * the user.
- */
- uint64_t count;
-};
-
BT_HIDDEN
void bt_self_component_port_input_message_iterator_try_finalize(
struct bt_self_component_port_input_message_iterator *iterator);
{
switch (state) {
case BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_ACTIVE:
- return "BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_ACTIVE";
+ return "ACTIVE";
case BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_ENDED:
- return "BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_ENDED";
+ return "ENDED";
case BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_FINALIZING:
- return "BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_FINALIZING";
+ return "FINALIZING";
case BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_FINALIZED:
- return "BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_FINALIZED";
+ return "FINALIZED";
case BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_SEEKING:
- return "BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_SEEKING";
+ return "SEEKING";
case BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_LAST_SEEKING_RETURNED_AGAIN:
- return "BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_LAST_SEEKING_RETURNED_AGAIN";
+ return "LAST_SEEKING_RETURNED_AGAIN";
case BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_LAST_SEEKING_RETURNED_ERROR:
- return "BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_LAST_SEEKING_RETURNED_ERROR";
+ return "LAST_SEEKING_RETURNED_ERROR";
default:
return "(unknown)";
}