#define BABELTRACE_GRAPH_GRAPH_H
/*
- * BabelTrace - Babeltrace Graph Interface
- *
* Copyright 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com>
*
* Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
* SOFTWARE.
*/
-#include <babeltrace/graph/component.h>
+/* For bt_bool */
#include <babeltrace/types.h>
#ifdef __cplusplus
extern "C" {
#endif
-struct bt_port;
-struct bt_connection;
+struct bt_graph;
enum bt_graph_status {
- /** Canceled. */
- BT_GRAPH_STATUS_CANCELED = 125,
- /** No sink can consume at the moment. */
- BT_GRAPH_STATUS_AGAIN = 11,
- /** Downstream component does not support multiple inputs. */
- BT_GRAPH_STATUS_END = 1,
BT_GRAPH_STATUS_OK = 0,
- /** Component is already part of another graph. */
- BT_GRAPH_STATUS_ALREADY_IN_A_GRAPH = -2,
- /** Invalid arguments. */
- BT_GRAPH_STATUS_INVALID = -22,
- /** No sink in graph. */
- BT_GRAPH_STATUS_NO_SINK = -6,
- /** General error. */
+ BT_GRAPH_STATUS_END = 1,
+ BT_GRAPH_STATUS_AGAIN = 11,
+ BT_GRAPH_STATUS_COMPONENT_REFUSES_PORT_CONNECTION = 111,
+ BT_GRAPH_STATUS_CANCELED = 125,
BT_GRAPH_STATUS_ERROR = -1,
+ BT_GRAPH_STATUS_NO_SINK = -6,
+ BT_GRAPH_STATUS_NOMEM = -12,
};
-typedef void (*bt_graph_port_added_listener)(struct bt_port *port,
- void *data);
-typedef void (*bt_graph_port_removed_listener)(struct bt_component *component,
- struct bt_port *port, void *data);
-typedef void (*bt_graph_ports_connected_listener)(struct bt_port *upstream_port,
- struct bt_port *downstream_port, void *data);
-typedef void (*bt_graph_ports_disconnected_listener)(
- struct bt_component *upstream_component,
- struct bt_component *downstream_component,
- struct bt_port *upstream_port, struct bt_port *downstream_port,
- void *data);
-
-extern struct bt_graph *bt_graph_create(void);
-
-/**
- * Creates a connection between two components using the two ports specified
- * and adds the connection and components (if not already added) to the graph.
- */
-extern struct bt_connection *bt_graph_connect_ports(struct bt_graph *graph,
- struct bt_port *upstream,
- struct bt_port *downstream);
-
-/**
- * Add a component as a "sibling" of the origin component. Sibling share
- * connections equivalent to each other at the time of connection (same
- * upstream and downstream ports).
- */
-extern enum bt_graph_status bt_graph_add_component_as_sibling(
- struct bt_graph *graph, struct bt_component *origin,
- struct bt_component *new_component);
-
-/**
- * Run graph to completion or until a single sink is left and "AGAIN" is received.
- *
- * Runs "bt_component_sink_consume()" on all sinks in round-robin until they all
- * indicate that the end is reached or that an error occured.
- */
-extern enum bt_graph_status bt_graph_run(struct bt_graph *graph);
-
-/**
- * Runs "bt_component_sink_consume()" on the graph's sinks. Each invokation will
- * invoke "bt_component_sink_consume()" on the next sink, in round-robin, until
- * they all indicated that the end is reached.
- */
-extern enum bt_graph_status bt_graph_consume(struct bt_graph *graph);
-
-extern enum bt_graph_status bt_graph_add_port_added_listener(
- struct bt_graph *graph,
- bt_graph_port_added_listener listener, void *data);
-
-extern enum bt_graph_status bt_graph_add_port_removed_listener(
- struct bt_graph *graph,
- bt_graph_port_removed_listener listener, void *data);
-
-extern enum bt_graph_status bt_graph_add_ports_connected_listener(
- struct bt_graph *graph,
- bt_graph_ports_connected_listener listener, void *data);
-
-extern enum bt_graph_status bt_graph_add_ports_disconnected_listener(
- struct bt_graph *graph,
- bt_graph_ports_disconnected_listener listener, void *data);
-
-extern enum bt_graph_status bt_graph_cancel(struct bt_graph *graph);
extern bt_bool bt_graph_is_canceled(struct bt_graph *graph);
#ifdef __cplusplus