#define BABELTRACE_GRAPH_GRAPH_H
/*
- * BabelTrace - Babeltrace Graph Interface
- *
* Copyright 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com>
*
* Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
extern "C" {
#endif
-struct bt_port;
-struct bt_connection;
-struct bt_component;
-struct bt_component_class;
-struct bt_value;
+struct bt_graph;
enum bt_graph_status {
BT_GRAPH_STATUS_COMPONENT_REFUSES_PORT_CONNECTION = 111,
BT_GRAPH_STATUS_NOMEM = BT_COMPONENT_STATUS_NOMEM,
};
-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);
-typedef void (* bt_graph_listener_removed)(void *data);
-
-extern struct bt_graph *bt_graph_create(void);
-
-extern enum bt_graph_status bt_graph_add_component(
- struct bt_graph *graph,
- struct bt_component_class *component_class,
- const char *name, struct bt_value *params,
- struct bt_component **component);
-
-extern enum bt_graph_status bt_graph_add_component_with_init_method_data(
- struct bt_graph *graph,
- struct bt_component_class *component_class,
- const char *name, struct bt_value *params,
- void *init_method_data,
- struct bt_component **component);
-
-/**
- * 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 enum bt_graph_status bt_graph_connect_ports(struct bt_graph *graph,
- struct bt_port *upstream, struct bt_port *downstream,
- struct bt_connection **connection);
-
-/**
- * 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 int bt_graph_add_port_added_listener(struct bt_graph *graph,
- bt_graph_port_added_listener listener,
- bt_graph_listener_removed listener_removed, void *data);
-
-extern int bt_graph_add_port_removed_listener(struct bt_graph *graph,
- bt_graph_port_removed_listener listener,
- bt_graph_listener_removed listener_removed, void *data);
-
-extern int bt_graph_add_ports_connected_listener(struct bt_graph *graph,
- bt_graph_ports_connected_listener listener,
- bt_graph_listener_removed listener_removed, void *data);
-
-extern int bt_graph_add_ports_disconnected_listener(struct bt_graph *graph,
- bt_graph_ports_disconnected_listener listener,
- bt_graph_listener_removed listener_removed, 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