2 * SPDX-License-Identifier: MIT
4 * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
5 * Copyright 2015 Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 #ifndef BABELTRACE_GRAPH_COMPONENT_INTERNAL_H
9 #define BABELTRACE_GRAPH_COMPONENT_INTERNAL_H
11 #include "common/macros.h"
12 #include <babeltrace2/graph/component.h>
13 #include <babeltrace2/graph/component-class.h>
14 #include "lib/object.h"
15 #include <babeltrace2/types.h>
16 #include <babeltrace2/logging.h>
17 #include "common/assert.h"
22 #include "component-class.h"
25 typedef void (*bt_component_destroy_listener_func
)(
26 struct bt_component
*class, void *data
);
28 struct bt_component_destroy_listener
{
29 bt_component_destroy_listener_func func
;
36 struct bt_object base
;
37 struct bt_component_class
*class;
39 bt_logging_level log_level
;
41 /* User-defined data */
44 /* Input and output ports (weak references) */
45 GPtrArray
*input_ports
;
46 GPtrArray
*output_ports
;
48 /* Array of struct bt_component_destroy_listener */
49 GArray
*destroy_listeners
;
55 struct bt_graph
*bt_component_borrow_graph(struct bt_component
*comp
)
58 return (void *) bt_object_borrow_parent(&comp
->base
);
61 int bt_component_create(struct bt_component_class
*component_class
,
62 const char *name
, bt_logging_level log_level
,
63 struct bt_component
**component
);
65 enum bt_component_class_port_connected_method_status
66 bt_component_port_connected(
67 struct bt_component
*comp
,
68 struct bt_port
*self_port
, struct bt_port
*other_port
);
70 void bt_component_set_graph(struct bt_component
*component
,
71 struct bt_graph
*graph
);
73 uint64_t bt_component_get_input_port_count(const struct bt_component
*comp
,
74 const char *api_func
);
76 uint64_t bt_component_get_output_port_count(const struct bt_component
*comp
,
77 const char *api_func
);
79 struct bt_port_input
*bt_component_borrow_input_port_by_index(
80 struct bt_component
*comp
, uint64_t index
,
81 const char *api_func
);
83 struct bt_port_output
*bt_component_borrow_output_port_by_index(
84 struct bt_component
*comp
, uint64_t index
,
85 const char *api_func
);
87 struct bt_port_input
*bt_component_borrow_input_port_by_name(
88 struct bt_component
*comp
, const char *name
,
89 const char *api_func
);
91 struct bt_port_output
*bt_component_borrow_output_port_by_name(
92 struct bt_component
*comp
, const char *name
,
93 const char *api_func
);
95 enum bt_self_component_add_port_status
bt_component_add_input_port(
96 struct bt_component
*component
, const char *name
,
97 void *user_data
, struct bt_port
**port
,
98 const char *api_func
);
100 enum bt_self_component_add_port_status
bt_component_add_output_port(
101 struct bt_component
*component
, const char *name
,
102 void *user_data
, struct bt_port
**port
,
103 const char *api_func
);
105 void bt_component_remove_port(struct bt_component
*component
,
106 struct bt_port
*port
);
108 void bt_component_add_destroy_listener(struct bt_component
*component
,
109 bt_component_destroy_listener_func func
, void *data
);
111 void bt_component_remove_destroy_listener(struct bt_component
*component
,
112 bt_component_destroy_listener_func func
, void *data
);
114 #endif /* BABELTRACE_GRAPH_COMPONENT_INTERNAL_H */