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1/*
2 * SPDX-License-Identifier: MIT
3 *
4 * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
5 * Copyright 2015 Jérémie Galarneau <jeremie.galarneau@efficios.com>
6 */
7
8#ifndef BABELTRACE_GRAPH_COMPONENT_CLASS_INTERNAL_H
9#define BABELTRACE_GRAPH_COMPONENT_CLASS_INTERNAL_H
10
11#include <babeltrace2/graph/component-class.h>
12#include <babeltrace2/graph/component.h>
13#include "common/macros.h"
14#include "lib/object.h"
15#include "common/list.h"
16#include <babeltrace2/types.h>
17#include <stdbool.h>
18#include <glib.h>
19
20struct bt_component_class;
21struct bt_plugin_so_shared_lib_handle;
22
23typedef void (*bt_component_class_destroy_listener_func)(
24 struct bt_component_class *class, void *data);
25
26struct bt_component_class_destroy_listener {
27 bt_component_class_destroy_listener_func func;
28 void *data;
29};
30
31struct bt_component_class {
32 struct bt_object base;
33 enum bt_component_class_type type;
34 GString *name;
35 GString *description;
36 GString *help;
37 GString *plugin_name;
38
39 /* Array of struct bt_component_class_destroy_listener */
40 GArray *destroy_listeners;
41 bool frozen;
42 struct bt_list_head node;
43 struct bt_plugin_so_shared_lib_handle *so_handle;
44};
45
46struct bt_component_class_with_iterator_class {
47 struct bt_component_class parent;
48 bt_message_iterator_class *msg_iter_cls;
49};
50
51struct bt_component_class_source {
52 struct bt_component_class_with_iterator_class parent;
53 struct {
54 bt_component_class_source_get_supported_mip_versions_method get_supported_mip_versions;
55 bt_component_class_source_initialize_method init;
56 bt_component_class_source_finalize_method finalize;
57 bt_component_class_source_query_method query;
58 bt_component_class_source_output_port_connected_method output_port_connected;
59 } methods;
60};
61
62struct bt_component_class_filter {
63 struct bt_component_class_with_iterator_class parent;
64 struct {
65 bt_component_class_filter_get_supported_mip_versions_method get_supported_mip_versions;
66 bt_component_class_filter_initialize_method init;
67 bt_component_class_filter_finalize_method finalize;
68 bt_component_class_filter_query_method query;
69 bt_component_class_filter_input_port_connected_method input_port_connected;
70 bt_component_class_filter_output_port_connected_method output_port_connected;
71 } methods;
72};
73
74struct bt_component_class_sink {
75 struct bt_component_class parent;
76 struct {
77 bt_component_class_sink_get_supported_mip_versions_method get_supported_mip_versions;
78 bt_component_class_sink_initialize_method init;
79 bt_component_class_sink_finalize_method finalize;
80 bt_component_class_sink_query_method query;
81 bt_component_class_sink_input_port_connected_method input_port_connected;
82 bt_component_class_sink_graph_is_configured_method graph_is_configured;
83 bt_component_class_sink_consume_method consume;
84 } methods;
85};
86
87BT_HIDDEN
88void bt_component_class_add_destroy_listener(struct bt_component_class *class,
89 bt_component_class_destroy_listener_func func, void *data);
90
91BT_HIDDEN
92void _bt_component_class_freeze(
93 const struct bt_component_class *component_class);
94
95#ifdef BT_DEV_MODE
96# define bt_component_class_freeze _bt_component_class_freeze
97#else
98# define bt_component_class_freeze(_cc)
99#endif
100
101static inline
102const char *bt_component_class_type_string(enum bt_component_class_type type)
103{
104 switch (type) {
105 case BT_COMPONENT_CLASS_TYPE_SOURCE:
106 return "SOURCE";
107 case BT_COMPONENT_CLASS_TYPE_SINK:
108 return "SINK";
109 case BT_COMPONENT_CLASS_TYPE_FILTER:
110 return "FILTER";
111 default:
112 return "(unknown)";
113 }
114}
115
116static inline
117bool bt_component_class_has_message_iterator_class(
118 struct bt_component_class *component_class)
119{
120 return component_class->type == BT_COMPONENT_CLASS_TYPE_SOURCE ||
121 component_class->type == BT_COMPONENT_CLASS_TYPE_FILTER;
122}
123
124#endif /* BABELTRACE_GRAPH_COMPONENT_CLASS_INTERNAL_H */
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