lib: create common base for bt_component_class_{source,filter}
[babeltrace.git] / src / lib / graph / component-class.h
... / ...
CommitLineData
1#ifndef BABELTRACE_GRAPH_COMPONENT_CLASS_INTERNAL_H
2#define BABELTRACE_GRAPH_COMPONENT_CLASS_INTERNAL_H
3
4/*
5 * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
6 * Copyright 2015 Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 *
8 * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
9 *
10 * Permission is hereby granted, free of charge, to any person obtaining a copy
11 * of this software and associated documentation files (the "Software"), to deal
12 * in the Software without restriction, including without limitation the rights
13 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
14 * copies of the Software, and to permit persons to whom the Software is
15 * furnished to do so, subject to the following conditions:
16 *
17 * The above copyright notice and this permission notice shall be included in
18 * all copies or substantial portions of the Software.
19 *
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
23 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
24 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
25 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
26 * SOFTWARE.
27 */
28
29#include <babeltrace2/graph/component-const.h>
30#include <babeltrace2/graph/component-class.h>
31#include <babeltrace2/graph/component-class-source.h>
32#include <babeltrace2/graph/component-class-filter.h>
33#include <babeltrace2/graph/component-class-sink.h>
34#include "common/macros.h"
35#include "lib/object.h"
36#include "common/list.h"
37#include <babeltrace2/types.h>
38#include <stdbool.h>
39#include <glib.h>
40
41struct bt_component_class;
42struct bt_plugin_so_shared_lib_handle;
43
44typedef void (*bt_component_class_destroy_listener_func)(
45 struct bt_component_class *class, void *data);
46
47struct bt_component_class_destroy_listener {
48 bt_component_class_destroy_listener_func func;
49 void *data;
50};
51
52struct bt_component_class {
53 struct bt_object base;
54 enum bt_component_class_type type;
55 GString *name;
56 GString *description;
57 GString *help;
58 GString *plugin_name;
59
60 /* Array of struct bt_component_class_destroy_listener */
61 GArray *destroy_listeners;
62 bool frozen;
63 struct bt_list_head node;
64 struct bt_plugin_so_shared_lib_handle *so_handle;
65};
66
67struct bt_component_class_with_iterator_class {
68 struct bt_component_class parent;
69 bt_message_iterator_class *msg_iter_cls;
70};
71
72struct bt_component_class_source {
73 struct bt_component_class_with_iterator_class parent;
74 struct {
75 bt_component_class_source_get_supported_mip_versions_method get_supported_mip_versions;
76 bt_component_class_source_initialize_method init;
77 bt_component_class_source_finalize_method finalize;
78 bt_component_class_source_query_method query;
79 bt_component_class_source_output_port_connected_method output_port_connected;
80 } methods;
81};
82
83struct bt_component_class_filter {
84 struct bt_component_class_with_iterator_class parent;
85 struct {
86 bt_component_class_filter_get_supported_mip_versions_method get_supported_mip_versions;
87 bt_component_class_filter_initialize_method init;
88 bt_component_class_filter_finalize_method finalize;
89 bt_component_class_filter_query_method query;
90 bt_component_class_filter_input_port_connected_method input_port_connected;
91 bt_component_class_filter_output_port_connected_method output_port_connected;
92 } methods;
93};
94
95struct bt_component_class_sink {
96 struct bt_component_class parent;
97 struct {
98 bt_component_class_sink_get_supported_mip_versions_method get_supported_mip_versions;
99 bt_component_class_sink_initialize_method init;
100 bt_component_class_sink_finalize_method finalize;
101 bt_component_class_sink_query_method query;
102 bt_component_class_sink_input_port_connected_method input_port_connected;
103 bt_component_class_sink_graph_is_configured_method graph_is_configured;
104 bt_component_class_sink_consume_method consume;
105 } methods;
106};
107
108BT_HIDDEN
109void bt_component_class_add_destroy_listener(struct bt_component_class *class,
110 bt_component_class_destroy_listener_func func, void *data);
111
112BT_HIDDEN
113void _bt_component_class_freeze(
114 const struct bt_component_class *component_class);
115
116#ifdef BT_DEV_MODE
117# define bt_component_class_freeze _bt_component_class_freeze
118#else
119# define bt_component_class_freeze(_cc)
120#endif
121
122static inline
123const char *bt_component_class_type_string(enum bt_component_class_type type)
124{
125 switch (type) {
126 case BT_COMPONENT_CLASS_TYPE_SOURCE:
127 return "SOURCE";
128 case BT_COMPONENT_CLASS_TYPE_SINK:
129 return "SINK";
130 case BT_COMPONENT_CLASS_TYPE_FILTER:
131 return "FILTER";
132 default:
133 return "(unknown)";
134 }
135}
136
137static inline
138bool bt_component_class_has_message_iterator_class(
139 struct bt_component_class *component_class)
140{
141 return component_class->type == BT_COMPONENT_CLASS_TYPE_SOURCE ||
142 component_class->type == BT_COMPONENT_CLASS_TYPE_FILTER;
143}
144
145#endif /* BABELTRACE_GRAPH_COMPONENT_CLASS_INTERNAL_H */
This page took 0.024204 seconds and 4 git commands to generate.