Move remaining protorectoral files to ctf fs plugin
[babeltrace.git] / lib / plugin-system / component-class.c
1 /*
2 * component-class.c
3 *
4 * Babeltrace Plugin Component Class
5 *
6 * Copyright 2016 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 <babeltrace/compiler.h>
30 #include <babeltrace/plugin/component-class-internal.h>
31 #include <babeltrace/ref.h>
32 #include <glib.h>
33
34 static
35 void bt_component_class_destroy(struct bt_object *obj)
36 {
37 struct bt_component_class *class;
38
39 assert(obj);
40 class = container_of(obj, struct bt_component_class, base);
41 if (class->name) {
42 g_string_free(class->name, TRUE);
43 }
44 if (class->description) {
45 g_string_free(class->description, TRUE);
46 }
47
48 bt_put(class->plugin);
49 g_free(class);
50 }
51
52 BT_HIDDEN
53 struct bt_component_class *bt_component_class_create(
54 enum bt_component_type type, const char *name,
55 const char *description, bt_component_init_cb init,
56 struct bt_plugin *plugin)
57 {
58 struct bt_component_class *class;
59
60 class = g_new0(struct bt_component_class, 1);
61 if (!class) {
62 goto end;
63 }
64
65 bt_object_init(class, bt_component_class_destroy);
66 class->type = type;
67 class->init = init;
68 class->name = g_string_new(name);
69 class->description = g_string_new(description);
70 if (!class->name || !class->description) {
71 BT_PUT(class);
72 goto end;
73 }
74
75 class->plugin = bt_get(plugin);
76 end:
77 return class;
78 }
79
80 const char *bt_component_class_get_name(
81 struct bt_component_class *component_class)
82 {
83 return component_class ? component_class->name->str : NULL;
84 }
85
86 enum bt_component_type bt_component_class_get_type(
87 struct bt_component_class *component_class)
88 {
89 return component_class ? component_class->type :
90 BT_COMPONENT_TYPE_UNKNOWN;
91 }
92
93 struct bt_plugin *bt_component_class_get_plugin(
94 struct bt_component_class *component_class)
95 {
96 return component_class ? bt_get(component_class->plugin) :
97 NULL;
98 }
99
100 const char *bt_component_class_get_description(
101 struct bt_component_class *component_class)
102 {
103 return component_class ? component_class->description->str : NULL;
104 }
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