4 * Babeltrace Plugin Component Class
6 * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
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:
17 * The above copyright notice and this permission notice shall be included in
18 * all copies or substantial portions of the Software.
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
29 #include <babeltrace/compiler.h>
30 #include <babeltrace/component/component-class-internal.h>
31 #include <babeltrace/ref.h>
35 void bt_component_class_destroy(struct bt_object
*obj
)
37 struct bt_component_class
*class;
41 class = container_of(obj
, struct bt_component_class
, base
);
43 /* Call destroy listeners in reverse registration order */
44 for (i
= class->destroy_listeners
->len
- 1; i
>= 0; i
--) {
45 struct bt_component_class_destroyer_listener
*listener
=
46 &g_array_index(class->destroy_listeners
,
47 struct bt_component_class_destroyer_listener
,
50 listener
->func(class, listener
->data
);
54 g_string_free(class->name
, TRUE
);
56 if (class->description
) {
57 g_string_free(class->description
, TRUE
);
59 if (class->destroy_listeners
) {
60 g_array_free(class->destroy_listeners
, TRUE
);
66 struct bt_component_class
*bt_component_class_create(
67 enum bt_component_type type
, const char *name
,
68 const char *description
, bt_component_init_cb init
)
70 struct bt_component_class
*class;
72 class = g_new0(struct bt_component_class
, 1);
77 bt_object_init(class, bt_component_class_destroy
);
80 class->name
= g_string_new(name
);
81 class->description
= g_string_new(description
);
82 if (!class->name
|| !class->description
) {
86 class->destroy_listeners
= g_array_new(FALSE
, TRUE
,
87 sizeof(struct bt_component_class_destroyer_listener
));
88 if (!class->destroy_listeners
) {
96 const char *bt_component_class_get_name(
97 struct bt_component_class
*component_class
)
99 return component_class
? component_class
->name
->str
: NULL
;
102 enum bt_component_type
bt_component_class_get_type(
103 struct bt_component_class
*component_class
)
105 return component_class
? component_class
->type
:
106 BT_COMPONENT_TYPE_UNKNOWN
;
109 const char *bt_component_class_get_description(
110 struct bt_component_class
*component_class
)
112 return component_class
? component_class
->description
->str
: NULL
;
116 int bt_component_class_add_destroy_listener(struct bt_component_class
*class,
117 bt_component_class_destroy_listener_func func
, void *data
)
120 struct bt_component_class_destroyer_listener listener
;
122 if (!class || !func
) {
127 listener
.func
= func
;
128 listener
.data
= data
;
129 g_array_append_val(class->destroy_listeners
, listener
);