4 * Babeltrace Plugin Component
6 * Copyright 2015 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/plugin/component-internal.h>
30 #include <babeltrace/babeltrace-internal.h>
31 #include <babeltrace/compiler.h>
33 static void bt_component_destroy(struct bt_ctf_ref
*ref
);
35 const char *bt_component_get_name(struct bt_component
*component
)
37 const char *ret
= NULL
;
43 ret
= component
->name
->str
;
48 enum bt_component_status
bt_component_set_name(struct bt_component
*component
,
51 enum bt_component_status ret
= BT_COMPONENT_STATUS_OK
;
53 if (!component
|| !name
|| name
[0] == '\0') {
54 ret
= BT_COMPONENT_STATUS_INVAL
;
58 g_string_assign(component
->name
, name
);
63 enum bt_component_type
bt_component_get_type(struct bt_component
*component
)
65 enum bt_component_type type
= BT_COMPONENT_TYPE_UNKNOWN
;
71 type
= component
->type
;
76 enum bt_component_status
bt_component_set_error_stream(
77 struct bt_component
*component
, FILE *stream
)
79 enum bt_component_status ret
= BT_COMPONENT_STATUS_OK
;
82 ret
= BT_COMPONENT_STATUS_INVAL
;
86 component
->error_stream
= stream
;
91 void bt_component_get(struct bt_component
*component
)
97 bt_ctf_ref_get(&component
->ref_count
);
100 void bt_component_put(struct bt_component
*component
)
106 bt_ctf_ref_put(&component
->ref_count
, bt_component_destroy
);
110 enum bt_component_status
bt_component_init(struct bt_component
*component
,
111 const char *name
, void *user_data
,
112 bt_component_destroy_cb user_destroy_func
,
113 enum bt_component_type component_type
,
114 bt_component_destroy_cb component_destroy
)
116 enum bt_component_status ret
= BT_COMPONENT_STATUS_OK
;
118 if (!component
|| !name
|| name
[0] == '\0' ||
119 !user_destroy_func
|| !user_data
|| !component_destroy
) {
120 ret
= BT_COMPONENT_STATUS_INVAL
;
124 bt_ctf_ref_init(&component
->ref_count
);
125 component
->type
= component_type
;
126 component
->user_data
= user_data
;
127 component
->user_data_destroy
= user_destroy_func
;
128 component
->destroy
= component_destroy
;
130 component
->name
= g_string_new(name
);
131 if (!component
->name
) {
132 ret
= BT_COMPONENT_STATUS_NOMEM
;
139 void *bt_component_get_private_data(struct bt_component
*component
)
147 ret
= component
->user_data
;
152 enum bt_component_status
153 bt_component_set_private_data(struct bt_component
*component
,
156 enum bt_component_status ret
= BT_COMPONENT_STATUS_OK
;
159 ret
= BT_COMPONENT_STATUS_INVAL
;
163 component
->user_data
= data
;
169 void bt_component_destroy(struct bt_ctf_ref
*ref
)
171 struct bt_component
*component
= NULL
;
177 component
= container_of(ref
, struct bt_component
, ref_count
);
180 * User data is destroyed first, followed by the concrete component
183 assert(!component
->user_data
|| component
->user_data_destroy
);
184 component
->user_data_destroy(component
->user_data
);
186 g_string_free(component
->name
, TRUE
);
188 assert(component
->destroy
);
189 component
->destroy(component
);