4 * Babeltrace Notification Iterator
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/compiler.h>
30 #include <babeltrace/ref.h>
31 #include <babeltrace/plugin/component.h>
32 #include <babeltrace/plugin/source-internal.h>
33 #include <babeltrace/plugin/notification/iterator.h>
34 #include <babeltrace/plugin/notification/iterator-internal.h>
37 void bt_notification_iterator_destroy(struct bt_object
*obj
)
39 struct bt_notification_iterator
*iterator
;
42 iterator
= container_of(obj
, struct bt_notification_iterator
,
44 assert(iterator
->user_destroy
|| !iterator
->user_data
);
45 if (iterator
->user_destroy
) {
46 iterator
->user_destroy(iterator
);
48 BT_PUT(iterator
->component
);
53 struct bt_notification_iterator
*bt_notification_iterator_create(
54 struct bt_component
*component
)
56 struct bt_notification_iterator
*iterator
= NULL
;
59 bt_component_get_type(component
) != BT_COMPONENT_TYPE_SOURCE
) {
63 iterator
= g_new0(struct bt_notification_iterator
, 1);
68 iterator
->component
= bt_get(component
);
69 bt_object_init(iterator
, bt_notification_iterator_destroy
);
75 enum bt_notification_iterator_status
bt_notification_iterator_validate(
76 struct bt_notification_iterator
*iterator
)
78 enum bt_notification_iterator_status ret
=
79 BT_NOTIFICATION_ITERATOR_STATUS_OK
;
81 if (!iterator
|| !iterator
->get
|| !iterator
->next
) {
82 ret
= BT_NOTIFICATION_ITERATOR_STATUS_INVAL
;
89 enum bt_notification_iterator_status
bt_notification_iterator_set_get_cb(
90 struct bt_notification_iterator
*iterator
,
91 bt_notification_iterator_get_cb get
)
93 enum bt_notification_iterator_status ret
=
94 BT_NOTIFICATION_ITERATOR_STATUS_OK
;
96 if (!iterator
|| !get
) {
97 ret
= BT_NOTIFICATION_ITERATOR_STATUS_INVAL
;
106 enum bt_notification_iterator_status
107 bt_notification_iterator_set_next_cb(struct bt_notification_iterator
*iterator
,
108 bt_notification_iterator_next_cb next
)
110 enum bt_notification_iterator_status ret
=
111 BT_NOTIFICATION_ITERATOR_STATUS_OK
;
113 if (!iterator
|| !next
) {
114 ret
= BT_NOTIFICATION_ITERATOR_STATUS_INVAL
;
118 iterator
->next
= next
;
123 enum bt_notification_iterator_status
124 bt_notification_iterator_set_destroy_cb(
125 struct bt_notification_iterator
*iterator
,
126 bt_notification_iterator_destroy_cb destroy
)
128 enum bt_notification_iterator_status ret
=
129 BT_NOTIFICATION_ITERATOR_STATUS_OK
;
131 if (!iterator
|| !destroy
) {
132 ret
= BT_NOTIFICATION_ITERATOR_STATUS_INVAL
;
136 iterator
->user_destroy
= destroy
;
141 void *bt_notification_iterator_get_private_data(
142 struct bt_notification_iterator
*iterator
)
144 return iterator
? iterator
->user_data
: NULL
;
147 enum bt_notification_iterator_status
148 bt_notification_iterator_set_private_data(
149 struct bt_notification_iterator
*iterator
, void *data
)
151 enum bt_notification_iterator_status ret
=
152 BT_NOTIFICATION_ITERATOR_STATUS_OK
;
154 if (!iterator
|| !data
) {
155 ret
= BT_NOTIFICATION_ITERATOR_STATUS_INVAL
;
159 iterator
->user_data
= data
;
164 struct bt_component
*bt_notification_iterator_get_component(
165 struct bt_notification_iterator
*iterator
)
167 return bt_get(iterator
->component
);