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 enum bt_component_type type
;
57 struct bt_notification_iterator
*iterator
= NULL
;
63 type
= bt_component_get_type(component
);
65 case BT_COMPONENT_TYPE_SOURCE
:
66 case BT_COMPONENT_TYPE_FILTER
:
72 iterator
= g_new0(struct bt_notification_iterator
, 1);
77 iterator
->component
= bt_get(component
);
78 bt_object_init(iterator
, bt_notification_iterator_destroy
);
84 enum bt_notification_iterator_status
bt_notification_iterator_validate(
85 struct bt_notification_iterator
*iterator
)
87 enum bt_notification_iterator_status ret
=
88 BT_NOTIFICATION_ITERATOR_STATUS_OK
;
90 if (!iterator
|| !iterator
->get
|| !iterator
->next
) {
91 ret
= BT_NOTIFICATION_ITERATOR_STATUS_INVAL
;
98 enum bt_notification_iterator_status
bt_notification_iterator_set_get_cb(
99 struct bt_notification_iterator
*iterator
,
100 bt_notification_iterator_get_cb get
)
102 enum bt_notification_iterator_status ret
=
103 BT_NOTIFICATION_ITERATOR_STATUS_OK
;
105 if (!iterator
|| !get
) {
106 ret
= BT_NOTIFICATION_ITERATOR_STATUS_INVAL
;
115 enum bt_notification_iterator_status
116 bt_notification_iterator_set_next_cb(struct bt_notification_iterator
*iterator
,
117 bt_notification_iterator_next_cb next
)
119 enum bt_notification_iterator_status ret
=
120 BT_NOTIFICATION_ITERATOR_STATUS_OK
;
122 if (!iterator
|| !next
) {
123 ret
= BT_NOTIFICATION_ITERATOR_STATUS_INVAL
;
127 iterator
->next
= next
;
132 enum bt_notification_iterator_status
133 bt_notification_iterator_set_seek_time_cb(
134 struct bt_notification_iterator
*iterator
,
135 bt_notification_iterator_seek_time_cb seek_time
)
137 enum bt_notification_iterator_status ret
=
138 BT_NOTIFICATION_ITERATOR_STATUS_OK
;
140 if (!iterator
|| !seek_time
) {
141 ret
= BT_NOTIFICATION_ITERATOR_STATUS_INVAL
;
145 iterator
->seek_time
= seek_time
;
150 enum bt_notification_iterator_status
151 bt_notification_iterator_set_destroy_cb(
152 struct bt_notification_iterator
*iterator
,
153 bt_notification_iterator_destroy_cb destroy
)
155 enum bt_notification_iterator_status ret
=
156 BT_NOTIFICATION_ITERATOR_STATUS_OK
;
158 if (!iterator
|| !destroy
) {
159 ret
= BT_NOTIFICATION_ITERATOR_STATUS_INVAL
;
163 iterator
->user_destroy
= destroy
;
168 void *bt_notification_iterator_get_private_data(
169 struct bt_notification_iterator
*iterator
)
171 return iterator
? iterator
->user_data
: NULL
;
174 enum bt_notification_iterator_status
175 bt_notification_iterator_set_private_data(
176 struct bt_notification_iterator
*iterator
, void *data
)
178 enum bt_notification_iterator_status ret
=
179 BT_NOTIFICATION_ITERATOR_STATUS_OK
;
181 if (!iterator
|| !data
) {
182 ret
= BT_NOTIFICATION_ITERATOR_STATUS_INVAL
;
186 iterator
->user_data
= data
;
191 struct bt_notification
*bt_notification_iterator_get_notification(
192 struct bt_notification_iterator
*iterator
)
195 assert(iterator
->get
);
196 return iterator
->get(iterator
);
199 enum bt_notification_iterator_status
200 bt_notification_iterator_next(struct bt_notification_iterator
*iterator
)
203 assert(iterator
->next
);
204 return iterator
->next(iterator
);
207 struct bt_component
*bt_notification_iterator_get_component(
208 struct bt_notification_iterator
*iterator
)
210 return bt_get(iterator
->component
);
213 enum bt_notification_iterator_status
bt_notification_iterator_seek_time(
214 struct bt_notification_iterator
*iterator
,
215 enum bt_notification_iterator_seek_origin seek_origin
,
218 enum bt_notification_iterator_status ret
=
219 BT_NOTIFICATION_ITERATOR_STATUS_UNSUPPORTED
;