4 * Babeltrace Filter Component
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/values.h>
31 #include <babeltrace/component/component-filter-internal.h>
32 #include <babeltrace/component/component-internal.h>
33 #include <babeltrace/component/component-class-internal.h>
34 #include <babeltrace/component/notification/notification.h>
35 #include <babeltrace/component/notification/iterator-internal.h>
38 struct bt_notification_iterator
*bt_component_filter_create_notification_iterator(
39 struct bt_component
*component
)
41 return bt_component_create_iterator(component
, NULL
);
45 struct bt_notification_iterator
*bt_component_filter_create_notification_iterator_with_init_method_data(
46 struct bt_component
*component
, void *init_method_data
)
48 return bt_component_create_iterator(component
, init_method_data
);
52 void bt_component_filter_destroy(struct bt_component
*component
)
57 struct bt_component
*bt_component_filter_create(
58 struct bt_component_class
*class, struct bt_value
*params
)
60 struct bt_component_filter
*filter
= NULL
;
62 filter
= g_new0(struct bt_component_filter
, 1);
68 return filter
? &filter
->parent
: NULL
;
72 enum bt_component_status
bt_component_filter_validate(
73 struct bt_component
*component
)
75 enum bt_component_status ret
= BT_COMPONENT_STATUS_OK
;
78 ret
= BT_COMPONENT_STATUS_INVALID
;
82 if (!component
->class) {
83 ret
= BT_COMPONENT_STATUS_INVALID
;
87 if (component
->class->type
!= BT_COMPONENT_CLASS_TYPE_FILTER
) {
88 ret
= BT_COMPONENT_STATUS_INVALID
;
92 /* Enforce iterator limits. */
97 enum bt_component_status
bt_component_filter_get_input_port_count(
98 struct bt_component
*component
, uint64_t *count
)
100 enum bt_component_status status
= BT_COMPONENT_STATUS_OK
;
102 if (!component
|| !count
||
103 component
->class->type
!= BT_COMPONENT_CLASS_TYPE_FILTER
) {
104 status
= BT_COMPONENT_STATUS_INVALID
;
108 *count
= bt_component_get_input_port_count(component
);
113 struct bt_port
*bt_component_filter_get_input_port(
114 struct bt_component
*component
, const char *name
)
116 struct bt_port
*port
= NULL
;
118 if (!component
|| !name
||
119 component
->class->type
!= BT_COMPONENT_CLASS_TYPE_FILTER
) {
123 port
= bt_component_get_input_port(component
, name
);
128 struct bt_port
*bt_component_filter_get_input_port_at_index(
129 struct bt_component
*component
, int index
)
131 struct bt_port
*port
= NULL
;
134 component
->class->type
!= BT_COMPONENT_CLASS_TYPE_FILTER
) {
138 port
= bt_component_get_input_port_at_index(component
, index
);
143 struct bt_port
*bt_component_filter_get_default_input_port(
144 struct bt_component
*component
)
146 return bt_component_filter_get_input_port(component
,
147 DEFAULT_INPUT_PORT_NAME
);
150 struct bt_port
*bt_component_filter_add_input_port(
151 struct bt_component
*component
, const char *name
)
153 struct bt_port
*port
= NULL
;
156 component
->class->type
!= BT_COMPONENT_CLASS_TYPE_FILTER
) {
160 port
= bt_component_add_input_port(component
, name
);
165 enum bt_component_status
bt_component_filter_get_output_port_count(
166 struct bt_component
*component
, uint64_t *count
)
168 enum bt_component_status status
= BT_COMPONENT_STATUS_OK
;
170 if (!component
|| !count
||
171 component
->class->type
!= BT_COMPONENT_CLASS_TYPE_FILTER
) {
172 status
= BT_COMPONENT_STATUS_INVALID
;
176 *count
= bt_component_get_output_port_count(component
);
181 struct bt_port
*bt_component_filter_get_output_port(
182 struct bt_component
*component
, const char *name
)
184 struct bt_port
*port
= NULL
;
186 if (!component
|| !name
||
187 component
->class->type
!= BT_COMPONENT_CLASS_TYPE_FILTER
) {
191 port
= bt_component_get_output_port(component
, name
);
196 struct bt_port
*bt_component_filter_get_output_port_at_index(
197 struct bt_component
*component
, int index
)
199 struct bt_port
*port
= NULL
;
202 component
->class->type
!= BT_COMPONENT_CLASS_TYPE_FILTER
) {
206 port
= bt_component_get_output_port_at_index(component
, index
);
211 struct bt_port
*bt_component_filter_get_default_output_port(
212 struct bt_component
*component
)
214 return bt_component_filter_get_output_port(component
,
215 DEFAULT_OUTPUT_PORT_NAME
);
218 struct bt_port
*bt_component_filter_add_output_port(
219 struct bt_component
*component
, const char *name
)
221 struct bt_port
*port
= NULL
;
224 component
->class->type
!= BT_COMPONENT_CLASS_TYPE_FILTER
) {
228 port
= bt_component_add_output_port(component
, name
);