Commit | Line | Data |
---|---|---|
0777b693 JG |
1 | /* |
2 | * source.c | |
3 | * | |
0d884c50 | 4 | * Babeltrace Source Component |
0777b693 JG |
5 | * |
6 | * Copyright 2015 Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
7 | * | |
8 | * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
9 | * | |
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: | |
16 | * | |
17 | * The above copyright notice and this permission notice shall be included in | |
18 | * all copies or substantial portions of the Software. | |
19 | * | |
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 | |
26 | * SOFTWARE. | |
27 | */ | |
28 | ||
b8a06801 | 29 | #include <babeltrace/ref.h> |
fd0f910d | 30 | #include <babeltrace/compiler.h> |
0777b693 | 31 | #include <babeltrace/plugin/source-internal.h> |
0d884c50 | 32 | #include <babeltrace/plugin/component-internal.h> |
47e5a032 JG |
33 | #include <babeltrace/plugin/notification/iterator.h> |
34 | #include <babeltrace/plugin/notification/iterator-internal.h> | |
0777b693 | 35 | |
7c7c0433 JG |
36 | BT_HIDDEN |
37 | enum bt_component_status bt_component_source_validate( | |
38 | struct bt_component *component) | |
39 | { | |
cc8f4066 JG |
40 | enum bt_component_status ret = BT_COMPONENT_STATUS_OK; |
41 | struct bt_component_source *source; | |
42 | ||
43 | if (!component) { | |
44 | ret = BT_COMPONENT_STATUS_INVALID; | |
45 | goto end; | |
46 | } | |
47 | ||
48 | if (!component->class) { | |
49 | ret = BT_COMPONENT_STATUS_INVALID; | |
50 | goto end; | |
51 | } | |
52 | ||
53 | if (component->class->type != BT_COMPONENT_TYPE_SOURCE) { | |
54 | ret = BT_COMPONENT_STATUS_INVALID; | |
55 | goto end; | |
56 | } | |
57 | ||
58 | source = container_of(component, struct bt_component_source, parent); | |
59 | if (source->init_iterator) { | |
60 | ret = BT_COMPONENT_STATUS_INVALID; | |
61 | goto end; | |
62 | } | |
63 | end: | |
64 | return ret; | |
0777b693 JG |
65 | } |
66 | ||
8738a040 | 67 | BT_HIDDEN |
fb2dcc52 | 68 | struct bt_component *bt_component_source_create( |
7c7c0433 | 69 | struct bt_component_class *class, struct bt_value *params) |
0777b693 | 70 | { |
0d884c50 JG |
71 | struct bt_component_source *source = NULL; |
72 | enum bt_component_status ret; | |
38b48196 | 73 | |
0d884c50 | 74 | source = g_new0(struct bt_component_source, 1); |
0777b693 JG |
75 | if (!source) { |
76 | goto end; | |
77 | } | |
78 | ||
aab65362 JG |
79 | source->parent.class = bt_get(class); |
80 | ret = bt_component_init(&source->parent, NULL); | |
0d884c50 | 81 | if (ret != BT_COMPONENT_STATUS_OK) { |
38b48196 | 82 | BT_PUT(source); |
0777b693 JG |
83 | goto end; |
84 | } | |
0777b693 JG |
85 | end: |
86 | return source ? &source->parent : NULL; | |
87 | } | |
47e5a032 | 88 | |
b916cce6 JG |
89 | enum bt_component_status |
90 | bt_component_source_set_iterator_init_cb(struct bt_component *component, | |
91 | bt_component_source_init_iterator_cb init_iterator) | |
92 | { | |
93 | struct bt_component_source *source; | |
94 | enum bt_component_status ret = BT_COMPONENT_STATUS_OK; | |
95 | ||
96 | if (component->class->type != BT_COMPONENT_TYPE_SOURCE) { | |
97 | ret = BT_COMPONENT_STATUS_INVALID; | |
98 | goto end; | |
99 | } | |
100 | ||
101 | source = container_of(component, struct bt_component_source, parent); | |
102 | source->init_iterator = init_iterator; | |
103 | end: | |
104 | return ret; | |
105 | } | |
106 | ||
38b48196 | 107 | struct bt_notification_iterator *bt_component_source_create_iterator( |
47e5a032 JG |
108 | struct bt_component *component) |
109 | { | |
110 | enum bt_component_status ret_component; | |
111 | enum bt_notification_iterator_status ret_iterator; | |
112 | struct bt_component_source *source; | |
113 | struct bt_notification_iterator *iterator = NULL; | |
114 | ||
115 | if (!component) { | |
116 | goto end; | |
117 | } | |
118 | ||
119 | if (bt_component_get_type(component) != BT_COMPONENT_TYPE_SOURCE) { | |
120 | goto end; | |
121 | } | |
122 | ||
123 | iterator = bt_notification_iterator_create(component); | |
124 | if (!iterator) { | |
125 | goto end; | |
126 | } | |
127 | ||
128 | source = container_of(component, struct bt_component_source, parent); | |
129 | assert(source->init_iterator); | |
130 | ret_component = source->init_iterator(component, iterator); | |
131 | if (ret_component != BT_COMPONENT_STATUS_OK) { | |
132 | goto error; | |
133 | } | |
134 | ||
135 | ret_iterator = bt_notification_iterator_validate(iterator); | |
136 | if (ret_iterator != BT_NOTIFICATION_ITERATOR_STATUS_OK) { | |
137 | goto error; | |
138 | } | |
139 | end: | |
140 | return iterator; | |
141 | error: | |
b8a06801 JG |
142 | BT_PUT(iterator); |
143 | return iterator; | |
47e5a032 | 144 | } |