Commit | Line | Data |
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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 JG |
35 | |
36 | static | |
0d884c50 | 37 | void bt_component_source_destroy(struct bt_component *component) |
0777b693 | 38 | { |
0d884c50 | 39 | struct bt_component_source *source; |
0777b693 | 40 | |
0d884c50 | 41 | if (!component) { |
0777b693 JG |
42 | return; |
43 | } | |
44 | ||
0d884c50 | 45 | source = container_of(component, struct bt_component_source, parent); |
0777b693 JG |
46 | g_free(source); |
47 | } | |
48 | ||
8738a040 | 49 | BT_HIDDEN |
fb2dcc52 JG |
50 | struct bt_component *bt_component_source_create( |
51 | struct bt_component_class *class, const char *name) | |
0777b693 | 52 | { |
0d884c50 JG |
53 | struct bt_component_source *source = NULL; |
54 | enum bt_component_status ret; | |
0d884c50 | 55 | source = g_new0(struct bt_component_source, 1); |
0777b693 JG |
56 | if (!source) { |
57 | goto end; | |
58 | } | |
59 | ||
fb2dcc52 JG |
60 | ret = bt_component_init(&source->parent, class, name, |
61 | bt_component_source_destroy); | |
0d884c50 | 62 | if (ret != BT_COMPONENT_STATUS_OK) { |
0777b693 JG |
63 | g_free(source); |
64 | source = NULL; | |
65 | goto end; | |
66 | } | |
0777b693 JG |
67 | end: |
68 | return source ? &source->parent : NULL; | |
69 | } | |
47e5a032 JG |
70 | |
71 | struct bt_notification_iterator *bt_plugin_source_create_iterator( | |
72 | struct bt_component *component) | |
73 | { | |
74 | enum bt_component_status ret_component; | |
75 | enum bt_notification_iterator_status ret_iterator; | |
76 | struct bt_component_source *source; | |
77 | struct bt_notification_iterator *iterator = NULL; | |
78 | ||
79 | if (!component) { | |
80 | goto end; | |
81 | } | |
82 | ||
83 | if (bt_component_get_type(component) != BT_COMPONENT_TYPE_SOURCE) { | |
84 | goto end; | |
85 | } | |
86 | ||
87 | iterator = bt_notification_iterator_create(component); | |
88 | if (!iterator) { | |
89 | goto end; | |
90 | } | |
91 | ||
92 | source = container_of(component, struct bt_component_source, parent); | |
93 | assert(source->init_iterator); | |
94 | ret_component = source->init_iterator(component, iterator); | |
95 | if (ret_component != BT_COMPONENT_STATUS_OK) { | |
96 | goto error; | |
97 | } | |
98 | ||
99 | ret_iterator = bt_notification_iterator_validate(iterator); | |
100 | if (ret_iterator != BT_NOTIFICATION_ITERATOR_STATUS_OK) { | |
101 | goto error; | |
102 | } | |
103 | end: | |
104 | return iterator; | |
105 | error: | |
b8a06801 JG |
106 | BT_PUT(iterator); |
107 | return iterator; | |
47e5a032 | 108 | } |