Move initialization of components to init functions
[babeltrace.git] / plugins / source.c
CommitLineData
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1/*
2 * source.c
3 *
0d884c50 4 * Babeltrace Source Component
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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
fd0f910d 29#include <babeltrace/compiler.h>
0777b693 30#include <babeltrace/plugin/source-internal.h>
0d884c50 31#include <babeltrace/plugin/component-internal.h>
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32#include <babeltrace/plugin/notification/iterator.h>
33#include <babeltrace/plugin/notification/iterator-internal.h>
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34
35static
0d884c50 36void bt_component_source_destroy(struct bt_component *component)
0777b693 37{
0d884c50 38 struct bt_component_source *source;
0777b693 39
0d884c50 40 if (!component) {
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41 return;
42 }
43
0d884c50 44 source = container_of(component, struct bt_component_source, parent);
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45 g_free(source);
46}
47
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48BT_HIDDEN
49struct bt_component *bt_component_source_create(const char *name)
0777b693 50{
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51 struct bt_component_source *source = NULL;
52 enum bt_component_status ret;
0d884c50 53 source = g_new0(struct bt_component_source, 1);
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54 if (!source) {
55 goto end;
56 }
57
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58 ret = bt_component_init(&source->parent, name,
59 BT_COMPONENT_TYPE_SOURCE, bt_component_source_destroy);
0d884c50 60 if (ret != BT_COMPONENT_STATUS_OK) {
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61 g_free(source);
62 source = NULL;
63 goto end;
64 }
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65end:
66 return source ? &source->parent : NULL;
67}
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68
69struct bt_notification_iterator *bt_plugin_source_create_iterator(
70 struct bt_component *component)
71{
72 enum bt_component_status ret_component;
73 enum bt_notification_iterator_status ret_iterator;
74 struct bt_component_source *source;
75 struct bt_notification_iterator *iterator = NULL;
76
77 if (!component) {
78 goto end;
79 }
80
81 if (bt_component_get_type(component) != BT_COMPONENT_TYPE_SOURCE) {
82 goto end;
83 }
84
85 iterator = bt_notification_iterator_create(component);
86 if (!iterator) {
87 goto end;
88 }
89
90 source = container_of(component, struct bt_component_source, parent);
91 assert(source->init_iterator);
92 ret_component = source->init_iterator(component, iterator);
93 if (ret_component != BT_COMPONENT_STATUS_OK) {
94 goto error;
95 }
96
97 ret_iterator = bt_notification_iterator_validate(iterator);
98 if (ret_iterator != BT_NOTIFICATION_ITERATOR_STATUS_OK) {
99 goto error;
100 }
101end:
102 return iterator;
103error:
104 bt_notification_iterator_put(iterator);
105 return NULL;
106}
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