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0d884c50 JG |
1 | /* |
2 | * sink.c | |
3 | * | |
47e5a032 | 4 | * Babeltrace Sink Component |
0d884c50 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 | ||
29 | #include <babeltrace/compiler.h> | |
30 | #include <babeltrace/plugin/sink-internal.h> | |
31 | #include <babeltrace/plugin/component-internal.h> | |
32 | ||
33 | static | |
34 | void bt_component_sink_destroy(struct bt_component *component) | |
35 | { | |
36 | struct bt_component_sink *sink; | |
37 | ||
38 | if (!component) { | |
39 | return; | |
40 | } | |
41 | ||
42 | sink = container_of(component, struct bt_component_sink, parent); | |
43 | g_free(sink); | |
44 | } | |
45 | ||
46 | struct bt_component *bt_component_sink_create(const char *name, | |
47 | void *private_data, bt_component_destroy_cb destroy_func, | |
48 | bt_component_sink_handle_notification_cb notification_cb) | |
49 | { | |
50 | struct bt_component_sink *sink = NULL; | |
51 | enum bt_component_status ret; | |
52 | ||
53 | if (!notification_cb) { | |
54 | goto end; | |
55 | } | |
56 | ||
57 | sink = g_new0(struct bt_component_sink, 1); | |
58 | if (!sink) { | |
59 | goto end; | |
60 | } | |
61 | ||
62 | ret = bt_component_init(&sink->parent, name, private_data, | |
63 | destroy_func, BT_COMPONENT_TYPE_SINK, | |
64 | bt_component_sink_destroy); | |
65 | if (ret != BT_COMPONENT_STATUS_OK) { | |
66 | g_free(sink); | |
67 | sink = NULL; | |
68 | goto end; | |
69 | } | |
70 | ||
71 | sink->handle_notification = notification_cb; | |
72 | end: | |
73 | return sink ? &sink->parent : NULL; | |
74 | } | |
fa55ed98 JG |
75 | |
76 | enum bt_component_status bt_component_sink_handle_notification( | |
77 | struct bt_component *component, | |
78 | struct bt_notification *notification) | |
79 | { | |
80 | enum bt_component_status ret = BT_COMPONENT_STATUS_OK; | |
81 | struct bt_component_sink *sink = NULL; | |
82 | ||
83 | if (!component || !notification) { | |
84 | ret = BT_COMPONENT_STATUS_INVAL; | |
85 | goto end; | |
86 | } | |
87 | ||
88 | if (bt_component_get_type(component) != BT_COMPONENT_TYPE_SINK) { | |
89 | ret = BT_COMPONENT_STATUS_UNSUPPORTED; | |
90 | goto end; | |
91 | } | |
92 | ||
93 | sink = container_of(component, struct bt_component_sink, parent); | |
94 | assert(sink->handle_notification); | |
95 | ret = sink->handle_notification(component, notification); | |
96 | end: | |
97 | return ret; | |
98 | } |