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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> | |
30d619df | 32 | #include <babeltrace/plugin/notification/notification.h> |
0d884c50 JG |
33 | |
34 | static | |
35 | void bt_component_sink_destroy(struct bt_component *component) | |
36 | { | |
7c7c0433 JG |
37 | return; |
38 | } | |
0d884c50 | 39 | |
7c7c0433 JG |
40 | BT_HIDDEN |
41 | enum bt_component_status bt_component_sink_validate( | |
42 | struct bt_component *component) | |
43 | { | |
44 | return BT_COMPONENT_STATUS_OK; | |
0d884c50 JG |
45 | } |
46 | ||
8738a040 | 47 | BT_HIDDEN |
fb2dcc52 | 48 | struct bt_component *bt_component_sink_create( |
7c7c0433 | 49 | struct bt_component_class *class, struct bt_value *params) |
0d884c50 JG |
50 | { |
51 | struct bt_component_sink *sink = NULL; | |
52 | enum bt_component_status ret; | |
53 | ||
0d884c50 JG |
54 | sink = g_new0(struct bt_component_sink, 1); |
55 | if (!sink) { | |
56 | goto end; | |
57 | } | |
58 | ||
7c7c0433 | 59 | ret = bt_component_init(&sink->parent, bt_component_sink_destroy); |
0d884c50 | 60 | if (ret != BT_COMPONENT_STATUS_OK) { |
38b48196 | 61 | BT_PUT(sink); |
0d884c50 JG |
62 | goto end; |
63 | } | |
0d884c50 JG |
64 | end: |
65 | return sink ? &sink->parent : NULL; | |
66 | } | |
fa55ed98 JG |
67 | |
68 | enum bt_component_status bt_component_sink_handle_notification( | |
69 | struct bt_component *component, | |
70 | struct bt_notification *notification) | |
71 | { | |
72 | enum bt_component_status ret = BT_COMPONENT_STATUS_OK; | |
73 | struct bt_component_sink *sink = NULL; | |
74 | ||
75 | if (!component || !notification) { | |
30d619df | 76 | ret = BT_COMPONENT_STATUS_INVALID; |
fa55ed98 JG |
77 | goto end; |
78 | } | |
79 | ||
80 | if (bt_component_get_type(component) != BT_COMPONENT_TYPE_SINK) { | |
81 | ret = BT_COMPONENT_STATUS_UNSUPPORTED; | |
82 | goto end; | |
83 | } | |
84 | ||
85 | sink = container_of(component, struct bt_component_sink, parent); | |
86 | assert(sink->handle_notification); | |
87 | ret = sink->handle_notification(component, notification); | |
88 | end: | |
89 | return ret; | |
90 | } | |
30d619df JG |
91 | |
92 | enum bt_component_status bt_component_sink_register_notification_type( | |
93 | struct bt_component *component, enum bt_notification_type type) | |
94 | { | |
95 | enum bt_component_status ret = BT_COMPONENT_STATUS_OK; | |
96 | struct bt_component_sink *sink = NULL; | |
97 | ||
98 | if (!component) { | |
99 | ret = BT_COMPONENT_STATUS_INVALID; | |
100 | goto end; | |
101 | } | |
102 | ||
103 | if (bt_component_get_type(component) != BT_COMPONENT_TYPE_SINK) { | |
104 | ret = BT_COMPONENT_STATUS_UNSUPPORTED; | |
105 | goto end; | |
106 | } | |
107 | ||
108 | if (type <= BT_NOTIFICATION_TYPE_UNKNOWN || | |
109 | type >= BT_NOTIFICATION_TYPE_NR) { | |
110 | ret = BT_COMPONENT_STATUS_INVALID; | |
111 | goto end; | |
112 | } | |
113 | sink = container_of(component, struct bt_component_sink, parent); | |
114 | if (type == BT_NOTIFICATION_TYPE_ALL) { | |
115 | sink->registered_notifications_mask = ~(notification_mask_t) 0; | |
116 | } else { | |
117 | sink->registered_notifications_mask |= | |
118 | (notification_mask_t) 1 << type; | |
119 | } | |
120 | end: | |
121 | return ret; | |
122 | } |