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043e2020 JG |
1 | /* |
2 | * Babeltrace Plug-in Stream-related Notifications | |
3 | * | |
4 | * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
5 | * | |
6 | * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
7 | * | |
8 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
9 | * of this software and associated documentation files (the "Software"), to deal | |
10 | * in the Software without restriction, including without limitation the rights | |
11 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
12 | * copies of the Software, and to permit persons to whom the Software is | |
13 | * furnished to do so, subject to the following conditions: | |
14 | * | |
15 | * The above copyright notice and this permission notice shall be included in | |
16 | * all copies or substantial portions of the Software. | |
17 | * | |
18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
20 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
21 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
22 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
23 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
24 | * SOFTWARE. | |
25 | */ | |
26 | ||
3d9990ac | 27 | #include <babeltrace/compiler-internal.h> |
3230ee6b | 28 | #include <babeltrace/ctf-ir/stream-internal.h> |
b2e0c907 | 29 | #include <babeltrace/graph/notification-stream-internal.h> |
043e2020 JG |
30 | |
31 | static | |
32 | void bt_notification_stream_end_destroy(struct bt_object *obj) | |
33 | { | |
34 | struct bt_notification_stream_end *notification = | |
35 | (struct bt_notification_stream_end *) obj; | |
36 | ||
37 | BT_PUT(notification->stream); | |
38 | g_free(notification); | |
39 | } | |
40 | ||
41 | struct bt_notification *bt_notification_stream_end_create( | |
42 | struct bt_ctf_stream *stream) | |
43 | { | |
44 | struct bt_notification_stream_end *notification; | |
45 | ||
3230ee6b | 46 | if (!stream || stream->pos.fd >= 0) { |
043e2020 JG |
47 | goto error; |
48 | } | |
49 | ||
50 | notification = g_new0(struct bt_notification_stream_end, 1); | |
51 | bt_notification_init(¬ification->parent, | |
52 | BT_NOTIFICATION_TYPE_STREAM_END, | |
53 | bt_notification_stream_end_destroy); | |
54 | notification->stream = bt_get(stream); | |
55 | return ¬ification->parent; | |
56 | error: | |
57 | return NULL; | |
58 | } | |
59 | ||
60 | struct bt_ctf_packet *bt_notification_stream_end_get_stream( | |
61 | struct bt_notification *notification) | |
62 | { | |
63 | struct bt_notification_stream_end *stream_end; | |
64 | ||
65 | stream_end = container_of(notification, | |
66 | struct bt_notification_stream_end, parent); | |
67 | return bt_get(stream_end->stream); | |
68 | } | |
3230ee6b PP |
69 | |
70 | static | |
71 | void bt_notification_stream_begin_destroy(struct bt_object *obj) | |
72 | { | |
73 | struct bt_notification_stream_begin *notification = | |
74 | (struct bt_notification_stream_begin *) obj; | |
75 | ||
76 | BT_PUT(notification->stream); | |
77 | g_free(notification); | |
78 | } | |
79 | ||
80 | struct bt_notification *bt_notification_stream_begin_create( | |
81 | struct bt_ctf_stream *stream) | |
82 | { | |
83 | struct bt_notification_stream_begin *notification; | |
84 | ||
85 | if (!stream || stream->pos.fd >= 0) { | |
86 | goto error; | |
87 | } | |
88 | ||
89 | notification = g_new0(struct bt_notification_stream_begin, 1); | |
90 | bt_notification_init(¬ification->parent, | |
91 | BT_NOTIFICATION_TYPE_STREAM_BEGIN, | |
92 | bt_notification_stream_begin_destroy); | |
93 | notification->stream = bt_get(stream); | |
94 | return ¬ification->parent; | |
95 | error: | |
96 | return NULL; | |
97 | } | |
98 | ||
99 | struct bt_ctf_packet *bt_notification_stream_begin_get_stream( | |
100 | struct bt_notification *notification) | |
101 | { | |
102 | struct bt_notification_stream_begin *stream_begin; | |
103 | ||
104 | stream_begin = container_of(notification, | |
105 | struct bt_notification_stream_begin, parent); | |
106 | return bt_get(stream_begin->stream); | |
107 | } |