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6cdbfd7a JG |
1 | /* |
2 | * Babeltrace Plug-in Notification | |
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 | ||
8b45963b PP |
27 | #define BT_LOG_TAG "NOTIF" |
28 | #include <babeltrace/lib-logging-internal.h> | |
29 | ||
b2e0c907 | 30 | #include <babeltrace/graph/notification-internal.h> |
f7c3ac09 | 31 | #include <babeltrace/graph/graph-internal.h> |
8b45963b PP |
32 | #include <babeltrace/assert-internal.h> |
33 | #include <babeltrace/assert-pre-internal.h> | |
6cdbfd7a | 34 | |
6ff151ad PP |
35 | BT_ASSERT_PRE_FUNC |
36 | static inline void _init_seq_num(struct bt_notification *notification) | |
37 | { | |
f7c3ac09 | 38 | notification->seq_num = UINT64_C(-1); |
6ff151ad PP |
39 | } |
40 | ||
41 | #ifdef BT_DEV_MODE | |
42 | # define init_seq_num _init_seq_num | |
43 | #else | |
44 | # define init_seq_num(_notif) | |
45 | #endif /* BT_DEV_MODE */ | |
46 | ||
78586d8a JG |
47 | BT_HIDDEN |
48 | void bt_notification_init(struct bt_notification *notification, | |
49 | enum bt_notification_type type, | |
f7c3ac09 PP |
50 | bt_object_release_func release, |
51 | struct bt_graph *graph) | |
78586d8a | 52 | { |
6ff151ad | 53 | BT_ASSERT(type >= 0 && type < BT_NOTIFICATION_TYPE_NR); |
78586d8a | 54 | notification->type = type; |
6ff151ad | 55 | init_seq_num(notification); |
1d7bf349 | 56 | bt_object_init_shared(¬ification->base, release); |
f7c3ac09 PP |
57 | notification->graph = graph; |
58 | ||
59 | if (graph) { | |
60 | bt_graph_add_notification(graph, notification); | |
61 | } | |
78586d8a JG |
62 | } |
63 | ||
6cdbfd7a JG |
64 | enum bt_notification_type bt_notification_get_type( |
65 | struct bt_notification *notification) | |
66 | { | |
8b45963b PP |
67 | BT_ASSERT_PRE_NON_NULL(notification, "Notification"); |
68 | return notification->type; | |
6cdbfd7a | 69 | } |
f7c3ac09 PP |
70 | |
71 | BT_HIDDEN | |
72 | void bt_notification_unlink_graph(struct bt_notification *notif) | |
73 | { | |
74 | BT_ASSERT(notif); | |
75 | notif->graph = NULL; | |
76 | } |