lib/plugin-system/notification/notification.c

   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
  27 #include <babeltrace/plugin/notification/notification-internal.h>
  28
  29 BT_HIDDEN
  30 void bt_notification_init(struct bt_notification *notification,
  31                 enum bt_notification_type type,
  32                 bt_object_release_func release)
  33 {
  34         assert(type > BT_NOTIFICATION_TYPE_ALL &&
  35                         type < BT_NOTIFICATION_TYPE_NR);
  36         notification->type = type;
  37         bt_object_init(&notification->base, release);
  38 }
  39
  40 enum bt_notification_type bt_notification_get_type(
  41                 struct bt_notification *notification)
  42 {
  43         return notification ? notification->type : BT_NOTIFICATION_TYPE_UNKNOWN;
  44 }
  45
  46 struct bt_ctf_stream *bt_notification_get_stream(
  47                 struct bt_notification *notification)
  48 {
  49         struct bt_ctf_stream *stream = NULL;
  50
  51         if (!notification || !notification->get_stream) {
  52                 goto end;
  53         }
  54
  55         stream = notification->get_stream(notification);
  56 end:
  57         return stream;
  58 }