src/common/notification.c

   1 /*
   2  * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
   3  *
   4  * This library is free software; you can redistribute it and/or modify it
   5  * under the terms of the GNU Lesser General Public License, version 2.1 only,
   6  * as published by the Free Software Foundation.
   7  *
   8  * This library is distributed in the hope that it will be useful, but WITHOUT
   9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
  11  * for more details.
  12  *
  13  * You should have received a copy of the GNU Lesser General Public License
  14  * along with this library; if not, write to the Free Software Foundation,
  15  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  16  */
  17
  18 #include <lttng/notification/notification-internal.h>
  19 #include <lttng/condition/condition.h>
  20 #include <lttng/condition/evaluation.h>
  21 #include <assert.h>
  22
  23 LTTNG_HIDDEN
  24 struct lttng_notification *lttng_notification_create(
  25                 struct lttng_condition *condition,
  26                 struct lttng_evaluation *evaluation)
  27 {
  28         struct lttng_notification *notification = NULL;
  29
  30         if (!condition || !evaluation) {
  31                 goto end;
  32         }
  33
  34         notification = zmalloc(sizeof(struct lttng_notification));
  35         if (!notification) {
  36                 goto end;
  37         }
  38
  39         notification->condition = condition;
  40         notification->evaluation = evaluation;
  41 end:
  42         return notification;
  43 }
  44
  45 void lttng_notification_destroy(struct lttng_notification *notification)
  46 {
  47         if (!notification) {
  48                 return;
  49         }
  50
  51         lttng_condition_destroy(notification->condition);
  52         lttng_evaluation_destroy(notification->evaluation);
  53         free(notification);
  54 }
  55
  56 struct lttng_condition *lttng_notification_get_condition(
  57                 struct lttng_notification *notification)
  58 {
  59         return notification ? notification->condition : NULL;
  60 }
  61
  62 struct lttng_evaluation *lttng_notification_get_evaluation(
  63                 struct lttng_notification *notification)
  64 {
  65         return notification ? notification->evaluation : NULL;
  66 }