include/lttng/notification/notification-internal.h

   1 /*
   2  * Copyright (C) 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com>
   3  *
   4  * SPDX-License-Identifier: LGPL-2.1-only
   5  *
   6  */
   7
   8 #ifndef LTTNG_NOTIFICATION_INTERNAL_H
   9 #define LTTNG_NOTIFICATION_INTERNAL_H
  10
  11 #include <lttng/notification/notification.h>
  12 #include <common/macros.h>
  13 #include <stdint.h>
  14 #include <stdbool.h>
  15 #include <sys/types.h>
  16
  17 struct lttng_payload;
  18 struct lttng_payload_view;
  19
  20 struct lttng_notification {
  21         struct lttng_condition *condition;
  22         struct lttng_evaluation *evaluation;
  23 };
  24
  25 struct lttng_notification_comm {
  26         /* Size of the payload following this field. */
  27         uint32_t length;
  28         /* Condition and evaluation objects follow. */
  29         char payload[];
  30 } LTTNG_PACKED;
  31
  32 LTTNG_HIDDEN
  33 struct lttng_notification *lttng_notification_create(
  34                 struct lttng_condition *condition,
  35                 struct lttng_evaluation *evaluation);
  36
  37 LTTNG_HIDDEN
  38 int lttng_notification_serialize(const struct lttng_notification *notification,
  39                 struct lttng_payload *payload);
  40
  41 LTTNG_HIDDEN
  42 ssize_t lttng_notification_create_from_payload(
  43                 struct lttng_payload_view *view,
  44                 struct lttng_notification **notification);
  45
  46 #endif /* LTTNG_NOTIFICATION_INTERNAL_H */