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 <common/buffer-view.h>
  14 #include <common/dynamic-buffer.h>
  15 #include <stdint.h>
  16 #include <stdbool.h>
  17 #include <sys/types.h>
  18
  19 struct lttng_notification {
  20         struct lttng_condition *condition;
  21         struct lttng_evaluation *evaluation;
  22 };
  23
  24 struct lttng_notification_comm {
  25         /* Size of the payload following this field. */
  26         uint32_t length;
  27         /* Condition and evaluation objects follow. */
  28         char payload[];
  29 } LTTNG_PACKED;
  30
  31 LTTNG_HIDDEN
  32 struct lttng_notification *lttng_notification_create(
  33                 struct lttng_condition *condition,
  34                 struct lttng_evaluation *evaluation);
  35
  36 LTTNG_HIDDEN
  37 int lttng_notification_serialize(const struct lttng_notification *notification,
  38                 struct lttng_dynamic_buffer *buf);
  39
  40 LTTNG_HIDDEN
  41 ssize_t lttng_notification_create_from_buffer(
  42                 const struct lttng_buffer_view *view,
  43                 struct lttng_notification **notification);
  44
  45 #endif /* LTTNG_NOTIFICATION_INTERNAL_H */