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 #ifdef __cplusplus
  18 extern "C" {
  19 #endif
  20
  21 struct lttng_payload;
  22 struct lttng_payload_view;
  23
  24 struct lttng_notification {
  25         struct lttng_trigger *trigger;
  26         struct lttng_evaluation *evaluation;
  27 };
  28
  29 struct lttng_notification_comm {
  30         /* Size of the payload following this field. */
  31         uint32_t length;
  32         /* Trigger and evaluation objects follow. */
  33         char payload[];
  34 } LTTNG_PACKED;
  35
  36 struct lttng_notification *lttng_notification_create(
  37                 struct lttng_trigger *trigger,
  38                 struct lttng_evaluation *evaluation);
  39
  40 int lttng_notification_serialize(const struct lttng_notification *notification,
  41                 struct lttng_payload *payload);
  42
  43 ssize_t lttng_notification_create_from_payload(
  44                 struct lttng_payload_view *view,
  45                 struct lttng_notification **notification);
  46
  47 #ifdef __cplusplus
  48 }
  49 #endif
  50
  51 #endif /* LTTNG_NOTIFICATION_INTERNAL_H */