include/lttng/trigger/trigger-internal.h

   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 #ifndef LTTNG_TRIGGER_INTERNAL_H
  19 #define LTTNG_TRIGGER_INTERNAL_H
  20
  21 #include <lttng/trigger/trigger.h>
  22 #include <common/macros.h>
  23 #include <common/buffer-view.h>
  24 #include <common/dynamic-buffer.h>
  25 #include <stdint.h>
  26 #include <stdbool.h>
  27 #include <sys/types.h>
  28
  29 struct lttng_trigger {
  30         struct lttng_condition *condition;
  31         struct lttng_action *action;
  32 };
  33
  34 struct lttng_trigger_comm {
  35         /* length excludes its own length. */
  36         uint32_t length;
  37         /* A condition and action object follow. */
  38         char payload[];
  39 } LTTNG_PACKED;
  40
  41 LTTNG_HIDDEN
  42 ssize_t lttng_trigger_create_from_buffer(const struct lttng_buffer_view *view,
  43                 struct lttng_trigger **trigger);
  44
  45 LTTNG_HIDDEN
  46 int lttng_trigger_serialize(struct lttng_trigger *trigger,
  47                 struct lttng_dynamic_buffer *buf);
  48
  49 LTTNG_HIDDEN
  50 bool lttng_trigger_validate(struct lttng_trigger *trigger);
  51
  52 #endif /* LTTNG_TRIGGER_INTERNAL_H */