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