include/lttng/condition/event-rule-internal.h

   1 /*
   2  * Copyright (C) 2019 - Jonathan Rajotte <jonathan.rajotte-julien@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_CONDITION_event_rule_INTERNAL_H
  19 #define LTTNG_CONDITION_event_rule_INTERNAL_H
  20
  21 #include <lttng/condition/condition-internal.h>
  22 #include <common/buffer-view.h>
  23 #include <common/macros.h>
  24 #include <lttng/condition/evaluation-internal.h>
  25
  26 struct lttng_condition_event_rule {
  27         struct lttng_condition parent;
  28         struct lttng_event_rule *rule;
  29 };
  30
  31 struct lttng_condition_event_rule_comm {
  32         /* length excludes its own length */
  33         uint32_t length;
  34         /* rule */
  35         char payload[];
  36 } LTTNG_PACKED;
  37
  38 struct lttng_evaluation_event_rule {
  39         struct lttng_evaluation parent;
  40         char *name;
  41 };
  42
  43 struct lttng_evaluation_event_rule_comm {
  44         uint32_t trigger_name_length;
  45         /* Trigger name */
  46         char payload[];
  47 } LTTNG_PACKED;
  48
  49
  50 LTTNG_HIDDEN
  51 ssize_t lttng_condition_event_rule_create_from_buffer(
  52                 const struct lttng_buffer_view *view,
  53                 struct lttng_condition **condition);
  54
  55 LTTNG_HIDDEN
  56 enum lttng_condition_status
  57 lttng_condition_event_rule_get_rule_no_const(
  58                 const struct lttng_condition *condition,
  59                 struct lttng_event_rule **rule);
  60
  61 LTTNG_HIDDEN
  62 struct lttng_evaluation *lttng_evaluation_event_rule_create(const char* trigger_name);
  63
  64 LTTNG_HIDDEN
  65 ssize_t lttng_evaluation_event_rule_create_from_buffer(
  66                 const struct lttng_buffer_view *view,
  67                 struct lttng_evaluation **_evaluation);
  68
  69 #endif /* LTTNG_CONDITION_event_rule_INTERNAL_H */