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

   1 /*
   2  * Copyright (C) 2019 Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
   3  *
   4  * SPDX-License-Identifier: LGPL-2.1-only
   5  *
   6  */
   7
   8 #ifndef LTTNG_CONDITION_EVENT_RULE_INTERNAL_H
   9 #define LTTNG_CONDITION_EVENT_RULE_INTERNAL_H
  10
  11 #include <lttng/condition/condition-internal.h>
  12 #include <common/buffer-view.h>
  13 #include <common/macros.h>
  14 #include <lttng/condition/evaluation-internal.h>
  15
  16 struct lttng_condition_event_rule {
  17         struct lttng_condition parent;
  18         struct lttng_event_rule *rule;
  19 };
  20
  21 struct lttng_condition_event_rule_comm {
  22         /* length excludes the header's length. */
  23         uint32_t event_rule_length;
  24         /* Event rule follows. */
  25         char payload[];
  26 } LTTNG_PACKED;
  27
  28 struct lttng_evaluation_event_rule {
  29         struct lttng_evaluation parent;
  30         char *name;
  31 };
  32
  33 struct lttng_evaluation_event_rule_comm {
  34         /* Includes the null terminator. */
  35         uint32_t trigger_name_length;
  36         /* Trigger name. */
  37         char payload[];
  38 } LTTNG_PACKED;
  39
  40
  41 LTTNG_HIDDEN
  42 ssize_t lttng_condition_event_rule_create_from_payload(
  43                 struct lttng_payload_view *view,
  44                 struct lttng_condition **condition);
  45
  46 LTTNG_HIDDEN
  47 enum lttng_condition_status
  48 lttng_condition_event_rule_borrow_rule_mutable(
  49                 const struct lttng_condition *condition,
  50                 struct lttng_event_rule **rule);
  51
  52 LTTNG_HIDDEN
  53 struct lttng_evaluation *lttng_evaluation_event_rule_create(
  54                 const char* trigger_name);
  55
  56 LTTNG_HIDDEN
  57 ssize_t lttng_evaluation_event_rule_create_from_payload(
  58                 struct lttng_payload_view *view,
  59                 struct lttng_evaluation **_evaluation);
  60
  61 #endif /* LTTNG_CONDITION_EVENT_RULE_INTERNAL_H */