include/lttng/trigger/trigger-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_TRIGGER_INTERNAL_H
   9 #define LTTNG_TRIGGER_INTERNAL_H
  10
  11 #include <lttng/trigger/trigger.h>
  12 #include <common/credentials.h>
  13 #include <common/macros.h>
  14 #include <common/optional.h>
  15 #include <stdint.h>
  16 #include <stdbool.h>
  17 #include <sys/types.h>
  18 #include <urcu/ref.h>
  19
  20 struct lttng_payload;
  21 struct lttng_payload_view;
  22
  23 struct lttng_trigger {
  24         /* Reference counting is only exposed to internal users. */
  25         struct urcu_ref ref;
  26
  27         struct lttng_condition *condition;
  28         struct lttng_action *action;
  29         LTTNG_OPTIONAL(struct lttng_credentials) creds;
  30 };
  31
  32 struct lttng_trigger_comm {
  33         /* length excludes its own length. */
  34         uint32_t length;
  35         /* A condition and action object follow. */
  36         char payload[];
  37 } LTTNG_PACKED;
  38
  39 LTTNG_HIDDEN
  40 ssize_t lttng_trigger_create_from_payload(struct lttng_payload_view *view,
  41                 struct lttng_trigger **trigger);
  42
  43 LTTNG_HIDDEN
  44 int lttng_trigger_serialize(struct lttng_trigger *trigger,
  45                 struct lttng_payload *payload);
  46
  47 LTTNG_HIDDEN
  48 const struct lttng_condition *lttng_trigger_get_const_condition(
  49                 const struct lttng_trigger *trigger);
  50
  51 LTTNG_HIDDEN
  52 const struct lttng_action *lttng_trigger_get_const_action(
  53                 const struct lttng_trigger *trigger);
  54
  55 LTTNG_HIDDEN
  56 bool lttng_trigger_validate(struct lttng_trigger *trigger);
  57
  58 LTTNG_HIDDEN
  59 void lttng_trigger_get(struct lttng_trigger *trigger);
  60
  61 LTTNG_HIDDEN
  62 void lttng_trigger_put(struct lttng_trigger *trigger);
  63
  64 LTTNG_HIDDEN
  65 const struct lttng_credentials *lttng_trigger_get_credentials(
  66                 const struct lttng_trigger *trigger);
  67
  68 LTTNG_HIDDEN
  69 void lttng_trigger_set_credentials(
  70                 struct lttng_trigger *trigger,
  71                 const struct lttng_credentials *creds);
  72
  73 #endif /* LTTNG_TRIGGER_INTERNAL_H */