include/lttng/log-level-rule-internal.h

   1 /*
   2  * Copyright (C) 2020 Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
   3  *
   4  * SPDX-License-Identifier: LGPL-2.1-only
   5  *
   6  */
   7
   8 #ifndef LTTNG_LOG_LEVEL_RULE_INTERNAL_H
   9 #define LTTNG_LOG_LEVEL_RULE_INTERNAL_H
  10
  11 #include <stdint.h>
  12
  13 #include <common/buffer-view.h>
  14 #include <common/dynamic-array.h>
  15 #include <common/macros.h>
  16 #include <common/payload-view.h>
  17 #include <common/payload.h>
  18 #include <lttng/event.h>
  19 #include <lttng/log-level-rule.h>
  20
  21 #ifdef __cplusplus
  22 extern "C" {
  23 #endif
  24
  25 struct mi_writer;
  26
  27 /*
  28  * For now only a single backing struct is used for both type of log level
  29  * rule (exactly, as_severe) since both only have require "level" as property.
  30  */
  31 struct lttng_log_level_rule {
  32         enum lttng_log_level_rule_type type;
  33         int level;
  34 };
  35
  36 struct lttng_log_level_rule_comm {
  37         /* enum lttng_log_level_rule_type */
  38         int8_t type;
  39         int32_t level;
  40 };
  41
  42 ssize_t lttng_log_level_rule_create_from_payload(
  43                 struct lttng_payload_view *view,
  44                 struct lttng_log_level_rule **rule);
  45
  46 int lttng_log_level_rule_serialize(const struct lttng_log_level_rule *rule,
  47                 struct lttng_payload *payload);
  48
  49 bool lttng_log_level_rule_is_equal(const struct lttng_log_level_rule *a,
  50                 const struct lttng_log_level_rule *b);
  51
  52 struct lttng_log_level_rule *lttng_log_level_rule_copy(
  53                 const struct lttng_log_level_rule *source);
  54
  55 void lttng_log_level_rule_to_loglevel(
  56                 const struct lttng_log_level_rule *log_level_rule,
  57                 enum lttng_loglevel_type *loglevel_type,
  58                 int *loglevel_value);
  59
  60 unsigned long lttng_log_level_rule_hash(
  61                 const struct lttng_log_level_rule *log_level_rule);
  62
  63 enum lttng_error_code lttng_log_level_rule_mi_serialize(
  64                 const struct lttng_log_level_rule *rule,
  65                 struct mi_writer *writer);
  66
  67 #ifdef __cplusplus
  68 }
  69 #endif
  70
  71 #endif /* LTTNG_LOG_LEVEL_RULE_INTERNAL_H */