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 #include <lttng/lttng-error.h>
  21
  22 #ifdef __cplusplus
  23 extern "C" {
  24 #endif
  25
  26 struct mi_writer;
  27
  28 /*
  29  * For now only a single backing struct is used for both type of log level
  30  * rule (exactly, as_severe) since both only have require "level" as property.
  31  */
  32 struct lttng_log_level_rule {
  33         enum lttng_log_level_rule_type type;
  34         int level;
  35 };
  36
  37 struct lttng_log_level_rule_comm {
  38         /* enum lttng_log_level_rule_type */
  39         int8_t type;
  40         int32_t level;
  41 };
  42
  43 ssize_t lttng_log_level_rule_create_from_payload(
  44                 struct lttng_payload_view *view,
  45                 struct lttng_log_level_rule **rule);
  46
  47 int lttng_log_level_rule_serialize(const struct lttng_log_level_rule *rule,
  48                 struct lttng_payload *payload);
  49
  50 bool lttng_log_level_rule_is_equal(const struct lttng_log_level_rule *a,
  51                 const struct lttng_log_level_rule *b);
  52
  53 struct lttng_log_level_rule *lttng_log_level_rule_copy(
  54                 const struct lttng_log_level_rule *source);
  55
  56 void lttng_log_level_rule_to_loglevel(
  57                 const struct lttng_log_level_rule *log_level_rule,
  58                 enum lttng_loglevel_type *loglevel_type,
  59                 int *loglevel_value);
  60
  61 unsigned long lttng_log_level_rule_hash(
  62                 const struct lttng_log_level_rule *log_level_rule);
  63
  64 enum lttng_error_code lttng_log_level_rule_mi_serialize(
  65                 const struct lttng_log_level_rule *rule,
  66                 struct mi_writer *writer);
  67
  68 #ifdef __cplusplus
  69 }
  70 #endif
  71
  72 #endif /* LTTNG_LOG_LEVEL_RULE_INTERNAL_H */