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