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

   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 <common/buffer-view.hpp>
  12 #include <common/dynamic-array.hpp>
  13 #include <common/macros.hpp>
  14 #include <common/payload-view.hpp>
  15 #include <common/payload.hpp>
  16
  17 #include <lttng/event.h>
  18 #include <lttng/log-level-rule.h>
  19 #include <lttng/lttng-error.h>
  20
  21 #include <stdint.h>
  22
  23 struct mi_writer;
  24
  25 /*
  26  * For now only a single backing struct is used for both type of log level
  27  * rule (exactly, as_severe) since both only have require "level" as property.
  28  */
  29 struct lttng_log_level_rule {
  30         enum lttng_log_level_rule_type type;
  31         int level;
  32 };
  33
  34 struct lttng_log_level_rule_comm {
  35         /* enum lttng_log_level_rule_type */
  36         int8_t type;
  37         int32_t level;
  38 };
  39
  40 ssize_t lttng_log_level_rule_create_from_payload(struct lttng_payload_view *view,
  41                                                  struct lttng_log_level_rule **rule);
  42
  43 int lttng_log_level_rule_serialize(const struct lttng_log_level_rule *rule,
  44                                    struct lttng_payload *payload);
  45
  46 bool lttng_log_level_rule_is_equal(const struct lttng_log_level_rule *a,
  47                                    const struct lttng_log_level_rule *b);
  48
  49 struct lttng_log_level_rule *lttng_log_level_rule_copy(const struct lttng_log_level_rule *source);
  50
  51 void lttng_log_level_rule_to_loglevel(const struct lttng_log_level_rule *log_level_rule,
  52                                       enum lttng_loglevel_type *loglevel_type,
  53                                       int *loglevel_value);
  54
  55 unsigned long lttng_log_level_rule_hash(const struct lttng_log_level_rule *log_level_rule);
  56
  57 enum lttng_error_code lttng_log_level_rule_mi_serialize(const struct lttng_log_level_rule *rule,
  58                                                         struct mi_writer *writer);
  59
  60 #endif /* LTTNG_LOG_LEVEL_RULE_INTERNAL_H */