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Added apply_logger_env_levels (#2649)

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This method applies levels which is set by environment variable
`SPDLOG_LEVEL` to the a single controller. Usefull for loading
configuration into manually created loggers.
This commit is contained in:
afshinpir 2023-02-25 13:37:33 +03:30 committed by GitHub
parent 7372596126
commit 51bcff820e
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4 changed files with 24 additions and 0 deletions
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8
include/spdlog/details/registry-inl.h
View File

@ -287,6 +287,14 @@ SPDLOG_INLINE registry &registry::instance()
return s_instance;
}
SPDLOG_INLINE void registry::apply_logger_env_levels(std::shared_ptr<logger> new_logger)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
auto it = log_levels_.find(new_logger->name());
auto new_level = it != log_levels_.end() ? it->second : global_log_level_;
new_logger->set_level(new_level);
}
SPDLOG_INLINE void registry::throw_if_exists_(const std::string &logger_name)
{
if (loggers_.find(logger_name) != loggers_.end())

2
include/spdlog/details/registry.h
View File

@ -91,6 +91,8 @@ public:
static registry &instance();
void apply_logger_env_levels(std::shared_ptr<logger> new_logger);
private:
registry();
~registry();

5
include/spdlog/spdlog-inl.h
View File

@ -117,4 +117,9 @@ SPDLOG_INLINE void set_default_logger(std::shared_ptr<spdlog::logger> default_lo
details::registry::instance().set_default_logger(std::move(default_logger));
}
SPDLOG_INLINE void apply_logger_env_levels(std::shared_ptr<logger> logger)
{
details::registry::instance().apply_logger_env_levels(std::move(logger));
}
} // namespace spdlog

9
include/spdlog/spdlog.h
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@ -131,6 +131,15 @@ SPDLOG_API spdlog::logger *default_logger_raw();
SPDLOG_API void set_default_logger(std::shared_ptr<spdlog::logger> default_logger);
// Initialize logger level based on environment configs.
//
// Useful for applying SPDLOG_LEVEL to manually created loggers.
//
// Example:
// auto mylogger = std::make_shared<spdlog::logger>("mylogger", ...);
// spdlog::apply_logger_env_levels(mylogger);
SPDLOG_API void apply_logger_env_levels(std::shared_ptr<logger> logger);
template<typename... Args>
inline void log(source_loc source, level::level_enum lvl, format_string_t<Args...> fmt, Args &&... args)
{