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 // Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
 // Distributed under the MIT License (http://opensource.org/licenses/MIT)
 
 #pragma once
 
 #ifndef SPDLOG_HEADER_ONLY
 #    include <spdlog/details/registry.h>
 #endif
 
 #include <spdlog/common.h>
 #include <spdlog/details/periodic_worker.h>
 #include <spdlog/logger.h>
 #include <spdlog/pattern_formatter.h>
 
 #ifndef SPDLOG_DISABLE_DEFAULT_LOGGER
 // support for the default stdout color logger
 #    ifdef _WIN32
 #        include <spdlog/sinks/wincolor_sink.h>
 #    else
 #        include <spdlog/sinks/ansicolor_sink.h>
 #    endif
 #endif // SPDLOG_DISABLE_DEFAULT_LOGGER
 
 #include <chrono>
 #include <functional>
 #include <memory>
 #include <string>
 #include <unordered_map>
 
 namespace spdlog {
 namespace details {
 
 SPDLOG_INLINE registry::registry()
     : formatter_(new pattern_formatter())
 {
 
 #ifndef SPDLOG_DISABLE_DEFAULT_LOGGER
     // create default logger (ansicolor_stdout_sink_mt or wincolor_stdout_sink_mt in windows).
 #    ifdef _WIN32
     auto color_sink = std::make_shared<sinks::wincolor_stdout_sink_mt>();
 #    else
     auto color_sink = std::make_shared<sinks::ansicolor_stdout_sink_mt>();
 #    endif
 
     const char *default_logger_name = "";
     default_logger_ = std::make_shared<spdlog::logger>(default_logger_name, std::move(color_sink));
     loggers_[default_logger_name] = default_logger_;
 
 #endif // SPDLOG_DISABLE_DEFAULT_LOGGER
 }
 
 SPDLOG_INLINE registry::~registry() = default;
 
 SPDLOG_INLINE void registry::register_logger(std::shared_ptr<logger> new_logger)
 {
     std::lock_guard<std::mutex> lock(logger_map_mutex_);
     register_logger_(std::move(new_logger));
 }
 
 SPDLOG_INLINE void registry::initialize_logger(std::shared_ptr<logger> new_logger)
 {
     std::lock_guard<std::mutex> lock(logger_map_mutex_);
     new_logger->set_formatter(formatter_->clone());
 
     if (err_handler_)
     {
         new_logger->set_error_handler(err_handler_);
     }
 
     // set new level according to previously configured level or default level
     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);
 
     new_logger->flush_on(flush_level_);
 
     if (backtrace_n_messages_ > 0)
     {
         new_logger->enable_backtrace(backtrace_n_messages_);
     }
 
     if (automatic_registration_)
     {
         register_logger_(std::move(new_logger));
     }
 }
 
 SPDLOG_INLINE std::shared_ptr<logger> registry::get(const std::string &logger_name)
 {
     std::lock_guard<std::mutex> lock(logger_map_mutex_);
     auto found = loggers_.find(logger_name);
     return found == loggers_.end() ? nullptr : found->second;
 }
 
 SPDLOG_INLINE std::shared_ptr<logger> registry::default_logger()
 {
     std::lock_guard<std::mutex> lock(logger_map_mutex_);
     return default_logger_;
 }
 
 // Return raw ptr to the default logger.
 // To be used directly by the spdlog default api (e.g. spdlog::info)
 // This make the default API faster, but cannot be used concurrently with set_default_logger().
 // e.g do not call set_default_logger() from one thread while calling spdlog::info() from another.
 SPDLOG_INLINE logger *registry::get_default_raw()
 {
     return default_logger_.get();
 }
 
 // set default logger.
 // default logger is stored in default_logger_ (for faster retrieval) and in the loggers_ map.
 SPDLOG_INLINE void registry::set_default_logger(std::shared_ptr<logger> new_default_logger)
 {
     std::lock_guard<std::mutex> lock(logger_map_mutex_);
     // remove previous default logger from the map
     if (default_logger_ != nullptr)
     {
         loggers_.erase(default_logger_->name());
     }
     if (new_default_logger != nullptr)
     {
         loggers_[new_default_logger->name()] = new_default_logger;
     }
     default_logger_ = std::move(new_default_logger);
 }
 
 SPDLOG_INLINE void registry::set_tp(std::shared_ptr<thread_pool> tp)
 {
     std::lock_guard<std::recursive_mutex> lock(tp_mutex_);
     tp_ = std::move(tp);
 }
 
 SPDLOG_INLINE std::shared_ptr<thread_pool> registry::get_tp()
 {
     std::lock_guard<std::recursive_mutex> lock(tp_mutex_);
     return tp_;
 }
 
 // Set global formatter. Each sink in each logger will get a clone of this object
 SPDLOG_INLINE void registry::set_formatter(std::unique_ptr<formatter> formatter)
 {
     std::lock_guard<std::mutex> lock(logger_map_mutex_);
     formatter_ = std::move(formatter);
     for (auto &l : loggers_)
     {
         l.second->set_formatter(formatter_->clone());
     }
 }
 
 SPDLOG_INLINE void registry::enable_backtrace(size_t n_messages)
 {
     std::lock_guard<std::mutex> lock(logger_map_mutex_);
     backtrace_n_messages_ = n_messages;
 
     for (auto &l : loggers_)
     {
         l.second->enable_backtrace(n_messages);
     }
 }
 
 SPDLOG_INLINE void registry::disable_backtrace()
 {
     std::lock_guard<std::mutex> lock(logger_map_mutex_);
     backtrace_n_messages_ = 0;
     for (auto &l : loggers_)
     {
         l.second->disable_backtrace();
     }
 }
 
 SPDLOG_INLINE void registry::set_level(level::level_enum log_level)
 {
     std::lock_guard<std::mutex> lock(logger_map_mutex_);
     for (auto &l : loggers_)
     {
         l.second->set_level(log_level);
     }
     global_log_level_ = log_level;
 }
 
 SPDLOG_INLINE void registry::flush_on(level::level_enum log_level)
 {
     std::lock_guard<std::mutex> lock(logger_map_mutex_);
     for (auto &l : loggers_)
     {
         l.second->flush_on(log_level);
     }
     flush_level_ = log_level;
 }
 
 SPDLOG_INLINE void registry::set_error_handler(err_handler handler)
 {
     std::lock_guard<std::mutex> lock(logger_map_mutex_);
     for (auto &l : loggers_)
     {
         l.second->set_error_handler(handler);
     }
     err_handler_ = std::move(handler);
 }
 
 SPDLOG_INLINE void registry::apply_all(const std::function<void(const std::shared_ptr<logger>)> &fun)
 {
     std::lock_guard<std::mutex> lock(logger_map_mutex_);
     for (auto &l : loggers_)
     {
         fun(l.second);
     }
 }
 
 SPDLOG_INLINE void registry::flush_all()
 {
     std::lock_guard<std::mutex> lock(logger_map_mutex_);
     for (auto &l : loggers_)
     {
         l.second->flush();
     }
 }
 
 SPDLOG_INLINE void registry::drop(const std::string &logger_name)
 {
     std::lock_guard<std::mutex> lock(logger_map_mutex_);
     loggers_.erase(logger_name);
     if (default_logger_ && default_logger_->name() == logger_name)
     {
         default_logger_.reset();
     }
 }
 
 SPDLOG_INLINE void registry::drop_all()
 {
     std::lock_guard<std::mutex> lock(logger_map_mutex_);
     loggers_.clear();
     default_logger_.reset();
 }
 
 // clean all resources and threads started by the registry
 SPDLOG_INLINE void registry::shutdown()
 {
     {
         std::lock_guard<std::mutex> lock(flusher_mutex_);
         periodic_flusher_.reset();
     }
 
     drop_all();
 
     {
         std::lock_guard<std::recursive_mutex> lock(tp_mutex_);
         tp_.reset();
     }
 }
 
 SPDLOG_INLINE std::recursive_mutex &registry::tp_mutex()
 {
     return tp_mutex_;
 }
 
 SPDLOG_INLINE void registry::set_automatic_registration(bool automatic_registration)
 {
     std::lock_guard<std::mutex> lock(logger_map_mutex_);
     automatic_registration_ = automatic_registration;
 }
 
 SPDLOG_INLINE void registry::set_levels(log_levels levels, level::level_enum *global_level)
 {
     std::lock_guard<std::mutex> lock(logger_map_mutex_);
     log_levels_ = std::move(levels);
     auto global_level_requested = global_level != nullptr;
     global_log_level_ = global_level_requested ? *global_level : global_log_level_;
 
     for (auto &logger : loggers_)
     {
         auto logger_entry = log_levels_.find(logger.first);
         if (logger_entry != log_levels_.end())
         {
             logger.second->set_level(logger_entry->second);
         }
         else if (global_level_requested)
         {
             logger.second->set_level(*global_level);
         }
     }
 }
 
 SPDLOG_INLINE registry &registry::instance()
 {
     static registry s_instance;
     return s_instance;
 }
 
 SPDLOG_INLINE void registry::throw_if_exists_(const std::string &logger_name)
 {
     if (loggers_.find(logger_name) != loggers_.end())
     {
         throw_spdlog_ex("logger with name '" + logger_name + "' already exists");
     }
 }
 
 SPDLOG_INLINE void registry::register_logger_(std::shared_ptr<logger> new_logger)
 {
     auto logger_name = new_logger->name();
     throw_if_exists_(logger_name);
     loggers_[logger_name] = std::move(new_logger);
 }
 
 } // namespace details
 } // namespace spdlog

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