123 lines
3.9 KiB
C++
123 lines
3.9 KiB
C++
// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
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// Distributed under the MIT License (http://opensource.org/licenses/MIT)
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#pragma once
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// Loggers registry of unique name->logger pointer
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// An attempt to create a logger with an already existing name will result with spdlog_ex exception.
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// If user requests a non existing logger, nullptr will be returned
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// This class is thread safe
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#include <spdlog/common.h>
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#include <spdlog/details/periodic_worker.h>
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#include <chrono>
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#include <functional>
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#include <memory>
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#include <mutex>
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#include <string>
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#include <unordered_map>
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namespace spdlog {
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class logger;
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namespace details {
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class thread_pool;
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class SPDLOG_API registry {
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public:
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using log_levels = std::unordered_map<std::string, level::level_enum>;
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registry(const registry &) = delete;
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registry &operator=(const registry &) = delete;
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void register_logger(std::shared_ptr<logger> new_logger);
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void initialize_logger(std::shared_ptr<logger> new_logger);
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std::shared_ptr<logger> get(const std::string &logger_name);
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std::shared_ptr<logger> default_logger();
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// Return raw ptr to the default logger.
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// To be used directly by the spdlog default api (e.g. spdlog::info)
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// This make the default API faster, but cannot be used concurrently with set_default_logger().
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// e.g do not call set_default_logger() from one thread while calling spdlog::info() from
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// another.
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logger *get_default_raw();
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// set default logger.
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// default logger is stored in default_logger_ (for faster retrieval) and in the loggers_ map.
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void set_default_logger(std::shared_ptr<logger> new_default_logger);
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void set_tp(std::shared_ptr<thread_pool> tp);
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std::shared_ptr<thread_pool> get_tp();
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// Set global formatter. Each sink in each logger will get a clone of this object
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void set_formatter(std::unique_ptr<formatter> formatter);
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void enable_backtrace(size_t n_messages);
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void disable_backtrace();
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void set_level(level::level_enum log_level);
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void flush_on(level::level_enum log_level);
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template <typename Rep, typename Period>
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void flush_every(std::chrono::duration<Rep, Period> interval) {
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std::lock_guard<std::mutex> lock(flusher_mutex_);
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auto clbk = [this]() { this->flush_all(); };
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periodic_flusher_ = details::make_unique<periodic_worker>(clbk, interval);
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}
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void set_error_handler(err_handler handler);
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void apply_all(const std::function<void(const std::shared_ptr<logger>)> &fun);
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void flush_all();
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void drop(const std::string &logger_name);
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void drop_all();
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// clean all resources and threads started by the registry
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void shutdown();
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std::recursive_mutex &tp_mutex();
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void set_automatic_registration(bool automatic_registration);
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// set levels for all existing/future loggers. global_level can be null if should not set.
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void set_levels(log_levels levels, level::level_enum *global_level);
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static registry &instance();
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void apply_logger_env_levels(std::shared_ptr<logger> new_logger);
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private:
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registry();
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~registry();
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void throw_if_exists_(const std::string &logger_name);
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void register_logger_(std::shared_ptr<logger> new_logger);
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bool set_level_from_cfg_(logger *logger);
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std::mutex logger_map_mutex_, flusher_mutex_;
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std::recursive_mutex tp_mutex_;
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std::unordered_map<std::string, std::shared_ptr<logger>> loggers_;
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log_levels log_levels_;
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std::unique_ptr<formatter> formatter_;
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spdlog::level::level_enum global_log_level_ = level::info;
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level::level_enum flush_level_ = level::off;
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err_handler err_handler_;
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std::shared_ptr<thread_pool> tp_;
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std::unique_ptr<periodic_worker> periodic_flusher_;
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std::shared_ptr<logger> default_logger_;
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bool automatic_registration_ = true;
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size_t backtrace_n_messages_ = 0;
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};
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} // namespace details
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} // namespace spdlog
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#ifdef SPDLOG_HEADER_ONLY
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#include "registry-inl.h"
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#endif
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