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154 lines
3.8 KiB
C++
154 lines
3.8 KiB
C++
#pragma once
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// Thread safe logger
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// Has log level and vector sinks which do the actual logging
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#include<vector>
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#include<memory>
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#include<mutex>
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#include<atomic>
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#include <algorithm>
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#include "common_types.h"
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#include "sinks/base_sink.h"
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#include "details/factory.h"
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//Thread safe, fast logger.
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//All initialization is done in ctor only, so we get away lot of locking
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namespace c11log
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{
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namespace details
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{
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class line_logger;
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}
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class logger
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{
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public:
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using sink_ptr = std::shared_ptr<sinks::base_sink>;
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using formatter_ptr = std::shared_ptr<c11log::formatters::formatter>;
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using sinks_vector_t = std::vector<sink_ptr>;
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using sinks_init_list = std::initializer_list<sink_ptr>;
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logger(const std::string& name, formatter_ptr f, sinks_init_list sinks_list) :
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_logger_name(name),
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_formatter(f),
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_sinks(sinks_list) {
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//Seems that vs2013 doesnt support atomic member initialization in ctor, so its done here
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_atomic_level = level::INFO;
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}
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logger(const std::string& name, sinks_init_list sinks_list) :
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logger(name, std::make_shared<formatters::default_formatter>(), sinks_list) {}
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logger(sinks_init_list sinks_list) :
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logger("", std::make_shared<formatters::default_formatter>(), sinks_list) {}
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~logger() = default;
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//Non copybale in anyway
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logger(const logger&) = delete;
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logger(logger&&) = delete;
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logger& operator=(const logger&) = delete;
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logger& operator=(logger&&) = delete;
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void set_level(c11log::level::level_enum);
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c11log::level::level_enum get_level() const;
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const std::string& get_name() const;
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bool should_log(c11log::level::level_enum) const;
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details::line_logger log(level::level_enum);
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details::line_logger debug();
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details::line_logger info();
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details::line_logger warn();
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details::line_logger error();
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details::line_logger fatal();
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private:
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friend details::line_logger;
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std::string _logger_name = "";
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formatter_ptr _formatter;
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sinks_vector_t _sinks;
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std::atomic_int _atomic_level;
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void _log_it(const std::string& msg, const level::level_enum level);
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};
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logger& get_logger(const std::string& name);
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}
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//
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// Logger inline impl
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//
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#include "details/line_logger.h"
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inline c11log::details::line_logger c11log::logger::log(c11log::level::level_enum msg_level)
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{
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return details::line_logger(this, msg_level, msg_level >= _atomic_level);
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}
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inline c11log::details::line_logger c11log::logger::debug()
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{
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return log(c11log::level::DEBUG);
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}
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inline c11log::details::line_logger c11log::logger::info()
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{
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return log(c11log::level::INFO);
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}
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inline c11log::details::line_logger c11log::logger::warn()
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{
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return log(c11log::level::WARNING);
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}
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inline c11log::details::line_logger c11log::logger::error()
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{
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return log(level::ERROR);
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}
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inline c11log::details::line_logger c11log::logger::fatal()
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{
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return log(c11log::level::FATAL);
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}
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inline const std::string& c11log::logger::get_name() const
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{
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return _logger_name;
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}
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inline void c11log::logger::set_level(c11log::level::level_enum level)
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{
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_atomic_level.store(level);
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}
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inline c11log::level::level_enum c11log::logger::get_level() const
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{
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return static_cast<c11log::level::level_enum>(_atomic_level.load());
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}
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inline bool c11log::logger::should_log(c11log::level::level_enum level) const
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{
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return level >= _atomic_level.load();
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}
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inline void c11log::logger::_log_it(const std::string& msg, const level::level_enum level)
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{
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for (auto &sink : _sinks)
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sink->log(msg, level);
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}
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// Static factory function
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inline c11log::logger& c11log::get_logger(const std::string& name)
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{
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return *(c11log::details::factory::instance().get_logger(name));
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}
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