167 lines
4.0 KiB
C++
167 lines
4.0 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 "level.h"
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#include "sinks/base_sink.h"
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#include "details/factory.h"
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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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typedef std::shared_ptr<sinks::base_sink> sink_ptr_t;
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typedef std::vector<sink_ptr_t> sinks_vector_t;
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explicit logger(const std::string& name) :
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logger_name_(name),
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formatter_(std::make_unique<formatters::default_formatter>()),
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sinks_(),
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mutex_(),
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atomic_level_(level::INFO)
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{}
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~logger() = default;
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logger(const logger&) = delete;
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logger& operator=(const logger&) = delete;
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void set_name(const std::string& name);
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const std::string& get_name();
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void add_sink(sink_ptr_t sink_ptr);
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void remove_sink(sink_ptr_t sink_ptr);
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void set_formatter(std::unique_ptr<formatters::formatter> formatter);
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void set_level(c11log::level::level_enum level);
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c11log::level::level_enum get_level() const;
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bool should_log(c11log::level::level_enum level) const;
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details::line_logger log(level::level_enum level);
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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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std::unique_ptr<c11log::formatters::formatter> formatter_;
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sinks_vector_t sinks_;
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std::mutex mutex_;
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std::atomic_int atomic_level_;
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void log_it_(const std::string& msg);
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};
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logger& get_logger(const std::string& name);
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}
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#include "details/line_logger.h"
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//
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// Logger inline impl
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//
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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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if (msg_level >= atomic_level_) {
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return details::line_logger(this, msg_level);
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} else {
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return details::line_logger(nullptr);
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}
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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 void c11log::logger::set_name(const std::string& name)
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{
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std::lock_guard<std::mutex> lock(mutex_);
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logger_name_ = name;
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}
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inline const std::string& c11log::logger::get_name()
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{
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std::lock_guard<std::mutex> lock(mutex_);
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return logger_name_;
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}
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inline void c11log::logger::add_sink(sink_ptr_t sink_ptr)
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{
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std::lock_guard<std::mutex> lock(mutex_);
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sinks_.push_back(sink_ptr);
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}
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inline void c11log::logger::remove_sink(sink_ptr_t sink_ptr)
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{
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std::lock_guard<std::mutex> lock(mutex_);
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sinks_.erase(std::remove(sinks_.begin(), sinks_.end(), sink_ptr), sinks_.end());
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}
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inline void c11log::logger::set_formatter(std::unique_ptr<formatters::formatter> formatter)
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{
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std::lock_guard<std::mutex> lock(mutex_);
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formatter_ = std::move(formatter);
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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)
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{
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level::level_enum level = static_cast<level::level_enum>(atomic_level_.load());
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std::lock_guard<std::mutex> lock(mutex_);
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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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