95 lines
3.4 KiB
C++
95 lines
3.4 KiB
C++
//
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// Copyright(c) 2015 Gabi Melman.
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// Distributed under the MIT License (http://opensource.org/licenses/MIT)
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//
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#pragma once
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// Thread safe logger (except for set_pattern(..), set_formatter(..) and set_error_handler())
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// Has name, log level, vector of std::shared sink pointers and formatter
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// Upon each log write the logger:
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// 1. Checks if its log level is enough to log the message
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// 2. Format the message using the formatter function
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// 3. Pass the formatted message to its sinks to performa the actual logging
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#include <spdlog/sinks/base_sink.h>
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#include <spdlog/common.h>
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#include <vector>
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#include <memory>
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#include <string>
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namespace spdlog
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{
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class logger
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{
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public:
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logger(const std::string& logger_name, sink_ptr single_sink);
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logger(const std::string& name, sinks_init_list);
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template<class It>
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logger(const std::string& name, const It& begin, const It& end);
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virtual ~logger();
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logger(const logger&) = delete;
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logger& operator=(const logger&) = delete;
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template <typename... Args> void log(level::level_enum lvl, const char* fmt, const Args&... args);
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template <typename... Args> void log(level::level_enum lvl, const char* msg);
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template <typename Arg1, typename... Args> void trace(const char* fmt, const Arg1&, const Args&... args);
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template <typename Arg1, typename... Args> void debug(const char* fmt, const Arg1&, const Args&... args);
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template <typename Arg1, typename... Args> void info(const char* fmt, const Arg1&, const Args&... args);
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template <typename Arg1, typename... Args> void warn(const char* fmt, const Arg1&, const Args&... args);
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template <typename Arg1, typename... Args> void error(const char* fmt, const Arg1&, const Args&... args);
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template <typename Arg1, typename... Args> void critical(const char* fmt, const Arg1&, const Args&... args);
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template <typename T> void log(level::level_enum lvl, const T&);
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template <typename T> void trace(const T&);
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template <typename T> void debug(const T&);
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template <typename T> void info(const T&);
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template <typename T> void warn(const T&);
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template <typename T> void error(const T&);
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template <typename T> void critical(const T&);
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bool should_log(level::level_enum) const;
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void set_level(level::level_enum);
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level::level_enum level() const;
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const std::string& name() const;
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void set_pattern(const std::string&);
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void set_formatter(formatter_ptr);
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// automatically call flush() if message level >= log_level
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void flush_on(level::level_enum log_level);
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virtual void flush();
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const std::vector<sink_ptr>& sinks() const;
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// error handler
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virtual void set_error_handler(log_err_handler);
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virtual log_err_handler error_handler();
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protected:
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virtual void _sink_it(details::log_msg&);
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virtual void _set_pattern(const std::string&);
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virtual void _set_formatter(formatter_ptr);
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// default error handler: print the error to stderr with the max rate of 1 message/minute
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virtual void _default_err_handler(const std::string &msg);
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// return true if the given message level should trigger a flush
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bool _should_flush_on(const details::log_msg&);
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const std::string _name;
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std::vector<sink_ptr> _sinks;
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formatter_ptr _formatter;
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spdlog::level_t _level;
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spdlog::level_t _flush_level;
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log_err_handler _err_handler;
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std::atomic<time_t> _last_err_time;
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};
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}
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#include <spdlog/details/logger_impl.h>
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