/usr/include/spdlog/logger.h is in libspdlog-dev 1:0.16.3-1.
This file is owned by root:root, with mode 0o644.
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// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
// Thread safe logger (except for set_pattern(..), set_formatter(..) and set_error_handler())
// Has name, log level, vector of std::shared sink pointers and formatter
// Upon each log write the logger:
// 1. Checks if its log level is enough to log the message
// 2. Format the message using the formatter function
// 3. Pass the formatted message to its sinks to performa the actual logging
#include "sinks/base_sink.h"
#include "common.h"
#include <vector>
#include <memory>
#include <string>
namespace spdlog
{
class logger
{
public:
logger(const std::string& logger_name, sink_ptr single_sink);
logger(const std::string& name, sinks_init_list);
template<class It>
logger(const std::string& name, const It& begin, const It& end);
virtual ~logger();
logger(const logger&) = delete;
logger& operator=(const logger&) = delete;
template <typename... Args> void log(level::level_enum lvl, const char* fmt, const Args&... args);
template <typename... Args> void log(level::level_enum lvl, const char* msg);
template <typename Arg1, typename... Args> void trace(const char* fmt, const Arg1&, const Args&... args);
template <typename Arg1, typename... Args> void debug(const char* fmt, const Arg1&, const Args&... args);
template <typename Arg1, typename... Args> void info(const char* fmt, const Arg1&, const Args&... args);
template <typename Arg1, typename... Args> void warn(const char* fmt, const Arg1&, const Args&... args);
template <typename Arg1, typename... Args> void error(const char* fmt, const Arg1&, const Args&... args);
template <typename Arg1, typename... Args> void critical(const char* fmt, const Arg1&, const Args&... args);
#ifdef SPDLOG_WCHAR_TO_UTF8_SUPPORT
template <typename... Args> void log(level::level_enum lvl, const wchar_t* msg);
template <typename... Args> void log(level::level_enum lvl, const wchar_t* fmt, const Args&... args);
template <typename... Args> void trace(const wchar_t* fmt, const Args&... args);
template <typename... Args> void debug(const wchar_t* fmt, const Args&... args);
template <typename... Args> void info(const wchar_t* fmt, const Args&... args);
template <typename... Args> void warn(const wchar_t* fmt, const Args&... args);
template <typename... Args> void error(const wchar_t* fmt, const Args&... args);
template <typename... Args> void critical(const wchar_t* fmt, const Args&... args);
#endif // SPDLOG_WCHAR_TO_UTF8_SUPPORT
template <typename T> void log(level::level_enum lvl, const T&);
template <typename T> void trace(const T&);
template <typename T> void debug(const T&);
template <typename T> void info(const T&);
template <typename T> void warn(const T&);
template <typename T> void error(const T&);
template <typename T> void critical(const T&);
bool should_log(level::level_enum) const;
void set_level(level::level_enum);
level::level_enum level() const;
const std::string& name() const;
void set_pattern(const std::string&, pattern_time_type = pattern_time_type::local);
void set_formatter(formatter_ptr);
// automatically call flush() if message level >= log_level
void flush_on(level::level_enum log_level);
virtual void flush();
const std::vector<sink_ptr>& sinks() const;
// error handler
virtual void set_error_handler(log_err_handler);
virtual log_err_handler error_handler();
protected:
virtual void _sink_it(details::log_msg&);
virtual void _set_pattern(const std::string&, pattern_time_type);
virtual void _set_formatter(formatter_ptr);
// default error handler: print the error to stderr with the max rate of 1 message/minute
virtual void _default_err_handler(const std::string &msg);
// return true if the given message level should trigger a flush
bool _should_flush_on(const details::log_msg&);
// increment the message count (only if defined(SPDLOG_ENABLE_MESSAGE_COUNTER))
void _incr_msg_counter(details::log_msg &msg);
const std::string _name;
std::vector<sink_ptr> _sinks;
formatter_ptr _formatter;
spdlog::level_t _level;
spdlog::level_t _flush_level;
log_err_handler _err_handler;
std::atomic<time_t> _last_err_time;
std::atomic<size_t> _msg_counter;
};
}
#include "details/logger_impl.h"
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