diff --git a/example/example.cpp b/example/example.cpp index 56622e14..217d1433 100644 --- a/example/example.cpp +++ b/example/example.cpp @@ -25,7 +25,7 @@ int main(int, char*[]) auto console = spd::stdout_logger_mt("console", true); console->info("Welcome to spdlog!"); console->error("An error message example {}..", 1); - + // Formatting examples console->warn("Easy padding in numbers like {:08d}", 12); console->critical("Support for int: {0:d}; hex: {0:x}; oct: {0:o}; bin: {0:b}", 42); @@ -56,8 +56,8 @@ int main(int, char*[]) // Create a daily logger - a new file is created every day on 2:30am auto daily_logger = spd::daily_logger_mt("daily_logger", "logs/daily", 2, 30); - // trigger flush if the log severity is error or higher - daily_logger->flush_on(spd::level::err); + // trigger flush if the log severity is error or higher + daily_logger->flush_on(spd::level::err); daily_logger->info(123.44); // Customize msg format for all messages @@ -104,7 +104,7 @@ void async_example() size_t q_size = 4096; //queue size must be power of 2 spdlog::set_async_mode(q_size); auto async_file = spd::daily_logger_st("async_file_logger", "logs/async_log.txt"); - + for (int i = 0; i < 100; ++i) async_file->info("Async message #{}", i); } diff --git a/include/spdlog/details/async_logger_impl.h b/include/spdlog/details/async_logger_impl.h index d94a18e9..b750761e 100644 --- a/include/spdlog/details/async_logger_impl.h +++ b/include/spdlog/details/async_logger_impl.h @@ -1,89 +1,89 @@ -// -// Copyright(c) 2015 Gabi Melman. -// Distributed under the MIT License (http://opensource.org/licenses/MIT) -// - -#pragma once - -// Async Logger implementation -// Use an async_sink (queue per logger) to perform the logging in a worker thread - -#include -#include - -#include -#include -#include -#include - -template -inline spdlog::async_logger::async_logger(const std::string& logger_name, - const It& begin, - const It& end, - size_t queue_size, - const async_overflow_policy overflow_policy, - const std::function& worker_warmup_cb, - const std::chrono::milliseconds& flush_interval_ms, - const std::function& worker_teardown_cb) : - logger(logger_name, begin, end), - _async_log_helper(new details::async_log_helper(_formatter, _sinks, queue_size, _err_handler, overflow_policy, worker_warmup_cb, flush_interval_ms, worker_teardown_cb)) -{ -} - -inline spdlog::async_logger::async_logger(const std::string& logger_name, - sinks_init_list sinks, - size_t queue_size, - const async_overflow_policy overflow_policy, - const std::function& worker_warmup_cb, - const std::chrono::milliseconds& flush_interval_ms, - const std::function& worker_teardown_cb) : - async_logger(logger_name, sinks.begin(), sinks.end(), queue_size, overflow_policy, worker_warmup_cb, flush_interval_ms, worker_teardown_cb) {} - -inline spdlog::async_logger::async_logger(const std::string& logger_name, - sink_ptr single_sink, - size_t queue_size, - const async_overflow_policy overflow_policy, - const std::function& worker_warmup_cb, - const std::chrono::milliseconds& flush_interval_ms, - const std::function& worker_teardown_cb) : - async_logger(logger_name, -{ - single_sink -}, queue_size, overflow_policy, worker_warmup_cb, flush_interval_ms, worker_teardown_cb) {} - - -inline void spdlog::async_logger::flush() -{ - _async_log_helper->flush(); -} - -inline void spdlog::async_logger::_set_formatter(spdlog::formatter_ptr msg_formatter) -{ - _formatter = msg_formatter; - _async_log_helper->set_formatter(_formatter); -} - -inline void spdlog::async_logger::_set_pattern(const std::string& pattern) -{ - _formatter = std::make_shared(pattern); - _async_log_helper->set_formatter(_formatter); -} - - -inline void spdlog::async_logger::_sink_it(details::log_msg& msg) -{ - try - { - _async_log_helper->log(msg); - if (_should_flush_on(msg)) - flush(); - } - catch (const std::exception &ex) - { - _err_handler(ex.what()); - } - catch (...) - { - _err_handler("Unknown exception"); - } -} +// +// Copyright(c) 2015 Gabi Melman. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) +// + +#pragma once + +// Async Logger implementation +// Use an async_sink (queue per logger) to perform the logging in a worker thread + +#include +#include + +#include +#include +#include +#include + +template +inline spdlog::async_logger::async_logger(const std::string& logger_name, + const It& begin, + const It& end, + size_t queue_size, + const async_overflow_policy overflow_policy, + const std::function& worker_warmup_cb, + const std::chrono::milliseconds& flush_interval_ms, + const std::function& worker_teardown_cb) : + logger(logger_name, begin, end), + _async_log_helper(new details::async_log_helper(_formatter, _sinks, queue_size, _err_handler, overflow_policy, worker_warmup_cb, flush_interval_ms, worker_teardown_cb)) +{ +} + +inline spdlog::async_logger::async_logger(const std::string& logger_name, + sinks_init_list sinks, + size_t queue_size, + const async_overflow_policy overflow_policy, + const std::function& worker_warmup_cb, + const std::chrono::milliseconds& flush_interval_ms, + const std::function& worker_teardown_cb) : + async_logger(logger_name, sinks.begin(), sinks.end(), queue_size, overflow_policy, worker_warmup_cb, flush_interval_ms, worker_teardown_cb) {} + +inline spdlog::async_logger::async_logger(const std::string& logger_name, + sink_ptr single_sink, + size_t queue_size, + const async_overflow_policy overflow_policy, + const std::function& worker_warmup_cb, + const std::chrono::milliseconds& flush_interval_ms, + const std::function& worker_teardown_cb) : + async_logger(logger_name, +{ + single_sink +}, queue_size, overflow_policy, worker_warmup_cb, flush_interval_ms, worker_teardown_cb) {} + + +inline void spdlog::async_logger::flush() +{ + _async_log_helper->flush(); +} + +inline void spdlog::async_logger::_set_formatter(spdlog::formatter_ptr msg_formatter) +{ + _formatter = msg_formatter; + _async_log_helper->set_formatter(_formatter); +} + +inline void spdlog::async_logger::_set_pattern(const std::string& pattern) +{ + _formatter = std::make_shared(pattern); + _async_log_helper->set_formatter(_formatter); +} + + +inline void spdlog::async_logger::_sink_it(details::log_msg& msg) +{ + try + { + _async_log_helper->log(msg); + if (_should_flush_on(msg)) + flush(); + } + catch (const std::exception &ex) + { + _err_handler(ex.what()); + } + catch (...) + { + _err_handler("Unknown exception"); + } +} diff --git a/include/spdlog/details/logger_impl.h b/include/spdlog/details/logger_impl.h index 9031f2c1..ada8d8de 100644 --- a/include/spdlog/details/logger_impl.h +++ b/include/spdlog/details/logger_impl.h @@ -1,288 +1,288 @@ -// -// Copyright(c) 2015 Gabi Melman. -// Distributed under the MIT License (http://opensource.org/licenses/MIT) -// - -#pragma once - -#include -#include - -#include -#include - - -// create logger with given name, sinks and the default pattern formatter -// all other ctors will call this one -template -inline spdlog::logger::logger(const std::string& logger_name, const It& begin, const It& end): - _name(logger_name), - _sinks(begin, end), - _formatter(std::make_shared("%+")) -{ - _level = level::info; - _flush_level = level::off; - _last_err_time = 0; - _err_handler = [this](const std::string &msg) - { - this->_default_err_handler(msg); - }; -} - -// ctor with sinks as init list -inline spdlog::logger::logger(const std::string& logger_name, sinks_init_list sinks_list): - logger(logger_name, sinks_list.begin(), sinks_list.end()) -{} - - -// ctor with single sink -inline spdlog::logger::logger(const std::string& logger_name, spdlog::sink_ptr single_sink): - logger(logger_name, -{ - single_sink -}) -{} - - -inline spdlog::logger::~logger() = default; - - -inline void spdlog::logger::set_formatter(spdlog::formatter_ptr msg_formatter) -{ - _set_formatter(msg_formatter); -} - -inline void spdlog::logger::set_pattern(const std::string& pattern) -{ - _set_pattern(pattern); -} - - -template -inline void spdlog::logger::log(level::level_enum lvl, const char* fmt, const Args&... args) -{ - if (!should_log(lvl)) return; - - try - { - details::log_msg log_msg(&_name, lvl); - log_msg.raw.write(fmt, args...); - _sink_it(log_msg); - } - catch (const std::exception &ex) - { - _err_handler(ex.what()); - } - catch (...) - { - _err_handler("Unknown exception"); - } -} - -template -inline void spdlog::logger::log(level::level_enum lvl, const char* msg) -{ - if (!should_log(lvl)) return; - try - { - details::log_msg log_msg(&_name, lvl); - log_msg.raw << msg; - _sink_it(log_msg); - } - catch (const std::exception &ex) - { - _err_handler(ex.what()); - } - catch (...) - { - _err_handler("Unknown exception"); - } - -} - -template -inline void spdlog::logger::log(level::level_enum lvl, const T& msg) -{ - if (!should_log(lvl)) return; - try - { - details::log_msg log_msg(&_name, lvl); - log_msg.raw << msg; - _sink_it(log_msg); - } - catch (const std::exception &ex) - { - _err_handler(ex.what()); - } - catch (...) - { - _err_handler("Unknown exception"); - } -} - - -template -inline void spdlog::logger::trace(const char* fmt, const Args&... args) -{ - log(level::trace, fmt, args...); -} - -template -inline void spdlog::logger::debug(const char* fmt, const Args&... args) -{ - log(level::debug, fmt, args...); -} - -template -inline void spdlog::logger::info(const char* fmt, const Args&... args) -{ - log(level::info, fmt, args...); -} - - -template -inline void spdlog::logger::warn(const char* fmt, const Args&... args) -{ - log(level::warn, fmt, args...); -} - -template -inline void spdlog::logger::error(const char* fmt, const Args&... args) -{ - log(level::err, fmt, args...); -} - -template -inline void spdlog::logger::critical(const char* fmt, const Args&... args) -{ - log(level::critical, fmt, args...); -} - - -template -inline void spdlog::logger::trace(const T& msg) -{ - log(level::trace, msg); -} - -template -inline void spdlog::logger::debug(const T& msg) -{ - log(level::debug, msg); -} - - -template -inline void spdlog::logger::info(const T& msg) -{ - log(level::info, msg); -} - - -template -inline void spdlog::logger::warn(const T& msg) -{ - log(level::warn, msg); -} - -template -inline void spdlog::logger::error(const T& msg) -{ - log(level::err, msg); -} - -template -inline void spdlog::logger::critical(const T& msg) -{ - log(level::critical, msg); -} - - - - -// -// name and level -// -inline const std::string& spdlog::logger::name() const -{ - return _name; -} - -inline void spdlog::logger::set_level(spdlog::level::level_enum log_level) -{ - _level.store(log_level); -} - -inline void spdlog::logger::set_error_handler(spdlog::log_err_handler err_handler) -{ - _err_handler = err_handler; -} - -inline spdlog::log_err_handler spdlog::logger::error_handler() -{ - return _err_handler; -} - - -inline void spdlog::logger::flush_on(level::level_enum log_level) -{ - _flush_level.store(log_level); -} - -inline spdlog::level::level_enum spdlog::logger::level() const -{ - return static_cast(_level.load(std::memory_order_relaxed)); -} - -inline bool spdlog::logger::should_log(spdlog::level::level_enum msg_level) const -{ - return msg_level >= _level.load(std::memory_order_relaxed); -} - -// -// protected virtual called at end of each user log call (if enabled) by the line_logger -// -inline void spdlog::logger::_sink_it(details::log_msg& msg) -{ - _formatter->format(msg); - for (auto &sink : _sinks) - sink->log(msg); - - if(_should_flush_on(msg)) - flush(); -} - -inline void spdlog::logger::_set_pattern(const std::string& pattern) -{ - _formatter = std::make_shared(pattern); -} -inline void spdlog::logger::_set_formatter(formatter_ptr msg_formatter) -{ - _formatter = msg_formatter; -} - -inline void spdlog::logger::flush() -{ - for (auto& sink : _sinks) - sink->flush(); -} - -inline void spdlog::logger::_default_err_handler(const std::string &msg) -{ - auto now = time(nullptr); - if (now - _last_err_time < 60) - return; - auto tm_time = details::os::localtime(now); - char date_buf[100]; - std::strftime(date_buf, sizeof(date_buf), "%Y-%m-%d %H:%M:%S", &tm_time); - details::log_msg err_msg; - err_msg.formatted.write("[*** LOG ERROR ***] [{}] [{}] [{}]{}", name(), msg, date_buf, details::os::eol); - sinks::stderr_sink_mt::instance()->log(err_msg); - _last_err_time = now; -} - -inline bool spdlog::logger::_should_flush_on(const details::log_msg &msg) -{ - const auto flush_level = _flush_level.load(std::memory_order_relaxed); - return (msg.level >= flush_level) && (msg.level != level::off); -} +// +// Copyright(c) 2015 Gabi Melman. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) +// + +#pragma once + +#include +#include + +#include +#include + + +// create logger with given name, sinks and the default pattern formatter +// all other ctors will call this one +template +inline spdlog::logger::logger(const std::string& logger_name, const It& begin, const It& end): + _name(logger_name), + _sinks(begin, end), + _formatter(std::make_shared("%+")) +{ + _level = level::info; + _flush_level = level::off; + _last_err_time = 0; + _err_handler = [this](const std::string &msg) + { + this->_default_err_handler(msg); + }; +} + +// ctor with sinks as init list +inline spdlog::logger::logger(const std::string& logger_name, sinks_init_list sinks_list): + logger(logger_name, sinks_list.begin(), sinks_list.end()) +{} + + +// ctor with single sink +inline spdlog::logger::logger(const std::string& logger_name, spdlog::sink_ptr single_sink): + logger(logger_name, +{ + single_sink +}) +{} + + +inline spdlog::logger::~logger() = default; + + +inline void spdlog::logger::set_formatter(spdlog::formatter_ptr msg_formatter) +{ + _set_formatter(msg_formatter); +} + +inline void spdlog::logger::set_pattern(const std::string& pattern) +{ + _set_pattern(pattern); +} + + +template +inline void spdlog::logger::log(level::level_enum lvl, const char* fmt, const Args&... args) +{ + if (!should_log(lvl)) return; + + try + { + details::log_msg log_msg(&_name, lvl); + log_msg.raw.write(fmt, args...); + _sink_it(log_msg); + } + catch (const std::exception &ex) + { + _err_handler(ex.what()); + } + catch (...) + { + _err_handler("Unknown exception"); + } +} + +template +inline void spdlog::logger::log(level::level_enum lvl, const char* msg) +{ + if (!should_log(lvl)) return; + try + { + details::log_msg log_msg(&_name, lvl); + log_msg.raw << msg; + _sink_it(log_msg); + } + catch (const std::exception &ex) + { + _err_handler(ex.what()); + } + catch (...) + { + _err_handler("Unknown exception"); + } + +} + +template +inline void spdlog::logger::log(level::level_enum lvl, const T& msg) +{ + if (!should_log(lvl)) return; + try + { + details::log_msg log_msg(&_name, lvl); + log_msg.raw << msg; + _sink_it(log_msg); + } + catch (const std::exception &ex) + { + _err_handler(ex.what()); + } + catch (...) + { + _err_handler("Unknown exception"); + } +} + + +template +inline void spdlog::logger::trace(const char* fmt, const Args&... args) +{ + log(level::trace, fmt, args...); +} + +template +inline void spdlog::logger::debug(const char* fmt, const Args&... args) +{ + log(level::debug, fmt, args...); +} + +template +inline void spdlog::logger::info(const char* fmt, const Args&... args) +{ + log(level::info, fmt, args...); +} + + +template +inline void spdlog::logger::warn(const char* fmt, const Args&... args) +{ + log(level::warn, fmt, args...); +} + +template +inline void spdlog::logger::error(const char* fmt, const Args&... args) +{ + log(level::err, fmt, args...); +} + +template +inline void spdlog::logger::critical(const char* fmt, const Args&... args) +{ + log(level::critical, fmt, args...); +} + + +template +inline void spdlog::logger::trace(const T& msg) +{ + log(level::trace, msg); +} + +template +inline void spdlog::logger::debug(const T& msg) +{ + log(level::debug, msg); +} + + +template +inline void spdlog::logger::info(const T& msg) +{ + log(level::info, msg); +} + + +template +inline void spdlog::logger::warn(const T& msg) +{ + log(level::warn, msg); +} + +template +inline void spdlog::logger::error(const T& msg) +{ + log(level::err, msg); +} + +template +inline void spdlog::logger::critical(const T& msg) +{ + log(level::critical, msg); +} + + + + +// +// name and level +// +inline const std::string& spdlog::logger::name() const +{ + return _name; +} + +inline void spdlog::logger::set_level(spdlog::level::level_enum log_level) +{ + _level.store(log_level); +} + +inline void spdlog::logger::set_error_handler(spdlog::log_err_handler err_handler) +{ + _err_handler = err_handler; +} + +inline spdlog::log_err_handler spdlog::logger::error_handler() +{ + return _err_handler; +} + + +inline void spdlog::logger::flush_on(level::level_enum log_level) +{ + _flush_level.store(log_level); +} + +inline spdlog::level::level_enum spdlog::logger::level() const +{ + return static_cast(_level.load(std::memory_order_relaxed)); +} + +inline bool spdlog::logger::should_log(spdlog::level::level_enum msg_level) const +{ + return msg_level >= _level.load(std::memory_order_relaxed); +} + +// +// protected virtual called at end of each user log call (if enabled) by the line_logger +// +inline void spdlog::logger::_sink_it(details::log_msg& msg) +{ + _formatter->format(msg); + for (auto &sink : _sinks) + sink->log(msg); + + if(_should_flush_on(msg)) + flush(); +} + +inline void spdlog::logger::_set_pattern(const std::string& pattern) +{ + _formatter = std::make_shared(pattern); +} +inline void spdlog::logger::_set_formatter(formatter_ptr msg_formatter) +{ + _formatter = msg_formatter; +} + +inline void spdlog::logger::flush() +{ + for (auto& sink : _sinks) + sink->flush(); +} + +inline void spdlog::logger::_default_err_handler(const std::string &msg) +{ + auto now = time(nullptr); + if (now - _last_err_time < 60) + return; + auto tm_time = details::os::localtime(now); + char date_buf[100]; + std::strftime(date_buf, sizeof(date_buf), "%Y-%m-%d %H:%M:%S", &tm_time); + details::log_msg err_msg; + err_msg.formatted.write("[*** LOG ERROR ***] [{}] [{}] [{}]{}", name(), msg, date_buf, details::os::eol); + sinks::stderr_sink_mt::instance()->log(err_msg); + _last_err_time = now; +} + +inline bool spdlog::logger::_should_flush_on(const details::log_msg &msg) +{ + const auto flush_level = _flush_level.load(std::memory_order_relaxed); + return (msg.level >= flush_level) && (msg.level != level::off); +} diff --git a/include/spdlog/logger.h b/include/spdlog/logger.h index 7587f8a3..e998999e 100644 --- a/include/spdlog/logger.h +++ b/include/spdlog/logger.h @@ -1,94 +1,94 @@ -// -// Copyright(c) 2015 Gabi Melman. -// Distributed under the MIT License (http://opensource.org/licenses/MIT) -// - -#pragma once - -// Thread safe logger -// 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 -#include - -#include -#include -#include - -namespace spdlog -{ - -class logger -{ -public: - logger(const std::string& logger_name, sink_ptr single_sink); - logger(const std::string& name, sinks_init_list); - template - logger(const std::string& name, const It& begin, const It& end); - - virtual ~logger(); - logger(const logger&) = delete; - logger& operator=(const logger&) = delete; - - - template void log(level::level_enum lvl, const char* fmt, const Args&... args); - template void log(level::level_enum lvl, const char* msg); - template void trace(const char* fmt, const Args&... args); - template void debug(const char* fmt, const Args&... args); - template void info(const char* fmt, const Args&... args); - template void warn(const char* fmt, const Args&... args); - template void error(const char* fmt, const Args&... args); - template void critical(const char* fmt, const Args&... args); - - template void log(level::level_enum lvl, const T&); - template void trace(const T&); - template void debug(const T&); - template void info(const T&); - template void warn(const T&); - template void error(const T&); - template 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&); - void set_formatter(formatter_ptr); - - // error handler - void set_error_handler(log_err_handler); - log_err_handler error_handler(); - - // automatically call flush() if message level >= log_level - void flush_on(level::level_enum log_level); - - virtual void flush(); - -protected: - virtual void _sink_it(details::log_msg&); - virtual void _set_pattern(const std::string&); - 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&); - - const std::string _name; - std::vector _sinks; - formatter_ptr _formatter; - spdlog::level_t _level; - spdlog::level_t _flush_level; - log_err_handler _err_handler; - std::atomic _last_err_time; -}; -} - -#include - - +// +// Copyright(c) 2015 Gabi Melman. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) +// + +#pragma once + +// Thread safe logger +// 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 +#include + +#include +#include +#include + +namespace spdlog +{ + +class logger +{ +public: + logger(const std::string& logger_name, sink_ptr single_sink); + logger(const std::string& name, sinks_init_list); + template + logger(const std::string& name, const It& begin, const It& end); + + virtual ~logger(); + logger(const logger&) = delete; + logger& operator=(const logger&) = delete; + + + template void log(level::level_enum lvl, const char* fmt, const Args&... args); + template void log(level::level_enum lvl, const char* msg); + template void trace(const char* fmt, const Args&... args); + template void debug(const char* fmt, const Args&... args); + template void info(const char* fmt, const Args&... args); + template void warn(const char* fmt, const Args&... args); + template void error(const char* fmt, const Args&... args); + template void critical(const char* fmt, const Args&... args); + + template void log(level::level_enum lvl, const T&); + template void trace(const T&); + template void debug(const T&); + template void info(const T&); + template void warn(const T&); + template void error(const T&); + template 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&); + void set_formatter(formatter_ptr); + + // error handler + void set_error_handler(log_err_handler); + log_err_handler error_handler(); + + // automatically call flush() if message level >= log_level + void flush_on(level::level_enum log_level); + + virtual void flush(); + +protected: + virtual void _sink_it(details::log_msg&); + virtual void _set_pattern(const std::string&); + 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&); + + const std::string _name; + std::vector _sinks; + formatter_ptr _formatter; + spdlog::level_t _level; + spdlog::level_t _flush_level; + log_err_handler _err_handler; + std::atomic _last_err_time; +}; +} + +#include + + diff --git a/tests/file_log.cpp b/tests/file_log.cpp index 4e55fcbc..bc5da728 100644 --- a/tests/file_log.cpp +++ b/tests/file_log.cpp @@ -26,7 +26,7 @@ TEST_CASE("rotating_file_logger1", "[rotating_logger]]") prepare_logdir(); std::string basename = "logs/rotating_log"; auto logger = spdlog::rotating_logger_mt("logger", basename, 1024, 0); - logger->flush_on(spdlog::level::info); + logger->flush_on(spdlog::level::info); for (int i = 0; i < 10; ++i) logger->info("Test message {}", i); @@ -70,7 +70,7 @@ TEST_CASE("daily_logger", "[daily_logger]]") w.write("{}_{:04d}-{:02d}-{:02d}_{:02d}-{:02d}.txt", basename, tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday, tm.tm_hour, tm.tm_min); auto logger = spdlog::daily_logger_mt("logger", basename, 0, 0); - logger->flush_on(spdlog::level::info); + logger->flush_on(spdlog::level::info); for (int i = 0; i < 10; ++i) logger->info("Test message {}", i);