mirror of https://github.com/gabime/spdlog.git
New async_logger class and API
gabi
11 years ago
parent
e88a46691a
commit
4cb6aa90b2
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/*************************************************************************/
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/* spdlog - an extremely fast and easy to use c++11 logging library. */
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/* Copyright (c) 2014 Gabi Melman. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#pragma once
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// Async logger
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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. Push a new copy of the message to a queue (uses sinks::async_sink for this)
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#include <chrono>
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#include "common.h"
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#include "logger.h"
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namespace spdlog
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{
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namespace sinks {
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class async_sink;
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}
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class async_logger :public logger
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{
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public:
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template<class It>
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async_logger(const std::string& name, const It& begin, const It& end, size_t queue_size, const log_clock::duration& shutdown_duration);
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async_logger(const std::string& logger_name, sinks_init_list sinks, size_t queue_size, const log_clock::duration& shutdown_duration);
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async_logger(const std::string& logger_name, sink_ptr single_sink, size_t queue_size, const log_clock::duration& shutdown_duration);
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protected:
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void _log_msg(details::log_msg& msg) override;
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void _set_formatter(spdlog::formatter_ptr msg_formatter) override;
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void _set_pattern(const std::string& pattern) override;
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void _stop() override;
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private:
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std::unique_ptr<sinks::async_sink> _as;
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log_clock::duration _shutdown_duration;
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};
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}
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#include "./details/async_logger_impl.h"
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@ -0,0 +1,78 @@
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/*************************************************************************/
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/* spdlog - an extremely fast and easy to use c++11 logging library. */
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/* Copyright (c) 2014 Gabi Melman. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#pragma once
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#include <memory>
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#include "../sinks/async_sink.h"
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//
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// Async Logger implementation
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// Use single async_sink (queue) to perform the logging in a worker thread
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//
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template<class It>
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inline spdlog::async_logger::async_logger(const std::string& name, const It& begin, const It& end, size_t queue_size, const log_clock::duration& shutdown_duration) :
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logger(name, begin, end),
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_shutdown_duration(shutdown_duration),
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_as(std::unique_ptr<sinks::async_sink>(new sinks::async_sink(queue_size)))
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{
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_as->set_formatter(_formatter);
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for (auto &s : _sinks)
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_as->add_sink(s);
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};
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inline spdlog::async_logger::async_logger(const std::string& logger_name, sinks_init_list sinks, size_t queue_size, const log_clock::duration& shutdown_duration) :
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async_logger(logger_name, sinks.begin(), sinks.end(), queue_size, shutdown_duration) {}
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inline spdlog::async_logger::async_logger(const std::string& logger_name, sink_ptr single_sink, size_t queue_size, const log_clock::duration& shutdown_duration) :
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async_logger(logger_name, { single_sink }, queue_size, shutdown_duration) {}
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inline void spdlog::async_logger::_log_msg(details::log_msg& msg)
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{
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_as->log(msg);
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}
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inline void spdlog::async_logger::_set_formatter(spdlog::formatter_ptr msg_formatter)
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{
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_formatter = msg_formatter;
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_as->set_formatter(_formatter);
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}
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inline void spdlog::async_logger::_set_pattern(const std::string& pattern)
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{
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_formatter = std::make_shared<pattern_formatter>(pattern);
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_as->set_formatter(_formatter);
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}
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inline void spdlog::async_logger::_stop()
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{
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set_level(level::OFF);
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_as->shutdown(_shutdown_duration);
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}
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