115 lines
3.1 KiB
C++
115 lines
3.1 KiB
C++
// Copyright(c) 2015-present Gabi Melman & spdlog contributors.
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// Distributed under the MIT License (http://opensource.org/licenses/MIT)
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#pragma once
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#include "spdlog/sinks/sink.h"
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#include "spdlog/details/thread_pool.h"
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#include <chrono>
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#include <memory>
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#include <string>
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template<typename It>
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SPDLOG_INLINE spdlog::async_logger::async_logger(
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std::string logger_name, It begin, It end, std::weak_ptr<details::thread_pool> tp, async_overflow_policy overflow_policy)
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: logger(std::move(logger_name), begin, end)
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, thread_pool_(std::move(tp))
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, overflow_policy_(overflow_policy)
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{}
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SPDLOG_INLINE spdlog::async_logger::async_logger(
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std::string logger_name, sinks_init_list sinks_list, std::weak_ptr<details::thread_pool> tp, async_overflow_policy overflow_policy)
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: async_logger(std::move(logger_name), sinks_list.begin(), sinks_list.end(), std::move(tp), overflow_policy)
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{}
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SPDLOG_INLINE spdlog::async_logger::async_logger(
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std::string logger_name, sink_ptr single_sink, std::weak_ptr<details::thread_pool> tp, async_overflow_policy overflow_policy)
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: async_logger(std::move(logger_name), {std::move(single_sink)}, std::move(tp), overflow_policy)
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{}
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// send the log message to the thread pool
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SPDLOG_INLINE void spdlog::async_logger::sink_it_(details::log_msg &msg)
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{
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if (auto pool_ptr = thread_pool_.lock())
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{
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pool_ptr->post_log(shared_from_this(), msg, overflow_policy_);
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}
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else
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{
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throw spdlog_ex("async log: thread pool doesn't exist anymore");
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}
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}
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// send flush request to the thread pool
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SPDLOG_INLINE void spdlog::async_logger::flush_()
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{
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if (auto pool_ptr = thread_pool_.lock())
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{
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pool_ptr->post_flush(shared_from_this(), overflow_policy_);
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}
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else
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{
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throw spdlog_ex("async flush: thread pool doesn't exist anymore");
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}
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}
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//
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// backend functions - called from the thread pool to do the actual job
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//
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SPDLOG_INLINE void spdlog::async_logger::backend_log_(const details::log_msg &incoming_log_msg)
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{
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try
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{
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for (auto &s : sinks_)
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{
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if (s->should_log(incoming_log_msg.level))
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{
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s->log(incoming_log_msg);
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}
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}
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}
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catch (const std::exception &ex)
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{
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err_handler_(ex.what());
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}
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catch (...)
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{
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err_handler_("Unknown exception in logger");
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}
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if (should_flush_(incoming_log_msg))
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{
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backend_flush_();
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}
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}
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SPDLOG_INLINE void spdlog::async_logger::backend_flush_()
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{
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try
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{
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for (auto &sink : sinks_)
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{
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sink->flush();
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}
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}
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catch (const std::exception &ex)
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{
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err_handler_(ex.what());
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}
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catch (...)
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{
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err_handler_("Unknown exception in logger");
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}
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}
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SPDLOG_INLINE std::shared_ptr<spdlog::logger> spdlog::async_logger::clone(std::string new_name)
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{
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auto cloned = std::make_shared<spdlog::async_logger>(std::move(new_name), sinks_.begin(), sinks_.end(), thread_pool_, overflow_policy_);
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cloned->set_level(this->level());
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cloned->flush_on(this->flush_level());
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cloned->set_error_handler(this->custom_err_handler_);
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return std::move(cloned);
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}
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