| // |
| // Copyright(c) 2015 Gabi Melman. |
| // Distributed under the MIT License (http://opensource.org/licenses/MIT) |
| // |
| |
| #pragma once |
| |
| // async logger implementation |
| // uses a thread pool to perform the actual logging |
| |
| #include "spdlog/details/thread_pool.h" |
| |
| #include <chrono> |
| #include <memory> |
| #include <string> |
| |
| template<typename It> |
| inline spdlog::async_logger::async_logger( |
| std::string logger_name, It begin, It end, std::weak_ptr<details::thread_pool> tp, async_overflow_policy overflow_policy) |
| : logger(std::move(logger_name), begin, end) |
| , thread_pool_(std::move(tp)) |
| , overflow_policy_(overflow_policy) |
| { |
| } |
| |
| inline spdlog::async_logger::async_logger( |
| std::string logger_name, sinks_init_list sinks_list, std::weak_ptr<details::thread_pool> tp, async_overflow_policy overflow_policy) |
| : async_logger(std::move(logger_name), sinks_list.begin(), sinks_list.end(), std::move(tp), overflow_policy) |
| { |
| } |
| |
| inline spdlog::async_logger::async_logger( |
| std::string logger_name, sink_ptr single_sink, std::weak_ptr<details::thread_pool> tp, async_overflow_policy overflow_policy) |
| : async_logger(std::move(logger_name), {std::move(single_sink)}, std::move(tp), overflow_policy) |
| { |
| } |
| |
| // send the log message to the thread pool |
| inline void spdlog::async_logger::sink_it_(details::log_msg &msg) |
| { |
| #if defined(SPDLOG_ENABLE_MESSAGE_COUNTER) |
| incr_msg_counter_(msg); |
| #endif |
| if (auto pool_ptr = thread_pool_.lock()) |
| { |
| pool_ptr->post_log(shared_from_this(), msg, overflow_policy_); |
| } |
| else |
| { |
| throw spdlog_ex("async log: thread pool doesn't exist anymore"); |
| } |
| } |
| |
| // send flush request to the thread pool |
| inline void spdlog::async_logger::flush_() |
| { |
| if (auto pool_ptr = thread_pool_.lock()) |
| { |
| pool_ptr->post_flush(shared_from_this(), overflow_policy_); |
| } |
| else |
| { |
| throw spdlog_ex("async flush: thread pool doesn't exist anymore"); |
| } |
| } |
| |
| // |
| // backend functions - called from the thread pool to do the actual job |
| // |
| inline void spdlog::async_logger::backend_log_(const details::log_msg &incoming_log_msg) |
| { |
| try |
| { |
| for (auto &s : sinks_) |
| { |
| if (s->should_log(incoming_log_msg.level)) |
| { |
| s->log(incoming_log_msg); |
| } |
| } |
| } |
| SPDLOG_CATCH_AND_HANDLE |
| |
| if (should_flush_(incoming_log_msg)) |
| { |
| backend_flush_(); |
| } |
| } |
| |
| inline void spdlog::async_logger::backend_flush_() |
| { |
| try |
| { |
| for (auto &sink : sinks_) |
| { |
| sink->flush(); |
| } |
| } |
| SPDLOG_CATCH_AND_HANDLE |
| } |
| |
| inline std::shared_ptr<spdlog::logger> spdlog::async_logger::clone(std::string new_name) |
| { |
| auto cloned = std::make_shared<spdlog::async_logger>(std::move(new_name), sinks_.begin(), sinks_.end(), thread_pool_, overflow_policy_); |
| |
| cloned->set_level(this->level()); |
| cloned->flush_on(this->flush_level()); |
| cloned->set_error_handler(this->error_handler()); |
| return std::move(cloned); |
| } |