1// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
2// Distributed under the MIT License (http://opensource.org/licenses/MIT)
3
4#pragma once
5
6#ifndef SPDLOG_HEADER_ONLY
7# include <spdlog/async_logger.h>
8#endif
9
10#include <spdlog/sinks/sink.h>
11#include <spdlog/details/thread_pool.h>
12
13#include <memory>
14#include <string>
15
16SPDLOG_INLINE spdlog::async_logger::async_logger(
17 std::string logger_name, sinks_init_list sinks_list, std::weak_ptr<details::thread_pool> tp, async_overflow_policy overflow_policy)
18 : async_logger(std::move(logger_name), sinks_list.begin(), sinks_list.end(), std::move(tp), overflow_policy)
19{}
20
21SPDLOG_INLINE spdlog::async_logger::async_logger(
22 std::string logger_name, sink_ptr single_sink, std::weak_ptr<details::thread_pool> tp, async_overflow_policy overflow_policy)
23 : async_logger(std::move(logger_name), {std::move(single_sink)}, std::move(tp), overflow_policy)
24{}
25
26// send the log message to the thread pool
27SPDLOG_INLINE void spdlog::async_logger::sink_it_(const details::log_msg &msg)
28{
29 if (auto pool_ptr = thread_pool_.lock())
30 {
31 pool_ptr->post_log(shared_from_this(), msg, overflow_policy_);
32 }
33 else
34 {
35 throw_spdlog_ex("async log: thread pool doesn't exist anymore");
36 }
37}
38
39// send flush request to the thread pool
40SPDLOG_INLINE void spdlog::async_logger::flush_()
41{
42 if (auto pool_ptr = thread_pool_.lock())
43 {
44 pool_ptr->post_flush(shared_from_this(), overflow_policy_);
45 }
46 else
47 {
48 throw_spdlog_ex("async flush: thread pool doesn't exist anymore");
49 }
50}
51
52//
53// backend functions - called from the thread pool to do the actual job
54//
55SPDLOG_INLINE void spdlog::async_logger::backend_sink_it_(const details::log_msg &msg)
56{
57 for (auto &sink : sinks_)
58 {
59 if (sink->should_log(msg.level))
60 {
61 SPDLOG_TRY
62 {
63 sink->log(msg);
64 }
65 SPDLOG_LOGGER_CATCH(msg.source)
66 }
67 }
68
69 if (should_flush_(msg))
70 {
71 backend_flush_();
72 }
73}
74
75SPDLOG_INLINE void spdlog::async_logger::backend_flush_()
76{
77 for (auto &sink : sinks_)
78 {
79 SPDLOG_TRY
80 {
81 sink->flush();
82 }
83 SPDLOG_LOGGER_CATCH(source_loc())
84 }
85}
86
87SPDLOG_INLINE std::shared_ptr<spdlog::logger> spdlog::async_logger::clone(std::string new_name)
88{
89 auto cloned = std::make_shared<spdlog::async_logger>(*this);
90 cloned->name_ = std::move(new_name);
91 return cloned;
92}
93