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thread_pool and refactoring async

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gabime
2018-04-14 03:34:57 +03:00
parent 5e08950ed2
commit 6f4cd8d397
18 changed files with 575 additions and 657 deletions
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133
include/spdlog/details/async_logger_impl.h
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@@ -5,71 +5,37 @@
#pragma once
// Async Logger implementation
// Use an async_sink (queue per logger) to perform the logging in a worker thread
// async logger implementation
// uses a thread pool to perform the actual logging
#include "../async_logger.h"
#include "../details/async_log_helper.h"
#include "../details/thread_pool.h"
#include <chrono>
#include <functional>
#include <memory>
#include <string>
template<class It>
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<void()> &worker_warmup_cb,
const std::chrono::milliseconds &flush_interval_ms, const std::function<void()> &worker_teardown_cb)
inline spdlog::async_logger::async_logger(const std::string &logger_name, const It &begin, const It &end,
std::weak_ptr<details::thread_pool> tp, async_overflow_policy overflow_policy)
: 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))
, _thread_pool(tp)
, _overflow_policy(overflow_policy)
{
}
inline spdlog::async_logger::async_logger(const std::string &logger_name, sinks_init_list sinks_list, size_t queue_size,
const async_overflow_policy overflow_policy, const std::function<void()> &worker_warmup_cb,
const std::chrono::milliseconds &flush_interval_ms, const std::function<void()> &worker_teardown_cb)
: async_logger(logger_name, sinks_list.begin(), sinks_list.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, sinks_init_list sinks_list,
std::weak_ptr<details::thread_pool> tp, async_overflow_policy overflow_policy)
: async_logger(logger_name, sinks_list.begin(), sinks_list.end(), tp, overflow_policy)
{
}
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<void()> &worker_warmup_cb,
const std::chrono::milliseconds &flush_interval_ms, const std::function<void()> &worker_teardown_cb)
: async_logger(
logger_name, {std::move(single_sink)}, 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, std::weak_ptr<details::thread_pool> tp, async_overflow_policy overflow_policy)
: async_logger(logger_name, {single_sink}, tp, overflow_policy)
{
}
inline void spdlog::async_logger::flush()
{
_async_log_helper->flush(true);
}
// Error handler
inline void spdlog::async_logger::set_error_handler(spdlog::log_err_handler err_handler)
{
_err_handler = err_handler;
_async_log_helper->set_error_handler(err_handler);
}
inline spdlog::log_err_handler spdlog::async_logger::error_handler()
{
return _err_handler;
}
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, pattern_time_type pattern_time)
{
_formatter = std::make_shared<pattern_formatter>(pattern, pattern_time);
_async_log_helper->set_formatter(_formatter);
}
// send the log message to the thread pool
inline void spdlog::async_logger::_sink_it(details::log_msg &msg)
{
try
@@ -77,10 +43,13 @@ inline void spdlog::async_logger::_sink_it(details::log_msg &msg)
#if defined(SPDLOG_ENABLE_MESSAGE_COUNTER)
_incr_msg_counter(msg);
#endif
_async_log_helper->log(msg);
if (_should_flush_on(msg))
if (auto pool_ptr = _thread_pool.lock())
{
_async_log_helper->flush(false); // do async flush
pool_ptr->post_log(shared_from_this(), std::move(msg), _overflow_policy);
}
else
{
throw spdlog_ex("async log: thread pool doens't exist anymore");
}
}
catch (const std::exception &ex)
@@ -89,7 +58,65 @@ inline void spdlog::async_logger::_sink_it(details::log_msg &msg)
}
catch (...)
{
_err_handler("Unknown exception in logger " + _name);
throw;
_err_handler("Unknown exception in async logger " + _name);
}
}
// 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 doens't exist anymore");
}
}
//
// backend functions - called from the thread pool to do the actual job
//
inline void spdlog::async_logger::_backend_log(details::log_msg &incoming_log_msg)
{
try
{
_formatter->format(incoming_log_msg);
for (auto &s : _sinks)
{
if (s->should_log(incoming_log_msg.level))
{
s->log(incoming_log_msg);
}
}
}
catch (const std::exception &ex)
{
_err_handler(ex.what());
}
catch (...)
{
_err_handler("Unknown exception in async logger " + _name);
}
}
inline void spdlog::async_logger::_backend_flush()
{
try
{
for (auto &sink : _sinks)
{
sink->flush();
}
}
catch (const std::exception &ex)
{
_err_handler(ex.what());
}
catch (...)
{
_err_handler("Unknown exception in async logger " + _name);
}
}