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//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
// Async Logger implementation
// Use an async_sink (queue per logger) to perform the logging in a worker thread
#include "spdlog/details/async_log_helper.h"
#include "spdlog/async_logger.h"
#include <string>
#include <functional>
#include <chrono>
#include <memory>
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) :
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))
{
}
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,
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,
{
single_sink
}, queue_size, overflow_policy, worker_warmup_cb, flush_interval_ms, worker_teardown_cb) {}
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);
}
inline void spdlog::async_logger::_sink_it(details::log_msg& msg)
{
try
{
#if defined(SPDLOG_ENABLE_MESSAGE_COUNTER)
msg.msg_id = _msg_counter.fetch_add(1, std::memory_order_relaxed);
#endif
_async_log_helper->log(msg);
if (_should_flush_on(msg))
_async_log_helper->flush(false); // do async flush
}
catch (const std::exception &ex)
{
_err_handler(ex.what());
}
catch (...)
{
_err_handler("Unknown exception");
}
}
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