78 lines
2.4 KiB
C++
78 lines
2.4 KiB
C++
// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
|
|
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
|
|
|
|
#pragma once
|
|
|
|
#include "spdlog/sinks/base_sink.h"
|
|
#include "spdlog/details/file_helper.h"
|
|
#include "spdlog/details/null_mutex.h"
|
|
#include "spdlog/details/synchronous_factory.h"
|
|
|
|
#include <chrono>
|
|
#include <mutex>
|
|
#include <string>
|
|
|
|
namespace spdlog {
|
|
namespace sinks {
|
|
|
|
//
|
|
// Rotating file sink based on size
|
|
//
|
|
template<typename Mutex>
|
|
class rotating_file_sink final : public base_sink<Mutex>
|
|
{
|
|
public:
|
|
rotating_file_sink(filename_t base_filename, std::size_t max_size, std::size_t max_files, bool rotate_on_open = false);
|
|
static filename_t calc_filename(const filename_t &filename, std::size_t index);
|
|
const filename_t &filename() const;
|
|
|
|
protected:
|
|
void sink_it_(const details::log_msg &msg) override;
|
|
void flush_() override;
|
|
|
|
private:
|
|
// Rotate files:
|
|
// log.txt -> log.1.txt
|
|
// log.1.txt -> log.2.txt
|
|
// log.2.txt -> log.3.txt
|
|
// log.3.txt -> delete
|
|
void rotate_();
|
|
|
|
// delete the target if exists, and rename the src file to target
|
|
// return true on success, false otherwise.
|
|
bool rename_file(const filename_t &src_filename, const filename_t &target_filename);
|
|
|
|
filename_t base_filename_;
|
|
std::size_t max_size_;
|
|
std::size_t max_files_;
|
|
std::size_t current_size_;
|
|
details::file_helper file_helper_;
|
|
};
|
|
|
|
using rotating_file_sink_mt = rotating_file_sink<std::mutex>;
|
|
using rotating_file_sink_st = rotating_file_sink<details::null_mutex>;
|
|
|
|
} // namespace sinks
|
|
|
|
//
|
|
// factory functions
|
|
//
|
|
|
|
template<typename Factory = spdlog::synchronous_factory>
|
|
inline std::shared_ptr<logger> rotating_logger_mt(
|
|
const std::string &logger_name, const filename_t &filename, size_t max_file_size, size_t max_files, bool rotate_on_open = false)
|
|
{
|
|
return Factory::template create<sinks::rotating_file_sink_mt>(logger_name, filename, max_file_size, max_files, rotate_on_open);
|
|
}
|
|
|
|
template<typename Factory = spdlog::synchronous_factory>
|
|
inline std::shared_ptr<logger> rotating_logger_st(
|
|
const std::string &logger_name, const filename_t &filename, size_t max_file_size, size_t max_files, bool rotate_on_open = false)
|
|
{
|
|
return Factory::template create<sinks::rotating_file_sink_st>(logger_name, filename, max_file_size, max_files, rotate_on_open);
|
|
}
|
|
} // namespace spdlog
|
|
|
|
#ifdef SPDLOG_HEADER_ONLY
|
|
#include "rotating_file_sink-inl.h"
|
|
#endif |