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spdlog/include/spdlog/sinks/ringbuffer_sink.h

61 lines
1.5 KiB
C++

// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#include "spdlog/details/null_mutex.h"
#include "spdlog/sinks/base_sink.h"
#include "spdlog/details/synchronous_factory.h"
#include "spdlog/details/circular_q.h"
#include "spdlog/details/log_msg_buffer.h"
#include <mutex>
#include <string>
#include <vector>
namespace spdlog {
namespace sinks {
/*
* Ring buffer sink
*/
template<typename Mutex>
class ringbuffer_sink final : public base_sink<Mutex>
{
public:
explicit ringbuffer_sink(size_t buf_size);
std::vector<std::string> last(size_t lim=0);
protected:
void sink_it_(const details::log_msg &msg) override;
void flush_() override {};
private:
details::circular_q<details::log_msg_buffer> buf_;
};
using ringbuffer_sink_mt = ringbuffer_sink<std::mutex>;
using ringbuffer_sink_st = ringbuffer_sink<details::null_mutex>;
} // namespace sinks
//
// factory functions
//
template<typename Factory = spdlog::synchronous_factory>
inline std::shared_ptr<logger> basic_logger_mt(const std::string &logger_name, size_t buf_size)
{
return Factory::template create<sinks::ringbuffer_sink_mt>(logger_name, buf_size);
}
template<typename Factory = spdlog::synchronous_factory>
inline std::shared_ptr<logger> basic_logger_st(const std::string &logger_name, size_t buf_size)
{
return Factory::template create<sinks::ringbuffer_sink_st>(logger_name, buf_size);
}
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
#include "ringbuffer_sink-inl.h"
#endif