oxmox
208a78cc23
git-subtree-dir: external/spdlog git-subtree-split: ad0e89cbfb4d0c1ce4d097e134eb7be67baebb36
74 lines
2.1 KiB
C++
74 lines
2.1 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/circular_q.h"
|
|
#include "spdlog/details/log_msg_buffer.h"
|
|
#include "spdlog/details/null_mutex.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 n_items)
|
|
: q_{n_items}
|
|
{}
|
|
|
|
std::vector<details::log_msg_buffer> last_raw(size_t lim = 0)
|
|
{
|
|
std::lock_guard<Mutex> lock(base_sink<Mutex>::mutex_);
|
|
auto items_available = q_.size();
|
|
auto n_items = lim > 0 ? (std::min)(lim, items_available) : items_available;
|
|
std::vector<details::log_msg_buffer> ret;
|
|
ret.reserve(n_items);
|
|
for (size_t i = (items_available - n_items); i < items_available; i++)
|
|
{
|
|
ret.push_back(q_.at(i));
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
std::vector<std::string> last_formatted(size_t lim = 0)
|
|
{
|
|
std::lock_guard<Mutex> lock(base_sink<Mutex>::mutex_);
|
|
auto items_available = q_.size();
|
|
auto n_items = lim > 0 ? (std::min)(lim, items_available) : items_available;
|
|
std::vector<std::string> ret;
|
|
ret.reserve(n_items);
|
|
for (size_t i = (items_available - n_items); i < items_available; i++)
|
|
{
|
|
memory_buf_t formatted;
|
|
base_sink<Mutex>::formatter_->format(q_.at(i), formatted);
|
|
ret.push_back(std::move(SPDLOG_BUF_TO_STRING(formatted)));
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
protected:
|
|
void sink_it_(const details::log_msg &msg) override
|
|
{
|
|
q_.push_back(details::log_msg_buffer{msg});
|
|
}
|
|
void flush_() override {}
|
|
|
|
private:
|
|
details::circular_q<details::log_msg_buffer> q_;
|
|
};
|
|
|
|
using ringbuffer_sink_mt = ringbuffer_sink<std::mutex>;
|
|
using ringbuffer_sink_st = ringbuffer_sink<details::null_mutex>;
|
|
|
|
} // namespace sinks
|
|
|
|
} // namespace spdlog
|