mirror of
https://github.com/gabime/spdlog.git
synced 2025-03-31 10:22:41 +08:00
103 lines
3.3 KiB
C++
103 lines
3.3 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/null_mutex.h"
|
|
|
|
#include <array>
|
|
#include <string>
|
|
#include <syslog.h>
|
|
|
|
namespace spdlog {
|
|
namespace sinks {
|
|
/**
|
|
* Sink that write to syslog using the `syscall()` library call.
|
|
*/
|
|
template<typename Mutex>
|
|
class syslog_sink : public base_sink<Mutex>
|
|
{
|
|
|
|
public:
|
|
syslog_sink(std::string ident, int syslog_option, int syslog_facility, bool enable_formatting)
|
|
: enable_formatting_{enable_formatting}
|
|
, ident_{std::move(ident)}
|
|
{
|
|
priorities_[static_cast<size_t>(level::trace)] = LOG_DEBUG;
|
|
priorities_[static_cast<size_t>(level::debug)] = LOG_DEBUG;
|
|
priorities_[static_cast<size_t>(level::info)] = LOG_INFO;
|
|
priorities_[static_cast<size_t>(level::warn)] = LOG_WARNING;
|
|
priorities_[static_cast<size_t>(level::err)] = LOG_ERR;
|
|
priorities_[static_cast<size_t>(level::critical)] = LOG_CRIT;
|
|
priorities_[static_cast<size_t>(level::off)] = LOG_INFO;
|
|
|
|
// set ident to be program name if empty
|
|
::openlog(ident_.empty() ? nullptr : ident_.c_str(), syslog_option, syslog_facility);
|
|
}
|
|
|
|
~syslog_sink() override
|
|
{
|
|
::closelog();
|
|
}
|
|
|
|
syslog_sink(const syslog_sink &) = delete;
|
|
syslog_sink &operator=(const syslog_sink &) = delete;
|
|
|
|
protected:
|
|
void sink_it_(const details::log_msg &msg) override
|
|
{
|
|
string_view_t payload;
|
|
|
|
if (enable_formatting_)
|
|
{
|
|
fmt::memory_buffer formatted;
|
|
sink::formatter_->format(msg, formatted);
|
|
payload = string_view_t(formatted.data(), formatted.size());
|
|
}
|
|
else
|
|
{
|
|
payload = msg.payload;
|
|
}
|
|
|
|
::syslog(syslog_prio_from_level(msg), "%s", payload.data());
|
|
}
|
|
|
|
void flush_() override {}
|
|
bool enable_formatting_ = false;
|
|
|
|
private:
|
|
std::array<int, 7> priorities_;
|
|
// must store the ident because the man says openlog might use the pointer as
|
|
// is and not a string copy
|
|
const std::string ident_;
|
|
|
|
//
|
|
// Simply maps spdlog's log level to syslog priority level.
|
|
//
|
|
int syslog_prio_from_level(const details::log_msg &msg) const
|
|
{
|
|
return priorities_[static_cast<size_t>(msg.level)];
|
|
}
|
|
};
|
|
|
|
using syslog_sink_mt = syslog_sink<std::mutex>;
|
|
using syslog_sink_st = syslog_sink<details::null_mutex>;
|
|
} // namespace sinks
|
|
|
|
// Create and register a syslog logger
|
|
template<typename Factory = default_factory>
|
|
inline std::shared_ptr<logger> syslog_logger_mt(const std::string &logger_name, const std::string &syslog_ident = "", int syslog_option = 0,
|
|
int syslog_facility = LOG_USER, bool enable_formatting = false)
|
|
{
|
|
return Factory::template create<sinks::syslog_sink_mt>(logger_name, syslog_ident, syslog_option, syslog_facility, enable_formatting);
|
|
}
|
|
|
|
template<typename Factory = default_factory>
|
|
inline std::shared_ptr<logger> syslog_logger_st(const std::string &logger_name, const std::string &syslog_ident = "", int syslog_option = 0,
|
|
int syslog_facility = LOG_USER, bool enable_formatting = false)
|
|
{
|
|
return Factory::template create<sinks::syslog_sink_st>(logger_name, syslog_ident, syslog_option, syslog_facility, enable_formatting);
|
|
}
|
|
} // namespace spdlog
|