Brendan LE GLAUNEC
77 lines
2.1 KiB
C++
77 lines
2.1 KiB
C++
//
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// Copyright(c) 2015 Gabi Melman.
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// Distributed under the MIT License (http://opensource.org/licenses/MIT)
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//
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#pragma once
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#ifdef __linux__
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#include <array>
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#include <string>
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#include <syslog.h>
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#include "./sink.h"
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#include "../common.h"
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#include "../details/log_msg.h"
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namespace spdlog {
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namespace sinks {
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/**
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* Sink that write to syslog using the `syscall()` library call.
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*
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* Locking is not needed, as `syslog()` itself is thread-safe.
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*/
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class syslog_sink : public sink {
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public:
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//
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syslog_sink(const std::string& ident = "",
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int syslog_option = 0,
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int syslog_facility = LOG_USER)
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: _ident(ident) {
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_priorities[static_cast<int>(level::trace)] = LOG_DEBUG;
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_priorities[static_cast<int>(level::debug)] = LOG_DEBUG;
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_priorities[static_cast<int>(level::info)] = LOG_INFO;
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_priorities[static_cast<int>(level::notice)] = LOG_NOTICE;
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_priorities[static_cast<int>(level::warn)] = LOG_WARNING;
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_priorities[static_cast<int>(level::err)] = LOG_ERR;
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_priorities[static_cast<int>(level::critical)] = LOG_CRIT;
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_priorities[static_cast<int>(level::alert)] = LOG_ALERT;
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_priorities[static_cast<int>(level::emerg)] = LOG_EMERG;
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_priorities[static_cast<int>(level::off)] = LOG_INFO;
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// set ident to be program name if empty
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::openlog(_ident.empty() ? nullptr : _ident.c_str(), syslog_option, syslog_facility);
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}
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~syslog_sink() { ::closelog(); }
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syslog_sink(const syslog_sink&) = delete;
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syslog_sink& operator=(const syslog_sink&) = delete;
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void
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log(const details::log_msg& msg) override {
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::syslog(syslog_prio_from_level(msg), "%s", msg.raw.str().c_str());
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}
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void
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flush() override {}
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private:
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std::array<int, 10> _priorities;
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// must store the ident because the man says openlog might use the pointer as is and not a
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// string copy
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const std::string _ident;
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//
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// Simply maps spdlog's log level to syslog priority level.
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//
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int
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syslog_prio_from_level(const details::log_msg& msg) const {
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return _priorities[static_cast<int>(msg.level)];
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}
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};
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}
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}
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#endif
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