84 lines
2.1 KiB
C
84 lines
2.1 KiB
C
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//
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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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{
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namespace sinks
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{
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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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{
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public:
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//
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syslog_sink(const std::string& ident = "", int syslog_option=0, int syslog_facility=LOG_USER):
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_ident(ident)
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{
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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()
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{
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::closelog();
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}
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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 log(const details::log_msg &msg) override
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{
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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 flush() override
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{
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}
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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 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 syslog_prio_from_level(const details::log_msg &msg) const
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{
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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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