// // Copyright(c) 2015 Gabi Melman. // Distributed under the MIT License (http://opensource.org/licenses/MIT) // #pragma once #include <spdlog/common.h> #ifdef SPDLOG_ENABLE_SYSLOG #include <spdlog/sinks/sink.h> #include <spdlog/details/log_msg.h> #include <array> #include <string> #include <syslog.h> namespace spdlog { namespace sinks { /** * Sink that write to syslog using the `syscall()` library call. * * Locking is not needed, as `syslog()` itself is thread-safe. */ class syslog_sink : public sink { public: // syslog_sink(const std::string& ident = "", int syslog_option=0, int syslog_facility=LOG_USER): _ident(ident) { _priorities[static_cast<int>(level::trace)] = LOG_DEBUG; _priorities[static_cast<int>(level::debug)] = LOG_DEBUG; _priorities[static_cast<int>(level::info)] = LOG_INFO; _priorities[static_cast<int>(level::warn)] = LOG_WARNING; _priorities[static_cast<int>(level::err)] = LOG_ERR; _priorities[static_cast<int>(level::critical)] = LOG_CRIT; _priorities[static_cast<int>(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() { ::closelog(); } syslog_sink(const syslog_sink&) = delete; syslog_sink& operator=(const syslog_sink&) = delete; void log(const details::log_msg &msg) override { ::syslog(syslog_prio_from_level(msg), "%s", msg.raw.str().c_str()); } void flush() override { } 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<int>(msg.level)]; } }; } } #endif