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-rw-r--r--NorthstarDedicatedTest/include/spdlog/sinks/syslog_sink.h109
1 files changed, 109 insertions, 0 deletions
diff --git a/NorthstarDedicatedTest/include/spdlog/sinks/syslog_sink.h b/NorthstarDedicatedTest/include/spdlog/sinks/syslog_sink.h
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index 00000000..7c38fcb5
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+++ b/NorthstarDedicatedTest/include/spdlog/sinks/syslog_sink.h
@@ -0,0 +1,109 @@
+// 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 <spdlog/details/synchronous_factory.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}
+ , syslog_levels_{{/* spdlog::level::trace */ LOG_DEBUG,
+ /* spdlog::level::debug */ LOG_DEBUG,
+ /* spdlog::level::info */ LOG_INFO,
+ /* spdlog::level::warn */ LOG_WARNING,
+ /* spdlog::level::err */ LOG_ERR,
+ /* spdlog::level::critical */ LOG_CRIT,
+ /* spdlog::level::off */ LOG_INFO}}
+ , ident_{std::move(ident)}
+ {
+ // 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;
+ memory_buf_t formatted;
+ if (enable_formatting_)
+ {
+ base_sink<Mutex>::formatter_->format(msg, formatted);
+ payload = string_view_t(formatted.data(), formatted.size());
+ }
+ else
+ {
+ payload = msg.payload;
+ }
+
+ size_t length = payload.size();
+ // limit to max int
+ if (length > static_cast<size_t>(std::numeric_limits<int>::max()))
+ {
+ length = static_cast<size_t>(std::numeric_limits<int>::max());
+ }
+
+ ::syslog(syslog_prio_from_level(msg), "%.*s", static_cast<int>(length), payload.data());
+ }
+
+ void flush_() override {}
+ bool enable_formatting_ = false;
+
+private:
+ using levels_array = std::array<int, 7>;
+ levels_array syslog_levels_;
+ // 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 syslog_levels_.at(static_cast<levels_array::size_type>(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 = spdlog::synchronous_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 = spdlog::synchronous_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