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authorBobTheBob <32057864+BobTheBob9@users.noreply.github.com>2022-08-24 00:32:31 +0100
committerGitHub <noreply@github.com>2022-08-24 00:32:31 +0100
commitf9bc3c9d1834cb8bd5f872b749b057c33e8b0102 (patch)
treee96e2da0d95798dd42eddf644a82a74555db858f /NorthstarDLL/include/spdlog/sinks/systemd_sink.h
parent812893d8219daa60f5b5b7fd22cbd6b175603399 (diff)
downloadNorthstarLauncher-f9bc3c9d1834cb8bd5f872b749b057c33e8b0102.tar.gz
NorthstarLauncher-f9bc3c9d1834cb8bd5f872b749b057c33e8b0102.zip
Adjust folder structure (#242)
* Adjust folder structure * change launcher directory name
Diffstat (limited to 'NorthstarDLL/include/spdlog/sinks/systemd_sink.h')
-rw-r--r--NorthstarDLL/include/spdlog/sinks/systemd_sink.h103
1 files changed, 103 insertions, 0 deletions
diff --git a/NorthstarDLL/include/spdlog/sinks/systemd_sink.h b/NorthstarDLL/include/spdlog/sinks/systemd_sink.h
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--- /dev/null
+++ b/NorthstarDLL/include/spdlog/sinks/systemd_sink.h
@@ -0,0 +1,103 @@
+// Copyright(c) 2019 ZVYAGIN.Alexander@gmail.com
+// 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>
+#ifndef SD_JOURNAL_SUPPRESS_LOCATION
+#define SD_JOURNAL_SUPPRESS_LOCATION
+#endif
+#include <systemd/sd-journal.h>
+
+namespace spdlog {
+namespace sinks {
+
+/**
+ * Sink that write to systemd journal using the `sd_journal_send()` library call.
+ *
+ * Locking is not needed, as `sd_journal_send()` itself is thread-safe.
+ */
+template<typename Mutex>
+class systemd_sink : public base_sink<Mutex>
+{
+public:
+ //
+ systemd_sink()
+ : 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}}
+ {}
+
+ ~systemd_sink() override {}
+
+ systemd_sink(const systemd_sink &) = delete;
+ systemd_sink &operator=(const systemd_sink &) = delete;
+
+protected:
+ using levels_array = std::array<int, 7>;
+ levels_array syslog_levels_;
+
+ void sink_it_(const details::log_msg &msg) override
+ {
+ int err;
+
+ size_t length = msg.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());
+ }
+
+ // Do not send source location if not available
+ if (msg.source.empty())
+ {
+ // Note: function call inside '()' to avoid macro expansion
+ err = (sd_journal_send)("MESSAGE=%.*s", static_cast<int>(length), msg.payload.data(), "PRIORITY=%d", syslog_level(msg.level),
+ "SYSLOG_IDENTIFIER=%.*s", static_cast<int>(msg.logger_name.size()), msg.logger_name.data(), nullptr);
+ }
+ else
+ {
+ err = (sd_journal_send)("MESSAGE=%.*s", static_cast<int>(length), msg.payload.data(), "PRIORITY=%d", syslog_level(msg.level),
+ "SYSLOG_IDENTIFIER=%.*s", static_cast<int>(msg.logger_name.size()), msg.logger_name.data(), "CODE_FILE=%s",
+ msg.source.filename, "CODE_LINE=%d", msg.source.line, "CODE_FUNC=%s", msg.source.funcname, nullptr);
+ }
+
+ if (err)
+ {
+ throw_spdlog_ex("Failed writing to systemd", errno);
+ }
+ }
+
+ int syslog_level(level::level_enum l)
+ {
+ return syslog_levels_.at(static_cast<levels_array::size_type>(l));
+ }
+
+ void flush_() override {}
+};
+
+using systemd_sink_mt = systemd_sink<std::mutex>;
+using systemd_sink_st = systemd_sink<details::null_mutex>;
+} // namespace sinks
+
+// Create and register a syslog logger
+template<typename Factory = spdlog::synchronous_factory>
+inline std::shared_ptr<logger> systemd_logger_mt(const std::string &logger_name)
+{
+ return Factory::template create<sinks::systemd_sink_mt>(logger_name);
+}
+
+template<typename Factory = spdlog::synchronous_factory>
+inline std::shared_ptr<logger> systemd_logger_st(const std::string &logger_name)
+{
+ return Factory::template create<sinks::systemd_sink_st>(logger_name);
+}
+} // namespace spdlog