mirror of https://github.com/gabime/spdlog.git
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//
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// Copyright(c) 2019 ZVYAGIN.Alexander@gmail.com
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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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#ifndef SPDLOG_H
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#include "spdlog/spdlog.h"
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#endif
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#include "spdlog/sinks/base_sink.h"
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#include <array>
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#include <string>
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#include <systemd/sd-journal.h>
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namespace spdlog {
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namespace sinks {
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inline int syslog_level(level::level_enum l) {
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switch(l) {
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case level::off:
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case level::trace:
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case level::debug:
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return LOG_DEBUG;
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case level::info:
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return LOG_INFO;
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case level::warn:
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return LOG_WARNING;
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case level::err:
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return LOG_ERR;
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case level::critical:
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return LOG_CRIT;
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default:
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throw std::invalid_argument("systemd_sink.h syslog_level()");
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}
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}
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/**
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* Sink that write to systemd using the `sd_journal_print()` library call.
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*
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* Locking is not needed, as `sd_journal_print()` itself is thread-safe.
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*/
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template<typename Mutex>
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class systemd_sink : public base_sink<Mutex>
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{
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public:
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//
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explicit systemd_sink(void) {}
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~systemd_sink() override {}
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systemd_sink(const systemd_sink &) = delete;
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systemd_sink &operator=(const systemd_sink &) = delete;
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protected:
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void sink_it_(const details::log_msg &msg) override
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{
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if( sd_journal_print(
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syslog_level(msg.level),
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"%.*s",
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static_cast<int>(msg.payload.size()),
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msg.payload.data()
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)
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)
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throw spdlog_ex("Failed writing to systemd");
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}
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void flush_() override {}
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};
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using systemd_sink_mt = systemd_sink<std::mutex>;
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using systemd_sink_st = systemd_sink<details::null_mutex>;
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} // namespace sinks
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// Create and register a syslog logger
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template<typename Factory = default_factory>
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inline std::shared_ptr<logger> systemd_logger_mt(
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const std::string &logger_name)
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{
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return Factory::template create<sinks::systemd_sink_mt>(logger_name);
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}
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template<typename Factory = default_factory>
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inline std::shared_ptr<logger> systemd_logger_st(
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const std::string &logger_name)
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{
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return Factory::template create<sinks::systemd_sink_st>(logger_name);
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}
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} // namespace spdlog
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@ -0,0 +1,13 @@
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#include "includes.h"
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#include <spdlog/sinks/systemd_sink.h>
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TEST_CASE("systemd", "[all]")
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{
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auto systemd_sink = std::make_shared<spdlog::sinks::systemd_sink_st>();
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systemd_sink->set_level(spdlog::level::level_enum::err);
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spdlog::logger logger("spdlog_systemd_test", systemd_sink);
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logger.debug("test debug");
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logger.error("test error");
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logger.info("test info");
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}
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