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Add option to enable formatting of systemd sink

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This commit is contained in:
Delgan 2022-03-27 11:31:49 +02:00
parent a49456f7f2
commit 3c1ee54112
1 changed files with 22 additions and 12 deletions
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34
include/spdlog/sinks/systemd_sink.h
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@ -18,16 +18,14 @@ 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,
explicit systemd_sink(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,
@ -42,14 +40,26 @@ public:
systemd_sink &operator=(const systemd_sink &) = delete;
protected:
bool enable_formatting_ = false;
using levels_array = std::array<int, 7>;
levels_array syslog_levels_;
void sink_it_(const details::log_msg &msg) override
{
int err;
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 = msg.payload.size();
size_t length = payload.size();
// limit to max int
if (length > static_cast<size_t>(std::numeric_limits<int>::max()))
{
@ -60,12 +70,12 @@ protected:
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),
err = (sd_journal_send)("MESSAGE=%.*s", static_cast<int>(length), 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),
err = (sd_journal_send)("MESSAGE=%.*s", static_cast<int>(length), 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);
}
@ -90,14 +100,14 @@ using systemd_sink_st = systemd_sink<details::null_mutex>;
// 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)
inline std::shared_ptr<logger> systemd_logger_mt(const std::string &logger_name, bool enable_formatting = false)
{
return Factory::template create<sinks::systemd_sink_mt>(logger_name);
return Factory::template create<sinks::systemd_sink_mt>(logger_name, enable_formatting);
}
template<typename Factory = spdlog::synchronous_factory>
inline std::shared_ptr<logger> systemd_logger_st(const std::string &logger_name)
inline std::shared_ptr<logger> systemd_logger_st(const std::string &logger_name, bool enable_formatting = false)
{
return Factory::template create<sinks::systemd_sink_st>(logger_name);
return Factory::template create<sinks::systemd_sink_st>(logger_name, enable_formatting);
}
} // namespace spdlog