ClickHouse/libs/libdaemon/src/OwnPatternFormatter.cpp

53 lines
1.6 KiB
C++

#include <daemon/OwnPatternFormatter.h>
#include <functional>
#include <IO/WriteBufferFromString.h>
#include <IO/WriteHelpers.h>
#include <experimental/optional>
#include <sys/time.h>
#include <Poco/Ext/ThreadNumber.h>
#include <daemon/BaseDaemon.h>
void OwnPatternFormatter::format(const Poco::Message & msg, std::string & text)
{
DB::WriteBufferFromString wb(text);
/// For syslog: tag must be before message and first whitespace.
if (options & ADD_LAYER_TAG && daemon)
{
auto layer = daemon->getLayer();
if (layer)
{
writeCString("layer[", wb);
DB::writeIntText(*layer, wb);
writeCString("]: ", wb);
}
}
/// Output time with microsecond resolution.
timeval tv;
if (0 != gettimeofday(&tv, nullptr))
DB::throwFromErrno("Cannot gettimeofday");
/// Change delimiters in date for compatibility with old logs.
DB::writeDateTimeText<'.', ':'>(tv.tv_sec, wb);
DB::writeChar('.', wb);
DB::writeChar('0' + ((tv.tv_usec / 100000) % 10), wb);
DB::writeChar('0' + ((tv.tv_usec / 10000) % 10), wb);
DB::writeChar('0' + ((tv.tv_usec / 1000) % 10), wb);
DB::writeChar('0' + ((tv.tv_usec / 100) % 10), wb);
DB::writeChar('0' + ((tv.tv_usec / 10) % 10), wb);
DB::writeChar('0' + ((tv.tv_usec / 1) % 10), wb);
writeCString(" [ ", wb);
DB::writeIntText(Poco::ThreadNumber::get(), wb);
writeCString(" ] <", wb);
DB::writeString(getPriorityName(static_cast<int>(msg.getPriority())), wb);
writeCString("> ", wb);
DB::writeString(msg.getSource(), wb);
writeCString(": ", wb);
DB::writeString(msg.getText(), wb);
}