ClickHouse/libs/libloggers/loggers/OwnPatternFormatter.cpp

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#include "OwnPatternFormatter.h"
#include <functional>
#include <optional>
#include <IO/WriteBufferFromString.h>
#include <IO/WriteHelpers.h>
#include <Interpreters/InternalTextLogsQueue.h>
#include <sys/time.h>
#include <Common/CurrentThread.h>
#include <common/getThreadNumber.h>
#include "Loggers.h"
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OwnPatternFormatter::OwnPatternFormatter(const Loggers * loggers_, OwnPatternFormatter::Options options_)
: Poco::PatternFormatter(""), loggers(loggers_), options(options_)
{
}
void OwnPatternFormatter::formatExtended(const DB::ExtendedLogMessage & msg_ext, std::string & text)
{
DB::WriteBufferFromString wb(text);
const Poco::Message & msg = msg_ext.base;
/// For syslog: tag must be before message and first whitespace.
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/// This code is only used in Yandex.Metrika and unneeded in ClickHouse.
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if ((options & ADD_LAYER_TAG) && loggers)
{
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auto layer = loggers->getLayer();
if (layer)
{
writeCString("layer[", wb);
DB::writeIntText(*layer, wb);
writeCString("]: ", wb);
}
}
/// Change delimiters in date for compatibility with old logs.
DB::writeDateTimeText<'.', ':'>(msg_ext.time_seconds, wb);
DB::writeChar('.', wb);
DB::writeChar('0' + ((msg_ext.time_microseconds / 100000) % 10), wb);
DB::writeChar('0' + ((msg_ext.time_microseconds / 10000) % 10), wb);
DB::writeChar('0' + ((msg_ext.time_microseconds / 1000) % 10), wb);
DB::writeChar('0' + ((msg_ext.time_microseconds / 100) % 10), wb);
DB::writeChar('0' + ((msg_ext.time_microseconds / 10) % 10), wb);
DB::writeChar('0' + ((msg_ext.time_microseconds / 1) % 10), wb);
writeCString(" [ ", wb);
DB::writeIntText(msg_ext.thread_number, wb);
writeCString(" ] ", wb);
/// We write query_id even in case when it is empty (no query context)
/// just to be convenient for various log parsers.
writeCString("{", wb);
DB::writeString(msg_ext.query_id, wb);
writeCString("} ", wb);
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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);
}
void OwnPatternFormatter::format(const Poco::Message & msg, std::string & text)
{
formatExtended(DB::ExtendedLogMessage::getFrom(msg), text);
}