ClickHouse/libs/libloggers/loggers/OwnSplitChannel.cpp
filimonov 526afd44ed Make SensitiveDataMasker a singleton. (#6810)
Among other things, it is used to filter logs, which are being written even after the global server context is deinitialized, so we can't keep masker there.
2019-09-06 20:48:27 +03:00

116 lines
3.2 KiB
C++

#include "OwnSplitChannel.h"
#include <iostream>
#include <Core/Block.h>
#include <Interpreters/InternalTextLogsQueue.h>
#include <Interpreters/TextLog.h>
#include <sys/time.h>
#include <Poco/Message.h>
#include <Common/CurrentThread.h>
#include <Common/DNSResolver.h>
#include <common/getThreadNumber.h>
#include <Common/SensitiveDataMasker.h>
namespace DB
{
void OwnSplitChannel::log(const Poco::Message & msg)
{
auto logs_queue = CurrentThread::getInternalTextLogsQueue();
if (channels.empty() && (logs_queue == nullptr || msg.getPriority() > logs_queue->max_priority))
return;
if (auto masker = SensitiveDataMasker::getInstance())
{
auto message_text = msg.getText();
auto matches = masker->wipeSensitiveData(message_text);
if (matches > 0)
{
logSplit({msg, message_text}); // we will continue with the copy of original message with text modified
return;
}
}
logSplit(msg);
}
void OwnSplitChannel::logSplit(const Poco::Message & msg)
{
ExtendedLogMessage msg_ext = ExtendedLogMessage::getFrom(msg);
/// Log data to child channels
for (auto & channel : channels)
{
if (channel.second)
channel.second->logExtended(msg_ext); // extended child
else
channel.first->log(msg); // ordinary child
}
auto logs_queue = CurrentThread::getInternalTextLogsQueue();
/// Log to "TCP queue" if message is not too noisy
if (logs_queue && msg.getPriority() <= logs_queue->max_priority)
{
MutableColumns columns = InternalTextLogsQueue::getSampleColumns();
size_t i = 0;
columns[i++]->insert(msg_ext.time_seconds);
columns[i++]->insert(msg_ext.time_microseconds);
columns[i++]->insert(DNSResolver::instance().getHostName());
columns[i++]->insert(msg_ext.query_id);
columns[i++]->insert(msg_ext.thread_number);
columns[i++]->insert(Int64(msg.getPriority()));
columns[i++]->insert(msg.getSource());
columns[i++]->insert(msg.getText());
logs_queue->emplace(std::move(columns));
}
/// Also log to system.text_log table
TextLogElement elem;
elem.event_time = msg_ext.time_seconds;
elem.microseconds = msg_ext.time_microseconds;
elem.thread_name = getThreadName();
elem.thread_number = msg_ext.thread_number;
if (CurrentThread::isInitialized())
elem.os_thread_id = CurrentThread::get().os_thread_id;
else
elem.os_thread_id = 0;
elem.query_id = msg_ext.query_id;
elem.message = msg.getText();
elem.logger_name = msg.getSource();
elem.level = msg.getPriority();
if (msg.getSourceFile() != nullptr)
elem.source_file = msg.getSourceFile();
elem.source_line = msg.getSourceLine();
std::lock_guard<std::mutex> lock(text_log_mutex);
if (auto log = text_log.lock())
log->add(elem);
}
void OwnSplitChannel::addChannel(Poco::AutoPtr<Poco::Channel> channel)
{
channels.emplace_back(std::move(channel), dynamic_cast<ExtendedLogChannel *>(channel.get()));
}
void OwnSplitChannel::addTextLog(std::shared_ptr<DB::TextLog> log)
{
std::lock_guard<std::mutex> lock(text_log_mutex);
text_log = log;
}
}