ClickHouse/libs/libloggers/loggers/OwnSplitChannel.h
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

39 lines
1.1 KiB
C++

#pragma once
#include <atomic>
#include <vector>
#include <Poco/AutoPtr.h>
#include <Poco/Channel.h>
#include "ExtendedLogChannel.h"
#include <Interpreters/TextLog.h>
namespace DB
{
/// Works as Poco::SplitterChannel, but performs additional work:
/// passes logs to Client via TCP interface
/// tries to use extended logging interface of child for more comprehensive logging
class OwnSplitChannel : public Poco::Channel
{
public:
/// Makes an extended message from msg and passes it to the client logs queue and child (if possible)
void log(const Poco::Message & msg) override;
/// Adds a child channel
void addChannel(Poco::AutoPtr<Poco::Channel> channel);
void addTextLog(std::shared_ptr<DB::TextLog> log);
private:
void logSplit(const Poco::Message & msg);
using ChannelPtr = Poco::AutoPtr<Poco::Channel>;
/// Handler and its pointer casted to extended interface
using ExtendedChannelPtrPair = std::pair<ChannelPtr, ExtendedLogChannel *>;
std::vector<ExtendedChannelPtrPair> channels;
std::mutex text_log_mutex;
std::weak_ptr<DB::TextLog> text_log;
};
}