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89a4d886bf
Some code does not expect from the logger code to throw, and this can lead to the problems like: - marking distributed batch as broken (in StorageDistributedDirectoryMonitor) - some MergeTree code may also be affected. So instead of throwing the exception, it will be logged to the stderr (if it is possible).
41 lines
1.2 KiB
C++
41 lines
1.2 KiB
C++
#pragma once
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#include <atomic>
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#include <vector>
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#include <Poco/AutoPtr.h>
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#include <Poco/Channel.h>
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#include "ExtendedLogChannel.h"
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#include <Interpreters/TextLog.h>
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namespace DB
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{
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/// Works as Poco::SplitterChannel, but performs additional work:
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/// passes logs to Client via TCP interface
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/// tries to use extended logging interface of child for more comprehensive logging
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class OwnSplitChannel : public Poco::Channel
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{
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public:
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/// Makes an extended message from msg and passes it to the client logs queue and child (if possible)
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void log(const Poco::Message & msg) override;
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/// Adds a child channel
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void addChannel(Poco::AutoPtr<Poco::Channel> channel);
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void addTextLog(std::shared_ptr<DB::TextLog> log, int max_priority);
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private:
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void logSplit(const Poco::Message & msg);
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void tryLogSplit(const Poco::Message & msg);
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using ChannelPtr = Poco::AutoPtr<Poco::Channel>;
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/// Handler and its pointer casted to extended interface
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using ExtendedChannelPtrPair = std::pair<ChannelPtr, ExtendedLogChannel *>;
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std::vector<ExtendedChannelPtrPair> channels;
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std::mutex text_log_mutex;
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std::weak_ptr<DB::TextLog> text_log;
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std::atomic<int> text_log_max_priority = -1;
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};
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}
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