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library/cpp/logger/backend.h
30 строк
738 B
qkrorlqr
Initial NBS OpenSource export
28 апр 2023, 21:54
28 апр 2023, 21:54
783a858
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#pragma once #include "priority.h" #include <util/generic/noncopyable.h> #include <cstddef> struct TLogRecord; // NOTE: be aware that all `TLogBackend`s are registred in singleton. class TLogBackend: public TNonCopyable { public: TLogBackend() noexcept; virtual ~TLogBackend(); virtual void WriteData(const TLogRecord& rec) = 0; virtual void ReopenLog() = 0; // Does not guarantee consistency with previous WriteData() calls: // log entries could be written to the new (reopened) log file due to // buffering effects. virtual void ReopenLogNoFlush(); virtual ELogPriority FiltrationLevel() const; static void ReopenAllBackends(bool flush = true); virtual size_t QueueSize() const; };