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contrib/pzstd/Logging.h
73 строки
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Yann Collet
try to fix the meson windows build
28 фев 2025, 02:45
28 фев 2025, 02:45
bbf2801
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/* * Copyright (c) Meta Platforms, Inc. and affiliates. * All rights reserved. * * This source code is licensed under both the BSD-style license (found in the * LICENSE file in the root directory of this source tree) and the GPLv2 (found * in the COPYING file in the root directory of this source tree). */ #pragma once #include <cstdio> #include <mutex> #include <chrono> namespace pzstd { constexpr int kLogError = 1; constexpr int kLogInfo = 2; constexpr int kLogDebug = 3; constexpr int kLogVerbose = 4; class Logger { std::mutex mutex_; FILE* out_; const int level_; using Clock = std::chrono::system_clock; Clock::time_point lastUpdate_; std::chrono::milliseconds refreshRate_; public: explicit Logger(int level, FILE* out = stderr) : out_(out), level_(level), lastUpdate_(Clock::now()), refreshRate_(150) {} bool logsAt(int level) { return level <= level_; } template <typename... Args> void operator()(int level, const char *fmt, Args... args) { if (level > level_) { return; } std::lock_guard<std::mutex> lock(mutex_); std::fprintf(out_, fmt, args...); } template <typename... Args> void update(int level, const char *fmt, Args... args) { if (level > level_) { return; } std::lock_guard<std::mutex> lock(mutex_); auto now = Clock::now(); if (now - lastUpdate_ > refreshRate_) { lastUpdate_ = now; std::fprintf(out_, "\r"); std::fprintf(out_, fmt, args...); } } void clear(int level) { if (level > level_) { return; } std::lock_guard<std::mutex> lock(mutex_); std::fprintf(out_, "\r%79s\r", ""); } }; }