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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
commit | 19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch) | |
tree | 42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/zstd/contrib/pzstd/Logging.h | |
parent | Initial commit. (diff) | |
download | ceph-6d07fdb6bb33b1af39833b850bb6cf8af79fe293.tar.xz ceph-6d07fdb6bb33b1af39833b850bb6cf8af79fe293.zip |
Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/zstd/contrib/pzstd/Logging.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/src/zstd/contrib/pzstd/Logging.h b/src/zstd/contrib/pzstd/Logging.h new file mode 100644 index 000000000..16a63932c --- /dev/null +++ b/src/zstd/contrib/pzstd/Logging.h @@ -0,0 +1,72 @@ +/* + * Copyright (c) 2016-present, Facebook, Inc. + * 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> + +namespace pzstd { + +constexpr int ERROR = 1; +constexpr int INFO = 2; +constexpr int DEBUG = 3; +constexpr int VERBOSE = 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", ""); + } +}; + +} |