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// Copyright (c) Meta Platforms, Inc. and its affiliates.
// All rights reserved.
//
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree.
#pragma once
#include <string>
#include <c10/macros/Macros.h>
#include <c10/util/Logging.h>
#include <fmt/format.h>
namespace c10d::detail {
enum class LogLevel { Trace, Debug, Info, Warning, Error };
TORCH_API bool isLogLevelEnabled(LogLevel level) noexcept;
template <typename... T>
std::string formatLogMessage(fmt::string_view fmt, T&&... args) {
return fmt::vformat(fmt, fmt::make_format_args(args...));
}
} // namespace c10d::detail
#define C10D_ERROR(...) \
if (c10d::detail::isLogLevelEnabled(c10d::detail::LogLevel::Error)) \
LOG(ERROR) << "[c10d] " << c10d::detail::formatLogMessage(__VA_ARGS__)
#define C10D_WARNING(...) \
if (c10d::detail::isLogLevelEnabled(c10d::detail::LogLevel::Warning)) \
LOG(WARNING) << "[c10d] " << c10d::detail::formatLogMessage(__VA_ARGS__)
#define C10D_INFO(...) \
if (c10d::detail::isLogLevelEnabled(c10d::detail::LogLevel::Info)) \
LOG(INFO) << "[c10d] " << c10d::detail::formatLogMessage(__VA_ARGS__)
#define C10D_DEBUG(...) \
if (c10d::detail::isLogLevelEnabled(c10d::detail::LogLevel::Debug)) \
LOG(INFO) << "[c10d - debug] " << c10d::detail::formatLogMessage(__VA_ARGS__)
#define C10D_TRACE(...) \
if (c10d::detail::isLogLevelEnabled(c10d::detail::LogLevel::Trace)) \
LOG(INFO) << "[c10d - trace] " << c10d::detail::formatLogMessage(__VA_ARGS__)
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