1// Copyright (c) Meta Platforms, Inc. and its affiliates.
2// All rights reserved.
3//
4// This source code is licensed under the BSD-style license found in the
5// LICENSE file in the root directory of this source tree.
6
7#pragma once
8
9#include <string>
10
11#include <c10/macros/Macros.h>
12#include <c10/util/Logging.h>
13#include <fmt/format.h>
14
15namespace c10d {
16namespace detail {
17
18enum class LogLevel { Trace, Debug, Info, Warning, Error };
19
20TORCH_API bool isLogLevelEnabled(LogLevel level) noexcept;
21
22template <typename... T>
23std::string formatLogMessage(fmt::string_view fmt, T&&... args) {
24 return fmt::vformat(fmt, fmt::make_format_args(args...));
25}
26
27} // namespace detail
28} // namespace c10d
29
30#define C10D_ERROR(...) \
31 LOG_IF( \
32 ERROR, c10d::detail::isLogLevelEnabled(c10d::detail::LogLevel::Error)) \
33 << "[c10d] " << c10d::detail::formatLogMessage(__VA_ARGS__)
34
35#define C10D_WARNING(...) \
36 LOG_IF( \
37 WARNING, \
38 c10d::detail::isLogLevelEnabled(c10d::detail::LogLevel::Warning)) \
39 << "[c10d] " << c10d::detail::formatLogMessage(__VA_ARGS__)
40
41#define C10D_INFO(...) \
42 LOG_IF(INFO, c10d::detail::isLogLevelEnabled(c10d::detail::LogLevel::Info)) \
43 << "[c10d] " << c10d::detail::formatLogMessage(__VA_ARGS__)
44
45#define C10D_DEBUG(...) \
46 LOG_IF(INFO, c10d::detail::isLogLevelEnabled(c10d::detail::LogLevel::Debug)) \
47 << "[c10d - debug] " << c10d::detail::formatLogMessage(__VA_ARGS__)
48
49#define C10D_TRACE(...) \
50 LOG_IF(INFO, c10d::detail::isLogLevelEnabled(c10d::detail::LogLevel::Trace)) \
51 << "[c10d - trace] " << c10d::detail::formatLogMessage(__VA_ARGS__)
52