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
15 namespace c10d {
16 namespace detail {
17
18 enum class LogLevel { Trace, Debug, Info, Warning, Error };
19
20 TORCH_API bool isLogLevelEnabled(LogLevel level) noexcept;
21
22 template <typename... T>
formatLogMessage(fmt::string_view fmt,T &&...args)23 std::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