logging.hpp (25b54dba775b31021a3a4677eb79e9771bcb97f7) logging.hpp (17c472452c9a3518aeac636d01b8e2f01c4fa21f)
1#pragma once
2
3#include "bmcweb_config.h"
4
5#include <bit>
6#include <format>
7#include <iostream>
8#include <source_location>

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60const void* logPtr(T p)
61{
62 static_assert(std::is_pointer<T>::value,
63 "Can't use logPtr without pointer");
64 return std::bit_cast<const void*>(p);
65}
66
67template <LogLevel level, typename... Args>
1#pragma once
2
3#include "bmcweb_config.h"
4
5#include <bit>
6#include <format>
7#include <iostream>
8#include <source_location>

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60const void* logPtr(T p)
61{
62 static_assert(std::is_pointer<T>::value,
63 "Can't use logPtr without pointer");
64 return std::bit_cast<const void*>(p);
65}
66
67template <LogLevel level, typename... Args>
68inline void vlog(std::format_string<Args...> format, Args... args,
68inline void vlog(std::format_string<Args...>&& format, Args&&... args,
69 const std::source_location& loc) noexcept
70{
71 if constexpr (bmcwebCurrentLoggingLevel < level)
72 {
73 return;
74 }
75 constexpr size_t stringIndex = static_cast<size_t>(level);
76 static_assert(stringIndex < mapLogLevelFromName.size(),
77 "Missing string for level");
78 constexpr std::string_view levelString = mapLogLevelFromName[stringIndex];
79 std::string_view filename = loc.file_name();
80 filename = filename.substr(filename.rfind('/') + 1);
69 const std::source_location& loc) noexcept
70{
71 if constexpr (bmcwebCurrentLoggingLevel < level)
72 {
73 return;
74 }
75 constexpr size_t stringIndex = static_cast<size_t>(level);
76 static_assert(stringIndex < mapLogLevelFromName.size(),
77 "Missing string for level");
78 constexpr std::string_view levelString = mapLogLevelFromName[stringIndex];
79 std::string_view filename = loc.file_name();
80 filename = filename.substr(filename.rfind('/') + 1);
81 std::cout << std::format("[{} {}:{}] ", levelString, filename, loc.line())
82 << std::format(format, std::forward<Args>(args)...) << '\n'
83 << std::flush;
81 std::string logLocation;
82 logLocation = std::format("[{} {}:{}] ", levelString, filename, loc.line());
83 try
84 {
85 // TODO, multiple static analysis tools flag that this could potentially
86 // throw Based on the documentation, it shouldn't throw, so long as none
87 // of the formatters throw, so unclear at this point why this try/catch
88 // is required, but add it to silence the static analysis tools.
89 logLocation += std::format(std::move(format),
90 std::forward<Args>(args)...);
91 }
92 catch (const std::format_error& /*error*/)
93 {
94 logLocation += "Failed to format";
95 // Nothing more we can do here if logging is broken.
96 }
97 logLocation += '\n';
98 // Intentionally ignore error return.
99 fwrite(logLocation.data(), sizeof(std::string::value_type),
100 logLocation.size(), stdout);
101 fflush(stdout);
84}
85} // namespace crow
86
87template <typename... Args>
88struct BMCWEB_LOG_CRITICAL
89{
90 // NOLINTNEXTLINE(google-explicit-constructor)
91 BMCWEB_LOG_CRITICAL(std::format_string<Args...> format, Args&&... args,
92 const std::source_location& loc =
93 std::source_location::current()) noexcept
94 {
102}
103} // namespace crow
104
105template <typename... Args>
106struct BMCWEB_LOG_CRITICAL
107{
108 // NOLINTNEXTLINE(google-explicit-constructor)
109 BMCWEB_LOG_CRITICAL(std::format_string<Args...> format, Args&&... args,
110 const std::source_location& loc =
111 std::source_location::current()) noexcept
112 {
95 crow::vlog<crow::LogLevel::Critical, Args...>(format, args..., loc);
113 crow::vlog<crow::LogLevel::Critical, Args...>(
114 std::move(format), std::forward<Args>(args)..., loc);
96 }
97};
98
99template <typename... Args>
100struct BMCWEB_LOG_ERROR
101{
102 // NOLINTNEXTLINE(google-explicit-constructor)
103 BMCWEB_LOG_ERROR(std::format_string<Args...> format, Args&&... args,
104 const std::source_location& loc =
105 std::source_location::current()) noexcept
106 {
115 }
116};
117
118template <typename... Args>
119struct BMCWEB_LOG_ERROR
120{
121 // NOLINTNEXTLINE(google-explicit-constructor)
122 BMCWEB_LOG_ERROR(std::format_string<Args...> format, Args&&... args,
123 const std::source_location& loc =
124 std::source_location::current()) noexcept
125 {
107 crow::vlog<crow::LogLevel::Error, Args...>(format, args..., loc);
126 crow::vlog<crow::LogLevel::Error, Args...>(
127 std::move(format), std::forward<Args>(args)..., loc);
108 }
109};
110
111template <typename... Args>
112struct BMCWEB_LOG_WARNING
113{
114 // NOLINTNEXTLINE(google-explicit-constructor)
115 BMCWEB_LOG_WARNING(std::format_string<Args...> format, Args&&... args,
116 const std::source_location& loc =
117 std::source_location::current()) noexcept
118 {
128 }
129};
130
131template <typename... Args>
132struct BMCWEB_LOG_WARNING
133{
134 // NOLINTNEXTLINE(google-explicit-constructor)
135 BMCWEB_LOG_WARNING(std::format_string<Args...> format, Args&&... args,
136 const std::source_location& loc =
137 std::source_location::current()) noexcept
138 {
119 crow::vlog<crow::LogLevel::Warning, Args...>(format, args..., loc);
139 crow::vlog<crow::LogLevel::Warning, Args...>(
140 std::move(format), std::forward<Args>(args)..., loc);
120 }
121};
122
123template <typename... Args>
124struct BMCWEB_LOG_INFO
125{
126 // NOLINTNEXTLINE(google-explicit-constructor)
127 BMCWEB_LOG_INFO(std::format_string<Args...> format, Args&&... args,
128 const std::source_location& loc =
129 std::source_location::current()) noexcept
130 {
141 }
142};
143
144template <typename... Args>
145struct BMCWEB_LOG_INFO
146{
147 // NOLINTNEXTLINE(google-explicit-constructor)
148 BMCWEB_LOG_INFO(std::format_string<Args...> format, Args&&... args,
149 const std::source_location& loc =
150 std::source_location::current()) noexcept
151 {
131 crow::vlog<crow::LogLevel::Info, Args...>(format, args..., loc);
152 crow::vlog<crow::LogLevel::Info, Args...>(
153 std::move(format), std::forward<Args>(args)..., loc);
132 }
133};
134
135template <typename... Args>
136struct BMCWEB_LOG_DEBUG
137{
138 // NOLINTNEXTLINE(google-explicit-constructor)
139 BMCWEB_LOG_DEBUG(std::format_string<Args...> format, Args&&... args,
140 const std::source_location& loc =
141 std::source_location::current()) noexcept
142 {
154 }
155};
156
157template <typename... Args>
158struct BMCWEB_LOG_DEBUG
159{
160 // NOLINTNEXTLINE(google-explicit-constructor)
161 BMCWEB_LOG_DEBUG(std::format_string<Args...> format, Args&&... args,
162 const std::source_location& loc =
163 std::source_location::current()) noexcept
164 {
143 crow::vlog<crow::LogLevel::Debug, Args...>(format, args..., loc);
165 crow::vlog<crow::LogLevel::Debug, Args...>(
166 std::move(format), std::forward<Args>(args)..., loc);
144 }
145};
146
147template <typename... Args>
148BMCWEB_LOG_CRITICAL(std::format_string<Args...>, Args&&...)
149 -> BMCWEB_LOG_CRITICAL<Args...>;
150
151template <typename... Args>

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168};
169
170template <typename... Args>
171BMCWEB_LOG_CRITICAL(std::format_string<Args...>, Args&&...)
172 -> BMCWEB_LOG_CRITICAL<Args...>;
173
174template <typename... Args>

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