1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
#pragma once
#include <cstdio>
#include <cstdlib>
#include <ctime>
#include <filesystem>
#include <iostream>
#include <sstream>
#include <string>
namespace crow
{
enum class LogLevel
{
Debug = 0,
Info,
Warning,
Error,
Critical,
};
class Logger
{
private:
//
static std::string timestamp()
{
std::string date;
date.resize(32, '\0');
time_t t = time(nullptr);
tm myTm{};
gmtime_r(&t, &myTm);
size_t sz =
strftime(date.data(), date.size(), "%Y-%m-%d %H:%M:%S", &myTm);
date.resize(sz);
return date;
}
public:
Logger([[maybe_unused]] const std::string& prefix,
[[maybe_unused]] const std::string& filename,
[[maybe_unused]] const size_t line, LogLevel levelIn) :
level(levelIn)
{
#ifdef BMCWEB_ENABLE_LOGGING
stringstream << "(" << timestamp() << ") [" << prefix << " "
<< std::filesystem::path(filename).filename() << ":"
<< line << "] ";
#endif
}
~Logger()
{
if (level >= getCurrentLogLevel())
{
#ifdef BMCWEB_ENABLE_LOGGING
stringstream << std::endl;
std::cerr << stringstream.str();
#endif
}
}
Logger(const Logger&) = delete;
Logger(Logger&&) = delete;
Logger& operator=(const Logger&) = delete;
Logger& operator=(const Logger&&) = delete;
//
template <typename T>
Logger& operator<<([[maybe_unused]] T const& value)
{
if (level >= getCurrentLogLevel())
{
#ifdef BMCWEB_ENABLE_LOGGING
// Somewhere in the code we're implicitly casting an array to a
// pointer in logging code. It's non-trivial to find, so disable
// the check here for now
// NOLINTNEXTLINE(cppcoreguidelines-pro-bounds-array-to-pointer-decay)
stringstream << value;
#endif
}
return *this;
}
//
static void setLogLevel(LogLevel level)
{
getLogLevelRef() = level;
}
static LogLevel getCurrentLogLevel()
{
return getLogLevelRef();
}
private:
//
static LogLevel& getLogLevelRef()
{
static auto currentLevel = static_cast<LogLevel>(1);
return currentLevel;
}
//
std::ostringstream stringstream;
LogLevel level;
};
} // namespace crow
// The logging functions currently use macros. Now that we have c++20, ideally
// they'd use source_location with fixed functions, but for the moment, disable
// the check.
// NOLINTNEXTLINE(cppcoreguidelines-macro-usage)
#define BMCWEB_LOG_CRITICAL \
if (crow::Logger::getCurrentLogLevel() <= crow::LogLevel::Critical) \
crow::Logger("CRITICAL", __FILE__, __LINE__, crow::LogLevel::Critical)
// NOLINTNEXTLINE(cppcoreguidelines-macro-usage)
#define BMCWEB_LOG_ERROR \
if (crow::Logger::getCurrentLogLevel() <= crow::LogLevel::Error) \
crow::Logger("ERROR", __FILE__, __LINE__, crow::LogLevel::Error)
// NOLINTNEXTLINE(cppcoreguidelines-macro-usage)
#define BMCWEB_LOG_WARNING \
if (crow::Logger::getCurrentLogLevel() <= crow::LogLevel::Warning) \
crow::Logger("WARNING", __FILE__, __LINE__, crow::LogLevel::Warning)
// NOLINTNEXTLINE(cppcoreguidelines-macro-usage)
#define BMCWEB_LOG_INFO \
if (crow::Logger::getCurrentLogLevel() <= crow::LogLevel::Info) \
crow::Logger("INFO", __FILE__, __LINE__, crow::LogLevel::Info)
// NOLINTNEXTLINE(cppcoreguidelines-macro-usage)
#define BMCWEB_LOG_DEBUG \
if (crow::Logger::getCurrentLogLevel() <= crow::LogLevel::Debug) \
crow::Logger("DEBUG", __FILE__, __LINE__, crow::LogLevel::Debug)
|
