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
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
|
// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <algorithm>
#include "common/assert.h"
#include "common/logging/backend.h"
#include "common/logging/log.h"
#include "common/logging/text_formatter.h"
namespace Log {
static std::shared_ptr<Logger> global_logger;
/// Macro listing all log classes. Code should define CLS and SUB as desired before invoking this.
#define ALL_LOG_CLASSES() \
CLS(Log) \
CLS(Common) \
SUB(Common, Filesystem) \
SUB(Common, Memory) \
CLS(Core) \
SUB(Core, ARM11) \
SUB(Core, Timing) \
CLS(Config) \
CLS(Debug) \
SUB(Debug, Emulated) \
SUB(Debug, GPU) \
SUB(Debug, Breakpoint) \
CLS(Kernel) \
SUB(Kernel, SVC) \
CLS(Service) \
SUB(Service, SRV) \
SUB(Service, FS) \
SUB(Service, ERR) \
SUB(Service, APT) \
SUB(Service, GSP) \
SUB(Service, AC) \
SUB(Service, PTM) \
SUB(Service, LDR) \
SUB(Service, NIM) \
SUB(Service, NWM) \
SUB(Service, CFG) \
SUB(Service, DSP) \
SUB(Service, HID) \
SUB(Service, SOC) \
CLS(HW) \
SUB(HW, Memory) \
SUB(HW, LCD) \
SUB(HW, GPU) \
CLS(Frontend) \
CLS(Render) \
SUB(Render, Software) \
SUB(Render, OpenGL) \
CLS(Loader)
Logger::Logger() {
// Register logging classes so that they can be queried at runtime
size_t parent_class;
all_classes.reserve((size_t)Class::Count);
#define CLS(x) \
all_classes.push_back(Class::x); \
parent_class = all_classes.size() - 1;
#define SUB(x, y) \
all_classes.push_back(Class::x##_##y); \
all_classes[parent_class].num_children += 1;
ALL_LOG_CLASSES()
#undef CLS
#undef SUB
// Ensures that ALL_LOG_CLASSES isn't missing any entries.
DEBUG_ASSERT(all_classes.size() == (size_t)Class::Count);
}
// GetClassName is a macro defined by Windows.h, grrr...
const char* Logger::GetLogClassName(Class log_class) {
switch (log_class) {
#define CLS(x) case Class::x: return #x;
#define SUB(x, y) case Class::x##_##y: return #x "." #y;
ALL_LOG_CLASSES()
#undef CLS
#undef SUB
}
return "Unknown";
}
const char* Logger::GetLevelName(Level log_level) {
#define LVL(x) case Level::x: return #x
switch (log_level) {
LVL(Trace);
LVL(Debug);
LVL(Info);
LVL(Warning);
LVL(Error);
LVL(Critical);
}
return "Unknown";
#undef LVL
}
void Logger::LogMessage(Entry entry) {
ring_buffer.Push(std::move(entry));
}
size_t Logger::GetEntries(Entry* out_buffer, size_t buffer_len) {
return ring_buffer.BlockingPop(out_buffer, buffer_len);
}
std::shared_ptr<Logger> InitGlobalLogger() {
global_logger = std::make_shared<Logger>();
return global_logger;
}
Entry CreateEntry(Class log_class, Level log_level,
const char* filename, unsigned int line_nr, const char* function,
const char* format, va_list args) {
using std::chrono::steady_clock;
using std::chrono::duration_cast;
static steady_clock::time_point time_origin = steady_clock::now();
std::array<char, 4 * 1024> formatting_buffer;
Entry entry;
entry.timestamp = duration_cast<std::chrono::microseconds>(steady_clock::now() - time_origin);
entry.log_class = log_class;
entry.log_level = log_level;
snprintf(formatting_buffer.data(), formatting_buffer.size(), "%s:%s:%u", filename, function, line_nr);
entry.location = std::string(formatting_buffer.data());
vsnprintf(formatting_buffer.data(), formatting_buffer.size(), format, args);
entry.message = std::string(formatting_buffer.data());
return std::move(entry);
}
static Filter* filter;
void SetFilter(Filter* new_filter) {
filter = new_filter;
}
void LogMessage(Class log_class, Level log_level,
const char* filename, unsigned int line_nr, const char* function,
const char* format, ...) {
if (!filter->CheckMessage(log_class, log_level))
return;
va_list args;
va_start(args, format);
Entry entry = CreateEntry(log_class, log_level,
filename, line_nr, function, format, args);
va_end(args);
if (global_logger != nullptr && !global_logger->IsClosed()) {
global_logger->LogMessage(std::move(entry));
} else {
// Fall back to directly printing to stderr
PrintMessage(entry);
}
}
}
|
