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
|
#include <string.h>
#include <stdlib.h>
#include <stdarg.h>
#include <mutex>
#include "record-utility.h"
#include "../../core/slang-string.h"
#include "../../core/slang-string-util.h"
constexpr const char* kRecordLayerEnvVar = "SLANG_RECORD_LAYER";
constexpr const char* kRecordLayerLogLevel = "SLANG_RECORD_LOG_LEVEL";
namespace SlangRecord
{
static thread_local unsigned int g_logLevel = LogLevel::Silent;
static bool getEnvironmentVariable(const char* name, Slang::String& out)
{
#ifdef _WIN32
char* envVar = nullptr;
size_t sz = 0;
if (_dupenv_s(&envVar, &sz, name) == 0 && envVar != nullptr)
{
out = envVar;
free(envVar);
}
#else
if (const char* envVar = std::getenv(name))
{
out = envVar;
}
#endif
return out.getLength() > 0;
}
bool isRecordLayerEnabled()
{
Slang::String envVarStr;
if(getEnvironmentVariable(kRecordLayerEnvVar, envVarStr))
{
if (envVarStr == "1")
{
return true;
}
}
return false;
}
void setLogLevel()
{
// We only want to set the log level once
if (g_logLevel != LogLevel::Silent)
{
return;
}
Slang::String envVarStr;
if (getEnvironmentVariable(kRecordLayerLogLevel, envVarStr))
{
unsigned int logLevel = Slang::stringToUInt(envVarStr);
g_logLevel = std::min((unsigned int)(LogLevel::Verbose), logLevel);
return;
}
}
void slangRecordLog(LogLevel logLevel, const char* fmt, ...)
{
if (logLevel > g_logLevel)
{
return;
}
Slang::StringBuilder builder;
va_list args;
va_start(args, fmt);
Slang::StringUtil::append(fmt, args, builder);
va_end(args);
fprintf(stdout, "[slang-record-replay]: %s", builder.begin());
}
}
|
