Files
Aerofoil/AerofoilX/GpLogDriver_X.cpp
2021-05-04 18:11:03 +02:00

133 lines
2.7 KiB
C++

#include "GpLogDriver_X.h"
#include "GpFileSystem_X.h"
#include "GpApplicationName.h"
#include "GpIOStream.h"
#include <time.h>
#include <cstring>
GpLogDriver_X::GpLogDriver_X()
: m_stream(nullptr)
, m_isInitialized(false)
{
}
void GpLogDriver_X::Init()
{
ms_instance.InitInternal();
}
void GpLogDriver_X::VPrintf(Category category, const char *fmt, va_list args)
{
size_t fmtSize = 0;
bool hasFormatting = false;
for (const char *fmtCheck = fmt; *fmtCheck; fmtCheck++)
{
if (*fmtCheck == '%')
hasFormatting = true;
fmtSize++;
}
time_t t = time(nullptr);
struct tm sysTime = *localtime(&t);
char timestampBuffer[64];
sprintf(timestampBuffer, "[%02d:%02d:%02d] ", sysTime.tm_hour, sysTime.tm_min, sysTime.tm_sec);
if (m_stream)
m_stream->Write(timestampBuffer, strlen(timestampBuffer));
const char *debugTag = "";
switch (category)
{
case Category_Warning:
debugTag = "[WARNING] ";
break;
case Category_Error:
debugTag = "[ERROR] ";
break;
};
if (debugTag[0])
{
if (m_stream)
m_stream->Write(debugTag, strlen(debugTag));
}
if (!hasFormatting)
{
if (m_stream)
m_stream->Write(fmt, fmtSize);
}
else
{
//a copy is needed if using va_list multiple times (otherwise unexpected output)
va_list args_copy;
va_copy(args_copy, args);
int formattedSize = vsnprintf(nullptr, 0, fmt, args);
if (formattedSize <= 0)
return;
char *charBuff = static_cast<char*>(malloc(formattedSize + 1));
if (!charBuff)
return;
vsnprintf(charBuff, formattedSize + 1, fmt, args_copy);
va_end(args_copy);
if (m_stream)
m_stream->Write(charBuff, formattedSize);
free(charBuff);
}
if (m_stream)
{
m_stream->Write("\n", 1);
m_stream->Flush();
}
}
void GpLogDriver_X::Shutdown()
{
if (m_stream)
m_stream->Close();
}
GpLogDriver_X *GpLogDriver_X::GetInstance()
{
if (ms_instance.m_isInitialized)
return &ms_instance;
else
return nullptr;
}
void GpLogDriver_X::InitInternal()
{
time_t t = time(nullptr);
struct tm utcTime = *gmtime(&t);
char logFileName[256];
sprintf(logFileName, GP_APPLICATION_NAME "-%04d-%02d-%02d_%02d-%02d_%02d.txt", utcTime.tm_year, utcTime.tm_mon, utcTime.tm_mday, utcTime.tm_hour, utcTime.tm_min, utcTime.tm_sec);
m_stream = GpFileSystem_X::GetInstance()->OpenFile(PortabilityLayer::VirtualDirectories::kLogs, logFileName, true, GpFileCreationDispositions::kCreateOrOverwrite);
if (m_stream)
{
this->Printf(IGpLogDriver::Category_Information, GP_APPLICATION_NAME " build " __TIMESTAMP__);
#if !GP_DEBUG_CONFIG
this->Printf(IGpLogDriver::Category_Information, "Configuration: Release");
#else
this->Printf(IGpLogDriver::Category_Information, "Configuration: Debug");
#endif
m_isInitialized = true;
}
}
GpLogDriver_X GpLogDriver_X::ms_instance;