void SetTraceFilePrefix(LPCTSTR strFilePrefix)
{
// set lock
theHelper.Lock();
// set trace file name prefix
theHelper.SetTraceFilePrefix(strFilePrefix);
// release lock
theHelper.Unlock();
}
void SetTraceLevel(const int nLevel)
{
// set lock
theHelper.Lock();
// set trace level
theHelper.SetTraceLevel(nLevel);
// release lock
theHelper.Unlock();
}
/**
\brief Resets the log.
\author dcofer
\date 5/4/2011
**/
void STD_UTILS_PORT Std_ResetLog()
{
theHelper.Lock();
if(theHelper.m_hFile)
{
theHelper.CloseTraceFile();
if(theHelper.m_strFilename.length())
DeleteFile((LPCSTR) theHelper.m_strFilename.c_str());
}
theHelper.Unlock();
}
/**
\brief Logs a message.
\author dcofer
\date 5/4/2011
\param nLevel The log level.
\param bPrintHeader true to print header.
\param strFormat The string format.
\return .
**/
void STD_UTILS_PORT Std_Log(const int nLevel, bool bPrintHeader, LPCTSTR strFormat, ...)
{
// if the specified trace level is greater than
// the current trace level, return immediately
if(theHelper.m_nLevel==0||nLevel>theHelper.m_nLevel) return;
// set lock
theHelper.Lock();
try
{
// get local time
SYSTEMTIME sysTime;
::GetLocalTime(&sysTime);
// get trace file handle
HANDLE hFile = theHelper.m_hFile;
// open the trace file if not already open
if(hFile==NULL) hFile = theHelper.OpenTraceFile();
// if it is already a new day, close the old
// trace file and open a new one
else if
(
sysTime.wYear!=theHelper.m_timeStart.wYear||
sysTime.wMonth!=theHelper.m_timeStart.wMonth||
sysTime.wDay!=theHelper.m_timeStart.wDay)
{
theHelper.CloseTraceFile();
theHelper.OpenTraceFile();
}
std::string strLevel = GetLevel(nLevel);
// write the trace message
if(hFile)
{
// declare buffer (default max buffer size = 32k)
const int nMaxSize = 32*1024;
TCHAR pBuffer[nMaxSize+51];
int nPos=0;
if(bPrintHeader)
{
// print time stamp and thread id to buffer
nPos = _stprintf
(
pBuffer,
_T("[%s %02d/%02d/%04d %02d:%02d:%02d_%03d_%X] "),
strLevel.c_str(),
sysTime.wDay,
sysTime.wMonth,
sysTime.wYear,
sysTime.wHour,
sysTime.wMinute,
sysTime.wSecond,
sysTime.wMilliseconds,
theHelper.m_nThreadId
);
}
// print the trace message to buffer
va_list args;
va_start(args, strFormat);
nPos += _vsntprintf(pBuffer+nPos,nMaxSize,strFormat,args);
va_end(args);
// print the end of the line to buffer
_stprintf(pBuffer+nPos,_T("\r\n"));
// write the buffer to the trace file
DWORD dwBytes;
::WriteFile(hFile,pBuffer,_tcslen(pBuffer),&dwBytes,NULL);
}
}
catch(...)
{
// add code to handle exception (if needed)
}
// release lock
theHelper.Unlock();
}
void WriteTrace(const int nLevel, const char* strFormat, ...)
{
// if the specified trace level is greater than
// the current trace level, return immediately
if(theHelper.m_nLevel==0||nLevel>theHelper.m_nLevel) return;
// set lock
theHelper.Lock();
try
{
// get local time
time_t sysTime;
time(&sysTime);
struct tm* timeinfo = localtime(&sysTime);
struct tm* startinfo = localtime(&theHelper.m_timeStart);
// get trace file handle
FILE* hFile = theHelper.m_hFile;
// open the trace file if not already open
if(hFile==NULL) hFile = theHelper.OpenTraceFile();
// if it is already a new day, close the old
// trace file and open a new one
else if
(
timeinfo->tm_year!=startinfo->tm_year||
timeinfo->tm_mon!=startinfo->tm_mon||
timeinfo->tm_mday!=startinfo->tm_mday)
{
theHelper.CloseTraceFile();
theHelper.OpenTraceFile();
}
// write the trace message
if(hFile)
{
// declare buffer (default max buffer size = 32k)
const int nMaxSize = 32*1024;
char pBuffer[nMaxSize+51];
// print time stamp and thread id to buffer
int nPos = sprintf
(
pBuffer,
"%02d:%02d:%02d: ",
timeinfo->tm_hour,
timeinfo->tm_min,
timeinfo->tm_sec
);
switch(nLevel) {
case TraceError:
nPos += sprintf
(
pBuffer+nPos,
"Error: "
);
break;
case TraceInfo:
nPos += sprintf
(
pBuffer+nPos,
"Info: "
);
break;
case TraceDebug:
nPos += sprintf
(
pBuffer+nPos,
"Debug: "
);
break;
case TraceDetail:
nPos += sprintf
(
pBuffer+nPos,
"Debug: "
);
break;
default:
nPos += sprintf
(
pBuffer+nPos,
"None: "
);
break;
}
// print the trace message to buffer
va_list args;
va_start(args, strFormat);
nPos += vsprintf(pBuffer+nPos,strFormat,args);
va_end(args);
// print the end of the line to buffer
sprintf(pBuffer+nPos,"\n");
// write the buffer to the trace file
fputs(pBuffer,hFile);
}
}
catch(...)
{
// add code to handle exception (if needed)
}
// release lock
theHelper.Unlock();
}
