XN_C_API void xnLogWriteBinaryData(const XnChar* csLogMask, XnLogSeverity nSeverity, const XnChar* csFile, XnUInt32 nLine, XnUChar* pBinData, XnUInt32 nDataSize, const XnChar* csFormat, ...)
{
if (!xnLogIsEnabled(csLogMask, nSeverity))
return;
// first write preceding message:
va_list args;
va_start(args, csFormat);
xnLogWriteImplV(csLogMask, nSeverity, csFile, nLine, csFormat, args);
va_end(args);
// now write binary data (in lines of 16 bytes)
XnChar csLine[256];
XnUInt32 pos = 0;
for (XnUInt32 i = 0; i < nDataSize; ++i)
{
if ((i % 16) == 0) // first byte in line
{
// start a new line
pos = sprintf(csLine, "%6u: ", i);
}
pos += sprintf(csLine + pos, "%02x ", pBinData[i]);
if ((i % 16) == 15 || (i == nDataSize-1)) // last byte in line
{
xnLogWriteImpl(csLogMask, nSeverity, csFile, nLine, "%s", csLine);
}
}
}
void xnLogConfigurationChanged()
{
// if new configuration requires a log file, and we don't have one opened
if (g_xnLoggerData.m_nLogFilteringType != XN_LOG_WRITE_NONE && g_xnLoggerData.m_bWriteToFile && g_xnLoggerData.m_fLogFile == XN_INVALID_FILE_HANDLE)
{
XN_PROCESS_ID nProcID = 0;
xnOSGetCurrentProcessID(&nProcID);
XnChar strFileName[XN_FILE_MAX_PATH];
sprintf(strFileName, "%s%s_%u.log", g_xnLoggerData.m_csLogDir, g_xnLoggerData.m_csTime, nProcID);
XnStatus nRetVal = xnLogCreateFile(strFileName, &g_xnLoggerData.m_fLogFile);
if (nRetVal != XN_STATUS_OK)
{
// we don't have much to do if files can't be open. Logs will not be written to file
printf("Couldn't create log file %s! Logs will not be written (error: %s)\n", strFileName, xnGetStatusString(nRetVal));
g_xnLoggerData.m_fLogFile = XN_INVALID_FILE_HANDLE;
g_xnLoggerData.m_bWriteToFile = FALSE;
}
}
if (!g_xnLoggerData.m_bBannerPrinted && xnLogIsEnabled(XN_MASK_LOG, XN_LOG_INFO))
{
xnLogInfo(XN_MASK_LOG, "OpenNI version is %s", XN_VERSION_STRING);
g_xnLoggerData.m_bBannerPrinted = TRUE;
}
if (g_xnLoggerData.m_fLogFile != XN_INVALID_FILE_HANDLE)
{
XnChar csMasks[XN_LOG_MASKS_STRING_LEN];
xnLogGetMasksString(csMasks);
xnLogWriteImpl(XN_MASK_LOG, XN_LOG_INFO, __FILE__, __LINE__, "Log system initialized. Console: %d, File: %d, Severity: %s, Masks: %s",
g_xnLoggerData.m_bWriteToConsole, g_xnLoggerData.m_bWriteToFile, xnLogGetSeverityString(g_xnLoggerData.m_nFilterSeverity), csMasks);
}
}