bool
TunnelInterfaceRegTest::writeFile(ReplyData replyData, WFString fileName)
{
   // Create the file, if file already exist data will be appended.
   FILE* pSaveFile = fopen(fileName.c_str(), "ab");
   if (pSaveFile == NULL) {
      return false;
   }
   // Get the buffer for writing
   if (replyData.getData() != NULL) {
      // Write the buffer to the file
      fwrite(replyData.getData(),
             replyData.getSize(),
             1, pSaveFile);
      fclose(pSaveFile);
      return true;
   }
   // No buffer, this should never happen
   fclose(pSaveFile);
   return false;
}