// newSegmentFile will close the current segment file and open a new one, updating bookkeeping info on the log.
private void newSegmentFile()
{
currentSegmentID++;
if (currentSegmentWriter != null)
{
currentSegmentWriter.Flush();
currentSegmentWriter.Close();
Interlocked.Add(ref stats.OldBytes, currentSegmentWriter.Size);
}
string fileName = string.Format("{0}{1}{2:D5}.{3}", Path, Constants.WALFilePrefix, currentSegmentID, Constants.WALFileExtension);
FileStream fd = File.Create(fileName);
currentSegmentWriter = new WalSegmentWriter(fd);
LastWriteTime = DateTime.Now.Ticks;
// Reset the current segment size stat
Interlocked.Add(ref stats.CurrentBytes, 0);
}
