private bool TryGetNewStreamAndApplyRetentionPolicies(long maxFileSize, out FileStream fileStream)
{
string[] logFiles;
string[] logGzFiles;
try
{
logFiles = Directory.GetFiles(_path, "*.log");
logGzFiles = Directory.GetFiles(_path, "*.log.gz");
}
catch (Exception)
{
// Something went wrong we will try again later
fileStream = null;
return(false);
}
Array.Sort(logFiles);
Array.Sort(logGzFiles);
if (DateTime.Today != _today)
{
_today = DateTime.Today;
_dateString = LogInfo.GetFileName(DateTime.Today);
_logNumber = Math.Max(NextLogNumberForExtension(logFiles, "log"), NextLogNumberForExtension(logGzFiles, "log.gz"));
}
UpdateLocalDateTimeOffset();
string fileName;
while (true)
{
var nextLogNumber = Interlocked.Increment(ref _logNumber);
fileName = Path.Combine(_path, _dateString) + "." + nextLogNumber.ToString("000", CultureInfo.InvariantCulture) + ".log";
if (File.Exists(fileName) == false || new FileInfo(fileName).Length < maxFileSize)
{
break;
}
}
if (Compressing == false)
{
CleanupOldLogFiles(logFiles);
LimitLogSize(logFiles);
}
fileStream = File.Open(fileName, FileMode.Append, FileAccess.Write, FileShare.Read);
fileStream.Write(_headerRow, 0, _headerRow.Length);
return(true);
}
