private Periodicity DeterminePeriodicityType()
{
var periodicRollingCalendar = new PeriodicRollingCalendar(this.format, this.period);
var epoch = new DateTime(1970, 1, 1);
foreach (var i in ValidOrderedList)
{
string r0 = epoch.ToString(this.format);
periodicRollingCalendar.PeriodicityType = i;
var next = periodicRollingCalendar.NextTriggeringTime(epoch, 1);
string r1 = next.ToString(this.format);
if (r0 != r1)
{
return(i);
}
}
return(Periodicity.ERRONEOUS);
}
/// <summary>
/// Works like the CopyStream method but does a log rotation based on time.
/// </summary>
private void CopyStreamWithDateRotation(StreamReader reader, string ext)
{
var periodicRollingCalendar = new PeriodicRollingCalendar(this.Pattern, this.Period);
periodicRollingCalendar.Init();
var writer = new FileStream(this.BaseLogFileName + "_" + periodicRollingCalendar.Format + ext, FileMode.Append);
var copy = new StreamCopyOperation(reader.BaseStream, writer);
while (copy.CopyLine() != 0)
{
if (periodicRollingCalendar.ShouldRoll)
{
writer.Dispose();
copy.Writer = writer = new FileStream(this.BaseLogFileName + "_" + periodicRollingCalendar.Format + ext, FileMode.Create);
}
}
reader.Dispose();
writer.Dispose();
}
/// <summary>
/// Works like the CopyStream method but does a log rotation based on time.
/// </summary>
private void CopyStreamWithDateRotation(StreamReader reader, string ext)
{
PeriodicRollingCalendar periodicRollingCalendar = new PeriodicRollingCalendar(this.Pattern, this.Period);
periodicRollingCalendar.Init();
StreamWriter writer = this.CreateWriter(new FileStream(this.BaseLogFileName + "_" + periodicRollingCalendar.Format + ext, FileMode.Append));
string? line;
while ((line = reader.ReadLine()) != null)
{
if (periodicRollingCalendar.ShouldRoll)
{
writer.Dispose();
writer = this.CreateWriter(new FileStream(this.BaseLogFileName + "_" + periodicRollingCalendar.Format + ext, FileMode.Create));
}
writer.WriteLine(line);
}
reader.Dispose();
writer.Dispose();
}