/// <summary>
/// Initializes a new instance of the <see cref="LogWrittenEventArgs" /> class.
/// </summary>
/// <param name="filename">The filename.</param>
/// <param name="entriesWritten">The entries written.</param>
/// <param name="rotateDetails">The rotate details.</param>
/// <param name="purgeDetails">The purge details.</param>
public LogWrittenEventArgs(string filename, int entriesWritten, RotateDetails rotateDetails = null, PurgeDetails purgeDetails = null)
{
Filename = filename;
EntriesWritten = entriesWritten;
if (!string.IsNullOrEmpty(rotateDetails?.NewFilename))
{
RotateDetails = rotateDetails;
}
if (purgeDetails != null && ((purgeDetails.StaleFiles != null && purgeDetails.StaleFiles.Count > 0) || (purgeDetails.OverflowFiles != null && purgeDetails.OverflowFiles.Count > 0)))
{
PurgeDetails = purgeDetails;
}
}
/// <summary>
/// Validate the current log file and check if any processing is required.
/// </summary>
private ValidateDetails Validate(bool generateValidateDetails = false)
{
try
{
RotateDetails rotateDetails = null;
PurgeDetails purgeDetails = null;
// Check the path of the log file
// Check if the event log file should be rotated
var fileInfo = new FileInfo(_path);
if (fileInfo.Exists && fileInfo.Length >= _maxSize * 1024)
{
// Rotate the current event log file
rotateDetails = Rotate(_path);
// Purge any stale event log files (every 10 rotations)
if (_rotationCount++ % 10 == 0)
{
purgeDetails = Purge(generateValidateDetails);
}
}
if (generateValidateDetails)
{
return(new ValidateDetails(rotateDetails, purgeDetails));
}
return(null);
}
catch (Exception ex)
{
Trace.TraceError("Failed to validate log file. {0}", ex);
}
return(null);
}