private SizeLimitedFileSink GetLatestSink()
{
EnsureDirectoryCreated(this.logDirectory);
SizeLimitedLogFileInfo logFileInfo = SizeLimitedLogFileInfo.GetLatestOrNew(DateTime.UtcNow, this.logDirectory, this.logFilePrefix);
return(new SizeLimitedFileSink(
this.formatter,
this.logDirectory,
new SizeLimitedLogFileDescription(logFileInfo, this.fileSizeLimitBytes, this.logFilePrefix),
this.encoding));
}
internal static SizeLimitedLogFileInfo GetLatestOrNew(DateTime date, string logDirectory, string logFilePrefix)
{
string pattern = $"{logFilePrefix}{date.ToString(DateFormat)}" + @"-(\d{5}).log";
var logFileInfo = new SizeLimitedLogFileInfo(date, 1, logFilePrefix);
foreach (var filePath in Directory.GetFiles(logDirectory))
{
Match match = Regex.Match(filePath, pattern);
if (match.Success)
{
var sequence = uint.Parse(match.Groups[1].Value);
if (sequence > logFileInfo.Sequence)
{
logFileInfo = new SizeLimitedLogFileInfo(date, sequence, logFilePrefix);
}
}
}
return(logFileInfo);
}
