public override IEnumerable <LogEntry> GetLogEntries(DateTime timeFrom, DateTime timeTo)
{
Verify.That(timeFrom <= timeTo, "An incorrect time interval given.");
string filePath;
LogEntry[] newEntries;
lock (_fileLogger.SyncRoot)
{
var fileConn = _fileLogger.FileConnection;
newEntries = fileConn.NewEntries.ToArray();
filePath = fileConn.FilePath;
}
DateTime readUntil = newEntries.FirstOrDefault()?.TimeStamp.AddMilliseconds(-1) ?? DateTime.Now;
if (timeFrom <= readUntil)
{
using (var fs = File.Open(filePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
var parserEnumerable = LogReaderHelper.ParseLogLines(fs);
foreach (var logEntry in parserEnumerable)
{
if (logEntry.TimeStamp < timeFrom)
{
continue;
}
if (logEntry.TimeStamp > timeTo ||
logEntry.TimeStamp > readUntil)
{
break;
}
yield return(logEntry);
}
}
}
foreach (var logEntry in newEntries)
{
if (logEntry.TimeStamp < timeFrom)
{
continue;
}
if (logEntry.TimeStamp > timeTo)
{
break;
}
yield return(logEntry);
}
}
public override IEnumerable <LogEntry> GetLogEntries(DateTime timeFrom, DateTime timeFromTo)
{
var logLines = LogReaderHelper.GetLinesEnumerable(_file);
return(LogReaderHelper.ParseLogLines(logLines));
}
