/// <summary>
/// determines if multiple files are needed trims files if out of range which file is
/// current
/// </summary>
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns>
public bool ManageSequentialLogs()
{
lock (LogFileLock)
{
// Reformat logFileName to include version number
// Search directory for existing files in format of Config.LogFileName.####.ext
if (!LoggingIsEnabled)
{
return(true);
}
string logFile = LogFileName;
List <string> tempList = PruneLogFiles(EnumerateLogFiles(logFile, "[0-9]{0,4}", true));
// set current log
if (tempList.Count > 0)
{
logFile = tempList[tempList.Count - 1];
}
else
{
// no log files so use default
logFile = GenerateNewLogName(logFile);
tempList.Add(logFile);
}
FileInfo logFileInfo = new FileInfo(logFile);
// exit out if out of size or count
if (!_job.LogFileOverWrite &&
logFileInfo.Exists &&
_job.LogFileMaxCount > 0 &&
tempList.Count >= _job.LogFileMaxCount &&
_job.LogFileMaxSize > 0 &&
logFileInfo.Length >= _job.LogFileMaxSizeBytes)
{
_cdfMonitor.EtwTraceStop();
_cdfMonitor.LogOutput("DEBUG:ManageSequentialLogs:reached max logfile size limit/count. quitting");
CDFMonitor.CloseCurrentSessionEvent.Set();
return(false);
}
DisableLogStream();
// We have complete logs list so now if logfilename doesnt exist, set and exit
// File exists and has no more room
if (FileManager.FileInUse(logFile) ||
(_job.LogFileMaxSize > 0 &&
logFileInfo.Exists &&
logFileInfo.Length >= _job.LogFileMaxSizeBytes))
{
if (_job.LogFileMaxCount > 0 &&
tempList.Count >= _job.LogFileMaxCount)
{
// Delete oldest and generate new name
FileManager.DeleteFile(tempList[0]);
tempList.Remove(tempList[0]);
}
logFile = GenerateNewLogName(logFile);
tempList.Add(logFile);
}
CurrentLogFileSize = File.Exists(logFile) ? new FileInfo(logFile).Length : 0;
Logs = tempList.ToArray();
bool retval = SetLogFileName(logFile);
LoggingIsEnabled = true;
_job.Enabled = true;
if (LogFileServerEvt != null)
{
LogFileServerEvt.Set();
}
return(retval);
}
}
