/// <summary>
/// Manages the sequential traces.
/// </summary>
/// <returns>ManageSequentialTraceResults.</returns>
public ManageSequentialTraceResults ManageSequentialTraces()
{
lock (LogFileLock)
{
ManageSequentialTraceResults results = ManageSequentialTraceResults.True;
// get all trace files .etl and prune
List <string> etwLogs = EnumerateLogFiles(_logFileBaseName, "[0-9]{0,4}", true);
int currentIndex = 0;
// get current etw index and restart etw if max is met
foreach (string etwLog in etwLogs)
{
string currentIndexString = Regex.Match(Path.GetFileName(etwLog), @".*?\.([0-9]{0,4})\.").Groups[1].Value;
if (_cdfMonitor.Controller != null &&
!string.IsNullOrEmpty(currentIndexString) &&
Int32.TryParse(currentIndexString, out currentIndex) &&
currentIndex >= LOG_FILE_MAX_COUNT)
{
_cdfMonitor.LogOutput("ManageTraceFile: ETW log count has reached max count. restarting etw.");
results = ManageSequentialTraceResults.Restart;
break;
}
}
// get current list of cdfm files and index
List <string> cdfmLogs = EnumerateLogFiles(_logFileBaseName, @"CDFM.[0-9]{4}", false);
// todo fix sort for combined list. should be ok as long as cdfmlogs are added
// before newLogs...
List <string> allLogs = new List <string>();
foreach (string log in cdfmLogs)
{
if (!string.IsNullOrEmpty(log) & !allLogs.Contains(log))
{
allLogs.Add(log);
}
}
foreach (string log in etwLogs)
{
if (!string.IsNullOrEmpty(log) & !allLogs.Contains(log))
{
allLogs.Add(log);
}
}
allLogs = PruneLogFiles(allLogs);
Logs = allLogs.ToArray();
if (Logs.Length < 1)
{
_cdfMonitor.LogOutput("ManageTraceFile: no logs to process.");
return(results);
}
if (etwLogs.Count > 0)
{
LogFileName = etwLogs.Max();
}
// if only one newLog (log that has not been converted to *.CDFM.*) and trace is
// running, return
if (etwLogs.Count == 1 &&
_cdfMonitor.Controller != null &&
_cdfMonitor.Controller.Running)
{
_cdfMonitor.LogOutput("ManageTraceFile: controller running and only one file. returning.");
return(results);
}
// exit out if limit reached
if (Logs.Length >= _job.LogFileMaxCount && !_job.LogFileOverWrite)
{
_cdfMonitor.LogOutput("ManageTraceFile: max file count reached. stopping trace:" +
Logs.Length.ToString());
_cdfMonitor.EtwTraceStop();
CDFMonitor.CloseCurrentSessionEvent.Set();
return(ManageSequentialTraceResults.False);
}
// get current list of cdfm files and index
if (etwLogs.Count < 1)
{
_cdfMonitor.LogOutput("ManageTraceFile: no new logs to process.");
return(results);
}
// get next file name
for (int i = 0; i < Logs.Length; i++)
{
_cdfMonitor.LogOutput("ManageTraceFile: checking file:" + Logs[i]);
// if cdfm file then skip
if (cdfmLogs.Contains(Logs[i]))
{
continue;
}
string newFile = GenerateNewLogName(cdfmLogs.Count > 0 ? cdfmLogs.Last() :
Regex.Replace(_logFileBaseName, Path.GetExtension(_logFileBaseName), ".CDFM" + Path.GetExtension(_logFileBaseName)));
_cdfMonitor.LogOutput(string.Format("ManageSequentialTraces: renaming file {0} to {1}",
Logs[i], newFile));
if (!FileManager.FileInUse(Logs[i]))
{
FileManager.RenameFile(Logs[i], newFile);
Logs[i] = newFile;
cdfmLogs.Add(newFile);
}
else
{
_cdfMonitor.LogOutput(
string.Format("DEBUG:ManageSequentialTraces: file in use cannot rename file {0} to {1}",
Logs[i], newFile));
}
}
Logs = cdfmLogs.ToArray();
if (LogFileServerEvt != null)
{
LogFileServerEvt.Set();
}
return(results);
}
}
/// <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);
}
}
