private void AppendToMonitoringLog(string message, bool logInKusto = false)
{
Interlocked.Increment(ref _loggerCount);
string cpuMonitorPath = MonitoringSessionController.GetCpuMonitoringPath(MonitoringSessionDirectories.Active);
string logFilePath = Path.Combine(cpuMonitorPath, Environment.MachineName + ".log");
string logMessage = $"[{DateTime.UtcNow.ToShortDateString()} {DateTime.UtcNow.ToString("hh:mm:ss")}] {message}{Environment.NewLine}";
if (_loggerCount > MAX_LINES_IN_LOGFILE)
{
var sessionDirectory = GetLogsFolderForSession(_sessionId);
var existingFileCount = FileSystemHelpers.GetFilesInDirectory(sessionDirectory, $"{Environment.MachineName}*.log", false, SearchOption.TopDirectoryOnly).Count;
var newFileName = $"{Environment.MachineName}_{existingFileCount}.log";
newFileName = Path.Combine(sessionDirectory, newFileName);
FileSystemHelpers.MoveFile(logFilePath, newFileName);
Interlocked.Exchange(ref _loggerCount, 0);
}
try
{
FileSystemHelpers.AppendAllTextToFile(logFilePath, logMessage);
}
catch (Exception)
{
}
if (logInKusto)
{
Logger.LogCpuMonitoringEvent(message, _sessionId);
}
}
public static void DequeueAnalysisRequest()
{
string analysisFolderPath = GetAnalysisFolderPath(out bool errorEncountered);
if (!errorEncountered)
{
try
{
string requestFile = FileSystemHelpers.GetFilesInDirectory(analysisFolderPath, "*.request", false, SearchOption.TopDirectoryOnly).FirstOrDefault();
if (requestFile != null)
{
var analysisRequest = FileSystemHelpers.FromJsonFile <AnalysisRequest>(requestFile);
var isRequestFileFromSameInstance = analysisRequest.LogFileName.StartsWith(Environment.MachineName);
var exceededAnalysisTimelimit = analysisRequest.StartTime != null && DateTime.UtcNow.Subtract(analysisRequest.StartTime).TotalMinutes > MAX_ANALYSISTIME_ON_SAME_INSTANCE;
Logger.LogCpuMonitoringVerboseEvent($"Checking AnalysisRequest LogFileName={analysisRequest.LogFileName}, MachineName={Environment.MachineName}, exceededAnalysisTimelimit={exceededAnalysisTimelimit}, isRequestFileFromSameInstance={isRequestFileFromSameInstance}", analysisRequest.SessionId);
if (exceededAnalysisTimelimit || isRequestFileFromSameInstance)
{
var inprogressFile = Path.ChangeExtension(requestFile, ".inprogress");
FileSystemHelpers.MoveFile(requestFile, inprogressFile);
AnalyzeKeepingExpirationAlive(inprogressFile);
}
}
}
catch (Exception ex)
{
Logger.LogCpuMonitoringErrorEvent("Failure in DequeueAnalysisRequest", ex, string.Empty);
}
}
}
private void MoveMonitoringLogsToSession(string sessionId)
{
string logsFolderPath = CpuMonitoring.GetLogsFolderForSession(sessionId);
string monitoringFolderActive = GetCpuMonitoringPath(MonitoringSessionDirectories.Active);
var filesCollected = FileSystemHelpers.GetFilesInDirectory(monitoringFolderActive, "*.log", false, SearchOption.TopDirectoryOnly);
foreach (string monitoringLog in filesCollected)
{
string fileName = Path.GetFileName(monitoringLog);
fileName = Path.Combine(logsFolderPath, fileName);
Logger.LogCpuMonitoringVerboseEvent($"Moving {monitoringLog} to {fileName}", sessionId);
RetryHelper.RetryOnException("Moving monitoring log to logs folder...", () =>
{
FileSystemHelpers.MoveFile(monitoringLog, fileName);
}, TimeSpan.FromSeconds(5), 5);
}
}