Ejemplo n.º 1
0
        /// <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);
            }
        }