private static void WRITE_Errors_To_EventLog(string MethodInCode, string msg, LogSeverity LogSeverity, EventID eventID = 0)
{
ErrorLogging_Level();
string err_msg = "DateTime=" + DateTime.Now.ToString(Settings.SWELF_Date_Time_Format) + " SourceComputer=" + Settings.ComputerName + " Severity=" + Severity_Levels[(int)LogSeverity] + " MethodInCode=" + MethodInCode + " Message=" + msg + "\n";
if (LogSeverity == LogSeverity.Informataion)
{
EventLog_SWELF.WRITE_Info_EventLog("DateTime=" + DateTime.Now.ToString(Settings.SWELF_Date_Time_Format) + " SWELF Immediate" + " Severity=" + Severity_Levels[(int)LogSeverity] + " Message=" + err_msg + "\n", eventID);
}
else if (LogSeverity == LogSeverity.Verbose)
{
EventLog_SWELF.WRITE_Verbose_EventLog("DateTime=" + DateTime.Now.ToString(Settings.SWELF_Date_Time_Format) + " SWELF Immediate" + " Severity=" + Severity_Levels[(int)LogSeverity] + " Message=" + err_msg + "\n", eventID);
}
else if (LogSeverity == LogSeverity.Warning)
{
EventLog_SWELF.WRITE_Warning_EventLog("DateTime=" + DateTime.Now.ToString(Settings.SWELF_Date_Time_Format) + " SWELF Immediate" + " Severity=" + Severity_Levels[(int)LogSeverity] + " Message=" + err_msg + "\n", eventID);
}
else if (LogSeverity == LogSeverity.FailureAudit)
{
EventLog_SWELF.WRITE_FailureAudit_Error_To_EventLog("DateTime=" + DateTime.Now.ToString(Settings.SWELF_Date_Time_Format) + " SWELF Immediate" + " Severity=" + Severity_Levels[(int)LogSeverity] + " Message=" + err_msg + "\n", eventID);
}
else if (LogSeverity == LogSeverity.Critical)
{
EventLog_SWELF.WRITE_ERROR_EventLog("DateTime=" + DateTime.Now.ToString(Settings.SWELF_Date_Time_Format) + " SWELF Immediate" + " Severity=" + Severity_Levels[(int)LogSeverity] + " Message=" + err_msg + "\n", eventID);
}
else
{
EventLog_SWELF.WRITE_Verbose_EventLog("DateTime=" + DateTime.Now.ToString(Settings.SWELF_Date_Time_Format) + " SWELF Immediate" + " Severity=" + Severity_Levels[(int)LogSeverity] + " Message=" + err_msg + "\n", eventID);
}
}
internal void READ_EventLog(string Eventlog_FullName, long PlaceKeeper_EventRecordID = 1)
{
long EVTlog_PlaceHolder = PlaceKeeper_EventRecordID;
try
{
if (EVTlog_PlaceHolder <= 1)
{
EVTlog_PlaceHolder = Settings.EventLog_w_PlaceKeeper[Eventlog_FullName];
}
}
catch (Exception e)
{
EVTlog_PlaceHolder = 1;
}
if (Settings.CHECK_If_EventLog_Exsits(Eventlog_FullName))
{
EventLog_Log_API = new EventLog_File(Eventlog_FullName, PlaceKeeper_EventRecordID);
long First_EventID = EventLog_Log_API.First_EventLogID_From_Check;
long Last_EventID = EventLog_Log_API.Last_EventLogID_From_Check;
if (PlaceKeeper_EventRecordID > First_EventID && PlaceKeeper_EventRecordID < Last_EventID)//Normal operation placekkeeper in middle of log file
{
EVTlog_PlaceHolder = PlaceKeeper_EventRecordID;
READ_WindowsEventLog_API(Eventlog_FullName, EVTlog_PlaceHolder, EventLog_Log_API);
Settings.EventLog_w_PlaceKeeper[Eventlog_FullName] = Last_EventID;
}
else if (Last_EventID == PlaceKeeper_EventRecordID)//no logs added
{
EVTlog_PlaceHolder = PlaceKeeper_EventRecordID;
}
else if (PlaceKeeper_EventRecordID <= 1)
{
EVTlog_PlaceHolder = First_EventID;
READ_WindowsEventLog_API(Eventlog_FullName, EVTlog_PlaceHolder, EventLog_Log_API);
EventLog_SWELF.WRITE_Warning_EventLog("Logging as EventLog Source 1st run for Eventlog named '" + Eventlog_FullName + "' on machine named '" + Settings.ComputerName + "' due to PlaceKeeper_EventRecordID<=1");
Settings.EventLog_w_PlaceKeeper[Eventlog_FullName] = Last_EventID;
}
else if (First_EventID > PlaceKeeper_EventRecordID)//missed all logs and missing log files send alert for missing log files
{
EVTlog_PlaceHolder = First_EventID;
READ_WindowsEventLog_API(Eventlog_FullName, EVTlog_PlaceHolder, EventLog_Log_API);
EventLog_SWELF.WRITE_FailureAudit_Error_To_EventLog("Missed " + (First_EventID - PlaceKeeper_EventRecordID) + " logs from '" + Eventlog_FullName + "' on machine '" + Settings.ComputerName + "' the first eventlog id was older than where app left off. Possible log file cycle/overwrite between runs. First event log id number in the log is " + First_EventID + " SWELF left off from last run at " + PlaceKeeper_EventRecordID);
Settings.EventLog_w_PlaceKeeper[Eventlog_FullName.ToLower()] = Last_EventID;
}
else//unknown/catch condition assume 1st run
{
EVTlog_PlaceHolder = First_EventID;
READ_WindowsEventLog_API(Eventlog_FullName, EVTlog_PlaceHolder, EventLog_Log_API);
EventLog_SWELF.WRITE_Warning_EventLog("ERROR: App unable to determine app reading state in event log. App starting over. App not told to reset. '" + Eventlog_FullName + "' '" + Settings.ComputerName + "'. unknown/catch condition assume 1st run");
Settings.EventLog_w_PlaceKeeper[Eventlog_FullName] = Last_EventID;
}
}
else
{
Error_Operation.Log_Error("READ_EventLog() if (Settings.FIND_EventLog_Exsits())", Eventlog_FullName + " EventLog does not exist.", "", Error_Operation.LogSeverity.Informataion);
}
}
internal static void WRITE_Errors_To_Log(string MethodInCode, string msg, LogSeverity LogSeverity, EventID eventID = 0)
{
ErrorLogging_Level();
if (Logging_Level_To_Report >= (int)LogSeverity)
{
string err_msg = "DateTime=" + DateTime.Now.ToString(Settings.SWELF_Date_Time_Format) + " SourceComputer=" + Settings.ComputerName + " Severity=" + Severity_Levels[(int)LogSeverity] + " MethodInCode=" + MethodInCode + " Message=" + msg + "\n";
if (File_Operation.CHECK_if_File_Exists(Settings.GET_ErrorLog_Location))
{
File.AppendAllText(Settings.GET_ErrorLog_Location, err_msg);
}
else
{
File.Create(Settings.GET_ErrorLog_Location).Close();
File.AppendAllText(Settings.GET_ErrorLog_Location, err_msg);
}
if (LogSeverity == LogSeverity.Informataion)
{
EventLog_SWELF.WRITE_Info_EventLog("DateTime=" + DateTime.Now.ToString(Settings.SWELF_Date_Time_Format) + " SWELF Immediate" + " Severity=" + Severity_Levels[(int)LogSeverity] + " Message=" + err_msg + "\n", eventID);
}
else if (LogSeverity == LogSeverity.Verbose)
{
EventLog_SWELF.WRITE_Verbose_EventLog("DateTime=" + DateTime.Now.ToString(Settings.SWELF_Date_Time_Format) + " SWELF Immediate" + " Severity=" + Severity_Levels[(int)LogSeverity] + " Message=" + err_msg + "\n", eventID);
}
else if (LogSeverity == LogSeverity.Warning)
{
EventLog_SWELF.WRITE_Warning_EventLog("DateTime=" + DateTime.Now.ToString(Settings.SWELF_Date_Time_Format) + " SWELF Immediate" + " Severity=" + Severity_Levels[(int)LogSeverity] + " Message=" + err_msg + "\n", eventID);
}
else if (LogSeverity == LogSeverity.FailureAudit)
{
EventLog_SWELF.WRITE_FailureAudit_Error_To_EventLog("DateTime=" + DateTime.Now.ToString(Settings.SWELF_Date_Time_Format) + " SWELF Immediate" + " Severity=" + Severity_Levels[(int)LogSeverity] + " Message=" + err_msg + "\n", eventID);
}
else if (LogSeverity == LogSeverity.Critical)
{
EventLog_SWELF.WRITE_ERROR_EventLog("DateTime=" + DateTime.Now.ToString(Settings.SWELF_Date_Time_Format) + " SWELF Immediate" + " Severity=" + Severity_Levels[(int)LogSeverity] + " Message=" + err_msg + "\n", eventID);
}
else
{
EventLog_SWELF.WRITE_Verbose_EventLog("DateTime=" + DateTime.Now.ToString(Settings.SWELF_Date_Time_Format) + " SWELF Immediate" + " Severity=" + Severity_Levels[(int)LogSeverity] + " Message=" + err_msg + "\n", eventID);
}
File_Operation.CHECK_File_Size(Settings.GET_ErrorLog_Location);
}
}
private static void WRITE_Errors_To_Log(string msg, LogSeverity LogSeverity, EventID eventID = 0)
{
if (File_Operation.CHECK_if_File_Exists(Settings.GET_ErrorLog_Location))
{
File.AppendAllText(Settings.GET_ErrorLog_Location, msg);
}
else
{
File.Create(Settings.GET_ErrorLog_Location).Close();
File.AppendAllText(Settings.GET_ErrorLog_Location, msg);
}
File_Operation.CHECK_File_Size(Settings.GET_ErrorLog_Location);
if (LogSeverity == LogSeverity.Informataion)
{
EventLog_SWELF.WRITE_Info_EventLog(msg, eventID);
}
else if (LogSeverity == LogSeverity.Verbose)
{
EventLog_SWELF.WRITE_Verbose_EventLog(msg, eventID);
}
else if (LogSeverity == LogSeverity.Warning)
{
EventLog_SWELF.WRITE_Warning_EventLog(msg, eventID);
}
else if (LogSeverity == LogSeverity.FailureAudit)
{
EventLog_SWELF.WRITE_FailureAudit_Error_To_EventLog(msg, eventID);
}
else if (LogSeverity == LogSeverity.Critical)
{
EventLog_SWELF.WRITE_ERROR_EventLog(msg, eventID);
}
else
{
EventLog_SWELF.WRITE_Verbose_EventLog(msg, eventID);
}
}