public static void LogSessionData(Guid currentServiceRunGuid, int sessionId, SessionTrackingEvents sessionTrackingEvent, string reason, bool logAllExistingSessions = false)
{
using (ITerminalServer server = new TerminalServicesManager().GetLocalServer())
{
SessionTracking sessionTracking = null;
if (!File.Exists(GlobalSettings.DataFilePath))
{
sessionTracking = new SessionTracking();
sessionTracking.SessionTrackingParamsList = new List <SessionTrackingParams>();
File.Create(GlobalSettings.DataFilePath).Close();
Utility.SerializeObjectToFile <SessionTracking>(sessionTracking, GlobalSettings.DataFilePath);
}
server.Open();
foreach (ITerminalServicesSession session in server.GetSessions().Where(o => o.LoginTime.HasValue))
{
if (logAllExistingSessions || session.SessionId == sessionId)
{
SessionTrackingParams sessionTrackingParams = new SessionTrackingParams()
{
ServiceRunGuid = currentServiceRunGuid,
SessionId = session.SessionId,
LogonDT = session.LoginTime.HasValue ? session.LoginTime.Value : DateTime.MinValue,
EventDT = DateTime.Now,
UserAccount = (session.UserAccount != null && session.UserAccount.Value != null ? session.UserAccount.Value : String.Empty),
Event = Enum.GetName(typeof(SessionTrackingEvents), sessionTrackingEvent),
Reason = reason
};
string sessionTrackingParamsSerialized = Utility.SerializeObject <SessionTrackingParams>(sessionTrackingParams);
// Faster and not-so-clean way to write XML node to the end of the serialized List<SessionTrackingParams>,
// cleaner way would be to deserialize, add node and serialize whole list which might contain hundreds of records, but it would
// possibly be much slower in case of large file.
string text = File.ReadAllText(GlobalSettings.DataFilePath);
if (text.Contains("</SessionTrackingParamsList>"))
{
text = text.Replace(
"</SessionTrackingParamsList>",
sessionTrackingParamsSerialized + Environment.NewLine + "</SessionTrackingParamsList>");
}
else
{
text = text.Replace(
"<SessionTrackingParamsList />",
"<SessionTrackingParamsList>" + Environment.NewLine + sessionTrackingParamsSerialized + Environment.NewLine + "</SessionTrackingParamsList>");
}
File.WriteAllText(GlobalSettings.DataFilePath, text);
if (!logAllExistingSessions)
{
break;
}
}
}
server.Close();
}
}