/// <summary>
/// Создать сессию и добавить в список сессий
/// </summary>
public Session CreateSession()
{
lock (sessions)
{
long sessionID = 0;
bool sessionOK = false;
if (sessions.Count < MaxSessionCnt)
{
sessionID = ScadaUtils.GetRandomLong();
int attemptNum = 0;
bool duplicated;
while (duplicated = sessionID == 0 || sessions.ContainsKey(sessionID) &&
++attemptNum <= MaxGetSessionIDAttempts)
{
sessionID = ScadaUtils.GetRandomLong();
}
sessionOK = !duplicated;
}
if (sessionOK)
{
Session session = new Session(sessionID);
sessions.Add(sessionID, session);
log.WriteAction(string.Format(Localization.UseRussian ?
"Создана сессия с ид. {0}" :
"Session with ID {0} created", sessionID));
return(session);
}
else
{
log.WriteError(Localization.UseRussian ?
"Не удалось создать сессию" :
"Unable to create session");
return(null);
}
}
}
/// <summary>
/// Creates a new session.
/// </summary>
protected bool CreateSession(out ConnectedClient client)
{
long sessionID = 0;
bool sessionOK = false;
client = null;
if (clients.Count < MaxSessionCount)
{
client = new ConnectedClient();
sessionID = ScadaUtils.GetRandomLong();
int attemptNum = 0;
bool duplicated;
while (duplicated = sessionID == 0 ||
++attemptNum <= MaxGetSessionIDAttempts && !clients.TryAdd(sessionID, client))
{
sessionID = ScadaUtils.GetRandomLong();
}
sessionOK = !duplicated;
}
if (sessionOK)
{
log.WriteAction(Locale.IsRussian ?
"Создана сессия с ид. {0}" :
"Session with ID {0} created", sessionID);
client.SessionID = sessionID;
return(true);
}
else
{
log.WriteError(Locale.IsRussian ?
"Не удалось создать сессию" :
"Unable to create session");
client = null;
return(false);
}
}
