/// <summary>
/// Close an existing session.
/// </summary>
/// <param name="sessionID">The session ID which uniquly identify a given session.</param>
public static void EndSession(Guid sessionID)
{
if (!CurrentSessionList.ContainsKey(sessionID))
{
return;
}
lock (_syncHelper)
{
CurrentCallbackList.Remove(sessionID);
CurrentSessionList.Remove(sessionID);
}
}
/// <summary>
/// Start a new session.
/// </summary>
/// <param name="clientInfo">The client information regarding the current session.</param>
/// <returns>The session ID in the form of Guid.</returns>
public static Guid StartSession(SessionClientInfo clientInfo)
{
Guid sessionID = Guid.NewGuid();
ISessionCallback callback = OperationContext.Current.GetCallbackChannel <ISessionCallback>();
SessionInfo sesionInfo = new SessionInfo()
{
SessionID = sessionID, StartTime = DateTime.Now, LastActivityTime = DateTime.Now, ClientInfo = clientInfo
};
lock (_syncHelper)
{
CurrentSessionList.Add(sessionID, sesionInfo);
CurrentCallbackList.Add(sessionID, callback);
}
return(sessionID);
}
/// <summary>
/// Kill one or more sessions.
/// </summary>
/// <param name="sessionIDs">The session ID list.</param>
public static void KillSessions(IList <Guid> sessionIDs)
{
lock (_syncHelper)
{
foreach (Guid sessionID in sessionIDs)
{
if (!CurrentSessionList.ContainsKey(sessionID))
{
continue;
}
SessionInfo sessionInfo = CurrentSessionList[sessionID];
CurrentSessionList.Remove(sessionID);
CurrentCallbackList[sessionID].OnSessionKilled(sessionInfo);
CurrentCallbackList.Remove(sessionID);
}
}
}
private static void ClearSessions()
{
IList <Guid> sessionIDList = new List <Guid>();
foreach (SessionInfo sessionInfo in CurrentSessionList.Values)
{
if (sessionInfo.IsTimeout)
{
sessionIDList.Add(sessionInfo.SessionID);
}
}
lock (_syncHelper)
{
Array.ForEach <Guid>(sessionIDList.ToArray <Guid>(), delegate(Guid sessionID)
{
CurrentSessionList.Remove(sessionID);
CurrentCallbackList.Remove(sessionID);
});
}
}
