private void Kick_Inactive_Users(int pTimeOut)
{
List <int> user_list = new List <int>();
List <string> ip_list = new List <string>();
List <string> session_id_list = new List <string>();
int dummy = -1;
try
{
//kick inactive sessions first
foreach (int u in ActiveUsersDict.Keys)
{
foreach (string ip in ActiveUsersList(u).Keys)
{
foreach (string s in ActiveUsersList(u)[ip])
{
if (SessionActivityInfo.ContainsKey(s) && TimedOut(SessionActivityInfo[s], pTimeOut, ref dummy))
{
user_list.Add(u);
ip_list.Add(ip);
session_id_list.Add(s);
}
}
}
}
for (int i = 0; i <= user_list.Count - 1; i++)
{
Remove_Active_User(user_list[i], session_id_list[i], ip_list[i]);
}
}
catch (Exception)
{
}
}
//used when session end called gFrom_br global.asa and refreshes the list if the user did not went through logout page (i.e. timed out etc)
public void Remove_Active_User_From_Session_End(string pSessionId, string pIPAddress)
{
Application.Lock();
int user_id_to_remove = int.MinValue;
try
{
foreach (int user_id in ActiveUsersDict.Keys)
{
Dictionary <string, List <string> > user_id_dict = ActiveUsersList(user_id);
if (user_id_dict.ContainsKey(pIPAddress))
{
if (user_id_dict[pIPAddress].Contains(pSessionId))
{
user_id_dict[pIPAddress].Remove(pSessionId);
if (user_id_dict[pIPAddress].Count == 0)
{
//if we removed last session id for this ip, remove the ip as well
user_id_dict.Remove(pIPAddress);
}
if (user_id_dict.Keys.Count == 0)
{
//if we removed last ip for this user, remove the user
user_id_to_remove = user_id;
}
break; // TODO: might not be correct. Was : Exit For
}
}
}
if (user_id_to_remove > 0)
{
ActiveUsersDict.Remove(user_id_to_remove);
}
if (SessionActivityInfo.ContainsKey(pSessionId))
{
SessionActivityInfo.Remove(pSessionId);
}
}
catch (Exception)
{
}
finally
{
Application.UnLock();
}
}
//used when a user logs out
public void Remove_Active_User(int pUserId, string pSessionId, string pIPAddress)
{
Application.Lock();
try
{
if ((ActiveUsersList(pUserId) == null) == false)
{
if (ActiveUsersList(pUserId).ContainsKey(pIPAddress))
{
if (ActiveUsersList(pUserId)[pIPAddress].Contains(pSessionId))
{
ActiveUsersList(pUserId)[pIPAddress].Remove(pSessionId);
}
if (ActiveUsersList(pUserId)[pIPAddress].Count == 0)
{
//if we removed last session id for this ip, remove the ip as well
ActiveUsersList(pUserId).Remove(pIPAddress);
}
if (ActiveUsersList(pUserId).Keys.Count == 0)
{
//if we removed last ip for this user, remove the user
ActiveUsersDict.Remove(pUserId);
}
}
}
if (SessionActivityInfo.ContainsKey(pSessionId))
{
SessionActivityInfo.Remove(pSessionId);
}
}
catch (Exception)
{
}
finally
{
Application.UnLock();
}
}
public bool Check_If_User_Active(int pUserId, string pSessionId, string pIPAddress, bool No_Activity_Update = false)
{
if ((ActiveUsersList(pUserId) == null) == false)
{
if (ActiveUsersList(pUserId).ContainsKey(pIPAddress))
{
if (ActiveUsersList(pUserId)[pIPAddress].Contains(pSessionId))
{
if (SessionActivityInfo.ContainsKey(pSessionId))
{
if (No_Activity_Update == false)
{
SessionActivityInfo[pSessionId] = DateTime.Now;
}
}
return(true);
}
}
}
return(false);
}
public void Add_Active_User(int pUserId, string pSessionId, string pIPAddress, bool pAllowMultipleSessionsFromSameIP)
{
List <string> ips_to_kick = new List <string>();
bool is_new = false;
Application.Lock();
if (ActiveUsersDict.ContainsKey(pUserId) == false)
{
is_new = true;
ActiveUsersDict.Add(pUserId, new clsUserSessionData());
}
Dictionary <string, List <string> > dictUserStatus = ActiveUsersList(pUserId);
if (is_new == false)
{
//request gFrom_br dif. IP addresses
foreach (string ip in dictUserStatus.Keys)
{
//kicks out all existing entries for this user gFrom_br other IP addresses
if (ip != pIPAddress)
{
ips_to_kick.Add(ip);
}
}
foreach (string ip in ips_to_kick)
{
dictUserStatus.Remove(ip);
}
//same IP different sessions (optional)
if (pAllowMultipleSessionsFromSameIP == false)
{
ips_to_kick = new List <string>();
foreach (string ip in dictUserStatus.Keys)
{
List <string> sess_ids_to_kick = new List <string>();
foreach (string sess_id in dictUserStatus[ip])
{
if (pSessionId != sess_id)
{
sess_ids_to_kick.Add(sess_id);
}
}
if (sess_ids_to_kick.Count > 0)
{
foreach (string sess_id_to_kick in sess_ids_to_kick)
{
dictUserStatus[ip].Remove(sess_id_to_kick);
}
if (dictUserStatus[ip].Count == 0)
{
ips_to_kick.Add(ip);
}
}
}
foreach (string ip in ips_to_kick)
{
dictUserStatus.Remove(ip);
}
}
}
//if this IP address does not exist, add it
if (dictUserStatus.ContainsKey(pIPAddress) == false)
{
dictUserStatus.Add(pIPAddress, new List <string>());
}
dictUserStatus[pIPAddress].Add(pSessionId);
if (SessionActivityInfo.ContainsKey(pSessionId) == false)
{
SessionActivityInfo.Add(pSessionId, DateTime.Now);
}
else
{
SessionActivityInfo[pSessionId] = DateTime.Now;
}
Application.UnLock();
}
