/// <summary>
/// 用户登记上线;
/// </summary>
/// <returns></returns>
public bool MarkLoginUserOnline()
{
var mutex = GetMutex();
try
{
mutex.WaitOne(15000);// 超时等待时间;
int iOnlineUserCount = GetOnlineUserCount();
if (iOnlineUserCount < MAXUSERS)
{
var info = new OnlineUserInfo
{
SessionId = RCurrentSessionInfo.SessionId,
LogId = RCurrentSessionInfo.LoginId,
LogName = RCurrentSessionInfo.LoginName,
Product = "",
LoginTime = DateTime.Now,
LastRefTime = DateTime.Now,
IsKilled = false,
};
// 同一用户在多客户端登录时，将其他客户端登录的用户标记为强制下线;
IEnumerable <string> sessionIdArray = this.GetUserSeesionId(info.LogId);
foreach (var s in sessionIdArray)
{
var killedInfo = GetOnlineUserInfo(s) as OnlineUserInfo;
if (killedInfo != null)
{
// 将该用户信息标记为Killed强制下线;
this.KilledOnlineUser(killedInfo.UniqueClientId);
}
}
SaveOnlineUserInfoToCache(info.UniqueClientId, info);
return(true);
}
else
{
throw new Exception("最大用户人数上线");
}
}
catch (Exception e)
{
EventLog.WriteEntry("OnlineUser.MarkUserOnline", e.Message);
throw;
}
finally
{
mutex.Close();
}
}
/// <summary>
/// 移除当前登录用户信息;
/// </summary>
/// <returns></returns>
public bool RemoveLoginUser()
{
lock (ObjLock)
{
OnlineUserInfo info = CurrentOnlineUserInfo();
if (info != null)
{
RemoveOnlineUserInfo(info.UniqueClientId);
return(true);
}
return(false);
}
}
public void RefreshAll()
{
Hashtable dt = this.GetAllOnlineUserInfo();
lock (ObjLock)
{
IDictionaryEnumerator myEnumerator = dt.GetEnumerator();
while (myEnumerator.MoveNext())
{
_lInfo = (OnlineUserInfo)myEnumerator.Value;
if (DateTime.Now > _lInfo.LastRefTime.AddMinutes(5) || _lInfo.IsKilled)// 将超时或强制剔除的用户移除;
{
RemoveOnlineUserInfo(_lInfo.UniqueClientId);
}
}
}
}
